CN210023953U

CN210023953U - Cutting device

Info

Publication number: CN210023953U
Application number: CN201822123794.7U
Authority: CN
Inventors: 张伟波; 李建湘; 宋海海; 李金钟
Original assignee: HOSHION INDUSTRIAL ALUMINIUM Co Ltd
Current assignee: HOSHION INDUSTRIAL ALUMINIUM Co Ltd
Priority date: 2018-12-17
Filing date: 2018-12-17
Publication date: 2020-02-07
Anticipated expiration: 2028-12-17

Abstract

The utility model discloses a cutting device, saw bit include the saw bit body, and the edge of saw bit body is equipped with the sawtooth, is equipped with the louvre on the saw bit body, and the side of saw bit body includes saw bit portion and friction portion, and the friction portion is located one side that the sawtooth was kept away from to the saw bit portion, and the friction portion is the frosting structure. Above-mentioned novel saw bit, because the side of saw bit body includes saw bit portion and friction portion, friction portion is the frosting structure, and the friction portion is located one side that saw bit portion kept away from the sawtooth, after the section bar is cut off by the sawtooth, along with the removal of saw bit body, the section plane and the friction portion contact of section bar, rub the section plane of section bar, can get rid of the burr that produces behind the section bar cutting, solve the kerf of section bar tip simultaneously and glue the condition of aluminium, it can be better to make product performance, the louvre can dispel novel saw bit because the generating heat and the thermal stress that the friction leads to between saw bit body and the section bar in the cutting process, thereby keep saw bit body not to take place deformation, make it possess longer life.

Description

Cutting device

Technical Field

The utility model relates to a cutting equipment technical field especially relates to a cutting device.

Background

The sawing process is one of the most common processes in a magnesium aluminum section mill. In a magnesium-aluminum section factory, round ingots or flat ingots flow out to a sliding table through extrusion, and are stretched and finally sawed into products required by customers. The sawing equipment used in the magnesium aluminum profile factory usually adopts a hard alloy circular saw blade as a sawing cutter, clamps a profile through pneumatic transmission, and adopts a motor and a saw blade which are coaxial or cut off the profile with acceleration.

Because the magnalium material is softer alloy, saw mark can appear in the section bar terminal surface, glue the condition of aluminium and taking the burr at the saw cutting in-process, and especially the burr can influence product property ability.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model discloses lie in overcoming prior art not enough, provide one kind and can improve the cutting device of producing the performance.

The technical scheme is as follows:

a cutting device comprises a clamping assembly, a driving piece, a saw blade and a slide rail, wherein the saw blade comprises a saw blade body and a grinding part, sawteeth are arranged at the edge of the saw blade body, heat dissipation holes are formed in the saw blade body, the side surface of the saw blade body comprises a saw blade part and a friction part, the friction part is positioned on one side, away from the sawteeth, of the saw blade part, the grinding part is attached to the side surface of the saw blade body to form a friction part, the friction part is of a grinding surface structure, the clamping assembly is used for clamping a profile, the clamping assembly comprises a base and a first air cylinder, and a push rod of the first air cylinder is arranged opposite to the base; or the clamping assembly comprises a second cylinder and a third cylinder, the profile is clamped by a push rod of the second cylinder and a push rod of the third cylinder, the driving piece is in transmission fit with the saw blade body and is arranged on the sliding rail in a sliding manner, and the saw blade body is used for cutting the profile.

Above-mentioned cutting device, when cutting the section bar, sawtooth on the saw bit body can be used for sawing the section bar, because the side of saw bit body includes saw bit portion and friction portion, friction portion is the frosting structure, and the friction portion is located one side that saw bit portion kept away from the sawtooth, after the section bar is cut off by the sawtooth, along with the removal of saw bit, the section plane and the friction portion contact of section bar, rub the section plane of section bar, can get rid of the burr that produces behind the section bar cutting, solve the kerf of section bar tip and glue the condition of aluminium simultaneously, make product property can produce better, the louvre can dispel novel saw bit because the generating heat and the thermal stress that the friction leads to between saw bit body and the section bar in the cutting process, thereby keep the saw bit body not take place deformation, make it possess longer life.

