Air injection device for sorting machine and sorting machine

Abstract

The air injection device for the sorting machine comprises an injection valve shell, an injection valve set and an extension plate, the injection valve shell is arranged on the front side of the outlet end of a conveying device and provided with an injection valve cavity, and a plurality of nozzle bodies are arranged on the top wall of the injection valve cavity. The injection valve set is arranged in the injection valve cavity and is in butt joint with the multiple nozzle bodies through the air outlet pipe, the extension plate is arranged on the injection valve shell and extends from the upper end of the injection valve shell to the outlet end of the conveying device so as to shield a gap between the injection valve shell and the outlet end of the conveying device, and therefore the phenomenon that materials are stuck due to the too large gap is avoided, and the service life of the injection valve is prolonged. Therefore, the purpose of ensuring the safety of the use effect of the equipment is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of material sorting, and in particular relates to an air jet device for a sorting machine and the sorting machine. Background Art

[0002] The jet sorting machine uses visual recognition to distinguish materials of different colors, materials or brands, and captures their location information. It controls the spraying time and position of the nozzle through an algorithm to separate the materials to be sorted. At present, the jet device is generally located in front of the outlet of the belt conveyor to facilitate jet sorting of the materials flowing out of the outlet. However, there is a large gap between the jet device and the belt conveyor, which can easily cause material jamming and affect the use effect and safety of the equipment. Utility Model Content

[0003] In view of the above-mentioned defects or shortcomings, the utility model provides an air jet device for a sorting machine and a sorting machine, aiming to solve the technical problem of material jamming caused by a large gap between the air jet device and the belt conveyor.

[0004] To achieve the above-mentioned purpose, the first aspect of the utility model provides a jet device for a sorting machine, wherein the jet device for a sorting machine includes a spray valve shell, a spray valve group and an extension plate; the spray valve shell is arranged on the front side of the outlet end of the conveying device and has a spray valve cavity, and the top wall of the spray valve cavity is provided with a plurality of nozzle bodies; the spray valve group is arranged in the spray valve cavity and is respectively connected with the plurality of nozzle bodies through air outlet pipes; the extension plate is arranged on the spray valve shell and extends from the upper end of the spray valve shell toward the outlet end of the conveying device to cover the gap between the spray valve shell and the outlet end of the conveying device.

[0005] In the embodiment of the utility model, an escape opening is provided at one end of the extension plate away from the spray valve housing, and the escape opening is used to be arranged opposite to the guide strip on the conveying device.

[0006] In an embodiment of the utility model, there are multiple avoidance openings, and the multiple avoidance openings are arranged in sequence and evenly spaced; and / or, the shape of the avoidance opening is set to be square.

[0007] In the embodiment of the utility model, the extension plate is arranged upwardly and tilted along the direction of the spray valve housing toward the outlet end of the conveying device, so that the extension plate is arranged relatively spaced from the upper side of the belt wound on the outlet roller of the conveying device.

[0008] In an embodiment of the utility model, an extension plate is bent and extended from the upper end of the back panel of the spray valve housing toward the outlet end of the conveying device; or, the extension plate extends from the top plate of the spray valve housing toward the outlet end of the conveying device and protrudes from the back panel; or the jet device for the sorting machine also includes an inner plate arranged on the outer side of the back panel of the spray valve housing, and the extension plate is bent and extended from the upper end of the inner plate toward the outlet end of the conveying device.

[0009] In an embodiment of the utility model, the spray valve housing includes a bottom plate, a front plate, a top plate and a back plate. The back plate and the front plate are relatively spaced apart. The front plate is located on the side of the back plate away from the outlet end of the conveying device. The top plate and the bottom plate are relatively spaced apart up and down and are both connected to the back plate and the front plate. The spray valve group is arranged on the bottom plate, and a plurality of nozzle bodies are arranged on the top plate.

[0010] In the embodiment of the utility model, the bottom plate, the front plate and the top plate are configured as an integrally bent structure, and the bottom plate and the top plate are respectively configured to be detachably connected to the back plate;

[0011] And / or, a long through hole for the air outlet pipe to pass through is opened on the top plate, and the long through hole is extended along the arrangement direction of the spray valve group. A spray plate is provided on the outer side of the top plate, and a plurality of nozzle mounting holes for one-to-one installation of a plurality of nozzle bodies are opened on the spray plate. The plurality of nozzle mounting holes are arranged in sequence at intervals along the extension direction of the long through hole and are all connected to the long through hole.

