Polishing and grinding equipment for outer walls of pipes and bars

Abstract

The invention relates to pipe and bar outer wall polishing and grinding equipment, and belongs to the technical field of polishing and grinding equipment.The pipe and bar outer wall polishing and grinding equipment comprises a workbench and wet-type dust removal equipment, the workbench is provided with a machining mechanism used for polishing and grinding the outer wall of a workpiece, and the two ends of the workbench are symmetrically provided with a plurality of conveying tables; the areas of the two ends of the workbench are divided into a feeding area and a discharging area correspondingly, sliding mechanisms used for controlling workpieces to slide from the feeding area to the discharging area are arranged on the conveying table and the workbench correspondingly, the machining mechanism comprises a plurality of sets of supporting frames arranged on the workbench, and machining plates are slidably connected to the supporting frames. The machining plate is provided with a grinding head used for grinding a workpiece, the supporting frame is provided with a negative pressure collecting opening, the negative pressure collecting opening is located in the tangential direction of grinding of the grinding head and the workpiece, and the negative pressure collecting opening is connected with the wet dust removal equipment through a pipeline. The device has the effect of improving the working efficiency and safety of polishing and grinding the outer walls of the pipes and the bars.

Description

Technical Field

[0001] The present application relates to the technical field of polishing and grinding equipment, and in particular to a polishing and grinding equipment for the outer wall of a pipe or a rod. Background Art

[0002] GIL refers to a gas-insulated metal-enclosed transmission line, and its structure is mainly composed of conductors, insulating media, metal casings and other parts. The conductors are usually made of copper or aluminum and have excellent electrical conductivity. In the prior art, very high quality requirements are placed on the outer surface of the conductor. In the actual production process, it is necessary to remove the oxide layer, impurities, bumps and scratches on the surface of the conductor. At present, manual polishing or lathe sanding (short workpieces, manual operation using special tools) is generally used in production to polish and grind the outer surface. This method not only consumes a lot of time and is difficult to accurately control the amount of grinding, but the dust generated by grinding is harmful to the operator's body, and there is a risk of explosion if it is not handled properly. Summary of the invention

[0003] In order to improve the work efficiency and safety of polishing and grinding the outer walls of pipes and rods, the present application provides a pipe and rod outer wall polishing and grinding equipment.

[0004] The pipe and rod outer wall polishing and grinding equipment provided in this application adopts the following technical solutions:

[0005] Polishing and grinding equipment for the outer wall of pipes and bars, including a workbench and a wet dust removal device, wherein the workbench is provided with a processing mechanism for polishing and grinding the outer wall of a workpiece, and multiple conveying tables are symmetrically provided at both ends of the workbench, and the areas at both ends of the workbench are respectively a loading area and a unloading area, and a control mechanism for controlling the loading and unloading of the workpiece is provided between adjacent conveying tables, and a sliding mechanism for controlling the workpiece to slide from the loading area to the unloading area is provided on both the conveying table and the workbench;

[0006] The processing mechanism includes multiple groups of support frames arranged on the workbench, the multiple groups of support frames are arranged along the length direction of the workbench, a processing plate is slidably connected to the support frame, a processing part for controlling the sliding of the processing plate is provided on the support frame, a grinding head for grinding the workpiece is provided on the processing plate, the multiple groups of grinding heads on the support frames are arranged from coarse to fine along the direction toward the unloading area, a negative pressure collection port is provided on the support frame, the negative pressure collection port is located in the tangent direction of the grinding of the grinding head and the workpiece, and the negative pressure collection port is connected to the wet dust removal equipment through a pipeline.

[0007] By adopting the above technical solution, the workpiece is placed on the conveyor table in the loading area through the control mechanism, and then slides to the workbench under the action of the sliding mechanism. After being polished by the processing mechanism on the workbench, it is moved to the conveyor table in the unloading area and unloaded through the control mechanism. The overall process has a high degree of automation, which effectively improves the efficiency of polishing the workpiece. The dust generated by the grinding head and the workpiece is recovered through the negative pressure collection port and then enters the wet dust removal equipment through the pipeline for centralized dust collection and treatment, which is environmentally friendly and hygienic, and reduces the harm of dust to the operator.

