CN112496448A

CN112496448A - Aluminum profile cutting device

Info

Publication number: CN112496448A
Application number: CN202011367338.2A
Authority: CN
Inventors: 冯金玉
Original assignee: Foshan Bozhi Yingju Technology Co Ltd
Current assignee: Foshan Bozhi Yingju Technology Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-03-16

Abstract

The invention provides an aluminum profile cutting device which comprises a feeding table, a discharging table and a cutting machine, wherein the feeding table comprises a feeding conveyor belt, the discharging table comprises a discharging conveyor belt, the output end of the feeding conveyor belt is over against the input end of the discharging conveyor belt, and the cutting machine is positioned between the feeding conveyor belt and the discharging conveyor belt and comprises a cutting assembly capable of moving up and down; the cutting machine is provided with a distance sensor, the discharging table is provided with a measuring component which can move back and forth in the conveying direction and is opposite to the distance sensor, and when one end of the aluminum profile to be cut moves from the output end of the feeding conveying belt to the input end of the discharging conveying belt, the measuring component and the aluminum profile to be cut move synchronously; when the aluminum profile to be cut is measured and moved to the preset distance on the discharging conveying belt, the cutting assembly moves downwards and cuts the aluminum profile to be cut. The aluminum profile cutting device can cut the aluminum profile with accurate length by controlling the cutting assembly to move downwards and cutting the aluminum profile to be cut.

Description

Aluminum profile cutting device

Technical Field

The invention relates to the technical field of aluminum profile processing equipment, in particular to an aluminum profile cutting device.

Background

The cutting machine is the most common cutting tool in aluminum profile processing equipment, when an aluminum profile is processed, a plurality of aluminum profiles with the same specification and the same length are cut, the current method mainly comprises the steps of manually measuring and marking the aluminum profile before the aluminum profile is cut, and then cutting the aluminum profile, or manually using the cut aluminum profile as a scale to carry out scribing and cutting one by one, and the method has low working efficiency, is easy to have size deviation and has low product consistency.

After extensive research, some typical prior arts are found, for example, patent application No. 201510348216.1 discloses a safety aluminum profile cutting machine which can cut an aluminum bar into a required length safely and accurately. Also, for example, the patent with application number 201510610122.7 discloses an aluminum profile plane cutting machine, which has high cutting efficiency and is widely applicable to the saw cutting of aluminum doors and windows, photo frames, light boxes, screens, electronic parts, radiating fins, sound panels and the like closely related to profiles. Still like application number 201510348059.4's patent disclose an aluminium alloy automatic cutout machine, its cutting length can adjust as required, and cutting efficiency is high, and the security is high.

It can be seen that, for the aluminum profile cutting, there are many practical problems to be solved (such as providing the accuracy of the cutting length of the aluminum profile) that have not been proposed.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides an aluminum profile cutting device, which has the following specific technical scheme:

the utility model provides an aluminium alloy cutting device, includes feed table, ejection of compact platform and cutting machine, the feed table includes the feeding conveyer belt, the ejection of compact platform includes exit conveyor, the same and the output of feeding conveyer belt is just to exit conveyor's input of feeding conveyer belt and exit conveyor's direction of transfer, the cutting machine is located between feeding conveyer belt and the exit conveyor and includes the cutting assembly that can be at the direction of transfer up-and-down motion of perpendicular to feeding conveyer belt.

Be equipped with the distance inductor on the cutting machine, be equipped with on the ejection of compact platform and can be in the direction of transfer round trip movement and just to the measuring subassembly of distance inductor, when the one end of waiting to cut the aluminium alloy moved exit conveyor's input by the output of feeding conveyer belt, measuring subassembly and the aluminium alloy synchronous motion of waiting to cut on exit conveyor's direction of transfer.

When the distance sensor is matched with the measuring component to measure the aluminum profile to be cut, the cutting component moves downwards and cuts the aluminum profile to be cut when the aluminum profile to be cut moves to the preset distance on the discharge conveyor belt.

