CN112439942A

CN112439942A - Fixed-length cutting device for tubular aluminum profiles

Info

Publication number: CN112439942A
Application number: CN202011152822.3A
Authority: CN
Inventors: 房涵; 赵也; 赵中华; 房冬梅
Original assignee: Shandong Haomen Aluminium Co ltd
Current assignee: Shandong Haomen Aluminium Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-03-05
Anticipated expiration: 2040-10-26
Also published as: CN112439942B

Abstract

The invention relates to the technical field of aluminum profile cutting, in particular to a fixed-length cutting device for tubular aluminum profiles, which comprises a cutting mechanism, a placing mechanism, a fixing mechanism, a resetting mechanism and a cleaning mechanism, wherein the placing mechanism is arranged on the cutting mechanism; one side of the cutting mechanism is fixedly connected with a placing mechanism, on one hand, a placing place is provided for cutting the tubular aluminum profile, and on the other hand, simultaneous measurement is carried out on the multi-heel tubular aluminum profile before cutting; the bottom of the placing mechanism is provided with a resetting mechanism, the interior of the resetting mechanism is connected with a fixing mechanism for fixing the aluminum profiles in a sliding manner, the aluminum profiles can be conveniently placed when the resetting mechanism is reset, one end of the fixing mechanism is rotated to fix the aluminum profiles, the length of the fixing mechanism can be adjusted, the aluminum profiles with different quantities can be fixed singly, and cutting is facilitated; the cleaning mechanism is installed on one side of the cutting mechanism, so that the cutting mechanism can clean the cut scraps when moving, and the cutting mechanism can slide conveniently.

Description

Fixed-length cutting device for tubular aluminum profiles

Technical Field

The invention relates to the technical field of aluminum profile cutting, in particular to a fixed-length cutting device for tubular aluminum profiles.

Background

The density of the aluminum profile is only 2.7g/cm3, which is about 1/3 of the density of steel, copper or brass (7.83 g/cm3, 8.93g/cm3, respectively). Aluminum exhibits excellent corrosion resistance under most environmental conditions, including in air, water (or brine), petrochemistry, and many chemical systems, and aluminum profiles are often selected for its excellent electrical conductivity. On a weight basis, aluminum has an electrical conductivity of about 1/2% that of copper and aluminum alloy has a thermal conductivity of about 50-60% that of copper, which is advantageous for the manufacture of heat exchangers, evaporators, heating appliances, cooking utensils, and automotive heads and radiators.

Present tubulose aluminium alloy is put on placing the board in the cutting and is fixed the tubulose aluminium alloy of needs cutting through the hydraulic stem, the bottom of hydraulic stem is a horizontally clamp plate usually, area of contact between clamp plate and the tubulose aluminium alloy is little, the aluminium alloy leads to the fact the shake easily in the cutting, influence the cutting, and be difficult to carry out the individual aluminium alloy to different quantity and separately fix, fixed effect is poor, the piece splashes easily on the slide rail when the cutting machine cutting, cause slider shake or slider jam easily in the slider gliding, influence the gliding smooth and easy nature of slider.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a fixed-length cutting device for tubular aluminum profiles.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a fixed length cutting device of tubulose aluminium alloy, includes cutting mechanism, placement mechanism, fixed establishment, canceling release mechanical system and cleans the mechanism for support overall structure, cut the aluminium alloy a lateral wall fixedly connected with of cutting mechanism is used for placing, measuring the tubulose aluminium alloy placement mechanism, canceling release mechanical system is installed to placement mechanism's bottom, canceling release mechanical system's inside sliding connection has and is located placement mechanism top, be used for fixing the tubulose aluminium alloy fixed establishment, the piece when cutting mechanism's one end is installed and is used for cleaning the cutting mechanism cleans.

