TW201911709A - The laminations of liner motor - Google Patents

Abstract

The invention is a linear motor with laminations characterized in that the combination of the approaching phase of each lamination is performed by the clamping structure between a first combination portion and a second combination portion, so that each lamination can closely contact to each other to maintain the well-contacted state between the cooling tube and the laminations.

Description

Linear motor core group

The present invention relates to a core group, and more particularly to a core group of a linear motor.

In the Chinese patent publication No. CN103178687A, for a hybrid linear motor having a two-phase back-tooth type iron core, it is disclosed that a plurality of cooling pipe grooves are arranged on opposite end faces of the two iron cores, and the cooling pipe is disposed in the cooling pipe. In the tank, water, oil or vapor-liquid mixed medium is supplied by the external cooling system as a medium for heat transfer, and only air is provided as a medium for cooling.

The technical content of accommodating the cooling pipe through the cooling pipe groove can achieve better cooling effect by using the externally supplied cooling medium, but the technical content lacks the bonding technology for maintaining the back-toothed iron cores attached to each other, thereby making it difficult to ensure iron. Whether the contact between the core and the cooling pipe is tight, so that the heat transfer on the iron core to the cooling medium through the cooling pipe is affected, and the cooling effect is not lost.

Therefore, the main object of the present invention is to provide a core group of a linear motor which can firmly bond the cores to each other while sandwiching the cooling tubes to ensure a good balance between the iron core and the cooling tubes. Contact state to transfer heat energy smoothly.

Therefore, in order to achieve the above object, the core group of the linear motor provided by the present invention is mainly characterized by a parallel joint between the opposite end faces of the iron core, and a first combination portion and a second combination portion are mutually The card is connected to ensure that the cores are closely attached to each other and maintain good contact between the cooling tube and the core.

The core assembly of the linear motor is configured to include a first core, a second core, a receiving space, a tube portion, the first combining portion and the second combining portion. Wherein, the first core has a first yoke, a first side and a second side are respectively located on opposite sides of the first yoke, and a plurality of first dents are respectively disposed on the first yoke On one side. The second core has a second yoke, a third side and a fourth side are respectively located on opposite sides of the second yoke, and the third side faces the first side. A majority of the second dentition is disposed on the fourth side. The accommodation space is interposed between the first yoke portion and the second yoke portion. The tube portion is tied to the accommodation space. The first combination portion and the second combination portion are disposed between the second side surface and the third side surface in a complementary manner.

The accommodating space is configured to receive the tube portion, so that the tube portion is sandwiched between the first iron core and the second iron core, so that an external cooling medium is allowed to flow in the tube portion. In order to achieve the effect of heat dissipation.

The first combination portion and the second combination portion are coupled to each other, thereby providing a proper bonding force to prevent the first iron core and the second iron core from being separated from each other, and The tube portion is in close contact with the first iron core and the second iron core to ensure the transfer of heat energy, and further to prevent the heat conduction material such as epoxy resin used in the motor package from infiltrating into the heat supply, thereby reducing heat energy transfer. The effect.

Wherein, the first combining portion and the second combining portion are in a shape of a dovetail that is complementary to each other, or other shapes complementary to each other, and may further change a position thereof disposed on the second side or the third side And quantity.

In order to facilitate assembly of the larger iron core, the first assembly portion has two card slots that are opposite to each other with the opening facing each other, and is disposed on the second side surface and the third side surface, and the second combination portion is disposed. The two sides of the opposite sides are respectively engaged with the card slots, whereby the first iron core and the second iron core can be connected first, and then the second combination portion is inserted into the first combination portion. In order to facilitate the assembly process of larger iron cores.

First, referring to the first to third figures, the core group (10) of the linear motor provided in the first embodiment of the present invention mainly includes a first core (20) and a second. The iron core (30), a receiving space (40), a tube portion (50), a first combining portion (60) and a second combining portion (70).

