CN209834803U

CN209834803U - Rotary feeder

Info

Publication number: CN209834803U
Application number: CN201920240188.5U
Authority: CN
Inventors: 孙强
Original assignee: Beijing Beijing City Long Construction Energy Saving Technology Co Ltd
Current assignee: Beijing Beijing City Long Construction Energy Saving Technology Co Ltd
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2019-12-24
Anticipated expiration: 2029-02-25

Abstract

The utility model discloses a rotary feeder relates to cement equipment in bulk's technical field, which comprises a bod, the organism is hollow tube-shape, feed inlet and discharge gate have been seted up respectively to the organism perisporium, feed inlet and discharge gate intercommunication form the blanking passageway, it is provided with the pivot to rotate along the organism axial in the organism, the pivot perisporium is fixed with a plurality of axial blades in the pivot, organism one end outer wall is fixed with and is used for driving the rotatory power device of pivot, the organism inner wall has seted up the air channel in feed inlet one side department, the organism outer wall is fixed with the inflator that communicates with the air channel in air channel department, inflator one end intercommunication has the forced draught blower, be provided with the stop valve. The utility model discloses a forced draught blower air supply falls the adhesion at the dust clearance of blade and organism inner wall, and the adjustable airflow of clearing up the cement dust of stop valve has effectively prevented the long-term adhesion of cement dust and has influenced the feed efficiency of batcher in the organism.

Description

Rotary feeder

Technical Field

The utility model belongs to the technical field of the technique of cement equipment in bulk and specifically relates to a rotary feeder is related to.

Background

Bulk transport refers to the transport of unpackaged granular, powdered and liquid cargo using appropriate tools and equipment. The bulk transportation is realized, and the main links of production, loading, transportation, unloading, storage, use and the like are required to be matched with equipment, so that the work is coordinated. In the bulk process of cement powder, bulk cement in a silo is generally conveyed to a bulk head through a conveying mechanism, then the cement is filled into a cement tank truck through the bulk head, and a feeding device is generally required to be arranged above the bulk head so as to control the feeding amount of the bulk head.

To the above-mentioned problem, chinese patent that patent publication number is CN201808900U provides a rotary feeder capacity adjusting device, including shell, blade, the blade will inside each bin that divides into of shell, installs the striker plate in every bin, and the striker plate is installed in the tail end of two adjacent blades, and the position dislocation of the striker plate of adjacent bin arranges that every striker plate confined volume is the same. The device improves the adjusting range of the rotary feeder, and the feeding is uniform during small-flow conveying.

The above prior art solutions have the following drawbacks: when cement powder transmits in the feeder, there is the gap between batcher blade and the batcher organism inner wall, and the blade can be with partial cement powder extrusion adhesion on organism inner wall when rotatory along with the pivot, also can the adhesion cement powder when the blade drives cement rotation, if do not clear up these cement residue for a long time, will influence the feed efficiency of batcher certainly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic rotary feeder of clearance cement dust.

The utility model discloses a can realize through following technical scheme:

the utility model provides a rotary feeder, includes the organism, the organism is hollow tube-shape, feed inlet and discharge gate have been seted up respectively to the organism perisporium, the feed inlet with the discharge gate intercommunication forms the blanking passageway, follow in the organism the organism axial rotation is provided with the pivot, the pivot perisporium is fixed with a plurality of edges pivot axial's blade, organism one end outer wall is fixed with and is used for the drive the rotatory power device of pivot, the organism inner wall in feed inlet one side department has seted up the air channel, the organism outer wall in air channel department be fixed with the inflator of air channel intercommunication, inflator one end intercommunication has the forced draught blower, be provided with the stop valve that is used for adjusting the air flow in the inflator.

By adopting the technical scheme, the power device is started, the power device drives the rotating shaft to rotate, the rotating shaft drives the blades to rotate when rotating, the gap between the blades and the inner wall of the machine body is small, the downward flow of the wind at the upper part or the upward flow of the wind at the lower part can be effectively prevented, the air locking effect is achieved, and the effective transmission of the cement powder by the feeder is realized; when cement powder transmits in the organism, there is the gap between blade and the organism inner wall, and the blade has partial cement to be extruded the adhesion on organism inner wall and pivot when rotatory along with the pivot, when needing the clearance, opens the stop valve, starts the forced draught blower, and the forced draught blower blows in gas in the organism, and the cement powder of clearance adhesion, the air flow of clearance cement is controlled to the size of opening through control stop valve.

