Anti-blocking glue injection machine

Abstract

The utility model relates to an anti-blocking glue injection machine which comprises a base, a supporting plate, a feeding sliding rail, a rotating piece, a rotating disc, a limiting groove, a supporting bracket, a raw material barrel, a telescopic pipe, a sliding butt joint piece and a sliding groove, the top of the base is connected with the supporting plate. The top of the supporting plate is connected with the feeding sliding rail. The top of the supporting plate is connected with the supporting bracket; the top of the supporting plate is rotationally connected with the rotating piece. The end, away from the supporting plate, of the rotating piece is rotationally connected with the turntable. A plurality of groups of limiting grooves are formed in the top of the turntable; the multiple sets of limiting grooves are circumferentially distributed in the top of the rotary disc. The top of the support is connected with the raw material barrel; the bottom side surface of the raw material barrel is connected with the telescopic pipe; the pop-top can feeding butt joint effect can be effectively improved through the pop-top can feeding butt joint device, the combination butt joint difficulty of the pop-top can feeding butt joint device is reduced, meanwhile, the occupied area of the pop-top can feeding butt joint device can be reduced through the structure of the rotating disc, and feeding and discharging are facilitated through the pop-top can feeding butt joint device in a rotating mode.

Description

Technical Field

[0001] The utility model relates to the technical field of glue injection machines, in particular to an anti-blocking glue injection machine. Background Art

[0002] Glue injection machine is the equipment still used in most of the handmade handicrafts. The glue injection machine mainly relies on the three-dimensional motion system to move the PVC paste injection head to the specified position of the mold, and controls the amount of glue by controlling the time of extruding different colors of paste resin and the speed of the injection head. For the glue injection processing of can lids, since the glue injection processing is more precise, the problem of anti-blocking is more obvious.

[0003] The Chinese patent with publication number CN217857017U discloses a glue injection machine capable of preventing blockage, comprising a base, a glue injection mechanism is fixedly mounted on the upper surface of the base through a crossbeam frame, and a feed end of the glue injection mechanism is connected to an extrusion mechanism through a conduit, and a detachable glue injection head is movably connected to the bottom end of the glue injection mechanism through a telescopic tube, and a push rod corresponding to the position of its glue injection hole is slidably engaged in the glue injection head; when the sticky glue in the glue injection head needs to be cleaned, the glue injection head is moved up to be close to the glue injection mechanism, and the screen plate can be squeezed by the discharge head, so that the push rod is inserted into the glue injection hole of the glue injection head, and the blocked glue is scraped off and squeezed out, which plays a role of rapid cleaning, and after the glue injection head is released, the glue injection head is reset under the resetting action of the spring and the push rod is separated from the glue injection hole, thereby ensuring the normal circulation of the glue, and through its design, it can provide good protection for the normal use of the glue injection machine, and has good applicability.

[0004] However, the above disclosed solution has the following shortcomings: in actual use, the above solution has unstable feeding speed and great difficulty in docking, and the above device has no discharge effect on the residue inside the injection structure. Utility Model Content

[0005] The purpose of the utility model is to solve the technical problems existing in the background technology. The utility model proposes an anti-clogging glue injection machine. The utility model can effectively improve the feeding and docking effect of cans through the device, thereby reducing the difficulty of combined docking of the device. At the same time, the structure of the turntable can reduce the footprint of the device and facilitate the feeding and discharging of the device through rotation. At the same time, the combination of the feed valve and the exhaust valve of the device can effectively improve the glue injection processing stability of the device and the discharge accuracy, thereby avoiding the residue of raw materials inside the hydraulic cavity.

[0006] The utility model proposes an anti-clogging glue injection machine, comprising a base, a support plate, a feed slide rail, a rotating part, a turntable, a limit groove, a support bracket, a raw material barrel, a telescopic tube, a sliding docking part and a sliding groove;

[0007] The top of the base is connected to the support plate; the top of the support plate is connected to the feed slide rail; the top of the support plate is connected to the support bracket; the top of the support plate is rotatably connected to the rotating part; the end of the rotating part away from the support plate is rotatably connected to the turntable; a plurality of groups of limiting grooves are provided on the top of the turntable; the plurality of groups of limiting grooves are distributed in a circle on the top of the turntable; the top of the support bracket is connected to the raw material barrel; the side surface of the bottom of the raw material barrel is connected to the telescopic tube; the end of the telescopic tube away from the raw material barrel is connected to the sliding docking piece; the bottom of the sliding docking piece is slidably connected to the sliding groove; the sliding groove is arranged on the top of the support bracket; a pressurizing structure for pressurized glue injection processing on the top of the can is provided on the bottom of the sliding docking piece.

