Spindle locking structure of numerical control high-precision machine tool

Abstract

The numerical control high-precision machine tool spindle locking structure comprises a machine tool spindle body, a fixing block is clamped in the middle of the lower side of the outer ring face of the machine tool spindle body, and a plurality of first limiting rods are fixed to the position, located on the inner surface of the inner bottom of a first remaining groove, of the fixing block at intervals in the horizontal direction. An arc-shaped plate is clamped in the middle of the upper side of the outer ring face of the machine tool spindle body, a plurality of second limiting rods are fixed to the positions, located in the second remaining grooves, of the arc-shaped plate at intervals in the horizontal direction, in the using process, the machine tool spindle body can be conveniently disassembled or locked, operation is convenient and fast when the machine tool spindle body is disassembled or locked, and the working efficiency is improved. And the working efficiency of disassembling or locking the machine tool main shaft main body can be guaranteed, so that the machine tool main shaft main body can be conveniently used.

Description

Technical Field

[0001] The utility model relates to the field of locking structures, in particular to a main shaft locking structure for a numerically controlled high-precision machine tool. Background Art

[0002] CNC high-precision machine tools refer to digitally controlled machine tools. CNC high-precision machine tools are a type of automated machine tools equipped with a program control system. CNC high-precision machine tools have higher precision when processing workpieces. CNC high-precision machine tools can better solve complex, precise, small-batch, and multi-variety parts processing problems.

[0003] The CNC high-precision machine tool spindle refers to the spindle installed on the CNC high-precision machine tool. The CNC high-precision machine tool spindle is an indispensable component in the CNC high-precision machine tool. The CNC high-precision machine tool spindle can drive the workpiece or the tool to rotate, and can conveniently rotate the tool needed in the CNC high-precision machine tool or the workpiece that needs to be processed.

[0004] However, when the existing CNC high-precision machine tool spindle is used, it is not convenient to disassemble or lock the CNC high-precision machine tool spindle. The operation of disassembling or locking the CNC high-precision machine tool spindle is cumbersome, which will affect the work efficiency of disassembling or locking the CNC high-precision machine tool spindle and is not conducive to the use of the CNC high-precision machine tool spindle.

[0005] Therefore, we proposed a spindle locking structure for CNC high-precision machine tools. Utility Model Content

[0006] The utility model aims to provide a spindle locking structure for a CNC high-precision machine tool to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A CNC high-precision machine tool spindle locking structure comprises a machine tool spindle body, a fixed block is clamped in the middle of the lower side of the outer ring surface of the machine tool spindle body, an arc groove is opened in the middle of the upper surface of the fixed block, a first retaining groove is opened in the middle of the bottom of the arc groove on the fixed block, a plurality of first limiting rods are fixed on the inner surface of the bottom of the first retaining groove on the fixed block at intervals in the horizontal direction, a plurality of first limiting holes are opened on the lower side of the machine tool spindle body corresponding to the first limiting rods, an arc plate is clamped in the middle of the upper side of the outer ring surface of the machine tool spindle body, a second retaining groove is opened in the middle of the top of the inner ring surface of the arc plate, a plurality of second limiting rods are fixed on the arc plate at intervals in the horizontal direction in the second retaining groove, and a plurality of second limiting holes are opened on the upper side of the machine tool spindle body corresponding to the second limiting rods.

[0009] As a further solution of the utility model: second mounting plates are fixed at both ends of the outer ring surface of the arc-shaped plate, the second mounting plates are in a horizontal state, and second bolts are threadedly inserted in the vertical direction between the middle parts of both ends of the second mounting plates and the corresponding positions on the fixed block.

[0010] By adopting the above technical solution: the provision of the second bolt helps to install the second mounting plate.

[0011] As a further solution of the utility model: the second bolts are all in a vertical state, the second bolts all penetrate the upper surface and the lower surface of the corresponding position on the second mounting plate, and the lower ends of the second bolts are threadedly inserted into the corresponding positions on the fixing block.

[0012] By adopting the above technical solution: the second bolt is provided, so that the second mounting plate and the fixing block can be installed and limited.

[0013] As a further solution of the utility model: a first mounting plate is fixed to the bottom of the two side surfaces of the fixing block, the first mounting plates are in a horizontal state, and first bolts are threadedly inserted in the middle of the two ends of the first mounting plate along the vertical direction, the first bolts are in a vertical state, and the first bolts pass through the upper surface and the lower surface at the corresponding positions on the first mounting plate.

