CN210147841U

CN210147841U - Roller mechanism

Info

Publication number: CN210147841U
Application number: CN201920928254.8U
Authority: CN
Inventors: 傅鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-03-17
Anticipated expiration: 2029-06-19

Abstract

The utility model provides a roller mechanism, including fixed beam, horizontally abnormal shape guide rail, sliding block, with first abnormal shape roller train, the eccentric shaft that the abnormal shape guide rail matches, first abnormal shape roller train comprises a plurality of abnormal shape gyro wheel, eccentric shaft, first abnormal shape gyro wheel passes through the eccentric shaft and installs on the sliding block, horizontally abnormal shape guide rail is installed on the fixed beam, the sliding block is through first abnormal shape roller train slidable mounting on horizontally abnormal shape guide rail. The utility model discloses a distance between heterotypic gyro wheel and the heterotypic guide rail is adjusted to gyro wheel mechanism accessible eccentric shaft, realizes the fastening effect to gyro wheel mechanism, avoids because gyro wheel wearing and tearing lead to gyro wheel mechanism easily to take place to rock, solves among the prior art because wearing and tearing between linear guide and the slider, need a whole set of problem of changing slide mechanism.

Description

Roller mechanism

Technical Field

The utility model relates to a roller mechanism especially relates to a roller mechanism who comprises a plurality of V type wheels.

Background

Refiners are an important industrial facility and are used in wood processing. Current refiner mainly adopts the motor to drive the position of sandblast head, make the plank top reciprocating motion sandblast of sandblast head, what present trade the inside was used all is linear guide and slider cooperation as the guide structure of back and forth movement, and can have the dust in sandblast trade the inside, also there is the sand grain in the dust the inside simultaneously, the wearing and tearing that the guide rail slider can be accelerated on the guide rail slider are attached to the sand grain, guide rail slider produces the clearance when wearing and tearing back, self can not adjust, can only whole set of change, seriously influence production efficiency like this and aggravate the maintenance cost of equipment

SUMMERY OF THE UTILITY MODEL

The utility model provides a roller mechanism to at least, solve among the prior art because wearing and tearing between linear guide and the slider, need a whole set of problem of changing.

The utility model provides a roller mechanism, including fixed beam, horizontally abnormal shape guide rail, sliding block, with first abnormal shape roller train, the eccentric shaft that the abnormal shape guide rail matches, first abnormal shape roller train comprises a plurality of abnormal shape gyro wheel, eccentric shaft, the abnormal shape gyro wheel passes through the eccentric shaft and installs on the sliding block, horizontally abnormal shape guide rail is installed on the fixed beam, the sliding block is through first abnormal shape roller train slidable mounting on horizontally abnormal shape guide rail.

Further, the eccentricity of the eccentric shaft is 2-4 mm.

Further, the special-shaped guide rail is a V-shaped guide rail, the first special-shaped roller group is a first V-shaped roller group, and the special-shaped roller is a V-shaped roller.

Furthermore, the horizontal V-shaped guide rail comprises a first V-shaped rail and a second V-shaped rail, the first V-shaped rail is parallel to the second V-shaped rail, the guide surfaces of the first V-shaped rail and the second V-shaped rail face opposite directions, the roller mechanism further comprises a second V-shaped roller set, the second V-shaped roller set is composed of a plurality of V-shaped rollers, the V-shaped rollers of the second V-shaped roller set are fixedly connected with the sliding block through concentric shafts or eccentric shafts, and the first V-shaped roller set and the second V-shaped roller set are respectively connected with the guide surfaces of the first V-shaped rail and the second V-shaped rail.

Furthermore, the roller mechanism further comprises a third roller group, the third roller group is composed of a plurality of rollers, the rollers of the third roller group are fixedly connected with the sliding block through concentric shafts or eccentric shafts, and the rollers of the third roller group are connected with the back rail surface of the first V-shaped rail or the second V-shaped rail.

Further, the roller mechanism further comprises a lifting device, and the lifting device is connected with the fixed beam.

Furthermore, the lifting device comprises a ball screw and a positioning plate, the positioning plate is connected with the fixed beam, and the positioning plate is installed on the ball screw.

Furthermore, the lifting device further comprises a motor and a transmission belt, wherein a gear is arranged at one end of the ball screw and is meshed with the transmission belt, and a transmission end of the motor is meshed with the transmission belt.

