TWI589504B - Granular material quantitative discharge device - Google Patents

Description

Quantitative discharge device for granular materials

The invention relates to a material distributing device, in particular to a quantitative discharging device which can be applied to a seed material of agricultural seeds or seed grains or granular fertilizer.

The main function of the material distribution device is to batch-output a large number of materials in batches. According to the type and characteristics of the materials, the material distribution devices can be roughly divided into liquid materials and solid materials. The material distribution devices are widely used in applications such as: The material manufacturer uses the material distribution device to assist in the automatic packaging of the material; the material distribution device is used to realize the automatic feeding of the feed; the material distribution device is used to assist the automatic spreading of the seed or the seed or the granular fertilizer; and the material distribution device is used for the medicament Or quantitative dispensing and automatic packaging of the drug.

Because the shape of seeds or seed grains or granular fertilizers is usually irregular and different in size, and often breaks and collides with each other to produce fragments or debris, causing farmers to seed or seed or grain with a planter. In the automatic sowing of fertilizers, the most common situation is that seeds or seed grains or granular fertilizers are stuck in the suction holes of the planter, which makes it impossible to sown smoothly in the soil, in addition to causing uneven seeding and affecting crops. In addition to the harvest, it will also result in the situation that the discharge cannot be reclaimed. Therefore, how to accurately ensure that each seed or seed or granular fertilizer can accurately take and discharge materials is the most urgent design.

The technical problem to be solved by the present invention is to provide a quantitative discharge device for granular materials, which has the functions of continuous, regular interval and quantitative discharge of a material and the advantages of compact structure.

In order to solve the above technical problem, an embodiment of the quantitative discharging device of the granular material of the present invention comprises: a casing and a discharging unit; the interior of the casing has a storage chamber for storing granular materials and storing materials. The chamber has a feeding port and a discharging port; the discharging unit comprises: a feeding wheel, a fixed protruding shaft, a resetter and a plurality of pushers, and the feeding wheel is rotatably installed under the discharge port, the feeding wheel The tread has a plurality of quantitative withdrawal holes arranged along the circumference to receive the granular material dropped by the discharge port, and the granular material is brought to the discharge side of the quantitative discharge device as the feed wheel rotates; The protruding shaft is fixedly mounted on the casing; the plurality of ejector are respectively disposed at positions corresponding to the feeding holes of the feeding wheel, and each ejector can cyclically pass the fixed convex shaft with the rotating feeding wheel, and pushes The hopper can be reciprocated by a fixed convex shaft along a radial radiation direction of the feed wheel between a standby position and an active position, and the ejector moving to the active position can push the granular material in the quantitative take-up hole out. Quantitative extraction hole To assist the granular material from the discharge side of the quantitative discharge apparatus, is reset to the standby position moves back the push feeder and the ejector normally stays in the standby position.

In an embodiment of the quantitative discharge device for the granular material of the present invention, the casing is a transparent casing made of a transparent plastic material, and the stock of a material in the storage chamber can be conveniently observed directly.

In an embodiment of the quantitative discharge device of the granular material of the present invention, the discharge opening is provided at the bottom of the storage chamber, the interior of the storage chamber is wide and narrow, and the inner side wall of the storage chamber extends downward at an oblique angle. To the discharge port.

An embodiment of the quantitative discharge device of the granular material of the present invention, wherein the quantitative take-up hole has a shovel hopper extending from the edge of the quantitative take-up hole toward the direction of rotation of the feed wheel at an oblique angle up to the tread At the intersection, the shovel hopper can guide the granular material into the quantitative take-up hole during the rotation of the feed wheel.

In one embodiment of the dosing device of the granular material of the present invention, the plurality of dosing holes are respectively located at equally spaced circumferential positions of the tread of the feed wheel.

In an embodiment of the dosing device for the granular material of the present invention, the fixed projection shaft has two symmetrical positions respectively located on both sides of the rotation direction of the feed wheel.

