Feeding mechanism for piston polishing

Abstract

The utility model discloses a feeding mechanism for piston polishing. The feeding mechanism solves the technical problem that feeding mechanisms on existing honing devices special for partial pistons are poor in operation stability. Comprising a mounting table, a sliding mechanism arranged on the mounting table and a rotating mechanism arranged on the sliding mechanism. The buffering device is simple in structure and convenient to use, on one hand, from starting of the linear motor, the second buffering telescopic pipe buffers thrust or tension of the linear motor after being pressed or pulled, and after the linear motor operates stably, the linear motor applies continuous and stable thrust or tension to the sliding block through the compressed or stretched second buffering telescopic pipe; the sliding block is stressed to slide stably and drives the rotating mechanism and the polishing rod to move synchronously and stably; and on the other hand, in the sliding process of the sliding block, the first buffer telescopic pipe buffers the movement of the sliding block, so that the sliding block moves slowly, the movement stability of the sliding block is improved, and then the overall movement stability of the feeding mechanism is improved.

Description

A feed mechanism for piston polishing Technical Field

[0001] This utility model belongs to the field of piston polishing technology, specifically relating to a feeding mechanism for piston polishing. Background Technology

[0002] Before being put into use, pistons need to undergo precision machining, namely polishing, to remove burrs or rough edges from the piston's inner bore. Currently, specialized polishing equipment is commonly used to polish pistons to improve polishing efficiency. In this specialized piston polishing equipment, a polishing rod, driven by a feed mechanism, reciprocates into the piston's inner bore to grind it. However, some specialized piston honing equipment suffers from technical problems such as poor smoothness of the feed mechanism's operation, which is detrimental to piston honing and reduces the quality of piston honing. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a feed mechanism for piston polishing, thereby solving the technical problem of poor operational stability of the feed mechanism in some existing piston honing devices.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A feed mechanism for piston polishing includes a polishing rod, a mounting table, a sliding mechanism mounted on the mounting table, and a rotating mechanism. The sliding mechanism includes a plurality of parallel sliding rods mounted on the mounting table, a buffer slider mounted on the sliding rods and capable of free movement along the length of the sliding rods and connected to the rotating mechanism, and a linear motor mounted on the mounting table and connected to the buffer slider to drive the buffer slider to slide on the sliding rods. The polishing rod is mounted on the rotating mechanism.

[0006] Furthermore, the buffer slider includes a slider that slides through the slide rod, a first buffer telescopic tube that is movably fitted onto the slide rod, one end of which is fixedly connected to the slide rod and the other end of which is fixedly connected to one end of the slider, and a second buffer telescopic tube that is movably fitted onto the slide rod, one end of which is fixedly connected to the linear motor drive end and the other end of which is fixedly connected to the other end of the slider; the rotating mechanism is connected to the slider.

[0007] Furthermore, a fixing plate is provided at one end of the first buffer telescopic tube, and a first set of holes adapted to the slide rod are opened on the fixing plate, and the slide rod is fixedly inserted into the first set of holes.

[0008] Furthermore, a connecting plate is provided on one end of the second buffer telescopic tube, and the linear motor drive end is fixedly connected to the connecting plate;

[0009] The connecting plate has a second set of holes that are adapted to the slide rod, and the slide rod is movably inserted into the second set of holes.

[0010] Furthermore, the rotating mechanism includes a mounting base mounted on the buffer slider, a rotating cylinder rotatably mounted on the mounting base for mounting the polishing rod, and a drive mechanism mounted on the mounting base and connected to the rotating cylinder for driving the rotating cylinder to rotate.

[0011] Furthermore, the drive mechanism includes a drive motor mounted on the mounting base, a first sprocket on the drive shaft of the drive motor, a second sprocket on the rotating drum, and a chain sleeved between the first sprocket and the second sprocket.

