CN112407824A

CN112407824A - Device and method for keeping pallet fork horizontal for rotary conveyor

Info

Publication number: CN112407824A
Application number: CN202011295505.7A
Authority: CN
Inventors: 彭海波; 李自立; 富宝东; 田丹丹; 彭艳斌; 杨晓宇; 赵金涛
Original assignee: Suzhou Hongan Machinery Co Ltd
Current assignee: Suzhou Hongan Machinery Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-02-26

Abstract

The invention discloses a device and a method for keeping a pallet fork horizontal by a rotary conveyor, wherein the device comprises a main track, a balance track and a pallet fork mechanism, the pallet fork mechanism comprises a pallet fork, a pallet fork shaft, a trolley assembly and a balance assembly, one end of the pallet fork shaft is provided with the pallet fork, the pallet fork shaft is arranged in the trolley assembly, the trolley assembly is arranged on the main track, and the trolley assembly drives the pallet fork to move along the main track; the balance assembly comprises a mounting plate and a balance wheel, the other end of the goods fork shaft is provided with the mounting plate, the other side of the mounting plate, which is far away from the trolley assembly, is provided with the balance wheel, the balance wheel is mounted on the balance rail, the balance wheel travels along the balance rail, and the rotation centers of the balance wheel and the goods fork shaft are not coaxial. The invention has simple structure, realizes the purpose of keeping the fork shaft horizontal in the back movement by adopting the balance wheel and the balance track, has good balance performance and simple installation and adjustment, solves the problem of poor rotation positioning of the traditional fork, obviously improves the rotation rigidity of the fork and has high reliability.

Description

Device and method for keeping pallet fork horizontal for rotary conveyor

Technical Field

The invention relates to the technical field of rotary conveyors, in particular to a device and a method for keeping a pallet fork horizontal by a rotary conveyor.

Background

In the field of a material box conveyor, a rotary continuous vertical conveyor is mostly adopted for large-flow vertical material box conveying, and a key technology of the equipment is how to ensure that a fork bearing a material box keeps horizontal in the rotary process. The scheme that the existing rotary reciprocating vertical conveyor keeps a pallet fork horizontal comprises a vertical connecting rod type structure and a four-wheel positioning type structure, wherein the vertical connecting rod type structure adopts a group of balance chains which are parallel to a main driving chain track and shift up and down, and a pallet fork shaft is kept horizontal through a telescopic set of connecting rod structure, so that the pallet fork horizontal is guaranteed, but the vertical connecting rod type has high requirements on the synchronism of a main chain wheel and a balance chain wheel, the requirements on manufacturing precision are high, and a gap exists in pallet fork shaft positioning, so that the pallet fork has poor rotation rigidity, and once a tooth jumping phenomenon occurs, the pallet fork cannot be kept horizontal, and the adjustment is troublesome. In addition, the four-wheel positioning structure is characterized in that four positioning wheels are mounted at the tail part of the pallet fork shaft, each positioning wheel is not in the same plane, and the purpose of leveling the pallet fork is achieved by limiting the positions of three wheels when the pallet fork shaft turns up and down.

Disclosure of Invention

In order to solve the technical problems, an object of the present invention is to provide a device for a rotary conveyor to keep a pallet fork horizontal, comprising a main rail, a balance rail and a pallet fork mechanism, wherein the pallet fork mechanism comprises a pallet fork, a pallet fork shaft, a trolley assembly and a balance assembly, one end of the pallet fork shaft is provided with the pallet fork, the pallet fork shaft is arranged in the trolley assembly, the trolley assembly is mounted on the main rail, and the trolley assembly drives the pallet fork to travel along the main rail; the balance assembly comprises a mounting plate and a balance wheel, the other end of the goods fork shaft is provided with the mounting plate, the other side of the mounting plate, which is far away from the trolley assembly, is provided with the balance wheel, the balance wheel is mounted on the balance track, the balance wheel travels along the balance track, and the rotation center of the balance wheel and the goods fork shaft is not coaxial.