In an embodiment of the quantitative discharging device of the granular material of the present invention, the ejector comprises a cam portion and a push block, and the cam portion has two, the two cam portions are along the axial direction of the feed wheel The parallel directions respectively extend toward the two sides of the feed wheel, and the cam portion of each ejector can periodically pass through the fixed convex shaft with the rotating feed wheel, when the cam portion of the ejector passes through the fixed convex shaft. The cam portion may be in contact with the fixed convex shaft, and the fixed convex shaft may push the cam portion to push the push block from the normal standby position to the active position.

In an embodiment of the quantitative discharge device of the granular material of the present invention, the cam portion has a sloped surface which can be in contact with the fixed convex shaft when the cam portion passes through the fixed convex shaft, and the fixed convex shaft can push the inclined surface of the cam portion for Pushing the push block from the normal standby position to the active position, the cam portion can be in contact with the fixed protruding shaft when the feed wheel rotates in reverse to prevent the feed wheel from rotating backward, so that the feed wheel can only rotate toward a single discharge direction. .

In one embodiment of the dosing device for the granular material of the present invention, the push block is a cylindrical member.

In an embodiment of the dosing device for the granular material of the present invention, the push block is provided with a recess for the leading end of the granulated material to increase the capacity of the quantitative take-up hole.

In one embodiment of the dosing device of the granular material of the present invention, the resetter is a resilient member that provides a normal maintenance force for moving the pusher to a normal standby position.

In an embodiment of the quantitative discharge device of the granular material of the present invention, the resetter comprises: a magnetic element and a magnetically attractable element, wherein one embodiment is to provide a fixed magnet on the periphery of the axial center of the feed wheel, at each An ejector is provided with a magnetically attractable element such as a magnet or an iron piece, and a magnetic force between the magnet and the magnetically permeable element is used to provide a normal maintaining force for moving the ejector to a normal standby position.

In one embodiment of the dosing device for the granular material of the present invention, the shaft of the feed wheel is a metal shaft having a magnetic permeability, and the resetter is a magnet disposed in each of the ejector.

An embodiment of the quantitative discharge device for the granular material of the present invention comprises: a cover sheet covering the tread of the feed wheel for preventing a material in the quantitative take-up hole from moving toward the discharge side The quantitative withdrawal hole is dropped out.

An embodiment of the quantitative discharge device for the granular material of the present invention comprises: a brush fixedly disposed at the discharge opening of the storage chamber, preferably before the quantitative withdrawal hole of the feed wheel leaves the storage chamber Finally, at the edge contacting the discharge port, the bottom end of the brush is aligned with the wheel surface of the feed wheel, and the excess material overflowing the shovel can be removed by the brush when the quantitative withdrawal hole passes, thereby preventing the excess material. The quantitative take-up hole is brought to the discharge side.

The quantitative discharging device of the granular material of the invention has the following advantages and effects, and can be continuously and fixed by the feeding wheel continuously rotating toward the discharging direction and the plurality of quantitative collecting holes formed on the wheel surface of the feeding wheel A material is brought to the discharge side of the quantitative discharge device of the granular material at intervals and quantitatively.

Specific embodiments and other advantages and effects of the present invention will be described below in conjunction with the drawings.

The present invention provides a quantitative discharge device suitable for loose and non-tacky granular materials, such as, but not limited to, a quantitative discharge of a material such as plant seeds, feed, salt, and the like. The quantitative discharging device of the granular material of the present invention can also be installed in, for example, a vehicle, and as the vehicle is moved for seeding, the seed can be continuously, spacedly and quantitatively from the quantitative discharging device of the granular material. The discharge side is discharged and then spread on the cultivated land.

Referring first to Figures 1 to 4, there are shown structural and structural exploded views of an embodiment of a dosing device for a granular material of the present invention. An embodiment of the quantitative discharge device of the granular material of the present invention is constructed substantially comprising: a casing 10 and a discharge unit.

The interior of the casing 10 has a storage chamber 11 having a feeding port 110 and a discharge port 111. The inlet port 110 can be provided with a cover 12; preferably, the casing 10 is made of transparent plastic. The transparent casing 10 made of material allows the user to conveniently observe the stock of a material in the storage chamber 11 directly. The discharge port 111 is located at the bottom end of the storage chamber 11, and a material can be naturally discharged downwardly from the storage chamber 11 by gravity to the discharge unit. Preferably, the housing 10 is arranged in an upright or oblique manner. Preferably, the interior of the storage chamber 11 is wide and narrow, and the inner side wall of the storage chamber 11 extends downward at an oblique angle to the discharge opening 111. FIG. 2 illustrates one embodiment of manufacturing the housing 10, but not limited thereto. The housing 10 can be first formed into the left half 10L and the right half 10R of the housing 10 through a plastic injection molding technique. The left half 10L and the right half 10R are then joined into a complete and hollow interior housing 10.

