Hinge nailing machine for mirror frame machining

Abstract

The utility model discloses a hinge nailing machine for machining a mirror frame, which comprises a machine base and a mirror frame conveying assembly, and the mirror frame conveying assembly is arranged on the machine base and is used for placing the mirror frame; the mirror frame placing assembly is arranged on the machine base and located at the output end of the mirror frame conveying assembly, and the mirror frame placing assembly is used for receiving the mirror frames output by the mirror frame conveying assembly and clamping the mirror frames; the multi-shaft driving assembly is arranged on the machine base, and the multi-shaft driving assembly is used for providing a plurality of axial movement tracks; the mirror frame machining assembly is arranged on the multi-axis driving assembly, and mirror frame machining units can move along with the multi-axis driving assembly and conduct punching treatment on mirror frames on the mirror frame containing assembly; and the hinge conveying assembly is arranged on the machine base. According to the utility model, conveying, fixing and processing of the mirror frame, conveying and assembling of the hinge and final discharging can be automatically completed, so that the production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of hinge assembly equipment, in particular to a hinge nailing machine for processing mirror frames. Background Art

[0002] The temple of the glasses is an important part of the glasses. The temple of the glasses and the glasses frame are hinged to each other through a hinge. Usually the hinge includes a male hinge and a female hinge. Usually the male hinge is embedded in the molded and polished temple of the glasses, and the female hinge is embedded in the molded and polished frame of the glasses. Then, a pin is passed through the male hinge and the female hinge to realize the mutual hinge connection between the temple of the glasses and the glasses frame.

[0003] In the prior art, the patent document with application number: CN201220176865.X discloses a hinge nailing machine, which mainly includes a frame, a support frame is connected to the frame, a slideway is provided on the support frame, a frame placing frame is provided on the slideway, the frame placing frame is arranged on the slideway in cooperation with cylinder A, a cylinder B is arranged through the frame at the rear of the support frame, a punching device is arranged on the upper part of the frame placing frame, and hinge chuck devices are arranged on both sides of the punching device. The frame is placed on the frame placing frame, and then chucks are placed on the two chucks. First, with the cooperation of the punching device, holes slightly smaller than the hinge are arranged on both sides of the frame. After the punching is completed, the two chucks are arranged in the corresponding holes of the frame through the hinge chuck device to complete the hinge nailing work. This structural design is reasonable, so that the hinge nailing process is completed automatically, reducing the labor of employees, saving the time spent on hinge nailing, and increasing the production of the enterprise.

[0004] However, the existing nail hinge machine has inconvenience in placing and taking out the frame, which affects the processing efficiency. Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0005] The utility model aims to provide a nail hinge machine for processing a mirror frame, which is used to solve the problem that the existing nail hinge machine is inconvenient in placing and taking out the mirror frame, thus affecting the processing efficiency.

[0006] The above technical objectives of the utility model are achieved by using the following technical solutions:

[0007] A nail hinge machine for processing a mirror frame, comprising a machine base, the machine base is used to provide an installation space, and also includes:

[0008] A mirror frame conveying assembly is arranged on the machine base, and is used to place the mirror frame, and can drive the mirror frame to move through the mirror frame conveying assembly;

[0009] A mirror frame placement component is arranged on the machine base and located at the output end of the mirror frame conveying component. The mirror frame placement component is used to receive the mirror frame output by the mirror frame conveying component and clamp the mirror frame;

[0010] A multi-axis drive assembly, which is arranged on a machine base and is used to provide multiple axial movement tracks;

[0011] A mirror frame processing component, the mirror frame processing component is arranged on the multi-axis driving component, the mirror frame processing unit can move with the multi-axis driving component, and performs a punching process on the mirror frame on the mirror frame placement component;

[0012] The hinge conveying assembly is arranged on the machine base and has a space for placing the hinge.

