Processing and grinding device for automobile cylinder sleeve
Technical Field
The invention relates to the technical field of automobile production and manufacturing, in particular to a machining and grinding device for an automobile cylinder sleeve.
Background
The cylinder sleeve is simply called cylinder sleeve, which is embedded in the cylinder barrel of the cylinder body and forms a combustion chamber together with the piston and the cylinder cover. The cylinder liners are classified into dry cylinder liners and wet cylinder liners. The cylinder sleeve with the back surface not contacted with the cooling water is called a dry cylinder sleeve, and the cylinder sleeve with the back surface contacted with the cooling water is a wet cylinder sleeve. The dry cylinder sleeve has the advantages of small thickness, simple structure and convenient processing. The wet cylinder sleeve directly contacts with cooling water, so that the cooling of the engine is facilitated, and the engine is small and light.
The existing cylinder sleeve needs to grind the inner wall of the cylinder sleeve before welding the cylinder bottom, grinding is realized by contact extrusion friction between a grinding rod and the inner wall of the cylinder sleeve in the grinding process, but the positions of grinding particles on the surface of the grinding rod do not change when the grinding particles rotate relative to the cylinder sleeve, so that the ground inner wall of the cylinder sleeve is an annular groove after being amplified, and the roughness is higher.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a processing and grinding device for an automobile cylinder sleeve, which solves the problem of high roughness of the inner wall of the grinded cylinder sleeve.
The invention is realized by the following technical scheme: a processing and grinding device for an automobile cylinder sleeve comprises a bottom plate, a clamp and a cylinder sleeve, wherein the clamp is connected to the upper surface of the bottom plate in a sliding manner, the cylinder sleeve is sleeved on the inner side of the clamp, a rotating mechanism is connected to one end, located away from the clamp, of the upper surface of the bottom plate in a sliding manner, a grinding mechanism is fixedly installed at one end, close to the clamp, of the rotating mechanism, and one end, away from the rotating mechanism, of the grinding mechanism is sleeved inside; a contraction mechanism is fixedly arranged on the upper surface of the bottom plate between the clamp and the rotating mechanism, and one end of the contraction mechanism is fixedly connected with the rotating mechanism; the other end of the contraction mechanism is fixedly connected with the clamp, the rotating mechanism comprises a support, the support is fixedly installed at one end, far away from the clamp, of the upper surface of the bottom plate, a motor is fixedly sleeved in the support, a square shaft is fixedly connected to the output end of the motor, a limiting plate is fixedly installed at one end, far away from the motor, of the square shaft, a rotating plate is connected to the outer surface of the square shaft in a sliding mode, a sliding rail is fixedly installed on the upper surface of the bottom plate, located below the rotating plate, and slidably connected with the sliding rail, a limiting frame is rotatably connected to one side, close to the motor, of the rotating plate, the upper surface of the bottom plate is provided with; the grinding mechanism comprises two connecting frames, the two connecting frames are fixedly arranged at the edge of one side, away from the motor, of the rotating plate, the two connecting frames are symmetrically arranged, a limiting frame is fixedly arranged on the inner side of one end, away from the rotating plate, of each connecting frame, limiting grooves are formed in two sides of the interior of each limiting frame, limiting blocks are slidably connected to the interiors of the limiting grooves, the two limiting blocks are fixedly connected through a positioning block, a compression spring is fixedly arranged at the bottom end of the positioning block, one end, away from the positioning block, of the compression spring is fixedly connected with an inner bottom wall with a limiting bit width, a positioning bolt is in threaded connection with the inner top wall of the limiting frame, and a central rod is rotatably connected to the middle of the positioning block; the outer surface of one side, close to the rotating plate, of the central rod is fixedly sleeved with a fixing sleeve, the outer surface of the fixing sleeve is provided with a guide groove, one side, close to the limiting frame, of the inner part of the guide groove is provided with a positioning plate, the bottom end of the positioning plate is fixedly provided with a supporting frame, one end, far away from the positioning plate, of the supporting frame is fixedly connected with a limiting plate, one end, far away from the rotating plate, of the central rod extends into the cylinder sleeve, the outer surface of one end, far; the contraction mechanism comprises a gear, the gear is rotatably connected to the upper surface of the bottom plate, the middle of the gear, which is located on the gear, is rotatably connected with a motor, the motor is located above the gear, the motor is fixedly connected with the bottom plate, a left rack plate and a right rack plate are respectively meshed with the two sides of the gear, one end of the left rack plate, which is far away from the gear, is fixedly connected with the limiting frame, and one end of the right rack plate, which is far away from the gear, is fixedly connected with the.
