Indexable three-edge milling cutter capable of prolonging service life

Abstract

The utility model relates to the technical field of machining cutters, and discloses an indexable three-edge milling cutter capable of prolonging the service life, which comprises a mounting disc, a mounting cavity is formed in the mounting disc, a T-shaped block is fixedly mounted on the outer side of the mounting disc, a blade mechanism is arranged on the outer side of the T-shaped block, and the blade mechanism is arranged on the outer side of the T-shaped block. A fixing mechanism which extends to the outer side of the mounting disc and is connected with the blade mechanism in a clamped mode is arranged on the inner side of the mounting cavity, the blade mechanism comprises a mounting plate, the mounting plate attached to the mounting disc is movably mounted on the outer side of the T-shaped block, and cutter teeth are fixedly mounted on one side of the mounting plate. The indexable three-edge milling cutter capable of prolonging the service life is provided with a blade mechanism, a T-shaped block and a fixing mechanism, rectangular plates attached to the mounting disc are fixedly mounted at the two ends of cutter teeth correspondingly, and mounting grooves matched with the T-shaped block are formed in the side, close to the mounting disc, of the mounting plate. The purpose of prolonging the service life of the milling cutter by conveniently detaching and replacing a single blade is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing cutter technical field, concretely is a three fluted milling cutter of indexable that can improve service life. BACKGROUND

[0002] Through the retrieval, the patent publication No. CN209189887U discloses a three fluted milling cutter, including cutter head, positioning hole, cutter body, the positioning hole and cutter head are connected as a whole, cutter head is provided with a plurality of cutter body, the rear side of the cutting surface towards the cutting direction on the cutting surface of each cutter body is rear cutting surface, the side cutting surface of cutting surface is side cutting surface, the cutting surface and rear cutting surface or side cutting surface intersect, form at least one cutting edge, at least one inner composite cutting surface is provided on the cutting surface towards the cutting direction, the prior art in the above-mentioned has the following defects: in the use, the insert cannot be individually disassembled and replaced, when the cutting edge is seriously worn, the cutting edge needs to be polished and then used, the uneven cutting edge after polishing influences the machining of workpiece, reduces the service life of milling cutter, therefore an indexable three fluted milling cutter that can improve service life is proposed to solve the above-mentioned problems. SUMMARY

[0003] (I) technical problem solved

[0004] In view of the deficiencies in the prior art, the utility model provides an indexable three fluted milling cutter that can improve service life, which has the advantages of facilitating the disassembly and replacement of individual inserts to improve the service life of the milling cutter, and solves the problems mentioned in the above background art.

[0005] (II) technical scheme

[0006] To achieve the above-mentioned purpose of facilitating the disassembly and replacement of individual inserts to improve the service life of the milling cutter, the utility model provides the following technical scheme: an indexable three fluted milling cutter that can improve service life, comprising a mounting disc, an installation cavity is formed in the inside of the mounting disc, a T-shaped block is fixedly installed on the outside of the mounting disc, a blade mechanism is arranged on the outside of the T-shaped block, a fixing mechanism is arranged on the inside of the installation cavity and extends to the outside of the mounting disc and is connected with the blade mechanism;

[0007] The blade mechanism comprises an installation plate, the T-shaped block is movably installed with the installation plate which is attached to the mounting disc, a cutter tooth is fixedly installed on one side of the installation plate, rectangular plates are fixedly installed at both ends of the cutter tooth and are attached to the mounting disc, an installation groove is formed on the side of the installation plate close to the mounting disc and is matched with the T-shaped block.

[0008] Preferably, the fixing mechanism comprises support plates, two of which are fixedly installed on the inner side of the mounting cavity, the outer side of the support plates is slidably installed with a push plate in sliding connection with the inner wall of the mounting cavity, the side of the push plate close to the mounting plate is fixedly installed with two clamping plates extending to the outer side of the mounting disc, the clamping plates are clamped with the mounting plate, the side of the push plate away from the mounting plate is fixedly installed with a fixing spring in fixed connection with the inner wall of the mounting cavity, the inner bottom wall of the mounting cavity is fixedly installed with a mounting frame, the inner side of the mounting frame is slidably installed with a sliding block in fixed connection with the push plate, the side of the sliding block is fixedly installed with a connecting plate extending to the top of the mounting disc, and the side of the connecting plate is fixedly installed with a pull ring.

[0009] Preferably, the inside of the rectangular plate is provided with a rectangular hole, and the size of the rectangular hole is matched with that of the clamping plate.

[0010] Preferably, the side wall close to the push plate of the mounting frame is designed as an opening, and the inner top wall of the mounting frame is designed as an opening.