Further setting the following steps: the stop valve comprises a sealing post which is rotatably connected in the inflator and has a semicircular cross section, the sealing post rotates around the axis of the inflator, a buffer cavity is arranged in the inflator, and the buffer cavity is positioned between the inner wall of the end part of the communicating part of the inflator and the air feeder and the end surface of the sealing post;

when the sealing column rotates to be close to the vent groove, the sealing column completely covers the vent groove, and when the sealing column rotates to be far away from the vent groove, the vent groove is communicated with the air cylinder.

By adopting the technical scheme, after the air feeder is started, the fan conveys the gas into the buffer cavity, the sealing column is rotated, and when the sealing column completely shields the vent groove, the stop valve is in a closed state; when the sealing post is far away from the vent groove, the stop valve is in a fully opened state, and the area of the communication part of the vent groove and the air cylinder, which is shielded by the sealing post, is adjusted by rotating the sealing post so as to realize the control of the air flow flowing from the air cylinder to the machine body.

Further setting the following steps: the sealing post is fixed with along its length direction's bull stick in its planar one side, the bull stick with the axis coincidence of inflator, the bull stick is kept away from the one end of cushion chamber extends to and runs through the inflator tip and with the inflator rotates and is connected.

Through adopting above-mentioned technical scheme, rotate the bull stick and can realize the rotation of sealed post, both realized the adjustment of the open and close state of stop valve.

Further setting the following steps: the end part of the rotating rod, which is far away from the buffer cavity, is coaxially fixed with a ratchet wheel with symmetrical trapezoidal tooth form, and the end surface of the inflator, which is close to the ratchet wheel, is rotatably connected with a first pawl and a second pawl which are used for locking the ratchet wheel to rotate in the forward direction and the reverse direction.

By adopting the technical scheme, the first pawl and the second pawl lock the rotation of the ratchet in the positive direction and the negative direction, so that the sealing column is prevented from rotating around the axis of the rotating rod when the sealing column is impacted by excessive airflow, and the maintenance of the opening and closing state of the stop valve cannot be ensured; when the opening and closing state of the stop valve is adjusted, the ratchet wheel rotates coaxially along with the sealing column, the first pawl and the second pawl lock the ratchet wheel, and the sealing column is positioned.

Further setting the following steps: an elastic piece is elastically connected between one end of the first pawl close to the ratchet wheel and one end of the second pawl close to the ratchet wheel.

By adopting the technical scheme, the elastic piece drives the first pawl and the second pawl to rotate towards the direction close to the ratchet wheel, so that the ratchet wheel is kept in a locking state, and the effective stop of the stop valve is ensured; when rotating first pawl and second pawl towards the direction of keeping away from the ratchet, the ratchet breaks away from the locking state, rotates the pivot this moment and can adjust the open-close state of stop valve, when stopping pulling the pull rod, the elastic component's the concertina power orders about first pawl and second pawl towards the direction rotation of being close to the ratchet to lock the ratchet, realized the automatic locking of ratchet.

Further setting the following steps: the end part, far away from the ratchet, of the first pawl is hinged to a first connecting rod, the end part, far away from the ratchet, of the second pawl is hinged to a second connecting rod, the movable end of the first connecting rod is hinged to the second connecting rod, and a pull rod is fixed at the hinged position.

Through adopting above-mentioned technical scheme, pulling the pull rod makes the pull rod keep away from the ratchet, and the pull rod drives first connecting rod and second connecting rod and moves towards the direction of keeping away from the ratchet, and first pawl and the second pawl that first connecting rod and second connecting rod pulling articulated with it rotate towards the direction of keeping away from the ratchet, and the ratchet breaks away from the locking state, has realized the convenient adjustment that the ratchet breaks away from the locking state.

Further setting the following steps: a handle is fixed at the center of the ratchet wheel.

