JP5362535B2 - Spraying device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a scattering apparatus effective for the scattering of chemicals, especially establishing the prevention of leakage of the chemicals of fine particles by heightening the contact accuracy and state to the periphery surface of a delivering roll, and improved so that the separation and detachment of a hopper part from a scattering part may be carried out by one-touch operation. <P>SOLUTION: The scattering apparatus A constituted by attaching the hopper part 2 onto a scattering part 1 having the delivering roll 1a is constituted as follows. A dropping port 18 installed in the hopper part 2 is communicated with a delivering concave part 5 of the delivering roll 1 through a communicating member 17. The communicating member 17 has a communicating opening 20 for communicating the dropping port 18 with the delivering concave part 5 by forming a nearly block shape having a size corresponding to the delivering roll 1a, and a roll-intimately contacting arc part 21 following the rotating periphery surface of the delivering roll 1a and surface-contacting therewith in a wide range. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention is attached to the rear part of a self-propelled working machine such as a tractor and spreads sprays such as fertilizer (granular material), lime (powder material), and medicine (particulate material) to a field such as a field. The present invention relates to a spraying device, and more particularly to a spraying device effective for spraying a medicine.

A spreading device attached to the rear part of a self-propelled working machine such as a tractor and spraying fertilizer (granular material), medicine (particulate matter), etc. on a field such as a field is a feed roll that is driven and rotated by a spraying motor. (Distributing roll) A spraying part, a hopper part mounted on the spraying part and containing a medicine, and a spraying part (falling port) opened below the feeding roll in the spraying part It comprises a spray hose (conduit) attached over the soil surface (see, for example, Patent Document 1 to Patent Document 3).
The spraying device is mounted on the rear of a self-propelled working machine such as a tractor by a three-point link mechanism and is mounted on a tillage rotary to which rotational power is transmitted from the output shaft (PTO) via a universal joint. As a result, the sprayed material in the hopper is quantitatively distributed to the soil in the field through the spraying pipe while being quantitatively fed by the rotation of the feeding roll.

By the way, the spraying part in which the feeding roll is rotatably provided is provided with a brush member in which a flocking material or the like is bundled so as to partition the upper half side and the lower half side of the circumference of the feeding roll. . This brush member is disposed on both sides of the upper half of the cross section (round section) of the feeding roll with the tip of the flocking material in contact with the peripheral surface of the feeding roll.
As a result, the sprayed material such as the medicine discharged from the dropping port opened at the bottom of the hopper to the upper half of the circumference of the feeding roll does not spill to the lower half of the circumference of the feeding roll. While being quantified by the respective feeding recesses provided on the peripheral surface, it is fed to the lower half of the circumference by rotation of the feeding roll and is quantitatively sprayed on the soil of the field through the spraying hole.

Japanese Utility Model Publication No. 61-10777 JP 2006-20507 A JP 2006-174818 A

However, in the case of a drug that is a sprayed product, since it is a fine particle, a brush member that bundles flocking material, etc., ensures leakage to the lower half of the circumference of the feed roll (spray port and spray hose side). It was something that could not be prevented.
That is, since the contact of the brush member with the peripheral surface of the spreading roll is a point contact or a line contact of the tip of the bundled flocking material, it is slightly between the peripheral surface of the spreading roll and the flocking material. A gap was likely to occur, and the drug leaked from the slight gap and was often wasted.
For example, when spraying on the field, the upper half of the spray roll partitioned by the brush member when approaching the edge of the field and turning the tractor with the spray motor stopped and spraying temporarily suspended. In many cases, the medicine remaining without being delivered to the head side leaks from a small gap and falls to the soil beside the field, and the user has been demanding improvements.

  In addition, as a technique for preventing such chemical leakage, a belt-like rubber member having a thickness corresponding to the thickness of the brush member (thickness of bundled flocking material) instead of the brush member, As described above, it can be considered that the feeding rolls are arranged on both sides of the upper half of the cross section (cross section). Although the suppression effect which prevents a chemical | medical agent leak is heightened by setting it as such a form compared with a brush member, the contact with respect to the surrounding surface of a supply roll is the thickness of a rubber member, and cannot be prevented completely. .

