CN118237927A - A combined tooling for processing special-shaped bearing seat and its use method - Google Patents
A combined tooling for processing special-shaped bearing seat and its use method Download PDFInfo
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- CN118237927A CN118237927A CN202410206065.5A CN202410206065A CN118237927A CN 118237927 A CN118237927 A CN 118237927A CN 202410206065 A CN202410206065 A CN 202410206065A CN 118237927 A CN118237927 A CN 118237927A
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- bearing seat
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- seat blank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/102—Jaws, accessories or adjustment means
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- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
本发明公开了一种加工异型轴承座的组合工装，包括一序工装夹具和二序工装夹具，一序工装夹具和二序工装夹具均可被固定在机床卡盘的卡爪上；一序工装夹具包括第一压板、第二压板和锁紧件，锁紧件穿过轴承座毛坯前侧面的圆孔将卡爪和轴承座毛坯锁紧在第一压板和第二压板之间；二序工装夹具包括固定板、定位件和固定件，固定板一侧被夹持在机床卡盘的卡爪上，定位件和固定件均设置于固定板的另一侧，定位件将轴承座毛坯与固定板指定位置对准，固定件将轴承座毛坯固定在固定板上。本发明结构简单，容易装夹，能够节约生产成本，提高生产效率、加工效率及产品的合格率。
The present invention discloses a combined tooling for processing a special-shaped bearing seat, including a first-order tooling fixture and a second-order tooling fixture, both of which can be fixed on the claws of a machine tool chuck; the first-order tooling fixture includes a first pressing plate, a second pressing plate and a locking piece, the locking piece passes through a circular hole on the front side of a bearing seat blank to lock the claws and the bearing seat blank between the first pressing plate and the second pressing plate; the second-order tooling fixture includes a fixed plate, a positioning piece and a fixing piece, one side of the fixed plate is clamped on the claws of the machine tool chuck, the positioning piece and the fixing piece are both arranged on the other side of the fixed plate, the positioning piece aligns the bearing seat blank with a specified position of the fixed plate, and the fixing piece fixes the bearing seat blank on the fixed plate. The present invention has a simple structure, is easy to clamp, can save production costs, and improves production efficiency, processing efficiency and product qualification rate.
Description
Technical Field
The invention relates to the technical field of numerical control machining, in particular to a combined tool for machining a special-shaped bearing seat and a use method thereof.
Background
The high-low voltage switch cabinet of the electrical equipment is required to be provided with an isolating knife transmission shaft, a bearing seat is a supporting piece used on the isolating knife transmission shaft on the switch equipment, the supporting piece is divided into a left part and a right part and is of a symmetrical structure, as shown in fig. 1-4, the surface to be processed of a bearing seat blank 1 is a front 11 side surface, a rear 12 side surface, an upper 13 side surface and a lower 14 side surface, in particular, round holes (shaft holes) of the front 11 side surface and the front side surface, a boss on the outer edge of the round hole, four threaded holes of the rear 12 side surface and the rear side surface, six threaded holes of the upper 13 side surface and the upper side surface, and four threaded holes of the lower 14 side surface and the lower 14 side surface are required to be processed. Because the bearing seat is large in consumption, the early production mode is that small parts and sheet metal parts are used for splicing welding in building blocks, in order to ensure the machining precision and improve the aesthetic degree of parts, a bearing seat blank is precisely cast by a die silica sol, the core size is reserved for machining allowance, the follow-up finish machining is ensured to meet the requirements of dimensional tolerance and form and position tolerance, and the non-core position is implemented according to casting standard GB/T6414-2017. Because the structure of the bearing seat is complex, the welded parts are heated and deformed, the position degree of the installation position and the hole position cannot ensure the requirements, the blocking condition occurs in the rotation process of the transmission shaft, the energy consumption of the isolating knife in the transmission process is large, and the situation of closing is not in place occurs, so the key size and the position are processed in order to ensure the use requirements by adopting a processing mode of casting the bearing seat and then carrying out secondary finish machining. Because the bearing seat blank is of a special-shaped structure and cannot be directly fixed on a claw of a machine tool without a chuck, a corresponding fixture clamp is needed to meet the clamping of the special-shaped bearing seat blank so as to facilitate the machining of the machine tool.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention innovatively provides a combined tool for processing the special-shaped bearing seat and a use method thereof, which can save production cost, improve production efficiency and greatly improve processing efficiency and qualification rate of products.