[0008] Preferably, the pressurizing structure includes a butt joint tube, a connecting plate, a connecting pipe, a feed valve, a hydraulic cavity, a linear motor and an exhaust valve; the butt joint tube is connected to the bottom of the sliding butt joint; the bottom of the butt joint tube is connected to the connecting plate; the bottom of the butt joint tube passes through the connecting plate and is connected to the connecting pipe; the top of the connecting plate is connected to the linear motor; the bottom of the connecting plate is connected to the hydraulic cavity; a hydraulic plate is provided on the bottom output end of the linear motor, and the hydraulic plate is slidably connected to the inner wall of the hydraulic cavity; a nozzle is provided on the bottom of the hydraulic cavity; the side of the hydraulic cavity is connected to the feed valve; the side of the feed valve is connected to the connecting pipe; the side of the hydraulic cavity is connected to the exhaust valve.

[0009] Preferably, a plurality of groups of shock-absorbing pads are provided on the bottom of the base, a threaded rod is provided on the top of the base, and the threaded rod is threadably connected to the bottom of the support plate.

[0010] Preferably, a rotating motor is provided on the bottom of the support plate, and an output end of the rotating motor passes through the support plate and is transmission-connected to the rotating member.

[0011] Preferably, the hydraulic plate is slidably connected to the inner wall of the hydraulic cavity, a sealing member is provided on the bottom of the hydraulic cavity, and the sealing member is connected to the nozzle connection joint.

[0012] Preferably, an anti-slip layer is provided on the inner wall of the limiting groove, and the nozzle is facing the direction of the limiting groove.

[0013] Preferably, a control button is provided on the support plate, and the control button is control-connected to the linear motor.

[0014] Preferably, a plurality of sets of transmission wheels are provided on the inner wall of the feed slide rail, and the plurality of sets of transmission wheels are evenly spaced and distributed on the side surface of the inner wall of the feed slide rail.

[0015] Preferably, a discharge valve is provided inside the hydraulic cavity, and the communication direction of the discharge valve is toward directly below the hydraulic cavity; the discharge valve is rotatably connected to the side of the inner wall of the hydraulic cavity, and a hydraulic plate is provided on the bottom output end of the linear motor; the hydraulic plate is slidably connected to the inner wall of the hydraulic cavity, and the feed valve and the exhaust valve are arranged on both sides of the bottom of the hydraulic cavity; the height of the feed valve and the exhaust valve is higher than the height of the discharge valve.

[0016] Preferably, a collecting bucket is provided on the support plate, a telescopic rod is provided on the top of the support bracket, and the telescopic rod is transmission-connected to the sliding docking piece.

[0017] The above technical solution of the utility model has the following beneficial technical effects:

[0018] The utility model can effectively improve the feeding and docking effect of the cans through the device, thereby reducing the difficulty of the combined docking of the device. At the same time, the structure of the turntable can reduce the footprint of the device, and the device is convenient for feeding and discharging materials through rotation. At the same time, the combination of the feed valve and the exhaust valve of the device can effectively improve the injection processing stability and the discharge accuracy of the device, thereby avoiding the residue of raw materials in the hydraulic cavity. The exhaust valve structure can add air into the hydraulic cavity, so that the residual raw material mixed with air is discharged from the bottom of the nozzle through the push of the hydraulic plate, ensuring that there will be no residue of raw materials in the nozzle when the device stops working. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings are only used to illustrate the principles, implementation methods, applications, characteristics and effects of the specific embodiments of the present application and other related contents, and shall not be considered as limitations of the present application.

[0020] In the drawings of the specification:

[0021] Figure 1 This is a front view of an embodiment of an anti-clogging glue injection machine of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the turntable in the embodiment of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the raw material tank in the embodiment of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the sliding docking member in the embodiment of the utility model;

[0025] Figure 5 It is a schematic diagram of the structure of part A in the embodiment of the utility model.

