Camshaft end face machining tool

Abstract

The utility model discloses a camshaft end face machining tool which comprises a base and a supporting frame, the supporting frame is installed at the upper end of the base, an end face machining assembly for machining two end faces of a camshaft at the same time is arranged on the supporting frame, a positioning assembly is arranged on the supporting frame, and the supported camshaft can be positioned and machined through the positioning assembly. The end face machining assembly comprises a first telescopic rod set and a second telescopic rod set, the first telescopic rod set is installed at the left end of the supporting frame, and the second telescopic rod set is installed at the right end of the supporting frame. The two end faces of the cam shaft are grooved through the grooving drill bit in the machining assembly and then ground through the grinding wheel, the two end faces of the cam shaft can be machined at the same time, and the machining precision and efficiency of the two end faces of the cam shaft are improved.

Description

Technical Field

[0001] The utility model relates to the field of camshaft processing, in particular to a fixture for machining the end face of a camshaft. Background Technique

[0002] A camshaft is a component in a piston engine. Its function is to control the opening and closing of the valves. The main body of the camshaft is a cylindrical rod approximately the same length as the cylinder block. There are several cams sleeved on it for driving the valves. The end face of the camshaft generally needs to be machined first for convenient subsequent positioning. The existing fixtures for machining the end face of the camshaft can only machine one end at a time, which is time-consuming and laborious. At the same time, there are errors in the secondary positioning and clamping, reducing the machining accuracy. Moreover, it cannot be used for camshafts of multiple diameters, with poor versatility and low work efficiency.

[0003] Therefore, it is very necessary to invent a fixture for machining the end face of a camshaft. Summary of the Invention

[0004] The purpose of the utility model is to provide a fixture for machining the end face of a camshaft to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A fixture for machining the end face of a camshaft includes a base and a support frame. The support frame is installed at the upper end of the base. There is an end face machining component on the support frame for machining the two end faces of the camshaft simultaneously. There is a positioning component on the support frame, which can position and machine the supported camshaft.

[0007] In a preferred embodiment of the utility model, the end face machining component includes a first telescopic rod group and a second telescopic rod group. The first telescopic rod group is installed at the left end of the support frame, and the second telescopic rod group is installed at the right end of the support frame.

[0008] In a preferred embodiment of the utility model, support disks are installed at the output ends of the first telescopic rod group and the second telescopic rod group. A turntable is rotatably installed on the other end face of the support disk. A motor three is installed on the support disk, and the output end of the motor three is connected to the turntable.

[0009] In a preferred embodiment of the utility model, a motor one is installed on the turntable, and a grooving drill bit is installed at the output end of the motor one.

[0010] In a preferred embodiment of the utility model, a motor two is also installed on the turntable, and a grinding wheel is installed at the output end of the motor two.

[0011] In a preferred embodiment of the present utility model, the positioning assembly includes a first support plate and a second support plate, and the first support plate and the second support plate are respectively installed at the upper end of the base.

[0012] In a preferred embodiment of the present utility model, a first clamping groove is provided on the inner walls of the upper ends of the first support plate and the second support plate, and a camshaft is placed inside the first clamping groove.

[0013] In a preferred embodiment of the present utility model, a telescopic rod is installed at the upper end of the support frame, the output end of the telescopic rod is installed with a third support plate, and a first clamping plate and a second clamping plate are respectively installed at the lower end of the third support plate. Second clamping grooves are provided on the inner walls of the lower ends of the first clamping plate and the second clamping plate.

[0014] Additional aspects and advantages of the present utility model will be partly given in the following description, partly will become obvious from the following description, or be understood through the practice of the present utility model. Beneficial effects

[0015] By providing processing components at both ends of the camshaft end face processing tooling, the camshaft only needs to be positioned and clamped once. First, the grooving drill bit in the processing component is used to groove the two end faces of the camshaft, and then the grinding wheel is used to grind the two end faces of the camshaft, so that the two end faces of the camshaft can be processed simultaneously, improving the processing accuracy and efficiency of the two end faces of the camshaft. Description of the drawings

[0016] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0017] Figure 1 It is a three-dimensional view of a camshaft end face processing tooling;

[0018] Figure 2 It is a front view of a camshaft end face processing tooling;

[0019] Figure 3 It is a schematic diagram of the installation of the first clamping plate and the second clamping plate in a camshaft end face processing tooling;

[0020] Figure 4 It is a schematic diagram of the installation of the turntable in a camshaft end face processing tooling.

