CN219112990U

CN219112990U - Blade fixture convenient to quick replacement

Info

Publication number: CN219112990U
Application number: CN202222511393.5U
Authority: CN
Inventors: 刘利; 葛振刚
Original assignee: Dabai Precision Machine Tool Jiangsu Co ltd
Current assignee: Dabai Precision Machine Tool Jiangsu Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-06-02
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a blade clamping mechanism convenient to replace quickly, which comprises a milling cutter body and a shell, wherein the milling cutter body is connected inside the shell in a sliding way, a plurality of tooth grooves are formed in the annular side face of the milling cutter body, two sliding grooves are formed in the annular side face of the shell, a spring is fixedly connected to the inner wall of the top of the shell, a sliding block is fixedly connected to the other end of the spring, two fixing blocks are fixedly connected to the annular side face of the sliding block, a rack is movably connected to one side of each fixing block, the rack is meshed with two tooth grooves, and torsion springs are sleeved on two sides of the rack. According to the milling cutter, the milling cutter body can be quickly replaced through the bolt, the sliding block and the rack, the replacement effect of the device is improved, the bolt can be fixed through the bolt, the using effect of the device is improved, the sliding block can slide more stably through the multi-section telescopic rod, and the stabilizing effect of the device is improved.

Description

Blade fixture convenient to quick replacement

Technical Field

The utility model relates to the technical field of blade clamping machinery, in particular to a blade clamping mechanism convenient to replace quickly.

Background

The tool bit is a rotary tool for milling and provided with one or more blades, when in work, each blade cuts off the allowance of a workpiece intermittently in sequence, and in the numerical control machine tool processing, the proper tool bit is required to be selected and mounted on a machine tool first, and then the machining is carried out, so as to meet the machining requirement.

At present, most machine tools adopt chucks to clamp and fix a tool bit, and when the tool bit needs to be replaced, tools need to be taken out for disassembly, and the operation is complex, so that it is very necessary to provide a blade clamping mechanism convenient for quick replacement.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a blade clamping mechanism convenient for quick replacement.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a blade fixture convenient to quick replacement, includes milling cutter body and casing, milling cutter body sliding connection is in the inside of casing, a plurality of tooth's sockets have been seted up to the annular side of milling cutter body, two spouts have been seted up to the annular side of casing, the top inner wall fixedly connected with spring of casing, the other end fixedly connected with slider of spring, two fixed blocks of annular side fixedly connected with of slider, one side swing joint of fixed block has the rack, and rack and two tooth's sockets mesh wherein, the torsional spring has all been cup jointed to the both sides of rack, and the both ends of torsional spring are fixed mutually with fixed block and rack respectively, two recesses have been seted up to the annular side of slider, two bolts of annular side swing joint of casing, and bolt and recess peg graft mutually, one side fixedly connected with extension spring of bolt, and extension spring are fixed mutually with casing.

As a still further scheme of the utility model, the annular side face of the shell is fixedly connected with a plurality of fixing seats, and bolts are connected with the inner threads of the fixing seats.

As a still further aspect of the present utility model, the circumferential outer wall of the housing is provided with an anti-corrosive coating.

As a still further proposal of the utility model, the top of the shell is fixedly connected with a flange, and the top of the flange is fixedly connected with a shock pad.

As a still further scheme of the utility model, the bottoms of the fixing seats are fixedly connected with fixing ribs, and the fixing ribs are fixed with the shell.

As a still further scheme of the utility model, the inner wall of the top of the shell is fixedly connected with two multi-section telescopic rods, and the telescopic ends of the multi-section telescopic rods are fixed with the sliding blocks.

The beneficial effects of the utility model are as follows:

1. through the cooperation of bolt, slider and rack, the pulling bolt moves to the outside to make the slider no longer receive the fixed restriction of bolt, spring rebound extension promotes the slider and moves downwards, and the slider drives rack and spout alignment, and the torsional spring drives the rack and rotates, thereby stretches to the outside of casing in making the rack follow the spout, and then makes rack and tooth's socket break away from the contact, makes the rack no longer restrict fixedly to the milling cutter body, then makes the change that milling cutter body can be quick, and it is complicated to use the tool to dismantle when changing to avoid leading to complex operation, has improved the change effect of device.