[0026] The reference numerals in the above drawings are described as follows:

[0027] 1. Base; 2. Support plate; 3. Feed slide rail; 4. Rotating part; 5. Turntable; 6. Limit groove; 7. Support bracket; 8. Raw material barrel; 9. Telescopic tube; 10. Sliding docking part; 11. Sliding groove; 12. Docking tube; 13. Connecting plate; 14. Connecting tube; 15. Feed valve; 16. Hydraulic chamber; 17. Linear motor; 18. Exhaust valve; 19. Discharge valve; 20. Hydraulic plate; 21. Collecting bucket. DETAILED DESCRIPTION

[0028] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0029] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0030] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0031] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, X and / or Y, which means: X exists, Y exists, and X and Y exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in a logical relationship of "or".

[0032] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0033] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0034] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0035] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0036] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0037] Embodiment 1

[0038] like Figure 1-Figure 5 As shown, the utility model proposes an anti-clogging glue injection machine, including a base 1, a support plate 2, a feed slide rail 3, a rotating member 4, a turntable 5, a limit groove 6, a support bracket 7, a raw material barrel 8, a telescopic tube 9, a sliding docking member 10 and a sliding groove 11;

[0039] The top of the base 1 is connected to the support plate 2; the top of the support plate 2 is connected to the feed slide rail 3; the top of the support plate 2 is connected to the support bracket 7; the top of the support plate 2 is rotatably connected to the rotating member 4; the end of the rotating member 4 away from the support plate 2 is rotatably connected to the turntable 5; a plurality of groups of limiting grooves 6 are provided on the top of the turntable 5; the plurality of groups of limiting grooves 6 are distributed in a circle on the top of the turntable 5; the top of the support bracket 7 is connected to the raw material barrel 8; the bottom side of the raw material barrel 8 is connected to the telescopic tube 9; the end of the telescopic tube 9 away from the raw material barrel 8 is connected to the sliding docking member 10; the bottom of the sliding docking member 10 is slidably connected to the sliding groove 11; the sliding groove 11 is arranged on the top of the support bracket 7; the bottom of the sliding docking member 10 is provided with a pressurizing structure for pressurized glue injection processing on the top of the can;

[0040] Further, the pressurizing structure includes a butt joint pipe 12, a connecting plate 13, a connecting pipe 14, a feed valve 15, a hydraulic cavity 16, a linear motor 17 and an exhaust valve 18; the butt joint pipe 12 is connected to the bottom of the sliding butt joint 10; the bottom of the butt joint pipe 12 is connected to the connecting plate 13; the bottom of the butt joint pipe 12 passes through the connecting plate 13 and is connected to the connecting pipe 14; the top of the connecting plate 13 is connected to the linear motor 17; the bottom of the connecting plate 13 is connected to the hydraulic cavity 16; a hydraulic plate 20 is provided on the bottom output end of the linear motor 17, and the hydraulic plate 20 is slidably connected to the inner wall of the hydraulic cavity 16; a nozzle is provided on the bottom of the hydraulic cavity 16; the side of the hydraulic cavity 16 is connected to the feed valve 15; the side of the feed valve 15 is connected to the connecting pipe 14; the side of the hydraulic cavity 16 is connected to the exhaust valve 18;

[0041] Furthermore, a plurality of shock-absorbing pads are provided on the bottom of the base 1, and a threaded rod is provided on the top of the base 1, which is threadedly connected to the bottom of the support plate 2; the structure of the plurality of shock-absorbing pads can effectively improve the supporting stability of the device, and at the same time, the structure of the threaded rod can effectively improve the lifting and lowering adjustment efficiency of the device, thereby facilitating the horizontal adjustment of the device.

[0042] Furthermore, a rotating motor is provided on the bottom of the support plate 2, and the output end of the rotating motor passes through the support plate 2 and is transmission-connected to the rotating member 4; the transmission method of the rotating motor can effectively improve the rotation accuracy of the turntable 5 of the device, thereby ensuring that the rotation angle of the raw material is accurate when it passes through the feed slide rail 3 and enters the limiting groove 6 of the turntable 5.

[0043] Furthermore, an anti-slip layer is provided on the inner wall of the limiting groove 6, and the nozzle faces the direction of the limiting groove.

