Multi-station crystal light ball blank polishing integrated machine

Abstract

The utility model discloses a multi -station crystal light ball blank polishing and polishing integrated machine belongs to polishing and polishing equipment technical field, including conveyer, and the thickened pad is equipped in the middle section of conveyer conveyer belt, and the thickened pad surface opens a plurality of groups of ball groove, and the both ends of conveyer are equipped with face changing mechanism, and two groups of mounting brackets are equipped on the conveyer, and the inside of mounting bracket is connected trapezoidal frame, and the trapezoidal frame is equipped with guide rail structure, and the guide rail structure is connected first motor, and the output of first motor is equipped with polishing disc and polishing disc respectively, and the first electric push rod is equipped between trapezoidal frame. The face changing mechanism contains connecting plate, second electric push rod, connecting block, rubber wheel and second motor, and the connecting block is equipped with optical fiber sensor, and the optical fiber sensor is electrically connected with controller. The equipment overcomes the problem of traditional process procedure dispersion, manual intervention is more, and the big error, realizes continuous conveying, automatic detection to position, automatic face changing and synchronous grinding and polishing, reduces manual operation, promotes processing efficiency and product consistency, and protects the surface of crystal light ball.

Description

Technical Field

[0001] This utility model relates to the technical field of grinding and polishing equipment, specifically a multi-station integrated machine for grinding and polishing crystal sphere blanks. Background Technology

[0002] As a key component in high-end decorative and optical element fields, the processing quality of crystal spheres directly affects the final value of the product. Traditional crystal sphere blank grinding and polishing processes have significant drawbacks: the processes are fragmented, requiring manual transfer of the blanks between grinding and polishing equipment, which is not only time-consuming but also prone to surface scratches and damage due to improper manual operation; clamping and positioning rely on manual adjustment, resulting in large errors and poor consistency within the same batch of products; furthermore, traditional equipment is not designed with structures adapted to the characteristics of crystal spheres—"spherical surfaces are easily damaged and require uniform processing"—leading to localized over- or under-processing during grinding and polishing. Additionally, the lack of automated detection and linkage control necessitates manual judgment of blank placement, resulting in long waiting times and severely restricting the industry's large-scale production efficiency and product qualification rate.

[0003] To address this, a multi-station integrated machine for grinding and polishing crystal sphere blanks is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a multi-station integrated machine for grinding and polishing crystal sphere blanks, in order to solve the problems mentioned in the background art, such as the dispersed processes, frequent manual transfer, and large clamping and positioning errors in the traditional crystal sphere blank grinding and polishing process, which leads to low processing efficiency, poor product consistency, and easy scratches and damage to the surface of the crystal spheres due to improper manual operation, thus restricting the large-scale production of the industry.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A multi-station crystal sphere blank grinding and polishing integrated machine includes a conveyor. A thickened pad is protruding and fixedly installed on the middle section of the outer surface of the conveyor belt. Multiple sets of ball grooves are equidistantly opened on the surface of the thickened pad along the length direction. The two ends of two sets of ball grooves can be horizontally opposite to the face-changing mechanism, which is fixedly installed on both ends of the conveyor housing.

[0006] Preferably, two sets of mounting brackets are fixedly installed on the upper surface of the conveyor. A trapezoidal frame is fixedly installed on the inner end of each of the two sets of mounting brackets. A guide rail block is fixedly installed inside the trapezoidal frame. A guide rail frame is slidably fitted on the outer surface of the guide rail block. The guide rail frame is fixedly installed on the outer surface of the first motor, so that the two sets of the first motors can slide vertically up and down along the outer surface of the guide rail block through the guide rail frame.

[0007] Preferably, the output shafts of both sets of the first motors extend into the mounting bracket, and a grinding disc and a polishing disc are fixedly mounted on the ends of the output shafts respectively; the grinding disc and the polishing disc are perpendicular to the ball groove, and the grinding disc and the polishing disc are located directly above the two sets of face-changing mechanisms respectively.

[0008] Preferably, a first electric push rod is fixedly installed between the two sets of trapezoidal frames, and a Y-shaped frame is fixedly installed on the upper surface of the piston rod of the first electric push rod. The two ends of the Y-shaped frame are respectively fixedly connected to the upper surface of the first motor.

