Coated cutter with scratch-proof structure

Abstract

The utility model belongs to the technical field of coating cutters, particularly relates to a coating cutter with a scratch-proof structure, and aims to solve the problem of scratch caused by deflection in the prior art, the coating cutter with the scratch-proof structure comprises a clamping rod, a cutter bar is fixed at the top end of the clamping rod, and a connecting mechanism is arranged outside the cutter bar; the connecting mechanism comprises a fixing ring, the fixing ring is fixed to the outer wall of the cutter bar, a limiting ring is fixed to the outer wall of the fixing ring, the rotating ring drives the limiting rod to rotate along the limiting ring through fixing of the fixing ring, and therefore the connecting ring drives the supporting rod to rotate along with the cutter bar to achieve the supporting effect; scratches caused by collision between the non-cutting-edge part of the cutter and an object due to the deviation condition are avoided, the sleeve is screwed so that the sliding block can rotate along the positioning ring, the positioning ring can drive the limiting hole to be arranged on the limiting rod penetrating through the connecting ring in a sleeving mode, pressing is conducted, and the stability of the connecting ring and the stability of the supporting rod are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coating tool, concretely is a coating tool with scratchproof structure belongs to coating tool technical field. BACKGROUND

[0002] Coating tool is prepared on the surface of hard alloy or high speed steel (HSS) base with good strength and toughness, using gas deposition method to coat a thin layer of refractory metal or nonmetallic compound (also can be coated on ceramic, diamond and cubic boron nitride and other superhard material blade) and is prepared, coating tool has become the symbol of modern cutting tool, and the use proportion in cutting tool has exceeded 50%.

[0003] In the prior art, such as the one disclosed in the publication No. CN217948243U, a tool coating structure with scratchproof structure is provided, which comprises a first adhesive layer bonded to the upper and lower surfaces of the tool body, a corrosion-resistant layer provided on one side surface of the second adhesive layer, a waterproof layer provided on one side surface of the corrosion-resistant layer, a second scratchproof layer provided on one side surface of the waterproof layer above the tool body, and a cutting layer provided on one side surface of the waterproof layer below the tool body. The cutting layer is a high-molecular ceramic polymer wear-resistant coating. First adhesive layers are bonded to the four side surfaces of the tool body, a corrosion-resistant layer is provided on one side surface of each first adhesive layer, a waterproof layer is provided on one side surface of each corrosion-resistant layer, a PVD layer is provided on one side surface of each waterproof layer, and a first scratchproof layer is provided on one side surface of each PVD layer. The entire tool coating mechanism has scratchproof effect.

[0004] However, in the implementation of the related technology, it is found that the above-mentioned design of a tool coating structure with scratchproof structure has the following problems: in the prior art, the form of wear-resistant coating is usually provided to improve the wear-resistant effect and play the scratchproof function. However, in actual use, the contact with the object is always at the cutting edge. When the machining process deviates or is misaligned, the non-cutting edge of the tool may collide with the object, resulting in scratches. Therefore, a coating tool with scratchproof structure is provided to overcome the above-mentioned defects. SUMMARY

[0005] The utility model provides a coating tool with scratchproof structure to solve the technical problem of scratches caused by the collision between the non-cutting edge of the tool and the object when the machining process deviates or is misaligned.

[0006] The utility model realizes the above-mentioned purpose through the following technical scheme: a coating tool with scratchproof structure, comprising a clamping rod, the top end of the clamping rod is fixed with a tool bar, and the outside of the tool bar is provided with a connecting mechanism.

[0007] The connecting mechanism comprises a fixing ring fixed to the outer wall of the cutter bar, an outer wall of the fixing ring is fixed with a limiting ring, an outer portion of the limiting ring is rotationally connected with a rotating ring, a bottom end of the rotating ring is fixed with a limiting rod, an outer wall of the limiting rod is sleeved with a connecting ring, and a bottom end of the connecting ring is fixed with a supporting rod.

[0008] As a further scheme of the utility model: the connecting mechanism further comprises a sleeve, the sleeve is slidably connected below the connecting ring of the outer wall of the cutter bar, a top end of the sleeve is fixed with a sliding block, an upper portion of the sliding block is slidably connected with a positioning ring, and a limiting hole is formed in the top end of the positioning ring corresponding to the position of the limiting rod.

[0009] As a further scheme of the utility model: a rotating structure is formed between the limiting ring and the rotating ring, and the rotating ring is closely attached to the connecting ring.

[0010] As a further scheme of the utility model: the sleeve is threadedly connected with the cutter bar, and a rotating structure is formed between the sleeve and the positioning ring through the sliding block.

