Positioning components and surface turning equipment

Abstract

This utility model relates to the field of workpiece processing technology, and discloses a positioning component and a turning device. The positioning component includes a base plate assembly. At least one workpiece groove is formed on the first side plate of the base plate assembly. The workpiece groove is used for embedding and fixing the first end of the workpiece while exposing the second end for processing. An air supply connector is formed on the base plate assembly, and an air outlet is provided in the workpiece groove. The air supply connector and the air outlet are connected by an air duct. This design combines versatility and safety, achieving reliable workpiece fixation while simplifying the structure, avoiding stress damage during the turning process, and adapting to the load-bearing and turning requirements of workpieces of different shapes. It solves the technical problem that existing fixtures have limited applicability and are prone to workpiece damage during movement.

Description

Technical Field

[0001] This utility model relates to the field of workpiece processing technology, and in particular, to a positioning component for a surface turning device. Furthermore, this utility model also relates to a surface turning device including the aforementioned positioning component. Background Technology

[0002] In the fields of workpiece conveying, processing, and cleaning technology, automated workpiece flipping is often required to facilitate subsequent processing. Taking deburring, grinding, or spraying of metal, glass, and plastic workpieces as examples, after processing or cleaning one side, the workpiece needs to be flipped to process the other side. In existing technologies, flipping machines are commonly used to achieve this operation, and the fixture, as the core component supporting the workpiece, directly affects processing efficiency and finished product quality.

[0003] Traditional fixtures mostly use mechanical clamping or fixing pins to position the workpiece. They have a simple structure and are only suitable for fixing regular workpieces, which limits their application range. If no positioning method is used and the workpiece is allowed to move freely in the space with the fixture, it is easy for the workpiece to collide and cause stress concentration damage. Utility Model Content

[0004] This utility model provides a positioning component and a turning device that combines versatility and safety. It can reliably fix the workpiece while simplifying the structure, avoid stress damage during the turning process, and adapt to the load-bearing and turning requirements of workpieces of different shapes. This solves the technical problem that existing fixtures have limited applicability and are prone to workpiece damage during the movement of the workpiece.

[0005] According to one aspect of the present invention, a positioning component is provided, including a base plate assembly. At least one workpiece groove is provided on the first side plate of the base plate assembly. The workpiece groove is used for embedding and fixing the first end of the workpiece and exposing the second end of the workpiece to facilitate processing of the second end. An air supply connector is provided on the base plate assembly, and an air outlet is provided in the workpiece groove. The air supply connector and the air outlet are connected by an air duct.

[0006] Furthermore, the workpiece groove is provided with an inclined wall surface, which is used to cooperate with the inclined surface of the workpiece.

[0007] Furthermore, a clearance groove is provided in the workpiece groove. The clearance groove is used to match the corner of the workpiece to avoid stress concentration damage at the corner of the workpiece.

[0008] Furthermore, the air vents in the workpiece groove are located on the inclined wall surface and / or in the clearance groove.

[0009] Furthermore, multiple workpiece slots are provided on the first side plate of the base plate assembly, with adjacent workpiece slots having the same or different shapes; the air vents in the workpiece slots are connected to the air supply connectors through air ducts.

[0010] Furthermore, the base plate assembly includes a base plate and a template. The workpiece groove is arranged on the template, the air supply connector is arranged on the base plate, and the template is detachably and sealed to the base plate, so that the air duct in the template is connected to the air duct in the base plate.

[0011] Furthermore, an installation orientation structure and / or a sealing ring are provided between the substrate and the template.

[0012] According to another aspect of the present invention, a surface turning device is also provided, which includes the above-mentioned positioning components. The positioning components are provided in two sets, and the workpiece grooves of the two sets of positioning components are arranged in a relatively interlocking manner, and the workpiece grooves of the two sets of positioning components are arranged in a one-to-one correspondence.

