Workpiece carrying and jacking mechanism in sand blasting device and sand blasting device with workpiece carrying and jacking mechanism

Abstract

The utility model provides a workpiece carrying and jacking mechanism in a sand blasting device and the sand blasting device with the workpiece carrying and jacking mechanism, the workpiece carrying and jacking mechanism comprises a jacking and rotating assembly which is used for bearing and enabling a processed workpiece to lift and rotate, and the jacking and rotating assembly comprises a lifting device. And a rotating device which is used for bearing and enabling the processed workpiece to rotate is connected above the lifting device. According to the workpiece carrying and jacking mechanism, the lifting function and the rotating function are integrated, automatic jacking and rotating treatment on workpieces is achieved, dependence of manual operation is reduced, and working efficiency is improved. Through precise control of the lifting motor and the speed reducer, in combination with the lifting limiting device and the rotating original point resetting device, the stability and precision of a workpiece in the lifting and rotating processes are ensured, and low efficiency and inconsistency caused by manually holding a sand blasting gun by hand are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand blasting machine technical field especially, it is a kind of workpiece carrying jacking mechanism in sand blasting device and the sand blasting device with it.

BACKGROUND

[0002] The thermal field part in photovoltaic equipment is a key component for thermal field system of single crystal pulling furnace or polycrystalline ingot furnace, which plays a crucial role in the production process of photovoltaic silicon wafer. Common thermal field parts include crucibles, flow guide tubes, heat preservation tubes, heating tubes, etc. These thermal field parts are usually circular in shape. In the photovoltaic field, sandblasting treatment of circular thermal field parts in photovoltaic equipment is an important process step. Through sandblasting treatment, the surface roughness of the workpiece can be increased to improve the adhesion of the coating, remove surface defects and contaminants generated during manufacturing, improve thermal conductivity, enhance corrosion resistance and wear resistance, and meet specific process requirements, thereby improving the performance and service life of the thermal field part and ensuring the overall performance and stability of the photovoltaic equipment.

[0003] In the prior art, sandblasting treatment of circular thermal field parts relies on manual sandblasting gun. This method not only has low efficiency, but also cannot guarantee the consistency and quality of the treatment. In addition, a large amount of dust and noise will be generated during sandblasting treatment in an open environment, which will pollute the environment and harm the health of the operator.

UTILITARY MODEL CONTENT

[0004] The utility model aims at providing a kind of workpiece carrying jacking mechanism in sand blasting device and the sand blasting device with it, to solve the above-mentioned problems existing in prior art.

[0005] The utility model is realized by the following technical solutions:

[0006] A kind of workpiece carrying jacking mechanism in sand blasting device, including the jacking rotation assembly for being handled workpiece and can make lifting rotation, the jacking rotation assembly includes lifting device, the lifting device upper connection is used for being handled workpiece and can make the rotating device of rotation.

[0007] As described above, a kind of workpiece carrying jacking mechanism in sand blasting device, the lifting device includes lifting motor, the lifting motor includes screw rod, the upper portion of the screw rod is equipped with the connecting head for fixing the rotating device.

[0008] The workpiece carrying and lifting mechanism in the sand blasting device comprises a rotating device, a lifting device and a rotating device.

[0009] The workpiece carrying and lifting mechanism in the sand blasting device comprises a rotating device, a lifting device and a rotating device.

[0010] The workpiece carrying and lifting mechanism in the sand blasting device comprises a rotating device, a lifting device and a rotating device.

[0011] The workpiece carrying and lifting mechanism in the sand blasting device comprises a rotating device, a lifting device and a rotating device.

[0012] The workpiece carrying and lifting mechanism in the sand blasting device comprises a rotating device, a lifting device and a rotating device.

[0013] The workpiece carrying and lifting mechanism in the sand blasting device comprises a rotating device, a lifting device and a rotating device.

[0014] The workpiece carrying and lifting mechanism in the sand blasting device comprises a rotating device, a lifting device and a rotating device.

[0015] The workpiece carrying and lifting mechanism in the sand blasting device comprises a rotating device, a lifting device and a rotating device.

[0016] The workpiece carrying and lifting mechanism in the sand blasting device comprises a rotating device, a lifting device and a rotating device.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1、 The workpiece carrying jacking mechanism that the utility model discloses integrates the lifting and rotation function, realizes the automation jacking and rotation processing of workpiece, reduces the dependence of manual operation, improves work efficiency.

[0019] 2、 The utility model discloses a precise lifting motor and speed reducer control are combined lifting limit device and rotation origin reset device, ensure the stability and precision of workpiece in the lifting and rotation process, avoid the inefficiency and inconsistency of manual handheld sand blasting gun.

[0020] 3、 The design of carrying vehicle considers the matching of jacking and rotating assembly, through the design of first opening and second opening, realizes the smooth transition of workpiece between carrying vehicle and jacking and rotating assembly.