In order to achieve the technical purpose, the embodiment of the invention discloses a combined tool for machining a special-shaped bearing seat, which comprises a first-order tool clamp and a second-order tool clamp, wherein the first-order tool clamp and the second-order tool clamp can be fixed on a claw of a machine tool chuck; the first-order tooling clamp comprises a first pressing plate, a second pressing plate and a locking piece, wherein the locking piece penetrates through a round hole in the front side surface of the bearing seat blank to lock the clamping jaw and the bearing seat blank between the first pressing plate and the second pressing plate; the second-order fixture comprises a fixing plate, a positioning piece and a fixing piece, one side of the fixing plate is clamped on a claw of a machine tool chuck, the positioning piece and the fixing piece are arranged on the other side of the fixing plate, the positioning piece aligns a bearing seat blank with a designated position of the fixing plate, and the fixing piece fixes the bearing seat blank on the fixing plate.
Furthermore, according to the combined tool for machining the special-shaped bearing seat, the first pressing plate is rotatably arranged on the front half part of the locking piece, the second pressing plate is sleeved on the rear half part of the locking piece, the locking piece penetrates through a round hole in the front side face of the bearing seat blank from back to front, the first pressing plate abuts against the front side face of the clamping jaw, and the locking piece presses the bearing seat blank between the clamping jaw and the second pressing plate.
Furthermore, the combined tool for machining the special-shaped bearing seat is characterized in that the locking piece is a bolt, a nut is arranged at the rear half part of the bolt, a baffle ring is arranged at the rear end of the nut, and the baffle ring abuts against the second pressing plate.
Furthermore, the first pressing plate comprises a circular plate and blades, the center of the circular plate is provided with a threaded hole, the circular plate is in threaded connection with a bolt through the threaded hole, the number of the three blades is three, the three blades are arranged at equal intervals along the radial direction of the peripheral wall of the circular plate, and the three blades are propped against corresponding clamping jaws.
Furthermore, the invention relates to a combined tool for processing the special-shaped bearing seat, wherein three clamping jaws of a machine tool chuck are arranged on the machine tool chuck at equal intervals along the radial direction by taking the axis of the machine tool chuck as the center, the clamping jaws are in a step shape, a notch is formed in the lower side of the front half part of each clamping jaw, and the blade abuts against the notch.
Furthermore, the combined tool for processing the special-shaped bearing seat is characterized in that the clamping jaw is provided with two step surfaces, the lower end of the second step surface from front to back of the clamping jaw is provided with a positioning boss extending backwards, and the positioning boss is propped against the inner side wall of a round hole of a bearing seat blank.
Furthermore, the combined tool for processing the special-shaped bearing seat is characterized in that a cylindrical boss extending forwards is arranged in the center of the front side surface of the fixing plate, the cylindrical boss is clamped by the clamping jaw, the positioning piece and the fixing piece are arranged on the rear side surface of the fixing plate, the positioning piece and the fixing piece are multiple, and the fixing piece is connected with the fixing plate in a threaded fit mode.
