Crystal glass laser internal engraving machine based on positioning structure

Abstract

The invention relates to the technical field of laser internal engraving, and discloses a crystal glass laser internal engraving machine based on a positioning structure, which comprises an air floating platform, the air floating platform is arranged on a working table of the laser internal engraving machine, the air floating platform comprises a base, the base is provided with a suspension seat, the suspension seat is of a disc-shaped cavity structure, and the positioning structure is arranged on the suspension seat. The suspension seat is connected with a positioning mechanism, and the base is connected with a balance mechanism which can be used for enabling the suspension seat to be rapidly balanced after suspension. The crystal glass laser internal engraving machine based on the positioning structure can effectively solve the problems that in the prior art, due to the fact that a traditional positioning mode cannot rapidly and accurately place an element at an ideal engraving position, the focusing process of the laser internal engraving machine is tedious and time-consuming, and when the traditional laser internal engraving machine works, the working efficiency is high. Vibration generated by a mechanical transmission system and the ground can be transmitted to a working table, so that the circular crystal glass element generates tiny vibration, and the conditions of deviation, blurring and the like of a laser internally-carved pattern are further caused.

Description

Technical Field

[0001] The invention relates to the technical field of laser inner engraving, and in particular to a crystal glass laser inner engraving machine based on a positioning structure. Background Art

[0002] In the manufacturing of high-end electronic products, as well as in fields such as optics and communications, some key components made of crystal glass elements, such as display screens, protective glass, and high-precision crystal glass optical elements, are extremely important for quality control and authenticity verification. To prevent product counterfeiting, manufacturers generally use laser engraving to engrave anti-counterfeiting labels. However, the thickness of these products and components is generally thin, which greatly limits the available space for laser engraving. To achieve high-precision engraving in a limited space, the laser engraving machine must achieve extremely high levels of control accuracy over the laser beam focus position. Even the slightest focus error may cause the engraved pattern to deviate from the expected position or fail to accurately engrave at a specific depth on the glass plate, seriously affecting product quality and anti-counterfeiting effectiveness.

[0003] There are currently some problems in processing circular crystal glass components through laser internal engraving. In the existing technology, there is a lack of efficient and accurate automatic positioning mechanism in the positioning link. The traditional positioning method is difficult to quickly and accurately place the circular crystal glass component to the ideal engraving position, which not only makes the focusing process of the laser internal engraving machine cumbersome and complicated, but also consumes a lot of time, and greatly reduces production efficiency, making it difficult to meet the needs of large-scale production. At the same time, during the operation of the traditional laser internal engraving machine, the vibration generated by the mechanical transmission system and the vibration transmitted from the ground will inevitably be transmitted to the workbench that carries the circular crystal glass component, which will cause the engraved pattern to deviate, become blurred, and other problems, seriously affecting the appearance and anti-counterfeiting performance of the product, increasing the defective rate of the product, and increasing production costs. Summary of the Invention

[0004] In response to the above-mentioned shortcomings of the prior art, the present invention provides a crystal glass laser internal engraving machine based on a positioning structure, which can effectively solve the problem in the prior art that the traditional positioning method cannot quickly and accurately place the component in the ideal engraving position, resulting in the laser internal engraving machine focusing process being cumbersome and time-consuming, greatly reducing production efficiency. When the traditional laser internal engraving machine is working, the vibration generated by the mechanical transmission system and the ground will be transmitted to the workbench, causing the circular crystal glass component to vibrate slightly, thereby causing the laser internal engraving pattern to deviate and become blurred, seriously affecting product quality and anti-counterfeiting effect, and increasing the defective rate and production cost.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] The present invention provides a crystal glass laser inner engraving machine based on a positioning structure, comprising:

[0007] An air flotation platform is arranged on the workbench of the laser inner engraving machine. The air flotation platform includes a base, on which a suspension seat is provided. The suspension seat is a disc-shaped cavity structure for supporting crystal glass elements. A positioning mechanism is connected to the suspension seat, and a balancing mechanism is connected to the base for quickly balancing the suspension seat after suspension.

[0008] Among them, the positioning mechanism includes a mounting groove, and a mounting groove is opened on the upper end surface of the suspension seat. The mounting groove is cross-shaped and a mounting seat is fixedly connected therein. A positioning component is connected to the mounting seat, which can be used to automatically center the crystal glass element on it when the suspension seat is suspended.

