An automatic collection device for automobile roof sunroof waste
Patent Information
- Application Number
- CN202511230756.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-30
- Publication Date
- 2026-09-08
- Estimated Expiration
- 2045-08-30
AI Technical Summary
[0004]基于此,本发明的目的是提供一种汽车顶盖天窗废料自动收集装置,旨在解决目前对于废料的回收方式主要为人工收集和半自动化机械收集两种方式,人工收集极易导致板料表面划伤、扭曲变形,致使废料品级下降甚至报废;半自动化机械收集的废料堆叠杂乱、平整度极差,收集完后需要人工再次摆平整,无法满足冲压自动化生产的要求的技术问题
[0024] Compared to existing technologies, the advantages of the automatic collection device for automotive sunroof waste of the present invention are as follows: The placement space formed by the positioning component, combined with the precise guidance of the guiding component, ensures that the trimming waste falls smoothly along a predetermined trajectory, avoiding collisions, scratches, and deformations during collection, thus guaranteeing the quality of waste collection from the source. Simultaneously, by setting up a leveling component consisting of a driving component and a striking plate, and in conjunction with an electronic control system, the edges of the waste can be tapped and tidied after falling, solving the problem of messy stacking of waste in the collection frame, improving stack flatness, and meeting the requirements of automated stamping production. Furthermore, the collection component, through the cooperation of guide rollers and the guiding component, can smoothly move into or out of the working position. Combined with the first lifting lug, this enables rapid and safe replacement of the collection component, greatly improving material replacement efficiency and shortening production line downtime.
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Figure CN120920622B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of vehicle technology, and in particular to an automatic collection device for waste materials from automobile sunroofs. Background Technology
[0002] In the process of vehicle manufacturing, sheet metal stamping is one of the core processes. In particular, the production of large body panels, such as roofs and side panels, generates a large amount of trimming waste. The recycling and reuse of this trimming waste is of great significance for controlling the material cost of the whole vehicle.
[0003] Currently, the main methods for recycling waste materials are manual collection and semi-automatic mechanical collection. However, manual collection is inefficient, labor-intensive, and prone to causing scratches, twisting, and deformation of the sheet metal surface during handling and stacking, leading to a decline in the grade of the waste or even rendering it unusable. Semi-automatic mechanical collection, such as using conveyor belts, simple chutes, or collection vehicles, improves collection efficiency, but the waste is out of control during the sliding and stacking process, resulting in messy and uneven stacking of waste in the collection box. After collection, manual re-leveling is required, which cannot meet the requirements of automated stamping production. Summary of the Invention
[0004] Based on this, the purpose of this invention is to provide an automatic collection device for automotive sunroof waste, which aims to solve the technical problems of the current main methods of waste recycling being manual collection and semi-automatic mechanical collection. Manual collection is prone to scratches and distortion of the sheet metal surface, resulting in a decrease in the grade of waste or even scrapping. Semi-automatic mechanical collection results in messy and uneven waste stacking, requiring manual leveling after collection, which cannot meet the requirements of automated stamping production.
[0005] The purpose of this invention is to provide an automatic collection device for waste materials from automobile sunroofs, comprising:
[0006] Base plate;
[0007] A support assembly, disposed on the base plate, is used to support the placement of the workpiece;
[0008] A positioning component is disposed on the base plate, and the positioning component forms a material dropping positioning space for guiding the trimming waste to fall along a predetermined trajectory;
[0009] A collection component for receiving trimming waste falling from the material dropping positioning space;
[0010] A guide component, disposed on the base plate, is used to guide the collecting component to move into or out of the material dropping positioning space below;
[0011] A leveling component, disposed adjacent to the positioning component, is used to tap the edges of trimming waste that falls into the collection component.
[0012] In addition, the automatic collection device for automotive sunroof waste according to the present invention may also have the following additional technical features:
[0013] Furthermore, the support assembly includes a plurality of vertically arranged connecting columns and a horizontally arranged connecting frame. The bottom end of the connecting columns is fixedly connected to the base plate, and the connecting frame is located at the top of the plurality of connecting columns. The connecting frame is provided with a plurality of support blocks for supporting the workpiece.
