CN111846795A

CN111846795A - Vibrating conveyor

Info

Publication number: CN111846795A
Application number: CN202010943262.7A
Authority: CN
Inventors: 周建祥; 周楠; 宇文强; 张利强; 赵业
Original assignee: Hebei Aode Industrial Equipment Co ltd
Current assignee: Hebei Aode Industrial Equipment Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2020-10-30

Abstract

A vibration conveyor comprises a frame, a base, a vibration driving device, a swinging device, a conveying supporting frame and a conveying device, wherein the vibration driving device comprises a motor, a driving belt wheel, a rotating shaft, a driven belt wheel, a belt for connecting the driving belt wheel and the driven belt wheel, an eccentric wheel fixedly arranged on the rotating shaft, a wheel sleeve sleeved on the outer circumferential surface of the eccentric wheel and a driving rod. The outer side surface of the wheel sleeve is in a regular hexagon shape to form six outer side surfaces, one end of the driving rod is fixedly connected with one outer side surface of the wheel sleeve, the other five outer side surfaces of the wheel sleeve are respectively fixed with a heat insulation plate, and each heat insulation plate is composed of an outer stainless steel plate, a middle stainless steel plate, an inner stainless steel plate, a high-temperature resistant asbestos plate and a plurality of strip-shaped transverse plates. The invention solves the problem of overhigh temperature between the eccentric wheel and the wheel sleeve, reduces the abrasion between the eccentric wheel and the wheel sleeve, thereby prolonging the service life of the wheel sleeve and ensuring the more reliable operation of the vibrating conveyor.

Description

Vibrating conveyor

Technical Field

The present invention relates to a vibrating conveyor.

Background

The vibrating conveyor is widely used for conveying powdery and granular materials in the industries of metallurgy mines, coal, building materials, chemical engineering, food and the like. There are vibratory conveyors, such as eccentric link vibratory conveyors, which have a frame, a base, a vibratory drive (also referred to as a vibration generating device or drive system or eccentric vibratory device), a swinging device, a conveying support frame, and a conveying device. The vibration driving device comprises a motor, a driving belt wheel arranged on a power output shaft of the motor, a rotating shaft, a driven belt wheel arranged on a power input end of the rotating shaft, a belt connecting the driving belt wheel and the driven belt wheel, an eccentric wheel fixedly arranged on the rotating shaft, a wheel sleeve sleeved on the outer circumferential surface of the eccentric wheel, and a driving rod (connecting rod) fixedly connected on the wheel sleeve. When the feeding device works, the eccentric wheel rotates in the wheel sleeve, the end part of the driving rod makes reciprocating motion, the vibration driving device generates vibration, the vibration is transmitted to the feeding groove of the conveying device through the driving rod, and the feeding groove is excited to make directional vibration. The materials in the groove are continuously promoted to move forwards. The during operation motor produces the heat, the eccentric wheel with relative motion between the wheel cover also can produce the heat, and conveyer operating duration is longer more, the eccentric wheel with temperature between the wheel cover is higher, if carry high temperature material (generally be 200 ℃), the eccentric wheel with temperature between the wheel cover can be higher, reaches more than 100 ℃, has aggravated the eccentric wheel with wearing and tearing between the wheel cover have influenced conveyor's chute feeder's normal work.

The inventors searched the following related patent documents: CN107585513A discloses a vibrating conveyor, which comprises a bracket, a feeding chute, a connecting rod, an eccentric wheel vibrating device and a transmission rod; the feeding groove is movably connected to the bracket through a connecting rod, and the vibration output end of the eccentric wheel vibration device drives the feeding groove to vibrate through a transmission rod; the eccentric wheel vibration device is suitable for being installed on the ground. CN105366292A discloses a vibrating conveyor, which comprises a driving system, a swinging device, a conveying support frame and a conveying device, wherein the driving system drives the swinging device to swing, the conveying support frame is hinged on the swinging device, and the conveying device is arranged on the conveying support frame.

The above techniques do not provide specific guidance for how to enable the vibrating conveyor to significantly reduce the temperature between the eccentric wheel and the wheel sleeve, thereby ensuring reliable operation of the vibrating conveyor.

