A sole flattening device

Abstract

The present application belongs to the technical field of shoe processing equipment, especially a shoe sole flattening device. In order to solve the problem that the rubber pad rebound performance attenuation cannot be detected, leading to uneven stress distribution of shoe sole flattening and substandard quality, the following scheme is proposed, which includes an operation table, a pneumatic platform is arranged on the operation table, a buffer rubber pad is arranged in the pneumatic platform, a gantry is arranged at the top of the operation table, and a mounting plate is arranged on the inner side of the gantry. The disclosed shoe sole flattening device has a buffer rubber pad in the device, which gradually decreases in elasticity after long-term use. At this time, the detection component can detect the elasticity of the buffer rubber pad in time, thereby effectively avoiding the uneven distribution of pressure on the shoe sole from the last when the shoe sole continues to work due to insufficient elasticity, thereby causing product quality defects and increasing the risk of subsequent cracking of the shoe sole.

Description

Technical Field

[0001] This invention relates to the field of shoe processing equipment technology, and in particular to a shoe sole flattening device. Background Technology

[0002] The sole flattening device is a specialized piece of equipment used in the footwear industry to correct warped and deformed soles and complete their shaping. It is available in manual, pneumatic, hydraulic, roller pressing, and multi-station rotary types. By applying pressure through pressure plates or rollers, it can eliminate internal stress in materials and prevent rebound. Combined with contour positioning and anti-slip limiting structures, it can prevent workpiece displacement. It can be adapted to soles made of different materials such as rubber, EVA, leather, and multi-layer soles, and is widely used in sample making, small-batch processing, and automated mass production lines.

[0003] In the current shoe sole processing, operators typically rely on a sole flattening device to perform the flattening operation. However, because the cushioning rubber pad on the pneumatic platform of this device is subjected to continuous downward pressure, its resilience gradually diminishes. The device cannot effectively detect the resilience of the rubber pad, thus failing to promptly assess its performance degradation. This issue leads to uneven stress distribution during the flattening process, resulting in substandard sole flattening quality. Over time, this can easily induce cracking defects in the sole, severely impacting the product yield. Therefore, improvements are needed. Summary of the Invention

[0004] This invention discloses a shoe sole flattening device, which aims to solve the technical problem in the prior art that the inability to detect the attenuation of the elasticity of the rubber pad leads to uneven force and substandard quality in shoe sole flattening.

[0005] The present invention provides a shoe sole flattening device, comprising: An operating table is provided with a pneumatic platform, and the pneumatic platform is equipped with a buffer rubber pad inside. A gantry frame is installed at the top of the operating platform. An installation plate is provided on the inner side of the gantry frame. Two symmetrical pressure rollers are provided at the bottom of the installation plate, and pressure blocks are provided at the bottom of the two pressure rollers. The detection component is located at the top of the operating table. The detection component includes two mounting brackets and four connecting brackets. Each of the two mounting brackets has three equally spaced movable shafts inside. An auxiliary flattening mechanism is located at the bottom of the gantry frame. The auxiliary flattening mechanism includes two long shafts, and two symmetrical helical springs are installed on the outside of the long shafts.

[0006] In a preferred embodiment, the detection component further includes: A frame 1 is symmetrically arranged at the top of the operating table. The bottom ends of the two frames 1 are fixedly connected to the top of the operating table. A servo motor is fixedly connected to the outer side of each of the two frames 1. The two servo motors are fixedly connected to the rotating shafts via couplings.

[0007] In a preferred embodiment, the detection component further includes: Mounting brackets are symmetrically arranged on the inner side of the gantry frame, and the outer sides of both mounting brackets are fixedly connected to the inner side of the gantry frame. The movable shafts are arranged in groups of three out of six. The exterior of each group of movable shafts is movably connected to the interior of two mounting brackets. The exterior of each group of movable shafts is wrapped with nylon cloth. The exterior of each group of movable shafts is wrapped with nylon cloth in groups of three out of six. An auxiliary rebound pad is fixedly connected between one end of each group of nylon cloths. The other end of each group of nylon cloths is wrapped around the exterior of the two rotating shafts. The bottom end of the auxiliary rebound pad is set to fit against the top surface of the sole to be flattened.

[0008] In a preferred embodiment, the detection component further includes: There are four connecting frames, symmetrically arranged on the outside of the pneumatic platform, and the outside of each of the four connecting frames is fixedly connected to the outside of the pneumatic platform. There are four ropes in total, which are threaded through the four connecting frames and can move freely. One end of each rope is fixedly connected to the top of the auxiliary rebound pad.

