Engine piston polishing equipment and using method

Abstract

The invention discloses engine piston polishing equipment and a using method, and relates to the technical field of engine machining equipment. The device comprises a first support and a polishing assembly, a polishing box is fixed to the top of the first support, the polishing assembly is installed in the polishing box, and a feeding cylinder is fixed to the top of the polishing box; the polishing device further comprises a second support, the second support is fixed to the bottom of the polishing box, the inner side of the second support is provided with a frosted screening assembly and a metal abrasive dust separation assembly, and the metal abrasive dust separation assembly is located below the frosted screening assembly. Through cooperation of the polishing assembly, the frosted sand screening assembly and the metal abrasive dust separation assembly, recyclable available frosted sand can be separated from large abrasive dust and metal abrasive dust, pollution of the abrasive dust to the frosted sand is reduced, and the polishing quality of the equipment to a piston can be kept for a long time; and through cooperation of the dull polish circulating conveying assembly and the dull polish cooling assembly, used polishing dull polish can be cooled, and the situation that the polishing quality is affected by high-temperature dull polish is avoided.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of engine processing equipment, in particular to an engine piston polishing equipment and a using method. BACKGROUND

[0002] The engine piston is the core component of the internal combustion engine, and its precision directly affects the performance and service life of the engine. During the production process of the piston, burrs, oxidation layers or processing marks often remain on the surface, which can cause the sealing performance of the cylinder to decrease, the friction to increase, and even cause failures. Therefore, polishing treatment is a key process in piston manufacturing.

[0003] However, the current engine piston polishing equipment adopts a polishing rod to drive a spiral blade to rotate in the polishing box to form a vortex, so that the sanding and the piston surface are rubbed at high speed for polishing, and then the filter screen separates the piston and the sanding, and the conveying belt sends the sanding back to the polishing box for recycling. However, the polishing produces abrasive dust, which pollutes the sanding, and the temperature of the sanding increases after multiple polishing, and the abrasive dust and high-temperature sanding affect the quality of the next polishing, and the equipment reduces the polishing quality of the subsequent piston after being used for a period of time. SUMMARY

[0004] The purpose of the present application is to provide an engine piston polishing equipment and a using method to solve the existing problems: the polishing produces abrasive dust, which pollutes the sanding, and the temperature of the sanding increases after multiple polishing, and the abrasive dust and high-temperature sanding affect the quality of the next polishing, and the equipment reduces the polishing quality of the subsequent piston after being used for a period of time.

[0005] To solve the above technical problems, the present application is realized by the following technical scheme: The present application is an engine piston polishing equipment, which comprises a first support and a polishing assembly, the top of the first support is fixed with a polishing box, the polishing assembly is installed inside the polishing box, and the top of the polishing box is fixed with a feeding cylinder; It further comprises a second support, the second support is fixed at the bottom of the polishing box, the inner side of the second support is equipped with a sanding screening assembly and a metal abrasive dust separating assembly, the metal abrasive dust separating assembly is located below the sanding screening assembly, the sanding screening assembly is used to separate large abrasive dust and usable sanding, and the metal abrasive dust separating assembly is used to separate metal abrasive dust and usable sanding.

[0006] Further, the polishing assembly comprises a polishing rod and a spiral blade, the polishing rod is rotatably connected in the interior of the polishing box through a bearing, the spiral blade is fixed on the outside of the polishing rod, one end of the polishing box is fixed with a polishing driving motor, the output end of the polishing driving motor is fixed with one end of the polishing rod, the bottom of the polishing box is provided with a feeding port, and the top of the polishing box is provided with a feeding port.

[0007] Further, the interior of the second support is provided with a separation cavity, the separation cavity is located below the feeding port, an inclined workpiece guide plate is fixed in the interior of the separation cavity, one end of the separation cavity is provided with a workpiece discharging port and a cleaning and maintenance port, the cleaning and maintenance port is located below the workpiece discharging port, and one end of the cleaning and maintenance port is fixed with a maintenance door through a butterfly screw.

[0008] Further, the separation and screening assembly comprises a separation and screening plate, the separation and screening plate is slidably connected in the interior of the separation cavity, the separation and screening plate is located below the workpiece guide plate, the aperture in the interior of the workpiece guide plate is larger than the aperture in the interior of the separation and screening plate, the two sides of the bottom of the separation and screening plate are fixed with driven transmission rods, the interior of the separation cavity is rotatably connected with a driving circular rod through a bearing, the outside of the driving circular rod is fixed with two driving cams, the two driving cams are located below the two driven transmission rods respectively, one side of the second support is fixed with a screening and separating driving motor through a screw, and the output end of the screening and separating driving motor is fixed with one side of the driving circular rod.