[0014] Furthermore, the positioning component includes a plurality of positioning elements that surround and form the material unloading positioning space;
[0015] The positioning component includes a connecting part connected to the base plate and a guide part located at the top of the connecting part. The guide part has a guide slope at one end away from the connecting part, and the guide slope has an inclination angle of 30°-60° relative to the horizontal plane.
[0016] Furthermore, at least two leveling components are provided at intervals on at least one side of the material unloading positioning space in the length and width directions. Each leveling component includes a driving member and a striking plate driven by the driving member to perform linear reciprocating motion. The driving member is mounted on the connecting column through a connecting plate. A limiting structure for limiting the stroke of the striking plate is provided between the connecting plate and the striking plate.
[0017] Furthermore, the collection assembly includes a placement seat, a plurality of L-shaped mounting blocks disposed at the corners of the placement seat, and a baffle mounted on the L-shaped mounting blocks, wherein each end of the L-shaped mounting block is provided with a guide roller.
[0018] Furthermore, the collection assembly also includes a plurality of first lifting lugs, which are fixedly disposed within the L-shaped space of the L-shaped mounting block. Each first lifting lug includes a first mounting base, a first connector detachably connected to the first mounting base, and a first limiting block for locking the first connector.
[0019] Furthermore, the guide assembly includes a plurality of guide plates and a plurality of guide blocks for contacting the guide roller. The guide plates are fixed to the side of the connecting column adjacent to the positioning assembly. The top of the guide plate is provided with an inclined abutment surface, the inclination angle of which is 10°-20°.
[0020] The top of the connecting column with the guide plate is provided with the guide block, and the guide block is provided with an inclined guide surface with an inclination angle of 30°-60°.
[0021] Furthermore, it also includes a plurality of second lifting lugs, which are fixedly disposed at the corners of the base plate. Each second lifting lug includes a second mounting base, a second connector detachably connected to the second mounting base, and a second limiting block for locking the second connector. The second mounting base is fixedly disposed on the top surface of the base plate.
[0022] Furthermore, it also includes an installation component for precisely positioning and installing the entire device on the working platform of the stamping equipment. The installation component includes multiple mounting blocks and positioning pins disposed within the mounting blocks. The bottom surface of the base plate is provided with a mounting groove adapted to the mounting blocks, and the positioning pins pass through the mounting blocks and the base plate in sequence.
[0023] Furthermore, it also includes an electronic control system, which is signal-connected to the drive component.
[0024] Compared to existing technologies, the advantages of the automatic collection device for automotive sunroof waste of the present invention are as follows: The placement space formed by the positioning component, combined with the precise guidance of the guiding component, ensures that the trimming waste falls smoothly along a predetermined trajectory, avoiding collisions, scratches, and deformations during collection, thus guaranteeing the quality of waste collection from the source. Simultaneously, by setting up a leveling component consisting of a driving component and a striking plate, and in conjunction with an electronic control system, the edges of the waste can be tapped and tidied after falling, solving the problem of messy stacking of waste in the collection frame, improving stack flatness, and meeting the requirements of automated stamping production. Furthermore, the collection component, through the cooperation of guide rollers and the guiding component, can smoothly move into or out of the working position. Combined with the first lifting lug, this enables rapid and safe replacement of the collection component, greatly improving material replacement efficiency and shortening production line downtime. Attached Figure Description
[0025] Figure 1 This is a three-dimensional structural diagram of the automatic waste collection device for automobile sunroofs of the present invention from a first-view perspective.
[0026] Figure 2 This is a perspective view of the automatic waste collection device for automobile sunroofs of the present invention, taken from a second-view perspective.
