Numerical control machine tool spindle positioning device

Abstract

The utility model relates to the technical field of numerically-controlled machine tools, and discloses a numerically-controlled machine tool spindle positioning device which comprises a positioning ring, at least one mounting hole is formed in the positioning ring, positioning grooves are symmetrically formed in the positioning ring, positioning blocks are slidably connected in the positioning grooves, and the mounting holes are formed in the positioning grooves. The positioning ring is provided with a moving mechanism for driving the positioning block to slide, the positioning ring is provided with a fixing mechanism for fixing the positioning block, the positioning block is fixedly connected with a connecting block, the positioning block is slidably connected with fixing blocks on the two sides of the connecting block, and the fixing blocks are rotatably connected with bolts. Compared with the prior art, the positioning device has the advantages that the positioning device can adapt to positioning grooves of different cutters, so that the positioning device does not need to be replaced frequently, and the positioning device is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a spindle positioning device for numerical control machine tools. Background Art

[0002] CNC machine tools are equipment that use CNC technology to control machine tools for processing. It can realize automated processing through pre-programmed instructions. CNC machine tools have the advantages of high precision, high efficiency and flexibility, and are widely used in various fields of manufacturing.

[0003] When using a CNC machine tool, in order to diversify the processing angles, a milling head is generally installed on the spindle. The processing direction can be changed by the milling head, and a positioning device is fixed at one end of the milling head so that different types of tools can be replaced. However, in the prior art, the fixing devices are mostly fixed, and the positions of the positioning grooves of different types of tools are different, so the positioning device needs to be replaced, which is more troublesome. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The technical problem to be solved by the utility model is that the positioning devices are mostly fixed. When different types of cutting tools are replaced, the positioning devices need to be replaced, which is troublesome.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: a spindle positioning device for a CNC machine tool, comprising a positioning ring, the positioning ring is provided with no less than one mounting hole, the positioning ring is provided with symmetrically arranged positioning grooves, a positioning block is slidably connected in the positioning groove, the positioning ring is provided with a moving mechanism for driving the positioning block to slide, the positioning ring is provided with a fixing mechanism for fixing the positioning block, the positioning block is fixedly connected with a connecting block, the positioning block is slidably connected with fixed blocks on both sides of the connecting block, the fixed block is rotatably connected with a bolt, and one end of the bolt is threadedly connected to the connecting block.

[0008] As an improvement, the moving mechanism includes a first sliding block on the bottom surface of the positioning block, and a first sliding groove cooperating with the first sliding block is provided in the positioning groove on the positioning ring, a screw rod is rotatably connected in the first sliding groove, and the first sliding block is threadedly connected to the screw rod.

[0009] As an improvement, the fixing mechanism includes an L-shaped sliding hole on the positioning ring that is connected to the first sliding groove, a block that cooperates with the first sliding groove is slidably connected in the L-shaped sliding hole, a connecting rod is fixedly connected to one side of the block, a limiting column is provided in the L-shaped sliding hole, and a spring that is sleeved on the limiting column is provided between the bottom surface of the block and the L-shaped sliding hole.

[0010] As an improvement, a connecting ring is movably sleeved on the positioning ring, and the inner wall of the connecting ring is fixedly connected to the connecting rod.

[0011] As an improvement, a clamping column is fixedly connected to the bolt, and a clamping groove cooperating with the clamping column is provided on the fixing block.

[0012] As an improvement, a second sliding block is fixedly connected to the bottom surface of the fixing block, and a second sliding groove cooperating with the second sliding block is provided on the positioning block.

[0013] (III) Beneficial effects

[0014] The advantages of the utility model compared with the prior art are:

[0015] By rotating the screw rod, the first slider is driven to move, thereby driving the positioning block to move, so as to facilitate the fixation of the tools in different positioning grooves. The screw rod is fixed by a clamping block, a spring, and a connecting rod, thereby indirectly fixing the positioning block. The distance between the fixing blocks can be adjusted by bolts, fixing blocks, and connecting blocks, so as to adapt to positioning grooves of different widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a three-dimensional diagram of a spindle positioning device for a numerically controlled machine tool.

[0017] Figure 2 The utility model is an exploded diagram of a spindle positioning device for a CNC machine tool.

[0018] Figure 3 This is a cross-section of a CNC machine tool spindle positioning device of the utility model Figure 1 .

[0019] Figure 4 It is an enlarged view of position A of a spindle positioning device for a CNC machine tool of the utility model.

[0020] Figure 5 This is a cross-section of a CNC machine tool spindle positioning device of the utility model Figure 2 .

[0021] Figure 6 It is an enlarged view of position B of a spindle positioning device for a CNC machine tool of the utility model.