[0008] Preferably, the grinding head uses an abrasive belt, and the processing plate is rotatably connected with a control shaft, a support shaft and a positioning shaft that fit the inner wall of the abrasive belt. The processing plate is provided with a grinding part for driving the control shaft to rotate, and the control shaft drives the abrasive belt to rotate when it rotates. The support shaft is used to provide support for the abrasive belt. There are two positioning shafts, and the two positioning shafts are symmetrically arranged on both sides of the workpiece. The end of the positioning shaft away from the processing plate is rotatably connected to a support rod, and the end of the support rod away from the positioning shaft is rotatably connected to the processing plate.

[0009] By adopting the above technical solution, the control shaft rotates under the action of the grinding piece, thereby driving the sanding belt to rotate and grind the workpiece. The positioning shaft is supported by the setting of the support rod, so that the positioning shaft is not easy to tilt relative to the processing plate under the pressure of the workpiece, thereby improving the service life of the processing mechanism.

[0010] Preferably, a tension block is slidably connected to the processing plate, a tension shaft is rotatably connected to the tension block, the tension shaft is in contact with the inner wall of the abrasive belt, and a tensioning member for controlling the sliding of the tension block is provided on the processing plate.

[0011] By adopting the above technical solution, the tensioning piece controls the sliding of the tensioning block, so that the abrasive belt can always be kept in a tensioned state, which prolongs the service life of the abrasive belt to a certain extent and improves the grinding effect of the abrasive belt on the workpiece.

[0012] Preferably, the control mechanism comprises a control frame arranged perpendicular to the workpiece conveying direction, a control block is slidably connected to the control frame, a control slide rail is arranged along the length direction of the control frame, a control slide groove matching the control slide rail is arranged on the control block, and a control member for controlling the sliding movement of the control block is arranged on the control frame;

[0013] The control block is slidably connected with a clamping block, the clamping block is provided with an engaging groove for the workpiece to engage, the clamping block slides along the vertical direction of the control frame, and the control block is provided with a sliding control member for controlling the sliding of the clamping block.

[0014] By adopting the above technical solution, the sliding of the control block is controlled by the control member, and the sliding of the clamping block is controlled by the sliding control member, thereby realizing automatic loading and unloading of workpieces, with a high degree of automation and reduced labor costs.

[0015] Preferably, the sliding mechanism includes an active block and a driven block, the active block is fixed on a workbench or a conveying table, the driven block is slidably arranged on the workbench or the conveying table, the active block is rotatably connected with an active rotating shaft, the active rotating shaft is provided with a plurality of active wheels that are in contact with the workpiece, the driven block is rotatably connected with a plurality of driven wheels corresponding to the driving wheels, the driven wheels are in contact with the workpiece, the driven wheels are inclined relative to the driving wheels, the active block is provided with a conveying member for driving the active rotating shaft to rotate, and the driven block is provided with an adjusting member for controlling the sliding of the driven block.

[0016] By adopting the above technical solution, when the active shaft rotates under the action of the conveying member, the active wheel can cooperate with the inclined driven wheel, so that the workpiece can rotate while sliding along the length direction of the conveying platform, which facilitates the transportation of the workpiece and improves the reliability and uniformity of grinding the workpiece by the abrasive belt.

[0017] Preferably, two adjacent conveying platforms are rotatably connected with a linkage shaft, linkage gears are coaxially provided at both ends of the linkage shaft, a driving gear corresponding to the linkage gear is provided at the end of the driving shaft, and the driving gear is connected to the corresponding linkage gear through a synchronous toothed belt.

[0018] By adopting the above technical solution, with the cooperation of the linkage gear, the driving gear and the synchronous toothed belt, when the driving shaft on one of the conveyor platforms rotates under the action of the conveying member, it can drive the driving shaft on the other conveyor platform to rotate, thereby reducing the driving source required for workpiece transportation and reducing the cost of use.

[0019] Preferably, the adjusting member includes an adjusting screw threadedly connected to the driven block, and the driven block is provided with an adjusting threaded hole that cooperates with the adjusting screw thread. When the adjusting screw rotates, the driven block slides under the action of the threaded transmission, and the conveying table and the workbench are both provided with adjusting slide rails, and the driven block is provided with an adjusting slide groove that cooperates with the adjusting slide rail.