2. Through the setting of installing bolt on the fixing base, when needs install the device, insert the milling cutter body inside the casing, then insert the slider with the bolt in, then screw up the bolt to make bolt and bolt in close contact, increased the static friction between bolt and the bolt, and then make the bolt obtain fixing, avoid the device when using, the bolt takes place to break away from with the slider, improved the result of use of device.

3. Through the setting of installation multisection telescopic link on the slider, when the slider slides from top to bottom in the casing, multisection telescopic link can make the gliding more steady of slider, avoids the slider to take place to rock in the casing and produce the friction with the casing to make the gliding more stable of slider, improved the stable effect of device.

Drawings

FIG. 1 is a schematic perspective view of a blade holding mechanism for facilitating quick replacement according to the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of the blade holding mechanism according to the present utility model for facilitating quick replacement;

FIG. 3 is a schematic cross-sectional view of a housing of a blade holding mechanism according to the present utility model for facilitating quick replacement;

fig. 4 is a schematic view of a partially enlarged structure of a blade holding mechanism according to the present utility model, which is convenient for quick replacement.

In the figure: 1. a milling cutter body; 2. an anti-corrosion coating; 3. a housing; 4. a flange plate; 5. a shock pad; 6. a chute; 7. a tension spring; 8. a plug pin; 9. a fixing seat; 10. a bolt; 11. fixing ribs; 12. tooth slots; 13. a fixed block; 14. a slide block; 15. a multi-section telescopic rod; 16. a spring; 17. a rack; 18. a torsion spring; 19. a groove.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments.

Referring to fig. 1-4, a blade fixture convenient to quick replacement, including milling cutter body 1 and casing 3, milling cutter body 1 sliding connection is in the inside of casing 3, a plurality of tooth's socket 12 have been seted up to milling cutter body 1's annular side, two spouts 6 have been seted up to casing 3's annular side, the top inner wall welding of casing 3 has spring 16, the other end welding of spring 16 has slider 14, slider 14's annular side welding has two fixed blocks 13, one side rotation of fixed block 13 is connected with rack 17, and rack 17 meshes with two tooth's socket 12 wherein, torsion spring 18 has all been cup jointed in rack 17's both sides, and the both ends of torsion spring 18 are fixed with fixed block 13 and rack 17 respectively, two recesses 19 have been seted up to slider 14's annular side, casing 3's annular side sliding connection has two bolts 8, and bolt 8 are pegged graft with recess 19 mutually, one side welding of bolt 8 has extension spring 7, and extension spring 7 is fixed with casing 3 mutually, the pulling bolt 8 is outside and remove, thereby make slider 14 no longer receive 8's fixed restriction, spring 16 stretches and promotes slider 14 and moves down, slider 14, rack 17 drives rack 17 and rack 17 are fixed with rack 17 and are fixed to the inside the body, and the complex operation is followed to change when rack 17 is fixed to the rack 17, and the change the milling cutter is used to the body is difficult to the change, and the complex operation is avoided to the milling cutter to be used to the body to rotate, and then the inside the milling cutter to be contacted with the rack 17 to the inside the body is replaced.

According to the utility model, a plurality of fixing seats 9 are welded on the annular side surface of the shell 3, bolts 10 are connected with the inner threads of the fixing seats 9, when the device is required to be installed, the milling cutter body 1 is inserted into the shell 3, then the bolts 8 are inserted into the sliding blocks 14, and then the bolts 10 are screwed down, so that the bolts 10 are in close contact with the bolts 8, the static friction force between the bolts 10 and the bolts 8 is increased, the bolts 8 are fixed, the bolts 8 are prevented from being separated from the sliding blocks 14 when the device is used, the anti-corrosion coating 2 is arranged on the circumferential outer wall of the shell 3, the anti-corrosion coating 2 has better corrosion resistance, the surface of the shell 3 is protected from being corroded, the service life of the shell 3 is prolonged, the flange 4 is welded on the top of the shell 3, the top of the flange 4 is adhered with the shock pad 5, the shock pad 5 can be reduced, the shock generated by a machine tool in operation is transmitted to the flange 4, the device is enabled to be more stable when in use, the bottoms of the plurality of fixing seats 9 are welded with fixing ribs 11, the fixing ribs 11 are fixed with the shell 3, the fixing ribs 11 can be increased, the fixing ribs 11 can be separated from the sliding blocks 9 and the sliding blocks 14 are prevented from being connected with the sliding blocks 14 in the shell 3, and the sliding blocks 14 are prevented from sliding down the sliding blocks 14, and the sliding blocks 14 are more stably connected with the inner walls of the shell 3, and the sliding blocks 14 are prevented from sliding down the sliding blocks 14, and the sliding rods 14 are more stably between the sliding blocks 14 and the sliding blocks 14 are arranged in the shell 3, and can be stably slide on the inner sides and stably, and sliding rod 14 are prevented.

