TWI410026B - Alternator flywheel polygonal pole forming device - Google Patents

Abstract

A multipolar flywheel molding device of AC generator applies hydraulic facility to coordinate an indexed driving unit, a module unit, and a fastening unit to mold multipolar on the external circumference of flywheel. The indexed driving unit installed on the reverse processing side comprises servo driver, decelerating machine, structural crutch, universal joint, connecting rod, double acting pneumatic cylinder, and puck. The module unit comprises an upper mold, a lower mold, and a positioning plate. The fastening unit installed on the left side of the module unit comprises a fastener, fixed pneumatic cylinder, slide base, slide rail, and driving pneumatic cylinder. With the use of programmable controller to control the aforementioned unit mechanism, the external circumference of flywheel molds multipolar for a multipolar flywheel with precise shape and size from indexing. Automatic production by programmable controlcan reduce work hour and save labor, and having effect of increasing production efficiency and reducing manufacturing costs.

Description

Alternator flywheel multi-bright pole forming device

The invention relates to an alternator flywheel multi-salient pole forming device, in particular to an application process for an alternator flywheel multi-salient pole production process, which makes the salient pole shape and size accurate, and achieves shortening due to production automation. The alternator flywheel multi-bump forming device with many advantages of improving the production efficiency and reducing the manufacturing cost.

The electromagnetic alternator is mostly used in motor vehicles. The flywheel connected to the crankshaft is the rotor of the generator. When the crankshaft rotates to drive the flywheel to rotate, the generator coil cuts the magnetic line to generate alternating current, and the generated electric power is used as the energy source of all the electric components of the whole vehicle. The flywheel is a cylindrical shell structure, the inside of which is embedded with magnetic steel, and the outer circumference is equidistantly arranged with a plurality of salient poles.

In the prior art, for the fabrication of the salient pole of the alternator flywheel, please refer to FIG. 1A and B. The conventional technology uses a punching device to punch the outer circumferential salient pole of the flywheel, which is simplified by FIG. 1A and B. It can be seen that a mounting seat 11 for mounting and positioning the flywheel 10 is disposed at the front end of the salient pole die upper seat 14 and the salient pole die lower seat 13, and a fixing seat 15 is disposed at the rear end of the salient pole die, and is additionally installed. A rod 12 is disposed at the center of the seat 11 and the fixing base 15; when the circumferential salient pole 16 is formed by the flywheel 10, the flywheel 10 is first placed on the mounting seat 11, and the positioning hole 17 is formed on the end surface of the flywheel 10. The positioning bump 18 disposed in pairs with the mounting seat 11 is cooperatively positioned, and is moved downward by the salient pole die upper seat 14, and the forming convex portion 19 of the forming surface and the salient pole die lower seat 13 will be interposed between the outer circumference of the flywheel 10 The punching is formed to form the salient poles 16; and by the linkage of the connecting rods 12, the mounting seat 11 is formed by the equidistant forming of the salient poles 16, and the indexing is rotated by an angle to perform the next salient pole 16 punching operation, The above-mentioned indexing and punching operation is completed to complete the punching operation of the outer circumference salient pole 16 of the flywheel 10 The premise of the conventional flywheel 10 outer circumference salient pole 16 punching operation, focusing on manual work, and has the following problems:

1. In terms of work efficiency, the aforementioned processing time for punching a salient pole 16 of a flywheel 10 is about 0.04H, and 200PCS can be produced in one hour of one working day, with 400,000 units per year. It takes 16,000 hours to calculate the production demand. In the case where the capacity of the single machine is insufficient, it is necessary to purchase equipment and increase the manpower allocation to cope with it, resulting in rising costs and lower profits in the case of poor production efficiency.

2. In terms of product quality, there are practically punched salient poles 16 that are highly unstable, salient poles 16 with an angular tolerance of 1° or more, salient poles 16 without chamfers, and burrs and salient poles 16 outside the lathe. A number of problems, such as a dimensional tolerance of about 0.3 mm, are not ideal.

3. In terms of work safety, due to the punching and punching processing, the operator is more likely to be tired under long-term operation, which is easy to cause danger in operation; and the sound caused by the finished product punching operation is loud, and the working environment and operation It causes a certain degree of impact and damage.

