CN219169774U

CN219169774U - Circular saw blade with detachable tool bit

Info

Publication number: CN219169774U
Application number: CN202223538006.3U
Authority: CN
Inventors: 陈政中; 康建清
Original assignee: Xinding Knives Manufactre Co ltd
Current assignee: Xinding Knives Manufactre Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-13
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a circular saw blade with a detachable tool bit, which comprises a tool disc, wherein the tool disc is provided with a mounting groove, four symmetrically arranged mounting holes are formed in the mounting groove, a plurality of notches are formed in the tool disc, a mounting block is slidably mounted in the notches, a clamping mechanism is arranged on the mounting block and is matched with the notches, a right-angle groove is formed in the mounting block, a tool bit body is mounted in the right-angle groove, screw holes are formed in two sides of the right-angle groove, bolts are connected in the screw holes in a threaded mode, and the bolts are matched with the tool bit body. This circular saw blade of dismantled and assembled tool bit through setting up the effect of toper fixture block at the top spring, can remove in the draw-in groove to form the clamping with between the draw-in groove and be connected, and then fix the installation piece, and through the intermeshing of pinion and two racks, thereby be convenient for shift out the draw-in groove to the toper fixture block, and then be convenient for dismantle the installation piece.

Description

Circular saw blade with detachable tool bit

Technical Field

The utility model relates to the technical field of circular saws, in particular to a circular saw blade with a detachable tool bit.

Background

Circular saw refers to a toothed tool for cutting steel. The metal circular saw can easily cut steel just as easily as a conventional 2x4's hose. The circular saw adopts unique material and tooth form, and compared with previous products, the cutting metal is faster, and the chip disposal ability is stronger, and the cutting process does not transfer heat. The metal saw blade on the circular saw has wide application in cutting stone, ceramic and other decorative materials due to convenient use and rapid and stable cutting. At present, a saw blade generally adopts a tooth part welding tool bit mode, but the saw tooth connection mode has a plurality of defects.

The existing saw blade bit is generally directly welded on the saw blade, and is easy to wear and difficult to replace due to long-time use, so that a circular saw blade with a detachable bit is provided.

Disclosure of Invention

The utility model aims to provide a circular saw blade with a detachable tool bit, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a circular saw blade of dismantled and assembled tool bit, includes the blade disc, be equipped with mounting groove on the blade disc, four symmetrically set up the mounting hole in the mounting groove, a plurality of notches have been seted up on the blade disc, sliding fit has the installation piece in the notch, be equipped with clamping mechanism on the installation piece, clamping mechanism with the mutually supporting of notch, right angle groove has been seted up on the installation piece, install the tool bit body in the right angle groove, the screw has all been seted up to the both sides in right angle groove, screw female connection has the bolt, the bolt with the tool bit body mutually supporting.

Preferably, positioning grooves are formed in two sides of the mounting block, and the positioning grooves are connected with inner walls of two sides of the notch in a sliding mode.

Preferably, the clamping mechanism comprises two conical clamping blocks, the two conical clamping blocks are respectively and slidably mounted on the inner walls of the two positioning grooves, clamping grooves are formed in the inner walls of the two sides of the notch, and the clamping grooves are matched with the conical clamping blocks.

Preferably, a chute is formed in the inner wall of the positioning groove, the conical clamping blocks are in sliding connection with the chute, a top spring is fixedly mounted on the inner wall of one side, close to each other, of each chute, and the top spring is fixedly connected with the conical clamping blocks.

Preferably, the installation block is rotatably connected with a rotating shaft, a micro gear is fixedly installed on the rotating shaft, a rack is fixedly installed on one side of the conical clamping block, the rack is in sliding connection with one side inner wall of the sliding groove, and the micro gear is meshed with the two racks.

Preferably, the mounting block is provided with a placing groove, a rotating head is rotationally connected to the inner wall of the placing groove, the rotating head is fixedly connected with the rotating shaft, and a cross groove is formed in the rotating head.