[0012] Furthermore, the rotating mechanism also includes a limiting mechanism, which includes a limiting seat mounted on the buffer slider and a limiting rotating rod disposed on the rotating drum; the limiting seat is provided with a limiting seat blind hole adapted to the limiting rotating rod, the limiting seat is provided with a limiting cavity communicating with the limiting seat blind hole, the limiting rotating rod is provided with a limiting block adapted to the limiting cavity, the limiting rotating rod is movably inserted into the limiting seat blind hole and the limiting block is movably accommodated in the limiting cavity.

[0013] Furthermore, the slider is provided with a mounting plate, and the mounting seat and the limiting seat are respectively mounted on the mounting plate; the mounting seat is provided with a fixing frame, the fixing frame is provided with a protective box, the drive motor is mounted on the fixing frame, the protective box is provided with a clearance slot communicating with its inner cavity, the side wall of the protective box is provided with a chain clearance through hole and a drive shaft clearance through hole, the drive shaft of the drive motor passes through the drive shaft clearance through hole and extends into the protective box, the first sprocket is located in the protective box, the second sprocket is located in the clearance slot, and the chain passes through the chain clearance through hole and meshes between the first sprocket and the second sprocket.

[0014] Furthermore, the rotating drum is provided with a polishing rod clamping mechanism for clamping the polishing rod. The polishing rod clamping mechanism includes a base threadedly connected to the rotating drum and a clamping block detachably connected to the base. A clamping cavity is formed between the clamping block and the base. The clamping block is provided with a first through hole and a second through hole that are interconnected and adapted to the polishing rod. The first through hole is connected to the clamping cavity. The polishing rod is provided with a fixing block adapted to the clamping cavity. The polishing rod passes through the first through hole and the second through hole, and the fixing block is fixed in the clamping cavity.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] This utility model has a simple structure, a scientific and reasonable design, and is easy to use. On the one hand, from the start of the linear motor, the second buffer telescopic tube buffers the thrust or pull of the linear motor after being compressed or stretched until the linear motor runs smoothly. Then, the linear motor applies a continuous and stable thrust or pull to the slider through the compressed or stretched second buffer telescopic tube. The slider slides smoothly under the force, and the slider drives the rotating mechanism and the polishing rod to move synchronously and smoothly. On the other hand, during the sliding process of the slider, the first buffer telescopic tube buffers the movement of the slider, so that the slider moves slowly, which improves the smoothness of the slider movement and thus improves the overall smoothness of the feeding mechanism. Attached Figure Description

[0017] Figure 1 is a schematic diagram of the structure of this utility model.

[0018] Figure 2 is a top view of the present invention.

[0019] Figure 3 is a front view of the mounting base and the limiting base on the mounting plate.

[0020] Figure 4 shows the cross-sectional view of the fixed plate.

[0021] Figure 5 shows the cross-sectional view of the connecting plate.

[0022] Figure 6 shows the cross-sectional view of the slider.

[0023] Figure 7 shows a side view of the protective box.

[0024] Figure 8 is a vertical cross-sectional view of the protective box.

[0025] Figure 9 is a cross-sectional view of the protective box.

[0026] Figure 10 is a schematic diagram of the limit lever inside the limit seat.

[0027] Figure 11 is a cross-sectional view of the limiting seat.

[0028] Figure 12 shows the cross-sectional view of the rotating drum.

[0029] Figure 13 is a schematic diagram of the connection between the base and the polishing rod.

[0030] Figure 14 is a cross-sectional view of the mounting base.

[0031] Figure 15 shows the positional relationship between the linear motor and the slide bar on the mounting platform.