[0013] The utility model is further configured as follows: the frame conveying assembly comprises:

[0014] A conveying bracket, which is used to provide a fixed installation space;

[0015] A driving unit, the driving unit is arranged on the conveying bracket, and the driving unit is used to provide a driving force;

[0016] A lifting unit, wherein the lifting unit has a space for placing a mirror frame, and one end of the lifting unit is connected to a driving unit, and the lifting unit is driven by the driving unit to drive the mirror frame disposed on the lifting unit to move;

[0017] The limiting unit is arranged on the output end of the lifting unit and is used to limit and block the mirror frame.

[0018] The utility model is further configured as follows: the mirror frame placement unit comprises:

[0019] A mobile unit, the mobile unit is used to provide a moving track;

[0020] A turning unit, which is arranged on the moving unit and is used to provide turning power;

[0021] A fixed seat, the fixed seat is used to place the mirror frame to be processed, the fixed seat is connected to the flip end of the flip unit, and the fixed seat and the mirror frame arranged on the fixed seat can be driven to rotate through the flip unit;

[0022] The clamping unit is arranged on the fixing seat and is used for clamping the mirror frame so as to abut the mirror frame against the fixing seat.

[0023] The utility model is further configured as follows: the multi-axis drive assembly includes:

[0024] A driving gantry, wherein the driving gantry has a driving mechanism, the driving mechanism is used to provide a moving track, and a plurality of moving seats are arranged on the driving mechanism;

[0025] A driving unit, wherein a plurality of driving units are arranged on a plurality of moving seats, and the driving units are used to provide moving tracks.

[0026] The utility model is further configured as follows: the mirror frame processing assembly includes:

[0027] The punching unit is arranged on the driving unit, and the punching unit can move and rise with the driving unit to perform punching processing on the mirror frame.

[0028] The utility model is further configured as follows: the hinge conveying assembly comprises:

[0029] A feeding unit, wherein the feeding unit has a space for placing a hinge;

[0030] A conveying unit, wherein a plurality of conveying units are arranged on the driving mechanism, and the conveying units can move with the driving mechanism and clamp and convey the hinge.

[0031] The utility model is further configured as follows: it also includes a discharging assembly, the discharging assembly includes:

[0032] A discharge channel, wherein a first end of the discharge channel is located on the top surface of the machine base, and a second end of the discharge channel is located on the side surface of the machine base;

[0033] The guide plate is arranged on the top surface of the machine base and is located on one side of the first end of the discharge channel. The mirror frame on the mirror frame placement assembly can enter the discharge channel through the guide plate.

[0034] In summary, the utility model has the following beneficial effects:

[0035] 1. Efficient automation: The operation process of the entire machine is highly automated, from the delivery, fixation, processing of the frame to the delivery and assembly of the hinge, and finally to the discharge, all of which can be completed automatically without excessive manual intervention, thus greatly improving production efficiency.

[0036] 2. High precision: Through the precise control of the multi-axis drive assembly, the punching unit and the handling unit can be accurately moved to the specified position, achieving precise punching of the frame and precise assembly of the hinge, ensuring the consistency of product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is one of the device schematic diagrams of the utility model.

[0038] Figure 2 This is the second schematic diagram of the device of the utility model.

[0039] Figure 3This is one of the structural schematic diagrams of the mirror frame conveying assembly of the utility model.

[0040] Figure 4 This is the second structural schematic diagram of the mirror frame conveying assembly of the utility model.

[0041] Figure 5 It is a side view of the mirror frame conveying assembly of the utility model.

[0042] Figure 6 It is a top view of the mirror frame conveying assembly of the utility model.

[0043] Figure 7 It is a schematic diagram of the structure of the drive unit of the utility model.

[0044] Figure 8 It is a structural schematic diagram of a mirror frame placement component of the utility model.

[0045] Fig. 9 It is a front view of the mirror frame placement component of the utility model.

[0046] Fig.10 It is a top view of the mirror frame placement component of the utility model.

[0047] Fig.11 It is a partial enlarged view of the utility model.

[0048] Fig.12 It is a schematic diagram of the structure of the hinge conveying assembly of the utility model.

[0049] Fig.13 It is the front view of the hinge conveying assembly of the utility model.

