CN214946464U - Warming mill power transmission device - Google Patents

Abstract

The utility model discloses a heating roller power transmission device, which comprises a roller, wherein a main shaft is inserted into the roller in a clearance fit way, and the inner part of the roller is provided with a gear ring fixedly connected with the roller, the position of the main shaft corresponding to the gear ring is provided with a speed reducing structure which can be matched with the gear ring, one end of the main shaft is provided with a motor for driving the main shaft to rotate, the roller type heat insulation device also comprises a heat insulation inner cylinder concentric with the roller, two ends of the heat insulation inner cylinder are fixedly connected on the inner wall of the end part of the roller, and the heating element is arranged outside the circumference of the heat insulation inner cylinder, the gear ring is fixedly connected on the inner wall of the heat insulation inner cylinder, the speed reducing structure is arranged inside the roller, the whole occupied space of the heating roller and the speed reducing structure after being assembled is ensured to be small, the heating roller is suitable for being used in small space, the heat insulation inner cylinder is arranged, so as to separate the decelerating structure from the heating element and avoid overheating of the decelerating structure caused by heat conduction from the heating element to the decelerating structure.

Description

Warming mill power transmission device

Technical Field

The utility model relates to a warming mill technical field specifically is a warming mill power transmission device.

Background

The power transmission device of the heating roller generally adopts a speed reduction structure to reduce the speed of the motor, and then drives the heating roller to rotate after speed reduction, the speed reduction structure is generally arranged at one end of the heating roller, and a gear or a belt is used, but the mode occupies large external space and is not suitable for being used in small space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a warming mill power transmission device to solve among the prior art reduction structure and generally install the one end at the warming mill, use the gear or the belt, but this kind of mode occupies external space big, at the unsuitable problem of using of little space.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a warming mill power transmission device, includes the roller, the inside clearance fit of roller inserts the main shaft, and the inside of roller is equipped with the ring gear with the roller rigid coupling, the position that corresponds with the ring gear on the main shaft is equipped with can with ring gear complex speed reduction structure.

Preferably, the speed reducing structure comprises a sun gear fixed on the main shaft and a planetary gear meshed outside the sun gear, and the gear ring is meshed with the planetary gear.

Preferably, a planetary gear carrier is connected between the planetary gears on the same side, a through hole is formed in the position, corresponding to the main shaft, of the planetary gear carrier, and the main shaft is in clearance fit with the through hole.

Preferably, the two ends of the roller are provided with convex mouths, the main shaft penetrates through the convex mouths, and the main shaft is in clearance fit with the convex mouths.

Preferably, one end of the main shaft is provided with a motor for driving the main shaft to rotate.

Preferably, the heat insulation device further comprises a heat insulation inner cylinder concentric with the roller, two ends of the heat insulation inner cylinder are fixedly connected to the inner wall of the end portion of the roller, a heating element is arranged outside the circumference of the heat insulation inner cylinder, and the gear ring is fixedly connected to the inner wall of the heat insulation inner cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the speed reducing structure is arranged inside the roller, so that the space occupied by the speed reducing box outside the heating roller can be ensured when the speed reducing structure is assembled, the whole occupied space of the heating roller and the speed reducing structure after the heating roller is assembled is small, and the speed reducing structure is suitable for being used in a small space;

2. the utility model discloses thermal-insulated inner tube has been set up to part speed reduction structure and heating element, avoid heating element's heat conduction to the overheated condition of speed reduction structure that leads to on the speed reduction structure.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line a-a of FIG. 1;

fig. 3 is an installation diagram of the present invention.

In the figure: 1. a roller; 101. a convex nozzle; 2. an inner heat insulation cylinder; 3. a heating element; 4. a main shaft; 5. a motor; 6. a sun gear; 7. a planetary gear; 8. a ring gear; 10. a planet carrier; 11. a first bearing housing; 12. and a second bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, in an embodiment of the present invention, a power transmission device for a heating roller includes a roller 1, in order to enable the roller 1 to rotate, a spindle 4 is inserted into the roller 1, but the spindle 4 and the roller 1 are in clearance fit, and the spindle and the roller do not directly contact with the roller 1, and an internal reserved space of the roller 1 is used as an installation space of a transmission speed reduction mechanism of the heating roller, and the internal space of the heating roller is used as a mechanism installation place, so that an external space can be saved;

with reference to fig. 1 and 2, in order to enable the roller 1 to rotate, in this embodiment, a gear ring 8 is preferably fixedly connected inside the roller 1, a speed reducing structure capable of being matched with the gear ring 8 is arranged on a position, corresponding to the gear ring 8, of the spindle 4, and when the spindle 4 drives the speed reducing structure to operate, the speed reducing structure can drive the roller 1 to rotate through the gear ring 8, so that the speed reducing rotation of the roller 1 is realized;