[0009] In a preferred embodiment, the detection component further includes: There are four boxes in total, symmetrically arranged inside the pneumatic platform. The four boxes can move inside the pneumatic platform. The outer sides of the four boxes are fixedly connected to the ends of the four ropes away from the auxiliary rebound pad. Four circular shafts are located inside the box body, and one end of each of the four circular shafts is fixedly connected to the inner side of the four box bodies.

[0010] In a preferred embodiment, the detection component further includes: The pressure sensors are housed inside four housings. The sensing ends of the pressure sensors extend out of the housings and into the pneumatic platform. The outer side of the pressure sensors is fixedly connected to the interior of the pneumatic platform.

[0011] In a preferred embodiment, the detection component further includes: Four ring springs are sleeved on the outside of the four pressure sensors. One end of each of the four ring springs is fixedly connected to the four pressure sensors, and the other end of each of the four ring springs is fixedly connected to the inside of the housing.

[0012] In a preferred embodiment, the auxiliary flattening mechanism further includes: Frame 2 is mounted on the gantry frame, and the bottom end of frame 2 is fixedly connected to the top end of the gantry frame. The drive motor is fixedly mounted on frame two, and the power output shaft of the drive motor is fixedly connected to a cam via a coupling.

[0013] In a preferred embodiment, the auxiliary flattening mechanism further includes: There are two long shafts, symmetrically arranged inside the gantry frame. The exterior of both long shafts is movably connected to the interior of the gantry frame. The top and bottom ends of the two long shafts pass through the gantry frame and extend to the top and the outer side of the inner side of the gantry frame, respectively. The short block is mounted on the top of the two long shafts, and the top of the two long shafts is fixedly connected to the bottom of the short block.

[0014] In a preferred embodiment, the auxiliary flattening mechanism further includes: Two helical springs are movably sleeved on the outside of two long shafts. One end of each helical spring is fixedly connected to the bottom end of the short block, and the other end of each helical spring is fixedly connected to the top end of the gantry frame. The moving block is fixedly installed at the bottom of the two long shafts.

[0015] As can be seen from the above, the shoe sole flattening device provided by the present invention has the following characteristics: after long-term use, the elasticity of the cushioning rubber pad in the device will gradually decrease. At this time, with the help of the set detection components, the elasticity state of the cushioning rubber pad can be detected in time, thereby effectively avoiding uneven pressure distribution on the shoe sole from the shoe last when the device continues to work due to insufficient elasticity, which would lead to product quality defects and increase the risk of subsequent cracking of the shoe sole. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a shoe sole flattening device proposed in this invention; Figure 2 This is a side view of a shoe sole flattening device proposed in this invention. Figure 3 This is a schematic cross-sectional view of the gantry structure of a shoe sole flattening device proposed in this invention; Figure 4 This is a schematic diagram of the detection component structure of a shoe sole flattening device proposed in this invention; Figure 5 This is a cross-sectional view of the buffer rubber pad of a shoe sole flattening device proposed in this invention; Figure 6 This is a cross-sectional view of the pneumatic platform of the shoe sole flattening device proposed in this invention; Figure 7 This is a cross-sectional view of the detection component box of a shoe sole flattening device proposed in this invention.

[0017] In the diagram: 1. Control panel; 2. Pneumatic platform; 3. Buffer rubber pad; 4. Detection component; 401. Frame 1; 402. Servo motor; 403. Rotary shaft; 404. Mounting bracket; 405. Movable shaft; 406. Nylon cloth; 407. Auxiliary rebound pad; 408. Connecting bracket; 409. Rope; 410. Box body; 411. Round shaft; 412. Pressure sensor; 413. Ring spring; 5. Gantry frame; 6. Mounting plate; 7. Pressure roller; 8. Pressure block; 9. Auxiliary flattening mechanism; 901. Frame 2; 902. Drive motor; 903. Cam; 904. Long shaft; 905. Short block; 906. Helical spring; 907. Moving block. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0019] The sole flattening device disclosed in this invention is mainly used in scenarios where the attenuation of the rubber pad's rebound performance cannot be detected, resulting in uneven force distribution and substandard quality during sole flattening.

[0020] Reference Figures 1-7 A shoe sole flattening device, comprising: Operating console 1, with a pneumatic platform 2 installed on the operating console 1, and a buffer rubber pad 3 installed inside the pneumatic platform 2; Gantry 5 is set at the top of the operating platform 1. An installation plate 6 is set on the inner side of the gantry 5. Two symmetrical pressure rollers 7 are set at the bottom of the installation plate 6. Each pressure roller 7 has a pressure block 8 at its bottom. The detection component 4 is located at the top of the operating table 1. The detection component 4 includes two mounting brackets 404 and four connecting brackets 408. Each of the two mounting brackets 404 has three equally spaced movable shafts 405 inside. The auxiliary flattening mechanism 9 is located at the bottom of the gantry frame 5. The auxiliary flattening mechanism 9 includes two long shafts 904. Two symmetrical helical springs 906 are arranged on the outside of the long shafts 904.