[0027] Figure 3 This is a top view of the automatic collection device for automotive sunroof waste of the present invention;
[0028] Figure 4 This is a side view of the automatic collection device for automotive sunroof waste of the present invention;
[0029] Figure 5 This is a structural diagram of the automatic collection and removal assembly of the automotive sunroof waste collection device of the present invention;
[0030] Figure 6 This is a side view of the removal and collection component of the automatic collection device for automotive sunroof waste of the present invention;
[0031] Figure 7 This is a side view of the collection component in the automatic collection device for automotive sunroof waste of the present invention;
[0032] Figure 8 yes Figure 7 Enlarged view of the structure at point A in the middle.
[0033] The above-mentioned drawings include the following reference numerals: 11-base plate; 12-connecting column; 13-connecting frame; 14-support block; 21-positioning component; 211-connecting part; 212-guide part; 213-reinforcing part; 31-guide plate; 32-guide block; 41-placement seat; 42-L-shaped mounting block; 43-baffle; 44-guide roller; 51-driving component; 52-beating plate; 53-connecting plate; 54-first limiting block; 55-second limiting block; 71-first lifting lug seat; 711-first mounting seat; 712-first connector; 713-first locking block; 72-second lifting lug seat; 721-second mounting seat; 722-second connector; 723-second locking block; 81-fixing block; 82-positioning pin.
[0034] The following detailed description, in conjunction with the accompanying drawings, will further illustrate the present invention. Detailed Implementation
[0035] To facilitate understanding of the present invention, a more complete description will be given below with reference to the accompanying drawings. Several embodiments of the invention are illustrated in the drawings. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
[0036] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0038] Please see Figures 1 to 8 The image shows an automatic collection device for automotive sunroof waste according to the present invention. It includes a base plate 11, a support assembly, a positioning assembly, a guiding assembly, a leveling assembly, and a collection assembly for collecting trimming waste, all disposed on the base plate 11. The support assembly supports the placement of workpieces and includes multiple vertically arranged connecting columns 12 and a horizontally arranged connecting frame 13. The bottom ends of the connecting columns 12 are fixedly connected to the base plate 11, and the connecting frame 13 is disposed at the top of the multiple connecting columns 12. The connecting frame 13 is provided with multiple support blocks 13 for supporting the workpieces. In some embodiments, the support blocks 13 are made of engineering plastic to avoid scratching the workpiece surface.
[0039] The positioning component forms a material dropping positioning space for guiding trimming waste to fall along a predetermined trajectory. The positioning component includes multiple positioning elements 21 that enclose the material dropping positioning space. Each positioning element 21 includes a connecting part 211 connected to the base plate 11, a guide part 212 located at the top of the connecting part 211, and a reinforcing part 213 for connecting the connecting part 211 and the guide part 212. The guide part 212 has a guide slope at one end away from the connecting part 211, and the inclination angle of the guide slope relative to the horizontal plane is 30°-60°. More specifically, in this embodiment, the connecting part 211 is a U-shaped plate structure. The horizontal plate in the connecting part 211 is placed perpendicular to the bottom plate 11. One vertical plate in the connecting part 211 is fixedly connected to the top surface of the bottom plate 11 by bolts, and the other vertical plate is fixedly connected to the connecting frame 13 by bolts. The plates of the horizontal plates of multiple connecting parts 211 enclose a positioning space that matches the shape of the trimming waste. One end of the guide part 212 is fixedly connected to the vertical plate. The cross-section of the reinforcing part 213 is a right triangle. One right-angled side is connected to the top surface of the connecting part 211, and the other right-angled side is connected to the side surface of the guide part 212. The inclination angle of the guide slope on the guide part 212 is 45°.
[0040] The guide assembly guides the collecting assembly into or out of the material unloading positioning space. The guide assembly includes multiple guide plates 31 and multiple guide blocks 32 for contacting the guide rollers 44. The guide plates 31 are fixed to the side of the connecting post 12 adjacent to the positioning assembly. The top of the guide plate 31 has an inclined abutment surface with an inclination angle of 10°-20°. Some of the connecting posts 12 with guide plates 31 have guide blocks 32 at their top ends. The guide blocks 32 have inclined guide surfaces with an inclination angle of 30°-60°. As a specific example, in this embodiment, the inclination angle of the abutment surface is 15°, and the inclination angle of the guide surface is 45°.