[0009] Further, the two sides of the separation and screening plate are fixed with displacement sliding rails, the interior of the separation cavity is provided with displacement guide grooves corresponding to the positions of the displacement sliding rails in position, and the displacement sliding rails are slidably connected with the displacement guide grooves.

[0010] Further, the metal grinding scrap separating assembly comprises a first connecting circular rod, a second connecting circular rod and a magnetic block, the first connecting circular rod and the second connecting circular rod are rotatably connected in the interior of the separation cavity through bearings, the outside of the first connecting circular rod and the second connecting circular rod are both fixed with metal grinding scrap separating cylinders, the magnetic block is filled in the interiors of the two metal grinding scrap separating cylinders, one side of the driving circular rod away from the screening and separating driving motor is connected with the first connecting circular rod through a first transmission belt, one side of the first connecting circular rod and the second connecting circular rod is fixed with a first transmission gear, and the two first transmission gears are meshed and connected.

[0011] Further, the interior of the separation cavity is fixed with a collecting cylinder, the collecting cylinder is located below the metal grinding scrap separating cylinder, and the bottom of the collecting cylinder is fixed with an inclined first conveying pipeline.

[0012] Further, one side of the polishing box is provided with a sanding circulating conveying assembly, the sanding circulating conveying assembly comprises two conveying connecting plates, a first transmission round rod and a second transmission round rod are rotationally connected between the two conveying connecting plates, conveying rollers are fixed to the outer sides of the first transmission round rod and the second transmission round rod, two conveying rollers are connected by a circulating conveying belt, one port of the first conveying pipeline is located above the circulating conveying belt, a plurality of conveying pieces are fixed to the outer side of the circulating conveying belt, a plurality of conveying auxiliary round rods are rotationally connected between the two conveying connecting plates, conveying auxiliary rollers are fixed to the outer sides of the conveying auxiliary round rods, and the second connecting round rod and the first transmission round rod are connected by a second transmission belt; One side of the top of the first support is welded with a supporting seat, the top of the supporting seat is obliquely fixed with a second conveying pipeline, the top of the second conveying pipeline is welded with a sand receiving cylinder, one port of the second conveying pipeline is located inside the polishing box, the bottoms of the first support and the second support are welded with supporting bottom pads, one end of the bottom of the conveying connecting plate is fixed with one of the supporting bottom pads, and the other end of the bottom of the conveying connecting plate is fixed with the sand receiving cylinder.

[0013] Further, the top of the sanding circulating conveying assembly is provided with a sanding cooling assembly, the sanding cooling assembly comprises a connecting box body, the connecting box body is fixed to the top of the two conveying connecting plates, a plurality of third transmission round rods are rotationally connected to the inner sides of the connecting box body, one side of one of the third transmission round rods penetrates through the connecting box body and is fixed with a second transmission gear, one side of the second transmission round rod penetrates through one of the conveying connecting plates and is fixed with a third transmission gear, the second transmission gear and the third transmission gear are meshingly connected, the diameter of the second transmission gear is smaller than that of the third transmission gear, the outer sides of the third transmission round rods are all fixed with cooling blades, the cooling blades are all located inside the connecting box body, every two adjacent third transmission round rods are connected by a third transmission belt, and a plurality of cooling air inlet through holes are uniformly arranged on the two sides of the connecting box body. The top of the inner side of the connecting box body is fixed with water-cooling radiating fins by screws, the top of the connecting box body is fixed with a cooling liquid tank and a circulating pump by screws, the inside of the cooling liquid tank is filled with cooling liquid, the outlet of the water-cooling radiating fins penetrates through the connecting box body and is connected with one end of the cooling liquid tank by a round pipe, the inlet of the water-cooling radiating fins penetrates through the connecting box body and is connected with the output port of the circulating pump by a round pipe, the input port of the circulating pump is connected with the cooling liquid tank by a round pipe, and the top of the cooling liquid tank is threadedly connected with a top cover.

[0014] A use method of the engine piston polishing equipment, steps are as follows: Step one: start the polishing drive motor and the screening separation drive motor in sequence; Step two: put the polished abrasive into the sand receiving cylinder, and put the piston into the feeding cylinder one by one; Step three: place the receiving box outside the workpiece discharge port to receive the polished piston; Step four: start the circulating pump to make the cooling liquid circulate in the water-cooled heat sink, and cooperate with the cooling blade rotation to cool the used polishing abrasive.