[0050] Fig.14 It is a side view of the hinge conveying assembly of the utility model.

[0051] Digital Label:

[0052] Machine base 100, discharge channel 101, guide plate 102;

[0053] Frame conveying assembly 200, conveying bracket 201, first cylinder 202, displacement plate 203, driving guide rail 204, guide plate 205, second cylinder 206, lifting bracket 207, lifting plate 208, limiting member 209, limiting cylinder 210, limiting plate 211, limiting bucket 212;

[0054] Mirror frame placement assembly 300, first guide rail 301, sliding seat 302, rotating seat 303, rotating member 304, flip motor 305, fixed seat 306, clamping cylinder 307, clamping plate 308;

[0055] Multi-axis drive assembly 400, drive gantry 401, gantry slide rail 402, moving seat 403, drive frame 404, screw 405, drive motor 406, moving slide 407;

[0056] Frame processing assembly 500, punching motor 501, punching tool 502;

[0057] Hinge conveying assembly 600 , feeding rack 601 , feeding slide rail 602 , placement plate 603 , and clamping claw 604 . DETAILED DESCRIPTION

[0058] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with illustrations and specific embodiments.

[0059] like Figures 1 to 14 As shown, the present invention provides a nail hinge machine for processing a mirror frame, comprising a machine base 100, the machine base 100 is used to provide an installation space, and further comprises:

[0060] The frame conveying assembly 200 has a driving structure inside. The frame conveying assembly 200 is arranged on the machine base 100. The frame conveying assembly 200 is used to place the frame and drive the frame to move on a set path to ensure that the frame can be accurately conveyed to the next process.

[0061] The frame placement assembly 300 is arranged on the machine base 100 and is located at the output end of the frame conveying assembly 200. The frame placement assembly 300 is used to receive the frame output by the frame conveying assembly 200, and includes a clamping unit that can stably fix the frame to prevent movement or offset during processing, thereby ensuring processing accuracy;

[0062] A multi-axis driving assembly 400, which is disposed on the machine base 100, and is used to provide multiple axial movement tracks. Through the multi-axis driving assembly 400, the frame processing assembly 500 can be precisely controlled to move in multiple directions to meet processing requirements;

[0063] A mirror frame processing assembly 500, which is disposed on the multi-axis driving assembly 400. The mirror frame processing unit can move with the multi-axis driving assembly 400 and perform a punching process on the mirror frame on the mirror frame placement assembly 300;

[0064] The hinge conveying assembly 600 is disposed on the base 100 . The hinge conveying assembly 600 has a space for placing the hinge. The hinge conveying assembly 600 is used to convey the hinge to a designated position for subsequent assembly with the frame.

[0065] In this embodiment, the frame conveying assembly 200 includes a conveying bracket 201, which is used to provide a fixed installation space to ensure that the driving unit, the lifting unit and the limiting unit can be stably installed thereon;

[0066] A driving unit, which is arranged on the conveying bracket 201, and is used for providing a driving force; a lifting unit, which has a space for placing a mirror frame, and which is adapted to the shape and size of the mirror frame to ensure that the mirror frame can be stably placed thereon and will not fall off or shift during movement; one end of the lifting unit is connected to the driving unit, and the lifting unit is driven by the driving unit, and drives the mirror frame arranged on the lifting unit to move; a limiting unit, which is arranged on the output end of the lifting unit, and is used for limiting and blocking the mirror frame to ensure that the mirror frame can accurately stop when it reaches a specified position.

[0067] The driving unit includes a first cylinder 202 arranged on a conveying bracket 201, a push rod of the first cylinder 202 is transmission-connected to a displacement plate 203, a driving guide rail 204 is provided on both sides of the displacement plate 203, a guide plate 205 is provided in the middle position of the displacement plate 203, both ends of the guide plate 205 extend out of the displacement plate 203 respectively, and are movably connected to the driving guide rail 204 through a guide block; a second cylinder 206 is provided at both ends of the displacement plate 203, a push rod of the second cylinder 206 is transmission-connected to the lifting unit.