  In addition, in the conventional technology, the hopper is attached to the spraying part by fixing with bolts and nuts, etc., so several bolts and nuts are used when performing maintenance after the spraying work or after the season. There is a need for improvement in handling, such as requiring troublesome separation and removal work, such as removing the hopper and separating the hopper from the spraying part.

  Accordingly, the present invention has been made to solve the above-mentioned problems, and has improved the contact accuracy and state with respect to the peripheral surface of the feeding roll, and in particular, has established prevention of leakage of the drug that is a particulate matter. An object of the present invention is to provide a spraying device effective for spraying, and to provide an improved spraying device so that the hopper part can be detached and attached from the spraying part by a one-touch operation.

In order to solve the above-mentioned problems, the present invention is a spraying device configured to include a spraying unit having a feeding roll and a hopper unit that is mounted on the spraying unit and accommodates sprayed material. And
The drop opening provided in the bottom of the hopper and the feeding recess provided in the peripheral surface of the feeding roll are communicated with each other via a communication member, and the communication member is arranged in the cylinder direction of the feeding roll. A substantially block shape having a length and a size corresponding to the diameter thereof is formed, and includes a communication port that communicates the dropping port and the feeding recess of the feeding roll, and is arranged along the rotation circumferential surface of the feeding roll. In addition, it is characterized in that it is provided with a close-roll arc portion that makes surface contact over a wide range.
Here, the arc inner surface of the roll intimate arc portion is subjected to a smooth surface treatment so as to obtain a slip that does not interfere with the rotation of the feeding roll while being in surface contact with the peripheral surface of the feeding roll. Is preferred.
The communication member is preferably made of an elastic material, preferably an elastic rubber, particularly preferably natural rubber.

According to such a structure, it is addressed by the surface contact along the rotation peripheral surface of the feeding roll. For example, the drop opening of the hopper part and the feeding roll are fed through a communication member having a roll close arc portion that is addressed by surface contact so as to surround the upper half side circumferential surface of the feeding roll cross section (circular cross section). By communicating with the concave portion, the sprinkled matter in the hop portion, in particular, the fine particle drug is quantified in the feeding concave portion, and while maintaining the quantitative spraying by rotation on the feeding roll, It is possible to suppress the generation of a slight gap generated between the two.
In addition, since the surface of the roll close contact arc portion of the communicating member that is addressed to the peripheral surface of the feeding roll is subjected to smooth surface processing, the friction resistance with the feeding roll is suppressed, and the feeding roll The rotation can be kept smooth. That is, the rotation of the feeding roll is kept smooth while suppressing the generation of a slight gap through which the drug leaks between the peripheral surface of the feeding roll.
In addition, since the communication member is made of an elastic material, the roll close arc portion can be elastically brought into surface contact with the peripheral surface of the feeding roll. And generation | occurrence | production of the static electricity by contact with a supply roll can be suppressed by selecting natural rubber as an elastic material.

Further, the spraying portion includes a hopper mounting upper surface portion having a substantially rectangular shape in a plan view having an opening portion that connects the drop port of the hopper portion and the communication port of the communication member, and the hopper portion includes the hopper portion, Provided with a connecting lower surface portion placed on the hopper mounting upper surface portion in substantially the same shape in plan view as the hopper mounting upper surface portion, on the one edge side where the connecting lower surface portion and the hopper mounting upper surface portion overlap, It is provided with a locking means for locking it so that it can be inserted / removed or hooked, and a clamping means for tightening the other edge part in the overlapping direction so as to be freely detachable on the opposite other edge part side. To do.
Here, among the overlapping one side edge portions, the locking means is provided with a female side locking portion provided laterally on one side thereof, and provided with a lateral side on the other side, and is freely inserted into and removed from the female side locking portion. The fastening means comprises a hook portion provided on one side of the overlapping other side edge portions, and a hook portion provided on the other side. And a tightening operation portion having an annular hook portion to be hooked on the head.