[0009] Furthermore, the balancing mechanism includes a connecting seat, which is evenly fixedly connected to the base along the circumference, and the lower end face of the horizontal section of the connecting seat is fixedly connected to a cylindrical mounting tube, and the lower end of the cylindrical mounting tube is connected to a pressing seat, and the lower ends of the multiple pressing seats are commonly fixedly connected to a pressing ring.

[0010] Furthermore, an inverted conical groove is provided through the lower end of the cylindrical mounting tube, the upper end of the pressing seat adopts an inverted conical design and is slidably connected in the inverted conical groove, the upper end of the pressing seat is also fixedly connected to magnet 1, and the connecting seat is fixedly connected to magnet 2 which magnetically repels magnet 1.

[0011] Furthermore, the positioning assembly includes a push plate, the mounting seat is cross-shaped and compatible with the cross-shaped mounting groove, and a push plate is installed in each straight section of the mounting seat along its length direction through a rotating rod, and the rotating rod is connected to the mounting seat through a torsion spring.

[0012] Furthermore, one of the two adjacent push plates located in the same straight line segment of the mounting seat has a groove on its upper end, the other has a protrusion on its upper end, and the length of the push plate above the rotating rod is shorter than the length below the rotating rod.

[0013] Furthermore, the lower ends of the straight sections of the mounting seats are rotatably connected to adjustment racks, and the connection between the adjustment racks and the mounting seats is close to the center of the suspension seat, and a weight is slidably connected to the adjustment racks.

[0014] Furthermore, the lower end of the weight block is fixedly connected to the spherical block through a telescopic rod, the lower end of the suspension seat is rotatably connected to the chassis, and the upper end surface of the chassis is evenly fixedly connected to four arc guide rails corresponding to the spherical blocks along the circumference, and the corresponding spherical blocks are slidably connected in the corresponding arc guide rails.

[0015] Furthermore, a round seat is rotatably connected to the center of the chassis, and four pushing members corresponding to the adjustment frame are evenly arranged on the round seat along the circumference, and the pushing members are slidably connected to the round seat.

[0016] Furthermore, the upper end surface of the mounting seat is evenly rollingly connected with a plurality of balls.

[0017] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0018] The mounting seat of the positioning mechanism in this embodiment is a cross-shaped seat, and a push plate is installed in each straight section thereof by rotating a rotating rod, and the rotating rod is connected to the mounting seat by a torsion spring, and the lower end of the straight section of the mounting seat is rotated to connect the adjusting frame, and the adjusting frame is slidably connected to the weight block, and the lower end of the weight block is connected to the spherical block by a telescopic rod, and the spherical block is slidably connected to the arc guide rail of the chassis, and a pushing member is provided on the round seat in the center of the chassis. After the crystal glass element is placed on the suspension seat, the air floating platform is started to make the suspension seat rise, and the pushing member cancels the restriction on the adjusting frame, and the adjustment frame deflects under the action of its own gravity, and the weight block slides and pushes the lower end of the push plate, so that the upper end of the push plate moves in the direction close to the center of the suspension seat, and forces are exerted simultaneously from four directions to push the crystal glass element to the center position of the suspension seat, thereby realizing automatic centering positioning of the crystal glass element with a circular outer contour within a certain size range on the suspension seat. Since the crystal glass element is located in the center of the suspension seat, the focusing process of the laser inner engraving machine does not need to spend a long time, which significantly improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0020] Figure 1 This is a schematic structural diagram of a crystal glass laser inner engraving machine based on a positioning structure of the present invention;

[0021] Figure 2 This is a structural diagram of the air floating platform, positioning mechanism, and balancing mechanism in a crystal glass laser inner engraving machine based on a positioning structure of the present invention;

[0022] Figure 3 This is an exploded view of the air floating platform, positioning mechanism, and balancing mechanism in a crystal glass laser inner engraving machine based on a positioning structure of the present invention;

[0023] Figure 4 This is a schematic structural diagram of a balancing mechanism in a crystal glass laser inner engraving machine based on a positioning structure of the present invention;

[0024] Figure 5 This is a structural schematic diagram of a positioning mechanism in a crystal glass laser inner engraving machine based on a positioning structure of the present invention;

[0025] Figure 6 For the present invention Figure 5 A partial enlarged view of point A in the middle;

[0026] Figure 7 It is a partial cross-sectional schematic diagram of a crystal glass laser inner engraving machine based on a positioning structure of the present invention;

[0027] Figure 8 The present invention is a schematic structural diagram of a mounting base and a positioning assembly in a crystal glass laser inner engraving machine based on a positioning structure.

