CN216736209U - Vibration belt type combined feeder - Google Patents

Abstract

The utility model relates to a vibration belt type combined feeder, and belongs to the technical field of material conveying equipment. The utility model discloses a contain belt conveyor, the guide chute, vibration excitation device, guide chute upper portion is connected in the feed bin lower part, the lower part inboard is connected with vibration isolation elastic seal board, vibration isolation elastic seal board lower part is connected with the vibration excitation device bottom plate, the length of bottom plate is guaranteed at least with feed bin discharge gate parallel and level, the thickness on vibration isolation elastic seal board upper portion is less than the thickness of lower part, vibration excitation device contains the bottom plate, vibration exciter and vibration isolation spring, the vibration exciter is installed in the bottom plate lower part, the bottom plate passes through the vibration isolation spring to be installed on the support, keep apart completely between support and the belt conveyor, vibration isolation elastic seal board upper portion is provided with outside bellied circular arc. The utility model discloses a have compact structure, long service life, advantages such as operational reliability height.

Description

Vibration belt type combined feeder

Technical Field

The utility model relates to a vibration belt type combined feeder, and belongs to the technical field of material conveying equipment.

Background

The belt feeder has a series of advantages of stable operation, convenient adjustment of feeding amount, low power consumption and the like, is widely applied in production, but also has the following problems in the actual use process: in the feeding process, the bin in the bin is pressed and directly acts on the conveying belt of the belt feeder, so that the feeding machine can be impacted by the falling of large materials in the bin in the working process, the conveying belt is easy to damage, and meanwhile, the bin is pressed greatly, so that the required driving force in the feeding process is also large, the phenomenon of slipping between the conveying belt and the driving roller of the belt feeder is easy to occur, and the feeding machine cannot work normally. In order to solve the problem, a vibration belt type composite feeding device is proposed in patent No. 201320669305.2 filed by the inventor, which solves the above problems of the prior belt type feeding machine, but in the actual use process, the vibration isolation effect between the vibration device and the belt type feeding machine is poor and the occupied space of the device is too large, so the structure still needs to be further improved to thoroughly solve the problems of vibration and the too large occupied space of the whole feeding device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vibration belt type combined feeder which can effectively solve the problems of vibration and overlarge occupied space of the conventional belt type feeder in the using process.

The purpose of the utility model is realized by the following steps: the utility model provides a vibration belt combined feeder, contains belt conveyor, guide chute, vibration excitation device, guide chute upper portion is connected in the feed bin lower part, and the lower part inboard is connected with vibration isolation elastic seal board, vibration isolation elastic seal board lower part with vibration excitation device's bottom plate is connected, the length of bottom plate is guaranteed at least and feed bin discharge gate parallel and level, the thickness on vibration isolation elastic seal board upper portion is less than the thickness of lower part.

The vibration exciter is installed on the lower portion of the bottom plate, the bottom plate is installed on the support through the vibration isolation spring, and the support is completely isolated from the belt type conveying device.

And the upper part of the vibration isolation elastic sealing plate is provided with an arc protruding outwards.

And a flexible wear-resistant protection plate is arranged on the inner side of the vibration isolation elastic sealing plate.

The radius of the arc protruding outwards can ensure that the vibration isolation elastic sealing plate is not completely straightened under the action of bin pressure.

The thickness of the upper part of the vibration isolation elastic sealing plate is not more than half of the thickness of the lower part.

The lower part of the vibration isolation elastic sealing plate is connected with a bottom plate of the vibration excitation device, the length of the bottom plate of the vibration excitation device is at least equal to the discharge hole of the storage bin, the influence of materials in the storage bin on the work of the belt type conveying device can be effectively reduced, and the stable work of the belt type conveying device is guaranteed. The vibration isolation elastic sealing plate is connected to the inner side of the lower portion of the material guide chute, the lower portion of the vibration isolation elastic sealing plate is connected to the vibration excitation device, the vibration isolation elastic sealing plate and the vibration excitation device can be connected, the influence of the vibration excitation device on the material guide chute in the vibration process can be relieved, the influence of vibration on the whole feeding device is reduced, especially, the vibration isolation elastic sealing plate is connected to the inner side of the lower portion of the material guide chute, the structural size of the whole device can be effectively reduced, and the problems that the structural size is too large and the vibration isolation is poor are solved.

