Fabric grinding and thinning device for shoe processing

By using rotating rollers and flattening rollers of the flattening component in the fabric thinning device, differential rotation and adjustment of the feeding gap solve the problem of uneven thickness caused by fabric wrinkles, achieving uniform fabric thinning and cost reduction.

CN224106145UActive Publication Date: 2026-04-10DUOYIYI (SICHUAN) SPORTS GOODS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DUOYIYI (SICHUAN) SPORTS GOODS CO LTD
Filing Date
2025-05-07
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

During the fabric thinning process, when the front end of the fabric enters the thinning machine and is fed in by itself, it can easily cause the folds of the fabric behind it to not be spread out in time, resulting in uneven fabric thickness, increasing waste and production costs.

Method used

The fabric is rolled out using a flattening assembly, which includes a rotating roller and a flattening roller. The feeding gap is adjusted by differential rotation and lifting to ensure that the fabric is fully rolled out before being fed into the thinner, and then uniformly thinned in combination with the blade assembly.

Benefits of technology

It improves the uniformity of the fabric after thinning, reduces waste, and lowers production costs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224106145U_ABST
    Figure CN224106145U_ABST
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Abstract

The utility model provides a fabric grinding and thinning device for shoe processing, and belongs to the technical field of shoemaking processing. Comprising a rotating roller set and two rolling roller sets, the two rolling roller sets are located on the two sides of the rotating roller set respectively, and the rolling roller sets are located on the two sides of the rotating roller set respectively. The rolling roller comprises rolling blades which are arranged on the outer wall in a spiral protruding mode, and the rotating direction of the transmission roller / rolling roller on the installation support is opposite to that of the rotating roller / rolling roller on the machine frame of the thinning machine. When the fabric is fed into the grinding and thinning device, the fabric passes through the feeding gap between the rolling roller and the rotating roller, convex wrinkles on the fabric can be spread towards two sides by utilizing differential rotation of the rolling roller and the rotating roller which are positioned above the fabric, so that the fabric fed into the traction assembly and the blade assembly for processing is ensured to be smooth, and the processing efficiency is improved. The device has the effect of ensuring that the fabric is uniformly thinned.
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Description

TECHNICAL FIELD

[0001] The utility model relates to shoemaking technology field especially relates to a fabric grinding and thinning device for shoe processing. BACKGROUND

[0002] Leather and artificial leather are common fabrics in shoemaking process, which have excellent pattern texture, touch and wear resistance, and are used in leather shoes, casual shoes, sandals and sports shoes. When processing shoes with these fabrics, the fabric needs to be thinned to the appropriate thickness according to the process requirements.

[0003] The patent with publication number CN216107013U discloses a leather thinning machine, which includes a blade assembly, an upper roller and a lower roller located on the rack, a feeding gap for clamping leather between the upper roller and the lower roller, and the upper roller and the lower roller are rotatably arranged to convey the leather in the feeding gap to the position of the blade assembly. The blade assembly reciprocates along its axial direction and thins the leather. The vertical height of the feeding gap is adjustably arranged to adjust the cutting thickness of the leather.

[0004] However, when the fabric is fed into the thinning machine, the front end of the fabric will drive the fabric to feed forward automatically once it enters the thinning machine. If the wrinkles in the rear fabric are not opened in time, the leather will be forced to feed forward between the upper roller and the lower roller. After the fabric is thinned by the blade, the thickness of the fabric at the wrinkle part is not uniform, resulting in waste and increasing production cost. UTILITY MODEL CONTENT

[0005] In view of the above problems, the utility model provides a fabric grinding and thinning device for shoe processing.

[0006] In order to achieve the above invention purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of fabric grinding thinning device for shoe processing, including thinning machine rack, for conveying fabric, the conveying table top is provided on thinning machine rack, conveying table top is provided with traction assembly and blade assembly, further including flatten assembly, thinning machine rack is provided with paving panel on the side of conveying table top feed end, the top of paving panel is provided with mounting bracket, flatten assembly includes a group of rotating roller group and two groups of flatten roller group, two groups of flatten roller group are located at the two sides of rotating roller group respectively, rotating roller group includes two rotating rollers, it is respectively rotationally arranged on paving panel and mounting bracket, each group of flatten roller group includes two flatten rollers, it is respectively rotationally arranged on paving panel and mounting bracket, the feeding gap for fabric is provided between each group of rotating roller group and flatten roller group, flatten roller includes the flatten blade that is spirally projected on outer wall, the spiral direction of flatten blade on the flatten roller of rotating roller two sides is opposite, the first drive assembly for driving rotating roller and flatten roller on thinning machine rack is provided on thinning machine rack, the second drive assembly for driving rotating roller and flatten roller on mounting bracket is provided on mounting bracket, the rotating direction of rotating roller and flatten roller on mounting bracket is opposite with the rotating direction of rotating roller and flatten roller on thinning machine rack.

