CN202083205U

CN202083205U - Roller supporting device

Info

Publication number: CN202083205U
Application number: CN2011201347482U
Authority: CN
Inventors: 程健光
Original assignee: FOSHAN SHUNDE DISTRICT ZHIZENG MACHINERY Co Ltd
Current assignee: Guangdong kohsho Energy Technology Co. Ltd.
Priority date: 2011-04-29
Filing date: 2011-04-29
Publication date: 2011-12-21
Anticipated expiration: 2021-04-29

Abstract

The utility model relates to a roller supporting device, which comprises a base and a pair of supporting legs fixed on the base, wherein each supporting leg comprises a mounting seat, a universal joint connected to the mounting seat and a roller in rotary connection with the universal joint through a bearing; a groove is arranged at the circumference of the roller; an annular guide rail is arranged on the outer surface of the roller close to the end; the guide rail is placed against the groove of the roller; the roller of the roller supporting device rotates along with the rotation of the roller and functions in bearing and reducing friction simultaneously so that the rotation of the roller is more smooth; the supporting leg has self-adaptive capability for possible position deviation of the guide rail caused by the rotation of the roller so as to prevent the roller and the guide rail from mutually extruding due to an insufficient fit clearance; simultaneously, the supporting device is arranged at the position of the roller close to the bottom so as to increase the area of a feeding port; therefore, the feeding and discharging operations are not blocked by the feeding port and the occupied space of a rack is reduced on the whole.

Description

A kind of idler device

Technical field

The utility model relates to a kind of supporting mechanism, more specifically, relates to a kind of idler device.

Background technology

Existing dryer to the support of cylinder normally based on a pair of long foot support near the cylinder end face, install a pair of central reinforced main shaft that is connected with cylinder additional by supporting-point and realize supporting cylinder at this long foot support, but the deficiency of this method is: owing to need not stop to rotate when food heat, the feeding mouth of cylinder must be arranged on end position, but the position that long foot support and relevant support component thereof more or less can stop feeding mouth in the above method, this makes the feeding mouth usable area of cylinder greatly reduce, so it is reinforced all very inconvenient with discharging, while is owing to cylinder props up the holding capacity position in position, cylinder axis, the continuous firing of this cylinder is easy to cause the distortion of central reinforced main shaft, influence the operate as normal of machine, in addition, all adopt the mode of long foot support also to increase the volume of frame at the cylinder two ends

The utility model content

The purpose of this utility model is exactly the customer service the deficiencies in the prior art, and a kind of idler device is provided, and adopts this supporting arrangement to make dryer more reasonable to the support of cylinder, has also avoided supporting arrangement stopping charging aperture simultaneously.

In order to achieve the above object, adopt following technical scheme:

A kind of idler device, comprise base and a pair of support foot that is fixed on the base, described support foot comprises mount pad, the roller that is connected in the Universal-head on the mount pad and is rotationally connected by bearing and Universal-head, described roller is provided with groove at circumference, described cylinder is provided with ring-shaped guide rail at the outer surface near the end, and guide rail is connected to the groove of roller.

As the preferred embodiment of guide rail and roller butt, described guide rail and and the circumference of roller groove on be respectively arranged with the intermeshing gear teeth.

Further, described support foot is symmetrically distributed in the both sides by the vertical guide of cylinder axis.

A nearlyer step ground, the support foot installing hole of described base is that support foot can be made linearly moving groove shape structure therein, described support foot flexibly connects by this installing hole and base.

Again further, described roller is a metal material.

As the preferred embodiment of roller material, described roller material is a stainless steel.

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

The roller that matches with the ring-shaped guide rail of cylinder surface is set on base, roller is rotated with the rotation of cylinder, the effect of playing load-bearing simultaneously and reducing friction, make the rotation of cylinder smooth more, support foot is installed roller by Universal-head can freely swing the support foot top, this design has adaptive ability to guide rail because of the possible position deviation that the cylinder rotation produces, and has avoided because of fit clearance mutual extrusion even stuck phenomenon taking place inadequately between roller and the guide rail; Simultaneously, supporting arrangement is arranged at the position of cylinder near the bottom, has increased the area of feeding mouth, make its operation that does not stop charging and discharging, also reduced the shared space of frame on the whole.

Description of drawings

Fig. 1 is the overall structure schematic diagram of idler device described in the utility model.

Fig. 2 is the partial schematic diagram of idler device described in the utility model.

Fig. 3 is for using the dryer stereogram of idler device described in the utility model.

