CN214134291U

CN214134291U - Shaft sleeve device capable of locking saw blade at will and adjusting spacing

Info

Publication number: CN214134291U
Application number: CN202022857870.4U
Authority: CN
Inventors: 徐于红; 韩红铎
Original assignee: Nanjing Dejia Precision Tools Co ltd
Current assignee: Nanjing Dejia Precision Tools Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-09-07
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a shaft sleeve device that is used for saw bit locking wantonly and can adjust interval, this shaft sleeve device is used for fixing the saw bit on the saw mascerating machine main shaft, and this shaft sleeve device includes locking axle sleeve and locking ring, and the locking axle sleeve cover is established on the saw mascerating machine main shaft of saw bit both sides to fixed through locking screw, the locking axle sleeve is equipped with the external screw thread, and the locking ring passes through the internal thread spiro union on the locking axle sleeve, and is fixed with the saw bit centre gripping through the locking ring on the locking axle sleeve of saw bit both sides. The shaft sleeve device solves the problems that the saw blade interval adjustment of the traditional multi-blade saw is inconvenient, the cutting precision of the saw blade is poor and the bearing capacity of a main bearing of the saw blade machine is large.

Description

Shaft sleeve device capable of locking saw blade at will and adjusting spacing

Technical Field

The utility model relates to a panel processing is with saw mascerating machine, especially a but be used for saw bit arbitrary locking and adjustable interval's device.

Background

The saw blade machine comprises a saw blade machine main shaft and a saw blade detachably arranged on the saw blade machine main shaft, and the saw blade machine can be divided into a single-blade saw or a multi-blade saw according to different saw blade numbers.

The saw blades of the traditional multi-blade saw are directly spaced by the spacer, and the requirement on the thickness of the spacer is high. In the production process, the spacing distance between the saw blades needs to be adjusted according to the width of the split plate, all the saw blades and the spacer pads need to be taken out at the moment, the operation is complex, and the working efficiency is low. The parallelism of the shim with higher thickness is generally poor, and the cutting precision of all saw blades arranged on the main shaft can be directly influenced. In addition, all the saw blades are spaced by the spacers, the weight borne by the main shaft is greatly increased, and the load of the motor is large.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a but be used for saw bit arbitrary locking and adjustable interval's device, solve the saw bit interval regulation that present traditional multiple blade saw exists inconvenient, saw bit cutting accuracy is poor, the big problem of saw bit machine base bearing loading capacity.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the shaft sleeve device is used for fixing a saw blade on a main shaft of a saw blade machine, and comprises a locking shaft sleeve and a locking ring, wherein the locking shaft sleeve is sleeved on the main shaft of the saw blade machine on two sides of the saw blade and is fixed through a locking screw, the locking shaft sleeve is provided with external threads, the locking ring is in threaded connection with the locking shaft sleeve through internal threads, and the saw blade is clamped and fixed through the locking rings on the locking shaft sleeves on two sides of the saw blade.

Furthermore, the number of the locking shaft sleeves is 2 times of the number of the saw blades, one locking shaft sleeve is arranged on each of two sides of each saw blade, the external threads of the locking shaft sleeves on two sides of each saw blade are opposite in rotating direction, and each locking shaft sleeve is connected with one locking ring in a threaded mode.

Further, the locking axle sleeve includes the cover barrel, and the cover barrel has the external screw thread, and cover barrel one end is near the saw bit, and the other end has annular protrusion, and cover barrel inside wall has the breach, the breach radially extends to cover barrel outside wall, and the breach runs through the cover barrel along axial direction, and the breach both sides are located the bellied position of annular and are equipped with the locking screw pilot hole, and the locking screw spiro union is in the locking screw pilot hole, and locking force through locking screw contracts the breach, makes the locking axle sleeve fixed.

Furthermore, the locking screw assembly hole comprises a threaded hole which is positioned on one side of the notch and matched with the locking screw, and a through hole or a counter sink which is positioned on the other side of the notch and opposite to the threaded hole.

Furthermore, a plurality of shaft sleeve deformation grooves extending along the radial direction are arranged at intervals in the circumferential direction of the sleeve body.

Furthermore, the shaft sleeve deformation groove comprises an outer deformation groove and an inner deformation groove, the outer deformation groove is located on the outer side wall of the annular protrusion, and the inner deformation groove is located on the inner side wall of the sleeve body.

Further, the outside diameter of the locking ring is equal to 1/2 of the saw blade diameter.