In one embodiment, the grain size of the frosted sand on the friction part is 60-1000 meshes.

In one embodiment, the number of the heat dissipation holes is at least two, the heat dissipation holes are arranged at intervals along the circumferential direction of the saw blade body, and the heat dissipation holes are located between the saw blade portion and the friction portion.

In one embodiment, the saw blade body is further provided with an auxiliary groove, an opening at one end of the auxiliary groove is formed in the edge of the saw blade body, and an opening at the other end of the auxiliary groove is communicated with the heat dissipation hole.

In one embodiment, the auxiliary slot is disposed radially of the blade body.

In one embodiment, the saw blade body is of a circular structure, and the friction part is arranged around the center of the saw blade body.

In one embodiment, the radius of the friction part is equal to the distance between the central axis of the heat dissipation hole and the center of the saw blade body.

In one embodiment, the number of the heat dissipation holes is four, the distances between the heat dissipation holes and the circle center of the saw blade body are equal, and the four heat dissipation holes are uniformly arranged at intervals along the circumferential direction of the saw blade body.

In one embodiment, a mounting hole matched with the main shaft of the driving piece is formed in the center of the saw blade body.

Drawings

Fig. 1 is a front view of a saw blade according to an embodiment of the present invention.

Description of reference numerals:

100. the saw blade comprises a blade body, 110, sawteeth, 120, heat dissipation holes, 130, a saw blade surface portion, 140, a friction portion, 150, an auxiliary groove, 160 and mounting holes.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.

As shown in fig. 1, an embodiment discloses a saw blade, which includes a blade body 100, wherein saw teeth 110 are disposed at an edge of the blade body 100, heat dissipation holes 120 are disposed on the blade body 100, a side surface of the blade body 100 includes a saw surface portion 130 and a friction portion 140, the friction portion 140 is disposed on a side of the saw surface portion 130 away from the saw teeth 110, and the friction portion 140 is a frosted surface structure.

Above-mentioned saw blade, when cutting the section bar, sawtooth 110 on the saw blade body 100 can be used to saw off the section bar, because the side of saw blade body 100 includes saw face portion 130 and friction portion 140, friction portion 140 is the frosting mechanism, and friction portion 140 is located saw face portion 130 and keeps away from one side of sawtooth 110, after the section bar is cut off by sawtooth 110, along with the removal of saw blade, the cut surface and the friction portion 140 contact of section bar, rub the cut surface to the section bar, can get rid of the burr that produces after the section bar cutting, solve the kerf of section bar tip and the condition of gluing aluminium simultaneously, make product property produce better, novel saw blade that louvre 120 can scatter because of generating heat and the thermal stress that the friction leads to between saw blade body 100 and the section bar in the cutting process, thereby keep saw blade body 100 not taking place deformation, make it possess longer life.

Optionally, the saw face portion 130 is smooth. The smooth surface helps to reduce resistance to advancement during advancement.

Optionally, two side surfaces of the saw blade body 100 are symmetrical structures; or one of the side surfaces of the blade body 100 includes the saw blade portion 130 and the friction portion 140.

Optionally, the blade body 100 is a cemented carbide material.

In one embodiment, the grit on the friction portion 140 is 60 mesh to 1000 mesh. When the granularity of the frosted part 140 is 60-1000 meshes, the frosted surface structure can better remove burrs on the end surface of the section bar, solve the problems of saw marks and aluminum sticking at the end part of the section bar and simultaneously keep the flatness of the end surface of the section bar. If the granularity of dull polish is too small, can lead to defects such as unable deburring, if the granularity of dull polish is too big, can leave the vestige of polishing at the terminal surface of section bar, influence the finished product performance of section bar.

