A shoe upper roughening device and method

Abstract

The application discloses a vamp roughening device and a roughening method, the device comprises a roughening box, a conveying device is mounted above the inside of the roughening box, a shoe last is used to mount a vamp on the conveying device, a four-side polishing unit, a bottom polishing unit and a blowing device are sequentially mounted below the conveying device in the conveying direction; the vamp is roughened continuously, the roughening is completed by using the polishing mode of separating the four sides and the bottom, the rotating polishing wheel or polishing roller is moved to the designated position to work through the automatic conveying and driving mechanism, and the efficiency and automation of the whole roughening procedure are improved.

Description

Technical Field

[0001] This invention relates to the field of shoe processing, specifically to a shoe upper roughening device and roughening method. Background Technology

[0002] In footwear manufacturing, the bonding process between the upper and the outsole is one of the key factors determining the quality of the finished shoe. To ensure bonding strength, the upper typically requires pretreatment, mainly including surface sanding and applying a treatment agent (or adhesive). The effectiveness of this pretreatment process directly affects the bond strength between the upper and the outsole, thus impacting the shoe's durability and performance.

[0003] In existing technologies, the traditional process for pre-treating shoe uppers typically involves conveying the uppers to different workstations via conveyor belts, where operators at each station perform the sanding operations. Specifically, operators manually hold the uppers and use sanding tools to treat the bonded areas to enhance surface roughness. However, this traditional method suffers from low automation, limited production efficiency, insufficient quality stability, high labor costs and intensity, and difficulty in standardizing the process. Summary of the Invention

[0004] Therefore, in order to overcome the above-mentioned shortcomings, the present invention provides a shoe upper roughening device and roughening method, which realizes continuous roughening of shoe uppers, completes roughening by separately grinding the four sides and the bottom, and moves the rotating grinding wheel or grinding roller to the designated position through an automatic conveying and driving mechanism, thereby improving the efficiency and automation of the entire roughening process.

[0005] A shoe upper roughening device includes a roughening box, a conveying device installed above the interior of the roughening box, and a shoe upper mounted on the conveying device via a shoe last. Below the conveying device, in sequence along the conveying direction, are a perimeter sanding unit, a bottom sanding unit, and a blowing device. The four-sided polishing unit includes a first motor with four-sided polishing wheels and a three-axis drive mechanism that drives the first motor to move in multiple directions. The rotating four-sided polishing wheels polish the processing area of ​​the shoe upper under the drive of the three-axis drive mechanism. The bottom polishing unit includes a second motor equipped with a polishing roller, and a two-axis drive mechanism that drives the second motor to move up and down and horizontally. The rotating polishing roller polishes the processing area of ​​the shoe upper under the drive of the two-axis drive mechanism. The blowing device includes an air nozzle and a negative pressure slag discharge port installed in a closed space. The air nozzle blows the polished shoe upper processing area to a designated position, and the blown debris is discharged through the negative pressure slag discharge port.

[0006] Optionally, the three-axis drive mechanism includes an X-axis slide screw, a Y-axis slide screw, and a Z-axis slide screw. The Z-axis slide screw is mounted on the slider of the Y-axis slide screw via a rotating component. The Y-axis slide screw is mounted on the slider of the X-axis slide screw and is equipped with an X-axis slide rail parallel to the X-axis slide screw. The first motor is fixedly mounted on the slider of the Z-axis slide screw.

[0007] Optionally, the rotating component includes a Z-axis mounting bracket, a rotating motor, and a rotating table. The Z-axis mounting bracket is fixedly mounted on the slider of the Y-axis slide screw. The rotating motor is fixedly mounted on the Z-axis mounting bracket. The rotating shaft of the rotating motor is connected to the rotating table. The rotating table is rotatably connected to the Z-axis mounting bracket. The rotating table is fixedly connected to the Z-axis slide screw through a Z-axis connecting plate.

