Milling cutter connecting piece of numerical control machine tool

Abstract

The utility model relates to the technical field of milling cutter connecting pieces, in particular to a numerical control machine tool milling cutter connecting piece which comprises a connecting base and a milling cutter body, a cylindrical connecting cylinder is integrally formed at the end of the connecting base, a threaded groove is formed in the end of the connecting cylinder, a circular groove used for installing a spring clamp is formed in the end of the connecting cylinder, and the milling cutter body is arranged in the circular groove. And an insertion hole is formed in the connecting cylinder. By arranging the auxiliary mechanism, the connecting cylinder and other structures, the extending length can be controlled according to the use requirement when the milling cutter body is inserted into the connecting cylinder, so that the milling cutter is more convenient to use, and the auxiliary mechanism can abut against the end part of the milling cutter body internally, so that the milling cutter cannot slide in the use process, and the service life of the milling cutter is prolonged. And when the milling cutter body is taken out, the milling cutter body can be ejected out through the auxiliary mechanism, and disassembly is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to milling cutter connecting piece technical field, especially a numerical control machine tool milling cutter connecting piece. BACKGROUND

[0002] Milling cutter is for milling processing, has one or more cutter teeth rotating cutter. When working, each cutter tooth cuts the excess of workpiece intermittently in turn. Milling cutter is mainly used in milling machine processing plane, step, groove, forming surface and cutting workpiece etc.

[0003] Milling cutter needs to be installed on the spindle of machine tool in use, is fixed on the spindle of machine tool by spring clamp and lock nut, but this kind of installation fixed mode makes the extension length of milling cutter fixed, cannot be adjusted, and when disassembling milling cutter, since milling cutter is inserted in the inside of spring clamp and is accompanied by long time use, when disassembling, it is inconvenient to pull out, inconvenient actual use. UTILITARIAN CONTENT

[0004] The utility model aims at providing a numerical control machine tool milling cutter connecting piece, solve the milling cutter in use needs to be installed on the spindle of machine tool, is fixed on the spindle of machine tool by spring clamp and lock nut, but this kind of installation fixed mode makes the extension length of milling cutter fixed, cannot be adjusted, and when disassembling milling cutter, since milling cutter is inserted in the inside of spring clamp and is accompanied by long time use, when disassembling, it is inconvenient to pull out, inconvenient actual use problem.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A numerical control machine tool milling cutter connecting piece, connecting seat and milling cutter body are connected, the end of the connecting seat is integrally formed with a cylindrical connecting barrel, the end of the connecting barrel is provided with a threaded groove, the end of the connecting barrel is provided with a circular groove for installing a spring clamp, the inside of the connecting barrel is provided with a plug hole, the end of the connecting barrel is threadedly connected with a lock nut for mutually adapting with the spring clamp to achieve the state of locking the spring clamp, the milling cutter body is inserted into the inside of the connecting barrel, and the inside of the connecting barrel is provided with an auxiliary mechanism for assisting the installation of the milling cutter body.

[0007] Preferably, the surface of the connecting seat is provided with a bolt for installing and fixing with the spindle of the machine tool.

[0008] Preferably, the auxiliary mechanism comprises a screw rod and a sliding block, the sliding block is fixedly installed at the end of the screw rod, the sliding block and the insertion hole are in sliding connection, an insertion slot is arranged in the inner portion of the connecting seat, the insertion slot and the insertion hole are in communication, the screw rod is inserted into the inner portion of the insertion slot, a transmission shaft is rotatably arranged in the inner portion of the connecting seat, a worm is fixedly sleeved on the surface of the transmission shaft, a sleeve is rotatably connected in the inner portion of the connecting seat, a worm wheel is fixedly sleeved on the surface of the sleeve, the worm and the worm wheel are in engagement, and the sleeve and the screw rod are in threaded connection.