Specifically, cutting mechanism includes backup pad, four supports, slide rail, slider and cutting machine body, one side fixed connection of placing the mechanism is wherein two the lateral wall of support, and four the top welding of support has the backup pad, the relative welding in top of backup pad has two cross-sections to be "protruding" font structure the slide rail, two the top sliding connection of slide rail has the slider, just the top of slider is installed and is extended to the backup pad bottom the cutting machine body.

The utility model discloses a cutting machine, including placing the board, cutting groove, measuring board, scale mark, slide bar, extension spring and ash leakage mouth, place the mechanism including placing the board, cutting groove, measuring board, scale mark, slide bar, extension spring and two of them the lateral wall of support is the cuboid structure through screw fixedly connected with place the board, the surface of placing the board is seted up and is located the cutting machine body bottom cut the groove, the inside horizontal welding of placing the board has the slide bar, the cross-section is "L" shape structure measure the board, slide bar sliding connection in measure the inside of board, measure the board with place between the board the centre gripping have the extension spring, the bottom of placing the board is seted up and is located cut groove bottom the ash leakage mouth, the surface of measuring the board is equipped with the scale mark.

Specifically, canceling release mechanical system includes chassis, containing box, slide, fixed box, second handle and spring, the welding of the bottom border department of placing the board has the side to be "L" shape structure the chassis, the welding of the lateral wall of chassis has the cavity rectangle structure the containing box, the inside sliding connection of containing box has the slide, the containing box with the centre gripping has between the slide the spring, the welding of the top of slide has the bottom open-ended fixed box, the welding of the both sides of fixed box has the second handle.

Specifically, fixed establishment includes fixed plate, spout, screw rod, carousel, draw runner, the first in command, cardboard and rubber pad, the inside of fixed box is through two draw runner sliding connection has the fixed plate, the draw runner weld in the lateral wall of fixed plate, the surface of fixed plate seted up with place the board parallel the spout, the one end welding of fixed plate has the first in command, the skin weld of placing the board has and runs through the spout the screw rod is located the fixed plate top threaded connection has the carousel on the screw rod, the bottom of fixed plate about spout symmetric welding has a plurality of arc structures the cardboard, a plurality of the bottom of cardboard all bonds the rubber pad.

Specifically, clean the mechanism and include apron, runner, brush, connecting rod, mounting bracket and walking wheel, the side center department of slider is fixed with the mounting bracket, the inside of mounting bracket is passed through the connecting rod rotates and is connected with the walking wheel, the equal fixedly connected with in both ends of connecting rod two the runner, four the equal equidistance in surface of runner bonds and has the brush, four the brush respectively with two the slide rail bottom, the side fixedly connected with of slider the apron.

The invention has the beneficial effects that:

(1) according to the fixed-length cutting device for the tubular aluminum profile, the placing mechanism is fixedly connected to one side of the cutting mechanism, on one hand, a placing place is provided for cutting the tubular aluminum profile, and on the other hand, simultaneous measurement is performed on the multi-heel tubular aluminum profile before cutting; namely: when the tubular aluminum profile is cut, the aluminum profile is placed on the placing plate and fixed through the clamping plate, the driving device drives the sliding block during cutting, the sliding block slides on the surface of the sliding rail, the cutting machine body is moved, the supporting plate and the support realize the movement of the cutting machine body, and the tubular aluminum profile on the placing plate is cut through the cutting machine body after the position is determined; confirm the quantity of the tubulose aluminium alloy of cutting when placing, place the lateral wall conflict of placing the one end of a plurality of aluminium alloy and measuring the board behind the surface of board with a plurality of aluminium alloy, it is further, realized aligning a plurality of aluminium alloy, promote a plurality of aluminium alloy simultaneously to the one end of measuring the board after aligning, observe the digit on the scale mark of cutting groove department, thereby the length of the aluminium alloy of quick definite cutting, realize the fixed length cutting, it can to a plurality of aluminium alloy fix through fixed establishment, it can to the aluminium alloy cutting through the cutting machine body, the piece that the cutting is falls the inside of cutting groove, the pulling is measured the board and is realized that the extension spring opens, it slides on placing the board to measure the board, when measuring the board and surpassing leak grey mouthful department, the realization is to measuring the.

