Machining device for deep oil hole of connecting rod of marine medium-speed diesel engine

Abstract

The invention discloses a machining device for a deep oil hole of a connecting rod of a marine medium-speed diesel engine, and relates to the technical field of mechanical manufacturing, the machining device comprises a workbench, a vertical frame is arranged on one side of the top end of the workbench, and an electric push rod is installed at the top end of the vertical frame. Rotation of the rotating disc is achieved through the switching mechanism, so that automatic switching of the positions of the containing grooves is achieved, meanwhile, the positioning mechanism is driven in cooperation with rotation of the rotating disc to achieve multi-directional rapid and stable clamping and positioning of the connecting rod, clamping and positioning of the connecting rod are automatically relieved after tapping is completed, and therefore automatic discharging is achieved; compared with the prior art, the machine tool has the advantages that the shutdown time of traditional manual clamping, discharging and transposition is shortened, the continuous machining process is achieved, the production efficiency is improved, meanwhile, manual intervention is reduced, the yield is improved, the error risk caused by manual operation is reduced through automatic clamping, discharging and switching, in addition, the clamping, machining and discharging steps are continuously carried out, and the overall machining period is greatly shortened.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical manufacturing, and particularly to a processing device for deep oil holes of connecting rods of marine medium-speed diesel engines. Background Technique

[0002] Among the key components of marine medium-speed diesel engines, the connecting rod, as the core transmission part connecting the piston and the crankshaft, its structural reliability directly affects the overall performance of the engine. The connecting rod includes a small end for connecting with the piston head, a large end for connecting with the crankshaft, and a rod body connecting the small end and the large end. In order to introduce lubricating oil into the piston head for cooling and lubricating the piston head, a processing device is used to provide two oil holes on the small end.

[0003] Currently, when the existing processing device for deep oil holes of connecting rods of marine medium-speed diesel engines is in use, the operator intervenes to complete the positioning and clamping of the connecting rod on the fixture. After each processing is completed, it is necessary to stop the machine to disassemble the connecting rod and replace it with a new one. However, the frequent part replacement operation prolongs the single-piece processing cycle, seriously affecting the batch production efficiency. Moreover, the fatigue factor of the operator is likely to cause accidents such as missed clamping or over-clamping, resulting in an increase in the scrap rate of workpieces. In addition, it is impossible to continuously perform clamping - processing - blanking, resulting in a longer overall processing cycle. Summary of the Invention

[0004] The purpose of the present invention is to provide a processing device for deep oil holes of connecting rods of marine medium-speed diesel engines to solve the technical problems raised in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A processing device for deep oil holes of connecting rods of marine medium-speed diesel engines, including a workbench. On one side of the top of the workbench, there is an upright frame. At the top of the upright frame, an electric push rod is installed, and at the end of the electric push rod away from the upright frame, a hole-opening mechanism is installed. On one side of the bottom of the workbench, there is a box body;

[0006] On one side of the top of the workbench and above the hole-opening mechanism, there is a switching mechanism. The switching mechanism includes a front frame and a rear frame welded to the top of the workbench. The front frame is located in front of the rear frame, and a rotating disk is movably connected between the front frame and the rear frame;

[0007] The interior of the rotating disk is provided with placement grooves at equal angles, and the interior of the rotating disk is symmetrically provided with movable grooves with respect to the central axis of the placement grooves. A positioning mechanism is disposed through the interior of the rotating disk. The positioning mechanism includes a push plate welded to the front frame and the rear frame and a push frame slidably connected to the rotating disk. One end of the push frame extending into the placement groove is connected to positioning plate A, and a toothed plate frame is welded to one side of the positioning plate A. A rotating rod is connected to the interior of the movable groove through a bearing, and a displacement frame is movably connected to the surface of the rotating rod. One side of the displacement frame extending into the placement groove is connected to positioning plate B.

[0008] Preferably, a motor is installed at the front end of the front frame, and the motor is used to drive the rotating disk to rotate. The output end of the motor is connected to a support shaft welded to the rotating disk through a coupling, and the support shaft is used to support the rotating disk. One end of the support shaft away from the front frame is rotatably connected to the rear frame through a bearing.