[0021] 4、 Through the dust cover and dust sleeve set up in jacking and rotating assembly, effectively prevent the dust produced in the sand blasting process from damaging the mechanical structure, prolong the service life of equipment.

[0022] Summarized above, the workpiece carrying jacking mechanism provides an efficient, stable and reliable solution for sand blasting treatment in the aspects of automation degree, precision stability, structure design and protection mechanism.

DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment description.

[0024] Figure 1 It is the three-dimensional structure schematic of the embodiment of the utility model Figure 1 ;

[0025] Figure 2 It is the three-dimensional structure schematic of the embodiment of the utility model Figure 2 ;

[0026] Figure 3 It is the schematic diagram of the embodiment of the utility model using carrying device to transfer the workpiece to be handled;

[0027] Figure 4 It is the schematic diagram of the embodiment of the utility model when jacking and rotating assembly carries the workpiece to be handled;

[0028] Figure 5 It is the three-dimensional structure schematic of the sand blasting cabinet in the embodiment of the utility model;

[0029] Figure 6 It is the three-dimensional structure schematic of the sand blasting pipe movement assembly in the embodiment of the utility model;

[0030] Figure 7 It is exploded structural schematic view of lifting assembly in the embodiment of the utility model;

[0031] Figure 8 It is exploded structural schematic view of transverse moving assembly and sand blasting pipe adjusting assembly in the embodiment of the utility model;

[0032] Figure 9 It is three-dimensional structural schematic of jacking rotating assembly in the embodiment of the utility model Figure 1 ;

[0033] Figure 10 It is three-dimensional structural schematic of jacking rotating assembly in the embodiment of the utility model Figure 2 ;

[0034] Figure 11 It is three-dimensional structural schematic of jacking rotating assembly in the embodiment of the utility model Figure 3 ;

[0035] Figure 12 It is three-dimensional structural schematic of jacking rotating assembly in the embodiment of the utility model Figure 4 ;

[0036] Figure 13 It is three-dimensional structural schematic of carrying device in the embodiment of the utility model.

CONCRETE EMBODIMENT

[0037] In order to make the technical problems and beneficial effects of the technical solutions solved by the present application more clear and obvious, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0038] Please refer to Figures 1 to 13 , the embodiment provides a kind of sand blasting device suitable for circular workpiece, the sand blasting device includes a workpiece carrying jacking mechanism, specifically, the sand blasting device includes sand blasting cabinet 1 for accommodating the workpiece to be processed, the sand blasting cabinet 1 upper end is provided with the movable slot 11 for sand blasting pipe to extend into cabinet body, the sand blasting pipe here can be the sand blasting pipe of external sand blasting machine, sand blasting pipe movement assembly 2 is provided with the sand blasting cabinet 1 side and can be connected with sand blasting pipe to guide its movement, sand blasting cabinet 1 below is provided with jacking rotating assembly 3 for carrying the workpiece to be processed and extending into cabinet body, to facilitate the effective treatment to the inner and outer surface of the workpiece to be processed.

[0039] In this embodiment, the sand blasting cabinet 1 is used to accommodate the circular workpiece to be processed, and the movable slot 11 opened at the upper end allows the sand blasting pipe to extend into the cabinet body for sand blasting treatment of the workpiece. The sand blasting pipe movement assembly 2 is located beside the sand blasting cabinet 1, can be connected with the external sand blasting pipe and extended into the cabinet body, and guides the spraying orientation of the sand blasting pipe in the cabinet body, ensuring uniform treatment of the surface of the workpiece. The jacking and rotating assembly 3 is located below the sand blasting cabinet 1, and a part of it extends into the cabinet body for carrying the circular workpiece to be processed. The jacking and rotating assembly 3 not only can adjust the height of the workpiece, but also can make the workpiece rotate, so as to realize the overall sand blasting treatment of the inner and outer surfaces of the workpiece.

[0040] Due to the cooperation of the sand blasting pipe movement assembly 2 and the jacking and rotating assembly 3, the sand blasting pipe can comprehensively and uniformly treat the inner and outer surfaces of the workpiece, avoiding the treatment dead angle problem that may exist in traditional sand blasting devices.

[0041] The guiding action of the sand blasting pipe movement assembly 2 makes the movement of the sand blasting pipe more accurate and efficient, reducing the difficulty and time cost of manual operation. At the same time, the automatic adjustment and rotation function of the jacking and rotating assembly 3 also improves the efficiency of sand blasting treatment.

[0042] Further, as a preferred embodiment of the present scheme but not limited, the sand blasting pipe movement assembly 2 comprises a mounting bracket 21, a lifting assembly 22 is arranged above the mounting bracket 21, a horizontal movement assembly 23 is connected with the lifting assembly 22, and a sand blasting pipe adjusting assembly 24 connected with the sand blasting pipe is connected with the horizontal movement assembly 23.

