Polishing device for automobile plastic part machining
By using a water ring spray and V-groove collection system in the grinding device, the problem of deformation caused by frictional heat during the grinding of plastic parts was solved, achieving efficient cooling and cleaning, and improving production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-04-03
AI Technical Summary
During the sanding process, automotive plastic parts are prone to softening, melting, or deformation due to frictional heat, which can affect subsequent painting and assembly processes.
A grinding device for processing automotive plastic parts was designed. It uses a rotating water ring to spray annular water mist to cover the grinding area, adsorbing dust and impurities. It also collects coolant and debris through a V-shaped groove. Combined with cooling plates and heat dissipation fins, it controls the temperature and reduces heat and dust.
It effectively reduces frictional heat generation, prevents plastic parts from softening or deforming, improves polishing efficiency and product quality, and reduces production costs and environmental pollution.
Smart Images
Figure CN224074045U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive parts processing equipment, specifically a grinding device for processing automotive plastic parts. Background Technology
[0002] Automotive plastic parts are automotive components made from polymer materials through processes such as injection molding and compression molding. They cover interior parts, exterior parts, and structural parts, and are characterized by lightweight, corrosion resistance, and high design freedom. They can reduce vehicle weight to improve fuel efficiency, enhance the aesthetics of the car through styling design, and absorb impact energy during collisions to improve safety. They are key material applications for modern automobiles to achieve energy conservation, emission reduction, and functional optimization.
[0003] When processing automotive plastic parts, the material needs to be selected according to the purpose of the plastic part. First, it is dried to remove moisture. Then, it is heated to a fluid state in the injection molding machine barrel. The melt is injected into the mold cavity under high pressure. Then, the mold is cooled to solidify the part. The blank is then removed from the mold. The molded blank needs to be polished to improve its performance and appearance.
[0004] When grinding automotive plastic parts, the low melting point of the plastic can cause it to soften, melt, or deform due to frictional heat, affecting subsequent processes such as painting and assembly. Therefore, a grinding device for processing automotive plastic parts is proposed to address these issues. Utility Model Content
[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.
[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A grinding device for processing automotive plastic parts, comprising a water tank; a placement platform fixedly connected to the surface of the water tank; a processing table fixedly connected to the placement platform; a fixing device fixedly connected to the processing table; a moving device mounted on the placement platform; a fixing plate fixedly connected to the middle of the moving device; a first motor fixedly connected to the fixing plate; a grinding tool fixedly connected to the output end of the first motor; the grinding tool being disposed below the fixing plate; and a second motor fixedly connected to the fixing plate. The output end of the second motor is fixedly connected to a sleeve; a water ring is rotatably connected to the bottom of the fixed plate; the water ring and the sleeve are in contact; multiple water mist nozzles are fixedly connected to the surface of the water ring; a water pipe is fixedly connected to one side of the fixed plate; there is a cavity in the middle of the fixed plate; the water pipe is connected to the water ring; a water pump is installed at the other end of the water pipe; the water mist is sprayed out in a ring shape and covered by the rotation of the water ring, continuously washing the surface of the polishing tool and the plastic part, reducing the spray blind area, reducing the heat generated by friction, and at the same time absorbing the dust and other impurities generated by polishing, reducing dust flying.
[0007] Preferably, the surface of the placement platform is provided with a set of V-shaped grooves; the V-shaped grooves penetrate the placement platform; a screen is installed at the bottom of the V-shaped grooves; a cleaning slider is slidably connected in the middle of the V-shaped grooves; the cleaning slider has the same shape as the V-shaped grooves; by opening V-shaped grooves on the placement platform, gravity can be used to make the mixture of coolant and debris generated by the grinding tool flow into the middle of the V-shaped grooves along the inclined channel. The V-shaped cross-section increases the flow velocity of the coolant, concentrates and collects impurities, and when the cleaning slider slides in the middle of the V-shaped grooves, the cleaning slider adheres to the groove wall of the V-shaped grooves, reducing blind spots in cleaning.
[0008] Preferably, the processing table has slots on both sides; the slots are correspondingly arranged; a set of electric push rods is fixedly connected to the middle of the slots; a scraper is fixedly connected to the end of the electric push rods; by setting the scraper, the coolant is pushed into the V-shaped groove to filter and reuse the coolant, thereby reducing production costs and environmental pollution, and reducing the corrosion of the coolant on the placement table.
[0009] Preferably, a cooling tank is fixedly connected to one side of the water tank; a connecting pipe is installed in the middle of the cooling tank; one end of the connecting pipe is connected to the water tank; a set of cooling plates is fixedly connected to the middle of the cooling tank; the cooling plates are set at the bend of the connecting pipe; by setting the cooling plates to reduce the temperature of the coolant, the heat generated by the polishing tool during polishing can be quickly removed, and the surface temperature of the plastic part can be controlled at a normal temperature, reducing the occurrence of dents, melted edges or dimensional accuracy deviations caused by high temperature, while reducing the shedding of abrasive grains from the polishing tool and extending the service life of the polishing tool.