[0041] The leveling component is positioned adjacent to the positioning component and is used to tap the edges of the trimming waste that falls into the collection component. Specifically, at least two leveling components are spaced apart on at least one side of the material dropping and positioning space in both the length and width directions. Each leveling component includes a driving member 51 and a tapping plate 52 driven by the driving member 51 to perform linear reciprocating motion. The driving member 51 is mounted on the connecting column 12 via a connecting plate 53. The tapping plate 52 is positioned perpendicular to the base plate 11, and its length extends along the height direction of the connecting column 12. A limiting structure is provided between the connecting plate 53 and the tapping plate 52 to limit the stroke of the tapping plate 52. The limiting structure includes a first limiting block. The first limiting block 54 is provided at each end of the striking plate 52 along its length, and the corresponding second limiting block 55 is provided on each side of the connecting plate 53. Both the first limiting block 54 and the second limiting block 55 are U-shaped block structures. The opening directions of the U-shaped grooves of the first limiting block 54 and the second limiting block 55 are opposite, and a vertical part of the first limiting block 54 is located in the groove of the second limiting block 55. The stroke of the striking plate 52 is limited by limiting the end of the first limiting block 54 through the U-shaped groove of the second limiting block 55. As a specific example, in this embodiment, the driving component 51 is a cylinder. The end and side of the cylinder are fixedly connected to the connecting column 12 through a connecting plate 53, and the telescopic rod of the cylinder is fixedly connected to the striking plate 52.
[0042] The collection assembly is used to receive trimming waste falling from the material dropping positioning space. The collection assembly includes a placement seat 41, multiple L-shaped mounting blocks 42 located at the corners of the placement seat 41, and a baffle 43 located on the L-shaped mounting blocks 42. Each end of the L-shaped mounting block 42 is provided with a guide roller 44. Specifically, the baffle 43 includes two vertically arranged connecting rods and multiple baffles connected to the two connecting rods. The top surfaces of the horizontal and vertical ends of the L-shaped mounting blocks 42 are respectively fixedly connected to the bottom end of a connecting rod. The multiple baffles are spaced apart along the height direction of the connecting rods, and the connection between the two connecting rods and the baffles forms a U-shaped structure.
[0043] Furthermore, the collection assembly also includes a plurality of first lifting lugs 71, which are fixed in the L-shaped space of the L-shaped mounting block 42. Each first lifting lug 71 includes a first mounting base 711, a first connector 712 detachably connected to the first mounting base 711, and a first locking block 713 for locking the first connector 712. Specifically, the first mounting base 711 is a U-shaped mounting base, which is fixed in the L-shaped space of the L-shaped mounting block 42. The first plug-in 712 includes a plug rod portion, a limiting plate portion provided at one end of the plug rod portion, and a pull ring portion connected to the limiting plate portion. The plug rod portion is detachably inserted into the through holes on the two vertical portions of the U-shaped mounting base. The limiting plate portion and the plug rod portion are provided with a strip-shaped notch extending axially along the plug rod portion on one side. The first locking block 713 is provided with a limiting protrusion adapted to the strip-shaped notch. During assembly, the strip-shaped notch is aligned with the limiting protrusion so that the plug rod portion of the first plug-in 712 can be smoothly inserted into the through hole on the first mounting base 711. Then, the entire first plug-in 712 is rotated so that the strip-shaped notch and the limiting protrusion are misaligned, thereby locking the first plug-in 712 on the first mounting base 711.
[0044] The automatic collection device for automotive sunroof waste of this application also includes a plurality of second lifting lugs 72. The second lifting lugs 72 are fixedly disposed at the corners of the base plate 11. Each second lifting lug 72 includes a second mounting base 721, a second plug-in member 722 detachably connected to the second mounting base 721, and a second locking block 723 for locking the second plug-in member 722. The second mounting base 721 is fixedly disposed on the top surface of the base plate 11. In this embodiment, the second mounting base 721 includes a connecting plate portion and two supporting lug portions spaced apart along the length of the connecting plate portion. The connecting plate portion is fixed to the top surface of the base plate 11. The two supporting lug portions have through holes adapted to the second plug-in member 722. In this embodiment, the structures of the second plug-in member 722 and the second locking block 723 are consistent with the structures of the first plug-in member 712 and the first locking block 713, respectively.