Among the figure: the 1-base; The 11-installing hole; The 2-cylinder; The 21-guide rail; The 22-belt pulley; 23-central reinforced main shaft; 24-central reinforced bearing; The 3-support foot; The 31-roller; The 32-Universal-head; The 33-mount pad.

The specific embodiment

Referring to Fig. 1, idler device described in the utility model, comprise base 1 and a pair of support foot 3 that is fixed on the base, support foot 3 roller 31 that comprises mount pad 33, be connected in the Universal-head 32 on the mount pad 33 and be rotationally connected wherein by bearing and Universal-head 32, roller 31 is provided with groove at circumference, cylinder 2 is provided with ring-shaped guide rail 21 at the outer surface near the end, and this guide rail 21 is connected to the groove of roller 31; In order to make guide rail 21 and roller 31 that relative motions take place, guide rail 21 and and the circumference of roller 31 grooves on the intermeshing gear teeth can be set; In addition, support foot 3 is symmetrically distributed in the both sides by the vertical guide in cylinder 2 axle center, the support foot installing hole of base 1 is that support foot 3 can be made linearly moving groove shape structure therein, support foot 3 is by this installing hole 11 and corresponding bolt and base 1 flexible connection, wherein being provided with of this installing hole 11 can be regulated the distance of 3 of two support foots, and the axial line of cylinder 2 is horizontal as far as possible, more than in the device, roller 31 is a metal material, is preferably stainless steel.

Introduce the operation principle of idler device described in the utility model below with regard to following examples: referring to Fig. 2, Fig. 3, adopt the dryer of this idler device, its supporting part is made of two parts altogether, wherein adopt supporting arrangement described in the utility model at cylinder 2 charging apertures one end, be equipped with central reinforced bearing 24 and belt pulley 22 by support on the base 1 of cylinder 2 other ends, central reinforced main shaft 23 with cylinder 2 pin joints wherein is installed on the axial line of central reinforced bearing 24 and belt pulley 22, when dryer toasts, its power set drive belt pulley 5 by belt, the rotation of belt pulley 5 is by 31 uniform rotation of central reinforced main shaft 23 driving rolls, wherein central reinforced main shaft 23 has the function of transferring power on the one hand, has born the part weight of cylinder 2 on the other hand by central reinforced bearing 24; At close cylinder 2 charging apertures one end, because support foot 3 is positioned at cylinder 2 bottom positions, thereby guide rail 21 is passed to the gravity that support foot 3 has been offset cylinder 2 by the contact-making surface with roller 31 grooves with pressure, lasting rotation along with cylinder 2, because the effect of frictional force, roller 31 also can continue along with the rotation of cylinder 2 to rotate, it bears gravity on the one hand, reduced the frictional force in the drum movement process on the other hand, made the rotation of cylinder 2 more suitable sliding; Simultaneously, since the accuracy of manufacture is not enough or use in factors such as bump, cylinder 2 itself is not the circumferential body of absolute rule, so the spinning movement of cylinder 2 must cause the different azimuth of guide rail 21 and the position of roller contact point to have shift phenomenon, for this reason, idler device described in the utility model also support foot 3 is provided with Universal-head 32, this Universal-head 32 can about freely swing, this makes 3 pairs of displacements with upper rail 21 of support foot can play adaptive effect, has effectively avoided the infringement that both is caused because of mutual extrusion that the fit clearance between guide rail 21 and the roller 31 produces inadequately.

Should be appreciated that; the utility model institute protection domain is not limited to above specific embodiment, and all those skilled in the art of belonging to need not the modification based on the technical solution of the utility model and technological means that creative work can implement and all should fall within protection scope of the present invention.

Claims

1. idler device, comprise base and a pair of support foot that is fixed on the base, it is characterized in that, described support foot comprises mount pad, the roller that is connected in the Universal-head on the mount pad and is rotationally connected by bearing and Universal-head, described roller is provided with groove at circumference, and described cylinder is provided with ring-shaped guide rail at the outer surface near the end, and guide rail is connected to the groove of roller.

2. the idler device of dryer as claimed in claim 1 is characterized in that, described guide rail and and the circumference of roller groove on be respectively arranged with the intermeshing gear teeth.

3. the idler device of dryer as claimed in claim 1 is characterized in that, described support foot is symmetrically distributed in the both sides by the vertical guide of cylinder axis.

4. idler device as claimed in claim 1 is characterized in that, the support foot installing hole of described base is that support foot can be made linearly moving groove shape structure therein, and described support foot flexibly connects by this installing hole and base.

5. idler device as claimed in claim 1 is characterized in that, described roller is a metal material.

6. idler device as claimed in claim 5 is characterized in that, described roller material is a stainless steel.