CN212636168U - Rolling friction type vertical shaft forced discharging door of concrete mixer - Google Patents

Abstract

The utility model discloses a rolling friction's vertical scroll compulsory concrete mixer unloads bin gate, including the stirring barrel of vertical scroll compulsory concrete mixer, unload bin gate and hydro-cylinder, the axle sleeve is fixed on the stirring barrel, the upper and lower both ends in the axle sleeve are equipped with the bearing frame, be equipped with two bearing installation steps in the pivot, the pivot is installed on the bearing frame through two bearings, two sections external screw threads about the pivot lower part is equipped with, fix the commentaries on classics cover suit of unloading bin gate one side in the lower part of pivot and with the pivot parallel key be connected, change the cover through two upper and lower round nut location in the pivot, the support rolling device on the stirring barrel is placed to the other end of unloading the bin gate, the utility model has the characteristics of the switch gate is nimble, the unloading gate.

Description

Rolling friction type vertical shaft forced discharging door of concrete mixer

Technical Field

The utility model belongs to the technical field of the forced concrete mixer of vertical scroll, especially, relate to a rolling friction's forced concrete mixer unloads bin gate.

Background

The vertical shaft forced concrete mixer can be provided with 1-3 discharge openings, so that the vertical shaft forced concrete mixer is particularly suitable for the arrangement construction of the concrete prefabricated member production lines of modern fabricated buildings, underground pipe galleries and the like. A production line can be arranged at each discharge opening, and the utilization rate of the stirrer is high. In recent years, this type of agitator has been in great demand. The problem of sealing a discharge door of a vertical shaft stirrer is always a key factor for restricting the stable performance of the stirrer. The existing discharging door is in sliding friction when the door is opened and closed, namely the far end of the discharging door is directly placed on the sealing strip, the contact surface of the sealing strip and the discharging door is a supporting surface and a sealing surface, the door is opened and closed by the structure, so that the resistance is high, the sealing strip is easily abraded, the abraded sealing surface becomes lower, the discharging door is also descended and deformed, the discharging door becomes non-horizontal stress, and the damage to parts such as a bearing seat is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough of prior art and provide a roll friction's of switch door nimble, the discharge door position as required adjustable, long service life's vertical scroll forced concrete mixer discharge door.

The utility model aims at realizing like this, a rolling friction's vertical scroll compulsory concrete mixer unloads bin gate, including the stirring barrel of vertical scroll compulsory concrete mixer, unload bin gate and hydro-cylinder, its characteristics are that the axle sleeve is fixed on stirring barrel, the upper and lower both ends in the axle sleeve are equipped with the bearing frame, be equipped with two bearing installation steps in the pivot, the pivot is installed on the bearing frame through two bearings, two sections external screw threads about the pivot lower part is equipped with, the commentaries on classics cover suit of fixing on one side of unloading the bin gate is in the lower part of pivot and be connected with the pivot parallel key, change the cover through two upper and lower round nuts location in the pivot, the support rolling device on stirring barrel is placed to the other end of unloading the bin gate, support rolling device and be used for supporting the.

In order to further realize the utility model discloses an aim, can be support rolling device be close to the bottom interval of stirring barrel discharge opening and be fixed with the gyro wheel support, the gyro wheel passes through the roller shaft and installs in the strip axle hole of support, the both ends below of roller shaft be equipped with support threaded connection's adjusting bolt, adjusting bolt's top and roller shaft contact, the gyro wheel is used for placing the support and unloads the bin gate.

In order to further realize the utility model discloses a purpose can be that it is equipped with the sealing strip of fixing on unloading the door to unload the material door and discharge opening edge butt joint department.

Compared with the prior art, the utility model has the following characteristics of showing and positive effect: the connecting sleeve of the discharging door of the utility model is provided with a key groove, the transmission with the rotating shaft is realized through a flat key, the lower part of the rotating shaft of the discharging door is provided with threads, and the upper and lower positions of the discharging door on the rotating shaft can be adjusted through two round nuts on the upper part and the lower part of the rotating sleeve of the discharging door, so that the gap between the discharging door and the stirring barrel body is adjusted, and the adjustment of the sealing gap between the discharging door and the stirring barrel body is; the stirring cylinder is provided with a roller for supporting a discharge door, and the discharge door is in rolling friction when being opened and closed; the sealing strip is arranged on the discharge door, rotates along with the discharge door and leaves a reasonable fixed and movable gap with the stirring cylinder body; the gyro wheel on the stirring barrel passes through adjusting bolt and realizes altitude mixture control to guarantee to unload the bin gate and be in the horizontality when rotating, the bin gate that unloads that the gyro wheel supported, frictional resistance is little, and the switch door is smooth and easy. The utility model discloses separate the sealed of unloading door and agitator body and support, become rolling friction to the sliding friction between unloading door and the agitator body for the switch door is nimble, unloads door life extension.