[0015] The present application has the following beneficial effects: 1. The present application can separate the reusable abrasive from the large abrasive and metal abrasive through the cooperation of the polishing assembly, abrasive screening assembly and metal abrasive separation assembly, thereby greatly reducing the pollution of abrasive to abrasive, improving the purity of polished abrasive, and maintaining the polishing quality of the equipment to the piston for a long time.

[0016] 2. The present application can efficiently cool the used polishing abrasive through the cooperation of the abrasive circulating conveying assembly and the abrasive cooling assembly, thereby avoiding the influence of high-temperature abrasive on the next round of polishing quality, and further maintaining the polishing quality of the equipment for a long time. DETAILED DESCRIPTION

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0018] Figure 1 It is a schematic view of the overall structure of the present application; Figure 2 It is a rear view of the present application; Figure 3 It is a right view of the present application; Figure 4 It is a sectional view of the polishing box of the present application; Figure 5 It is a sectional view of the second bracket of the present application; Figure 6 It is a connection structure diagram of the driving round rod, the first connecting round rod and the second connecting round rod of the present application; Figure 7 It is a structure diagram of the separation screening plate, the driven transmission rod and the displacement slide rail of the present application; Figure 8 It is a structure diagram of the support seat, the second conveying pipeline and the sand receiving cylinder of the present application; Figure 9 It is a connection structure diagram of the conveying connecting plate and the connecting box of the present application; Figure 10It is a structural schematic view of the first transmission round rod, the second transmission round rod and the circulating conveying belt of the present application. Figure 11 It is a structural schematic view of the cooling vane and the third transmission belt of the present application. Figure 12 It is a structural schematic view of the water-cooling radiating fin of the present application.

[0019] In the drawings, the components represented by each reference numeral are listed as follows: 1, first support; 2, polishing box; 3, feeding cylinder; 4, second support; 5, polishing rod; 6, spiral blade; 7, polishing driving motor; 8, delivery port; 9, feeding port; 10, separation cavity; 11, workpiece guide plate; 12, workpiece discharge port; 13, separation and screening plate; 14, driven transmission rod; 15, driving round rod; 16, driving cam; 17, displacement sliding rail; 18, displacement guide groove; 19, first connecting round rod; 20, second connecting round rod; 21, metal swarf separation cylinder; 22, first transmission belt; 23, first transmission gear; 24, collection cylinder; 25, first conveying pipeline; 26, maintenance door; 27, conveying connecting plate; 28, first transmission round rod; 29, second transmission round rod; 30, conveying roller; 31, circulating conveying belt; 32, conveying piece; 33, conveying auxiliary round rod; 34, conveying auxiliary roller; 35, second transmission belt; 36, support seat; 37, second conveying pipeline; 38, sand receiving cylinder; 39, connecting box body; 40, third transmission round rod; 41, second transmission gear; 42, third transmission gear; 43, cooling vane; 44, third transmission belt; 45, cooling air inlet through hole; 46, water-cooling radiating fin; 47, cooling liquid tank; 48, circulating pump; 49, top cover; 50, screening and separation driving motor; 51, support bottom pad. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0021] Embodiment one: Please see Figures 1-7 The present application is a kind of engine piston polishing equipment, including first support 1, polishing assembly and second support 4, the top of first support 1 is fixed with polishing box 2, polishing assembly is installed inside polishing box 2, the top of polishing box 2 is fixed with feeding cylinder 3; The second support 4 is fixed at the bottom of the polishing box 2, the inner side of the second support 4 is equipped with a sanding screen assembly and a metal abrasive separation assembly, the metal abrasive separation assembly is below the sanding screen assembly, the sanding screen assembly is used for separating large abrasive and usable sand, and preventing the internal hole from being blocked, and the metal abrasive separation assembly is used for separating metal abrasive and usable sand.

[0022] The polishing assembly specifically comprises a polishing rod 5 and a spiral blade 6, the polishing rod 5 is rotationally connected in the inside of the polishing box 2 through a bearing, the spiral blade 6 is fixed at the outside of the polishing rod 5, one end of the polishing box 2 is fixed with a polishing driving motor 7, the output end of the polishing driving motor 7 is fixed with one end of the polishing rod 5, and then the polishing rod 5 and the spiral blade 6 can be rotated by starting the polishing driving motor 7, and the cooperation between the polishing box 2 and the rotating polishing rod 5 and spiral blade 6 is used for polishing the piston. In other embodiments, a jet nozzle can also be installed on the side wall of the polishing box 2 in an inclined manner, further enhancing the flowability of the sand in the special-shaped area, and a retractable stirring needle can also be installed on the polishing rod 5, and then the sand in the piston cavity can be disturbed, and the specific setting can be made according to the process use requirement.