Compared with the prior art, the utility model, adopted V rail and V gyro wheel, this kind of structure can self clear up the grains of sand dust that attaches on the guide rail. Simultaneously, after guide rail back and forth movement produced wearing and tearing a period, the utility model discloses an eccentric structure on the V gyro wheel can adjust, makes the interval between heterotypic guide rail and the heterotypic roller train adjustable, when the heterotypic gyro wheel leads to wearing and tearing owing to long-time the use, makes the heterotypic gyro wheel be close to heterotypic guide rail surface through the eccentric shaft, ensures that the tight joint of heterotypic gyro wheel is on the heterotypic guide rail, has avoided rocking of gyro wheel mechanism, prolongs the life of heterotypic gyro wheel, reduces gyro wheel mechanism's use cost.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a V-shaped roller and an eccentric shaft according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a lifting device according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a roller mechanism according to an embodiment of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The embodiment of the utility model discloses gyro wheel mechanism, as shown in fig. 1, fig. 2, including fixed beam 5, horizontally heterotypic guide rail 2, sliding block 1, with first heterotypic roller train, the eccentric shaft 311 that heterotypic guide rail 2 matches, first heterotypic roller train comprises a plurality of heterotypic gyro wheel 31, eccentric shaft 311, heterotypic gyro wheel 31 is installed on sliding block 1 through eccentric shaft 311, horizontally heterotypic guide rail 2 is installed on fixed beam 5, sliding block 1 is through first heterotypic roller train slidable mounting on horizontally heterotypic guide rail 2.

Alternatively, as shown in fig. 1 and 2, the eccentricity of the eccentric shaft 311 is 2-4 mm.

Optionally, as shown in fig. 1 and 2, the special-shaped guide rail 2 is a V-shaped guide rail, the first special-shaped roller group is a first V-shaped roller group, and the special-shaped roller 31 is a V-shaped roller 31.

Specifically, as shown in fig. 1 and 2, the horizontal V-shaped guide rail includes a first V-shaped rail 21 and a second V-shaped rail 22, the first V-shaped rail 21 is parallel to the second V-shaped rail 22, the guide surfaces of the first V-shaped rail 21 and the second V-shaped rail 22 face opposite directions, the roller mechanism further includes a second V-shaped roller set, the second V-shaped roller set includes a plurality of V-shaped rollers 32, the V-shaped rollers 32 of the second V-shaped roller set are fixedly connected to the sliding block 1 through a concentric shaft or an eccentric shaft, and the first V-shaped roller set and the second V-shaped roller set are respectively connected to the guide surfaces of the first V-shaped rail 21 and the second V-shaped rail 22.

Particularly, as shown in fig. 1 and 2, the roller mechanism further includes a third roller set, the third roller set is composed of a plurality of rollers 33, the rollers 33 of the third roller set are fixedly connected to the sliding block 1 through concentric shafts or eccentric shafts, and the rollers 33 of the third roller set are connected to the back rail surface of the first V-shaped rail or the second V-shaped rail.

Wherein, as shown in fig. 1 and fig. 2, in the embodiment of the present invention, the second V-shaped roller set is composed of two V-shaped rollers 32, the V-shaped rollers 32 are fixedly connected to the sliding block 1 through concentric shafts, the third roller set is composed of two circular rollers 33, the roller 33 of the third roller set is fixedly connected to the sliding block 1 through the eccentric shaft 311, the first V-shaped roller set is connected to the guide surface of the first V-shaped rail 21, the second V-shaped roller set is connected to the guide surface of the second V-shaped rail 22, and the roller 33 of the third roller set is connected to the back rail surface of the second V-shaped rail 22 (one side of the second V-shaped rail 22 far from the guide surface). The second V-shaped roller set matches with the third roller set to form a clamping structure for the second V-shaped rail 22.

As shown in fig. 1, the sliding block 1 is composed of a roller plate 11 and a sliding plate 12, and the V-shaped roller and the circular roller are mounted on the roller plate 11 through a gland 34 and a hexagon nut 35.

When the installation is carried out, the distance between the surface and the axis of the V-shaped roller 31 is large because the V-shaped roller 31 is not worn, and the worker needs to adjust the eccentric shaft 311 to make the axis of the V-shaped roller 31 far away from the guide surface of the V-shaped guide rail 2, so as to ensure that the distance between the V-shaped rollers is large enough, and the V-shaped guide rail 2 can be installed between the V-shaped rollers.

In the use, if V type gyro wheel 31 is because long-time sliding wear, lead to V type gyro wheel 31 and V type guide rail 2's guide rail surface to produce the clearance, the user can be through the adjustment to eccentric shaft 311 this moment, make the lower partial structure of eccentric shaft 311 can drive V type gyro wheel 31 and rotate to V type guide rail 2, make V type gyro wheel 31 closely laminate with the guide rail surface once more, avoid rocking of gyro wheel mechanism.