[0012] In an embodiment of the utility model, the spray valve group includes a plurality of spray valve bodies and aviation plugs electrically connected to the plurality of spray valve bodies. The plurality of spray valve bodies are arranged sequentially on a bottom plate along a width direction parallel to a conveying device. A plug interface for extending the aviation plug and an air pipe opening for extending the air inlet pipe of the spray valve body are provided on the bottom plate.

[0013] In an embodiment of the utility model, the spray valve housing also includes two end plates, which are arranged opposite to each other on the left and right and are connected to the bottom plate, the front plate, the top plate and the back plate on all sides. The jet device for the sorting machine also includes a connecting ear plate, and the end plate is adjustably arranged at the first end of the connecting ear plate in the front and rear directions, and the second end of the connecting ear plate is height-adjustably arranged at the outlet end of the conveying device.

[0014] To achieve the above-mentioned object, the second aspect of the utility model provides a sorting machine, wherein the sorting machine includes a conveying device and an air jet device for the sorting machine as described above, and the air jet device for the sorting machine is arranged at the outlet end of the conveying device.

[0015] Through the above technical solution, the air jet device for the sorting machine provided by the embodiment of the utility model has the following beneficial effects:

[0016] When the sorting machine uses the above-mentioned jet device, since an extension plate is added to the spray valve housing, and the extension plate is extended from the upper end of the spray valve housing toward the outlet end of the conveying device, the extension portion can block the gap between the spray valve housing and the outlet end of the conveying device, thereby avoiding the phenomenon of material jamming due to excessive gap, so as to achieve the purpose of ensuring the safety of the equipment's use effect.

[0017] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the embodiments of the present utility model and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the embodiments of the present utility model, but do not constitute a limitation on the embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without creative work. In the drawings:

[0019] Figure 1 It is a structural schematic diagram of an air jet device installed on a conveying device according to an embodiment of the utility model;

[0020] Figure 2 It is a structural schematic diagram of an air injection device according to one embodiment of the utility model from one viewing angle;

[0021] Figure 3 It is a schematic diagram of the explosion structure of the jet device according to one embodiment of the utility model;

[0022] Figure 4 is a structural schematic diagram of the jetting device according to another perspective in one embodiment of the utility model;

[0023] Figure 5 It is a schematic cross-sectional structural diagram of an air jet device according to another embodiment of the utility model.

[0024] Description of Reference Numerals

[0025] 100 spray valve housing 110 back panel

[0026] 111 Extension plate 112 Avoid opening

[0027] 113 connecting section 114 opening section

[0028] 115 internal connection board 120 base plate

[0029] 122 Tracheal port 130 Front panel

[0030] 140 top plate 141 long via

[0031] 142 Nozzle mounting hole 143 Blowing plate

[0032] 144 Nozzle body

[0033] 150 End plate 200 Blowing valve group

[0034] 210 spray valve body 220 aviation plug

[0035] 300 connecting ear plate 310 first plate portion

[0036] 311 first waist hole 312 first bolt member

[0037] 320 second plate portion 321 second waist-shaped hole

[0038] 400 Conveyor 410 Belt

[0039] 411 guide bar 420 mounting bracket

[0040] 421 first mounting plate 422 second mounting plate DETAILED DESCRIPTION

[0041] The specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0042] The following describes the jet device for a sorting machine and the sorting machine of the present invention with reference to the accompanying drawings.

[0043] like Figures 1 to 3 As shown, the utility model provides an air jet device for a sorting machine, wherein the air jet device for a sorting machine comprises:

[0044] The spray valve housing 100 is arranged at the front side of the outlet end of the conveying device 400 and has a spray valve cavity, and a plurality of nozzle bodies are arranged on the top wall of the spray valve cavity;

[0045] The spray valve assembly 200 is disposed in the spray valve cavity and is connected to the plurality of nozzle bodies through the air outlet pipes;

[0046] The extension plate 111 is disposed on the spray valve housing 100 and extends from the upper end of the spray valve housing 100 toward the outlet end of the conveying device 400 to cover the gap between the spray valve housing 100 and the outlet end of the conveying device 400 .

[0047] When the sorting machine uses the above-mentioned jet device, since an extension plate 111 is added to the spray valve housing 100, and the extension plate 111 is extended from the upper end of the spray valve housing 100 toward the outlet end of the conveying device 400, the extension portion can block the gap between the spray valve housing 100 and the outlet end of the conveying device 400, thereby avoiding the phenomenon of material jamming due to excessive gap, so as to achieve the purpose of ensuring the safety of the use effect of the equipment. It should be specially noted that the directions in the present utility model are defined based on the conveying direction of the conveying device 400, especially the front-to-back direction, and the conveying direction always points to the front.