The discharging unit comprises: a feeding wheel 20, a fixed protruding shaft 30, a resetter 40 and a plurality of ejector 50. The feed wheel 20 is rotatably mounted to the discharge opening 111. For example, but not limited to, a rotating shaft 21 is disposed on the axial center of the feeding wheel 20. The rotating shaft 21 and the feeding wheel 20 are combined in a relatively immovable relationship, for example, formed on the surface of the rotating shaft 21. The cutting surface or the combination of the tangential key and the feed wheel 20, the rotating shaft 21 is rotatably passed through the housing 10, and a transmission element 210 such as a gear or a sprocket can be fixedly disposed at one axial end of the rotating shaft 21 for connection with an external power source. .

The tread 201 (circumferential surface) of the feed wheel 20 has a plurality of quantitative retracting holes 22 arranged along the circumference, and the depth of the dosing hole 22 along the radial direction of the feed wheel 20 can determine the dosing hole 22 Capacity, as the feed wheel 20 rotates, the dosing orifice 22 can be moved from the discharge port 111 of the storage chamber 11 to a discharge side S of the dosing device.

In a preferred embodiment of the present invention, each of the dosing holes 22 has a shovel hopper 23 from the edge of the dosing hole 22 toward the direction of rotation D of the feed wheel 20 (see Figure 5A). The bevel extends until it intersects the tread of the feed wheel 20, and the shovel hopper 23 can guide the granular material into the dosing hole 22 during the rotation of the feed wheel 20.

A plurality of ejectors 50 are respectively disposed at positions corresponding to each of the quantitative take-up holes 22 on the feed wheel 20. The ejector 50 can reciprocate between a standby position and an active position along the radial radiation direction of the feed wheel 20. Moving, the fixed protruding shaft 30 is fixedly mounted on the housing 10, and each of the ejector 50 can circulate through the fixed protruding shaft 30 with the rotating feeding wheel 20, and the fixed protruding shaft 30 can be in contact with the passing ejector 50. For pushing the pusher 50 to the active position (see FIG. 5B), the pusher 50 moving to the active position can push the granular material in the quantitative take-up hole 22 out of the quantitative take-up hole 22, thereby avoiding granularity. The material is trapped in the dosing opening 22, which assists the discharge of the granular material from the discharge side S of the dosing device, and the resetter 40 is used to move the pusher 50 back to the standby position and to keep the pusher 50 in the normal state. Standby position (see Figure 5A).

An embodiment of the ejector 50 is configured to include a cam portion 51 and a push block 52; preferably, the fixed projecting shaft 30 shares two symmetrical positions on opposite sides of the rotational direction D of the feed wheel 20 (see 6), the ejector 50 has two cam portions 51 projecting in directions parallel to the axial direction of the feed wheel 20 toward the both sides of the feed wheel 20, and pushing the block 52 One end is connected to a position between the two cam portions 51, and the front end 521 of the push block 52 extends in the radial direction of the feed wheel 20 toward the dosing hole 22, when the pusher 50 moves to the active position. The front end 521 of the push block 52 can protrude the quantitative take-up hole 22 (see FIG. 5B) to prevent the granular material from being caught in the quantitative take-up hole 22 and ensure smooth discharge of the granular material.

The cam portion 51 has a slope 510. The bevel 510 can be in contact with the fixed cam 30 when the cam portion 51 passes the fixed cam 30. The fixed cam 30 can push the bevel 510 of the cam portion 51 to hold the push block 52 from the normal state. The position is pushed to the active position; preferably, the cam portion 51 can prevent the feed wheel 20 from rotating against the fixed projection 30 when the feed wheel 20 rotates in the reverse direction, one embodiment of which is the back of the cam portion 51 with respect to the inclined surface 510 The side forms a flat surface, and the flat surface and the fixed convex shaft 30 are used to generate the interference, so that the feeding wheel 20 can only rotate toward a single discharge direction, ensuring that the granular material can be brought to the quantitative discharge device by the quantitative withdrawal hole 22. Discharge side S.

