CNC blade positioning mechanism

Abstract

The utility model relates to the field of numerical control blade positioning, and discloses a numerical control blade positioning mechanism, including a tool holder, a positioning assembly is fixedly threadedly connected to the upper left end of the tool holder, a shift assembly is slidably connected to the inner left end of the tool holder, a tool is contacted to the upper left end of the tool holder, a positioning column is slidably connected to the middle inner part of the tool, an extrusion rod is slidably connected to the lower end of the positioning column, a sliding rod is slidably connected to the inner front end of the tool holder, a sliding button is fixedly connected to the right end of the sliding rod, a card block is elastically connected to the inner part of the sliding button through a spring, and a U-shaped block is slidably connected to the inner side of the card block. In the utility model, the sliding button can slide and drive the sliding rod to slide by extruding the U-shaped block, and the sliding extrusion of the sliding rod can extrude the extrusion rod to make the sliding column slide into and be fixed inside the tool holder, so that the tool is clamped and fixed, which increases the convenience of disassembly and installation of the tool.

Description

Technical Field

[0001] The utility model relates to the field of numerical control blade positioning, in particular to a numerical control blade positioning mechanism. Background Art

[0002] The tool holder or tool holder on the CNC machining equipment usually has a pre-set tool positioning hole or groove, and the tool usually has a corresponding positioning pin or positioning groove, and precise positioning can be achieved by inserting the tool into the positioning hole or groove.

[0003] After searching, Chinese patent publication number: CN217166527U discloses a lathe tool, comprising a tool handle (1), a tool pad (2) and a blade (3), wherein a tool head (4) is provided at the end of the tool handle (1), a first mounting groove (401) is provided on the tool head (4), a positioning hole (4011) is provided on the first mounting groove (401), a positioning column (201) is provided on the bottom surface of the tool pad (2), and the positioning column (201) is inserted into the positioning hole (4011); the utility model tool pad and the blade are firmly installed, the blade is easy to replace, and the service life is long.

[0004] In the above technology, although the blade is installed firmly, when the blade is replaced, it is necessary to use tools such as a screwdriver or hexagon socket to remove and install the bolts to remove and install the blade. This method requires repeated rotation, etc., which increases the complexity of the operation. Therefore, a CNC blade positioning mechanism is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a numerically controlled blade positioning mechanism, aiming to improve the problem of complicated blade disassembly and installation in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a CNC blade positioning mechanism includes a tool holder, a positioning component is fixedly threadedly connected to the upper left end of the tool holder, a gear component is slidably connected to the left end of the tool holder, the upper left end of the tool holder contacts the tool, a positioning column is slidably connected to the middle of the tool, an extrusion rod is slidably connected to the lower end of the positioning column, a sliding rod is slidably connected to the front end of the tool holder, a sliding rod is fixedly connected to the right end of the sliding rod, a card block is elastically connected to the inside of the sliding button through a spring, a U-shaped block is slidably connected to the side end of the card block, and a positioning rod is slidably connected to the middle of the U-shaped block.

[0007] As a further description of the above technical solution:

[0008] The shift assembly comprises a sliding block, a side end of the sliding block is fixedly connected with a stopper, and a lower end of the stopper is elastically connected to the inside of the side end of the tool holder through a second spring.

[0009] As a further description of the above technical solution:

[0010] The positioning assembly includes a bolt, the outer thread of the bolt is connected to a blade slot, the side end of the blade slot is fixedly connected to an L-shaped block, the lower part of the bolt is threadedly connected to the inside of the left end of the tool holder, the lower part of the blade slot is in contact with the upper part of the left end of the tool holder, and the outer part of the L-shaped block is slidably connected to the inside of the upper end of the tool holder.

[0011] As a further description of the above technical solution:

[0012] The lower part of the tool is in contact with the upper part of the left end of the tool holder, the lower part of the positioning column is slidably connected to the inside of the left end of the tool holder, and the outer part of the extrusion rod is slidably connected to the inside of the lower end of the tool holder.