[0009] Preferably, the face-changing mechanism includes four sets of connecting plates, which are fixedly installed at both ends of the conveyor housing in pairs. A second electric push rod is fixedly installed on the upper surface of each set of connecting plates, and a connecting block is fixedly installed at the piston rod end of the second electric push rod. An arc groove is opened at one end of each connecting block facing the ball groove, so that the two sets of horizontally opposite connecting blocks can be pushed into the ball groove by the piston rod of the second electric push rod and touch the two ends of the outer surface of the crystal ball.

[0010] Preferably, a rubber wheel is rotatably mounted at one end of the connecting block near the arc groove. Part of the rubber wheel is rotatably disposed within the arc groove and can contact the outer surface of the crystal ball together with the push of the connecting block. Synchronous pulleys are fixedly mounted at the ends of the shafts at both ends of the rubber wheel. A synchronous belt is fitted onto the outer surface of the synchronous pulley. The other end of the synchronous belt is fitted onto a synchronous pulley fixedly mounted on the outer surface of the output shaft of the second motor. The second motor is embedded and fixedly mounted inside the connecting block.

[0011] Preferably, an optical fiber sensor is fixedly installed on the upper surface of the connecting block near the end of the arc groove, and the signal transmitting end of the optical fiber sensor is electrically connected to the signal receiving end of the controller; the control output end of the controller is electrically connected to the electrical control end of the first motor, the second motor, the first electric push rod, the second electric push rod and the conveyor respectively; the optical fiber sensor is model WLL80+LL3-TG01 and the controller is model AVRMEGA128.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. Achieve continuous and large-scale production: With the help of conveyors and multiple sets of ball troughs, the blanks can be continuously transported to the grinding and polishing station, and the grinding and polishing stations can operate simultaneously, forming a complete production line of "loading-grinding-polishing-unloading", reducing the gap between processes and greatly improving production efficiency; there is no need for manual handling of blanks, avoiding damage and time consumption during the handling process. 2. Improve automation and reduce manual intervention: The fiber optic sensor and controller work together to automatically detect the blank in place, eliminating the need for manual observation and judgment; the face-changing mechanism uses a second electric push rod and a second motor to automatically press and roll the blank for face changing, while the first electric push rod automatically adjusts the position of the grinding and polishing components. The entire process only requires manual loading and unloading, reducing the intensity of manual operation and errors. 3. Ensuring Processing Quality and Product Consistency: The ball groove limits the blank, and the guide blocks and frames guide the grinding and polishing components, ensuring precise alignment between the grinding and polishing components and the blank; the soft rubber wheels avoid scratching the surface when contacting the blank and drive the blank to roll evenly, allowing the grinding and polishing discs to cover the entire spherical surface, reducing local processing defects; the controller centrally controls the actions of each component, ensuring consistent processing parameters for blanks in the same batch and improving the product qualification rate; 4. Optimize equipment structure and extend service life: The second motor is embedded in the connecting block, which can prevent processing dust and other impurities from entering the motor and extend its service life; the thickened pad enhances the support strength of the conveyor belt, prevents the conveyor belt from being deformed locally due to the weight of the blank, and improves the durability of the conveyor; the coordinated design of each moving part (such as guide block and guide frame, synchronous pulley and synchronous belt) ensures stable power transmission and reduces component wear. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the multi-station crystal ball blank grinding and polishing integrated machine of this utility model; Figure 2 This is a schematic diagram of the structure of the first motor and the first electric push rod of this utility model; Figure 3 This is a schematic diagram of the face-changing mechanism and ball groove of this utility model.

