Disclosure of Invention
The invention aims to provide a mortar supply device which can realize the stirring and discharging of mortar driven by a single driving piece and can continuously stir during the discharging process so as to maintain the fluidity of the mortar.
To achieve the purpose, the invention adopts the following technical scheme:
the mortar supply device comprises a driving assembly, a stirring assembly, a discharging assembly and a one-way bearing, wherein the driving assembly comprises a driving piece and an input shaft arranged at the output end of the driving piece, and the driving piece can drive the input shaft to rotate; the stirring assembly comprises a stirring shaft and a stirring blade arranged at the lower part of the stirring shaft, and the input shaft is connected with the upper part of the stirring shaft; the discharging assembly comprises a discharging shaft and a mortar pump, the stirring shaft is sleeved outside the discharging shaft, and the mortar pump is connected with the lower part of the discharging shaft; the one-way bearing is positioned between the stirring shaft and the discharging shaft, the outer ring of the one-way bearing is connected with the stirring shaft, and the inner ring of the one-way bearing is connected with the discharging shaft.
According to the mortar feeding device, the stirring shaft and the discharging shaft are connected through the one-way bearing, and meanwhile, the upper part of the stirring shaft is connected with the input shaft, so that the rotation direction of the discharging shaft relative to the one-way bearing can be adjusted by adjusting the forward and reverse rotation directions of the input shaft through the driving piece, and when the discharging shaft and the one-way bearing synchronously rotate, the mortar feeding device synchronously stirs and discharges mortar; when the one-way bearing and the discharge shaft rotate relatively, namely the discharge shaft is static relative to a ground reference system, the mortar supply device only performs mortar stirring without discharging, so that the mortar stirring and discharging are driven and regulated by a single driving piece, and the stirring blade is ensured to rotate continuously to keep the mortar fluidity.
In some embodiments, the mortar supply device further comprises a first bearing, a bearing base and a bearing upper seal, wherein the bearing upper seal is connected with the bearing base, the first bearing and the bearing base are coaxially arranged and nested in the bearing base, the stirring shaft and the first bearing are coaxially arranged and nested in the first bearing, and the input shaft is arranged through the bearing upper seal. The bearing base and the bearing upper seal can form a shell for protecting the stirring shaft, the discharging shaft and the unidirectional bearing, and the first bearing can form a support between the stirring shaft and the bearing base and between the stirring shaft and the bearing upper seal, so that the stirring shaft is prevented from idling in the bearing base to influence the motion stability of the stirring shaft during rotation.
In some embodiments, the mortar supply device further comprises a first bearing outer liner and a first bearing inner liner, wherein the first bearing outer liner is coaxially arranged with the first bearing and is attached to the inner wall of the bearing base, and the first bearing inner liner is coaxially arranged with the first bearing and is attached to the outer wall of the stirring shaft. The arrangement of the first bearing outer liner and the first bearing inner liner can eliminate the gap between the first bearing and the bearing base in the height direction and the gap between the first bearing and the bearing upper seal in the height direction, so that the first bearing can be prevented from moving up and down when the stirring shaft rotates.
In some embodiments, the input shaft, the stirring shaft, the bearing mount, and the bearing upper seal form a first cavity, the first bearing outer liner, and the first bearing inner liner fit within the first cavity. When the structure enables the input shaft and the stirring shaft to rotate, the axial force born by the first bearing can be transmitted to the bearing base and the bearing upper seal, so that the axial force born by the first bearing is reduced, and the service life of the first bearing is prolonged.
In some embodiments, the mortar supply device further comprises a second bearing coaxially disposed with and nested within the stirring shaft, and the discharge shaft is coaxially disposed with and extends through the second bearing. The second bearing can form a support between the discharge shaft and the stirring shaft so as to prevent the movement stability of the discharge shaft from being influenced by shaking when the discharge shaft rotates.