[0032] The names corresponding to the reference numerals in the attached figures are as follows:

[0033] 1-Mounting platform, 2-Slide rod, 3-Buffer slider, 4-Linear motor, 5-First buffer telescopic tube, 6-Second buffer telescopic tube, 7-Polishing rod, 8-Slider, 9-Fixing plate, 10-First socket, 11-Connecting plate, 12-Second socket, 13-Mounting plate, 14-Mounting base, 15-Limiting base, 16-Rotating drum, 17-Limiting rotating rod, 9-Drive motor, 20-First sprocket, 21-Second sprocket 22-Chain, 23-Fixed bracket, 24-Protective box, 25-Leaning slot, 27-Chain leaving through hole, 28-Drive shaft leaving through hole, 29-Threaded blind hole, 30-Base, 32-Clamping block, 33-Clamping cavity, 34-First through hole, 35-Second through hole, 36-Fixed block, 37-Sliding through hole, 38-Limit seat blind hole, 39-Limit cavity, 40-Limit block, 50-Mounting through hole. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0035] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; of course, they can also refer to a mechanical connection or an electrical connection; furthermore, they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] Example 1

[0038] As shown in Figures 1-15, the present invention provides a feed mechanism for piston polishing, including a polishing rod 7. The mechanism is characterized by further including a mounting platform 1, a sliding mechanism disposed on the mounting platform 1, and a rotating mechanism. The sliding mechanism includes several parallel sliding rods 2 disposed on the mounting platform 1, a buffer slider 3 disposed on the sliding rods 2 and capable of free movement along the length of the sliding rods 2 and connected to the rotating mechanism, and a linear motor 4 disposed on the mounting platform 1 and connected to the buffer slider 3 to drive the buffer slider 3 to slide on the sliding rods 2. The polishing rod 7 is disposed on the rotating mechanism.

[0039] This utility model has a simple structure, a scientific and reasonable design, and is easy to use. On the one hand, from the start of the linear motor, the second buffer telescopic tube buffers the thrust or pull of the linear motor after being compressed or stretched until the linear motor runs smoothly. Then, the linear motor applies a continuous and stable thrust or pull to the slider through the compressed or stretched second buffer telescopic tube. The slider slides smoothly under the force, and the slider drives the rotating mechanism and the polishing rod to move synchronously and smoothly. On the other hand, during the sliding process of the slider, the first buffer telescopic tube buffers the movement of the slider, so that the slider moves slowly, which improves the smoothness of the slider movement and thus improves the overall smoothness of the feeding mechanism.

[0040] Example 2

[0041] As shown in Figures 1-15, the present invention provides a feed mechanism for piston polishing, including a polishing rod 7. The mechanism is characterized by further including a mounting platform 1, a sliding mechanism disposed on the mounting platform 1, and a rotating mechanism. The sliding mechanism includes several parallel sliding rods 2 disposed on the mounting platform 1, a buffer slider 3 disposed on the sliding rods 2 and capable of free movement along the length of the sliding rods 2 and connected to the rotating mechanism, and a linear motor 4 disposed on the mounting platform 1 and connected to the buffer slider 3 to drive the buffer slider 3 to slide on the sliding rods 2. The polishing rod 7 is disposed on the rotating mechanism.

[0042] The buffer slider 3 includes a slider 8 that slides through the slider 2, a first buffer telescopic tube 5 that is movably mounted on the slider 2, one end of which is fixedly connected to the slider 2 and the other end of which is fixedly connected to one end of the slider 8, and a second buffer telescopic tube 6 that is movably mounted on the slider 2, one end of which is fixedly connected to the drive end of the linear motor 4 and the other end of which is fixedly connected to the other end of the slider 8; the rotating mechanism is connected to the slider 8.

[0043] In this embodiment 2, the slider 8 is located between the first buffer telescopic tube 5 and the second buffer telescopic tube 6. The second buffer telescopic tube 6 is used to buffer the thrust or pull of the linear motor during the process from startup to stable operation. After the linear motor is running smoothly, the linear motor applies a continuous and stable thrust or pull to the slider through the second buffer telescopic tube 6, which is compressed by being pushed or extended by being pulled. The first buffer telescopic tube 5 is used to buffer the movement of the slider during the sliding process, improving the smoothness of the slider's movement, thereby improving the overall motion smoothness of the feeding mechanism.

