Intelligent sand blasting mechanism

Abstract

The invention relates to an intelligent sand blasting mechanism, which relates to the technical field of surface processing equipment and comprises a supporting base, a supporting frame, a placing frame, a sliding mechanism, a driving mechanism, a sand blasting machine bin and a sealing mechanism. A supporting frame is fixedly connected to the upper portion of the supporting base. The placing frame is arranged on the supporting frame; the sliding mechanism is arranged between the supporting frame and the placing frame; the driving mechanism is arranged between the supporting frame and the placing frame; the sand blasting machine bin is fixedly connected to the supporting frame, and a sand blasting mechanism used for treating workpieces on the containing frame is arranged in the sand blasting machine bin. And the sealing mechanism is arranged on the inner side of the sand blasting machine bin. The device has the effects of being high in production efficiency, high in automation degree, good in sealing effect and excellent in machining quality.

Description

Technical Field

[0001] This application relates to the field of surface processing equipment technology, and in particular to an intelligent sandblasting mechanism. Background Technology

[0002] Sandblasting is an indispensable surface treatment technology in modern industrial manufacturing, mainly used for deburring, rust removal, oxide scale removal, matte finishing, and surface strengthening of workpieces. With the increasing demands for production efficiency and environmental protection in the manufacturing industry, traditional intermittent manual sandblasting or simple box-type automatic sandblasting machines can no longer meet the needs of large-scale continuous production. Therefore, automated sandblasting production lines capable of automatic workpiece conveying and continuous operation are gradually becoming the industry mainstream.

[0003] However, in existing continuous or through-feed sandblasting equipment, there are significant technical limitations between the workpiece conveying mechanism and the fixed sandblasting chamber. The primary problem lies in sealing the movement gaps and controlling dust. To allow the workpiece carrier to pass smoothly through the sandblasting chamber, a certain physical gap must be maintained between the carrier and the chamber's inlet and outlet. Existing technologies typically use passive sealing methods such as rubber curtains, bristles, or labyrinth baffles to cover this gap. However, under the continuous impact of high-pressure airflow and high-speed abrasive, these flexible seals are prone to wear, aging, or deformation, leading to a rapid decline in sealing performance over time. Once the seal fails, fine dust and rebounding abrasive will leak out through the gaps, causing serious pollution to the working environment, endangering the respiratory health of operators, and increasing production material costs.

[0004] Secondly, many so-called automated equipment still operate on a stop-load-start mode. This means that during the sandblasting process, loading and unloading cannot be performed externally; the workpiece can only be changed after the sandblasting cycle ends and the hatch is opened. This intermittent operation results in significant idle time, severely hindering production cycle improvement. While some through-feed equipment achieves continuous conveying, it is often limited by the aforementioned sealing challenges, making it difficult to maintain stable operation for extended periods under high dust concentrations.

[0005] In view of the above-mentioned related technologies, the present invention provides an intelligent sandblasting mechanism to overcome the shortcomings of the prior art. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides an intelligent sandblasting mechanism that solves the problems of existing sandblasting equipment requiring machine stoppage during workpiece loading and unloading, resulting in discontinuous operation and low production efficiency, as well as the difficulty in ensuring sealing effect when switching between mobile conveying and closed operations.

[0007] To achieve the above objectives, the present invention provides the following technical solution: an intelligent sandblasting mechanism, comprising a support base, a support frame, a placement frame, a sliding mechanism, a driving mechanism, a sandblasting chamber, and a sealing mechanism. The support frame is fixedly connected above the support base, and a mounting plate is fixedly connected to the support frame. The placement frame is movably mounted on the support frame. The sliding mechanism is disposed between the support frame and the placement frame, supporting the placement frame to move along a predetermined trajectory on the support frame. The driving mechanism is disposed between the support frame and the placement frame, driving the placement frame to move. The sandblasting chamber is fixedly connected to the support frame, spanning above the placement frame, and contains a sandblasting mechanism for processing workpieces on the placement frame. The sealing mechanism is disposed inside the sandblasting chamber, cooperating with the placement frame to form a sealed space when the placement frame moves below the sandblasting chamber.