The first core (20) and the second core (30) are conventional technical contents, which are respectively formed by sequentially stacking a plurality of silicon steel sheets, and the first iron core (20) has a structure. a first yoke portion (21) having a rectangular plate shape, a first side surface (22) and a second side surface (23) are respectively located on opposite sides of the first yoke portion (21), and are mostly parallel to each other. The first sheet-shaped teeth (24) are respectively spaced apart from each other and protrude from the second side surface (23).

The second core (30) has a configuration similar to that of the first core (20), and has a rectangular plate-shaped second yoke portion (31), a third side surface (32) and a fourth side surface (33). ) are respectively located on opposite sides of the second yoke (31), and the third side (32) faces the first side (22), and the plurality of parallel second teeth (34) The first teeth (34) and the first teeth (24) are parallel to each other, respectively, spaced apart from each other.

The accommodating space (40) is interposed between the first yoke portion (21) and the second yoke portion (31), and has a plurality of first grooves (41) and a plurality of second grooves (42), wherein each of the first recesses The grooves (41) are respectively disposed on the first side surface (22) and extend in a direction parallel to the first tooth (24) to both ends of the first yoke portion (21), and each of the second grooves (42) They are respectively disposed on the third side surface (32) and extend in the direction parallel to the second tooth (34) to both ends of the second yoke portion (31), and each of the first groove (41) is notched In the opposite direction, the first yoke portion (21) and the second yoke portion (31) form a plurality of straight hole-shaped spaces (43) which are parallel to each other.

The tube portion (50) has two coils (51) (52) embedded in each of the first grooves (41) and the second grooves (42), and in each of the straight holes (43) Adjacent, at the same time, the two end nozzles are respectively located outside the first iron core (20) and the second iron core (30) for connection with an external cooling medium supply source.

The first combination portion (60) has a plurality of dovetail-shaped card slots (61), which are disposed on the first side surface (22) and the third side surface (32), and adjacent to the first first groove (41) A card hole (62) is formed between the first yoke portion (21) and the second yoke portion (31) so as to be opposed to each other between the adjacent second recesses (42).

The second assembly portion (70) has a plurality of H-shaped strip-shaped card bodies (71) which are respectively inserted into the respective card holes (62), and are complementaryly inserted with the respective card slots (61) on opposite sides. .

By the engagement between the first combining portion (60) and the second combining portion (70), the first yoke portion (21) and the second yoke portion (31) can be closely and firmly bonded to each other, and The respective coils (51) (52) are in close contact with the first yoke (21) and the second yoke (31) in the straight hole-like space (43), thereby increasing the contact area. Improve the heat transfer efficiency.

Further, when a fluid cooling medium such as water is supplied from an external supply source, the flow direction of the fluid in each of the flexible tubes (51) (52) may be changed, thereby being wound around each of the first teeth (24) and each of the first The heat generated by the external coil on the second tooth (34) is cooled and the specific cooling effect is as shown in the following table. The flow rate is 1.5 L/min, and the coil heat is 3350 W. When the flow direction is in the same direction, a lower average temperature of 108.98 ° C can be obtained, but in the reverse direction, a temperature difference of 8.05 ° C which is similar to the highest temperature and the average temperature can be obtained, and the heat dissipation effect is relatively uniform, and the flow rate is 3 L/min. This is also true when the coil heat is 4900W:

The invention combines the first assembly part and the second combination part to combine the technical contents of the first iron core and the second iron core, and does not set the second combination part in the first preferred embodiment. It is necessary for a separate component to also integrally form the first combined portion and the second combined portion on the first yoke portion and the second yoke portion, and the effect of tightly bonding the first yoke portion and the second yoke portion is still obtained. .

For example, the technical content of the first combination portion and the second combined portion on the first yoke portion and the second yoke portion is at least as follows:

In a second embodiment, as shown in the fourth figure, the first combination portion has a plurality of dovetail-shaped card slots (61a) and is disposed on the first yoke portion (21a) and the second yoke portion (31a). One part; the second combination portion has a card body (71a) having a plurality of dovetail shapes, and is disposed on the other portions of the first yoke portion (21a) and the second yoke portion (31a).