[0048] Specifically, the conveying device 400 can be a belt conveyor or other suitable conveyors. An outlet roller is provided at the outlet end of the belt conveyor, and the belt 410 is wound around the outlet roller. The sorted materials are conveyed to the outlet end on the belt 410, and the gap between the spray valve housing 100 and the outlet end of the conveying device 400 is also the gap between the spray valve housing 100 and the belt 410. The extension plate 111 is extended from the upper end of the spray valve housing 100 toward the outlet end of the conveying device 400. At the same time, in order to ensure that the movement of the conveying device 400 is not interfered, there should be a certain distance between the lower side of the extension plate 111 and the end close to the belt 410 and the belt 410, and the distance should be less than 20 mm, preferably 15 mm.

[0049] In the embodiment of the utility model, an avoidance opening 112 is provided at one end of the extension plate 111 away from the spray valve housing 100, and the avoidance opening 112 is used to be arranged opposite to the guide bar 411 on the conveying device 400. In the process of the conveying device 400 conveying the material, in order to facilitate the adjustment of the material to be placed along the conveying direction of the conveying device 400, the belt 410 of the conveying device 400 is protrudingly provided with a guide bar 411, and the avoidance opening 112 arranged opposite to the guide bar 411 is provided on the extension plate 111, so that the extension plate 111 can be closer to the belt 410 of the conveying device 400, and will not interfere with the protruding guide bar 411. When the guide bar 411 turns downward following the belt 410, it will turn over at the avoidance opening 112, as long as the width dimension of the avoidance opening 112 is greater than or equal to the width dimension of the guide bar 411, and the depth dimension of the avoidance opening 112 is greater than or equal to the protruding height of the guide bar 411 on the belt 410.

[0050] In the embodiment of the utility model, the number of the avoidance openings 112 can be multiple, and the multiple avoidance openings 112 are arranged in a uniform interval. It can be understood that the belt 410 of the conveyor 400 is arranged with multiple guide strips 411 in a sequentially spaced manner along the width direction, and the number of the avoidance openings 112 is set to multiple, and the spacing between two adjacent avoidance openings 112 can be equal to the spacing between two adjacent guide strips 411, so that the multiple avoidance openings 112 can be arranged in a one-to-one correspondence with the multiple guide strips 411. Specifically, the extension portion includes a connecting section 113 and an opening section 114, the connecting section 113 is connected to the spray valve housing 100 and extends out in the entire width direction of the belt 410, the opening section 114 is arranged at one end of the connecting section 113 away from the spray valve housing 100, that is, the end of the connecting section 113 close to the conveyor 400, and multiple avoidance openings 112 are arranged in sequence on the opening section 114, that is, the opening section 114 is set as a concave-convex tooth structure.

[0051] In the embodiment of the utility model, the shape of the avoidance opening 112 can be set to be square to adapt to the long strip guide strip 411. In addition, the opening width of the avoidance opening 112 can be 20mm to 40mm, preferably 30mm, and the spacing between two adjacent avoidance openings 112 can be 60mm to 80mm, preferably 70mm.

[0052] Please see again Figures 1 to 3 In the embodiment of the utility model, the extension plate 111 is arranged upwardly and tilted along the direction of the spray valve housing 100 toward the outlet end of the conveying device 400, so that the extension plate 111 is spaced relatively from the upper side of the belt 410 wound on the outlet roller of the conveying device 400. It can be understood that the belt 410 is wound on the outlet roller. Since the outlet roller is cylindrical, the conveying surface of the belt 410 can be gradually lowered under the winding guide of the outlet roller, and the extension plate 111 is arranged on the spray valve housing 100 to extend upwardly and tilted, so as to match the belt 410 surface on the outlet end of the conveying device 400, so that the extension plate 111 can effectively approach the conveying surface of the belt 410, and further reduce the gap between the belt 410 surface and the extension plate 111. Specifically, the inclination angle of the extension plate 111 relative to the horizontal plane where the conveying device 400 is placed can be 25° to 45°, preferably 30°. More specifically, the top plate 140 of the spray valve housing 100 may also be arranged to be inclined, and the inclination angle may be equal to the inclination angle of the extension plate 111 , so as to smoothly guide the material to the spraying air channel on the top plate 140 .