4. In terms of the use of equipment, the premise skill is to use the convex pole 16 of the processing flywheel 10, the required equipment is 80T punch, the price is about 850,000 yuan / Taiwan; the other mold cost is about 50,000 yuan / pay As mentioned in point 1, if the cost of equipment purchased to meet the production requirements is high, it is not a small expense.

As mentioned above, there are many problems in the prior art of work efficiency, product quality, work safety and equipment cost, which are not ideal and need to be improved.

In view of the shortcomings of the aforementioned conventional techniques, the inventors have developed a multi-salient forming device for the alternator flywheel of the present invention by virtue of the rich professional experience in this field and through painstaking research.

The main object of the present invention is to provide an alternator flywheel multi-bright pole forming device, which can shorten the manufacturing man-hour of the flywheel salient pole, improve the production efficiency, and reduce the cost.

A second object of the present invention is to provide an above-described alternator flywheel multi-bright pole forming device, wherein the flywheel salient pole punching is highly stable, the dimensions and geometric tolerances are precise, no burrs are generated after processing, and the quality is excellent.

It is still another object of the present invention to provide an alternator flywheel multi-bright pole forming apparatus as described above, which provides an excellent manufacturing operation environment and makes noise noise small and safe.

Still another object of the present invention is to provide a multi-bump forming device for an alternator flywheel described above, which replaces a high-priced punching device with a low-cost hydraulic device, and the mold has compatibility.

The invention relates to an alternator flywheel multi-bright pole forming device, which comprises: an indexing drive unit, a die unit and a fixed unit; wherein: the indexing drive unit is driven by a servo drive and a reducer , structural bracket, universal joint, connecting rod, double-acting pneumatic cylinder, positioning disc and other components; the output shaft of the reducer is connected with the universal joint, the other end of the universal joint is connected with the connecting rod, and the connecting rod is another One end is a driven circular shaft, the circular shaft passes through the center of the positioning disc and is driven, the movement of the above-mentioned members are all on the same axial center line; and a double-action pneumatic cylinder is arranged at the upper end of the universal joint and the connecting rod, and is matched with the positioning. The disk is indexed and positioned; another servo drive is pivoted on one side of the reducer; the aforementioned components are mounted on the back side of the opposite side of the hydraulic device by the structural bracket; the die unit is provided by the upper die, the lower die and the positioning plate The bottom surface of the upper mold has a forming curved surface and an inner square hole, and the lower mold includes a forming groove and a convex point, and the inner square hole and the convex point are used for forming the convex pole; the positioning plate is cylindrical The flywheel is to be machined, and the end face is provided with a pair of convex points for positioning the flywheel to be processed; the fixed unit is composed of a pressing member, a fixed pneumatic cylinder, a sliding seat, a sliding rail, a driving pneumatic cylinder and the like; The pressing device is pivotally mounted on the front end of the fixed pneumatic cylinder, and the fixed pneumatic cylinder is mounted on the sliding seat. The sliding seat is guided by the sliding rail and is actuated by the driving pneumatic cylinder disposed on the sliding seat, and the foregoing components are installed in a structural relationship. The hydraulic device is operated on the left side of the front side; that is, the above-mentioned indexing drive unit, mold unit and fixed unit are installed in the hydraulic device, and the programmable controller outputs a control command for automatic production of the flywheel salient pole forming Indexing positioning, fixing and forming; when the flywheel is to be machined When placed on the positioning plate of the mold unit, press the operation switch of the hydraulic press table, and the fixing unit is actuated to fix the front side of the presser on the flywheel to be processed on the positioning plate, and the upper die of the die unit is actuated downward. Applying pressure and forming a salient pole feature by virtue of the geometric shape of the upper and lower molds, when the single salient pole is formed, the upper mold is reset upward, and the double-acting pneumatic cylinder of the indexing drive unit is actuated to exit the positioning disc, and the servo The actuator is driven by the reducer, the universal joint and the connecting rod to drive the positioning disc to rotate the indexing. After the indexing operation is completed, the double-acting pneumatic cylinder is again actuated to enter the positioning hole of the positioning disc, and is connected by the aforementioned indexing action. The positioning plate of the deflected die unit causes the flywheel to be processed to be deflected, and the upper die is pressed downward to form a pressure forming process, and the indexing process is repeated until the outer circumference of the flywheel to be machined to complete the formation of the salient pole.

