Engine cylinder cover grinding device

Abstract

The utility model belongs to the technical field of cylinder cover grinding, and discloses an engine cylinder cover grinding device which comprises a grinding assembly and a water cooling assembly, the grinding assembly comprises a bracket, a rotating rod and a grinding head, the bracket is rotationally connected with one end of the rotating rod, the other end of the rotating rod is connected with the grinding head, and the rotating rod can ascend and descend in the vertical direction; the grinding head can be driven by the rotating rod to rotate, and a working platform is arranged below the grinding head. The water cooling assembly comprises an inner pipe, a water tank and a sprinkler head, and the water tank is arranged on the bracket and connected with the inner pipe; the inner pipe is arranged in the rotating rod, a water outlet of the inner pipe is fixedly connected with the water spraying head, and the water spraying head is rotationally arranged in the grinding head. In the grinding process, water is sprayed to wash ground sundries, and meanwhile, the grinding head and the cylinder cover are cooled, so that the problems that when the cylinder cover is ground, the grinding machine rotates at a high speed for grinding, the grinding position of the grinding machine and the cylinder cover is prone to deformation due to too high temperature, the service life is shortened, and the precision and the sealing performance of the cylinder cover are reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cylinder head grinding technical field, concretely relates to an engine cylinder head grinding device. BACKGROUND

[0002] Automobile manufacturing, maintenance and users know that the sealing performance of the inlet and exhaust passages of the cylinder head of the automobile engine is an important indicator of the quality of the engine, which directly affects the size of the engine power.

[0003] Because the valve cooperates with the gas hole seat surface of the cylinder head, the processing of the seat surface of the cylinder head gas hole is very important, and grinding the seat surface is an essential link to improve the quality of the seat surface sealing ring. At present, for example, the Chinese utility model patent with publication number CN207508982U discloses an engine cylinder head grinding production line, which specifically discloses a conveying mechanism including a support, the top of the support is a roller line for conveying the engine cylinder head, the front end side of the roller line is provided with a grinding paste box, and the rear end side is provided with a numbering tool for numbering the engine cylinder head; a grinding machine including a grinding machine pad block arranged below the roller line, a support frame is arranged on each side of the grinding machine pad block, a cross beam with a grinding mechanism is arranged across the two support frames, and the grinding mechanism includes a plurality of grinding heads; it solves the problem of complex cylinder head grinding process in the prior art, saves manpower and material resources, and improves the efficiency of the overall manufacturing of the engine.

[0004] However, during the grinding of the cylinder head, the grinding machine rotates at high speed, and the high temperature is easy to cause the deformation of the grinding machine and the grinding part of the cylinder head, thereby reducing the service life and the precision and sealing performance of the cylinder head. SUMMARY

[0005] Therefore, the engine cylinder head grinding device is provided to solve the problem that the high-speed rotation of the grinding machine during the grinding of the cylinder head causes the deformation of the grinding machine and the grinding part of the cylinder head, thereby reducing the service life and the precision and sealing performance of the cylinder head.

[0006] The technical solution of the application to solve the above technical problems is as follows:

[0007] An engine cylinder head grinding device comprises:

[0008] The grinding assembly comprises a bracket, a rotating rod and a grinding head, one end of the rotating rod is rotationally connected to the bracket, the other end of the rotating rod is connected to the grinding head, and the rotating rod can be lifted up and down along the vertical direction; the grinding head is provided with a plurality of through holes, the grinding head can rotate under the driving of the rotating rod, and a working platform is arranged below the grinding head; the water cooling assembly comprises an inner pipe, a water tank and a water spraying head, the water tank is arranged on the bracket, and the water outlet of the water tank is connected to the water inlet of the inner pipe; the inner pipe is arranged inside the rotating rod, the water outlet of the inner pipe is fixedly connected to the water spraying head, the water spraying head is rotationally arranged in the grinding head, at least one row of spray rows are equidistantly arranged on the water spraying head, and the spray rows are matched with the through holes.

[0009] Preferably, the water cooling assembly further comprises a first bearing, the inner ring of the first bearing is connected to the water spraying head, and the outer ring of the first bearing is connected to the grinding head.

[0010] Preferably, the water cooling assembly further comprises a second bearing, the inner ring of the second bearing is connected to the inner pipe, and the outer ring of the second bearing is connected to the rotating rod.