[0011] Preferably, the outside of the pull ring is wrapped with a sponge sleeve, the top of the mounting disc is provided with a strip hole in communication with the inner top wall of the mounting cavity, and the size of the strip hole is matched with the moving track of the connecting plate.

[0012] Preferably, the inside of the push plate is provided with two limiting holes, and the size of the limiting holes is matched with that of the support plates.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a three edge milling cutter of indexable which can improve the service life, has the following beneficial effects:

[0015] The three edge milling cutter of indexable which can improve the service life, through setting blade mechanism, T type piece and fixing mechanism, when the tooth appears abrasion, can dismantle and replace new tooth with single blade mechanism, and then improve the service life, through pull ring drive connecting plate makes the sliding block slide in mounting frame, sliding block pull push plate and compress fixed spring, make push plate drive clamping plate move, remove the fixed of clamping plate to rectangular plate, can make installation plate move up and make it separate from T type piece, complete the tooth dismounting, then change new blade mechanism, make installation plate clamp in the outside of T type piece, loosen pull ring can remove the limit to sliding block, the tension of fixed spring promotes push plate and clamping plate reset, make clamping plate fixed to rectangular plate, complete the installation of new blade mechanism, realize the purpose of convenient dismounting and replacing single blade and improving the service life of milling cutter. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure perspective view of the utility model;

[0017] Figure 2 It is the bottom perspective view of the utility model;

[0018] Figure 3 It is the partial structure explosion drawing of the utility model;

[0019] Figure 4 It is the partial sectional structure perspective view of the utility model;

[0020] Figure 5 It is the partial structure explosion drawing of the utility model.

[0021] In the figure: 1 installation disc, 2 T block, 3 blade mechanism, 31 mounting plate, 32 cutter tooth, 33 rectangular plate, 34 installation slot, 4 installation cavity, 5 fixing mechanism, 51 support plate, 52 push plate, 53 clamping plate, 54 fixed spring, 55 installation frame, 56 sliding block, 57 connecting plate, 58 pull ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a three-flank milling cutter of indexable that can improve service life, including installation disc 1, installation cavity 4 is set in the inside of installation disc 1, T block 2 is fixedly installed on the outside of installation disc 1, the number of T block 2 is twelve and it is annularly equidistant distribution, T block 2 outside is provided with blade mechanism 3, the inside of installation cavity 4 is provided with fixed mechanism 5 extending to the outside of installation disc 1 and being clamped with blade mechanism 3.

[0024] Blade mechanism 3 includes mounting plate 31, T block 2 outside is movably installed with the mounting plate 31 that is attached to installation disc 1, the number of mounting plate 31 is twelve and it is annularly equidistant distribution, one side of mounting plate 31 is fixedly installed with cutter tooth 32, both ends of cutter tooth 32 are fixedly installed with rectangular plate 33 that is attached to installation disc 1, the side of mounting plate 31 close to installation disc 1 is provided with installation slot 34 that is compatible with T block 2, installation slot 34 is designed as T type.

[0025] The fixing mechanism 5 comprises a support plate 51, two support plates 51 are fixedly installed on the inner side of the installation cavity 4, a push plate 52 in sliding connection with the inner wall of the installation cavity 4 is slidingly installed on the outer side of the support plate 51, the support plate 51 provides stable support for the movement of the push plate 52, two clamping plates 53 extending to the outer side of the installation disc 1 are fixedly installed on the side of the push plate 52 close to the installation plate 31, a through hole in communication with the inner wall of the installation cavity 4 is formed in the T-shaped block 2, the size of the through hole is matched with the clamping plate 53, the clamping plate 53 is clamped with the installation plate 31, a fixing spring 54 fixedly connected with the inner wall of the installation cavity 4 is fixedly installed on the side of the push plate 52 away from the installation plate 31, the elastic coefficient of the fixing spring 54 can be set according to requirements, an installation frame 55 is fixedly installed on the inner bottom wall of the installation cavity 4, a sliding block 56 fixedly connected with the push plate 52 is slidingly installed on the inner side of the installation frame 55, the installation frame 55 is provided to ensure the stability of the sliding block 56 during movement, a connecting plate 57 extending to the top of the installation disc 1 is fixedly installed on one side of the sliding block 56, and a pull ring 58 is fixedly installed on one side of the connecting plate 57.

[0026] A rectangular hole is formed in the rectangular plate 33, the size of the rectangular hole is matched with the clamping plate 53, the inner wall of the installation frame 55 close to the push plate 52 is designed as an opening, the inner top wall of the installation frame 55 is designed as an opening, the outer side of the pull ring 58 is wrapped with a sponge sleeve, comfortable gripping feeling is provided, the user is facilitated to operate, a strip hole in communication with the inner top wall of the installation cavity 4 is formed in the top of the installation disc 1, the size of the strip hole is matched with the movement track of the connecting plate 57, and two limiting holes are formed in the push plate 52, the size of the limiting holes is matched with the support plate 51.

