Grinding device for machining cylinder sleeve of diesel engine

Abstract

The utility model belongs to the technical field of cylinder sleeve machining devices, and particularly relates to a grinding device for machining a diesel engine cylinder sleeve, which comprises a grinding machine body, a baffle fixedly mounted on the surface of the grinding machine body, a fixing block connected to the surface of the grinding machine body, a rotating shaft transversely connected to the surface of the fixing block in a penetrating manner, and a protective plate transversely connected to the surface of the rotating shaft in a penetrating manner. According to the cutting and grinding machine, the protection plate rotationally connected to the fixing block is used for blocking and protecting the machining part on the surface of the cutting and grinding machine body according to requirements, and the potential safety hazard caused by the fact that splashing chippings generated in the machining process directly make contact with an operator is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of cylinder sleeve processing devices, and in particular relates to a grinding device for processing a diesel engine cylinder sleeve. Background Art

[0002] Cylinder liners are core components of engines and are widely used in internal combustion engines. As engines develop towards high explosion pressure, low fuel consumption, lightweight and low emissions, higher and higher requirements are put forward for the structural form and processing accuracy of cylinder liners. Bainite semi-dry cylinder liners are increasingly valued by people. In the production and processing of cylinder liners, it is necessary to grind the side walls of cylinder liners to meet production needs. Among them, the "a kind of cylinder liner grinding device" disclosed by the application number "CN202121316754.X" is also an increasingly mature technology. In the process of diesel engine cylinder liner processing, the cylinder liner is ground by a grinding device to improve its surface quality and accuracy. However, the device also has the following defects: However, when the above-mentioned equipment is in use, the existing grinding device splashes debris during processing, which is easy to accidentally injure the operator, and it will also bring inconvenience to the cleaning work. In addition, the existing grinding device will generate noise during processing. Being in a noisy environment for a long time will not only cause the operator to be irritable, but also cause hearing loss, tinnitus and other symptoms, affecting their health. Utility Model Content

[0003] The purpose of the utility model is to provide a grinding device for processing a cylinder liner of a diesel engine, aiming to solve the problem in the prior art that when the above-mentioned equipment is in use, the existing grinding device may easily injure the operator by flying debris during processing, and may also cause inconvenience to the cleaning work. In addition, the existing grinding device may generate noise during processing. If the operator is in a noisy environment for a long time, it may cause irritability and symptoms such as hearing loss and tinnitus, which may affect his health.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding device for processing a diesel engine cylinder liner, comprising: a grinding machine body, a baffle fixedly installed on the surface of the grinding machine body, a fixed block connected to the surface of the grinding machine body, a rotating shaft extending transversely through the surface of the fixed block, a protective plate extending transversely through the surface of the rotating shaft, a slider slidably connected to the surface of the protective plate, and a limiting rod connected to the surface of the slider.

[0005] In order to protect the surface of the grinder by rotating the protective plate with a rotating shaft, as a preferred grinding device for machining a diesel engine cylinder liner of the utility model, the fixed block, the rotating shaft and the protective plate form a rotating connection structure.

[0006] In order to make use of the limit rod to slide on the protective plate to adjust the position and thus fix the position of the protective plate, as a preferred grinding device for diesel engine cylinder liner processing of the utility model, the protective plate, the slider and the limit rod form a sliding connection structure, the surface of the protective plate has a longitudinal "T"-shaped groove whose shape and size match the slider, the baffle plate and the limit rod form a snap-fit ​​connection structure, and the top of the baffle plate has a circular groove whose shape and size match the limit rod.

[0007] In order to use sound insulation boards and sound insulation pads to block the noise generated by the grinding machine, as a preferred grinding device for diesel engine cylinder liner processing in the utility model, the surface of one side of the baffle is connected to a limit block, the surface of the limit block is slidably engaged with the sound insulation board, the surface of the protective plate is provided with a groove, the surface of the groove is engaged with the sound insulation pad, the surface of the sound insulation pad is slidably connected to the slide groove, and the slide groove is provided on the surface of the protective plate.