[0008] Preferably, the drive mechanism employs a lead screw drive to ensure movement accuracy. Specifically, it includes a first motor fixedly connected to the mounting plate, with a threaded rod extending along the length of the placement frame fixedly connected to the output end of the first motor; a ball nut with threaded engagement is fitted onto the threaded rod, and the ball nut is fixedly connected to the bottom of the placement frame. The first motor drives the threaded rod to rotate, utilizing the threaded pair transmission principle to drive the ball nut and the connected placement frame to perform linear reciprocating motion.

[0009] Preferably, the sliding mechanism ensures the smooth movement of the placement rack. Specifically, it includes a slide rail fixedly connected to the top of the support frame and a slider slidably connected to the outside of the slide rail. The placement rack is fixedly connected to the top of the slider, thereby restricting the placement rack to move only along the slide rail direction.

[0010] Preferably, the sealing mechanism adopts an active lifting structure to solve the dynamic sealing problem between the moving workpiece and the fixed chamber. The sealing mechanism includes a sealing ring slidably connected to the inside of the sandblasting chamber. Movable blocks are fixedly connected to both sides of the sealing ring, and these movable blocks are slidably connected to the inside of the sandblasting chamber to provide guidance. A support block is fixedly connected to the bottom of the inside of the sandblasting chamber, and a first electric push rod is fixedly connected to the top of the support block. Both ends of the sealing ring are fixedly connected to the output ends of the first electric push rod via connecting blocks. The first electric push rod drives the sealing ring to move vertically upwards and downwards.

[0011] Preferably, to achieve a tight seal in conjunction with the sealing mechanism, a sealing strip is fixedly connected to the outer side of the placement frame, and a sealing groove is formed in the middle of the sealing strip. When the placement frame is moved into position, the first electric push rod drives the sealing ring to move downward, so that the sealing ring engages and embeds into the sealing groove in the middle of the sealing strip, thereby forming a closed sealing space between the sandblasting chamber and the movable placement frame to prevent dust from overflowing.

[0012] Preferably, the sandblasting mechanism has multi-degree-of-freedom adjustment capabilities. It includes an electric guide rail mounted on the top inner side of the sandblasting chamber, and a slide table slidably connected to the outside of the electric guide rail, enabling lateral displacement of the sandblasting assembly. A fixing block is fixedly connected to the outside of the slide table, and a second electric push rod is fixedly connected to the center of the fixing block. A mounting bracket is fixedly connected to the output end of the second electric push rod for adjusting the vertical height of the spray gun. The spray gun is rotatably connected to the inside of the mounting bracket.

[0013] Preferably, the mounting frame has an oscillating mechanism inside for driving the spray gun to perform fan-shaped oscillating spraying, thereby improving the uniformity of sandblasting coverage. The oscillating mechanism includes a second motor fixedly connected to the inside of the mounting frame, with a turntable fixedly connected to the output end of the second motor; a rotating rod is rotatably connected to the outer eccentric position of the turntable, and a moving rod is rotatably connected to one end of the rotating rod; a fixed sleeve is rotatably connected to the inside of the mounting frame, and the moving rod is slidably connected inside the fixed sleeve, thereby converting the rotational motion of the turntable into the reciprocating extension and angular change motion of the moving rod within the fixed sleeve. A connecting rod is slidably connected to one end of the moving rod, and an oscillating rod is rotatably connected below the connecting rod, with the oscillating rod fixedly connected to the top of the spray gun. Through the transmission of the above-mentioned linkage mechanism, the spray gun can oscillate reciprocally around its connection point with the mounting frame. Furthermore, a protective cover is installed inside the mounting frame to cover the second motor and prevent damage to the motor from the abrasive.

[0014] Preferably, a door is provided on one side of the sandblasting machine chamber, which is used to open and close for internal inspection and maintenance of the equipment; a dust collection box is installed inside the support frame, which is connected to the sandblasting machine chamber and collects waste and dust generated during the sandblasting process using gravity or negative pressure.