The vibration exciter comprises a bottom plate, a vibration exciter and a vibration isolation spring, wherein the vibration exciter is arranged on the lower portion of the bottom plate, and the bottom plate can be driven to vibrate through the vibration exciter, so that smooth conveying of materials in the bottom plate can be guaranteed under the condition that the inclination angle of the bottom plate of the vibration exciter is small. The bottom plate is installed on the support through the vibration isolation spring, and the support is completely isolated from the belt conveyor, so that the vibration of the vibration excitation device transmitted to the belt conveyor and the guide chute through the support can be effectively eliminated, and the normal operation of the feeder is ensured.

The thickness of the upper part of the vibration isolation elastic sealing plate is smaller than half of the thickness of the lower part, and meanwhile, an outward convex circular arc is arranged at the upper part with a thinner wall thickness, so that the vibration force transmitted to the feeding chute by the vibration isolation elastic sealing plate in the vibration process of the bottom plate can be relieved or even completely eliminated, and the influence of the vibration on the work of the feeding device is reduced. Because under the effect that the feed bin storehouse was pressed, the upper and lower position of placing the bottom plate of the vibration excitation device on the vibration isolation spring can change, can the full play effect in order to guarantee outside bellied circular arc, the radius design of outside bellied circular arc is for can guaranteeing that the vibration isolation elasticity closing plate is not straightened by completely under the effect that the feed bin storehouse was pressed, like this when the vibration excitation device vibrates, the effect that this circular arc still can the full play buffering vibration.

Drawings

Fig. 1, 2 and 3 are schematic structural diagrams of an embodiment of the present invention, wherein fig. 1 is a front sectional view of the schematic structural diagram of the present invention, i.e., a sectional view taken from a position a to a in fig. 2, fig. 2 is a sectional view taken from a position B to B in fig. 1, and fig. 3 is a partially enlarged view taken from a position D in fig. 2.

Detailed Description

In the embodiment shown in fig. 1 and 2, 3, the number of the parts has the following meaning: 1. a conveyor; 2. a support; 3. a belt conveyor; 4. connecting bolts: 5. a nut; 6. a material guide chute side plate; 7. a storage bin; 8. a gate; 9. a connecting member; 10. fixing the bolt; 11, buffering the arc; 12. a flexible wear-resistant protection plate; 13. a vibration isolating elastic sealing plate; 14. a vibration excitation device base plate; 15. a support; 16. a damping device; 17. a vibration motor; 18. a carrier roller; 19. a belt scale; 20. the drum is driven.

In this embodiment, gate 8 is installed to feed bin 7 discharge gate position, guide chute curb plate 6 is connected under the gate, vibration isolation elastic seal board 13 adopts the preparation of polymer polyurethane elastomer, upper portion passes through fixing bolt 10 and connects the inboard at guide chute curb plate, the lower part passes through connecting bolt 4 and nut 5 and connects on excitation device bottom plate 14, the discharge gate of feed bin is covered completely to the length of excitation device bottom plate, the thickness on the upper portion of the curb plate of vibration isolation elastic seal board is the third of lower part thickness, be provided with buffering circular arc 11 on the upper portion sheet metal simultaneously, install flexible wear-resisting guard plate 12 through connecting piece 9 in the inboard of vibration isolation elastic seal board. The vibration excitation device consists of a vibration excitation device bottom plate, a vibration motor 17, a damping device 16 and a support 15, wherein the vibration motor is arranged at the lower part of the vibration excitation device bottom plate, the vibration excitation device bottom plate is arranged on the support through a damping spring, and the support is directly arranged on a civil engineering foundation and is isolated from the foundation of the belt feeder, namely the support 2. The belt conveyor is arranged under the side plate of the bottom plate of the vibration excitation device, and the belt conveyor 3 comprises a driving roller 20, a carrier roller 18, a conveyor belt 3, a belt scale 19 and the like.

When feeding, firstly, the flat gate is opened, the materials in the bin flow out from the bin at the moment, are accumulated in a space formed by the material guide chute, the vibration isolation elastic sealing plate and the material guide chute and are simultaneously accumulated on the conveying belt, and the length of the vibration isolation elastic sealing plate completely covers the discharge hole of the bin, so that bin pressure generated by the materials in the bin does not directly act on the conveying belt, and the weighing precision of a belt conveyor arranged at the lower part of the conveying belt and a belt scale arranged at the lower part of the conveying belt is basically not influenced. In addition, the vibration isolation elastic sealing plate is arranged on the inner side of the material guide chute side plate, so that the occupied space is small, and the installation space of the whole equipment is favorably compressed.