[0043] In this embodiment, the mounting bracket 21 is the basic structure of the sand blasting pipe movement assembly 2, which is arranged beside the sand blasting cabinet 1 to provide a support and mounting platform for other components. The lifting assembly 22 is installed above the mounting bracket 21 and is mainly responsible for the movement of the sand blasting pipe in the vertical direction. The lifting assembly 22 can be realized by motor drive, hydraulic drive or pneumatic drive, etc. The specific selection depends on the application scene and performance requirements of the sand blasting device. Through the precise control of the lifting assembly 22, the height of the sand blasting pipe can be adjusted to adapt to circular workpieces of different sizes and shapes. The horizontal movement assembly 23 is connected with the lifting assembly 22 and is responsible for the movement of the sand blasting pipe in the horizontal direction. The horizontal movement assembly 23 can also be realized by motor drive, hydraulic drive or pneumatic drive, etc. Through the movement of the horizontal movement assembly 23, it can be ensured that the sand blasting pipe can cover all parts of the workpiece to realize omnidirectional sand blasting treatment. The sand blasting pipe adjusting assembly 24 is connected with the horizontal movement assembly 23 and directly connected with the sand blasting pipe. The main function of the sand blasting pipe adjusting assembly 24 is to adjust the spraying angle and spraying distance of the sand blasting pipe relative to the workpiece to be processed, so as to ensure that the sand blasting treatment can be carried out uniformly and effectively. The sand blasting pipe adjusting assembly 24 can be realized by manual adjustment or automatic adjustment, which depends on the design and use demand of the sand blasting device.

[0044] By adjusting the lifting assembly 22, the transverse movement assembly 23 and the sandblasting pipe adjusting assembly 24, different sizes, shapes and materials of circular workpieces can be easily adapted, the versatility of the sandblasting device is improved, and the sandblasting process can be more uniform and effective, thereby improving the processing efficiency and quality.

[0045] Further, as a preferred embodiment of the present scheme but not limited, the lifting assembly 22 comprises a first mounting plate 221 connected with the mounting bracket 21, the first mounting plate 221 is vertically provided with a group of parallel first guide shafts 222, a plurality of first linear bearings 223 capable of ascending and descending along the first guide shafts 222 are arranged on the first guide shafts 222, a first guide rail connecting plate 224 is connected with the plurality of first linear bearings 223, a first opening 225 is arranged on the first guide rail connecting plate 224, a first speed reducer 226 is arranged on the first guide rail connecting plate 224, a first servo motor 227 is connected with one end of the first speed reducer 226 and a first gear 228 is connected with the other end of the first speed reducer 226, a first rack 229 is vertically arranged between the two first guide shafts 222, the first gear 228 is coupled and connected with the first rack 229 through the first opening 225, and the transverse movement assembly 23 is further connected with the first guide rail connecting plate 224, when the first servo motor 227 operates, the first gear 228 moves relative to the first rack 229, thereby enabling the transverse movement assembly 23 to ascend and descend through the first linear bearings 223.

[0046] In the present embodiment, when the vertical position of the sandblasting pipe needs to be adjusted, the first servo motor 227 is started, and the first gear 228 is driven to rotate through the speed reduction effect of the first speed reducer 226. The first gear 228 is coupled and connected with the first rack 229, so it will rise or descend relative to the first rack 229 under the action of the first linear bearings 223. Since the first linear bearings 223 are connected with the first guide rail connecting plate 224, the first guide rail connecting plate 224 and the transverse movement assembly 23 and the sandblasting pipe mounted thereon will ascend and descend. By precisely controlling the rotation speed and direction of the first servo motor 227, precise control of the sandblasting pipe in the vertical direction can be achieved.

[0047] Further, as a preferred embodiment but not a limitation of the present solution, the horizontal moving assembly 23 comprises a second mounting plate 231 connected with the first guide rail connecting plate 224, the second mounting plate 231 is horizontally provided with a group of parallel arranged second guide shafts 232, a plurality of second linear bearings 233 capable of moving horizontally are arranged on the second guide shafts 232, a second guide rail connecting plate 234 is connected with the plurality of second linear bearings 233, a second opening 235 is arranged on the second guide rail connecting plate 234, a second speed reducer 236 is arranged on the second guide rail connecting plate 234, a second servo motor 237 is connected with one end of the second speed reducer 236 and a second gear 238 is connected with the other end of the second speed reducer 236, a second rack 239 is horizontally arranged between the two second guide shafts 232, the second gear 238 is coupled with the second rack 239 through the second opening 235, and the sandblasting pipe adjusting assembly 24 is further connected with the second guide rail connecting plate 234. When the second servo motor 237 operates, the second gear 238 moves relative to the second rack 239, thereby enabling the sandblasting pipe adjusting assembly 24 to move horizontally through the first linear bearing 223.

