TWI558074B - Air-cooling linear motor - Google Patents

Description

Air cooled linear motor

The present invention relates to motor technology, and more particularly to an air cooled linear motor.

In order to improve the operating efficiency of the motor, the temperature of the operating environment of the motor is maintained to operate at a preferred operating temperature, and the heat energy converted by the electrical energy is dissipated by heat dissipation techniques such as radiation or conduction, which is a conventional technique. There is an updated technical content, as exemplified by the disclosed heat dissipating mechanism in the field of linear motor technology, that is, the air-cooling heat dissipating mechanism (1) is placed on the stator (2) member of the linear motor as shown in the first figure. According to the air body in the space where the moving path of the mover moves, the forced convection is comprehensively formed, and the air-cooling heat dissipating mechanism (3) is disposed on the mover (4) member of the linear motor as shown in the second figure. In the upper part, the heat dissipating mechanism (3) forms a partial forced convection of air on the peripheral side of the mover (4).

Whether used to form a full or partial air convection, the heat dissipation technology provided by the prior art requires the linear motor to be used as a fluid flow passage structure for the mover (4) or stator (2) members of the linear motor. Existence, the airflow that generates the forced convection is guided to different parts of the linear motor, so that the composition of the derivative linear motor needs to be adapted to the channel setting, and the inner diameter of the channel is usually The system is small and difficult to process in the drilling, which makes the manufacturing efficiency inefficient and the cost increase. Moreover, the conventional technology that uses the components of the linear motor as part of the heat dissipation mechanism is difficult to be applied to the design. Line without heat dissipation mechanism On the motor, the use of linear motors is limited.

SUMMARY OF THE INVENTION Accordingly, it is a primary object of the present invention to provide an air-cooled linear motor having a heat dissipating mechanism that does not require modification of the configuration of a mover member or a stator member of a linear motor to form a flow of air supplied from an external source. Guided to the surface of the peripheral side of the mover member and flowed to dissipate heat, whereby the heat dissipating mechanism is directly attached to a conventional linear motor that does not have a preferred heat dissipation technique to provide Good heat dissipation.

Therefore, in order to achieve the above object, the air-cooled linear motor provided by the present invention has an independent airflow guiding technique for guiding the airflow to the surface of the movable member of the linear motor, and is suitable for It is additionally provided on one side of the moving member as a heat dissipating target.

Therefore, in particular, the air-cooled linear motor provided by the present invention comprises a stator member having an elongated trough extending in a straight line; a moving member is slidably disposed on the stator member and along the stator member The long axis reciprocating displacement of the chute has a side portion extending through the sliding groove, and the circumferential side is spaced apart from the inner groove wall of the sliding groove, and a facing end surface is located at the side portion corresponding to the a heat dissipating portion having an end portion fixed to one end of the long axis of the chute and adjacent to the forward end surface, an air passage, Provided in the end seat, an air outlet is disposed on the end seat and communicates with the air passage for guiding the gas to flow along a direction of the air exiting the plane facing the end surface, according to which the external air source is After the supplied gas is injected into the air passage, it can further flow toward the surface of the moving member through the air outlet, so as to achieve the effect of dissipating heat to the moving member by the convection of air, and at the same time, Airflow guidance technology that forms airflow guidance and controls the flow direction, both Li to the base end, therefore, in the assembly or use, only the seat to be fixed to the end of the predetermined target cooling, cooling can be achieved Its function, its disassembly and assembly are convenient.

Further, in order to adapt or improve the heat dissipation requirement of the linear motor, the air outlet direction formed by the air outlet may be changed in the quantity or the angle direction according to actual needs, for example, or the direction of the air outlet may be changed. The end faces or the planes of the facing end faces are spaced apart to control the flow path of the gas, or the number of the ports may be a plurality, and the air outlet directions of different angles are respectively formed, so that the moving parts are more fully radiated.

Furthermore, in order to effectively utilize the flow of the gas inside the end seat, the heat dissipating portion further includes a gas chamber interposed between the end seat and the moving member, and communicates with the air passage to make the gas At the same time as the airway flows, a larger contact area with the mover member is obtained through the air chamber to improve the heat dissipation effect, and further, the air chamber and the or each air outlet can be connected. .