Through adopting above-mentioned technical scheme, rotate the rotation that the ratchet can be realized to the handle, realized the adjustment of stop valve open-close state promptly.

Further setting the following steps: the power device comprises a driving motor arranged at one end of the machine body, the output end of the driving motor is in transmission connection with a reduction gearbox, and the output end of the reduction gearbox is coaxially and fixedly connected with the rotating shaft.

Through adopting above-mentioned technical scheme, start driving motor, driving motor gives the reducing gear box with power transmission, gives the pivot with power transmission again after the reducing gear box deceleration, can realize the adjustment of pivot slew velocity through the reduction ratio of adjustment reducing gear box, and then has realized the adjustment of batcher feed volume.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the opening and closing state of the stop valve is adjusted by rotating the sealing column in the air cylinder, so that the feeder is convenient to clean;

(2) the first pawl and the second pawl lock the ratchet wheel, so that the opening and closing state of the stop valve is maintained;

(3) the elastic piece between first pawl and the second pawl has realized the automatic locking of ratchet, and is more stable when the stop valve uses.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

fig. 4 is a partially enlarged view of portion C of fig. 2.

Reference numerals: 1. a body; 2. a feed inlet; 3. a discharge port; 4. a rotating shaft; 5. a blade; 6. a vent channel; 7. an air cylinder; 9. Sealing the column; 10. a rotating rod; 11. a ratchet wheel; 12. a first pawl; 13. a second pawl; 14. an elastic member; 15. a first link; 16. a second link; 17. a pull rod; 18. a handle; 19. a drive motor; 20. a reduction gearbox.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a rotary feeder, organism 1 including hollow tube-shape, feed inlet 2 and discharge gate 3 have been seted up respectively to 1 perisporium of organism, feed inlet 2 and 3 intercommunications of discharge gate form vertical blanking passageway, it is connected with pivot 4 to rotate in 1 axle center department of organism in organism 1, 4 perisporums of pivot are fixed with a plurality of 4 axial blades 5 along the pivot, 5 length of blade are the same with 4 length of pivot, blade 5 is preferred six and is even circumference array distribution along 4 perisporums of pivot, 1 one end outer wall of organism is fixed with and is used for driving 4 rotatory power device of pivot, power device includes the reducing gear box 20 of being connected with 4 transmissions of pivot, the one end that 4 pivots were kept away from to reducing gear box 20 is rotated and is.

The driving motor 19 is started, the driving motor 19 transmits power to the reduction gearbox 20, the reduction gearbox 20 reduces the speed and then drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the blades 5 to rotate around the axis of the rotating shaft 4 when rotating, after the powdery material enters the machine body 1 through the feeding hole 2, the machine body 1 is uniformly divided into a plurality of independent chambers by the blades 5, the wind-down flow of upstream equipment of the feeding machine or the wind-up flow of downstream equipment of the feeding machine can be effectively prevented, and the air locking effect is achieved; when the blades 5 rotate, the materials in each chamber are driven to rotate, and when the blades 5 convey the materials to the upper part of the discharge port 3, the materials are led out from the discharge port 3, so that the rotary feeder can effectively feed the powder materials; the rotating speed of the rotating shaft 4 is controlled through the reduction gearbox 20, the discharging amount of the discharging port 3 can be adjusted, and the feeding amount of the feeding machine is adjusted.

Referring to fig. 3 and 4, a strip-shaped vent groove 6 is formed in the inner wall of the machine body 1 at one side of the feed port 2, an air cylinder 7 along the length direction of the vent groove 6 is fixed on the outer wall of the machine body 1 at the vent groove 6, the air cylinder 7 is communicated with the vent groove 6, the length of the air cylinder 7 is greater than that of the vent groove 6, and one end of the air cylinder 7 is communicated with a blower (not shown in the figure); the air cylinder 7 is internally provided with a stop valve for adjusting air flow, the stop valve comprises a sealing post 9 which is rotatably connected in the air cylinder 7 and has a semicircular cross section, the semicircular diameter of the cross section of the sealing post 9 is the same as the inner diameter of the air cylinder 7, a buffer cavity (not shown in the figure) is arranged between the inner wall of the end part of the air cylinder 7 communicated with the air feeder and the end surface of the sealing post 9 in the air cylinder 7, the sealing post 9 is fixed with a rotating rod 10 along the length direction of the sealing post on one side of the plane of the sealing post 9, the axis of the rotating rod 10 is overlapped with the axis of the air cylinder 7, and one end of the rotating rod.