[0013] Furthermore, the turning device also includes a rotating seat, a support, and a drive device; two sets of rotating seats are arranged opposite to each other on the support, and two sets of positioning components that are locked together are fixedly connected between the two sets of rotating seats. The power output end of the drive device is connected to the rotating seat to drive the rotating seat to rotate the positioning components.

[0014] Furthermore, the rotating seat is connected to the air supply connector of the positioning component via a fixed connector. The rotating seat is equipped with a gas connector, which is connected to the fixed connector via an air passage inside the rotating seat and is connected to the air supply connector via the fixed connector. The rotating device also includes a gas device, which is connected to the gas connector to deliver gas to the gas connector or to draw gas through the gas connector to generate negative pressure.

[0015] This utility model has the following beneficial effects:

[0016] This utility model positioning component has at least one workpiece groove on the first side plate of the base plate assembly. The first end of the workpiece is embedded into the workpiece groove to achieve rapid workpiece positioning, and the second end of the workpiece is exposed to ensure that there is no obstruction when clamping, transferring, processing or cleaning the exposed area, thus improving accessibility. It is especially suitable for deep hole and irregular surface processing. The exposed second end can effectively avoid interference to the processing surface as in traditional mechanical clamping, reduce processing blind spots caused by clamping arm obstruction, and improve yield. The embedded fixation enables rapid clamping of the workpiece, reduces manual adjustment time, and improves work efficiency. The air supply connector connects to the air inlet inside the workpiece groove through the air duct. The air supply connector also has the functions of sealing the connection with the transmission part and guiding the airflow, realizing the dynamic sealing connection between the air circuit and the mechanical transmission. Even during the flipping process, it can continue to supply or suck air. Combined with the positive and negative pressure airflow switching of the air supply connector, in the negative pressure mode, the workpiece is pressed tightly against the workpiece groove by suction, which enhances the fixation stability and prevents displacement during flipping. In the positive pressure mode, residual waste is blown away or the workpiece is demolded, realizing the full automation of the positioning-cleaning-demolding process. In addition, when the positioning component receives and carries the workpiece, the introduction of micro-airflow can also support and assist the workpiece to fall slowly, avoiding the workpiece from impact damage. When surface-treating a workpiece or when it needs to be rotated, the gas supply at the air inlet is switched to negative pressure suction mode. Negative pressure adsorbs the workpiece, ensuring it remains stably fixed within the workpiece slot. After rotation or when transfer is required, positive pressure gas (such as compressed air) is introduced through the air inlet. Directional blowing from the air vents removes debris and dust from the workpiece slot in real time, preventing accumulation that could affect positioning accuracy. Additionally, the airflow gently agitates the workpiece to facilitate its removal from the slot. Through modular template design, multi-slot design, and air vent layout, the system supports mixed-batch production of irregularly shaped parts. It uses non-contact negative pressure adsorption instead of mechanical clamping, combined with embedded positioning in the workpiece slot, offering both versatility and safety. This simplified structure ensures reliable workpiece fixation, avoids stress damage during rotation, and adapts to the load-bearing and rotation requirements of workpieces of different shapes.

[0017] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description

[0018] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0019] Figure 1 This is a cross-sectional structural diagram of the positioning component according to a preferred embodiment of the present invention;

[0020] Figure 2 This is a schematic diagram of the external structure of the positioning component according to a preferred embodiment of the present invention;

[0021] Figure 3 This is a schematic diagram of the structure of the rotating surface device according to a preferred embodiment of the present invention.

[0022] Legend:

[0023] 100. Base plate assembly; 101. Workpiece groove; 1011. Sloping wall surface; 1012. Clearance groove; 102. Air supply connector; 103. Air outlet; 104. Air duct; 105. Base plate; 106. Template; 200. Installation orientation structure; 300. Sealing ring; 400. Positioning assembly; 500. Rotary seat; 501. Gas connector; 502. Air duct; 600. Support; 700. Drive device; 800. Fixed connector. Detailed Implementation

[0024] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered below.