Has the advantages that:

(1) by adopting the shaft sleeve device, the locking shaft sleeve is fixed on the main shaft of the saw blade machine by the locking screws, the saw blades are fixed by the locking shaft sleeves at two sides, when the position of the saw blades or the interval between the saw blades needs to be adjusted, the position of the locking shaft sleeve on the main shaft of the saw blade machine can be adjusted by only loosening the locking screws, and the saw blades can synchronously move along with the locking shaft sleeves, so that the saw blade machine is very convenient.

(2) The locking ring on the locking shaft sleeve is used for clamping and fixing the saw blade, so that the strength of the saw body of the saw blade is increased, and the deflection of the saw blade is reduced.

(3) Only the locking shaft sleeve and the locking ring are required to be arranged at the two sides of the saw blade, so that a large number of adjusting gaskets are omitted, and the bearing weight of the main shaft is greatly reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a locking sleeve and a locking ring;

FIG. 3 is a schematic view of the mounting of a single saw blade;

FIG. 4 is a schematic view of the mounting of multiple saw blades.

In the figure: 1-a saw blade; 2-saw the main shaft of the chip machine; 3-locking the shaft sleeve; 4-locking screws; 5-locking ring; 6-a sleeve body; 7-an annular projection; 8-notch; 9-locking screw assembling holes; 10-an external deformation groove; 11-an internal deformation groove; 12-locking ring grooves; 13-plate material.

The specific implementation mode is as follows:

the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 3, the utility model discloses a shaft sleeve device that is used for the saw bit can lock wantonly and can adjust the interval, this shaft sleeve device is used for fixing saw bit 1 on saw bit machine main shaft 2, this shaft sleeve device includes locking shaft sleeve 3 and locking ring 5, 3 covers of locking shaft sleeve are established on the saw bit machine main shaft 2 of saw bit 1 both sides, and it is fixed through locking screw 4, locking shaft sleeve 3 is equipped with the external screw thread, locking ring 5 passes through the internal thread spiro union on locking shaft sleeve 3, it is fixed with saw bit 1 centre gripping through locking ring 5 on the 1 both sides locking shaft sleeve 3 of saw bit.

As shown in fig. 3, the number of the locking bushings 3 is 2 times of the number of the saw blades 1, one locking bushing 3 is respectively arranged on each side of each saw blade 1, the external threads of the locking bushings 3 on each side of the saw blade 1 are opposite in rotation direction, and one locking ring 4 is screwed on each locking bushing 3. Through the complete combined use of the locking shaft sleeve 3 and the locking ring 4 with two groups of threads with opposite rotation directions, the locking shaft sleeve 3 and the locking ring 4 can not be loosened in the rotation process of the main shaft 2 of the saw blade machine.

As shown in fig. 2, in the present embodiment, the locking sleeve 3 includes a sleeve body 6, the sleeve body 6 has an external thread, one end of the sleeve body 6 abuts against the saw blade 1, the other end of the sleeve body has an annular protrusion 7, the inner side wall of the sleeve body 6 has a notch 8, the notch 8 extends to the outer side wall of the sleeve body 6 along the radial direction, and the notch 8 penetrates through the sleeve body 6 along the axial direction, locking screw assembling holes 9 are provided at positions of two sides of the notch 8 located on the annular protrusion 7, the locking screw assembling holes 9 include a threaded hole located on one side of the notch 8 and adapted to the locking screw 4, and a through hole or a countersunk hole opposite to the threaded hole on the other side of the notch 8. The locking screw 4 can penetrate into the through hole or one side of the counter sink and is screwed into the threaded hole, so that the locking screw 4 is screwed into the locking screw assembling hole 9, and the notch 8 can be shrunk by the locking force of the locking screw 4, so that the locking shaft sleeve 3 is fixed.

When the structure is adopted, the left locking shaft sleeve 3 and the locking ring 5 are installed firstly, the locking shaft sleeve 3 is fixed on the main shaft 2 of the saw blade machine through the locking screw 4, then the locking ring 5 is screwed on the locking shaft sleeve 3, then the saw blade 1 is installed on the main shaft 2 of the saw blade machine and is attached to the right side surface of the locking ring 5, then the right locking shaft sleeve 3 and the locking ring 5 are installed, the locking shaft sleeve 3 is fixed on the main shaft 2 of the saw blade machine and is abutted against the right side surface of the saw blade 1 through the locking screw 4, finally the locking ring 5 is screwed on the locking shaft sleeve 3, and the locking ring 5 is rotated to be attached to the right side surface of the saw blade 1 tightly.