[0010] Preferably, a plurality of heat dissipation fins are fixedly connected to the middle of the cooling box; the heat dissipation fins are arranged on the surface of the connecting pipe; through the heat conduction effect of the heat dissipation fins, the heat on the surface of the connecting pipe can be quickly conducted to the surface of the heat fins, reducing the temperature difference caused by the cold air emitted by the cooling plate on the surface of the connecting pipe, which may lead to breakage due to excessive temperature difference; at the same time, the cold air from the cooling plate can be evenly transferred to the connecting pipe.
[0011] Preferably, a set of baffles is fixed to the surface of the placement platform; the baffles are arc-shaped; one side of the baffles is close to the V-shaped groove; by intercepting the ejected coolant, the splashing water mist can be guided, causing it to fall accurately into the V-shaped groove along the arc surface, reducing the loss caused by coolant splashing everywhere, improving the coolant recovery efficiency, and saving production costs.
[0012] The advantages of this utility model are:
[0013] 1. The present invention relates to a grinding device for processing automotive plastic parts, which uses a rotating water ring to spray water mist in a ring shape and cover the surface of the grinding tool and the plastic part, thereby reducing the spray blind area, reducing the heat generated by friction, and adsorbing dust and other impurities generated during grinding, thus reducing dust flying.
[0014] 2. The grinding device for processing automotive plastic parts described in this utility model allows the coolant and debris mixture generated by the grinding tool to flow into the middle of the V-shaped groove through an inclined channel by opening a V-shaped groove on the placement table. The V-shaped cross-section increases the flow velocity of the coolant, concentrates and collects impurities, and the cleaning slider adheres to the groove wall when sliding in the middle of the V-shaped groove, reducing blind spots in cleaning. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a schematic diagram of the main body of this utility model;
[0017] Figure 2 This is a schematic diagram of the processing table in this utility model;
[0018] Figure 3 This is a schematic diagram of the water ring structure in this utility model;
[0019] Figure 4 This is a schematic diagram of the cooling box structure in this utility model;
[0020] Figure 5 This is a schematic diagram of the structure of the water baffle in this utility model.
[0021] In the diagram: 1. Water tank; 11. Placement platform; 12. Processing table; 13. Fixing device; 14. Moving device; 15. Fixing plate; 16. First motor; 17. Grinding tool; 18. Second motor; 19. Sleeve; 110. Water ring; 111. Water mist nozzle; 112. Water pipe; 2. V-groove; 21. Cleaning slider; 3. Groove opening; 31. Electric actuator; 32. Scraper; 4. Cooling box; 41. Connecting pipe; 42. Cooling element; 5. Heat dissipation fins; 6. Water baffle. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.
[0023] Specific implementation examples are given below.
[0024] like Figures 1 to 3 As shown in the embodiment of this utility model, a grinding device for processing automotive plastic parts includes a water tank 1; a placement platform 11 is fixedly connected to the surface of the water tank 1; a processing table 12 is fixedly connected to the placement platform 11; a fixing device 13 is fixedly connected to the processing table 12; a moving device 14 is installed on the placement platform 11; a fixing plate 15 is fixedly connected to the middle of the moving device 14; a first motor 16 is fixedly connected to the fixing plate 15; a grinding tool 17 is fixedly connected to the output end of the first motor 16; the grinding tool 17 is arranged below the fixing plate 15; a second motor 18 is fixedly connected to the fixing plate 15; a sleeve 19 is fixedly connected to the output end of the second motor 18; a water ring 110 is rotatably connected to the bottom of the fixing plate 15; the water ring 110 is in contact with the sleeve 19; a plurality of water mist nozzles 111 are fixedly connected to the surface of the water ring 110; and a water pipe is fixedly connected to one side of the fixing plate 15. 112; The fixed plate 15 has a cavity in the middle; The water pipe 112 is connected to the water ring 110; A water pump is installed at the other end of the water pipe 112; During operation, the plastic part is placed on the processing table 12, fixed by the fixing device 13, and then the moving device 14 is controlled to move to the designated position. Then, the first motor 16 is turned on so that its output end drives the grinding tool 17 to rotate and grind the plastic part. The water pump is turned on so that the coolant is sent to the middle of the fixed plate 15 through the water pipe 112 and then sprayed out through multiple water mist nozzles 111. At the same time, the second motor 18 is turned on so that its output end drives the sleeve 19 to rotate. The sleeve 19 drives the water ring 110 to rotate. The rotation of the water ring 110 causes the water mist to be sprayed out in a ring and cover the surface, continuously washing the grinding tool 17 and the surface of the plastic part, reducing the spray blind area, reducing the heat generated by friction, and adsorbing the dust and other impurities generated by grinding, reducing dust flying.