According to such a configuration, when the hopper portion is mounted on the spraying portion, the connecting lower surface portion is overlapped with the hopper mounting upper surface portion, and the laterally facing female side locking portion on the one edge portion side is also horizontally oriented. By fitting and locking the male side locking portion, it is possible to connect the side edges of the overlapping hopper mounting upper surface portion and connecting lower surface portion so that the hopper portion does not float up. Then, the hooking portion provided on one side of the other edge side of the hopper mounting upper surface portion and the connecting lower surface portion is hooked with the hooking portion of the tightening operation portion provided on the other side and tightened. By tightening the operation part, the other rim part side of the overlapping hopper mounting upper surface part and the connecting lower surface part can be connected so that the hopper part does not float up.
That is, the male and female locking portions provided on the hopper mounting upper surface portion and the connecting lower surface portion can be engaged and disengaged with the female side locking portion, and the hooking portion of the tightening operation portion is tightened to the hooking portion. The hopper part can be mounted and mounted on the spraying part so as to be separable by detachable connection.

According to the present invention, the communication port provided in the communication member allows the drop port of the hopper portion to communicate with the feeding recess of the feeding roll, and the roll close arc portion is provided in a wide area along the rotating peripheral surface of the feeding roll. Adopted contact structure. In other words, on the upper half of the circumference of the rotating roll, only the feeding recess that is sequentially positioned directly below the dropping port by the rotation of the feeding roll that rotates at a constant spraying speed is in communication with the dropping port, and includes other feeding recesses. Since the peripheral surface can be in a wide surface contact state by the intimate arc portion of the roll, it is possible to maintain a high contact accuracy and state in which a slight gap does not occur between the peripheral surface of the feeding roll.
Thereby, the leakage of the drug of the fine particles can be surely prevented.

Moreover, a surface contact state with respect to the surrounding surface of the delivery roll of a roll close | contacting circular arc part can be made to elastically contact because a distribution member is an elastic material. Thereby, a contact state with the surrounding surface of a supply roll can be continuously maintained over a long period so that the chemical | medical agent of a particulate matter may not leak.
In addition, as an elastic material, for example, by selecting natural rubber, an electrostatic deterrent effect that prevents the generation of static electricity due to contact with the supply roll is obtained, and the adhesion of the drug to the inner surface of the recess of the supply recess caused by the generation of static electricity, As a result, it is possible to prevent problems such as the volume of the feeding recesses being reduced due to the accumulation of the drug on the feeding recesses and hindering the quantitative spraying. Thereby, the fixed quantity dispersion | distribution by a delivery recessed part can be continuously maintained over a long period of time. In other words, it is possible to provide a highly reliable spraying apparatus that can disperse uniformly such that the spraying amount is small or the spraying amount is too large depending on the spraying place, and the spraying can be performed uniformly.

Further, according to the present invention, when the hopper portion is mounted on the spraying portion, the detachable fitting with respect to the female side locking portion of the male and female locking portions respectively provided on the hopper mounting upper surface portion and the connecting lower surface portion. The hopper portion can be attached and placed on the spraying portion so as to be detachable by the coupling connection and the detachable connection of the hook portion of the tightening operation portion to the hook portion.
Thereby, the removal | desorption operation | work from the hopper part of the spreading | spreading part performed at the time of the maintenance after completion | finish of a spraying work or the end of a season can be easily performed by one-touch operation. Therefore, the handleability for separation / removal and the like can be improved as compared with the conventional fixing with bolts and nuts.

It is a side view which shows the state which mounted the spraying apparatus which concerns on a present Example on the tilling rotary of a tractor rear part with an existing spraying apparatus. It is a front view which expands and shows the spraying apparatus. It is a longitudinal front view which expands and shows the principal part of the spraying apparatus. In the longitudinal sectional side view, (a) shows a state where the shutter is open, and (b) shows a state where the shutter is closed. It is a perspective view which shows an example of a communicating member with a feeding roll. It is a vertical side view of the principal part which shows the state which removed and separated the hopper part from the spreading | diffusion part.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as appropriate.