(2) According to the fixed-length cutting device for the tubular aluminum profiles, the reset mechanism is mounted at the bottom of the placing mechanism, the fixing mechanism for fixing the aluminum profiles is connected inside the reset mechanism in a sliding mode, the aluminum profiles can be conveniently placed when the reset mechanism is reset, one end of the fixing mechanism is rotated to fix the aluminum profiles, the length of the fixing mechanism can be adjusted, the aluminum profiles with different numbers can be fixed singly, and cutting is facilitated; namely: when the aluminum profiles are placed on the surface of the placing plate, the fixing mechanism is ensured to be in an open state, the fixing box is at the highest point, the distance between the fixing plate and the placing plate is increased, the aluminum profiles can be placed conveniently, when the aluminum profiles need to be cut, the sliding plate in the containing box is contracted by pressing the second handle, the spring is extruded, and the fixing box is enabled to enable the fixing plate to be close to the placing plate to fix the aluminum profiles; the aluminium alloy is placed to the surface of placing the board after confirming the quantity of the aluminium alloy that needs the cutting, further carry out the side measurement to measuring length through measuring the board, press down the second handle after the measurement is accomplished and realize that fixed box drives the fixed plate and move to placing the board on, further realized that two sets of cardboard blocks are to placing the tubular aluminium alloy on the board on, then realize fixing the fixed plate through rotating the carousel, thereby it is fixed to have realized that rubber pad and cardboard press from both sides the aluminium alloy clamp, cut the aluminium alloy through the cutting machine body, can slide the fixed inside fixed plate of box before the carousel is fixed when aluminium alloy to different quantity is fixed, the number of pulling the first in command regulation cardboard, tubular aluminium alloy to different quantity carries out single fixed, do benefit to the cutting.

(3) According to the fixed-length cutting device for the tubular aluminum profile, the cleaning mechanism is arranged on one side of the cutting mechanism, so that the cutting scraps are cleaned when the cutting mechanism moves, and the cutting mechanism is favorable for sliding; namely: the walking wheel rolls in the backup pad when the slider is gliding, and further drives the connecting rod when the walking wheel rolls to realized that the connecting rod drives four runners and rotates, finally realized cleaning the cutting piece on the slide rail, do benefit to the slip of slider.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of an overall structure of a preferred embodiment of the fixed-length cutting device for tubular aluminum profiles provided by the invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the placement board, the fixing mechanism and the restoring mechanism shown in FIG. 2;

FIG. 4 is a schematic view of the connection structure of the fixing box and the fixing mechanism shown in FIG. 3;

FIG. 5 is a schematic view of the placement mechanism shown in FIG. 2;

FIG. 6 is an enlarged view of the structure of the portion B shown in FIG. 1;

fig. 7 is a schematic view of a connection structure of the cutting mechanism and the cleaning mechanism shown in fig. 6.

In the figure: 1. the cutting mechanism, 11, a support plate, 12, a support, 13, a sliding rail, 14, a sliding block, 15, a cutting machine body, 2, a placing mechanism, 21, a placing plate, 22, a cutting groove, 23, a measuring plate, 24, a scale mark, 25, a sliding rod, 26, a tension spring, 27, a dust leakage port, 3, a fixing mechanism, 31, a fixing plate, 32, a sliding chute, 33, a screw rod, 34, a rotating disc, 35, a sliding strip, 36, a first handle, 37, a clamping plate, 38, a rubber pad, 4, a reset mechanism, 41, a bottom frame, 42, a containing box, 43, a sliding plate, 44, a fixing box, 45, a second handle, 46, a spring, 5, a cleaning mechanism, 51, a cover plate, 52, a rotating wheel, 53, a brush, 54, a connecting rod, 55, a mounting frame, 56 and a.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-7, the fixed-length cutting device for tubular aluminum profiles according to the present invention includes a cutting mechanism 1, a placing mechanism 2, a fixing mechanism 3, a resetting mechanism 4, and a cleaning mechanism 5, wherein the placing mechanism 2 for placing and measuring tubular aluminum profiles is fixedly connected to a side wall of the cutting mechanism 1 for supporting an overall structure and cutting aluminum profiles, the resetting mechanism 4 is installed at a bottom end of the placing mechanism 2, the fixing mechanism 3 for fixing tubular aluminum profiles is slidably connected to an inside of the resetting mechanism 4, and the cleaning mechanism 5 for cleaning chips during cutting is installed at one end of the cutting mechanism 1.

