Ultralow-temperature micro-diameter milling compound tool with anti-flying function

Abstract

The utility model discloses an ultralow-temperature micro-diameter milling compound tool with an anti-flying function. The tool comprises a tool apron, a fixing rod arranged on the upper side surface of the tool apron, a tool body inserted outside the fixing rod, pressing assemblies arranged on the two sides of the upper end of the fixing rod and a telescopic assembly arranged at the lower end of the tool apron. The rotary knob is twisted to drive the first bevel gear connected with the rotary knob to rotate, drive the second bevel gear to rotate in a meshed mode and drive the screw connected with the rotary knob to rotate, and the pressing plate is driven to slide outwards from the inside of the sliding groove in a meshed mode under the limiting effect that the limiting plate is embedded in the limiting groove, so that the lower side surface of the pressing plate is tightly attached to the upper side surface of the cutter body, and the length of the seat rod is adjusted. And the tool can be conveniently clamped on clamping seats with different sizes, so that the universality of the tool is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool technical field, concretely is a kind of super-low temperature micro-diameter milling composite cutter with anti-flying function. BACKGROUND

[0002] With the progress of machine tool and cutting technology, aluminum alloy high-speed milling is widely used Milling cutter assembled with welded PCD tool holder structure, such tool generally has the following characteristics: cutting tool holder is arranged in the open tool groove on the periphery of disc type tool body, tool holder compression screw passes through the hole on the tool holder to compress the tool holder and directly connect with the tool body, adjustment structure is located at the bottom of tool holder and directly contacts or connects with the tool body; The tool body itself is made of aluminum alloy material to adapt to the requirement of high-speed rotation.

[0003] The existing public patent (publication number CN106735494B) discloses a milling cutter with anti-flying function, which is provided with an annular anti-flying sleeve outside the disc-shaped tool body, which is used to prevent the cutting unit from flying away from the disc-shaped tool body during rotation. The annular anti-flying sleeve is provided with a compression piece for compressing the cutting unit at the corresponding position of the cutting unit. In this structure, the cutting unit is wrapped between the annular anti-flying sleeve and the disc-shaped tool body by the annular anti-flying sleeve outside the disc-shaped tool body, which avoids the possibility of the cutting unit flying out of the disc-shaped tool body during rotation of the tool, so that the tool has anti-flying function, and the use speed of the tool is improved due to the limitation of anti-flying. It has simple structure and high stability.

[0004] However, there are some problems in the use of existing tools: 1. The anti-flying assembly of the current tool is installed in the corresponding screw hole by bolt engagement, which locks and fixes the tool. Although the locking effect is achieved, it is time-consuming and laborious to install multiple bolts one by one, which affects the operation efficiency; 2. The clamped tool rod part of the existing tool is fixed in size, and the length size of the clamped tool rod part cannot be adjusted according to the size of the clamping assembly, thereby affecting the stability of clamping and fixing. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of super-low temperature micro-diameter milling composite cutter with anti-flying function to solve the problems raised in the above background.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: including tool holder, fixed rod being set on the upper surface of tool holder, tool body being inserted in the outside of fixed rod, compression assembly being set on the both sides of the upper end of fixed rod and telescopic assembly being set on the lower end of tool holder;

[0007] The compression assembly comprises a central groove formed in the lateral wall of the upper end of the fixed rod, a first bevel gear is arranged on the inner wall of the upper end of the central groove, a knob is connected with the upper end of the first bevel gear in a matched mode, and second bevel gears are arranged on the left and right sides of the central groove and matched with the first bevel gear.

[0008] The telescopic assembly comprises a telescopic groove formed in the inner part of the lower end of the tool holder, a holder rod is movably arranged in the telescopic groove, a clamping groove is formed in the lateral wall of the holder rod, and a clamping groove is formed in the lateral wall of the telescopic groove and matched with the clamping groove, and a clamping plate is movably arranged in the clamping groove and matched with the clamping groove.

[0009] As a further scheme of the utility model, a sliding groove is formed in the outer part of the two sides of the central groove, a screw rod is matched and arranged in the sliding groove, and a pressing plate is matched and sleeved on the outer wall of the screw rod.

[0010] As a further scheme of the utility model, a limiting groove is formed in the lateral wall of the sliding groove, and a limiting plate is arranged on the lateral wall of the pressing plate and matched with the limiting groove.

[0011] As a further scheme of the utility model, the rotating input end of the screw rod is matched and connected with the rotating output end of the second bevel gear.

[0012] As a further scheme of the utility model, a side groove is formed in the upper end of the lateral wall of the clamping groove, and a side plate is arranged on the upper side surface of the clamping plate and matched with the side groove.

[0013] As a further scheme of the utility model, a hydraulic rod is matched and arranged on the outer end surface of the side plate, and a spring is matched and sleeved on the outer wall of the hydraulic rod.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] When the tool body is installed, the tool body is inserted downward on the outer part of the fixed rod, the knob is twisted to drive the first bevel gear connected with the knob to rotate, the second bevel gear is engaged to rotate, the screw rod connected with the second bevel gear is driven to rotate, the limiting plate is embedded in the limiting groove under the limiting of the limiting plate, the pressing plate is engaged to slide outward from the sliding groove, the lower side surface of the pressing plate is tightly attached to the upper side surface of the tool body, the tool body is downwardly extruded and positioned, and the stability of the tool body is ensured.

