CN215646639U

CN215646639U - Parallel direct current motor driving device

Info

Publication number: CN215646639U
Application number: CN202121669791.9U
Authority: CN
Inventors: 汤翔
Original assignee: Zhongshan Jielian Electromechanical Co ltd
Current assignee: Zhongshan Jielian Electromechanical Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-25
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a parallel direct current motor driving device, which comprises a main shell, a linkage shell matched with the main shell and a brushless motor device arranged in the main shell, wherein a motor cavity for accommodating two brushless motor devices is arranged in the main shell, a driving main shaft and a linkage device are arranged on the linkage shell, and when the linkage shell is matched with the main shell, the output ends of the two brushless motor devices are inserted into the linkage shell and drive the driving main shaft to rotate through the linkage device. The embodiment of the utility model provides a parallel direct current motor driving device, which drives a driving main shaft to rotate through a linkage device through two brushless motor devices arranged in a main shell, so that the power is increased.

Description

Parallel direct current motor driving device

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of driving equipment, in particular to a parallel direct current motor driving device.

[ background of the utility model ]

At present, brush motors are usually adopted for driving devices of equipment such as a grooving machine, a stone cutting machine and an angle grinder, but along with the higher and higher requirements on the power of the driving equipment, a single motor is difficult to meet the output power, the service life of the brush motor is often influenced by the heat generated during working, and particularly under the condition of high-power working, the generated heat is more. The heat dissipation capability of the brushed motor limits the increase in power.

[ Utility model ] content

The utility model solves the technical problem of single power input of the driving devices of equipment such as a cutting machine, a water drilling machine, a magnetic drill and the like, and provides the parallel direct current motor driving device which is simple in structure and reasonable in design.

The utility model is realized by the following technical scheme:

direct current motor drive arrangement side by side, including the main casing body, with main casing body complex linkage casing, and locate brushless motor device in the main casing body, main internal being equipped with of casing is used for holding two brushless motor device's motor cavity, be equipped with the drive main shaft on the linkage casing to and aggregate unit, the linkage casing with during the main casing body cooperation, two brushless motor device output inserts in the linkage casing and pass through aggregate unit drives the drive main shaft rotates.

The parallel direct current motor driving device as described above, the linkage device includes a first gear connected to the driving spindle, and a second gear and a third gear both engaged with the first gear, and the brushless motor device includes a rotating shaft, and the rotating shafts of the two brushless motor devices are respectively engaged with the second gear and the third gear.

According to the parallel direct current motor driving device, the linkage shell comprises an upper shell and a lower shell covered with the main shell, the linkage device further comprises main shaft bearings respectively arranged corresponding to two ends of the driving main shaft, and rotating shaft bearings respectively arranged on the upper shell and the lower shell and used for inserting the rotating shaft.

The brushless motor device comprises a housing, a motor device arranged in the housing, and a heat dissipation device arranged in the housing and used for dissipating heat of the motor device.

According to the side-by-side direct current motor driving device, the motor device comprises the rotor assembly, the rotor assembly comprises the rotating shaft, the heat dissipation device comprises the fan blade arranged on the rotating shaft, and the fan blade and the rotating shaft rotate synchronously.

The motor device comprises a stator assembly, the stator assembly comprises a stator punching sheet group, two coil insulation sleeves and coils, the two coil insulation sleeves are inserted into the stator punching sheet group from two ends of the stator punching sheet group respectively, and the coils are used for winding the two coil insulation sleeves so as to be fixed on the stator punching sheet group.

As above, the rotor assembly comprises a magnet fixing sleeve arranged on the rotating shaft, neodymium iron boron magnetic steel matched with the magnet fixing sleeve, and an aluminum end plate limiting the neodymium iron boron magnetic steel together with the magnet fixing sleeve.

According to the side-by-side direct current motor driving device, the casing comprises the casing cover, the shell body which is matched with the casing cover and used for accommodating the motor device, and the dustproof cover which is arranged between the casing cover and the shell body.