[0015] Preferably, the placement rack has multiple mounting positions arranged side by side along its length, adopting a segmented operation mode. When the workpiece on one mounting position moves with the placement rack into the sandblasting chamber for sandblasting, the remaining mounting positions are located outside the sandblasting chamber for loading or unloading operations, thereby achieving continuous production.

[0016] In summary, this application includes at least one of the following beneficial technical effects:

[0017] 1. This invention, through the design of a long-stroke mobile carrier and multi-station parallel operation, breaks through the intermittent operation bottleneck of traditional sandblasting machines, which involves "stop-open-load-unload-close-start". During equipment operation, internal sandblasting operations and external loading and unloading operations overlap in time, ensuring that the equipment is always in an effective working state. This continuous sandblasting process significantly increases the workpiece throughput per unit time, achieving a leapfrog improvement in production efficiency;

[0018] 2. This invention employs an active compression sealing structure, capable of flexibly switching between contactless conveying and tight suction depending on the workpiece's conveying status. During sandblasting, this structure completely seals the gap between the carrier plate and the machine housing, effectively preventing high-speed abrasive and fine dust from leaking into the workshop environment. This not only reduces abrasive wear but, more importantly, significantly improves the air quality at the work site, effectively reducing the risk of operators inhaling dust and protecting occupational health.

[0019] 3. This invention, through continuous conveying and automatic sealing design, eliminates the need for operators to frequently move heavy sealing doors or delve into the machine compartment for adjustments. The externally open loading and unloading area is ergonomically designed, making loading and unloading operations more convenient and labor-saving. Furthermore, the highly intelligent automated process reduces the frequency and complexity of manual intervention, lowering the workload of workers in terms of both physical and mental exertion.

[0020] 4. This invention innovatively adopts a steep design with a large angle of 60° to 85°. This angle makes the operating table almost vertical, allowing operators to maintain a natural standing posture while operating, which is ergonomic; at the same time, the large tilt angle causes waste materials to slide off instantly under the action of gravity, completely solving the problem of dust accumulation in dead corners of flat equipment. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application;

[0022] Figure 2 This is a schematic diagram of the dust collection box structure according to an embodiment of this application;

[0023] Figure 3 This is a schematic diagram of the sandblasting machine chamber structure according to an embodiment of this application;

[0024] Figure 4 This is a schematic diagram of the placement rack structure according to an embodiment of this application;

[0025] Figure 5 This is a schematic diagram of the slide rail structure according to an embodiment of this application;

[0026] Figure 6 This is a schematic diagram of the start-up and drive mechanism structure according to an embodiment of this application;

[0027] Figure 7 This is a schematic diagram of the sealing mechanism structure according to an embodiment of this application;

[0028] Figure 8 This is a schematic diagram of the connecting block structure according to an embodiment of this application;

[0029] Figure 9 This is a schematic diagram of the mounting bracket structure according to an embodiment of this application;

[0030] Figure 10 This is a schematic diagram of the spray gun structure according to an embodiment of this application;

[0031] Explanation of reference numerals in the attached drawings: 1. Support base; 2. Support frame; 3. Placement frame; 4. Sandblasting machine chamber; 5. Slide rail; 6. First motor; 7. Chamber door; 8. Dust collection box; 9. Sealing strip; 10. Mounting frame; 11. Sealing ring; 12. Mounting plate; 13. Threaded rod; 14. Slider; 15. Ball nut; 16. Moving block; 17. Support block; 18. First electric push rod; 19. Connecting block; 20. Electric guide rail; 21. Slide table; 22. Spray gun; 23. Protective cover; 24. Second electric push rod; 25. Fixing block; 26. Second motor; 27. Turntable; 28. Rotating rod; 29. ​​Moving rod; 30. Fixing sleeve; 31. Connecting rod; 32. Swing rod. Detailed Implementation

[0032] The following is in conjunction with the appendix Figure 1 - Appendix Figure 10 This application will be described in further detail below.