[0028] The numbers in the figure represent: 1. air floating platform; 11. base; 12. suspension seat; 2. positioning mechanism; 21. mounting seat; 211. ball; 22. positioning assembly; 221. rotating rod; 2221. groove; 2222. protrusion; 222. push plate; 223. adjustment frame; 224. weight block; 225. telescopic rod; 226. spherical block; 227. chassis; 228. arc guide rail; 229. round seat; 2210. pusher; 3. balancing mechanism; 31. connecting seat; 32. cylindrical mounting cylinder; 321. inverted conical groove; 33. pressing seat; 34. pressing ring; 35. magnet one; 36. magnet two. DETAILED DESCRIPTION

[0029] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0030] The present invention will be further described below with reference to the embodiments.

[0031] Example:

[0032] See also Figure 1-Figure 3 The present invention provides a technical solution: a crystal glass laser inner engraving machine based on a positioning structure, comprising:

[0033] An air flotation platform 1 is provided on the workbench of the laser inner engraving machine. The air flotation platform 1 includes a base 11, on which a suspension seat 12 is provided. The suspension seat 12 is a disc-shaped cavity structure for supporting crystal glass elements. A positioning mechanism 2 is connected to the suspension seat 12, and a balancing mechanism 3 is connected to the base 11 for quickly balancing the suspension seat 12 after suspension.

[0034] Among them, the positioning mechanism 2 includes a mounting groove, and a mounting groove is opened on the upper end surface of the suspension seat 12. The mounting groove is cross-shaped and a mounting seat 21 is fixedly connected therein. The upper end surface of the mounting seat 21 is evenly rolled with multiple balls 211. A positioning component 22 is connected to the mounting seat 21, which can be used to automatically center the crystal glass element on it when the suspension seat 12 is suspended.

[0035] During specific operation, the crystal glass component to be processed is placed on the suspension seat 12 at a position relatively close to the middle through vacuum adsorption equipment. Under the action of the crystal glass component's own gravity, the part of the positioning mechanism 2 located below the crystal glass component will adaptively change. Then the air flotation platform 1 is started, causing the suspension seat 12 and the crystal glass component connected thereon to rise to a certain height synchronously, and then detach from the base 11 and float in the air.

[0036] During the rising process of the suspension seat 12, the lower end of the positioning mechanism 2 will gradually break free from the restriction of the base 11 and adaptively change, thereby pushing the crystal glass element to the center position of the suspension seat 12, realizing the automatic centering positioning of the crystal glass element. During this process, the ball 211 rollingly installed on the upper end surface of the mounting seat 21 will, on the one hand, prevent the crystal glass element from directly contacting the mounting seat 21 and causing damage to the contact surface. On the other hand, it will also make the crystal glass element slide more easily on the mounting seat 21, making it easier for the positioning component 22 to push it to the center of the suspension seat 12.

[0037] After the suspension seat 12 rises to a certain height, its upper end surface will contact the balancing mechanism 3 and quickly reach a horizontal stable state under the pressure of the balancing mechanism 3. At this time, the laser system of the laser engraving machine can be used to focus first, and then laser engraving can be performed. In this state, the suspension seat 12 is suspended in the air and does not contact the base 11. During the engraving process, the vibration generated by the mechanical transmission system or from the ground will not be transmitted to the suspension seat 12 and the crystal glass element, thereby ensuring the accuracy and stability of the laser engraving. At the same time, since the crystal glass element is located in the center of the suspension seat 12 under the push of the positioning component 22, the focusing process of the laser engraving machine does not need to take a long time compared to the focusing process of conventional coarse positioning or no positioning method, thereby significantly improving the processing efficiency.

