An automatic centering structure for shoe sole grinding and polishing

Abstract

This utility model discloses an automatic centering structure for shoe sole grinding and polishing, comprising a left-right centering clamping plate, a clamping cylinder, a length-adjusting screw, a length-centering cylinder, a length-moving slider, a moving motor, and a guide rail. A servo motor drives the forward and reverse screws to adjust the width position, a finger cylinder achieves precise positioning, the left-right screw and cylinder work together to adjust the length direction center, and the moving slider and guide rail ensure smooth movement. This application can quickly and accurately complete the automatic centering and stable clamping of the shoe sole, improving processing efficiency and quality, reducing manual intervention, and is applicable to various shoe sole processing scenarios.

Description

Technical Field

[0001] This utility model relates to the field of shoe sole processing technology, and in particular to an automatic centering structure for shoe sole grinding and polishing. Background Technology

[0002] In the footwear industry, sole grinding and polishing are crucial steps in the production process, directly impacting the appearance and durability of footwear products. Traditional sole grinding and polishing processes typically rely on manual operation or semi-automatic equipment, methods with numerous shortcomings in practical application. For example, manual operation is prone to uneven grinding due to individual differences, resulting in low efficiency and high labor intensity; while existing semi-automatic equipment often lacks precision and automation in positioning and adjusting the sole, failing to meet the need for rapid adaptation to different shoe sizes. Furthermore, existing equipment is inadequate in centering the sole's length and width, often requiring additional manual intervention to ensure the sole is centered on the rotating mold, otherwise, uneven grinding results will occur, affecting product quality. Simultaneously, the transmission and control mechanisms in traditional equipment are complex, leading to high debugging and maintenance costs, further limiting their application in large-scale production. Therefore, developing a grinding and polishing device capable of automatic sole centering, precise positioning, and adaptation to multiple shoe sizes has become a pressing technical challenge for the industry. Utility Model Content

[0003] The purpose of this utility model is to provide an automatic centering structure for shoe sole grinding and polishing, which solves the problems mentioned in the background art.

[0004] This utility model is implemented as follows: an automatic centering structure for shoe sole grinding and polishing includes a left-right centering clamping plate, a left-right centering clamping cylinder, a left-right rotating screw for shoe sole size, a centering cylinder for shoe sole length, a sliding block for shoe sole length, a motor for shoe sole length, and a guide rail for shoe sole length. Specifically, the left-right centering clamping plate is used to achieve precise positioning and clamping of the shoe sole in the width direction. It is composed of a forward and reverse screw, a linear guide rail, a finger cylinder, and a servo motor. One end of the forward and reverse screw is connected to the servo motor, and the other end is threaded onto the linear guide rail. The servo motor drives the forward and reverse screw to rotate according to the target shoe size input by the user, causing the clamping plate to move along the linear guide rail to the width position corresponding to the target shoe size. The finger cylinder is fixed to the clamping plate and applies pressure to the shoe sole to precisely position it at the center of the rotating shoe mold, ensuring uniform grinding of the shoe edge.

[0005] Furthermore, the left-right centering clamping cylinder for the sole is located on the outer side of the clamping plates to assist in clamping the sole and enhance the clamping effect. This cylinder generates thrust or pull force using compressed air to tightly adhere the sole to the clamping plates, preventing it from shifting during processing. The piston rod of the cylinder is in direct contact with the inner surface of the clamping plates, ensuring uniform clamping force distribution and eliminating localized stress concentrations.

[0006] Specifically, the left-hand and right-hand threaded screws for adjusting the sole's length are used to adapt to the processing requirements of soles of different lengths. The screws have left-hand and right-hand threads at both ends and are fixed to the equipment frame via bearing seats. The middle of the screw is connected to a drive motor. When the motor starts, the screw drives the clamping mechanisms on both sides to move closer or further apart along the length direction, thereby achieving precise adjustment of the sole length.

[0007] Furthermore, the sole length centering cylinder is arranged at the front and rear ends of the sole to adjust the center position of the sole along its length. The cylinder uses the thrust or pull force generated by compressed air to move the sole along its length, aligning its center with the processing center of the equipment. The cylinder's stroke range is preset to match the maximum shoe size length to meet the processing requirements of soles of different sizes.

[0008] The sole length sliding slider supports the sole and allows it to slide freely along its length. A high-precision ball bearing is installed at the bottom of the slider, and a fixing device is provided at the top to support the sole. The slider is connected to the sole length traveling guide rail by bolts, allowing it to slide smoothly along the guide rail and avoiding movement deviation caused by excessive friction.