[0045] The automatic collection device for automotive sunroof waste of this application also includes an installation component for precisely positioning and installing the entire device on the working platform of the stamping equipment. The installation component includes multiple fixing blocks 8142 and positioning pins 82 provided in the fixing blocks 8142. The bottom surface of the base plate 11 is provided with an installation groove that is adapted to the fixing blocks 8142. The positioning pins 82 pass through the fixing blocks 8142 and the base plate 11 in sequence.
[0046] The automatic collection device for waste from the sunroof of the automobile in this application also includes an electronic control system (not shown in the figure), which is signal-connected to the drive unit 51 to control the timing of the action of the tapping plate 52.
[0047] In practical applications, the working principle of the automatic collection device for automotive sunroof waste of this application can be as follows:
[0048] First, the collecting component is placed at the bottom of the material dropping positioning space formed by the positioning component. Specifically, through the cooperation of the hoisting equipment and multiple first lifting lugs 71 on the placement base 41, the entire collecting component is moved to the top of the material dropping positioning space. Then, through the cooperation of multiple guide rollers 44 on the placement base 41 with the guide block 32 and the guide plate 31, the collecting component can accurately enter the material dropping positioning space along the surface of the guide plate 31. Next, through the cooperation of the hoisting equipment and multiple second lifting lugs 72 on the base plate 11, the second lifting lugs 72 are quickly moved to the top of the stamping equipment worktable. Through the cooperation of the positioning pin 82 with the preset positioning holes on the worktable, the entire device is accurately installed and fixed on the worktable.
[0049] The machine uses a robotic arm to grip the workpiece and place it on multiple support blocks 13 located on the connecting frame 13. The workpiece is stably placed by the contact between the support blocks 13 and the corresponding positions of the workpiece. Then, the stamping process is carried out. After the trimming waste is separated from the product part, the machine uses a robotic arm to grip the trimming waste and place it above the blanking positioning space. During the falling process, the trimming waste is guided by the guide slope of the positioning component 21 and the plate surface, and falls smoothly to the top of the placement seat 41. When the external position sensor detects that the trimming waste is placed on the placement seat 41, the electrical control system will control the drive component 51 to drive the tapping plate 52 to perform tapping work, ensuring that the trimming waste is stacked flat and meets the requirements of automated stamping production.
[0050] After the trimming waste is collected, the entire stamping equipment's worktable is moved away from the stamping station. Using a hoisting device in conjunction with multiple second lifting lugs 72, the entire collection device is lifted off the worktable and placed on the ground. The trimming waste is then packaged, and again, using the hoisting device in conjunction with multiple first lifting lugs 71, the collection assembly containing the trimming waste is lifted out of the material placement space and placed on a transport vehicle. A retaining bar prevents the trimming waste from being scratched or deformed by the hoisting wire rope during lifting. The transport vehicle transports the trimming waste to the location of other automated stamping production lines with smaller structural components. Upon arrival at the designated location, the trimming waste is lifted again using the hoisting device in conjunction with the second lifting lugs 72 onto the corresponding stamping equipment, completing the reuse of the trimming waste and maximizing its value. In summary, this device optimizes the entire process of waste collection, sorting, and transportation, maximizing the material grade of the trimming waste, enhancing its reuse value, and allowing it to be directly used in other stamping production lines. Simultaneously, it reduces labor costs and improves economic efficiency.