Alternatively, mechanical methods such as grinding, sand blasting or shot blasting are utilized; or chemically or electrochemically forming the friction part 140 with frosted surface on the sawn-face body.

Alternatively, the blade may include a sanding member attached to a side of the blade body 100 to form a friction portion 140.

Specifically, the saw face portion 130 is disposed flush or approximately flush with the friction portion 140. When the profile is machined, the distance between the saw face part 130 and the friction part 140 is approximate, the machining of the profile cut surface by the friction part 140 is limited to the defects of burrs and the like on the profile cut surface, and the friction part 140 and the profile are not severely rubbed due to the fact that the friction part 140 protrudes out of the side face of the saw blade body 100, so that the product performance of the profile and the service life of the saw blade are influenced.

In one embodiment, as shown in fig. 1, there are at least two heat dissipation holes 120, the heat dissipation holes 120 are spaced along the circumference of the blade body 100, and the heat dissipation holes 120 are located between the saw blade portion 130 and the friction portion 140. Because the frictional force between the saw blade part 130, the friction part 140 and the section bar is different, the heat productivity caused by friction is also different, which can cause uneven temperature distribution on the saw blade body 100, and further cause different deformation quantities of different areas of the saw blade, therefore, the heat dissipation holes 120 are ensured to be positioned between the saw blade part 130 and the friction part 140, the temperature difference at the junction of the saw blade part 130 and the friction part 140 is reduced through the heat dissipation function of the heat dissipation holes 120, the saw blade can be protected, and the service life of the saw blade is prolonged.

In one embodiment, as shown in fig. 1, the blade body 100 is further provided with an auxiliary slot 150, one end of the auxiliary slot 150 is opened at the edge of the blade body 100, and the other end of the auxiliary slot 150 is opened to communicate with the heat dissipation hole 120. In the cutting process, the heat generated by the friction between the saw blade body 100 and the section bar expands the saw blade body 100 after the thermal stress is applied, the heat dissipation holes 120 and the heat dissipation grooves 150 can release the thermal stress to keep the saw blade body 100 not to deform, and meanwhile, the auxiliary grooves 150 can also be used for heat dissipation.

In other embodiments, the blade body 100 is further provided with a functional slot, and the opening of the functional slot is located at the edge of the blade body 100. The functional grooves may be used to evacuate debris generated during the machining process.

In one embodiment, as shown in FIG. 1, the auxiliary slots 150 are disposed radially of the blade body 100. The auxiliary groove 150 of the above structure can better counteract the deformation of the blade body 100 in the circumferential direction. While the structure of the auxiliary groove 150 is easier to process.

In one embodiment, as shown in fig. 1, there are four heat dissipation holes 120, the distances between the heat dissipation holes 120 and the center of the saw blade body 100 are equal, and the four heat dissipation holes 120 are uniformly spaced along the circumference of the saw blade body 100. In the structure, the heat dissipation effect of the saw blade is more even, and the protection effect of the saw blade is better.

In one embodiment, the blade body 100 is a circular structure, and the friction portion 140 is disposed around the center of the blade body 100. At this moment, through the rotation of saw bit body 100, the cut surface to the section bar can be lastingly polished, and the defects such as burr can thoroughly be removed in the assurance.

In other embodiments, the friction portion 140 may also be in the shape of a fan, a rectangle, or the like.

In other embodiments, blade body 100 may also be of a saw blade configuration. The saw teeth, the saw face part and the friction part are arranged in sequence.

In one embodiment, the radius of the friction portion 140 is equal to the distance between the central axis of the heat dissipation hole 120 and the center of the blade body 100. The heat dissipation effect at the boundary between the friction part 140 and the saw face part 130 is better.

Optionally, the radius of the friction portion 140 is greater than half the radius of the blade body 100. At this time, the friction part 140 can be ensured to remove the defects such as burrs on the whole cutting surface of the section bar.