[0009] Furthermore, the sole length-moving motor is used to drive the sole to move in the length direction. The motor output shaft is connected to the transmission mechanism via a coupling. The transmission mechanism uses a synchronous belt drive to convert the rotational motion of the motor into the linear motion of the slider. The tension of the synchronous belt is adjusted by a tension pulley to ensure stability during transmission.

[0010] Specifically, the sole length travel guide rail provides guidance and support for the movement of the slider. The guide rail is made of high-strength alloy material with a precision-ground surface, resulting in high flatness and a low coefficient of friction. The mounting reference surface of the guide rail is precisely aligned with the equipment's machining center, ensuring that the sole maintains a precise positional relationship throughout its movement.

[0011] The technical solution of this utility model achieves automatic centering and clamping of the shoe sole through the following steps: S1: The user inputs the target shoe size value through the display screen; S2: The servo motor receives the instruction signal from the control system and drives the forward and reverse threaded screws to rotate, so that the clamping plate moves to the specified width position; S3: The shoe sole is placed between the clamping plates, and the finger cylinder applies pressure to it to complete the precise positioning; S4: The left and right rotation threaded screws of the shoe sole length and the centering cylinder of the shoe sole length work together to adjust the position of the shoe sole in the length direction, so that its center is aligned with the processing center of the equipment; S5: The shoe sole length walking motor drives the slider to move along the guide rail to the processing start position, completing the automatic centering and clamping operation of the shoe sole.

[0012] The beneficial effects of this utility model are as follows: Through the above technical solution, the sole can achieve rapid and accurate automatic centering during the grinding and polishing process, significantly improving processing efficiency. The synergistic effect of the clamping plate and clamping cylinder ensures that the sole remains stable during processing, avoiding processing errors caused by loosening. The design of the walking slider and guide rail ensures the smoothness and accuracy of the sole's movement in the length direction, thereby improving the quality of grinding and polishing. In addition, the user only needs to input the shoe size value on the display screen, and the system can automatically complete the centering and clamping operations of the sole, reducing manual intervention and lowering the difficulty of operation. In summary, this utility model provides an efficient, accurate, and easy-to-operate automatic centering structure for sole grinding and polishing, suitable for various sole processing scenarios, and has broad application prospects. Attached Figure Description

[0013] Figure 1 A schematic diagram of a left and right centering clamping plate and related structures for an automatic centering structure during shoe sole grinding and polishing.

[0014] Figure 2 A schematic diagram of a sole length centering structure for an automatic centering structure during sole grinding and polishing.

[0015] Figure 3 This is a schematic diagram of a walking structure for an automatic centering mechanism during sole grinding and polishing.

[0016] The attached figures are labeled as follows:

[0017] 1. Find the centering clips on both sides of the shoe sole;

[0018] 2. Center the shoe sole from both sides and clamp the cylinder tightly;

[0019] 3. Left and right screw rods for shoe sole size and length;

[0020] 4. Find the cylinder by adjusting the length of the shoe sole;

[0021] 5. Shoe sole length walking slider;

[0022] 6. Shoe sole length walking motor;

[0023] 7. Shoe sole length walking guide rail. Detailed Implementation

[0024] This utility model provides an automatic centering structure for shoe sole grinding and polishing, combined with an attached... Figure 1 To be continued Figure 3 The specific embodiments of this utility model are described in detail below. The main components involved in this embodiment include a left-right centering clamping plate 1, a left-right centering clamping cylinder 2, a left-right rotating lead screw 3 for sole size length adjustment, a sole length centering cylinder 4, a sole length traveling slider 5, a sole length traveling motor 6, and a sole length traveling guide rail 7. These components together constitute a complete automatic centering and clamping system, ensuring precise positioning and stable clamping of the sole during processing.

[0025] First, describe the structure and working principle of the left and right centering clamping plate 1 on the sole. For example... Figure 1 As shown, the left and right centering clamping plate 1 of the sole consists of a forward and reverse threaded rod, a linear guide rail, a finger cylinder, and a servo motor. One end of the forward and reverse threaded rod is connected to the servo motor via a coupling, and the other end is threaded onto the linear guide rail. When the user inputs the target shoe size value on the display screen, the control system converts this value into a rotation command signal for the servo motor. The servo motor drives the forward and reverse threaded rod to rotate according to this signal, causing the clamping plate to move along the linear guide rail to the width position corresponding to the target shoe size. This design achieves precise positioning of the sole in the width direction. To further improve positioning accuracy, the finger cylinder is fixed to the clamping plate 1, applying uniform pressure to the sole to precisely position it at the center of the rotating shoe mold. This uniform pressure distribution design avoids local stress concentration, thus ensuring the uniformity of the shoe edge grinding. In addition, the pressure of the finger cylinder can be controlled by adjusting the air source pressure to adapt to the needs of different sole materials.