[0053] In the embodiment of the utility model, the extension plate 111 can be provided with an avoidance opening 112 on the opening section 114 and can also be extended upwardly at an angle in the extension direction. The combination of these two structures can make the extension plate 111 closer to the conveying surface of the belt 410.

[0054] In the embodiment of the present utility model, Figures 1 to 4 As shown, the upper end of the back plate 110 of the extension plate 111 of the self-spraying valve housing 100 is bent and extended toward the outlet end of the conveying device 400; or, the top plate 140 of the self-spraying valve housing 100 of the extension plate 111 extends toward the outlet end of the conveying device 400 and extends out of the back plate 110; or, as Figure 5 As shown, the jetting device for the sorting machine also includes an inner plate 115 arranged on the outside of the back panel 110 of the spray valve housing 100, and the outer plate 111 is bent and extended from the upper end of the inner plate 115 toward the outlet end of the conveying device. The outer plate 111 can be arranged at the upper end of the back panel 110 of the spray valve housing 100, or at one end of the top plate 140 of the spray valve housing 100 facing the outlet end of the conveying device 400, or a whole plate can be bent to form the inner plate 115 and the outer plate 111, the inner plate 115 is connected to the spray valve housing 100, and the outer plate 111 forms a shield for the gap, which is specifically selected according to actual needs. Preferably, the outer plate 111 can be set as an integral bending molding structure with the back panel 110 of the spray valve housing 100, that is, the outer plate 111 and the back panel 110 are set as a whole plate, and the outer plate 111 can be bent on the whole plate.

[0055] See also Figures 1 to 4 In the embodiment of the utility model, the spray valve housing 100 includes a bottom plate 120, a front plate 130, a top plate 140 and a back plate 110. The back plate 110 and the front plate 130 are relatively spaced apart. The front plate 130 is located on the side of the back plate 110 away from the outlet end of the conveying device 400. The top plate 140 and the bottom plate 120 are relatively spaced apart up and down and are both connected to the back plate 110 and the front plate 130. The spray valve group 200 is arranged on the bottom plate 120, and a plurality of nozzle bodies 144 are provided on the top plate 140. Then, the spray valve housing 100 can form protection for the spray valve group 200 in the front-to-back direction and the up-and-down direction.

[0056] In the embodiment of the utility model, the bottom plate 120, the front plate 130 and the top plate 140 can be set as an integral bending structure, that is, the bottom plate 120, the front plate 130 and the top plate 140 are set as a whole plate, and the top plate 140 and the bottom plate 120 can be formed by bending the upper and lower ends of the whole plate, so as to simplify the manufacturing process of the spray valve housing 100 and ensure the stability of the spray valve housing 100. At the same time, the bottom plate 120 and the top plate 140 are respectively set to be detachably connected with the back plate 110, so as to facilitate the maintenance and replacement of the spray valve group 200 in the spray valve cavity. Specifically, the bottom plate 120 and the top plate 140 can be detachably connected with the back plate 110 through a threaded connector.

[0057] like Figure 2 and Figure 3 As shown, in the embodiment of the utility model, a long through hole 141 for the air outlet pipe to pass through is provided on the top plate 140, and the long through hole 141 is extended along the arrangement direction of the spray valve group 200. A spray plate 143 is provided on the outside of the top plate 140, and a plurality of nozzle mounting holes 142 for the one-to-one installation of a plurality of nozzle bodies 144 are provided on the spray plate 143. The plurality of nozzle mounting holes 142 are arranged in sequence and spaced along the extension direction of the long through hole 141 and are all connected to the long through hole 141, so that the spray valve group 200 can be controlled to select the corresponding nozzle body 144 for blowing according to the position of the material to be sorted, so as to achieve the sorting of the material. At the same time, a spray plate 143 is added on the outside of the top plate 140, so that the insertion of the nozzle body 144 can be facilitated; the long strip-shaped long through hole 141 provided on the top plate 140 can facilitate the air outlet pipe on the valve mouth of the spray valve group 200 to pass through, so as to dock with the nozzle mounting hole 142. Furthermore, the blowing plate 143 can be detachably mounted on the top plate 140 via a threaded connector, thereby facilitating disassembly, assembly and replacement of the blowing plate 143 .