[0033] Example:

[0034] Please see the appendix Figure 1 - Appendix Figure 10 This invention provides an intelligent sandblasting mechanism, including a support base 1, a support frame 2, a placement frame 3, a sandblasting chamber 4, and a driving mechanism and a sliding mechanism for driving the placement frame 3 to move.

[0035] The support base 1 is horizontally positioned on the ground, serving as the basic load-bearing component of the overall device. A support frame 2 is fixedly connected above the support base 1. The support frame 2 is a long strip structure that extends horizontally. A mounting plate 12 is fixedly connected to the support frame 2. This mounting plate 12 serves as the mounting base for the power source and is fixed to one end of the support frame 2 or at a preset position, maintaining a static state.

[0036] Specifically, the upper surface of the support frame 2 or its mounting reference surface is not horizontal, but forms a preset inclined angle between 60° and 85° with respect to the horizontal plane. Correspondingly, the placement rack 3, slide rail 5, and sandblasting chamber 4 mounted on the support frame 2 are all arranged according to this inclined angle. This overall inclined design has extremely important technical significance: First, waste sand, flaking scale, and dust generated during sandblasting will naturally slide down the inclined surface to the lower collection area due to gravity, greatly reducing the retention and accumulation of materials on the worktable, avoiding the problem of dust accumulation in dead corners common in flat machines, and reducing the frequency of manual cleaning. Second, for operators, the inclined table surface is more ergonomic, allowing for loading and unloading of workpieces in non-sealed areas without excessive bending or leaning, reducing labor intensity.

[0037] The placement rack 3 is used to carry the workpiece to be processed and is movably mounted above the support frame 2. A sliding mechanism is provided between the support frame 2 and the placement rack 3 to limit the degree of freedom of movement of the placement rack 3, so that it can only move linearly along the length direction of the support frame 2.

[0038] Specifically, the sliding mechanism includes a slide rail 5 and a slider 14. The slide rail 5 is fixedly connected to the top surface of the support frame 2 along its length, and the number of slide rails 5 can be set to two or more, arranged parallel to each other, depending on the load-bearing requirements. The slider 14 is slidably connected to the outside of the slide rail 5, and the top of the slider 14 is fixedly connected to the bottom of the placement frame 3. The relative displacement between the placement frame 3 and the support frame 2 is achieved through the sliding engagement of the slider 14 on the slide rail 5.

[0039] A drive mechanism is positioned between the support frame 2 and the placement frame 3 to provide the power required for the movement of the placement frame 3. The drive mechanism includes a first motor 6, a threaded rod 13, and a ball nut 15. The first motor 6 is fixedly connected to the mounting plate 12, and its output shaft is fixedly connected to one end of the threaded rod 13 via a coupling. The threaded rod 13 extends along the length of the placement frame 3 and is located in the space below the placement frame 3. A ball nut 15 is fitted onto the threaded rod 13, forming a threaded engagement. The outer side of the ball nut 15 is fixedly connected to the bottom of the placement frame 3. When the first motor 6 starts, its output shaft drives the threaded rod 13 to rotate in place. Because the rotational freedom of the ball nut 15 is restricted by the placement frame 3, the rotational motion of the threaded rod 13 is converted into linear movement of the ball nut 15 through the threaded pair, thereby driving the placement frame 3 to move forward or backward along the slide rail 5.

[0040] The sandblasting chamber 4 is fixedly connected to the support frame 2 and has a straddle-shaped layout, meaning that the sandblasting chamber 4 spans above the placement frame 3, allowing the placement frame 3 to pass through the space below the sandblasting chamber 4. The sandblasting chamber 4 defines a sandblasting operation space to accommodate the sandblasting mechanism and perform surface treatment on workpieces entering the area.

[0041] The placement rack 3 has multiple mounting positions arranged side by side along its length for placing workpieces to be sandblasted. Driven by the drive mechanism, the placement rack 3 can sequentially move the workpieces at different mounting positions into the sandblasting chamber 4.