[0016] The utility model discloses when needing to adjust the clamped length of seat pole, pulls out the clamping plate to make it from the clamping groove outwardly separate, simultaneously makes the clamping plate slide outwardly in the slot, drives the upper side's baffle to slide outwardly in the edge groove and extrudes the potential energy of hydraulic pole and spring, pulls down the seat pole to make it slide downwardly in the telescopic groove, after adjusting the length of extension, makes the corresponding position's clamping groove and the slot alignment, loosens the pulling force of clamping plate, and spring releases potential energy and promotes the baffle to drive the clamping plate to insert in the aligned clamping groove, completes the fixing of seat pole adjustment, thereby makes the length of seat pole get the adjustment, is convenient for being clamped on the clamping seat of different size, improves the versatility of tool. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall schematic view of the utility model embodiment;

[0018] Figure 2 It is the compression assembly schematic view of the utility model embodiment;

[0019] Figure 3 It is the telescopic assembly schematic view of the utility model embodiment;

[0020] Figure 4 It is the Figure 3 It is the partial enlarged schematic view of A in the middle.

[0021] In the drawing: 1, tool holder;2, fixed rod;3, tool body;401, center groove;402, first bevel gear;403, knob;404, second bevel gear;405, sliding groove;406, screw;407, pressing plate;408, limiting groove;409, limiting plate;501, telescopic groove;502, seat pole;503, clamping groove;504, slot;505, clamping plate;506, edge groove;507, baffle;508, hydraulic pole;509, spring. DETAILED DESCRIPTION

[0022] In order to solve the problem, the utility model embodiment provides a kind of ultra-low temperature micro-diameter milling composite cutter with anti-flying function.The technical scheme in the utility model embodiment will be described clearly and completely in conjunction with the drawings in the utility model embodiment, obviously, the described embodiment is only part of the embodiment of the utility model, not all the embodiment.Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the scope of the utility model protection. Embodiment one

[0023] As Figures 1 to 4As shown, the embodiment provides an ultra-low temperature micro-diameter milling composite cutter with anti-flying function, which comprises a cutter holder 1, a fixed rod 2 arranged on the upper surface of the cutter holder 1, a cutter body 3 inserted on the outside of the fixed rod 2, a pressing assembly arranged on both sides of the upper end of the fixed rod 2 and a telescopic assembly arranged at the lower end of the cutter holder 1. The pressing assembly comprises a central groove 401 opened in the side wall of the upper end of the fixed rod 2, a first bevel gear 402 arranged on the inner wall of the upper end of the central groove 401, a knob 403 connected with the first bevel gear 402, a second bevel gear 404 arranged on both sides of the central groove 401 and matched with the first bevel gear 402. The second bevel gear 404 is engaged to drive the pressing plate 407 to slide out of the sliding groove 405, so that the lower surface of the pressing plate 407 is tightly attached to the upper surface of the cutter body 3, thereby extruding and positioning the cutter body 3 downward to ensure the stability of the cutter body 3. The telescopic assembly comprises a telescopic groove 501 opened in the inside of the lower end of the cutter holder 1, a seat rod 502 movably installed in the telescopic groove 501, a clamping groove 503 opened in the side wall of the seat rod 502, a corresponding slot 504 opened in the side wall of the telescopic groove 501, a clamping plate 505 movably arranged in the slot 504 and matched with the clamping groove 503, and a side plate 507 driving the clamping plate 505 to insert into the aligned clamping groove 503 to complete the fixation of the seat rod 502 adjustment, so that the length of the seat rod 502 is adjusted to facilitate clamping on the clamping seat of different sizes, thereby improving the versatility of the cutter. Embodiment two

[0024] In addition to including all the technical features in embodiment one, the embodiment further comprises that the central groove 401 is opened with a sliding groove 405 on both sides of the outside, the sliding groove 405 is matched with a screw rod 406, the screw rod 406 is matched with a pressing plate 407, the pressing plate 407 is engaged to slide out of the sliding groove 405, so that the lower surface of the pressing plate 407 is tightly attached to the upper surface of the cutter body 3.

[0025] Further, the side wall of the sliding groove 405 is opened with a limiting groove 408, the side wall of the pressing plate 407 is provided with a limiting plate 409 matched with the limiting groove 408, the limiting plate 409 is embedded in the limiting groove 408, the pressing plate 407 is engaged to slide out of the sliding groove 405, so that the lower surface of the pressing plate 407 is tightly attached to the upper surface of the cutter body 3, thereby extruding and positioning the cutter body 3 downward.

[0026] Further, the rotating input end of the screw rod 406 is matched with the rotating output end of the second bevel gear 404, the knob 403 drives the first bevel gear 402 connected therewith to rotate, the second bevel gear 404 is engaged to rotate, the screw rod 406 connected therewith is driven to rotate, and the pressing efficiency is improved.