[0011] Preferably, a third bearing is arranged on the rotating rod, the outer ring of the third bearing is connected to the bracket, a plurality of water pipes are arranged on the outer ring of the third bearing, the water inlets of the water pipes are connected to the water outlets of the water tank, and the horizontal projections of the water outlets of the water pipes coincide with the edges of the projections of the grinding head.

[0012] Preferably, a water storage tank is arranged at the bottom of the working platform, a water purifying device is arranged on the water storage tank, the water storage tank is used for collecting the water flowing out of the water tank, and the water purifying device is used for filtering and purifying the water in the water storage tank.

[0013] Preferably, a circulating pump is arranged at one end of the water storage tank, and the water outlet of the circulating pump is connected to the water inlet of the water tank.

[0014] Preferably, a plurality of grinding strips are further arranged on the grinding head, the grinding strips are arranged between adjacent two through holes, and the length direction of the grinding strips coincides with the vertical direction.

[0015] Preferably, a plurality of grooves are arranged on the inner wall of the grinding head, the grooves are arranged between adjacent two through holes, the spray rows extend into the grooves, and the end portions of the spray rows abut against the inner walls of the grooves.

[0016] The technical scheme adopted in the application can achieve the following beneficial effects:

[0017] The water spraying head is arranged in the grinding head, the water spraying head flushes the ground impurities during the grinding process, and the grinding head and the engine cylinder head are cooled, so that the problems of deformation of the grinding machine and the cylinder head grinding part caused by high temperature during high-speed rotation of the grinding machine during the grinding of the cylinder head, reduction of service life, and reduction of precision and sealing performance of the cylinder head are solved; the cavity grinding head is adopted, the inner pipe is rotated with the rotating rod, so that the inner pipe is knotted, and the water cannot flow out smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a schematic view of an engine cylinder head grinding device of the present application.

[0019] Figure 2 FIG. 2 is a partial schematic view of the engine cylinder head grinding device of the present application. Figure One .

[0020] Figure 3 FIG. 3 is a partial schematic view of the engine cylinder head grinding device of the present application. Figure Two .

[0021] Figure 4 FIG. 4 is a schematic view of a grinding assembly of the engine cylinder head grinding device of the present application. Figure One .

[0022] Figure 5 FIG. 5 is a schematic view of a grinding assembly of the engine cylinder head grinding device of the present application. Figure Two .

[0023] Figure 6 FIG. 6 is a schematic view of a water cooling assembly of the engine cylinder head grinding device of the present application. Figure One .

[0024] Figure 7 FIG. 7 is a schematic view of a water cooling assembly of the engine cylinder head grinding device of the present application. Figure Two .

[0025] In the figure: grinding assembly 100, bracket 110, rotating rod 120, grinding head 130, through hole 131, grinding strip 132, groove 133, water cooling assembly 200, inner pipe 210, water tank 220, water spraying head 230, spray 231, first bearing 232, second bearing 233, third bearing 234, water pipe 240, working platform 300, water accumulation tank 310. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0027] It is to be understood that when an element such as a layer, region or substrate is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can also be present. In addition, it should be understood that when a layer is referred to as being "formed on" or "formed over" another layer, it can be directly formed on or over the other layer or intervening layers can also be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0029] Referring to Figures 1 to 7 The application provides an engine cylinder head grinding device, which comprises a grinding assembly 100 and a water cooling assembly 200. The grinding assembly 100 comprises a bracket 110, a rotating rod 120 and a grinding head 130. One end of the rotating rod 120 is rotationally connected to the bracket 110, and the other end of the rotating rod 120 is connected to the grinding head 130. The rotating rod 120 can be raised and lowered in the vertical direction. The grinding head 130 is provided with a plurality of through holes 131. The grinding head 130 can be rotated under the driving of the rotating rod 120. A working platform 300 is arranged below the grinding head 130. The water cooling assembly 200 comprises an inner pipe 210, a water tank 220 and a water spraying head 230. The water tank 220 is arranged on the bracket 110. The water outlet of the water tank 220 is connected to the water inlet of the inner pipe 210. The inner pipe 210 is arranged in the rotating rod 120. The water outlet of the inner pipe 210 is fixedly connected to the water spraying head 230. The water spraying head 230 is rotationally arranged in the grinding head 130. At least one row of water spraying rows 231 are equidistantly arranged on the water spraying head 230. The water spraying rows 231 are matched with the through holes 131.