Technical scheme more than adopting, the quantity of stabilizer is 2, and 2 stabilizer symmetries locate on the mounting panel.

Technical scheme more than adopting, balanced track includes upper portion balanced track, vertical balanced track and lower part balanced track, upper portion balanced track, vertical balanced track and lower part balanced track end to end equipment become balanced track.

Technical scheme more than adopting, all be equipped with 2 track grooves on balanced track of upper portion and the balanced track of lower part, 2 balanced wheels one-to-one walk along 2 track grooves.

Technical scheme more than adopting, when 2 stabilizer wheels pass through upper portion balance rail or lower part balance rail, 2 track grooves carry out two location to 2 stabilizer wheels simultaneously, through 2 track groove restriction 2 stabilizer wheels around the swing of fork axle.

By adopting the technical scheme, 2 track grooves are arranged in a cross way.

According to the technical scheme, the main track comprises an upper arc track, a vertical track and a lower arc track, and the upper arc track, the vertical track and the lower arc track are assembled into the main track in an end-to-end connection mode.

It is another object of the present invention to provide a method of maintaining a level of forks in a rotary conveyor comprising:

the pallet fork is arranged on a trolley assembly through a pallet fork shaft, and the trolley assembly is arranged on the main track and can move along the main track; the balance wheel is installed to the one end that fork was kept away from to the fork axle, and the balance wheel is installed on balanced track and the balance wheel is walked along balanced track, and the rotation center disalignment of balance wheel and fork axle, when dolly subassembly was walked along the main track, balanced track restriction balance wheel was around the swing of fork axle to make fork axle and install the fork of fork epaxial and keep the level.

Technical scheme more than adopting, all be equipped with 2 track grooves on the balanced track of upper portion and the balanced track of lower part that balanced track contains, when 2 stabilizer passes through the balanced track of upper portion or the balanced track of lower part, carry out two location to 2 stabilizer through 2 track grooves for the rotation of restriction fork axle.

Technical scheme more than adopting, when 2 stabilizer wheels pass through upper portion balance orbit or lower part balance orbit, the tangential velocity of fork axle rotary motion is the same with the direction of guidance in track groove in stabilizer wheel department, and 2 track grooves carry out two location to 2 stabilizer wheels simultaneously, restrict 2 stabilizer wheels through 2 track grooves and swing around the fork axle.

The invention has the beneficial effects that: the invention has simple structure, realizes the purpose of keeping the fork shaft horizontal in the back motion by adopting the balance wheel and the balance track, has good balance performance and simple installation and adjustment, solves the problem of poor rotation positioning of the traditional fork, obviously improves the rotation rigidity of the fork and has high reliability.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the fork mechanism of the present invention.

Fig. 4 is a schematic structural diagram of the balance rail of the present invention.

The reference numbers in the figures illustrate: 11. an upper circular arc track; 12. a vertical track; 13. a lower circular arc track; 21. An upper balance rail; 22. a vertical balancing rail; 23. a lower balance rail; 24. a track groove; 31. a pallet fork; 32. a fork shaft; 33. a trolley assembly; 341. mounting a plate; 342. a balance wheel.

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 a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in interactive relationship with each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