FIG. 1 is a side view showing a state in which a spraying device according to the present embodiment is mounted on a tilling rotary at the rear of a tractor together with an existing spraying device, and FIG. 2 is an enlarged front view showing the spraying device. 3 is an enlarged vertical front view showing the main part of the spraying device, and FIG. 4 is an enlarged vertical side view of the same.
As shown in FIG. 1, the spraying device A according to the present embodiment uses a device machine frame b of the existing spraying device B together with an existing spraying device (an existing device for spraying fertilizer, seeds, etc.) B. When the fertilizer, seeds, lime, etc. are sprayed from the existing spraying device B to the field straw (soil) mounted on the upper part of the tillage rotary D attached to the rear part of the C by the three-point link mechanism E The medicine is sprayed to the local position of

≪Configuration of spraying device≫
As shown in FIGS. 1 to 3, the spraying means A includes a spraying unit 1 having a feeding roll (distribution roll) 1 a, a hopper unit 2 attached on the spraying unit 1 and containing a medicine, and feeding It is provided with several spraying pipes (leading pipes) 3 attached from several spraying openings 4 located below the roll 1a to the vicinity of the soil surface of the straw.

≪Spreader configuration≫
As shown in FIGS. 3 and 4, the spray unit 1 includes a distribution funnel 1b, a feed roll 1a provided in the distribution funnel 1b, and a spray motor 1c for driving and rotating the feed roll 1a.
The feeding roll 1a is formed of a synthetic resin material or the like, and includes a plurality of feeding recesses 5 on the peripheral surface as shown in FIGS. 3 and 4 and FIG. The feeding recesses 5 are formed in a substantially semicircular shape having an appropriate depth at an equal interval of 3 rows in the cylinder direction and 8 rows in the circumferential direction of the feeding roll 1a.
The feeding roll 1a is provided with a square shaft portion 6 at both axial ends, and as shown in FIGS. 2 and 3, is pivotally supported between both side support side portions 7b of a support member 7 to be described later. At the same time, the square shaft portion 6 at one end thereof is connected to a spray motor 1c that is coaxially attached to the outside of the one side support side portion 7b.

The distribution funnel 1b is formed in a substantially horizontally long rectangular shape in a plan view of an upper surface opening having a size that allows the feeding roll 1a to be horizontally installed in a loosely fitting shape (free fitting shape) by a synthetic resin material or the like. At several places on the bottom, there are provided spouts 4 that are open in parallel and downwardly in a cylindrical shape. One end of a flexible spray pipe (flexible pipe) 3 is connected to the spray port 4.
Further, as shown in FIGS. 3 and 4, the distribution funnel 1 b includes notch portions 8 for projecting the square shaft portions 6 provided at both ends of the feeding roll 1 a on both side wall surfaces to the outside, The support member 7 is formed so as to be attached in a suspended manner using a stopper such as a pin or a screw (not shown).

The support member 7 is for supporting the distribution funnel 1b in a suspended manner and for forming the hopper mounting upper surface portion 9 on which the hopper portion 2 is mounted and mounted on the spraying portion 1.
The support member 7 includes an upper surface side portion 7a having a substantially horizontally long rectangular shape in plan view that is slightly larger than the opening area of the upper surface opening portion of the distribution funnel 1b, and opposite short side edges of the upper surface side portion 7a. From the support side portion 7b that is bent and extended downward from the side, it is formed in a substantially downward U-shape in front view (see FIG. 3). The upper surface side portion 7 a forms the hopper mounting upper surface portion 9 of the spraying portion 1, and the hopper portion 2 is mounted on the hopper mounting upper surface portion 9.

