CN212726729U

CN212726729U - Motor for packaging machine

Info

Publication number: CN212726729U
Application number: CN202021818341.7U
Authority: CN
Inventors: 孙泽林; 管加华
Original assignee: Wenzhou Shibo Electrical Appliance Technology Co ltd
Current assignee: Wenzhou Shibo Electrical Appliance Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-16
Anticipated expiration: 2030-08-26

Abstract

The utility model relates to a motor used on a packing machine, which comprises a motor shell, wherein a stator, a rotor and a motor shaft are arranged in the motor shell, the rotor is fixedly connected with the motor shaft, the stator is arranged outside the rotor, the stator is fixedly arranged on the inner side wall of the motor shell, a commutator is arranged on the motor shaft, a carbon brush which is contacted with the commutator is arranged on the outer side of the commutator, an elastic mechanism is arranged on the carbon brush to press the carbon brush on the outer side of the commutator, the front end of the motor shaft penetrates out of a motor front cover which is fixedly connected with an installation shell, the front end of the motor shaft comprises a worm section, a worm wheel which is meshed with the worm section is arranged on the lower side of the worm section, the worm section and the worm wheel are both arranged in the installation shell, a driving shaft which penetrates out of the installation shell is arranged on the worm, the torque is large, and the device is suitable for a packaging machine.

Description

Motor for packaging machine

Technical Field

The utility model relates to the technical field of electric machines, especially a motor for on packagine machine.

Background

The motor is an electromagnetic device which converts or transmits electric energy according to the law of electromagnetic induction, or converts one form of electric energy into another form of electric energy. An electric motor is commonly known as a motor for converting electric energy into mechanical energy.

The motor is usually adopted to drive the transmission of the roll shaft on the packaging machine, but because the rotating speed of the motor is high and the torque is small, a speed reducer is usually required to be arranged between the motor and the roll shaft for reducing the rotating speed, improving the torque, increasing the speed reducer, improving the input cost, and the speed reducer is not easy to install on the packaging machine.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor for on packagine machine, its rotational speed is low, and the torque is big, is applicable to packagine machine and uses, has solved the above-mentioned problem that exists in the use among the prior art.

The technical scheme of the utility model is realized like this: a motor for a packaging machine comprises a motor shell, wherein a motor front cover is arranged at the front end of the motor shell, a motor rear cover is arranged at the rear end of the motor shell, a stator, a rotor and a motor shaft are arranged in the motor shell, the rotor is fixedly connected with the motor shaft, the stator is arranged on the outer side of the rotor, the stator is fixedly arranged on the inner side wall of the motor shell, a commutator is arranged on the motor shaft and is arranged between the rotor and the motor rear cover, a carbon brush which is in contact with the commutator is arranged on the outer side of the commutator, an elastic mechanism is arranged on the carbon brush to tightly press the carbon brush on the outer side of the commutator, a first bearing is arranged on the motor rear cover, a second bearing is arranged on the motor front cover, the rear end of the motor shaft is arranged on the first bearing in a matched mode, the front end of the motor shaft is arranged on the first bearing, the motor is characterized in that the motor front cover is fixedly connected with an installation shell, the front end of the motor shaft comprises a worm section, a worm wheel meshed with the worm section is arranged on the lower side of the worm section, the worm section and the worm wheel are both arranged in the installation shell, and a driving shaft penetrating through the installation shell is arranged on the worm wheel.

Preferably, the mounting shell is provided with a first threaded hole at the front end of the worm section, the front end of the worm section is provided with a rotating connecting groove, the rotating connecting groove is rotatably connected with a rotating block, the rotating block extends into the first threaded hole, and a positioning block for fixing the rotating block is arranged in the first threaded hole.

Preferably, the positioning block is in threaded connection with the first threaded hole, the positioning block is provided with a matching groove, the positioning block is provided with a first screw rod in the matching groove, the rotating block is in clearance fit with the matching groove, the front end of the rotating block is provided with a second threaded hole, and the first screw rod is fixedly connected with the second threaded hole.

Preferably, the outer wall of the motor shaft is provided with at least four heat dissipation grooves, and the heat dissipation grooves are axially arranged at the positions where the rotor and the commutator are installed.

Preferably, the motor shaft is provided with fan blades, and the fan blades are arranged between the rotor and the motor front cover.

Preferably, the elastic mechanism comprises a threaded column, a spring and a cover body, a third threaded hole is formed in the motor shell, the threaded column is fixedly connected into the third threaded hole, the inner end of the threaded column faces the commutator, a hollow inner cavity is formed in the threaded column, the carbon brush is arranged on the hollow inner cavity, the cover body is in threaded connection with the outer end of the threaded column, and the spring is arranged between the cover body and the carbon brush.

Preferably, the mounting shell is provided with three fixing lugs.

