JP3702728B2 - Geared motor with electromagnetic brake - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a dustproof and waterproof structure for a geared motor with an electromagnetic brake used for powering equipment such as food equipment and medical equipment conveyors.
[0002]
[Prior art]
In recent years, geared motors are used not only for power for industrial conveyors but also for conveyors for food equipment and medical equipment, and high dustproof and waterproof performance is desired. Further, there is a demand for a geared motor integrated with an electromagnetic brake having specifications for attaching an electromagnetic brake for the purpose of holding a load, braking for a short time, preventing machine coasting, that is, dustproof and waterproof performance.
[0003]
Hereinafter, the structure of a conventional geared motor with an electromagnetic brake used for powering equipment such as a conveyor for food equipment will be described with reference to the drawings.
[0004]
In FIG. 5, 11 is a motor shaft and 5 is an electromagnetic brake. An electromagnetic brake cover 12 is attached to the joint surface with the gear case 13 by screws via a sealant or an adhesive. Reference numeral 13 denotes a gear case, in which a motor and a speed reduction mechanism are disposed, and an electromagnetic brake portion is disposed on the outside. An electromagnetic brake coil lead wire 14 is disposed outside through the electromagnetic brake cover 12. Reference numeral 15 denotes a terminal box of an electromagnetic brake unit, which has dustproof and waterproofing for the electromagnetic brake outlet wire 14.
[0005]
[Problems to be solved by the invention]
However, in the above conventional configuration, since the electromagnetic brake coil lead wire is disposed directly outside from the electromagnetic brake cover, it is necessary to provide an electromagnetic brake terminal box separately from the motor terminal box in order to achieve a dustproof and waterproof structure. There is a problem that it is difficult to secure dustproof and waterproof.
[0006]
In addition, there is a problem in the workability of the lead wire processing such that the motor lead wire and the electromagnetic brake coil lead wire cannot be processed together.
[0007]
An object of the present invention is to solve the above-mentioned problems, and to provide a geared motor with an electromagnetic brake that protects the lead-out portion of the geared motor with an electromagnetic brake from water and dust, and facilitates the processing of the lead-out wire. To do.
[0008]
[Means for Solving the Problems]
In order to solve the above problems, the present invention provides an electromagnetic brake cover that engages a geared motor that houses a motor part and a reduction gear part in a gear case and a gear cover, and a motor rotating shaft that protrudes outside the gear case. In a geared motor with an electromagnetic brake to which a stored electromagnetic brake is attached, the electromagnetic brake coil lead wire arranged along the inner wall of the electromagnetic brake cover is connected together with the motor lead wire via the groove provided on the inner wall of the gear case. wherein in geared motor with an electromagnetic brake, characterized in Succoth pull out through the terminal box from one place of the gear case, it is to facilitate processing of the lead wire to ensure dustproof waterproof.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
In order to solve the above problems, the present invention provides a geared motor in which a motor part and a reduction gear part are housed in a gear case and a gear cover, and an electromagnetic brake cover so as to be engaged with a motor rotating shaft protruding outside the gear case. in the geared motor with an electromagnetic brake fitted with an electromagnetic brake housed in, the electromagnetic brake coil opening outgoing line is disposed along the inner wall of the electromagnetic brake cover, and the motor port oUT line via a groove which is arranged on the inner wall of the gear case it is a geared motor with an electromagnetic brake, characterized in together to pull out through the terminal box from one place of the gear case Succoth.
[0010]
The geared motor with an electromagnetic brake according to claim 1, wherein the electromagnetic brake is built in a gear case in which the electromagnetic brake cover is integrated.
[0011]
Furthermore, the 1st connector provided in the front-end | tip of an electromagnetic brake coil outlet wire, the relay wire which relay-connects an electromagnetic brake and a terminal box, and the 2nd connection fitted to the said 1st connector on the said relay wire a geared motor with an electromagnetic brake according to claim 1, wherein connected by providing a child.