[0044] Example 3

[0045] As shown in Figures 1-15, the present invention provides a feed mechanism for piston polishing, including a polishing rod 7. The mechanism is characterized by further including a mounting platform 1, a sliding mechanism disposed on the mounting platform 1, and a rotating mechanism. The sliding mechanism includes several parallel sliding rods 2 disposed on the mounting platform 1, a buffer slider 3 disposed on the sliding rods 2 and capable of free movement along the length of the sliding rods 2 and connected to the rotating mechanism, and a linear motor 4 disposed on the mounting platform 1 and connected to the buffer slider 3 to drive the buffer slider 3 to slide on the sliding rods 2. The polishing rod 7 is disposed on the rotating mechanism.

[0046] The buffer slider 3 includes a slider 8 that slides through the slider 2, a first buffer telescopic tube 5 that is movably mounted on the slider 2, one end of which is fixedly connected to the slider 2 and the other end of which is fixedly connected to one end of the slider 8, and a second buffer telescopic tube 6 that is movably mounted on the slider 2, one end of which is fixedly connected to the drive end of the linear motor 4 and the other end of which is fixedly connected to the other end of the slider 8; the rotating mechanism is connected to the slider 8.

[0047] A fixing plate 9 is provided on one end of the first buffer telescopic tube 5. A first sleeve hole 10 adapted to the slide rod 2 is opened on the fixing plate 9, and the slide rod 2 is fixedly inserted into the first sleeve hole 10.

[0048] In this embodiment 3, the slider 8 has a sliding through hole 37 that matches the slider 2 along its length, and the slider 2 is movably inserted into the sliding through hole 37.

[0049] Example 4

[0050] As shown in Figures 1-15, the present invention provides a feed mechanism for piston polishing, including a polishing rod 7. The mechanism is characterized by further including a mounting platform 1, a sliding mechanism disposed on the mounting platform 1, and a rotating mechanism. The sliding mechanism includes several parallel sliding rods 2 disposed on the mounting platform 1, a buffer slider 3 disposed on the sliding rods 2 and capable of free movement along the length of the sliding rods 2 and connected to the rotating mechanism, and a linear motor 4 disposed on the mounting platform 1 and connected to the buffer slider 3 to drive the buffer slider 3 to slide on the sliding rods 2. The polishing rod 7 is disposed on the rotating mechanism.

[0051] The buffer slider 3 includes a slider 8 that slides through the slider 2, a first buffer telescopic tube 5 that is movably mounted on the slider 2, one end of which is fixedly connected to the slider 2 and the other end of which is fixedly connected to one end of the slider 8, and a second buffer telescopic tube 6 that is movably mounted on the slider 2, one end of which is fixedly connected to the drive end of the linear motor 4 and the other end of which is fixedly connected to the other end of the slider 8; the rotating mechanism is connected to the slider 8.

[0052] The second buffer telescopic tube 6 has a connecting plate 11 at one end, and the driving end of the linear motor 4 is fixedly connected to the connecting plate 11; the connecting plate 11 has a second sleeve hole 12 that matches the slide rod 2, and the slide rod 2 is movably inserted into the second sleeve hole 12.

[0053] In this embodiment 4, the connecting plate 11 can slide on the slide bar 2 under the drive of the linear motor 4.

[0054] Example 5

[0055] As shown in Figures 1-15, the present invention provides a feed mechanism for piston polishing, including a polishing rod 7. The mechanism is characterized by further including a mounting platform 1, a sliding mechanism disposed on the mounting platform 1, and a rotating mechanism. The sliding mechanism includes several parallel sliding rods 2 disposed on the mounting platform 1, a buffer slider 3 disposed on the sliding rods 2 and capable of free movement along the length of the sliding rods 2 and connected to the rotating mechanism, and a linear motor 4 disposed on the mounting platform 1 and connected to the buffer slider 3 to drive the buffer slider 3 to slide on the sliding rods 2. The polishing rod 7 is disposed on the rotating mechanism.

[0056] The rotating mechanism includes a mounting base 14 mounted on the buffer slider 3, a rotating cylinder 16 rotatably mounted on the mounting base 14 for mounting the polishing rod 7, and a drive mechanism mounted on the mounting base 14 and connected to the rotating cylinder 16 for driving the rotating cylinder 16 to rotate.