[0042] This layout enables segmented continuous operation: when one mounting position and its loaded workpiece move into the sandblasting chamber 4 along with the placement frame 3 for sandblasting, the remaining mounting positions on the placement frame 3 are located outside the sandblasting chamber 4. At this time, operators or external robots can load or unload materials from other mounting positions outside the sandblasting chamber 4, thus achieving parallel processing of sandblasting and workpiece loading and unloading.

[0043] Please see the appendix Figure 5 - Appendix Figure 8 To address the problem of existing continuous sandblasting equipment struggling to achieve dynamic sealing during workpiece movement, leading to dust spillage and environmental pollution, as well as abrasive wear, this embodiment incorporates an active sealing mechanism inside the sandblasting chamber 4. The sealing mechanism is located in the lower inner area of ​​the sandblasting chamber 4, and its core components include a sealing ring 11, a moving block 16, a support block 17, a first electric push rod 18, and a connecting block 19.

[0044] The sealing ring 11 is rectangular and conforms to the cross-sectional shape of the placement frame 3. Its size is slightly larger than the outer contour of the placement frame 3 to maintain a gap with the placement frame 3 when not in operation, so as not to interfere with the movement of the placement frame 3. The sealing ring 11 is slidably connected to the inner wall of the sandblasting chamber 4. Specifically, the inner wall of the sandblasting chamber 4 is provided with a vertical guide groove, and movable blocks 16 are fixedly connected to the outer walls on both sides of the sealing ring 11. The movable blocks 16 form a sliding fit with the guide structure of the inner wall of the sandblasting chamber 4. This fit strictly restricts the displacement and rotation of the sealing ring 11 in the horizontal direction, so that it only has a single coordinate degree of freedom in the vertical direction, thereby ensuring the stability of the sealing ring 11 during the lifting process and avoiding tilting or jamming.

[0045] To provide the power required for the sealing action, a support block 17 is fixedly connected to the bottom inner side of the sandblasting chamber 4. The support block 17 serves as the mounting base for the power source and possesses sufficient structural strength. A first electric actuator 18 is vertically fixedly connected to the top plane of the support block 17. The first electric actuator 18 is a linear actuator with its output shaft extending vertically downwards. Connecting blocks 19 are fixedly connected to symmetrical positions at both ends of the sealing ring 11, and the connecting blocks 19 are fixedly connected to the output end of the first electric actuator 18. The extension or retraction of the output shaft of the first electric actuator 18 directly drives the connecting blocks 19 and the sealing ring 11 fixedly connected to them to perform vertical lifting and lowering movements inside the sandblasting chamber 4.

[0046] To achieve a tight physical seal with the sealing ring 11, a sealing strip 9 is fixedly connected to the outer wall of the mounting bracket 3. The sealing strip 9 extends along the length of the mounting bracket 3, covering the corresponding area of ​​all mounting positions, and is independently set for each mounting position. The sealing strip 9 is made of a wear-resistant material with a certain degree of elastic deformation capability. A continuous sealing groove is formed in the middle of the sealing strip 9 along its length, and the cross-sectional shape of the sealing groove matches the bottom edge shape of the sealing ring 11.

[0047] In the preparation stage before the sandblasting operation begins, after the placement frame 3 moves the workpiece to the processing position directly below the sandblasting chamber 4 and stops moving, the control system controls the first electric push rod 18 to extend its output shaft downwards. The sealing ring 11 then moves downwards until its bottom edge precisely embeds into the sealing groove of the sealing strip 9 on the side of the placement frame 3. At this point, the sealing ring 11 and the sealing strip 9 achieve physical contact sealing through an interference fit or tight contact, thus completely sealing the movement gap between the placement frame 3 and the sandblasting chamber 4, forming a sealed space isolated from the external environment. This structural design cleverly solves the contradiction between the need for clearance during movement and the need for sealing during operation.

[0048] Please see the appendix Figure 3 Appendix Figure 9 and attached Figure 10 Above the sealed space inside the sandblasting chamber 4, a sandblasting mechanism is installed to perform specific sandblasting operations. To adapt to the surface treatment needs of workpieces of different specifications, heights, and complexities, the sandblasting mechanism adopts a multi-axis linkage adjustment method, mainly including an X-axis electric guide rail 20, a Z-axis second electric push rod 24, and a complex swing linkage assembly.