[0068] The lifting unit includes a lifting bracket 207, which is arranged on the conveying bracket 201. A lifting plate 208 is provided on the lifting bracket 207, and the bottom of the lifting plate 208 is transmission-connected to the push rods of the two second cylinders 206; a plurality of limit members 209 are provided between the lifting bracket 207 and the lifting plate 208, and the space between the limit members 209 is used to place the mirror frame.

[0069] The limiting unit includes a limiting cylinder 210, a limiting plate 211 and a limiting bucket 212. The limiting cylinder 210 is arranged in the conveying bracket 201. The cylinder shaft of the limiting cylinder 210 is connected to the first end of the limiting plate 211. The second end of the limiting plate 211 extends outward through the through groove on the limiting bucket 212, and the mirror frame entering the limiting bucket 212 is limited by the limiting plate 211.

[0070] The working process of the mirror frame conveying assembly 200 is as follows: the mirror frame is placed between the limiting pieces 209. When the mirror at the top enters the mirror frame placing assembly 300, the second cylinder 206 is started, and the second cylinder 206 pushes the lifting plate 208 to move upwards through the push rod, so that the lifting plate 208 and the mirror frame are separated from the limiting pieces 209 on both sides; the first cylinder 202 is started, and the first cylinder 202 pushes the displacement plate 203 through the push rod, and the displacement plate 203 moves forward along the guide rail by a distance of one station through the guide plate 205 and the guide block, so that the mirror frame at the front end reaches the limiting unit, and the limiting cylinder 210 is started, and the limiting cylinder 210 drives the limiting plate 211 to move downwards, and the mirror frame enters the mirror frame placing assembly 300 along the limiting bucket 212;

[0071] The frame conveying assembly 200 realizes smooth conveyance and accurate positioning of the frame through the coordinated work of the conveying bracket 201, the driving unit, the lifting unit and the limiting unit.

[0072] In this embodiment, the frame placement unit includes a moving unit, which is used to provide a moving trajectory; the moving unit includes a first guide rail 301 and a sliding seat 302, multiple first guide rails 301 are arranged on the top surface of the base 100, and a slider is slidably arranged on the first guide rail 301. The bottom of the sliding seat 302 is slidably matched with the first guide rail 301 through the slider, and the top of the sliding seat 302 has a supporting plane.

[0073] The flipping unit is arranged on the moving unit, and the flipping unit is used to provide flipping power so that the fixed seat 306 and the frame thereon can be rotated or flipped, so as to facilitate the processing of different surfaces of the frame; the flipping unit includes a rotating seat 303, the bottom of which is installed on the sliding seat 302, and a rotating member 304 and a flipping motor 305 are arranged on the rotating seat 303. The motor shaft of the flipping motor 305 is connected to the rotating member 304, and the rotating member 304 is driven to rotate within a certain angle by the flipping motor 305, and drives the fixed seat 306 arranged on the rotating member 304.

[0074] A fixing seat 306, the fixing seat 306 matches the shape and size of the eyeglass frame to ensure that the eyeglass frame can be stably placed thereon, the fixing seat 306 is connected to the flip end of the flip unit, and the fixing seat 306 and the eyeglass frame arranged on the fixing seat 306 can be driven to rotate through the flip unit;

[0075] The clamping unit is arranged on the fixed seat 306, and the clamping unit is used to clamp the frame and abut the frame against the fixed seat 306 to ensure that the frame can maintain a stable position and posture during the processing; the clamping unit includes a clamping cylinder 307, and four clamping cylinders 307 are provided, and two are arranged at both ends of the fixed seat 306, and the cylinder shaft of the clamping cylinder 307 is connected to the clamping plate 308, and the clamping plate 308 can be driven to move up and down by the clamping cylinder 307.

[0076] The frame placement unit realizes accurate positioning and stable clamping of the frame through the coordinated work of the moving unit, the flipping unit, the fixing seat 306 and the clamping unit.

