Cutter capable of being quickly replaced

Abstract

The cutter comprises a cutter body, a cutter cylinder and a supporting frame, the cutter body is installed at the lower end of the cutter cylinder in an inserted mode, an installation groove is formed in the lower end of the cutter cylinder, a protruding block is connected in the installation groove in a clamped mode, and the cutter cylinder and the protruding block are fixed through an installation mechanism. The mounting mechanism drives the cutter body to form a dismounting structure at the lower end of the cutter cylinder. According to the tool capable of being replaced quickly, the tool body and the tool cylinder can be mounted and positioned very conveniently, the tool body and the tool cylinder are directly locked by combining with the arrangement of the mounting mechanism, the mounting tightness of the tool body is improved, the whole mounting process can be completed without the aid of bolts and screws, and the mounting efficiency is improved. And in combination with rotation of the cutter cylinder at the lower end of the supporting frame, the use angle of the cutter body can be conveniently adjusted according to the machining requirement of a workpiece during machining.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical fields of processing tool, concretely to a tool of quick replacement. BACKGROUND

[0002] In the mechanical processing of workpieces, various processing tools are needed to contact the workpieces to achieve cutting, grinding, drilling and other operations. Processing tools are important components in mechanical processing.

[0003] For example, the tool with quick replaceable blade disclosed in the publication No. CN211052653U includes a handle and a detachable tool head connected to the handle. The tool head is provided with a blade installation groove, and the blade is installed in the groove. The tool has the following advantages: 1. The tool can be quickly replaced. When replacing, the handle does not need to be removed. Instead, the fixing screw on the tool is loosened, and then a new tool head assembly is replaced and the screw is tightened. 2. The fitting surface of the handle and the tool head is a plane, and the installation protrusions and the installation grooves are arranged on the plane to firmly fasten.

[0004] However, in the prior art, when disassembling and replacing the tool, bolts, screws and external tools are mostly used to disassemble and install the tool. The replacement operation is inconvenient, and the fastening is not good enough. In actual use, it is inconvenient to adjust the use angle of the tool according to the processing requirements of the workpiece. For example, the above-mentioned comparative patent has this problem.

[0005] Therefore, we propose a tool that can be quickly replaced to solve the above problems. INVENTION CONTENTS

[0006] The utility model aims to provide a tool that can be quickly replaced to solve the problem that in the prior art, when disassembling and replacing the tool, bolts, screws and external tools are mostly used to disassemble and install the tool. The replacement operation is inconvenient, and the fastening is not good enough. In actual use, it is inconvenient to adjust the use angle of the tool according to the processing requirements of the workpiece.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tool that can be quickly replaced, including tool body, cutter barrel and support frame, the left and right sides of the upper end of the tool body are both welded with the protrusion for positioning;

[0008] It also includes:

[0009] The tool body is inserted and installed at the lower end of the cutter barrel, and the lower end of the cutter barrel is provided with an installation groove. The protrusion is connected to the installation groove.

[0010] The installation mechanism is composed of a first spring, a fixed column, a fixed rod and a fixed sleeve.

[0011] The lower end of the support frame is rotationally connected with the cutter barrel, and the left and right sides of the upper end of the cutter barrel are provided with movable plates for limiting.

[0012] Preferably, a limiting groove is formed in the middle of the upper end of the cutter body.

[0013] Preferably, a notch is arranged at the lower end of the installation groove.

[0014] Preferably, the inside of the cutter barrel is provided with a first spring, and the movable end of the first spring is fixedly connected with a fixed column, the fixed column is telescopically connected in the middle of the cutter barrel, and the lower end of the fixed column is inserted into the limiting groove.

[0015] Preferably, the left and right ends of the fixed column are fixedly connected with fixed rods, respectively, and the fixed rods are arranged through the left and right ends of the cutter barrel, respectively, and the fixed rods and the cutter barrel form an up-down sliding structure.

[0016] Preferably, the outer surface of the fixed rod is threadedly connected with a fixed sleeve for locking and limiting, and the fixed sleeve is clamped and connected in the fixed groove.

[0017] Preferably, the fixed grooves are respectively arranged in the left and right ends of the cutter barrel.

[0018] Preferably, the lower end of the movable plate is fixedly connected with movable blocks on the front and back sides, respectively, and the movable blocks and the movable side plates form a left-right sliding structure, and the movable side plates are fixedly connected on the left and right sides of the upper end of the cutter barrel.

[0019] Preferably, a second spring is arranged between the movable plate and the cutter barrel.

[0020] Preferably, the upper end of the movable plate is inserted into a fixed hole at a corresponding position, and the fixed hole is arranged at an equal angle on the edge of the lower end of the support frame.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows: This quick-change tool can conveniently install and position the tool body and the tool barrel by engaging the protrusion in the mounting groove. Combined with the setting of the mounting mechanism, the tool body and the tool barrel are directly locked, improving the tightness of the tool body installation. Moreover, the entire installation process can be completed without the aid of bolts and screws, which facilitates the quick replacement of the tool body. Combined with the rotation of the tool barrel at the lower end of the support frame, it is convenient to adjust the use angle of the tool body according to the processing requirements of the workpiece during processing. Moreover, after the adjustment is completed, it is only necessary to engage the movable plate in the corresponding fixing hole to limit the position between the tool barrel and the support frame.

