CN218799573U - Auxiliary righting device for installation of band saw blade of horizontal band sawing machine - Google Patents

Abstract

The utility model discloses an auxiliary righting device for mounting a band saw blade of a horizontal band sawing machine, which comprises an upper clamping plate, a lower clamping plate, a torsion spring, a bolt for fixing and a nut; the front end of the upper clamping plate is provided with a limit boss, and the shape and the structure of the upper clamping plate and the lower clamping plate are completely consistent except the limit boss; the maximum width of the limiting boss is equal to the width of the front end of the upper clamping plate; the upper clamping plate and the lower clamping plate are both provided with a through hole, and the upper clamping plate and the lower clamping plate are respectively divided into a limiting section and a handheld section; the upper clamping plate limiting section and the lower clamping plate limiting section are respectively provided with a groove for inserting the torsion spring cantilever; the upper clamping plate through hole is connected with the lower clamping plate through hole through a bolt, and the bolt sequentially penetrates through the upper clamping plate through hole, the torsion spring coil and the lower clamping plate through hole and is positioned by a nut. The auxiliary righting device for the band saw blade can efficiently and safely replace the band saw blade by a single person.

Description

Auxiliary righting device for installation of band saw blade of horizontal band sawing machine

Technical Field

The utility model relates to a horizontal band sawing machine technical field, in particular to supplementary righting device of horizontal band sawing machine band saw blade installation.

Background

The horizontal band sawing machine is mainly used for sawing various metal materials such as alloy structural steel, medium carbon steel, low alloy steel, high alloy steel, special alloy steel, stainless steel, bearing steel, acid-resistant steel and the like, and is a basic metal material cutting tool. The existing horizontal band sawing machine mainly comprises the following components: the device comprises a base, a lathe bed, a stand column, a saw beam, a transmission mechanism, a guide device, a workpiece clamping device, a tensioning device, a feeding frame, a hydraulic transmission system, an electric control system, a lubricating and cooling system and the like.

Due to the difference in strength and hardness of the sawn material, the band saw blade is worn more than other parts during cutting. Therefore, replacement of the band saw blade is particularly common and important in conjunction with the tensioning device. The span of the driving wheel and the driven wheel of the sawing machine is large, the tensioning device is generally positioned on the side of the driven wheel, the saw blade is easy to displace and deviate when a single person carries out installation operation of the band saw blade, if the saw blade is not returned in time, the blind sawing operation is carried out, the protective housings of the driving wheel and the driven wheel are easy to damage, the saw blade is broken by straining, the cutting opening is uneven and the like, and therefore the replacement operation of two persons is very necessary. In addition, the centering device of the horizontal sawing machine is not equipped in the whole field of equipment, and there is always a certain danger in the process of tensioning the saw blade by manually centering the saw blade by using an object such as a stick.

Disclosure of Invention

To the above problem, the utility model provides a supplementary righting device of horizontal band sawing machine band saw blade installation uses this article can high-efficiently carry out single saw blade installation operation, practices thrift the manpower, improves work efficiency, and guarantee personnel's safety protects saw blade and equipment etc..

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

an auxiliary righting device for mounting a band saw blade of a horizontal band sawing machine comprises an upper clamping plate, a lower clamping plate, a torsion spring, a bolt for fixing and a nut; the upper clamping plate and the lower clamping plate are Z-shaped and are respectively divided into a limiting section and a handheld section by a through hole; a wheel-tooth-shaped limiting boss is arranged on the outer side of the limiting section of the upper clamping plate; a channel is respectively arranged in the upper splint limiting section and the lower splint limiting section, and the length of the channel is less than that of each limiting section; the shape structure of the upper clamping plate except the limiting lug boss is completely consistent with that of the lower clamping plate.

Further, the method comprises the following steps: the maximum width of the limiting boss is equal to the width of the limiting section of the upper clamping plate; the height of the limit boss is greater than the tooth depth of the band saw blade.

Further, the method comprises the following steps: the through holes of the upper clamping plate and the lower clamping plate are positioned at the fulcrum of the lever and are connected through bolts; during connection, the bolt passes through the upper clamping plate through hole, the torsion spring coil and the lower clamping plate through hole in sequence and is positioned by the nut; the nut is positioned on the outer side of the lower clamping plate; the diameter of the hexagonal circumscribed circle at the bottom of the bolt and the diameter of the circumscribed circle of the nut are equal to the outer diameter of the through hole.

Further, the method comprises the following steps: the torsion spring mandrel diameter is greater than the bolt outer diameter, and when the torsion spring is in the extreme working position, the inner diameter is equal to the mandrel diameter and greater than or equal to the bolt outer diameter.

Further, the method comprises the following steps: the length of the upper clamping plate and the lower clamping plate is equal to the free length of the spiral arm of the torsion spring, and the depth of the track groove is equal to the wire diameter of the torsion spring.

Further, the method comprises the following steps: the lower surfaces of the upper clamping plate, the lower clamping plate holding section and the lower clamping plate limiting section are provided with reticulate patterns, so that friction force is increased.

