Positioning tool for grinding camshaft

Abstract

The positioning tool is characterized in that the upper surface of a bottom plate is fixedly connected with a bearing plate, the upper surface of the bearing plate is fixedly connected with a fixing ring, the upper surface of the bottom plate is fixedly connected with a bearing block, and the upper surface of the bearing block is fixedly connected with a fixing frame; a fixing block is fixedly connected to the upper surface of the bottom plate, a supporting block is fixedly connected to the upper surface of the fixing block, a rotating shaft is rotatably connected to the upper surface of the supporting block, a positioning block is arranged on the rotating shaft, a cooling liquid box is fixedly connected to the upper surface of the bottom plate, and a spraying channel is fixedly connected to the upper surface of the cooling liquid box. The positioning and fixing device has the beneficial effects that safe and stable positioning and fixing are achieved, so that the machining precision and stability are improved, cooling can be rapidly and conveniently conducted, abrasion of the tool and the cam shaft is reduced, chippings are reduced, the tool is conveniently cleaned, and the tool abrasion and damage probability is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning tooling, in particular to a positioning tooling for camshaft grinding. Background Art

[0002] The camshaft is a mechanical transmission device, which is usually used to control the opening and closing timing of the engine valve. There are raised cams on the camshaft, and the opening and closing timing of the valves are controlled by the shape and arrangement of the cams, so as to achieve the normal operation of the engine. The camshaft needs to be ground to repair damage, improve accuracy, improve surface quality, adjust the cam shape or improve performance. Therefore, a positioning tool is required to assist in grinding. However, the traditional positioning tool will have poor grinding accuracy when used, the camshaft will be offset, the grinding tool and the camshaft will be greatly worn, and the device is easy to damage, and a lot of debris is generated. It is difficult to clean and takes a long time to clean. For example, the Chinese patent publication The "positioning tooling for camshaft grinding" has been developed, and its application number is "CN202022813214.4", which includes: a supporting top that abuts the inner side wall of the center hole at one end of the camshaft with a spline, and a mounting plate fixedly connected to the circumference of the machine tool; the supporting top can be rotatably connected to the machine tool around its own axis; the mounting plate is provided with a mounting top that can abut the inner side wall of the center hole at one end of the camshaft with a cam; the mounting plate is provided with an abutment block that can abut against the outer peripheral wall of the cam, but the above-mentioned components still have the following problems: poor grinding accuracy, position offset of the camshaft, large wear of the grinding tool, and the device is easily damaged, a lot of debris is generated, cleaning is difficult, and the cleaning time is long. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a positioning tool for camshaft grinding, which fixes the camshaft stably through a load-bearing plate, a fixing ring, a load-bearing block, and a fixing frame, thereby avoiding position deviation of the camshaft, provides stable support for the positioning block through a fixing block and a supporting block, and controls the rotation of the positioning block through a rotating shaft, thereby stably positioning the camshaft, achieving stable fixing of the camshaft, improving the stability of the camshaft during operation, avoiding position deviation, and accurately positioning the grinding tool, improving the grinding accuracy, thereby ensuring the camshaft The wheel axle can be ground safely and stably, and the working stability is improved. The coolant is stably provided by the coolant tank, and is sprayed to the camshaft and grinding tool through the spray channel for cooling. The temperature generated by the grinding tool during operation can be greatly eliminated, thereby reducing wear and reducing the generation of grinding debris. The camshaft and grinding tool are cooled, thereby ensuring that the grinding work can be carried out safely and avoiding damage to the grinding tool and camshaft caused by excessive temperature. At the same time, the temperature is reduced and the generation of debris is reduced, thereby reducing the difficulty of cleaning the tooling and facilitating cleaning, thereby ensuring the positioning tooling is clean and tidy.

