CN210023836U

CN210023836U - Edge boring machine for engine cylinder body

Info

Publication number: CN210023836U
Application number: CN201920638462.4U
Authority: CN
Inventors: 许英太
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-02-07
Anticipated expiration: 2029-05-07

Abstract

The utility model discloses an engine cylinder body is with boring along machine, by the main shaft, the screw rod, the boring cutter, the sleeve, a machine support, a housing, fine-tuning mechanism, drive arrangement and base constitute, this boring is along machine for manual portable boring along machine, need not to carry out the dismantlement of cylinder body, just can realize the online maintenance of engine cylinder body, it has reduced cost of maintenance again when subtracting the maintenance work, energy-concerving and environment-protective, setting through fine-tuning mechanism, with the cooperation of drive arrangement and main shaft, can realize the fine tuning, the function of fine control and spacing feed, this engine cylinder body is with boring along machine not only has simple structure, reasonable in design, advantages such as convenient to use, but also has maintenance cycle weak point, machining precision advantage such as high.

Description

Edge boring machine for engine cylinder body

Technical Field

The utility model discloses a technical field who relates to equipment is used in the maintenance of engine cylinder body especially relates to an engine cylinder body is with boring along machine.

Background

The engine block is the most important part of the car body engine and has the functions of providing installation, supporting and ensuring accurate positions of moving parts such as a piston, a connecting rod, a crankshaft and the like during operation of each engine and parts of each engine, and ensuring ventilation, cooling and lubrication of the engine. However, with the operation of the engine, the upper end of the cylinder body is recessed due to poor cooling, abrasion, aging, deformation, water erosion, gas corrosion and the like, so that the engine is flushed with a cylinder gasket and cannot be normally used.

At present, when the cylinder cushion of the engine cannot be used, the cylinder body needs to be repaired after being disassembled, sometimes, the cylinder body even needs to be transported to a repair shop for a long distance, and special large-scale equipment is adopted for repairing, so that the problems of high maintenance cost, large workload, long maintenance period and the like exist.

Therefore, how to develop a novel device to realize the online maintenance of the engine cylinder block becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a boring machine is followed to engine cylinder body to at least, solve prior art when carrying out the engine cylinder body maintenance, the maintenance cost who exists is high, work load is big and maintenance cycle length scheduling problem.

The utility model provides a technical scheme specifically does, an engine cylinder is with boring along machine, and this boring includes along the machine: the device comprises a main shaft 1, a screw rod 2, a boring cutter 3, a sleeve 4, a frame 5, a shell 6, a fine adjustment mechanism 7, a driving device 8 and a base 9;

the main shaft 1 is provided with a mounting pore passage penetrating through the upper end surface and the lower end surface;

the screw 2 penetrates through a mounting hole in the main shaft 1 and is fixedly connected with the main shaft 1;

the boring cutter 3 is fixedly arranged at the lower end of the screw rod 2;

the sleeve 4 is rotatably sleeved outside the main shaft 1, and threads are arranged on the outer wall of the sleeve 4;

a cavity is arranged in the rack 5, threads are arranged on the inner wall of the cavity, and the rack 5 is sleeved outside the sleeve 4 through the cavity threads;

the shell 6 is rotatably sleeved outside the rack 5;

the fine adjustment mechanism 7 is integrally cylindrical, is rotatably sleeved outside the shell 6, and is provided with precision holes or scales at intervals along the circumferential direction on the upper end face of the fine adjustment mechanism 7;

the driving device 8 is positioned above the shell 6 and sleeved outside the main shaft 1, and the lower end of the driving device is fixedly connected with the rack 5;

the base 9 is positioned below the shell 6 and sleeved outside the spindle 1, and the upper end face of the base 9 is fixedly connected with the lower end face of the shell 6.

Preferably, the side wall of the fine adjustment mechanism 7 is provided with positioning screw holes at intervals along the circumferential direction, and screws 71 are installed in the positioning screw holes.