[0057] In this embodiment 5, while the buffer slider 3 drives the rotating mechanism to move linearly, the drive mechanism on the rotating mechanism drives the rotating cylinder 16 to rotate. The rotating cylinder 16 drives the polishing rod to rotate synchronously. Thus, the polishing rod 7 rotates forward or backward. In actual use, the polishing rod 7 polishes the piston during the process of rotating forward or rotating backward.

[0058] The mounting base 14 has a mounting through hole 50, and the rotating cylinder 16 passes through the mounting through hole 50.

[0059] Example 6

[0060] As shown in Figures 1-15, the present invention provides a feed mechanism for piston polishing, including a polishing rod 7. The mechanism is characterized by further including a mounting platform 1, a sliding mechanism disposed on the mounting platform 1, and a rotating mechanism. The sliding mechanism includes several parallel sliding rods 2 disposed on the mounting platform 1, a buffer slider 3 disposed on the sliding rods 2 and capable of free movement along the length of the sliding rods 2 and connected to the rotating mechanism, and a linear motor 4 disposed on the mounting platform 1 and connected to the buffer slider 3 to drive the buffer slider 3 to slide on the sliding rods 2. The polishing rod 7 is disposed on the rotating mechanism.

[0061] The rotating mechanism includes a mounting base 14 mounted on the buffer slider 3, a rotating cylinder 16 rotatably mounted on the mounting base 14 for mounting the polishing rod 7, and a drive mechanism mounted on the mounting base 14 and connected to the rotating cylinder 16 for driving the rotating cylinder 16 to rotate.

[0062] The drive mechanism includes a drive motor 19 mounted on the mounting base 14, a first sprocket 20 disposed on the drive shaft of the drive motor 19, a second sprocket 21 disposed on the rotating drum 16, and a chain 22 sleeved between the first sprocket 20 and the second sprocket 21.

[0063] In this embodiment 6, the drive motor 19 is a three-phase induction motor. The principle of the drive motor 19 driving the polishing rod 7 to rotate is as follows: when the drive motor 19 starts, the drive shaft of the drive motor 19 drives the first sprocket 20 to rotate, the first sprocket 20 drives the chain 22 to move, the chain 22 drives the second sprocket 21 to rotate, the second sprocket 21 drives the rotating drum 16 to rotate, and the rotating drum 16 drives the polishing rod 7 to rotate synchronously.

[0064] Example 7

[0065] As shown in Figures 1-15, the present invention provides a feed mechanism for piston polishing, including a polishing rod 7. The mechanism is characterized by further including a mounting platform 1, a sliding mechanism disposed on the mounting platform 1, and a rotating mechanism. The sliding mechanism includes several parallel sliding rods 2 disposed on the mounting platform 1, a buffer slider 3 disposed on the sliding rods 2 and capable of free movement along the length of the sliding rods 2 and connected to the rotating mechanism, and a linear motor 4 disposed on the mounting platform 1 and connected to the buffer slider 3 to drive the buffer slider 3 to slide on the sliding rods 2. The polishing rod 7 is disposed on the rotating mechanism.

[0066] The rotating mechanism includes a mounting base 14 mounted on the buffer slider 3, a rotating cylinder 16 rotatably mounted on the mounting base 14 for mounting the polishing rod 7, and a drive mechanism mounted on the mounting base 14 and connected to the rotating cylinder 16 for driving the rotating cylinder 16 to rotate.

[0067] The drive mechanism includes a drive motor 19 mounted on the mounting base 14, a first sprocket 20 disposed on the drive shaft of the drive motor 19, a second sprocket 21 disposed on the rotating drum 16, and a chain 22 sleeved between the first sprocket 20 and the second sprocket 21.