[0025] like Figure 1 , Figure 2 and Figure 5 As shown, a set of V-shaped grooves 2 are formed on the surface of the placement platform 11; the V-shaped grooves 2 penetrate the placement platform 11; a screen is installed at the bottom of the V-shaped grooves 2; a cleaning slider 21 is slidably connected to the middle of the V-shaped grooves 2; the cleaning slider 21 has the same shape as the V-shaped grooves 2; during operation, coolant and impurities enter the V-shaped grooves 2, and the coolant returns to the water tank 1 through the filter screen at the bottom of the V-shaped grooves 2; the impurities remain on the surface of the filter screen, and the cleaning slider 21 slides in the middle of the V-shaped grooves 2; the impurities accumulated in the middle of the V-shaped grooves 2 are removed through the edge of the placement platform 11. By forming V-shaped grooves 2 on the placement platform 11, gravity can be used to make the mixture of coolant and debris generated by the grinding tool 17 flow into the middle of the V-shaped grooves 2 along the inclined channel. The V-shaped cross section increases the flow speed of the coolant and concentrates the collection of impurities. When the cleaning slider 21 slides in the middle of the V-shaped grooves 2, the cleaning slider 21 fits against the groove wall of the V-shaped grooves 2, reducing the blind spot of cleaning.
[0026] like Figures 1 to 2 As shown, slots 3 are provided on both sides of the processing table 12; the slots 3 are correspondingly arranged; a set of electric push rods 31 are fixedly connected to the middle of the slots 3; a scraper 32 is fixedly connected to the end of the electric push rods 31; during operation, the set of electric push rods 31 is controlled to extend and retract so that the scraper 32 pushes the coolant and impurities on the surface of the placement table 11 into the V-shaped groove 2. By setting the scraper 32 to push the coolant into the V-shaped groove 2, the coolant is filtered and reused, reducing production costs and environmental pollution, while also reducing the corrosion of the placement table 11 by the coolant.
[0027] like Figure 2 and Figure 4 As shown, a cooling tank 4 is fixedly connected to one side of the water tank 1; a connecting pipe 41 is installed in the middle of the cooling tank 4; one end of the connecting pipe 41 is connected to the water tank 1; a set of cooling plates 42 is fixedly connected to the middle of the cooling tank 4; the cooling plates 42 are set at the bend of the connecting pipe 41; during operation, the temperature of the coolant will rise due to prolonged circulation of the coolant. After the coolant inside the water tank 1 enters the cooling tank 4 through the water pump, the cooling plates 42 generate cold air to cool the connecting pipe 41. By setting the cooling plates 42 to lower the temperature of the coolant, the heat generated by the grinding tool 17 during grinding can be quickly removed, and the surface temperature of the plastic part can be controlled at a normal temperature, reducing the occurrence of dents, melted edges or dimensional accuracy deviations caused by high temperature. At the same time, it reduces the shedding of abrasive grains from the grinding tool 17 and extends the service life of the grinding tool 17.
[0028] like Figure 4 As shown, multiple heat dissipation fins 5 are fixedly connected to the middle of the cooling box 4; the heat dissipation fins 5 are arranged on the surface of the connecting pipe 41; during operation, the heat dissipation fins 5 transfer the cold air generated by the cooling chip 42 to the surface of the connecting pipe 41, thereby cooling the coolant inside the connecting pipe 41. Through the heat conduction effect of the heat dissipation fins 5, the heat on the surface of the connecting pipe 41 can be quickly conducted to the surface of the heat dissipation fins 5, reducing the possibility of breakage due to excessive temperature difference caused by the cold air emitted by the cooling chip 42 on the surface of the connecting pipe 41. At the same time, the cold air from the cooling chip 42 can be evenly transferred to the connecting pipe 41.
[0029] like Figure 1 and Figure 5 As shown, a set of baffle plates 6 are fixed to the surface of the placement platform 11; the baffle plates 6 are arc-shaped; one side of the baffle plates 6 is close to the V-groove 2; during operation, when the grinding tool 17 grinds the plastic part, water mist is sprayed from the water mist nozzle 111 to cool it down. After the water mist comes into contact with the grinding tool 17, it is thrown out by the centrifugal force generated by the rotation of the grinding tool 17, hits the surface of the baffle plate 6, and slides down the arc surface of the baffle plate 6 into the V-groove 2. By intercepting the thrown-out coolant, the splashing water mist can be guided, so that it falls accurately into the V-groove 2 along the arc surface, reducing the loss caused by the splashing of coolant, improving the recovery efficiency of coolant, and saving production costs.
