CN202344597U - Blade locking block - Google Patents

Abstract

The utility model discloses a blade locking piece, wherein a blade is mounted on the blade locking piece, a mounting hole is formed in the blade, and the blade is provided with two points dagonally arranged and extending to the two ends in the length direction of the blade; the blade locking piece comprises a base, a screw thread through hole, two edge bulges, a shaft end bulge, and a blade mounting groove, wherein the base is provided with a first end and a second end in the length direction of the base, as well as a first edge and a second edge in the width direction of the base, a protruding end protruding outward in the length direction of the base is arranged at the first end and in a position close to the first edge, the protruding end is connected with a cutter shaft, and an arc-shaped indent is formed at the first end and in a position close to the second edge; the screw thread through hole is formed in the base and in a position close to the second end; the two edge bulges are respectively arranged on the edges of the first edge and the second edge; the shaft end bulge is arranged at the protruding end; the shaft end bulge and the two edge bulges form a blade mounting groove on the base, and the distance between the shaft end bulge and the screw thread through hole is smaller than that between each point and the mounting hole.

Description

A kind of blade lock dog

Technical field

The utility model relates to a kind of cutter part, relates in particular to a kind of blade fixture.

Background technology

The blade of the dither cutter that automatic cutting machines is used is provided with an installing hole, and it has two points of a knife that extend to two ends along the length direction of blade, two point of a knife diagonal angle settings on blade.Blade is to be fixedly mounted on the cutter shaft, generally use the blade lock dog with the blade clamping on cutter shaft, fixturing blade will make point of a knife overlap with cutter shaft basically.

But because prior blade lock dog blade installs and to have no qualification, make that blade is positive and negative can install, promptly can install to position to the blade point of a knife from a blade width of cutter shaft center line.Therefore blade maybe be because of adorning mistake, and cause blade when cutting, to fracture, thereby make blade scrap, the blade of having to more renew.

Summary of the invention

The purpose of the utility model provides a kind of blade lock dog, and this blade lock dog can only be installed on the blade lock dog blade through the structure of original blade lock dog is improved with correct mode.

According to above-mentioned utility model purpose; The utility model provides a kind of blade lock dog, a blade is installed on it, said blade is provided with an installing hole; Have two points of a knife that extend to two ends along the length direction of blade on the said blade, two point of a knife diagonal angle settings on said blade; Said blade lock dog comprises:

One pedestal; It has along first end of its length direction and second end and along first edge and second edge of its width; Said first end has one along the outwardly directed jag of the length direction of pedestal near first edge; Said jag is a cutter shaft link, and said first end is an arc indent near second edge; On the said pedestal near the second end place, on the thickness direction of said pedestal, offer a tapped through hole;

Two edges are protruding, raise up from pedestal on the thickness direction of pedestal along said first edge and second edge respectively;

One axle head is protruding, and it is arranged at the jag of said pedestal, and said axle head convexity raises up from pedestal on the thickness direction of pedestal;

Said axle head is protruding to form a blade installation slot with two edge convexities on said pedestal, the distance between said axle head convexity and the tapped through hole is less than the distance between said point of a knife and the installing hole.

When blade was installed, blade can only be stuck in the blade installation slot on the pedestal with the correct installation direction, and was fixed on blade on the blade lock dog through installing hole on the coupling blade and the tapped through hole on the blade lock dog pedestal.If when transferring turnback to install on blade; Be that blade is when oppositely installing; Because the distance between axle head convexity and the tapped through hole makes the point of a knife of blade one end to be blocked by the axle head convexity less than the distance between point of a knife and the installing hole, makes blade can't stick in the blade installation slot; Thereby make blade to be installed in the mounting means of mistake on the blade lock dog, and then avoided owing to the wrong problem that causes blade to fracture in use of installing.

In above-mentioned blade lock dog, also be arranged with a steel thread bush in the said tapped through hole.

The described a kind of blade lock dog of the utility model; Than the prior blade lock dog; It has been avoided because blade is installed on the blade lock dog with the mounting means of mistake, and causes the situation that in use fractures and damage, thereby has improved the stability of automatic cutting machines.

Description of drawings

Fig. 1 is the structural representation of the blade of automatic cutting machines.

