CN210312140U

CN210312140U - But tensile belt feeder of automatically regulated belt

Info

Publication number: CN210312140U
Application number: CN201920980426.6U
Authority: CN
Inventors: 赵子欣
Original assignee: Hebei Universal Science And Technology Co ltd
Current assignee: Hebei Universal Science And Technology Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-14
Anticipated expiration: 2029-06-27

Abstract

The utility model relates to a belt feeder technical field just discloses a but tensile belt feeder of automatically regulated belt, the test platform comprises a support, the top fixedly connected with motor of frame, the output shaft fixedly connected with action wheel of motor, the cylinder outside of action wheel are connected with the conveyer belt, and the right side inner wall connection of conveyer belt has the driven shaft. This but tensile belt feeder of automatically regulated belt, through the cooperation of spring and packing ring use, when the centre-to-centre spacing of taking the conveying reduces, the spring is compressed for a short time, then releases elastic potential energy rapidly, kick-backs to initial condition for from the driving wheel and get back to initial position, resume centre-to-centre spacing, thereby reached automatically regulated's effect. Through the cooperation of accommodate the lead screw, rand and protection nut use, can adjust the compression degree of spring in adjusting the airtight space that mainboard and extension board are constituteed to the displacement of control extension board in the spout of adjusting the mainboard, thereby reached the effect that the control range is bigger.

Description

But tensile belt feeder of automatically regulated belt

Technical Field

The utility model relates to a belt feeder technical field specifically is a but tensile belt feeder of automatically regulated belt.

Background

The belt conveyor is a continuous conveying machine using a flexible conveying belt to carry and convey materials, and plays an important role in the fields of metallurgy, mines, grains, ports and the like. With the vigorous development of domestic economy, the demand of China on belt conveyors is further expanded.

The tension of belt is adjusted to current belt feeder use hydraulic pressure more, and the operator needs the degree that manual control adjusted, easily causes belt tension too big or undersize, can influence driven stability, because the elasticity of conveyer belt is great, when meetting the condition that needs adjust belt tension by a wide margin, traditional belt feeder can not satisfy the requirement moreover. Therefore, we propose a belt conveyor capable of automatically adjusting the belt tension to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a but tensile belt feeder of automatically regulated belt possesses the bigger advantage of automatically regulated, control range, has solved the problem that needs manual regulation, control range are little.

(II) technical scheme

For the bigger purpose of above-mentioned automatically regulated, control range, the utility model provides a following technical scheme: the utility model provides a but tensile belt feeder of automatically regulated belt, includes the frame, the top fixedly connected with motor of frame, the output shaft fixedly connected with action wheel of motor, the cylinder outside of action wheel is connected with the conveyer belt, and the right side inner wall connection of conveyer belt has the driven shaft.

The rear side of the driven shaft is fixedly connected with a flat key, the outer side of the excircle of the driven shaft is fixedly connected with a wheel hub, a trapezoidal groove of the wheel hub is fixedly connected with the conveyor belt, the outer side of the end step of the driven shaft is fixedly connected with a bearing, the outer side of the bearing is fixedly connected with a support plate, the right side of the support plate is movably connected with an adjusting main plate, the adjusting main plate is fixedly connected with the machine base, the right side top of the adjusting main plate is fixedly connected with an elastic washer, the top of the elastic washer is fixedly connected with a connecting screw, the left side through hole of the support plate is connected with an adjusting screw rod, the outer side of the adjusting screw rod is sleeved with a spring, the right side of the adjusting screw rod is fixedly connected with a retainer ring, the right side of the retainer ring is fixedly connected with a protective nut, the top of the flat washer is fixedly connected with a set screw.

Preferably, the motor is a three-phase asynchronous motor, and the output voltage is 380V.

Preferably, the conveyor belt is a V-shaped B-grade conveyor belt, and the material is rubber.

Preferably, the hub is of a web plate type structure, and the middle part of the hub is hollowed.

Preferably, the bearings are tapered roller bearings, the number of the bearings is two, the bearings are used in pairs, and the bearings are arranged on the driven shaft in the positive direction.

Preferably, the adjusting main board and the supporting board are made of stainless steel, a through hole is formed in the bottom of the adjusting main board and matched with a top cylinder of the connecting screw, and a threaded hole is formed in the top of the right side of the supporting board and matched with the connecting screw.

Preferably, the left side and the right side of the adjusting screw rod are respectively provided with one end thread, the left side thread of the adjusting screw rod is in threaded fit with the right side hole of the adjusting main plate, and the right side thread of the adjusting screw rod is in threaded fit with the protection nut.

