CN217316203U - Carbide saw bit easy to assemble - Google Patents

Abstract

The utility model discloses a carbide saw bit easy to assemble relates to alloy saw bit technical field, to the inconvenient problem of current alloy saw bit installation, the following scheme of present proposition, and it includes the ring flange, ring flange one side fixedly connected with output shaft, ring flange opposite side fixedly connected with installation axle, installation axle movable sleeve is equipped with the saw bit, install the installation intracavity portion and seted up the installation chamber, it is connected with the bull stick to rotate through the bearing in the installation intracavity. The utility model discloses be equipped with a plurality of restriction poles on installation axle, with offer the draw-in groove cooperation on the saw bit, rotate through the drive cam and drive a set of restriction pole and draw-in groove cooperation, fix the saw bit on installation epaxially, and be provided with the mounting panel, through cooperating with the saw bit, prevent that the cam from producing the rotation, lead to connecting to produce not hard up, the installation is quick simple and convenient.

Description

An easy-to-install carbide saw blade

technical field

The utility model relates to the technical field of alloy saw blades, in particular to a cemented carbide saw blade which is convenient for installation.

Background technique

Alloy saw blade, also known as cemented carbide saw blade, is a circular saw blade that has several teeth on a round thin steel plate after processing and heat treatment, and a cemented carbide cutter head is embedded in the teeth.

The existing alloy saw blade installation method is usually fixed on the main shaft through a chuck, and the chuck is connected to the main shaft through a threaded connection. There is an urgent need for an easy-to-install carbide saw blade, which is convenient for workers to install and remove the saw blade.

Utility model content

The utility model proposes a hard alloy saw blade which is easy to install, which solves the problem of inconvenient installation of the existing alloy saw blade.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

An easy-to-install carbide saw blade includes a flange, one side of the flange is fixedly connected with a main shaft, the other side of the flange is fixedly connected with an installation shaft, and the installation shaft is sleeved with a movable sleeve. A saw blade, an installation cavity is opened inside the installation shaft, a rotating rod is rotatably connected in the installation cavity through a bearing, the other end of the rotating rod extends to the outside of the installation shaft, and the installation shaft is provided with symmetrically distributed chutes, The chute communicates with the installation cavity, and the inside of the chute is longitudinally slidably connected with a restriction rod, the saw blade is provided with a symmetrically distributed clamping slot, the restriction rod is slidably matched with the clamping groove, and the rotating rod located inside the installation cavity A cam is fixedly connected, the cam is slidably matched with the limit rod, the limit rod located inside the installation cavity is fixedly connected with a number of baffles, one side of the baffle is fixedly connected with a first spring, and the other end of the first spring is fixedly connected on the inner wall of the installation cavity.

Preferably, symmetrically distributed grooves are opened on the side of the flange plate close to the saw blade, the grooves are horizontally slidably connected with clamping blocks, and a plurality of second springs are fixedly connected in the grooves. The other ends of the two springs are fixedly connected to the clamping block, a rectangular groove corresponding to the clamping block is formed on the side of the saw blade close to the flange, and the clamping block is slidably matched with the rectangular groove.

Preferably, the end of the rotating rod away from the cam extends to the outside of the installation shaft, and a vertical plate is fixedly connected, the rotating rod outside the installation shaft is movably sleeved with a mounting plate, and a restriction groove is opened in the mounting plate, and the The rotating rod is fixedly connected with a driving block, the driving block slides horizontally in the limiting groove, a third spring is fixedly connected to one side of the vertical plate close to the mounting plate, and the other end of the third spring is fixedly connected to the mounting plate.

Preferably, the mounting plate is provided with symmetrically distributed stepped grooves, a sliding rod is longitudinally slidably connected in the stepped groove, a restoring spring is fixedly connected in the stepped groove, and the other end of the restoring spring is fixedly connected to the sliding rod, One end of the sliding rod away from the return spring extends to the outside of the mounting plate, and a round rod is fixedly connected, a pull rod is longitudinally slidably connected in the stepped groove, one end of the pull rod extends to the outside of the stepped groove, and the other end of the pull rod is fixedly connected In the sliding rod, a plurality of matching grooves are provided on the outside of the saw blade, and the round rod is slidably matched with the matching grooves.