Optionally, the cutting machine includes two parallel supporting plates perpendicular to the conveying direction of the feeding conveyor belt, the cutting assembly is installed between the two supporting plates, and the distance sensor is disposed on one of the supporting plates.

Optionally, the measuring assembly includes a side plate and a baffle plate, the side plate is mounted on the discharging table and located on one side of the supporting plate where the distance sensor is located, a slide way is arranged in the side plate, and the baffle plate is slidably connected in the slide way.

Optionally, the baffle includes a front baffle and a rear baffle, the baffle is slidably connected in the slideway through the rear baffle, a reservoir for storing liquid is arranged in the rear baffle, a chute communicated with the reservoir is arranged on the right side wall of the reservoir, a piston is arranged in the chute, the front baffle is connected with the piston through a connecting rod, a groove is arranged in the rear baffle, a spring and a slider are arranged in the groove, one end of the spring is connected with the groove, the other end of the spring is connected with one end of the slider, the other end of the slider penetrates through the rear side wall of the reservoir and can relatively slide relative to the rear side wall of the reservoir, the other end of the slider is connected with a slide rod, one end of the slide rod penetrates through the front side wall of the reservoir and the rear baffle and is located on the outer side of the rear baffle, and the slider, the reservoir and the piston form, the side wall of the front baffle plate, which is positioned on one side of the cutting machine, is provided with an inclined plane, and the part, which is far away from the cutting machine and is positioned at one end of the sliding chute, of the side plate is provided with a blocking piece.

Optionally, the rear baffle is slidably connected in the slideway through a pulley.

Optionally, the slideway is arranged in an inclined manner, and one end of the slideway close to the cutting machine is lower than one end of the slideway far away from the cutting machine.

Optionally, a counterweight is arranged at the bottom of the front baffle.

Optionally, the aluminum profile cutting device further comprises a conveying assembly for driving the feeding conveyor belt and the discharging conveyor belt to synchronously rotate.

The beneficial effects obtained by the invention comprise:

1. work as the distance sensor is measured with the measuring subassembly cooperation and is waited to cut the aluminium alloy and remove when predetermineeing the distance at exit conveyor, through control cutting subassembly downstream and treating the cutting aluminium alloy and cut, can carry out the cutting operation of accurate length to the aluminium alloy, overcome the manual work and measure the mark then cut on the aluminium alloy, perhaps again the manual work is done the scale with the aluminium alloy that has cut and then carries out the comparison one by one and rule the cutting and lead to work efficiency low and the problem that size deviation appears easily.

2. Through control measuring unit with wait to cut aluminium alloy synchronous movement in exit conveyor's direction of delivery, the length distance that the distance inductor surveyed is the length of waiting to cut the aluminium alloy promptly, also is the distance of predetermineeing promptly. Therefore, the cutting precision of the aluminum profile can be improved.

Drawings

The present invention will be further understood from the following description taken in conjunction with the accompanying drawings, the emphasis instead being placed upon illustrating the principles of the embodiments.

Fig. 1 is a schematic view of the overall structure of an aluminum profile cutting device according to an embodiment of the present invention;

fig. 2 is a schematic top view of an aluminum profile cutting apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view of the overall structure of the cutting machine according to the embodiment of the present invention;

FIG. 4 is a first schematic diagram illustrating the structural relationship between the support plate and the measuring assembly according to an embodiment of the present invention;

FIG. 5 is a second schematic diagram illustrating the structural relationship between the support plate and the measuring assembly according to the embodiment of the present invention;

fig. 6 is a partially enlarged view of a portion a in fig. 5.