[0013] As a further description of the above technical solution:

[0014] The right end of the slide button is slidably connected to the front end of the tool holder, the outside of the clamping block is slidably connected to the front end of the tool holder, one end of the spring one is fixedly connected to the inside of the slide button, and the other end of the spring one is fixedly connected to the left end of the clamping block.

[0015] As a further description of the above technical solution:

[0016] The rear part of the U-shaped block is slidably connected to the inside of the side end of the slide button, and the upper and lower ends of the positioning rod are fixedly connected to the inside of the side end of the slide button.

[0017] As a further description of the above technical solution:

[0018] The outside of the slide block is slidably connected to the inside of the side end of the tool holder.

[0019] As a further description of the above technical solution:

[0020] The side end of the stopper is in contact with the side end of the L-shaped block, the lower end of the second spring is fixedly connected to the front end of the tool holder, and the other end of the second spring is fixedly connected to the outside of the lower end of the stopper.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the sliding button can slide and drive the sliding rod to slide by squeezing the U-shaped block. The sliding rod slides and squeezes the squeezing rod so that the sliding column can slide into and be fixed inside the tool holder, so that the tool is clamped and fixed, which increases the convenience of disassembly and installation of the tool.

[0023] 2. In the utility model, the L-shaped block can be fixed inside the upper end of the tool holder by the stopper, which is convenient for positioning and fixing the blade slot and preventing the blade slot from falling due to bolt failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is an overall schematic diagram of a CNC blade positioning mechanism proposed by the utility model;

[0025] Figure 2 A schematic diagram of a blade slot of a CNC blade positioning mechanism proposed by the utility model;

[0026] Figure 3 A schematic cross-sectional view of a tool holder of a numerically controlled blade positioning mechanism proposed by the utility model;

[0027] Figure 4 This is a cross-sectional schematic diagram of a slide button of a numerically controlled blade positioning mechanism proposed by the utility model;

[0028] Figure 5 The utility model is a schematic diagram of a stopper of a numerical control blade positioning mechanism.

[0029] Legend:

[0030] 1. Tool holder; 2. Bolt; 3. Blade slot; 4. Positioning column; 5. Tool; 6. Slide button; 7. U-shaped block; 8. L-shaped block; 9. Extrusion rod; 10. Sliding rod; 11. Spring 1; 12. Positioning rod; 13. Block; 14. Stop block; 15. Sliding block; 16. Spring 2. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1-Figure 2The utility model provides an embodiment: a CNC blade positioning mechanism, including a tool holder 1, the tool holder 1 can support and fix a tool 5 and a positioning assembly, the upper left end of the tool holder 1 is fixedly threaded with a positioning assembly, the positioning assembly includes a bolt 2, the bolt 2 can fix a blade slot 3 on the upper left end of the tool holder 1, the outer thread of the bolt 2 is connected with the blade slot 3, the side end of the blade slot 3 is provided with an oblique groove to position the tool 5, the side end of the blade slot 3 is fixedly connected with an L-shaped block 8, the L-shaped block 8 can make the blade slot 3 quickly positioned and fixed, increasing the simplicity of installation of the blade slot 3, the bolt 2 The lower part is threadedly connected to the inside of the left end of the tool holder 1, and the tool holder 1 keeps the bolt 2 relatively fixed. The lower part of the blade slot 3 is in contact with the upper part of the left end of the tool holder 1, and the blade slot 3 is clamped by the tool holder 1 to keep it horizontally fixed. The outside of the L-shaped block 8 is slidably connected to the inside of the upper end of the tool holder 1, and the tool holder 1 can keep the L-shaped block 8 relatively fixed. The left end of the tool holder 1 is slidably connected with a gear assembly. The upper left end of the tool holder 1 is in contact with a tool 5, which is a blade body and is used to process metal materials. The lower part of the tool 5 is in contact with the upper part of the left end of the tool holder 1, and the tool 5 is supported by the tool holder 1 to keep it horizontally fixed.