[0030] Specifically, the working platform 300 adopts a roller conveying mechanism, the rotating rod 120 includes an extension tube and a fixed tube, one end of the fixed tube is connected to the bracket 110 and is driven to rotate by a motor, a gear, a belt or the like, the extension tube is arranged in the fixed tube and is connected to the fixed tube through a limiting block, a clamping groove or the like, and rotates with the fixed tube; the grinding head 130 is internally provided with a cavity, and the grinding head 130 is connected to one end of the extension tube and rotates therewith, the through holes 131 are long strips and are equidistantly distributed on the side surface of the grinding head 130, and the through holes 131 penetrate the grinding head 130 and are connected to the cavity.

[0031] The water tank 220 is arranged on the bracket 110, the bracket 110 is made of pipe material, plate material or the like, the water tank 220 is provided with a water inlet at the top for water filling, one end of the inner tube 210 extends into the fixed tube from the end of the fixed tube and is connected to the end of the extension tube away from the fixed tube, and the inner tube 210 is a flexible tube; the water outlet of the inner tube 210 is connected to the water spraying head 230, the size of the water spraying head 230 is smaller than that of the cavity, the water spraying head 230 is symmetrically provided with the spray rows 231, the spray rows 231 do not rotate with the grinding head 130, and the through holes 131 of the grinding head 130 switch between the first position and the second position, when the through holes 131 are in the first position, the through holes 131 correspond to the spray rows 231, and the water in the spray rows 231 is sprayed out of the through holes 131, when the through holes 131 are in the second position, the inner wall of the grinding head 130 is in contact with the end of the spray rows 231, so that the water cannot pass through the through holes 131 and is sprayed on the inner wall of the grinding head 130 to cool the interior of the grinding head 130.

[0032] Further, the engine cylinder head is placed on the working platform 300 and positioned (positioning can be achieved by manual or mechanical means), after positioning, the rotating rod 120 is lowered to drive the grinding head 130 to extend into the hole of the engine cylinder head to be ground, the water tank 220 is opened, and the rotating rod 120 drives the grinding head 130 to rotate, when the grinding head 130 rotates, the through holes 131 switch between the first position and the second position, the water in the water tank 220 enters the water spraying head 230 through the inner tube 210 and is sprayed out of the spray rows 231, when in the first position, the water passes through the through holes 131 to cool the engine cylinder head, and when in the second position, the water is sprayed on the inner wall of the grinding head 130 to cool the grinding head 130.

[0033] The technical scheme of the engine cylinder head grinding device can achieve the following beneficial effects:

[0034] By setting the water spraying head 230 in the grinding head 130, the water spraying head 230 can flush the ground impurities during the grinding process, and cool the grinding head 130 and the engine cylinder head, thereby solving the problem that the high-speed rotation of the grinder during the grinding of the cylinder head is prone to cause deformation of the grinder and the cylinder head grinding part, resulting in reduced service life, reduced precision and sealing performance of the cylinder head; by adopting the cavity grinding head 130, the problem that the inner tube 210 is twisted with the rotation of the rotating rod 120, thereby causing the inner tube 210 to be knotted and the water to flow out smoothly.

[0035] In the above scheme, in order to solve the problem that the rotating rod 120 and the grinding head 130 rotate, the inner tube 210 and the water spraying head 230 do not rotate, the water cooling assembly 200 further comprises a first bearing member 232, the inner ring of the first bearing member 232 is connected with the water spraying head 230, and the outer ring of the first bearing member 232 is connected with the grinding head 130.

[0036] Further, the water cooling assembly 200 further comprises a second bearing member 233, the inner ring of the second bearing member 233 is connected with the inner tube 210, and the outer ring of the second bearing member is connected with the rotating rod 120.

[0037] Specifically, the first bearing member 232 and the second bearing member 233 are both bearing structures, including an inner ring and an outer ring; the first bearing member 232 is provided with two, and the inner rings of the two first bearing members 232 are respectively arranged at the two ends of the water spraying head 230, and the outer rings of the first bearing members 232 are respectively connected with the two ends of the grinding head 130; similarly, the second bearing member 233 is provided with one, and the inner ring of the second bearing member 233 is arranged at one end of the inner tube 210 away from the water tank 220, and the outer ring of the second bearing member is connected with one end of the rotating rod 120 close to the grinding head 130 (the end of the telescopic tube away from the fixed tube); when the rotating rod 120 rotates, the grinding head 130 rotates, and the outer rings of the second bearing member 233 and the first bearing member 232 connected therewith rotate, and vice versa, the inner rings of the second bearing member 233 and the first bearing member 232 do not rotate, thereby ensuring that the inner tube 210 and the water spraying head 230 do not rotate. By setting the first bearing member 232 and the second bearing member 233, the problem of relative rotation is solved, and by fixing and positioning the inner tube 210 and the water spraying head 230 through the first bearing member 232 and the second bearing member 233, the problem that the grinding head 130 shakes and causes damage when the water spraying head 231 rotates is solved.