Description of reference numerals:

1. a feeding table; 2. a discharging table; 3. a cutter; 4. a transmission assembly; 10. a feed conveyor; 20. a discharge conveyor belt; 30. a support plate; 31. a cutting assembly; 5. a side plate; 6. a baffle plate; 60. a front baffle; 61. a tailgate; 62. a slideway; 63. a chute; 64. a piston; 65. a liquid storage tank; 66. a groove; 67. a slider; 68. a slide bar; 69. a spring; 7. a distance sensor; 8. a blocking block; 9. and a balancing weight.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.

The invention relates to an aluminum profile cutting device, which explains the following embodiments according to the attached drawings:

the first embodiment is as follows:

as shown in fig. 1, an aluminum profile cutting device, including feed table 1, ejection of compact platform 2, cutting machine 3 and drive assembly 4, feed table 1 includes feeding conveyer belt 10, ejection of compact platform 2 includes ejection of compact conveyer belt 20, feeding conveyer belt 10 is the same with ejection of compact conveyer belt 20 direction of transfer and feeding conveyer belt 10's output is just to ejection of compact conveyer belt 20's input, cutting machine 3 is located between feeding conveyer belt 10 and the ejection of compact conveyer belt 20 and includes cutting assembly 31 that can be at the direction of transfer up-and-down motion of perpendicular to feeding conveyer belt 10, drive assembly 4 is used for driving feeding conveyer belt 10 and ejection of compact conveyer belt 20 synchronous rotation.

The cutting machine is characterized in that a distance sensor 7 is arranged on the cutting machine 3, a measuring assembly capable of moving back and forth in the conveying direction and just opposite to the distance sensor 7 is arranged on the discharging table 2, and the distance sensor and the cutting line of the cutting assembly 31 on the aluminum profile are located on the same plane. The aluminum profile to be cut is firstly placed on the feeding conveyor belt 10 and then moved towards the discharging conveyor belt 20. After one end of the aluminum profile to be cut is moved from the output end of the feeding conveyor belt 10 to the input end of the discharging conveyor belt 20, the measuring assembly and the aluminum profile to be cut move synchronously in the conveying direction of the discharging conveyor belt 20. And when the distance sensor 7 is measured with the measuring component cooperation and is waited to cut the aluminium alloy and remove to preset distance at exit conveyor 20, through control cutting component 31 moves down in order to wait to cut the aluminium alloy and cut, can carry out the cutting operation of accurate length to the aluminium alloy, overcome the manual work and measure the mark then cut on the aluminium alloy, perhaps again the manual work is done the scale with the aluminium alloy that has cut and then carries out the comparison marking off cutting one by one and lead to the problem that work efficiency is low and appear the size deviation easily.

In this embodiment, the process that the measuring component and the aluminum profile to be cut move synchronously in the conveying direction of the discharging conveyor belt 20 can be realized by setting the inductive switch in the measuring component, that is, when the inductive switch in the measuring component detects that one end of the aluminum profile moves to the input end of the discharging conveyor belt, the measuring component and the discharging conveyor belt 20 are controlled to move synchronously at a constant speed, and when the distance sensor 7 and the measuring component are matched to measure that the aluminum profile to be cut moves to a preset distance in the discharging conveyor belt 20, the feeding conveyor belt 10, the discharging conveyor belt 20 and the measuring component are controlled to stop, and the cutting component 31 is controlled to move downwards to complete the cutting of the aluminum profile. After the aluminum profile is cut, the aluminum profile is taken out and the measuring assembly is moved to the original position, and then the next aluminum profile cutting can be waited.

Of course, other methods may also be used to complete the process of synchronously moving the measuring assembly and the aluminum profile to be cut in the conveying direction of the discharging conveyor belt 20, and those skilled in the art may make corresponding adjustments on this basis, which is not described herein again.