[0048] In the present embodiment, when it is necessary to adjust the horizontal position of the sandblasting pipe, the second servo motor 237 is started to drive the second gear 238 to rotate through the second speed reducer 236. Since the second gear 238 is coupled with the second rack 239 and the second guide rail connecting plate 234 is fixed with the second linear bearing 233, the rotation of the second gear 238 will drive the second guide rail connecting plate 234 and the sandblasting pipe adjusting assembly 24 to move horizontally on the second guide shaft 232. By controlling the rotation speed and direction of the second servo motor 237, the moving position and speed of the sandblasting pipe can be accurately controlled.

[0049] Further, as a preferred embodiment but not a limitation of the present solution, the sandblasting pipe adjusting assembly 24 comprises a connecting piece 241 connected with the second guide rail connecting plate 234, a fixed block 242 is connected with the connecting piece 241, at least two parallel arranged support pipes 243 are horizontally arranged on the fixed block 242, a first adjusting block 244 and a second adjusting block 245 capable of moving horizontally are connected between the two support pipes 243, a first guide pipe 246 capable of being connected with the sandblasting pipe is vertically arranged on the first adjusting block 244, a second guide pipe 247 capable of being connected with the sandblasting pipe is vertically arranged on the second adjusting block 245, and the first guide pipe 246 and the second guide pipe 247 are respectively arranged on the inner and outer sides of the workpiece to be processed after passing through the movable groove 11.

[0050] In the embodiment, the adapter 241 is a connecting component between the sand blasting pipe adjusting assembly 24 and the second guide rail connecting plate 234. It ensures that the sand blasting pipe adjusting assembly 24 can be stably mounted on the transverse moving assembly 23 and moves with the transverse moving assembly 23. The fixing block 242 cooperates with the adapter 241 to provide stable support for the sand blasting pipe adjusting assembly 24. At least two parallel support pipes 243 are arranged transversely on the fixing block 242. The main function of the support pipes 243 is to support and guide the movement of the first adjusting block 244 and the second adjusting block 245 and ensure the stability and accuracy of the movement. The first adjusting block 244 and the second adjusting block 245 are connected between the support pipes 243 and can move transversely. The first adjusting block 244 and the second adjusting block 245 can independently move on the support pipes 243, so as to adjust the distance between the first guide pipe 246 and the second guide pipe 247 relative to the inner and outer surfaces of the workpiece being processed, so as to accurately control the sand blasting range and angle of the sand blasting pipe to the workpiece.

[0051] Optionally, in some embodiments, the first guide pipe 246 and the second guide pipe 247 can be directly connected with the sand blasting pipe through threads, buckles or other quick connection devices, to ensure that the sand blasting pipe can be stably fixed on the guide pipe and move and adjust the angle with the guide pipe.

[0052] Optionally, in some embodiments, the first guide pipe 246 and the second guide pipe 247 can be connected with the sand blasting pipe through intermediate connecting components such as joints, converters and the like. More flexibility can be provided to adjust the position and angle of the sand blasting pipe as needed, while ensuring the stability and reliability of the connection.

[0053] Further, as a preferred embodiment of the present scheme but not limited, the bottom wall of the sand blasting cabinet 1 is provided with a connecting passage 12 for the jacking and rotating assembly 3 to extend into, the bottom of the sand blasting cabinet 1 is provided with a support 13 for mounting the jacking and rotating assembly 3, one side of the sand blasting cabinet 1 is provided with a first door body 14, the first door body 14 is provided with a viewing window and an operating hole through which an arm can extend into the cabinet, the adjacent side of the first door body 14 is provided with a second door body 15 for facilitating the taking and placing of a workpiece being processed, the bottom of the sand blasting cabinet 1 is provided with a hydraulic load-bearing plate 16 corresponding to the opening and closing position of the second door body 15, and a carrying device 17 for transporting the workpiece being processed to the jacking and rotating assembly 3 is arranged on the hydraulic load-bearing plate 16. When one end of the hydraulic load-bearing plate 16 abuts against the ground, the carrying device 17 moves to load the workpiece being processed onto the hydraulic load-bearing plate 16. After one end of the hydraulic load-bearing plate 16 moves to be flush with the bottom of the sand blasting cabinet 1, the carrying device 17 moves to place the workpiece being processed on the jacking and rotating assembly 3 in the cabinet.