[0021] In the figure: base 1, support frame 11, end face processing component 2, first telescopic rod group 21, second telescopic rod group 22, support disk 23, turntable 24, first motor 25, grooving drill bit 26, second motor 27, grinding wheel 28, third motor 29, positioning assembly 3, first support plate 31, second support plate 32, first clamping groove 33, camshaft 34, telescopic rod 35, third support plate 36, first clamping plate 37, second clamping plate 38, second clamping groove 39. Detailed implementation mode

[0022] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0023] Embodiment 1: As Figures 1-4 ,

[0024] It includes a base 1 and a support frame 11. The support frame 11 is installed at the upper end of the base 1. An end face processing assembly 2 for simultaneously processing both end faces of the camshaft is provided on the support frame 11. A positioning assembly 3 is provided on the support frame 11, which can perform positioning processing on the supported camshaft. Processing assemblies are provided at both ends of the end face processing tool for the camshaft. The camshaft only needs to be positioned and clamped once. First, the grooving drill bit in the processing assembly is used to groove both end faces of the camshaft, and then the grinding wheel is used to grind both end faces of the camshaft, so that both end faces of the camshaft can be processed simultaneously, improving the precision and efficiency of processing both end faces of the camshaft;

[0025] The end face processing assembly 2 includes a first telescopic rod group 21 and a second telescopic rod group 22. The first telescopic rod group 21 is installed at the left end of the support frame 11, and the second telescopic rod group 22 is installed at the right end of the support frame 11. The first telescopic rod group 21 and the second telescopic rod group 22 are respectively used to push the support disks 23 at both ends of the camshaft 34. Support disks 23 are installed at the output ends of the first telescopic rod group 21 and the second telescopic rod group 22. The support disks 23 are used to support the rotary table 24 for rotary installation. The other end face of the support disk 23 is rotatably installed with the rotary table 24. The rotary table 24 rotates 180 degrees each time to swap the positions of the grooving drill bit 26 and the grinding wheel 28. A third motor 29 is installed on the support disk 23. The output end of the third motor 29 is connected to the rotary table 24. The third motor 29 is used to drive the rotary table 24 to rotate. A first motor 25 is installed on the rotary table 24. The first motor 25 is used to drive the grooving drill bit 26 to rotate. The grooving drill bit 26 rotates to groove both ends of the camshaft 34. The output end of the first motor 25 is installed with the grooving drill bit 26. A second motor 27 is also installed on the rotary table 24. The second motor 27 is used to drive the grinding wheel 28 to rotate. After the grinding wheel 28 rotates, it grinds both ends of the camshaft 34, improving the processing efficiency of both ends of the camshaft 34. The output end of the second motor 27 is installed with the grinding wheel 28;

[0026] The first motor 25 is used to drive the grooving drill bit 26 to rotate. The first telescopic rod group 21 and the second telescopic rod group 22 respectively push the corresponding support disks 23, so as to adjust the position of the grooving drill bit 26. The grooving drill bit 26 rotates to perform grooving processing on both ends of the camshaft 34. Then, the first telescopic rod group 21 and the second telescopic rod group 22 respectively pull back the corresponding support disks 23. The third motor 29 drives the turntable 24 to rotate 180 degrees to exchange the positions of the grooving drill bit 26 and the grinding wheel 28. The second motor 27 drives the grinding wheel 28 to rotate. The first telescopic rod group 21 and the second telescopic rod group 22 respectively push the corresponding support disks 23 again, so that the grinding wheel 28 contacts both ends of the camshaft 34 for grinding processing, improving the processing efficiency of both ends of the camshaft 34.

[0027] Embodiment 2: As Figures 1-3 ,

[0028] It includes a base 1 and a support frame 11. The support frame 11 is installed at the upper end of the base 1. An end face processing component 2 for simultaneously processing both end faces of the camshaft is provided on the support frame 11. A positioning component 3 is provided on the support frame 11, which can perform positioning processing on the supported camshaft. Processing components are provided at both ends of the end face processing tooling of the camshaft. The camshaft only needs to be positioned and clamped once. First, the grooving drill bit in the processing component is used to perform grooving processing on both end faces of the camshaft, and then the grinding wheel is used to perform grinding processing on both end faces of the camshaft, so as to simultaneously process both end faces of the camshaft, improving the processing accuracy and efficiency of both end faces of the camshaft;

[0029] The positioning component 3 includes a first support plate 31 and a second support plate 32. The first support plate 31 and the second support plate 32 are respectively installed at the upper end of the base 1. The first support plate 31 and the second support plate 32 are used to support the placement of the camshaft 34. The inner walls of the upper ends of the first support plate 31 and the second support plate 32 are both provided with a first slot 33. The camshaft 34 is placed inside the first slot 33. A telescopic rod 35 is installed at the upper end of the support frame 11. The height positions of the first clamping plate 37 and the second clamping plate 38 are adjusted through the telescopic rod 35. The output end of the telescopic rod 35 is installed with a third support plate 36. The third support plate 36 is used to support the installation of the first clamping plate 37 and the second clamping plate 38. The first clamping plate 37 and the second clamping plate 38 are respectively installed at the lower end of the third support plate 36. The first clamping plate 37 and the second clamping plate 38 descend to press down on the camshaft 34, and are clamped to the outer wall of the camshaft 34 through the second slot 39 to position the camshaft 34. The inner walls of the lower ends of the first clamping plate 37 and the second clamping plate 38 are both provided with a second slot 39;

[0030] After the camshaft 34 is placed inside the first slot 33, the telescopic rod 35 pushes down the first clamping plate 37 and the second clamping plate 38. The first clamping plate 37 and the second clamping plate 38 descend to press down on the camshaft 34, and are clamped to the outer wall of the camshaft 34 through the second slot 39 to position the camshaft 34.