The following examples are given to illustrate the implementation relationship and implementation effects of the various components of the present invention, so that the reviewer will have a better understanding of the present invention.

Please refer to FIG. 2 , which is a perspective view of the multi-spot forming device of the alternator flywheel of the present invention, and FIG. 3 to FIG. 5 show the indexing drive of the multi-salient forming device of the alternator flywheel of the present invention. The structure of the unit, the mold unit and the fixed unit; the present invention is an alternator flywheel multi-bright pole forming device, the main components of which include: an indexing drive unit 20, a mold unit 40 and a fixing unit 60; Wherein: the indexing drive unit 20 (refer to FIG. 3), the servo drive 22, the reducer 24, the structural bracket 26, the universal joint 28, the connecting rod 30, the double-acting pneumatic cylinder 32, the positioning plate 34 and the like The output shaft of the reducer 24 is coupled to the universal joint 28, and the other end of the universal joint 28 is coupled to the connecting rod 30. The other end of the connecting rod 30 is a driven circular shaft 31, and the circular shaft 31 is provided with Cutting, inserting into the central hub of the positioning plate 34 and driving the positioning plate 34, the movement of the aforementioned members are all on the same axis; and a double-action pneumatic cylinder 32 is disposed at the upper end of the universal joint 28 and the connecting rod 30, Dynamic pneumatic cylinder 32 front end shaft With the positioning plate 34 disposed at equal angular end surface, equidistant positioning holes 35 of the indexing done; the other side of the speed reducer 24 of a pivoted servo driver 22; before Each of the members is attached to the back side of the opposite side of the hydraulic device by the structural bracket 26.

The mold unit 40 (refer to FIG. 4A to FIG. 4C) is composed of an upper mold 42, a lower mold 48 and a positioning plate 54. The lower end surface of the upper mold 42 has a forming curved surface 44 and an inner square hole 46. The lower mold 48 includes a forming groove 50 and a convex point 52. The inner square hole 46 and the convex point 52 are used for forming the salient pole; the positioning plate 54 has a cylindrical shape for the flywheel to be processed, and the end surface is provided with The bump 56 is positioned for the workpiece to be processed by the flywheel.

The fixing unit 60 (refer to FIG. 5) is composed of a pressing member 62, a fixed pneumatic cylinder 64, a slide 66, a slide rail 68, a driving pneumatic cylinder 70, and the like; the pressing member 62 is pivotally mounted on the fixed pneumatic cylinder 64. The front end, the fixed pneumatic cylinder 64 is mounted on the sliding seat 66. The sliding seat 66 is guided by the sliding rail 68 and laterally actuated by the driving pneumatic cylinder 70 disposed on the sliding seat 66. The foregoing components are installed in the oil by the structural relationship. The operating device is operated on the left side of the front side.

Please refer to Figure 6 and Figure 7. The above-mentioned indexing drive unit, mold unit and fixed unit are installed in the hydraulic equipment, and the programmable controller outputs control commands for automatic production of the flywheel salient pole. Indexing positioning, fixing and forming of the forming; when the workpiece to be processed of the flywheel 10 is placed on the positioning plate 54 of the mold unit 40, pressing the operation switch of the hydraulic press table, the fixing unit 60 is actuated to actuate the front side of the pressing member 62 The flywheel 10 pressed against the positioning plate 54 is fixed by the workpiece to be processed, and the upper mold 42 of the die unit 40 is pressed downwardly and the salient pole features are formed by the geometric features of the upper and lower molds, when a single salient pole is formed. Thereafter, the upper mold 42 is reset upward, and the double-acting pneumatic cylinder 32 of the indexing drive unit 20 is actuated to exit the positioning plate 34, and the servo drive 22 is actuated to rotate the positioning plate 34 by the speed reducer 24, the universal joint 28 and the connecting rod 30. After the indexing operation is completed, the double-acting pneumatic cylinder 32 is again moved into the positioning hole 35 of the positioning plate 34, and the positioning plate 54 of the mold unit 40 that is deflected by the indexing operation at this time causes the flywheel to be driven. 10 The workpiece to be processed is also deflected, and is pressed and formed by the upper mold 42 downward, and the indexing process is repeated until the outer circumference of the workpiece of the flywheel 10 is designed to complete the formation of the salient pole.