[0020] By adopting the above technical solution, when the adjusting screw rotates, the driven block slides along the length direction of the adjusting screw under the action of the threaded transmission, and by adjusting the cooperation between the slide rail and the adjusting slide groove, the stability of the sliding of the driven block in the cooperation between the adjusting screw and the adjusting threaded hole is improved, and through the sliding of the driven block, the distance between the driven wheel and the driving wheel can be adjusted, thereby adapting to workpieces of different diameters and improving the application range of the device.

[0021] Preferably, the conveying table and the workbench are also provided with a limit bracket, the limit bracket is rotatably connected to a limit rod, and the limit rod is rotatably connected to a limit wheel at one end toward the active table. After the limit rod is rotated, the limit wheel is in contact with the end surface of the workpiece facing away from the active table, and the limit bracket is provided with a limit part for controlling the rotation of the limit rod.

[0022] By adopting the above technical solution, the limit rod rotates under the action of the limit member so that the limit wheel fits against the end face of the workpiece away from the active platform, thereby effectively limiting the jumping of the workpiece during the grinding and conveying process and improving the grinding quality of the workpiece to a certain extent.

[0023] Preferably, a cover shell is provided on the workbench, and material passing holes for the workpiece to pass through are opened at both ends of the cover shell, and an inspection door is rotatably connected to the cover shell.

[0024] By adopting the above technical solution and setting the cover, the dust generated by the grinding head after polishing the workpiece is not easily moved to the loading area or the unloading area, which effectively reduces the impact of dust on operators and improves the safety of polishing and grinding the workpiece. The design of the inspection door facilitates the inspection and maintenance of the processing mechanism, effectively extending the service life of the processing mechanism.

[0025] Preferably, sensors for detecting the position of the workpiece are provided on both sides of the processing plate, and a mounting frame for supporting the sensors is provided on the processing plate.

[0026] By adopting the above technical solution, the position of the workpiece is determined by the sensor, thereby controlling the start and stop of the grinding motor, making it easier to control the start and stop time of the grinding motor, thereby achieving the effect of reducing the use cost.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. The workpiece is placed on the conveyor table in the loading area through the control mechanism, and then slides to the workbench under the action of the sliding mechanism. After being polished by the processing mechanism on the workbench, it is moved to the conveyor table in the unloading area and unloaded through the control mechanism. The overall process has a high degree of automation, which effectively improves the efficiency of polishing the workpiece;

[0029] 2. The dust generated by the grinding head and the workpiece is recovered through the negative pressure collection port and then enters the wet dust removal equipment through the pipeline for centralized dust collection and treatment, which is environmentally friendly and hygienic, reduces the health hazards of dust to operators, and improves the safety of workpiece grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0031] Figure 2 It is a schematic diagram of the structure of the conveyor platform located in the unloading area in the embodiment of the present application.

[0032] Figure 3 This is a detailed diagram of the conveyor platform in an embodiment of the present application.

[0033] Figure 4 It is a schematic diagram of the control mechanism structure in the embodiment of the present application.

[0034] Figure 5 It is a schematic diagram of the workbench structure in an embodiment of the present application.

[0035] Figure 6 It is a schematic diagram of the internal structure of the workbench in the embodiment of the present application.

[0036] Figure 7 It is a detailed diagram of the processing mechanism in the embodiment of the present application.

[0037] Figure 8 It is a schematic diagram of the back structure of the processing plate in the embodiment of the present application.

[0038] Explanation of the reference numerals: 1. workbench; 11. loading area; 12. unloading area; 13. cover; 131. material passing hole; 132. inspection door; 2. conveying platform; 3. sliding mechanism; 31. active block; 311. active rotating shaft; 312. active bearing; 313. active wheel; 314. conveying motor; 315. active toothed belt; 316. linkage shaft; 317. synchronous toothed belt; 32. driven block; 321. driven wheel; 322. driven part; 323. adjusting screw; 324. adjusting slide rail; 325. dual-output reducer; 326. adjusting motor; 327. adjusting shaft; 4. control mechanism; 41. control frame; 411. control slide rail; 412. control rack; 42. control block; 421. control motor ;422, screw lift;423, guide slide;43, clamping block;431, fitting groove;432, guide column;5, processing mechanism;51, support frame;511, negative pressure collection port;512, support screw;513, support motor;514, support slide rail;52, processing plate;521, threaded block;522, support slider;523, tensioning block;524, tensioning shaft;525, tensioning cylinder;526, sensor;527, mounting frame;53, sanding belt;54, control shaft;541, grinding motor;55, support shaft;56, positioning shaft;561, support rod;6, wet dust removal equipment;61, pipeline;7, limit bracket;71, limit rod;72, limit wheel;73, limit cylinder. DETAILED DESCRIPTION

[0039] The following is combined with Figure 1-8 This application is described in further detail.