[0026] The following describes the function and implementation of the left-right centering clamping cylinder 2. The left-right centering clamping cylinder 2 is located on the outer side of the clamping plate 1, and its main function is to assist in clamping the sole and enhance the clamping effect. For example... Figure 1 As shown, the clamping cylinder 2 generates thrust or pull force using compressed air to tightly adhere the shoe sole to the clamping plates 1. The piston rod of the clamping cylinder 2 is in direct contact with the inner surface of the clamping plates 1, ensuring uniform clamping force distribution and eliminating localized stress concentration. This design not only improves clamping stability but also effectively prevents the shoe sole from shifting during processing. In actual operation, the stroke range of the clamping cylinder 2 is pre-set to match the maximum shoe size width, meeting the processing requirements of various shoe sole sizes.

[0027] The left and right turning screw 3 for sole size and length adjustment is used to adjust the position of the sole along its length to accommodate different sole length processing requirements. For example... Figure 2 As shown, the lead screw 3 has left-hand and right-hand threads at both ends, and is fixed to the equipment frame via bearing seats. The middle of the lead screw 3 is connected to a drive motor. When the motor starts, the lead screw drives the clamping mechanisms on both sides to move closer or further apart along the length direction, thereby achieving precise adjustment of the shoe sole length. This design can quickly respond to changes in shoe sizes, significantly improving processing efficiency. Furthermore, the thread precision of the lead screw 3 is strictly controlled to ensure that each adjustment achieves the expected positioning accuracy, avoiding processing deviations caused by accumulated errors.

[0028] The sole length centering cylinder 4 is located at the front and rear of the sole and is used to adjust the center position of the sole along its length. For example... Figure 2 As shown, cylinder 4 uses the thrust or pull force generated by compressed air to move the sole along its length, aligning its center with the processing center of the equipment. The stroke range of cylinder 4 is preset to match the maximum shoe size length to meet the processing requirements of soles of different sizes. In actual operation, the movement of cylinder 4 is controlled by command signals from the control system, ensuring that the center alignment operation of the sole is accurately completed each time. In addition, the thrust of cylinder 4 can be controlled by adjusting the air source pressure to adapt to the needs of soles made of different materials.

[0029] The sole length sliding slider 5 is used to support the sole and allow it to slide freely in the length direction. For example... Figure 3 As shown, a high-precision ball bearing is installed at the bottom of slider 5, and a fixing device is provided at the top to support the shoe sole. Slider 5 is connected to the shoe sole length guide rail 7 by bolts, allowing it to slide smoothly along the guide rail and avoiding movement deviation caused by excessive friction. The design of slider 5 fully considers the stability of the shoe sole during the processing, ensuring that it maintains a precise positional relationship during movement. In addition, the fixing device of slider 5 adopts an adjustable design, which can adapt to shoe soles of different shapes and sizes, improving the versatility of the equipment.

[0030] The sole length-moving motor 6 is used to drive the sole to move along its length. For example... Figure 3 As shown, the output shaft of motor 6 is connected to the transmission mechanism via a coupling. The transmission mechanism uses a synchronous belt drive to convert the rotational motion of the motor into the linear motion of slider 5. The tension of the synchronous belt is adjusted by a tension pulley to ensure stability during transmission. The running speed and direction of motor 6 are controlled by command signals from the control system to ensure that each movement accurately reaches the target position. In addition, the power and speed of motor 6 are optimized to improve processing efficiency while ensuring smooth movement.

[0031] The sole length guide rail 7 provides guidance and support for the movement of the slider 5. For example... Figure 3 As shown, guide rail 7 is made of high-strength alloy material with a precision-ground surface, resulting in high flatness and a low coefficient of friction. The mounting reference surface of guide rail 7 is precisely aligned with the equipment's machining center, ensuring the sole maintains a precise positional relationship during movement. The design of guide rail 7 fully considers the stability of the sole during processing, avoiding machining deviations caused by guide rail deformation or wear. Furthermore, the maintenance cycle of guide rail 7 is optimized, reducing maintenance costs while ensuring long-term performance.

