Waste tray collecting device

Abstract

The utility model relates to the field of waste tray collection, in particular to a waste tray collection device, which comprises a mounting seat, a waste tray collection device and a waste tray collection device, the inserting column is obliquely arranged at the junction of the bearing face and the supporting inclined face, a plurality of limiting mechanisms are evenly distributed on the inserting column so that the waste trays arranged on the inserting column in a penetrating mode can be arranged at intervals, and the waste tray located on the innermost side obliquely leans against the supporting inclined face; a storage groove for the limiting mechanism is formed in the inserting column; the limiting mechanism comprises a mounting shaft, a limiting plate and a supporting piece; one end part of the limiting plate is rotationally connected with the side wall of the storage groove through a mounting shaft, so that the limiting plate is stored in the storage groove; and a supporting piece is arranged between the other end part of the limiting plate and the bottom of the accommodating groove, so that the limiting plate is tilted. According to the waste tray collecting device, the situation that waste trays inserted into the ends, away from the mounting position, of the inserting columns automatically fall off is reduced.

Description

Technical Field

[0001] The utility model relates to the field of waste tray collection, in particular to a waste tray collection device. Background Technique

[0002] SMTSurface Mount Technology, that is, surface mount technology, is a commonly used assembly technology and process in the current electronic equipment production industry. In the chip mounting process, a tape is required for the SMT equipment during operation. The tape is a strip-shaped product uniformly installed with a large number of electronic components; usually, the tape is wound in a tape reel, and when in use, the tape is pulled out from the tape reel to achieve continuous feeding of the tape. When the tape of the current tape reel is completely released, it is called a waste tray, and then the next tape reel is installed and the tape is released. At this time, the waste tray needs to be collected.

[0003] The current method for collecting waste trays is as follows: directly fit the waste tray onto the horizontally placed insertion post. For the convenience of fitting the waste tray, only one end of the insertion post is fixed at the installation position; the waste tray only generates a radial pressure on the horizontally installed insertion post. After long-term use, the end of the insertion post far from the installation frame is deformed, causing the waste tray sleeved on the end of the insertion post far from the installation position to automatically fall off the insertion post.

[0004] Therefore, how to solve the technical problem that the waste tray automatically falls off from the end of the insertion post far from the installation position after being inserted into the insertion post for a long time is an urgent problem to be solved by those skilled in the art.

[0005] It should be noted that the above information disclosed in this background technical part is only used to understand the background technology of the concept of this application, and therefore, it may include information that does not constitute the prior art. Content of the Utility Model

[0006] The purpose of the utility model is to provide a waste tray collection device to solve the above problems.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A waste tray collection device, comprising:

[0009] A mounting base, which includes a bearing surface, and the upper part of the bearing surface is a supporting inclined surface;

[0010] An insertion post, which is inclined and arranged at the junction of the bearing surface and the supporting inclined surface, and a plurality of limiting mechanisms are evenly distributed on the insertion post, so that the waste trays inserted through the insertion post are arranged at intervals, and the innermost waste tray is inclined and leans against the supporting inclined surface.

[0011] In an optional implementation manner, a receiving groove for the limiting mechanism is provided on the insertion post;

[0012] The limiting mechanism includes a mounting shaft, a limiting plate and a support member;

[0013] Wherein, one end of the limiting plate is rotatably connected to the side wall of the receiving groove through the mounting shaft so that the limiting plate can be received in the receiving groove; and

[0014] A support member is arranged between the other end of the limiting plate and the bottom of the receiving groove to make the limiting plate tilt, and the limiting mechanism cooperates with the receiving groove to form a hanging limit for the waste tray.

[0015] In an optional embodiment, two adjacent hanging limits cooperate to limit the waste tray. Among them, the part of the limiting plate of the hanging limit close to the bearing surface tilts up and abuts against the hole wall of the mounting hole of the waste tray, and the limiting plate of the hanging limit far from the bearing surface abuts against the side surface of the waste tray.

[0016] In an optional embodiment, the end of the limiting plate connected to the support member is an abutting end;

[0017] The part of the abutting end close to the bearing surface tilts up and abuts against the hole wall of the mounting hole of the waste tray, and the abutting end far from the bearing surface tilts up completely and abuts against the side surface of the waste tray.