[0008] Further, the first drive assembly includes a first drive motor and a first transmission shaft, the first transmission shaft is rotationally arranged on the paving panel, the first drive motor is used to drive the first transmission shaft to rotate, the rotating roller and the flatten roller on the paving panel are coaxially fixedly connected, and the first transmission shaft is in transmission connection with the rotating roller and the flatten roller on the paving panel.

[0009] Further, the second drive assembly includes a second drive motor and a second transmission shaft, the second transmission shaft is rotationally arranged on the mounting bracket, the second drive motor is used to drive the second transmission shaft to rotate, one end of the rotating roller on the mounting bracket is coaxially fixedly provided with a first driven gear, one end of the flatten roller on the mounting bracket is coaxially fixedly provided with a second driven gear, the second transmission shaft is fixedly provided with a first driving gear and a second driving gear, and the first driving gear and the second driving gear are in meshing transmission with the first driven gear and the second driven gear, respectively.

[0010] Further, the outer diameter of the flatten blade is smaller than the outer diameter of the rotating roller.

[0011] Further, the flatten blade is made of silica gel.

[0012] Further, the flatten blade is uniformly and spacedly provided with a plurality of pieces along the circumference of the flatten roller, and the flatten blade is provided with a plurality of rows along the axial direction of the flatten roller.

[0013] Further, the mounting bracket includes a support column and a lifting seat, the lifting seat is vertically slidably connected to the support column, the rotating roller and the flatten roller are rotationally arranged on the lifting seat, and the support column is provided with a third drive assembly for vertically lifting the lifting seat.

[0014] Further, the third driving assembly comprises a driving screw and a third driving motor, the driving screw is vertically and rotatably arranged on one side of the support column, the driving screw passes through the lifting seat and is threadedly connected with the lifting seat, and the third driving motor is arranged on the support column and used for driving the driving screw to rotate.

[0015] The fabric grinding and thinning device has the advantages that:

[0016] 1. When the fabric is fed into the grinding and thinning device, the fabric passes through the feeding gap between the flattening roller and the rotating roller, and the differential rotation of the flattening roller and the rotating roller above the fabric can spread the protruding wrinkles on the fabric to the two sides, so that the fabric fed into the traction assembly and the blade assembly is flat, and the uniformity of the thinned fabric is improved.

[0017] 2. The lifting seat on the mounting bracket can be vertically lifted, the width of the feeding gap between the rotating roller group and the flattening roller group can be adjusted, and the fabric of different thicknesses can be processed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the overall structure of the fabric grinding and thinning device of the embodiment of the application.

[0019] Figure 2 It is a schematic view of the partial sectional structure of the pavement plate of the embodiment of the application.

[0020] 1. thinning machine frame; 11. conveying table; 2. pavement plate; 3. rotating roller; 31. first driven gear; 4. flattening roller; 41. flattening blade; 42. second driven gear; 5. feeding gap; 61. first driving motor; 62. first transmission shaft; 71. second driving motor; 72. second transmission shaft; 73. first driving gear; 74. second driving gear; 81. support column; 82. lifting seat; 83. driving screw; 84. third driving motor. DETAILED DESCRIPTION

[0021] In order to better understand the above technical solutions, the above technical solutions will be described in detail in combination with the drawings of the specification and specific embodiments.

[0022] The embodiment of the application discloses a fabric grinding and thinning device for shoe processing, which refers to Figure 1 and Figure 2, including the thinning machine frame 1, the conveying table 11 is provided on the thinning machine frame 1 for conveying the fabric, and the traction assembly and the blade assembly are sequentially arranged on the conveying table 11. Specifically, the traction assembly can be composed of two synchronously and reversely rotating traction rollers, the distance between the two traction rollers can be adjusted, and the fabric can be squeezed and pulled forward. The blade assembly can be a blade driven by a motor linkage mechanism to move horizontally and reciprocally, and the blade assembly is arranged upstream of the two traction rollers. The conveying table 11 is provided with a movable port for the blade to move, and a flattening roller is arranged above the conveying table 11 upstream of the blade to press the fabric.