[0044] Furthermore, a control button is provided on the support plate 2, and the control button is connected to the linear motor control.

[0045] Furthermore, a plurality of transmission wheels are provided on the inner wall of the feed slide rail 3, and the plurality of transmission wheels are evenly spaced and distributed on the side surface of the inner wall of the feed slide rail.

[0046] Furthermore, a discharge valve 19 is provided inside the hydraulic cavity 16, and the communication direction of the discharge valve 19 is toward directly below the hydraulic cavity 16; the discharge valve 19 is rotatably connected to the side of the inner wall of the hydraulic cavity, and a hydraulic plate 20 is provided on the bottom output end of the linear motor; the hydraulic plate 20 is slidably connected to the inner wall of the hydraulic cavity, and the feed valve and the exhaust valve are arranged on both sides of the bottom of the hydraulic cavity; the height of the feed valve and the exhaust valve is higher than the height of the discharge valve.

[0047] Furthermore, a collecting bucket 21 is provided on the support plate 2, and a telescopic rod is provided on the top of the support bracket, and the telescopic rod is transmission-connected to the sliding docking piece.

[0048] In this embodiment, the device can effectively improve the accuracy of the glue injection process and the stability of the use of the glue raw material. The structure of the device can prevent the raw material from remaining inside the nozzle of the device, thereby ensuring the accuracy of the glue injection process of the can lid of the device. When the device is in a working state, the combination of the feed slide rail 3 and the turntable 5 can effectively improve the stability of the feed speed. The combination of the rotating part 4 and the turntable 5 can facilitate the device to drive the can to be located at the bottom of the processing position of the device accurately, thereby improving the processing accuracy of the device. When the device is processing, the feed valve 15 is opened and the exhaust valve 18 is closed. At this time, the raw material is connected from the raw material barrel 8 to the sliding docking piece 10 and the docking pipe 12 through the telescopic tube 9; through the combination of hydraulic pressure and the one-way valve The combination can ensure that the raw materials of the device enter the hydraulic cavity 16 in one direction, so as to facilitate the ejection of the raw materials from the bottom nozzle. When the processing of the device is completed, the hydraulic cavity 16 of the device can be emptied through the exhaust valve 18, so as to avoid the residual raw materials from affecting the device. In the process of emptying and removing impurities of the device, the discharging structure of the device is driven to slide horizontally by the telescopic rod, so that the hydraulic cavity 16 is located directly above the collecting bucket 21. At this time, the residual raw materials in the hydraulic cavity 16 of the device can be discharged into the collecting bucket 21 by entering the air to squeeze the remaining raw materials, so as to avoid the residues from affecting the workpiece. The discharging structure can be moved back to the position ready for processing by sliding in the opposite direction, so as to ensure the processing continuity of the device.

[0049] Embodiment 2

[0050] like Figure 1-Figure 5As shown, the utility model proposes an anti-clogging glue injection machine. Compared with the first embodiment, in this embodiment, the hydraulic plate 20 is slidably connected to the inner wall of the hydraulic cavity 16, and a sealing member is provided on the bottom of the hydraulic cavity 16, and the sealing member is connected to the nozzle connection joint; the combination of the hydraulic plate 20 and the hydraulic cavity 16 can improve the internal pressure control effect of the hydraulic cavity 16 by the device. When the device is performing glue injection processing, the exhaust valve 18 is closed and the feed valve 15 is opened. At this time, a one-way discharge effect of the raw material is achieved. When the glue injection processing is completed and there is residual raw material in the hydraulic cavity 16, the combination of closing the feed valve 15 and opening the exhaust valve 18 can discharge the residual raw material in the hydraulic cavity 16 through air compression, thereby avoiding problems such as raw material clogging the nozzle.