Preferably, a pulley is hinged at one end of the restriction rod close to the cam through a hinge, and the pulley is slidably matched with the cam.

Preferably, the length of the restriction groove is greater than the length of the round rod.

In this utility model:

Through the cooperative use of various components, the beneficial effects are as follows:

1. The utility model is provided with a number of limit rods on the installation shaft, which cooperate with the card grooves provided on the saw blade, and a set of limit rods are driven to cooperate with the card grooves through the rotation of the driving cam, and the saw blade is fixed on the installation shaft, and A mounting plate is provided, which cooperates with the saw blade to prevent the cam from rotating, resulting in loose connection, and the installation process is quick and easy.

2. The utility model can clamp the two sides of the saw blade through the arrangement of several clamping blocks and round rods, and cooperate with the limit rod to further improve the stability of the saw blade installation, and the installation process is fast and easy to use.

Description of drawings

Fig. 1 is the structural representation of a kind of easy-to-install cemented carbide saw blade proposed by the utility model;

Fig. 2 is the structural representation of a kind of convenient installation of cemented carbide saw blade transfer rod proposed by the utility model;

3 is a schematic structural diagram of a saw blade in a kind of easy-to-install cemented carbide saw blade proposed by the utility model;

FIG. 4 is a partial enlarged view of part A in FIG. 2 .

Labels in the figure: 1, flange plate; 2, main shaft; 3, installation shaft; 4, saw blade; 5, installation cavity; 6, rotary rod; 7, limit rod; 8, card slot; 9, cam; 10, The first spring; 11, the clamping block; 12, the second spring; 13, the vertical plate; 14, the mounting plate; 15, the driving block; 16, the third spring; 17, the sliding rod; 18, the return spring; 19, the round rod ; 20, pulley.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Referring to Figures 1-4, a cemented carbide saw blade for easy installation includes a flange 1, one side of the flange 1 is fixedly connected with a main shaft 2, and the other side of the flange 1 is fixedly connected with a mounting shaft 3. A saw blade 4 is provided on the movable sleeve of the shaft 3, and an installation cavity 5 is opened inside the installation shaft 3. The installation cavity 5 is rotatably connected with a rotating rod 6 through a bearing. The other end of the rotating rod 6 extends to the outside of the installation shaft 3, and the installation shaft 3 is provided with Symmetrically distributed chute, the chute communicates with the installation cavity 5, and a limit rod 7 is longitudinally slidably connected inside the chute, and the saw blade 4 is provided with a symmetrically distributed card slot 8, and the limit rod 7 slides with the card slot 8 and is located in the installation cavity. A cam 9 is fixedly connected to the rotating rod 6 inside the mounting cavity 5, and the cam 9 is slidably matched with the limit rod 7. The limit rod 7 located inside the installation cavity 5 is fixedly connected with a number of baffles, and a first spring 10 is fixedly connected to one side of the baffle. The other end of a spring 10 is fixedly connected to the inner wall of the installation cavity 5, the saw blade 4 is installed on the installation shaft 3, the rotation rod 6 is rotated, the rotation of the rotation rod 6 drives the cam 9 to rotate, and the rotation of the cam 9 drives the longitudinal movement of the limit rod 7, so that the limit The rod 7 cooperates with the slot 8 to fix the saw blade 4 on the installation shaft 3 .

The side of the flange 1 close to the saw blade 4 is provided with symmetrically distributed grooves, the clamping blocks 11 are horizontally slidably connected in the grooves, a plurality of second springs 12 are fixedly connected in the grooves, and the other end of the second springs 12 is fixedly connected In the clamping block 11, the side of the saw blade 4 close to the flange 1 is provided with a rectangular groove corresponding to the clamping block 11. The clamping block 11 is slidably matched with the rectangular groove, and the saw blade 4 is installed on the installation shaft 3, so that the rectangular groove is Match with the clamping block 11 and press the clamping block 11 so that the flange 1 can drive the saw blade 4 to rotate.