[0018] In an optional embodiment, the waste tray collection device further includes a controller;

[0019] A proximity switch electrically connected to the controller is arranged at the bottom of the receiving groove;

[0020] The proximity switch is located away from the mounting shaft to detect whether the abutting end is in the receiving groove.

[0021] A waste tray collection device, characterized by comprising:

[0022] A mounting base, which includes a bearing surface, and the upper part of the bearing surface is a support inclined surface;

[0023] The plugging column is obliquely arranged at the junction of the bearing surface and the support inclined surface, and a plurality of limiting mechanisms are evenly distributed on the plugging column, so that the waste trays inserted through the plugging column are arranged at intervals, and the innermost waste tray leans obliquely against the support inclined surface;

[0024] The controller is electrically connected to the proximity switch, and the proximity switch is arranged below the limiting mechanism to detect whether the limiting mechanism tilts up.

[0025] In an optional embodiment, a receiving groove for the limiting mechanism is arranged on the plugging column;

[0026] The limiting mechanism includes a mounting shaft, a limiting plate and a support member;

[0027] One end of the limiting plate is rotatably connected to the side wall of the storage groove through a mounting shaft so that the limiting plate can be stored in the storage groove; and

[0028] A support member is provided between the other end of the limiting plate and the bottom of the storage groove to make the limiting plate tilt up. The limiting mechanism and the storage groove cooperate to form a hanging limit for the waste tray; and

[0029] The proximity switch is arranged in the storage groove to detect whether the limiting plate tilts up.

[0030] In an optional embodiment, the two adjacent hanging limits 5 cooperate to limit the waste tray. The part of the limiting plate of the hanging limit close to the bearing surface tilts up and abuts against the hole wall of the mounting hole of the waste tray, and the limiting plate of the hanging limit far from the bearing surface abuts against the side surface of the waste tray.

[0031] In an optional embodiment, the end of the limiting plate connected to the support member is an abutting end;

[0032] The abutting end part close to the bearing surface tilts up and abuts against the hole wall of the mounting hole of the waste tray, and the abutting end far from the bearing surface tilts up completely and abuts against the side surface of the waste tray.

[0033] The beneficial effects of the present utility model are as follows: a waste tray collection device is provided. By the mutual cooperation of the mounting seat, the insertion column and the limiting mechanism, the mounting seat and the insertion column simultaneously provide a supporting force for the waste tray sleeved at the insertion column, realizing the reduction of the radial force of the waste tray on the insertion column. The end of the insertion column far from the installation position is not easily deformed. At the same time, the limiting mechanism restricts the axial displacement of the sleeved waste tray on the insertion column, reducing the situation that the waste tray inserted at one end of the insertion column far from the installation position automatically falls off.

[0034] Other features and advantages of the present utility model will be described in the following specification, and, in part, will be obvious from the specification, or will be understood by implementing the present utility model. The objectives and other advantages of the present utility model are achieved and obtained by the structures specifically pointed out in the specification, the claims and the drawings.

[0035] To make the above objectives, features and advantages of the present utility model more obvious and understandable, the following specific preferred embodiments are given, and in conjunction with the accompanying drawings, the detailed description is as follows. Description of the Drawings

[0036] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0037] Figure 1 FIG. 1 is a schematic diagram of the overall structure of the waste tray collection device provided by the embodiment of the present disclosure.

[0038] Figure 2 FIG. 2 is a schematic diagram of the use state of the waste tray collection device provided by the embodiment of the present disclosure when three waste trays are inserted.

[0039] Figure 3 FIG. 3 is a schematic diagram of the plug-in column, the limiting mechanism and the proximity switch of the waste tray collection device provided by the embodiment of the present disclosure.

[0040] In the figure: 1. mounting base; 11. support inclined surface; 12. bearing surface;

[0041] Plug-in column; 21. storage groove;

[0042] Limiting mechanism; 31. mounting shaft; 32. limiting plate; 33. support member;

[0043] Proximity switch;

[0044] Hanging limit;

[0045] Controller. Specific embodiments

[0046] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions of the present invention with reference to the drawings. Obviously, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0047] In this article, when it is mentioned that the first component is located on the second component, this may mean that the first component can be directly formed on the second component, or a third component can be inserted between the first component and the second component. In addition, in the drawings, for the effective description of the technical content, the thickness of the components can be exaggerated or reduced.

