Straight rod rough milling cutter convenient to lock

Abstract

The utility model belongs to the technical field of milling cutters, and particularly relates to a straight-bar rough milling cutter convenient to lock, aiming at the problem of unstable connection in the prior art, the straight-bar rough milling cutter convenient to lock comprises a connecting end, a chuck is fixed below the connecting end, a cutter bar penetrates out of the interior of the chuck, and a locking mechanism is arranged outside the cutter bar; the locking mechanism comprises a rotating ring, the rotating ring is rotationally connected to the outer wall of the chuck, a penetrating ring is fixed to the end, penetrating into the chuck, of the rotating ring, and a miniature roller is fixed to the outer wall, facing the chuck, of the penetrating ring. When the cutter bar chuck drives the cutter bar to rotate, the cutter bar penetrates into the ring through the inner portion of the rotating ring and rotates through the micro rolling wheel, the stability of the cutter bar during rotation is kept, and meanwhile loosening or shaking is avoided through locking.

Description

TECHNICAL FIELD

[0001] The utility model relates to a straight rod rough milling cutter, in particular to a straight rod rough milling cutter convenient to lock, belongs to technical milling cutter field. BACKGROUND

[0002] Milling cutter is a kind of cutter frequently used by people in industrial processing, and people select different milling cutters according to different materials and working conditions and fix them on machine tool.

[0003] In the prior art, as disclosed in the rough machining milling cutter with the announcement number CN218694253U, the cutter blade can select PCD blade, and the cutter bar selects hard alloy cutter bar, compared with hard alloy cutter, because the PCD material blade has high temperature red hardness and good wear resistance, also has strong thermal shock resistance and anti-adhesion, can adapt to the environment of dry cutting, so the rough machining milling cutter does not need to add cutting fluid in the machining process, can guarantee completely green production, does not cause any pollution and damage to natural environment.

[0004] However, in the implementation of the related technology, it is found that the above-mentioned design of the rough machining milling cutter has the following problems: in the prior art, the material is used to improve the applicability of the milling cutter, but in the specific use process, the rough milling cutter head is wide, so the stress is large in the turning process, which may affect the stability of the connection, therefore, a straight rod rough milling cutter convenient to lock is provided to overcome the above-mentioned defects. UTILITY MODEL CONTENTS

[0005] The utility model provides a straight rod rough milling cutter convenient to lock to solve the problem that the rough milling cutter head is wide, so the stress is large in the turning process, which may affect the stability of the connection.

[0006] The utility model realizes the above-mentioned purpose through the following technical scheme: a straight rod rough milling cutter convenient to lock, including the connecting end, the lower part of connecting end is fixed with chuck, and the inside of chuck is passed with cutter bar, the outside of cutter bar is provided with locking mechanism;

[0007] The locking mechanism includes rotating ring, the outer wall of rotating ring is rotatably connected in chuck, and the one end of rotating ring is fixed with penetration ring, the outer wall of penetration ring is fixed with micro-roller towards chuck, the outer wall of rotating ring is provided with setting groove, and the inside of setting groove is rotatably connected with rotating rod, the one end of rotating rod away from setting groove is sleeved with sleeve, and the one end of rotating rod penetrating sleeve is fixed with spring, the bottom of sleeve is fixed with clamping block, the position of cutter bar outer wall corresponding clamping block is provided with clamping groove.

[0008] As a further scheme of the utility model: the rotating ring forms a rotating structure between the penetration ring and the chuck, and the rotating ring is closely attached to the chuck.

[0009] As a further scheme of the utility model: the rotating ring constitutes a rotating structure through the arranging groove and the rotating rod, and the rotating rod constitutes a sliding structure with the sleeve.

[0010] As a further scheme of the utility model: the external lower portion of the cutter bar is provided with a abutting mechanism, the abutting mechanism comprises an abutting ring, the abutting ring is sleeved below the cutter bar outer wall clamping groove, and the abutting ring outer wall is provided with an abutting groove corresponding to the position of the clamping block.

[0011] As a further scheme of the utility model: the abutting mechanism further comprises a connecting rod, the connecting rod is fixed at the bottom end of the abutting ring, and a universal wheel is connected below the connecting rod, the external portion of the connecting rod is provided with a sleeve ring, and the sleeve ring inner wall is provided with a sliding groove corresponding to the position of the universal wheel.

[0012] As a further scheme of the utility model: the abutting ring constitutes a clamping structure through the abutting groove and the clamping block, and the abutting ring is closely attached to the sleeve.

[0013] As a further scheme of the utility model: the sleeve ring is screwed with the cutter bar, and the sleeve ring constitutes a sliding structure through the sliding groove and the universal wheel.