[0040] The polishing and grinding equipment for the outer wall of pipes and bars disclosed in the embodiments of the present application, pipes and bars are collectively referred to as workpieces below, and refer to Figure 1 and Figure 2 , including a workbench 1, a plurality of conveyor platforms 2 are symmetrically arranged at both ends of the workbench 1, the number of the conveyor platforms 2 located at both ends of the workbench 1 is the same, and the number of the workbench 1 depends on the actual length of the workpiece. In the embodiment of the present application, two conveyor platforms 2 are arranged at one end of the workbench 1, and the areas at both ends of the workbench 1 are respectively divided into a loading area 11 and an unloading area 12, and a sliding mechanism 3 for sliding the workpiece from the loading area 11 toward the unloading area 12 is provided on the conveyor platform 2 and the workbench 1.

[0041] Reference Figure 2 and Figure 3 The sliding mechanism 3 includes an active block 31 and a driven block 32. Both the active block 31 and the driven block 32 are arranged along the sliding direction of the workpiece. The active block 31 is fixed on the workbench 1 or the conveying table 2, and the driven block 32 is slidably arranged on the workbench 1 or the conveying table 2. The driven block 32 slides perpendicular to the sliding direction of the workpiece. The active block 31 is rotatably connected with an active shaft 311. The active shaft 311 is arranged along the length direction of the active block 31. The active block 31 is provided with an active bearing 312 for providing support for the active shaft 311. The active shaft 311 is coaxially fixed with a plurality of shafts rotatably connected with the workpiece. A driving wheel 313 is fitted thereto, and the number of driving wheels 313 depends on the length of the driving rotating shaft 311; a driven wheel 321 corresponding to the driving wheel 313 is rotatably connected to the driven block 32, and the driven wheel 321 is fitted thereto. A driven portion 322 for providing support to the driven wheel 321 is provided on the driven block 32, and the driven wheel 321 is inclined relative to the driving wheel 313, and the driven portion 322 is rotatably arranged on the driven block 32, and the inclination angle of the driven wheel 321 compared to the driving wheel 313 can be adjusted by rotating the driven portion 322, thereby adjusting the feed speed of the workpiece.

[0042] Reference Figure 2The active block 31 is provided with a conveying member for driving the active shaft 311 to rotate. The conveying member includes a conveying motor 314 fixedly mounted on the conveying platform 2 or the workbench 1. A driving gear is coaxially fixedly mounted on the end of the active shaft 311. A conveying gear corresponding to the driving gear is provided on the conveying motor 314. The driving gear and the conveying gear are connected by a driving toothed belt 315. Through the rotation of the conveying gear, the driving gear can rotate under the action of the gear transmission. The driving shafts 311 on the two adjacent conveyor platforms 2 are rotated under the action of the same conveying motor 314, so as to achieve the effect of reducing energy. A linkage shaft 316 is rotatably connected between the two adjacent conveyor platforms 2. The linkage shaft 316 is arranged along the length direction of the conveyor platform 2 and rotates with its own axis as the rotation axis. Both ends of the linkage shaft 316 are coaxially fixed with linkage gears, which correspond to the driving gears on the driving shaft 311. The linkage gears are connected to the corresponding driving gears through a synchronous toothed belt 317. Under the cooperation of the linkage gears, the driving gears and the synchronous toothed belt 317, when the driving shaft 311 on one of the conveyor platforms 2 rotates under the action of the conveying motor 314, it can drive the driving shaft 311 on the other conveyor platform 2 to rotate, thereby reducing the driving source required for workpiece transportation and reducing the use cost.