[0027] In use, the fixing mechanism 5 is used for firmly fixing the blade mechanism 3 on the installation disc 1, so that movement or falling off of the blade mechanism 3 during cutting is prevented.

[0028] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0029] In summary, the service life improvable indexable three-fluted milling cutter, by setting the blade mechanism 3, T-shaped block 2 and fixing mechanism 5, when the cutter tooth 32 appears wear, the single blade mechanism 3 can be disassembled and replaced with new cutter tooth 32, thereby improving the service life, the connecting plate 57 is driven by the pull ring 58 to make the sliding block 56 slide in the mounting frame 55, the sliding block 56 pulls the push plate 52 to move and compresses the fixing spring 54, so that the push plate 52 drives the clamping plate 53 to move, the fixing of the clamping plate 53 to the rectangular plate 33 is released, the mounting plate 31 can be moved upwards to make it separate from the T-shaped block 2, the disassembly of the cutter tooth 32 is completed, then the new blade mechanism 3 is replaced, the mounting plate 31 is clamped on the outside of the T-shaped block 2, the pull ring 58 is loosened to release the limiting of the sliding block 56, the tension of the fixing spring 54 drives the push plate 52 and the clamping plate 53 to reset, so that the clamping plate 53 fixes the rectangular plate 33, the installation of the new blade mechanism 3 is completed, the purpose of facilitating the disassembly and replacement of the single blade to improve the service life of the milling cutter is realized, and the problem that the single blade cannot be disassembled and replaced in the use process, the cutting edge needs to be polished after the cutting edge is seriously worn, and the uneven polished cutting edge affects the machining of the machined part, and the service life of the milling cutter is reduced is solved.

[0030] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A three-flank indexable milling cutter with improved service life, comprising a mounting disc (1), the inside of the mounting disc (1) being provided with a mounting cavity (4), characterized in that: The outer side of the installation disc (1) is fixedly provided with a T-shaped block (2), the outer side of the T-shaped block (2) is provided with a blade mechanism (3), and the inner side of the installation cavity (4) is provided with a fixing mechanism (5) extending to the outer side of the installation disc (1) and being clamped with the blade mechanism (3); The blade mechanism (3) comprises an installation plate (31), the outer side of the T-shaped block (2) is movably provided with the installation plate (31) abutting the installation disc (1), one side of the installation plate (31) is fixedly provided with a blade tooth (32), both ends of the blade tooth (32) are fixedly provided with a rectangular plate (33) abutting the installation disc (1), and one side of the installation plate (31) close to the installation disc (1) is provided with an installation groove (34) matched with the T-shaped block (2).

2. The indexable three-fluted milling cutter with improved service life according to claim 1, characterized in that: The fixing mechanism (5) comprises a support plate (51), the inner side of the installation cavity (4) is fixedly provided with two support plates (51), the outer side of the support plate (51) is slidably provided with a push plate (52) slidably connected with the inner wall of the installation cavity (4), one side of the push plate (52) close to the installation plate (31) is fixedly provided with two clamping plates (53) extending to the outer side of the installation disc (1), the clamping plates (53) are clamped with the installation plate (31), one side of the push plate (52) away from the installation plate (31) is fixedly provided with a fixing spring (54) fixedly connected with the inner wall of the installation cavity (4), the inner bottom wall of the installation cavity (4) is fixedly provided with an installation frame (55), the inner side of the installation frame (55) is slidably provided with a sliding block (56) fixedly connected with the push plate (52), one side of the sliding block (56) is fixedly provided with a connecting plate (57) extending to the top of the installation disc (1), one side of the connecting plate (57) is fixedly provided with a pull ring (58).

3. The indexable three-fluted milling cutter with improved service life according to claim 2, characterized in that: The inner side of the rectangular plate (33) is provided with a rectangular hole, and the size of the rectangular hole is matched with the clamping plate (53).

4. The indexable three-flank cutter with improved service life according to claim 2, characterized in that: The inner wall of one side of the installation frame (55) close to the push plate (52) is designed as an opening, and the inner top wall of the installation frame (55) is designed as an opening.

5. The indexable three-fluted milling cutter according to claim 2, characterized in that: The outer side of the pull ring (58) is wrapped with a sponge sleeve, the top of the installation disc (1) is provided with a strip hole communicating with the inner top wall of the installation cavity (4), and the size of the strip hole is matched with the movement track of the connecting plate (57).

6. The indexable three-fluted milling cutter with improved service life according to claim 2, characterized in that: The inner side of the push plate (52) is provided with two limiting holes, and the size of the limiting hole is matched with the support plate (51).

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