Disclosure of Invention

The invention aims to provide a vibrating conveyor, which solves the problem of overhigh temperature between an eccentric wheel and a wheel sleeve, reduces the abrasion between the eccentric wheel and the wheel sleeve, prolongs the service life of the wheel sleeve and ensures that the vibrating conveyor runs more reliably.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a vibration conveyer is provided with a frame, a base, a vibration driving device (also called as a vibration generating device or a driving system or an eccentric wheel vibration device), a swinging device, a conveying supporting frame and a conveying device, wherein the vibration driving device comprises a motor, a driving belt wheel arranged on a power output shaft of the motor, a rotating shaft, a driven belt wheel arranged on a power input end of the rotating shaft, a belt for connecting the driving belt wheel and the driven belt wheel, an eccentric wheel fixedly arranged on the rotating shaft, a wheel sleeve sleeved on the outer circumferential surface of the eccentric wheel and a driving rod fixedly connected on the wheel sleeve, the technical scheme is that the outer side surface of the wheel sleeve is in a regular hexagon shape to form six outer side surfaces, one end of the driving rod is fixedly connected with one outer side surface of the corresponding wheel sleeve, and the other five outer side surfaces of the wheel sleeve, namely the non-, each heat insulation plate is composed of an outer stainless steel plate, a middle stainless steel plate, an inner stainless steel plate, a high-temperature resistant asbestos plate and a plurality of strip-shaped transverse plates, the asbestos plate is clamped between the middle stainless steel plate and the inner stainless steel plate, the plurality of strip-shaped transverse plates are positioned between the outer stainless steel plate and the middle stainless steel plate and fixed on the outer stainless steel plate, a first heat insulation space is formed by two adjacent strip-shaped transverse plates and a cavity formed by the outer stainless steel plate and the middle stainless steel plate, a plurality of conical thorn-shaped bulges are arranged on the outer side wall of the middle stainless steel plate, each thorn-shaped bulge is thin and thick, an included angle alpha between a cone formed by each thorn-shaped bulge and two buses coplanar with a (rotating) shaft is 14-16 degrees, and a plurality of round tables corresponding to the thorn-shaped bulges are arranged on a connecting body formed by the plurality of strip-shaped transverse plates and the outer stainless steel plate, each round platform-shaped hole is thin in outer part and thick in inner part, the included angle beta between two buses of a round platform formed by each round platform-shaped hole and the same plane of the rotating shaft is 38-42 degrees, each thorn-shaped protrusion is inserted into one corresponding round platform-shaped hole and extends out of the round platform-shaped hole, the thorn-shaped protrusion seals the outer end opening of the round platform-shaped hole, and a second heat insulation space is formed between each thorn-shaped protrusion and one corresponding round platform-shaped hole.

In the above technical solution, the specific structure that one heat insulation board is fixed on each of the other five outer side surfaces of the wheel sleeve, i.e. the non-connection outer side surface of the driving rod of the wheel sleeve, is preferably that two ends of each heat insulation board are fixedly connected with one outer side surface of the corresponding wheel sleeve through bolts (or screws). The two ends of each heat insulation plate preferably transversely protrude out of the two ends of the wheel sleeve, namely the transverse width of each heat insulation plate is preferably 10-20 mm (optionally 16 mm) larger than that of the wheel sleeve. The angle α is preferably 15 °. The angle beta is preferably 40 deg.