Preferably, the upper end of the positioning block is fixedly provided with an extension spring, and the extension spring is sleeved on the outer surface of the positioning bolt.
Preferably, a partition plate is fixedly sleeved on one side, close to the limiting frame, of the friction sleeve of the center rod, a thread groove is formed in the outer surface of one end, far away from the limiting frame, of the center rod, and a positioning bolt is connected to the outer surface of the thread groove in a threaded mode.
Preferably, the diameter of the partition plate is smaller than that of the friction sleeve, and the diameter of the positioning bolt is smaller than that of the friction sleeve.
Preferably, the outer surface of the motor is fixedly sleeved with a connecting sleeve, two sides of the bottom end of the connecting sleeve are fixedly provided with supporting rods, the bottom end of each supporting rod is fixedly connected with the bottom plate, and each supporting rod is located between the left rack plate and the right rack plate.
Preferably, the rotating plate is provided with a T-shaped ring groove at one side close to the motor, the T-shaped ring groove is rotatably connected with a half ring inside, and the limiting frame is sleeved inside the T-shaped ring groove and is fixedly connected with the half ring.
Compared with the prior art, the invention has the beneficial effects that: 1. this automobile cylinder liner is with processing grinder, it can polish the cylinder liner inner wall through the friction cover to change the board rotation through motor drive, move through the left rack board of the rotatory cooperation of motor drive gear and right rack board and can pass through anchor clamps and change being close to each other of board and keep away from the effect that reaches change friction cover and cylinder liner relative position and can realize the rotation of friction cover through the cooperation of guide slot and locating plate at the in-process that changes the board and remove, thereby can change friction cover and cylinder liner contact surface, finally can reach the effect that changes the friction cover and grind the cylinder liner position, the problem that the friction cover position is unchangeable among the prior art and polishes the roughness of back cylinder liner inner wall is solved.
2. This automobile cylinder liner is with processing grinder through setting up the position of the fixed well core rod of spacing frame, can realize the maximum displacement volume of restriction locating piece through setting up positioning bolt, and then can reach the maximum displacement volume of restriction friction sleeve to can reach the effect of the restriction maximum displacement volume of polishing.
3. This automobile cylinder liner is with processing grinder through setting up left rack board and right rack board, can make the two be close to each other or keep away from each other through the gear rotation, and then can drive commentaries on classics board and anchor clamps relative movement to change the effect of the relative position of friction cover and cylinder liner.
4. This automobile cylinder liner is with processing grinder, through seting up T shape annular at the back of commentaries on classics board, can reach the effect that commentaries on classics board can realize moving at rotatory in-process with the semi-ring cooperation in T shape annular inslot, solve among the prior art problem of interference before rotatory and the removal.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of a rotating mechanism according to the present invention.
FIG. 3 is a schematic view of the clip connection of the present invention.
FIG. 4 is a schematic half-section view of a rotating plate according to the present invention.
FIG. 5 is a schematic view of the retracting mechanism of the present invention.
FIG. 6 is a schematic half-sectional view of the polishing mechanism of the present invention.
FIG. 7 is a partial schematic view of a polishing mechanism according to the present invention.
FIG. 8 is a cross-sectional view of the inventive mandrel.