To sum up, the beneficial effects of the utility model reside in that:

1. the utility model discloses a set the front end of motor shaft into the worm section, and be equipped with the worm wheel that meshes mutually with it on the downside of worm section, it rotates to drive the worm wheel through the rotation of motor shaft, and be equipped with the drive shaft on the worm wheel, the drive shaft can be connected with will carrying out the pivoted roller, it rotates to drive the worm wheel through the epaxial worm section of motor, can reduce the rotational speed, increase torque, be applicable to the packagine machine and use, foretell worm section all sets up in the installation casing with the worm wheel, the installation casing is connected with the motor protecgulum, be equipped with three fixed ear on the installation casing, the convenience is fixed on packagine machine with its installation.

2. Through being equipped with the turning block at worm section front end to be equipped with in first screw hole and be used for carrying out the locating piece that fixes the turning block, this structure can strengthen worm section pivoted stability.

3. The radiating groove on the outer wall of the motor shaft can improve the radiating capacity, heat generated on the rotor and the commutator can be discharged, and the fan blades are added on the motor shaft, so that the fan blades start to rotate when the motor shaft rotates, wind of the fan blades blows to the rotor and the radiating groove, and reaches the commutator through the radiating groove.

4. The carbon brush is arranged on the hollow inner cavity of the threaded column, and the spring is arranged between the cover body and the carbon brush and used for pressing the carbon brush on the commutator, so that the structure is convenient for disassembling and replacing the carbon brush.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a front view of the present invention.

In the figure: 1. a motor housing; 2. a motor front cover; 3. a motor rear cover; 4. a stator; 5. a rotor; 6. a motor shaft; 7. a commutator; 8. a carbon brush; 9. a first bearing; 10. a second bearing; 11. installing a shell; 12. a worm section; 13. a worm gear; 14. a drive shaft; 15. a first threaded hole; 16. rotating the connecting groove; 17. rotating the block; 18. positioning blocks; 19. a mating groove; 20. a first screw; 21. a second threaded hole; 22. a heat sink; 23. a fan blade; 24. a threaded post; 25. a spring; 26. a cover body; 27. a third threaded hole; 28. a hollow interior cavity; 29. and fixing the ears.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 3 of 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 efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1 to 3, the utility model discloses a motor for a packaging machine, which comprises a motor housing 1, wherein a motor front cover 2 is arranged at the front end of the motor housing 1, a motor rear cover 3 is arranged at the rear end of the motor housing 1, a stator 4, a rotor 5 and a motor shaft 6 are arranged in the motor housing 1, the rotor 5 is fixedly connected with the motor shaft 6, the stator 4 is arranged at the outer side of the rotor 5, the stator 4 is fixedly arranged on the inner side wall of the motor housing 1, a commutator 7 is arranged on the motor shaft 6, the commutator 7 is arranged between the rotor 5 and the motor rear cover 3, a carbon brush 8 which is in contact with the commutator 7 is arranged on the outer side of the commutator 7, an elastic mechanism is arranged on the carbon brush 8 to press the carbon brush on the outer side of the commutator 7, a first bearing 9 is arranged on the motor rear cover 3, and a second bearing 10 is, the rear end of the motor shaft 6 is arranged on the first bearing 9 in a matching way, the front end of the motor shaft 6 is arranged on the first bearing 9 in a matching way and penetrates out of the motor front cover 2, the motor front cover 2 is fixedly connected with an installation shell 11, the front end of the motor shaft 6 comprises a worm section 12, a worm wheel 13 meshed with the worm section 12 is arranged on the lower side of the worm section 12, the worm section 12 and the worm wheel 13 are both arranged in the installation shell 11, a driving shaft 14 penetrating out of the installation shell 11 is arranged on the worm wheel 13, three fixing lugs 29 are arranged on the installation shell 11, the front end of the motor shaft 6 is arranged into the worm section 12, the worm wheel 13 meshed with the worm section 12 is arranged on the lower side of the worm section 12, the worm wheel 13 is driven to rotate by the rotation of the motor shaft 6, the driving shaft 14 is arranged on the worm wheel 13, and the driving shaft 14 can be connected with a packaging machine which is required to, the worm section 12 on the motor shaft 6 drives the worm wheel 13 to rotate, so that the rotating speed can be reduced, the torque can be increased, and the motor shaft is suitable for being used by a packaging machine.

As shown in fig. 2, in order to enhance the stability of the worm section 12 during rotation, the mounting housing 11 is provided with a first threaded hole 15 at the front end of the worm section 12, a rotation connection groove 16 is provided at the front end of the worm section 12, a rotation block 17 is rotatably connected to the rotation connection groove 16, the rotation block 17 extends into the first threaded hole 15, a positioning block 18 for fixing the rotation block 17 is arranged in the first threaded hole 15, wherein the positioning block 18 is screwed in the first threaded hole 15, a fitting groove 19 is provided on the positioning block 18, the positioning block 18 is provided with a first screw 20 in the fitting groove 19, the rotation block 17 is clearance-fitted in the fitting groove 19, a second threaded hole 21 is provided at the front end of the rotation block 17, the first screw 20 is fixedly connected in the second threaded hole 21, the structure is stable and reliable, and stable and reliable, by providing the rotation block 17 at the front end of the worm section 12, and the rotating block 17 is fixed on the positioning block 18, so that the stability of the worm section 12 during rotation can be enhanced.