[0009] Preferably, limiting blocks A are arranged at equal angles at both the front and rear ends of the rotating disk, and annular grooves are formed at the ends of the front frame and the rear frame close to each other and are configured to form a sliding structure with the limiting blocks A.

[0010] Preferably, the push plate includes an arc-shaped plate and inclined blocks symmetrically arranged at both ends of the arc-shaped plate, and the push plate is used to make the push frame move horizontally back and forth.

[0011] Preferably, a support spring is connected between the push frame and the rotating disk, and one end of the push frame close to the push plate is arranged in a hemispherical structure.

[0012] Preferably, a gear meshingly connected to the toothed plate frame is arranged at one end of the rotating rod away from the positioning plate B.

[0013] Preferably, a limiting groove is formed on the inner surface of the movable groove, a limiting block B is arranged on one side of the toothed plate frame close to the limiting groove, and the toothed plate frame and the movable groove form a sliding structure through the limiting groove and the limiting block B.

[0014] Preferably, a guiding block is arranged on the inner side of the displacement frame, and a guiding groove configured to form a sliding structure with the guiding block is formed on the surface of the rotating rod.

[0015] Preferably, a support plate is arranged on the inner side of the placement groove, and the support plate is arranged in an arc-shaped structure.

[0016] Preferably, a collection box is arranged on the inner side of the box body, and the collection box is used to centrally collect the processed connecting rods. A blanking groove is formed at the top of the workbench on one side of the vertical frame, and the blanking groove is used to make the sliding connecting rods fall into the collection box. A guide plate extending into the blanking groove is welded between the front frame and the rear frame, and the guide plate is inclined and is used to guide the connecting rods.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] The processing device for the deep oil hole of the connecting rod of the marine medium-speed diesel engine realizes the rotation of the rotating disk through the switching mechanism, so as to realize the automatic switching of the placement groove position. At the same time, in cooperation with the rotation of the rotating disk, the positioning mechanism is driven to realize the multi-directional, fast and stable clamping and positioning of the connecting rod. Moreover, through the meshing of the gear and the toothed plate frame and the sliding cooperation with the guiding groove, the synchronous linkage of the positioning plate A and the positioning plate B is realized, ensuring the uniform distribution of the four-direction clamping force of the connecting rod, reducing the risk of eccentric load deformation. In cooperation with the rotation of the rotating disk, the clamping and positioning of the connecting rod can be automatically released after the hole opening is completed, so as to realize automatic blanking, reducing the downtime of traditional manual clamping, blanking and position changing, realizing a continuous processing process, improving production efficiency, reducing manual intervention at the same time, improving the qualified product rate, and the automatic clamping, blanking and switching reducing the risk of errors caused by manual operation. By making the clamping, processing and blanking steps continuous, there is no need to stop the machine, greatly shortening the overall processing cycle. In addition, by driving the operation of the positioning mechanism through the operation of the switching mechanism, the use of driving parts can be reduced, the equipment cost can be reduced, and the energy consumption can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional sectional structure schematic diagram of the present invention;

[0020] Figure 2 for the present invention Figure 1 is an enlarged structure schematic diagram at A in;

[0021] Figure 3 is a three-dimensional structure schematic diagram of the first perspective of the present invention;

[0022] Figure 4 is a three-dimensional structure schematic diagram of the second perspective of the present invention;

[0023] Figure 5 is a three-dimensional structure schematic diagram of the vertical frame and the hole opening mechanism of the present invention;

[0024] Figure 6 is a three-dimensional exploded view of the front frame and the rear frame of the present invention;

[0025] Figure 7 is a three-dimensional sectional structure schematic diagram of the rotating disk of the present invention;

[0026] Figure 8 is a three-dimensional structure schematic diagram of the present invention in the released state of the positioning mechanism;

[0027] Figure 9 is a three-dimensional structure schematic diagram of the present invention in the clamped state of the positioning mechanism;

[0028] Figure 10 is a three-dimensional exploded view of the displacement frame and the rotating rod of the present invention;

[0029] Figure 11 This is a three-dimensional structural schematic diagram of the pusher frame and the push plate of the present invention;

[0030] Figure 12 This is a front view sectional structural schematic diagram of the present invention;

[0031] Figure 13 This is a top view structural schematic diagram of the present invention.