[0011] As a further scheme of the utility model: a supporting mechanism is arranged below the supporting rod, the supporting mechanism comprises a penetrating rod, the penetrating rod penetrates the bottom end of the supporting rod, a threaded portion is arranged on the outer wall of the penetrating rod at one end of the supporting rod, and the outer wall of the penetrating rod is sleeved with a connecting block.

[0012] As a further scheme of the utility model: the supporting mechanism further comprises a damping spring, the damping spring is embedded in the interior of the penetrating rod, a bottom end of the damping spring is connected with a contact rod, and a universal wheel is connected below the contact rod.

[0013] As a further scheme of the utility model: an elastic structure is formed between the contact rod and the penetrating rod through the damping spring, and the penetrating rod is threadedly connected with the connecting block.

[0014] The utility model discloses the beneficial effect is: through the fixation of the fixing ring, let the rotating ring drive the limiting rod rotate along the limiting ring, thereby let the connecting ring drive the supporting rod rotate with the cutter bar and play the supporting effect, avoid the situation that the deviation occurs and cause the scratch of the collision of the non-blade part of the cutter and the object, twist the sleeve to thereby rotate along the positioning ring through the sliding block, thereby can let the positioning ring drive the limiting hole to be sleeved with the limiting rod of the penetrating connecting ring, and be pressed tightly and further improve the stability of the connecting ring and the supporting rod, according to the drilling distance of the processed object, adjust the penetrating distance of the penetrating rod through the threaded portion, and rotate the connecting block and touch one side of the supporting rod, thereby improve the stability, through the elastic expansion of the damping spring to thereby push the contact rod and let the universal wheel slide and touch the object, thereby play the stability and avoid the deviation, and the distance of the elastic contraction of the damping spring is the drilling distance of the reserved cutter. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is a limiting ring structure schematic view of the utility model;

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

[0018] Figure 4 It is a thread part structure schematic view of the utility model;

[0019] Figure 5 It is a damping spring structure schematic view of the utility model.

[0020] In the drawing: 1, clamping rod, 2, cutter bar, 3, connecting mechanism, 301, fixed ring, 302, limiting ring, 303, rotating ring, 304, limiting rod, 305, connecting ring, 306, support rod, 307, sleeve, 308, sliding block, 309, positioning ring, 310, limiting hole, 4, support mechanism, 401, through rod, 402, thread part, 403, connecting block, 404, damping spring, 405, abutting rod, 406, universal wheel. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely 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 the utility model. Embodiment one

[0022] As Figures 1 to 5As shown, a coating tool with a scratch-resistant structure includes a clamping rod 1, the top end of the clamping rod 1 is fixed with a tool rod 2, the outside of the tool rod 2 is provided with a connecting mechanism 3; the connecting mechanism 3 includes a fixed ring 301 fixed on the outer wall of the tool rod 2, the outer wall of the fixed ring 301 is fixed with a limiting ring 302, the outside of the limiting ring 302 is rotatably connected with a rotating ring 303, the bottom end of the rotating ring 303 is fixed with a limiting rod 304, the outer wall of the limiting rod 304 is sleeved with a connecting ring 305, the bottom end of the connecting ring 305 is fixed with a supporting rod 306, the connecting mechanism 3 further includes a sleeve 307, the sleeve 307 is slidably connected below the connecting ring 305 of the outer wall of the tool rod 2, the top end of the sleeve 307 is fixed with a sliding block 308, the upper side of the sliding block 308 is slidably connected with a positioning ring 309, a limiting hole 310 is formed in the top end of the positioning ring 309 corresponding to the position of the limiting rod 304, the limiting ring 302 and the rotating ring 303 form a rotating structure, the rotating ring 303 is closely attached to the connecting ring 305, the sleeve 307 is threadedly connected with the tool rod 2, and the sleeve 307 forms a rotating structure with the positioning ring 309 through the sliding block 308; through the fixation of the fixed ring 301, the rotating ring 303 drives the limiting rod 304 to rotate along the limiting ring 302, so that the connecting ring 305 drives the supporting rod 306 to rotate with the tool rod 2 to play a supporting effect, avoiding the situation that the non-edge part of the tool collides with the object to cause scratches, and rotating the sleeve 307 to make the positioning ring 309 drive the limiting hole 310 to sleeve the limiting rod 304 penetrating through the connecting ring 305, and to be pressed tightly to further improve the stability of the connecting ring 305 and the supporting rod 306. Example two