Wherein, the air chamber is formed such that the end seat has a block-shaped seat body, and one end surface is adjacently fixed to the moving member, and an alcove is recessed on one side of the seat body. The end surface is closed, and the opening of the recess is closed by the corresponding portion of the moving member adjacent to the seat body, thereby forming the air chamber.

In addition, the combination between the end seat and the movable member can be fixed by an adhesive technique or a connecting member such as a bolt, but is not limited thereto, and the end seat can be firmly coupled to the end seat. The combination means on the moving parts are feasible and do not hinder the achievement of the effects and the purpose of the present invention.

(1) ‧‧‧Air-cooled heat dissipation mechanism

(2) ‧ ‧ stator

(3) ‧‧‧Air-cooled heat dissipation mechanism

(4) ‧‧‧ movers

(10)(10’)(10”)(10''')‧‧‧ Air-cooled linear motor

(20)‧‧‧ stator parts

(21)‧‧‧Chute

(30) (30’) ‧ ‧ ‧ moving parts

(31)‧‧‧ Side

(32) ‧ ‧ towards the end face

(33) ‧ ‧ reversal end faces

(34) (34") (34''') ‧ ‧ top

(341)‧‧‧ Positioning prominent

(40) (40’) (40”) ‧‧ ‧ Heat Dissipation Department

(41) (41’) (41”) (41''') ‧‧‧

(411") (411''') ‧ ‧ ‧ body

(412") (412''') ‧ ‧ alcove

(4121''') ‧‧‧ recessed

(42)‧‧‧ Positioning perforation

(43) (43’) (43''') ‧ ‧ airways

(44) (44") (44''') ‧ ‧ air outlet

(441") (441''') ‧ ‧ vents at both sides

(442") (442''') ‧‧‧ outlet at the central location

(443") ‧‧‧ outlets at both corners

(45’) (45”) ‧ ‧ air chamber

(d1)(d1")(d2")(d1''')(d2''')(d3''')‧‧‧Exhaust direction

The first figure is a perspective view of a conventional technique.

The second figure is a perspective view of another conventional technique.

The third drawing is a perspective view of an end seat of a first preferred embodiment of the present invention.

The fourth figure is a perspective assembled view of the first preferred embodiment of the present invention.

Figure 5 is a cross-sectional view of the first preferred embodiment of the present invention taken along the line sec of Figure 5-5.

Figure 6 is a cross-sectional view of the first preferred embodiment of the present invention taken along the line sec of Figure 6-6.

Figure 7 is a perspective view of an end seat of a second preferred embodiment of the present invention.

Figure 8 is a perspective assembled view of a second preferred embodiment of the present invention.

Figure 9 is a cross-sectional view of the second preferred embodiment of the present invention taken along the line sec of Figure 9-9.

Figure 11 is a cross-sectional view of a second preferred embodiment of the present invention taken along the line sec of Figure 8-10.

Figure 11 is a perspective view of an end seat of a third preferred embodiment of the present invention.

Figure 12 is a perspective assembled view of a third preferred embodiment of the present invention.

Figure 13 is a cross-sectional view of a third preferred embodiment of the present invention taken along line 12-13 of the twelfth embodiment.

Figure 14 is a cross-sectional view of the third preferred embodiment of the present invention taken along the line 12 through 14-14.

Fifteenth is a perspective view of an end seat of a fourth preferred embodiment of the present invention.

Figure 16 is a perspective assembled view of a fourth preferred embodiment of the present invention.

Figure 17 is a cross-sectional view of a fourth preferred embodiment of the present invention taken along the line sec of Figure 16-17.

Figure 18 is a cross-sectional view of the fourth preferred embodiment of the present invention taken along the line sec of Figure 16-18.

Figure 19 is a cross-sectional view of a fourth preferred embodiment of the present invention taken along the line sec of Figures 16-19.

Figure 20 is a cross-sectional view of the fourth preferred embodiment of the present invention taken along the line sec of Figures 16-20.

In the following, several preferred embodiments of the invention will be described and further illustrated in conjunction with the drawings.

First, referring to the third to sixth figures, the air-cooled linear motor (10) provided in the first preferred embodiment of the present invention mainly includes a stator member (20). A moving member (30) and two heat dissipating portions (40).

Wherein, the stator member (20) and the moving member (30) are within the scope of the prior art, and the specific technical content thereof is not redundant, but only related to the technical features of the present invention. As will be described in the section, the stator member (20) has a U-shaped cross section as a whole, and has an open elongated chute (21) extending in a straight line.