[0014] The utility model discloses the beneficial effect is: rotating ring passes through arranging groove and support shaft, lets rotating rod rotate, simultaneously pulls sleeve and lets spring stretch, makes clamping block wear into card slot and then loosens, thereby lets the link between rotating ring and cutter bar, when cutter bar chuck drives rotation, passes through rotating ring inside and wears into ring and carries out rotation through microtubule gyro wheel, keeps the stability when cutter bar rotates, simultaneously locks and avoids appearing loose or shaking, and the sleeve ring is screwed, thereby jacking abutting ring, makes abutting groove to clamping block and simultaneously makes abutting ring abut and press the sleeve further improves stability, and the abutting ring passes through connecting rod and universal wheel, slides along the sliding groove of sleeve ring, thereby avoids when sleeve ring rotates, abutting groove and clamping block misplacement or limit and lead to unable clamping. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic view of the utility model;

[0016] Figure 2 It is chuck structure schematic view of the utility model;

[0017] Figure 3 It is wear into ring structure schematic view of the utility model;

[0018] Figure 4 It is spring structure schematic view of the utility model;

[0019] Figure 5 It is sliding groove structure schematic view of the utility model.

[0020] In the diagram: 1. Connecting end; 2. Chuck; 3. Tool holder; 4. Locking mechanism; 401. Rotating ring; 402. Insertion ring; 403. Miniature roller; 404. Mounting groove; 405. Rotating rod; 406. Spring; 407. Sleeve; 408. Locking block; 409. Locking groove; 5. Abutting mechanism; 501. Abutting ring; 502. Abutting groove; 503. Connecting rod; 504. Caster wheel; 505. Collar; 506. Sliding groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0022] like Figures 1 to 5 As shown, a straight shank roughing cutter that is easy to lock includes a connecting end 1, a chuck 2 fixed below the connecting end 1, a cutter shank 3 extending through the inside of the chuck 2, and a locking mechanism 4 provided outside the cutter shank 3; the locking mechanism 4 includes a rotating ring 401, which is rotatably connected to the outer wall of the chuck 2, an inserting ring 402 fixed at one end of the rotating ring 401 that passes through the chuck 2, a miniature roller 403 fixed at the inserting ring 402 facing the outer wall of the chuck 2, a mounting groove 404 formed on the outer wall of the rotating ring 401, a rotating rod 405 rotatably connected inside the mounting groove 404, a sleeve 407 sleeved at the end of the rotating rod 405 away from the mounting groove 404, a spring 406 fixed at the end of the rotating rod 405 that passes through the sleeve 407, and a locking block 408 fixed at the bottom end of the sleeve 407, corresponding to the outer wall of the cutter shank 3. A slot 409 is provided at the position of the locking block 408. The rotating ring 401 forms a rotating structure with the chuck 2 through the insert ring 402. The rotating ring 401 and the chuck 2 are in close contact. The rotating ring 401 forms a rotating structure with the rotating rod 405 through the mounting groove 404. The rotating rod 405 and the sleeve 407 form a sliding structure. The rotating ring 401 rotates the rotating rod 405 through the mounting groove 404 and the support shaft. At the same time, it pulls the sleeve 407 to stretch the spring 406, so that the locking block 408 enters the slot 409 and then releases, thereby connecting the rotating ring 401 and the tool bar 3. When the tool bar 3 is driven to rotate by the chuck 2, it rotates through the insert ring 402 inside the rotating ring 401 and through the miniature roller 403, maintaining the stability of the tool bar 3 when rotating, and locking to prevent loosening or shaking. Example 2

[0023] In addition to comprising all the technical features in embodiment one, the embodiment comprises: a resistance mechanism 5 is arranged below the outer part of the cutter bar 3, the resistance mechanism 5 comprises a resistance ring 501, the resistance ring 501 is sleeved below the outer wall clamping groove 409 of the cutter bar 3, resistance grooves 502 are arranged on the outer wall of the resistance ring 501 corresponding to the positions of the clamping blocks 408, the resistance mechanism 5 further comprises a connecting rod 503, the connecting rod 503 is fixed at the bottom end of the resistance ring 501, universal wheels 504 are connected below the connecting rod 503, a sleeve ring 505 is arranged on the outer part of the connecting rod 503, sliding grooves 506 are arranged on the inner wall of the sleeve ring 505 corresponding to the positions of the universal wheels 504, the resistance ring 501 and the clamping blocks 408 form a clamping structure through the resistance grooves 502, the resistance ring 501 is closely attached to the sleeve 407, the sleeve ring 505 is threadedly connected with the cutter bar 3, and the sleeve ring 505 and the universal wheels 504 form a sliding structure through the sliding grooves 506; the sleeve ring 505 is screwed to lift the resistance ring 501, the resistance grooves 502 clamp the clamping blocks 408, and the resistance ring 501 simultaneously presses and tightens the sleeve 407 to further improve the stability, and the resistance ring 501 slides along the sliding grooves 506 of the sleeve ring 505 through the connecting rod 503 and the universal wheels 504, so that the resistance grooves 502 and the clamping blocks 408 cannot be clamped due to misalignment or limitation when the sleeve ring 505 rotates.