[0068] The rotating mechanism also includes a limiting mechanism, which includes a limiting seat 15 mounted on the buffer slider 3 and a limiting rotating rod 17 provided on the rotating cylinder 16. The limiting seat 15 is provided with a limiting seat blind hole 38 adapted to the limiting rotating rod 17. The limiting seat 15 is provided with a limiting cavity 39 communicating with the limiting seat blind hole 38. The limiting rotating rod 17 is provided with a limiting block 40 adapted to the limiting cavity 39. The limiting rotating rod 17 is movably inserted into the limiting seat blind hole 38 and the limiting block 40 is movably accommodated in the limiting cavity 39.

[0069] In this embodiment 7, one end of the limiting rotating rod 17 is rotatably limited within the limiting seat 15, while the other end of the limiting rotating rod 17 is fixedly connected to the rotating drum 16. The second sprocket 21 is mounted on the limiting rotating rod 17, and the drive motor 19 drives the second sprocket 21 to rotate. The second sprocket 21 drives the limiting rotating rod 17 to rotate, and the limiting rotating rod 17 drives the rotating drum 16 to rotate synchronously. In this way, the limiting rotating rod 17 can limit the rotation of the rotating drum 16 without affecting its rotation, thus preventing the rotating drum 16 from deviating during rotation.

[0070] Example 8

[0071] As shown in Figures 1-15, the present invention provides a feed mechanism for piston polishing, including a polishing rod 7. The mechanism is characterized by further including a mounting platform 1, a sliding mechanism disposed on the mounting platform 1, and a rotating mechanism. The sliding mechanism includes several parallel sliding rods 2 disposed on the mounting platform 1, a buffer slider 3 disposed on the sliding rods 2 and capable of free movement along the length of the sliding rods 2 and connected to the rotating mechanism, and a linear motor 4 disposed on the mounting platform 1 and connected to the buffer slider 3 to drive the buffer slider 3 to slide on the sliding rods 2. The polishing rod 7 is disposed on the rotating mechanism.

[0072] The rotating mechanism includes a mounting base 14 mounted on the buffer slider 3, a rotating cylinder 16 rotatably mounted on the mounting base 14 for mounting the polishing rod 7, and a drive mechanism mounted on the mounting base 14 and connected to the rotating cylinder 16 for driving the rotating cylinder 16 to rotate.

[0073] The drive mechanism includes a drive motor 19 mounted on the mounting base 14, a first sprocket 20 disposed on the drive shaft of the drive motor 19, a second sprocket 21 disposed on the rotating drum 16, and a chain 22 sleeved between the first sprocket 20 and the second sprocket 21.

[0074] The rotating mechanism also includes a limiting mechanism, which includes a limiting seat 15 mounted on the buffer slider 3 and a limiting rotating rod 17 provided on the rotating cylinder 16. The limiting seat 15 is provided with a limiting seat blind hole 38 adapted to the limiting rotating rod 17. The limiting seat 15 is provided with a limiting cavity 39 communicating with the limiting seat blind hole 38. The limiting rotating rod 17 is provided with a limiting block 40 adapted to the limiting cavity 39. The limiting rotating rod 17 is movably inserted into the limiting seat blind hole 38 and the limiting block 40 is movably accommodated in the limiting cavity 39.

[0075] The slider 8 is provided with a mounting plate 13, and the mounting seat 14 and the limiting seat 15 are respectively mounted on the mounting plate 13. The mounting seat 14 is provided with a fixing frame 23, and the fixing frame 23 is provided with a protective box 24. The drive motor 19 is mounted on the fixing frame 23. The protective box 24 is provided with a clearance slot 25 that communicates with its inner cavity. The side wall of the protective box 24 is provided with a chain clearance through hole 27 and a drive shaft clearance through hole 28. The drive shaft of the drive motor 19 passes through the drive shaft clearance through hole 28 and extends into the protective box 24. The first sprocket 20 is located in the protective box 24, the second sprocket 21 is located in the clearance slot 25, and the chain 22 passes through the chain clearance through hole 27 and is engaged between the first sprocket 20 and the second sprocket 21.

[0076] In this embodiment 8, the protective box 24 is used to protect the moving first sprocket 20, second sprocket 21 and chain 22 to prevent personnel from being accidentally injured.