The pusher block 52 is a columnar member comprising any one of a cylinder, a square column and a polygonal column. As shown in an embodiment of Figs. 6 and 8, the front end 521 of the push block 52 may be flat. Straight surface; see Fig. 7, showing another embodiment of the push block 52, wherein the front end 521 of the push block 52 has a recess 522; preferably, depending on the type and size of the granular material, A plurality of feed wheels 20, each of which is provided with different types and sizes of push blocks 52 and quantitative take-up holes 22, and the user can install a suitable feed wheel 20 to the casing 10 as needed (embodiment) Further explanation below). As an embodiment shown in Fig. 6, the pusher block 52 is cylindrical and the corresponding dosing aperture 22 can also be circular; as in the embodiment shown in Fig. 7, the front end 521 of the pusher block 52 has a concave shape. The groove 522 can increase the capacity of the quantitative take-up hole 22; as shown in an embodiment of Fig. 8, the front end 521 of the push block 52 and the corresponding quantitative take-up hole 22 have a relatively wide size (relative to Fig. 6 For the purposes of the example, the capacity of the dosing orifice 22 can be increased.

One embodiment of the resetter 40 employs an elastic member, such as the embodiment shown in Figures 5A-5B and Figure 6, wherein the elastic member loops over all of the pusher 50. Preferably, the resilient member is placed over the pusher. The cam portion 51 of the device 50 is adjacent to the engagement of the cam portion 51 and the push block 52, and the elastic member includes any one of an annular spring ring and a rubber ring.

Referring to FIGS. 9-11, another embodiment of the resetter 40 includes a magnetic element and a magnetically permeable element. One embodiment is to provide a fixed magnet 41 on the periphery of the axial center of the feed wheel 20, Each of the pushers 50 is provided with a magnetically attractable member such as an iron piece 42 (see Fig. 9) or a magnet 43 (see Fig. 10), and the magnetic force between the magnet 43 and the magnetically attractable element is used to provide a normal state. The holding force is used to move the pusher 50 to the normal standby position or to maintain the standby position. Another embodiment of the display resetter 40 is shown in Fig. 11, wherein the rotating shaft 21 of the feed wheel 20 is a metal shaft having a magnetism, and the resetter 40 is a magnet 43 disposed in each of the ejector 50.

Referring to Figures 1 to 4, an embodiment of the quantitative discharge device for granular materials of the present invention further comprises: a cover sheet 60 covering the tread 201 of the feed wheel 20 for preventing quantitative reclaiming The granular material in the holes 22 falls out of the dosing hole 22 during the movement toward the discharge side S. The cover sheet 60 starts from the edge of the discharge opening 111 of the storage chamber 11 along the wheel surface 201 of the feed wheel 20, and extends in the same extension direction as the rotation direction D of the feed wheel 20 to the discharge side S; In the embodiment, the cover sheet 60 has a soft inner liner 61 on the inner side surface of the tread 201 facing the feed wheel, for example, any of fluff, non-woven fabric and cloth, which can reduce the cover sheet 60 and the tread 201 of the feed wheel 20. The gap between them. Further, the cover sheet 60 is a circular arc-shaped member that abuts against the tread 201 of the feed wheel 20, and the cover sheet 60 is attached to the casing 10 by bolts 62, so that the shaft 21 does not pass through the axis of the feed wheel 20. In this case, the cover sheet 60 can still be used to maintain the feed wheel 20 in the casing 10; for different kinds or sizes of granular materials, by temporarily removing the cover sheet 60, it is convenient to replace the shape or The feed wheel 20 of the dosing hole 22 is sized.

