CN210312174U - Spiral reversed loader - Google Patents

Abstract

The utility model relates to a spiral reversed loader, which comprises a shell, at least two spiral shafts and a transmission mechanism, wherein the side wall of the shell is provided with a feed inlet and a discharge outlet, and the feed inlet and the discharge outlet are respectively positioned at the two ends of the shell in the length direction and are respectively communicated with the inside of the shell; the at least two spiral shafts are sleeved in the shell in parallel and are in rotary connection with the shell, and blades of the two adjacent spiral shafts are meshed with each other; the transmission mechanism drives at least two screw shafts to rotate. The spiral transfer machine is used for transferring paste materials, and paste can be prevented from being bonded into a column shape in the transferring process through mutual meshing of the spiral blades of the adjacent spiral shafts.

Description

Spiral reversed loader

Technical Field

The utility model relates to an environmental protection equipment technical field, concretely relates to thick solid waste to various engineering fields produce implements the spiral elevating conveyor who seals elevating conveyor.

Background

The method comprises the following steps of (1) generally adopting a belt conveyor, a scraper conveyor or a bucket elevator for transshipping paste materials such as pressure-filtered coal slime, red mud, desulfurized gypsum, municipal sludge, papermaking sludge and the like, but causing paste adhesion and sagging due to open transshipping of the first two types of equipment, and occupying a large space; although the bucket elevator is closed for transfer, the viscous paste materials are easy to adhere to the hopper, the lifting and transfer efficiency is not high, and the residual materials which cannot enter the hopper are very inconvenient to clean; the common single-tube spiral transfer equipment can not transfer paste adhered on the spiral shaft, but only be suitable for transferring powder and particle non-viscous materials. The spiral transfer machine of the utility model adopts the design of the coupled crossed blades, and the adhesion can be damaged by mutual meshing in the rotating and lifting process, thereby playing an effective transfer role for paste materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a spiral elevating conveyor plays effectual elevating conveyor to lotion class material is provided.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a spiral reversed loader comprises a shell, at least two spiral shafts and a transmission mechanism, wherein the side wall of the shell is provided with a feeding hole and a discharging hole, and the feeding hole and the discharging hole are respectively positioned at two ends of the shell and are respectively communicated with the inside of the shell; at least two screw shafts are sleeved in the shell in parallel, and the projection parts of the blades of the two adjacent screw shafts on the surface vertical to the axis are overlapped; the spiral shaft is connected with an output shaft of the transmission mechanism and is driven by the transmission mechanism to rotate.

The utility model has the advantages that: paste materials such as the filtered coal slime, the red mud, the desulfurized gypsum, the municipal sludge, the papermaking sludge and the like enter the reversed loader from the feeding hole, and along with the rotation of the spiral shaft, the materials move along the spiral shaft and are discharged from the discharging hole. Through the mutual meshing of the helical blades of the adjacent helical shafts, paste can be prevented from being adhered into a cylindrical shape in the transferring process.

Specifically, the number of the screw shafts can be two, three or four, and the number of the screw shafts can be set according to the load transferring requirement.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the width of the projection overlapping part of the blades of two adjacent screw shafts on the plane vertical to the axis is at least three-fourths of the width of the blade.

The beneficial effect of adopting the further scheme is that: the blades of the screw shaft are meshed with at least three-fourths of the height of the blades, so that the normal rotation of the screw shaft is ensured, and meanwhile, the transported materials can be effectively cut off, and paste materials are prevented from being bonded into a column shape.

And the lower end of the receiving hopper is communicated with the feed inlet.

The beneficial effect of adopting the further scheme is that: the hopper-shaped receiving hopper is arranged at the feed inlet, so that the materials can be conveniently collected to enter the reversed loader.

Further, still include (mixing) shaft and (mixing) shaft motor, two relative lateral walls of hopper have with the stirring shaft hole of stirring shaft looks adaptation, the both ends cover of (mixing) shaft is established in the (mixing) shaft hole, the one end of (mixing) shaft with the output shaft fixed connection of (mixing) shaft motor rotates under the drive of (mixing) shaft motor.

The beneficial effect of adopting the further scheme is that: the hardened and frozen blocks can be crushed into materials which can be transported by the stirring shaft in the receiving hopper, and the crushed materials enter the transfer conveyor to be transported, so that the transfer efficiency is improved, and the blockage or blockage is avoided.

Further, the transmission mechanism comprises a rotary driving device and a gear box, an output shaft of the rotary driving device is connected with an input shaft of the gear box, the gear box comprises at least two output shafts of the gear box, the output shafts of the gear box and the screw shafts are arranged in a one-to-one correspondence mode and are connected with each other, and the rotation directions of the output shafts of the adjacent gear boxes are opposite.