When the feeder is required to be cleaned, the blower is started, the fan conveys gas into the buffer cavity, the rotating rod 10 is rotated, the rotating rod 10 drives the sealing column 9 to rotate, and when the sealing column 9 completely shields the vent groove 6, the stop valve is in a closed state; when the sealing column 9 is far away from the vent groove 6, the stop valve is in a fully opened state, and the cement powder attached to the inner wall of the machine body 1 and the blades 5 can be cleaned after gas enters the machine body 1 through the vent groove 6; by rotating the sealing post 9, the area of the communication part of the sealing post 9 covering the ventilation groove 6 and the air cylinder 7 is adjusted to realize the control of the air flow from the air cylinder 7 to the machine body 1.

A ratchet wheel 11 with symmetrical trapezoidal tooth shapes and arranged on the outer wall of the air cylinder 7 is coaxially fixed at the end part of the rotating rod 10 far away from the buffer cavity, a handle 18 is fixed at the center of the ratchet wheel 11, a first pawl 12 and a second pawl 13 for locking the forward and reverse rotation of the ratchet wheel 11 are rotatably connected to the end surface of the air cylinder 7 close to the ratchet wheel 11, an elastic part 14 is elastically connected between one end of the first pawl 12 close to the ratchet wheel 11 and one end of the second pawl 13 close to the ratchet wheel 11, and the elastic part 14 is preferably a spring; the end part of the first pawl 12 far away from the ratchet wheel 11 is hinged with a first connecting rod 15, the end part of the second pawl 13 far away from the ratchet wheel 11 is hinged with a second connecting rod 16, the movable ends of the first connecting rod 15 and the second connecting rod 16 are hinged, and a pull rod 17 is fixed at the hinged position.

The pull rod 17 is pulled to enable the pull rod 17 to be far away from the ratchet wheel 11, the pull rod 17 drives the first connecting rod 15 and the second connecting rod 16 to move towards the direction far away from the ratchet wheel 11, the first connecting rod 15 and the second connecting rod 16 pull the first pawl 12 and the second pawl 13 which are hinged with the first connecting rod 15 and the second connecting rod 16 to rotate towards the direction far away from the ratchet wheel 11, the ratchet wheel 11 is separated from a locking state, and convenient adjustment of the ratchet wheel 11 separated from the locking state is achieved; at this time, the opening and closing state of the stop valve can be adjusted by rotating the handle 18, when the pull rod 17 is stopped to be pulled, the expansion force of the elastic part 14 drives the first pawl 12 and the second pawl 13 to rotate towards the direction close to the ratchet wheel 11, and the ratchet wheel 11 is locked, so that the automatic locking of the ratchet wheel 11 is realized, the elastic part 14 keeps the ratchet wheel 11 in the locking state, and the effective stop of the stop valve on the air flow is ensured.

The implementation principle and the beneficial effects of the embodiment are as follows:

the driving motor 19 is started, the driving motor 19 decelerates through the reduction gearbox 20 and then drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the blade 5 to rotate when rotating, cement powder entering the machine body 1 from the feeding hole 2 is driven to be above the discharging hole 3 in a rotating mode and is sent out through the discharging hole 3, the rotating speed of the rotating shaft 4 is controlled through the reduction gearbox 20, the discharging amount of the discharging hole 3 can be adjusted, and the feeding amount of the feeding machine is adjusted.

When the feeder needs to be cleaned, the blower is started, the blower conveys gas into the gas cylinder 7, the pull rod 17 is pulled, the first pawl 12 and the second pawl 13 rotate towards the direction far away from the ratchet wheel 11, the ratchet wheel 11 is separated from a locking state, the rotating handle 18 drives the rotating rod 10 and the sealing column 9 to rotate, the sealing column 9 rotates to the position far away from the vent groove 6, the stop valve is in a completely opening state, the gas can be cleaned from the residual cement powder attached to the machine body 1 after entering the machine body 1 through the vent groove 6, and the sealing column 9 is rotated to adjust the area of the communicating part of the vent groove 6 and the gas cylinder 7 shielded by the sealing column 9 so as to control the flow of the gas flowing into the machine body 1 from the gas cylinder 7.

