Clamping equipment for camshaft machining

Abstract

The utility model relates to the technical field of clamping equipment, and provides clamping equipment for camshaft machining, which comprises a base, a fixed clamping structure is fixed at the top end of the base, and the fixed clamping structure comprises a fixed disc, a moving groove, a driving rod, a driving motor, a moving block, a supporting rod, an extension block and a fixed plate. By arranging the fixed clamping structure, a driving motor is started, the driving motor rotates to drive a driving rod to rotate, the driving rod rotates to drive a moving block to move in a moving groove, and the moving block moves to drive an extension block to move through a supporting rod; the extending blocks can drive the fixing plates to move in the direction of the cam shaft when moving, the multiple sets of fixing plates are arranged, the cam shaft can be clamped in multiple directions, the situation that the machining precision is affected due to the fact that the cam shaft slides or rotates in the machining process is avoided, and the fixing and clamping functions of the device are achieved; and the stability of the clamping equipment for camshaft machining during use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping equipment, in particular to a clamping equipment for camshaft processing. Background Art

[0002] Camshafts are key components in engines and other mechanical equipment, and are widely used in internal combustion engines, hydraulic machinery, agricultural machinery, engineering machinery and other fields. With the continuous development of mechanical processing technology, CNC camshaft grinding technology has made considerable progress. For example, the use of high-speed grinding technology, the elimination of traditional prototyping processing technology, and grinding after clamping have greatly improved the processing efficiency and accuracy. Therefore, it is necessary to design a clamping device for camshaft processing.

[0003] The traditional camshaft processing method has the problem of insufficient circumferential fixation of the camshaft, which causes the camshaft to rotate during the processing and affects the processing accuracy. Therefore, it is necessary to design a camshaft processing clamping device that can firmly clamp and is not easy to rotate. Utility Model Content

[0004] The utility model aims to provide a clamping device for camshaft processing, so as to solve the problem that the existing camshaft processing method has insufficient circumferential fixation of the camshaft, which causes the camshaft to rotate during the processing and affects the processing accuracy.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: A clamping device for camshaft processing, comprising a base;

[0006] A fixed clamping structure is fixed on the top of the base;

[0007] The fixed clamping structure includes a fixed disk, a moving groove, a driving rod, a driving motor, a moving block, a supporting rod, an extension block and a fixed plate. The fixed disk is fixed to the top of the base. The top of the fixed disk is evenly provided with moving grooves. The inside of the moving grooves is provided with moving blocks. The inside of the moving blocks is penetrated by driving rods. The top of the moving blocks is fixed with supporting rods. One side of the supporting rods is fixed with extension blocks. One side of the extension blocks is fixed with fixed plates. The driving motors are evenly installed on the outer side wall of the fixed disk.

[0008] A pre-clamping structure is fixed at the middle position of the top end of the fixing plate.

[0009] Furthermore, the movable grooves are distributed at equal intervals on the top of the fixed disk, and the driving rod and the movable block are threadedly connected.

[0010] Furthermore, one end of the driving rod extends to the outside of the fixed disk and is fixedly connected to the output end of the driving motor, and the fixing plates are distributed above the fixed disk at equal intervals.

[0011] Furthermore, the pre-clamping structure includes a fixed seat, an adjusting groove, a driving shaft, a sliding groove, a clamping plate, a rotating rod, a slider and a driving block. The fixed seat is fixed at the middle position of the top of the fixed disk, and adjusting grooves are provided on both sides of the top of the fixed seat, and sliding grooves are provided on both sides of the adjusting groove. A driving block is arranged inside the adjusting groove, and a driving shaft passes through the driving block. A slider is arranged inside the sliding groove, and clamping plates are fixed on the tops of the slider and the driving block, and one end of the driving shaft extends to the outside of the fixed seat and is fixed with a rotating rod.

[0012] Furthermore, the driving shaft and the driving block are threadedly connected, and the threads on both sides of the driving shaft are in opposite directions.

[0013] Furthermore, the slide grooves are symmetrically distributed on both sides of the adjusting groove, and the top view cross section of the clamping plate is arc-shaped.

[0014] Furthermore, the slider and the fixing seat form a sliding structure through a sliding groove, and the sliders are symmetrically distributed on both sides of the clamping plate.