[0058] See also Figure 3 and Figure 4 In the embodiment of the utility model, the spray valve group 200 includes a plurality of spray valve bodies 210 and an aviation plug 220 electrically connected to the plurality of spray valve bodies 210. The plurality of spray valve bodies 210 are arranged in sequence on the bottom plate 120 along a width direction parallel to the conveying device 400. The bottom plate 120 is provided with a plug interface for the aviation plug 220 to extend and an air pipe port 122 for the air inlet pipe of the spray valve body 210 to extend. Specifically, the number of the spray valve bodies 210 can be set to be consistent with the number of the nozzle bodies 144, and the plurality of spray valve bodies 210 are provided with air outlet pipes, and the air outlet pipes of the plurality of spray valve bodies 210 all pass through the long through hole 141 and are respectively connected to the plurality of nozzle bodies 144 in a one-to-one correspondence. In addition, the power supply plug of the spray valve body 210 is set as the aviation plug 220, so that the wiring is more centralized, the space occupied is small, and the interface is safe and reliable.

[0059] In the embodiment of the utility model, the spray valve housing 100 further includes two end plates 150, which are arranged opposite to each other on the left and right sides and are connected to the bottom plate 120, the front plate 130, the top plate 140 and the back plate 110 on all sides. The jet device for the sorting machine further includes a connecting ear plate 300, and the end plate 150 is arranged at the first end of the connecting ear plate 300 in a front-to-back adjustable manner, and the second end of the connecting ear plate 300 is arranged at the outlet end of the conveying device 400 in a height-adjustable manner. The addition of two end plates 150 can not only realize the sealing of the spray valve housing 100 to the spray valve group 200 in the left-right direction, but also facilitate the direct installation of the spray valve housing 100 at the outlet end of the conveying device 400 through the connecting ear plate 300. In addition, the front-to-back position of the end plate 150 on the connecting ear plate 300 can be adjusted, and the upper and lower heights of the connecting ear plate 300 at the outlet end of the conveying device 400 can be adjusted, so that the multi-dimensional space adjustment of the jet device can be realized, and the sorting accuracy of the equipment is improved.

[0060] Furthermore, the end plate 150 can be connected to the bottom plate 120, the front plate 130 and the top plate 140 by welding to form an integrated structure, and the end plate 150 and the back plate 110 can be detachably connected by a threaded connector. Furthermore, the connecting ear plate 300 includes a first plate portion 310 and a second plate portion 320, the first plate portion 310 and the end plate 150 are detachably connected, the second plate portion 320 is bent outwardly and extended from one end of the first plate portion 310 disposed toward the outlet end of the conveying device 400, so as to be detachably fitted with the mounting bracket 420 on the outlet end of the conveying device 400, the first plate portion 310 is provided with a first waist-shaped hole 311 extending in the front-to-back direction, the end plate 150 is provided with a first through hole and a through hole is welded on the inner side thereof. The first nut with holes connected thereto, the first bolt member 312 is sequentially passed through the first waist-shaped hole 311, the first through hole and the first nut to tighten the first plate portion 310 to the end plate 150, and the second plate portion 320 is provided with a second waist-shaped hole 321 extending in the up and down height direction, the second bolt member sequentially passes through the second waist-shaped hole 321, the second through hole and the second nut on the mounting frame 420, and the second plate portion 320 can be tightened to the mounting frame 420 at the outlet end of the conveying device 400 by tightening the second bolt member and the second nut.

[0061] Please see again Figure 1 The second aspect of the utility model provides a sorting machine, wherein the sorting machine comprises a conveying device 400 and the above-mentioned jet device for the sorting machine, and the jet device for the sorting machine is arranged at the outlet end of the conveying device 400. Since the sorting machine adopts all the technical solutions of the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0062] Specifically, a mounting frame 420 is provided at the outlet end of the conveying device 400, and the mounting frame 420 is provided with a first mounting plate 421 and a second mounting plate 422 which are relatively spaced apart along the conveying direction of the conveying device 400, and the first mounting plate 421 is located on the front side of the second mounting plate 422 and can be detachably connected to the second plate portion 320, and the second mounting plate 422 is adjustably arranged on the frame of the conveying device 400 in the left and right directions. More specifically, the second mounting plate 422 is provided with a third waist-shaped hole extending along the width direction of the conveying device 400, so that the left and right position of the mounting frame 420 on the frame can be adjusted through the third waist-shaped hole.