In some embodiments, the mortar feeding device further comprises a second bearing outer liner, a second bearing inner liner and a lock nut, wherein the second bearing inner liner is coaxially arranged with the second bearing and is attached to the outer wall of the discharging shaft, the second bearing outer liner is coaxially arranged with the second bearing and is attached to the inner wall of the stirring shaft, the second bearing outer liner is respectively abutted with the second bearing and the one-way bearing, and the lock nut is in threaded sleeve on the discharging shaft and is abutted with the second bearing inner liner. The arrangement of the second bearing outer liner and the second bearing inner liner can eliminate the gap between the second bearing and the one-way bearing in the height direction, and prevent the second bearing from moving up and down when the discharging shaft rotates.
In some embodiments, the input shaft, the stirring shaft, the discharge shaft, the second bearing inner liner, and the lock nut form a second cavity, and the one-way bearing, the second bearing, and the second bearing outer liner fit within the second cavity. When the input shaft, the stirring shaft and the discharging shaft rotate, the axial force born by the unidirectional bearing and the second bearing can be transmitted to the input shaft, the stirring shaft and the second bearing inner liner, so that the axial force born by the unidirectional bearing and the second bearing is reduced, and the service lives of the unidirectional bearing and the second bearing are prolonged.
In some embodiments, the stirring shaft is connected with the input shaft through a screw, the bearing upper seal is connected with the bearing base through a screw, and the screw connection is convenient to install and detach.
In some embodiments, the mortar supply device further comprises a mortar storage container for storing mortar, the bearing base and the driving member are mounted on the top of the mortar storage container, and the stirring assembly and the discharging assembly extend into the mortar storage container, so that the mortar stored in the mortar storage container can be stirred and discharged through the stirring assembly and the discharging assembly, and the supply of the mortar and the maintenance of the fluidity of the mortar are realized.
In some embodiments, the inner ring of the one-way bearing is connected with the discharging shaft through a key groove structure, the outer ring of the one-way bearing is connected with the stirring shaft through a key groove structure, and the key groove structure is convenient to install and detach.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The embodiment provides a mortar feeding device, as shown in fig. 1-6, which comprises a driving component, a stirring component, a discharging component and a one-way bearing 4, wherein the driving component comprises a driving piece and an input shaft 1 arranged at the output end of the driving piece, and the driving piece can drive the input shaft 1 to rotate; the stirring assembly comprises a stirring shaft 2 and stirring blades arranged at the lower part of the stirring shaft 2, and the input shaft 1 is connected with the upper part of the stirring shaft 2; the discharging assembly comprises a discharging shaft 3 and a mortar pump, the stirring shaft 2 is sleeved outside the discharging shaft 3, and the mortar pump is connected with the lower part of the discharging shaft 3; the one-way bearing 4 is positioned between the stirring shaft 2 and the discharging shaft 3, the outer ring of the one-way bearing 4 is connected with the stirring shaft 2, and the inner ring of the one-way bearing 4 is connected with the discharging shaft 3.
The mortar supply device connects the stirring shaft 2 and the discharging shaft 3 through the one-way bearing 4, and meanwhile, the upper part of the stirring shaft 2 is connected with the input shaft 1, so that the rotation direction of the discharging shaft 3 relative to the one-way bearing 4 can be adjusted by adjusting the forward and backward rotation direction of the input shaft 1 through a driving piece, and when the discharging shaft 3 and the one-way bearing 4 synchronously rotate, the mortar supply device synchronously stirs and discharges the mortar; when the one-way bearing 4 and the discharge shaft 3 rotate relatively, namely, the discharge shaft 3 is static relative to a ground reference system, the mortar feeding device only performs mortar stirring without discharging, so that the mortar stirring and discharging are driven and regulated by a single driving piece, the cost is saved, and the stirring blade can be ensured to rotate continuously to keep the mortar fluidity.