The invention also provides a use method of the combined tool for processing the special-shaped bearing seat, which comprises the following steps:
S1: adjusting the position of a clamping jaw on a chuck of a machine tool, and sleeving a bearing seat blank on a positioning boss of the clamping jaw through a round hole;
s2: the second pressing plate is sleeved on the rear half part of the locking piece, and the first pressing plate is pre-screwed on the front half part of the locking piece;
s3: enabling the first pressing plate to pass through the round hole of the bearing seat blank, and enabling the blade on the first pressing plate to be positioned in the gap of the adjacent clamping jaw;
S4: rotating the first pressing plate to enable the positions of the blades on the first pressing plate to coincide with the positions of the clamping jaws, so that the blades are positioned in the gaps of the clamping jaws and the positions of the blades are kept unchanged;
s5: tightening the locking piece to lock the claw and the bearing seat blank between the first pressing plate and the second pressing plate;
S6: the power head of the driving machine tool rotates the bearing seat blank to a designated position, and holes are machined on the upper side surface or the lower side surface of the bearing seat blank;
s7: after the upper side surface and the lower side surface of the bearing seat blank are machined, the bearing seat blank is disassembled;
s8: placing the detached bearing seat blank at a designated position of a fixed plate through a positioning piece;
s9: fixing the bearing seat blank on the fixing plate through the fixing piece;
S10: adjusting the position of the clamping jaw to clamp a cylindrical boss on the front side surface of the fixing piece;
s11: and the power head of the driving machine tool rotates the bearing seat blank to a designated position, and holes are machined on the front side surface or the rear side surface of the bearing seat blank to obtain the machined bearing seat.
Furthermore, the combined tool for machining the special-shaped bearing seat disclosed by the invention has the advantages that the lower side surface of a bearing seat blank is ensured to be vertical to a machine tool workbench by utilizing the square before the step S5;
In the step S6, the power head is rotated by 90 degrees to enable the upper side face of the bearing seat blank to be parallel to the machine tool workbench and align with the main shaft, and the upper side face of the bearing seat blank is subjected to hole entering processing; and then the power head is rotated 180 degrees to enable the lower side face of the bearing seat blank to be parallel to the machine tool workbench and align to the main shaft, and the lower side face of the bearing seat blank is subjected to hole entering processing.
Further, the combined tool for machining the special-shaped bearing seat disclosed by the invention is characterized in that the front side surface of a bearing seat blank is ensured to be vertical to a machine tool workbench by utilizing a square before the step S10;
in the step S11, the power head is rotated by 90 degrees to enable the front side surface of the bearing seat blank to be parallel to the machine tool workbench and align with the main shaft, and a hole is formed in the front side surface of the bearing seat blank; and then the power head is rotated 180 degrees to enable the rear side surface of the bearing seat blank to be parallel to the machine tool workbench and aligned with the main shaft, and the rear side surface of the bearing seat blank is subjected to hole entering processing.
The beneficial effects of the invention are as follows:
1. The tool clamp has the advantages of simple structure, convenience in operation and the like, can improve machining precision and production efficiency, and ensures the safety of a bearing seat blank in the machining process.
2. The fixture can ensure the stability and the precision of the bearing seat blank in the processing process; the fixture can keep good performance and stability in the long-time use process, and is not easy to fail and damage; the manufacturing and maintenance cost of the tool clamp is lower, and the tool clamp has higher cost performance.
3. The structure is simple, the operation is convenient, the clamp can be mounted and dismounted skillfully by a worker in a short time, the processing efficiency is improved, and the processing technology is more convenient than the former technology; any plane can be processed through the rotation of the power head, and the conversion procedure caused by different planes is reduced; not only improves the production efficiency, but also reduces the operation difficulty and lightens the labor intensity of workers.
4. The first-order fixture and the second-order fixture are used for processing two end planes for the same standard, so that the yield is greatly improved, and the human factors and the rejection rate caused by standard replacement are reduced.
Drawings
Fig. 1 and 2 are schematic perspective views of a special-shaped bearing seat under different view angles;
Fig. 3 and fig. 4 are schematic perspective views of another special-shaped bearing seat under different view angles;
FIG. 5 is a schematic perspective view of a sequential tooling fixture according to the present invention;
FIG. 6 is a schematic diagram of a left-hand structure of a first order tooling fixture of the present invention;
FIG. 7 is a schematic cross-sectional view taken along line A-A of FIG. 6;
FIG. 8 is a schematic diagram of an exploded assembly of a sequential tooling fixture of the present invention;
FIG. 9 is a schematic perspective view of the bearing seat blank removed from FIG. 5;
FIG. 10 is a schematic view of the blade and pawl engagement during initial installation;
FIG. 11 is a schematic view of the blade mated with the pawl after installation;
FIG. 12 is a schematic perspective view of a two-step tooling fixture;
fig. 13 is a schematic perspective view of the bearing seat blank removed based on fig. 12.
