CN214113849U

CN214113849U - Double-speed chain machine head structure

Info

Publication number: CN214113849U
Application number: CN202022715250.7U
Authority: CN
Inventors: 王爱勇; 钟智敏; 李栋梁
Original assignee: Shanghai Xinkeqian Iot Technology Co ltd
Current assignee: Science And Technology University Zhilian Shanghai Technology Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-09-03
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a doubly fast chain head structure, including the supporting seat, install at this supporting seat inside sprocket and with sprocket coaxial coupling's drive shaft, chain takes turns to and installs the roller chain, and the outside of supporting seat up end is arranged in to the roller of this roller chain partly roll the face, the one end of drive shaft is connected with motor, its characterized in that: the supporting seat is internally provided with a driven roller, the driven roller rotates with the chain wheel in a preset transmission ratio, and part of the rolling surface of the driven roller is arranged outside the upper end surface of the supporting seat. The utility model discloses an at the internally mounted driven roller of supporting seat for this driven roller can follow the sprocket and do the rotation that predetermines the drive ratio, can realize like this under the state that the roller of roller chain became invalid, still can pass the transport effect of driven roller to the article, the effectual jamming problem that has solved; and the bottom of the supporting seat is also provided with a dust collecting box, so that the internal sundries and the aluminum scraps can be regularly cleaned.

Description

Double-speed chain machine head structure

Technical Field

The utility model relates to a doubly fast chain technical field specifically is a doubly fast chain head structure.

Background

The speed-doubling chain is relatively low in cost and relatively wide in application in the field of logistics conveying, but because the pitch of the roller chain of the speed-doubling chain is relatively large, the gap at the butt joint of the wire body is relatively large, an unpowered roller form is often adopted, and because the roller is unpowered, the clamping stagnation condition of conveyed materials at the butt joint can be frequently caused; the machine head structure in the industry is often a machined part or a sheet metal part, the consistency is poor due to manufacturing errors, and the quality of the whole conveying line cannot be guaranteed; the speed doubling chain is frequently dropped into sundries or aluminum scraps generated by long-term use are irregularly cleaned, so that the conveying stability and the cleanness of a workshop are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a doubly fast chain head structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a double-speed chain machine head structure comprises a supporting seat, a chain wheel and a driving shaft, wherein the chain wheel is installed inside the supporting seat, the driving shaft is coaxially connected with the chain wheel, a roller chain is installed on the chain wheel, partial rolling surfaces of rollers of the roller chain are arranged outside the upper end surface of the supporting seat, one end of the driving shaft is connected with a motor, a driven roller is further installed in the supporting seat and rotates with a preset transmission ratio along with the chain wheel, and partial rolling surfaces of the driven roller are arranged outside the upper end surface of the supporting seat.

The roller of the roller chain rotates in the same direction as the driven roller.

The upper end rolling surface of the roller chain, which is arranged outside the upper end surface of the supporting seat, and the upper end rolling surface of the driven roller, which is arranged outside the upper end surface of the supporting seat, are positioned on the same horizontal plane.

The driven roller is coaxially provided with a first circular belt mechanism, the driving shaft on one side of the chain wheel is coaxially provided with a second circular belt mechanism, the first circular belt mechanism and the second circular belt mechanism are sleeved with circular belts, and the driven roller rotates at a preset transmission ratio by virtue of the circular belts and the chain wheel.

The second circular belt mechanism is of a disc structure and is detachably mounted on the disc surface on one side of the chain wheel, and a circular ring-shaped track II embedded with a circular belt is formed on the outer circular ring surface of the second circular belt mechanism.

The driven roller is of a stepped shaft structure and comprises a central shaft and a roller formed on the outer shaft surface of the central shaft, and two ends of the central shaft are rotatably connected to the shells on two sides of the supporting seat.

The first circular belt mechanism is of a disc structure and is positioned on the same side face of the second circular belt mechanism, and a first circular ring-shaped track embedded with a circular belt is formed on the outer annular face of the first circular belt mechanism.

The supporting seat comprises a first seat body and a second seat body which are detachably connected, an opening part matched with the driven roller and partially protruding out of the supporting seat is formed at the connection part of the first seat body and the second seat body, and a gap is formed between the inner edge of the opening part and the driven roller.

And the dust collecting box is detachably arranged at the bottom of the supporting seat and provided with a containing groove with an upward opening, the containing groove is arranged below the driven roller, and the containing groove is communicated with the inner cavity of the supporting seat.

According to the technical scheme, the driven roller is arranged in the supporting seat, so that the driven roller can rotate with the chain wheel in a preset transmission ratio, the transfer effect of the driven roller on an object can still be achieved under the condition that the roller of the roller chain is in failure, and the clamping stagnation problem is effectively solved; and the bottom of the supporting seat is also provided with a dust collecting box, so that the internal sundries and the aluminum scraps can be regularly cleaned, and the conveying stability is ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the structure of the present invention;

FIG. 3 is a second enlarged view of the partial structure of the present invention;

fig. 4 is a schematic side sectional view of the present invention.