Specifically, the cutting mechanism 1 includes a supporting plate 11, four brackets 12, a sliding rail 13, a sliding block 14 and a cutting machine body 15, one side of the placing mechanism 2 is fixedly connected to the side walls of two of the brackets 12, the supporting plate 11 is welded to the tops of the four brackets 12, the two sliding rails 13 with the cross sections in the shape of a Chinese character 'tu' are welded to the tops of the supporting plate 11, the sliding block 14 is connected to the tops of the two sliding rails 13 in a sliding manner, the cutting machine body 15 extending to the bottom of the supporting plate 11 is installed at the top of the sliding block 14, when a tubular aluminum profile is cut, the aluminum profile is placed on the placing plate 21 and fixed through the clamping plate 37, the driving device drives the sliding block 14 during cutting, so that the sliding block 14 slides on the surface of the sliding rail 13, and the cutting machine body 15 is moved, the supporting plate 11 and the bracket 12 realize the movement of the cutter body 15, and the tubular aluminum profiles on the placing plate 21 are cut through the cutter body 15 after the position is determined.

Specifically, the placing mechanism 2 includes a placing plate 21, a cutting groove 22, a measuring plate 23, scale lines 24, a sliding rod 25, a tension spring 26 and ash leakage openings 27, wherein the two side walls of the support 12 are fixedly connected with the placing plate 21 in a cuboid structure through screws, the cutting groove 22 located at the bottom end of the cutting machine body 15 is arranged on the surface of the placing plate 21, the sliding rod 25 is horizontally welded inside the placing plate 21, the measuring plate 23 is in an L-shaped structure in cross section, the sliding rod 25 is slidably connected inside the measuring plate 23, the tension spring 26 is clamped between the measuring plate 23 and the placing plate 21, the ash leakage openings 27 located at the bottom of the cutting groove 22 are arranged at the bottom of the placing plate 21, the scale lines 24 are arranged on the surface of the measuring plate 23, and the number of the cut tubular aluminum profiles is determined when the placing plate is placed, place behind the surface of board 21 with the one end of a plurality of aluminium alloy with measure the lateral wall of board 23 and contradict, it is further, realized aligning a plurality of aluminium alloy, promote a plurality of aluminium alloy simultaneously after aligning to the one end of measuring board 23, observe cut groove 22 department the digit on the scale mark 24 to the length of the aluminium alloy of quick definite cutting realizes the fixed length cutting, through fixed establishment 3 to a plurality of aluminium alloy fixed can, through cutting machine body 15 cut the aluminium alloy can, the piece that the cutting is fallen cut groove 22's inside, the pulling measure board 23 and realize that extension spring 26 opens, measure board 23 is in place board 21 and slide, work as measure board 23 surpass when leaking grey mouth 27 department the realization is right it advances the clearance to measure the piece on the board 23.