[0023] In the embodiment of the present application, a flattening assembly is further included. A paving panel 2 is arranged on the front side of the conveying table 11 at the feeding end of the thinning machine frame 1, and the paving panel 2 is flush with the conveying table 11. An installation support is arranged above the paving panel 2, and the two ends of the installation support are connected to the two sides of the paving panel 2, so that the installation support is arranged on the paving panel 2. The flattening assembly includes a group of rotating roller groups and two groups of flattening roller groups. The two groups of flattening roller groups are respectively arranged on the two sides of the rotating roller groups. The rotating roller group includes two rotating rollers 3, which are respectively rotatably arranged on the paving panel 2 and the installation support. Each group of flattening roller groups includes two flattening rollers 4, which are respectively rotatably arranged on the paving panel 2 and the installation support. A feeding gap 5 for the fabric to pass through is arranged between each group of rotating roller groups and each group of flattening roller groups. The flattening roller 4 includes a flattening blade 41 arranged in a spiral on the outer wall. The spiral directions of the flattening blades 41 on the two flattening rollers 4 on the two sides of the rotating roller 3 are opposite. A first driving assembly for driving the rotating roller 3 and the flattening roller 4 on the paving panel 2 to rotate is arranged on the paving panel 2. A second driving assembly for driving the rotating roller 3 and the flattening roller 4 on the installation support to rotate is arranged on the installation support. The rotating direction of the rotating roller 3 and the flattening roller 4 on the installation support is opposite to that of the rotating roller 3 and the flattening roller 4 on the paving panel 2. When the fabric is fed into the grinding thinning device, the fabric is fed from the paving panel 2 to the feeding gap 5 between the rotating roller 3 and the flattening roller 4. The fabric is squeezed and fed forward by the rotating roller 3. The flattening rollers 4 on the two sides of the rotating roller 3 rotate and push the fabric from the middle to the edges by the flattening blades 41 arranged in a spiral on the flattening rollers 4, so that the fabric is flattened and then fed to the traction assembly and the blade assembly for processing, thereby improving the uniformity of the thickness of the processed fabric.

[0024] In the embodiment of the present application, the first driving assembly comprises a first driving motor 61 and a first transmission shaft 62, the first transmission shaft 62 is rotationally arranged on the paving plate 2, the first driving motor 61 is used to drive the first transmission shaft 62 to rotate, the rotating roller 3 on the paving plate 2 is coaxially fixedly connected with the flattening roller 4, and the first transmission shaft 62 is in transmission connection with the rotating roller 3 and the flattening roller 4 on the paving plate 2. The second driving assembly comprises a second driving motor 71 and a second transmission shaft 72, the second transmission shaft 72 is rotationally arranged on the mounting bracket, the second driving motor 71 is used to drive the second transmission shaft 72 to rotate, one end of the rotating roller 3 on the mounting bracket is coaxially fixedly provided with a first driven gear 31, one end of the flattening roller 4 on the mounting bracket is coaxially fixedly provided with a second driven gear 42, a first driving gear 73 and a second driving gear 74 are fixedly arranged on the second transmission shaft 72, and the first driving gear 73 and the second driving gear 74 are in mesh transmission with the first driven gear 31 and the second driven gear 42 respectively. The transmission ratio of the first driving gear 73 to the first driven gear 31 can be greater than the transmission ratio of the second driving gear 74 to the second driven gear 42, so that the rotating speed of the flattening roller 4 on the mounting bracket is greater than the rotating speed of the rotating roller 3, and the rotating speed of the rotating roller 3 on the mounting bracket is the same as the rotating speed of the rotating roller 3 on the paving plate 2.

[0025] In use, the two rotating rollers 3 are used to clamp and forwardly convey the fabric, the flattening roller 4 on the paving plate 2 is supported below the fabric, the flattening roller 4 on the mounting bracket has a higher rotating speed than the rotating roller 3 in the middle, and the fabric can be actively pushed to the two side edges, so that the flattening operation is realized.

[0026] Further, the outer diameter of the flattening blade 41 is smaller than the outer diameter of the rotating roller 3, that is, the feeding gap 5 in the flattening roller group is greater than the feeding gap 5 in the rotating roller group, so that when the fabric is compressed and forwardly conveyed by the rotating roller group, the fabric in the flat area is not affected by the flattening roller 4, and only the wrinkle part of the fabric is abutted and outwardly pushed by the flattening blade 41. The flattening blade 41 can be made of silica gel material, the friction between the flattening blade 41 and the fabric is increased, the fabric can be better pushed, and when the flattening blade 41 is extruded with the wrinkle part of the fabric, the flexible material of the flattening blade 41 has a deformation allowance, so that the fabric is not damaged.

[0027] Further, the flattening blade 41 is uniformly and intervally provided with a plurality of pieces along the circumferential direction of the flattening roller 4, and the flattening blade 41 is provided with a plurality of rows along the axial direction of the flattening roller 4. The flattening and pushing efficiency of the flattening roller 4 on the wrinkles of the fabric can be improved.

[0028] In order to make the device can be accurately applied to different thickness of fabric processing, in the embodiment of the application, the mounting bracket includes a support 81 and a lifting seat 82, both ends of the lifting seat 82 are vertically and slidingly connected to the support 81, the rotating roller 3 and the flattening roller 4 are rotatably arranged on the lifting seat 82, and the support 81 is provided with a third driving assembly for vertical lifting of the lifting seat 82. The third driving assembly can be a driving screw 83 and a third driving motor 84, the driving screw 83 is vertically and rotatably arranged on one side of the support 81, a threaded sleeve is fixed on the lifting seat 82, the driving screw 83 passes through the threaded sleeve on the lifting seat 82 and is threadedly connected with the threaded sleeve, and the third driving motor 84 is fixedly installed on the support 81 and used for driving the driving screw 83 to rotate.