[0014] By adopting the above technical solution: the first bolt is provided to install and limit the first mounting plate.

[0015] As a further solution of the utility model: the first limit rods are all in a vertical state, the outer side of the outer ring surface of the first limit rods is sleeved and fixed with a first limit pad, the inner ring surfaces of the first limit pads are in a matching and fitting state with the outer ring surfaces of the corresponding first limit rods, and the outer ring surfaces of the first limit pads are in a matching and fitting state with the inner ring surfaces of the corresponding first limit holes on the main spindle body of the machine tool.

[0016] By adopting the above technical solution: the provision of the first limiting pad is helpful to limit the first limiting hole on the main spindle body of the machine tool and the first limiting rod.

[0017] As a further solution of the utility model: the second limit rods are all in a vertical state, the outer side of the outer ring surface of the second limit rods is sleeved and fixed with a second limit pad, the inner ring surfaces of the second limit pads are in a matching and fitting state with the outer ring surfaces of the corresponding second limit rods, and the outer ring surfaces of the second limit pads are in a matching and fitting state with the inner ring surfaces of the corresponding second limit holes on the main spindle body of the machine tool.

[0018] By adopting the above technical solution: the provision of the second limiting pad helps to limit the second limiting hole on the main spindle body of the machine tool and the second limiting rod.

[0019] As a further solution of the utility model: matching first arc-shaped pads are fixed on both sides of the first retaining groove in the arc-shaped groove on the fixed block, and the side of the first arc-shaped pad away from the fixed block is in a matching and fitting state with the corresponding position of the outer ring surface of the machine tool spindle body.

[0020] By adopting the above technical solution: the provision of the first arc-shaped pad helps to limit the position between the fixed block and the main spindle body of the machine tool.

[0021] As a further solution of the utility model: matching second arc pads are fixed on both sides of the inner ring surface of the arc plate located at the second retention groove, and the side of the second arc pad away from the arc plate is in a matching fit with the corresponding position of the outer ring surface of the machine tool spindle body.

[0022] By adopting the above technical solution: the provision of the second arc pad helps to limit the position between the arc plate and the main spindle body of the machine tool.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] In the utility model, the fixing block can lock the machine tool spindle body through the first limiting rod and the first limiting hole, and the arc plate can lock the machine tool spindle body through the second limiting rod and the second limiting hole. When in use, the machine tool spindle body can be conveniently disassembled or locked. The operation of disassembling or locking the machine tool spindle body is convenient, which helps to ensure the work efficiency of disassembling or locking the machine tool spindle body, so as to facilitate the use of the machine tool spindle body.

[0025] 2. In the utility model, the first arc-shaped pad on the fixed block helps to limit the fixed block and the machine tool spindle body, the second arc-shaped pad on the arc-shaped plate helps to limit the arc-shaped plate and the machine tool spindle body, the first limiting rod and the first limiting pad in the first retaining groove on the fixed block can lock and limit the machine tool spindle body through the first limiting hole, and the second limiting rod and the second limiting pad in the second retaining groove on the arc-shaped plate can lock and limit the machine tool spindle body through the second limiting hole, which helps to use the machine tool spindle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the structure of the first mounting plate of the utility model;

[0028] Figure 3 This is a schematic diagram of the first limiting rod structure of the utility model;

[0029] Figure 4 This is a schematic diagram of the second limiting rod structure of the utility model;

[0030] Figure 5 This is a schematic diagram of the second arc-shaped pad structure of the utility model;

[0031] Figure 6 This is a schematic diagram of the first arc-shaped pad structure of the utility model;

[0032] Figure 7 This is a schematic diagram of the second limiting hole structure of the utility model;

[0033] Figure 8 This is a schematic diagram of the first limiting hole structure of the utility model.

[0034] In the figure: 1. machine tool spindle body; 2. fixing block; 3. first mounting plate; 4. second mounting plate; 5. first bolt; 6. second bolt; 7. arc plate; 8. arc groove; 9. first retaining groove; 10. second retaining groove; 11. first arc pad; 12. second arc pad; 13. first limiting hole; 14. second limiting hole; 15. first limiting rod; 16. second limiting rod; 17. first limiting pad; 18. second limiting pad. DETAILED DESCRIPTION

[0035] 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.