Specifically, the reset mechanism 4 includes a bottom frame 41, a containing box 42, a sliding plate 43, a fixing box 44, a second handle 45 and a spring 46, the bottom frame 41 with an L-shaped side surface is welded at the bottom edge of the placing plate 21, the containing box 42 with a hollow rectangular structure is welded at the side wall of the bottom frame 41, the sliding plate 43 is connected to the inside of the containing box 42 in a sliding manner, the spring 46 is clamped between the containing box 42 and the sliding plate 43, the fixing box 44 with a bottom opening is welded at the top of the sliding plate 43, the second handle 45 is welded at two sides of the fixing box 44, the fixing mechanism 3 is ensured to be in an open state when aluminum profiles are placed on the surface of the placing plate 21, the fixing box 44 is in an open state, and the distance between the fixing plate 31 and the placing plate 21 is increased, so as to facilitate the placement of the aluminum profiles, when the aluminum profile needs to be cut, the second handle 45 is pressed to contract the slide plate 43 inside the storage box 42, the spring 46 is pressed, and the fixing box 44 fixes the fixing plate 31 to the placing plate 31.

Specifically, the fixing mechanism 3 includes a fixing plate 31, a sliding groove 32, a screw 33, a rotating disc 34, sliding strips 35, a first handle 36, a clamping plate 37 and a rubber pad 38, the fixing box 44 is connected with the fixing plate 31 through the two sliding strips 35 in a sliding manner, the sliding strips 35 are welded on the side wall of the fixing plate 31, the sliding groove 32 parallel to the placing plate 21 is formed on the surface of the fixing plate 31, the first handle 36 is welded on one end of the fixing plate 31, the screw 33 penetrating through the sliding groove 32 is welded on the surface of the placing plate 21, the rotating disc 34 is connected on the screw 33 at the top of the fixing plate 31 in a threaded manner, a plurality of arc-shaped clamping plates 37 are symmetrically welded on the bottom of the fixing plate 31 relative to the sliding groove 32, the rubber pad 38 is bonded on the bottoms of the plurality of clamping plates 37, and the aluminum profiles are placed on the surface of the placing plate 21 after the number of the aluminum, the measured length is further measured laterally through the measuring plate 23, after the measurement is completed, the second handle 45 is pressed to drive the fixing box 44 to drive the fixing plate 31 to move towards the placing plate 21, the two groups of clamping plates 37 are clamped on the tubular aluminum profiles on the placing plate 21, then the fixing plate 31 is fixed by rotating the turntable 34, so that the rubber pads 38 and the clamping plates 37 clamp and fix the aluminum profiles, the aluminum profiles are cut through the cutting machine body 15, the fixing plate 31 inside the fixing box 44 can be slid before the turntable 34 is fixed when different numbers of aluminum profiles are fixed, the first handle 36 is pulled to adjust the number of the clamping plates 37, and the tubular aluminum profiles of different numbers are fixed individually, so that the cutting is facilitated.

Specifically, the sweeping mechanism 5 includes a cover plate 51, wheels 52, brushes 53, a connecting rod 54, an installation frame 55 and walking wheels 56, the installation frame 55 is fixed at the center of the side surface of the sliding block 14, the walking wheels 56 are rotatably connected to the inside of the installation frame 55 through the connecting rod 54, two ends of the connecting rod 54 are fixedly connected to two wheels 52, the brushes 53 are bonded to the surfaces of the four wheels 52 at equal intervals, the four brushes 53 are respectively connected to the bottoms of the two sliding rails 13, the cover plate 51 is fixedly connected to the side surface of the sliding block 14, the walking wheels 56 roll on the supporting plate 11 when the sliding block 14 slides, the connecting rod 54 is further driven when the walking wheels 56 roll, so that the connecting rod 54 drives the four wheels 52 to rotate, and finally the chips are swept and cut on the sliding rails 13, facilitating the sliding of the slider 14.

