High-voltage motor coil winding hot-pressing shaping device
Technical Field
The utility model relates to a motor coil processing equipment technical field especially relates to a high-voltage motor coil winding hot pressing shaping device.
Background
With the rapid development of economic construction in China, a large high-voltage motor is used more and more widely as an important power source in industrial production, aging or fatigue damage is inevitable in the using process, and particularly, a stator coil winding of the large high-voltage motor is easy to damage an insulating layer under the conditions of overload operation or current overload and the like. Because large-scale high-voltage motor size is big, weight is heavy, with high costs, maintenance are difficult, and most large-scale high-voltage motor is the product of customizing according to the production technology demand in addition, hardly finds the substitute product in the market after breaking down, often need carry out in time maintenance or refabrication rear and can guarantee the production needs.
In order to meet the normal working requirements of a large high-voltage motor, a stator coil of the motor generally adopts a high-voltage electromagnetic wire as a coil winding, and the coil winding is designed into a corresponding coil structure and a corresponding coil shape according to different motor models in the design and production process, so that the coil winding is conveniently embedded into a motor stator. In order to satisfy the design requirement and be convenient for the installation, need carry out the plastic with coil winding for whole coil can keep a fixed shape, and coil winding is easy to take place deformation at the embedding in-process in later stage otherwise, leads to coil winding and stator silicon steel sheet notch inner wall butt friction, causes the insulating layer damaged. Therefore, in the processing of the coil, the coil winding coated with the insulating layer needs to be shaped by hot pressing. The existing hot-pressing shaping equipment is few in market and single in specification, and cannot meet the actual working requirements of manufacturing coil windings with different specifications. Therefore, the requirement of hot-press forming of windings of coils with various specifications needs to be solved.
Disclosure of Invention
The utility model discloses aim at solving one of the above-mentioned technical problem at least, provide a high voltage electric machine coil winding hot pressing shaping device, this hot pressing shaping device simple structure can adapt to the hot pressing plastic work of different specification coil windings.
In order to realize the purpose, the utility model discloses a technical scheme be:
a hot-pressing shaping device for a high-voltage motor coil winding comprises a rack and two groups of hot-pressing rods, wherein two ends of the rack are respectively provided with an adjusting mechanism, two ends of each group of hot-pressing rods are respectively erected on the adjusting mechanisms on one corresponding side, and the two groups of hot-pressing rods can rotate around the axis of the hot-pressing rods; the adjusting mechanism can adjust the distance between the two groups of hot pressing rods; and hot-pressing grooves are formed in one opposite side of the two groups of hot-pressing rods along the axis direction and can heat the coil winding.
As an improvement of the above technical scheme, the adjusting mechanism comprises two groups of sliding seats and adjusting screws, the sliding seats are arranged on the frame, the two groups of sliding seats are slidably arranged on the sliding rails, the adjusting screws are arranged on the sliding rails, the output ends of the adjusting screws are connected with the sliding seats through lead screw nuts, and two ends of the two groups of hot pressing rods are respectively movably arranged on the sliding seats on the corresponding side and can rotate around the axis of the hot pressing rods; and the sliding seat is provided with a locking bolt for locking the hot pressing rod.
As an improvement of the technical scheme, an arc-shaped groove matched with the outer shape of the hot pressing rod is arranged on one inward side of the sliding seat, the end part of the hot pressing rod is arranged in the arc-shaped groove in a lapping mode, a pressing tongue is arranged on the sliding seat, and one outward end of the pressing tongue extends into the arc-shaped groove; the locking bolt is arranged on the pressure tongue and can be abutted against the end part of the hot pressing rod on the arc-shaped groove.
As an improvement of the technical scheme, arc-shaped plates are arranged at two ends of the hot pressing rod, a groove hole is formed in the arc-shaped plates along the circumferential direction of the hot pressing rod, and the lower end of the locking bolt can be tightly abutted to the groove hole.
As an improvement of the technical scheme, two threads with opposite rotation directions are respectively arranged at two ends of the adjusting screw rod.
As an improvement of the technical scheme, the slide rail is provided with a containing groove for containing the adjusting screw rod.
As an improvement of the technical scheme, the hot-pressing rod is arranged on the back of the hot-pressing groove and is provided with a heating rod.