[0004] The utility model also provides a positioning tool for camshaft grinding processing as mentioned above, comprising: a base plate, the upper surface of the base plate is fixedly connected to a load-bearing plate, the upper surface of the load-bearing plate is fixedly connected to a fixing ring, the upper surface of the base plate is fixedly connected to a load-bearing block, and the upper surface of the load-bearing block is fixedly connected to a fixing frame; the upper surface of the base plate is fixedly connected to a fixing block, the upper surface of the fixing block is fixedly connected to a supporting block, the upper surface of the supporting block is rotatably connected to a rotating shaft, the rotating shaft is provided with a positioning block, the upper surface of the base plate is fixedly connected to a coolant tank, and the upper surface of the coolant tank is fixedly connected to a spraying channel. Through the above device, safe and stable positioning and fixing of the camshaft is achieved, thereby improving processing accuracy and stability, and can quickly and conveniently cool down, thereby reducing wear on the tooling and the camshaft, and reducing the generation of debris, thereby facilitating cleaning of the tooling, thereby reducing the probability of tooling wear and damage.

[0005] According to the positioning tool for camshaft grinding processing described in the utility model, a protective shell is fixedly connected to the upper surface of the base plate, and the protective shell is composed of protective shell one and protective shell two. Through the above device, the positioning tool is protected to avoid damage to the tool due to external reasons.

[0006] According to a positioning tool for camshaft grinding processing described in the utility model, a cover plate is fixedly connected to the upper surface of the protective shell, an observation window is arranged inside the cover plate, and a coil is movably connected to the upper surface of the cover plate, and the material of the coil is polycarbonate. Through the above device, an observation port for convenient observation of the processing process is provided, and the observation port can be opened and closed, thereby improving the advantage of safety.

[0007] According to the positioning tool for camshaft grinding processing described in the utility model, a cleaning box is fixedly connected to the upper surface of the base plate, and a dust suction channel is provided on the side surface of the cleaning box. The dust suction channel is located on the upper surface of the base plate. Through the above device, the generated debris can be safely and stably sucked and collected, thereby ensuring the clean and tidy effect of the inside of the device.

[0008] According to the positioning tool for camshaft grinding processing described in the utility model, the upper surface of the fixed block is fixedly connected to a support plate, the upper surface of the support plate is fixedly connected to a motor, and the motor is detachably connected to the fixed frame. Through the above device, the advantages of safe and stable position of the motor and stable operation are achieved.

[0009] According to the positioning tool for camshaft grinding processing described in the utility model, a rotating disc is arranged inside the fixed frame, and a transmission rod is fixedly connected to the output end of the motor, and the transmission rod is fixedly connected to the rotating disc, and the transmission rod is rotatably connected to the fixed frame. Through the above device, the rotating disc is stably driven to rotate, so that the camshaft can rotate, thereby achieving the effect of all-round grinding processing.

[0010] According to the positioning tool for camshaft grinding processing described in the utility model, the interior of the cleaning box is fixedly connected to a crushing box, and the upper surface of the crushing box is fixedly connected to a cleaning liquid tank. Through the above device, the debris can be collected and crushed, thereby facilitating recycling.

[0011] According to the positioning tool for camshaft grinding processing described in the utility model, the side surface of the cleaning liquid tank is fixedly connected to the clean water tank, and the cleaning liquid tank and the clean water tank are both located inside the cleaning box. Through the above device, the tool and the camshaft after grinding can be cleaned, thereby ensuring a clean and safe working environment.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the positioning tool for camshaft grinding can stably fix the camshaft through the load-bearing plate, the fixing ring, the load-bearing block and the fixing frame, thereby avoiding the position deviation of the camshaft; the fixing block and the supporting block provide stable support for the positioning block, and the rotation of the positioning block is controlled by the rotating shaft, so as to stably position the camshaft, realize stable fixation of the camshaft, improve the stability of the camshaft during operation, avoid the position deviation, accurately position the grinding tool, improve the grinding accuracy, thereby ensuring the safe and stable grinding of the camshaft and improving the working stability.

[0014] 2. Compared with the prior art, the positioning tool for camshaft grinding processing provides coolant stably through the coolant tank, and sprays it to the camshaft and grinding tool through the spray channel for cooling, so that the temperature generated by the grinding tool when working can be greatly eliminated, thereby reducing wear and reducing the generation of grinding debris. The camshaft and the grinding tool are cooled, thereby ensuring that the grinding work can be carried out safely and avoiding damage to the grinding tool and the camshaft due to excessive temperature. At the same time, the temperature is reduced and the generation of debris is reduced, thereby reducing the difficulty of cleaning the tool and facilitating cleaning, thereby ensuring the advantages of the positioning tool being clean and tidy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1This is the overall structure diagram of the positioning tooling for camshaft grinding of the utility model;

[0017] Figure 2 This is a side structural diagram of the positioning tooling for camshaft grinding of the utility model;

[0018] Figure 3 It is a right side cross-sectional view of the positioning tool for camshaft grinding of the utility model;

[0019] Figure 4 It is a left side cross-sectional view of the positioning tool for camshaft grinding of the utility model.