  Further, as shown in FIGS. 2 and 3, both side support sides 7 b of the support member 7 are provided with attachment members (molds) 10 having downward openings. As shown in FIG. 1, the attachment members 10 on both sides are fitted and mounted on the support frame material 11 attached to the square pipe material b1 of the apparatus machine frame b. By screwing a wing screw 13 into a nut 12 provided in (see FIG. 2), the spreading unit 1 (spreading device A) can be detachably fixedly mounted on the device frame b via the support frame member 11. I am doing so.

Further, as shown in FIGS. 3 and 4, both side support side portions 7 b of the support member 7 are provided with a tightening operation portion 14 a side of the tightening means 14 described later.
Furthermore, downward edge portions 16 bent downward are provided on both side edges of the long side of the upper edge surface portion 7a of the support member 7 (the hopper mounting upper edge portion 9 of the spraying portion 1), and the downward edge portion 16 on one side thereof is provided. A female side locking portion 15a of the locking means 15 described later is provided.

  And in this embodiment, the communication member 17 which makes the surface contact in a wide range is provided in the surrounding surface of the cross section upper half part side of the feeding roll 1a of the spreading | diffusion part 1 comprised in this way. That is, as shown in FIGS. 3 and 4, each drop port 18 provided at the bottom of the hopper 2 and each feeding recess 5 in the cylinder direction of the feeding roll 1 a are communicated with each other through the opening 19 of the support member 7. A communication member 17 having a communication port 20 is provided on the upper half of the cross section of the feeding roll 1a.

≪Composition of communication member≫
FIG. 5 is a perspective view showing an example of the communicating member together with the feeding roll. Here, description will be made with reference to FIGS. 3 and 4 as appropriate.
The material of the communication member 17 is not particularly limited, but a desired elastic material such as an elastic rubber is preferable. In particular, natural rubber (antistatic effect that suppresses generation of static electricity due to contact with the feeding roll 1a) can be obtained. NR70) is preferred. In this embodiment, a natural rubber material is used to form a substantially rectangular block shape in plan view having a size corresponding to the length of the feeding roll 1a in the cylinder direction and its diameter, as shown in FIG. doing.
As shown in FIGS. 3 and 4, the communication member 17 includes a communication port 20 that communicates the dropping port 18 of the hopper 2 with the feeding recess 5 of the feeding roll 1 a, and the rotation of the feeding roll 1 a. A roll intimate arc portion 21 is provided in surface contact with the peripheral surface over a wide range along the peripheral surface.

  The communication ports 20 are opened at three locations at equal intervals in the horizontal direction in the longitudinal direction of the communication member 17. As a result, as shown in FIG. 3, the three drop openings 18 that are also opened at equal intervals in the horizontal row at the bottom of the hopper 2 and the cylinder direction of the feeding roll 1a are provided at equal intervals. The three feeding recesses 5 are individually communicated with each other.

The roll tightly arcuate portion 21 receives a medicine accommodated by the rotation of the feeding roll 1a from each drop port 18 of the hopper portion 2 to each feeding recess 5 of the feeding roll 1a by a wide range of contact with the peripheral surface of the feeding roll 1a. It serves to prevent leakage to the bottom side of the distribution funnel 1b having the spout 4.
As shown in FIG. 4, the roll intimate arc portion 21 has a semicircular shape that is in contact with a wide range so as to wrap around the upper half side circumferential surface along the circumferential surface on the upper half side of the feeding roll 1 a. Is formed. That is, the roll contact arc portion 21 is formed in the communication member 17 in the same shape as the cross-sectional shape on the upper half side of the feeding roll 1a.
Thereby, it is made to contact the said surrounding surface by the surface contact of the state (state which suppressed generation | occurrence | production of the slight clearance gap which may leak a chemical | medical agent) which does not have a clearance gap between the surrounding surfaces of the delivery roll 1a. .

