CN111283486A - A processing and grinding device for automobile cylinder liner - Google Patents

Abstract

The invention provides a processing and grinding device for an automobile cylinder sleeve, and relates to the field of automobile production and manufacturing. The processing and grinding device for the 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 mode, the cylinder sleeve is connected to the inner side of the clamp in a sleeved mode, and one end, located away from the clamp, of the upper surface of the bottom plate is connected with a rotating mechanism in a sliding mode. This automobile cylinder liner is with processing grinder, it is rotatory to be able to polish through the friction cover through the motor drive commentaries on classics board, move through the rotatory cooperation left rack board of motor drive gear and right rack board and can pass through anchor clamps and commentaries on classics board be close to each other 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, finally can reach the effect that changes friction cover grinding 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.

Description

A processing and grinding device for automobile cylinder liner

technical field

The invention relates to the technical field of automobile manufacturing, in particular to a processing and grinding device for automobile cylinder liners.

Background technique

The cylinder liner is the abbreviation of the cylinder liner. It is embedded in the cylinder barrel of the cylinder block and forms the combustion chamber together with the piston and the cylinder head. Cylinder liner is divided into two categories: dry cylinder liner and wet cylinder liner. The cylinder liner whose back does not contact the cooling water is called a dry cylinder liner, and the cylinder liner whose back is in contact with the cooling water is a wet cylinder liner. The thickness of the dry cylinder liner is thin, the structure is simple, and the processing is convenient. The wet cylinder liner is in direct contact with the cooling water, so it is beneficial to the cooling of the engine and to the miniaturization and weight reduction of the engine.

The existing cylinder liner needs to grind the inner wall of the cylinder liner before welding the bottom of the cylinder. During the grinding process, the grinding rod and the inner wall of the cylinder liner are contacted and squeezed and rubbed to achieve grinding, but the abrasive particles on the surface of the grinding rod are not positioned relative to the cylinder liner. The inner wall of the polished cylinder liner is enlarged to form an annular groove with high roughness.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the present invention provides a processing and grinding device for automobile cylinder liners, which solves the problem of high inner wall roughness after grinding of the cylinder liners.

The present invention is achieved through the following technical solutions: a processing and grinding device for automobile cylinder liners, comprising a bottom plate, a fixture and a cylinder liner, the fixture is slidably connected to the upper surface of the bottom plate, the cylinder liner is sleeved on the inner side of the fixture, and the upper surface of the bottom plate is located away from the fixture. A rotating mechanism is slidably connected to one end of the rotating mechanism, a grinding mechanism is fixedly installed at one end of the rotating mechanism close to the fixture, and the end of the grinding mechanism away from the rotating mechanism is sleeved inside the cylinder liner; the top of the bottom plate is fixedly installed between the fixture and the rotating mechanism. One end of the shrinking mechanism is fixedly connected with the rotating mechanism; the other end of the shrinking mechanism is fixedly connected with the fixture, and the rotating mechanism includes a support, the support is fixedly installed on the end of the upper surface of the bottom plate away from the fixture, and the inner fixed sleeve of the support A motor is connected, a square shaft is fixedly connected to the output end of the motor, a limit plate is fixedly installed at one end of the square shaft away from the motor, a rotating plate is slidably connected to the outer surface of the square shaft, and a sliding plate is fixedly installed on the upper surface of the bottom plate under the rotating plate. The turning plate is slidably connected with the sliding rail, the side of the turning plate close to the motor is rotatably connected to the limit frame, the upper surface of the bottom plate is located on the outer side of the limit frame with a narrow chute, and the limit frame is slidably connected inside the narrow chute The upper surface of the bottom plate is provided with a wide chute under the clamp, the clamp is slidably connected to the inside of the wide chute, and the grinding mechanism includes two connecting frames, which are fixedly installed on the edge of the turning plate away from the motor side , The two connecting frames are symmetrically arranged, and a limit frame is fixedly installed on the inner side of one end of the two connecting frames away from the turning plate, and there are limit slots on both sides of the inside of the limit frame. The limit blocks are fixedly connected through a positioning block, the bottom end of the positioning block is fixedly installed with a compression spring, the end of the compression spring away from the positioning block is fixedly connected with the inner bottom wall of the limit width, and the inner top wall of the limit frame is threadedly connected with a The positioning bolt, the middle of the positioning block is rotatably connected with a central rod; the outer surface of the central rod close to the turning plate side is fixedly sleeved with a fixed sleeve, the outer surface of the fixed sleeve is provided with a guide groove, and the inside of the guide groove is close to the limit frame A positioning plate is arranged on one side of the positioning plate, a support frame is fixedly installed at the bottom end of the positioning plate, the end of the support frame away from the positioning plate is fixedly connected with the limit plate, the end of the center rod away from the turning plate extends to the inside of the cylinder liner, and the center rod away from the The outer surface of one end of the rotating plate is sleeved with a friction sleeve, and the friction sleeve is slidably connected with the center rod; the shrinking mechanism includes a gear, the gear is rotatably connected to the upper surface of the bottom plate, and the gear is located in the middle of the gear and is rotatably connected to a motor, and the motor is located in the middle of the gear. Above, the motor is fixedly connected with the bottom plate, the left rack plate and the right rack plate are meshed on both sides of the gear, the end of the left rack plate away from the gear is fixedly connected with the limit frame, and the end of the right rack plate away from the gear is connected with the clamp Fixed connection.