[0012]
Thus, those drawn out through the terminal box together motor port output line and the electromagnetic brake coil opening outgoing lines from the gear case, the lead wire can be protected in the gear case and the terminal box can be a tap portions to secure dustproof waterproof .
[0013]
In addition, a built-in electromagnetic brake in a gear case integrated with an electromagnetic brake cover provides a more reliable dustproof and waterproof geared motor with an electromagnetic brake.
[0014]
In addition, since the connector for fitting each of the relay wire and the electromagnetic brake coil lead wire is provided, the wiring work when the electromagnetic brake is assembled to the gear case can be improved.
[0015]
【Example】
An embodiment of the present invention will be described below with reference to the drawings.
[0016]
(Example 1)
A geared motor with an electromagnetic brake in which an electromagnetic brake is externally attached to the geared motor will be described.
[0017]
1 and 2, reference numeral 1 denotes a gear cover, 2 denotes a gear case, 2 a denotes a groove portion in which the lead wire of the electromagnetic brake coil provided on the inner wall of the gear case 2 is disposed, and the terminal portion thereof leads to the terminal box 8. It has a guiding groove shape. 3 stator 4 is the motor port outgoing lines, 5 electromagnetic brake 6 is an electromagnetic brake coil opening outgoing lines, the electromagnetic brake cover 7, 8 terminal box having a waterproof function, 9 the lead wire outlet portion, A sealing material 10 seals the joint surface between the gear cover 1 and the gear case 2, the joint surface between the gear case 2 and the electromagnetic brake cover 7, and the joint surface between the housing side surface and the terminal box 8. The gear cover 1 and the gear case 2 are fixed by bolts (not shown).
[0018]
An electromagnetic brake in which a motor unit and a speed reducer unit are housed in a gear case 2 and a gear cover 1 to constitute a geared motor, and an electromagnetic brake 5 is attached so as to engage with a motor rotating shaft protruding outside the gear case 1. The electromagnetic brake coil lead wire 6 is disposed along the inner wall of the electromagnetic brake cover 7, and the tip thereof passes between the groove 2 a of the gear case 2 and the outer periphery of the stator 3. Together with the motor lead wire 4 and connected to the terminal box 8 and pulled out to the outside. In addition, it can implement similarly even if it replaces with the hole the groove part 2a provided in the inner wall.
[0019]
In this way, the lead wire of the electromagnetic brake is disposed through the electromagnetic brake cover along the outer periphery of the stator in the gear case, and is disposed in the terminal box together with the motor lead wire. A geared motor with an electromagnetic brake that can be protected at the same time and has a dustproof and waterproof property can be obtained.
[0020]
(Example 2)
Next, a geared motor with an electromagnetic brake that also serves as an electromagnetic brake cover in a gear case will be described.
[0021]
In FIG. 3, a difference from the first embodiment is a gear case 16 that can incorporate an electromagnetic brake together. As in the first embodiment, the gear case 16 is provided with a groove portion on the inner wall for arranging the lead wire of the electromagnetic brake 5, and the terminal portion of the electromagnetic brake lead wire 6 is guided to the terminal box 8.
[0022]
First, an electromagnetic brake is attached to the motor portion, and the electromagnetic brake coil lead wire 6 and the motor lead wire 4 are joined together at the groove portion on the inner wall of the gear case 16 and connected to the terminal box 8 and pulled out.
[0023]
The joint surface between the gear case 16 and the gear cover 1 is sealed with an adhesive or a sealing material, and the gear cover 1 and the gear case 16 are fixed with bolts as in the first embodiment.
[0024]
In this way, the gear case incorporates the motor part, the speed reducer part and the electromagnetic brake, and the electromagnetic brake coil lead wire and the motor lead wire are collectively connected to the terminal box at the groove on the inner wall of the gear case. As a result, it is possible to obtain a certain dustproof and waterproof property and to facilitate wiring work.