[0014] In the diagram: 1. Conveyor; 101. Thickened pad; 102. Ball trough; 103. Mounting frame; 104. Trapezoidal frame; 105. First electric push rod; 106. First motor; 107. Guide rail block; 108. Guide rail frame; 109. Grinding disc; 110. Polishing disc; 2. Face changing mechanism; 201. Connecting plate; 202. Second electric push rod; 203. Connecting block; 204. Rubber wheel; 205. Second motor; 206. Fiber optic sensor. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figures 1-3 This embodiment provides a multi-station crystal ball blank grinding and polishing integrated machine, including a conveyor 1. A thickened pad 101 is protruding and fixedly installed on the middle section of the outer surface of the conveyor belt of the conveyor 1. Multiple sets of ball grooves 102 are equidistantly opened on the surface of the thickened pad 101 along the length direction. The two ends of two sets of ball grooves 102 can be horizontally opposite to the face-changing mechanism 2, which is fixedly installed on both ends of the housing of the conveyor 1.

[0017] The conveyor belt of the conveyor 1 has a thickened pad 101 protruding and fixed in the middle section of its outer surface. This enhances the support strength of the corresponding area of ​​the conveyor belt, prevents local deformation of the conveyor belt due to the weight of the crystal ball blank, and ensures the stability of the conveying process. Multiple sets of ball grooves 102 are equidistantly opened on the surface of the thickened pad 101. These grooves can position and limit the crystal ball blank, preventing it from shifting during conveying and ensuring the positional accuracy of the blank when it reaches the processing position. The face-changing mechanism 2 is fixed at both ends of the conveyor 1 housing and can be horizontally opposite to the two sets of ball grooves 102. This allows the face-changing mechanism 2 to act directly on the blank in the ball grooves 102, completing the face-changing operation without transferring the blank. This reduces the transfer steps in the process connection and improves the continuity of processing.

[0018] Specifically, in this embodiment, two sets of mounting brackets 103 are fixedly installed on the upper surface of the conveyor 1. Trapezoidal frames 104 are fixedly installed on the inner ends of both sets of mounting brackets 103. Guide rail blocks 107 are fixedly installed inside the trapezoidal frames 104. Guide rail frames 108 are slidably sleeved on the outer surface of the guide rail blocks 107. The guide rail frames 108 are fixedly installed on the outer surface of the first motor 106, so that the two sets of first motors 106 can slide vertically up and down along the outer surface of the guide rail blocks 107 through the guide rail frames 108. Two sets of mounting brackets 103 fixed on the upper surface of the conveyor 1 provide a stable mounting foundation for the trapezoidal frame 104, ensuring the reliability of the subsequent installation of grinding and polishing components. The guide rail block 107 fixed inside the trapezoidal frame 104 slides in cooperation with the guide rail frame 108 fixed on the outer surface of the first motor 106, providing precise guidance for the up and down movement of the first motor 106, avoiding deviation when the first motor 106 moves, and ensuring that the grinding and polishing components driven by the first motor 106 can be accurately aligned with the blank in the ball groove 102 below. Through the fixed connection between the guide rail frame 108 and the first motor 106, the first motor 106 can slide vertically along the guide rail block 107, providing structural support for the subsequent adjustment of the distance between the grinding and polishing components and the blank, and meeting the position requirements of the grinding and polishing components at different processing stages.

[0019] Specifically, in this embodiment, the output shafts of the two sets of first motors 106 extend into the mounting bracket 103, and the ends of the output shafts are respectively fixedly mounted with a grinding disc 109 and a polishing disc 110; the grinding disc 109 and the polishing disc 110 can be perpendicularly opposite to the ball groove 102, and the grinding disc 109 and the polishing disc 110 are respectively located directly above the two sets of face-changing mechanisms 2. The output shaft of the first motor 106 extends into the mounting bracket 103, and the ends are respectively fixed to the grinding disc 109 and the polishing disc 110. The first motor 106 can provide rotational power to the grinding disc 109 and the polishing disc 110, ensuring that the grinding disc 109 has sufficient force to remove the blank excess, and the polishing disc 110 has sufficient speed to ensure the surface smoothness of the blank. The grinding disc 109 and the polishing disc 110 can be perpendicular to the ball groove 102, so that the grinding and polishing force can be accurately applied to the blank in the ball groove 102, ensuring that the grinding and polishing area evenly covers the blank to be processed, and improving the uniformity of grinding and polishing. The grinding disc 109 and the polishing disc 110 are respectively located above the two sets of face-changing mechanisms 2. After the face-changing mechanism 2 completes the face-changing of the blank, the grinding and polishing component can immediately process the blank after face-changing, reducing the waiting time between face-changing and processing, and improving processing efficiency.