Detailed Description
The invention relates to a combined tool for machining a special-shaped bearing seat, which is explained and illustrated in detail below with reference to the attached drawings.
As shown in fig. 5 and fig. 12, the embodiment of the invention discloses a combined fixture for machining a special-shaped bearing seat, which comprises a first-order fixture 2 and a second-order fixture 3, wherein the first-order fixture 2 and the second-order fixture 3 can be fixed on a claw 4 of a machine tool chuck. The first-order fixture clamp 2 comprises a first pressing plate 21, a second pressing plate 22 and a locking piece 23, wherein the locking piece 23 penetrates through a round hole 15 on the front side surface of the bearing seat blank 1 to lock the clamping jaw 4 and the bearing seat blank 1 between the first pressing plate 21 and the second pressing plate 22. The second-order fixture 3 comprises a fixing plate 31, a positioning piece 32 and a fixing piece 33, one side of the fixing plate 31 is clamped on a claw 4 of a machine tool chuck, the positioning piece 32 and the fixing piece 33 are arranged on the other side of the fixing plate 31, the positioning piece 32 aligns the bearing seat blank 1 with a designated position of the fixing plate 31, and the fixing piece 33 fixes the bearing seat blank 1 on the fixing plate 31.
In the present embodiment, the first-order work jig 2 and the second-order work jig 3 can help engineers and technicians to accurately position and fix the bearing housing blank 1 to ensure machining accuracy and safety. The first-order fixture clamp 2 mainly comprises a first pressing plate 21, a second pressing plate 22 and a locking piece 23, and the smart design of the parts enables the parts to be tightly matched, so that the stability and the safety of the bearing seat blank 1 in the machining process are ensured. In the sequential work fixture 2, the locking piece 23 tightly locks the claw 4 and the bearing seat blank 1 between the first pressing plate 21 and the second pressing plate 22 by penetrating the round hole 15 on the front side surface of the bearing seat blank 1. The design ensures the stability of the bearing seat blank 1 in the processing process and allows the bearing seat blank 1 to be easily assembled and disassembled when needed. The second-order fixture 3 mainly comprises a fixing plate 31, a positioning piece 32 and a fixing piece 33, wherein one side of the fixing plate 31 is clamped on a claw 4 of a machine tool chuck, and the fixture is stable and firm. The positioning piece 32 and the fixing piece 33 are arranged on the other side of the fixing plate 31, and play a role in positioning and fixing the bearing seat blank 1. The positioning piece 32 is responsible for aligning the bearing seat blank 1 with the appointed position of the fixed plate 31, so as to ensure the machining precision; the fixing member 33 fixes the bearing housing blank 1 to the fixing plate 31, thereby ensuring stability during processing. The use of the first-order fixture clamp 2 and the second-order fixture clamp not only improves the machining precision, ensures the stability of the bearing seat blank 1, but also improves the production efficiency. The structure is simple, the number of used parts is small, and the production cost can be obviously reduced.
As shown in fig. 6 to 11, in an embodiment of the present invention, the first pressing plate 21 is rotatably installed at the front half of the locking member 23, and the first pressing plate 21 is used to press the jaw 4. The second pressing plate 22 is sleeved on the rear half part of the locking piece 23, and the area of the second pressing plate 22 is larger than that of the round hole 15 of the bearing seat blank 1 and is used for pressing the bearing seat blank 1 inside. The locking piece 23 passes through the round hole 15 on the front side surface of the bearing seat blank 1 from back to front. The first pressing plate 21 abuts against the front side surface of the clamping jaw 4, and the locking piece 23 presses the bearing seat blank 1 between the clamping jaw 4 and the second pressing plate 22. The retaining member 23 is the bolt, and the latter half of bolt is equipped with nut 231, and the rear end of nut 231 is equipped with keeps off ring 232, keeps off ring 232 and second clamp plate 22 and offsets, keeps off ring 232 can increase the area of contact with second clamp plate 22 for second clamp plate 22 can bear the bigger pressure of bolt, and bigger pressure can make the fixed more stable of bearing frame, is favorable to the improvement of machining precision.