[0015] The utility model provides a clamping device for camshaft processing, which has the advantages of:

[0016] By providing a fixed clamping structure, starting the driving motor, when the driving motor rotates, it drives the driving rod to rotate, when the driving rod rotates, it drives the moving block to move inside the moving groove, when the moving block moves, it drives the extension block to move through the support rod, when the extension block moves, it drives the fixed plate to move toward the camshaft, and multiple sets of fixed plates are provided, so that the camshaft can be clamped in multiple directions to avoid sliding or rotating of the camshaft during processing, which affects the processing accuracy, and realizes the fixed clamping function of the device, thereby improving the stability of the clamping device for camshaft processing when in use;

[0017] By providing a pre-clamping structure, the camshaft is placed in the middle position of the top of the fixed seat, and the rotating rod is rotated, the rotating rod will drive the driving shaft to rotate, and the rotation of the driving shaft will drive the driving block to move inside the adjusting groove. When moving, the driving block will move in the same or opposite direction according to the rotation direction of the rotating rod. The driving block can drive the clamping plates to move closer to or away from each other, which can facilitate the pre-clamping of the bottom of the camshaft and facilitate the subsequent clamping and fixing, thereby realizing the pre-clamping function of the device and improving the convenience of the clamping equipment for camshaft processing when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2This is a schematic diagram of the main cross-sectional structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0021] Figure 4 It is a side cross-sectional structural schematic diagram of the utility model;

[0022] Figure 5 For the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0023] Figure 6 It is a side cross-sectional structural schematic diagram of the utility model.

[0024] Explanation of the reference numerals in the figure: 1. base; 2. fixed clamping structure; 21. fixed plate; 22. movable groove; 23. driving rod; 24. driving motor; 25. moving block; 26. supporting rod; 27. extension block; 28. fixed plate; 3. pre-clamping structure; 31. fixed seat; 32. adjusting groove; 33. driving shaft; 34. sliding groove; 35. clamping plate; 36. rotating rod; 37. sliding block; 38. driving block. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 6 The utility model provides a clamping device for camshaft processing, which includes a base 1.

[0027] Reference Figure 1-Figure 6A fixed clamping structure 2 is fixed at the top of the base 1, and the fixed clamping structure 2 includes a fixed disk 21, a movable groove 22, a driving rod 23, a driving motor 24, a movable block 25, a support rod 26, an extension block 27 and a fixed plate 28. The fixed disk 21 is fixed to the top of the base 1, and the top of the fixed disk 21 is evenly provided with movable grooves 22, and the interior of the movable grooves 22 is provided with movable blocks 25, and the interior of the movable blocks 25 is penetrated by the driving rod 23. The top of the movable blocks 25 is fixed with support rods 26, and one side of the support rods 26 is fixed with extension blocks 27, and one side of the extension blocks 27 is fixed with fixed plates 28. The driving motor 24 is evenly installed on the outer wall of the fixed disk 21, and the movable grooves 22 are evenly spaced at the top of the fixed disk 21. The driving rod 23 and the movable block 25 are threadedly connected. One end of the driving rod 23 extends to the outside of the fixed disk 21 and is fixedly connected to the output end of the driving motor 24. The fixed plates 28 are evenly spaced above the fixed disk 21.

[0028] An external power supply is connected to start the driving motor 24. When the driving motor 24 rotates, it will drive the driving rod 23 to rotate. When the driving rod 23 rotates, it will drive the moving block 25 to move inside the moving groove 22. When the moving block 25 moves, it will drive the extension block 27 to move through the support rod 26. When the extension block 27 moves, it will drive the fixed plate 28 to move toward the camshaft. By setting up multiple sets of fixed plates 28, the camshaft can be clamped in multiple directions to prevent the camshaft from sliding or rotating during processing, which affects the processing accuracy.