[0054] In this embodiment, the bottom wall of the sand blasting cabinet 1 is provided with a connecting channel 12 for the lifting and rotating assembly 3 to extend into. In order to facilitate the arrangement of parts in the lifting and rotating assembly 3 for carrying the workpiece to be processed, save space in the cabinet body, and provide power and support for the lifting and rotation of the workpiece. The bottom of the sand blasting cabinet 1 is provided with a support 13 for installing the lifting and rotating assembly 3. The support 13 provides a stable mounting base for the lifting and rotating assembly 3, ensuring that it can stably support and rotate the workpiece. One side of the sand blasting cabinet 1 is provided with a first door body 14. The first door body 14 is provided with a viewing window for the operator to observe the sand blasting process; at the same time, it is also provided with an operating hole for the arm to extend into the cabinet body, which is convenient for manual operation or adjustment. The adjacent side of the first door body 14 is provided with a second door body 15 for conveniently taking and placing the workpiece to be processed. The design of the second door body 15 takes into account the convenient taking and placing of the workpiece, and its opening and closing operation should be simple and flexible. The bottom of the sand blasting cabinet 1 is provided with a hydraulic load-bearing plate 16 corresponding to the opening of the second door body 15. The hydraulic load-bearing plate 16 has the functions of bearing and lifting, and can adjust its height as needed to cooperate with the carrying device 17 to smoothly move the workpiece into or out of the sand blasting cabinet 1. It should be noted that the specific structure of the hydraulic load-bearing plate 16 can refer to the prior art of the previously applied patents CN106627310A, CN201989682U, CN214240556U, etc., which should be understood by those skilled in the art.

[0055] A carrying device 17 is provided on the hydraulic load-bearing plate 16 for transporting the workpiece to be processed to the lifting and rotating assembly 3. The carrying device 17 can be manual or electric, which is convenient for loading, moving and positioning the workpiece.

[0056] When the workpiece needs to be processed, first load and move the workpiece onto the hydraulic load-bearing plate 16 through the carrying device 17. At this time, one end of the hydraulic load-bearing plate 16 abuts against the ground, facilitating the loading of the workpiece. Then, the hydraulic load-bearing plate 16 is raised, and one end thereof is moved to be flush with the bottom of the sand blasting cabinet 1. Next, move the carrying device 17 to move the workpiece to be processed to the lifting and rotating assembly 3 inside the cabinet body. Then, close the second door body 15 and the first door body 14, and start the sand blasting device to perform sand blasting processing. After the processing is completed, open the door bodies in the reverse order and remove the workpiece.

[0057] Further, as a preferred embodiment of the present scheme but not limited, the carrying device 17 includes a carrying vehicle 171, the upper end surface of the hydraulic load-bearing plate 16 is provided with a first guide rail 172 for guiding the movement of the carrying vehicle 171, the inner bottom of the sand blasting cabinet 1 is provided with a second guide rail 173 connected with the first guide rail 172, and a plurality of blocking cylinders 4 corresponding to the wheels of the carrying vehicle 171 are arranged along the first guide rail 172 to prevent the carrying vehicle 171 from slipping backward.

[0058] In the present embodiment, the carrier device 17 comprises a carrier vehicle 171. The carrier vehicle 171 is used to load and transport the circular workpieces to be processed. To ensure stable movement of the carrier vehicle 171, the upper end surface of the hydraulic load plate 16 is provided with a first guide rail 172 for guiding the movement of the carrier vehicle 171, which is adapted to the wheels. The first guide rail 172 provides a stable running path for the carrier vehicle 171, ensuring that it can move along the predetermined trajectory. The inner bottom of the sand blasting cabinet 1 is also provided with a second guide rail 173 connected to the first guide rail 172. When the carrier vehicle 171 moves from the hydraulic load plate 16 to the inside of the sand blasting cabinet 1, the second guide rail 173 continues to guide the carrier vehicle 171, ensuring that it can smoothly enter the cabinet and be positioned on the jacking and rotating assembly 3. In addition, a plurality of blocking cylinders 4 corresponding to the wheels of the carrier vehicle 171 are arranged along the first guide rail 172. The blocking cylinders 4 provide resistance when the carrier vehicle 171 is stationary on the hydraulic load plate 16, preventing it from rolling back due to external forces or its own weight. This increases the safety and stability during the carrying process.