[0020] Legend:

[0021] 1. Cover plate; 2. Coil; 3. Protective shell 1; 4. Protective shell 2; 5. Bottom plate; 6. Positioning block; 7. Rotating shaft; 8. Fixed block; 9. Support block; 10. Cleaning box; 11. Motor; 12. Support plate; 13. Dust suction channel; 14. Spraying channel; 15. Coolant tank; 16. Fixed frame; 17. Load-bearing plate; 18. Fixed ring; 19. Load-bearing block. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a positioning tool for camshaft grinding, which includes: a base plate 5, which provides stable support for the tool as a whole, a load-bearing plate 17 is fixedly connected to the upper surface of the base plate 5, which provides stable support for the fixing ring 18 and provides a relatively stable load-bearing effect, a fixing ring 18 is fixedly connected to the upper surface of the load-bearing plate 17, which supports and fixes the camshaft, a load-bearing block 19 is fixedly connected to the upper surface of the base plate 5, which provides stable support for the fixing frame 16, and the upper surface of the load-bearing block 19 is fixedly connected to the fixing frame 16 to fix the two ends of the camshaft.

[0024] A protective shell is fixedly connected to the upper surface of the base plate 5 to protect the positioning tooling. The protective shell is composed of a protective shell 1 3 and a protective shell 2 4, which limit the components of the protective shell. A cover plate 1 is fixedly connected to the upper surface of the protective shell to provide stable support for the observation window. An observation window is arranged inside the cover plate 1 to provide an observation function, which is convenient for timely response during processing. A coil 2 is movably connected to the upper surface of the cover plate 1 to open and close the observation window. The material of the coil 2 is polycarbonate, which limits the material of the coil 2.

[0025] A cleaning box 10 is fixedly connected to the upper surface of the base plate 5 to provide a cleaning function for the positioning tooling. A dust suction channel 13 is provided on the side surface of the cleaning box 10 to facilitate the rapid processing of debris generated by processing. The dust suction channel 13 is located on the upper surface of the base plate 5 to limit the dust suction channel 13. A crushing box is fixedly connected to the inside of the cleaning box 10 to crush the debris for convenient recycling. A cleaning liquid tank is fixedly connected to the upper surface of the crushing box to provide a stable cleaning liquid for the cleaning box 10. A clean water tank is fixedly connected to the side surface of the cleaning liquid tank to stably provide clean water for the cleaning box 10. The cleaning liquid tank and the clean water tank are both located inside the cleaning box 10 to limit and fix the components inside the cleaning box 10.

[0026] A fixing block 8 is fixedly connected to the upper surface of the base plate 5, which has the function of stably reinforcing the positioning tooling. A supporting block 9 is fixedly connected to the upper surface of the fixing block 8, which provides stable support for the positioning block 6. The upper surface of the supporting block 9 is rotatably connected to the rotating shaft 7, which stably drives the positioning block 6 to rotate, thereby adjusting the positioning accuracy. A positioning block 6 is arranged on the rotating shaft 7 to position the camshaft. A coolant tank 15 is fixedly connected to the upper surface of the base plate 5, which provides stable coolant, thereby cooling the machine during processing. A spray channel 14 is fixedly connected to the upper surface of the coolant tank 15, which sprays the coolant onto the camshaft and the grinding tool.

[0027] The upper surface of the fixed block 8 is fixedly connected to a support plate 12 to provide stable support for the motor 11. The upper surface of the support plate 12 is fixedly connected to the motor 11 to provide stable power for the transmission rod. The motor 11 is detachably connected to the fixed frame 16 to limit the motor 11. A rotating disc is provided inside the fixed frame 16 to drive the camshaft to rotate, thereby performing all-round grinding. The output end of the motor 11 is fixedly connected to a transmission rod, which is fixedly connected to the rotating disc to drive the rotating disc to rotate. The transmission rod is rotatably connected to the fixed frame 16 to limit and fix the transmission rod.