The outer side surface of the wheel sleeve is in a regular hexagon to form six outer side surfaces, one end of a driving rod is fixedly connected with one outer side surface of the wheel sleeve corresponding to the driving rod, the other five outer side surfaces of the wheel sleeve, namely the non-connecting outer side surfaces of the driving rod of the wheel sleeve, are respectively fixed with a heat insulation plate, each heat insulation plate comprises an outer stainless steel plate, a middle stainless steel plate, an inner stainless steel plate, a high temperature resistant asbestos plate and a plurality of strip-shaped transverse plates, a cavity formed by the two adjacent strip-shaped transverse plates, the outer stainless steel plate and the middle stainless steel plate forms a first heat insulation space, the outer side wall of the middle stainless steel plate is provided with a plurality of conical thorn-shaped bulges, the included angle alpha of two buses of a cone formed by each thorn-shaped bulge and a shaft (the shaft is a rotating shaft of the cone) in a coplanar manner is 14-16 degrees, and a plurality of truncated cone-shaped holes corresponding to the thorn-shaped bulges are formed in a connecting body formed by the plurality An included angle beta between two buses of the circular truncated cone formed by each circular truncated cone-shaped hole and the rotary shaft (the rotary shaft is the rotary shaft of the circular truncated cone) in the same plane is 38-42 degrees, each thorn-shaped protrusion is inserted into one corresponding circular truncated cone-shaped hole and extends out of the circular truncated cone-shaped hole, the thorn-shaped protrusion seals an outer side port of the circular truncated cone-shaped hole, and a second heat insulation space is formed between each thorn-shaped protrusion and one corresponding circular truncated cone-shaped hole. Therefore, the heat insulation plate can block heat radiation from a motor and high-temperature materials, the first heat insulation space and the second heat insulation space in the heat insulation plate block (obstruct) heat exchange, the thorn-shaped bulges are easy to radiate heat, heat generated by friction between the eccentric wheel and the wheel sleeve is convenient to be discharged outwards, tests prove that the structure is feasible for heat insulation, heat radiation and cooling, the manufacturing cost is low, after the vibrating conveyor runs for a long time (5-6 hours), the temperature between the eccentric wheel and the wheel sleeve is not more than 85 ℃, the temperature is reduced by more than 15%, the cooling effect is good, the abrasion between the eccentric wheel and the wheel sleeve is reduced, the service life of the wheel sleeve is prolonged by more than one time, the vibrating conveyor is ensured to run more reliably, and the fault rate of the vibrating conveyor is reduced by more than 25%. The vibrating conveyor can be widely used for conveying powdery and granular materials in the industries of metallurgy mines, coal, building materials, chemical engineering, food and the like.

Drawings

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

Fig. 2 and 3 are schematic structural views of the connection between the wheel cover and the heat insulation plate in the invention.

Fig. 4 is a schematic view (which can be regarded as a longitudinal sectional view) of the structure of the heat-insulating board in the present invention.