[0048] In this document, example embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as "at least one of..." modify the entire list of elements when following a list of elements, rather than modifying individual elements in the list. For example, the expression "at least one of a, b, and c" should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0049] The terms used herein are only for describing specific exemplary configurations and are not intended to be limiting. As used herein, the singular articles "a", "an", and "the" may also be intended to include the plural forms, unless it is clearly stated otherwise in the context. The terms "comprising", "including", and "having" are inclusive, and thus specify the presence of the specified features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or their combinations.

[0050] As used herein, phrases such as "in one embodiment", "according to one embodiment", "in some embodiments", etc. generally refer to the fact that the specific feature, structure, or characteristic after the phrase may be included in at least one embodiment of the present disclosure. Thus, a specific feature, structure, or characteristic may be included in more than one embodiment of the present disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms "example", "exemplary", etc. are used "as an example, instance, or illustration. Any embodiment, aspect, or design described herein as "example" or "exemplary" is not necessarily to be construed as preferred or superior to other embodiments, aspects, or designs. Instead, the use of the terms "example", "exemplary", etc. is intended to present concepts in a specific manner.

[0051] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0052] Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Without conflict, the following embodiments and the features in the embodiments may be combined with each other.

[0053] It has been found through research that after the waste tray is sleeved on the plug post, it generates a radial pressure on the plug post. Since the overall weight of the waste tray is supported by the plug post and the distribution of the waste tray on the plug post is not uniform, the plug post is prone to uneven stress and bending, especially at the end of the plug post, which may cause the waste tray on the plug post to fall off automatically.

[0054] Based on the above research, an embodiment of the present disclosure provides a waste tray collection device, in which the waste tray is placed at an angle so that the waste tray generates axial pressure on the plug-in column, disperses the radial force of the waste tray on the plug-in column, reduces the radial force on the plug-in column, and the waste trays are evenly distributed on the plug-in column to avoid deformation of the plug-in column, thereby preventing the waste tray from automatically falling off the plug-in column.

[0055] The defects in the above solutions are the results obtained by the inventors after practice and careful research. Therefore, the discovery process of the above problems and the solutions proposed by the present disclosure for the above problems below should be the contributions made by the inventors to the present disclosure during the disclosure process.

[0056] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0057] In conjunction with the accompanying drawings, some embodiments of the present utility model are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0058] refer to Figure 1 At least one embodiment provides a waste tray collecting device, including a mounting seat 1, which includes a bearing surface 12, the upper part of the bearing surface 12 is a supporting slope 11, and the supporting slope 11 provides support for the waste tray closest to the mounting seat 1; a plug-in column 2, which is obliquely arranged at the junction of the bearing surface 12 and the supporting slope 11, for directly plugging the waste tray, and a plurality of limiting mechanisms 3 are evenly distributed on the plug-in column 2, so that the waste trays each inserted on the plug-in column 2 are arranged at intervals, and the evenly distributed waste trays make the plug-in column 2 evenly stressed and not easy to bend, and the waste tray located on the innermost side is tilted and leans on the supporting slope 11.

[0059] refer to Figure 1, in some embodiments, a receiving groove 21 for the limiting mechanism 3 is provided on the plug post 2 for receiving the limiting mechanism 3. When the operator sets the waste tray on the plug post 2, the operator manually presses the limiting mechanism 3 to make it enter the receiving groove 21, facilitating the setting of the waste tray on the plug post 2; the limiting mechanism 3 includes a mounting shaft 31, a limiting plate 32 and a support member 33; wherein, one end of the limiting plate 32 is rotatably connected to the side wall of the receiving groove 21 through the mounting shaft 31, so that the limiting plate 32 is received into the receiving groove 21, and at this time it is convenient to set the waste tray; and a support member 33 is provided between the other end of the limiting plate 32 and the bottom of the receiving groove 21 to provide a supporting force to make the limiting plate 32 tilt away from the bottom of the receiving groove 21. The limiting mechanism 3 and the receiving groove 21 cooperate to form a hanging limit 5 for the waste tray. When the waste tray is set on the hanging limit 5, the limiting plate 32 part of the hanging limit 5 tilts up to press against the mounting hole of the waste tray; at the same time, the limiting plate 32 of the hanging limit 5 adjacent to and far from the mounting seat 1 completely tilts up to press against the side of the waste tray.