Preferably, a tension spring is fixedly installed on the upper end of the positioning block, and the tension spring is sleeved on the outer surface of the positioning bolt.

Preferably, the center rod is located on the side of the friction sleeve close to the limit frame and is fixedly sleeved with a partition plate, the outer surface of one end of the center rod away from the limit frame is provided with a threaded groove, and the outer surface of the threaded groove is threadedly connected with positioning bolts.

Preferably, the diameter of the separator is smaller than the diameter of the friction sleeve, and the diameter of the positioning bolt is smaller than the diameter of the friction sleeve.

Preferably, a connecting sleeve is fixedly sleeved on the outer surface of the motor, a support rod is fixedly installed on both sides of the bottom end of the connecting sleeve, the bottom end of the support rod is fixedly connected with the bottom plate, and the support rod is located on the left rack plate and the right rack between the boards.

Preferably, a T-ring groove is formed on the side of the rotating plate close to the motor, and a half-ring is rotatably connected to the inside of the T-ring groove.

Compared with the prior art, the beneficial effects of the present invention are: 1. The machining and grinding device for the automobile cylinder liner can grind the inner wall of the cylinder liner through the friction sleeve through the rotation of the motor-driven rotary plate, and the motor drives the gear to rotate to match the left rack. The movement of the plate and the right rack plate can achieve the effect of changing the relative position of the friction sleeve and the cylinder liner through the mutual approach and distance of the clamp and the rotating plate. During the movement of the rotating plate, the rotation of the friction sleeve can be realized through the cooperation of the guide groove and the positioning plate. , so that the contact surface between the friction sleeve and the cylinder liner can be changed, and finally the effect of changing the position of the friction sleeve grinding the cylinder liner can be achieved, which solves the problem that the inner wall of the cylinder liner is rough after the friction sleeve position remains unchanged in the prior art.

2. For the processing and grinding device for automobile cylinder liner, the position of the center rod is fixed by setting the limit frame, and the maximum displacement of the positioning block can be limited by setting the positioning bolt, and then the maximum displacement of the friction sleeve can be limited, so that the limit can be achieved. The effect of grinding the maximum displacement amount.

3. The processing and grinding device for automobile cylinder liner, by setting the left rack plate and the right rack plate, can make the two close to each other or away from each other through the rotation of the gear, and then can drive the rotating plate and the fixture to move relative to each other, thereby changing the friction sleeve and The effect of the relative position of the cylinder liner.

4. The machining and grinding device for automobile cylinder liner can achieve the effect that the rotating plate can move during the rotation process by opening a T-ring groove on the back of the rotating plate, and cooperating with the half ring in the T-ring groove, which solves the problem of the current situation. There is a problem with interfering before rotation and movement in technology.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic diagram of the rotating mechanism of the present invention.

FIG. 3 is a schematic diagram of the connection of the clamp of the present invention.

Fig. 4 is a half-section schematic diagram of the rotating plate of the present invention.

FIG. 5 is a schematic diagram of the shrinking mechanism of the present invention.

FIG. 6 is a schematic half-section view of the grinding mechanism of the present invention.

FIG. 7 is a partial schematic diagram of the grinding mechanism of the present invention.

Figure 8 is a sectional view of the center rod of the present invention.