[0008] Optionally, the two-axis drive mechanism includes two parallel frames, one frame is equipped with an X-axis slide rail, and the other frame is equipped with an X-axis slide screw. A Z-axis slide screw is mounted on the slider of the X-axis slide screw, and a Z-axis slide rail is mounted on the slider of the X-axis slide rail. The second motor is fixedly mounted on the slider of the Z-axis slide screw, and the end of the grinding roller away from the second motor is rotatably mounted on the slider of the Z-axis slide rail.

[0009] Optionally, the purging device includes a housing with at least two diagonally arranged air nozzles connected to an air source. The air nozzles are connected to an external air source via flexible hoses. The housing is connected to a lifting drive mechanism. The negative pressure slag discharge port is located at the bottom or lower part of the side of the box.

[0010] Optionally, the enclosure is provided with a cover, which has a mating interface, and two symmetrically arranged mounting posts are provided below the cover, to which the hose is installed.

[0011] Optionally, the two mounting posts are located at two opposite corners of the housing, and each mounting post is equipped with two hoses with air nozzles and air valves.

[0012] Optionally, the lifting drive mechanism includes two Z-axis slide screws fixed to the base surface and arranged opposite each other, and the sliders of the two oppositely arranged Z-axis slide screws are connected to the housing through an intermediate connecting plate.

[0013] Optionally, the conveying device includes a conveying component, the conveying component is provided with a box connecting plate, the upper part of the shoe last is provided with a connecting box, the connecting box is provided with a hanging plate, and the hanging plate is connected to the box connecting plate by a locking mechanism.

[0014] On the other hand, the present invention also provides a method for roughening shoe uppers, which is implemented by the aforementioned shoe upper roughening device, the method comprising: The shoe upper is installed on the conveying component through the shoe last, and the conveying component sequentially conveys the shoe upper to the surrounding sanding unit, the bottom sanding unit and the blowing device; When the shoe upper is conveyed to the perimeter polishing unit, the rotating perimeter polishing wheels polish the perimeter of the processing area of ​​the shoe upper under the drive of the three-axis drive mechanism. When the shoe upper is conveyed to the bottom grinding unit, the rotating grinding roller moves back and forth in a straight line under the drive of the two-axis drive mechanism to grind the bottom of the processing area of ​​the shoe upper. When the shoe upper is conveyed to the blowing device, the box body, driven by the lifting drive mechanism, moves the air nozzle to the designated position to blow the polished shoe upper processing area. The blown-off debris enters the external receiving and collecting device through the negative pressure discharge port under the action of negative pressure.

[0015] The present invention has the following advantages: This invention relates to a shoe upper roughening device and method, enabling continuous roughening of shoe uppers. It utilizes separate grinding of the perimeter and sole to complete the roughening process, and an automatic conveying and driving mechanism moves the rotating grinding wheel or roller to a designated position, improving the efficiency and automation of the entire roughening process. During use, the perimeter and sole grinding operate within a roughing chamber, reducing the impact of grinding debris on other equipment in the workshop and minimizing environmental pollution. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the shoe upper roughening device described in this invention; Figure 2 This is a schematic diagram of the structure of the surrounding polishing unit; Figure 3 This is a schematic diagram of the surrounding polishing unit from another perspective; Figure 4 This is a schematic diagram of the structure of the rotating component; Figure 5 This is a schematic diagram of the rotating component from another perspective; Figure 6 This is a schematic diagram of the bottom polishing unit. Figure 7 This is a schematic diagram of the bottom polishing unit from another perspective; Figure 8 This is a schematic diagram of the purging device; Figure 9 This is a schematic diagram of the air nozzle installation structure inside the purging device (viewed from below). Figure 10This is a schematic diagram (top view) of the air nozzle installation structure inside the purging device. Figure 11 This is a three-dimensional structural schematic diagram of the lifting drive mechanism; Figure 12 This is a three-dimensional structural diagram of the lifting mechanism from another perspective; Figure 13 This is a schematic diagram of the structure of the conveying device; Figure 14 This is a structural schematic diagram of the connecting box; Figure 15 This is a diagram illustrating the installation of the shoe last and the upper. Figure 16 This is a schematic diagram showing the combination of the clamp and the box connecting plate; Figure 17 yes Figure 16 A partial schematic diagram of A in the middle; Figure 18 This is a schematic diagram of the engagement mechanism; Figure 19 This is a three-dimensional structural schematic diagram of the clamp baffle. In the diagram: 100, perimeter grinding unit; 110, X-axis slide screw; 120, Y-axis slide screw; 130, Z-axis slide screw; 140, X-axis slide rail; 150, grinding wheel; 160, first motor; 170, rotating component; 171, Z-axis mounting bracket; 172, rotary motor; 173, rotating table; 174, Z-axis connecting plate; 200, bottom grinding unit; 210, grinding roller; 220, second motor; 230, Z-axis slide rail; 240, frame; 300. Blowing device; 310. Box body; 311. Negative pressure slag discharge port; 320. Intermediate connecting plate; 321. Limit switch; 330. Box cover; 331. Mounting column; 340. Air nozzle; 341. Hose; 342. Air valve; 400. Roughing box; 500. Shoe last; 501. Shoe upper; 502. Processing area; 510. Connecting box; 511. First suspension plate; 5111. Locking tenon; 512. Second suspension plate; 600. Conveying device; 610. Box body connecting plate; 700. Locking mechanism; 710. Clamping block; 720. Clamping block mounting bracket; 721. Rotary motor; 722. Guide column; 723. Locking groove; 724. Expanding plate; 725. Thrust spring; 726. Rotating guide column; 727. Rotating guide groove; 730. Rotary motor mounting plate. Detailed Implementation