[0020] Specifically, in this embodiment, a first electric push rod 105 is fixedly installed between two sets of trapezoidal frames 104. A Y-shaped frame is fixedly installed on the upper surface of the piston rod of the first electric push rod 105, and the two ends of the Y-shaped frame are respectively fixedly connected to the upper surface of the first motor 106. The first electric push rod 105 fixed between the two sets of trapezoidal frames 104 obtains stable support through the trapezoidal frames 104 to avoid shaking during operation. The two ends of the Y-shaped frame fixed on the upper surface of the piston rod of the first electric push rod 105 are connected to the first motor 106. The first electric push rod 105 can drive the Y-shaped frame to move up and down through the extension and retraction of the piston rod, thereby driving the first motor 106 to move synchronously, realizing the automatic adjustment of the position of the first motor 106 without manual operation and reducing human intervention. The Y-shaped frame can synchronously transmit the power of the first electric push rod 105 to the two sets of first motors 106, ensuring the synchronicity of the movement of the two sets of first motors 106, avoiding the misalignment between the polishing parts and the blank due to asynchronous motor movement, and ensuring the consistency of the polishing process.

[0021] Specifically, in this embodiment, the face-changing mechanism 2 includes four sets of connecting plates 201, which are fixedly installed at both ends of the housing of the conveyor 1 in pairs. A second electric push rod 202 is fixedly installed on the upper surface of each set of connecting plates 201, and a connecting block 203 is fixedly installed at the piston rod end of the second electric push rod 202. An arc groove is opened at one end of each connecting block 203 facing the ball groove 102, so that the two sets of horizontally opposite connecting blocks 203 can be pushed into the ball groove 102 by the extension and retraction of the piston rod of the second electric push rod 202 and touch the two ends of the outer surface of the crystal ball. Four sets of connecting plates 201 are fixed in two groups at both ends of the conveyor 1 housing, providing a stable mounting carrier for the second electric push rod 202 and ensuring the positional stability of the second electric push rod 202 during operation. The connecting block 203 fixed at the piston rod end of the second electric push rod 202 can be pushed or pulled out into the ball groove 102 by the extension and retraction of the second electric push rod 202, which has a high degree of automation and reduces manual operation. The arc groove opened on the end of the connecting block 203 facing the ball groove 102 can be adapted to the outer surface of the crystal ball blank, increasing the contact area and avoiding damage to the blank surface due to excessive local pressure. At the same time, it improves the top contact limiting effect on the blank and prevents the blank from shifting during the face changing process. When the connecting block 203 is pushed into the ball groove 102 and touches the blank, it can position and fix the blank, providing a stable foundation for subsequent face changing operations and ensuring that the blank will not fall out of the ball groove 102.

[0022] Specifically, in this embodiment, a rubber wheel 204 is rotatably mounted on one end of the connecting block 203 near the arc groove. Part of the rubber wheel 204 is rotatably disposed in the arc groove and can touch the outer surface of the crystal ball together with the push of the connecting block 203. Synchronous pulleys are fixedly mounted on the shaft ends of the rubber wheel 204, and a synchronous belt is fitted on the outer surface of the synchronous pulley. The other end of the synchronous belt is fitted on the synchronous pulley fixedly mounted on the outer surface of the output shaft of the second motor 205. The second motor 205 is embedded and fixedly mounted inside the connecting block 203. The rubber wheel 204, rotatably mounted within the connecting block 203, is soft and avoids scratching the surface of the blank when in contact with it, protecting the machined surface. The shafts at both ends of the rubber wheel 204 and the synchronous pulleys fixed to the output shaft of the second motor 205, along with the included synchronous belt, stably transmit the power of the second motor 205 to the rubber wheel 204, causing it to rotate. As the rubber wheel 204 rotates, the friction between it and the blank surface causes the blank to tumble within the ball groove 102, achieving automatic blank changing without manual turning, thus improving changing efficiency and accuracy. The second motor 205 is embedded within the connecting block 203, reducing the space occupied by the motor and making the overall structure of the changing mechanism 2 more compact. It also protects the motor from processing dust and other impurities, extending its service life.