Starting the belt conveyor, rotating the conveyor belt under the drive of the drive roller, conveying the materials stacked at the discharge port of the bottom plate of the vibration excitation device to the discharge end, finally conveying the materials to a conveyor arranged at the lower part of the belt conveyor through a discharge chute at the discharge end of the belt conveyor, and conveying the materials to a specified position by the conveyor. In the process, the gravity generated by the weight of the material on the conveying belt presses on a belt scale arranged below the conveying belt, the weight of the material on the conveying belt is weighed by the belt scale, and the weight of the material passing through the belt feeder is calculated through related calculation, so that the weighing target is realized.

Because the length of the vibration isolation elastic sealing plate is longer, and the installation space of the equipment under the bin is limited, the installation inclination angle of the base plate of the vibration excitation device is smaller and smaller than 45 degrees, under the condition, the gravity flow capability of the material is poorer, in order to ensure normal feeding, the vibration motor arranged on the vibration excitation device at the lower part of the vibration isolation elastic sealing plate is started to drive the base plate of the vibration excitation device to vibrate, the material on the base plate is activated, the flowing of the material is changed from static state to dynamic state, the gravity flow angle is reduced, the flowing capability of the material on the base plate is improved, and the feeding effect is ensured.

The upper thickness of the vibration isolation elastic sealing plate is one third of the lower thickness, and a buffering arc is arranged at the position, the radius of the arc is larger than the distance of the bottom plate of the vibration excitation device, which is caused by the pressure change of the material bin in the material bin, of the vibration excitation device, and meanwhile, the vibration excitation device at the lower part adopts the vibration isolation spring to provide support, the vibration isolation elastic sealing plate does not bear the pressure of the bin and the weight of materials on the vibration isolation elastic sealing plate, so that the service life of the vibration isolation elastic sealing plate is ensured, the vibration force of the vibration isolation elastic sealing plate on other parts of the belt feeder and the belt scale can be effectively reduced, and the working reliability of the belt conveyor and the weighing precision of the belt scale are improved. Meanwhile, due to the existence of the buffering arc, the cabin pressure can be eliminated, the adverse effect of vibration of the vibration excitation device on the damping effect can be reduced, and the damping buffering effect can be exerted to the greatest extent.

Because vibration isolation elastic sealing plate and material direct contact, the material produces the frictional wear effect to it, and its upper portion thickness is less and be provided with the bellied circular arc to the material direction, and flexible wear-resisting guard plate is installed to the inboard at vibration isolation elastic sealing plate, can provide the guard action to these positions of vibration isolation elastic sealing plate, improves its life.

Claims (6)

1. The utility model provides a vibration belt combined feeder, contains belt conveyor, guide chute, vibration excitation device which characterized in that: the upper part of the material guide chute is connected to the lower part of the storage bin, the inner side of the lower part of the material guide chute is connected with a vibration isolation elastic sealing plate, the lower part of the vibration isolation elastic sealing plate is connected with a bottom plate of the vibration excitation device, the length of the bottom plate is at least guaranteed to be parallel and level with a discharge port of the storage bin, and the thickness of the upper part of the vibration isolation elastic sealing plate is smaller than that of the lower part of the vibration isolation elastic sealing plate.

2. A vibratory belt combine feeder according to claim 1, wherein: the vibration exciter is installed on the lower portion of the bottom plate, the bottom plate is installed on the support through the vibration isolation spring, and the support is completely isolated from the belt type conveying device.

3. A vibratory belt combine feeder according to claim 1, wherein: and the upper part of the vibration isolation elastic sealing plate is provided with an arc protruding outwards.

4. A vibratory belt combine feeder according to claim 3, wherein: the radius of the arc protruding outwards can ensure that the vibration isolation elastic sealing plate is not completely straightened under the action of bin pressure.

5. A vibratory belt combine feeder according to claim 3, wherein: and a flexible wear-resistant protection plate is arranged on the inner side of the vibration isolation elastic sealing plate.

6. A vibratory belt combine feeder according to claim 4 or 5, wherein: the thickness of the upper part of the vibration isolation elastic sealing plate is not more than half of the thickness of the lower part.

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