[0025] Figure 1 This is a cross-sectional structural diagram of the positioning component according to a preferred embodiment of the present invention; Figure 2 This is a schematic diagram of the external structure of the positioning component according to a preferred embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of the rotating surface device according to a preferred embodiment of the present invention.

[0026] like Figure 1 and Figure 2As shown, the positioning component of this embodiment includes a base plate assembly 100. At least one workpiece groove 101 is formed on the first side plate of the base plate assembly 100. The workpiece groove 101 is used for embedding and fixing the first end of the workpiece while exposing the second end for processing. An air supply connector 102 is formed on the base plate assembly 100, and an air outlet 103 is provided inside the workpiece groove 101. The air supply connector 102 and the air outlet 103 are connected by an air duct 104. In this positioning component, the first side plate of the base plate assembly 100 has at least one workpiece groove 101. The first end of the workpiece is embedded into the workpiece groove 101 to achieve rapid workpiece positioning. The second end of the workpiece is exposed to ensure unobstructed clamping, transfer, processing, or cleaning of the exposed area, improving accessibility, especially suitable for deep hole and irregular surface processing. The exposed second end effectively avoids interference with the processing surface as with traditional mechanical clamping, reduces processing blind spots caused by clamping arms, and improves yield. Embedded fixing enables rapid workpiece clamping, reducing manual adjustment time and improving work efficiency. The air supply connector 102 is connected to the air outlet 103 in the workpiece groove 101 through the air duct 104. The air supply connector 102 also has the function of sealing the connection with the transmission part and guiding the airflow, realizing the dynamic sealing connection between the air circuit and the mechanical transmission, so that air can be continuously supplied or sucked even during the flipping process. Combined with the positive and negative pressure airflow switching of the air supply connector 102, the negative pressure mode uses suction to make the workpiece stick tightly to the workpiece groove 101, enhancing the fixation stability and preventing displacement during flipping; the positive pressure mode blows away residual waste or assists in demolding the workpiece, realizing the full automation of the positioning-cleaning-demolding process. In addition, when the positioning component accepts and carries the workpiece, the introduction of micro airflow can also support and assist the workpiece to fall slowly, avoiding the workpiece from being damaged by impact. When surface treatment is performed on the workpiece or when the workpiece needs to be rotated, the gas supply at the air supply connector 102 is switched to negative pressure suction mode. The workpiece is adsorbed by negative pressure to ensure that it is stably fixed in the workpiece slot 101. After the workpiece is rotated or needs to be transferred, positive pressure gas (such as compressed air) is introduced through the air supply connector 102. The air outlet 103 blows in a directional manner to remove debris and dust from the workpiece slot 101 in real time, preventing accumulation from affecting the positioning accuracy. In addition, the airflow gently blows the workpiece to facilitate its removal from the workpiece slot 101. Through modular template design, multi-slot design and air outlet layout design, it supports the production of irregularly shaped parts and multiple batches on mixed production lines. It uses non-contact negative pressure adsorption to replace mechanical clamping and fixation. Combined with the embedded positioning of the workpiece slot 101, it has both versatility and safety. It can achieve reliable fixation of workpieces while simplifying the structure, avoid stress damage during the flipping process, and adapt to the load-bearing and flipping requirements of workpieces of different shapes.