Further preferably, the lower end surface of the base 9 is a circular shape with one end cut off.

Further preferably, arc-shaped grooves which are recessed inwards in the radial direction are symmetrically arranged on two sides of the end surface of the lower end of the base 9.

More preferably, the boring cutter 3 is provided with a long hole 31 penetrating through the upper and lower ends, and the boring cutter 3 is sleeved on the lower end of the screw rod 2 through the long hole 31 and fixed by a nut 32.

Further preferably, the driving device 8 is symmetrically provided with first wrenches 81 extending radially outward on both sides.

Further preferably, the boring machine for the engine block further includes: and the second wrench 10 is fixedly sleeved outside the upper end of the screw rod 2, and is fixedly connected with the main shaft 1.

The utility model provides an engine cylinder body is with boring along machine comprises main shaft, screw rod, boring cutter, sleeve, frame, casing, fine-tuning, drive arrangement and base, and this boring is along the machine for manual portable boring along machine, need not to carry out the dismantlement of cylinder body, just can realize the online maintenance of engine cylinder body, and it has reduced cost of maintenance again when reducing maintenance work. In addition, because the fine adjustment mechanism is arranged in the edge boring machine, the accurate feed of the edge boring machine can be realized, the machining precision is ensured, and the strict tolerance requirement of an engine is met. Specifically, the boring machine can realize coarse adjustment and fine adjustment of the cutter position twice through structural design, so as to achieve the purposes of fine adjustment and fine control. When the boring edge is used, firstly, the driving device is rotated to drive the sleeve, the main shaft, the screw and the boring cutter to move downwards relative to the frame and the shell together until the boring cutter is contacted with the cylinder body, and the rough adjustment of the cutter position is completed; and then, rotating the fine adjustment mechanism to enable a fine adjustment hole or scale on the fine adjustment mechanism to be aligned with the initial position of the driving device, then, rotating the driving device again until the fine adjustment hole or scale on the fine adjustment mechanism is aligned with the required position of the fine adjustment mechanism according to the requirement of the feed size, further driving the sleeve, the main shaft, the screw rod and the boring cutter to continuously move downwards to the required position relative to the frame and the shell together, finishing the fine adjustment of the cutter position, and finally, rotating the main shaft to drive the screw rod and the boring cutter to rotate, realizing the processing of the spigot and finishing the maintenance of the cylinder body. Therefore, the engine cylinder body edge boring machine has the advantages of simple structure, reasonable design, convenience in use and the like, and also has the advantages of low maintenance cost, short maintenance period, high machining precision and the like.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a boring machine for an engine cylinder according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a boring cutter in a boring machine for an engine cylinder body according to an embodiment of the present disclosure.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.

In order to solve the problems of high maintenance cost, large workload, long maintenance period and the like in the maintenance of an engine cylinder block in the prior art, the embodiment provides an engine cylinder block edge boring machine, referring to fig. 1, which mainly comprises a main shaft 1, a screw rod 2, a boring cutter 3, a sleeve 4, a frame 5, a shell 6, a fine adjustment mechanism 7, a driving device 8 and a base 9, wherein a mounting hole passage penetrating through upper and lower end faces is arranged in the center of the main shaft 1, the screw rod 2 passes through the mounting hole passage in the main shaft 1 and is fixedly connected with the main shaft 1, the boring cutter 3 is fixedly arranged at the lower end of the screw rod 2, the sleeve 4 is rotatably sleeved outside the main shaft 1 through a bearing 41, threads are arranged on the outer wall of the sleeve 4, steps are arranged on the side wall of the main shaft 1 in order to realize the axial limit of the sleeve 4 relative to the main shaft 1, and the upper end of the sleeve 4 is just clamped on the, the inner part of the frame 5 is provided with a cavity, the inner wall of the cavity is provided with threads, the frame 5 is sleeved outside the sleeve 4 through the cavity threads, when the driving frame 5 rotates, the sleeve 4 can be driven to move up and down together with the main shaft 1 and the screw rod 2 inside the sleeve relative to the frame 5 through thread transmission, the shell 6 is sleeved outside the frame 5 in a rotating mode, the fine adjustment mechanism 7 is integrally cylindrical and is sleeved outside the shell 6 in a rotating mode, precision holes are uniformly distributed in the upper end face of the fine adjustment mechanism 7 at intervals along the circumferential direction, the driving device 8 is located above the shell 6 and sleeved outside the main shaft 1, the lower end of the driving device is fixedly connected with the frame 5, the base 9 is located below the shell 6 and sleeved outside the main shaft 1, and the upper end face of the base 9 is fixedly connected with the lower end face of the shell 6.