Example two:

As shown in fig. 2, 3 and 4, the cutting machine 3 includes two support plates 30 parallel to each other and perpendicular to the conveying direction of the feeding conveyor belt 10, the cutting assembly 31 is installed between the two support plates 30, the distance sensor 7 is installed on one of the support plates 30, the measuring assembly includes a side plate 5 and a baffle plate 6, the side plate 5 is installed on the discharging table 2 and located on one side of the support plate 30 where the distance sensor is located, a slide way 62 is arranged in the side plate 5, the baffle plate 6 is slidably connected in the slide way 62, the side plate 5 and the support plate 30 where the distance sensor 7 is located are connected into a whole, one end of the slide way 62 close to the support plate 30 and the input end of the discharging conveyor belt 20 are located on the same vertical plane, when the baffle plate 6 moves to the end of the slide way 62 closest to the support plate 30, the baffle plate 6 contacts with the distance sensor 7 and the contact surface of the baffle plate 6 and the slide way And the input end of the outfeed conveyor 20 are in the same vertical plane.

By controlling the measuring assembly and the aluminum profile to be cut to synchronously move in the conveying direction of the discharging conveying belt 20, the length distance measured by the distance sensor 7 is the length of the aluminum profile to be cut, namely the preset distance. Therefore, the cutting precision of the aluminum profile can be improved.

It should be noted that the distance between the baffle 6 and the distance sensor when the baffle moves to the end of the slide way 62 closest to the support plate 30 can be adjusted according to actual needs. Correspondingly, the preset distance can be adjusted.

Example three:

As shown in fig. 2 to 6, the baffle includes a front baffle 60 and a rear baffle 61, the baffle is slidably connected in a slide way 62 through the rear baffle 61, a reservoir 65 for storing a liquid is provided in the rear baffle 61, a chute 63 communicating with the reservoir 65 is provided on a right side wall of the reservoir 65, and the liquid may be one of lubricating oil, water, oil or a mixture of oil and water. A piston 64 is arranged in the sliding chute 63, the front baffle 60 is connected with the piston 64 through a connecting rod, and the piston 64 can move back and forth in the sliding chute 63 and is connected with the side wall of the sliding chute 63 in a sliding and sealing manner. The rear baffle 61 is provided with a groove 66, a spring 69 and a slide block 67 are arranged in the groove 66, one end of the spring 69 is connected with the side wall of the groove 66 far away from the reservoir, the other end of the spring 69 is connected with one end of the slide block 67, the other end of the slide block 67 penetrates through the side wall of the reservoir 65 close to the groove 66 and can slide relative to the side wall of the reservoir 65 close to the groove 66, and the slide block 67 is connected with the side wall of the reservoir 65 in a sealing mode. The other end of the sliding block 67 is fixedly connected with a sliding rod 68, one end of the sliding rod 68 passes through the front side wall of the liquid storage tank 65 and the rear baffle 61 and is located on the outer side of the rear baffle 61, and the sliding rod 68 is connected with the side wall of the liquid storage tank 65 in a sealing mode. The slide block 67, the liquid storage tank 65 and the piston 64 form a closed chamber, the side wall of the front baffle 60, which is positioned on one side of the cutting machine, is provided with an inclined surface, and the part, which is far away from the cutting machine and is positioned at one end of the slide way 62, of the side plate is provided with a blocking block 8.

As shown in fig. 5 and fig. 6, the cross section of the front baffle 60 is triangular or right trapezoid, when the aluminum profile is not delivered to the discharging conveyor belt, the slide block 67 moves toward the liquid storage tank 65 under the elastic force of the spring 69, the space of the liquid storage tank 65 becomes smaller, the liquid forces the piston 64 and the connecting rod to move, and further the front baffle 60 is far away from the rear baffle 61, so that when the aluminum profile is delivered to the discharging conveyor belt, the aluminum profile to be cut abuts against the front baffle 60 and drives the front baffle 60 and the rear baffle 61 to move along the slide way 62 toward the output end of the discharging conveyor belt, that is, the baffles and the aluminum profile move synchronously. At this time, the distance sensor 7 and the rear baffle 61 can be used for measuring the moving distance of the aluminum profile to be cut, and then the cutting length of the aluminum profile to be cut can be obtained through calculation.