[0027] like Figure 1 and Figure 3As shown, in this embodiment, the workpiece groove 101 is provided with an inclined wall surface 1011, which is used to mate with the inclined surface of the workpiece. The inclined wall surface 1011 and the inclined surface of the workpiece are geometrically matched; when the inclined surface of the workpiece contacts the inclined wall surface 1011, under the action of gravity or external pressure, the workpiece automatically slides along the inclined wall surface 1011 to a preset reference position, reducing manual adjustment steps, which is especially suitable for asymmetrical workpieces such as conical and wedge-shaped workpieces; compared with planar contact, the inclined surface mating increases the effective contact area between the workpiece and the groove wall, disperses stress, and avoids excessive local pressure that could cause deformation of thin-walled workpieces or breakage of brittle workpieces; the inclined wall surface 1011 serves as a positioning reference to ensure that different batches of workpieces are properly positioned. The consistent clamping posture within the slot reduces errors caused by positioning mistakes. The angle of the inclined wall 1011 can be designed as a variable to match the target workpiece. By customizing the inclination angle of the inclined wall 1011, it is compatible with irregularly shaped workpieces such as tapered pins and dovetail tenons, solving the problem that traditional rectangular slots cannot fix irregular shapes. As a bearing surface, the inclined wall 1011, after flipping, allows the workpiece to adhere to the inclined wall 1011, reducing the space height from which the workpiece falls after flipping and reducing the impact force and damage caused by the impact force during the flipping process. The air outlet 103 blows along the inclined wall 1011, forming a wall-adhering airflow that efficiently removes debris from the gap between the inclined wall 1011 and the workpiece, preventing debris accumulation from affecting positioning accuracy. When the air outlet 103 is used for suction, the tight fit between the inclined wall 1011 and the workpiece reduces air leakage, improves negative pressure adsorption efficiency, and ensures that the workpiece does not shift during high-speed flipping. The 1011 inclined wall design optimizes geometric constraints and reconstructs mechanical properties. The inclined surface replaces rigid clamping, eliminates stress concentration points, and reduces workpiece breakage rate. The self-centering function reduces manual intervention and supports continuous operation of unmanned production lines. It is adaptable to the multi-process processing needs of irregular parts, brittle parts, and high-precision parts, and significantly improves the equipment's versatility.

[0028] like Figure 1 and Figure 3As shown, in this embodiment, a clearance groove 1012 is provided in the workpiece groove 101. The clearance groove 1012 is used to match the corner of the workpiece to avoid stress concentration damage at the corner. The clearance groove 1012 is geometrically matched with the corner of the workpiece to form a non-contact gap. Compared with the direct contact between the corner of the workpiece and the groove wall in traditional carriers (especially acute angle contact), which leads to a sharp increase in local stress, the clearance groove 1012 of this utility model eliminates mechanical contact points by reserving space to match the shape of the corner (such as rounded corners, chamfers, or irregular grooves), so that the load is evenly distributed on the effective contact surface (such as a plane or inclined wall) between the workpiece and the groove wall, avoiding micro-cracks or fractures caused by stress concentration in brittle materials (such as glass, ceramics, and precision castings). Under the conditions of flipping or vibration, the clearance groove 1012 provides a buffer space to prevent the workpiece from hard collision with the groove wall due to inertial displacement, thereby reducing the breakage rate of the workpiece. For workpieces requiring corners as machining references, the clearance groove 1012 prevents deformation of the reference surface during clamping, ensuring dimensional consistency in subsequent machining. Compared to traditional fixtures where corner pressure can lead to overall posture shift, the clearance groove 1012 of this invention eliminates corner contact forces, ensuring workpiece positioning solely through designed contact surfaces, significantly improving clamping repeatability. For multi-corner, asymmetrical workpieces, the clearance groove 1012 achieves full-enclosed non-contact positioning through customized contours (such as star-shaped grooves or polygonal clearances), overcoming the limitation of traditional fixtures supporting only regular geometric workpieces. For thin-walled parts, the clearance groove 1012 prevents corner areas from being squeezed and deformed during clamping, reducing workpiece flatness loss. The 1012 clearance groove design eliminates stress concentration points through geometric clearance and mechanical reconstruction, reducing the breakage rate of brittle workpieces such as glass and ceramics during clamping; it protects the machining reference surface and ensures micron-level machining accuracy (such as the positioning accuracy requirements before coating optical lenses); it supports efficient machining of irregularly shaped parts, thin-walled parts, and multi-process workpieces, and the equipment's versatility can cover irregular workpiece types.