Advantageous effects

The utility model provides a circular saw blade with a detachable tool bit, which has the following beneficial effects:

1. according to the circular saw blade with the detachable tool bit, the positioning groove is arranged to be in sliding connection with the inner wall of the notch, and the right-angle groove is matched with the tool bit body, so that the mounting block is convenient to fix in the notch, and meanwhile, the tool bit body can be conveniently mounted and dismounted through the bolt;

2. this circular saw blade of dismantled and assembled tool bit through setting up the effect of toper fixture block at the top spring, can remove in the draw-in groove to form the clamping with between the draw-in groove and be connected, and then fix the installation piece, and through the intermeshing of pinion and two racks, thereby be convenient for shift out the draw-in groove to the toper fixture block, and then be convenient for dismantle the installation piece.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic cross-sectional view of a mounting block of the present utility model;

FIG. 4 is a schematic perspective view of a mounting block according to the present utility model;

FIG. 5 is a schematic view of the portion A of FIG. 2 according to the present utility model.

In the figure: 1. a cutterhead; 2. a mounting groove; 3. a mounting hole; 4. a notch; 5. a mounting block; 6. a chute; 7. a conical clamping block; 8. a clamping groove; 9. a top spring; 10. a placement groove; 11. turning the head; 12. a rotating shaft; 13. a micro gear; 14. a rack; 15. a positioning groove; 16. a right angle slot; 17. a cutter head body; 18. a screw hole; 19. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the circular saw blade with the detachable cutter head comprises a cutter head 1, wherein an installation groove 2 is formed in the cutter head 1, four symmetrically arranged installation holes 3 are formed in the installation groove 2, a plurality of notches 4 are formed in the cutter head 1, installation blocks 5 are slidably installed in the notches 4, positioning grooves 15 are formed in two sides of the installation blocks 5, the positioning grooves 15 are slidably connected with inner walls of two sides of the notches 4, the positioning grooves 15 are slidably connected with the inner walls of the notches 4, so that the installation blocks 5 can be fixed on the inner walls of the notches 4 at transverse positions, and further force on a cutter head body 17 directly acts on the inner walls of the notches 4 through the installation blocks 5 when the cutter head 1 rotates, so that loosening and falling phenomena occur when the installation blocks 5 are placed, a clamping mechanism is arranged on the installation blocks 5 on the cutter head body 17, and the clamping mechanism is matched with the notches 4;

the right angle groove 16 is formed in the mounting block 5, the cutter head body 17 is mounted in the right angle groove 16, screw holes 18 are formed in two sides of the right angle groove 16, bolts 19 are connected with the screw holes 18 in a threaded mode, the bolts 19 are matched with the cutter head body 17, the right angle groove 16 is connected with the cutter head body 17 through the bolts 19, the cutter head body 17 can be fixed on the mounting block 5 due to the right angle effect, the right angle of the cutter head body 17 has clamping effect on the cutter head body 17, and then force on the cutter head body 17 directly acts on the mounting block 5.

The clamping mechanism comprises two conical clamping blocks 7, the two conical clamping blocks 7 are respectively and slidably mounted on the inner walls of the two positioning grooves 15, clamping grooves 8 are formed in the inner walls of the two sides of the notch 4, the clamping grooves 8 are matched with the conical clamping blocks 7, and the clamping grooves 8 are clamped with the conical clamping blocks 7 in a matched mode, so that the vertical positions of the mounting blocks 5 can be positioned.

The chute 6 has been seted up on the inner wall of constant head tank 15, toper fixture block 7 and chute 6 sliding connection, equal fixed mounting has a top spring 9 on the inner wall of one side that two spouts 6 are close to each other, top spring 9 and toper fixture block 7 fixed connection, sliding connection of chute 6 and toper fixture block 7, and the effect of top spring 9 to toper fixture block 7 for toper fixture block 7 has the activity space, and in moving to draw-in groove 8 when the draw-in groove 8 position automatic card goes into, thereby fix installation piece 5.