[0077] Example 9

[0078] As shown in Figures 1-15, the present invention provides a feed mechanism for piston polishing, including a polishing rod 7. The mechanism is characterized by further including a mounting platform 1, a sliding mechanism disposed on the mounting platform 1, and a rotating mechanism. The sliding mechanism includes several parallel sliding rods 2 disposed on the mounting platform 1, a buffer slider 3 disposed on the sliding rods 2 and capable of free movement along the length of the sliding rods 2 and connected to the rotating mechanism, and a linear motor 4 disposed on the mounting platform 1 and connected to the buffer slider 3 to drive the buffer slider 3 to slide on the sliding rods 2. The polishing rod 7 is disposed on the rotating mechanism.

[0079] The rotating mechanism includes a mounting base 14 mounted on the buffer slider 3, a rotating cylinder 16 rotatably mounted on the mounting base 14 for mounting the polishing rod 7, and a drive mechanism mounted on the mounting base 14 and connected to the rotating cylinder 16 for driving the rotating cylinder 16 to rotate.

[0080] The rotating drum 16 is provided with a polishing rod clamping mechanism for clamping the polishing rod 7. The polishing rod clamping mechanism includes a base 30 threadedly connected to the rotating drum 16 and a clamping block 32 detachably connected to the base 30. A clamping cavity 33 is formed between the clamping block 32 and the base 30. The clamping block 32 is provided with a first through hole 34 and a second through hole 35 that are interconnected and adapted to the polishing rod 7. The first through hole 34 is connected to the clamping cavity 33. The polishing rod 7 is provided with a fixing block 36 adapted to the clamping cavity 33. The polishing rod 7 passes through the first through hole 34 and the second through hole 35, and the fixing block 36 is fixed in the clamping cavity 33.

[0081] In this embodiment 9, the clamping block 32 is detachably connected to the base 30 by bolts, and the polishing rod 7 is fixed to the clamping block 32 by the fixing block 36, which limits its position between the base 30 and the clamping block 32. The connection between the polishing rod 7 and the clamping block 32 is detachable, thus facilitating the replacement of worn polishing rod 7 later.

[0082] The linear motor 4 and drive motor 19 used in this utility model are both existing known electrical devices and can be purchased and used directly on the market. The structure, circuit and control principle of the linear motor 4 and drive motor 19 are all existing known technologies. Therefore, the structure, circuit and control principle of the linear motor 4 and drive motor 19 will not be described in detail here.

[0083] Finally, it should be noted that the above embodiments are merely preferred embodiments of this utility model used to illustrate the technical solutions of this utility model, and are not intended to limit it, nor are they intended to limit the patent scope of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model. That is to say, any changes or refinements made to the main design concept and spirit of this utility model that are not of substantial significance, but whose technical problems are still consistent with those of this utility model, should be included within the protection scope of this utility model. In addition, the direct or indirect application of the technical solutions of this utility model to other related technical fields are similarly included within the patent protection scope of this utility model.

Claims

1. A feed mechanism for piston polishing, comprising a polishing rod (7), characterized in that, It also includes a mounting platform (1), a sliding mechanism on the mounting platform (1), and a rotating mechanism; the sliding mechanism includes several sliding rods (2) on the mounting platform (1) and distributed parallel to each other, a buffer slider (3) on the sliding rods (2) and able to move freely along the length of the sliding rods (2) and connected to the rotating mechanism, and a linear motor (4) on the mounting platform (1) and connected to the buffer slider (3) to drive the buffer slider (3) to slide on the sliding rods (2); the polishing rod (7) is on the rotating mechanism.

2. The feed mechanism for piston polishing according to claim 1, characterized in that, The buffer slider (3) includes a slider (8) that slides through the slider (2), a first buffer telescopic tube (5) that is movably mounted on the slider (2), one end of which is fixedly connected to the slider (2) and the other end of which is fixedly connected to one end of the slider (8), and a second buffer telescopic tube (6) that is movably mounted on the slider (2), one end of which is fixedly connected to the drive end of the linear motor (4) and the other end of which is fixedly connected to the other end of the slider (8); the rotating mechanism is connected to the slider (8).