[0021] In this invention, the detection component 4 further includes: Frame 401 is symmetrically arranged at the top of the operating table 1. The bottom ends of the two frames 401 are fixedly connected to the top of the operating table 1. Servo motors 402 are fixedly connected to the outer sides of the two frames 401. The rotating shaft 403 is fixedly connected to the power output shafts of the two servo motors 402 via couplings.

[0022] In this invention, the detection component 4 further includes: Mounting brackets 404 are symmetrically arranged on the inner side of the gantry frame 5, and the outer sides of the two mounting brackets 404 are fixedly connected to the inner side of the gantry frame 5. The movable shaft 405 consists of six movable shafts arranged in groups of three. The exterior of each group of two movable shafts 405 is movably connected to the interior of two mounting brackets 404. The exterior of each group of two movable shafts 405 is wrapped with nylon cloth 406. The six nylon cloths 406 are arranged in groups of three. An auxiliary rebound pad 407 is fixedly connected between one end of each group of two nylon cloths 406. The other end of each group of two nylon cloths 406 is wrapped around the exterior of two rotating shafts 403. The bottom end of the auxiliary rebound pad 407 is set to fit against the top surface of the sole to be flattened.

[0023] In this invention, the detection component 4 further includes: There are four connecting frames 408, which are symmetrically arranged on the outside of the pneumatic platform 2. The outside of each of the four connecting frames 408 is fixedly connected to the outside of the pneumatic platform 2. There are four ropes 409, which are threaded through the four connecting frames 408 and can move freely. One end of each rope 409 is fixedly connected to the top of the auxiliary rebound pad 407.

[0024] In this invention, the detection component 4 further includes: Box 410, there are four boxes 410 in total, symmetrically arranged inside the pneumatic platform 2. The four boxes 410 can move inside the pneumatic platform 2. The outer sides of the four boxes 410 are fixedly connected to the ends of the four ropes 409 away from the auxiliary rebound pad 407. Four round shafts 411 are located inside the box 410, and one end of each round shaft 411 is fixedly connected to the inner side of the four boxes 410.

[0025] In this invention, the detection component 4 further includes: Pressure sensors 412 are installed inside four housings 410. The detection end of the pressure sensor 412 extends out of the housing 410 and into the pneumatic platform 2. The outside of the pressure sensor 412 is fixedly connected to the inside of the pneumatic platform 2.

[0026] In this invention, the detection component 4 further includes: Four ring springs 413 are sleeved on the outside of four pressure sensors 412. One end of each ring spring 413 is fixedly connected to the four pressure sensors 412, and the other end of each ring spring 413 is fixedly connected to the inside of the housing 410.

[0027] Specifically, the pneumatic platform 2 drives the entire shoe last to move upward, so that the top of the shoe last contacts the bottom of the pressure block 8. Since the forces are mutual, the shoe last exerts continuous downward pressure on the auxiliary rebound pad 407 and the cushioning rubber pad 3, while the nylon cloth 406 is in a relaxed state. The auxiliary rebound pad 407 is indented under pressure, which in turn pulls the four ropes 409. The ropes 409 pull the four boxes 410 to move in opposite directions. The round shaft 411 inside the box 410 squeezes the pressure sensor 412. When the pressure value of the round shaft 411 on the pressure sensor 412 is less than the preset threshold, the sensor issues an alarm.

[0028] In specific application scenarios, the nylon cloth 406 is in a relaxed state at the beginning, so it will not affect the flattening operation. The pressure sensor 412 will be set with a predetermined threshold. When the pressure applied to the pressure sensor 412 by the round shaft 411 is less than the predetermined threshold, the pressure sensor 412 will trigger an alarm.

[0029] Reference Figure 1 , Figure 2 and Figure 3 In a preferred embodiment, the auxiliary flattening mechanism 9 further includes: Frame 2 901 is mounted on gantry 5, and the bottom end of frame 2 901 is fixedly connected to the top end of gantry 5. The drive motor 902 is fixedly mounted on the frame 901, and the power output shaft of the drive motor 902 is fixedly connected to the cam 903 through a coupling.