[0049] The electric guide rail 20 is horizontally mounted on the inner top plate of the sandblasting chamber 4, with its extension direction perpendicular to the movement direction of the placement frame 3. A slide table 21 is slidably connected to the outside of the electric guide rail 20. The slide table 21, through its built-in drive, can perform high-precision linear reciprocating motion on the electric guide rail 20. This dimensional movement gives the sandblasting assembly the ability to cover the width of the workpiece.

[0050] A fixing block 25 is fixedly connected to the outer surface of the slide table 21, serving as a connector for the Z-axis adjustment assembly. A second electric push rod 24 is vertically fixedly connected to the center of the fixing block 25. The output end of the second electric push rod 24 extends downward and is fixedly connected to the L-shaped mounting bracket 10. By extending and retracting the second electric push rod 24, the mounting bracket 10 and all the sandblasting components installed inside it can be raised and lowered as a whole, thereby adjusting the target distance between the nozzle of the spray gun 22 and the workpiece surface according to the height of the workpiece, ensuring the consistency of the sandblasting impact force.

[0051] The mounting frame 10 serves as the carrier of the core execution unit, and its inner side is equipped with a spray gun 22 capable of oscillating spraying and an oscillating mechanism that drives this action. The spray gun 22 is rotatably connected to the inner side of the mounting frame 10 via a rotating shaft, giving the spray gun 22 the freedom to oscillate around the rotating shaft in a vertical plane. To achieve automated and uniform fan-shaped sweeping spraying, this embodiment designs a unique eccentric linkage transmission mechanism.

[0052] Specifically, a second motor 26 is fixedly connected to the upper space inside the mounting bracket 10. The second motor 26 is a rotary servo motor, capable of providing continuous and controllable rotational torque. A protective cover 23 is also installed inside the mounting bracket 10. This protective cover 23 covers the outside of the second motor 26, physically isolating the motor body from the sandblasting environment filled with abrasive dust, preventing dust from entering the motor and causing short circuits or bearing wear.

[0053] The output shaft of the second motor 26 is fixedly connected to a turntable 27. The turntable 27 rotates in a circle with the motor shaft. On the outer surface of the turntable 27, a hinge point is set at a position off the center, and a rotating rod 28 is rotatably connected thereto. When the turntable 27 rotates, the hinge point makes a circular motion, thereby driving one end of the rotating rod 28 to follow the circular motion.

[0054] The other end of the rotating rod 28 is rotatably connected to a movable rod 29. To convert the complex planar motion transmitted by the rotating rod 28 into a reciprocating motion with a specific pattern, a fixed sleeve 30 is rotatably connected to the inner side of the mounting bracket 10. The movable rod 29 passes through the fixed sleeve 30 and forms a sliding fit with the inner wall of the fixed sleeve 30. The fixed sleeve 30 is hinged to the mounting bracket 10, so that the movable rod 29 can both slide and extend within the fixed sleeve 30 and drive the fixed sleeve 30 to swing together. One end of the movable rod 29 that protrudes from the fixed sleeve 30 is slidably connected to a connecting rod 31, and a swing rod 32 is rotatably connected below the connecting rod 31. The lower end of the swing rod 32 is fixedly connected to the top of the spray gun 22.

[0055] When the second motor 26 drives the turntable 27 to rotate continuously in one direction, the eccentrically hinged rotating rod 28 pushes the moving rod 29. Because the moving rod 29 is constrained by the fixed sleeve 30, its motion trajectory is forcibly converted into reciprocating extension and retraction within the fixed sleeve 30 and reciprocating oscillation around the fulcrum of the fixed sleeve 30. This composite motion is transmitted to the oscillating rod 32 via the connecting rod 31, ultimately driving the spray gun 22 to oscillate left and right around its axis of rotation on the mounting bracket 10 in a fan-shaped motion. Compared to simple linear reciprocating motion, this fan-shaped oscillation allows the abrasive beam to impact the workpiece surface at a constantly changing angle. For workpieces with uneven textures, grooves, or complex curved surfaces, this effectively reduces the spray blind zone and improves the uniformity and coverage of the surface treatment.