[0027] Further, the upper end side wall of the slot 504 is provided with a side slot 506, and the upper side surface of the clamping plate 505 is provided with a side plate 507 matched with the side slot 506, the side plate 507 drives the clamping plate 505 to be inserted into the aligned clamping slot 503, and the fixing of the adjustment of the seat rod 502 is completed, so that the length of the seat rod 502 is adjusted.

[0028] Further, the outer end surface of the side plate 507 is matched with the installation of a hydraulic rod 508, and the outer wall of the hydraulic rod 508 is matched with the installation of a spring 509, the side plate 507 slides outwardly in the side slot 506 to extrude the hydraulic rod 508 and the spring 509 to generate potential energy, the tension of the clamping plate 505 is loosened, the spring 509 releases the potential energy to push the side plate 507 to drive the clamping plate 505 to be inserted into the aligned clamping slot 503, and the telescopic adjustment is improved.

[0029] Working principle: when the cutter body 3 is installed, the cutter body 3 is inserted downwardly outside the fixed rod 2, the knob 403 is twisted to drive the first bevel gear 402 connected therewith to rotate, the second bevel gear 404 is engaged to rotate, the screw rod 406 connected therewith is rotated, under the limitation of the limiting plate 409 embedded in the limiting slot 408, the pressing plate 407 is engaged to slide outwardly from the sliding slot 405, the lower side surface of the pressing plate 407 is tightly attached to the upper side surface of the cutter body 3, so that the cutter body 3 is extruded and positioned downwardly, and the stability of the cutter body 3 is ensured, when the clamped length of the seat rod 502 needs to be adjusted, the clamping plate 505 is pulled outwardly to be separated from the clamping slot 503 outwardly, at the same time, the clamping plate 505 slides outwardly in the slot 504 to drive the upper side plate 507 to slide outwardly in the side slot 506 to extrude the hydraulic rod 508 and the spring 509 to generate potential energy, the seat rod 502 is pulled downwardly to slide downwardly in the telescopic slot 501, after the length of the extension is adjusted, the corresponding clamping slot 503 is aligned with the slot 504, the tension of the clamping plate 505 is loosened, the spring 509 releases the potential energy to push the side plate 507 to drive the clamping plate 505 to be inserted into the aligned clamping slot 503, the fixing of the adjustment of the seat rod 502 is completed, so that the length of the seat rod 502 is adjusted, the clamping is convenient for being clamped on the clamping seat of different sizes, and the universality of the cutter is improved.

[0030] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0031] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. An ultralow-temperature micro-diameter milling composite tool with a fly prevention function, characterized by: The utility model provides a cutting tool, including the cutter seat (1), the fixed rod (2) of setting in the upper surface of cutter seat (1), the cutter body (3) of inserting in the outside of fixed rod (2), the compression assembly of setting in the both sides of fixed rod (2) upper end and the telescopic assembly of setting in the lower end of cutter seat (1), The compression assembly includes a center slot (401) in the sidewall of the upper end of the fixed rod (2), a first bevel gear (402) is arranged on the inner wall of the upper end of the center slot (401), a knob (403) is connected with the upper end of the first bevel gear (402), and a second bevel gear (404) is arranged on the left and right sides of the center slot (401) and cooperates with the first bevel gear (402). The telescopic assembly includes a telescopic slot (501) in the inner part of the lower end of the cutter seat (1), a seat rod (502) is movably installed in the telescopic slot (501), a clamping groove (503) is arranged in the sidewall of the seat rod (502), a clamping groove (503) is arranged in the sidewall of the telescopic slot (501), and a clamping groove (503) is movably arranged in the clamping groove (503).

2. The ultra-low temperature micro-diameter milling composite cutter with anti-flying function according to claim 1, characterized in that: The outer part of the both sides of the center slot (401) is provided with a sliding groove (405), a screw rod (406) is movably installed in the sliding groove (405), and a pressing plate (407) is movably installed on the outer wall of the screw rod (406).

3. The ultra-low temperature micro-milling composite tool with anti-flying function according to claim 2, characterized in that: The sidewall of the sliding groove (405) is provided with a limiting groove (408), and the sidewall of the pressing plate (407) is provided with a limiting plate (409) which cooperates with the limiting groove (408).

4. The ultra-low temperature micro-diameter milling composite cutter with anti-flying function according to claim 2, characterized in that: The rotating input end of the screw rod (406) is movably connected with the rotating output end of the second bevel gear (404).

5. The ultra-low temperature micro-diameter milling composite cutter with anti-flying function according to claim 1, characterized in that: The upper end sidewall of the clamping groove (504) is provided with a side groove (506), and the upper surface of the clamping plate (505) is provided with a side plate (507) which cooperates with the side groove (506).

6. The ultra-low temperature micro-diameter milling composite cutter with anti-flying function according to claim 5, characterized in that: The outer end surface of the side plate (507) is movably installed with a hydraulic rod (508), and the outer wall of the hydraulic rod (508) is movably installed with a spring (509).

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