[0032] In the figure: 1, workbench; 2, switching mechanism; 201, front frame; 202, rear frame; 203, rotating disk; 204, motor; 205, support shaft; 3, placement groove; 4, positioning mechanism; 401, push plate; 402, pusher frame; 403, support spring; 404, positioning plate A; 405, toothed plate frame; 406, gear; 407, rotating rod; 408, displacement frame; 409, guide block; 410, guide groove; 411, positioning plate B; 5, material guiding plate; 6, blanking groove; 7, collection box; 8, vertical frame; 9, electric push rod; 10, hole-opening mechanism; 11, box body; 12, supporting plate; 13, annular groove; 14, limiting block A; 15, limiting groove; 16, limiting block B; 17, movable groove. Detailed implementation manners

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with 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, rather than all 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.

[0034] Please refer to Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 12 and Figure 13 , the present invention provides a technical solution: a processing device for deep oil holes of connecting rods of marine medium-speed diesel engines, including a workbench 1, a vertical frame 8 is arranged on one side of the top end of the workbench 1, and a guiding frame is arranged on one side of the vertical frame 8. An electric push rod 9 is installed at the top end of the vertical frame 8, and a hole-opening mechanism 10 is installed at the end of the electric push rod 9 away from the vertical frame 8. The hole-opening mechanism 10 includes a mounting frame connected to the top end of the electric push rod 9, a driving motor installed in the mounting frame, and a drill rod connected to the output end of the driving motor by screws. A box body 11 is arranged on one side of the bottom end of the workbench 1.

[0035] When the rotary disk 203 stops rotating when switching the connecting rod to the position for opening the deep oil hole, the electric push rod 9 and the driving motor are started at this time, so that the electric push rod 9 pushes the drill rod to move towards the connecting rod. At the same time, the output end of the driving motor drives the drill rod to rotate and operates on the connecting rod to open the deep oil hole. During this process, the drill rod is guided by the guide frame, so that the deflection of the drill rod during the operation of opening the deep oil hole can be prevented.

[0036] In Figures 1-4 and Figure 6 、 Figure 7 、 Figure 12 、 Figure 13 In: On one side of the top end of the workbench 1 above the opening mechanism 10, a switching mechanism 2 is arranged. The switching mechanism 2 includes a front frame 201 and a rear frame 202 welded to the top end of the workbench 1. The front frame 201 is located at the front end of the rear frame 202, and a rotary disk 203 is movably connected between the front frame 201 and the rear frame 202. A motor 204 is installed at the front end of the front frame 201, and the motor 204 is used to drive the rotary disk 203 to rotate. The output end of the motor 204 is connected to a support shaft 205 welded to the rotary disk 203 through a coupling, and the support shaft 205 is used to support the rotary disk 203. One end of the support shaft 205 away from the front frame 201 is rotatably connected to the rear frame 202 through a bearing.

[0037] For this processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine, since the rotary disk 203 is slidably connected to the front frame 201 and the rear frame 202 through the annular groove 13 and the limit block A14, when the motor 204 works, the output end of the motor 204 drives the support shaft 205 and the rotary disk 203 to rotate, so as to realize the automatic switching of the position of the placing groove 3 where the connecting rod is positioned, reduce the downtime of the traditional manual transposition, realize the continuous processing process, improve the production efficiency, and the automatic switching reduces the risk of positioning errors caused by manual operation. In addition, the clamping, processing and blanking steps are carried out continuously, greatly shortening the overall processing cycle.

[0038] In Figure 6 : Limit blocks A14 are arranged at equal angles at the front and rear ends of the rotary disk 203. Annular grooves 13 which form a sliding structure with the limit blocks A14 are opened at the mutually close ends of the front frame 201 and the rear frame 202.

[0039] This processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine can play a role in supporting and limiting the rotary disk 203, so that the stability of the rotary disk 203 during rotation can be improved.