[0038] Based on the above scheme, in order to improve the flushing efficiency, the rotating rod 120 is sleeved with a third bearing 234, the outer ring of the third bearing 234 is connected with the bracket 110, and a plurality of water pipes 240 are arranged on the outer ring of the third bearing 234, the water inlet of the water pipe 240 is connected with the water outlet of the water tank 220, and the horizontal projection of the water outlet of the water pipe 240 coincides with the edge of the projection of the grinding head 130.

[0039] Specifically, the third bearing 234 is arranged on the rotating rod 120 (the telescopic pipe, and located above the grinding head 130, the distance is adjusted according to the telescopic height), and the third bearing 234 includes an inner ring and an outer ring. The inner ring of the third bearing 234 is connected with the outer wall of the rotating rod 120, the outer ring of the third bearing 234 is connected with the bracket 110 through the telescopic rod, and the water pipes 240 are symmetrically arranged on the outer ring of the third bearing 234. The water inlet of the water pipe 240 is arranged at the water outlet of the water tank 220, and the water outlet of the water tank 220 is provided with a valve for controlling the flow of water; the water outlet of the water pipe 240 extends above the edge of the grinding head 130; when the rotating rod 120 rotates, the outer ring of the third bearing 234 does not rotate, so that the water pipes 240 continuously flush the engine cylinder cover and the grinding head 130 from the opposite directions, and the impurities generated by grinding are washed away by a large amount of water, and the engine cylinder cover and the grinding head 130 are continuously cooled, so as to improve the flushing efficiency and make the grinding more efficient.

[0040] In the above scheme, in order to improve the utilization rate of water, the bottom of the working platform 300 is provided with a water collecting tank 310, the water collecting tank 310 is provided with a water purifying device, the water collecting tank 310 is used for collecting the water flowing out of the water tank 220, and the water purifying device is used for filtering and purifying the water in the water collecting tank 310.

[0041] Further, one end of the water collecting tank 310 is provided with a circulating pump, and the water outlet of the circulating pump is connected with the water inlet of the water tank 220.

[0042] The water tank 310 is arranged below the working platform 300, and four edges of the water tank 310 are connected to the circumferential side of the bracket 110 respectively, the bottom of the water tank 310 is arranged to be inclined, a water guide plate opposite to the inclined direction of the bottom of the water tank 310 is arranged in the middle of the water tank 310, a water purification device is arranged at the position closest to the bottom of the water tank 310, and the water purification device is selected according to different standards; a circulating pump is arranged at the lowest position of the water tank 310; the water purification device is, but is not limited to, a mechanical water purification device (such as a water purifier), a physical water purification device (such as an activated carbon layer), etc. The water in the water tank 220 is sprayed on the engine cylinder and the grinding head 130 through the water pipe 240 and the inner pipe 210 and the water head 230, and flows into the water tank 310 from the working platform 300, is guided into the water purification device by the water guide plate, is purified, flows into the bottom of the water tank 310, and the circulating pump transports the purified water back into the water tank 220, so that the circulation is completed, thereby achieving the problem of recycling of water resources and reducing the cost.

[0043] In the preferred embodiment of the present application, the grinding head 130 is further provided with a plurality of grinding strips 132, the grinding strips 132 are arranged between adjacent two through holes 131, and the length direction of the grinding strips 132 coincides with the vertical direction.

[0044] The grinding strips 132 are detachably arranged on the grinding head 130, are connected by means of, but are not limited to, clamping, bolts, sliding grooves, etc., the length of the grinding strips 132 is the same as the length of the grinding head 130, the grinding strips 132 protrude from the grinding head 130 and contact the side wall of the engine cylinder hole, the through holes 131 are long strip-shaped, are uniformly and equidistantly arranged on the grinding head 130, and are located between adjacent two grinding strips 132; by replacing the grinding strips 132 with different heights, different aperture holes are adapted, thereby improving the practicability; at the same time, by detachable connection of the grinding strips 132, the grinding strips 132 are convenient to replace, and the operation is more simple and convenient.