Secondly, in the third embodiment shown in FIG. 5, the majority of the dovetail-shaped card slots (61b) of the first combination portion are provided only on the first yoke portion (21b), and the second combination portion is Most of the dovetail-shaped card bodies (71b) are provided only on the second yoke portion (31b). It can be further combined with the technique disclosed in the second embodiment shown in the fourth figure, and is adapted to provide a change in assembly in response to actual needs.

Third, in the fourth embodiment shown in FIG. 6, the majority of the dovetail-shaped card slots (61c) of the first combination portion are disposed in the first yoke portion (21c) and the second yoke portion (31c). All of them are located on the notches of the first groove (41c) and the second groove (42c), and the plurality of dovetail shaped blocks (71c) of the second combination portion are respectively disposed on the first yoke ( 21c) and all of the second yoke (31c) and between the first grooves (41c) adjacent to each other or the second grooves (42c) adjacent to each other.

(10) ‧‧‧Wireless core group

(20)‧‧‧First core

(21) (21a) (21b) (21c) ‧ ‧ first yoke

(22) ‧‧‧ first side

(23) ‧‧‧ second side

(24)‧‧‧First tooth

(30) ‧‧‧second core

(31) (31a) (31b) (31c) ‧ ‧ second yoke

(32) ‧‧‧ third side

(33) ‧ ‧ fourth side

(34)‧‧‧Second tooth

(40) ‧‧‧ accommodation space

(41) (41c) ‧ ‧ first groove

(42) (42c) ‧ ‧ second groove

(43)‧‧‧ Straight hole space

(50) ‧ ‧ Department of Management

(51) (52) ‧ ‧ snake tube

(60) ‧‧‧First Combination Department

(61) (61a) (61b) (61c) ‧ ‧ card slot

(62)‧‧‧Kakong

(70) ‧‧‧Second Combination Department

(71)(71a)(71b)(71c)

The first figure is an exploded view of the first embodiment of the present invention. The second drawing is a perspective view of the first embodiment of the present invention. Figure 3 is a cross-sectional view of the first embodiment of the present invention taken along the line of the second Figure 3-3. The fourth drawing is a plan view of a second embodiment of the present invention. The fifth drawing is a plan view of a third embodiment of the present invention. Figure 6 is a plan view showing a fourth embodiment of the present invention.

Claims (10)

A core assembly of a linear motor, comprising: a first core having a first yoke, a first side and a second side being respectively located on opposite sides of the first yoke, a plurality of a first shank is disposed on the second side; a second core has a second yoke, and a third side and a fourth side are respectively located on opposite sides of the second yoke And the third side faces the first side, a plurality of second teeth are disposed on the fourth side; a receiving space is between the first yoke and the second yoke; And a first combination portion and a second combination portion are disposed between the first side surface and the third side surface in a complementary manner. The ferrule assembly of the linear motor of claim 1, wherein the accommodating space has a plurality of first recesses disposed on the first side, and a plurality of second recesses are disposed on the third side. The core assembly of the linear motor of claim 2, wherein the first recesses are in a hole shape between the first side and the third side, respectively, and the second recesses are in communication with each other. The core assembly of the linear motor of claim 2, wherein the first grooves and the second grooves are staggered and not in communication with each other, and the respective slot openings are opposite to the first side. Or the third side is blocked in a hole shape. The core assembly of the linear motor of claim 4, wherein the first assembly portion has a card slot located on the slot opening of the first recess. The core group of the linear motor of claim 5, wherein the first teeth are parallel to each other and the card slot extends in a direction parallel to the first teeth. The core group of the linear motor of claim 2, wherein the first dentitions are parallel to each other, and the first grooves extend in a direction parallel to the first teeth; the second dentitions Parallel to each other and extending the second grooves in a direction parallel to the second teeth. The core assembly of the linear motor of claim 1, wherein the first combination portion and the second combination portion are disposed on the first side surface and the third side portion. The core assembly of the linear motor of claim 1, wherein the first combination portion has two card slots that are opposite to each other with an opening, and is disposed on the first side and the third side, the second combination The parts are respectively engaged with the card slots on opposite sides. The iron core set of the linear motor of claim 5 or 9, wherein the card slot has a dovetail shape.