CN214691721U

CN214691721U - Screw conveyer

Info

Publication number: CN214691721U
Application number: CN202120374067.7U
Authority: CN
Inventors: 唐步露; 江国洪
Original assignee: Chongqing Chengtou Concrete Co ltd
Current assignee: Chongqing Chengtou Concrete Co ltd
Priority date: 2021-02-10
Filing date: 2021-02-10
Publication date: 2021-11-12
Anticipated expiration: 2031-02-10

Abstract

The utility model discloses a screw conveyor, which comprises a base and a screw conveyor body which is rotationally arranged on the base and is driven by a power device to rotate, wherein a buffer tank is also fixedly arranged on the base, a guide chute is obliquely and rotationally arranged in the buffer tank, and the guide chute passes through the side wall of the buffer tank and then freely penetrates into the feed end of the screw conveyor body; one end of the power device and one end of the material guide chute are connected with a transmission mechanism, and the transmission mechanism enables the material guide chute to swing in a reciprocating manner by the power of the rotation of the power device; compared with the prior art, the utility model, add the material into the buffer slot through the workman in, then in the feed end of the leading-in screw conveyer body of material through the baffle box with the buffer slot in, rotate through power device drive screw conveyer body and carry out the transport of material, and the power device still makes the baffle box reciprocal swing through drive mechanism rotating the in-process to accelerate the material in the buffer slot and get into this internal efficiency of screw conveyer, and avoid appearing the phenomenon of jam on the baffle box.

Description

Screw conveyer

Technical Field

The utility model relates to a material transportation equipment technical field, concretely relates to screw conveyer.

Background

The screw conveyer is a machine which utilizes a motor to drive a screw to rotate and push materials so as to realize the conveying purpose. The conveying device can convey horizontally, obliquely or vertically, and has the advantages of simple structure, small cross section area, good sealing property, convenience in operation, easiness in maintenance, convenience in closed transportation and the like. The spiral conveyor is divided into a shaft spiral conveyor and a shaftless spiral conveyor in the conveying form, and is divided into a U-shaped spiral conveyor and a tubular spiral conveyor in the appearance. The shaftless screw conveyor is suitable for non-viscous dry powder materials and small particle materials, and the shaftless screw conveyor is suitable for viscous and easily-wound materials.

The working principle of the screw conveyor is that the rotating screw blade pushes the material to be conveyed by the screw conveyor, so that the force of the material not rotating together with the screw conveyor blade is the self weight of the material and the frictional resistance of the screw conveyor shell to the material. The surface type of the spiral blade welded on the rotating shaft of the spiral conveyor is solid surface type, belt surface type, blade surface type and other types according to different conveyed materials.

The existing shaftless screw conveyor adopts a manual mode to directly add materials into a feed inlet of the shaftless screw conveyor, so that the material conveying efficiency of the shaftless screw conveyor is unstable.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model aims to provide a screw conveyer to solve among the prior art, shaftless screw conveyer's the unstable problem of material conveying efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a spiral conveyor comprises a base and a spiral conveyor body which is rotatably arranged on the base and driven by a power device to rotate, wherein a buffer tank is fixedly arranged on the base, a guide chute is obliquely and rotatably arranged in the buffer tank, and the guide chute penetrates through the side wall of the buffer tank and then freely penetrates into the feeding end of a spiral conveyor main body;

one end of the power device and one end of the material guide groove are connected with a transmission mechanism, and the transmission mechanism enables the material guide groove to swing in a reciprocating mode through the power of the rotation of the power device.

Compared with the prior art, the utility model discloses following beneficial effect has:

this screw conveyer adds the material to the buffer tank through the workman in, then in the feed end of the leading-in screw conveyer body of material in with the buffer tank through the baffle box, rotate through power ware drive screw conveyer body and carry out the transport of material, and the power ware still makes the baffle box reciprocating swing through drive mechanism at the rotation in-process to accelerate the material in the buffer tank and get into this internal efficiency of screw conveyer, and avoid appearing the phenomenon of jam on the baffle box.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a cross-sectional view of the buffer tank of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments:

reference numerals in the drawings of the specification include: the device comprises a base 1, a power device 2, a spiral conveyor body 3, a buffer tank 4, a material guide groove 5, a movable hole 6, a limiting groove 7, a supporting frame 8, a driven circular gear 9, a driving circular gear 10, a first belt pulley 11, a second belt pulley 12, a transmission rod 13, a third belt pulley 14, a fourth belt pulley 15, a driving bevel gear 16, a driven bevel gear 17, a traction rod 18 and a guide hole 19.

As shown in fig. 1, an embodiment of the present invention provides a screw conveyor, including a base 1 and a screw conveyor body 3 rotatably disposed on the base 1 and driven by a power device 2 to rotate, wherein a buffer tank 4 is further fixedly disposed on the base 1, a material guide chute 5 is disposed in the buffer tank 4 in an inclined rotation manner, and the material guide chute 5 freely penetrates into a material inlet end of the screw conveyor body after passing through a sidewall of the buffer tank 4; one end of the power device 2 and one end of the material guide chute 5 are connected with a transmission mechanism, and the transmission mechanism enables the material guide chute 5 to swing back and forth by the power of the rotation of the power device 2.