Among them, the bottom plate-1, the fixture-2, the cylinder liner-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, Turn plate-11, slide rail-12, limit frame-13, narrow chute-14, wide chute-15, connecting frame-16, limit frame-17, limit slot-18, limit block-19 , positioning block-20, compression spring-21, positioning bolt-22, tension spring-23, center rod-24, fixing sleeve-25, guide groove-26, positioning plate-27, support frame-28, friction sleeve- 29. Partition plate-30, thread groove-31, positioning bolt-32, gear-33, motor-34, left rack plate-35, right rack plate-36, connecting sleeve-37, strut-38, T Ring groove-39, half ring-40.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

An embodiment of the present invention provides a processing and grinding device for an automobile cylinder liner: as shown in FIGS. 1-4 , a processing and grinding device for an automobile cylinder liner includes a bottom plate 1 , a fixture 2 and a cylinder liner 3 , and the fixture 2 is slidably connected to the bottom plate 1 . The upper surface, the cylinder liner 3 is sleeved on the inner side of the fixture 2, the upper surface of the bottom plate 1 is located at one end away from the fixture 2 and is slidably connected with a rotating mechanism 4, and one end of the rotating mechanism 4 close to the fixture 2 is fixedly installed with a grinding mechanism 5, and the grinding mechanism 5 One end away from the rotating mechanism 4 is sleeved inside the cylinder liner 3, the upper surface of the bottom plate 1 is located between the clamp 2 and the rotating mechanism 4 and a shrinking mechanism 6 is fixedly installed, one end of the shrinking mechanism 6 is fixedly connected with the rotating mechanism 4, and the shrinking mechanism 6 The other end is fixedly connected with the clamp 2, the rotating mechanism 4 includes a support 7, the support 7 is fixedly installed on the end of the upper surface of the bottom plate 1 away from the clamp 2, the inner part of the support 7 is fixedly sleeved with a motor 8, and the output end of the motor 8 A square shaft 9 is fixedly connected, a limit plate 10 is fixedly installed at one end of the square shaft 9 away from the motor 8, a rotating plate 11 is slidably connected to the outer surface of the square shaft 9, and a sliding plate 11 is fixedly installed on the upper surface of the bottom plate 1 under the rotating plate 11. Rail 12, half of the slide rail 12 is a circular ring, the guide rail 12 plays the role of supporting the turning plate 11, the turning plate 11 is slidably connected with the sliding rail 12, and the turning plate 11 is connected to the limit frame 13 on the side close to the motor 8. , the side of the rotary plate 11 close to the motor 8 is provided with a T-ring groove 39, the inner part of the T-ring groove 39 is rotatably connected with a half-ring 40, and the limit frame 13 is sleeved inside the T-ring groove 39 and is connected with the half-ring 40 is fixedly connected, through this setting, the turning plate 11 can be ensured to move during the rotation process. The upper surface of the bottom plate 1 is located on the outer side of the limiter 13 with a narrow chute 14, and the limiter 13 is slidably connected to the narrow chute. Inside 14, the upper surface of the bottom plate 1 is located below the fixture 2 with a wide chute 15, the fixture 2 is slidably connected to the inside of the wide chute 15, the grinding mechanism 5 includes two connecting frames 16, and the two connecting frames 16 are fixedly installed On the edge of the rotating plate 11 on the side away from the motor 8, two connecting frames 16 are symmetrically arranged, and a limit frame 17 is fixedly installed on the inner side of one end of the two connecting frames 16 away from the rotating plate 11. Position slot 18, the interior of the limit slot 18 is slidably connected to the limit block 19, the two limit blocks 19 are fixedly connected by the positioning block 20, the bottom end of the positioning block 20 is fixedly installed with a compression spring 21, and the compression spring 21 is far away from the positioning One end of the block 20 is fixedly connected to the inner bottom wall of the limit width 17, and the inner top wall of the limit frame 17 is threadedly connected with a positioning bolt 22. The function of the positioning bolt 22 is to limit the maximum grinding amount. The upper end of the positioning block 20 is fixedly installed with The tension spring 23 is sleeved on the outer surface of the positioning bolt 22. By setting the tension spring 23, the compression spring 21 can be assisted, so as to ensure that it is closely attached to the inner wall of the cylinder liner 3, and the middle part of the positioning block 20 is rotated and connected. There is a center rod 24, and the outer surface of the center rod 24 located inside the positioning block 20 is fixedly sleeved with a ring plate, through this setting, the left and right movement of the center rod 24 can be restricted. The surface is fixedly sleeved with a fixed sleeve 25, the outer surface of the fixed sleeve 25 is provided with a guide groove 26, the guide groove 26 is helical, and the inner side of the guide groove 26 close to the limit frame 17 is provided with a positioning plate 27, the positioning plate 27 The bottom end of the positioning plate 27 is fixedly installed with a support frame 28, the end of the support frame 28 away from the positioning plate 27 is fixedly connected with the limit plate 10, and the end of the center rod 24 away from the turning plate 11 extends to the cylinder Inside the sleeve 3, the outer surface of one end of the center rod 24 away from the turning plate 11 is sleeved with a friction sleeve 29, the friction sleeve 29 is slidably connected with the center rod 24, the inner side of the friction sleeve 29 is fixedly installed with a clamping block, and the center rod 24 is provided with The slot for the clamping block can restrict the free rotation of the friction sleeve 29 through this setting. The center rod 24 is located on the side of the friction sleeve 29 close to the limit frame 17 and is fixedly sleeved with the partition 30, and the center rod 24 is far away from the limit frame. The outer surface of one end of the 17 is provided with a threaded groove 31, and the outer surface of the threaded groove 31 is threadedly connected with a positioning bolt 32. This arrangement can facilitate the replacement of the friction sleeve 29. The diameter of the partition plate 30 is smaller than that of the friction sleeve 29. The diameter of the friction sleeve 29 is smaller than the diameter of the friction sleeve 29, so as to avoid scratching the inner wall of the cylinder liner 3. The shrinking mechanism 6 includes a gear 33, which is rotatably connected to the upper surface of the bottom plate 1. The gear 33 is located in the middle of the gear 33 and is rotatably connected to a motor 34. , the motor 34 is located above the gear 33, the motor 34 is fixedly connected with the bottom plate 1, the left rack plate 35 and the right rack plate 36 are meshed on both sides of the gear 33, and the outer surface of the motor 34 is fixedly sleeved with a connection sleeve 37, A support rod 38 is fixedly installed on both sides of the bottom end of the connecting sleeve 37, and the bottom end of the support rod 38 is fixedly connected with the bottom plate 1. The support rod 38 is located between the left rack plate 35 and the right rack plate 36, and the connecting sleeve 37 and the support The rod 38 plays a supporting role. The rotational speed of the motor 34 is periodic, and the rotational speed of each cycle is different, but each cycle can drive the left rack plate 35 and the right rack plate 36 to complete a moving cycle. One end of the plate 35 away from the gear 33 is fixedly connected to the limiting frame 13 , and one end of the right rack plate 35 away from the gear 33 is fixedly connected to the clamp 2 .