Referring to fig. 1 and 2, an embodiment 1 of the present invention provides a device for a rotary conveyor to keep a pallet fork horizontal, including a main rail, a balance rail, and a pallet fork mechanism, where the pallet fork mechanism includes a pallet fork 31, a pallet fork shaft 32, a trolley assembly 33, and a balance assembly, one end of the pallet fork shaft 32 is provided with the pallet fork 31, the pallet fork shaft 32 is disposed in the trolley assembly 33, the trolley assembly 33 is mounted on the main rail, and the trolley assembly 33 drives the pallet fork 31 to travel along the main rail; the balance assembly comprises a mounting plate 341 and a balance wheel 342, the other end of the fork shaft 32 is provided with the mounting plate 341, the other side of the mounting plate 341 away from the trolley assembly 33 is provided with the balance wheel 342, the balance wheel 342 is mounted on the balance rail, the balance wheel 342 runs along the balance rail, and the rotating centers of the balance wheel 342 and the fork shaft 32 are not coaxial. The counter rail limits the balance wheel 342 from swinging about the fork shaft 32 as the carriage assembly 33 travels along the main rail, so that the fork shaft 32 and the forks 31 mounted on the fork shaft 32 remain horizontal.

Wherein the opposite side of the relative fork 31 of main track is located to balanced track, and balanced track includes upper portion balanced track 21, vertical balanced track 22 and lower part balanced track 23, and upper portion balanced track 21, vertical balanced track 22 and the balanced track 23 end to end of lower part assemble into balanced track, all are equipped with 2 track grooves 24 on upper portion balanced track 21 and the balanced track 23 of lower part, and 2 track grooves 24 have one section cross arrangement. Correspondingly, the number of the balance wheels 342 is 2, 2 balance wheels 342 are symmetrically arranged on the mounting plate 341, and the 2 balance wheels 342 run along the 2 track grooves 24 in a one-to-one correspondence manner.

When the 2 balance wheels 342 pass through the upper balance rail 21 or the lower balance rail 23, the 2 rail grooves 24 simultaneously perform double positioning on the 2 balance wheels 342, and the 2 balance wheels 342 are limited to swing around the fork 31 shaft by the 2 rail grooves 24. For example, when 2 balance wheels 342 pass through the upper balance rail 21, the tangential velocity of the rotation motion of the fork shaft 32 at the balance wheels 342 is the same as the guiding direction of the rail grooves 24, 2 rail grooves 24 simultaneously perform double positioning on the 2 balance wheels 342, and the 2 balance wheels 342 are restricted from swinging around the fork shaft 32 by the 2 rail grooves 24, thereby keeping the fork shaft 32 and the fork 31 mounted on the fork shaft 32 horizontal.

In addition, the main track comprises an upper arc track 11, a vertical track 12 and a lower arc track 13, the upper arc track 11, the vertical track 12 and the lower arc track 13 are assembled into the main track in an end-to-end connection mode, and the trolley assembly 33 drives the pallet fork 31 to travel on the main track along the main track and is used for achieving rotary motion of the pallet fork 31.

Example 2

Embodiment 2 of the present invention provides a method for maintaining the level of a pallet fork 31 of a rotary conveyor, including:

the pallet fork 31 is arranged on a trolley assembly 33 through a pallet fork shaft 32, and the trolley assembly 33 is arranged on the main track and can move along the main track; the balance wheel 342 is installed at one end of the fork shaft 32 far away from the fork 31, the balance wheel 342 is installed on the balance track, the balance wheel 342 runs along the balance track, the balance wheel 342 is not coaxial with the rotation center of the fork shaft 32, and when the trolley assembly 33 runs along the main track, the balance track limits the balance wheel 342 to swing around the fork shaft 32, so that the fork shaft 32 and the fork 31 installed on the fork shaft 32 are kept horizontal.

Specifically, the upper balance rail 21 and the lower balance rail 23 included in the balance rail are respectively provided with 2 rail grooves 24, and when the 2 balance wheels 342 pass through the upper balance rail 21 or the lower balance rail 23, the 2 balance wheels 342 are positioned in a double manner through the 2 rail grooves 24, so as to limit the rotation of the fork shaft 32. For example, when 2 balance wheels 342 pass through the upper balance rail 21, the tangential velocity of the rotational motion of the fork shaft 32 at the balance wheels 342 is the same as the guiding direction of the rail grooves 24, 2 rail grooves 24 simultaneously perform double positioning on the 2 balance wheels 342, and the 2 balance wheels 342 are restricted from swinging around the fork shaft 32 by the 2 rail grooves 24, thereby keeping the fork shaft 32 and the fork 31 mounted on the fork shaft 32 horizontal.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.