  In addition, the inner surface of the arc of the roll close arc portion 21 is smoothly subjected to surface processing by an appropriate processing method. Thereby, the frictional resistance with the feeding roll 1a is suppressed, and the rotation of the feeding roll 1a is kept smooth. That is, in the surface contact state in a wide range of the roll intimate arc portion 21, the feeding roll 1a is smoothly rotated by the power of the spray motor 1c without receiving frictional resistance due to contact.

  Although not shown, an adjustment member for adjusting the contact state (contact force) of the close contact arc portion 21 with respect to the roll 1a is bolted to the back side of the upper side portion 7a of the support member 7. For example, it can be moved up and down. The adjusting member is formed in a length (width) corresponding to the length of the feeding roll 1a in the cylinder direction, and is provided on the back surface of the upper side portion 7a by four-point support with a bolt or the like.

≪Configuration of hopper part≫
The hopper 2 is formed in a substantially funnel shape as the lower half side reaches the bottom, and has a drop port 18 at the bottom.
The drop openings 18 are opened in a horizontal line at equal intervals at intervals in the cylinder direction of the feeding recesses 5 of the spray roll 1a, and medicines are individually dropped and accommodated in the feeding recesses 5 through the communication ports 20 of the communication member 17. To be.

  The bottom surface of the bottom of the hopper 2 where the drop openings 18 are opened is provided with a shutter 22 for individually opening and closing each drop opening 18 and overlapping the hopper mounting upper surface 9 of the spray section 1. A lower surface member 24 is provided for providing the hopper portion 2 with a flat connecting lower surface portion 23 to be placed together.

The shutter 22 is formed by a belt-like plate formed by bending the knob portion 22a, and slides on the lower surface of the bottom portion of the hopper portion 1 so as to individually open and close each drop port 18 while being sandwiched from below by the lower surface member 24. Each is arranged freely.
This makes it possible to spread all three places with the drop openings 18 and spray at three places, or close one drop opening 18 and spread at two places, close two drop openings 18 and spread at only one place, etc. It is possible to carry out spraying work in accordance with the spraying conditions.

The lower surface member 24 is formed in substantially the same plan view shape as the hopper mounting upper surface portion 9 of the spraying portion 1. Further, as shown in FIG. 3 and FIG. 4, an upward edge 25 that is bent upward is provided on both side edges of the short side of the lower surface member 24, and the fastening means 14 is attached to the upward edge 25 on both sides. The hanging portion 14b side is provided.
Further, a lower side edge portion 26 that is bent downward is provided on one side of the long side of the lower surface member 24, and the downward side edge portion 26 is provided on the male side locking portion 15 b side of the locking means 15. It is supposed to be.

≪Configuration of tightening means and locking means≫
FIG. 6 is a longitudinal side view of a main part showing a state where the hopper part is detached from the spraying part and separated.
The tightening means 14 and the locking means 15 are arranged so that the connecting lower surface portion 23 of the hopper portion 2 is placed on the hopper mounting upper surface portion 9 of the spraying portion 1 and the hopper mounting upper surface portion 23 is placed on the hopper mounting upper surface portion. 9 for attaching to 9 so that it can be separated and detached.

  As shown in FIGS. 2 and 3, the tightening means 14 includes a tightening operation portion 14 a having an annular hook portion 27 disposed on the upper side of both side support side portions 7 b of the support member 7, and a lower surface member. 24 (the connecting lower surface portion 23 of the hopper portion 2) and a hooking portion 14b disposed on both side upward edges 25.

  As shown in FIGS. 3 and 4, the locking means 15 includes a female side locking portion 15 a disposed laterally on the downward edge portion 16 of the support member 7, and a lower surface member 24 (connecting the hopper portion 2). A lower side edge portion 26 of the lower surface portion 23 is provided with a male side locking portion 15b disposed laterally (inwardly protruding shape).

  According to the fastening means 14 and the locking means 15 configured in this way, the long side one side edge of the hopper mounting upper surface portion 9 and the connecting lower surface portion 23 is connected to the male side locking portion 15a. The engaging portion of the stopper 15b can be hooked and detachably connected, and the other side edge of the long side is hooked and tightened by the hooking portion 27 of the tightening operation portion 14a with respect to the hooking portion 14b. It can be connected freely.