[0030] In this invention, the auxiliary flattening mechanism 9 further includes: There are two long shafts 904, which are symmetrically arranged inside the gantry frame 5. The exterior of both long shafts 904 are movably connected to the interior of the gantry frame 5. The top and bottom ends of both long shafts 904 pass through the gantry frame 5 and extend to the top and the inner exterior of the gantry frame 5, respectively. The short block 905 is mounted on the top of the two long shafts 904, and the top of the two long shafts 904 is fixedly connected to the bottom of the short block 905.

[0031] In this invention, the auxiliary flattening mechanism 9 further includes: Two helical springs 906 are movably sleeved on the outside of two long shafts 904. One end of each helical spring 906 is fixedly connected to the bottom end of the short block 905, and the other end of each helical spring 906 is fixedly connected to the top end of the gantry frame 5. Motion block 907 is fixedly installed at the bottom of the two long shafts 904.

[0032] In a specific application scenario, the start-up drive motor 902 drives the cam 903 to rotate. The cam 903 continuously presses the top of the short block 905. After the short block 905 is compressed, it drives the two long shafts 904 and the bottom moving block 907 to move downward. The bottom of the moving block 907 contacts the top of the shoe last, and the two coil springs 906 are compressed simultaneously. When the cam 903 disengages from the short block 905, the coil springs 906 recover their elasticity, pushing the short block 905, long shafts 904 and moving block 907 to return to their original position. The reciprocating motion of the mechanism causes the moving block 907 to continuously impact the top of the shoe last and generate low-frequency vibration, which promotes the flow of glue, fills tiny gaps, effectively improves the bonding effect, and reduces the risk of later sole cracking.

[0033] Working principle: During use, the operator applies glue to the bottom of the shoe, then attaches the sole to the bottom of the shoe body. Next, the shoe last is inserted into the shoe, and the entire shoe is placed on top of the auxiliary rebound pad 407. At this point, the pneumatic platform 2 is activated, causing the shoe last to move upwards until its top contacts the bottom of the pressure block 8. Due to the mutual action of forces, the shoe last exerts continuous downward pressure on the auxiliary rebound pad 407 and the cushioning rubber pad 3, while the nylon cloth 406 remains relaxed. The auxiliary rebound pad 407 is indented under pressure, which in turn pulls the four ropes 409. The ropes 409 pull the four boxes 410 in opposite directions, causing the circular shaft 411 inside the box 410 to compress the pressure sensor 412. When the pressure value of the circular shaft 411 on the pressure sensor 412 is less than a preset threshold, the sensor issues an alarm, reminding the operator to replace the cushioning rubber pad. The rubber pad 3 and the auxiliary rebound pad 407 prevent uneven force from causing substandard flattening of the sole. During this process, the four ring springs 413 are in a compressed state. During the flattening operation, the drive motor 902 is started to drive the cam 903 to rotate. The cam 903 continuously squeezes the top of the short block 905. After the short block 905 is compressed, it drives the two long shafts 904 and the bottom moving block 907 to move downward. The bottom of the moving block 907 contacts the top of the shoe last, and the two spiral springs 906 are compressed simultaneously. When the cam 903 disengages from the short block 905, the elasticity of the spiral springs 906 is restored, pushing the short block 905, long shafts 904 and moving block 907 to return to their original position. The reciprocating motion of the mechanism causes the moving block 907 to continuously hit the top of the shoe last and generate low-frequency vibration, which promotes glue flow, fills tiny gaps, effectively improves the bonding effect, and reduces the risk of later sole cracking.

[0034] Finally, after flattening is completed, starting the two frames 401 will cause the two servo motors 402 to rotate, which will cause the two sets of nylon cloth 406 to be wound up, thereby pulling the auxiliary rebound pad 407, which will assist the buffer rubber pad 3 in rebounding, thus improving the service life of the buffer rubber pad 3. Due to the rebound of the buffer rubber pad 3, the tension on the four ropes 409 will be removed. At this time, the elasticity of the four ring springs 413 will be restored, thereby pulling the four boxes 410 back to their initial state.

[0035] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A shoe sole flattening device, characterized in that, include: The control panel (1) is equipped with a pneumatic platform (2), and the pneumatic platform (2) is equipped with a buffer rubber pad (3) inside. Gantry (5) is set at the top of the operating table (1). The inner side of the gantry (5) is provided with an installation plate (6). The bottom end of the installation plate (6) is provided with two symmetrical pressure rollers (7). The bottom end of the two pressure rollers (7) is provided with pressure blocks (8). The detection component (4) is located at the top of the operating table (1). The detection component (4) includes two mounting brackets (404) and four connecting brackets (408). Each of the two mounting brackets (404) has three equally spaced movable shafts (405) inside. The auxiliary flattening mechanism (9) is located at the bottom of the gantry (5). The auxiliary flattening mechanism (9) includes two long shafts (904), and two symmetrical helical springs (906) are provided on the outside of the long shafts (904).