Wherein, the bottom plate-1, the clamp-2, the cylinder sleeve-3, the rotating mechanism-4, the grinding mechanism-5, the shrinking mechanism-6, the support-7, the motor-8, the square shaft-9, the limit plate-10, the rotating plate-11, the slide rail-12, the limit frame-13, the narrow slide groove-14, the wide slide groove-15, the connecting frame-16, the limit frame-17, the limit groove-18, the limit block-19, the locating block-20, the compression spring-21, the locating bolt-22, the extension spring-23, the central rod-24, the fixed sleeve-25, the guide groove-26, the locating plate-27, the support frame-28, the friction sleeve-29, the clapboard-30, the thread groove-31, the locating bolt-32, the gear-33, A motor-34, a left rack plate-35, a right rack plate-36, a connecting sleeve-37, a support rod-38, a T-shaped ring groove-39 and a semi-ring-40.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a processing and grinding device for an automobile cylinder sleeve, which comprises the following components: as shown in fig. 1-4, a processing and grinding device for an automobile cylinder sleeve comprises a bottom plate 1, a clamp 2 and a cylinder sleeve 3, wherein the clamp 2 is slidably connected with the upper surface of the bottom plate 1, the cylinder sleeve 3 is sleeved on the inner side of the clamp 2, one end of the upper surface of the bottom plate 1, which is far away from the clamp 2, is slidably connected with a rotating mechanism 4, one end of the rotating mechanism 4, which is close to the clamp 2, is fixedly provided with a grinding mechanism 5, one end of the grinding mechanism 5, which is far away from the rotating mechanism 4, is sleeved inside the cylinder sleeve 3, one end of the bottom plate 1, which is far away from the clamp 2, is fixedly provided with a contraction mechanism 6, one end of the contraction mechanism 6 is fixedly connected with the rotating mechanism 4, the other end of the contraction mechanism 6 is fixedly connected with the clamp 2, the rotating mechanism 4 comprises, the output end of the motor 8 is fixedly connected with a square shaft 9, one end of the square shaft 9 far away from the motor 8 is fixedly provided with a limit plate 10, the outer surface of the square shaft 9 is connected with a rotating plate 11 in a sliding way, the upper surface of the bottom plate 1 is fixedly provided with a slide rail 12 below the rotating plate 11, the half part of the slide rail 12 is in a ring shape, the slide rail 12 plays a role of supporting the rotating plate 11, the rotating plate 11 is connected with the slide rail 12 in a sliding way, one side of the rotating plate 11 close to the motor 8 is rotatably connected with a limit frame 13, one side of the rotating plate 11 close to the motor 8 is provided with a T-shaped ring groove 39, the inside of the T-shaped ring groove 39 is rotatably connected with a half ring 40, the limit frame 13 is sleeved inside the T-shaped ring groove 39 and fixedly connected with the half ring 40, the rotation of the rotating plate 11 can be ensured to move in the rotating process through the arrangement, the upper surface of the bottom plate 1 is positioned below the clamp 2 and is provided with a wide sliding groove 15, the clamp 2 is slidably connected inside the wide sliding groove 15, the grinding mechanism 5 comprises two connecting frames 16, the two connecting frames 16 are fixedly arranged at the edge of one side of the rotating plate 11 far away from the motor 8, the two connecting frames 16 are symmetrically arranged, a limiting frame 17 is fixedly arranged at the inner side of one end of each connecting frame 16 far away from the rotating plate 11, limiting grooves 18 are formed in the two sides of the inside of the limiting frame 17, limiting blocks 19 are slidably connected inside the limiting grooves 18, the two limiting blocks 19 are fixedly connected through a positioning block 20, a compression spring 21 is fixedly arranged at the bottom end of the positioning block 20, one end of the compression spring 21 far away from the positioning block 20 is fixedly connected with the inner bottom wall of the limiting width 17, a positioning bolt 22 is in threaded connection with the inner top wall of the limiting frame 17, the positioning bolt 22, the extension spring 23 is sleeved on the outer surface of the positioning bolt 22, the extension spring 23 can assist the compression spring 