[0038] It is worth noting that the above-mentioned air flotation platform 1 is an existing device, which uses the air flotation principle to suspend the suspension seat 12 and the workpiece together to achieve the purpose of shock absorption and easy operation. Its specific implementation process will not be repeated in the embodiment.

[0039] See also Figure 2-Figure 4The balancing mechanism 3 includes a connecting seat 31, and the connecting seat 31 is evenly fixedly connected to the base 11 along the circumferential direction. The lower end surface of the horizontal section of the connecting seat 31 is fixedly connected to a cylindrical mounting tube 32, and the lower end of the cylindrical mounting tube 32 is connected to a pressing seat 33, and the lower ends of the multiple pressing seats 33 are commonly fixedly connected to a pressing ring 34.

[0040] See also Figure 4 The lower end of the cylindrical mounting tube 32 is provided with an inverted conical groove 321, the upper end of the pressing seat 33 adopts an inverted conical design and is slidably connected in the inverted conical groove 321, the upper end of the pressing seat 33 is also fixedly connected to a magnet 1 35, and the connecting seat 31 is fixedly connected to a magnet 2 36 that magnetically repels the magnet 1 35.

[0041] During specific operation, before the suspension seat 12 is suspended, the pressing seat 33 is in a relatively lower position, and due to the action of the pressing ring 34 and its own gravity, as well as the repulsive force between the first magnet 35 and the second magnet 36, the conical surface of the upper end of the pressing seat 33 fits into the conical surface of the inner wall of the inverted conical groove 321, and the pressing ring 34 is in a horizontal state. After the suspension seat 12 is suspended to a certain height under the action of the air flotation platform 1, the upper end surface of the suspension seat 12 will contact the pressing ring 34 and drive the pressing ring 34 to move upward a small distance, thereby causing the suspension seat 12 to move upward relative to the cylindrical mounting tube 32, and the inverted conical structure at its upper end will disengage from the inverted conical groove 321, but due to the repulsive force between the first magnet 35 and the second magnet 36, the upper end of the pressing seat 33 cannot contact the second magnet 36, but will stabilize after rising to a certain height.

[0042] During the above process, the suspension seat 12 quickly reaches a horizontal equilibrium state due to the pressing action of the pressing ring 34, avoiding slight tilting due to the gravity of the crystal glass element. The pressing seat 33 is separated from the cylindrical mounting tube 32 under the action of the suspension seat 12. Therefore, during the laser engraving process, vibrations caused by the working of the mechanical transmission system or vibrations from the ground will not be transmitted to the pressing seat 33 and the pressing ring 34, thereby ensuring the stability of the laser engraving process.

[0043] See also Figure 5 and Figure 6 The positioning assembly 22 includes a push plate 222. The mounting seat 21 is a cross-shaped mounting groove adapted to the cross-shaped mounting groove, and a push plate 222 is rotatably installed in each straight section of the mounting seat 21 along its length direction through a rotating rod 221. The rotating rod 221 is connected to the mounting seat 21 through a torsion spring. Due to the action of the rotating rod 221 and the torsion spring, the push plate 222 is in an inclined state with the lower end relatively close to the center of the mounting seat 21 and the upper end relatively far away from the center of the mounting seat 21.

[0044] During specific operation, before the suspension seat 12 is suspended, after the crystal glass element is placed on the suspension seat 12, the push plate 222 located below the crystal glass element will be further tilted due to the gravity of the crystal glass element, and its upper end height will be lower than the upper end height of the mounting seat 21.

[0045] One of the two adjacent push plates 222 located in the same straight line segment of the mounting base 21 is provided with a groove 2221 on its upper end, and the other is provided with a protrusion 222 on its upper end to prevent one of the push plates 222 from interfering with the adjacent push plate 222 that is not pressed after it is further tilted under the pressure of the crystal glass element, and the length of the push plate 222 above the rotating rod 221 is shorter than the length below the rotating rod 221.

[0046] See also Figure 5-Figure 8 The lower end of the straight section of the mounting seat 21 is rotatably connected to the adjustment frame 223, and the connection between the adjustment frame 223 and the mounting seat 21 is close to the center of the suspension seat 12. The adjustment frame 223 is slidably connected to a weight block 224 along its length direction.