An embodiment of the quantitative discharge device for the granular material of the present invention further comprises: a brush 70 fixedly disposed at the discharge opening 111 of the storage chamber 11, preferably at the supply wheel 20 At the edge of the feeding hole 22 which is finally in contact with the discharge opening 111 before leaving the storage chamber 11, the bottom end of the brush 70 is aligned with the tread 201 of the feed wheel 20, and can be passed by the hair when the quantitative withdrawal hole 22 passes. The brush 70 removes excess particulate material that overflows the metering orifice 22, preventing excess particulate material from being carried by the metering orifice 22 to the discharge side S; wherein the extension of the cover sheet 60 is along the metering orifice 22 The moving direction lags behind the position of the brush 70, and the extending end of the cover sheet 60 is at a position before the cam portion 51 of the ejector 50 and the fixed protruding shaft 30 are in contact.

While the present invention has been described above by way of example, the present invention is not intended to limit the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope of patent protection is subject to the terms of the claims attached to this specification.

10‧‧‧shell
10L‧‧‧left half
10R‧‧‧Right half
11‧‧‧ storage room
110‧‧‧ Feed inlet
111‧‧‧Outlet
12‧‧‧ cover
20‧‧‧ Feeding wheel
201‧‧‧90
21‧‧‧ shaft
210‧‧‧Transmission components
22‧‧‧Quantitative extraction holes
23‧‧‧Shovel hopper
30‧‧‧Fixed shaft
40‧‧‧Reset
41‧‧‧ Magnet
42‧‧‧ iron pieces
43‧‧‧ magnet
50‧‧‧ Pusher
51‧‧‧Cam Department
510‧‧‧Bevel
52‧‧‧ push block
521‧‧‧ front end
522‧‧‧ Groove
60‧‧‧ Covering film
61‧‧‧Soft lining
62‧‧‧ bolts
70‧‧‧ brushes
D‧‧‧direction of rotation
S‧‧‧ discharge side

Fig. 1 is a perspective structural view showing an embodiment of a quantitative discharge device for a granular material of the present invention. Fig. 2 is an exploded perspective view showing the structure of the embodiment of Fig. 1 showing the combination of the respective elements. Fig. 3 is a front perspective structural view of the embodiment of Fig. 1. Fig. 4 is an exploded perspective view showing the structure of the embodiment of Fig. 1 showing an embodiment of the discharge unit. 5A-5B are schematic views showing the operation of the partial structure of the embodiment of Fig. 4, showing the action state of the ejector in the standby position and the active position. Fig. 6 is a cross-sectional view showing the structure of Fig. 5B at the A-A position. Figure 7 is a partial structural exploded view of the quantitative discharge device of the granular material of the present invention, showing another embodiment configuration of the discharge unit. Figure 8 is a partial structural exploded view of the quantitative discharge device of the granular material of the present invention, showing another embodiment configuration of the discharge unit. Figure 9 is a partial structural view of the quantitative discharge device of the granular material of the present invention, showing another embodiment configuration of the resetter. Figure 10 is a partial structural view of the quantitative discharge device of the granular material of the present invention, showing another embodiment configuration of the resetter. Figure 11 is a partial structural view of the quantitative discharge device of the granular material of the present invention, showing another embodiment configuration of the resetter.

10‧‧‧shell

10L‧‧‧left half

10R‧‧‧Right half

11‧‧‧ storage room

110‧‧‧ Feed inlet

111‧‧‧Outlet

12‧‧‧ cover

20‧‧‧ Feeding wheel

201‧‧‧90

21‧‧‧ shaft

210‧‧‧Transmission components

22‧‧‧Quantitative extraction holes

23‧‧‧Shovel hopper

30‧‧‧Fixed shaft

40‧‧‧Reset

50‧‧‧ Pusher

51‧‧‧Cam Department

510‧‧‧Bevel

52‧‧‧ push block

521‧‧‧ front end

60‧‧‧ Covering film

61‧‧‧Soft lining

62‧‧‧ bolts

70‧‧‧ brushes

S‧‧‧ discharge side

Claims (10)