[0060] Reference Figure 2 and Figure 3 , in some embodiments, two adjacent hanging limits 5 cooperate to limit the waste tray. Among them, the limiting plate 32 part of the hanging limit 5 close to the bearing surface 12 tilts up to abut against the hole wall of the mounting hole of the waste tray, so that the mounting hole of the waste tray is tensioned by the limiting plate 32 of one of the hanging limits 5 and pressed against the side by the limiting plate 32 of the adjacent hanging limit 5, so that the waste trays are evenly distributed on the plug post 2 in an inclined manner; Figure 2 is a state diagram of three waste trays F on the plug post 2.

[0061] Reference Figure 3 , in some embodiments, the end of the limiting plate 32 connected to the support member 33 is an abutting end 321 for abutting against the mounting hole of the waste tray and the side of the waste tray; the abutting end 321 part close to the bearing surface 12 tilts up to abut against the hole wall of the mounting hole of the waste tray, and the abutting end 321 far from the bearing surface 12 completely tilts up to abut against the side of the waste tray, and the support member 33 is a spring that can provide enough force to make the abutting end 321 abut against the mounting hole of the waste tray, so that the waste trays are evenly distributed at intervals on the plug post 2.

[0062] In some embodiments, the waste tray collecting device further includes a controller 6; a proximity switch 4 electrically connected to the controller 6 is provided at the bottom of the receiving groove 21. The controller 6 includes a PLC for counting the waste trays on the plug post 2 by detecting whether a plurality of limiting plates 32 are located in the receiving groove 31. The controller 6 is electrically connected to an external control system for providing the number of waste trays inserted on the plug post 2 to the external control system; the proximity switch 4 is located away from the mounting shaft 31 to detect whether the abutting end 321 is located in the receiving groove 21.

[0063] Scrap tray collection device, comprising: a mounting base 1, which includes a bearing surface 12, the upper part of the bearing surface 12 is a supporting inclined surface 11, used to support an inserted scrap tray, and at the same time provide axial support for the inclined insertion post 2; the insertion post 2 is inclined and arranged at the junction of the bearing surface 12 and the supporting inclined surface 11, and a plurality of limiting mechanisms 3 are evenly distributed on the insertion post 2, so that the scrap trays inserted through the insertion post 2 are arranged at intervals, and the innermost scrap tray leans against the supporting inclined surface 11 obliquely, to provide a supporting force for the innermost scrap tray; the controller 6 is electrically connected to the proximity switch 4, used to transmit signals to the controller 6, wherein the proximity switch 4 is arranged below the limiting mechanism 3 to detect whether the limiting mechanism 3 tilts up. If the limiting mechanism 3 can tilt up normally, it proves that there is no scrap tray hung here. If the limiting mechanism 3 cannot tilt up normally, it proves that there is a scrap tray hung here.

[0064] In some embodiments, a storage groove 21 for the limiting mechanism 3 is provided on the insertion post 2, used to store the limiting mechanism 3. When the operator sets the scrap tray on the insertion post 2, the operator manually presses the limiting mechanism 3 to make it enter the storage groove 21, which is convenient for the scrap tray to be set on the insertion post 2; the limiting mechanism 3 includes a mounting shaft 31, a limiting plate 32 and a support member 33; wherein, one end of the limiting plate 32 is rotatably connected to the side wall of the storage groove 21 through the mounting shaft 31, so that the limiting plate 32 is stored in the storage groove 21, and at this time it is convenient to set the scrap tray; and, a support member 33 is arranged between the other end of the limiting plate 32 and the bottom of the storage groove 21, used to provide a supporting force to make the limiting plate 32 tilt away from the bottom of the storage groove 21. The limiting mechanism 3 and the storage groove 21 cooperate to form a hanging limit 5 for the scrap tray. When the scrap tray is set on the hanging limit 5, the limiting plate 32 part of the hanging limit 5 tilts up and presses against the mounting hole of the scrap tray, and at the same time the hanging limit 5 adjacent to and far from the mounting base 1 of the hanging limit 5 has the limiting plate 32 completely tilt up and press against the side surface of the scrap tray; and, the proximity switch 4 is arranged in the storage groove 21 to detect whether the limiting plate 32 tilts up.