[0040] In Figures 1-4 、 Figures 6-9 and Figures 11-13In the middle: The interior of the rotating disk 203 is equiangularly provided with placing grooves 3, and the interior of the rotating disk 203 is symmetrically provided with moving grooves 17 about the central axis of the placing groove 3. A positioning mechanism 4 is disposed through the interior of the rotating disk 203. The positioning mechanism 4 includes a push plate 401 welded to the front frame 201 and the rear frame 202 and a push frame 402 slidably connected to the rotating disk 203. One end of the push frame 402 extending into the placing groove 3 is connected to a positioning plate A 404. Both the positioning plate A 404 and the positioning plate B 411 include a plate body and a silica gel pad. The silica gel pad can increase the friction between the plate body and the connecting rod, making the positioning more firm and stable. At the same time, it can prevent the hard contact between the plate body and the connecting rod from damaging the surface of the connecting rod during positioning. The push plate 401 includes an arc-shaped plate and inclined surface blocks symmetrically arranged at both ends of the arc-shaped plate, and the push plate 401 is used to make the push frame 402 move horizontally back and forth. A support spring 403 is connected between the push frame 402 and the rotating disk 203, and one end of the push frame 402 close to the push plate 401 is provided with a hemispherical structure.

[0041] For the processing device of the deep oil hole of the connecting rod of a marine medium-speed diesel engine, since the push frame 402 and the rotating disk 203 are elastically connected by the support spring 403, and the push plate 401 is composed of an arc-shaped plate and inclined surface blocks symmetrically arranged at both ends of the arc-shaped plate, when the rotating disk 203 drives the push frame 402 to rotate and makes it move from the inclined surface block at the top to the arc-shaped plate, the push frame 402 pushes the symmetrically arranged positioning plate A 404 to move towards the connecting rod and clamp the front end face and the rear end face of the connecting rod.

[0042] In Figures 1-4 and Figure 8 、 Figure 9 、 Figure 10 、 Figure 12 、 Figure 13 In the middle: One side of the positioning plate A 404 is welded with a toothed plate frame 405. A rotating rod 407 is connected to the interior of the moving groove 17 through a bearing. A displacement frame 408 is movably connected to the surface of the rotating rod 407. The displacement frame 408 is arranged in an inverted "U" shape. A guiding block 409 is arranged inside the displacement frame 408. A guiding groove 410 which forms a sliding structure with the guiding block 409 is opened on the surface of the rotating rod 407. The guiding groove 410 is arranged in a spiral structure. One side of the displacement frame 408 extending into the placing groove 3 is connected to the positioning plate B 411. A gear 406 which is meshed with the toothed plate frame 405 is arranged at one end of the rotating rod 407 far from the positioning plate B 411. Support holes are symmetrically opened inside the displacement frame 408, and a support rod welded to the moving groove 17 is slidably connected to the inside of the support holes. Through the cooperation of the support holes and the support rod, the displacement frame 408 can be supported and limited, so that the displacement frame 408 can be prevented from shifting.

[0043] The processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine can realize multi-directional and rapid clamping and positioning of the connecting rod due to the meshing connection between the gear 406 and the toothed plate frame 405, which enables the rotation of the gear 406 and the rotating rod 407 when the toothed plate frame 405 moves. Since the displacement frame 408 is slidably connected to the rotating rod 407 through the guide block 409 and the guide groove 410, the displacement frame 408 can push the positioning plate B411 to move towards the side of the connecting rod and clamp the left and right sides of the connecting rod, so as to ensure the stability during the hole-opening process, prevent loosening and detachment. And through the meshing of the gear 406 - toothed plate frame 405 and the sliding cooperation of the guide groove 410, the synchronous linkage of the positioning plate A404 and the like is realized, ensuring the uniform distribution of the four-direction clamping force of the connecting rod and reducing the risk of eccentric load deformation. When the pushing frame 402 moves from the arc-shaped plate to the inclined block at the bottom end, the pushing frame 402 will automatically reset under the action of the support spring 403, and at the same time, the positioning plate A404 and the positioning plate B411 will automatically reset to release the clamping and positioning of the connecting rod, thus preventing obstruction to the blanking. By driving the operation of the positioning mechanism 4 through the operation of the switching mechanism 2, the use of driving parts can be reduced and the energy consumption can be lowered.

[0044] In Figure 1 and Figure 2 : A support plate 12 is arranged inside the placing groove 3, and the support plate 12 is arranged in an arc-shaped structure.