21, so that the inner wall of the cylinder sleeve 3 can be ensured to be tightly attached, the middle part of the positioning block 20 is rotatably connected with a central rod 24, the outer surface of the central rod 24 positioned in the positioning block 20 is fixedly sleeved with a ring plate, the left and right movement of the central rod 24 can be limited through the arrangement, the outer surface of one side, close to the rotating plate 11, of the central rod 24 is fixedly sleeved with a fixing sleeve 25, the outer surface of the fixing sleeve 25 is provided with a guide groove 26, the guide groove 26 is spiral, one side, close to the limiting frame 17, of the inner part of the guide groove 26 is provided with a positioning plate 27, the positioning plate 27 can be always positioned in the guide groove 26, the bottom end of the positioning plate 27 is fixedly, the outer surface of one end of the central rod 24, which is far away from the rotating plate 11, is sleeved with a friction sleeve 29, the friction sleeve 29 is in sliding connection with the central rod 24, the inner side of the friction sleeve 29 is fixedly provided with a clamping block, the central rod 24 is provided with a clamping groove matched with the clamping block, the free rotation of the friction sleeve 29 can be limited through the arrangement, one side, which is close to the limiting frame 17, of the friction sleeve 29, of the central rod 24 is fixedly sleeved with a partition plate 30, the outer surface of one end, which is far away from the limiting frame 17, of the central rod 24 is provided with a thread groove 31, the outer surface of the thread groove 31 is in threaded connection with a positioning bolt 32, the friction sleeve 29 can be conveniently replaced through the arrangement, the diameter of the partition plate 30 is smaller than that of the friction sleeve 29, the diameter of the positioning bolt 32 is smaller than that of the friction sleeve 29, so that, the motor 34 is located above the gear 33, the motor 34 is fixedly connected with the base plate 1, two sides of the gear 33 are respectively meshed with the left rack plate 35 and the right rack plate 36, a connecting sleeve 37 is fixedly sleeved on the outer surface of the motor 34, supporting rods 38 are fixedly installed on two sides of the bottom end of the connecting sleeve 37, the bottom end of each supporting rod 38 is fixedly connected with the base plate 1, each supporting rod 38 is located between the left rack plate 35 and the right rack plate 36, the connecting sleeve 37 and the supporting rods 38 play a supporting role, the rotating speed of the motor 34 is periodic, the rotating speed of each period is different, but each period can drive the left rack plate 35 and the right rack plate 36 to complete a moving period, one end, far away from the gear 33, of the left rack plate 35 is fixedly connected with the limiting frame 13, and one end, far away from the gear 33.
When in use, the cylinder sleeve 3 is fixed inside the fixture 2, the central rod 24 is pressed to ensure that the friction sleeve 29 is tangent to the inner wall of the cylinder sleeve 3, the positioning bolt 22 is rotated, the position of the positioning bolt 22 relative to the positioning block 20 is adjusted, the maximum polishing amount can be limited, the starting motor 8 can drive the rotating plate 11 to rotate through the square shaft 9 by the rotation of the motor 8, the grinding mechanism 5 can be driven to rotate through the rotation of the rotating plate 11, so that the inner wall of the cylinder sleeve 3 can be polished, the gear 33 can be driven to periodically rotate through the periodic rotation of the motor 34, the rotating plate 11 can be driven to slide along the square shaft 9 by the movement of the left rack plate 35, the fixed sleeve 25 can be driven to move by the movement of the central rod 24 when the rotating plate 11 moves, the central rod 24 can be driven to rotate through the matching of the guide groove 26 and the positioning plate 27, and the, the rotating speed of the motor 8 is different from that of the motor 34, the contact surface of the friction sleeve 29 and the cylinder sleeve 3 is changed all the time, and the right rack plate 36 drives the clamp 2 to move so as to accelerate the position change of the cylinder sleeve 3 relative to the friction sleeve 29.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.