[0051] Compared to existing technologies, the advantages of the automatic collection device for automotive sunroof waste of the present invention are as follows: The placement space formed by the positioning component, combined with the precise guidance of the guiding component, ensures that the trimming waste falls smoothly along a predetermined trajectory, avoiding collisions, scratches, and deformations during collection, thus guaranteeing the quality of waste collection from the source. Simultaneously, by setting up a leveling component consisting of a driving component and a striking plate, and in conjunction with an electronic control system, the edges of the waste can be tapped and tidied after falling, solving the problem of messy stacking of waste in the collection frame, improving stack flatness, and meeting the requirements of automated stamping production. Furthermore, the collection component, through the cooperation of guide rollers and the guiding component, can smoothly move into or out of the working position. Combined with the first lifting lug, this enables rapid and safe replacement of the collection component, greatly improving material replacement efficiency and shortening production line downtime.
[0052] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0053] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of this application should be determined by the appended claims.
Claims
1. An automatic collection device for waste materials from automobile sunroofs, characterized in that, include: Base plate; A support assembly, disposed on the base plate, is used to support the placement of the workpiece; A positioning component is disposed on the base plate, and the positioning component forms a material dropping positioning space for guiding the trimming waste to fall along a predetermined trajectory; A collection component for receiving trimming waste falling from the material dropping positioning space; A guide component, disposed on the base plate, is used to guide the collecting component to move into or out of the material dropping positioning space below; A leveling component, disposed adjacent to the positioning component, is used to tap the edges of trimming waste that falls into the collection component; The support assembly includes multiple vertically arranged connecting columns and a horizontally arranged connecting frame. The bottom end of the connecting columns is fixedly connected to the base plate, and the connecting frame is located at the top of the multiple connecting columns. The connecting frame is provided with multiple support blocks for supporting the workpiece. The positioning component includes multiple positioning elements that surround and form the material dropping positioning space; The positioning component includes a connecting part connected to the base plate and a guide part located at the top of the connecting part. The guide part has a guide slope at one end away from the connecting part, and the guide slope has an inclination angle of 30°-60° relative to the horizontal plane. At least two leveling components are provided at intervals on at least one side of the material unloading positioning space in the length and width directions. Each leveling component includes a driving member and a striking plate driven by the driving member to perform linear reciprocating motion. The driving member is mounted on the connecting column through a connecting plate. A limiting structure for limiting the stroke of the striking plate is provided between the connecting plate and the striking plate. The collection assembly includes a placement base, a plurality of L-shaped mounting blocks located at the corners of the placement base, and a baffle mounted on the L-shaped mounting blocks. Each of the two ends of the L-shaped mounting blocks is provided with a guide roller. The guide assembly includes a plurality of guide plates and a plurality of guide blocks for contacting the guide roller. The guide plates are fixed to the side of the connecting column adjacent to the positioning assembly. The top of the guide plate is provided with an inclined abutment surface, the inclination angle of which is 10°-20°. The top of the connecting column with the guide plate is provided with the guide block, and the guide block is provided with an inclined guide surface with an inclination angle of 30°-60°.
2. The automatic waste collection device for automobile sunroofs according to claim 1, characterized in that, The collection assembly also includes a plurality of first lifting lugs, which are fixedly disposed within the L-shaped space of the L-shaped mounting block. Each first lifting lug includes a first mounting base, a first connector detachably connected to the first mounting base, and a first limiting block for locking the first connector.
3. The automatic collection device for waste from automobile sunroofs according to claim 1, characterized in that, It also includes multiple second lifting lugs, which are fixed at the corners of the base plate. Each second lifting lug includes a second mounting base, a second connector detachably connected to the second mounting base, and a second limiting block for locking the second connector. The second mounting base is fixedly disposed on the top surface of the base plate.
4. The automatic collection device for automotive sunroof waste according to claim 1, characterized in that, It also includes an installation component for precisely positioning and installing the entire device on the working platform of the stamping equipment. The installation component includes multiple mounting blocks and positioning pins disposed within the mounting blocks. The bottom surface of the base plate is provided with a mounting groove adapted to the mounting blocks. The positioning pins pass through the mounting blocks and the base plate in sequence.
5. The automatic collection device for waste from automobile sunroofs according to claim 1, characterized in that, It also includes an electronic control system, which is signal-connected to the drive unit.
Citation Information
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