[0032] This invention relates to an automatic centering structure for shoe sole grinding and polishing, which achieves automatic centering and clamping of the shoe sole through the following steps. First, the user inputs the target shoe size value through the display screen, and the control system converts this value into a rotation command signal for the servo motor. The servo motor drives the forward and reverse threaded screws to rotate according to this signal, moving the clamping plate 1 to the specified width position. Next, the shoe sole is placed between the clamping plates 1, and a finger cylinder applies pressure to achieve precise positioning. Subsequently, the left and right rotating threaded screw 3 for shoe sole length and the centering cylinder 4 for shoe sole length work together to adjust the position of the shoe sole in the length direction, aligning its center with the processing center of the equipment. Finally, the shoe sole length traveling motor 6 drives the slider 5 to move along the guide rail 7 to the processing starting position, completing the automatic centering and clamping operation of the shoe sole. The entire process is fully automated, reducing manual intervention and improving processing efficiency.

[0033] This invention, through the aforementioned technical solution, enables rapid and precise automatic centering of the shoe sole during grinding and polishing, significantly improving processing efficiency. The synergistic effect of the clamping plate 1 and the clamping cylinder 2 ensures the shoe sole remains stable during processing, avoiding processing errors caused by loosening. The design of the walking slider 5 and the guide rail 7 ensures the smooth and precise movement of the shoe sole in the length direction, thereby improving the quality of grinding and polishing. Furthermore, the user only needs to input the shoe size value on the display screen, and the system can automatically complete the centering and clamping operations of the shoe sole, reducing operational difficulty. In summary, this invention provides a highly efficient, precise, and easy-to-operate automatic centering structure for shoe sole grinding and polishing, suitable for various shoe sole processing scenarios, and has broad application prospects.

[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic centering structure for shoe sole grinding and polishing, characterized in that, include: The system includes a left-right centering clamping plate (1), a left-right centering clamping cylinder (2), a left-right rotating screw (3), a left-right centering cylinder (4), a left-right moving slider (5), a left-right moving motor (6), and a left-right moving guide rail (7). The left-right centering clamping plate (1) is used to position and clamp the sole in the width direction. The left-right centering clamping cylinder (2) is located on the outside of the clamping plate (1) to enhance the clamping effect. The left-right rotating screw (3) is used to adjust the position of the sole in the length direction. The left-right centering cylinder (4) is located at the front and rear ends of the sole to adjust the center position of the sole in the length direction. The left-right moving slider (5) is used to support the sole and allow it to slide in the length direction. The left-right moving motor (6) is used to drive the sole to move in the length direction. The left-right moving guide rail (7) provides guidance and support for the movement of the slider (5).

2. The automatic centering structure for shoe sole grinding and polishing as described in claim 1, characterized in that, The left and right centering clamping plate (1) of the sole is composed of a positive and negative threaded rod, a linear guide rail, a finger cylinder and a servo motor. One end of the positive and negative threaded rod is connected to the servo motor, and the other end is installed on the linear guide rail through a threaded fit. The servo motor drives the positive and negative threaded rod to rotate according to the input target shoe size value, so that the clamping plate moves along the linear guide rail to the width position corresponding to the target shoe size.

3. The automatic centering structure for shoe sole grinding and polishing as described in claim 2, characterized in that, The finger cylinder is fixed on the clamping plate (1) and is precisely positioned at the center of the rotating shoe mold by applying pressure to the sole of the shoe.

4. The automatic centering structure for shoe sole grinding and polishing as described in claim 1, characterized in that, The left and right threads of the shoe sole length screw (3) are respectively provided at both ends, and are fixed to the equipment frame by bearing seats. The middle part of the screw (3) is connected to the drive motor. When the motor starts, the screw drives the clamping mechanisms on both sides to move closer or further apart along the length direction.

5. The automatic centering structure for shoe sole grinding and polishing as described in claim 1, characterized in that, The bottom of the shoe sole length walking slider (5) is equipped with a high-precision ball bearing, and the top is equipped with a fixing device to support the shoe sole. The slider (5) is connected to the shoe sole length walking guide rail (7) by bolts and can slide smoothly along the guide rail.

6. The automatic centering structure for shoe sole grinding and polishing as described in claim 5, characterized in that, The shoe sole length walking guide (7) is made of high-strength alloy material and the surface is precision ground, which has high flatness and low friction coefficient.

7. The automatic centering structure for shoe sole grinding and polishing as described in claim 1, characterized in that, The output shaft of the walking motor (6) for the sole length is connected to the transmission mechanism via a coupling. The transmission mechanism uses a synchronous belt drive to convert the rotational motion of the motor into the linear motion of the slider (5).

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