[0023] Specifically, in this embodiment, an optical fiber sensor 206 is fixedly installed on the upper surface of the connecting block 203 near the end of the arc groove. The signal transmitting end of the optical fiber sensor 206 is electrically connected to the signal receiving end of the controller. The control output end of the controller is electrically connected to the electrical control end of the first motor 106, the second motor 205, the first electric push rod 105, the second electric push rod 202, and the conveyor 1, respectively. The optical fiber sensor 206 is model WLL80+LL3-TG01, and the controller is model AVRMEGA128. The fiber optic sensor 206, fixed to the upper surface of the connecting block 203, can detect in real time whether the blank in the ball groove 102 is in place and transmit the signal to the controller, realizing automatic detection of blank placement without manual observation and judgment, reducing manual intervention and avoiding delays or errors caused by manual judgment. After receiving the signal from the fiber optic sensor 206, the controller can synchronously control the operation of the first motor 106, the second motor 205, the first electric push rod 105, the second electric push rod 202, and the conveyor 1, realizing the linkage of each component, ensuring smooth process connection, reducing waiting time in each stage, and improving overall processing efficiency. By centrally controlling each component through the controller, the coordination and accuracy of the actions of each component can be guaranteed, avoiding processing errors caused by asynchronous actions and improving processing quality. The clearly defined fiber optic sensor 206 and controller ensure the stability and reliability of equipment control, avoiding detection or control failures due to insufficient sensor or controller performance, and ensuring long-term stable operation of the equipment.

[0024] Specifically, in this embodiment, the dimensions and material of the thickened pad 101 are illustrated as follows: I. Example Dimensions (Based on common crystal sphere blank processing scenarios) The dimensions of the thickened pad 101 need to be compatible with the specifications of the conveyor belt of conveyor 1, the dimensions of the crystal ball blank, and the layout requirements of the ball groove 102. The specific design needs to be differentiated based on the blank specifications. For small-sized crystal spheres (blank diameter 50-100mm), the length of the thickened pad 101 is typically 800-1200mm, the width is 200-300mm, and the thickness is 15-20mm. The corresponding dimensions of the ball groove 102 should meet the following requirements: groove depth 25-50mm (groove depth controlled at 1 / 2-1 / 3 of the blank diameter to prevent the blank from falling off during transport or processing), groove opening diameter 2-5mm larger than blank diameter (leaving a certain gap for easy blank handling); the spacing of the ball grooves 102 is set at 80-120mm to ensure that blanks in adjacent ball grooves 102 do not interfere with each other during processing.

[0025] For medium to large-sized crystal spheres (blank diameter 100-200mm), the length of the thickened pad 101 needs to be increased to 1200-1800mm, the width to 300-500mm, and the thickness to 20-30mm (increasing the thickness to improve support strength and prevent deformation when bearing larger blanks); the groove depth of the ball groove 102 is set to 50-100mm (also 1 / 2-1 / 3 of the blank diameter), and the groove opening diameter is 3-8mm larger than the blank diameter (because the blank size is larger, the gap needs to be appropriately enlarged to ensure convenient handling); the spacing of the ball grooves 102 needs to be adjusted to 150-200mm to prevent adjacent interference problems during the processing of medium to large-sized blanks.

[0026] It should be noted that the above dimensions are not fixed values. In actual applications, they can be flexibly adjusted according to the width of the conveyor belt of conveyor 1 (usually 300-800mm) and the batch specifications of the crystal ball blanks. The basic requirement is that "the ball groove 102 can stably limit the blank + the thickened pad 101 does not exceed the edge of the conveyor belt".