The embodiment of the utility model provides an adopted V rail and V gyro wheel, this kind of structure can self clear up the grains of sand dust that attaches on the guide rail. Simultaneously, after guide rail back and forth movement produces wearing and tearing a period, the utility model discloses eccentric structure on the V gyro wheel can adjust, make the interval between V type guide rail and the V type roller train adjustable, when the V type gyro wheel leads to wearing and tearing owing to long-time the use, make the V type gyro wheel be close to V type guide rail surface through the eccentric shaft, ensure the tight joint of V type gyro wheel on V type guide rail, avoided rocking of gyro wheel mechanism, the life of extension V type gyro wheel, compare in prior art, the whole set of structure of having avoided guide rail and slider is changed, reduce the use cost of gyro wheel mechanism.

Optionally, as shown in fig. 3 and 4, the roller mechanism further includes a lifting device, and the lifting device is connected to the fixed beam 5.

Specifically, as shown in fig. 3 and 4, the lifting device includes a ball screw 41 and a positioning plate 42, the positioning plate 42 is connected to the fixed beam 5, and the positioning plate 42 is mounted on the ball screw 41.

Specifically, as shown in fig. 3 and 4, the lifting device further includes a motor 43 and a transmission belt 44, a gear 411 is disposed at one end of the ball screw 41, the gear 411 is engaged with the transmission belt 44, and a transmission end of the motor 43 is engaged with the transmission belt 44.

As shown in fig. 3 and 4, ball screws 41 are disposed on both sides of the fixed beam 5, and a motor 43 can drive the ball screws 41 to rotate simultaneously through a transmission belt 44, so that the positioning plates 42 can be lifted or lowered simultaneously.

The embodiment of the utility model provides a through adopting elevating gear, can the height of fixed roof beam of effective control. Furthermore, the embodiment of the utility model provides a through adopting motor, drive belt, ball screw, make the motor can drive the height of locating plate on each ball screw simultaneously, realize the effective control to the fixed beam height.

It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, it should be understood by those skilled in the art that after reading the present specification, the technical personnel can still modify or equivalently replace the specific embodiments of the present invention, but these modifications or changes do not depart from the scope of the claims of the present application.

Claims

1. The roller mechanism is characterized by comprising a fixed beam, a horizontal special-shaped guide rail, a sliding block, a first special-shaped roller set matched with the special-shaped guide rail and an eccentric shaft, wherein the first special-shaped roller set is composed of a plurality of special-shaped rollers and the eccentric shaft, the special-shaped rollers are installed on the sliding block through the eccentric shaft, the horizontal special-shaped guide rail is installed on the fixed beam, and the sliding block is installed on the horizontal special-shaped guide rail through the first special-shaped roller set in a sliding mode.

2. The roller mechanism of claim 1, wherein the eccentric shaft has an eccentricity of 2-4 mm.

3. The roller mechanism of claim 1, wherein the profiled rail is a V-shaped rail, the first profiled roller set is a first V-shaped roller set, and the profiled roller is a V-shaped roller.

4. The roller mechanism of claim 3, wherein the horizontal V-shaped guide rail comprises a first V-shaped rail and a second V-shaped rail, the first V-shaped rail is parallel to the second V-shaped rail, the guide surfaces of the first V-shaped rail and the second V-shaped rail face oppositely, the roller mechanism further comprises a second V-shaped roller set, the second V-shaped roller set comprises a plurality of V-shaped rollers, the V-shaped rollers of the second V-shaped roller set are fixedly connected with the sliding block through concentric shafts or eccentric shafts, and the first V-shaped roller set and the second V-shaped roller set are respectively connected with the guide surfaces of the first V-shaped rail and the second V-shaped rail.

5. The roller mechanism of claim 4, further comprising a third roller set, wherein the third roller set comprises a plurality of rollers, the rollers of the third roller set are fixedly connected with the sliding block through concentric shafts or eccentric shafts, and the rollers of the third roller set are connected with the back rail surface of the first V-shaped rail or the second V-shaped rail.

6. The roller mechanism of claim 1 further comprising a lifting device coupled to the fixed beam.

7. The roller mechanism of claim 6 wherein said elevator assembly includes a ball screw, a positioning plate, said positioning plate being connected to the fixed beam, said positioning plate being mounted on the ball screw.

8. The roller mechanism of claim 7, wherein the lifting device further comprises a motor and a transmission belt, wherein a gear is disposed at one end of the ball screw, the gear is engaged with the transmission belt, and a transmission end of the motor is engaged with the transmission belt.