[0022] 1. It is equipped with a protrusion, a mounting groove and a mounting mechanism. The protrusion engages in the mounting groove, which facilitates the positioning between the tool body and the tool barrel. Combined with the mounting mechanism, it can easily lock the tool body and the tool barrel, improving the tightness of the tool body installation.

[0023] 2. It is equipped with a tool barrel and a support frame. The tool barrel rotates at the lower end of the support frame, which allows the angle of the tool body to be adjusted according to the processing requirements of the workpiece during processing.

[0024] 3. It is equipped with a fixed hole and a movable plate. The upper end of the movable plate is inserted into the fixed hole at the corresponding position, which can limit the movement between the cutter barrel and the support frame after the angle adjustment is completed. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0026] Figure 2 This is a frontal sectional view of the present invention.

[0027] Figure 3 This is a bottom view of the tool body, protrusion, tool barrel, and mounting groove of this utility model;

[0028] Figure 4 This is an exploded structural diagram of the tool body, tool barrel, and fixing post of this utility model;

[0029] Figure 5 This is a schematic diagram of the overall structure of the tool body, protrusion, fixing post and limiting groove of this utility model;

[0030] Figure 6 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0031] Figure 7 This is an exploded structural diagram of the movable plate, movable block, and movable side plate of this utility model.

[0032] In the figure: 1, cutter body; 2, protrusion; 3, cutter barrel; 4, mounting groove; 5, mounting mechanism; 6, first spring; 7, fixed column; 8, fixed rod; 9, fixed sleeve; 10, fixed groove; 11, support frame; 12, fixed hole; 13, movable plate; 14, movable block; 15, movable side plate; 16, second spring; 17, limiting groove. DETAILED DESCRIPTION

[0033] 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, rather than 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.

[0034] Please refer to Figures 1-7 The utility model provides the following technical scheme.

[0035] Embodiment 1: in order to solve the problem that in the prior art, when disassembling and replacing the cutter, bolts and screws and external tools are mostly used to realize the disassembly and installation of the cutter, therefore, the technical scheme is as follows: a cutter that can be quickly replaced is provided with a cutter body 1, a protrusion 2, a cutter barrel 3, a mounting groove 4 and a mounting mechanism 5, the cutter body 1 is inserted and installed at the lower end of the cutter barrel 3, the lower end of the cutter barrel 3 is provided with the mounting groove 4, the protrusion 2 is clamped and connected in the mounting groove 4, the mounting mechanism 5 is used for fixing between the cutter barrel 3 and the protrusion 2, the mounting mechanism 5 drives the cutter body 1 to constitute a disassembly structure at the lower end of the cutter barrel 3, the mounting mechanism 5 is composed of a first spring 6, a fixed column 7, a fixed rod 8 and a fixed sleeve 9, the lower end of the mounting groove 4 is provided with a notch, the inside of the cutter barrel 3 is provided with the first spring 6, the movable end of the first spring 6 is fixedly connected with the fixed column 7, the fixed column 7 is connected to the middle part of the cutter barrel 3 in an extension mode, as shown in Figure 1 、 Figure 2 and Figure 3 When the cutter body 1 is installed, the fixed rod 8 is first pulled upwards, the fixed rod 8 drives the fixed column 7 to slide in the inside of the cutter barrel 3, the fixed column 7 extrudes the first spring 6, so that the first spring 6 is elastically deformed, then the cutter body 1 is inserted at the lower end of the cutter barrel 3, at the same time, the cutter body 1 drives the protrusion 2 to move upwards from the notch of the mounting groove 4, then the cutter body 1 is rotated to a certain angle, so that the cutter body 1 drives the protrusion 2 to be clamped in the mounting groove 4, thereby facilitating the installation and positioning between the cutter body 1 and the cutter barrel 3.

[0036] Embodiment 2: In order to solve the problem of poor fastening and inconvenient replacement operation in the prior art, the embodiment provides a replaceable tool, which is provided with a fixing rod 8, a fixing sleeve 9 and a fixing groove 10, the lower end of a fixing column 7 is inserted into a limiting groove 17, the left and right ends of the fixing column 7 are both fixedly connected with the fixing rod 8, the fixing rod 8 penetrates through the left and right ends of a tool barrel 3, an upper and lower sliding structure is formed between the fixing rod 8 and the tool barrel 3, the outer surface of the fixing rod 8 is threadedly connected with the fixing sleeve 9 for locking and limiting, the fixing sleeve 9 is clamped in the fixing groove 10, as shown in Figure 2 、 Figure 4 、 Figure 5 and Figure 6 , after the protruding block 2 is clamped in the mounting groove 4, the fixing rod 8 is directly loosened, at this time, the first spring 6 restores the elastic deformation, the fixing column 7 is pushed to move downward and is directly inserted into the limiting groove 17, thereby facilitating the limiting between the tool body 1 and the tool body 1, the disassembly and replacement of the tool body 1 are completed, the whole disassembly and replacement operation can be completed without the aid of bolts and screws, the operation is more convenient, then the fixing sleeve 9 threadedly connected with the outer surface of the fixing rod 8 is rotated, the fixing sleeve 9 is clamped in the fixing groove 10, thereby the fixing rod 8 and the tool barrel 3 can be locked and limited, thereby the stability of the connection between the tool body 1 and the tool barrel 3 is improved.