[0056] Please see the appendix Figure 1 - Appendix Figure 3 Waste generated during sandblasting operations needs to be cleaned up promptly; therefore, a dust collection box 8 is installed on the lower inner side of the support frame 2. The top of the dust collection box 8 is connected to the bottom of the sandblasting chamber 4. Waste from the bottom of the sandblasting chamber 4 falls into the dust collection box 8 through the mesh plate. The dust collection box 8 can be connected to external negative pressure dust removal equipment or abrasive recycling system to achieve resource recycling and environmental purification.

[0057] In addition, to facilitate daily maintenance and repair of the equipment, as well as rapid handling in case of malfunction, a chamber door 7 is installed on one side wall of the sandblasting chamber 4. The chamber door 7 is connected to the chamber body by hinges and is equipped with a locking handle. Operators can open the chamber door 7 to replace or clean vulnerable parts such as the spray gun 22 and sealing strip 9 inside.

[0058] Working principle: First, the workpiece to be processed is placed in an empty mounting position on the placement rack 3 located outside the sandblasting chamber 4. The system is started, and the first motor 6 drives the threaded rod 13 to rotate, which drives the placement rack 3 to move smoothly through the ball nut 15, accurately conveying the mounting position carrying the workpiece to the processing area inside the sandblasting chamber 4.

[0059] Once in position, the first motor 6 stops, and the placement frame 3 comes to a standstill. Immediately, the first electric push rod 18 actuates, pulling the sealing ring 11 downwards so that it engages with the sealing groove on the side of the placement frame 3, completing the sealing action. At this point, the sandblasting operation area is isolated from the outside environment.

[0060] Next, according to the preset program of the workpiece dimensions, the second electric push rod 24 drives the mounting bracket 10 to descend to a suitable height, and the electric guide rail 20 drives the slide table 21 to adjust its horizontal position. The sandblasting system is turned on, and abrasive is sprayed out from the spray gun 22 at high speed. At the same time, the second motor 26 starts, driving the spray gun 22 to perform continuous fan-shaped oscillation through the aforementioned eccentric linkage mechanism, performing a full-coverage sweeping treatment on the workpiece surface.

[0061] After sandblasting, the spray gun 22 and the second motor 26 are shut off. The second electric push rod 24 drives the mounting bracket 10 to reset and rise. The first electric push rod 18 reverses its movement, pushing the sealing ring 11 upward to disengage from the sealing groove and release the seal. Finally, the first motor 6 restarts, driving the placement bracket 3 to continue moving forward or backward, removing the processed workpiece from the sandblasting chamber 4, while simultaneously feeding the workpiece to be processed from the next mounting position into the chamber, starting the next cycle. Throughout the process, the remaining mounting positions outside the chamber can simultaneously perform workpiece loading and unloading operations, greatly improving production efficiency.

[0062] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. An intelligent sandblasting mechanism, characterized in that, include, A support base (1) is fixedly connected to a support frame (2) on top of the support base (1), and a mounting plate (12) is fixedly connected to the support frame (2). The placement rack (3) is movably mounted on the support frame (2); A sliding mechanism is provided between the support frame (2) and the placement frame (3) for supporting the placement frame (3) to move along a predetermined trajectory on the support frame (2); A drive mechanism is provided between the support frame (2) and the placement frame (3) for driving the placement frame (3) to move; The sandblasting chamber (4) is fixedly connected to the support frame (2). The sandblasting chamber (4) spans above the placement frame (3), and the sandblasting chamber (4) is provided with a sandblasting mechanism for processing the workpieces on the placement frame (3). A sealing mechanism is provided inside the sandblasting chamber (4) to cooperate with the placement frame (3) to form a sealed space when the placement frame (3) moves to below the sandblasting chamber (4).