An embodiment discloses a cutting device, including clamping component, driving piece and the saw bit as above-mentioned any one, clamping component is used for the centre gripping section bar, and the driving piece is with saw bit body 100 drive fit, and saw bit body 100 is used for cutting the section bar.

Above-mentioned cutting device utilizes clamping assembly centre gripping section bar earlier, and reuse driving piece drive saw bit body 100 rotates, cuts the section bar, and after the sawtooth 110 of saw bit body 100 cut the section bar, the friction portion 140 on the saw bit body 100 can rub the cut surface of section bar, can get rid of the burr that produces after the section bar cutting, solves section bar tip saw mark simultaneously and glues the condition of aluminium, makes the product performance of the section bar after the saw cuts better.

Optionally, the drive member is an electric motor.

Optionally, the cutting device further includes a slide rail, and the driving member is slidably disposed on the slide rail. When the driving member drives the saw blade body 100 to rotate, the driving member slides along the slide rail, so as to cut the section bar.

In particular, the slide rail is intended to be arranged perpendicular to the profile when the clamping assembly grips the profile.

In one embodiment, as shown in FIG. 1, the blade body 100 is provided with a mounting hole 160 at the center for engaging the spindle of the driver.

Alternatively, the drive member and blade body 100 are adapted to be disposed on the same side of the profile when the clamping assembly is clamping the profile.

Optionally, the clamping assembly comprises a base and a first cylinder, and a push rod of the first cylinder is arranged opposite to the base. Clamping the section bar through the relative movement of a push rod of a first air cylinder and a base; or the clamping assembly comprises a second cylinder and a third cylinder, and the section bar is clamped by a push rod of the second cylinder and a push rod of the third cylinder.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A cutting device is characterized by comprising a clamping assembly, a driving piece, a saw blade and a sliding rail, wherein the saw blade comprises a saw blade body and a grinding part, sawteeth are arranged at the edge of the saw blade body, heat dissipation holes are formed in the saw blade body, the side surface of the saw blade body comprises a saw blade part and a friction part, the friction part is positioned on one side, away from the sawteeth, of the saw blade part, the grinding part is attached to the side surface of the saw blade body to form the friction part, the friction part is of a grinding surface structure, the clamping assembly is used for clamping a profile, the clamping assembly comprises a base and a first air cylinder, and a push rod of the first air cylinder is arranged opposite to the base; or the clamping assembly comprises a second cylinder and a third cylinder, the profile is clamped by a push rod of the second cylinder and a push rod of the third cylinder, the driving piece is in transmission fit with the saw blade body and is arranged on the sliding rail in a sliding manner, and the saw blade body is used for cutting the profile.

2. The cutting device of claim 1, wherein the grit on the friction portion is 60 to 1000 mesh.

3. The cutting device according to claim 1, wherein the number of the heat dissipation holes is at least two, the heat dissipation holes are arranged at intervals along a circumferential direction of the saw blade body, and the heat dissipation holes are located between the saw blade portion and the friction portion.

4. The cutting device according to claim 3, wherein the saw blade body further comprises an auxiliary slot, one end of the auxiliary slot is open at an outer edge of the saw blade body, and the other end of the auxiliary slot is open and communicated with the heat dissipation hole.

5. The cutting device of claim 4, wherein the auxiliary slot is disposed in a radial direction of the blade body.

6. The cutting device of claim 3, wherein the blade body is of circular configuration, and the friction portion is disposed around a center of the blade body.

7. The cutting device according to claim 6, wherein a radius of the friction portion is equal to a distance between a central axis of the heat radiating hole and a center of the blade body.

8. The cutting device according to claim 6, wherein the number of the heat dissipation holes is four, the distances between the heat dissipation holes and the center of the saw blade body are equal, and the four heat dissipation holes are uniformly spaced along the circumference of the saw blade body.

9. The cutting device of claim 1, wherein a mounting hole is provided at the center of the blade body for engaging with the main shaft of the driving member.