The moving member (30) is slidably disposed on the stator member (20), and can be linearly reciprocally displaced along the long axis direction of the sliding slot (21), and has a rectangular plate-shaped side portion ( 31), the slot of the sliding slot (21) extends through the slot (21), and the peripheral side panel surface is spaced apart from the inner slot wall of the sliding slot (21) to form a corresponding portion therebetween The open air gap, a forward end surface (32) is located on the side of the side portion (31) corresponding to one end of the long axis of the sliding slot (21), and a reversing end surface (33) is opposite to the end The end face (32) is parallel to the other side plate end of the side portion (31), and a straight strip-shaped top portion (34) parallel to the long axis of the chute (21) is located in the chute ( 21) outside the notch and fixed to one side of the side portion (31).

Each of the heat dissipating portions (40) is disposed on both end faces of the long axis of the top portion (34), and is adjacent to the forward end surface (32) or the opposite end surface (33), respectively, and each has a piece The end seat (41) is attached to one end surface of the top end of the top portion (34) by a side block surface, and is bonded and fixed by an adhesive means or a bolting component for locking and the like. A positioning through hole (42) is disposed on the end seat (41) for positioning with a cylindrical positioning protrusion (341) at one end of the top portion (34) for easy positioning, an air passage (43) It is a flow space provided inside the end seat (41) for gas to flow, and an open inlet end is formed on the top end surface of the end seat (41), and the crucible can be used by a pipe joint or the like. The pipeline connection element is connected to the external gas supply source, so that the gas is guided into the air passage (43), and the two air outlets (44) are separated from the air passage (43) and disposed in the end seat (41). And forming an opening adjacent to a side edge of the movable member (30) at a bottom end of the end seat (41), thereby guiding the gas toward the forward end surface (32) in an air outlet direction (d1) or The plane of the reversing end surface (33) flows out of each of the air outlets (44); wherein the air outlet direction (d1) is directed to the edge of the side of the side portion (31), so that the airflow is directed to In the air gap space between the two sides of the side portion (31) and the sliding groove (21), and the plane in which the air outlet direction (d1) and the forward end surface (32) or the opposite end surface (33) are located The angle between the acute angles makes the jetted air flow obliquely toward the bottom of the chute (21) space to form a comprehensive gas convection effect, achieving better heat dissipation.

By the composition of the above-mentioned members, the high-pressure gas supplied from an external air source such as a compressor can be respectively connected to the air passages (43) of the heat radiating portions (40) via the connection of the pipes, and further through each of the air passages (43). The air outlet (44) of the heat dissipation portion (40) is guided to cause the gas jet to be ejected along the air outlet direction (d1) to the position of the side portion (31), whereby the movable member (30) and the stator member are (20) Forming a comprehensive gas convection effect, according to the effect of obtaining heat dissipation, and at the same time, since each of the heat dissipating portions (40) has an independent guiding effect on the gas flow direction, in assembly processing, only Each end seat (41) needs to be disposed on the moving member (30), and then connected with an external air source to obtain heat dissipation effect, which is provided by the present invention compared with the prior art. The technical content has the advantages of simple structure, simple assembly, and can be directly attached to the existing linear motor without heat dissipation to improve the operation efficiency of the existing linear motor.

Continuing from the seventh to tenth embodiments, the air-cooled linear motor (10') provided in the second preferred embodiment of the present invention has substantially the same phase as the first preferred embodiment. In other words, in the present embodiment, each of the heat dissipating portions (40') further includes a plurality of heat dissipating portions (40') disposed inside the end seat (41') and located in the air passage (43'). The enclosed air chamber (45') space of the middle portion is formed to have a large space inside the end seat (41'), and the raft is provided for contact with the flowing airflow, so that the moving member (30') The heat energy transmitted to the end seat (41') is appropriately dissipated to improve the heat dissipation effect.

Referring again to FIGS. 11 to 14, the air-cooled linear motor (10") provided in the third preferred embodiment of the present invention has a relationship with the second preferred embodiment. Most of the same structures exist, and the other structures are: the end seats (41") of the heat dissipating portions (40") respectively have a block-shaped seat (411"), one side The end surface is adjacent to the corresponding end surface of the top portion (34"), and an recess (412") is recessed from the side end surface to a proper depth, and is associated with each air passage (43") and each of the air outlets (44" The cells are connected to each other such that the open end of the recess (412") is closed by the corresponding portion of the top (34") adjacent to the seat (411"), whereby each of the air chambers (45") is formed.