Compared with the prior art, the auxiliary righting device for mounting the saw blade of the horizontal band sawing machine can save manpower and improve the mounting operation efficiency of the single saw blade; meanwhile, the cutting edge of the sawtooth is protected in the installation process, so that the non-working abrasion can be effectively reduced; the utility model discloses an supplementary righting device is general to be used for the band saw blade of different models to change the operation, simple structure, and is easy and simple to handle, low in cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of a band saw blade centering device provided by the present invention;

FIG. 2 is a top view of the centralizer;

FIG. 3 is a left side view of the centralizer;

FIG. 4 is a schematic view of an upper clamp plate of the centralizer;

FIG. 5 is a schematic view of a torsion spring in the centralizer;

reference numerals: 1-upper splint limit section; 2-upper splint hand-held section; 3-a lower splint limiting section; 4-lower splint hand-held section; 5-a torsion spring; 6-bolt; 7-a nut; 8-a through hole; 9-limiting bosses; 10-channel groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The utility model discloses an auxiliary righting device for mounting a band saw blade of a horizontal band sawing machine, which comprises an upper splint (comprising a limiting section 1 and a handheld section 2), a lower splint (comprising a limiting section 3 and a handheld section 4), a torsion spring 5, a fixing bolt 6 and a nut 7; the upper clamping plate and the lower clamping plate are respectively provided with a through hole 8 which divides the clamping plate into a limiting section and a handheld section; the front end of the upper splint limiting section 1 is provided with a limiting boss 9, the maximum width is equal to the width a of the upper splint limiting section, and the maximum height b is greater than the tooth depth of the band saw blade; a groove 10 is respectively arranged in the upper splint limiting section 1 and the lower splint limiting section 2; the shape structure of the upper clamping plate except the limiting lug boss is completely consistent with that of the lower clamping plate; the torsion spring 5 is arranged between the upper clamping plate and the lower clamping plate, the cantilever is inserted into the groove, and the bolt 6 sequentially passes through the through hole 8 of the upper clamping plate, the spring coil of the torsion spring and the through hole of the lower clamping plate during connection and is positioned by the nut 7; the nut 7 is positioned on the outer side of the lower clamping plate; the diameter d of the hexagonal circumscribed circle at the bottom of the bolt and the diameter e of the hexagonal circumscribed circle of the nut are equal to the outer diameter f of the through hole.

Application the utility model discloses when carrying out the band saw blade and changing, pinch tightly handheld section 2 of punch holder and the handheld section 4 of lower plate, torsion spring constitutes a pair laborsaving lever with punch holder, lower plate, fixed bolt and nut this moment, and the power arm of punch holder and lower plate, resistance arm length equal respectively. The front half part of the limiting section of the device extends into the lower part of the band saw blade, so that the limiting boss is positioned between the sawteeth. When the handheld section is loosened, the limiting section of the device can be bounced up due to elasticity to be in close contact with the band saw blade, the back of the band saw blade is enabled to be tightly attached to the inside of the transmission wheel groove, and the reticulate pattern at the bottom of the limiting section 3 of the lower clamping plate can effectively prevent the device from slipping. At the moment, the device plays a role of assisting in righting the band saw blade, and can continue to perform subsequent replacement operation.

Can find out through this embodiment, the utility model discloses a supplementary righting device of horizontal band sawing machine saw blade installation, simple to use can carry out single saw blade installation operation by the high efficiency, practices thrift the manpower, improves work efficiency, support personnel's safety.

The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications should fall within the scope of the appended claims. If there are contents not described in detail in this specification, they should be known or should be known to those skilled in the art, and are not described herein again.

Claims (7)

1. The utility model provides a supplementary righting device of horizontal band sawing machine band saw blade installation which characterized in that: the device comprises an upper clamping plate limiting section (1), an upper clamping plate holding section (2), a lower clamping plate limiting section (3), a lower clamping plate holding section (4), a torsion spring (5), a fixing bolt (6) and a nut (7); the upper clamping plate and the lower clamping plate are respectively provided with a through hole (8) which separates the upper clamping plate limiting section (1) and the upper clamping plate holding section (2), and the lower clamping plate limiting section (3) and the lower clamping plate holding section (4) from each other; a wheel-tooth-shaped limiting boss (9) is arranged on the outer side of the upper splint limiting section (1); the inner sides of the upper splint limiting section (1) and the lower splint limiting section (3) are respectively provided with a groove (10); the shape and structure of the upper clamping plate are completely consistent with those of the lower clamping plate except for the limiting lug boss.

2. The horizontal band sawing machine band saw blade installation auxiliary righting device of claim 1, characterized in that: the maximum width of the limiting boss (9) is equal to the width a of the upper splint limiting section (1), and the height b is larger than the tooth depth of the band saw blade.

3. The horizontal band sawing machine band saw blade installation auxiliary righting device of claim 1, characterized in that: the torsion spring (5) is arranged between the upper splint limiting section (1) and the lower splint limiting section (3).

4. The horizontal band sawing machine band saw blade installation auxiliary righting device of claim 1, characterized in that: the through holes of the upper and lower splints of the device are connected by bolts (6); during connection, the bolt (6) passes through the upper clamping plate through hole (8), the spring coil of the torsion spring (5) and the lower clamping plate through hole in sequence and is positioned by the nut (7); the nut (7) is positioned on the outer side of the lower splint limiting section (3); the diameter d of the hexagonal circumscribed circle at the bottom of the bolt and the diameter e of the hexagonal circumscribed circle of the nut are equal to the outer diameter f of the through hole.

5. The horizontal band sawing machine band saw blade installation auxiliary righting device of claim 1, characterized in that: the diameter g of the mandrel of the torsion spring (5) is larger than the outer diameter h of the bolt (6).

6. The horizontal band sawing machine band saw blade installation auxiliary righting device of claim 1, characterized in that: the length of the track groove (10) is equal to the free length j of the spiral arm of the torsion spring (5), and the length k of the track groove hole edge is equal to the wire diameter l of the torsion spring.

7. The horizontal band sawing machine band saw blade installation auxiliary righting device of claim 1, characterized in that: the lower surface of the lower splint limiting section (3), the upper splint handheld section (2) and the lower splint handheld section (4) are provided with reticulate patterns to increase friction force.

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