[0017] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0018] In this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0019] As described in the background section, in existing technologies, the traditional process for pre-treating shoe uppers typically involves conveying the uppers to different workstations via conveyor belts, where operators at each workstation perform the sanding operation. Specifically, operators manually hold the uppers and use sanding tools to treat the bonded areas to enhance surface roughness. However, this traditional method suffers from low automation, limited production efficiency, insufficient quality stability, high labor costs and intensity, and difficulty in standardizing the process.

[0020] To address the aforementioned problems, this embodiment provides a shoe upper roughening device, such as... Figures 1-15 As shown, the device includes a roughing box 400, a conveying device 600 installed above the interior of the roughing box, and the shoe upper is installed on the conveying device via a shoe last. Below the conveying device, in the direction of conveying, a perimeter sanding unit 100, a bottom sanding unit 200, and a blowing device 300 are installed sequentially. The four-sided polishing unit 100 includes a first motor 160 with four-sided polishing wheels 150 and a three-axis drive mechanism that drives the first motor to move in multiple directions. The rotating four-sided polishing wheels polish the processing area of ​​the shoe upper under the drive of the three-axis drive mechanism. Optionally, when the top of the four-sided polishing wheels has a polishing surface, the bottom of the processing area can also be polished. In this case, a bottom polishing unit can be set up to polish the four sides and bottom of the processing area.

[0021] The bottom polishing unit 200 includes a second motor 220 with a polishing roller 210 installed, and a two-axis drive mechanism that drives the second motor 220 to move up and down and horizontally. The rotating polishing roller polishes the processing area of ​​the shoe upper under the drive of the two-axis drive mechanism. like Figure 15 As shown, the upper 501 is installed on the shoe last 500, wherein the processing area of ​​the upper is 502.

[0022] The blowing device 300 includes an air nozzle 340 and a negative pressure slag discharge port 311 installed in a closed space. The air nozzle blows the polished shoe upper processing area to a designated position, and the blown debris is discharged through the negative pressure slag discharge port.