At the same time, the number of the air outlets (44") of each of the heat dissipating portions (40") is increased to three, and the air outlets (441" at the two sides are formed to be the same as the air outlets of the first embodiment. Outside the direction (d1"), the air outlet direction (d2" formed by the air outlet (442") at the center position is directed toward the end surface end of the side portion (31"), according to the side portion (31) ") The outside of the two ends form a gas convection to improve the efficiency of heat dissipation.

Continuing with reference to the sixteenth to twentieth drawings, the air-cooled linear motor (10''') provided in the fourth preferred embodiment of the present invention is structurally compared with the aforementioned third. The structure disclosed in the preferred embodiment is similar, but different. In this embodiment, in addition to the shape of the seat body (411''') being wedge-shaped to reduce the overall volume, in the airway (43) ''') and the number of outlets (44''') And the structure is also different. Specifically, the air passage (43''') in the embodiment is a two-groove space existing in a groove structure, and the diameter is from the groove space in the seat body (411'' The edge of the gap is formed.

The air outlet (44''') in this embodiment is formed by the air outlet (441''') at the two sides of the side by the edge of the seat (411''') and the air outlet of the central position (442). '''), 俾 to form the same two different airflow directions (d1''') (d2''') as the third preferred embodiment, and on both sides of the recess (412''') The end angular position forms an arcuate recess (4121'''), whereby the end seat (41''') is secured to the top portion (34''') by means of each of the recesses (4121) ''') is not blocked by the top (34'''), further forming an air outlet (443''') at the two corners and having the top (34''') connected to it a groove, according to which the airflow ejected through each of the air outlets (443''') at the two corner positions forms an air outlet direction (d3''') perpendicular to the plane of the forward end or the plane of the reversing end face, The airflow is directed to the air gap between the top (34''') and the slot (21''') to make the gas convection more comprehensive for optimal heat dissipation.

(10) ‧‧‧Air-cooled linear motor

(20)‧‧‧ stator parts

(21)‧‧‧Chute

(30) ‧‧‧ moving parts

(31)‧‧‧ Side

(32) ‧ ‧ towards the end face

(34) ‧‧‧ top

(341)‧‧‧ Positioning prominent

(40)‧‧‧ Department of heat dissipation

(41) ‧‧‧Terminal

(43) ‧ ‧ airways

Claims (10)

An air-cooled linear motor comprising: a certain sub-piece having a long-shaped chute extending in a straight line; a moving member slidingly disposed on the stator member and reciprocally displaceable along a long axis of the chute, having one side portion And extending in the sliding groove, the circumferential side is spaced apart from the inner groove wall of the sliding groove; a facing end surface is located on the end side of the side corresponding to one end direction of the long axis of the sliding groove; a portion having a one end seat fixed to the one end of the moving member in the longitudinal direction of the sliding groove and adjacent to the facing end surface; an air passage disposed in the end seat; an air outlet provided at The end seat is connected to the air passage for guiding the gas to flow along a direction of the air exiting the plane facing the end surface; wherein the end seat further comprises a one-piece seat, which is adjacent to one end surface It is fixed on the moving member. The air-cooled linear motor according to claim 1, wherein the air outlet direction and the plane of the forward end face are separated by an angle of less than or equal to ninety degrees. The air-cooled linear motor according to claim 2, wherein the air outlet direction and the forward end surface are separated by an acute angle. The air-cooled linear motor of claim 2, wherein the outlet direction is directed between the side portion and the chute. The air-cooled linear motor according to claim 1, wherein the heat dissipating portion further comprises a gas chamber interposed between the end seat and the moving member and communicating with the air passage. An air-cooled linear motor according to claim 5, wherein the end seat has an recess recessed in one side end surface of the seat body, and the opening of the recess chamber is received by the seat body Neighboring The corresponding portion of the moving member is closed, thereby forming the air chamber. An air-cooled linear motor according to claim 5 or 6, wherein the air outlet is in communication with the air chamber. The air-cooled linear motor of claim 1 or 6, wherein the end seat is adhesively fixed to the mover member. The air-cooled linear motor of claim 1 or 6, wherein the end seat is secured to the mover member. The air-cooled linear motor of claim 1 or 6, wherein the end seat is located outside the slot of the chute.