[0029] like Figure 1 and Figure 3As shown, in this embodiment, the air vent 103 in the workpiece groove 101 is located on the inclined wall surface 1011 and / or in the clearance groove 1012. When the air vent 103 is located on the inclined wall surface 1011, it forms an airflow channel with the inclined surface of the workpiece. During processing, the positive pressure airflow blows along the gap between the inclined wall surface 1011 and the workpiece, pushing the debris directly from the workpiece positioning surface to the open area, avoiding debris retention that affects positioning accuracy. When the positioning component 400 needs to receive the workpiece that has been flipped and fallen, the micro-airflow generated by the air vent 103 can slow down the speed and force of the workpiece falling, allowing the workpiece to smoothly adhere to the inclined wall surface 1011. In suction mode, the air vent 103 on the inclined wall surface 1011 forms an adhesive negative pressure zone, which increases the adsorption area of ​​the contact surface to ensure that the workpiece does not shift under high-speed flipping and vibration conditions. When the air vent 103 is located in the clearance groove 1012 and corresponds to the non-contact area of ​​the workpiece corner, the air vent 103 of the clearance groove 1012 targets the traditional cleaning blind spot and uses the vortex effect (the airflow forms a vortex in the clearance groove 1012) to suck up and discharge debris, solving the problem of secondary pollution from fine particles (such as glass dust and metal cutting chips) and improving cleaning efficiency. During the flipping process, the air vent 103 of the clearance groove 1012 continuously inputs low-pressure airflow, forming an air film buffer layer between the workpiece corner and the groove wall, avoiding stress concentration caused by inertial collision of the workpiece, and can significantly reduce the breakage rate of brittle workpieces (such as ceramic plates). When air vents 103 are simultaneously positioned on the inclined wall 1011 and the clearance groove 1012, the air vents 103 on the inclined wall 1011 remove debris from the main contact surface, while the air vents 103 on the clearance groove 1012 handle corner residues, achieving omnidirectional cleaning of the workpiece clamping area and meeting the requirements for high-cleanliness processing. In negative pressure mode, the adsorption force of the inclined wall 1011 provides the main fixing force, and the airflow of the clearance groove 1012 assists in constraining the workpiece corners, forming a three-dimensional pneumatic clamping, which can stably fix even workpieces with smooth surfaces (such as polished metal or glass). The position of the air vents 103 can be designed and adjusted for different workpiece structures. By adjusting the ratio of air vents 103 on the inclined wall 1011 and the clearance groove 1012 (e.g., for conical workpieces, increase the density of air vents 103 on the inclined wall 1011; for multi-corner workpieces, strengthen the air vents 103 on the clearance groove 1012), a single positioning component 400 can adapt to more types of irregularly shaped workpieces, reducing the development cost of special fixtures. The differentiated layout of the air vent 103 on the inclined wall 1011 and the clearance groove 1012, through airflow path optimization and mechanical coupling design, can achieve full-area airflow coverage, reduce the amount of debris residue, and meet the high cleanliness standards of semiconductors, optical devices, etc.; the pneumatic clamping force dynamically matches the geometric characteristics of the workpiece, thereby improving the workpiece clamping stability; it can reduce the breakage rate of brittle parts and reduce the amount of thermal deformation during the processing of metal parts, and expand the process applicability to more types of workpieces (metals, glass, ceramics, resins, composite materials).