The beneficial effect of adopting the further scheme is that: the rotary driving device outputs power to at least two spiral shafts through the gear box, the plurality of spiral shafts can be driven to rotate through one rotary driving device, the transmission synchronism is high, a plurality of rotary driving devices are not required to be arranged, and the cost is low.

Specifically, gears with the same number of teeth, the same modulus, the same tooth-shaped pressure angle and the same diameter are sleeved on output shafts of each gear box in each gear box, and the gears on the output shafts of the adjacent gear boxes are meshed with each other, so that the rotation directions of the output shafts of the adjacent gear boxes are opposite and the speeds of the output shafts of the adjacent gear boxes are the same.

And the screw shaft further comprises a sealing seat, and two ends of the screw shaft are hermetically connected with the shell through the sealing seat.

The beneficial effect of adopting the further scheme is that: the sealing seat is arranged at the joint of the shell and the spiral shaft, so that the space inside the shell is sealed, and the transported materials are prevented from leaking.

Furthermore, the pitches of the blades of the two adjacent spiral shafts are equal and the spiral directions are opposite.

The beneficial effect of adopting the further scheme is that: the screw pitches of the blades of the two adjacent screw shafts are equal and the rotation directions are opposite, so that the smooth rotation of the screw shafts is ensured without interference.

Further, the number of the spiral shafts is two.

Further, the inside of the shell has a wear resistant layer.

The beneficial effect of adopting the further scheme is that: wear-resistant or drag-reduction lining is additionally arranged in the shell to adapt to the transshipment of high-abrasion and high-viscosity materials and reduce the abrasion and frictional resistance of the blades and the shell.

Specifically, the screw shaft and the blades on the screw shaft can be sprayed with wear-resistant, drag-reducing and corrosion-resistant coating materials.

Specifically, the wear-resistant layer material may be one of ceramic, glass, silicon carbide, or the like.

Specifically, the blades of two adjacent screw shafts are full-blade screws, and the pitches of the mutually meshed parts are equal.

Particularly, for long-distance transferring, a hanging bearing seat can be additionally arranged in the middle of the screw shaft so as to ensure that the screw shaft is straight and does not generate friction with the shell.

In particular, when the screw elevating conveyor is used for vertical lifting, the clearance between the inner wall of the casing and the screw blade can be designed to be smaller.

The utility model discloses except can implementing effectual reprinting to gluing thick lotion class material, still can reprint powder and granule class material.

The utility model has the advantages that:

(1) when unforeseen sundries are mixed in the shell, the rotating driving device is reversely rotated, and the sundries can be poured out.

(2) The inner diameter of the shell is slightly larger than the outer diameter of the helical blade, so that the transfer efficiency can be effectively ensured.

(3) Through the mutual meshing of the helical blades, the paste can be prevented from being adhered into a column shape in the transferring process.

(4) The utility model discloses can realize the totally closed high-efficient reprint of material, can effectually avoid the bonding, sagging and the flying dust of material, be an environment-friendly reprint equipment.

Drawings

Fig. 1 is a schematic structural view of a spiral reversed loader of the present invention;

fig. 2 is a top view of a screw elevating conveyor according to the present invention;

fig. 3 is a partial view a of a screw elevating conveyor according to the present invention;

FIG. 4 is a cross-sectional view of the housing and the screw shaft of the screw elevating conveyor according to the present invention;

fig. 5 is a schematic diagram of an inclined transfer structure of the spiral transfer machine of the present invention;

fig. 6 is a schematic view of a vertical transfer structure of the spiral transfer machine of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a receiving hopper, 2, a screw shaft, 3, a shell, 4, a tail end bearing seat, 5, a driving end base, 6, a gear box, 7, a coupler, 8, a rotary driving device, 9, a stirring shaft, 10, a driven end bearing sealing seat, 11, a driving end bearing sealing seat, W1, the width of a blade projection overlapping part, W2 and the width of a blade.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 6, a screw reversed loader comprises a shell 3, two screw shafts 2 and a transmission mechanism, wherein the side wall of the shell 3 is provided with a feeding hole and a discharging hole which are respectively positioned at two ends of the shell 3 and are respectively communicated with the inside of the shell 3; the two screw shafts 2 are sleeved in the shell 3 in parallel, and the projection parts of the blades of the two screw shafts 2 on the surface vertical to the axis are overlapped; the spiral shaft 2 is connected with an output shaft of the transmission mechanism and is driven by the transmission mechanism to rotate.