[0023] The aforementioned technical features enable continuous roughening of the shoe upper, utilizing separate grinding of the perimeter and sole. An automatic conveying and driving mechanism moves the rotating grinding wheel or roller to a designated position, improving the efficiency and automation of the entire roughening process. During operation, the perimeter and sole grinding occur within a roughing chamber, minimizing the impact of grinding debris on other equipment in the workshop. The roughening device installs the shoe upper onto a conveying component via a shoe last, which then sequentially transports the upper to the perimeter grinding unit, the sole grinding unit, and the blowing device. When the upper reaches the perimeter grinding unit, the rotating perimeter grinding wheel 150, driven by a three-axis drive mechanism, grinds the perimeter of the upper's processing area. When the upper reaches the sole grinding unit, the rotating grinding roller 210, driven by a two-axis drive mechanism, reciprocates linearly to grind the sole of the upper's processing area. When the shoe upper is conveyed to the blowing device, the box body, driven by the lifting drive mechanism, moves the air nozzle to the designated position to blow the polished shoe upper processing area. The blown-off debris enters the external receiving and collecting device through the negative pressure discharge port under the action of negative pressure.

[0024] For example, the surrounding polishing wheels and polishing rollers are all rotating brush rollers, which are brush rollers made of metal wire or other harder materials, or even soft wire rollers with a wear-resistant rough surface at the wire tip. The purpose is to use materials such as metal wire, which are harder than the shoe upper, to polish the shoe upper and sole. The reason for using brush rollers is that the wires of the brush rollers have a certain degree of flexibility and are not very rigid, so they can polish places such as crevices.

[0025] To enable multi-directional movement of the grinding wheels around the perimeter, in one embodiment, the three-axis drive mechanism includes an X-axis slide screw 110, a Y-axis slide screw 120, and a Z-axis slide screw 130 (the X-axis, Y-axis, and Z-axis slide screws are all existing slide screws, or other existing transmission mechanisms capable of linear transmission and used in this application; to reduce the impact of grinding debris on the slide screws, slide screws with better sealing are selected). The X-axis slide screw is fixedly mounted on the base surface along the X-axis direction, where the X-axis is the length direction of the shoe last or the conveying direction of the shoe upper on the production line; the Z-axis is longitudinal; and the Y-axis is perpendicular to the XZ plane (e.g., ...). Figure 1As shown in the coordinate system (as shown in the figure), the X-axis slide screw described in this application is represented as a slide screw along the coordinate system shown in the figure. Figure 1 The slide screw is arranged along the X-axis, and the slide screw along the Y-axis is represented as follows. Figure 1 The Y-axis slide screw is arranged in the middle, and the Z-axis slide screw is represented as follows: Figure 1 A Z-axis slide screw is arranged in the middle. The Z-axis slide screw 130 is mounted on the slider of the Y-axis slide screw 120 via a rotating component 170. The Y-axis slide screw 120 is mounted on the slider of the X-axis slide screw 110 and is equipped with an X-axis slide rail 140 parallel to the X-axis slide screw. The first motor is fixedly mounted on the slider of the Z-axis slide screw.

[0026] Furthermore, such as Figure 3 and Figure 4 As shown, the rotating component 170 includes a Z-axis mounting bracket 171, a rotating motor 172, and a rotating table 173. The Z-axis mounting bracket 171 is fixedly mounted on the slider of the Y-axis slide screw 120. The rotating motor 172 is fixedly mounted on the Z-axis mounting bracket 171. The rotating shaft of the rotating motor 172 is connected to the rotating table 173. The rotating table 173 is rotatably connected to the Z-axis mounting bracket 171. The rotating table 173 and the Z-axis slide screw are fixedly connected through a Z-axis connecting plate 174.

[0027] When the three-axis drive mechanism is in use, the first motor 160 drives the grinding wheel 150 to rotate. Under the combined action of the X-axis slide screw 110, the Y-axis slide screw 120 and the Z-axis slide screw 130, the grinding wheel 150 completes multi-directional position changes. The position of the first motor can be finely adjusted by the rotating component 170 to better adapt to the rotation of the grinding wheel around the shoe upper processing area.