2. The shoe sole flattening device according to claim 1, characterized in that, The detection component (4) also includes: Frame 1 (401) is symmetrically arranged at the top of the operating table (1). The bottom ends of the two frames 1 (401) are fixedly connected to the top of the operating table (1). Servo motors (402) are fixedly connected to the outer sides of the two frames 1 (401). The two servo motors (402) are fixedly connected to the rotating shaft (403) via a coupling.

3. The shoe sole flattening device according to claim 2, characterized in that, The detection component (4) also includes: Mounting brackets (404) are symmetrically arranged on the inner side of the gantry frame (5), and the outer sides of both mounting brackets (404) are fixedly connected to the inner side of the gantry frame (5). The movable shaft (405) consists of six movable shafts (405) arranged in groups of three. The exterior of each group of movable shafts (405) is movably connected to the interior of two mounting brackets (404). The exterior of each group of movable shafts (405) is wrapped with nylon cloth (406). The six nylon cloths (406) are arranged in groups of three. An auxiliary rebound pad (407) is fixedly connected between one end of each group of nylon cloths (406). The other end of each group of nylon cloths (406) is wrapped around the exterior of two rotating shafts (403). The bottom end of the auxiliary rebound pad (407) is set to fit against the top surface of the sole to be flattened.

4. The shoe sole flattening device according to claim 3, characterized in that, The detection component (4) also includes: There are four connecting frames (408) in total, which are symmetrically arranged on the outside of the pneumatic platform (2). The outside of the four connecting frames (408) are fixedly connected to the outside of the pneumatic platform (2). There are four ropes (409), which are threaded through the four connecting frames (408) and can move freely. One end of each of the four ropes (409) is fixedly connected to the top of the auxiliary rebound pad (407).

5. A shoe sole flattening device according to claim 4, characterized in that, The detection component (4) also includes: Box (410), there are four boxes (410) in total, symmetrically arranged inside the pneumatic platform (2). The four boxes (410) can move inside the pneumatic platform (2). The outer sides of the four boxes (410) are fixedly connected to the ends of the four ropes (409) away from the auxiliary rebound pad (407). The four round shafts (411) are all located inside the box (410), and one end of each of the four round shafts (411) is fixedly connected to the inner side of the four boxes (410).

6. A shoe sole flattening device according to claim 5, characterized in that, The detection component (4) also includes: Pressure sensor (412): Four pressure sensors (412) are all located inside four housings (410). The detection end of the pressure sensor (412) extends out of the housing (410) and into the pneumatic platform (2). The outside of the pressure sensor (412) is fixedly connected to the inside of the pneumatic platform (2).

7. A shoe sole flattening device according to claim 6, characterized in that, The detection component (4) also includes: The four ring springs (413) are all sleeved on the outside of the four pressure sensors (412). One end of each of the four ring springs (413) is fixedly connected to the four pressure sensors (412), and the other end of each of the four ring springs (413) is fixedly connected to the inside of the box (410).

8. A shoe sole flattening device according to claim 1, characterized in that, The auxiliary flattening mechanism (9) further includes: Frame 2 (901) is mounted on the gantry (5), and the bottom end of the frame 2 (901) is fixedly connected to the top end of the gantry (5); The drive motor (902) is fixedly mounted on the second frame (901). The power output shaft of the drive motor (902) is fixedly connected to the cam (903) through a coupling.

9. A shoe sole flattening device according to claim 8, characterized in that, The auxiliary flattening mechanism (9) further includes: Two long shafts (904) are symmetrically arranged inside the gantry frame (5). The exterior of the two long shafts (904) are movably connected to the interior of the gantry frame (5). The top and bottom ends of the two long shafts (904) pass through the gantry frame (5) and extend to the top and the inner exterior of the gantry frame (5) respectively. The short block (905) is mounted on the top of the two long shafts (904), and the top of the two long shafts (904) is fixedly connected to the bottom of the short block (905).

10. A shoe sole flattening device according to claim 9, characterized in that, The auxiliary flattening mechanism (9) further includes: Helical springs (906), both helical springs (906) are movably sleeved on the outside of the two long shafts (904), one end of each helical spring (906) is fixedly connected to the bottom end of the short block (905), and the other end of each helical spring (906) is fixedly connected to the top end of the gantry (5). The motion block (907) is fixedly installed at the bottom of the two long shafts (904).

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