As shown in fig. 1 and 2, the inlet is located at the top of the left side of the housing 3, and the outlet is located at the bottom of the right side of the housing 3.

As a further aspect of the present embodiment, as shown in fig. 4, the width W1 of the projection overlapping part of the blades of the two screw shafts 2 on the plane perpendicular to the axis is at least three-fourths of the blade width W2.

As a further scheme of this embodiment, the material receiving hopper 1 is further included, the material receiving hopper 1 is fixedly connected with the top surface of the shell 3, and the lower end of the material receiving hopper 1 is communicated with the material inlet. The receiving hopper 1 is a funnel shape which is communicated up and down.

As a further scheme of this embodiment, the stirring device further comprises a stirring shaft 9 and a stirring shaft motor, two opposite side walls of the receiving hopper 1 are provided with stirring shaft holes matched with the stirring shaft 9, two ends of the stirring shaft 9 are sleeved in the stirring shaft holes, and one end of the stirring shaft 9 is fixedly connected with an output shaft of the stirring shaft motor and is driven by the stirring shaft motor to rotate.

As a further solution of the present embodiment, the transmission mechanism includes a rotation driving device 8 and a gear box 6, an output shaft of the rotation driving device 8 is connected to an input shaft of the gear box 6, the gear box 6 includes at least two gear box output shafts, the gear box output shafts are disposed in one-to-one correspondence with the screw shafts 2 and connected to each other, and the rotation directions of the adjacent gear box output shafts are opposite.

In particular, the rotary drive 8 may be a hydraulic motor or an electric motor or a combination of an electric motor and a reducer. The rotation driving device 8 can adjust the speed to adapt to the process requirement to adjust the transferring amount. The rotary drive 8 can also be reversed in order to automatically clean the material remaining in the coupling screw paste transfer machine when the transfer is stopped. The speed governing and the reversal of rotary driving device 8 can adopt prior art to realize, and its control mode is not the utility model discloses the content that will protect, for expressing succinctly no longer describe here repeatedly.

Specifically, when the two screw shafts 2 are included and the gear box 6 includes two gear box output shafts, one end of one of the gear box output shafts of the gear box 6 is fixedly connected with the output shaft of the rotary driving device, gears which have the same diameter and can be meshed with each other for transmission are sleeved on each gear box output shaft, and the other end of each gear box output shaft is arranged in one-to-one correspondence with and connected with the screw shafts 2. The two gears which are meshed with each other have the same rotating speed and opposite rotating directions, and the output shaft of the gear box drives the two spiral shafts 2 to rotate in the constant speed and the opposite directions.

Specifically, when the screw shaft 2 includes three or more screw shafts and the gear box 6 includes three or more gear box output shafts, at least three gear box output shafts of the gear box 6 are parallel to each other, gears on two adjacent gear box output shafts are engaged with each other, and axes of at least three gear box output shafts may not be in the same plane. For example, the three output shafts may be arranged in a manner that the projections of the three gearbox output shafts on a plane perpendicular to the axis are in an 'L' shape. The output shafts of the gear boxes are in one-to-one correspondence with the spiral shafts 2 and are connected with each other.

As a further scheme of the present embodiment, the screw shaft further includes a sealing seat, and both ends of the screw shaft 2 are connected with the housing 3 in a sealing manner through the sealing seat.

Specifically, the screw shaft driving device comprises a driven end bearing seal seat 10 and a driving end bearing seal seat 11, wherein the driving end bearing seal seat 11 and the screw shaft 2 are arranged in a one-to-one correspondence manner, and the driving end bearing seal seat 11 is sleeved at one end of the screw shaft 2 connected with the gear box 6 and clamped between the shell 3 and the connection position of the screw shaft 2; the driven end bearing seal bases 10 are arranged in one-to-one correspondence with the screw shafts 2, and the driven end bearing seal bases 10 are sleeved at the other ends of the screw shafts 2 and clamped between the shell 3 and the screw shafts 2.

As a further aspect of the present embodiment, the pitches of the blades of the two adjacent screw shafts 2 are equal and the rotation directions are opposite.

Specifically, the vane rotation directions of the screw shafts 2 include a left rotation and a right rotation, and when the rotation direction of one screw shaft 2 is the left rotation, the rotation direction of the screw shaft 2 adjacent thereto is the right rotation.

As a further aspect of the present embodiment, there are two screw shafts 2.

As a further aspect of this embodiment, the interior of the housing 3 has a wear resistant layer.