A quantitative discharging device for granular materials, comprising: a casing and a discharging unit; the interior of the casing has a storage chamber hollow, and the storage chamber has a feeding port and a discharging port; The material unit comprises: a feeding wheel, a fixed protruding shaft, a plurality of pushers and a resetter, the feeding wheel is rotatably mounted on the discharging port, and the wheel surface of the feeding wheel has a plurality of circumferential intervals Arranging a quantitative take-up hole, the quantitative take-up hole is moved from the discharge port to a discharge side of the quantitative discharge device as the feed wheel rotates; the fixed protruding shaft is fixedly mounted in the housing; The ejector is respectively disposed at a position corresponding to each of the quantitative reclaiming holes of the feeding wheel, and the ejector can reciprocate between a standby position and an acting position along a radial radiation direction of the feeding wheel, The ejector includes a cam portion and a push block, each of the ejector being carried by the feed wheel and cyclically passing the fixed male shaft, the fixed male shaft and the cam of the ejector passing therethrough Contact and push the push block to the active position, the resetter a restoring force for moving the ejector back to the standby position and causing the ejector to normally stay at the standby position, and the front end of the push block of the ejector moving to the active position can highlight the quantitative Hole. The quantitative discharge device of the granular material according to claim 1, wherein the inside of the storage chamber is narrow and narrow, the discharge port is disposed at the bottom of the storage chamber, and the inner side wall of the storage chamber is inclined The corner extends down to the discharge opening. The quantitative discharge device of the granular material according to claim 1, wherein the quantitative take-up hole has a shovel hopper extending from an edge of the quantitative take-up hole toward an angle of rotation of the feed wheel at an oblique angle until Intersecting with the tread, and the plurality of dosing holes are respectively located at equal positions of the circumference of the tread of the feed wheel. The quantitative discharging device of the granular material according to claim 1, wherein the fixing convex shaft has two symmetrical positions respectively located at two sides of the rotating direction of the feeding wheel, and the ejector has two cam portions, two The cam portions respectively protrude in a direction parallel to the axial direction of the feed wheel toward the both sides of the feed wheel, and one end of the push block is connected to a position between the two cam portions, the push block a front end extending along a radial radiation direction of the feed wheel toward the quantitative take-up hole; and the fixed convex shaft portion has a slope, and the inclined surface can be in contact with the fixed convex shaft when the cam portion passes through the fixed convex shaft The fixing convex shaft can push the inclined surface of the cam portion for pushing the pushing block from the standby position to the active position, and the cam portion can be generated when the feeding wheel rotates in the reverse direction and the fixed protruding shaft The resistance prevents the feed wheel from rotating in the reverse direction. A quantitative discharge device for a granular material according to claim 1, wherein the push block is a columnar member comprising any one of a cylinder, a square column and a polygonal column. A quantitative discharge device for a granular material according to claim 1, wherein the resetter is an elastic member that encloses all of the ejector, the elastic member being fitted over the cam portion of the ejector and Adjacent to the engagement of the cam portion and the push block, the elastic member includes any one of an annular spring ring and a rubber ring. A quantitative discharge device for a granular material according to claim 1, wherein the resetter comprises: a magnetic member and a magnetically attractable member, and one of the magnetic member and the magnetically attractable member is fixed adjacent to the a position of an axis of the feed wheel, the other of the magnetic element and the magnetically attractable element being disposed in each of the ejector, the magnetic force between the magnetic element and the magnetically permeable element being The feeder moves to the standby position. The quantitative discharge device of the granular material according to claim 1, wherein the resetter comprises: a metal rotating shaft having magnetism and a magnet disposed on each of the ejector, the metal rotating shaft being fixed to the feeding wheel Axis. A quantitative discharge device for a granular material according to claim 1, comprising a cover sheet covering the tread of the feed wheel, the cover sheet being fixed to the outer casing, the cover sheet being discharged from the storage chamber The edge of the mouth begins along the tread of the feed wheel and extends in the same direction of extension as the direction of rotation of the feed wheel to the discharge side of the dosing device of the granular material. The quantitative discharge device of the granular material according to claim 1, which comprises a brush, the brush is fixedly disposed at the discharge port, and the position of the brush is before the quantitative withdrawal hole leaves the storage chamber Finally, at the edge contacting the discharge port, the bottom end of the brush is aligned with the wheel surface of the feed wheel, and the extension starting point of the cover sheet is behind the hair in the moving direction along the quantitative withdrawal hole The position of the brush, the end point of the extension of the cover sheet is the position before the cam portion of the ejector contacts the fixed convex shaft.