[0065] Reference Figure 2 and Figure 3 In some embodiments, two adjacent hanging limits 5 cooperate to limit the scrap tray. Among them, the limiting plate 32 part of the hanging limit 5 close to the bearing surface 12 tilts up and abuts against the hole wall of the mounting hole of the scrap tray, and the limiting plate 32 of the hanging limit 5 far from the bearing surface 12 abuts against the side surface of the scrap tray, so that the scrap trays are evenly distributed obliquely on the insertion post 2; Figure 2 It is a state diagram of the distribution of three scrap trays F on the insertion post 2.

[0066] Reference Figure 3In some embodiments, one end of the limiting plate 32 connected to the support member 33 is an abutting end 321, which is used to abut the mounting hole of the waste tray and the side of the waste tray; the abutting end 321 close to the bearing surface 12 is partially tilted to abut the hole wall of the mounting hole of the waste tray, and the abutting end 321 away from the bearing surface 12 is completely tilted to abut the side of the waste tray, and the support member 33 is a spring that can provide sufficient force to make the abutting end 321 abut the mounting hole of the waste tray, so that the waste trays are evenly distributed on the plug-in column 2.

[0067] The working principle of the utility model is as follows: before starting to use the waste tray collecting device, the mounting base 1 of the waste tray collecting device is fixedly connected to the mounting frame of the SMT equipment, and the controller 6 is electrically connected to the external control system; when starting to use the waste tray collecting device: the operator manually presses the limit plate 32, and then puts the waste tray onto the plug-in column 2. When the waste tray reaches the corresponding hanging limit position 5, the operator stops moving the waste tray, and the limit plate 32 of the hanging limit position 5 abuts against the mounting hole of the waste tray. At this time, the limit plate 32 of the adjacent hanging limit position 5 at an angle above abuts against the side of the waste tray. Repeat the above steps to hang multiple waste trays on the plug-in column 2 at even intervals. At this time, the plug-in column 2 is subjected to the axial force and radial force of the waste tray, thereby ensuring that the plug-in column 2 is not easy to bend and the waste tray is not easy to fall off the plug-in column 2.

[0068] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0069] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0070] Although this patent document contains many details, it should not be construed as limiting any utility model or the scope of the claims, but rather as a description of the features of a particular embodiment of a particular utility model. Certain features described in the context of separate embodiments in this patent document may also be implemented in combination in a single embodiment. Conversely, the various functions described in the context of a single embodiment may also be implemented separately in multiple embodiments, or in any suitable sub-combination. Additionally, although the above features may be described as acting in certain combinations, and even initially claimed as such, in some cases, one or more features of the claimed combination may be removed from the combination, and the claimed combination may be directed to a sub-combination or a variant of the sub-combination.

[0071] Similarly, although the operations are described in a particular order in the figures, this should not be construed to mean that such operations must be performed in the particular order or sequence shown to obtain the desired result, or that all of the illustrated operations must be performed. Additionally, the separation of various system components in the embodiments of this patent document should not be construed as required in all embodiments.

[0072] Only some implementations and examples are described, and other implementations, enhancements, and variations can be made based on what is described and illustrated in this patent document.

[0073] Although several embodiments are provided in this disclosure, it should be understood that the disclosed systems and methods may be embodied in many other specific forms without departing from the spirit or scope of the disclosure. The current examples are considered illustrative rather than restrictive and are not limited to the details given. For example, various elements or components may be combined or integrated in another system, or certain features may be omitted or not implemented.

Claims

1. A waste tray collection device, characterized in that, Comprising: A mounting base (1), which includes a bearing surface (12), and the upper part of the bearing surface (12) is a supporting inclined surface (11); A plugging column (2), which is inclined and arranged at the junction of the bearing surface (12) and the supporting inclined surface (11), and a number of limiting mechanisms (3) are evenly distributed on the plugging column (2), so that the waste trays inserted through the plugging column (2) are arranged at intervals, and the waste tray located at the innermost side is inclined and leans against the supporting inclined surface (11).