The installation piece 5 is gone up to rotate and is connected with pivot 12, fixedly mounted has miniature gear 13 in the pivot 12, and one side fixed mounting of toper fixture block 7 has rack 14, and rack 14 and one side inner wall sliding connection of spout 6, miniature gear 13 and two rack 14 intermeshing miniature gear 13 are through the intermeshing with rack 14 for pivoted pivot 12 can drive toper fixture block 7 and remove, and then be convenient for toper fixture block 7 break away from the clamping with draw-in groove 8, thereby the dismantlement of installation piece 5 is convenient for.

The standing groove 10 has been seted up on the installation piece 5, rotates on the inner wall of standing groove 10 and is connected with the turning head 11, turning head 11 and pivot 12 fixed connection, has seted up the cross groove on the turning head 11, and the setting of cross groove can be convenient for rotate pivot 12 through the instrument, and the setting of standing groove 10 can prevent simultaneously that turning head 11 from exposing in the installation piece 5 outside, prevents that resistance from appearing in turning head 11 when the cutting.

Working principle: when installing tool bit body 17, place tool bit body 17 in right angle groove 16, and through the effect of bolt 19, thereby fix tool bit body 17 on installation piece 5, simultaneously insert installation piece 5 in notch 4 through constant head tank 15, make notch 4 transversely fix installation piece 5, when installation piece 5 drive toper fixture block 7 remove draw-in groove 8 position, toper fixture block 7 removes in draw-in groove 8 under the effect of top spring 9, thereby carry out vertical position to installation piece 5 and fix tool bit body 17, when dismantling when needs, rotate swivel 11, swivel 11 drives pivot 12 rotation, the intermeshing of pivot 12 through micro-gear 13 and rack 14, thereby can drive toper fixture block 7 and shift out in the draw-in groove 8, thereby be convenient for take out.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circular saw blade of dismantled and assembled tool bit, includes blade disc (1), its characterized in that, be equipped with mounting groove (2) on blade disc (1), four mounting holes (3) that the symmetry set up have been seted up in mounting groove (2), a plurality of notches (4) have been seted up on blade disc (1), sliding mounting has installation piece (5) in notch (4), be equipped with clamping mechanism on installation piece (5), clamping mechanism with the mutually supporting of notch (4), right angle groove (16) have been seted up on installation piece (5), install tool bit body (17) in right angle groove (16), screw (18) have all been seted up to the both sides in right angle groove (16), threaded connection has bolt (19) in screw (18), bolt (19) with tool bit body (17) mutually supporting.

2. The circular saw blade with a detachable blade according to claim 1, wherein: positioning grooves (15) are formed in two sides of the mounting block (5), and the positioning grooves (15) are connected with inner walls of two sides of the notch (4) in a sliding mode.

3. The circular saw blade with a detachable blade according to claim 2, wherein: the clamping mechanism comprises two conical clamping blocks (7), the two conical clamping blocks (7) are respectively and slidably mounted on the inner walls of the positioning grooves (15), clamping grooves (8) are formed in the inner walls of the two sides of the notch (4), and the clamping grooves (8) are matched with the conical clamping blocks (7).

4. A circular saw blade with a removable cutting head as defined in claim 3, wherein: the sliding chute (6) is arranged on the inner wall of the positioning groove (15), the conical clamping blocks (7) are in sliding connection with the sliding chute (6), the two side inner walls of the sliding chute (6) close to each other are fixedly provided with top springs (9), and the top springs (9) are fixedly connected with the conical clamping blocks (7).

5. The circular saw blade with a detachable tool bit according to claim 4, wherein: the mounting block (5) is rotationally connected with a rotating shaft (12), the rotating shaft (12) is fixedly provided with a micro gear (13), one side of the conical clamping block (7) is fixedly provided with a rack (14), the rack (14) is in sliding connection with one side inner wall of the sliding groove (6), and the micro gear (13) is meshed with two racks (14).

6. The circular saw blade with a detachable blade according to claim 5, wherein: the mounting block (5) is provided with a placing groove (10), the inner wall of the placing groove (10) is rotationally connected with a rotating head (11), the rotating head (11) is fixedly connected with the rotating shaft (12), and the rotating head (11) is provided with a cross groove.