[0045] Based on the above scheme, a plurality of grooves 133 are arranged on the inner wall of the grinding head 130, the grooves 133 are arranged between adjacent two through holes 131, the spray 231 extends into the groove 133, and the end of the spray 231 and the inner wall of the groove 133 are in mutual abutment.

[0046] The inner wall of the grinding strip 132 is provided with a plurality of grooves 133, the grooves 133 are interrupted at the through holes 131, the number of the nozzles on the spray row 231 is the same as the number of the grooves 133, and the arrangement positions of the nozzles on the spray row 231 correspond to the arrangement positions of the grooves 133; when the grinding head 130 rotates, the nozzles of the spray row 231 are in the grooves 133, when the grinding head 130 rotates, the nozzles on the spray row 231 are switched between being blocked by the grooves 133 and coinciding with the through holes 131, by arranging the grooves 133, the problem that the nozzles on the spray row 231 are protruding and clamped into the through holes 131, causing the water spraying head 230 to rotate with the grinding head 130 at the same time, is solved.

[0047] The above embodiments only express several implementation manners of the application, the description is relatively specific and detailed, but it cannot be understood as a limitation on the patent application scope. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the application, several modifications and improvements can be made, which all belong to the protection scope of the application. Therefore, the protection scope of the patent application of the application should be subject to the appended claims.

Claims

1. An engine cylinder head lapping device characterized by, The utility model relates to a kind of water-cooled grinding machine, including: Grinding assembly, the grinding assembly includes bracket, rotating rod and grinding head, the bracket is rotatably connected one end of the rotating rod, the other end of the rotating rod is connected the grinding head, and the rotating rod can be lifted up and down along vertical direction;Several through holes are provided on the grinding head, the grinding head can be rotated under the driving of the rotating rod, and working platform is provided below the grinding head;And Water cooling assembly, the water cooling assembly includes inner tube, water tank and water spraying head, the water tank is arranged on the bracket, and the water outlet of the water tank is connected with the water inlet of the inner tube;The inner tube is arranged inside the rotating rod, the water outlet of the inner tube is fixedly connected with the water spraying head, the water spraying head is rotatably arranged in the grinding head, at least one row of spray rows are equidistantly arranged on the water spraying head, and the spray rows are matched with the through holes.

2. The engine cylinder head lapping device of claim 1, wherein, The water cooling assembly further includes a first bearing, the inner ring of the first bearing is connected with the water spraying head, and the outer ring of the first bearing is connected with the grinding head.

3. The engine cylinder head lapping apparatus of claim 1, wherein, The water cooling assembly further includes a second bearing, the inner ring of the second bearing is connected with the inner tube, and the outer ring of the second bearing is connected with the rotating rod.

4. The engine cylinder head lapping apparatus of claim 1, wherein, A third bearing is arranged on the rotating rod, the outer ring of the third bearing is connected with the bracket, and a plurality of water pipes are arranged on the outer ring of the third bearing, the water inlets of the water pipes are connected with the water outlets of the water tank, and the horizontal projections of the water outlets of the water pipes coincide with the edges of the projections of the grinding head.

5. The engine cylinder head lapping apparatus of claim 1, wherein, A water storage tank is arranged at the bottom of the working platform, a water purifying device is arranged on the water storage tank, the water storage tank is used for collecting the water flowing out of the water tank, and the water purifying device is used for filtering and purifying the water in the water storage tank.

6. The engine cylinder head lapping apparatus of claim 5, wherein, A circulating pump is arranged at one end of the water storage tank, and the water outlet of the circulating pump is connected with the water inlet of the water tank.

7. The engine cylinder head lapping apparatus of claim 1, wherein, A plurality of grinding strips are further arranged on the grinding head, the grinding strips are arranged between adjacent two through holes, and the length direction of the grinding strips coincides with the vertical direction.

8. The engine cylinder head lapping device of claim 7, wherein, A plurality of grooves are arranged on the inner wall of the grinding head, the grooves are arranged between adjacent two through holes, the spray rows extend into the grooves, and the end portions of the spray rows abut against the inner walls of the grooves.

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