[0029] Reference Figure 1-Figure 6 A pre-clamping structure 3 is fixed at the middle position of the top of the fixed disk 21. The pre-clamping structure 3 includes a fixed seat 31, an adjustment groove 32, a driving shaft 33, a slide groove 34, a clamping plate 35, a rotating rod 36, a slider 37 and a driving block 38. The fixed seat 31 is fixed at the middle position of the top of the fixed disk 21. Adjustment grooves 32 are provided on both sides of the top of the fixed seat 31. Slide grooves 34 are provided on both sides of the adjusting groove 32. A driving block 38 is arranged inside the adjusting groove 32. The driving shaft 33 runs through the inside of the driving block 38. The slide groove A slider 37 is provided inside 34, and a clamping plate 35 is fixed to the top of the slider 37 and the driving block 38. One end of the driving shaft 33 extends to the outside of the fixed seat 31 and is fixed with a rotating rod 36. The driving shaft 33 and the driving block 38 are threadedly connected, and the threads on both sides of the driving shaft 33 are in opposite directions. The slide grooves 34 are symmetrically distributed on both sides of the adjusting groove 32. The top cross-section of the clamping plate 35 is arc-shaped. The slider 37 and the fixed seat 31 form a sliding structure through the slide grooves 34, and the sliders 37 are symmetrically distributed on both sides of the clamping plate 35.

[0030] Place the camshaft in the middle position of the top of the fixed seat 31, rotate the rotating rod 36, the rotating rod 36 will drive the driving shaft 33 to rotate, and the rotation of the driving shaft 33 will drive the driving block 38 to move inside the adjusting slot 32. When moving, the driving block 38 will move towards or in the opposite direction according to the rotation direction of the rotating rod 36. The driving block 38 can drive the clamping plates 35 to move closer to or away from each other, which can facilitate the pre-clamping of the bottom of the camshaft and facilitate the subsequent clamping and fixing.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A clamping device for camshaft processing, comprising a base (1); Features: A fixed clamping structure (2) is fixed to the top of the base (1); The fixed clamping structure (2) comprises a fixed disk (21), a movable groove (22), a driving rod (23), a driving motor (24), a movable block (25), a supporting rod (26), an extension block (27) and a fixed plate (28); the fixed disk (21) is fixed to the top of the base (1); the top of the fixed disk (21) is evenly provided with movable grooves (22); the inside of the movable grooves (22) is provided with movable blocks (25); the inside of the movable blocks (25) is penetrated by the driving rod (23); the top of the movable blocks (25) is fixed with a supporting rod (26); one side of the supporting rod (26) is fixed with an extension block (27); one side of the extension block (27) is fixed with a fixed plate (28); the driving motor (24) is evenly installed on the outer wall of the fixed disk (21); A pre-clamping structure (3) is fixed at the middle position of the top end of the fixed plate (21).

2. A camshaft processing clamping device according to claim 1, characterized in that: The movable grooves (22) are distributed at equal intervals on the top of the fixed plate (21), and the driving rod (23) and the movable block (25) are threadedly connected.

3. The camshaft processing clamping device according to claim 1, characterized in that: One end of the driving rod (23) extends to the outside of the fixed disk (21) and is fixedly connected to the output end of the driving motor (24), and the fixing plates (28) are distributed above the fixed disk (21) at equal intervals.

4. The camshaft processing clamping device according to claim 1, characterized in that: The pre-clamping structure (3) comprises a fixed seat (31), an adjusting groove (32), a driving shaft (33), a sliding groove (34), a clamping plate (35), a rotating rod (36), a sliding block (37) and a driving block (38); the fixed seat (31) is fixed at the middle position of the top of the fixed disk (21); both sides of the top of the fixed seat (31) are provided with adjusting grooves (32); both sides of the adjusting groove (32) are provided with sliding grooves (34); a driving block (38) is arranged inside the adjusting groove (32); a driving shaft (33) runs through the inside of the driving block (38); a sliding block (37) is arranged inside the sliding groove (34); the tops of the sliding block (37) and the driving block (38) are fixed with a clamping plate (35); one end of the driving shaft (33) extends to the outside of the fixed seat (31) and is fixed with a rotating rod (36).

5. The camshaft processing clamping device according to claim 4, characterized in that: The driving shaft (33) and the driving block (38) are threadedly connected, and the directions of the threads on both sides of the driving shaft (33) are opposite.

6. The camshaft processing clamping device according to claim 4, characterized in that: The slide grooves (34) are symmetrically distributed on both sides of the adjustment groove (32), and the top view cross section of the clamping plate (35) is designed to be arc-shaped.

7. The camshaft processing clamping device according to claim 4, characterized in that: The sliding block (37) and the fixing seat (31) form a sliding structure through a sliding groove (34), and the sliding blocks (37) are symmetrically distributed on both sides of the clamping plate (35).

Images