[0027] II. Sample Materials Thickened pad 101 must simultaneously possess the characteristics of "bearing the weight of the blank without deformation", "long-term friction and wear resistance", and "minor cushioning to prevent the blank from bumping". The following are three typical applicable materials and suitable scenarios: 1. Nitrile butadiene rubber (NBR) Nitrile rubber has a Shore hardness of 60-70 HA, exhibiting excellent abrasion resistance, 3-5 times that of ordinary natural rubber. It also possesses oil and aging resistance, making it suitable for long-term use. Furthermore, its inherent elasticity cushions the impact of placing blanks, preventing surface damage from bumps. This material is suitable for processing crystal sphere blanks under normal operating conditions (temperature range -20℃ to 80℃), and is particularly suitable for workshop environments where conveyor belts may come into contact with small amounts of oil.

[0028] 2. Polyurethane elastomer (PU) Polyurethane elastomers have a Shore hardness of 70-85HA, balancing rigidity and elasticity. Their support is superior to ordinary rubber, and when the thickness meets requirements, they can support blanks weighing 5-10kg without deformation. Their abrasion resistance coefficient is 2-3 times that of rubber, making them resistant to wear over long-term use. Furthermore, their smooth surface is easy to clean, reducing frictional scratches between the blank and the 102 spherical groove wall. This type of material is suitable for processing medium to large-sized crystal sphere blanks (weighing 1-5kg) where high support is required, or for processing optical-grade crystal spheres where high cleanliness is required.

[0029] 3. High-density polyethylene (HDPE) High-density polyethylene (HDPE) has a Shore hardness of D60-70, exhibiting extremely high rigidity. A thickness of only 20mm can support blanks weighing over 10kg without deformation. It also boasts excellent wear resistance and chemical corrosion resistance, along with a low surface friction coefficient, allowing the blank to easily tumble slightly within the ball groove 102 via the face-changing mechanism 2. This type of material is suitable for high-temperature conditions (temperature range -40℃ to 120℃) or polishing scenarios requiring frequent cleaning (such as using water-based coolants), and is particularly suitable for batch processing of heavy crystal sphere blanks.

[0030] Working principle: 1. Conveying and positioning principle: The conveyor belt of the conveyor 1 has a thickened pad 101 fixed in the middle section. Multiple sets of ball grooves 102 are opened at equal intervals on its surface to limit the crystal ball blank and prevent it from deviating during conveying. The conveyor 1 drives the blank in the ball groove 102 to pass through the grinding station and polishing station in sequence, providing a basis for continuous processing.

[0031] 2. Position detection and linkage control principle: A fiber optic sensor 206 is fixed on the connecting block 203 of the face-changing mechanism 2. When the ball groove 102 moves the blank to the grinding and polishing station and is horizontally opposite to the face-changing mechanism 2, the fiber optic sensor 206 detects the blank and transmits the signal to the controller. The controller synchronously controls the conveyor 1 to stop conveying and starts the face-changing mechanism 2 and the grinding and polishing assembly to achieve seamless connection of "detection-stop conveying-processing".

[0032] 3. Automatic face-changing principle: The four sets of connecting plates 201 of the face-changing mechanism 2 fix the second electric push rod 202. The second electric push rod 202 pushes the connecting block 203 into the ball groove 102. The rubber wheel 204 in the arc groove of the connecting block 203 touches the blank. The second motor 205 drives the rubber wheel 204 to rotate through the synchronous pulley and synchronous belt. The rubber wheel 204 drives the blank to roll in the ball groove 102 by means of friction with the blank, so as to realize automatic face-changing without manual flipping.

[0033] 4. Grinding and polishing adjustment principle: The mounting bracket 103 on the conveyor 1 fixes the trapezoidal frame 104. The guide rail block 107 inside the trapezoidal frame 104 slides with the guide rail frame 108 outside the first motor 106, providing vertical movement guidance for the first motor 106. The first electric push rod 105 between the two sets of trapezoidal frames 104 drives the first motor 106 to move up and down through the Y-shaped frame, thereby adjusting the distance between the grinding disc 109 and polishing disc 110 on the output shaft of the first motor 106 and the blank, realizing precise control of grinding and polishing pressure. Moreover, the grinding disc 109 and polishing disc 110 correspond to the two sets of face-changing mechanisms 2, which can simultaneously perform grinding and polishing operations on different blanks.