Specifically, the wear-resistant layer material may be one of ceramic, glass, silicon carbide, or the like.

Fig. 1 to fig. 6 are the utility model discloses a screw elevating conveyor, by hopper 1, two screw axis 2 that have full blade, casing 3 that has feed inlet and discharge gate, tail end bearing frame 4, drive end frame 5, gear box 6, constitutions such as shaft coupling 7 and rotary driving device 8, wherein hopper 1 is connected with the feed inlet of casing 3 through flange and bolt, two screw axis 2 intermeshing are installed in casing 3 that has business turn over material mouth, 3 both ends of casing that have business turn over material mouth are equipped with tail end bearing frame 4 and drive end frame 4 respectively and are used for supporting two screw axis 2 and rotary driving device 8, its rotary driving device 8 is connected with gear box 6 input through shaft coupling 7, two output shafts of gear box 6 are connected with two screw axis 2 that correspond respectively through shaft coupling or connecting pin. Two output shafts in the gear box 6 are sleeved with a pair of synchronous gears which are meshed with each other, the rotary driving device 8 drives the two spiral shafts 2 to rotate through the gear box 6, and the spiral blades of the two spiral shafts 2 have the same pitch and opposite rotation directions.

As shown in FIG. 4, the housing 3 with the material inlet and the material outlet is a cylinder shaped like the Chinese character '8', and the inner diameter of the housing 3 is slightly larger than the outer diameter of the helical blade 2. A stirring shaft 9 driven by a stirring shaft motor is arranged in the receiving hopper 1, and hardened blocks and frozen blocks can be crushed into materials which can be transported. And driven end bearing sealing seats 10 and driving end bearing sealing seats 11 for supporting the screw shafts are arranged at two ends of the shell 3, one end of each screw shaft 2 is sleeved with the driven end bearing sealing seat 10, and the other end of each screw shaft is sleeved with the driving end bearing sealing seat 11. The utility model discloses can realize the level of lotion class ropy material and powder and granule class material, slope and perpendicular totally closed high-efficient reprinting. Fig. 1, 5 and 6 are structural views of the horizontal, inclined and vertical transfer applications of the present invention, respectively.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate the orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. The spiral reversed loader is characterized by comprising a shell (3), at least two spiral shafts (2) and a transmission mechanism, wherein the side wall of the shell (3) is provided with a feeding hole and a discharging hole which are respectively positioned at two ends of the shell (3) and are respectively communicated with the inside of the shell (3); at least two screw shafts (2) are sleeved in the shell (3) in parallel, and the projection parts of the blades of the two adjacent screw shafts (2) on the surface vertical to the axis are overlapped; the spiral shaft (2) is connected with an output shaft of the transmission mechanism and is driven by the transmission mechanism to rotate.

2. A screw elevating conveyor according to claim 1, wherein the width of the projected overlapping part of the vanes of two adjacent screw shafts (2) on the plane perpendicular to the axis is at least three-quarters of the vane width.

3. The spiral reversed loader is characterized by further comprising a receiving hopper (1), wherein the receiving hopper (1) is fixedly connected with the top surface of the shell (3), and the lower end of the receiving hopper (1) is communicated with the feeding hole.

4. The spiral reversed loader is characterized by further comprising a stirring shaft (9) and a stirring shaft motor, wherein two opposite side walls of the receiving hopper (1) are provided with stirring shaft holes matched with the stirring shaft (9), two ends of the stirring shaft (9) are sleeved in the stirring shaft holes, and one end of the stirring shaft (9) is fixedly connected with an output shaft of the stirring shaft motor and is driven by the stirring shaft motor to rotate.

5. A screw loader according to claim 1 wherein the drive mechanism comprises a rotary drive (8) and a gear box (6), the rotary drive (8) having an output shaft connected to an input shaft of the gear box (6), the gear box (6) comprising at least two gear box output shafts, the gear box output shafts being arranged in a one-to-one correspondence with the screw shafts (2) and being interconnected, adjacent gear box output shafts being rotated in opposite directions.

6. A screw elevating conveyor according to claim 5, further comprising a sealing seat, wherein both ends of the screw shaft (2) are hermetically connected with the housing (3) through the sealing seat.

7. A screw elevating conveyor as claimed in claim 1, wherein the blades of two adjacent screw shafts (2) have equal pitch and opposite direction of rotation.

8. A screw elevating conveyor according to any one of claims 1-7, characterized in that said screw shafts (2) are two.

9. A screw conveyor according to any one of claims 1-7, characterized in that the interior of the casing (3) has a wear resistant layer.

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