[0023] The bottom of the polishing box 2 is provided with a delivery port 8, and the top of the polishing box 2 is provided with a feeding port 9, the feeding port 9 is below the inside of the feeding cylinder 3, the feeding port 9 is provided, so that the piston put into the feeding cylinder 3 enters the inside of the polishing box 2 through the feeding port 9, and the delivery port 8 is provided, so that the polished piston and sand fall.

[0024] The inside of the second support 4 is provided with a separation cavity 10, the separation cavity 10 is below the delivery port 8, so that the polished piston and sand fall into the separation cavity 10 through the delivery port 8. The inside of the separation cavity 10 is fixed with a workpiece guide plate 11 in an inclined manner, one end of the separation cavity 10 is provided with a workpiece discharge port 12 and a cleaning and maintenance port, the workpiece is separated through the workpiece guide plate 11, and the workpiece is discharged outward from the workpiece discharge port 12. The cleaning and maintenance port is below the workpiece discharge port 12, one end of the cleaning and maintenance port is fixed with a maintenance door 26 through a butterfly screw, after long time use, the maintenance door 26 is removed, the sanding screen assembly and the metal abrasive separation assembly can be cleaned and maintained through the cleaning and maintenance port, so as to maintain the separation effect and prolong the service life.

[0025] The abrasive dust screening assembly comprises a separation screening plate 13 which is slidingly connected inside the separation cavity 10, and is located below the workpiece guide plate 11. The aperture of the workpiece guide plate 11 is larger than that of the separation screening plate 13, so that the workpiece and the abrasive dust are separated through the workpiece guide plate 11, and the polished workpiece is guided and discharged by its own weight in cooperation with the inclined workpiece guide plate 11. The large abrasive dust and the usable abrasive dust are separated through the separation screening plate 13, so that the device can maintain good polishing effect. The two sides of the bottom of the separation screening plate 13 are fixed with driven transmission rods 14, the inside of the separation cavity 10 is rotatably connected with a driving round rod 15 through a bearing, the outside of the driving round rod 15 is fixed with two driving cams 16, the two driving cams 16 are located below the two driven transmission rods 14 respectively, one side of the second support 4 is fixed with a screening separation driving motor 50 through screws, and the output end of the screening separation driving motor 50 is fixed with one side of the driving round rod 15. In use, the screening separation driving motor 50 is started to drive the driving round rod 15 to rotate, so that the driving cam 16 rotates around the axis of the driving round rod 15, so that the separation screening plate 13 can move up and down through the cooperation between the driven transmission rod 14 and the driving cam 16, the large abrasive dust is blocked above the separation screening plate 13, the usable abrasive dust falls downward through the separation screening plate 13, and the internal hole is prevented from being blocked.

[0026] In the embodiment, the two sides of the separation screening plate 13 are fixed with displacement sliding rails 17, displacement guide grooves 18 corresponding to the positions of the displacement sliding rails 17 are formed in the inside of the separation cavity 10, and the displacement sliding rails 17 and the displacement guide grooves 18 are slidingly connected, so that the movement direction of the separation screening plate 13 is limited through the cooperation of the displacement sliding rails 17 and the displacement guide grooves 18, so that the abrasive dust screening assembly can stably operate.

[0027] Embodiment two: Please refer to Figures 1-3 , Figure 5 and Figure 6 , the embodiment is improved on the basis of the first embodiment. The metal abrasive dust separation assembly comprises a first connecting round rod 19, a second connecting round rod 20 and a magnetic block. The first connecting round rod 19 and the second connecting round rod 20 are rotatably connected to the inside of the separation cavity 10 through bearings, the outside of the first connecting round rod 19 and the second connecting round rod 20 are fixed with metal abrasive dust separation cylinders 21, and the magnetic block is uniformly filled in the inside of the two metal abrasive dust separation cylinders 21. Then, through the design of the metal abrasive dust separation cylinder 21 and the magnetic block, the metal abrasive dust can be adsorbed outside the metal abrasive dust separation cylinder 21, so that the metal abrasive dust and the usable abrasive dust can be separated.