Moreover, in this embodiment, as shown in FIG. 3 and FIG. 4, an interposition member 28 made of a urethane material or the like is provided at a main point of the hopper mounting upper surface portion 9 of the spraying portion 1.
As a result, the connecting lower surface portion 23 of the hopper portion 2 is connected to the hopper mounting upper surface portion 9 of the spraying portion 1 by the locking means 15 and the fastening means 14, so that the connection between the connecting lower surface portion 23 and the hopper mounting upper surface portion 9. The important part is hermetically sealed by the interposition member 28 so that the drug of fine particles is not leaked.

  In the present embodiment, although not shown in the drawings, joint treatment using a caulking material is applied to the joints of the plate material of the hopper portion 2 formed by sheet metal processing or the like, and leakage of the fine particle drug is performed. I try to prevent it.

The specific configuration of the embodiment of the present invention is not limited to the above-described embodiment, and there are design changes and the like without departing from the gist of the present invention described in claims 1 to 5. Are also included in the present invention.
For example, the communication member 17 is not limited to an elastic material such as natural rubber, and can be formed using an appropriate material such as a synthetic resin material.

  Moreover, the latching claw piece part which latches so that it can be hooked freely as the latching means 15 which superposes and connects the connection lower surface part 23 of the hopper part 2 on the hopper mounting upper surface part 9 of the spreading | diffusion part 1. And the locking recess.

DESCRIPTION OF SYMBOLS A Spreading device 1 Spreading part 1a Feeding roll 1b Distribution funnel 1c Spreading motor 2 Hopper part 3 Spraying pipe 4 Spraying port 5 Feeding recessed part 9 Hopper mounting upper surface part 14 Tightening means 14a Tightening operation part 14b Hooking part 15 Locking means 15a Female side Locking part 15b Male locking part 17 Communication member 18 Drop port (of hopper part)
19 Opening (on top of hopper mounting)
20 Communication port 21 Roll close arc part 23 Connection bottom part

Claims (5)

A spraying device configured to include a spraying unit having a feeding roll, and a hopper unit that is mounted on the spraying unit and accommodates the sprayed material,
The drop opening provided in the bottom part of the hopper part and the feeding recess provided in the peripheral surface of the feeding roll are communicated via a communication member,
The communicating member has a substantially block shape having a size corresponding to the length of the feeding roll in the cylinder direction and a diameter thereof, and includes a communicating path that communicates the dropping port with the feeding recess, and the feeding roll A spraying device comprising a roll close circular arc portion that makes surface contact in a wide range along the rotation peripheral surface of the roller.   The spraying device according to claim 1, wherein the inner surface of the arc of the close-contact arc portion of the roll is subjected to smooth surface processing.   The spraying device according to claim 1, wherein the communication member is made of an elastic material.   The sprinkling part includes a substantially rectangular hopper mounting upper surface part in a plan view having an opening part that connects the dropping port of the hopper part and the communication port of the communication member, and the hopper part includes the hopper mounting part. A connecting lower surface portion placed on the upper surface portion of the hopper in substantially the same plan view shape as the upper surface portion, and is inserted into and removed from the one edge portion side where the connecting lower surface portion and the upper surface portion of the hopper are overlapped. Alternatively, it is provided with a locking means for hookably locking, and on the opposite other edge side, a clamping means for detachably tightening the other edge in the overlapping direction is provided. Item 4. The spraying device according to any one of Items 1 to 3. The locking means includes a female side locking portion provided laterally on one side of the overlapping one side edge portion, and a horizontal side provided on the other side, and is detachably locked to the female side locking portion. A male-side locking portion,
The tightening means includes a hooking portion provided on one side of the overlapping other edge portions, and a tightening operation portion including an annular hooking portion provided on the other side and hooked on the hooking portion. The spraying device according to claim 4, wherein the spraying device is configured.

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