Fig. 2 is the described blade lock dog of a utility model structural representation in one embodiment.

Fig. 3 is the side view of Fig. 2.

The specific embodiment

To combine Figure of description and concrete embodiment that the described blade lock dog of the utility model is done further detailed description below.

Fig. 1 has shown the structure of the blade of automatic cutting machines.As shown in Figure 1, blade 1 is provided with an installing hole 2, has 3, two points of a knife 3 of two points of a knife diagonal angle setting on blade 1 of extending to two ends along the length direction of blade 1 on the blade 1.

Fig. 2 has shown the described blade lock dog of the utility model structure in the present embodiment.Fig. 3 is the side view of Fig. 2.Like Fig. 2, shown in Figure 3; The pedestal of blade lock dog has the first end (right-hand member among Fig. 2 along its length direction; Be called " pedestal right-hand member " hereinafter) and the second end (left end among Fig. 2; Be called " pedestal left end " hereinafter) and along first edge (upper edge among Fig. 2 is called " upper edge " hereinafter) and second edge (lower edge among Fig. 2 is called " lower edge " hereinafter) of its width.The pedestal right-hand member has an outwardly directed jag 51 of the length direction along pedestal near the place, upper edge, and jag 51 is connected with cutter shaft 6.The pedestal right-hand member has an arc indent 8 near the place, lower edge.On the pedestal near pedestal left end place, on the thickness direction of pedestal, offer a tapped through hole 41, steel thread bush 42 is threaded with tapped through hole 41.Upper edge and lower edge at pedestal are respectively equipped with upper edge protruding 53 and lower edge convexity 54, and upper edge protruding 53 all is the convexities on the thickness direction of pedestal with lower edge protruding 54.Axle head protruding 52 is arranged on the jag 51 of said pedestal, and axle head protruding 52 raises up from pedestal on the thickness direction of pedestal.Axle head convexity 52, upper edge protruding 53 have formed a blade installation slot 7 with lower edge protruding 54 on pedestal.

Please continue to consult Fig. 1, Fig. 2, the distance A between axle head protruding 52 and the tapped through hole 41 is less than the distance C between point of a knife 3 and the installing hole 2.The lower surface of the lower surface of upper edge protruding 53 and axle head protruding 52 approximates the half the of blade 1 width along the base width direction apart from B.Therefore, when the blade forward was installed, the point of a knife 3 of blade 1 one ends can not receive stopping of axle head protruding 52, thereby makes blade 1 can be stuck in the blade installation slot 7; When blade 1 reverse the installation, the point of a knife 3 of blade 1 one ends can be stopped by axle head protruding 52, make blade 1 can't snap in the blade installation slot 7, thereby blade 1 can't be installed on the blade lock dog.

Be noted that the above specific embodiment of enumerating that is merely the utility model, obviously the utility model is not limited to above embodiment, and many similar variations are arranged thereupon.If those skilled in the art from all distortion that the disclosed content of the utility model directly derives or associates, all should belong to the protection domain of the utility model.

Claims (2)

1. a blade lock dog is equipped with a blade on it, and said blade is provided with an installing hole, has two points of a knife that extend to two ends along the length direction of blade on the said blade, two point of a knife diagonal angle settings on said blade; It is characterized in that said blade lock dog comprises:

One pedestal; It has along first end of its length direction and second end and along first edge and second edge of its width; Said first end has one along the outwardly directed jag of the length direction of pedestal near first edge; Said jag is a cutter shaft link, and said first end is an arc indent near second edge; On the said pedestal near the second end place, on the thickness direction of said pedestal, offer a tapped through hole;

Two edges are protruding, raise up from pedestal on the thickness direction of pedestal along said first edge and second edge respectively;

One axle head is protruding, and it is arranged at the jag of said pedestal, and said axle head convexity raises up from pedestal on the thickness direction of pedestal;

Said axle head is protruding to form a blade installation slot with two edge convexities on said pedestal, the distance between said axle head convexity and the tapped through hole is less than the distance between said point of a knife and the installing hole.

2. blade lock dog as claimed in claim 1 is characterized in that, also is arranged with a steel thread bush in the said tapped through hole.

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