More specifically, the first pressing plate 21 includes a circular plate and blades, the center of the circular plate is provided with a threaded hole, the circular plate is in threaded connection with bolts through the threaded hole, the blades are arranged in three, the three blades are arranged at equal intervals along the radial direction of the peripheral wall of the circular plate, the included angle between the axes of adjacent blades is 120 degrees, and the three blades are propped against corresponding claws 4 after the installation is completed. The number of the clamping jaws 4 of the corresponding machine tool chuck is three, the three clamping jaws 4 are arranged on the machine tool chuck at equal intervals along the radial direction by taking the axis of the machine tool chuck as the center, the clamping jaws 4 are in a step shape, a notch 41 is arranged at the lower side of the front half part of the clamping jaw 4, and the blades are abutted against the notch 41. The clamping jaw 4 is provided with two step surfaces, the lower end of the second step surface of the clamping jaw 4 from front to back is provided with a positioning boss 42 extending backwards, and the positioning boss 42 is abutted against the inner side wall of the round hole 15 of the bearing seat blank 1. In this way, during actual installation, the first-order tooling fixture 2 can be assembled in advance, and the assembled first-order tooling fixture 2 enables three blades to be positioned in the gaps of the three clamping claws 4 through the round through of the bearing seat blank 1, and the state of the three blades is shown in fig. 10. And then the first pressing plate 21 is rotated to enable the three blades to be just positioned in the corresponding gaps 41 of the three clamping jaws 4, the state is shown in fig. 11, finally, the bolts are screwed, at the moment, the three blades of the first pressing plate 21 are tightly contacted with the three clamping jaws 4, the outer side surface of the bearing seat blank 1 is tightly contacted with the step surface of the clamping jaws 4, the second pressing plate 22 is tightly contacted with the inner side surface of the bearing seat blank 1, and the bearing seat blank 1 is tightly pressed, so that the machine tool spindle is convenient to process. When dismantling, only need unscrew the bolt, rotate first clamp plate 21 and make the blade unscrew in the breach 41 of jack catch 4, can take out order frock clamp 2 wholly to for next use, corresponding transmission anchor clamps need all demolish each part when dismantling, the work efficiency of improvement.
As shown in fig. 12 and fig. 13 in combination, in an embodiment of the present invention, a cylindrical boss 34 extending forward is provided at the center of the front side of the fixing plate 31, the cylindrical boss 34 is clamped by the clamping jaw 4, the positioning member 32 and the fixing member 33 are both disposed on the rear side of the fixing plate 31, the positioning member 32 and the fixing member 33 are both plural, and the fixing member 33 is connected with the fixing plate 31 in a threaded fit manner.
In this embodiment, a cylindrical boss 34 extending forward is provided at the center of the front side of the fixing plate 31. The cylindrical boss 34 can be tightly held by the claw 4, ensuring stability and accuracy during operation. The positioning member 32 and the fixing member 33 are disposed on the rear side of the fixing plate 31, and the positioning member 32 and the fixing member 33 together constitute a high-efficiency and stable support system. The number of the positioning members 32 and the fixing members 33 is not single, but a plurality of arrangements are adopted. Such a design may increase reliability and flexibility so that the fixing plate 31 may accommodate two bearing carrier blanks 1 that are symmetrical. In the actual operation process, the positioning piece 32 and the fixing piece 33 can be accurately positioned, and stable operation of the fixing plate 31 under various working conditions is ensured. In the connection manner of the fixing member 33 and the fixing plate 31, the designer selects the screw-fit manner. The connecting mode is simple and easy to operate, and has high connecting strength and reliability. In this way, the fixing member 33 can be firmly connected to the fixing plate 31, effectively preventing the occurrence of loosening or falling off during use. The two-order fixture clamp 3 has higher flexibility and reliability while guaranteeing stability and accuracy.