[0028] And, the driving round rod 15 is connected with the first connecting round rod 19 through the first transmission belt 22 at the side far away from the screening and separating driving motor 50, so that the driving round rod 15 can drive the first connecting round rod 19 to rotate through the first transmission belt 22. The first connecting round rod 19 and the second connecting round rod 20 are fixed with the first transmission gears 23 at one side, and the two first transmission gears 23 are meshed and connected, so that the first connecting round rod 19 can drive the second connecting round rod 20 to rotate through the meshed connection of the two first transmission gears 23, so that the two metal scrap separating cylinders 21 rotate, and the metal scrap is uniformly adsorbed on the outside of the metal scrap separating cylinder 21, so that the metal scrap is separated from the usable abrasive.

[0029] In the embodiment, the collecting cylinder 24 is fixed inside the separating cavity 10, and the collecting cylinder 24 is located below the metal scrap separating cylinder 21. The bottom of the collecting cylinder 24 is fixed with the first conveying pipeline 25, so that the usable abrasive can fall through the metal scrap separating cylinder 21 into the collecting cylinder 24, and then be conveyed to the abrasive circulating conveying assembly through the inclined first conveying pipeline 25.

[0030] Embodiment three: Please see Figures 1-3 、 Figure 6 、 Figures 8-10 , the embodiment is improved on the basis of embodiment two. The polishing box 2 is provided with an abrasive circulating conveying assembly on one side. The abrasive circulating conveying assembly comprises two conveying connecting plates 27, a first transmission round rod 28 and a second transmission round rod 29 are rotatably connected between the two conveying connecting plates 27, conveying rollers 30 are fixed on the outside of the first transmission round rod 28 and the second transmission round rod 29, two conveying rollers 30 are connected through a circulating conveying belt 31, one port of the first conveying pipeline 25 is located above the circulating conveying belt 31, a plurality of conveying pieces 32 are fixed on the outside of the circulating conveying belt 31, and the circulating conveying belt 31 is made of ethylene-propylene-diene rubber, so as to improve the service life of the circulating conveying belt 31 by virtue of the superior oxidation resistance, wear resistance and corrosion resistance of the ethylene-propylene-diene rubber. And the two conveying connecting plates 27 are evenly connected with a plurality of conveying auxiliary round rods 33 through rotation, the outer side of the conveying auxiliary round rod 33 is fixed with a conveying auxiliary roller 34, and the conveying auxiliary roller 34 can further assist in supporting and tensioning the transportation of the circulating conveying belt 31, so that the circulating conveying belt 31 can maintain appropriate tension during operation; the second connecting round rod 20 and the first transmission round rod 28 are connected through a second transmission belt 35, so that the second connecting round rod 20 can drive the first transmission round rod 28 to rotate through the second transmission belt 35 when rotating, so that the second transmission round rod 29, the conveying roller 30 and the circulating conveying belt 31 rotate, and the usable abrasive that is conveyed through the first conveying pipeline 25 is circulated and conveyed through the cooperation of the circulating conveying belt 31 and the conveying piece 32, and finally enters the polishing box 2 again.

[0031] A support seat 36 is welded on one side of the top of the first support 1, and a second conveying pipeline 37 is fixedly inclined on the top of the support seat 36. The top of the second conveying pipeline 37 is welded with a sand receiving cylinder 38. One port of the second conveying pipeline 37 is located inside the polishing box 2. Through the cooperation of the circulating conveying belt 31 and the conveying piece 32, the usable abrasive conveyed through the first conveying pipeline 25 is circulated and conveyed into the sand receiving cylinder 38, and the abrasive is conveyed to the inside of the polishing box 2 through the second conveying pipeline 37 arranged obliquely; the bottom of the first support 1 and the second support 4 are both welded with a support bottom pad 51. One end of the bottom of the conveying connecting plate 27 is fixed with one of the support bottom pads 51, and the other end of the bottom of the conveying connecting plate 27 is fixed with the sand receiving cylinder 38, so as to further improve the stability of the bottom support through the support bottom pad 51.