[0063] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0064] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0065] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0066] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A jetting device for a sorting machine, characterized in that: The jetting device for the separator comprises: A spray valve housing (100) is arranged at the front side of the outlet end of the conveying device (400) and has a spray valve cavity, wherein a top wall of the spray valve cavity is provided with a plurality of nozzle bodies (144); A spray valve assembly (200) is disposed in the spray valve cavity and is connected to the plurality of nozzle bodies (144) through air outlet pipes; An extension plate (111) is arranged on the spray valve housing (100) and extends from the upper end of the spray valve housing (100) toward the outlet end of the conveying device (400) to cover the gap between the spray valve housing (100) and the outlet end of the conveying device (400).

2. The air jet device for a separator according to claim 1, characterized in that: An avoidance opening (112) is provided at one end of the extension plate (111) away from the spray valve housing (100), and the avoidance opening (112) is used to be arranged opposite to the guide bar (411) on the conveying device (400).

3. The air jet device for a separator according to claim 2, characterized in that: The number of the avoidance openings (112) is multiple, and the multiple avoidance openings (112) are arranged in sequence and evenly spaced.

4. The air jet device for a sorting machine according to claim 1, characterized in that: The extension plate (111) is arranged upwardly and inclined along the direction of the spray valve housing (100) toward the outlet end of the conveying device (400), so that the extension plate (111) is arranged relatively spaced from the upper side of the belt (410) wound around the outlet roller of the conveying device (400).

5. The air jet device for a separator according to any one of claims 1 to 4, characterized in that: The extension plate (111) is bent and extended from the upper end of the back panel (110) of the spray valve housing (100) toward the outlet end of the conveying device (400); or, the extension plate (111) extends from the top plate (140) of the spray valve housing (100) toward the outlet end of the conveying device (400) and protrudes from the back panel (110); or, the jetting device for the sorting machine also includes an internal plate (115) arranged on the outside of the back panel (110) of the spray valve housing (100), and the extension plate (111) is bent and extended from the upper end of the internal plate (115) toward the outlet end of the conveying device (400).

6. The air jet device for a separator according to any one of claims 1 to 4, characterized in that: The spray valve housing (100) comprises a bottom plate (120), a front plate (130), a top plate (140) and a back plate (110); the back plate (110) and the front plate (130) are arranged relatively to each other at intervals; the front plate (130) is located on a side of the back plate (110) away from the outlet end of the conveying device (400); the top plate (140) and the bottom plate (120) are arranged relatively to each other at intervals up and down and are both connected to the back plate (110) and the front plate (130); the spray valve group (200) is arranged on the bottom plate (120); and a plurality of nozzle bodies (144) are arranged on the top plate (140).

7. The air jet device for a separator according to claim 6, characterized in that: The bottom plate (120), the front plate (130) and the top plate (140) are configured as an integrally bent structure, and the bottom plate (120) and the top plate (140) are respectively configured to be detachably connected to the back plate (110); And / or, a long through hole (141) for the air outlet pipe to pass through is provided on the top plate (140), and the long through hole (141) is extended along the arrangement direction of the spray valve group (200). A spray plate (143) is provided on the outer side of the top plate (140), and a plurality of nozzle mounting holes (142) for one-to-one installation of a plurality of nozzle bodies (144) are provided on the spray plate (143), and the plurality of nozzle mounting holes (142) are arranged in sequence at intervals along the extension direction of the long through hole (141) and are all in communication with the long through hole (141).

8. The air jet device for a separator according to claim 6, characterized in that: The spray valve group (200) comprises a plurality of spray valve bodies (210) and an aviation plug (220) electrically connected to the plurality of spray valve bodies (210); the plurality of spray valve bodies (210) are arranged in sequence on the bottom plate (120) along a width direction parallel to the conveying device (400); and the bottom plate (120) is provided with a plug interface for the aviation plug (220) to extend out and an air pipe port (122) for the air inlet pipe of the spray valve body (210) to extend out.

9. The air jet device for a separator according to claim 6, characterized in that: The spray valve housing (100) further includes two end plates (150), which are arranged opposite to each other on the left and right sides and are connected to the bottom plate (120), the front plate (130), the top plate (140) and the back plate (110) on all sides. The jetting device for the sorting machine further includes a connecting ear plate (300), wherein the end plate (150) is adjustably arranged at the first end of the connecting ear plate (300) in a front-rear manner, and the second end of the connecting ear plate (300) is adjustably arranged at the outlet end of the conveying device (400).

10. A sorting machine, characterized in that: The sorting machine comprises a conveying device (400) and an air jet device for a sorting machine according to any one of claims 1 to 9, and the air jet device for a sorting machine is arranged at the outlet end of the conveying device (400).

Images