[0009] Preferably, an installation slot is arranged in the inner portion of the connecting seat, the two ends of the transmission shaft are rotatably arranged in the installation slot, connecting heads are fixedly installed at the two ends of the transmission shaft, an inner hexagonal groove is arranged on the surface of the connecting head, and the sleeve and the worm wheel are arranged in the inner portion of the annular groove.

[0010] Preferably, a convex ridge is arranged on the inner wall of the insertion hole, and a long groove with a size matched with the convex ridge is arranged on the side wall of the sliding block and the side wall of the milling cutter body.

[0011] Preferably, the two connecting heads are embedded into the inner portion of the connecting seat.

[0012] The utility model at least has the following beneficial effects:

[0013] By arranging the auxiliary mechanism and the connecting cylinder, the length of the milling cutter body inserted into the connecting cylinder can be controlled according to the use requirement, so that the milling cutter is more convenient to use, the auxiliary mechanism can support the end portion of the milling cutter body in the inner portion, so that the milling cutter body cannot slide in use, and the milling cutter body can be pushed out by the auxiliary mechanism when the milling cutter body is taken out, so that the milling cutter body is convenient to disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the connecting seat sectional view of the utility model;

[0017] Figure 3 It is the utility model Figure 2 Disassembly drawing;

[0018] Figure 4 It is the utility model Figure 3Structure schematic view at middle A.

[0019] In the figure: 1, connecting seat; 2, bolt; 3, connecting cylinder; 4, mounting groove; 5, annular groove; 6, spring clamp; 7, locking nut; 8, milling cutter body; 9, sliding block; 10, screw rod; 11, worm wheel; 12, connecting head; 13, worm; 14, convex ridge; 15, transmission shaft; 16, insertion hole; 17, insertion slot; 18, sleeve. DETAILED DESCRIPTION

[0020] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0022] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second" and the like are only used to distinguish description, and cannot be understood as indicating or implying relative importance.

[0023] The electrical components appearing in the text are all electrically connected with the master controller and 220V mains, and the master controller can be a conventional known device such as a computer for control.

[0024] In the description of the embodiments of the utility model, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper" and the like are based on the directions or position relationships shown in the drawings, or the directions or position relationships commonly placed when the utility model product is used, which are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated devices or elements must have a particular direction, be constructed and operated in a particular direction, therefore, cannot be understood as limiting the utility model.

[0025] Reference Figures 1-4The utility model provides a numerical control machine tool milling cutter connecting piece, including connecting seat 1 and milling cutter body 8, the end of connecting seat 1 is integrally formed with cylindrical connecting barrel 3, the end of connecting barrel 3 is provided with thread groove, the end of connecting barrel 3 is provided with round slot for installing spring clamp 6, the inside of connecting barrel 3 is provided with insertion hole 16, the end of connecting barrel 3 is threadedly connected with lock nut 7 for mutually adapting with spring clamp 6 to reach the state of locking spring clamp 6, milling cutter body 8 is inserted in the inside of connecting barrel 3, the inside of connecting barrel 3 is provided with auxiliary mechanism for assisting the installation of milling cutter body 8, in use, connecting seat 1 is installed on the main shaft of machine tool, then milling cutter body 8 is inserted in the inside of connecting barrel 3, and milling cutter body 8 penetrates spring clamp 6, according to the use state of milling cutter, the length of penetration can be decided by the operator oneself, then the end of milling cutter body 8 is pushed against from the inside by auxiliary mechanism, finally the fixation of milling cutter body 8 is realized by lock nut 7 and spring clamp 6, wherein the fixation principle of spring clamp 6 and lock nut 7 to milling cutter belongs to the prior art, and will not be described in detail here, when it is needed to take out milling cutter body 8, spring clamp 6 can be loosened, and then auxiliary mechanism is used to push out milling cutter body 8 from connecting barrel 3 and spring clamp 6, so that disassembly is more convenient.