[0033] Reference Figure 2-Figure 4 The middle of the tool 5 is slidably connected with a positioning column 4, which can support and clamp the tool 5 to be fixed relative to the tool holder 1. The lower part of the positioning column 4 is slidably connected to the left end of the tool holder 1. The positioning column 4 is limited by the tool holder 1 and can only slide vertically. The tool 5 can be easily disassembled and installed by sliding out the positioning column 4. The lower end of the positioning column 4 is slidably connected with an extrusion rod 9. The extrusion rod 9 is T-shaped and has an inclined surface at the front end. The inclined surface extrusion can enable the positioning column 4 to clamp the tool 5 on the tool holder 1. The outside of the extrusion rod 9 is slidably connected to the tool holder 1. Inside the lower end of the tool holder 1, the tool holder 1 limits the extrusion rod 9 to only slide horizontally and linearly. The front end of the tool holder 1 is slidably connected to a sliding rod 10. The sliding rod 10 can squeeze the air pressure so that the extrusion rod 9 can slide toward the lower end of the positioning column 4. The right end of the sliding rod 10 is fixedly connected to a sliding button 6. The sliding button 6 can drive the sliding rod 10 to slide and squeeze the air pressure inside the tool holder 1 so that the force of the extrusion rod 9 to squeeze the positioning column 4 is adjusted. The right end of the sliding button 6 is slidably connected to the front end of the tool holder 1. The tool holder 1 limits the sliding button 6 to only slide horizontally and linearly within a fixed distance.

[0034] Reference Figure 2-Figure 4The interior of the slide button 6 is elastically connected with a block 13 through a spring 11, and the block 13 can keep the slide button 6 fixed relative to the tool holder 1 and keep the internal extrusion rod 9 fixed under pressure. The outside of the block 13 is slidably connected to the front end of the tool holder 1, one end of the spring 11 is fixedly connected to the interior of the slide button 6, and the spring 11 extrusion can keep the block 13 fixed inside the side end of the tool holder 1, and the other end of the spring 11 is fixedly connected to the left end of the block 13. The side end of the block 13 is slidably connected with a U-shaped block 7, and the two ends of the U-shaped block 7 are inclined surfaces. The inclined surface extrusion can make the block 13 slide into the interior of the slide button 6, so that the slide button 6 can slide horizontally, and the rear part of the U-shaped block 7 is slidably connected to the inside of the side end of the slide button 6, and the middle interior of the U-shaped block 7 is slidably connected with a positioning rod 12, and the positioning rod 12 can keep the position of the U-shaped block 7 fixed relative to the slide button 6, and the upper and lower ends of the positioning rod 12 are fixedly connected to the inside of the side end of the slide button 6.

[0035] Reference Figure 3 and Figure 5 The gear assembly includes a slider 15, which can easily drive the stopper 14 to slide downward to replace the blade slot 3. The outer side of the slider 15 is slidably connected to the inside of the side end of the tool holder 1. The tool holder 1 limits the slider 15 to slide vertically only within a fixed distance. The side end of the slider 15 is fixedly connected with a stopper 14, which can keep the L-shaped block 8 fixed relative to the tool holder 1 so that it will not slide when the bolt 2 fails. The side end of the stopper 14 contacts the side end of the L-shaped block 8, and the lower end of the stopper 14 is elastically connected to the inside of the side end of the tool holder 1 through a spring 2 16. The extrusion of the spring 2 16 can make the stopper 14 block the L-shaped block 8 and keep it fixed. The lower end of the spring 2 16 is fixedly connected to the inside of the front end of the tool holder 1, and the other end of the spring 2 16 is fixedly connected to the outside of the lower end of the stopper 14.