2. The intelligent sandblasting mechanism according to claim 1, characterized in that, The driving mechanism includes a first motor (6), which is fixedly connected to the mounting plate (12). The output end of the first motor (6) is fixedly connected to a threaded rod (13). The threaded rod (13) extends along the length of the placement frame (3). A ball nut (15) is sleeved on the threaded rod (13). The threaded rod (13) and the ball nut (15) are threaded together. The ball nut (15) is fixedly connected to the bottom of the placement frame (3). The first motor (6) drives the threaded rod (13) to rotate, thereby moving the ball nut (15) and the placement frame (3).

3. The intelligent sandblasting mechanism according to claim 1, characterized in that, The sliding mechanism includes a slide rail (5), which is fixedly connected to the top of the support frame (2). A slider (14) is slidably connected to the outside of the slide rail (5), and the placement frame (3) is fixedly connected to the top of the slider (14).

4. The intelligent sandblasting mechanism according to claim 1, characterized in that, The sealing mechanism includes a sealing ring (11), which is slidably connected to the inside of the sandblasting chamber (4). Movable blocks (16) are fixedly connected to both sides of the sealing ring (11), and the movable blocks (16) are slidably connected to the inside of the sandblasting chamber (4). A support block (17) is fixedly connected to the bottom of the inside of the sandblasting chamber (4). A first electric push rod (18) is fixedly connected to the top of the support block (17). Connecting blocks (19) are fixedly connected to both ends of the sealing ring (11). The connecting blocks (19) are fixedly connected to the output end of the first electric push rod (18). The first electric push rod (18) drives the sealing ring (11) to rise and fall.

5. The intelligent sandblasting mechanism according to claim 4, characterized in that, A sealing strip (9) is fixedly connected to the outside of the placement rack (3). A sealing groove is provided in the middle of the sealing strip (9). When the sealing mechanism is configured such that the sealing ring (11) moves downward under the drive of the first electric push rod (18) and engages in the sealing groove in the middle of the sealing strip (9) to form a sealing space.

6. The intelligent sandblasting mechanism according to claim 1, characterized in that, The sandblasting mechanism includes an electric guide rail (20), which is installed on the top of the inner side of the sandblasting machine chamber (4). A slide table (21) is slidably connected to the outside of the electric guide rail (20). A fixing block (25) is fixedly connected to the outside of the slide table (21). A second electric push rod (24) is fixedly connected to the middle of the fixing block (25). A mounting bracket (10) is fixedly connected to the output end of the second electric push rod (24). A spray gun (22) is rotatably connected to the inside of the mounting bracket (10).

7. The intelligent sandblasting mechanism according to claim 6, characterized in that, A second motor (26) is fixedly connected to the inner side of the mounting bracket (10). A turntable (27) is fixedly connected to the output end of the second motor (26). A rotating rod (28) is rotatably connected to the outer side of the turntable (27) at an eccentric position. A moving rod (29) is rotatably connected to one end of the rotating rod (28). A fixed sleeve (30) is rotatably connected to the inner side of the mounting bracket (10). The moving rod (29) is slidably connected inside the fixed sleeve (30). A connecting rod (31) is slidably connected to one end of the moving rod (29). A swing rod (32) is rotatably connected below the connecting rod (31). The swing rod (32) is fixedly connected to the top of the spray gun (22). A protective cover (23) is also installed on the inner side of the mounting bracket (10) to cover the second motor (26).

8. The intelligent sandblasting mechanism according to claim 1, characterized in that, The sandblasting machine chamber (4) is provided with a chamber door (7) on one side, which is used to open and close for maintenance.

9. The intelligent sandblasting mechanism according to claim 1, characterized in that, A dust collection box (8) is installed inside the support frame (2). The dust collection box (8) is connected to the sandblasting machine chamber (4). The dust collection box (8) is used to collect waste and dust generated during the sandblasting process.

10. The intelligent sandblasting mechanism according to claim 1, characterized in that, The placement rack (3) has multiple mounting positions arranged side by side along its length. When the workpiece on one of the mounting positions moves with the placement rack (3) into the sandblasting machine chamber (4) for sandblasting, the other mounting positions are located outside the sandblasting machine chamber (4) for loading or unloading operations.

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