[0034] How to use: 1. Material preparation: Place the crystal ball blanks to be processed one by one into the ball groove 102 of the thickened pad 101 of the conveyor belt of conveyor 1, ensuring that the blanks are placed stably in the ball groove 102 without deviation.

[0035] 2. Start the conveyor: Start the conveyor 1. The conveyor belt drives the blank in the thickened pad 101 and ball groove 102 to move towards the grinding station. At this time, the fiber optic sensor 206 is in real-time detection state, waiting for the blank to arrive signal.

[0036] 3. Grinding Station Operation: When a set of ball grooves 102 moves the blank to the grinding station and is horizontally aligned with the corresponding face-changing mechanism 2, the fiber optic sensor 206 detects the blank and transmits a signal to the controller. The controller immediately stops the conveyor 1 and simultaneously activates the second electric push rod 202 of the face-changing mechanism 2 at that station, pushing the connecting block 203 into the ball groove 102 so that the rubber wheel 204 touches the blank. Then, the second motor 205 is activated, driving the rubber wheel 204 to rotate through the synchronous pulley and synchronous belt, thereby causing the blank to tumble in the ball groove 102. At the same time, the first electric push rod 105 is activated, driving the first motor 106 to move downward along the guide rail block 107 so that the grinding disc 109 contacts the surface of the blank. The first motor 106 is activated, and the grinding disc 109 rotates to grind the blank. During the grinding process, the contact pressure between the grinding disc 109 and the blank can be finely adjusted by the first electric push rod 105, and the spherical surface can be uniformly ground in conjunction with the tumbling of the blank.

[0037] 4. Polishing Station Operation: After grinding is completed, the controller controls the first electric push rod 105 to drive the grinding disc 109 to reset, the second motor 205 stops running, and the second electric push rod 202 drives the connecting block 203 to exit the ball groove 102; then the controller starts the conveyor 1 to transport the ground blank to the polishing station, and at the same time another set of blanks to be ground moves synchronously to the grinding station, repeating the grinding operation of step 3; when the ground blank reaches the polishing station and is horizontally aligned with the corresponding face-changing mechanism 2, the fiber optic sensor 206 detects that it is in position again, the controller controls the conveyor 1 to stop transporting, and the face-changing mechanism 2 repeats the action of pressing and driving the blank to roll; at the same time, the first electric push rod 105 drives the first motor 106 of the polishing station to move down, so that the polishing disc 110 contacts the blank, and the first motor 106 is started to perform the polishing operation.

[0038] 5. Unloading and circulation: After polishing, each component is reset under the control of the controller, and conveyor 1 is started to transport the polished blank to the unloading area; subsequent blanks repeat the "grinding-polishing" process in sequence to achieve continuous processing.

[0039] Technical effects: 1. Achieve continuous and large-scale production: With the cooperation of conveyor 1 and multiple sets of ball troughs 102, the blanks can be continuously transported to the grinding and polishing station, and the grinding station and polishing station can operate simultaneously to form a complete production line of "feeding-grinding-polishing-unloading", reducing the gap between processes and greatly improving production efficiency; there is no need for manual transfer of blanks, avoiding damage and time consumption during the transfer process.

[0040] 2. Improve automation and reduce manual intervention: The fiber optic sensor 206 is linked with the controller to realize automatic detection of the blank in place, without the need for manual observation and judgment; the face-changing mechanism 2 realizes automatic pressing and blank tumbling face changing through the second electric push rod 202 and the second motor 205, and the first electric push rod 105 automatically adjusts the position of the grinding and polishing components. The entire process only requires manual loading and unloading, reducing the intensity of manual operation and error.

[0041] 3. Ensuring processing quality and product consistency: The ball groove 102 limits the blank, and the guide block 107 and guide frame 108 guide the grinding and polishing components, ensuring precise alignment between the grinding and polishing components and the blank; the rubber wheel 204 is soft and avoids scratching the surface when it touches the blank, and drives the blank to roll evenly, so that the grinding disc 109 and polishing disc 110 can cover all areas of the spherical surface, reducing local processing defects; the controller centrally controls the actions of each component to ensure that the processing parameters of blanks in the same batch are consistent, thereby improving the product qualification rate.