[0030] like Figure 1 and Figure 3As shown, in this embodiment, the first side panel of the base plate 100 has multiple workpiece slots 101. Adjacent workpiece slots 101 have the same shape and / or different shapes. Air vents 103 within the workpiece slots 101 are connected to air supply connectors 102 via air ducts 104. The similar or different shapes of adjacent workpiece slots 101 support simultaneous processing of multiple workpieces. Slots 101 of the same shape enable batch processing of workpieces of the same specification, while slots 101 of different shapes support simultaneous processing of irregularly shaped workpieces, allowing for multiple workpieces to be clamped at once, thus increasing efficiency. The differences in shape between adjacent workpiece slots 101 (e.g., some are rectangular slots, others are V-shaped slots) adapt to process connection requirements, reducing workpiece turnover and shortening the production cycle. Through the combination design of workpiece slot 101 shapes (e.g., large slots nested within small slots), the utilization rate of the plate surface can be improved, reducing the area occupied per unit workstation (suitable for compact automated production lines). Different shapes of workpiece slots 101 are combined with differentiated air vent layouts to simultaneously achieve different functional requirements. The ability to process different workpieces on a mixed line can be improved, increasing the output per unit time, which is especially suitable for small-batch, multi-variety orders.

[0031] like Figure 1 and Figure 2As shown, in this embodiment, the base plate assembly 100 includes a base plate 105 and a template 106. A workpiece groove 101 is disposed on the template 106, and an air supply connector 102 is disposed on the base plate 105. The template 106 is detachably and sealed to the base plate 105, allowing the air duct 104 within the template 106 to communicate with the air duct 104 within the base plate 105. The workpiece groove 101 is disposed on the detachable template 106, and the base plate 105 is provided with an air supply connector 102. Both the template 106 and the base plate 105 contain air ducts 104. By replacing different templates 106 (such as V-shaped groove templates or irregular groove templates), a single device can adapt to more workpiece types without requiring a complete replacement of the carrier. Only dedicated templates need to be developed, reducing development costs and production line modification costs, making it particularly suitable for multi-variety, small-batch production. Template 106 can be independently disassembled and maintained separately from substrate 105. As a consumable part (affected by workpiece friction, debris impact, etc.), template 106 can be replaced or repaired separately, and substrate 105 does not need to be frequently disassembled with template 106, thus ensuring its lifespan. The air duct 104 between template 106 and substrate 105 only needs to be installed in place to match and connect, without manual calibration. The installation orientation structure 200, including positioning pins and keyways, forces the outlet / inlet of the air duct 104 between template 106 and substrate 105 to be coaxially aligned, eliminating human error in connection. After template 106 is installed, air duct 104 automatically opens, shortening equipment start-up time and improving production line utilization. Template 106 can be customized according to workpiece material characteristics and special requirements, improving workpiece clamping compatibility. Modular design reduces the remanufacturing of substrate 105. As a long-life component, template 106 can be replaced as needed, reducing material consumption and meeting green manufacturing standards. Precise air path connection reduces air pressure requirements, resulting in reduced overall air consumption.

[0032] like Figure 1As shown, in this embodiment, a mounting orientation structure 200 and / or a sealing ring 300 are provided between the substrate 105 and the template 106. The mounting orientation structure 200 (such as a positioning pin, keyway, or asymmetrical snap-fit) forcibly limits the relative mounting orientation of the template 106 and the substrate 105; mechanical limiting ensures the alignment of the air duct 104 of the template 106 with the air duct 104 of the substrate 105, preventing air path misalignment caused by manual alignment errors; the asymmetrical mounting orientation structure 200 (such as a trapezoidal pin + irregular groove) prevents the template 106 from being installed in reverse, avoiding equipment failure caused by misoperation; the mounting orientation structure 200 enables quick positioning and locking of the template 106, and through the cooperation of the guide pin and the conical positioning hole, it can shorten the installation time of the template 106, thereby supporting the minute-level changeover requirements of the production line. The mounting orientation structure 200, together with the locking mechanism (such as a quick-release handle), can reduce the displacement of the template 106 under vibration and flipping operations, ensuring stability under high-speed flipping conditions. The assembly gap between the substrate 105 and the template 106 is filled by a sealing ring 300 (such as an O-ring or a shaped sealing strip). The sealing ring 300 can compensate for the flatness error between the template 106 and the substrate 105, reducing the air pressure leakage rate of the air duct 104. In suction mode, the sealing ring 300 isolates external air from infiltration, maintains negative pressure fluctuations, and prevents the workpiece from shifting due to pressure fluctuations. The installation orientation structure 200 ensures positional accuracy, and the sealing ring 300 ensures airtightness.