In the figure: the device comprises a support seat 1, a first base 11, a second base 12, an opening 13, a motor 2, a driving shaft 3, a first end shaft part 31, a second end shaft part 32, a driven roller 4, a rolling shaft 41, a central shaft 42, a first circular belt mechanism 43, a first 431 track, a first circular belt 5, a second circular belt mechanism 6, a second 61 track, a sprocket 7, a roller chain 8, a guide rail 9, a dust collecting box 10 and a containing groove 101.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

referring to fig. 1-4, the technical problem to be solved in the present application is how to continue the normal transmission operation of the machine head through an external structure in the case that the rollers in the roller chain 8 are jammed, for this reason, a driven roller 4 is installed inside the supporting seat 1, and the auxiliary transmission effect is realized through the arrangement of the driven roller 4, so as to solve the above problems, specifically as follows:

the double speed chain mechanism structure is installed at the end position of the guide rail 9, as shown in fig. 1, compared with the conventional structure, a driven roller 4 which can rotate with a chain wheel in a preset transmission ratio and is 1 is additionally arranged inside the supporting seat 1, meanwhile, the driven roller 4 is partially arranged outside the upper end surface of the supporting seat 1 in a rolling way, it can be seen that, when the objects are transported on the guide 9, the movement of the objects is assisted by the rotation of the rolling surface of the partially driven rollers 4 disposed outside, even when the rollers in the roller chain 8 are jammed, the object can be moved by the driven rollers 4, it is noted that, in the view of fig. 1, the driven roller 4 is located at the outer side of the support base 1, and the driven roller 4 rotates in the same direction as the roller chain 8, so that smooth movement of the object is ensured.

Referring to fig. 1, 2 and 4, in the drawings, the support seats 1 are respectively located at the end portions of two sides of the guide rail 9, the motor 2 is installed at the outer side portion of one of the support seats 1, the two support seats 1 realize synchronous output of power through the driving shaft 3, specifically, the driving shaft 3 has a first end shaft portion 31 and a second end shaft portion 32, the first end shaft portion 31 is directly engaged with the output end of the motor 2, and the same transmission mechanisms are respectively arranged in the two support seats 1 and include a sprocket 7, a roller chain 8, a driven roller 4, a first circular belt mechanism 43 and a second circular belt mechanism 6, and the following will make a detailed description on the internal structure of one of the support seats 1 as follows:

the supporting seat 1 comprises a first seat body 11 and a second seat body 12, both seat bodies are of a shell structure, and can be made of cast aluminum materials, but not limited thereto, the two seat bodies are symmetrically spliced in the horizontal direction to form an accommodating space for accommodating a chain wheel 7, a roller chain 8, a driven roller 4, a first circular belt mechanism 43 and a second circular belt mechanism 6, the second end shaft portion 32 is arranged in the accommodating space in a penetrating manner and is coaxially connected with the chain wheel 7, the roller chain 8 is engaged and connected to the chain wheel 7, the second circular belt mechanism 6 is arranged on the outer side of the chain wheel 7, in the embodiment, the second circular belt mechanism 6 is detachably connected to a disc surface on one side of the chain wheel 7, meanwhile, the driven roller 4 is also arranged in the accommodating space, the driven roller 4 is of a stepped shaft structure and comprises a central shaft 42 and a roller 41 formed on the outer shaft surface of the central shaft 42, two ends of the central shaft 42 are rotatably connected to shells on two sides of the supporting seat, specifically, one end of the central shaft 42 is rotatably connected to the side wall of the first seat body 11, the other end of the central shaft is rotatably connected to the side wall of the second seat body 12, a first circular belt mechanism 43 is mounted on one side of the roller 41, the first circular belt mechanism 43 is configured to be a disc structure and is located on the same side face as the second circular belt mechanism 6, a first circular ring track 431 embedded with the circular belt 5 is formed on the outer circular ring face of the first circular belt mechanism 43, similarly to the first circular belt mechanism 6, the second circular belt mechanism 6 is configured to be a disc structure and is detachably mounted on the disc face on one side of the sprocket 7, a second circular ring track 61 embedded with the circular belt 5 is formed on the outer circular ring face of the second circular belt mechanism 6, it should be noted that the diameter of the first circular belt mechanism 43 is smaller than that of the second circular belt mechanism 6, the driving shaft 3 drives the second circular belt mechanism 6 to rotate while driving the sprocket 7 to rotate, and the driven roller 4 is driven to rotate by the circular belt 5, here, it can be understood that, when the roller chain 8 rotates, once the roller is stuck, the driven roller 4 can still be a structure for replacing the roller of the roller chain 8 to realize the function of transporting objects, thereby ensuring the normal operation of the speed doubling chain mechanism.