[0077] In this embodiment, the multi-axis driving assembly 400 includes a driving gantry 401, and the driving gantry 401 has a driving mechanism, and the driving mechanism includes a gantry slide rail 402, which is used to provide a moving track, and a plurality of moving seats 403 are arranged on the driving mechanism, which can move along the gantry slide rail 402 on the gantry;

[0078] Drive unit, multiple drive units are arranged on multiple moving seats 403, each drive unit can work independently, and the drive unit is used to provide a moving trajectory. By controlling the movement of each drive unit, the multi-axis drive assembly 400 can achieve multi-axis linkage, so that the frame processing assembly 500 and the transport unit can move accurately in multiple directions.

[0079] The driving unit includes a driving frame 404, on which a screw 405 is disposed, one end of which is connected to the output end of a driving motor 406, and a movable slide 407 is disposed on the screw 405, and the screw 405 is driven by the driving motor 406 to drive the movable slide 407 to move along the length direction of the screw 405. Preferably, the driving motor 406 adopts a servo motor to provide better driving control accuracy.

[0080] The multi-axis driving assembly 400 achieves precise driving and control of the mirror frame processing assembly 500 in multiple axial directions by driving the gantry 401 and the driving unit to realize the automated processing of the mirror frame.

[0081] In this embodiment, the frame processing assembly 500 includes a punching unit, which is arranged on the driving unit. The punching unit can move and rise with the driving unit to perform punching processing on the frame. The punching unit and the driving mechanism work together to achieve fast and accurate punching processing on the frame.

[0082] The punching unit includes a punching motor 501, which is installed on the movable slide 407 of the driving unit and can move with the movable slide 407. The motor shaft of the punching motor 501 is connected to the punching tool 502, and the punching tool 502 is driven to rotate by the punching motor 501, thereby punching the frame.

[0083] In this embodiment, the hinge conveying assembly 600 includes a feeding unit, which has a space for placing the hinge; the feeding unit includes a feeding rack 601, which has an installation space, and a feeding slide rail 602 is arranged on the top of the feeding rack 601, and a placement plate 603 is slidably matched with the feeding slide rail 602 through a slider, and the placement plate 603 can move along the length direction of the feeding slide rail 602;

[0084] A transport unit, wherein a plurality of transport units are arranged on the driving mechanism, and the transport unit can move with the driving mechanism and clamp and transport the hinge. The transport unit comprises a clamping jaw 604, and the clamping jaw 604 is used to accurately clamp the hinge.

[0085] Through the coordinated work of the feeding unit and multiple handling units, the hinge conveying assembly 600 can efficiently transport hinges from one place to another, ensuring the continuity and efficiency of the production process and improving the automation level of the overall production line.

[0086] In this embodiment, the nail hinge machine further includes a discharge assembly, which includes a discharge channel 101, a first end of the discharge channel 101 is located on the top surface of the machine base 100, and a second end of the discharge channel 101 is located on the side of the machine base 100;

[0087] The guide plate 102 is disposed on the top surface of the machine base 100 and is located on one side of the first end of the discharge channel 101 . The lens frame on the lens frame placement assembly 300 can enter the discharge channel 101 through the guide plate 102 .

[0088] The processing flow of the present invention is as follows: frame conveying, placing the frame to be processed on the lifting unit, starting the driving unit to drive the lifting unit and driving the frame set on the lifting unit to move, when the frame moves to the top of the lifting unit, it enters the limiting unit, the limiting unit descends, and the frame enters the frame placement component 300; frame fixing, starting the clamping unit to abut the frame on the fixed seat 306, adjusting the position of the frame by the flip unit, and driving the fixed seat 306 by the moving unit to move the frame belt to the processing position; frame processing, driving the punching unit to move above the fixed seat 306 by the multi-axis driving component 400, starting The punching unit punches holes in the frame on the fixing seat 306, and opens mounting holes on the frame for installing hinges; hinge conveying, placing the hinge on the input end of the feeding unit, starting the feeding unit to move the hinge to the output end of the feeding unit, starting the conveying unit to clamp the hinge, and conveying the hinge from the feeding unit to the fixing seat 306, and inserting the hinge into the mounting hole on the frame to complete the hinge assembly; glasses are discharged, the clamping unit is reset, and the conveying unit moves the assembled glasses from the fixing seat 306 into the guide plate 102, and the glasses are guided into the discharge channel 101 through the guide plate 102 and discharged outward.