[0032] Embodiment four: Please see Figures 1-3 , Figures 9-12 , this embodiment is improved on the basis of embodiment three. The top of the abrasive circulating conveying assembly is provided with an abrasive cooling assembly. The abrasive cooling assembly comprises a connecting box 39 fixed on the top of the two conveying connecting plates 27. A plurality of third transmission round rods 40 are rotatably connected to the inner side of the connecting box 39. One side of one of the third transmission round rods 40 penetrates the connecting box 39 and is fixed with a second transmission gear 41. One side of the second transmission round rod 29 penetrates one of the conveying connecting plates 27 and is fixed with a third transmission gear 42. The second transmission gear 41 and the third transmission gear 42 are in meshing connection. The diameter of the second transmission gear 41 is smaller than that of the third transmission gear 42, so as to further accelerate the power transmission and improve the rotation speed of the third transmission round rod 40, thereby effectively cooling the abrasive. The outer side of the third transmission round rod 40 is fixed with cooling blades 43, and the cooling blades 43 are located inside the connecting box 39, and every two adjacent third transmission round rods 40 are connected through third transmission belts 44, in use, the second transmission round rod 29 drives the third transmission gear 42 to rotate, the meshing of the second transmission gear 41 and the third transmission gear 42 can drive one of the third transmission round rods 40 to rotate, and the remaining third transmission round rods 40 are also synchronously rotated through the conduction of the third transmission belt 44, so that the cooling blades 43 rotate to drive the air flow, and the ground glass is effectively cooled. In addition, the transmission belts used in the application are matched with pulleys which have been shown in the figure, thereby ensuring the transmission effect; in production, the model of the transmission belt and the pulley can be adjusted according to the process requirements, the energy loss and the slipping phenomenon in the transmission process are reduced, and the transmission efficiency is improved.

[0033] A plurality of cooling air inlet holes 45 are arranged on the two sides of the connecting box 39, so that the air driven by the rotation of the cooling blades 43 can flow through the cooling air inlet holes 45, thereby reducing the temperature of the ground glass.

[0034] In the embodiment, in order to further improve the cooling effect of the ground glass, the top inside the connecting box 39 is fixed with water-cooled radiating fins 46 through screws, the top of the connecting box 39 is fixed with a cooling liquid tank 47 and a circulating pump 48 through screws, the inside of the cooling liquid tank 47 is filled with cooling liquid, the outlet of the water-cooled radiating fin 46 penetrates through the connecting box 39 and is connected with one end of the cooling liquid tank 47 through a circular pipe, the inlet of the water-cooled radiating fin 46 penetrates through the connecting box 39 and is connected with the output port of the circulating pump 48 through a circular pipe, the input port of the circulating pump 48 is connected with the cooling liquid tank 47 through a circular pipe, and the top of the cooling liquid tank 47 is threadedly connected with a top cover 49, so that the cooling liquid filled in the cooling liquid tank 47 can flow in the water-cooled radiating fin 46 by starting the circulating pump 48, so as to further reduce the temperature inside the connecting box 39, and the cooling liquid tank 47 is further cooled by cooperating with the cooling blades 43.

[0035] Embodiment five: On the basis of the above-mentioned embodiments one to four, a use method of the engine piston polishing equipment is disclosed: Step one: in use, the polishing drive motor 7 and the screening and separating drive motor 50 are started in sequence, so that the polishing drive motor 7 drives the polishing rod 5 and the spiral blade 6 to rotate, so that the polishing box 2 cooperates with the rotating polishing rod 5 and the spiral blade 6 to polish the piston, and when moving to the delivery port 8, the piston falls into the inside of the separating cavity 10 through the delivery port 8. The driving motor 50 can drive the driving round rod 15 to rotate, and then the driving cam 16 rotates around the axis of the driving round rod 15, and the driven transmission rod 14 drives the separation and screening plate 13 to move up and down through the cooperation of the driving cam 16, so that the large abrasive is blocked above the separation and screening plate 13, and the usable abrasive can fall downwards through the separation and screening plate 13. The driving round rod 15 drives the first connecting round rod 19 to rotate through the first transmission belt 22, and the first connecting round rod 19 drives the second connecting round rod 20 to rotate through the meshing connection between the two first transmission gears 23, and then the two metal abrasive separation cylinders 21 rotate, and the metal abrasive is uniformly adsorbed on the outer side of the metal abrasive separation cylinder 21 through the setting of the magnetic block in the metal abrasive separation cylinder 21, so as to separate the metal abrasive from the usable abrasive. The usable abrasive falls into the collecting cylinder 24, and is transported to the top of the circulating conveying belt 31 through the inclined first conveying pipeline 25. At the same time, the second connecting round rod 20 drives the first transmission round rod 28 to rotate through the second transmission belt 35, so that the second transmission round rod 29, the conveying roller 30 and the circulating conveying belt 31 rotate, and then the usable abrasive transported to the top of the circulating conveying belt 31 through the first conveying pipeline 25 is circulated into the sand receiving cylinder 38, so that the usable abrasive enters the polishing box 2 again through the second conveying pipeline 37; and then through the cooperation of the polishing assembly, the abrasive screening assembly and the metal abrasive separation assembly, the recycled usable abrasive is separated from the large abrasive and the metal abrasive, and the purity of the polishing abrasive is improved. The third transmission gear 42 is driven to rotate by the second transmission round rod 29, one of the third transmission round rods 40 is driven to rotate through the meshing between the second transmission gear 41 and the third transmission gear 42, and the remaining third transmission round rods 40 are also driven to rotate through the third transmission belt 44, so that the cooling blade 43 rotates to drive the air flow to cool and heat the abrasive.