[0043] Reference Figure 3 The driven block 32 is provided with an adjusting member for controlling the sliding of the driven block 32, and the adjusting member includes a plurality of adjusting screws 323 threadedly connected to the driven block 32. The number of adjusting screws 323 depends on the length direction of the driven platform. The adjusting screws 323 are arranged along the sliding direction of the driven block 32, and the driven block 32 is provided with an adjusting threaded hole threadedly matched with the adjusting screw 323. When the adjusting screw 323 rotates, the driven block 32 slides along the length direction of the adjusting screw 323 under the action of the threaded transmission, so that the conveying platform 2 and the working platform 1 are both provided with an adjusting slide rail 324, and the driven block 32 is provided with an adjusting slide groove matched with the adjusting slide rail 324. Through the cooperation between the adjusting slide rail 324 and the adjusting slide groove, the sliding stability of the driven block 32 in the cooperation between the adjusting screw 323 and the adjusting threaded hole is improved, and through the sliding of the driven block 32, the distance between the driven wheel 321 and the driving wheel 313 can be adjusted, so as to adapt to workpieces of different diameters and improve the application range of the device.

[0044] Reference Figure 3A plurality of dual-output reducers 325 corresponding to the adjusting screws 323 are fixedly arranged on the conveying platform 2 or the working platform 1. An adjusting motor 326 is also fixedly arranged on the conveying platform 2 or the working platform 1. The output shaft of the adjusting motor 326 is coaxially fixed with the input shaft of the dual-output reducer 325 located at the end. The adjusting screw 323 is coaxially fixed with the output shaft of the corresponding dual-output reducer 325. Two adjacent dual-output reducers 325 are fixed by an adjusting shaft 327. One end of the adjusting shaft 327 is coaxially fixed with the output shaft of one of the dual-output reducers 325, and the other end of the adjusting shaft 327 is coaxially fixed with the input shaft of the other dual-output reducer 325, so that the plurality of adjusting screws 323 can rotate synchronously under the action of the same driving source, which saves energy and improves the synchronization of the rotation of the adjusting screws 323, thereby improving the sliding stability of the driven block 32.

[0045] Reference Figure 1 , Figure 2 and Figure 4 A control mechanism 4 for controlling the loading and unloading of workpieces is provided between adjacent conveying tables 2. In actual application, a placing table for placing workpieces before or after processing needs to be placed between adjacent conveying tables 2. The control mechanism 4 includes a control frame 41, which can be fixed to the conveying table 2 by a plate. The control frame 41 is arranged perpendicular to the conveying direction of the workpiece. A control block 42 is slidably connected to the control frame 41. The control frame 41 is provided with a control slide rail 411 arranged along the length direction of the control frame 41. The control block 42 is provided with a control slide rail 411 arranged along the length direction of the control frame 41. The slide rail 411 cooperates with the control slide groove, and the control slide rail 411 cooperates with the control slide groove to improve the stability of the control block 42 sliding on the control frame 41. The control frame 41 is provided with a control member for controlling the sliding of the control block 42. The control member includes a control rack 412 fixed on the control frame 41, and a control motor 421 is fixed on the control block 42. The output shaft of the control motor 421 is provided with a control gear that meshes with the control rack 412. When the control gear rotates, it drives the control block 42 to slide along the length direction of the control slide rail 411.

[0046] Reference Figure 4 The control block 42 is slidably connected with a clamping block 43, and the clamping block 43 slides in the vertical direction. The clamping block 43 is provided with an engaging groove 431 for the workpiece to engage. The setting of the engaging groove 431 makes it difficult for the workpiece to move away from the clamping block 43. The control block 42 is provided with a sliding control member for controlling the sliding of the clamping block 43. The sliding control member uses a screw lift 422. A guide column 432 is provided on the clamping block 43. The control block 42 is provided with a guide groove 423 for the guide column 432 to slide. The cooperation between the guide column 432 and the guide groove 423 effectively improves the sliding reliability of the clamping block 43.

[0047] When loading, the control block 42 first slides until the clamping block 43 is located below the workpiece, and then the clamping block 43 is controlled to slide until the workpiece is separated from the placement table. At this time, the workpiece is located in the engaging groove 431, and then the control block 42 is controlled to slide until the workpiece is located above the conveying table 2, and the clamping block 43 is retracted, so that the workpiece is placed on the conveying table 2, and the loading is completed; when unloading, the control block 42 is first controlled to slide until the clamping block 43 is located below the conveying table 2, and then the clamping block 43 is controlled to slide until the workpiece is separated from the conveying table 2, and then the control block 42 is controlled to slide until the workpiece is located above the placement table, and the clamping block 43 is retracted, so that the workpiece is placed on the placement table, and the unloading is completed.