Here, it should be noted that the first seat body 11 and the second seat body 12 are respectively provided with a symmetrical open slot on the upper end surface thereof, the two symmetrical open slots form an opening 13 when being combined into a whole, and the roller 41 is partially located above the opening 13, specifically, the upper end roller surface of the roller chain 8, which is located outside the upper end surface of the support seat 1, and the upper end roller surface of the driven roller 4, which is located outside the upper end surface of the support seat 1 (i.e. the upper end roller surface of the roller), are located on the same horizontal plane, which ensures that the objects are located on the same horizontal plane when being transferred onto the roller chain 8 and the driven roller 4, and even if the roller chain 8 is jammed, the transfer can be smoothly realized under the action of the driven roller 4.

In this embodiment, the bottom of supporting seat 1 is still dismantled the formula and is installed and connect dirt box 10, connect dirt box 10 to have opening storage tank 101 up, the below of driven roller 4 is arranged in to this storage tank 101, just storage tank 101 communicates with the inner chamber of supporting seat 1 (being foretell accommodation space), and this kind of setting can be to carrying the foreign matter or the aluminium bits that produce to directional the collection, guarantees the clean and tidy in stability and the workshop of carrying, simultaneously, supporting seat 1 with connect dirt box 10 dismantlement formula to be connected, made things convenient for its regularly convenient clearance to inside foreign matter or aluminium bits, the concrete structure of dismantlement formula is not injectd to this embodiment, can adopt bolted connection both but not limited to this.

In addition, the first circular belt mechanism 43 and the second circular belt mechanism 6 drive the driven roller 4 to rotate through the circular belt 5, and the second circular belt mechanism 6 and the chain wheel 7 are in an integral structure, so that the power transmission mode can enable the second circular belt mechanism 6 and the driven roller 4 to have a speed ratio relationship, and therefore the linear speed of the driven roller 4 is guaranteed to be consistent with the linear speed of the roller chain 8.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. A double-speed chain machine head structure comprises a supporting seat, a chain wheel arranged inside the supporting seat and a driving shaft coaxially connected with the chain wheel, wherein a roller chain is arranged on the chain wheel, partial roller surfaces of rollers of the roller chain are arranged outside the upper end surface of the supporting seat, and one end of the driving shaft is connected with a motor, and the double-speed chain machine head structure is characterized in that: the supporting seat is internally provided with a driven roller, the driven roller rotates with the chain wheel in a preset transmission ratio, and part of the rolling surface of the driven roller is arranged outside the upper end surface of the supporting seat.

2. The multiple speed chain head structure of claim 1, wherein: the roller of the roller chain rotates in the same direction as the driven roller.

3. The multiple speed chain head structure of claim 1, wherein: the upper end rolling surface of the roller chain, which is arranged outside the upper end surface of the supporting seat, and the upper end rolling surface of the driven roller, which is arranged outside the upper end surface of the supporting seat, are positioned on the same horizontal plane.

4. The multiple speed chain head structure of claim 1, wherein: the driven roller is coaxially provided with a first circular belt mechanism, the driving shaft on one side of the chain wheel is coaxially provided with a second circular belt mechanism, the first circular belt mechanism and the second circular belt mechanism are sleeved with circular belts, and the driven roller rotates at a preset transmission ratio by virtue of the circular belts and the chain wheel.

5. The multiple speed chain head structure of claim 4, wherein: the second circular belt mechanism is of a disc structure and is detachably mounted on the disc surface on one side of the chain wheel, and a circular ring-shaped track II embedded with a circular belt is formed on the outer circular ring surface of the second circular belt mechanism.

6. The multiple speed chain head structure of claim 1, wherein: the driven roller is of a stepped shaft structure and comprises a central shaft and a roller formed on the outer shaft surface of the central shaft, and two ends of the central shaft are rotatably connected to the shells on two sides of the supporting seat.

7. The multiple speed chain head structure of claim 4, wherein: the first circular belt mechanism is of a disc structure and is positioned on the same side face of the second circular belt mechanism, and a first circular ring-shaped track embedded with a circular belt is formed on the outer annular face of the first circular belt mechanism.

8. The multiple speed chain head structure of claim 1, wherein: the supporting seat comprises a first seat body and a second seat body which are detachably connected, an opening part matched with the driven roller and partially protruding out of the supporting seat is formed at the connection part of the first seat body and the second seat body, and a gap is formed between the inner edge of the opening part and the driven roller.

9. The multiple speed chain head structure of claim 1, wherein: and the dust collecting box is detachably arranged at the bottom of the supporting seat and provided with a containing groove with an upward opening, the containing groove is arranged below the driven roller, and the containing groove is communicated with the inner cavity of the supporting seat.