[0008] In order to utilize the limit block to fix the position of the sound insulation board on the surface of the grinder, as a preferred grinding device for diesel engine cylinder liner processing of the utility model, the baffle plate, the limit block and the sound insulation board form a sliding snap-fit ​​connection structure, and a rectangular groove is provided on one side of the limit block, the shape and size of which are consistent with the protrusion on the surface of the sound insulation board.

[0009] In order to make it convenient to fix the position of the sound insulation pad on the protective plate by utilizing the protrusions on the surface of the sound insulation pad, as a preferred grinding device for processing the cylinder liner of a diesel engine in the utility model, the sound insulation pad is an "L"-shaped integrated structure and a protrusion is provided on one side of the surface that matches the shape and size of the slide groove.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The protective plate connected to the fixed block is rotated to block and protect the processing part of the surface of the grinding machine body according to the needs, so as to prevent the flying debris generated during processing from directly contacting the operator and causing safety hazards;

[0012] The noise generated during processing is blocked by a sound insulation plate fixed on the grinding machine body and a sound insulation pad abutting against the top of the grinding machine body as the protective plate rotates, thereby reducing the noise generated during processing, improving the comfort of the processing workshop and preventing the operator's hearing from being affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the enlarged cross-sectional structure of the protective plate and the limiting rod part of the utility model.

[0018] In the figure: 1. grinding machine body; 2. baffle; 3. fixing block; 4. rotating shaft; 5. protective plate; 6. sliding block; 7. limiting rod; 8. limiting block; 9. sound insulation board; 10. slot; 11. sound insulation pad; 12. slide groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides the following technical solutions: a grinding device for processing a diesel engine cylinder liner, comprising: a grinding machine body 1, a baffle 2 fixedly installed on the surface of the grinding machine body 1, a fixed block 3 connected to the surface of the grinding machine body 1, a rotating shaft 4 passing through the surface of the fixed block 3 transversely, a protective plate 5 passing through the surface of the rotating shaft 4 transversely, a sliding block 6 slidingly connected to the surface of the protective plate 5, and a limiting rod 7 connected to the surface of the sliding block 6.

[0021] Preferably, the fixing block 3, the rotating shaft 4 and the protective plate 5 form a rotating connection structure.

[0022] When in use, the protection plate 5 is lifted up on the fixing block 3 and abuts against the grinding machine body 1 by utilizing the rotating shaft 4 rotatably connected to the fixing block 3 .

[0023] Preferably: the protective plate 5, the slider 6 and the limiting rod 7 form a sliding connection structure, a "T"-shaped groove is longitudinally opened on the surface of the protective plate 5, and the shape and size of the groove match the slider 6, the baffle plate 2 and the limiting rod 7 form a snap-fit ​​connection structure, and a circular groove is opened on the top of the baffle plate 2, and the shape and size match the limiting rod 7.

[0024] During specific use, the holding ring on the surface of the limiting rod 7 is held to pull the limiting rod 7 to slide downward on the protective plate 5 through the connected slider 6, so that it is engaged and fixed in the groove opened on the top of the baffle 2 to fix the position of the protective plate 5 on the grinder body 1.

[0025] Preferably: one side surface of the baffle 2 is connected to the limit block 8, the surface of the limit block 8 is slidably engaged with the sound insulation plate 9, a slot 10 is opened on the surface of the protective plate 5, the surface of the slot 10 is engaged with the sound insulation pad 11, the surface of the sound insulation pad 11 is slidably connected to the slide groove 12, and the slide groove 12 is opened on the surface of the protective plate 5.

[0026] During specific use, two sound insulation plates 9 slidably engaged between the baffle plate 2 and the limit block 8 are fixed on the processing table on the surface of the grinder body 1, and cooperate with the sound insulation pad 11 slidably engaged and fixed on the inner wall of the protective plate 5 to block the noise generated during processing.

[0027] Preferably, the baffle plate 2 , the limiting block 8 and the sound insulation board 9 form a sliding engagement connection structure, and a rectangular groove is provided on one side of the limiting block 8 , the shape and size of which are consistent with the protrusions on the surface of the sound insulation board 9 .

[0028] During specific use, two sound insulation plates 9 slidably engaged between the baffle plate 2 and the limit block 8 are fixed on a processing table on the surface of the grinding machine body 1 .