[0036] Working principle: the sliding down makes the slider 15 slide down and drives the stopper 14 to slide down, the stopper 14 slides down to squeeze the spring 2 16, and then the L-shaped block 8 slides into the upper end of the tool holder 1, and then releases to squeeze the spring 2 16 to make the stopper 14 and the slider 15 slide up until they are restricted by the tool holder 1 and no longer slide, at this time the blade slot 3 is fixed to the upper end of the tool holder 1, and then the blade slot 3 is fixed to the tool holder 1 by the bolt 2, and then the tool 5 is slid into the side end inclined groove of the blade slot 3, and then the positioning column 4 is slid into the interior of the tool holder 1, and then the slide The inside of the button 6 slides into the U-shaped block 7, and the side end of the U-shaped block 7 is squeezed to make the block 13 slide into the inside of the sliding button 6 to squeeze the spring 11, and then the sliding button 6 is horizontally slid, and the sliding button 6 drives the sliding rod 10 to slide toward the direction of the tool 5. The sliding rod 10 slides and squeezes the air pressure to make the squeezing rod 9 slide, and the side end of the squeezing rod 9 squeezes the lower end of the positioning column 4 to clamp the tool 5, and then releases to make the spring 11 squeeze to make the block 13 slide into the side end of the tool holder 1. At this time, the U-shaped block 7 slides back to its original position under the squeezing of the block 13.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. A numerically controlled blade positioning mechanism, comprising a tool holder (1), characterized in that: The upper left end of the tool holder (1) is fixedly threadedly connected with a positioning assembly, the left end of the tool holder (1) is slidably connected with a shifting assembly, the upper left end of the tool holder (1) contacts a tool (5), the middle of the tool (5) is slidably connected with a positioning column (4), the lower end of the positioning column (4) is slidably connected with an extrusion rod (9), the front end of the tool holder (1) is slidably connected with a sliding rod (10), the right end of the sliding rod (10) is fixedly connected with a sliding button (6), the interior of the sliding button (6) is elastically connected with a clamping block (13) through a spring (11), the side end of the clamping block (13) is slidably connected with a U-shaped block (7), and the middle of the U-shaped block (7) is slidably connected with a positioning rod (12).

2. The CNC blade positioning mechanism according to claim 1, characterized in that: The shift assembly comprises a slide block (15), the side end of the slide block (15) is fixedly connected to a stop block (14), and the lower end of the stop block (14) is elastically connected to the inside of the side end of the tool holder (1) via a second spring (16).

3. The CNC blade positioning mechanism according to claim 1, characterized in that: The positioning assembly comprises a bolt (2), the outer thread of the bolt (2) is connected to a blade slot (3), the side end of the blade slot (3) is fixedly connected to an L-shaped block (8), the lower part of the bolt (2) is threadedly connected to the inside of the left end of the tool holder (1), the lower part of the blade slot (3) is in contact with the upper part of the left end of the tool holder (1), and the outer part of the L-shaped block (8) is slidably connected to the inside of the upper end of the tool holder (1).

4. The CNC blade positioning mechanism according to claim 1, characterized in that: The lower part of the tool (5) contacts the upper part of the left end of the tool holder (1), the lower part of the positioning column (4) is slidably connected to the inside of the left end of the tool holder (1), and the outer part of the extrusion rod (9) is slidably connected to the inside of the lower end of the tool holder (1).

5. The CNC blade positioning mechanism according to claim 1, characterized in that: The right end of the sliding button (6) is slidably connected to the interior of the front end of the knife holder (1), the outside of the clamping block (13) is slidably connected to the interior of the front end of the knife holder (1), one end of the spring 1 (11) is fixedly connected to the interior of the sliding button (6), and the other end of the spring 1 (11) is fixedly connected to the interior of the left end of the clamping block (13).

6. The CNC blade positioning mechanism according to claim 1, characterized in that: The rear part of the U-shaped block (7) is slidably connected to the inside of the side end of the slide button (6), and the upper and lower ends of the positioning rod (12) are fixedly connected to the inside of the side end of the slide button (6).

7. The CNC blade positioning mechanism according to claim 2, characterized in that: The outside of the slide block (15) is slidably connected to the inside of the side end of the tool holder (1).

8. The CNC blade positioning mechanism according to claim 2, characterized in that: The side end of the stopper (14) is in contact with the side end of the L-shaped block (8), the lower end of the second spring (16) is fixedly connected to the inside of the front end of the tool holder (1), and the other end of the second spring (16) is fixedly connected to the outside of the lower end of the stopper (14).

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