As an improvement of the technical scheme, the outer wall of the hot pressing rod is provided with clamping strips on two sides of the hot pressing groove, and the clamping strips are arranged along the axis direction of the hot pressing rod.
As an improvement of the technical scheme, a workbench is arranged below the hot pressing rod of the machine frame.
Compared with the prior art, the beneficial effects of this application are:
the coil winding hot-pressing shaping device of the utility model can adjust the space between two groups of hot-pressing rods by using the adjusting mechanism, thereby improving the adaptability of the whole hot-pressing shaping device; meanwhile, the two groups of hot pressing rods can rotate around the axis of the hot pressing rods, and the design can meet the requirements of different specification angles of the coil winding. Utilize the hot pressing groove to come the spacing coil winding of holding in this application, be convenient for cooperate outside frock clamp centre gripping fixed coil winding. The hot-pressing shaping device is simple in structure and can adapt to hot-pressing shaping work of coil windings with different specifications.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:
fig. 1 is a first schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram ii according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a sliding seat in an embodiment of the present invention;
fig. 4 is a schematic structural view of a hot press bar according to an embodiment of the present invention;
fig. 5 is a schematic structural view of the embodiment of the present invention showing the cooperation between the hot press bar and the fixture.
In the figure: the hot-pressing die comprises a frame 1, a workbench 11, a hot-pressing die 2, a hot-pressing groove 21, an arc-shaped plate 22, a groove hole 23, a heating rod 24, a clamping strip 25, an adjusting mechanism 3, a sliding rail 31, a sliding seat 32, an adjusting screw rod 33, a locking bolt 34, an arc-shaped groove 35, a pressing tongue 36 and an accommodating groove 37
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components, and when a component is referred to as being "disposed in the middle," it is not just disposed in the middle, so long as it is not disposed at both ends, but rather is within the scope of the middle. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 5, the utility model provides a hot-pressing shaping device for high-voltage motor coil winding, which comprises a frame 1 and two groups of hot-pressing rods 2, wherein the two groups of hot-pressing rods 2 are provided, two ends of the frame 1 are respectively provided with an adjusting mechanism 3, two ends of the two groups of hot-pressing rods 2 are respectively erected on the adjusting mechanisms 3 on the corresponding sides, and the two groups of hot-pressing rods 2 can rotate around the axes of the hot-pressing rods 2; the adjusting mechanism 3 can adjust the distance between the two groups of hot pressing rods 2; two sets of hot depression bar 2 is all seted up hot-pressing groove 21 along the axis direction on one side in opposite directions, hot-pressing groove 21 can heat coil winding. In the present application, the main material of the coil winding is the copper bar, because the hot press molding is performed according to the characteristic that the copper is softened by heating, wherein the hot press shaping device needs to be matched with an external fixture to press the coil in the hot press groove 21.
Wherein, the frame 1 is provided with a workbench 11 below the hot pressing rod 2, and the design is convenient for placing a clamp or other tools when the coil winding is installed. In addition, the present machine frame 1 can be provided with a tool box on the lower surface of the working table 11 for better storing tools.
The coil winding hot-pressing shaping device of the utility model can adjust the space between the two groups of hot-pressing rods 2 by utilizing the adjusting mechanism 3, thereby improving the adaptability of the whole hot-pressing shaping device; meanwhile, the two groups of hot pressing rods 2 can rotate around the axis of the hot pressing rods, and the design can meet the requirements of different specification angles of the coil winding. Utilize hot pressing groove 21 to come the spacing coil winding of holding in this application, be convenient for cooperate outside frock clamp centre gripping fixed coil winding. The hot-pressing shaping device is simple in structure and can adapt to hot-pressing shaping work of coil windings with different specifications.