[0048] Reference Figure 1 , Figure 5 and Figure 6 The workbench 1 is provided with a processing mechanism 5 for polishing the outer wall of the workpiece. The processing mechanism 5 includes multiple groups of support frames 51 arranged on the workbench 1. The number of support frames 51 depends on the length of the workbench 1. The multiple groups of support frames 51 are arranged along the length direction of the workbench 1. A processing plate 52 is slidably connected to the support frame 51. The processing plate 52 is provided with a grinding head for polishing the workpiece. The grinding heads on the multiple groups of support frames 51 are arranged from coarse to fine along the direction toward the unloading area 12. In the process of polishing, the workpiece can rotate and move at the same time under the action of the driving wheel 313. In the process of polishing, the oxide layer, scratches, foreign matter, etc. on the outer surface of the workpiece can be effectively removed. No new defects are generated after polishing. The outer surface texture is clear and regular, which improves the consistency and quality of the appearance of the workpiece.

[0049] Reference Figure 5 and Figure 6 A cover shell 13 is provided on the workbench 1. Both ends of the cover shell 13 are provided with material passing holes 131 for the workpiece to pass through. An inspection door 132 is rotatably connected to the cover shell 13. Through the setting of the cover shell 13, the dust generated by the grinding head after polishing the workpiece is not easy to move to the loading area 11 or the unloading area 12, which effectively reduces the impact of the dust on the operator and improves the safety of polishing the workpiece. The design of the inspection door 132 facilitates the inspection and maintenance of the processing mechanism 5, effectively extending the service life of the processing mechanism 5.

[0050] Reference Figure 5 The pipe and rod outer wall polishing and grinding equipment also includes a wet dust removal equipment 6. Two negative pressure collection ports 511 are fixedly connected to the support frame 51. The two negative pressure collection ports 511 are respectively located on both sides of the tangent direction of the grinding head and the workpiece. The negative pressure collection port 511 is connected to the wet dust removal equipment 6 through a pipeline 61. The dust generated by the grinding head and the workpiece is recovered through the negative pressure collection port 511 and then enters the wet dust removal equipment 6 through the pipeline 61 for centralized dust collection and treatment, which is environmentally friendly and hygienic, and reduces the health hazards of dust to operators.

[0051] Reference Figure 6 and Figure 7 The grinding head uses an abrasive belt 53, and a control shaft 54, a support shaft 55 and a positioning shaft 56 that cooperate with the inner wall of the abrasive belt 53 are rotatably connected to the processing plate 52. The processing plate 52 is provided with a grinding piece for driving the control shaft 54 ​​to rotate. In the embodiment of the present application, the grinding piece uses a grinding motor 541, and the grinding motor 541 is fixed on the processing plate 52. The output shaft of the grinding motor 541 is coaxially fixed with the control shaft 54. When the control shaft 54 ​​rotates, it can drive the abrasive belt 53 to rotate, so that the workpiece can be ground by the abrasive belt 53. During grinding, the support shaft 55 is used to provide support for the abrasive belt 53. There are two positioning shafts 56, which are symmetrically arranged on both sides of the workpiece. One end of the positioning shaft 56 away from the processing plate 52 is rotatably connected to a support rod 561, and one end of the support rod 561 away from the positioning shaft 56 is rotatably connected to the processing plate 52. The positioning shaft 56 is supported by the setting of the support rod 561, so that the positioning shaft 56 is not easily tilted relative to the processing plate 52 under the pressure of the workpiece, thereby improving the service life of the processing mechanism 5.

[0052] Reference Figure 7 and Figure 8 The support frame 51 is provided with a processing part for controlling the sliding of the processing plate 52. Through the sliding of the processing plate 52, the distance between the sanding belt 53 and the workpiece can be controlled, thereby improving the reliability of grinding the workpiece by the sanding belt 53. The processing part includes a support screw 512 rotatably arranged on the support frame 51, a threaded block 521 threadedly matched with the support screw 512 is fixedly arranged on the processing plate 52, a support motor 513 for controlling the rotation of the support screw 512 is fixedly arranged on the cover 13, and the output shaft of the support motor 513 is coaxially fixed with the support screw 512. When the support screw 512 rotates, the processing plate 52 can slide under the action of the threaded transmission, and a support slide rail 514 is also provided on the support frame 51, and a support slider 522 matched with the support slide rail 514 is provided on the processing plate 52. The support slide rail 514 cooperates with the support slider 522, thereby improving the sliding stability of the processing plate 52.