[0059] Further, as a preferred embodiment of the present scheme but not limited, the jacking and rotating assembly 3 comprises a mounting beam 31 fixed to the support 13, the mounting beam 31 is provided with a lifting motor 32, the lifting motor 32 comprises a lead screw 33, the lead screw 33 passes through the connecting channel 12 to the inside of the sand blasting cabinet 1, the lower end of the lead screw 33 is further provided with a lifting origin sensing block 50, a lifting sensor bracket 51 is arranged at the lower part of the mounting beam 31, the upper and lower ends of the lifting sensor bracket 51 are respectively provided with a first proximity switch 52 and a second proximity switch 53, the first proximity switch 52 and the second proximity switch 53 cooperate with the lifting origin sensing block 50 to limit the lead screw 33, the upper end of the lead screw 33 is provided with a connecting head 34, the connecting head 34 is connected with a supporting plate 35 above, the lower end of the supporting plate 35 is provided with a third speed reducer 36, one side of the third speed reducer 36 is connected with a third servo motor 37, the other side is provided with a third gear 38 passing through the supporting plate 35 to the upper end of the plate, the upper part of the supporting plate 35 is provided with a rotary support 39, the outer periphery of the rotary support 39 is provided with a rack which cooperates with the third gear 38 for transmission connection, the rotary support 39 is provided with a rotating support column 310 which rotates synchronously therewith, the rotating support column 310 is installed with a support frame 311 which can carry the workpieces to be processed, when the third servo motor 37 operates, the third gear 38 makes the rotary support 39 rotate synchronously and finally makes the support frame 311 rotate.

[0060] In the present embodiment, the lifting and rotating assembly 3 comprises a mounting beam 31 fixed with the support 13. Specifically, two angle steels can be selected as the main beams of the mounting beam, and two connecting steel plates between the two angle steels can be assembled with the lifting and rotating assembly 3 through fasteners. The mounting beam 31 provides a stable mounting base for the entire lifting and rotating assembly 3, ensuring that it can stably support and rotate the workpiece. The mounting beam 31 is provided with a lifting motor 32. The lifting motor 32 is the core power component of the lifting and rotating assembly 3, responsible for driving the lead screw 33 to perform lifting movement. The lifting motor 32 comprises a lead screw 33, which passes through the connecting channel 12 into the sand blasting cabinet 1. The lead screw 33 is a transmission component of lifting movement, which realizes the lifting of the support plate 35 and the components thereon by cooperating with the lifting motor 32. The upper end of the lead screw 33 is provided with a connecting head 34. The connecting head 34 is used to connect the lead screw 33 and the support plate 35, ensuring the stable transmission of lifting movement. In addition, the lower end of the lead screw 33 is also provided with a lifting origin sensing block 50, and a lifting sensor bracket 51 is arranged at the lower part of the mounting beam 31. The upper and lower ends of the lifting sensor bracket 51 are respectively provided with a first proximity switch 52 and a second proximity switch 53, which cooperate with the lifting origin sensing block 50 to limit the lifting of the lead screw 33 within a certain range. The third servo motor 37 is the power source of the rotating movement, which drives the slewing bearing 39 to rotate through the speed reduction and torque increase of the third speed reducer 36.

[0061] Specifically, in use, first, the circular workpiece is loaded and transported by the carrying device 17 to the lifting and rotating assembly 3 in the sand blasting cabinet 1, more specifically, placed on the support frame 311. Then, the lifting motor 32 is started, and the support plate 35 and the workpiece thereon are lifted to the required height through the transmission of the lead screw 33 and the connecting head 34. Next, the third servo motor 37 is started, and the third gear 38 is driven to rotate through the speed reduction and torque increase of the third speed reducer 36. The third gear 38 cooperates with the rack on the outer periphery of the slewing bearing 39 to make the slewing bearing 39 start to rotate. The rotation of the slewing bearing 39 is transmitted to the support frame 311 through the rotating column 310, and finally the stable rotation of the workpiece is realized. During the sand blasting process, the rotation speed and direction of the workpiece can be adjusted as needed to obtain the best sand blasting effect.

[0062] Further, the rotating column 310 is also provided with a dust cover 313 between the support frame 311 and the slewing bearing 39, which covers the main components to prevent the waste sand and dust generated during the sand blasting process from damaging the mechanical structure. In addition, for the same reason, the lead screw 33 is also provided with a dust sleeve 331.

[0063] Further, as a preferred embodiment of the present application, a first opening 174 is formed on the carrying surface of the carrier 171, which is matched with the shape of the support frame 311. The first opening 174 is connected with a second opening 175, which extends to the edge of the carrying surface of the carrier 171 and is semi-closed to facilitate the passing of the lead screw 33. When the carrier 171 loaded with the workpiece to be processed is moved to the vertical corresponding position of the first opening 174 and the support frame 311, the support frame 311 lifts the workpiece to be processed to separate it from the carrier 171, and then moves the carrier 171 out of the sand blasting cabinet 1.

[0064] In the present embodiment, a first opening 174 is specially formed on the carrying surface of the carrier 171, which is matched with the shape of the support frame 311. The first opening 174 not only matches the shape of the support frame 311, but also is connected with a second opening 175 to the edge of the carrying surface of the carrier 171. Specifically, in the present embodiment, the support frame 311 is cross-shaped, and the first opening 175 is also cross-shaped with a slightly larger cross section than the support frame 311. It is foreseeable that in some other embodiments, the support frame 311 can also be H-shaped or circular, and the present embodiment is only illustrative. The second opening 175 is designed as a semi-closed structure, which allows the lead screw 33 to pass from the edge of the vehicle body to facilitate the corresponding of the support frame 311 and the first opening 174.