[0047] The lower end of the weight block 224 is fixedly connected to the spherical block 226 through a telescopic rod 225, and the lower end of the suspension seat 12 is rotatably connected to the chassis 227. The upper end surface of the chassis 227 is evenly and fixedly connected with four arc guide rails 228 corresponding to the spherical blocks 226 along the circumferential direction, and the corresponding spherical blocks 226 are slidably connected in the corresponding arc guide rails 228.

[0048] A round seat 229 is rotatably connected at the center of the chassis 227, and four pushing members 2210 corresponding to the adjustment frame 223 are evenly arranged on the round seat 229 along the circumference. The pushing member 2210 is composed of a Y-shaped frame and a waist-shaped block fixedly connected to the lower end of the Y-shaped frame and connected to the round seat 229 for sliding up and down. The two forked ends of the Y-shaped frame correspond to the longer straight sections of the adjustment frame 223 and adopt a bent design. The bending part of the forked end of the Y-shaped frame is close to the rotating connection between the adjustment frame 223 and the mounting seat 21.

[0049] During specific operation, after the crystal glass element is placed on the suspension seat 12 and before the suspension seat 12 is suspended, the push plate 222 located below the crystal glass element will be further tilted due to the gravity of the crystal glass element, and its upper end height will be lower than the upper end height of the mounting seat 21. The push plate 222 that is not pressed by the crystal glass element and is closest to the edge of the crystal glass element is in a tilted state with its lower end relatively close to the center of the mounting seat 21 and its upper end relatively away from the center of the mounting seat 21 under the action of the torsion spring and the rotating rod 221.

[0050] At the same time, the slider at the lower end of the pushing member 2210 abuts against the base 11 and is in a relatively upper state in the suspension seat 12. In this state, the upper end of the Y-shaped frame bend at the upper end of the pushing member 2210 abuts against the lower end of the adjusting frame 223, so that the pushing adjusting frame 223 is in an inclined state where the end close to the center of the mounting seat 21 is lower and the end away from the center of the mounting seat 21 is higher. The weight block 224 is at the lowest point of the adjusting frame 223 under the action of its own gravity, that is, the end of the adjusting frame 223 close to the center of the mounting seat 21. At this time, the telescopic rod 225 is in a retracted state, and the spherical block 226 is always slidably connected to the arc guide rail 228.

[0051] When the air flotation platform 1 is activated and the suspension seat 12 rises to a certain height, the lower end of the Y-shaped frame loses its support and slides downward relative to the suspension seat 12, thereby canceling the abutment effect on the lower end of the adjustment frame 223. Since the bend of the bifurcated end of the Y-shaped frame in the pushing member 2210 is located near the rotational connection between the adjustment frame 223 and the mounting seat 21, the Y-shaped frame only needs to slide a short distance downward relative to the suspension seat 12 to cancel the restraining effect on the adjustment frame 223 and restore a certain degree of freedom. The reason for this design is that when the suspension seat 12 is raised by air flotation, its rising height is limited. If the bend of the bifurcated end of the Y-shaped frame in the pushing member 2210 is located far away from the rotational connection between the adjustment frame 223 and the mounting seat 21, in order to restore the same degree of freedom of the adjustment frame 223, the downward displacement of the pushing member 2210 relative to the suspension seat 12 will also be relatively large, and the suspension seat 12 needs to rise to a relatively high height, which also places higher performance requirements on the air flotation platform 1.

[0052] When the suspension seat 12 rises to a certain height, the pushing member 2210 removes the restriction on the adjustment frame 223, allowing the adjustment frame 223 to recover a certain degree of freedom. Since the connection between the adjustment frame 223 and the mounting seat 21 is close to the center of the suspension seat 12, the force arm away from the center end is greater than the force arm close to the center end. When the pusher 2210 is lost, it is in an unbalanced state. Therefore, under the action of its own gravity, the end of the adjustment frame 223 away from the center of the suspension seat 12 will automatically deflect downward, and transform into an inclined state in which the end close to the center of the mounting seat 21 is higher and the end away from the center of the mounting seat 21 is lower. The weight block 224 slides from high to low under the action of its own gravity.