When in use, fix the cylinder liner 3 inside the fixture 2, press the center rod 24 to ensure that the friction sleeve 29 is tangent to the inner wall of the cylinder liner 3, rotate the positioning bolt 22, and adjust the position of the positioning bolt 22 relative to the positioning block 20 to enable To limit the maximum grinding amount, the starting motor 8 can drive the rotating plate 11 to rotate through the rotation of the motor 8 and then the rotating plate 11 can drive the rotation of the rotating plate 11, and 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 liner 3 can be polished. The periodic rotation of the gear 33 can drive the gear 33 to rotate periodically. The movement of the left rack plate 35 can drive the rotating plate 11 to slide along the square axis 9. When the rotating plate 11 moves, the fixed sleeve 25 can be driven by the movement of the center rod 24. Move, through the cooperation of the guide groove 26 and the positioning plate 27, the center rod 24 can be driven to rotate, and then the position where the friction sleeve 29 contacts the inner wall of the cylinder liner 3 can be changed. The speed of the motor 8 is different from the speed of the motor 34. The contact surface of the cylinder liner 3 changes all the time, and the movement of the clamp 2 by the right rack plate 36 can speed up the position change of the cylinder liner 3 relative to the friction sleeve 29 .

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A processing and grinding device for an automobile cylinder liner, comprising a base plate (1), a clamp (2) and a cylinder liner (3), wherein the clamp (2) is slidably connected to the upper surface of the base plate (1), and the cylinder The sleeve (3) is sleeved on the inner side of the clamp (2), and the upper surface of the bottom plate (1) is located at one end away from the clamp (2) and is slidably connected with a rotating mechanism (4), and the rotating mechanism (4) is close to one end of the clamp (2) A grinding mechanism (5) is fixedly installed, one end of the grinding mechanism (5) away from the rotating mechanism (4) is sleeved inside the cylinder liner (3), and the upper surface of the bottom plate (1) is located on the clamp (2) and the rotating mechanism (4) A shrinking mechanism (6) is fixedly installed therebetween, one end of the shrinking mechanism (6) is fixedly connected with the rotating mechanism (4), and the other end of the shrinking mechanism (6) is fixedly connected with the clamp (2); The rotating mechanism (4) includes a support (7), the support (7) is fixedly installed on one end of the upper surface of the base plate (1) away from the clamp (2), and a motor (8) is fixedly sleeved inside the support (7). ), a square shaft (9) is fixedly connected to the output end of the motor (8), a limiting plate (10) is fixedly installed at one end of the square shaft (9) away from the motor (8), and the outer surface of the square shaft (9) is slidably connected with a A turning plate (11), the upper surface of the bottom plate (1) is located below the turning plate (11) and a slide rail (12) is fixedly installed, the turning plate (11) is slidably connected with the sliding rail (12), and the turning plate (11) is close to One side of the motor (8) is rotatably connected to the limit frame (13), the upper surface of the bottom plate (1) is provided with a narrow chute (14) on the outer side of the limit frame (13), and the limit frame (13) is slidably connected to the limit frame (13). Inside the narrow chute (14); A wide chute (15) is opened on the upper surface of the bottom plate (1) below the clamp (2), and the clamp (2) is slidably connected inside the wide chute (15); The grinding mechanism (5) includes two connecting frames (16), the two connecting frames (16) are fixedly mounted on the edge of the rotating plate (11) away from the motor (8), and the two connecting frames (16) are symmetrically arranged , a limiting frame (17) is fixedly installed on the inner side of one end of the two connecting frames (16) away from the turning plate (11). ) is internally slidingly connected to a limit block (19), the two limit blocks (19) are fixedly connected by a positioning block (20), and a compression spring (21) is fixedly installed at the bottom end of the positioning block (20). The compression spring (21) One end away from the positioning block (20) is fixedly connected to the inner bottom wall of the limit width (17), and the inner top wall of the limit frame (17) is threadedly connected with positioning bolts (22). A central rod (24) is rotatably connected in the middle; A fixing sleeve (25) is fixedly sleeved on the outer surface of the central rod (24) on the side close to the turning plate (11), and a guide groove (26) is formed on the outer surface of the fixing sleeve (25). A positioning plate (27) is provided on the side close to the limiting frame (17) inside, a support frame (28) is fixedly installed at the bottom end of the positioning plate (27), and one end of the support frame (28) away from the positioning plate (27) is connected to the bottom end of the positioning plate (27). The limit plate (10) is fixedly connected, one end of the center rod (24) away from the turning plate (11) extends to the inside of the cylinder liner (3), and the outer surface of one end of the center rod (24) away from the turning plate (11) is sleeved with a a friction sleeve (29), the friction sleeve (29) is slidingly connected with the center rod (24); The retracting mechanism (6) includes a gear (33), the gear (33) is rotatably connected to the upper surface of the bottom plate (1), and the gear (33) is located in the middle of the gear (33) and is rotatably connected to a motor (34), and the motor (34) ) is located above the gear (33), the motor (34) is fixedly connected with the bottom plate (1), and the left rack plate (35) and the right rack plate (36) are meshed with the left rack plate (35) and the right rack plate (36) on both sides of the gear (33). One end of the plate (35) away from the gear (33) is fixedly connected with the limit frame (13), and one end of the right rack plate (35) away from the gear (33) is fixedly connected with the clamp (2). 2 . The processing and grinding device for automobile cylinder liner according to claim 1 , wherein a tension spring ( 23 ) is fixedly installed on the upper end of the positioning block ( 20 ), and the tension spring ( 23 ) is sleeved on the upper end of the positioning block ( 20 ). 3 . Outer surface of set screw (22). 3 . The processing and grinding device for automobile cylinder liner according to claim 1 , wherein the center rod ( 24 ) is located on one side of the friction sleeve ( 29 ) close to the limit frame ( 17 ) and is fixedly connected with a spacer. 4 . The plate (30), the outer surface of one end of the central rod (24) away from the limiting frame (17) is provided with a threaded groove (31), and the outer surface of the threaded groove (31) is threadedly connected with a positioning bolt (32). 4. A processing and grinding device for automobile cylinder liner according to claim 3, characterized in that: the diameter of the partition plate (30) is smaller than the diameter of the friction sleeve (29), and the diameter of the positioning bolt (32) is smaller than that of the friction sleeve (29) diameter. 5 . The processing and grinding device for automobile cylinder liner according to claim 1 , wherein the outer surface of the motor ( 34 ) is fixedly sleeved with a connecting sleeve ( 37 ), and the bottom end of the connecting sleeve ( 37 ) has two bottom ends. 6 . A support rod (38) is fixedly installed on the side, the bottom end of the support rod (38) is fixedly connected with the bottom plate (1), and the support rod (38) is located between the left rack plate (35) and the right rack plate (36). 6 . The processing and grinding device for automobile cylinder liner according to claim 1 , wherein a T-ring groove ( 39 ) is opened on the side of the rotating plate ( 11 ) close to the motor ( 8 ). The T-ring The inner part of the groove (39) is rotatably connected with the half ring (40), and the limiting frame (13) is sleeved inside the T-ring groove (39) and is fixedly connected with the half ring (40).

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