[0025]
(Example 3)
Example 3 improves the wiring workability of the electromagnetic brake outlet wire of Example 1, and in FIG. 4, 6a is an electromagnetic brake coil outlet wire and is provided with a first connector 17a, and 6b is an electromagnetic brake. A relay wire is provided with a second connector 17b on the opposite side to the terminal box 8, and before the electromagnetic brake cover is attached, the first connector 17a and the second connector 17b are joined to the gear case and the electromagnetic brake cover. The point which connects in a part and comprises the lead wire of an electromagnetic brake differs.
[0026]
First, a geared motor is constructed by housing a motor part and a reduction gear part in a gear case and a gear cover. At this time, the relay wire 6b is disposed between the inner wall of the gear case and the outer periphery of the stator, and the second connector 17b is positioned in the vicinity of the joint between the electromagnetic brake and the gear case so that the relay wire 6b and the motor lead wire are located. Pull 4 out of the gear case together.
[0027]
Next, after attaching an electromagnetic brake so as to engage with the motor rotation shaft protruding outside the gear case, the first connector 17a and the second connector 17b are connected.
[0028]
Thereafter, the electromagnetic brake cover is attached by aligning the groove provided on the inner wall of the electromagnetic brake cover with the position of the electromagnetic brake coil lead wire 6a, and the relay wire 6b and the motor lead wire 4 are connected to the terminal box 8.
[0029]
As described above, by fitting and connecting the first connector 17a and the second connector 17b, the assembly work can be facilitated as compared with the first embodiment.
[0030]
【The invention's effect】
As is apparent from the above-described embodiments, according to the first aspect of the invention, the lead wire can be easily protected and the dustproof and waterproof properties can be secured.
[0031]
In addition, according to the second aspect of the present invention, it is possible to further easily secure the dustproof and waterproof property and improve the wiring workability of the lead wire.
[0032]
Furthermore, according to the third aspect of the present invention, the work of drawing out the lead wire is facilitated by connecting the connectors, and the assembling workability is improved.
[0033]
Thus, a geared motor with an electromagnetic brake that facilitates the lead wire protection and lead wire processing operations can be provided.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a geared motor with an electromagnetic brake showing an embodiment of the present invention. FIG. 2 is a layout view of an electromagnetic brake outlet wire according to an embodiment of the present invention. FIG. 4 is a partial cross-sectional view showing still another embodiment of the present invention. FIG. 5 is a cross-sectional view of a conventional geared motor with an electromagnetic brake.
DESCRIPTION OF SYMBOLS 1 Gear cover 2 Gear case 4 Motor lead wire 5 Electromagnetic brake 6, 6a Electromagnetic brake coil lead wire 6b Relay wire 7 Electromagnetic brake cover 8 Terminal box 9 Lead wire lead-out part 17a 1st connector 17b 2nd connector

Claims (3)

Geared motor with electromagnetic brake in which a geared motor that houses the motor and reducer in the gear case and gear cover, and an electromagnetic brake that is housed in the electromagnetic brake cover so as to engage with the motor rotating shaft that protrudes outside the gear case. in the motor, the electromagnetic brake coil opening outgoing line is disposed along the inner wall of the electromagnetic brake cover, through the terminal box from one place of the gear case along with the motor port outgoing line via a groove which is arranged on the inner wall of the gear case geared motor with an electromagnetic brake, wherein the pull out Succoth.   The geared motor with an electromagnetic brake according to claim 1, wherein the electromagnetic brake is built in a gear case in which the electromagnetic brake cover and the gear case are integrated. A first connector provided at the tip of the electromagnetic brake coil lead wire; and a relay wire that relay-connects the electromagnetic brake and the terminal box; and a second connector that fits the first connector on the relay wire. geared motor with an electromagnetic brake according to claim 1, wherein the connection is provided.

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