[0065] Specifically, in use, first, the circular workpiece to be processed is placed on the carrying surface of the carrier 171, and it is ensured that the workpiece is located above the first opening 174. At this time, the carrier 171 is located outside or near the entrance of the sand blasting cabinet 1. The carrier 171 is moved together with the workpiece into the sand blasting cabinet 1 until the first opening 174 is vertically corresponding to the support frame 311. During this process, the accurate movement of the carrier 171 can be realized by the guide rails mentioned above or auxiliary equipment such as sensors. When the carrier 171 is positioned correctly, the lead screw 33 is started to drive, and the support frame 311 gradually rises to pass through the first opening 174 and the second opening 175 until its top contacts the bottom of the workpiece and lifts it up. With the continuous rising of the support frame 311, the workpiece is completely lifted off the carrying surface of the carrier 171, realizing the separation of the workpiece and the carrier 171. After the workpiece is stably supported, the carrier 171 can be separated from the lead screw 33 due to the setting of the second opening 175, and finally moved out of the sand blasting cabinet 1 to leave space for subsequent sand blasting operation. At this time, the workpiece is completely supported by the support frame 311 and is ready to accept sand blasting treatment.

[0066] Further, the rotating column 310 is also provided with a rotating origin stopper 312 rotating synchronously with the rotating column 310, and the side end of the supporting plate 35 is provided with a third proximity switch 351 matched with the rotating origin stopper 312, when the rotating origin stopper 312 rotates to the directly above of the third proximity switch 351, it is the initial position of the supporting frame 311, at the initial position, the supporting frame 311 vertically corresponds to the first opening 174, and the supporting frame 311 can pass through the first opening 174 to be lifted upward.

[0067] Further, the sand blasting cabinet 1 is provided with a sand discharge valve 18 at the bottom for collecting waste sand, the sand discharge valve 18 is connected with a corresponding sand storage tank through an external pipeline to collect waste sand, and the sand blasting cabinet 1 is connected with a dust extraction pipe 19 on one side, and a dust extraction cabinet 20 connected with the dust extraction pipe 19 through an external pipeline is arranged beside the sand blasting cabinet 1 to collect waste dust generated in the sand blasting cabinet 1.

[0068] In the embodiment, in order to effectively collect and process the waste sand generated in the sand blasting process, the bottom of the sand blasting cabinet 1 is specially provided with a sand discharge valve 18. The sand discharge valve 18 guides the waste sand deposited at the bottom of the sand blasting cabinet into a special sand storage tank through an external pipeline, avoids the accumulation of waste sand in the sand blasting cabinet, reduces the frequency and difficulty of manual cleaning, and also realizes the centralized management and reuse of waste sand.

[0069] In order to solve the problem of waste dust generated in the sand blasting operation, the sand blasting cabinet 1 is provided with a dust extraction pipe 19 on one side. The dust extraction pipe 19 is connected with a dust extraction cabinet 20 through an external pipeline to form a complete waste dust collection system. When the dust extraction pipe 19 sucks the waste dust, the waste dust will be directly sent into the dust extraction cabinet 20. The dust extraction cabinet is internally designed with efficient filtering and collecting devices, which can ensure that the waste dust is effectively captured and stored, facilitating subsequent centralized treatment and discharge.

[0070] Principle of the utility model:

[0071] The sand blasting device suitable for circular workpieces provided by the application comprises a sand blasting cabinet, and the sand blasting cabinet is used for accommodating the circular workpieces to be processed.

[0072] In the application, the sand blasting pipe movement assembly is composed of a mounting bracket, a lifting assembly, a horizontal movement assembly and a sand blasting pipe adjusting assembly. The lifting assembly drives the relative movement of the first gear and the first rack through the first servo motor to realize the accurate lifting of the sand blasting pipe in the vertical direction. The horizontal movement assembly drives the relative movement of the second gear and the second rack through the second servo motor to realize the movement of the sand blasting pipe in the horizontal direction. The sand blasting pipe adjusting assembly is responsible for adjusting the spraying angle and distance of the sand blasting pipe relative to the workpiece to be processed, so as to ensure the uniformity and effectiveness of the sand blasting treatment.

[0073] In this application, the jacking and rotating assembly is located below the sandblasting cabinet. The workpiece is jacked up by the lifting motor driving the lead screw. At the same time, the third servo motor drives the third gear through the third speed reducer, and the rack on the outer periphery of the slewing bearing is matched, so that the workpiece rotates in the horizontal plane. The combination of jacking and rotating makes the sandblasting pipe fully and uniformly process the inner and outer surfaces of the workpiece.