This screw conveyer is through the workman add the material to in buffer tank 4, then in the leading-in screw conveyer body 3's of material feed end in with buffer tank 4 through baffle box 5, rotate through power device 2 drive screw conveyer body 3 and carry out the transport of material, and power device 2 still makes baffle box 5 reciprocating swing through drive mechanism at the rotation in-process, thereby accelerate the efficiency in the material entering screw conveyer body 3 in the buffer tank 4, and avoid appearing the phenomenon of jam on baffle box 5.

Wherein, the power device 2 can be a motor to provide power.

In this embodiment, arrange 3 slopes of screw conveyer body and the feed end of screw conveyer body 3 is its low side, and the both ends of screw conveyer body 3 all rotate with base 1 and link to each other, and the fixed cover in middle part of screw conveyer body 3 is equipped with outer ring gear, and outer ring gear meshing has first round gear, and first round gear links to each other with the output shaft of power ware 2 is fixed.

As shown in fig. 3, according to the utility model discloses a further embodiment, a screw conveyer still includes specifically carries out configuration optimization to the mounting means of buffer memory 4 and baffle box 5, it has activity hole 6 to open at the lateral wall of buffer memory 4, baffle box 5 freely passes activity hole 6, and the outer diapire of baffle box 5 rotates with activity hole 6 inner wall and links to each other, it has spacing groove 7 to open on buffer memory 4 inside wall, spacing groove 7 is located the both sides wall that buffer memory 4 arranged in opposite directions with activity hole 6, tip free rotation setting in buffer memory 4 is placed in to baffle box 5 is in spacing groove 7, and baffle box 5 all with buffer memory 4 inner wall sliding contact along the both sides wall of its guide direction.

Come to carry on spacingly and install the rotation of baffle box 5 through spacing groove 7, the cooperation baffle box 5 makes baffle box 5 at the swing in-process with the cooperation mode of being connected of 4 inner walls of buffer tank simultaneously, baffle box 5 is all the time with dividing into two independent parts in the buffer tank 4, be located the storage portion on upper portion and the supporting part that is located the lower part, avoid in-process to the buffer tank 4 in feeding, the material drops to the below of baffle box 5, make the material homoenergetic orderly drop on baffle box 5 landing to the screw conveyer body 3 in.

As shown in fig. 1, according to another embodiment of the present invention, the screw conveyor further comprises a structure optimization for a transmission mechanism, the transmission mechanism comprises a circular gear transmission structure connected to the power output shaft of the power device 2 and a bevel gear transmission structure rotatably disposed on the outer wall of the buffer storage tank 4, the circular gear transmission structure is connected to the bevel gear transmission structure through a belt transmission structure, the side wall of the buffer storage tank 4 is provided with a guide hole 19, and the guide hole 19 is penetrated by a traction structure connected between the guide chute 5 and the bevel gear transmission structure; the bevel gear transmission structure drives the traction structure to drive the material guide chute 5 to swing back and forth through circular motion.

The transmission mechanism is composed of a circular gear transmission structure, a bevel gear transmission structure, a belt transmission structure and a traction structure, so that the power of the power device 2 is transmitted to the guide chute 5, the guide chute 5 swings back and forth, and the efficiency of feeding materials on the guide chute 5 into the spiral conveyor body 3 is accelerated.

As shown in fig. 1, according to the utility model discloses a further embodiment, a screw conveyer still includes in proper order to circular gear drive structure, belt drive structure, bevel gear drive structure and the configuration optimization who pulls the structure, the circular gear drive structure of adoption includes support frame 8 and the driven circular gear 9 of rotation setting on support frame 8 of fixed connection on the base 1 lateral wall, driven circular gear 9 meshes has the initiative circular gear 10 that is located between base 1 and the screw conveyer body 3, and driven circular gear 9 links to each other with belt drive structure, initiative circular gear 10 links to each other with the power output shaft of power ware 2.

In the process of driving the spiral conveyor body 3 to rotate, the power device 2 drives the driven circular gear 9 to rotate through the driving circular gear 10, the driven circular gear 9 drives the belt transmission structure to operate, and the guide chute 5 is made to swing back and forth through the bevel gear transmission structure and the traction structure in sequence; and the driven circular gear 9 is supported by the supporting frame 8, and the driving circular gear 10 and the driven circular gear 9 are reasonably arranged and installed.

The belt transmission structure that adopts includes first band pulley 11 and rotation setting second band pulley 12 and the third band pulley 14 on base 1 lateral wall that links to each other with driven circular gear 9 is coaxial, rotates on the outer wall of buffer memory groove 4 and is provided with fourth band pulley 15, all links to each other through belt transmission between first band pulley 11 and the second band pulley 12 and between third band pulley 14 and the fourth band pulley 15, links to each other through transfer line 13 between second band pulley 12 and the third band pulley 14.