[0031] The working principle of the utility model is as follows: The first telescopic rod group 21 is installed at the left end of the support frame 11, and the second telescopic rod group 22 is installed at the right end of the support frame 11. Support discs 23 are installed at the output ends of the first telescopic rod group 21 and the second telescopic rod group 22. A turntable 24 is rotatably installed on the other end face of the support disc 23. A third motor 29 is installed on the support disc 23, and the output end of the third motor 29 is connected to the turntable 24. A first motor 25 is installed on the turntable 24, and a grooving drill bit 26 is installed at the output end of the first motor 25. A second motor 27 is also installed on the turntable 24, and a grinding wheel 28 is installed at the output end of the second motor 27. A first support plate 31 and a second support plate 32 are respectively installed at the upper end of the base 1. First slots 33 are provided on the inner walls of the upper ends of the first support plate 31 and the second support plate 32. A camshaft 34 is placed inside the first slots 33. A telescopic rod 35 is installed at the upper end of the support frame 11, and a third support plate 36 is installed at the output end of the telescopic rod 35. A first clamping plate 37 and a second clamping plate 38 are respectively installed at the lower end of the third support plate 36. Second slots 39 are provided on the inner walls of the lower ends of the first clamping plate 37 and the second clamping plate 38. After the camshaft 34 is placed inside the first slots 33, the telescopic rod 35 pushes down the first clamping plate 37 and the second clamping plate 38, and the first clamping plate 37 and the second clamping plate 38 descend to press down on the camshaft 34 and are clamped to the outer wall of the camshaft 34 through the second slots 39 to position the camshaft 34. The first motor 25 is used to drive the grooving drill bit 26 to rotate. The first telescopic rod group 21 and the second telescopic rod group 22 respectively push the corresponding support discs 23, so as to adjust the position of the grooving drill bit 26. The grooving drill bit 26 rotates to perform grooving processing on both ends of the camshaft 34. Then, the first telescopic rod group 21 and the second telescopic rod group 22 respectively pull back the corresponding support discs 23. The third motor 29 drives the turntable 24 to rotate 180 degrees to swap the positions of the grooving drill bit 26 and the grinding wheel 28. The second motor 27 drives the grinding wheel 28 to rotate. The first telescopic rod group 21 and the second telescopic rod group 22 respectively push the corresponding support discs 23 again, so that the grinding wheel 28 contacts both ends of the camshaft 34 for grinding processing, improving the processing efficiency of both ends of the camshaft 34.

[0032] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A camshaft end face processing tooling, comprising a base (1) and a support frame (11), the support frame (11) is installed at the upper end of the base (1), and is characterized in that, a end face processing component (2) for simultaneously processing two end faces of the camshaft is arranged on the support frame (11), and a positioning component (3) is arranged on the support frame (11), which can perform positioning processing on the supported camshaft.

2. The machining tool for the end face of a camshaft according to claim 1, characterized in that, The end face processing component (2) includes a first telescopic rod group (21) and a second telescopic rod group (22), the first telescopic rod group (21) is installed at the left end of the support frame (11), and the second telescopic rod group (22) is installed at the right end of the support frame (11).

3. The machining fixture for the end face of a camshaft according to claim 2, characterized in that, Support disks (23) are installed at the output ends of the first telescopic rod group (21) and the second telescopic rod group (22), a turntable (24) is rotatably installed on the other end face of the support disk (23), a third motor (29) is installed on the support disk (23), and the output end of the third motor (29) is connected to the turntable (24).

4. A camshaft end face machining tooling according to claim 3, characterized in that, A first motor (25) is installed on the turntable (24), and a grooving drill bit (26) is installed at the output end of the first motor (25).

5. A camshaft end face machining tooling according to claim 3, characterized in that, A second motor (27) is also installed on the turntable (24), and a grinding wheel (28) is installed at the output end of the second motor (27).

6. The machining fixture for the end face of a camshaft according to claim 1, characterized in that, The positioning component (3) includes a first support plate (31) and a second support plate (32), and the first support plate (31) and the second support plate (32) are respectively installed at the upper end of the base (1).

7. A camshaft end face processing tooling according to claim 6, characterized in that, A first clamping groove (33) is formed in the inner walls of the upper ends of the first support plate (31) and the second support plate (32), and a camshaft (34) is placed inside the first clamping groove (33).

8. A camshaft end face machining tooling according to claim 1, characterized in that, A telescopic rod (35) is installed at the upper end of the support frame (11), a third support plate (36) is installed at the output end of the telescopic rod (35), a first clamping plate (37) and a second clamping plate (38) are respectively installed at the lower end of the third support plate (36), and a second clamping groove (39) is formed in the inner walls of the lower ends of the first clamping plate (37) and the second clamping plate (38).

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