The end of the rotating rod 6 away from the cam 9 extends to the outside of the installation shaft 3, and is fixedly connected with a vertical plate 13. The rotating rod 6 located outside the installation shaft 3 is movably sleeved with a mounting plate 14. The rod 6 is fixedly connected with a driving block 15, and the driving block 15 slides horizontally in the restricting groove. A third spring 16 is fixedly connected to one side of the vertical plate 13 close to the mounting plate 14, and the other end of the third spring 16 is fixedly connected to the mounting plate 14. Rotating the mounting plate 14 drives the driving block 15 to move, and then drives the rotating rod 6 to rotate.

The mounting plate 14 is provided with symmetrically distributed stepped grooves. A sliding rod 17 is longitudinally slidably connected in the stepped groove. A return spring 18 is fixedly connected in the stepped groove. One end of the 18 extends to the outside of the mounting plate 14, and is fixedly connected with a round rod 19. A pull rod is longitudinally slidably connected in the stepped groove. One end of the pull rod extends to the outside of the stepped groove, and the other end of the pull rod is fixedly connected to the sliding rod 17. There are several matching grooves, the round rod 19 is slidably matched with the matching groove, pull the pull rod, drive the sliding rod 17 into the stepped groove, pull the mounting plate 14 close to the vertical plate 13, then rotate the mounting plate 14, drive the rotating rod 6 to rotate, and then drive the cam 9 rotates, the cam 9 rotates to drive the limit rod 7 into the chute, which is convenient to install the saw blade 4 on the installation shaft 3, loosen the installation plate 14, the elastic force of the third spring 16 drives the installation plate 14 to move horizontally, and the installation plate 14 moves The sliding rod 17 is driven to move, and the movement of the sliding rod 17 drives the round rod 19 to cooperate with the matching groove to prevent the mounting plate 14 from rotating, so that the rotating rod 6 drives the cam 9 to rotate, thereby causing the limiting rod 7 to be disengaged from the card slot 8, resulting in the saw blade 4 The fixation is loose.

A pulley 20 is hinged on one end of the limit rod 7 close to the cam 9 through a hinge, and the pulley 20 is slidingly matched with the cam 9 .

The length of the restriction groove is greater than the length of the round rod 19 to prevent the restriction groove from being too short, causing the mounting plate 14 to be unable to drive the round rod 19 to move to the outside of the matching groove, thereby blocking the movement of the saw blade 4 on the mounting shaft 3.

working principle:

When the utility model is in use, pull the pull rod to drive the sliding rod 17 into the stepped groove, pull the mounting plate 14 close to the vertical plate 13, then rotate the mounting plate 14, drive the rotating rod 6 to rotate, and then drive the cam 9 to rotate, and the rotation of the cam 9 drives the restriction The rod 7 enters the chute, and the saw blade 4 is installed on the installation shaft 3, so that the rectangular groove is matched with the clamping block 11, and the clamping block 11 is pressed, so that the flange 1 can drive the saw blade 4 to rotate, loosen the pull rod, The elastic force of the return spring 18 drives the sliding rod 17 to move longitudinally, which in turn drives the circular rod 19 to move, and rotates the mounting plate 14 to drive the drive block 15 to move, which in turn drives the rotating rod 6 to rotate. The rotation of the rotating rod 6 drives the cam 9 to rotate, and the cam 9 rotates to drive The restricting rod 7 moves longitudinally, so that the restricting rod 7 cooperates with the slot 8, the saw blade 4 is fixed on the mounting shaft 3, the mounting plate 14 is loosened, the elastic force of the third spring 16 drives the mounting plate 14 to move horizontally, and the mounting plate 14 moves The sliding rod 17 is driven to move, and the sliding rod 17 moves the round rod 19 to cooperate with the matching groove to prevent the mounting plate 14 from rotating, so that the rotating rod 6 drives the cam 9 to rotate, thereby making the limiting rod 7 separate from the card slot 8, resulting in the saw blade 4 The fixation is loose.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A cemented carbide saw blade for easy installation, comprising a flange (1), characterized in that a main shaft (2) is fixedly connected to one side of the flange (1), and the flange (1) ) An installation shaft (3) is fixedly connected to the other side, the installation shaft (3) is movably sleeved with a saw blade (4), and an installation cavity (5) is opened inside the installation shaft (3), and the installation cavity (5) A rotating rod (6) is rotatably connected through a bearing, and the other end of the rotating rod (6) extends to the outside of the installation shaft (3), and the installation shaft (3) is provided with symmetrically distributed sliding grooves. The chute is communicated with the installation cavity (5), a restriction rod (7) is longitudinally slidably connected inside the chute, the saw blade (4) is provided with symmetrically distributed clamping grooves (8), and the restriction rod (7) In sliding fit with the slot (8), the rotating rod (6) located inside the installation cavity (5) is fixedly connected with a cam (9), and the cam (9) slides in cooperation with the limiting rod (7) and is located in the installation cavity (5). ) inside the limiting rod (7) is fixedly connected with several baffles, one side of the baffle is fixedly connected with a first spring (10), and the other end of the first spring (10) is fixedly connected to the inner wall of the installation cavity (5) . 2. A kind of easy-to-install cemented carbide saw blade according to claim 1, characterized in that, the side of the flange (1) close to the saw blade (4) is provided with symmetrically distributed grooves, so A clamping block (11) is horizontally slidably connected in the groove, a plurality of second springs (12) are fixedly connected in the groove, and the other end of the second spring (12) is fixedly connected to the clamping block (11), so The side of the saw blade (4) close to the flange (1) is provided with a rectangular groove corresponding to the clamping block (11), and the clamping block (11) is slidably matched with the rectangular groove. 3. The easy-to-install cemented carbide saw blade according to claim 1, wherein the end of the rotating rod (6) away from the cam (9) extends to the outside of the installation shaft (3) and is fixedly connected There is a vertical plate (13), a rotating rod (6) located outside the mounting shaft (3) is movably sleeved with a mounting plate (14), a limiting groove is opened in the mounting plate (14), and the rotating rod (6) A drive block (15) is fixedly connected, the drive block (15) slides horizontally in the limiting groove, and a third spring (16) is fixedly connected to the side of the vertical plate (13) close to the mounting plate (14), so The other end of the third spring (16) is fixedly connected to the mounting plate (14). 4 . The easy-to-install cemented carbide saw blade according to claim 3 , wherein the mounting plate ( 14 ) is provided with symmetrically distributed stepped grooves, and a sliding rod is longitudinally slidably connected in the stepped grooves. 5 . (17), a return spring (18) is fixedly connected in the stepped groove, and the other end of the return spring (18) is fixedly connected to the sliding rod (17), and the sliding rod (17) is away from the return spring (18). One end extends to the outside of the mounting plate (14) and is fixedly connected with a round rod (19), a pull rod is longitudinally slidably connected in the stepped groove, one end of the pull rod extends to the outside of the stepped groove, and the other end of the pull rod is fixedly connected to the slide. A rod (17), a plurality of matching grooves are formed on the outside of the saw blade (4), and the round rod (19) is slidably matched with the matching grooves. 5. The easy-to-install cemented carbide saw blade according to claim 1, wherein a pulley (20) is hinged on one end of the limiting rod (7) close to the cam (9) through a hinge, and the pulley is hinged with a pulley (20). (20) slidingly fits with the cam (9). 6 . The easy-to-install cemented carbide saw blade according to claim 4 , wherein the length of the restriction groove is greater than the length of the round rod ( 19 ). 7 .

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