The above-mentioned embodiment of the present invention is an alternator flywheel multi-bright pole forming device, The specific results and advantages achieved can be stated as follows:

1. In terms of production efficiency: the working hours of the salient poles of each single flywheel can be reduced to 0.013H, and 600PCS can be made within 8 hours of normal working hours; if the annual demand is 400,000 units per year, it takes 5,200 working hours. H; The cost savings compared to the conventional processing technology is 10800H*300 yuan (exchange rate) = 3.24 million yuan per year.

2. In terms of flywheel product quality: the automatic pressure forming salient pole provided by the invention has the advantages of stable salient height dimension and angular tolerance of 0.5°, and chamfering each end edge when forming the salient pole. C, no burr can occur after the outer diameter of the lathe is processed; and the tolerance of the outer circle of the salient pole can be controlled to be less than 0.2 mm.

3. In terms of operational safety, the semi-manual matching punching method adopted by the conventional processing technology is prone to work safety accidents due to fatigue and negligence under long-term work, causing damage to the operator; the present invention The alternator flywheel multi-salient forming device is provided to replace the punching machine with the hydraulic machine equipment, and the sound is small during operation; and the semi-manual operation is replaced by the automatic mechanism unit, so that the operator is safer and more relaxed, and can reach one person and multiple machines. The purpose of automated production.

4. In terms of equipment cost considerations, the equipment cost of using the equipment hydraulic press is 400,000 yuan/set, which is about half of the equipment cost compared with the conventional technology punching machine; and the forming mold used has the same inner diameter portion. The features can be shared to achieve the overall equipment cost control. The above embodiments are merely preferred embodiments of the present invention, and the disclosed structural features and modes are not intended to limit the specific content of the present invention. Any creation similar to the structural features of the present invention should not deviate from the present invention. The scope of the patent application is protected, and the scope of the specific patent is regulated by the scope of the patent application in this case.

10‧‧‧Flywheel

11‧‧‧ Mounting

12‧‧‧ Connecting rod

13‧‧‧Shoulder die lower seat

14‧‧‧Surface punching die seat

15‧‧‧ fixed seat

16‧‧‧Surgent

17‧‧‧Positioning holes

18‧‧‧Positioning bumps

19‧‧‧ Shaped stud

20‧‧‧Division drive unit

22‧‧‧Servo drive

24‧‧‧Reducer

26‧‧‧Structural bracket

28‧‧‧ universal joint

30‧‧‧ Connecting rod

31‧‧‧ Round shaft

32‧‧‧Double-action pneumatic cylinder

34‧‧‧ Positioning plate

35‧‧‧Positioning holes

40‧‧‧Mold unit

42‧‧‧上模

44‧‧‧ forming curved surface

46‧‧‧ inner hole

48‧‧‧Down

50‧‧‧ forming trough

52‧‧‧Bumps

54‧‧‧ positioning board

56‧‧‧Bumps

60‧‧‧Fixed unit

62‧‧‧ Firmware

64‧‧‧Fixed pneumatic cylinder

66‧‧‧Slide

68‧‧‧Slide rails

70‧‧‧Drive pneumatic cylinder

Figure 1 a, a b is a schematic schematic diagram of the structure of the conventional alternator flywheel multi-salient forming device; Figure 2 is a perspective view of the machine of the alternator flywheel multi-bright pole forming device Figure 3 is a schematic structural view of an indexing drive unit of an alternator flywheel multi-salt pole forming device according to the present invention; Figure 4A, 4B, and 4C are molds of an alternator flywheel multi-salient pole forming device of the present invention; The structure and partial schematic diagram of the unit; FIG. 5 is a schematic structural view of the fixing unit of the multi-salt pole forming device of the alternator flywheel of the present invention; FIG. 6 is a forming and processing operation program of the multi-salt pole forming device of the alternator flywheel of the present invention. FIG. 7 and FIG. 7A, FIG. 7B and FIG. 7C are schematic diagrams showing the operation and implementation of the alternator flywheel multi-bright pole forming device of the present invention.