2. The waste tray collecting device according to claim 1, characterized in that: A receiving groove (21) for the limiting mechanism (3) is provided on the plugging column (2); The limiting mechanism (3) includes a mounting shaft (31), a limiting plate (32) and a supporting member (33); Wherein, one end of the limiting plate (32) is rotatably connected to the side wall of the receiving groove (21) through the mounting shaft (31), so that the limiting plate (32) is received in the receiving groove (21); and A supporting member (33) is provided between the other end of the limiting plate (32) and the bottom of the receiving groove (21) to make the limiting plate (32) tilt up, and the limiting mechanism (3) and the receiving groove (21) cooperate to form a hanging limiting position (5) for the waste tray.

3. The waste tray collecting device according to claim 2, characterized in that: Two adjacent hanging limiting positions (5) cooperate to limit the waste tray. Among them, the limiting plate (32) of the hanging limiting position (5) close to the bearing surface (12) tilts up and abuts against the hole wall of the mounting hole of the waste tray, and the limiting plate (32) of the hanging limiting position (5) far from the bearing surface (12) abuts against the side surface of the waste tray.

4. The waste tray collecting device according to claim 3, characterized in that: The end of the limiting plate (32) connected to the supporting member (33) is an abutting end (321); The abutting end (321) close to the bearing surface (12) tilts up and abuts against the hole wall of the mounting hole of the waste tray, and the abutting end (321) far from the bearing surface (12) tilts up completely and abuts against the side surface of the waste tray.

5. The waste tray collecting device according to claim 2, characterized in that: The waste tray collecting device further includes a controller (6); A proximity switch (4) electrically connected to the controller (6) is provided at the bottom of the receiving groove (21); The proximity switch (4) is located away from the mounting shaft (31) to detect whether the abutting end (321) is located in the receiving groove (21).

6. A waste tray collection device, characterized in that, Comprising: A mounting base (1), which includes a bearing surface (12), and the upper part of the bearing surface (12) is a supporting inclined surface (11); A plugging column (2), which is inclined and arranged at the junction of the bearing surface (12) and the supporting inclined surface (11), and a number of limiting mechanisms (3) are evenly distributed on the plugging column (2), so that the waste trays inserted through the plugging column (2) are arranged at intervals, and the waste tray located at the innermost side is inclined and leans against the supporting inclined surface (11); A controller (6), electrically connected to the proximity switch (4), wherein the proximity switch (4) is arranged below the limiting mechanism to detect whether the limiting mechanism (3) tilts up.

7. The waste tray collecting device according to claim 6, characterized in that: A storage groove (21) for a limiting mechanism (3) is provided on the plug post (2); The limiting mechanism (3) includes a mounting shaft (31), a limiting plate (32) and a support member (33); Wherein, one end of the limiting plate (32) is rotatably connected to the side wall of the storage groove (21) through the mounting shaft (31) so that the limiting plate (32) is received in the storage groove (21); and A support member (33) is provided between the other end of the limiting plate (32) and the bottom of the storage groove (21) to make the limiting plate (32) tilt up. The limiting mechanism (3) and the storage groove (21) cooperate to form a hanging limit (5) for the waste tray; and The proximity switch (4) is arranged in the storage groove (21) to detect whether the limiting plate (32) tilts up.

8. The waste tray collecting device according to claim 7, characterized in that: Two adjacent hanging limits (5) cooperate to limit the waste tray. The limiting plate (32) of the hanging limit (5) close to the bearing surface (12) tilts up partially to abut against the hole wall of the waste tray mounting hole, and the limiting plate (32) of the hanging limit (5) far from the bearing surface (12) abuts against the side surface of the waste tray.

9. The waste tray collecting device according to claim 8, characterized in that: The end of the limiting plate (32) connected to the support member (33) is an abutting end (321); The abutting end (321) close to the bearing surface (12) tilts up partially to abut against the hole wall of the waste tray mounting hole, and the abutting end (321) far from the bearing surface (12) tilts up completely to abut against the side surface of the waste tray.

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