[0089] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "connection" and the like should be understood in a broad sense, for example, "connection" 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 an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances. In this document, the terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of elements other than those listed and may also include additional elements not expressly listed.

[0090] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A nail hinge machine for processing a mirror frame, comprising a machine base, the machine base is used to provide an installation space, characterized in that: Also includes, A mirror frame conveying assembly, wherein the mirror frame conveying assembly is arranged on the machine base and is used to place the mirror frame and can drive the mirror frame to move; A mirror frame placement component, which is arranged on the machine base and located at the output end of the mirror frame conveying component, and is used to receive the mirror frame output by the mirror frame conveying component and clamp the mirror frame; A multi-axis drive assembly, the multi-axis drive assembly is arranged on a machine base, and the multi-axis drive assembly is used to provide multiple axial movement tracks; A mirror frame processing assembly, wherein the mirror frame processing assembly is arranged on the multi-axis driving assembly, and the mirror frame processing unit can move with the multi-axis driving assembly and perform a punching process on the mirror frame on the mirror frame placement assembly; A hinge conveying assembly is arranged on a machine base and has a space for placing a hinge.

2. A nail hinge machine for mirror frame processing according to claim 1, characterized in that: The mirror frame conveying assembly comprises: A conveying bracket, the conveying bracket is used to provide a fixed installation space; A driving unit, wherein the driving unit is disposed on the conveying bracket and is used to provide a driving force; A lifting unit, wherein the lifting unit has a space for placing a mirror frame, and one end of the lifting unit is connected to a driving unit, and the lifting unit is driven by the driving unit to drive the mirror frame disposed on the lifting unit to move; A limiting unit is arranged on the output end of the lifting unit, and is used to limit and block the mirror frame.

3. The nail hinge machine for mirror frame processing according to claim 1, characterized in that: The mirror frame placement unit comprises: A moving unit, the moving unit is used to provide a moving track; A turning unit, wherein the turning unit is arranged on the moving unit and is used to provide turning power; A fixed seat, the fixed seat is used to place the mirror frame to be processed, the fixed seat is connected to the flip end of the flip unit, and the fixed seat and the mirror frame arranged on the fixed seat can be driven to rotate by the flip unit; A clamping unit is arranged on the fixing seat, and is used for clamping the mirror frame so that the mirror frame abuts against the fixing seat.

4. The nail hinge machine for mirror frame processing according to claim 1, characterized in that: The multi-axis drive assembly comprises: A driving gantry, wherein the driving gantry has a driving mechanism, the driving mechanism is used to provide a moving track, and a plurality of moving seats are arranged on the driving mechanism; A driving unit, wherein a plurality of driving units are arranged on a plurality of moving seats, and the driving units are used to provide moving tracks.

5. A nail hinge machine for mirror frame processing according to claim 4, characterized in that: The mirror frame processing assembly comprises: The punching unit is arranged on the driving unit, and the punching unit can move and rise with the driving unit to perform punching processing on the frame.

6. A nail hinge machine for mirror frame processing according to claim 4, characterized in that: The hinge conveying assembly comprises: A feeding unit, wherein the feeding unit has a space for placing a hinge; A conveying unit, wherein a plurality of conveying units are arranged on the driving mechanism, and the conveying units can move with the driving mechanism and clamp and convey the hinge.

7. The nail hinge machine for mirror frame processing according to claim 1, characterized in that: It also includes a discharging assembly, the discharging assembly includes, A discharge channel, wherein a first end of the discharge channel is located on the top surface of the machine base, and a second end of the discharge channel is located on the side surface of the machine base; A guide plate is arranged on the top surface of the machine base and is located on one side of the first end of the discharge channel. The mirror frame on the mirror frame placement assembly can enter the discharge channel through the guide plate.

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