[0053] Reference Figure 6 and Figure 7 A tensioning block 523 is slidably connected to the processing plate 52, and a tensioning shaft 524 is rotatably connected to the tensioning block 523. The tensioning shaft 524 is in contact with the inner wall of the sanding belt 53. A tensioning member for controlling the sliding of the tensioning block 523 is provided on the processing plate 52. The tensioning member includes a tensioning cylinder 525 fixed on the processing plate 52. The piston rod of the tensioning cylinder 525 is fixed to the tensioning block 523. The sliding of the tensioning block 523 can be controlled by the tensioning cylinder 525, so that the sanding belt 53 can always maintain a tensioned state, which prolongs the service life of the sanding belt 53 to a certain extent and improves the sanding effect of the sanding belt 53 on the workpiece.

[0054] Reference Figure 7 and Figure 8 Sensors 526 for detecting the position of the workpiece are provided on both sides of the processing plate 52. A mounting frame 527 for supporting the sensor 526 is provided on the processing plate 52. The position of the workpiece is judged by the sensor 526, so as to control the start and stop of the grinding motor 541, thereby facilitating the control of the start and stop time of the grinding motor 541, thereby achieving the effect of reducing the use cost.

[0055] Reference Figure 2 and Figure 3 , a limit bracket 7 is also provided on the conveying table 2 and the workbench 1. Generally, a limit bracket 7 is provided on the conveying table 2, and limit brackets 7 are provided on both sides of the workbench 1. Three limit brackets 7 are provided on the conveying table 2 near the workbench 1 in the unloading area 12. The limit bracket 7 is rotatably connected to a limit rod 71, and the limit rod 71 is rotatably connected to a limit wheel 72 at one end facing the active table. After the limit rod 71 rotates, the limit wheel 72 fits the end face of the workpiece away from the active table, thereby effectively limiting the jumping of the workpiece during the grinding and conveying process, and improving the grinding quality of the workpiece to a certain extent. A limit member for controlling the rotation of the limit rod 71 is provided on the limit bracket 7. The limit member includes a limit cylinder 73 rotatably connected to the limit bracket 7, and the piston rod of the limit cylinder 73 is rotatably connected to the end of the limit rod 71 away from the limit wheel 72.

[0056] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. Pipe and bar outer wall polishing equipment, characterized in that: The invention comprises a workbench (1) and a wet dust removal device (6), wherein the workbench (1) is provided with a processing mechanism (5) for polishing and grinding the outer wall of a workpiece, and a plurality of conveying platforms (2) are symmetrically provided at both ends of the workbench (1), and the areas at both ends of the workbench (1) are respectively a loading area (11) and a unloading area (12), and a control mechanism (4) for controlling the loading and unloading of the workpiece is provided between adjacent conveying platforms (2), and a sliding mechanism (3) for controlling the workpiece to slide from the loading area (11) toward the unloading area (12) is provided on both the conveying platform (2) and the workbench (1); The processing mechanism (5) comprises a plurality of support frames (51) arranged on the workbench (1), the plurality of support frames (51) being arranged along the length direction of the workbench (1), a processing plate (52) being slidably connected to the support frames (51), a processing piece for controlling the sliding of the processing plate (52) being provided on the support frames (51), a grinding head for grinding a workpiece being provided on the processing plate (52), the grinding heads on the plurality of support frames (51) being arranged from coarse to fine in a direction toward the unloading area (12), a negative pressure collection port (511) being provided on the support frames (51), the negative pressure collection port (511) being located in the tangent direction between the grinding head and the workpiece being ground, and the negative pressure collection port (511) being connected to the wet dust removal device (6) via a pipeline (61).

2. The equipment for polishing and grinding the outer wall of pipes and bars according to claim 1 is characterized in that: The grinding head uses an abrasive belt (53); the processing plate (52) is rotatably connected with a control shaft (54) that is in contact with the inner wall of the abrasive belt (53), a support shaft (55) and a positioning shaft (56); the processing plate (52) is provided with a grinding piece for driving the control shaft (54) to rotate; when the control shaft (54) rotates, the abrasive belt (53) is driven to rotate; the support shaft (55) is used to provide support for the abrasive belt (53); there are two positioning shafts (56), and the two positioning shafts (56) are symmetrically arranged on both sides of the workpiece; one end of the positioning shaft (56) away from the processing plate (52) is rotatably connected with a support rod (561); one end of the support rod (561) away from the positioning shaft (56) is rotatably connected to the processing plate (52).