[0029] Those skilled in the art will appreciate that although preferred embodiments of the present application have been described, those skilled in the art, once aware of the basic inventive concept, can make further changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application. Obviously, those skilled in the art can make various modifications and changes to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and changes of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and changes.

Claims

1. A fabric grinding and thinning device for shoe processing, comprising a thinning machine rack (1), a conveying table (11) for conveying the fabric is arranged on the thinning machine rack (1), a traction assembly and a blade assembly are arranged on the conveying table (11), characterized in that: The rolling assembly includes a set of rotating roller groups and two sets of rolling roller groups, the two sets of rolling roller groups are respectively located on the two sides of the rotating roller groups, the rotating roller groups include two rotating rollers (3) which are respectively rotatably arranged on the paving plate (2) and the mounting bracket, each set of rolling roller groups includes two rolling rollers (4) which are respectively rotatably arranged on the paving plate (2) and the mounting bracket, a feeding gap (5) for feeding the fabric is arranged between each set of rotating roller groups and rolling roller groups, the rolling roller (4) includes a rolling blade (41) which is spirally protruded on the outer wall, the spiral directions of the rolling blades (41) on the two sides of the rolling roller (4) are opposite, the thinning machine rack (1) is provided with a first driving assembly for driving the rotating rollers (3) and the rolling rollers (4) on the thinning machine rack (1) to rotate, the mounting bracket is provided with a second driving assembly for driving the rotating rollers (3) and the rolling rollers (4) on the mounting bracket to rotate, the rotating rollers (3) and the rolling rollers (4) on the mounting bracket are opposite in rotation direction to the rotating rollers (3) and the rolling rollers (4) on the thinning machine rack (1).

2. The fabric grinding and thinning device for shoe processing according to claim 1, characterized in that, The first driving assembly includes a first driving motor (61) and a first transmission shaft (62), the first transmission shaft (62) is rotatably arranged on the paving plate (2), the first driving motor (61) is used for driving the first transmission shaft (62) to rotate, the rotating roller (3) and the rolling roller (4) on the paving plate (2) are coaxially fixedly connected, and the first transmission shaft (62) is in transmission connection with the rotating roller (3) and the rolling roller (4) on the paving plate (2).

3. The fabric grinding and thinning device for shoe processing according to claim 2, characterized in that, The second driving assembly includes a second driving motor (71) and a second transmission shaft (72), the second transmission shaft (72) is rotatably arranged on the mounting bracket, the second driving motor (71) is used for driving the second transmission shaft (72) to rotate, one end of the rotating roller (3) on the mounting bracket is coaxially fixedly provided with a first driven gear (31), one end of the rolling roller (4) on the mounting bracket is coaxially fixedly provided with a second driven gear (42), the second transmission shaft (72) is fixedly provided with a first driving gear (73) and a second driving gear (74), and the first driving gear (73) and the second driving gear (74) are in meshing transmission with the first driven gear (31) and the second driven gear (42) respectively.

4. The fabric grinding and thinning device for shoe processing according to claim 3, characterized in that, The outer diameter of the rolling blade (41) is smaller than the outer diameter of the rotating roller (3).

5. The fabric grinding and thinning device for shoe processing according to claim 4, characterized in that, The rolling blade (41) is made of silica gel.

6. The fabric grinding and thinning device for shoe processing according to claim 4, characterized in that, The rolling blade (41) is uniformly and interval arranged along the circumference of the rolling roller (4), and the rolling blade (41) is arranged in multiple rows along the axis of the rolling roller (4).

7. The fabric grinding and thinning device for shoe processing according to any one of claims 1-3, characterized in that, The mounting support comprises a support column (81) and a lifting seat (82) connected to the support column (81) in vertical sliding, the rotating roller (3) and the flattening roller (4) are rotatably arranged on the lifting seat (82), and the support column (81) is provided with a third driving assembly for vertical lifting of the lifting seat (82).

8. The fabric grinding and thinning device for shoe processing according to claim 7, characterized in that, The third driving assembly comprises a driving screw (83) and a third driving motor (84), the driving screw (83) is vertically and rotatably arranged on one side of the support column (81), the driving screw (83) penetrates through the lifting seat (82) and is threadedly connected with the lifting seat (82), and the third driving motor (84) is arranged on the support column (81) and used for driving the driving screw (83) to rotate.

Citation Information

Patent Citations

  • Leather thinning machine

    CN216107013U