[0026] Further, the surface of the connecting seat 1 is provided with a bolt 2 for installing and fixing with the main shaft of the machine tool.

[0027] Further, the auxiliary mechanism includes a screw rod 10 and a sliding block 9, the sliding block 9 is fixedly installed at the end of the screw rod 10, the sliding block 9 is in sliding connection with the insertion hole 16, the inside of the connecting seat 1 is provided with an insertion slot 17, the insertion slot 17 is in communication with the insertion hole 16, the screw rod 10 is inserted in the inside of the insertion slot 17, a transmission shaft 15 is rotatably penetrated in the inside of the connecting seat 1, a worm 13 is fixedly sleeved on the surface of the transmission shaft 15, a sleeve 18 is rotatably connected in the inside of the connecting seat 1, a worm wheel 11 is fixedly sleeved on the surface of the sleeve 18, the worm 13 is in meshing connection with the worm wheel 11, the sleeve 18 is in screw connection with the screw rod 10, in use, the transmission shaft 15 is rotated, the transmission shaft 15 drives the worm 13 to rotate, the worm 13 drives the worm wheel 11 to rotate, the worm wheel 11 drives the sleeve 18 to rotate, the sleeve 18 is in screw connection with the screw rod 10, and the sliding block 9 is in sliding connection with the insertion hole 16, therefore the rotation of the sleeve 18 can drive the screw rod 10 and the sliding block 9 to slide, thereby conveniently pushing the milling cutter body 8 by the sliding block 9 or pushing out the milling cutter body 8, when the milling cutter body 8 is pushed against by the sliding block 9, the milling cutter body 8 will not slide, thereby controlling the length of penetration when the milling cutter body 8 is installed, and improving the use convenience.

[0028] Further, the inside of the connecting seat 1 is provided with a mounting groove 4, both ends of the transmission shaft 15 are rotatably penetrated through the mounting groove 4, both ends of the transmission shaft 15 are fixedly installed with the connecting head 12, the surface of the connecting head 12 is provided with an internal hexagonal groove, the inside of the connecting seat 1 is provided with an annular groove 5, the sleeve 18 and the worm wheel 11 are arranged in the inside of the annular groove 5, the rotation of the transmission shaft 15 can make the connecting head 12 rotate by using a screwdriver or other tools, and the transmission shaft 15 and the worm 13 are driven to rotate by the connecting head 12.

[0029] Further, the inner wall of the insertion hole 16 is provided with a convex ridge 14, the side wall of the sliding block 9 and the side wall of the milling cutter body 8 are both provided with a long groove matched with the size of the convex ridge 14, the convex ridge 14 can prevent the relative rotation of the milling cutter body 8 during use, and can also make the sliding block 9 and the screw rod 10 only move in the length direction.

[0030] Further, both connecting heads 12 are embedded into the inside of the connecting seat 1.

[0031] In summary, the connecting seat 1 is installed on the main shaft of the machine tool in use, then the milling cutter body 8 is inserted into the inside of the connecting cylinder 3, and the milling cutter body 8 penetrates through the spring clamp 6, the length of the milling cutter body 8 inserted into the inside of the connecting cylinder 3 can be determined by the operator according to the use state of the milling cutter, then the end of the milling cutter body 8 is pressed from the inside by using the auxiliary mechanism, finally the locking nut 7 and the spring clamp 6 are used to fix the milling cutter body 8, the fixing principle of the spring clamp 6 and the locking nut 7 to the milling cutter belongs to the prior art, and will not be described in detail here, when the milling cutter body 8 needs to be taken out, the spring clamp 6 is loosened, and then the milling cutter body 8 is pushed out of the connecting cylinder 3 and the spring clamp 6 by using the auxiliary mechanism, so that the disassembly is more convenient, in use, the transmission shaft 15 is rotated, the worm 13 is driven to rotate by the transmission shaft 15, the worm wheel 11 is driven to rotate by the worm 13, the sleeve 18 is driven to rotate by the worm wheel 11, the sleeve 18 and the screw rod 10 are in threaded connection, and the sliding block 9 and the insertion hole 16 are in sliding connection, therefore, the rotation of the sleeve 18 can drive the screw rod 10 and the sliding block 9 to slide, so as to conveniently push the milling cutter body 8 by using the sliding block 9 or push the milling cutter body 8 out, when the sliding block 9 pushes the milling cutter body 8, the milling cutter body 8 will not slide, so that the length of the milling cutter body 8 inserted into the inside of the connecting cylinder 3 can be controlled during installation, and the use convenience is improved, the rotation of the transmission shaft 15 can make the connecting head 12 rotate by using a screwdriver or other tools, and the transmission shaft 15 and the worm 13 are driven to rotate by the connecting head 12, the convex ridge 14 can prevent the relative rotation of the milling cutter body 8 during use, and can also make the sliding block 9 and the screw rod 10 only move in the length direction.