3. The equipment for polishing and grinding the outer wall of pipes and bars according to claim 2 is characterized in that: A tensioning block (523) is slidably connected to the processing plate (52), a tensioning shaft (524) is rotatably connected to the tensioning block (523), the tensioning shaft (524) is in contact with the inner wall of the sanding belt (53), and a tensioning member for controlling the sliding of the tensioning block (523) is provided on the processing plate (52).

4. The equipment for polishing and grinding the outer wall of pipes and bars according to claim 2 is characterized in that: The control mechanism (4) comprises a control frame (41) arranged perpendicular to the workpiece conveying direction, a control block (42) is slidably connected to the control frame (41), a control slide rail (411) is arranged along the length direction of the control frame (41) on the control frame (41), a control slide groove matched with the control slide rail (411) is arranged on the control block (42), and a control member for controlling the sliding movement of the control block (42) is arranged on the control frame (41); The control block (42) is slidably connected to a clamping block (43), the clamping block (43) is provided with an engaging groove (431) for engaging a workpiece, the clamping block (43) slides along the vertical direction of the control frame (41), and the control block (42) is provided with a sliding control member for controlling the sliding of the clamping block (43).

5. The equipment for polishing and grinding the outer wall of pipes and bars according to claim 4 is characterized in that: The sliding mechanism (3) comprises an active block (31) and a driven block (32); the active block (31) is fixedly mounted on a workbench (1) or a conveying platform (2); the driven block (32) is slidably mounted on the workbench (1) or the conveying platform (2); the active block (31) is rotatably connected to a driving shaft (311); the driving shaft (311) is provided with a plurality of driving wheels (313) that are in contact with a workpiece; the driven block (32) is rotatably connected to a plurality of driven wheels (321) corresponding to the driving wheels (313); the driven wheels (321) are in contact with the workpiece; the driven wheels (321) are inclined relative to the driving wheels (313); the active block (31) is provided with a conveying member for driving the active shaft (311) to rotate; and the driven block (32) is provided with an adjusting member for controlling the sliding of the driven block (32).

6. The equipment for polishing and grinding the outer wall of pipes and bars according to claim 5, characterized in that: A linkage shaft (316) is rotatably connected between two adjacent conveying platforms (2), linkage gears are coaxially arranged at both ends of the linkage shaft (316), a driving gear corresponding to the linkage gear is arranged at the end of the driving shaft (311), and the driving gear is connected to the corresponding linkage gear via a synchronous toothed belt (317).

7. The equipment for polishing and grinding the outer wall of pipes and bars according to claim 5, characterized in that: The adjusting member comprises an adjusting screw (323) threadedly connected to the driven block (32); the driven block (32) is provided with an adjusting threaded hole threadedly matched with the adjusting screw (323); when the adjusting screw (323) rotates, the driven block (32) slides under the action of the threaded transmission; the conveying platform (2) and the working platform (1) are both provided with adjusting slide rails (324); the driven block (32) is provided with an adjusting slide groove matched with the adjusting slide rail (324).

8. The equipment for polishing and grinding the outer wall of pipes and bars according to claim 5, characterized in that: The conveying platform (2) and the workbench (1) are also provided with a limit bracket (7), the limit bracket (7) is rotatably connected to a limit rod (71), the limit rod (71) is rotatably connected to one end of the active platform with a limit wheel (72), and after the limit rod (71) is rotated, the limit wheel (72) is in contact with the end face of the workpiece away from the active platform, and the limit bracket (7) is provided with a limit member for controlling the rotation of the limit rod (71).

9. The equipment for polishing and grinding the outer wall of pipes and bars according to claim 1, characterized in that: The workbench (1) is provided with a cover shell (13), both ends of which are provided with material passing holes (131) for the workpiece to pass through, and an inspection door (132) is rotatably connected to the cover shell (13).

10. The equipment for polishing and grinding the outer wall of pipes and bars according to claim 2, characterized in that: Sensors (526) for detecting the position of a workpiece are provided on both sides of the processing plate (52), and a mounting frame (527) for supporting the sensor (526) is provided on the processing plate (52).

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