3. The feed mechanism for piston polishing according to claim 2, characterized in that, The first buffer telescopic tube (5) has a fixing plate (9) at one end. The fixing plate (9) has a first sleeve hole (10) that matches the slide rod (2). The slide rod (2) is fixedly inserted into the first sleeve hole (10).

4. The feed mechanism for piston polishing according to claim 2, characterized in that, The second buffer telescopic tube (6) has a connecting plate (11) at one end, and the driving end of the linear motor (4) is fixedly connected to the connecting plate (11); the connecting plate (11) has a second sleeve hole (12) that is compatible with the slide rod (2), and the slide rod (2) is movably inserted into the second sleeve hole (12).

5. The feed mechanism for piston polishing according to claim 1, characterized in that, The rotating mechanism includes a mounting base (14) mounted on the buffer slider (3), a rotating cylinder (16) rotatably mounted on the mounting base (14) for mounting the polishing rod (7), and a drive mechanism mounted on the mounting base (14) and connected to the rotating cylinder (16) for driving the rotating cylinder (16) to rotate.

6. The feed mechanism for piston polishing according to claim 5, characterized in that, The drive mechanism includes a drive motor (19) mounted on the mounting base (14), a first sprocket (20) on the drive shaft of the drive motor (19), a second sprocket (21) on the rotating drum (16), and a chain (22) sleeved between the first sprocket (20) and the second sprocket (21).

7. A feed mechanism for piston polishing according to claim 6, characterized in that, The rotating mechanism also includes a limiting mechanism, which includes a limiting seat (15) mounted on the buffer slider (3) and a limiting rotating rod (17) provided on the rotating cylinder (16). The limiting seat (15) is provided with a limiting seat blind hole (38) adapted to the limiting rotating rod (17). The limiting seat (15) is provided with a limiting cavity (39) connected to the limiting seat blind hole (38). The limiting rotating rod (17) is provided with a limiting block (40) adapted to the limiting cavity (39). The limiting rotating rod (17) is movably inserted into the limiting seat blind hole (38) and the limiting block (40) is movably accommodated in the limiting cavity (39).

8. A feed mechanism for piston polishing according to claim 7, characterized in that, The slider (8) is provided with a mounting plate (13), and the mounting seat (14) and the limiting seat (15) are respectively mounted on the mounting plate (13); the mounting seat (14) is provided with a fixing frame (23), the fixing frame (23) is provided with a protective box (24), the drive motor (19) is mounted on the fixing frame (23), the protective box (24) is provided with a clearance slot (25) communicating with its inner cavity, the protective box (24) is provided with a chain clearance through hole (27) and a drive shaft clearance through hole (28) on the side wall, the drive shaft of the drive motor (19) passes through the drive shaft clearance through hole (28) and extends into the protective box (24), the first sprocket (20) is located in the protective box (24), the second sprocket (21) is located in the clearance slot (25), and the chain (22) passes through the chain clearance through hole (27) and meshes between the first sprocket (20) and the second sprocket (21).

9. A feed mechanism for piston polishing according to claim 5, characterized in that, The rotating drum (16) is provided with a polishing rod clamping mechanism for clamping the polishing rod (7). The polishing rod clamping mechanism includes a base (30) threadedly connected to the rotating drum (16) and a clamping block (32) detachably connected to the base (30). A clamping cavity (33) is formed between the clamping block (32) and the base (30). The clamping block (32) is provided with a first through hole (34) and a second through hole (35) that are interconnected and adapted to the polishing rod (7). The first through hole (34) is connected to the clamping cavity (33). The polishing rod (7) is provided with a fixing block (36) adapted to the clamping cavity (33). The polishing rod (7) passes through the first through hole (34) and the second through hole (35). The fixing block (36) is fixed in the clamping cavity (33).

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