In the embodiment, a stepping motor is selected as a driving piece, and the rotation speed of the input shaft 1 and the rotation speed of the stirring shaft 2 connected with the input shaft 1 can be adjusted by adjusting the rotation speed of the stepping motor, so that the adjustment of the mortar stirring speed is realized; by adjusting the forward and reverse rotation directions of the stepping motor, the rotation directions of the input shaft 1 and the stirring shaft 2 can be adjusted, and the rotation direction of the discharging shaft 3 relative to the one-way bearing 4 can be adjusted. Of course, in other embodiments, a servo motor or other types of motors may be used as the driving member, as long as the input shaft 1 can be driven to rotate.
In some embodiments, the inner ring of the one-way bearing 4 is connected with the discharging shaft 3 through a key groove structure, and the outer ring of the one-way bearing 4 is connected with the stirring shaft 2 through a key groove structure, so that the key groove structure is convenient to install and detach. In this embodiment, the unidirectional bearing 4 is a double-groove unidirectional bearing, the outer ring and the inner ring of the double-groove unidirectional bearing are respectively provided with a key groove, the stirring shaft 2 is correspondingly provided with a key which can be matched with the key groove of the outer ring, and the discharging shaft 3 is correspondingly provided with a key which can be matched with the key groove of the inner ring.
In some embodiments, the mortar supply device further comprises a first bearing 5, a bearing base 6 and a bearing upper seal 7, the bearing upper seal 7 is connected with the bearing base 6, the first bearing 5 is coaxially arranged with the bearing base 6 and nested in the bearing base 6, the stirring shaft 2 is coaxially arranged with the first bearing 5 and nested in the first bearing 5, and the input shaft 1 is coaxially arranged with the bearing upper seal 7 and penetrates through the bearing upper seal 7. The bearing base 6 and the bearing upper seal 7 can form a shell for protecting the stirring shaft 2, the discharging shaft 3 and the unidirectional bearing 4, and the first bearing 5 can form a support between the stirring shaft 2 and the bearing base 6 and between the stirring shaft 2 and the bearing upper seal 7, so as to prevent the stirring shaft 2 from idling in the bearing base 6 to influence the motion stability of the stirring shaft 2 during rotation.
Further, the mortar supply device further comprises a first bearing outer liner 8 and a first bearing inner liner 9, wherein the first bearing outer liner 8 is coaxially arranged with the first bearing 5 and is attached to the inner wall of the bearing base 6, and the first bearing inner liner 9 is coaxially arranged with the first bearing 5 and is attached to the outer wall of the stirring shaft 2. The arrangement of the first bearing outer liner 8 and the first bearing inner liner 9 can eliminate the gap between the first bearing 5 and the bearing base 6 in the height direction and the gap between the first bearing 5 and the bearing upper seal 7 in the height direction, so as to prevent the first bearing 5 from moving up and down when the stirring shaft 2 rotates.
Alternatively, the number of the first bearings 5 is not limited, and may be specifically set according to the size of the gap between the first bearings 5 and the bearing mount 6 and the bearing seal 7. In the embodiment shown in fig. 4, the number of the first bearings 5 is two, the two first bearings 5 are arranged at intervals, and a first bearing outer liner 8 and a first bearing inner liner 9 are arranged between the two first bearings 5.
In some embodiments, the input shaft 1, the stirring shaft 2, the bearing mount 6 and the bearing upper seal 7 form a first cavity, and the first bearing 5, the first bearing outer liner 8 and the first bearing inner liner 9 fit within the first cavity. The above structure makes the axial force that first bearing 5 received can transmit to bearing base 6 and bearing upper seal 7 when input shaft 1 and (mixing) shaft 2 rotate to reduce the axial force that first bearing 5 received, and then prolong first bearing 5's life.