[0042] 4. Optimize equipment structure and extend service life: The second motor 205 is embedded in the connecting block 203, which can prevent processing dust and other impurities from entering the motor and extend the service life of the motor; the thickened pad 101 enhances the support strength of the conveyor belt, prevents the conveyor belt from being deformed locally due to the weight of the blank, and improves the durability of the conveyor 1; the cooperative design of each moving part (such as the guide block 107 and guide frame 108, synchronous pulley and synchronous belt) ensures stable power transmission and reduces component wear.

[0043] All parts not described in this utility model are the same as or can be implemented using existing technology. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-station integrated machine for grinding and polishing crystal sphere blanks, characterized in that, The conveyor includes a thickened pad protruding and fixedly installed on the middle section of the outer surface of the conveyor belt. Multiple sets of ball grooves are equidistantly opened on the surface of the thickened pad along the length direction. The two ends of two sets of ball grooves can be horizontally opposite to the face-changing mechanism, which is fixedly installed on both ends of the conveyor casing.

2. The multi-station crystal sphere blank grinding and polishing integrated machine according to claim 1, characterized in that, Two sets of mounting brackets are fixedly installed on the upper surface of the conveyor. A trapezoidal frame is fixedly installed on the inner end of each set of mounting brackets. A guide rail block is fixedly installed inside the trapezoidal frame. A guide rail frame is slidably fitted on the outer surface of the guide rail block. The guide rail frame is fixedly installed on the outer surface of the first motor, so that the two sets of the first motors can slide vertically up and down along the outer surface of the guide rail block through the guide rail frame.

3. The multi-station crystal sphere blank grinding and polishing integrated machine according to claim 2, characterized in that, The output shafts of both sets of the first motors extend into the mounting bracket, and a grinding disc and a polishing disc are fixedly mounted on the ends of the output shafts respectively; the grinding disc and the polishing disc are perpendicular to the ball groove, and the grinding disc and the polishing disc are located directly above the two sets of face-changing mechanisms respectively.

4. The multi-station crystal sphere blank grinding and polishing integrated machine according to claim 2, characterized in that, A first electric push rod is fixedly installed between the two sets of trapezoidal frames. A Y-shaped frame is fixedly installed on the upper surface of the piston rod of the first electric push rod. The two ends of the Y-shaped frame are respectively fixedly connected to the upper surface of the first motor.

5. The multi-station crystal sphere blank grinding and polishing integrated machine according to claim 1, characterized in that, The face-changing mechanism includes four sets of connecting plates, which are fixedly installed at both ends of the conveyor housing in pairs. A second electric push rod is fixedly installed on the upper surface of each set of connecting plates, and a connecting block is fixedly installed at the piston rod end of the second electric push rod. An arc groove is opened at the end of each connecting block facing the ball groove, so that the two sets of horizontally opposite connecting blocks can be pushed into the ball groove by the extension and retraction of the piston rod of the second electric push rod and touch the two ends of the outer surface of the crystal ball.

6. The multi-station crystal sphere blank grinding and polishing integrated machine according to claim 5, characterized in that, A rubber wheel is rotatably mounted on one end of the connecting block near the arc groove. Part of the rubber wheel is rotatably located within the arc groove and can press against the outer surface of the crystal ball together with the push of the connecting block. Synchronous pulleys are fixedly mounted on the ends of the shafts at both ends of the rubber wheel. A synchronous belt is fitted on the outer surface of the synchronous pulley. The other end of the synchronous belt is fitted onto a synchronous pulley fixedly mounted on the outer surface of the output shaft of the second motor. The second motor is embedded and fixedly mounted inside the connecting block.

7. The multi-station crystal sphere blank grinding and polishing integrated machine according to claim 5, characterized in that, A fiber optic sensor is fixedly installed on the upper surface of the connecting block near the end of the arc groove. The signal transmitting end of the fiber optic sensor is electrically connected to the signal receiving end of the controller. The control output end of the controller is electrically connected to the electrical control end of the first motor, the second motor, the first electric push rod, the second electric push rod, and the conveyor, respectively.

Images