[0023] In addition to including all the technical features in example one, the example also includes: a supporting mechanism 4 is arranged below the supporting rod 306, the supporting mechanism 4 includes a penetrating rod 401 penetrating through the bottom end of the supporting rod 306, a threaded portion 402 is arranged on the outer wall of one end of the supporting rod 306, the outer wall of the penetrating rod 401 is sleeved with a connecting block 403, the supporting mechanism 4 further includes a damping spring 404 embedded in the inside of the penetrating rod 401, the bottom end of the damping spring 404 is connected with a resisting rod 405, the lower side of the resisting rod 405 is connected with a universal wheel 406, the resisting rod 405 forms an elastic structure with the penetrating rod 401 through the damping spring 404, and the penetrating rod 401 is threadedly connected with the connecting block 403; according to the drilling distance of the processed object, the penetrating distance of the penetrating rod 401 is adjusted through the threaded portion 402, and the connecting block 403 is rotated to resist one side of the supporting rod 306, so as to improve the stability, the damping spring 404 is elastically stretched to push the resisting rod 405 to make the universal wheel 406 slide and resist the object, so as to play a role in stability and avoid deviation, and the elastic contraction distance of the damping spring 404 is the reserved drilling distance of the tool.

[0024] Working principle: the clamping rod 1 and the cutter rod 2 constitute a cutter, the fixed ring 301 is fixed with four limiting rods 304 through the rotation ring 303 connected by the limiting ring 302, the connecting ring 305 is sleeved outside the limiting rod 304 for limiting, and is screwed with the cutter rod 2 through the sleeve 307 to adjust the position, the positioning ring 309 is pushed by the sliding block 308 to let the limiting hole 310 sleeve the limiting rod 304 out of the connecting ring 305, the stability of the connecting ring 305 connection is improved and the disassembly is facilitated, the four supporting rods 306 fixed through the connecting ring 305 are used for supporting to avoid the inclination of the cutter in the machining process, the supporting rod 306 adjusts the position of the rod 401 out through the threaded part 402, so that the object position required to be machined is adjusted, the drilling length is reserved, and the threaded connection of the connecting block 403 and the rod 401 is resisted by the supporting rod 306, so that the universal wheel 406 is in contact with the object, the sliding smoothness is improved in the process of limiting and stabilizing, the elastic spring 404 is elastically contracted by the distance of the cutter drilling distance, and the over deviation in the machining process is avoided to cause the external coating to be knocked and scratched.

[0025] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0026] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A coated cutting tool having a scratch-protective structure, comprising a clamping shank (1), characterised in that: The top end of the clamping rod (1) is fixed with a cutter bar (2), and the outer part of the cutter bar (2) is provided with a connecting mechanism (3); The connecting mechanism (3) comprises a fixed ring (301) fixed on the outer wall of the cutter bar (2), and the outer wall of the fixed ring (301) is fixed with a limiting ring (302), the outer part of the limiting ring (302) is rotatably connected with a rotating ring (303), and the bottom end of the rotating ring (303) is fixed with a limiting rod (304), the outer wall of the limiting rod (304) is sleeved with a connecting ring (305), and the bottom end of the connecting ring (305) is fixed with a supporting rod (306).

2. The coated cutting tool with a scratch resistant structure according to claim 1, characterized in that: The connecting mechanism (3) further comprises a sleeve (307) which is slidably connected below the connecting ring (305) of the cutter bar (2), and the top end of the sleeve (307) is fixed with a sliding block (308), the upper side of the sliding block (308) is slidably connected with a positioning ring (309), and the top end of the positioning ring (309) is provided with a limiting hole (310) corresponding to the position of the limiting rod (304).

3. The coated cutting tool with a scratch resistant structure according to claim 1, characterized in that: The limiting ring (302) and the rotating ring (303) constitute a rotating structure, and the rotating ring (303) is closely attached to the connecting ring (305).

4. The coated cutting tool with anti-scratching structure according to claim 2, characterized in that: The sleeve (307) is threadedly connected with the cutter bar (2), and the sleeve (307) constitutes a rotating structure between the sliding block (308) and the positioning ring (309).

5. The coated cutting tool with a scratch resistant structure according to claim 1, characterized in that: The bottom of the supporting rod (306) is provided with a supporting mechanism (4), and the supporting mechanism (4) comprises a penetrating rod (401) penetrating the bottom end of the supporting rod (306), and the outer wall of the penetrating rod (401) located at one end of the supporting rod (306) is provided with a threaded part (402), and the outer wall of the penetrating rod (401) is sleeved with a connecting block (403).

6. The coated cutting tool with anti-scratching structure according to claim 5, characterized in that: The supporting mechanism (4) further comprises a damping spring (404) embedded in the inside of the penetrating rod (401), and the bottom end of the damping spring (404) is connected with a resisting rod (405), and the bottom of the resisting rod (405) is connected with a universal wheel (406).

7. The coated cutting tool with anti-scratching structure according to claim 6, characterized in that: The resisting rod (405) and the penetrating rod (401) constitute an elastic structure through the damping spring (404), and the penetrating rod (401) and the connecting block (403) are threadedly connected.

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