[0028] To enable the grinding roller to move vertically and horizontally, in one embodiment, exemplarily, such as... Figure 3 As shown, the dual-axis drive mechanism includes two frames 240 arranged along the X-axis. One frame is equipped with an X-axis slide rail 140, and the other frame is equipped with an X-axis slide screw 110. A Z-axis slide screw 130 is mounted on the slider of the X-axis slide screw 110, and a Z-axis slide rail 230 is mounted on the slider of the X-axis slide rail 140. The second motor 220 is fixedly mounted on the slider of the Z-axis slide screw 130, and the end of the grinding roller 210 away from the second motor is rotatably mounted on the slider of the Z-axis slide rail 230.

[0029] When in use, the dual-axis drive mechanism drives the rotating grinding roller 210 to move in the X-axis and Z-axis directions via the X-axis slide screw 110 and the Z-axis slide screw 130, and ensures that the movement of the grinding roller is smooth via the Z-axis slide rail and the X-axis slide rail.

[0030] Since debris remains in the processing area after grinding, it is blown away using a blowing device. To improve the blowing effect, in one embodiment, such as... Figures 8-10 As shown, the blowing device 300 includes a housing 310, with at least two diagonally arranged air nozzles (preferably four air nozzles, with two air nozzles at each corner) inside the housing. The air nozzles 340 are connected to an air source via flexible hoses 341. The housing 310 is connected to a lifting drive mechanism. For example, the housing has a cover 330 with an interface. Two symmetrically arranged mounting posts 331 are located below the cover 330, and the hoses are mounted on these posts. Optionally, air valves 342 can be installed on the hoses 341. In use, the blowing device, driven by the lifting drive mechanism, moves the air nozzles to a designated position to blow clean the sanded shoe upper processing area. During this process, the shoe upper processing area enters the housing through the interface in the housing until the sealing strip contacts the clamp box. The lifting drive mechanism then stops moving, and the sealing strip seals the edge of the interface, reducing the leakage of debris during sanding and minimizing environmental impact. The chamber has a negative pressure slag discharge port 311 (which can be located at the bottom or lower side of the chamber). The blown-down debris enters an external receiving and collecting device through this port under negative pressure. This port is connected to the external collecting device via a flexible hose. The negative pressure exerted on the chamber is higher than the pressure generated during air blowing, facilitating better debris discharge through the port. The chamber allows the purging process to be performed independently within the grinding chamber, thus preventing debris in the grinding chamber from affecting the purging process.

[0031] For example, in order to move the air nozzle to a designated position for blowing, such as Figure 10 and Figure 11 As shown, the lifting drive mechanism includes two Z-axis slide screws 130 fixed to the base surface and arranged opposite to each other. The sliders of the two oppositely arranged Z-axis slide screws are connected to the housing through an intermediate connecting plate 320, and the Z-axis slide screws drive the housing to move along the Z-axis. A limit switch 321 for contacting the intermediate connecting plate is provided on the Z-axis slide screw.

[0032] In order to enable the shoe last to be transported by the conveying device, in one embodiment, the conveying device 600 includes a conveying component (exemplarily, the conveying component may be a chain conveying device), the conveying component is provided with a box connecting plate 610, the upper part of the shoe last is provided with a connecting box 510, the connecting box is provided with a hanging plate, and, exemplary, the upper end of the connecting box is provided with an L-shaped first hanging plate 511 and a second hanging plate 512 arranged in the same direction.