[0028] Working principle: During use, the positioning block 6 is driven to rotate by the rotating shaft 7 to open it, and the camshaft is placed on the fixing ring 18 supported by the load-bearing plate 17, and then the load-bearing block 19 and the fixing frame 16 above are installed to fix the two ends of the camshaft. The positioning block 6 is rotated to position and fix the camshaft. The bottom plate 5 is installed below the load-bearing plate 17 and the load-bearing block 19 as the overall supporting part. A protective shell composed of a protective shell 1 3 and a protective shell 2 4 is installed around the top of the bottom plate 5. The fixing block 8 is installed above the bottom plate 5. A support block 9 is installed above the fixed block 8 to provide support for the rotating shaft 7 and the positioning block 6, a coolant tank 15 and a cleaning box 10 are installed above the base plate 5, a spray channel 14 is installed above the coolant tank 15, and a dust suction channel 13 is installed on the side of the cleaning box 10, a support plate 12 is installed above the fixed block 8, a motor 11 is installed above the support plate 12, a rotating disc is installed inside the fixed frame 16, and a transmission rod is installed at the output end of the motor 11 to connect with the rotating disc, thereby driving the camshaft to rotate for all-round grinding.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A positioning tool for camshaft grinding, It is characterized in that include: A bottom plate (5), the upper surface of the bottom plate (5) being fixedly connected to a load-bearing plate (17), the upper surface of the load-bearing plate (17) being fixedly connected to a fixing ring (18), the upper surface of the bottom plate (5) being fixedly connected to a load-bearing block (19), the upper surface of the load-bearing block (19) being fixedly connected to a fixing frame (16); A fixing block (8) is fixedly connected to the upper surface of the base plate (5), a supporting block (9) is fixedly connected to the upper surface of the fixing block (8), a rotating shaft (7) is rotatably connected to the upper surface of the supporting block (9), a positioning block (6) is arranged on the rotating shaft (7), a cooling liquid tank (15) is fixedly connected to the upper surface of the base plate (5), and a spraying channel (14) is fixedly connected to the upper surface of the cooling liquid tank (15).

2. A positioning tool for camshaft grinding according to claim 1, It is characterized in that The upper surface of the bottom plate (5) is fixedly connected with a protective shell, and the protective shell is composed of a protective shell 1 (3) and a protective shell 2 (4).

3. A positioning tool for camshaft grinding according to claim 2, It is characterized in that The upper surface of the protective shell is fixedly connected to a cover plate (1), an observation window is provided inside the cover plate (1), and the upper surface of the cover plate (1) is movably connected to a coil (2), and the material of the coil (2) is polycarbonate.

4. A positioning tool for camshaft grinding according to claim 1, It is characterized in that A cleaning box (10) is fixedly connected to the upper surface of the bottom plate (5); a dust suction channel (13) is provided on the side surface of the cleaning box (10); and the dust suction channel (13) is located on the upper surface of the bottom plate (5).

5. A positioning tool for camshaft grinding according to claim 1, It is characterized in that The upper surface of the fixed block (8) is fixedly connected to a support plate (12), the upper surface of the support plate (12) is fixedly connected to a motor (11), and the motor (11) is detachably connected to a fixed frame (16).

6. A positioning tool for camshaft grinding according to claim 5, It is characterized in that A rotating disc is arranged inside the fixed frame (16), and a transmission rod is fixedly connected to the output end of the motor (11), the transmission rod is fixedly connected to the rotating disc, and the transmission rod is rotatably connected to the fixed frame (16).

7. A positioning tool for camshaft grinding according to claim 4, It is characterized in that The interior of the cleaning box (10) is fixedly connected to a crushing box, and the upper surface of the crushing box is fixedly connected to a cleaning liquid tank.

8. A positioning tool for camshaft grinding according to claim 7, It is characterized in that A clean water tank is fixedly connected to the side surface of the cleaning liquid tank, and the cleaning liquid tank and the clean water tank are both located inside the cleaning box (10).

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