It should be noted that the output side of the discharge conveyor belt is front, the input side of the discharge conveyor belt is rear, the side plate is left, and the front baffle 60 is right relative to the side plate. The sizes of the slide block 67, the slide bar 68, the slide groove 63, the liquid storage tank 65, the blocking block 68, the front baffle 60, the rear baffle 61 and other components can be adjusted by those skilled in the art according to actual conditions, and are not described herein again. In order to ensure that the front baffle 60 is always abutted against the end face of the aluminum profile in the process of moving from front to back, a notch can be arranged on the discharging table and positioned on the side plate, so that the front baffle 60 is always positioned in the notch in the moving process.

Backplate 61 passes through among pulley sliding connection in slide 62, slide 62 is the one end height that the slope form set up and be close to the cutting machine is less than the one end height of keeping away from the cutting machine, just backplate 61's bottom is equipped with balancing weight 9, aluminium alloy cutting device is still including being used for driving feeding conveyer belt and the synchronous pivoted conveying subassembly of exit conveyor.

Be equipped with one on ejection of compact platform with the curb plate is parallel and be located curb plate 5 with fluting between the exit conveyor, the fluting is located under the balancing weight, length with the length of curb plate equals, and the width is more than or equal to the width of balancing weight, so when the baffle along when the slide slides, the balancing weight can be followed fluting business turn over realizes the round trip movement of baffle.

When the front baffle 60 and the rear baffle 61 move to the foremost end of the slide way 62 under the driving of the aluminum profile, the slide rod 68 abuts against the blocking block 8, and the slide rod 68 moves towards the reservoir 65 and enables the slide block 67 to move towards the groove 66. At this time, the space of the liquid storage tank 65 is increased, and the front baffle 60, the connecting rod and the piston 64 are communicated, and move towards the rear baffle 61 under the thrust action of the aluminum profile until the front baffle 60 is not abutted to the front end of the aluminum profile any more. Set slide 62 to the slope form and be close to the one end of cutting machine and be less than the one end of keeping away from the cutting machine to set up balancing weight 9 in the bottom of backplate 61, preceding baffle 60, backplate 61 will slide back to the rearmost end of slide 62 under balancing weight 9 and baffle self action of gravity, in order to wait for the cutting work of aluminium alloy next time. So can improve this cutting device's degree of automation, its simple structure and easily installation have reduced manufacturing cost.

The spring rate of the spring 69 is selected so that the profile pushes the flapper to move along the slide 62 as the exit conveyor moves. And when the slide bar 68 is pressed against the stop block 8, the slide block 67 can move towards the groove direction, so that the front baffle 60 is communicated with the connecting rod and the piston 64 moves towards the rear baffle 61 under the thrust action of the aluminum profile. The spring rate of the spring 69 can be adjusted by a person skilled in the art in a limited number of experiments to obtain suitable parameters, which are not described in detail herein.

As a preferable technical scheme, the cross section of the front baffle is a right trapezoid, and a plurality of spherical rollers are mounted on the plane of the front baffle close to the cutting machine and the plane of the front baffle far away from the side plates. The spherical roller is in rolling connection with the front baffle. When the section bar moves on the conveyor belt and pushes the baffle plate to slide along the slideway, the spherical roller on the plane of the front baffle plate close to the cutting machine rolls relative to the front baffle plate and the section bar, and the baffle plate can be pushed by the thrust generated by the movement of the section bar, so that the baffle plate slides along the slideway. When the spherical gyro wheel on the plane that the curb plate was kept away from to preceding baffle toward backplate direction removal and preceding baffle was close to the side contact of curb plate with the section bar, the spherical gyro wheel on the plane that the curb plate was kept away from to preceding baffle was close to the side roll connection of curb plate with the section bar, has reduced the frictional resistance between preceding baffle and the section bar, can make things convenient for the baffle to slide along the slide and get back to the slide rearmost end under balancing weight and self action of gravity.