[0033] To reduce the risk of the first suspension plate 511 and the second suspension plate 512 detaching from the housing connecting plate when the clamp is accidentally bumped, in one embodiment, as follows: Figures 16-19 As shown, a locking mechanism 700 is installed on the housing connecting plate 610. This locking mechanism 700 includes a rotary motor 721, a reaming plate 724, a clamping block mounting bracket 720, two opposing clamping blocks 710, and a rotary motor mounting plate 730. The clamping block mounting bracket 720 is fixedly installed above the housing connecting plate 610. The two opposing clamping blocks 710 are slidably installed on the clamping block mounting bracket 720. A thrust spring 725 is provided between the back of each clamping block 710 and the clamping block mounting bracket 720, forming a locking area with a variable spacing between the two clamping blocks. The two thrust springs push the clamping blocks closer together. The reaming plate is located in this locking area and connected to the rotating shaft of the rotary motor. The rotary motor is mounted on the rotary motor mounting plate 730, which is fixedly installed on the clamping block mounting bracket 720 by pads. Above, the rotating shaft of the rotary motor drives the expansion plate to rotate. The expansion plate is a diamond-shaped plate or a cam. When the long side protrusion contacts and rotates with the clamping block, it pushes the two clamping blocks to separate. When the separation distance is greater than the maximum width of the first suspension plate, the first suspension plate is in the unlocked state. When the expansion plate rotates in the opposite direction, the first suspension plate is clamped in the engagement area. At this time, the engagement tenon 5111 opened on the first suspension plate is inserted into the engagement groove 723 on the inner side of the clamping block to lock the first suspension plate. In order to ensure the smooth movement of the two clamping blocks, a guide post 722 that cooperates with the clamping block is also provided. Optionally, the guide post 722 can be connected to the clamping block mounting frame at both ends and pass through the two clamping blocks. The rotary motor 721 has a rotating guide post 726, and a rotating guide groove 727 matching the rotating guide post is opened on the rotary motor mounting plate 730.

[0034] In another embodiment, a method for roughening shoe uppers is provided, implemented using the aforementioned shoe upper roughening device, the method comprising: The shoe upper is installed on the conveying component through the shoe last, and the conveying component sequentially conveys the shoe upper to the surrounding sanding unit, the bottom sanding unit and the blowing device; When the shoe upper is conveyed to the surrounding polishing unit, the rotating surrounding polishing wheel 150 polishes the surrounding area of ​​the shoe upper under the drive of the three-axis drive mechanism; the specific movement of the surrounding polishing wheel driven by the three-axis drive mechanism is as described above.

[0035] When the shoe upper is conveyed to the bottom grinding unit, the rotating grinding roller 210 moves back and forth in a straight line under the drive of the two-axis drive mechanism to perform bottom grinding on the processing area of ​​the shoe upper; the specific movement of the grinding roller driven by the two-axis drive mechanism is as described above.

[0036] When the shoe upper is conveyed to the blowing device, the box body, driven by the lifting drive mechanism, moves the air nozzle to the designated position to blow the polished shoe upper processing area. The blown-off debris enters the external receiving and collecting device through the negative pressure discharge port under the action of negative pressure.

[0037] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A shoe upper roughening device, characterized in that: The system includes a roughing box, with a conveyor installed above the interior of the roughing box. The shoe upper is mounted on the conveyor via a shoe last. Below the conveyor, along the conveying direction, are sequentially installed a four-sided grinding unit and a blowing device. The four-sided polishing unit includes a first motor with four-sided polishing wheels and a three-axis drive mechanism that drives the first motor to move in multiple directions. The rotating four-sided polishing wheels polish the processing area of ​​the shoe upper around the four sides or the bottom under the drive of the three-axis drive mechanism. The blowing device includes an air nozzle and a negative pressure slag discharge port installed in a closed space. The air nozzle blows the polished shoe upper processing area to a designated position, and the blown debris is discharged through the negative pressure slag discharge port. The conveying device includes a conveying component, the conveying component is provided with a box connecting plate, the upper part of the shoe last is provided with a connecting box, the connecting box is provided with a hanging plate, and the hanging plate is connected to the box connecting plate by a locking mechanism; The upper end of the connecting box is provided with a first suspension plate and a second suspension plate arranged in the same direction. The engaging mechanism includes a rotary motor, an expanding plate, a clamping block mounting bracket, two opposing clamping blocks, and a rotary motor mounting plate. The clamping block mounting bracket is fixedly mounted above the housing connecting plate. The two opposing clamping blocks are slidably mounted on the clamping block mounting bracket. A thrust spring is provided on the back of each clamping block. An engaging area with a variable spacing is formed between the two clamping blocks. The expanding plate is located in this engaging area and connected to the rotating shaft of the rotary motor. The rotary motor is mounted on the rotary motor mounting plate, which is mounted above the clamping block mounting bracket. The rotation of the rotating shaft of the rotary motor drives the expanding plate to rotate, pushing the two clamping blocks apart. Each clamping block is provided with an engaging groove, and the first suspension plate is provided with an engaging tenon, which is inserted into the engaging groove.