[0045] The processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine supports and preliminarily limits the connecting rod through the arc-shaped support plate 12.

[0046] In Figure 7 and Figure 8 : A limiting groove 15 is formed on the inner surface of the movable groove 17. A limiting block B16 is arranged on one side of the toothed plate frame 405 close to the limiting groove 15. The toothed plate frame 405 and the movable groove 17 form a sliding structure through the limiting groove 15 and the limiting block B16.

[0047] The processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine can support and limit the toothed plate frame 405, so as to improve the stability of the toothed plate frame 405 during the sliding process.

[0048] In Figure 1 , Figure 3 , Figure 4 , Figure 12 and Figure 13In the middle: A collection box 7 is arranged inside the box body 11. The collection box 7 includes a frame body and moving wheels symmetrically installed at the bottom end of the frame body. A magnetic attraction structure is adopted between the rear end of the collection box 7 and the box body 11, which can facilitate the rapid positioning of the collection box 7 and facilitate the separation of the collection box 7 from the box body 11. The collection box 7 is used for centrally collecting the processed connecting rods. A blanking groove 6 is opened at the top end of the workbench 1 on one side of the vertical frame 8, and the blanking groove 6 is used for the sliding connecting rods to fall into the collection box 7. A material guiding plate 5 extending into the blanking groove 6 is welded between the front frame 201 and the rear frame 202, and the material guiding plate 5 is inclined and used for guiding the connecting rods.

[0049] For this processing device of the deep oil hole of the connecting rod of a marine medium-speed diesel engine, after releasing the clamping and positioning of the connecting rod, the connecting rod can automatically slide out of the placement groove 3 under its own gravity, and at the same time, cooperate with the material guiding plate 5 and the blanking groove 6 to complete the automatic blanking of the processed connecting rod, and realize the collection through the collection box 7.

[0050] Working principle: When using this processing device of the deep oil hole of the connecting rod of a marine medium-speed diesel engine, the connecting rods are vertically inserted into the placement groove 3 from above in sequence, and the connecting rods are supported and preliminarily limited by the arc-shaped supporting plate 12. At the same time, the motor 204 is started, so that the output end of the motor 204 drives the supporting shaft 205 and the rotating disk 203 to rotate, so as to send the connecting rods to the deep oil hole opening position in sequence. During this process, when the rotating disk 203 drives the pushing frame 402 to rotate and move it from the top inclined plane block to the arc-shaped plate, the pushing frame 402 pushes the symmetrically arranged positioning plate A404 to move towards the connecting rod and clamp the front end face and the rear end face of the connecting rod. At the same time, the toothed plate frame 405 moves synchronously with the positioning plate A404. Through the meshing action of the gear 406 and the toothed plate frame 405, the gear 406 and the rotating rod 407 rotate. Through the sliding action of the displacement frame 408 and the rotating rod 407, the displacement frame 408 pushes the positioning plate B411 to move towards the side of the connecting rod and clamp the left side face and the right side face of the connecting rod, so as to realize the multi-directional and rapid clamping and positioning of the connecting rod. When the rotating disk 203 switches the connecting rod to the deep oil hole opening position, it stops rotating. At this time, the electric push rod 9 and the hole opening mechanism 10 are started, so that the electric push rod 9 pushes the hole opening mechanism 10 to move towards the connecting rod, and at the same time, the hole opening mechanism 10 works to perform the deep oil hole opening operation on the connecting rod. After the deep oil hole opening operation is completed, the rotating disk 203 continues to rotate, so that the pushing frame 402 moves from the arc-shaped plate to the bottom inclined plane block. At this time, the pushing frame 402 will automatically reset under the action of the supporting spring 403, and at the same time, the positioning plate A404 and the positioning plate B411 will automatically reset to release the clamping and positioning of the connecting rod, so that it can automatically slide out of the placement groove 3 under its own gravity, and at the same time, cooperate with the material guiding plate 5 and the blanking groove 6 to complete the automatic blanking of the processed connecting rod, and realize the collection through the collection box 7;