[0037] Embodiment 3: In order to solve the problem that the use angle of the tool cannot be adjusted according to the machining requirements of the workpiece in the prior art, the embodiment provides a replaceable tool, which is provided with a supporting frame 11, a fixing hole 12, a movable plate 13, a movable block 14, a movable side plate 15, a second spring 16 and a limiting groove 17, the supporting frame 11 is fixed on a machining device, the tool barrel 3 is rotationally connected with the lower end of the supporting frame 11, the left and right sides of the upper end of the tool barrel 3 are both provided with the movable plate 13 for limiting, the front and rear sides of the lower end of the movable plate 13 are both fixedly connected with the movable block 14, a left and right sliding structure is formed between the movable block 14 and the movable side plate 15, the movable side plate 15 is fixedly connected with the left and right sides of the upper end of the tool barrel 3, the second spring 16 is arranged between the movable plate 13 and the tool barrel 3, the upper end of the movable plate 13 is inserted into the fixing hole 12 at the corresponding position, the fixing hole 12 is equally angularly arranged at the edge of the lower end of the supporting frame 11, as shown in Figure 6 and Figure 7As shown, in use, according to actual processing requirements, the movable plate 13 is pressed, the movable plate 13 drives the movable block 14 and the movable side plate 15 to slide, the movable plate 13 extrudes the second spring 16, the second spring 16 elastically deforms, the upper end of the movable plate 13 is moved out of the fixed hole 12, the support frame 11 and the cutter barrel 3 are released, then the cutter barrel 3 is rotated at the lower end of the support frame 11, the angle of the cutter body 1 can be adjusted according to the processing requirements of the workpiece, when the angle adjustment is completed, the movable plate 13 is directly released, the second spring 16 restores the elastic deformation, the upper end of the movable plate 13 is inserted into the fixed hole 12 at the corresponding position, the support frame 11 and the cutter barrel 3 are limited.

[0038] 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, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick-change tool, comprising a tool body (1), a tool cylinder (3) and a support frame (11), wherein protrusions (2) for positioning are welded on both sides of the upper end of the tool body (1); characterized in that Further comprising: the tool body (1) is inserted and installed at the lower end of the tool cylinder (3), and the lower end of the tool cylinder (3) is provided with an installation groove (4), wherein the protrusion (2) is clamped and connected in the installation groove (4); wherein the tool cylinder (3) and the protrusion (2) are fixed through an installation mechanism (5), and the installation mechanism (5) drives the tool body (1) to constitute a dismounting structure at the lower end of the tool cylinder (3), and the installation mechanism (5) is composed of a first spring (6), a fixed column (7), a fixed rod (8) and a fixed sleeve (9); the tool cylinder (3) is rotationally connected at the lower end of the support frame (11), and the upper end of the tool cylinder (3) is provided with movable plates (13) for limiting on both sides.

2. A tool according to claim 1, characterized in that: A limiting groove (17) is provided in the middle of the upper end of the tool body (1).

3. A tool according to claim 1, characterized in that: The lower end of the installation groove (4) is provided with a notch.

4. The quick-change tool tip of claim 1 wherein: The inside of the tool cylinder (3) is provided with a first spring (6), and the movable end of the first spring (6) is fixedly connected with a fixed column (7), which is telescopically connected in the middle of the tool cylinder (3), and the lower end of the fixed column (7) is inserted in the limiting groove (17).

5. A tool according to claim 4, wherein: Both ends of the fixed column (7) are fixedly connected with fixed rods (8), which are respectively provided at both ends of the tool cylinder (3), and the fixed rod (8) and the tool cylinder (3) constitute an up-down sliding structure.

6. A tool according to claim 5, wherein: The outer surface of the fixed rod (8) is threadedly connected with a fixed sleeve (9) for locking and limiting, and the fixed sleeve (9) is clamped and connected in a fixed groove (10).

7. A tool according to claim 6, wherein: The fixed groove (10) is respectively provided at both ends of the tool cylinder (3).

8. The quick-change tool tip of claim 1, wherein: The lower end of the movable plate (13) is fixedly connected with movable blocks (14) on both sides, and the movable blocks (14) and movable side plates (15) constitute a left-right sliding structure, and the movable side plates (15) are respectively fixedly connected on both sides of the upper end of the tool cylinder (3).

9. A tool according to claim 8, characterized in that: A second spring (16) is arranged between the movable plate (13) and the tool cylinder (3).

10. A tool according to claim 9, wherein: The upper end of the movable plate (13) is inserted in a fixed hole (12) at the corresponding position, and the fixed hole (12) is equally angularly provided at the edge of the lower end of the support frame (11).

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