2. The shoe upper roughening device according to claim 1, characterized in that: It also includes a bottom polishing unit, which includes a second motor with a polishing roller and a two-axis drive mechanism that drives the second motor to move up and down and horizontally. The rotating polishing roller polishes the processing area of ​​the shoe upper under the drive of the two-axis drive mechanism.

3. The shoe upper roughening device according to claim 1, characterized in that: The three-axis drive mechanism includes an X-axis slide screw, a Y-axis slide screw, and a Z-axis slide screw. The Z-axis slide screw is mounted on the slider of the Y-axis slide screw via a rotating component. The Y-axis slide screw is mounted on the slider of the X-axis slide screw and is equipped with an X-axis slide rail parallel to the X-axis slide screw. The first motor is fixedly mounted on the slider of the Z-axis slide screw.

4. The shoe upper roughening device according to claim 2, characterized in that: The rotating component includes a Z-axis mounting bracket, a rotating motor, and a rotating table. The Z-axis mounting bracket is fixedly mounted on the slider of the Y-axis slide screw. The rotating motor is fixedly mounted on the Z-axis mounting bracket. The rotating shaft of the rotating motor is connected to the rotating table. The rotating table and the Z-axis mounting bracket are rotatably connected. The rotating table and the Z-axis slide screw are fixedly connected through a Z-axis connecting plate.

5. The shoe upper roughening device according to claim 2, characterized in that: The dual-axis drive mechanism includes two parallel frames, one frame is equipped with an X-axis slide rail, and the other frame is equipped with an X-axis slide screw. A Z-axis slide screw is mounted on the slider of the X-axis slide screw, and a Z-axis slide rail is mounted on the slider of the X-axis slide rail. A second motor is fixedly mounted on the slider of the Z-axis slide screw, and the end of the grinding roller away from the second motor is rotatably mounted on the slider of the Z-axis slide rail.

6. The shoe upper roughening device according to claim 1, characterized in that: The purging device includes a housing with at least two diagonally arranged air nozzles connected to an air source. The air nozzles are connected to an external air source via flexible hoses. The housing is connected to a lifting drive mechanism. The negative pressure slag discharge port is located at the bottom or lower part of the side of the box.

7. The shoe upper roughening device according to claim 6, characterized in that: The enclosure is equipped with a cover, which has a mating interface. Two symmetrically arranged mounting posts are provided below the cover, and the flexible hose is installed on the mounting posts. The two mounting posts are located at two opposite corners of the housing, and each mounting post is equipped with two hoses with air nozzles and air valves.

8. The shoe upper roughening device according to claim 6, characterized in that: The lifting drive mechanism includes two Z-axis slide screws fixed to the base surface and arranged opposite each other. The sliders of the two Z-axis slide screws are connected to the housing through an intermediate connecting plate.

9. A method for roughening shoe uppers, characterized in that: This is achieved using a shoe upper roughening device as described in any one of claims 1-8, the method comprising: The shoe upper is installed on the conveying component through the shoe last, and the conveying component sequentially conveys the shoe upper to the surrounding sanding unit, the bottom sanding unit and the blowing device; When the shoe upper is conveyed to the perimeter polishing unit, the rotating perimeter polishing wheels polish the perimeter of the processing area of ​​the shoe upper under the drive of the three-axis drive mechanism. When the shoe upper is conveyed to the bottom grinding unit, the rotating grinding roller moves back and forth in a straight line under the drive of the two-axis drive mechanism to grind the bottom of the processing area of ​​the shoe upper. When the shoe upper is conveyed to the blowing device, the box body, driven by the lifting drive mechanism, moves the air nozzle to the designated position to blow the polished shoe upper processing area. The blown-off debris enters the external receiving and collecting device through the negative pressure discharge port under the action of negative pressure.

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