Detailed Description

Example (b): as shown in fig. 1, 2, 3, and 4, the vibrating conveyor of the present invention includes a frame 1, a base 2, a vibration driving device (also referred to as a vibration generating device or an eccentric vibrating device) 3, a swinging device 4, a conveying frame 5, and a conveying device 6. The vibration driving device comprises a motor 31, a driving belt wheel 32 arranged on a power output shaft of the motor, a rotating shaft 35, a driven belt wheel 34 arranged on a power input end of the rotating shaft, a belt 33 connecting the driving belt wheel and the driven belt wheel, an eccentric wheel 36 fixedly arranged on the rotating shaft, a wheel sleeve 37 sleeved on the outer circumferential surface of the eccentric wheel, and a driving rod 39 fixedly connected on the wheel sleeve. The outer side surface of the wheel sleeve 37 is in a regular hexagon shape to form six outer side surfaces, one end of the driving rod 39 is fixedly connected with one outer side surface of the corresponding wheel sleeve 37, and the other five outer side surfaces of the wheel sleeve 37, namely the non-connecting outer side surfaces of the driving rod of the wheel sleeve, are respectively fixed with a heat insulation plate 3'. Each heat shield 3' is composed of an outer stainless steel plate 301, an intermediate stainless steel plate 302, an inner stainless steel plate 304, a high temperature resistant asbestos plate 303, and a plurality of elongated transverse plates 305. The high-temperature resistant asbestos sheet 303, i.e., the high-temperature resistant asbestos sheet (or the high-temperature resistant asbestos sheet layer), is a commercially available product. The asbestos plate 303 is clamped between the middle stainless steel plate 302 and the inner stainless steel plate 304, the plurality of strip-shaped transverse plates 305 are located between the outer stainless steel plate 301 and the middle stainless steel plate 302, and the plurality of strip-shaped transverse plates 305 (which can be fixed to the inner side wall of the outer stainless steel plate 301) are fixed to the outer stainless steel plate 301 (namely fixed to the inner side wall of the outer stainless steel plate 301), a first heat insulation space 306 is formed by a cavity surrounded by the two adjacent strip-shaped transverse plates 305, the outer stainless steel plate 301 and the middle stainless steel plate 302, a plurality of conical thorn-shaped bulges 307 are arranged on the outer side wall of the middle stainless steel plate 302, each thorn-shaped bulge 307 is thin and thick outside, each thorn-shaped bulge 307 can be fixed to the outer side wall of the middle stainless steel plate 302 by welding, an included angle α between a cone formed by each thorn-shaped bulge and two buses coplanar with a (rotation) shaft is 14-16 ° (the included angle α is 15 °, a plurality of round platform holes 305 ' corresponding to the thorn-shaped protrusions one by one are formed in a connecting body formed by the plurality of strip-shaped transverse plates 305 and the outer stainless steel plate 301, each round platform hole 305 ' is thin outside and thick inside, an included angle beta between a round platform formed by each round platform hole and two buses coplanar with a rotating shaft is 38-42 degrees (the included angle beta is 40 degrees), each thorn-shaped protrusion 307 is inserted into one corresponding round platform hole 305 ' and extends out of the round platform hole, the thorn-shaped protrusion seals an outer end opening of the round platform hole, and a second heat insulation space 305 ' is formed between each thorn-shaped protrusion 307 and one corresponding round platform hole 305 '. In each heat shield plate 3', the thickness of the outer stainless steel plate 301, the middle stainless steel plate 302 and the inner stainless steel plate 304 may be 0.8 to 2.5mm, and in this embodiment, 1.2mm (or 1.5 mm) is adopted. Each elongated transverse plate 305 can be made of a steel plate, the height of each elongated transverse plate 305 is 7mm, the diameter of each circular truncated cone-shaped hole 305' at the contact position with the middle stainless steel plate 302 is 6mm, and the distance between every two adjacent elongated transverse plates 305 can be 4-15 mm (5 mm is adopted). The distance between the outer stainless steel plate 301 and the middle stainless steel plate 302 is 4.5mm, that is, the width of each elongated transverse plate 305 is 4.5 mm. The distance between the middle stainless steel plate 302 and the inner stainless steel plate 304 is 5mm, that is, the thickness (width) of the high temperature resistant asbestos plate 303 is 5 mm. Each barbed protrusion 307 may be machined from a steel plate. Each heat insulation plate 3 'can be provided with a row of thorn-shaped protrusions 307, and the number of the thorn-shaped protrusions 307 on each heat insulation plate 3' can be 6-7 (7 are adopted). The length of each thorn-shaped protrusion 307 extending from the circular truncated cone-shaped hole (or the length of each thorn-shaped protrusion 307 extending from the outer side surface of the outer stainless steel plate 301) is 3.8-8 mm, and in this embodiment, 7.6mm can be adopted. The center distance between two adjacent spine-shaped protrusions 307 on each insulation board 3' is 12 mm. The length of each insulation board 3' may be 96 mm. The first heat insulation space and the second heat insulation space block (obstruct) heat exchange, and the thorn-shaped bulges are easy to radiate heat.

As shown in fig. 1, 2, 3 and 4, the other five outer side surfaces of the wheel sleeve 37, i.e., the non-connection outer side surfaces of the driving rods of the wheel sleeve, are respectively fixed with one heat insulation plate 3 ', and the two ends of each heat insulation plate 3' are respectively fixedly connected with one outer side surface of the corresponding wheel sleeve through bolts (or screws) 38. The two ends of each heat insulation board 3 'transversely protrude the two ends (8 mm each) of the wheel sleeve, that is, the transverse width of each heat insulation board 3' is 16 mm greater than that of the wheel sleeve (10-20 mm can be selected in this embodiment). The included angle alpha is 15 degrees, and the included angle beta is 40 degrees. The heat insulation plate 3 is provided with a first heat insulation space 306, a second heat insulation space 305', a plurality of thorn-shaped bulges 307 easy to radiate heat and a high-temperature resistant asbestos plate 303, so that the heat insulation plate can block heat radiation from a motor and high-temperature materials, the first heat insulation space and the second heat insulation space in the heat insulation plate block (obstruct) heat exchange, the thorn-shaped bulges are easy to radiate heat, heat generated by friction between the eccentric wheel and the wheel sleeve is convenient to discharge outwards, tests prove that the heat insulation, heat radiation and temperature reduction are feasible by adopting the structure, the manufacturing cost is low, after the vibration conveyor runs for a long time (5-6 hours), the temperature between the eccentric wheel and the wheel sleeve is not more than 85 ℃, the temperature is reduced by more than 15 percent, the temperature reduction effect is good, the abrasion between the eccentric wheel and the wheel sleeve is reduced, the service life of the wheel sleeve is prolonged by more than one time, and the vibration conveyor is ensured to, the failure rate of the vibrating conveyor is reduced by more than 25%. The vibrating conveyor can be widely used for conveying powdery and granular materials in the industries of metallurgy mines, coal, building materials, chemical engineering, food and the like.