Claims

1. The utility model provides a rotation conveyer keeps fork horizontally device which characterized in that: the forklift truck comprises a main track, a balance track and a fork mechanism, wherein the fork mechanism comprises a fork, a fork shaft, a trolley assembly and a balance assembly, one end of the fork shaft is provided with the fork, the fork shaft is arranged in the trolley assembly, the trolley assembly is arranged on the main track, and the trolley assembly drives the fork to travel along the main track; the balance assembly comprises a mounting plate and a balance wheel, the other end of the goods fork shaft is provided with the mounting plate, the other side of the mounting plate, which is far away from the trolley assembly, is provided with the balance wheel, the balance wheel is mounted on the balance track, the balance wheel travels along the balance track, and the rotation center of the balance wheel and the goods fork shaft is not coaxial.

2. The rotary conveyor apparatus for maintaining fork level as in claim 1, wherein: the quantity of stabilizer is 2, and 2 stabilizer symmetries locate on the mounting panel.

3. The rotary conveyor apparatus for maintaining fork level as in claim 1, wherein: the balance rail comprises an upper balance rail, a vertical balance rail and a lower balance rail, and the upper balance rail, the vertical balance rail and the lower balance rail are assembled into the balance rail in an end-to-end mode.

4. The rotary conveyor apparatus for maintaining the level of the forks of claim 3, wherein: all be equipped with 2 track grooves on upper portion balanced track and the balanced track of lower part, 2 balanced wheels one-to-one walk along 2 track grooves.

5. The rotary conveyor apparatus of claim 4, wherein the means for maintaining the forks horizontal comprises: when 2 stabilizer wheels pass through upper portion balance rail or lower part balance rail, 2 track grooves carry out two location to 2 stabilizer wheels simultaneously, through 2 track groove restriction 2 stabilizer wheels around the swing of fork axle.

6. The rotary conveyor apparatus of claim 4, wherein the means for maintaining the forks horizontal comprises: the 2 track grooves are arranged in a cross way.

7. The rotary conveyor apparatus for maintaining fork level as in claim 1, wherein: the main track comprises an upper arc track, a vertical track and a lower arc track, and the upper arc track, the vertical track and the lower arc track are assembled into the main track in an end-to-end connection mode.

8. A method for keeping a pallet fork horizontal by a rotary conveyor is characterized in that: the method comprises the following steps:

the pallet fork is arranged on a trolley assembly through a pallet fork shaft, and the trolley assembly is arranged on the main track and can move along the main track; the balance wheel is installed to the one end that the fork axle kept away from the fork, and the balance wheel is installed on balanced track and the balance wheel is walked along balanced track, and the rotation center disalignment of balance wheel and fork axle, when the dolly subassembly was walked along the main track, balanced track restriction balance wheel was around the swing of fork axle to make fork axle and install the fork of fork epaxial at the fork keep the level.

9. The method of maintaining a fork level in a rotary conveyor of claim 8, wherein: all be equipped with 2 track grooves on the balanced track of upper portion and the balanced track of lower part that balanced track contains, when 2 stabilizer passes through the balanced track of upper portion or the balanced track of lower part, carry out two location to 2 stabilizer through 2 track grooves for the rotation of restriction goods fork axle.

10. The rotary conveyor apparatus of claim 9, wherein the method further comprises: when 2 stabilizer wheels pass through upper portion balance track or lower part balance track, the tangential velocity of fork axle rotary motion is the same with the direction in track groove in stabilizer wheel department, and 2 track grooves carry out two location to 2 stabilizer wheels simultaneously, restrict 2 stabilizer wheels through 2 track grooves and swing around the fork axle.