Preferably, the left end of the spring is fixedly connected with the gasket, and the right end of the spring is fixedly connected with the inner wall of the support plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a but tensile belt feeder of automatically regulated belt possesses following beneficial effect:

1. this but tensile belt feeder of automatically regulated belt, through the cooperation of spring and packing ring use, when the centre-to-centre spacing of taking the conveying reduces, the spring is compressed for a short time, then releases elastic potential energy rapidly, kick-backs to initial condition for from the driving wheel and get back to initial position, resume centre-to-centre spacing, thereby reached automatically regulated's effect.

2. This but tensile belt feeder of automatically regulated belt, through accommodate the lead screw, rand and protective nut's cooperation use, can adjust the compression degree of spring in the airtight space that adjusts mainboard and extension board and constitute to the displacement of control extension board in the spout of adjusting the mainboard has enlarged the scope of spring adjusting belt conveying centre-to-centre spacing, thereby has reached the effect that the control range is bigger.

Drawings

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

fig. 2 is a schematic view of a local structure of the present invention.

In the figure: the device comprises a base 1, a motor 2, a driving wheel 3, a conveying belt 4, a driven shaft 5, a flat key 6, a hub 7, a bearing 8, an adjusting main board 9, a support board 10, an elastic gasket 11, a connecting screw 12, an adjusting screw rod 13, a spring 14, a retainer ring 15, a protective nut 16, a gasket 17, a flat gasket 18 and a set screw 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1, a belt conveyor capable of automatically adjusting belt tension comprises a base 1, the base 1 is made of gray cast iron and is placed in a working environment, a motor 2 is fixedly connected to the top of the base 1, the motor 2 is a three-phase asynchronous motor, the output voltage is 380V, an output shaft of the motor 2 is fixedly connected with a driving wheel 3, the shaft end of the driving wheel 3 is fixedly connected with an end cover of a bearing 8, the end cover of the bearing 8 is fixed on the base 1, a conveyor belt 4 is connected to the outer side of a cylinder of the driving wheel 3, the conveyor belt 4 is a V-shaped conveyor belt of B grade, is made of rubber and is attached to the side surface of a V-shaped groove.

Referring to fig. 2, a flat key 6 is fixedly connected to the rear side of a driven shaft 5, a hub 7 is fixedly connected to the outer side of the outer circle of the driven shaft 5 through the flat key 6, the hub 7 is of a web plate structure, the middle portion of the hub 7 is hollowed out to reduce the self weight of the hub 7 and reduce the load, and meanwhile, the stability of belt transmission is ensured, a trapezoidal groove of the hub 7 is fixedly connected to a conveyor belt 4, friction force is provided through the side surface of the conveyor belt 4, the hub 7 is driven to rotate around the driven shaft 5, a bearing 8 is fixedly connected to the outer side of the step at the tail end of the driven shaft 5, the bearing 8 is a tapered roller bearing, the number of the bearing 8 is two, the bearing is used in a paired manner, the driven shaft 5 is mounted in a forward direction, a support plate 10 is fixedly connected to the outer side of the bearing 8, an adjusting main plate, the top of the elastic washer 11 is fixedly connected with a connecting screw 12, the elastic washer 11 is matched with the connecting screw 12 for use, the connection stability of the adjusting main board 9 and the support plate 10 is improved, the top of the right side of the support plate 10 is provided with a U-shaped groove, the elastic washer 11 and the connecting screw 12 can move left and right in the U-shaped groove, the adjusting main board 9 and the support plate 10 are made of stainless steel, meanwhile, the strength of the adjusting main board 9 and the support plate 10 in repeated movement can be ensured through thermal refining treatment, a left side through hole of the support plate 10 is connected with an adjusting screw rod 13, the outer side of the adjusting screw rod 13 is sleeved with a spring 14, the right side of the adjusting screw rod 13 is fixedly connected with a clamping ring 15, the right side of the clamping ring 15 is fixedly connected with a protective nut 16, the left side and the right side of the adjusting screw rod 13 are respectively provided, the left side fixedly connected with packing ring 17 of spring 14, the right-hand member of spring 14 and the inner wall fixed connection of extension board 10, the left side of packing ring 17 and the left side inner wall fixed connection who adjusts mainboard 9, the top fixedly connected with plain washer 18 of adjusting mainboard 9, the top fixedly connected with set screw 19 of plain washer 18, the required moment of torsion of set screw 19 is great, prevent to shake and make its not hard up influence transmission stability to play the effect of fixed regulation mainboard 9.