[0033] like Figure 3 As shown, the face-turning device of this embodiment includes the aforementioned positioning components 400. Two sets of positioning components 400 are provided, with their workpiece grooves 101 arranged in a relatively interlocking manner, and the workpiece grooves 101 of the two sets of positioning components 400 are arranged in a one-to-one correspondence. The workpiece grooves 101 of the two sets of positioning components 400 engage to form a closed cavity that encloses the workpiece; the workpiece is geometrically limited by the double grooves, eliminating the vibration displacement of the suspended end caused by traditional single-sided clamping; the pressure of the contact surface of the double grooves is balanced, avoiding workpiece deformation caused by unilateral clamping; the two positioning components 400 rotate synchronously through a rigid linkage mechanism, resulting in a smaller deviation in the workpiece flipping angle, ensuring accurate position of the workpiece before and after flipping, and ensuring consistent flipping position for the same type of workpiece under different annotations; the symmetrical layout counteracts the centrifugal force of flipping, reducing the vibration amplitude of the equipment and meeting the vibration-sensitive conditions of high-precision machine tools. The air ducts 104 of the two positioning components 400 are independently controlled, allowing for separate opening and closing of the airflow, so that when one set of positioning components 400 is evacuating, the other set of positioning components 400 is blowing air. Before flipping, the dual workpiece slots 101 achieve downward suction and upward blowing to prevent the workpiece from falling off due to its own weight and from being damaged by impact after falling off. By customizing the shape of the dual workpiece slots 101, the gap between the workpiece and the slot wall is reduced to prevent shaking and collision during flipping; switching the dual-slot air pressure mode ensures uniform ejection force so that the workpiece can be detached without damage and fall from one workpiece slot 101 into the other workpiece slot 101 without damage.

[0034] like Figure 3 As shown, in this embodiment, the rotating device also includes a rotating base 500, a support 600, and a drive device 700. Two sets of rotating bases 500 are arranged opposite each other on the support 600, and two sets of positioning components 400 are fixedly connected between the two sets of rotating bases 500. The power output end of the drive device 700 is connected to the rotating base 500 to drive the rotating base 500 to rotate the positioning components 400. The drive device 700 (such as a servo motor) is directly connected to the rotating base 500 through a reducer, and the two rotating bases 500 rigidly and synchronously drive the positioning components 400. Closed-loop control reduces the rotation angle error and meets the phase alignment requirements for double-sided processing of precision workpieces (such as optical prisms). The two sets of rotating bases 500 are symmetrically arranged on the rigid support 600 to form a portal frame structure. The dual driving torques are symmetrically canceled, which reduces the vibration amplitude of the transmission system and ensures a micron-level processing environment. The rotating base 500 and the positioning components 400 are connected through standardized interfaces (such as flanges, Luer joints, and sleeves). Optionally, the bracket 600 has multiple mounting positions reserved, supporting the addition of a third and fourth rotary seat 500 to realize multi-station series connection (such as a four-station continuous flipping production line).

[0035] like Figure 3 As shown, in this embodiment, the rotating seat 500 is connected to the air supply connector 102 of the positioning assembly 400 via a fixed connector 800. The rotating seat 500 is equipped with a gas connector 501, which connects to the fixed connector 800 via an air passage 502 within the rotating seat 500 and is also connected to the air supply connector 102 via the fixed connector 800. The rotating device also includes a gas device connected to the gas connector 501 to deliver gas to or draw gas through the gas connector 501 to generate negative pressure. The gas connector 501 connects to the fixed connector 800 via the air passage 502 inside the rotating seat 500, enabling continuous air transmission during rotation. End-face sealing or magnetohydrodynamic sealing technology is used to reduce pressure loss and ensure stable negative pressure adsorption during the flipping process. Optionally, the gas device supports switching between positive pressure purging and negative pressure adsorption modes. Optionally, the gas device employs a combination of an air compressor and a vacuum pump, with the air compressor (positive pressure gas source) and the vacuum pump (negative pressure gas source) connected in parallel via a three-way valve and sharing a common gas delivery pipeline. Optionally, the gas device uses an integrated positive and negative pressure pump, such as a vortex pump or screw pump that integrates positive and negative pressure chambers, and switches the airflow mode via an internal valve. Optionally, the air passage 502 of the rotating seat 500 adopts a streamlined design.