According to the parallel direct current motor driving device, the rotor assembly further comprises a first bearing arranged on the shell and a second bearing arranged between the shell cover and the fan blade, and the first bearing and the second bearing are respectively located on two end portions of the rotating shaft.

According to the side-by-side direct current motor driving device, the shell cover is provided with the air inlet, the dustproof cover is provided with the through hole corresponding to the fan blade, the bottom of the shell is provided with the air outlet, and the air inlet, the through hole and the air outlet are communicated to form the heat dissipation channel.

Compared with the prior art, the utility model has the following advantages:

1. the utility model provides a parallel direct current motor driving device, which drives a driving main shaft to rotate through a linkage device through two brushless motor devices arranged in a main shell, thereby increasing power.

2. The utility model provides a parallel direct current motor driving device, which is characterized in that a motor device is radiated through a radiating device, and the influence of heat on the service life of the motor device is reduced under the condition of improving the power of the motor device. This improves the ability of the side-by-side dc motor drive to operate at high power while improving stability and durability.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a first exploded view of the present invention;

FIG. 2 is a first schematic structural diagram of a brushless motor device;

FIG. 3 is a first exploded view of the brushless motor device;

FIG. 4 is a second exploded view of the brushless motor device;

fig. 5 is a schematic structural diagram of a brushless motor device.

[ detailed description ] embodiments

In order to make the technical solutions and the advantages of the technical problems solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Direct current motor drive arrangement side by side, including main casing body 1, with main casing body 1 complex linkage casing 2, and locate brushless motor device 3 in the main casing body 1, be equipped with in the main casing body 1 and be used for holding two brushless motor device 3's motor cavity 11, be equipped with drive spindle 21 on the linkage casing 2 to and linkage 22, linkage casing 2 with when main casing body 1 cooperates, two brushless motor device 3 output inserts in the linkage casing 2 and pass through linkage 22 drives drive spindle 21 rotates.

The embodiment of the utility model provides a parallel direct current motor driving device, which drives a driving main shaft to rotate through a linkage device through two brushless motor devices arranged in a main shell, so that the power is increased.

Further, as a preferred embodiment of the present invention, but not limited thereto, the linkage 22 includes a first gear 221 connected to the driving spindle 21, and a second gear 222 and a third gear 223 both engaged with the first gear 221, and the brushless motor device 3 includes a rotating shaft 3211, and the rotating shafts 3211 of the two brushless motor devices 3 are respectively engaged with the second gear 222 and the third gear 223.

Further, as a preferred embodiment of the present invention, but not limited thereto, the linkage housing 2 includes an upper housing 23 and a lower housing 24 covering the main housing 1, and the linkage 22 further includes main shaft bearings 224 respectively disposed at two ends of the driving main shaft 21, and a rotation shaft bearing 225 respectively disposed on the upper housing 23 and the lower housing 24 and into which the rotation shaft 3211 is inserted.

Further, as a preferred embodiment of the present invention, but not limited thereto, the brushless motor device 3 includes a housing 31, a motor device 32 provided in the housing 31, and a heat dissipation device 33 provided in the housing 31 for dissipating heat from the motor device 32.

The motor device is cooled through the cooling device, and the influence of heat on the service life of the motor device is reduced under the condition of improving the power of the motor device. This improves the ability of the side-by-side dc motor drive to operate at high power while improving stability and durability.

Further, as a preferred embodiment of the present disclosure, but not limited thereto, the motor device 32 includes a rotor assembly 321, the rotor assembly 321 includes the rotating shaft 3211, the heat dissipation device 33 includes a fan blade 331 disposed on the rotating shaft 3211, and the fan blade 331 and the rotating shaft 3211 rotate synchronously. The fan blades and the rotating shaft rotate synchronously, and the fan blades are driven to rotate by the power of the motor device, so that the motor device does not need to be additionally cooled by cooling equipment.