The working principle is as follows: the motor 2 starts to drive the driving wheel 3 to rotate, and the driven shaft 5 is driven to rotate through the conveying belt 4, so that the material conveying function is achieved. The spring 14 is compressed by adjusting the relative position of the adjusting main plate 9 and the support plate 10 and is fixed between the gasket 17 and the clamping ring 15, when the center distance of the belt transmission is changed, the spring 14 is compressed for a short time under the action of initial force, then elastic potential energy is rapidly released to return to the initial state, so that the support plate 10 slides in the through groove of the adjusting main plate 9 and also returns to the initial position to restore the normal working state. When the compression elasticity of the spring 14 needs to be adjusted to adjust the tension of the belt, the connecting screw 12 is firstly unscrewed, the relative position of the adjusting screw rod 13 and the threaded hole is adjusted, and the compression state of the spring 14 is changed, so that the driven shaft 5 can be automatically adjusted under the condition of coping with different tensions.

In summary, the belt conveyor capable of automatically adjusting the belt tension has the advantages that through the matching use of the spring 14 and the gasket 17, when the center distance of belt conveying is reduced, the spring 14 is compressed briefly, then elastic potential energy is released rapidly, the belt conveyor rebounds to the initial state, the driven shaft 5 returns to the initial position, the center distance is recovered, and the automatic adjustment effect is achieved. Furthermore, through the matching use of the adjusting screw 13, the clamping ring 15 and the protective nut 16, the compression degree of the spring 14 in the closed space formed by the adjusting main board 9 and the supporting board 10 can be adjusted, so that the displacement of the supporting board 10 in the chute of the adjusting main board 9 is controlled, the range of the transmission center distance of the adjusting belt of the spring 14 is enlarged, and the effect of larger adjusting range is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but self-adjusting belt tension's belt feeder, includes frame (1), its characterized in that: the top of the base (1) is fixedly connected with a motor (2), an output shaft of the motor (2) is fixedly connected with a driving wheel (3), the outer side of a cylinder of the driving wheel (3) is connected with a conveyor belt (4), and the inner wall of the right side of the conveyor belt (4) is connected with a driven shaft (5);

the rear side of the driven shaft (5) is fixedly connected with a flat key (6), the outer side of the excircle of the driven shaft (5) is fixedly connected with a hub (7), a trapezoidal groove of the hub (7) is fixedly connected with the conveyor belt (4), the outer side of the tail end step of the driven shaft (5) is fixedly connected with a bearing (8), the outer side of the bearing (8) is fixedly connected with a support plate (10), the right side of the support plate (10) is movably connected with an adjusting main plate (9), the adjusting main plate (9) is fixedly connected with the machine base (1), the right side top of the adjusting main plate (9) is fixedly connected with an elastic washer (11), the top of the elastic washer (11) is fixedly connected with a connecting screw (12), the left side through hole of the support plate (10) is connected with an adjusting screw rod (13), the outer side of the adjusting screw rod (13) is sleeved with a spring (, the right side fixedly connected with protection nut (16) of rand (15), the left side of spring (14) is connected with packing ring (17), the left side of packing ring (17) with adjust the left side inner wall fixed connection of mainboard (9), adjust top step fixedly connected with plain washer (18) of mainboard (9), the top fixedly connected with set screw (19) of plain washer (18).

2. The belt conveyor capable of automatically adjusting belt tension as claimed in claim 1, wherein: the motor (2) is a three-phase asynchronous motor, and the output voltage is 380V.

3. The belt conveyor capable of automatically adjusting belt tension as claimed in claim 1, wherein: the conveying belt (4) is a V-shaped B-grade conveying belt made of rubber.

4. The belt conveyor capable of automatically adjusting belt tension as claimed in claim 1, wherein: the hub (7) is of a web plate type structure, and the middle part of the hub is hollowed.

5. The belt conveyor capable of automatically adjusting belt tension as claimed in claim 1, wherein: the bearings (8) are tapered roller bearings, the number of the bearings is two, the bearings are used in a matched mode, and the bearings are installed on the driven shaft (5) in the positive direction.

6. The belt conveyor capable of automatically adjusting belt tension as claimed in claim 1, wherein: the adjusting main board (9) and the support board (10) are made of stainless steel, a through hole is formed in the bottom of the adjusting main board (9) and matched with a top cylinder of the connecting screw (12), and a threaded hole is formed in the top of the right side of the support board (10) and matched with the connecting screw (12).

7. The belt conveyor capable of automatically adjusting belt tension as claimed in claim 1, wherein: and the left side and the right side of the adjusting screw rod (13) are respectively provided with one end thread, the left side thread of the adjusting screw rod is in threaded fit with the left side hole of the adjusting main plate (9), and the right side thread of the adjusting screw rod is in threaded fit with the protective nut (16).

8. The belt conveyor capable of automatically adjusting belt tension as claimed in claim 1, wherein: the left end of the spring (14) is fixedly connected with the gasket (17), and the right end of the spring is fixedly connected with the inner wall of the support plate (10).