The boring edge for the engine cylinder block in the embodiment is mainly used for processing the spigot when the engine cylinder block is maintained, and the specific using process of the boring edge is as follows: when the boring machine is in work, the base of the boring machine and a cylinder body to be maintained are fixed in position through the clamping device, the driving device can be rotated clockwise after the position is fixed, the driving device is fixedly connected with the frame, so that the frame and the driving device can be driven to rotate together relative to the shell, in the rotating process of the frame, threads on the inner wall of the cavity of the frame are matched with threads on the outer wall of the sleeve, the sleeve can be driven to move downwards relative to the frame and the shell along the axial direction, and the sleeve and the main shaft are fixed in the axial direction, so that the sleeve can drive the main shaft, the screw rod and the boring cutter fixed at the lower end of the screw rod to move downwards relative to the frame and the shell until the boring cutter is in contact with the cylinder body to be maintained, the rotation of the driving device is stopped, the coarse adjustment of the position of the boring cutter is completed, and precision holes or scales are, therefore, the adjacent precision holes or scales correspond to equal-length cutting depths, at this time, after the rotary fine adjustment mechanism enables any precision hole or scale on the upper end surface of the rotary fine adjustment mechanism to be aligned with the position A (the position A can be selected at any time) of the driving device, the rotary driving device continues to rotate anticlockwise (clockwise) by taking the precision hole or scale on the upper end surface of the rotary fine adjustment mechanism as a ruler according to the cutting depth requirement of processing, the rotary driving device is stopped after the position A of the driving device rotates to be aligned with the corresponding depth position on the upper end surface of the rotary fine adjustment mechanism, the position fine adjustment of the boring cutter is completed at this moment, after the two times of cutter position adjustment, the boring cutter is located at the required position, and finally the main shaft is rotated to drive the screw rod and the boring cutter at the lower end of the screw rod to rotate.

When the boring edge machine for the engine cylinder body provided in the scheme is used for maintaining, the cylinder body is not required to be disassembled, online maintenance can be realized, the maintenance difficulty is reduced, long-distance transportation of the cylinder body is not required, the boring edge machine is convenient and practical, energy-saving and environment-friendly, the maintenance period is shortened, and the maintenance cost is reduced.

In order to further ensure the feeding precision of the boring cutter and improve the processing precision, as an improvement of the technical scheme, referring to fig. 1, positioning screw holes are arranged on the side wall of the fine adjustment mechanism 7 at intervals along the circumferential direction, a screw 71 is installed in each positioning screw hole, after the fine adjustment mechanism 7 is adjusted, the screws 71 can be screwed to lock the position of the fine adjustment mechanism and the position of the shell 6, and the problem that the precision is reduced due to the fact that the fine adjustment mechanism 7 is accidentally touched in the process of rotating the driving device 8 and the position of the fine adjustment mechanism 7 is changed is prevented.

In order to improve the adaptability and the universality of the boring machine, as an improvement of the technical scheme, the lower end face of the base 9 can be designed into a circular shape with one end cut off, and at the moment, for the cylinder body with a bulge on the periphery, the boring machine can still be used for maintenance and processing.