[0051] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present application and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. An anti-clogging glue injection machine, characterized in that: It comprises a base (1), a support plate (2), a feed slide rail (3), a rotating member (4), a turntable (5), a limiting groove (6), a support bracket (7), a raw material barrel (8), a telescopic tube (9), a sliding docking member (10) and a sliding groove (11); The top of the base (1) is connected to the support plate (2); the top of the support plate (2) is connected to the feed slide rail (3); the top of the support plate (2) is connected to the support bracket (7); the top of the support plate (2) is rotatably connected to the rotating member (4); the end of the rotating member (4) away from the support plate (2) is rotatably connected to the turntable (5); a plurality of groups of limiting grooves (6) are provided on the top of the turntable (5); the plurality of groups of limiting grooves (6) are distributed in a circumferential manner on the top of the turntable (5); the top of the support bracket (7) is connected to the raw material barrel (8); the side surface of the bottom of the raw material barrel (8) is connected to the telescopic tube (9); the end of the telescopic tube (9) away from the raw material barrel (8) is connected to the sliding docking member (10); the bottom of the sliding docking member (10) is slidably connected to the sliding groove (11); the sliding groove (11) is arranged on the top of the support bracket (7); and a pressurizing structure for pressurizing and injecting glue on the top of the can is provided on the bottom of the sliding docking member (10).

2. The anti-clogging glue injection machine according to claim 1, characterized in that: The pressurizing structure comprises a butt joint pipe (12), a connecting plate (13), a connecting pipe (14), a feed valve (15), a hydraulic cavity (16), a linear motor (17) and an exhaust valve (18); the butt joint pipe (12) is connected to the bottom of the sliding butt joint (10); the bottom of the butt joint pipe (12) is connected to the connecting plate (13); the bottom of the butt joint pipe (12) passes through the connecting plate (13) and is connected to the connecting pipe (14); the top of the connecting plate (13) is connected to the linear motor (17); the bottom of the connecting plate (13) is connected to the hydraulic cavity (16); a hydraulic plate is provided on the output end of the bottom of the linear motor (17), and the hydraulic plate is slidably connected to the inner wall of the hydraulic cavity (16); a nozzle is provided on the bottom of the hydraulic cavity (16); the side of the hydraulic cavity (16) is connected to the feed valve (15); the side of the feed valve (15) is connected to the connecting pipe (14); and the side of the hydraulic cavity (16) is connected to the exhaust valve (18).

3. The anti-clogging glue injection machine according to claim 1, characterized in that: A plurality of groups of shock-absorbing pads are arranged on the bottom of the base (1), a threaded rod is arranged on the top of the base (1), and the threaded rod is threadably connected to the bottom of the support plate (2).

4. The anti-clogging glue injection machine according to claim 1, characterized in that: A rotating motor is provided on the bottom of the support plate (2), and the output end of the rotating motor passes through the support plate (2) and is transmission-connected to the rotating member (4).

5. The anti-clogging glue injection machine according to claim 1, characterized in that: The hydraulic plate is slidably connected to the inner wall of the hydraulic cavity (16); a sealing member is provided on the bottom of the hydraulic cavity (16); and the sealing member is connected to the nozzle connection joint.

6. The anti-clogging glue injection machine according to claim 1, characterized in that: An anti-slip layer is provided on the inner wall of the limiting groove (6), and the spray head faces the direction of the limiting groove (6).

7. The anti-clogging glue injection machine according to claim 1, characterized in that: A control button is provided on the support plate (2), and the control button is control-connected to the linear motor (17).

8. The anti-clogging glue injection machine according to claim 1, characterized in that: A plurality of groups of transmission wheels are arranged on the inner wall of the feed slide rail (3), and the plurality of groups of transmission wheels are evenly spaced and distributed on the side surface of the inner wall of the feed slide rail (3).

9. The anti-clogging glue injection machine according to claim 1, characterized in that: A discharge valve (19) is provided inside the hydraulic cavity (16), and the communication direction of the discharge valve (19) is toward the bottom of the hydraulic cavity (16); the discharge valve (19) is rotatably connected to the side of the inner wall of the hydraulic cavity (16); a hydraulic plate (20) is provided on the bottom output end of the linear motor (17); the hydraulic plate (20) is slidably connected to the inner wall of the hydraulic cavity (16); the feed valve (15) and the exhaust valve (18) are arranged on both sides of the bottom of the hydraulic cavity (16); the height of the feed valve (15) and the exhaust valve (18) is higher than the height of the discharge valve (19).

10. The anti-clogging glue injection machine according to claim 1, characterized in that: A collecting bucket (21) is provided on the support plate (2), a telescopic rod is provided on the top of the support bracket (7), and the telescopic rod is transmission-connected to the sliding docking member (10).

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