When the driven circular gear 9 rotates, the driven circular gear sequentially passes through the first belt wheel 11, the second belt wheel 12, the transmission rod 13, the third belt wheel 14 and the fourth belt wheel 15 to perform transmission, so that the bevel gear transmission structure and the traction structure sequentially drive the guide chute 5 to swing back and forth; and the first belt wheel 11, the second belt wheel 12, the transmission rod 13, the third belt wheel 14 and the fourth belt wheel 15 are reasonably arranged on the side wall of the base 1 according to the structural design of the spiral conveyor.

In order to improve the stability of the transmission rod 13 in the transmission process, a plurality of support sleeves fixedly connected to the side wall of the base 1 are rotatably sleeved on the outer wall of the transmission rod 13, and the number of the support sleeves in this embodiment is two.

As shown in fig. 2, a bevel gear driving structure is adopted which includes a driving bevel gear 16 coaxially connected to the fourth pulley 15 and a driven bevel gear 17 engaged with the driving bevel gear 16, and a traction structure is connected to the driven bevel gear 17.

The driving bevel gear 16 is driven to rotate during the rotation of the fourth pulley 15, and then the traction structure drives the material guide chute 5 to swing back and forth through the driven bevel gear 17.

The adopted traction structure comprises a transmission shaft which freely passes through a guide hole 19, one end of the transmission shaft is rotatably connected with the outer wall of one end of the material guide groove 5, the other end of the transmission shaft is rotatably connected with a traction rod 18, and the traction rod 18 is rotatably connected with the eccentric position of a driven bevel gear 17.

During the rotation of the driven bevel gear 17, the transmission shaft is made to slide back and forth in the guide hole 19 by the traction rod 18, so that the material guide chute 5 is made to swing back and forth, and the material in the material guide chute is quickly guided into the spiral conveyor body 3.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A spiral conveyor comprises a base and a spiral conveyor body which is rotatably arranged on the base and driven by a power device to rotate, and is characterized in that a buffer tank is fixedly arranged on the base, a guide chute is obliquely and rotatably arranged in the buffer tank, and the guide chute penetrates through the side wall of the buffer tank and then freely penetrates into the feeding end of the spiral conveyor body;

2. A screw conveyor according to claim 1, wherein: the transmission mechanism comprises a circular gear transmission structure connected with a power output shaft of the power device and a bevel gear transmission structure rotatably arranged on the outer wall of the buffer tank, the circular gear transmission structure is connected with the bevel gear transmission structure through a belt transmission structure, the side wall of the buffer tank is provided with a guide hole, and the guide hole penetrates through a traction structure connected between the guide chute and the bevel gear transmission structure; the bevel gear transmission structure drives the traction structure to drive the guide chute to swing in a reciprocating manner through circular motion.

3. A screw conveyor according to claim 2, wherein: the circular gear transmission structure comprises a support frame fixedly connected to the side wall of the base and a driven circular gear rotatably arranged on the support frame, the driven circular gear is meshed with a driving circular gear located between the base and the spiral conveyor body, the driven circular gear is connected with the belt transmission structure, and the driving circular gear is connected with a power output shaft of the power device.

4. A screw conveyor according to claim 3, wherein: the belt transmission structure comprises a first belt wheel coaxially connected with the driven circular gear, a second belt wheel and a third belt wheel which are rotatably arranged on the side wall of the base, a fourth belt wheel is rotatably arranged on the outer wall of the buffer storage groove, the first belt wheel and the second belt wheel and the third belt wheel are connected through belt transmission, and the second belt wheel and the third belt wheel are connected through a transmission rod.

5. A screw conveyor according to claim 4, wherein: the bevel gear transmission structure comprises a driving bevel gear coaxially connected with the fourth belt wheel and a driven bevel gear meshed with the driving bevel gear, and the traction structure is connected with the driven bevel gear.

6. A screw conveyor according to claim 5, wherein: the traction structure comprises a transmission shaft which freely penetrates through the guide hole, one end of the transmission shaft is rotatably connected with the outer wall of one end of the guide chute, the other end of the transmission shaft is rotatably connected with a traction rod, and the traction rod is rotatably connected with the eccentric position of the driven bevel gear.

7. A screw conveyor according to claim 1, wherein: the buffer tank is characterized in that a movable hole is formed in the side wall of the buffer tank, the guide chute freely penetrates through the movable hole, the outer bottom wall of the guide chute is rotatably connected with the inner wall of the movable hole, a limiting groove is formed in the inner side wall of the buffer tank, the limiting groove and the movable hole are formed in the two opposite side walls of the buffer tank, the guide chute is arranged in the buffer tank, the end portion of the guide chute in the buffer tank is freely rotatably arranged in the limiting groove, and the two side walls of the guide chute in the guide direction are in sliding contact with the inner wall of the buffer tank.