The invention also provides a use method of the combined tool for processing the special-shaped bearing seat, which comprises the following steps:
S1: the position of a clamping jaw 4 on a machine tool chuck is adjusted, and a bearing seat blank 1 is sleeved on a positioning boss 42 of the clamping jaw 4 through a round hole 15;
S2: the second pressing plate 22 is sleeved on the rear half part of the locking piece 23, and the first pressing plate 21 is pre-screwed on the front half part of the locking piece 23;
s3: passing the first pressing plate 21 through the round hole 15 of the bearing seat blank 1, and positioning the blade on the first pressing plate 21 in the gap between the adjacent clamping jaws 4;
s4: rotating the first pressing plate 21 to enable the blades on the first pressing plate 21 to coincide with the positions of the clamping jaws 4, enabling the blades to be positioned in the notch 41 of the clamping jaws 4 and keeping the positions unchanged;
S5: tightening the locking member 23 to lock the claw 4 and the bearing seat blank 1 between the first pressing plate 21 and the second pressing plate 22;
S6: the power head of the driving machine tool rotates the bearing seat blank 1 to a designated position, and holes are machined on the upper side surface or the lower side surface of the bearing seat blank 1;
s7: after the upper side surface and the lower side surface of the bearing seat blank 1 are machined, the bearing seat blank 1 is disassembled;
s8: placing the detached bearing seat blank 1 at a designated position of the fixed plate 31 through a positioning piece 32;
S9: fixing the bearing seat blank 1 on the fixing plate 31 through the fixing piece 33;
S10: adjusting the position of the clamping jaw to clamp a cylindrical boss 34 on the front side of the fixing piece 33;
s11: and the power head of the driving machine tool rotates the bearing seat blank 1 to a designated position, and holes are machined on the front side surface or the rear side surface of the bearing seat blank 1 to obtain a machined bearing seat.
In this embodiment, the precise machining of the bearing seat blank 1 is of vital importance, and this embodiment proposes detailed steps for machining the bearing seat blank 1, which will ensure that the machined bearing seat is highly accurate and stable. First, the machine chuck needs to be adjusted, and by adjusting the position of the clamping jaw 4 on the chuck, the clamping jaw 4 can be ensured to be accurately positioned on the round hole 15 of the bearing seat blank 1. Next, the second pressing plate 22 is fitted over the rear half of the locking member 23, while the first pressing plate 21 is pre-screwed onto the front half of the locking member 23, ready for subsequent processing. On the basis of ensuring the stability of the bearing seat blank 1, the first pressing plate 21 is penetrated through the round hole 15 of the bearing seat blank 1, so that the blades on the first pressing plate 21 are positioned in the gaps of the adjacent clamping jaws 4. Then, the first pressing plate 21 is rotated to enable the blades on the first pressing plate to coincide with the positions of the clamping jaws 4, the blades are ensured to be positioned in the notches 41 of the clamping jaws 4, and the positions of the blades are kept unchanged, so that a stable foundation is established for subsequent processing. Next, the locking member 23 is screwed to lock the claw 4 and the bearing housing blank 1 between the first pressing plate 21 and the second pressing plate 22, stability and accuracy of the bearing housing blank 1 during processing are ensured, and on the basis of ensuring stability and accuracy, the power head of the machine tool is started to rotate the bearing housing blank 1 to a specified position. Then, hole processing is carried out on the upper side surface or the lower side surface of the bearing blank 1, so that the use effect of the bearing seat after the processing is finished is ensured. After the upper side and the lower side of the bearing seat blank 1 are machined, the bearing seat blank 1 is disassembled, subsequent machining is facilitated, and meanwhile, the machined bearing seat is higher in precision. The detached bearing housing blank 1 needs to be placed at a designated position of the fixing plate 31 by the positioning piece 32. This ensures that each bearing carrier blank 1 is positioned accurately during machining. Then, the bearing housing blank 1 is fixed to the fixing plate 31 by the fixing member 33, ensuring stability and accuracy during processing. On the basis of ensuring stability and accuracy, the jaw position is adjusted so that it grips the cylindrical boss 34 on the front side of the fixture 33. Finally, starting the power head of the machine tool, and rotating the bearing seat blank 1 to a designated position. Then, the hole processing is performed on the front side or the rear side of the bearing blank 1. Through the above steps, the processing of the bearing seat blank 1 is completed. In this process, by strictly controlling the accuracy of each step, it is possible to ensure that the final machined bearing housing meets the requirements of use. Meanwhile, the stability in the processing process is higher, and the long-term service life of the bearing seat can be ensured.