[0036] See also Figures 1 to 8In the embodiment of the utility model, a CNC high-precision machine tool spindle locking structure includes a machine tool spindle body 1, a fixed block 2 is clamped in the middle of the lower side of the outer ring surface of the machine tool spindle body 1, an arc groove 8 is opened in the middle of the upper surface of the fixed block 2, a first retaining groove 9 is opened in the middle of the bottom of the arc groove 8 on the fixed block 2, a plurality of first limiting rods 15 are fixed on the inner surface of the bottom of the first retaining groove 9 on the fixed block 2 at intervals in the horizontal direction, a plurality of first limiting holes 13 are opened on the lower side of the machine tool spindle body 1 corresponding to the first limiting rods 15, an arc plate 7 is clamped in the middle of the upper side of the outer ring surface of the machine tool spindle body 1, a second retaining groove 10 is opened in the middle of the top of the inner ring surface of the arc plate 7, and a first retaining groove 10 is opened on the upper side of the arc plate 7. A plurality of second limiting rods 16 are fixed in the second retaining groove 10 at intervals along the horizontal direction, and a plurality of second limiting holes 14 are opened on the upper side of the machine tool spindle body 1 corresponding to the second limiting rods 16. The fixed block 2 can lock the machine tool spindle body 1 through the first limiting rod 15 and the first limiting hole 13, and the arc plate 7 can lock the machine tool spindle body 1 through the second limiting rod 16 and the second limiting hole 14. When in use, the machine tool spindle body 1 can be conveniently disassembled or locked. The operation of disassembling or locking the machine tool spindle body 1 is convenient, which helps to ensure the work efficiency of disassembling or locking the machine tool spindle body 1, so as to facilitate the use of the machine tool spindle body 1.

[0037] Among them, the second mounting plates 4 are fixed at both ends of the outer ring surface of the arc-shaped plate 7, the second mounting plates 4 are in a horizontal state, and the middle parts of the two ends of the second mounting plates 4 are threadedly inserted with second bolts 6 in the vertical direction between the corresponding positions on the fixed block 2, and the second bolts 6 help to install the second mounting plate 4; the second bolts 6 are in a vertical state, and the second bolts 6 pass through the upper surface and the lower surface of the corresponding position on the second mounting plate 4, and the lower ends of the second bolts 6 are threadedly inserted into the corresponding positions on the fixed block 2, and the second bolts 6 can install and limit the second mounting plate 4 and the fixed block 2; the first mounting plates 3 are fixed to the bottom of the two side surfaces of the fixed block 2, the first mounting plates 3 are in a horizontal state, and the middle parts of the two ends of the first mounting plates 3 are threadedly inserted with first bolts 5 in the vertical direction, and the first bolts 5 are in a vertical state. The first bolts 5 pass through the upper surface and the lower surface of the corresponding position on the first mounting plate 3, and the first bolts 5 can install and limit the first mounting plate 3.

[0038] The first limiting rods 15 are all in a vertical state, and the outer side of the outer ring surface of the first limiting rods 15 is sleeved and fixed with a first limiting pad 17, and the inner ring surface of the first limiting pad 17 is in a matching and fitting state with the outer ring surface of the corresponding first limiting rod 15, and the outer ring surface of the first limiting pad 17 is in a matching and fitting state with the inner ring surface of the corresponding first limiting hole 13 on the main body 1 of the machine tool spindle, and the first limiting pad 17 helps to limit the first limiting hole 13 on the main body 1 of the machine tool spindle and the first limiting rod 15; The second limiting rods 16 are all in a vertical state, and the outer side of the outer ring surface of the second limiting rods 16 is sleeved and fixed with a second limiting pad 18, the inner ring surface of the second limiting pad 18 is matched and fitted with the outer ring surface of the corresponding second limiting rod 16, and the outer ring surface of the second limiting pad 18 is matched and fitted with the inner ring surface of the corresponding second limiting hole 14 on the machine tool spindle body 1, and the second limiting pad 18 helps to limit the second limiting hole 14 on the machine tool spindle body 1 and the second limiting rod 16.