Further, as a preferred embodiment of the present invention, but not limited thereto, the motor device 32 includes a stator assembly 322, where the stator assembly 322 includes a stator punching set 3221, two coil insulation sleeves 3222 respectively inserted into the stator punching set 3221 from two ends of the stator punching set 3221, and a coil 3223 for winding the two coil insulation sleeves 3222 to be fixed on the stator punching set 3221. The coil makes two coil insulation cover fix on stator punching sheet group through twining two coil insulation cover, utilizes the coil winding to hold as the mode of fixing two coil insulation cover concurrently, makes stator module's simple structure, and the equipment is easy. And the using amount of the coil, namely the using amount of copper, is reduced, and the effect of saving the examination cost is achieved.

Further, as a preferred embodiment of the present invention, but not limited to, the rotor assembly 321 includes a magnet fixing sleeve 3212 disposed on the rotating shaft 3211, an ndfeb magnet 3213 engaged with the magnet fixing sleeve 3212, and an aluminum end plate 3214 for limiting the ndfeb magnet 3213 together with the magnet fixing sleeve 3212

Further, as a preferred embodiment of the present invention, but not limited thereto, the stator assembly 322 further includes a contact piece 3224 disposed on the coil insulation cover 3222 and in insertion fit with the coil insulation cover 3222. The motor device is a direct current motor which can be changed into direct current through a built-in circuit board, and the direct current is transmitted to the coil through the contact piece. The sawteeth are arranged on the two side edges of the contact piece matched with the coil insulation sleeve, and the connection firmness of the contact piece and the coil insulation sleeve is improved through the matching of the sawteeth and the coil insulation sleeve.

Further, as a preferred embodiment of the present invention, but not limited thereto, a cavity 32211 for inserting the coil insulation sleeve 3222 is disposed on the stator punching set 3221, and a slot 32212 penetrating through a side wall of the cavity 32211 is disposed. The slot makes the air have the function of elastic deformation for the coil insulation sleeve to insert. And also for winding the coil.

Further, as a preferred embodiment of the present invention, but not limited thereto, the housing 31 includes a housing cover 311, a housing 312 engaged with the housing cover 311 and configured to accommodate the motor device 32, and a dust cover 313 disposed between the housing cover 311 and the housing 312. The dust cover is used for blocking part of foreign matters sucked by the fan blades.

Further, as a preferred embodiment of the present invention, but not limited thereto, the rotor assembly 321 further includes a first bearing 3215 disposed on the housing 312, and a second bearing 3216 disposed between the housing cover 311 and the fan 331, wherein the first bearing 3215 and the second bearing 3216 are respectively located at two ends of the rotating shaft 3211. The double bearings make the rotating shaft more stable when rotating, and improve the stability of the parallel direct current motor driving device.

Further, as a preferred embodiment of the present invention, but not limited thereto, an air inlet 3111 is disposed on the housing cover 311, a through hole 3131 disposed corresponding to the fan blade 331 is disposed on the dust cover 313, an air outlet 3121 is disposed at the bottom of the housing 312, and the air inlet 3111 and the through hole 3131 are communicated with the air outlet 3121 to form a heat dissipation channel.

Further, as a preferred embodiment of the present invention, but not limited thereto, the dust cover 313 is provided with an arc 3132 that is gradually recessed from the outer circumference toward the center thereof, and the arc 3132 is recessed toward the motor device 32. The arc-shaped part is favorable for filtering foreign matters, avoids entering the motor device, and can also make wind concentrated and enhance wind pressure so as to achieve good heat dissipation effect.

The working principle of the embodiment is as follows:

the embodiment of the utility model provides a parallel direct current motor driving device, which is characterized in that a heat dissipation device is used for dissipating heat of a motor device, so that the influence of heat on the service life of the motor device is reduced under the condition of improving the power of the motor device. This improves the ability of the side-by-side dc motor drive to operate at high power while improving stability and durability.