[0024] Working principle: the chuck 2 is connected with the machine tool through the connecting end 1, simultaneously clamps the cutter bar 3 to perform turning work, the rotating ring 401 is rotatably connected with the chuck 2 through the penetrating ring 402, and the rotating fluency is improved through the micro roller 403, simultaneously, the rotating ring 401 allows the rotating rod 405 to rotate through the arrangement groove 404 and the supporting shaft, elastically pulls the sleeve 407 through the spring 406, and allows the clamping block 408 to penetrate into the clamping groove 409 of the cutter bar 3 to clamp, so that the cutter bar 3 can be stably rotated and the locking effect is achieved to avoid shaking, the sleeve ring 505 is rotated to lift the resistance ring 501 upwards, the resistance grooves 502 clamp the clamping blocks 408, and the resistance ring 501 further plays a role in stability by abutting against the bottom end of the sleeve 407, the resistance ring 501 is clamped and rotated along the sliding grooves 506 of the sleeve ring 505 through the universal wheels 504 fixed at the bottom end of the resistance ring 501 through the connecting rod 503, so that misalignment of the resistance grooves 502 clamping the clamping blocks 408 is avoided.

[0025] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the foregoing description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims to which they belong.

[0026] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A straight shank roughing cutter that is easy to lock, comprising a connecting end (1), characterized in that: A chuck (2) is fixed below the connecting end (1), and a blade (3) extends through the inside of the chuck (2). A locking mechanism (4) is provided on the outside of the blade (3). The locking mechanism (4) includes a rotating ring (401), which is rotatably connected to the outer wall of the chuck (2). One end of the rotating ring (401) that passes through the chuck (2) is fixed with an insertion ring (402). A miniature roller (403) is fixed to the outer wall of the insertion ring (402) facing the chuck (2). A mounting groove (404) is provided on the outer wall of the rotating ring (401). A rotating rod (405) is rotatably connected inside the mounting groove (404). A sleeve (407) is sleeved on the end of the rotating rod (405) away from the mounting groove (404). A spring (406) is fixed on the end of the rotating rod (405) that passes through the sleeve (407). A locking block (408) is fixed at the bottom end of the sleeve (407). A locking groove (409) is provided on the outer wall of the knife bar (3) at the position corresponding to the locking block (408).

2. The straight bar roughing cutter for easy locking according to claim 1, characterized in that: The rotating ring (401) forms a rotating structure with the chuck (2) through the insert ring (402), and the rotating ring (401) and the chuck (2) are closely fitted.

3. A straight shank roughing cutter for easy locking according to claim 1, characterized in that: The rotating ring (401) forms a rotating structure with the rotating rod (405) through the mounting groove (404), and the rotating rod (405) forms a sliding structure with the sleeve (407).

4. A straight shank roughing cutter for easy locking according to claim 1, characterized in that: A contact mechanism (5) is provided on the lower outer side of the tool bar (3). The contact mechanism (5) includes a contact ring (501). The contact ring (501) is sleeved on the lower side of the slot (409) on the outer wall of the tool bar (3), and a contact groove (502) is provided on the outer wall of the contact ring (501) at the position corresponding to the slot (408).

5. A straight shank roughing cutter for easy locking according to claim 4, characterized in that: The abutting mechanism (5) further includes a connecting rod (503), which is fixed to the bottom end of the abutting ring (501). A caster wheel (504) is connected to the bottom of the connecting rod (503). A collar (505) is provided on the outside of the connecting rod (503), and a sliding groove (506) is provided on the inner wall of the collar (505) corresponding to the position of the caster wheel (504).

6. A straight shank roughing cutter for easy locking according to claim 4, characterized in that: The abutment ring (501) forms an engaging structure with the locking block (408) through the abutment groove (502), and the abutment ring (501) is tightly fitted with the sleeve (407).

7. A straight shank roughing cutter for easy locking according to claim 5, characterized in that: The collar (505) is threadedly connected to the tool holder (3), and the collar (505) forms a sliding structure with the universal wheel (504) through the sliding groove (506).

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