[0039] Matching first arc pads 11 are fixed on both sides of the first retaining groove 9 in the arc groove 8 on the fixed block 2, and the side of the first arc pad 11 away from the fixed block 2 is in a matching fit with the corresponding position of the outer ring surface of the machine tool spindle body 1, and the first arc pad 11 helps to limit the fixed block 2 and the machine tool spindle body 1; matching second arc pads 12 are fixed on both sides of the inner ring surface of the arc plate 7 located in the second retaining groove 10, and the side of the second arc pad 12 away from the arc plate 7 is in a matching fit with the corresponding position of the outer ring surface of the machine tool spindle body 1, and the second arc pad 12 helps to limit the arc plate 7 and the machine tool spindle body 1.

[0040] The working principle of the utility model is: during use, the fixing block 2 and the lower surface of the first mounting plate 3 are matched to the position where the fixing block 2 and the lower surface of the first mounting plate 3 need to be installed on the external CNC high-precision machine tool, so that the fixing block 2 and the lower surface of the first mounting plate 3 are matched and fitted with the position where the fixing block 2 and the first mounting plate 3 need to be installed on the external CNC high-precision machine tool, and the first bolt 5 is further used to install the first mounting plate 3 between the position where the fixing block 2 and the external CNC high-precision machine tool need to be installed. The first bolt 5 can fix and limit the first mounting plate 3, which is convenient for the stable use of the first mounting plate 3. The first mounting plate 3 can fix and limit the fixing block 2 and the various components assembled on the fixing block 2, which is helpful for the stable use of the fixing block 2 and the various components assembled on the fixing block 2.

[0041] The machine tool spindle body 1 is installed between the corresponding position on the external CNC high-precision machine tool. The fixed block 2 can fix and limit the arc plate 7 through the second bolt 6 and the second mounting plate 4, which is convenient for the stable use of the arc plate 7. The first arc pad 11 on the fixed block 2 helps to limit the fixed block 2 and the machine tool spindle body 1. The second arc pad 12 on the arc plate 7 helps to limit the arc plate 7 and the machine tool spindle body 1. The first limiting rod 15 and the first limiting pad 17 in the first retaining groove 9 on the fixed block 2 can lock and limit the machine tool spindle body 1 through the first limiting hole 13. The second limiting rod 16 and the second limiting pad 18 in the second retaining groove 10 on the arc plate 7 can lock and limit the machine tool spindle body 1 through the second limiting hole 14, which is helpful for the use of the machine tool spindle body 1.

[0042] When the machine tool spindle body 1 needs to be disassembled, the second bolt 6 is rotated and removed, so that the second bolt 6 cancels the limit between the second mounting plate 4 and the fixed block 2, and the second mounting plate 4 and the arc plate 7 are further moved upward. When the arc plate 7 moves upward, it can drive the second limiting rod 16 and the second limiting pad 18 in the second retaining groove 10 to move upward along the second limiting hole 14 on the machine tool spindle body 1, so that the second limiting rod 16 and the second limiting pad 18 are separated from the second limiting hole 14 on the machine tool spindle body 1 to cancel the limit on the machine tool spindle body 1, and further move the machine tool spindle body 1 upward to take out the machine tool spindle body 1. When the machine tool spindle body 1 moves upward, the first limiting hole 13 and the first limiting rod 15 and the first limiting pad 17 will be separated. After the machine tool spindle body 1 is disassembled, it is convenient to replace or repair the machine tool spindle body 1.

[0043] After the replacement or maintenance of the machine tool spindle body 1 is completed, the machine tool spindle body 1 is reset to the upper side between the first arc pad 11 in the arc groove 8 on the fixed block 2, so that the first limiting rod 15 and the first limiting pad 17 in the first retaining groove 9 are inserted into the first limiting hole 13 on the machine tool spindle body 1, and the arc plate 7 is reset to the upper side of the machine tool spindle body 1, so that the second limiting rod 16 and the second limiting pad 18 in the second retaining groove 10 on the arc plate 7 are inserted into the second limiting hole 14 on the machine tool spindle body 1, and the second mounting plate 4 and the fixed block 2 are further installed and limited by the second bolt 6 to facilitate the use of the machine tool spindle body 1.