[0074] In this application, the workpiece is loaded and transported into the sandblasting cabinet by the carrying device. The first opening on the carrying vehicle matches the shape of the support frame of the jacking and rotating assembly, so that the workpiece can be smoothly jacked up by the support frame and separated from the carrying vehicle. After processing, the workpiece is unloaded in the same way.

[0075] In this application, the sandblasting cabinet is provided with a sand discharge valve at the bottom for collecting and processing waste sand. At the same time, the dust extraction pipe on one side of the sandblasting cabinet is connected with the dust collection cabinet to form a waste dust collection system, ensuring the cleanliness of the sandblasting operation environment.

[0076] In summary, the embodiment realizes the comprehensive and uniform automatic sandblasting processing of the inner and outer surfaces of the circular workpiece through the coordinated work of the sandblasting pipe movement assembly and the jacking and rotating assembly. At the same time, through the automatic design of the workpiece loading and unloading system, as well as the effective treatment of waste sand and dust, the efficiency and environmental protection of the sandblasting operation are improved.

[0077] The above is an embodiment provided in combination with specific content, and it is not intended that the specific implementation of the present application is limited to these descriptions. Any similar structure or method as the present application, or any technical deduction or replacement made on the basis of the concept of the present application, should be considered as the protection scope of the present application.

Claims

1. A workpiece carrying lift mechanism in a sandblasting apparatus, characterized by: The lifting and rotating assembly (3) comprises a lifting device, and a rotating device is connected above the lifting device for carrying and rotating the workpiece to be processed; The lifting device comprises a lifting motor (32), and the lifting motor (32) comprises a screw rod (33), and the upper portion of the screw rod (33) is provided with a connecting head (34) for fixing the rotating device; The rotating device comprises a supporting plate (35) arranged above and connected with the connecting head (34), and the lower end of the supporting plate (35) is provided with a third speed reducer (36), one side of the third speed reducer (36) is connected with a third servo motor (37), and the other side is provided with a third gear (38) penetrating through the supporting plate (35) to the upper end of the plate, the upper portion of the supporting plate (35) is provided with a slewing bearing (39), the outer periphery of the slewing bearing (39) is provided with a rack matched with the third gear (38) for transmission connection, and the slewing bearing (39) is provided with a rotating support column (310) rotating synchronously therewith, and the rotating support column (310) is provided with a support frame (311) capable of carrying the workpiece to be processed.

2. The workpiece carrying and lifting mechanism in a sand blasting device according to claim 1, wherein, The lifting and rotating assembly (3) comprises a mounting beam (31) for assembling with the sand blasting device, and the mounting beam (31) is provided with the lifting device, and the lifting device is provided with a lifting limiting device.

3. A workpiece carrying lift mechanism in a sandblasting apparatus as defined in claim 2, wherein The lifting limiting device comprises a lifting origin sensing block (50) arranged at the lower end of the screw rod (33), and the lower portion of the mounting beam (31) is provided with a lifting sensor support (51); The upper and lower ends of the lifting sensor support (51) are respectively provided with a first proximity switch (52) and a second proximity switch (53), which cooperate with the lifting origin sensing block (50) to limit the lifting range of the screw rod (33).

4. A workpiece carrying lifting mechanism in a sandblasting apparatus as claimed in any one of claims 1 to 3, wherein, The rotating device is provided with a rotating origin resetting device, the rotating origin resetting device comprises a rotating origin baffle (312) arranged on the rotating support column (310) and rotating synchronously therewith, and the side end of the supporting plate (35) is provided with a third proximity switch (351) matched with the rotating origin baffle (312), when the rotating origin baffle (312) is turned to the directly above of the third proximity switch (351), it is the initial origin of the support frame (311).

5. The workpiece carrying lift mechanism in a sandblasting apparatus according to claim 1, wherein, Further comprising a carrying device (17) for transporting the workpiece to be processed to the lifting and rotating assembly (3), and the carrying device (17) comprises a carrying vehicle (171), and a first opening (174) matched with the shape of the support frame (311) is formed in the carrying surface of the carrying vehicle (171), the first opening (174) is communicated with a second opening (175) extending to the edge of the carrying surface of the carrying vehicle (171), and the second opening (175) is semi-closed to facilitate the screw rod (33) to pass through.

6. A workpiece carrying lift mechanism in a sandblasting apparatus as defined in claim 1, wherein The rotating support column (310) is provided with a dust cover (313), and the screw rod (33) is provided with a dust sleeve (331).

7. A workpiece carrying lift mechanism in a sandblasting apparatus as defined in claim 5, wherein The support frame (311) is in a cross shape.

8. A sandblasting device, characterized in that A workpiece carrying lifting mechanism in a sandblasting device as claimed in any one of claims 1-7.

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