[0030] Working principle: The plastic part is placed on the processing table 12 and fixed in place by the fixing device 13. The moving device 14 is then controlled to move to the designated position. The first motor 16 is then turned on, causing its output end to drive the grinding tool 17 to rotate and grind the plastic part. The water pump is turned on, allowing coolant to be delivered through the water pipe 112 to the middle of the fixed plate 15 and then sprayed out through multiple water mist nozzles 111. At the same time, the second motor 18 is turned on, causing its output end to drive the sleeve 19 to rotate. The sleeve 19 drives the water ring 110 to rotate, allowing coolant and impurities to enter the V-shaped groove 2. The coolant returns to the water tank 1 through the filter screen at the bottom of the V-shaped groove 2; the impurities remain on the surface of the filter screen and slide the cleaning slider 21 in the middle of the V-shaped groove 2. The impurities accumulated in the middle of the V-shaped groove 2 are then removed by the placement table. The edge removal of 11 involves controlling a set of electric push rods 31 to extend and retract, causing the scraper 32 to push the coolant and impurities on the surface of the placement platform 11 into the V-groove 2. Long-term circulation of coolant will cause the coolant temperature to rise. After the coolant inside the water tank 1 enters the cooling box 4 through the water pump, the cooling plate 42 generates cold air to cool the connecting pipe 41. The heat dissipation fins 5 transfer the cold air generated by the cooling plate 42 to the surface of the connecting pipe 41 to cool the coolant inside the connecting pipe 41. When the grinding tool 17 grinds the plastic parts, water mist is sprayed from the water mist nozzle 111 to cool them down. After the water mist comes into contact with the grinding tool 17, it is thrown out by the centrifugal force generated by the rotation of the grinding tool 17, hits the surface of the baffle plate 6, and slides down the arc surface of the baffle plate 6 into the V-groove 2.
[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A grinding device for processing automotive plastic parts, characterized in that: The utility model provides a water tank (1), the water tank (1) surface fixedly connected with the placement platform (11), the placement platform (11) upper fixedly connected with the processing platform (12), the processing platform (12) upper fixedly connected with the fixing device (13), the placement platform (11) upper installation moves device (14), the fixed plate (15) in the middle of moving device (14) is fixedly connected, the first motor (16) is fixedly connected on the fixed plate (15), the first motor (16) output fixedly connected with polishing tool (17), polishing tool (17) is below fixed plate (15) and sets up, the second motor (18) is fixedly connected on the fixed plate (15), the second motor (18) output fixedly connected with sleeve (19), the fixed plate (15) bottom rotatable connection has water ring (110), water ring (110) and sleeve (19) are contact settings, a plurality of water mist sprays (111) are fixedly connected on the surface of water ring (110), water pipe (112) is fixedly connected on one side of fixed plate (15), the fixed plate (15) middle has the cavity, water pipe (112) is connected water ring (110), water pump is installed to another end of water pipe (112).
2. The polishing device for processing automobile plastic parts according to claim 1, characterized in that: The placement platform (11) surface is equipped with a group of V-shaped grooves (2), the V-shaped groove (2) penetrates the placement platform (11), the V-shaped groove (2) bottom is installed with screen cloth, the V-shaped groove (2) middle part is slidably connected with the cleaning slide block (21), the cleaning slide block (21) is consistent with the shape of V-shaped groove (2).
3. The polishing device for processing automobile plastic parts according to claim 2, characterized in that: The processing platform (12) both sides are provided with the notch (3), the notch (3) is correspondingly arranged, a group of electric push rods (31) are fixedly connected in the middle of the notch (3), the electric push rod (31) end is fixedly connected with the scraper (32).
4. The polishing device for processing automobile plastic parts according to claim 3, characterized in that: The water tank (1) one side is fixedly connected with cooling box (4), the cooling box (4) middle part is installed with the connecting pipe (41), the connecting pipe (41) one end is connected with water tank (1), the cooling box (4) middle part is fixedly connected with a group of refrigeration fin (42), the refrigeration fin (42) is arranged at the bending portion of connecting pipe (41).
5. The polishing device for processing automobile plastic parts according to claim 4, characterized in that: The cooling box (4) middle part is fixedly connected with a plurality of heat dissipation fins (5), and the heat dissipation fins (5) are arranged on the surface of the connecting pipe (41).
6. The polishing device for processing automobile plastic parts according to claim 5, characterized in that: The placement platform (11) surface is fixedly connected with a group of water baffle (6), the water baffle (6) is arc-shaped, and the water baffle (6) one side is close to the V-shaped groove (2).