[0053] The push plate 222 below the crystal glass element is pressed by the gravity of the crystal glass element, and its upper end height will be lower than the upper end height of the mounting seat 21, and the lower end height will be higher than the lower end height of the mounting seat 21. During the sliding process from high to low, the weight block 224 will pass over the push plate 222 below the crystal glass element until it contacts the lower end of the first push plate 222 not pressed by the crystal glass element, and push its lower end to move in the direction away from the center of the suspension seat 12, thereby causing the upper end of the first push plate 222 not pressed by the crystal glass element to move in the direction close to the center of the suspension seat 12, pushing the crystal glass element closer to the center of the suspension seat 12. Since the length of the push plate 222 above the rotating rod 221 is shorter than the length below the rotating rod 221, when the corresponding push plate 222 is pushed by the weight block 224 to rotate with the rotating rod 221 as the rotation center, the lower end of the push plate 222 acts as a force-saving lever, and the weight block 224 does not need to apply a lot of force to rotate the push plate 222.

[0054] During the sliding process of the weight block 224 from high to low, the spherical block 226 will be driven to slide in the arc guide rail 228 through the telescopic rod 225, thereby driving the chassis 227 to rotate. The purpose of this design is to ensure that the displacement of the four weight blocks 224 from high to low is always the same, thereby pushing the upper ends of the corresponding four push plates 222 to approach the center of the suspension seat 12 synchronously, and simultaneously exerting force from four directions to push the crystal glass element to the center of the suspension seat 12, thereby realizing automatic centering of the crystal glass element with a circular outer contour within a certain size range on the suspension seat 12.

[0055] When the suspension seat 12 is suspended to a certain height and is in a horizontal and stable state under the pressing action of the pressing ring 34, the lower end of the suspension seat 12 is no longer in contact with the base 11, and the upper end of the pressing seat 33 is no longer in contact with the cylindrical mounting tube 32. Therefore, during the laser engraving process, the vibration of the mechanical transmission system or the vibration from the ground cannot be transmitted to the suspension seat 12 and the workpiece, thereby ensuring the stability of the laser engraving process and improving the laser engraving quality.

[0056] It is worth mentioning that the crystal glass laser engraving machine based on the positioning structure also has the following advantages:

[0057] Advantage 1: The suspension seat 12 in the air flotation platform 1 of this embodiment is a disc-shaped cavity structure that can support crystal glass components. When the air flotation platform 1 is started and the suspension seat 12 rises to a certain height and separates from the base 11 and floats in the air, the upper end surface of the suspension seat 12 will contact the pressing ring 34 of the balancing mechanism 3 and quickly reach a horizontal and stable state under the pressure of the pressing ring 34. Since the suspension seat 12 does not contact the base 11 when suspended, the vibration generated by the mechanical transmission system of the laser engraving machine or from the ground during the engraving process will not be transmitted to the suspension seat 12 and the crystal glass component, thereby ensuring the accuracy and stability of the laser engraving.

[0058] Advantage 2: The mounting seat 21 in the positioning mechanism 2 of this embodiment is cross-shaped, and a push plate 222 is installed in each straight segment thereof by rotating the rotating rod 221. After the crystal glass component is placed on the suspension seat 12, the air floating platform 1 is started to make the suspension seat 12 rise, and the pushing member 2210 cancels the restriction on the adjustment frame 223. The adjustment frame 223 deflects under the action of its own gravity, and the weight block 224 slides and pushes the lower end of the push plate 222 to move the upper end of the push plate 222 toward the center of the suspension seat 12. The four push plates 222 exert force from four directions at the same time to push the crystal glass component to the center position of the suspension seat 12, thereby realizing automatic centering positioning of the crystal glass component within a certain size range and with a circular outer contour on the suspension seat 12. Since the crystal glass component is located in the center of the suspension seat 12, the focusing process of the laser inner engraving machine does not need to take a long time, which significantly improves the processing efficiency.

[0059] Advantage three: In this embodiment, the upper end surface of the mounting seat 21 is evenly connected with multiple balls 211 for rolling. When the positioning component 22 pushes the crystal glass element to move on the mounting seat 21, the balls 211 avoid direct contact between the crystal glass element and the mounting seat 21, preventing damage to the contact surface. At the same time, the setting of the balls 211 makes it easier for the crystal glass element to slide on the mounting seat 21, making it easier for the positioning component 22 to push it to the center of the floating seat 12, thereby improving the smoothness and reliability of the positioning process.