In summary, the aluminum profile cutting device disclosed by the invention has the following beneficial technical effects:

Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples, and various configurations may omit, replace, or add various processes or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many of the elements are examples and do not limit the scope of the disclosure or claims.

Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, such as well-known circuits, processes, algorithms, structures, and techniques, which have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.

Claims

1. The utility model provides an aluminium alloy cutting device, includes feed table, ejection of compact platform and cutting machine, the feed table includes feeding conveyer belt, the ejection of compact platform includes exit conveyor, feeding conveyer belt is the same with exit conveyor's direction of transfer and feeding conveyer belt's output is just to exit conveyor's input, the cutting machine is located between feeding conveyer belt and the exit conveyor and includes the cutting assembly that can be at the direction of transfer up-and-down motion of perpendicular to feeding conveyer belt, its characterized in that:

the cutting machine is provided with a distance sensor, the discharging table is provided with a measuring assembly which can move back and forth in the conveying direction and is opposite to the distance sensor, and when one end of the aluminum profile to be cut moves from the output end of the feeding conveying belt to the input end of the discharging conveying belt, the measuring assembly and the aluminum profile to be cut synchronously move in the conveying direction of the discharging conveying belt;

2. The aluminum profile cutting apparatus as set forth in claim 1, wherein the cutting machine comprises two support plates parallel to each other and perpendicular to the conveying direction of the feeding conveyor belt, the cutting unit is installed between the two support plates, and the distance sensor is provided on one of the support plates.

3. An aluminum profile cutting device according to any one of the preceding claims, wherein the measuring assembly comprises a side plate and a baffle plate, the side plate is mounted on the discharging table and is located on one side of the supporting plate where the distance sensor is located, a slide way is arranged in the side plate, and the baffle plate is slidably connected in the slide way.

4. The aluminum profile cutting device according to one of the preceding claims, wherein the baffle comprises a front baffle and a rear baffle, the baffle is slidably connected in a slide way through the rear baffle, a liquid storage tank for storing liquid is arranged in the rear baffle, a chute communicated with the liquid storage tank is arranged on the right side wall of the liquid storage tank, a piston is arranged in the chute, the front baffle is connected with the piston through a connecting rod, a groove is arranged in the rear baffle, a spring and a sliding block are arranged in the groove, one end of the spring is connected with the groove, the other end of the spring is connected with one end of the sliding block, the other end of the sliding block penetrates through the rear side wall of the liquid storage tank and can slide relative to the rear side wall of the liquid storage tank, the other end of the sliding block is connected with a sliding rod, and one end of the sliding rod penetrates through the front side wall, the sliding block, the liquid storage tank and the piston form a closed cavity, the side wall of the front baffle, which is located on one side of the cutting machine, is provided with an inclined surface, and the part, which is far away from the cutting machine and is located at one end of the sliding groove, of the side plate is provided with a blocking piece.

5. An aluminium profile cutting device according to any one of the preceding claims, wherein the tailgate is slidably connected in the slideway by a pulley.

6. An aluminium profile cutting device according to any one of the preceding claims, wherein the slideway is inclined such that the height of the end of the slideway adjacent to the cutter is less than the height of the end of the slideway remote from the cutter.

7. An aluminium profile cutting device according to any one of the preceding claims, wherein the bottom of the front baffle is provided with a counterweight.

8. An aluminium profile cutting device according to any one of the preceding claims, further comprising a conveyor assembly for driving the feed conveyor and the discharge conveyor in synchronous rotation.

9. An aluminium profile cutting device according to any one of the preceding claims, wherein the liquid is a lubricating oil.

10. An aluminium profile cutting device according to any one of the preceding claims, wherein the liquid is an oil-water mixture.