In one embodiment of the invention, a square is used to ensure that the underside of the bearing block blank 1 is perpendicular to the machine table prior to step S5.
In the step S6, the power head is rotated by 90 degrees to enable the upper side surface of the bearing seat blank 1 to be parallel to the machine tool workbench and align with the main shaft, and the upper side surface of the bearing seat blank 1 is subjected to hole entering processing; and then the power head is rotated 180 degrees to enable the lower side surface of the bearing seat blank 1 to be parallel to the machine tool workbench and align with the main shaft, and the lower side surface of the bearing seat blank 1 is subjected to hole entering processing.
Before step S10, the front side of the bearing seat blank 1 is ensured to be perpendicular to the machine tool workbench by using a square.
In step S11, the power head is rotated by 90 degrees to enable the front side surface of the bearing seat blank 1 to be parallel to the machine tool workbench and align with the main shaft, and a hole is formed in the front side surface of the bearing seat blank 1; and then the power head is rotated 180 degrees to enable the rear side surface of the bearing seat blank 1 to be parallel to the machine tool workbench and align with the main shaft, and the rear side surface of the bearing seat blank 1 is subjected to hole entering processing.
In the embodiment, the initial machining position of the bearing blank is pre-positioned, secondary correction in the machining process is omitted, the machining flow is simplified, and meanwhile, the yield can be improved. The processing process is unified, the method is suitable for mass production, and the processing efficiency is improved.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the invention, but any modifications, equivalents, and simple improvements made within the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A combination frock of processing abnormal shape bearing frame, its characterized in that: the clamping device comprises a first-order tooling clamp and a second-order tooling clamp, wherein the first-order tooling clamp and the second-order tooling clamp can be fixed on a claw of a machine tool chuck; the first-order tooling clamp comprises a first pressing plate, a second pressing plate and a locking piece, wherein the locking piece penetrates through a round hole in the front side surface of the bearing seat blank to lock the clamping jaw and the bearing seat blank between the first pressing plate and the second pressing plate; the second-order fixture comprises a fixing plate, a positioning piece and a fixing piece, one side of the fixing plate is clamped on a claw of a machine tool chuck, the positioning piece and the fixing piece are arranged on the other side of the fixing plate, the positioning piece aligns a bearing seat blank with a designated position of the fixing plate, and the fixing piece fixes the bearing seat blank on the fixing plate.
2. The combination tool for machining the special-shaped bearing seat according to claim 1, wherein: the first clamp plate is adorned soon in the first half of retaining member, the second clamp plate cover is established in the latter half of retaining member, the retaining member passes the round hole of bearing frame blank leading flank from back to front, first clamp plate with the leading flank of jack catch offsets, the retaining member compresses tightly the bearing frame blank between jack catch and second clamp plate.
3. The combination tool for machining the special-shaped bearing seat according to claim 2, wherein: the locking piece is a bolt, a nut is arranged at the rear half part of the bolt, a baffle ring is arranged at the rear end of the nut, and the baffle ring abuts against the second pressing plate.
4. A combination tool for machining a special-shaped bearing seat according to claim 3, wherein: the first clamp plate includes circular plate and blade, the center of circular plate is equipped with the screw hole, and the circular plate passes through screw hole and bolt threaded connection, the blade sets up to three, three the blade is followed the radial equidistant setting of peripheral wall of circular plate, three the blade offsets with corresponding jack catch.
5. The combination tool for machining the special-shaped bearing seat according to claim 4, wherein: the three clamping jaws of the machine tool chuck are arranged on the machine tool chuck at equal intervals along the radial direction by taking the axis of the machine tool chuck as the center, the clamping jaws are in a step shape, a notch is formed in the lower side of the front half part of each clamping jaw, and the blade abuts against the notch.