[0051] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0052] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A processing device for deep oil holes of connecting rods of medium-speed marine diesel engines, comprising a workbench (1). On one side of the top of the workbench (1), there is an upright frame (8). At the top of the upright frame (8), an electric push rod (9) is installed. And at the end of the electric push rod (9) away from the upright frame (8), a hole-opening mechanism (10) is installed. On one side of the bottom of the workbench (1), there is a box body (11); It is characterized in that: On one side of the top of the workbench (1) and above the hole-opening mechanism (10), there is a switching mechanism (2). The switching mechanism (2) includes a front frame (201) and a rear frame (202) welded to the top of the workbench (1). And the front frame (201) is located at the front end of the rear frame (202). And between the front frame (201) and the rear frame (202), there is a rotating disk (203) movably connected; Inside the rotating disk (203), placing grooves (3) are equiangularly opened. And inside the rotating disk (203), movable grooves (17) are symmetrically opened about the central axis of the placing grooves (3). Inside the rotating disk (203), a positioning mechanism (4) is arranged through. The positioning mechanism (4) includes a push plate (401) welded to the front frame (201) and the rear frame (202) and a push frame (402) slidably connected to the rotating disk (203). One end of the push frame (402) extending into the placing groove (3) is connected to a positioning plate A (404). And on one side of the positioning plate A (404), a toothed plate frame (405) is welded. Inside the movable groove (17), a rotating rod (407) is connected through a bearing. On the surface of the rotating rod (407), a displacement frame (408) is movably connected. One side of the displacement frame (408) extending into the placing groove (3) is connected to a positioning plate B (411).

2. The processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine according to claim 1, wherein: At the front end of the front frame (201), a motor (204) is installed. And the motor (204) is used to drive the rotating disk (203) to rotate. The output end of the motor (204) is connected through a coupling to a support shaft (205) welded to the rotating disk (203). And the support shaft (205) is used to support the rotating disk (203). One end of the support shaft (205) away from the front frame (201) is rotatably connected to the rear frame (202) through a bearing.

3. The processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine according to claim 1, characterized in that: At both the front and rear ends of the rotating disk (203), limit blocks A (14) are equiangularly arranged. At the ends of the front frame (201) and the rear frame (202) close to each other, annular grooves (13) are opened which form a sliding structure with the limit blocks A (14).

4. The processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine according to claim 1, characterized in that: The push plate (401) includes an arc-shaped plate and inclined plane blocks symmetrically arranged at both ends of the arc-shaped plate. And the push plate (401) is used to make the push frame (402) move horizontally back and forth.

5. The processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine according to claim 1, characterized in that: Between the push frame (402) and the rotating disk (203), a support spring (403) is connected. And one end of the push frame (402) close to the push plate (401) is set as a hemispherical structure.

6. The processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine according to claim 1, characterized in that: At the end of the rotating rod (407) away from the positioning plate B (411), there is a gear (406) meshingly connected to the toothed plate frame (405).

7. The machining device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine according to claim 6, characterized in that: A limiting groove (15) is formed on the inner surface of the movable groove (17). A limiting block B (16) is arranged on one side of the toothed plate frame (405) close to the limiting groove (15). The toothed plate frame (405) and the movable groove (17) form a sliding structure through the limiting groove (15) and the limiting block B (16).

8. The processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine according to claim 1, characterized in that: A guiding block (409) is arranged inside the displacement frame (408). A guiding groove (410) which forms a sliding structure with the guiding block (409) is formed on the surface of the rotating rod (407).

9. The processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine according to claim 1, characterized in that: A supporting plate (12) is arranged inside the placing groove (3), and the supporting plate (12) is arranged in an arc-shaped structure.

10. The processing device for the deep oil hole of the connecting rod of a marine medium-speed diesel engine according to claim 1, characterized in that: A collecting box (7) is arranged inside the box body (11), and the collecting box (7) is used for centrally collecting the processed connecting rods. A blanking groove (6) is formed at the top of the workbench (1) on one side of the vertical frame (8), and the blanking groove (6) is used for enabling the sliding connecting rods to fall into the collecting box (7). A material guiding plate (5) extending into the blanking groove (6) is welded between the front frame (201) and the rear frame (202), and the material guiding plate (5) is arranged obliquely and is used for guiding the connecting rods.

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