[0036] Step two: put the polishing abrasive into the sand receiving cylinder 38, and put the piston into the feeding cylinder 3 one by one, the piston enters the polishing box 2 through the feeding port 9, and the polishing abrasive enters the polishing box 2 through the transportation of the second conveying pipeline 37.

[0037] Step three: then put the receiving box outside the workpiece discharge port 12 to receive the polished piston workpiece.

[0038] Step four: start the circulating pump 48, so that the cooling liquid tank 47 inside the cooling liquid in the water-cooled fin 46 inside the circulation flow, thereby reducing the temperature of the connection box 39 inside, by matching the cooling vane 43 rotation on the used polishing sand high efficiency cooling. In turn, through the sand circulating assembly and sand cooling assembly, the used polishing sand is cooled efficiently, avoiding high temperature sand affecting the polishing quality.

[0039] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and do not limit the application to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of the specification. The specification selects and describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited only by the claims and their full scope and equivalents.

Claims

1. An engine piston polishing device, characterized in that, It includes a first support (1) and a polishing assembly. A polishing box (2) is fixed on the top of the first support (1), and the polishing assembly is installed inside the polishing box (2). A feed cylinder (3) is fixed on the top of the polishing box (2). It also includes a second bracket (4), which is fixed to the bottom of the polishing box (2). The inner side of the second bracket (4) is equipped with a sanding screening component and a metal abrasive separation component. The metal abrasive separation component is located below the sanding screening component. The sanding screening component is used to separate large pieces of abrasive shavings from usable abrasive. The metal abrasive separation component is used to separate metal abrasive shavings from usable abrasive.

2. The engine piston polishing equipment according to claim 1, characterized in that, The polishing assembly includes a polishing rod (5) and a spiral blade (6). The polishing rod (5) is rotatably connected to the inside of the polishing box (2) via a bearing. The spiral blade (6) is fixed to the outside of the polishing rod (5). A polishing drive motor (7) is fixed to one end of the polishing box (2). The output end of the polishing drive motor (7) is fixed to one end of the polishing rod (5). A feeding port (8) is provided at the bottom of the polishing box (2). A feed port (9) is provided at the top of the polishing box (2). The feed port (9) is located below the inside of the feed cylinder (3).

3. The engine piston polishing equipment according to claim 2, characterized in that, The second bracket (4) has a separation chamber (10) inside. The separation chamber (10) is located below the feeding port (8). The separation chamber (10) has a workpiece guide plate (11) fixed inside at an inclination. The separation chamber (10) has a workpiece discharge port (12) and a cleaning and maintenance port at one end. The cleaning and maintenance port is located below the workpiece discharge port (12). One end of the cleaning and maintenance port is fixed with a maintenance door (26) by a wing screw.

4. The engine piston polishing equipment according to claim 3, characterized in that, The abrasive screening assembly includes a separation screening plate (13), which is slidably connected inside the separation chamber (10). The separation screening plate (13) is located below the workpiece guide plate (11). The aperture of the workpiece guide plate (11) is larger than the aperture of the separation screening plate (13). Both sides of the bottom of the separation screening plate (13) are fixed with driven transmission rods (14). The inner side of the separation chamber (10) is rotatably connected with a drive rod (15) through a bearing. Two drive cams (16) are fixed on the outer side of the drive rod (15). The two drive cams (16) are located below the two driven transmission rods (14). A screening separation drive motor (50) is fixed to one side of the second bracket (4) by screws. The output end of the screening separation drive motor (50) is fixed to one side of the drive rod (15).

5. The engine piston polishing equipment according to claim 4, characterized in that, The separation screening plate (13) is fixed with displacement slide rails (17) on both sides. The separation cavity (10) is provided with a displacement guide groove (18) corresponding to the position of the displacement slide rail (17). The displacement slide rail (17) and the displacement guide groove (18) are slidably connected.