[0036] Any matters not covered in this utility model are common knowledge.

[0037] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

[0039] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A positioning component, characterized in that, The base plate assembly (100) includes a base plate assembly (100), on the first side plate surface of the base plate assembly (100) at least one workpiece groove (101), the workpiece groove (101) is used for the first end of the workpiece to be embedded and fixed and the second end of the workpiece to be exposed so as to facilitate the processing of the second end; An air supply connector (102) is provided on the base plate assembly (100), and an air outlet (103) is provided in the workpiece groove (101). The air supply connector (102) and the air outlet (103) are connected by an air duct (104).

2. The positioning component according to claim 1, characterized in that, The workpiece groove (101) is provided with an inclined wall (1011), which is used to cooperate with the inclined surface of the workpiece.

3. The positioning component according to claim 2, characterized in that, An avoidance groove (1012) is provided in the workpiece groove (101). The avoidance groove (1012) is used to match the corner of the workpiece to avoid stress concentration damage at the corner of the workpiece.

4. The positioning component according to claim 3, characterized in that, The air vent (103) in the workpiece groove (101) is located on the inclined wall (1011) and / or in the clearance groove (1012).

5. The positioning component according to any one of claims 1 to 4, characterized in that, The first side plate of the base plate assembly (100) has multiple workpiece grooves (101), and the groove shapes of two adjacent workpiece grooves (101) are the same and / or the groove shapes of two adjacent workpiece grooves (101) are different. The air vents (103) in the workpiece groove (101) are connected to the air supply connector (102) through the air duct (104).

6. The positioning component according to any one of claims 1 to 4, characterized in that, The base plate assembly (100) includes a base plate (105) and a template (106). The workpiece groove (101) is arranged on the template (106), and the air supply connector (102) is arranged on the base plate (105). The template (106) is detachably and sealed to the base plate (105) and the air duct (104) in the template (106) is connected to the air duct (104) in the base plate (105).

7. The positioning component according to claim 6, characterized in that, An installation orientation structure (200) and / or a sealing ring (300) are provided between the substrate (105) and the template (106).

8. A surface turning device, characterized in that, The positioning component (400) includes any one of claims 1 to 7. The positioning component (400) is provided in two sets. The workpiece grooves (101) of the two sets of positioning components (400) are arranged in a relatively interlocking manner, and the workpiece grooves (101) of the two sets of positioning components (400) are arranged in a one-to-one correspondence.

9. The surface turning device according to claim 8, characterized in that, The rotating device also includes a rotating base (500), a support (600), and a drive unit (700); Two sets of rotating seats (500) are arranged opposite to each other on the bracket (600). Two sets of positioning components (400) are fixedly connected between the two sets of rotating seats (500). The power output end of the drive device (700) is connected to the rotating seat (500) to drive the rotating seat (500) to rotate the positioning component (400).

10. The surface turning device according to claim 9, characterized in that, The rotating seat (500) is connected to the air supply connector (102) of the positioning assembly (400) via the fixed connector (800). The rotating seat (500) is provided with a gas connector (501). The gas connector (501) is connected to the fixed connector (800) via the air passage (502) in the rotating seat (500) and is connected to the air supply connector (102) via the fixed connector (800). The rotating device also includes a gas device connected to a gas connector (501) to deliver gas to the gas connector (501) or to draw gas through the gas connector (501) to generate negative pressure.

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