[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A connection of a milling tool to a numerically controlled machine tool, comprising a connection seat (1) and a milling tool body (8), characterized in that, The end of the connecting seat (1) is integrally provided with a cylindrical connecting barrel (3), the end of the connecting barrel (3) is provided with a thread groove, the end of the connecting barrel (3) is provided with a circular groove for mounting a spring clamp (6), the inside of the connecting barrel (3) is provided with a insertion hole (16), the end of the connecting barrel (3) is threadedly connected with a locking nut (7) for mutually adapting with the spring clamp (6) to achieve the state of locking the spring clamp (6), the milling cutter body (8) is inserted in the inside of the connecting barrel (3), and the inside of the connecting barrel (3) is provided with an auxiliary mechanism for assisting the installation of the milling cutter body (8).

2. A milling cutter attachment for a numerically controlled machine tool according to claim 1, characterised in that, The surface of the connecting seat (1) is provided with a bolt (2) for mounting and fixing with a machine tool spindle.

3. A milling tool attachment for a numerically controlled machine tool according to claim 1, characterized in that The auxiliary mechanism comprises a screw rod (10) and a sliding block (9), the sliding block (9) is fixedly installed at the end of the screw rod (10), the sliding block (9) is slidably connected with the insertion hole (16), the inside of the connecting seat (1) is provided with an insertion slot (17), the insertion slot (17) is communicated with the insertion hole (16), the screw rod (10) is inserted in the inside of the insertion slot (17), the inside of the connecting seat (1) is rotatably penetrated with a transmission shaft (15), the surface of the transmission shaft (15) is fixedly sleeved with a worm (13), the inside of the connecting seat (1) is rotatably connected with a sleeve (18), the surface of the sleeve (18) is fixedly sleeved with a worm wheel (11), the worm (13) is engaged with the worm wheel (11), and the sleeve (18) is threadedly connected with the screw rod (10).

4. A milling cutter attachment for a numerically controlled machine tool according to claim 3, characterised in that, The inside of the connecting seat (1) is provided with a mounting groove (4), both ends of the transmission shaft (15) are rotatably penetrated through the mounting groove (4), both ends of the transmission shaft (15) are fixedly installed with connecting heads (12), the surface of the connecting head (12) is provided with an internal hexagonal groove, the inside of the connecting seat (1) is provided with an annular groove (5), and the sleeve (18) and the worm wheel (11) are arranged in the inside of the annular groove (5).

5. A milling cutter attachment for a numerically controlled machine tool according to claim 3, characterised in that, The inner wall of the insertion hole (16) is provided with a convex rib (14), and the side wall of the sliding block (9) and the side wall of the milling cutter body (8) are both provided with a long groove matched with the size of the convex rib (14).

6. A milling cutter attachment for a numerically controlled machine tool according to claim 4, characterised in that, Both the connecting heads (12) are embedded into the inside of the connecting seat (1).

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