[0060] The cam 33 is pressed against the top of the support frame 32 so that the support frame 32 is in a stable state when the cam 33 is in a stable state.

[0061] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A crystal glass laser engraving machine based on a positioning structure, characterized in that: include: An air-floating platform (1) is provided on a workbench of a laser inner engraving machine. The air-floating platform (1) comprises a base (11). A suspension seat (12) is provided on the base (11). The suspension seat (12) is a disc-shaped cavity structure for supporting a crystal glass element. A positioning mechanism (2) is connected to the suspension seat (12). A balancing mechanism (3) is connected to the base (11) for making the suspension seat (12) horizontally balanced after suspension. The positioning mechanism (2) includes a mounting groove, the upper end surface of the suspension seat (12) is provided with a mounting groove, the mounting groove is cross-shaped and a mounting seat (21) is fixedly connected therein, and a positioning component (22) is connected to the mounting seat (21) and can be used to automatically center the crystal glass element on the suspension seat (12) when the suspension seat (12) is suspended.

2. The crystal glass laser inner engraving machine based on the positioning structure according to claim 1, characterized in that: The balancing mechanism (3) includes a connecting seat (31), wherein a plurality of connecting seats (31) are fixedly connected to the base (11) uniformly along the circumferential direction, a columnar mounting cylinder (32) is fixedly connected to the lower end surface of the horizontal section of the connecting seat (31), a pressing seat (33) is connected to the lower end of the columnar mounting cylinder (32), and a pressing ring (34) is fixedly connected to the lower ends of the plurality of pressing seats (33).

3. The crystal glass laser inner engraving machine based on the positioning structure according to claim 2, characterized in that: The lower end of the columnar mounting cylinder (32) is provided with an inverted conical groove (321), the upper end of the pressing seat (33) is designed in an inverted conical shape and is slidably connected in the inverted conical groove (321), the upper end of the pressing seat (33) is also fixedly connected to a magnet 1 (35), and the connecting seat (31) is fixedly connected to a magnet 2 (36) that magnetically repels the magnet 1 (35).

4. The crystal glass laser inner engraving machine based on the positioning structure according to claim 1, characterized in that: The positioning assembly (22) includes a push plate (222), the mounting seat (21) is cross-shaped and matches the cross-shaped mounting groove, and each straight section of the mounting seat (21) is rotatably mounted with a push plate (222) along its length direction via a rotating rod (221), and the rotating rod (221) is connected to the mounting seat (21) via a torsion spring.

5. The crystal glass laser inner engraving machine based on the positioning structure according to claim 4, characterized in that: One of the two adjacent push plates (222) located in the same straight line segment of the mounting seat (21) has a groove (2221) provided on its upper end, and the other has a protrusion (2222) provided on its upper end, and the length of the push plate (222) above the rotating rod (221) is shorter than the length thereof below the rotating rod (221).

6. The crystal glass laser inner engraving machine based on the positioning structure according to claim 1, characterized in that: The lower ends of the straight sections of the mounting seat (21) are rotatably connected to an adjustment frame (223), and the connection between the adjustment frame (223) and the mounting seat (21) is close to the center of the suspension seat (12). A weight block (224) is slidably connected to the adjustment frame (223).

7. The crystal glass laser inner engraving machine based on the positioning structure according to claim 6, characterized in that: The lower end of the weight block (224) is fixedly connected to a spherical block (226) via a telescopic rod (225), and the lower end of the suspension seat (12) is rotatably connected to a chassis (227). The upper end surface of the chassis (227) is evenly and fixedly connected to four arc-shaped guide rails (228) corresponding to the spherical blocks (226) along the circumferential direction, and the corresponding spherical blocks (226) are slidably connected to the corresponding arc-shaped guide rails (228).

8. The crystal glass laser inner engraving machine based on the positioning structure according to claim 7, characterized in that: A round seat (229) is rotatably connected to the center of the chassis (227). Four pushers (2210) corresponding to the adjustment frame (223) are evenly arranged on the round seat (229) along the circumference. The pushers (2210) are slidably connected to the round seat (229).

9. The crystal glass laser inner engraving machine based on the positioning structure according to claim 1, characterized in that: The upper end surface of the mounting seat (21) is evenly and rollingly connected with a plurality of balls (211).

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