In order to strengthen the heat-dissipating ability in the utility model, be equipped with four at least radiating grooves 22 on the outer wall of motor shaft 6, radiating grooves 22 are the axial setting on the position that rotor 5 and commutator 7 installed, and be equipped with flabellum 23 on the motor shaft 6, flabellum 23 sets up between rotor 5 and motor protecgulum 2, and when motor shaft 6 rotated, flabellum 23 just also began to rotate, and the wind of flabellum 23 blows to rotor 5, also blows to radiating grooves 22, reachs commutator 7 through radiating grooves 22, and this structure is favorable to promoting the inside air flow of motor, does benefit to the motor heat dissipation, increases the life of motor.

The elastic mechanism comprises a threaded column 24, a spring 25 and a cover body 26, a third threaded hole 27 is formed in the motor shell 1, the threaded column 24 is fixedly connected into the third threaded hole 27, the inner end of the threaded column 24 faces the commutator 7, a hollow inner cavity 28 is formed in the threaded column 24, the carbon brush 8 is arranged on the hollow inner cavity 28, the cover body 26 is in threaded connection with the outer end of the threaded column 24, the spring 25 is arranged between the cover body 26 and the carbon brush 8, the carbon brush 8 is arranged on the hollow inner cavity 28 of the threaded column 24, the spring 25 is arranged between the cover body 26 and the carbon brush 8 and used for pressing the carbon brush 8 onto the commutator 7, and the structure is convenient for dismounting and replacing the carbon brush 8.

The utility model that should point out simultaneously indicates the terminology, like: the directional or positional relationships indicated as "front", "rear", "vertical", "horizontal", etc. are based on the directional or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric motor for packaging machines, comprising a motor casing (1), characterized in that: the motor comprises a motor shell (1), a motor front cover (2) is arranged at the front end of the motor shell (1), a motor rear cover (3) is arranged at the rear end of the motor shell (1), a stator (4), a rotor (5) and a motor shaft (6) are arranged in the motor shell (1), the rotor (5) is fixedly connected with the motor shaft (6), the stator (4) is arranged on the outer side of the rotor (5), the stator (4) is fixedly arranged on the inner side wall of the motor shell (1), a commutator (7) is arranged on the motor shaft (6), the commutator (7) is arranged between the rotor (5) and the motor rear cover (3), a carbon brush (8) which is in contact with the commutator (7) is arranged on the outer side of the commutator (7), an elastic mechanism is arranged on the carbon brush (8) to tightly press the carbon brush on the outer side of the commutator (7), and a first bearing (9) is, the motor is characterized in that a second bearing (10) is arranged on the motor front cover (2), the rear end of the motor shaft (6) is arranged on the first bearing (9) in a matched mode, the front end of the motor shaft (6) is arranged on the first bearing (9) in a matched mode and penetrates through the motor front cover (2), an installation shell (11) is fixedly connected onto the motor front cover (2), the front end of the motor shaft (6) comprises a worm section (12), a worm wheel (13) meshed with the worm section is arranged on the lower side of the worm section (12), the worm section (12) and the worm wheel (13) are both arranged in the installation shell (11), and a driving shaft (14) penetrating through the installation shell (11) is arranged on the worm wheel (13).

2. The motor for a packaging machine of claim 1, wherein: the mounting shell (11) is provided with a first threaded hole (15) in the front end of the worm section (12), a rotating connecting groove (16) is formed in the front end of the worm section (12), a rotating block (17) is connected in the rotating connecting groove (16) in a rotating mode, the rotating block (17) extends into the first threaded hole (15), and a positioning block (18) used for fixing the rotating block (17) is arranged in the first threaded hole (15).

3. The motor for a packaging machine of claim 2, wherein: locating piece (18) threaded connection is in first screw hole (15), it has cooperation groove (19) to open on locating piece (18), locating piece (18) are equipped with first screw rod (20) in cooperation groove (19), turning block (17) clearance fit is in cooperation groove (19), it has second screw hole (21) to open on the front end of turning block (17), first screw rod (20) fixed connection is in second screw hole (21).

4. The motor for a packaging machine of claim 1, wherein: the motor is characterized in that at least four heat dissipation grooves (22) are formed in the outer wall of the motor shaft (6), and the heat dissipation grooves (22) are axially formed in the positions where the rotor (5) and the commutator (7) are installed.

5. The motor for a packaging machine of claim 4, wherein: the motor shaft (6) is provided with fan blades (23), and the fan blades (23) are arranged between the rotor (5) and the motor front cover (2).

6. The motor for a packaging machine of claim 1, wherein: elastic mechanism is including screw post (24), spring (25) and lid (26), it has third screw hole (27) to open on motor casing (1), screw post (24) fixed connection is in third screw hole (27), the inner of screw post (24) is towards commutator (7), states to open on screw post (24) and has cavity inner chamber (28), carbon brush (8) set up on cavity inner chamber (28), lid (26) threaded connection is on the outer end of screw post (24), spring (25) set up between lid (26) and carbon brush (8).

7. The motor for a packaging machine of claim 1, wherein: three fixing lugs (29) are arranged on the mounting shell (11).