Drawings

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

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a schematic view of the structure of the rotating shaft of the present invention.

Fig. 4 is a schematic structural diagram of the rolling support device of the present invention.

In the figure: 1. the device comprises a rotating shaft, 2, an upper bearing, 3, a bearing seat, 4, a lower bearing, 5, a rotating sleeve, 6, a shaft sleeve, 7, a round nut, 8, a roller bracket, 9, a discharge door, 10, a sealing strip, 11, an adjusting bolt, 12, a roller, 13, a roller shaft, 14, a stirring barrel, 15 and an oil cylinder.

Detailed Description

A rolling friction type vertical shaft forced concrete mixer discharging door is disclosed, referring to fig. 1, fig. 2 and fig. 3, a discharging door 9 is installed at a discharging opening of a mixing cylinder 14 of a vertical shaft forced concrete mixer, an oil cylinder 15 is connected with the discharging door 9 in a conventional mode and controls the discharging door 9 to be opened and closed, a shaft sleeve 6 is fixed on the mixing cylinder 14, a bearing seat 3 is respectively arranged at the upper end and the lower end in the shaft sleeve 6, two bearing installation steps are arranged on a rotating shaft 1, an upper bearing 2 and a lower bearing 4 are installed on the bearing installation steps, the rotating shaft 1 is installed on the bearing seat 3 through the upper bearing 2 and the lower bearing 4, an upper section external thread and a lower section external thread are arranged at the lower part of the rotating shaft 1, a rotating sleeve 5 fixed at one side of the discharging door 9 is sleeved at the lower part of the rotating shaft 1 and is in flat key connection with the rotating shaft 1, the, The upper and lower round nuts 7 of the lower two sections of external thread threaded connection are positioned on the rotating shaft 1, the upper and lower round nuts 7 can adjust the height of the discharge door 9, so that the adjustment of the sealing gap between the discharge door 9 and the stirring cylinder 14 is realized, the other end of the discharge door 9 is placed on a supporting rolling device on the stirring cylinder 14, the supporting rolling device is used for supporting the discharge door 9, and the discharge door 9 can roll on the supporting rolling device to reduce the friction during opening and closing.

Referring to fig. 4, the supporting and rolling device is characterized in that roller supports 8 are fixed at the bottom of a discharge opening close to a mixing cylinder 14 at intervals, rollers 12 are mounted in vertically arranged strip-shaped shaft holes in the roller supports 8 through roller shafts 13, adjusting bolts 11 in threaded connection with the roller supports 8 are arranged below two ends of each roller shaft 13, the top ends of the adjusting bolts 11 are in contact with the roller shafts 13, height adjustment of the rollers 12 is achieved through the adjusting bolts 11 to ensure horizontal rotation of a discharge door body 9, one end of the discharge door 9 is placed on the rollers 12, the rollers 12 support the discharge door 9 to achieve rolling friction, the door is opened and closed flexibly, sealing strips 10 fixed on the discharge door 9 are arranged at the butt joint of the discharge door 9 and the edge of the discharge opening, and therefore a reasonable fixed gap is reserved between the discharge door 9 and the sealing surface of the mixing cylinder 14, sealing effect is guaranteed, and rotation.

Claims (3)

1. The utility model provides a rolling friction's vertical scroll compulsory concrete mixer unloads bin gate, including the stirring barrel of vertical scroll compulsory concrete mixer, unload bin gate and hydro-cylinder, characterized by axle sleeve fixes on the stirring barrel, the upper and lower both ends in the axle sleeve are equipped with the bearing frame, be equipped with two bearing installation steps in the pivot, the pivot is installed on the bearing frame through two bearings, the pivot lower part is equipped with two sections external screw threads from top to bottom, the swivel cover suit that fixes in unloading bin gate one side is in the lower part of pivot and is connected with pivot parallel key, the swivel cover is fixed a position in the pivot through two upper and lower round nuts, the support rolling device on the stirring barrel is placed to the other end of unloading bin gate, support rolling device is used for supporting the.

2. A rolling friction vertical shaft forced concrete mixer discharge door according to claim 1, wherein said supporting rolling means is a roller bracket fixed at intervals near the bottom of the discharge opening of the mixer drum, the roller is mounted in a strip shaft hole of the bracket through a roller shaft, an adjusting bolt in threaded connection with the bracket is arranged below both ends of the roller shaft, the top end of the adjusting bolt contacts with the roller shaft, and the roller is used for placing the supporting discharge door.

3. A rolling friction vertical shaft forced concrete mixer discharge door as in claim 1, wherein the discharge door is provided with a seal strip fixed to the discharge door at the interface with the edge of the discharge opening.

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