In order to further provide the adaptability and the universality of the boring machine and enable the boring machine to be suitable for vehicles of different sides, as an improvement of the technical scheme, arc-shaped grooves which are inwards recessed along the radial direction are symmetrically arranged on two sides of the end surface of the lower end of the base 9.

In order to realize that the boring cutter 3 can meet different cutter length requirements, multiple times of cutter changing operation is not needed, the operation is convenient, and meanwhile, the cost is reduced, as the improvement of the technical scheme, referring to fig. 2, the boring cutter 3 is provided with a long hole 31 penetrating through the upper end and the lower end, referring to fig. 1, the boring cutter 3 is sleeved at the lower end of the screw rod 2 through the long hole 31 and is fixed through a nut 32, after the structure is designed, the position of the boring cutter 3 relative to the screw rod 2 can be adjusted along the long hole according to the required cutter length, and when the position is proper, the position is locked through the nut.

In order to facilitate the rotation operation of the driving device 8, as a modification of the technical solution, referring to fig. 1, first wrenches 81 extending radially outward are symmetrically disposed on both sides of the driving device 8.

In order to facilitate the rotation operation of the main shaft 1, as a technical improvement, referring to fig. 1, a second wrench 10 is further arranged in the engine cylinder body boring machine, and the second wrench 10 is fixedly sleeved outside the upper end of the screw rod 2 and is fixedly connected with the main shaft 1.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A boring machine for an engine block, comprising: the device comprises a main shaft (1), a screw (2), a boring cutter (3), a sleeve (4), a rack (5), a shell (6), a fine adjustment mechanism (7), a driving device (8) and a base (9);

the main shaft (1) is provided with a mounting pore passage penetrating through the upper end surface and the lower end surface;

the screw (2) penetrates through a mounting hole in the main shaft (1) and is fixedly connected with the main shaft (1);

the boring cutter (3) is fixedly arranged at the lower end of the screw rod (2);

the sleeve (4) is rotatably sleeved outside the main shaft (1), and threads are arranged on the outer wall of the sleeve (4);

a cavity is arranged in the rack (5), threads are arranged on the inner wall of the cavity, and the rack (5) is sleeved outside the sleeve (4) through the cavity threads;

the shell (6) is rotatably sleeved outside the rack (5);

the fine adjustment mechanism (7) is integrally cylindrical, is rotatably sleeved outside the shell (6), and is circumferentially and uniformly provided with precision holes or scales at intervals on the upper end face of the fine adjustment mechanism (7);

the driving device (8) is positioned above the shell (6) and sleeved outside the main shaft (1), and the lower end of the driving device is fixedly connected with the rack (5);

the base (9) is positioned below the shell (6) and sleeved outside the main shaft (1), and the upper end face of the base (9) is fixedly connected with the lower end face of the shell (6).

2. The engine block boring machine according to claim 1, characterized in that the side wall of the fine adjustment mechanism (7) is provided with positioning screw holes at intervals in the circumferential direction, and screws (71) are mounted in the positioning screw holes.

3. The boring machine for an engine block according to claim 1, wherein a lower end face of the base (9) is a circular shape with one end cut off.

4. The boring machine for the engine cylinder block as set forth in claim 3, characterized in that the lower end face of the base (9) is bilaterally symmetrically provided with arc-shaped grooves which are recessed radially inward.

5. The boring machine for the engine cylinder block according to claim 1, characterized in that the boring cutter (3) is provided with a long hole (31) penetrating through the upper and lower ends, and the boring cutter (3) is sleeved on the lower end of the screw rod (2) through the long hole (31) and fixed by a nut (32).

6. The engine block boring machine according to claim 1, characterized in that the driving device (8) is symmetrically provided with first wrenches (81) extending radially outward on both sides.

7. The engine block boring machine of claim 1, further comprising: the second wrench (10) is fixedly sleeved outside the upper end of the screw rod (2) in a sleeved mode, and is fixedly connected with the main shaft (1).