6. The engine piston polishing equipment according to claim 4, characterized in that, The metal shavings separation assembly includes a first connecting rod (19), a second connecting rod (20), and a magnetic block. The first connecting rod (19) and the second connecting rod (20) are rotatably connected to the inner side of the separation chamber (10) via bearings. Metal shavings separation cylinders (21) are fixed to the outer sides of both the first connecting rod (19) and the second connecting rod (20). The magnetic block fills the interior of the two metal shavings separation cylinders (21). The side of the driving rod (15) away from the screening and separation driving motor (50) is connected to the first connecting rod (19) via a first transmission belt (22). A first transmission gear (23) is fixed to one side of both the first connecting rod (19) and the second connecting rod (20). The two first transmission gears (23) are meshed together.

7. The engine piston polishing equipment according to claim 6, characterized in that, The separation chamber (10) is fixed with a collection cylinder (24), which is located below the metal shavings separation cylinder (21). The bottom of the collection cylinder (24) is fixed with a first conveying pipe (25) at an incline.

8. The engine piston polishing equipment according to claim 7, characterized in that, A sanding circulation conveying assembly is installed on one side of the polishing box (2). The sanding circulation conveying assembly includes two conveying connecting plates (27). A first transmission rod (28) and a second transmission rod (29) are rotatably connected between the two conveying connecting plates (27). Conveying rollers (30) are fixed on the outer sides of the first transmission rod (28) and the second transmission rod (29). The two conveying rollers (30) are connected by a circulating conveyor belt (31). One port of the first conveying pipe (25) is located above the circulating conveyor belt (31). Multiple conveying plates (32) are evenly fixed on the outer side of the circulating conveyor belt (31). Multiple conveying auxiliary rods (33) are evenly rotatably connected between the two conveying connecting plates (27). Conveying auxiliary rollers (34) are fixed on the outer side of each conveying auxiliary rod (33). The second connecting rod (20) and the first transmission rod (28) are connected by a second transmission belt (35). A support base (36) is welded to one side of the top of the first bracket (1). A second conveying pipe (37) is fixed at the top of the support base (36) at an incline. A sand receiving cylinder (38) is welded to the top of the second conveying pipe (37). One port of the second conveying pipe (37) is located inside the polishing box (2). Support pads (51) are welded to the bottom of both the first bracket (1) and the second bracket (4). One end of the bottom of the conveying connecting plate (27) is fixed to one of the support pads (51), and the other end of the bottom of the conveying connecting plate (27) is fixed to the sand receiving cylinder (38).

9. An engine piston polishing device according to claim 8, characterized in that, The top of the abrasive circulation conveying assembly is equipped with an abrasive cooling assembly, which includes a connecting housing (39). The connecting housing (39) is fixed to the top of the two conveying connecting plates (27). Multiple third transmission rods (40) are evenly distributed and rotatably connected to the inner side of the connecting housing (39). One side of one of the third transmission rods (40) passes through the connecting housing (39) and is fixed with a second transmission gear (41). One side of the second transmission rod (29) passes through one of the conveying connecting plates (27) and is fixed with a third transmission gear (41). 42), the second transmission gear (41) and the third transmission gear (42) are meshed and connected. The diameter of the second transmission gear (41) is smaller than the diameter of the third transmission gear (42). Cooling blades (43) are fixed on the outer side of the third transmission rod (40), and the cooling blades (43) are all located inside the connecting box (39). Every two adjacent third transmission rods (40) are connected by a third transmission belt (44). Multiple cooling air inlet holes (45) are evenly distributed on both sides of the connecting box (39). The top of the inner side of the connecting box (39) is fixed with a water-cooled heat sink (46) by screws. The top of the connecting box (39) is fixed with a coolant tank (47) and a circulation pump (48) by screws. The coolant tank (47) is filled with coolant. The outlet of the water-cooled heat sink (46) passes through the connecting box (39) and is connected to one end of the coolant tank (47) through a round pipe. The inlet of the water-cooled heat sink (46) passes through the connecting box (39) and is connected to the output port of the circulation pump (48) through a round pipe. The input port of the circulation pump (48) is connected to the coolant tank (47) through a round pipe. The top of the coolant tank (47) is threaded with a top cover (49).

10. A method of using an engine piston polishing device, for use with the engine piston polishing device according to any one of claims 1-9, comprising the following steps: Step 1: Start the polishing drive motor (7) and the screening and separation drive motor (50) in sequence; Step 2: Put the polishing sand into the receiving cylinder (38), and put the pistons into the feeding cylinder (3) one by one; Step 3: Place the receiving box outside the workpiece outlet (12) to receive the polished piston; Step 4: Start the circulation pump (48) to make the coolant circulate inside the water-cooled heat sink (46), and cooperate with the rotation of the cooling blades (43) to cool down the polished sand after use.

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