Claims

1. A vibration conveyor is provided with a frame (1), a base (2), a vibration driving device (3), a swinging device (4), a conveying supporting frame (5) and a conveying device (6), wherein the vibration driving device comprises a motor (31), a driving belt wheel (32) arranged on a power output shaft of the motor, a rotating shaft (35), a driven belt wheel (34) arranged on a power input end of the rotating shaft, a belt (33) connecting the driving belt wheel and the driven belt wheel, an eccentric wheel (36) fixedly arranged on the rotating shaft, a wheel sleeve (37) sleeved on the outer circumferential surface of the eccentric wheel and a driving rod (39) fixedly connected on the wheel sleeve, and is characterized in that the outer circumferential surface of the wheel sleeve (37) is regular hexagon to form six outer side surfaces, one end of the driving rod (39) is fixedly connected with one outer side surface of the corresponding wheel sleeve (37, the other five outer side surfaces of the wheel sleeve (37), namely the non-connection outer side surface of the driving rod of the wheel sleeve, are respectively fixed with a heat insulation plate (3 '), each heat insulation plate (3') is composed of an outer stainless steel plate (301), a middle stainless steel plate (302), an inner stainless steel plate (304), a high temperature resistant asbestos plate (303) and a plurality of strip-shaped transverse plates (305), the asbestos plate (303) is clamped between the middle stainless steel plate (302) and the inner stainless steel plate (304), the plurality of strip-shaped transverse plates (305) are positioned between the outer stainless steel plate (301) and the middle stainless steel plate (302), the plurality of strip-shaped transverse plates (305) are fixed on the outer stainless steel plate (301), and a cavity formed by the two adjacent strip-shaped transverse plates (305) and the outer stainless steel plate (301) and the middle stainless steel plate (302) forms a first heat insulation space (306), the outer side wall of the middle stainless steel plate (302) is provided with a plurality of conical thorn-shaped bulges (307), each thorn-shaped bulge (307) is thin outside and thick inside, the included angle alpha of a cone formed by each thorn-shaped bulge and two buses coplanar with a shaft is 14-16 degrees, a connecting body formed by a plurality of strip-shaped transverse plates (305) and the outer stainless steel plate (301) is provided with a plurality of circular truncated cone-shaped holes (305 ') corresponding to the thorn-shaped bulges one by one, each circular truncated cone-shaped hole (305 ') is thin outside and thick inside, the included angle beta of two buses coplanar with the rotating shaft of a circular truncated cone formed by each circular truncated cone-shaped hole is 38-42 degrees, each thorn-shaped bulge (307) is inserted into one corresponding circular truncated cone-shaped hole (305 ') and extends out of the circular truncated cone-shaped hole, and the thorn-shaped bulges close the outer side ports of the circular truncated cone-shaped holes, and a second heat insulation space (305 ') is formed between each thorn-shaped bulge (307) and one corresponding circular truncated cone-shaped hole (305').

2. The vibrating conveyor according to claim 1, wherein said other five outer side surfaces of said wheel housing (37), i.e. the non-connecting outer side surfaces of the driving rods of the wheel housing, are each fixed with a heat insulating plate (3 ') in such a manner that both ends of each heat insulating plate (3') are respectively fixedly connected with a corresponding one of the outer side surfaces of the wheel housing by means of bolts (38).

3. A vibrating conveyor according to claim 1, characterised in that the ends of each heat shield (3 ') project laterally beyond the ends of the wheel housing, i.e. the lateral width of each heat shield (3') is greater than the lateral width of the wheel housing by 16 mm.

4. A vibrating conveyor according to claim 1, characterised in that said angle α is 15 °.

5. A vibrating conveyor according to claim 1, characterised in that said angle β is 40 °.