The foregoing is illustrative of embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms set forth herein. Similar to the structure of the method, or several technical deductions or substitutions made on the premise of the conception of the present application, should be regarded as the protection scope of the present application.

Claims

1. Direct current motor drive arrangement side by side, its characterized in that: including main casing body (1), with main casing body (1) complex linkage casing (2), and locate brushless motor device (3) in main casing body (1), be equipped with in main casing body (1) and be used for holding two motor cavity (11) of brushless motor device (3), be equipped with drive main shaft (21) on linkage casing (2) to and aggregate unit (22), linkage casing (2) with when main casing body (1) cooperates, two brushless motor device (3) output inserts in linkage casing (2) and pass through aggregate unit (22) drives drive main shaft (21) rotate.

2. The side-by-side dc motor drive of claim 1, wherein: the linkage device (22) comprises a first gear (221) connected with the driving spindle (21), and a second gear (222) and a third gear (223) which are meshed with the first gear (221), the brushless motor device (3) comprises rotating shafts (3211), and the rotating shafts (3211) on the two brushless motor devices (3) are respectively matched with the second gear (222) and the third gear (223).

3. The side-by-side direct current motor drive apparatus according to claim 2, characterized in that: the linkage shell (2) comprises an upper shell (23) and a lower shell (24) covered with the main shell (1), the linkage device (22) further comprises main shaft bearings (224) respectively arranged at two ends of the driving main shaft (21), and rotary shaft bearings (225) respectively arranged on the upper shell (23) and the lower shell (24) and used for inserting the rotary shaft (3211).

4. The side-by-side direct current motor drive apparatus according to claim 2, characterized in that: the brushless motor device (3) comprises a shell (31), a motor device (32) arranged in the shell (31), and a heat dissipation device (33) arranged in the shell (31) and used for dissipating heat of the motor device (32).

5. The side-by-side direct current motor drive of claim 4, wherein: the motor device (32) comprises a rotor assembly (321), the rotor assembly (321) comprises the rotating shaft (3211), the heat dissipation device (33) comprises a fan blade (331) arranged on the rotating shaft (3211), and the fan blade (331) and the rotating shaft (3211) rotate synchronously.

6. The side-by-side direct current motor drive of claim 5, wherein: the motor device (32) comprises a stator assembly (322), wherein the stator assembly (322) comprises a stator punching sheet group (3221), two coil insulation sleeves (3222) which are respectively inserted into the stator punching sheet group (3221) from two ends of the stator punching sheet group (3221), and a coil (3223) which is used for winding the two coil insulation sleeves (3222) so as to be fixed on the stator punching sheet group (3221).

7. The side-by-side direct current motor drive of claim 5, wherein: the rotor subassembly (321) is including locating the fixed cover of magnet (3212) on rotation axis (3211), with the fixed cover of magnet (3212) complex neodymium iron boron magnetic steel (3213), and with the fixed cover of magnet (3212) is jointly right neodymium iron boron magnetic steel (3213) carry out spacing aluminium end plate (3214).

8. The side-by-side direct current motor drive of claim 5, wherein: the housing (31) comprises a housing cover (311), a housing (312) which is matched with the housing cover (311) and is used for accommodating the motor device (32), and a dustproof cover (313) which is arranged between the housing cover (311) and the housing (312).

9. The side-by-side dc motor drive of claim 8, wherein: the rotor assembly (321) further comprises a first bearing (3215) arranged on the housing (312) and a second bearing (3216) arranged between the housing cover (311) and the fan blade (331), wherein the first bearing (3215) and the second bearing (3216) are respectively located at two ends of the rotating shaft (3211).

10. The side-by-side dc motor drive of claim 8, wherein: be equipped with air intake (3111) on cap (311), be equipped with on shield (313) and correspond through-hole (3131) that fan blade (331) set up, casing (312) bottom is equipped with air outlet (3121), air intake (3111) through-hole (3131) with air outlet (3121) intercommunication is in order to form heat dissipation channel.