[0044] During use, the main shaft body 1 of the machine tool can be easily disassembled or locked. The operation of disassembling or locking the main shaft body 1 of the machine tool is convenient, which helps to ensure the efficiency of disassembling or locking the main shaft body 1 of the machine tool, so as to facilitate the use of the main shaft body 1 of the machine tool.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A CNC high-precision machine tool spindle locking structure, comprising a machine tool spindle body (1), characterized in that: A fixing block (2) is clamped in the middle of the lower side of the outer ring surface of the machine tool spindle body (1), an arc groove (8) is opened in the middle of the upper surface of the fixing block (2), a first retaining groove (9) is opened in the middle of the inner bottom of the arc groove (8) on the fixing block (2), a plurality of first limiting rods (15) are fixed at intervals along the horizontal direction on the inner surface of the inner bottom of the first limiting groove (9) on the fixing block (2), a plurality of first limiting holes (13) are opened on the lower side of the machine tool spindle body (1) corresponding to the first limiting rods (15), an arc plate (7) is clamped in the middle of the upper side of the outer ring surface of the machine tool spindle body (1), a second retaining groove (10) is opened in the middle of the top of the inner ring surface of the arc plate (7), a plurality of second limiting rods (16) are fixed at intervals along the horizontal direction on the arc plate (7) in the second retaining groove (10), and a plurality of second limiting holes (14) are opened on the upper side of the machine tool spindle body (1) corresponding to the second limiting rods (16).

2. The spindle locking structure for a CNC high-precision machine tool according to claim 1, characterized in that: Second mounting plates (4) are fixed to both ends of the outer annular surface of the arc-shaped plate (7), the second mounting plates (4) are both in a horizontal state, and second bolts (6) are threadedly inserted in a vertical direction between the middle parts of both ends of the second mounting plates (4) and corresponding positions on the fixing block (2).

3. The spindle locking structure of a CNC high-precision machine tool according to claim 2, characterized in that: The second bolts (6) are all in a vertical state, and the second bolts (6) penetrate the upper surface and the lower surface at corresponding positions on the corresponding second mounting plate (4), and the lower ends of the second bolts (6) are threadedly inserted into corresponding positions on the fixing block (2).

4. The spindle locking structure for a CNC high-precision machine tool according to claim 3, characterized in that: The bottom of both side surfaces of the fixing block (2) are fixed with first mounting plates (3), the first mounting plates (3) are in a horizontal state, and the middle parts of both ends of the first mounting plates (3) are provided with first bolts (5) threadedly inserted in a vertical direction, the first bolts (5) are in a vertical state, and the first bolts (5) penetrate the upper surface and the lower surface at corresponding positions on the first mounting plates (3).

5. The spindle locking structure for a CNC high-precision machine tool according to claim 4, characterized in that: The first limiting rods (15) are all in a vertical state, the outer side of the outer ring surface of the first limiting rods (15) is sleeved and fixed with a first limiting pad (17), the inner ring surface of the first limiting pad (17) is in a matching and fitting state with the outer ring surface of the corresponding first limiting rod (15), and the outer ring surface of the first limiting pad (17) is in a matching and fitting state with the inner ring surface of the corresponding first limiting hole (13) on the main spindle body (1) of the machine tool.

6. The spindle locking structure for a CNC high-precision machine tool according to claim 5, characterized in that: The second limiting rods (16) are all in a vertical state, and the outer side of the outer ring surface of the second limiting rods (16) is sleeved and fixed with a second limiting pad (18), and the inner ring surface of the second limiting pad (18) is in a matching and fitting state with the outer ring surface of the corresponding second limiting rod (16), and the outer ring surface of the second limiting pad (18) is in a matching and fitting state with the inner ring surface of the corresponding second limiting hole (14) on the main spindle body (1) of the machine tool.

7. The spindle locking structure for a CNC high-precision machine tool according to claim 6, characterized in that: Matching first arc pads (11) are fixed on both sides of the first retention groove (9) in the arc groove (8) on the fixed block (2), and the side of the first arc pad (11) away from the fixed block (2) is in a matching and fitting state with the corresponding position of the outer ring surface of the machine tool spindle body (1).

8. The spindle locking structure for a CNC high-precision machine tool according to claim 7, characterized in that: Matching second arc pads (12) are fixed on both sides of the inner annular surface of the arc plate (7) located at the second retention groove (10), and the side of the second arc pad (12) away from the arc plate (7) is in a matching and fitting state with the corresponding position of the outer annular surface of the machine tool spindle body (1).

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