continuing to refer to fig. 1 and fig. 2, when in specific use, the roller 1 needs to generate heat, and the roller 1 generates more heat after generating heat, in order to avoid the heat being directly transmitted to the gear ring 8 and the speed reduction structure, in this embodiment, a heat insulation inner cylinder 2 capable of insulating heat is arranged inside the roller 1, two ends of the heat insulation inner cylinder 2 are fixedly connected to the inner wall of the end part of the roller 1 to position the position of the heat insulation inner cylinder 2 inside the roller 1, and the gear ring 8 is fixedly connected to the inner wall of the heat insulation inner cylinder 2, so that when the gear ring 8 drives the heat insulation inner cylinder 2 to rotate, the roller 1 can be indirectly driven to rotate;

as shown in fig. 1, in order to make the roller 1 generate heat, a heating element 3 is arranged outside the circumference of the heat insulation inner cylinder 2 (of course, the heating element 3 can also be directly fixed on the inner wall of the roller 1, and is installed on the heat insulation inner cylinder 3 mainly for convenience of installation), the heating element 3 generates heat, and can conduct the heat to the roller 1, so that the roller 1 can be heated;

as shown in fig. 2, in this embodiment, in order to make the deceleration effect of the deceleration structure better, a planetary deceleration method is adopted, in which a sun gear 6 is fixedly connected to the main shaft 4, a planetary gear 7 is engaged with the outer side of the sun gear, and a ring gear 8 is engaged with the planetary gear 7, so that when the main shaft 4 drives the sun gear 6 to rotate, the sun gear 6 can drive the planetary gear 7 to rotate and simultaneously revolve, and further the planetary gear 7 can drive the ring gear 8 to rotate, thereby realizing the rotation of the whole heat-insulating inner cylinder 2 and the roller 1;

in order to ensure the stability of the planetary gears 7 during rotation, a planetary carrier 10 is connected between the planetary gears 7 on the same side, so that the planetary gears 7 can move stably, and in order to prevent the planetary carrier 10 from blocking the rotation of the main shaft 4, a through hole is formed in the position, corresponding to the main shaft 4, of the planetary carrier 10, and the main shaft 4 is in clearance fit with the through hole to ensure the smooth rotation of the main shaft 4;

as shown in fig. 3, the rotation of the main shaft 4 requires a driving member, which is a motor, the motor is located at one end of the main shaft 4, and when the main shaft 4 is installed, the two ends of the motor should be installed with the second bearing seats 12, so that the main shaft 4 can be supported to facilitate the stable rotation of the main shaft 4;

with continued reference to fig. 3, in order to ensure the stability of the rotation of the roller 1, the two ends of the roller 1 are provided with the protruding mouths 101, the first bearing seats 11 should be installed on the protruding mouths 101, and the first bearing seats 11 lock the main shaft 4 to pass through the protruding mouths 101 with clearance fit, so as to avoid the contact between the two and reduce the abrasion between the two.

The utility model discloses a theory of operation and use flow: when the device is used, the device is installed according to the mode shown in fig. 3, the heating element 3 is electrified to heat, then the motor 5 drives the spindle 4 to rotate, the spindle 4 drives the sun gear 6 to rotate, the sun gear 6 rotates to drive the planetary gear 7 to revolve while rotating, then the planetary gear 7 drives the sun gear 6 to rotate at the revolution speed of the planetary gear 7, further the speed reduction from the spindle 4 to the gear ring 8 is realized, and the gear ring 8 after speed reduction can drive the heat insulation inner cylinder 2 and the roller 1 to rotate.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a warming mill power transmission device, includes roller (1), its characterized in that: the inner clearance fit of the roller (1) is inserted with a main shaft (4), a gear ring (8) fixedly connected with the roller (1) is arranged in the roller (1), and a speed reducing structure matched with the gear ring (8) is arranged at a position on the main shaft (4) corresponding to the gear ring (8).

2. The heating roller power transmission device according to claim 1, characterized in that: the speed reducing structure comprises a sun gear (6) fixedly connected to the main shaft (4) and a planetary gear (7) meshed with the outer side of the sun gear (6), and the gear ring (8) is meshed with the planetary gear (7).

3. The heating roller power transmission device according to claim 2, characterized in that: a planet wheel carrier (10) is connected between the planet gears (7) on the same side, a through hole is formed in the position, corresponding to the main shaft (4), of the planet wheel carrier (10), and the main shaft (4) is in clearance fit with the through hole.

4. The heating roller power transmission device according to claim 1, characterized in that: the two ends of the roller (1) are provided with convex mouths (101), the main shaft (4) penetrates through the convex mouths (101), and the main shaft (4) is in clearance fit with the convex mouths (101).

5. The heating roller power transmission device according to claim 1, characterized in that: and one end of the main shaft (4) is provided with a motor (5) for driving the main shaft (4) to rotate.

6. The heating roller power transmission device according to claim 1, characterized in that: still include with roller (1) concentric thermal-insulated inner tube (2), the both ends rigid coupling of thermal-insulated inner tube (2) is on the tip inner wall of roller (1), and the circumference outside of thermal-insulated inner tube (2) is equipped with heating element (3), ring gear (8) rigid coupling is on the inner wall of thermal-insulated inner tube (2).

Images