After the stop valve is adjusted, the pull rod 17 is loosened, the first pawl 12 and the second pawl 13 are driven to rotate towards the direction close to the ratchet wheel 11 by the telescopic force of the elastic part 14, the ratchet wheel 11 is locked, the automatic locking of the ratchet wheel 11 is realized, and the stability of the stop valve is effectively ensured.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A rotary feeder which is characterized in that: comprises a machine body (1), wherein the machine body (1) is hollow cylinder-shaped, the peripheral wall of the machine body (1) is respectively provided with a feeding hole (2) and a discharging hole (3), the feed inlet (2) and the discharge outlet (3) are communicated to form a blanking channel, a rotating shaft (4) is arranged in the machine body (1) along the axial direction of the machine body (1) in a rotating way, a plurality of blades (5) along the axial direction of the rotating shaft (4) are fixed on the peripheral wall of the rotating shaft (4), a power device for driving the rotating shaft (4) to rotate is fixed on the outer wall of one end of the machine body (1), a vent groove (6) is arranged on one side of the feed inlet (2) on the inner wall of the machine body (1), an air cylinder (7) communicated with the vent groove (6) is fixed on the outer wall of the machine body (1) at the vent groove (6), one end of the air cylinder (7) is communicated with a blower, and a stop valve for adjusting air flow is arranged in the air cylinder (7).

2. A rotary feeder according to claim 1, characterized in that: the stop valve comprises a sealing column (9) which is rotatably connected in the air cylinder (7) and has a semicircular cross section, the sealing column (9) rotates around the axis of the air cylinder (7), a buffer cavity is arranged in the air cylinder (7), and the buffer cavity is positioned between the inner wall of the end part of the communicating part of the air cylinder (7) and the air feeder and the end surface of the sealing column (9);

when the sealing post (9) is rotated to be close to the vent groove (6), the sealing post (9) completely covers the vent groove (6), and when the sealing post (9) is rotated to be far away from the vent groove (6), the vent groove (6) is communicated with the air cylinder (7).

3. A rotary feeder according to claim 2, characterized in that: the sealing post (9) is fixed with the bull stick (10) along its length direction in its planar one side, bull stick (10) with the axis coincidence of inflator (7), bull stick (10) are kept away from the one end of cushion chamber extends to and runs through inflator (7) tip and with inflator (7) rotate and are connected.

4. A rotary feeder according to claim 3, characterized in that: a ratchet wheel (11) with symmetrical trapezoidal tooth shapes is coaxially fixed at the end part of the rotating rod (10) far away from the buffer cavity, and a first pawl (12) and a second pawl (13) which are used for locking the ratchet wheel (11) to rotate in the forward direction and the reverse direction are rotatably connected to the end surface of the air cylinder (7) close to the ratchet wheel (11).

5. A rotary feeder according to claim 4, characterized in that: an elastic piece (14) is elastically connected between one end of the first pawl (12) close to the ratchet wheel (11) and one end of the second pawl (13) close to the ratchet wheel (11).

6. A rotary feeder according to claim 5, characterized in that: the end part, far away from the ratchet wheel (11), of the first pawl (12) is hinged to be connected with a first connecting rod (15), the end part, far away from the ratchet wheel (11), of the second pawl (13) is hinged to be connected with a second connecting rod (16), the movable end of the first connecting rod (15) is hinged to be connected with the movable end of the second connecting rod (16), and a pull rod (17) is fixed at the hinged position.

7. A rotary feeder according to claim 6, characterized in that: a handle (18) is fixed at the center of the ratchet wheel (11).

8. A rotary feeder according to claim 1, characterized in that: the power device comprises a driving motor (19) arranged at one end of the machine body (1), the output end of the driving motor (19) is in transmission connection with a reduction gearbox (20), and the output end of the reduction gearbox (20) is coaxially and fixedly connected with the rotating shaft (4).