40. . . Mold unit

42. . . Upper mold

44. . . Forming curved surface

48. . . Lower die

50. . . Forming groove

52. . . Bump

54. . . Positioning plate

56. . . Bump

Claims (13)

The utility model relates to an alternator flywheel multi-salient pole forming device, and the component thereof comprises: an indexing driving unit, which is provided by a servo driver, a speed reducer, a universal joint, a connecting rod, a double-acting pneumatic cylinder, a positioning plate and a structural bracket. The components are mounted on the back side of the opposite side of the hydraulic device by a structural bracket; a mold unit consisting of an upper mold, a lower mold and a positioning plate; and a fixing unit, which is composed of a pressing device and a fixed pneumatic cylinder. The sliding seat, the sliding rail and the driving pneumatic cylinder are arranged; the structural relationship is matched and installed on the left side of the operation front surface of the hydraulic device; that is, the foregoing indexing driving unit, the mold unit and the fixing unit are installed in the hydraulic device And use the programmable controller output control command to perform the indexing positioning, fixing and forming of the flywheel salient forming of the automated production; when the flywheel workpiece is placed on the positioning plate of the mold unit, press the operation switch of the hydraulic press The fixing unit is configured to actuate and press the flywheel workpiece, and the upper die of the die unit is pressed downwardly and with the geometric shape of the upper and lower molds. The salient pole feature, when the single salient pole is formed, the upper mold is reset upward, and the double-acting pneumatic cylinder of the indexing drive unit is actuated to exit the positioning disc, and the servo drive is driven by the reducer, the universal joint and the connecting rod. The positioning disc rotates the indexing. After the indexing operation is completed, the double-acting pneumatic cylinder is again actuated to enter the positioning hole of the positioning disc. At this time, the positioning plate of the mold unit with the deflection is caused by the above-mentioned indexing action, and the flywheel to be processed is prompted. It is also deflected and is pressed and formed by the upper die. The alternator flywheel multi-bright pole forming apparatus according to claim 1, wherein the output shaft of the speed reducer of the indexing drive unit is coupled to the universal joint. The alternator flywheel multi-bright pole forming apparatus according to claim 1, wherein one end of the universal joint of the indexing drive unit is coupled to the connecting rod. The alternator flywheel multi-bright pole forming device according to claim 1, wherein one end of the connecting rod of the indexing driving unit has a circular shaft, and the circular shaft passes through the center of the positioning plate. As described in the scope of claim 1, the alternator flywheel multi-bump forming device The reducer, the universal joint, the connecting rod and the positioning plate are all operated on the same axial center line. The alternator flywheel multi-bright pole forming device according to claim 1, wherein the double-acting pneumatic cylinder of the indexing drive unit is disposed at an upper end of the universal joint and the connecting rod. The alternator flywheel multi-bright pole forming device according to claim 1, wherein the servo drive of the indexing drive unit is pivoted on the other side of the reducer. The alternator flywheel multi-bright pole forming device according to claim 1, wherein the lower end surface of the upper die of the die unit has a forming arc surface, and an inner hole is arranged in the center of the forming arc surface. The alternator flywheel multi-bright pole forming device according to claim 1, wherein the lower die of the die unit is provided with a forming groove, and the forming groove is provided with a bump. The alternator flywheel multi-bright pole forming device according to claim 1, wherein the positioning plate of the die unit has a cylindrical shape, and a pair of bumps are arranged on the front end surface of the positioning plate. The alternator flywheel multi-bright pole forming device according to claim 1, wherein the fixing unit is pivoted at a front end of the fixed pneumatic cylinder. The alternator flywheel multi-bright pole forming device according to claim 1, wherein the fixed pneumatic cylinder of the fixing unit is mounted on the sliding seat. The alternator flywheel multi-bright pole forming device according to claim 1, wherein the driving cylinder of the fixing unit is disposed on the sliding seat.