In order to facilitate the adjustment of the locking ring 5, a plurality of locking ring grooves 12 are formed at intervals in the circumferential direction outside the locking ring 5. The locking ring 5 is conveniently rotated by inserting the locking ring groove 3 with a wrench.

The outside diameter of the locking ring is equal to 1/2 the diameter of the saw blade. Therefore, the saw blade 1 can be stably fastened on the main shaft, the saw body strength of the saw blade 1 is improved, and the deflection of the saw blade 1 is reduced.

As shown in fig. 2, in order to ensure the elastic deformation of the sleeve body 6 and to enable the notch 8 to be smoothly contracted under manual operation, a plurality of sleeve deformation grooves extending in the radial direction are provided at intervals in the circumferential direction of the sleeve body 6. The shaft sleeve deformation groove comprises an outer deformation groove 11 and an inner deformation groove 12, the outer deformation groove 11 is located on the outer side wall of the annular protrusion 7, and the inner deformation groove 12 is located on the inner side wall of the sleeve body 6.

As shown in fig. 4, for the multi-blade saw device, at least two saw blades 1 are arranged on a main shaft 2 of a saw blade machine at intervals according to the size specification of a machining-substitute sheet material 13, and each saw blade 1 is fixed by two sets of locking shaft sleeves 3 and locking rings 5. If the position of the saw blade 1 needs to be adjusted, or the interval between the saw blades 1 needs to be adjusted, the single saw blade 1, the locking shaft sleeves 3 and the locking rings 5 on the two sides of the saw blade 1 can be conveniently moved integrally along the main shaft 2 of the saw blade machine only by loosening the locking screws 4 on the locking shaft sleeves 3, and after the adjustment is in place, the locking screws 4 of the locking shaft sleeves 3 are locked.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a can lock wantonly and adjustable interval's axle sleeve device for saw bit, this axle sleeve device is used for fixing the saw bit on the saw mascerating machine main shaft which characterized in that: the shaft sleeve device comprises a locking shaft sleeve and locking rings, wherein the locking shaft sleeve is sleeved on a main shaft of a saw blade machine on two sides of a saw blade and fixed through a locking screw, the locking shaft sleeve is provided with external threads, the locking rings are in threaded connection with the locking shaft sleeve through the internal threads, and the saw blade is clamped and fixed through the locking rings on the locking shaft sleeve on two sides of the saw blade.

2. A bushing assembly for a saw blade with positive locking and spacing adjustment as defined in claim 1, wherein: the number of the locking shaft sleeves is 2 times of the number of the saw blades, one locking shaft sleeve is arranged on each of two sides of each saw blade, the external threads of the locking shaft sleeves on two sides of each saw blade are opposite in rotating direction, and one locking ring is screwed on each locking shaft sleeve.

3. A bushing assembly for a saw blade with positive locking and spacing adjustment as defined in claim 2, wherein: the locking shaft sleeve comprises a sleeve body, the sleeve body is provided with external threads, one end of the sleeve body is close to the saw blade, the other end of the sleeve body is provided with an annular bulge, the inner side wall of the sleeve body is provided with a notch, the notch extends to the outer side wall of the sleeve body along the radial direction, the notch penetrates through the sleeve body along the axial direction, the two sides of the notch are located at the position of the annular bulge and are provided with locking screw assembling holes, the locking screws are screwed in the locking screw assembling holes, the notch is tightened through the locking force of the locking screws, and the locking shaft sleeve is fixed.

4. A bushing assembly for a saw blade with positive locking and spacing adjustment as defined in claim 3, wherein: the locking screw assembly hole comprises a threaded hole which is positioned on one side of the notch and matched with the locking screw, and a through hole or a counter bore which is positioned on the other side of the notch and opposite to the threaded hole.

5. The bushing device for a saw blade with free locking and adjustable spacing as claimed in claim 4, wherein: and a plurality of shaft sleeve deformation grooves extending along the radial direction are arranged at intervals in the circumferential direction of the sleeve body.

6. The bushing device for a saw blade with free locking and adjustable spacing as claimed in claim 5, wherein: the shaft sleeve deformation groove comprises an outer deformation groove and an inner deformation groove, the outer deformation groove is located on the outer side wall of the annular protrusion, and the inner deformation groove is located on the inner side wall of the sleeve body.

7. A bushing assembly for a saw blade with positive locking and spacing adjustment as defined in claim 2, wherein: and a plurality of locking ring grooves are formed in the outer side of the locking ring at intervals along the circumferential direction.

8. A bushing assembly for a saw blade with positive locking and spacing adjustment as defined in claim 7, wherein: the outside diameter of the locking ring is equal to 1/2 the diameter of the saw blade.