6. The combination tool for machining the special-shaped bearing seat according to claim 5, wherein: the clamping jaw is provided with two step surfaces, the lower end of the second step surface of the clamping jaw from front to back is provided with a positioning boss extending backwards, and the positioning boss is propped against the inner side wall of the round hole of the bearing seat blank.
7. The combination tool for machining the special-shaped bearing seat according to claim 6, wherein: the front side central authorities of fixed plate are equipped with the cylinder boss that extends forward, cylinder boss is by the jack catch centre gripping, setting element and mounting all set up the trailing flank at the fixed plate, setting element and mounting all set up to a plurality ofly, the mounting adopts screw-thread fit's mode to be connected with the fixed plate.
8. The application method of the combined tool for processing the special-shaped bearing seat is characterized by comprising the following steps of: the method comprises the following steps:
S1: adjusting the position of a clamping jaw on a chuck of a machine tool, and sleeving a bearing seat blank on a positioning boss of the clamping jaw through a round hole;
s2: the second pressing plate is sleeved on the rear half part of the locking piece, and the first pressing plate is pre-screwed on the front half part of the locking piece;
s3: enabling the first pressing plate to pass through the round hole of the bearing seat blank, and enabling the blade on the first pressing plate to be positioned in the gap of the adjacent clamping jaw;
S4: rotating the first pressing plate to enable the positions of the blades on the first pressing plate to coincide with the positions of the clamping jaws, so that the blades are positioned in the gaps of the clamping jaws and the positions of the blades are kept unchanged;
s5: tightening the locking piece to lock the claw and the bearing seat blank between the first pressing plate and the second pressing plate;
S6: the power head of the driving machine tool rotates the bearing seat blank to a designated position, and holes are machined on the upper side surface or the lower side surface of the bearing seat blank;
s7: after the upper side surface and the lower side surface of the bearing seat blank are machined, the bearing seat blank is disassembled;
s8: placing the detached bearing seat blank at a designated position of a fixed plate through a positioning piece;
s9: fixing the bearing seat blank on the fixing plate through the fixing piece;
S10: adjusting the position of the clamping jaw to clamp a cylindrical boss on the front side surface of the fixing piece;
s11: and the power head of the driving machine tool rotates the bearing seat blank to a designated position, and holes are machined on the front side surface or the rear side surface of the bearing seat blank to obtain the machined bearing seat.
9. The combination tool for machining the special-shaped bearing seat according to claim 8, wherein: before step S5, the lower side surface of the bearing seat blank is ensured to be vertical to a machine tool workbench by utilizing a square;
In the step S6, the power head is rotated by 90 degrees to enable the upper side face of the bearing seat blank to be parallel to the machine tool workbench and align with the main shaft, and the upper side face of the bearing seat blank is subjected to hole entering processing; and then the power head is rotated 180 degrees to enable the lower side face of the bearing seat blank to be parallel to the machine tool workbench and align to the main shaft, and the lower side face of the bearing seat blank is subjected to hole entering processing.
10. The combination tool for machining the special-shaped bearing seat according to claim 9, wherein: before step S10, the front side surface of the bearing seat blank is ensured to be vertical to a machine tool workbench by utilizing a square;
in the step S11, the power head is rotated by 90 degrees to enable the front side surface of the bearing seat blank to be parallel to the machine tool workbench and align with the main shaft, and a hole is formed in the front side surface of the bearing seat blank; and then the power head is rotated 180 degrees to enable the rear side surface of the bearing seat blank to be parallel to the machine tool workbench and aligned with the main shaft, and the rear side surface of the bearing seat blank is subjected to hole entering processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410206065.5A CN118237927A (en) | 2024-02-26 | 2024-02-26 | A combined tooling for processing special-shaped bearing seat and its use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410206065.5A CN118237927A (en) | 2024-02-26 | 2024-02-26 | A combined tooling for processing special-shaped bearing seat and its use method |
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| CN118237927A true CN118237927A (en) | 2024-06-25 |
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| CN202410206065.5A Pending CN118237927A (en) | 2024-02-26 | 2024-02-26 | A combined tooling for processing special-shaped bearing seat and its use method |
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Cited By (1)
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