[0029] Preferably, the sound insulation pad 11 is an "L"-shaped integrated structure and a protrusion is provided on one side of the surface thereof, which is consistent with the shape and size of the slide groove 12.

[0030] When in use, the slide groove 12 and the clamping groove 10 provided on the surface of the protection plate 5 are used to fix the slide groove 12 of the same shape and size, so as to block the noise inside.

[0031] Working principle: In the processing and production of diesel engine cylinder liners, the cylinder liners to be processed are fixed on the grinding machine body 1, and then the rotating shaft 4 rotatably connected to the fixing block 3 is used to lift the protective plate 5 on the fixing block 3 to abut against the grinding machine body 1, and then the holding ring on the surface of the limiting rod 7 is held to pull the limiting rod 7 to slide downward on the protective plate 5 through the connected slider 6, so that it is engaged and fixed in the groove opened on the top of the baffle 2 to fix the position of the protective plate 5 on the grinding machine body 1, and the flying parts generated during processing are produced by the cooperation of the protective plate 5 abutting on the top of the grinding machine body 1 and the baffles 2 on both sides of the grinding machine body 1. The splashed debris is intercepted to prevent it from splashing and injuring people. At the same time, the two sound insulation plates 9 that are slidably engaged between the baffle plate 2 and the limit block 8 are fixed on the processing table on the surface of the grinder body 1, and cooperate with the sound insulation pad 11 that is slidably engaged and fixed on the inner wall of the protective plate 5 to block the noise generated during processing, reduce the spread of noise, improve the comfort of the processing environment, and avoid the symptoms of hearing loss and tinnitus caused by long-term high-decibel noise in the operator. After long-term use, the sound insulation pad 11 that is engaged and slidably fixed on the inner wall of the protective plate 5 can be pulled out for cleaning and replacement. This is the characteristic of a grinding device for diesel engine cylinder liner processing.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A grinding device for machining a diesel engine cylinder liner, comprising: The grinding machine body (1) is characterized in that a baffle (2) is fixedly installed on the surface of the grinding machine body (1), the surface of the grinding machine body (1) is connected to a fixed block (3), the surface of the fixed block (3) is laterally penetrated by a rotating shaft (4), the surface of the rotating shaft (4) is laterally penetrated by a protective plate (5), the surface of the protective plate (5) is slidably connected to a slider (6), and the surface of the slider (6) is connected to a limiting rod (7).

2. A grinding device for machining a diesel engine cylinder liner according to claim 1, characterized in that: The fixed block (3), the rotating shaft (4) and the protective plate (5) form a rotating connection structure.

3. A grinding device for machining a diesel engine cylinder liner according to claim 1, characterized in that: The protective plate (5), the sliding block (6) and the limiting rod (7) form a sliding connection structure. The protective plate (5) has a T-shaped sliding groove longitudinally formed on its surface, the shape and size of which are consistent with those of the sliding block (6). The baffle plate (2) and the limiting rod (7) form a snap-fit ​​connection structure. The top of the baffle plate (2) has a circular groove, the shape and size of which are consistent with those of the limiting rod (7).

4. A grinding device for machining a diesel engine cylinder liner according to claim 1, characterized in that: The surface of one side of the baffle (2) is connected to a limit block (8), the surface of the limit block (8) is slidably engaged with the sound insulation board (9), the surface of the protective board (5) is provided with a slot (10), the surface of the slot (10) is engaged with the sound insulation pad (11), the surface of the sound insulation pad (11) is slidably connected to a slide groove (12), and the slide groove (12) is provided on the surface of the protective board (5).

5. A grinding device for machining a diesel engine cylinder liner according to claim 4, characterized in that: The baffle (2), the limiting block (8) and the sound insulation board (9) form a sliding engagement connection structure, and a rectangular groove is provided on one side of the limiting block (8) with a shape and size that matches the protrusion on the surface of the sound insulation board (9).

6. A grinding device for machining a diesel engine cylinder liner according to claim 4, characterized in that: The sound insulation pad (11) is an "L"-shaped integrated structure and a protrusion is provided on one side of the surface, the shape and size of which are consistent with the slide groove (12).

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