[0022] As shown in the figure: 1. Positioning ring; 2. Mounting hole; 3. Positioning groove; 4. Positioning block; 5. Connecting block; 6. Fixed block; 7. Bolt; 8. First slider; 9. First slide groove; 10. Screw; 11. L-shaped slide hole; 12. Block; 13. Connecting rod; 14. Limiting column; 15. Spring; 16. Connecting ring; 17. Block; 18. Second slider; 19. Second slide groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] like Figure 1 , Figure 2 , Figure 4 , Figure 6 As shown, a spindle positioning device for a numerically controlled machine tool comprises a positioning ring 1, wherein the positioning ring 1 is provided with at least one mounting hole 2, wherein the positioning ring 1 is provided with positioning grooves 3 which are symmetrically arranged, wherein a positioning block 4 is slidably connected in the positioning groove 3, wherein a first slider 8 is fixedly connected to the bottom surface of the positioning block 4, wherein a first slide groove 9 which cooperates with the first slider 8 is provided in the positioning groove 3 on the positioning ring 1, wherein a screw 10 is rotatably connected in the first slide groove 9, wherein the first slider 8 is threadedly connected to the screw 10, wherein the positioning ring 1 is provided with a first slide groove 9 which cooperates with the first slide groove 9 An L-shaped sliding hole 11 is provided, in which a block 12 cooperating with the first sliding block 8 is slidably connected, and a connecting rod 13 is fixedly connected to one side of the block 12. A limiting column 14 is provided in the L-shaped sliding hole 11, and a spring 15 sleeved on the limiting column 14 is provided between the bottom surface of the block 12 and the L-shaped sliding hole 11. The positioning block 4 on the first sliding block 8 is driven to slide by the screw rod 10, and the distance between the block 12 and the screw rod 10 is controlled by toggling the connecting rod 13, so that the screw rod 10 is fixed, and the spring 15 provides elastic force to the block 12.

[0025] like Figures 2 to 5 As shown, the positioning block 4 is fixedly connected to a connecting block 5, and the positioning block 4 is slidably connected to fixing blocks 6 on both sides of the connecting block 5, and the bottom surface of the fixing block 6 is fixedly connected to a second sliding block 18, and the positioning block 4 is provided with a second sliding groove 19 that cooperates with the second sliding block 18, and the fixing block 6 is rotatably connected to a bolt 7, one end of the bolt 7 is threadedly connected to the connecting block 5, and a clamping column 17 is fixedly connected to the bolt 7, and a clamping groove that cooperates with the clamping column 17 is provided on the fixing block 6, and a connecting ring 16 is movably sleeved on the positioning ring 1, and the inner wall of the connecting ring 16 is fixedly connected to the connecting rod 13, and the movement of the fixing block 6 is controlled by rotating the bolt 7 to adjust the distance between the two fixing blocks 6, and the fixing block 6 moves with the bolt 7 through the clamping column 17 and the clamping groove.

[0026] In specific use, according to the position of the positioning groove at one end of the tool, the connecting ring 16 is squeezed downward, the connecting ring 16 drives the connecting rod 13 to move downward, the spring 15 is compressed and deformed, the block 12 moves away from the screw rod 10, and then the screw rods 10 on both sides are rotated, the screw rods 10 drive the first slider 8 to slide, thereby driving the positioning block 4 to move, and stop when it moves to the appropriate position, and then release the connecting ring 16, the connecting ring 16 returns to the initial position under the elastic force of the spring 15, the block 12 rests on the screw rod 10, thereby fixing the screw rod 10, and then according to the width of the positioning groove, the two bolts 7 are rotated, the bolts 7 move outward, and under the action of the clamping column 17 and the clamping groove, the fixing block 6 moves outward together with the bolt 7, and stops when it moves to the appropriate position, completing the adjustment of the positioning block 4 and the fixing block 6.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0029] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A spindle positioning device for a numerically controlled machine tool, comprising a positioning ring (1), the positioning ring (1) being provided with at least one mounting hole (2), the positioning ring (1) being provided with symmetrically arranged positioning grooves (3), characterized in that: A positioning block (4) is slidably connected in the positioning groove (3); a moving mechanism for driving the positioning block (4) to slide is provided on the positioning ring (1); and a fixing mechanism for fixing the positioning block (4) is provided on the positioning ring (1); The positioning block (4) is fixedly connected to a connecting block (5), the positioning block (4) is slidably connected to fixing blocks (6) on both sides of the connecting block (5), the fixing block (6) is rotatably connected to a bolt (7), and one end of the bolt (7) is threadedly connected to the connecting block (5).

2. The spindle positioning device for a CNC machine tool according to claim 1, characterized in that: The moving mechanism comprises a first sliding block (8) on the bottom surface of the positioning block (4); a first sliding groove (9) cooperating with the first sliding block (8) is provided in the positioning groove (3) on the positioning ring (1); a screw rod (10) is rotatably connected in the first sliding groove (9); and the first sliding block (8) is threadedly connected to the screw rod (10).

3. A spindle positioning device for a CNC machine tool according to claim 2, characterized in that: The fixing mechanism comprises an L-shaped sliding hole (11) on the positioning ring (1) and communicating with the first sliding groove (9); a clamping block (12) cooperating with the first sliding block (8) is slidably connected in the L-shaped sliding hole (11); a connecting rod (13) is fixedly connected to one side of the clamping block (12); a limiting column (14) is provided in the L-shaped sliding hole (11); and a spring (15) sleeved on the limiting column (14) is provided between the bottom surface of the clamping block (12) and the L-shaped sliding hole (11).

4. The spindle positioning device for a CNC machine tool according to claim 3, characterized in that: A connecting ring (16) is movably sleeved on the positioning ring (1), and the inner wall of the connecting ring (16) is fixedly connected to the connecting rod (13).

5. The spindle positioning device for a CNC machine tool according to claim 1, characterized in that: A clamping column (17) is fixedly connected to the bolt (7), and a clamping groove cooperating with the clamping column (17) is provided on the fixing block (6).

6. The spindle positioning device for a CNC machine tool according to claim 1, characterized in that: The bottom surface of the fixed block (6) is fixedly connected to a second sliding block (18), and the positioning block (4) is provided with a second sliding groove (19) that cooperates with the second sliding block (18).

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