In some embodiments, the mortar supply device further comprises a second bearing 10, the second bearing 10 being arranged coaxially with the stirring shaft 2 and nested within the stirring shaft 2, and the discharge shaft 3 being arranged coaxially with the second bearing 10 and penetrating the second bearing 10. The second bearing 10 may form a support between the discharge shaft 3 and the stirring shaft 2 to avoid that the movement stability of the discharge shaft 3 is affected by shaking when the discharge shaft 3 rotates.
Further, the mortar feeding device further comprises a second bearing outer liner 11, a second bearing inner liner 12 and a lock nut 13, wherein the second bearing inner liner 12 is coaxially arranged with the second bearing 10 and is attached to the outer wall of the discharging shaft 3, the second bearing outer liner 11 is coaxially arranged with the second bearing 10 and is attached to the inner wall of the stirring shaft 2, the second bearing 10 and the one-way bearing 4 are respectively abutted with the second bearing outer liner 11, and the lock nut 13 is in threaded sleeve on the discharging shaft 3 and is abutted with the second bearing inner liner 12. The arrangement of the second bearing outer liner 11 and the second bearing inner liner 12 can eliminate the clearance between the second bearing 10 and the one-way bearing 4 in the height direction, and prevent the second bearing 10 from moving up and down when the discharge shaft 3 rotates.
Alternatively, the number of second bearings 10 is not limited, and may be specifically set according to the size of the gap between the second bearings 10 and the one-way bearing 4. In the embodiment shown in fig. 4, the number of second bearings 10 is two, the two second bearings 10 are abutted, and a second bearing outer liner 11 is provided between the second bearing 10 adjacent to the one-way bearing 4 and the one-way bearing 4.
In some embodiments, the input shaft 1, the stirring shaft 2, the discharge shaft 3, the second bearing inner liner 12 and the lock nut 13 form a second cavity, and the one-way bearing 4, the second bearing 10 and the second bearing outer liner 11 fit within the second cavity. The above structure enables the axial force received by the one-way bearing 4 and the second bearing 10 to be transmitted to the input shaft 1, the stirring shaft 2 and the second bearing inner liner 12 when the input shaft 1, the stirring shaft 2 and the discharge shaft 3 are rotated, thereby reducing the axial force received by the one-way bearing 4 and the second bearing 10 and further prolonging the service lives of the one-way bearing 4 and the second bearing 10.
In the preferred embodiment, the stirring shaft 2 is connected with the input shaft 1 through screws, and the bearing upper seal 7 is connected with the bearing base 6 through screws, so that the screw connection is convenient to install and detach. Of course, in other embodiments, the connection between the stirring shaft 2 and the input shaft 1 and the connection between the bearing seal 7 and the bearing mount 6 may be achieved in other ways, as well, which the invention is not limited to.
In some embodiments, the mortar supply device further comprises a storage container storing mortar, the bearing base 6 and the driving member are mounted on the top of the storage container, and the stirring assembly and the discharging assembly extend into the storage container, so that the mortar stored in the storage container can be stirred and discharged through the stirring assembly and the discharging assembly, thereby realizing the supply of the mortar and maintaining the fluidity of the mortar.
The working principle of the mortar supply device provided in this embodiment is as follows: the forward and reverse rotation directions of the input shaft 1 are regulated through the driving piece, so that the rotation direction of the stirring shaft 2 can be regulated, the rotation direction of the discharging shaft 3 relative to the one-way bearing 4 is regulated, and when the discharging shaft 3 and the one-way bearing 4 synchronously rotate, the mortar feeding device synchronously performs mortar stirring and mortar discharging; when the one-way bearing 4 and the discharge shaft 3 rotate relatively, namely, the discharge shaft 3 is static relative to a ground reference system, the mortar supply device only performs mortar stirring and cannot discharge, so that the stirring blades arranged at the lower part of the stirring shaft 2 can rotate continuously to keep mortar fluidity.
It should be noted that when one portion is referred to as being "fixed to" another portion, it may be directly on the other portion or there may be a portion in the middle. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and do not represent the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.