Referring to fig. 1 and 2, the adjusting mechanism 3 can be in various structures, and can be driven by the air cylinder to move the hot press rods 2 to approach or move away from each other, or can be in some conventional screw rod and slide rail structures. In an embodiment of the present application, a specific structure of the adjusting mechanism 3 is provided, wherein the adjusting mechanism 3 includes two sets of sliding rails 31, sliding seats 32 and adjusting screws 33, the two sets of sliding seats 32 are provided, the sliding rails 31 are installed on the frame 1, the two sets of sliding seats 32 are slidably installed on the sliding rails 31, the adjusting screws 33 are installed on the sliding rails 31, and output ends of the adjusting screws are connected with the sliding seats 32 through lead screw nuts, two ends of the two sets of hot pressing rods 2 are respectively movably installed on the sliding seats 32 on one corresponding side and can rotate around their axes; the sliding seat 32 is provided with a locking bolt 34 for locking the hot pressing rod 2. In practical use, because the coil winding is obtained by bending the copper bar, and the rotor or the stator is of a circular structure, different inclination angles are required to exist in the inductive coupling areas clamped on the stator or the rotor on the coil winding, and the two inductive coupling areas of the whole coil winding are conveniently arranged in different mounting grooves on the stator or the rotor respectively through the design. And the coil windings with different specifications have different sizes, so that the mutual included angle between the copper bars between the two inductive coupling action areas on the coil windings is also different. For this reason, the design that two groups of hot-pressing rods 2 can rotate around the axes thereof facilitates the adjustment of the relative swing angle of the whole hot-pressing groove 21 according to requirements in actual use so as to adapt to the use of coil windings with different specifications. The main purpose of the locking bolt 34 is to better fix the mutual included angle between the hot pressing grooves 21 on the two groups of hot pressing rods 2 and improve the quality of hot pressing shaping.
Referring to fig. 3, in order to better adjust the swing angle of the hot-pressing groove 21 on the sliding seat 32, an arc groove 35 matching with the shape of the hot-pressing rod 2 is arranged on one inward side of the sliding seat 32, the end of the hot-pressing rod 2 is placed in the arc groove 35, a pressing tongue 36 is arranged on the sliding seat 32, and the outward end of the pressing tongue 36 extends into the arc groove 35; the locking bolt 34 is arranged on the pressure tongue 36, and the locking bolt 34 can be abutted against the end part of the hot pressing rod 2 on the arc-shaped groove 35. Wherein, the structure of arc wall 35 can enough support the both ends of hot briquetting 2, can utilize its radian spacing hot briquetting 2 again. The tongue 36 is provided to facilitate mounting of the lock bolt 34 without affecting the rotation of the hot press rod 2.
Referring further to fig. 4, in an embodiment of the present application, the two ends of the hot pressing rod 2 are provided with arc plates 22, the arc plates 22 are provided with slots 23 along the circumference of the hot pressing rod 2, and the lower ends of the locking bolts 34 can abut against the slots 23. The arc plate 22 can rotate around the axis of the hot press rod 2 in the space formed by the pressing tongue 36 and the arc groove 35, so that the hot press rod 2 can be prevented from being released from the arc groove 35 when the hot press rod 2 is rotated. The structural design of the slot 23 facilitates the locking and positioning of the locking bolt 34, and also prevents the end of the locking bolt 34 from wearing other structures.
Referring to fig. 1 and 2, in order to better adjust the distance between the two sliding seats 32 simultaneously, the two ends of the adjusting screw 33 are respectively provided with two threads with opposite rotation directions, so that when the adjusting screw 33 is rotated in one direction, the two sliding seats 32 can move away from or close to each other. In addition, in order to protect the adjusting screw 33 better, the slide rail 31 is provided with an accommodating groove 37 for accommodating the adjusting screw 33. Furthermore, the hot pressing rod 2 is provided with a heating rod 24 on the back of the hot pressing groove 21, and the hot pressing groove 21 is heated by the heating rod 24, so that the safety is improved. In addition, the outer wall of the hot-pressing rod 2 is provided with clamping strips 25 on two sides of the hot-pressing groove 21, and the clamping strips 25 are arranged along the axial direction of the hot-pressing rod 2. The design of the clamping strip 25 is mainly to facilitate the fixture to be fixed on the hot-pressing rod 2, and a matching state diagram of the hot-pressing rod 2 and the fixture can refer to fig. 5, which is not described in detail herein. In addition, in an embodiment of the present application, in order to better process the hot pressing rod 2, an open slot may be formed in an outer wall of a pipe along an axial direction, and then the pipe is welded to the open slot through an angle steel to form the hot pressing slot 21, and then the heating rod 24 is installed in a closed space formed between the angle steel and the pipe, so as to implement installation of the whole hot pressing rod 2. In addition, the two ends of the pipe directly form the structure of the arc-shaped plate 22, and the whole processing is simple and convenient and is easy to realize.
The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.