Working principle: when the milling cutter body 1 needs to be replaced, firstly, the bolt 10 is screwed by a tool, the bolt 10 rotates and is separated from contact with the bolt 8 through threaded connection between the bolt 10 and the fixing seat 9, so that the bolt 10 releases friction limitation on the bolt 8, then the bolt 8 is manually pulled to move outwards in the shell 3, the tension spring 7 is stressed and prolonged, so that the bolt 8 and the groove 19 are separated from the plug connection, the sliding block 14 is not limited by the fixing of the bolt 8, at the moment, under the action of elastic force of the spring 16, the spring 16 rebounds to stretch to push the sliding block 14 to move downwards in the shell 3, the sliding block 14 drives the multi-section telescopic rod 15 to stretch downwards, when the sliding block 14 moves downwards to a proper position, the sliding block 14 drives the rack 17 to be completely aligned with the sliding groove 6, at the moment, the torsion spring 18 is elastically deformed under the torsion of the torsion spring 18, the rack 17 is driven to rotate, so that the rack 17 stretches outwards from the sliding groove 6, the rack 17 is separated from the contact with the tooth groove 12, the milling cutter body 1 is not limited and fixed, the milling cutter body 1 can be replaced quickly, and finally, the milling cutter body 1 is replaced quickly, and the device with the milling cutter body 1 is fixed with the outside through the machine tool 4.

The present utility model has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described.

Claims

1. The utility model provides a blade fixture convenient to quick replacement, includes milling cutter body (1) and casing (3), inside at casing (3) milling cutter body (1) sliding connection, a serial communication port, a plurality of tooth's socket (12) have been seted up to the annular side of milling cutter body (1), two spouts (6) have been seted up to the annular side of casing (3), the top inner wall fixedly connected with spring (16) of casing (3), the other end fixedly connected with slider (14) of spring (16), the annular side fixedly connected with two fixed blocks (13) of slider (14), one side swing joint of fixed block (13) has rack (17), and rack (17) mesh with two tooth's socket (12) wherein, torsional spring (18) have all been cup jointed in the both sides of rack (17), and the both ends of torsional spring (18) are fixed with fixed block (13) and rack (17) respectively, two recess (19) have been seted up to the annular side of slider (14), the annular side swing joint of casing (3) has two extension springs (8), and recess (19) are connected with extension spring (8) and extension spring (7) are fixed mutually.

2. The blade clamping mechanism convenient for quick replacement according to claim 1, wherein a plurality of fixing seats (9) are fixedly connected to the annular side face of the shell (3), and bolts (10) are connected to the inner threads of the fixing seats (9).

3. A blade holding mechanism facilitating quick change according to claim 2, characterized in that the circumferential outer wall of the housing (3) is provided with an anti-corrosive coating (2).

4. A blade clamping mechanism convenient for quick replacement according to claim 3, wherein the top of the housing (3) is fixedly connected with a flange plate (4), and the top of the flange plate (4) is fixedly connected with a shock pad (5).

5. A blade clamping mechanism convenient for quick replacement according to claim 2, wherein the bottoms of the fixing seats (9) are fixedly connected with fixing ribs (11), and the fixing ribs (11) are fixed with the shell (3).

6. The blade clamping mechanism convenient for quick replacement according to claim 4, wherein two multi-section telescopic rods (15) are fixedly connected to the inner wall of the top of the shell (3), and the telescopic ends of the multi-section telescopic rods (15) are fixed with the sliding blocks (14).