When the cutting machine is used, firstly, an aluminum profile is placed on the placing plate 21 and fixed through the clamping plate 37 when the tubular aluminum profile is cut, and further, the driving device drives the sliding block 14 during cutting, so that the sliding block 14 slides on the surface of the sliding rail 13, the cutting machine body 15 is moved, the supporting plate 11 and the support 12 move the cutting machine body 15, and the tubular aluminum profile on the placing plate 21 is cut through the cutting machine body 15 after the position is determined; the quantity of the cut tubular aluminum profiles is determined when the aluminum profiles are placed, one ends of the aluminum profiles are abutted against the side wall of the measuring plate 23 after the aluminum profiles are placed on the surface of the placing plate 21, further, the aluminum profiles are aligned, one ends of the measuring plate 23 are simultaneously pushed after the aluminum profiles are aligned, the numbers on the scale marks 24 at the cutting groove 22 are observed, so that the length of the cut aluminum profiles is rapidly determined, fixed-length cutting is realized, the aluminum profiles are fixed through the fixing mechanism 3, the aluminum profiles are cut through the cutting machine body 15, the cut pieces fall into the cutting groove 22, the measuring plate 23 is pulled to realize that the tension spring 26 is opened, the measuring plate 23 slides on the placing plate 21, and when the measuring plate 23 exceeds the ash leakage port 27, the pieces on the measuring plate 23 are cleaned; then, when placing the aluminum profile on the surface of the placing plate 21, it is ensured that the fixing mechanism 3 is in an open state, the fixing box 44 is at the highest point, and the distance between the fixing plate 31 and the placing plate 21 is increased, which is beneficial to placing the aluminum profile, and further when the aluminum profile needs to be cut, the contraction of the sliding plate 43 inside the containing box 42 is realized by pressing the second handle 45, the spring 46 is extruded, so that the fixing box 44 is enabled to approach the fixing plate 31 to the placing plate 31 for fixing the aluminum profile, the aluminum profile is placed on the surface of the placing plate 21 after the number of the aluminum profile needing to be cut is determined, further, the measured length is measured by the measuring plate 23, after the measurement is completed, the fixing box 44 is enabled to drive the fixing plate 31 to move to the placing plate 21 by pressing the second handle 45, further, the two sets of clamping plates 37 are clamped on the tubular aluminum profile on the placing plate 21, then, the fixing plate 31 is fixed by rotating the turntable 34, so that the rubber pads 38 and the clamping plates 37 clamp and fix the aluminum profiles, the aluminum profiles are cut by the cutting machine body 15, the fixing plate 31 in the fixing box 44 can be slid before the turntable 34 is fixed when different numbers of aluminum profiles are fixed, the number of the clamping plates 37 is adjusted by pulling the first handle 36, and the tubular aluminum profiles of different numbers are fixed individually, so that the cutting is facilitated; finally, the traveling wheels 56 roll on the support plate 11 while the sliding block 14 slides, and the connecting rods 54 are further driven while the traveling wheels 56 roll, so that the connecting rods 54 drive the four rotating wheels 52 to rotate, cutting chips on the sliding rail 13 are finally cleaned, and the sliding block 14 is facilitated.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a fixed length cutting device of tubulose aluminium alloy, its characterized in that includes cutting mechanism (1), placement mechanism (2), fixed establishment (3), canceling release mechanical system (4) and cleans mechanism (5) for support overall structure, cut the aluminium alloy a lateral wall fixedly connected with of cutting mechanism (1) is used for placing, measuring tubulose aluminium alloy placement mechanism (2), canceling release mechanical system (4) are installed to the bottom of placement mechanism (2), the inside sliding connection of canceling release mechanical system (4) is located placing mechanism (2) top, be used for fixing tubulose aluminium alloy fixed establishment (3), the one end of cutting mechanism (1) is installed and is used for cleaning the piece when cutting mechanism (5).

2. The fixed-length cutting device for tubular aluminum profiles according to claim 1, characterized in that: cutting mechanism (1) includes backup pad (11), four supports (12), slide rail (13), slider (14) and cutting machine body (15), one side fixed connection of placing mechanism (2) is wherein two the lateral wall of support (12), and four the top welding of support (12) has backup pad (11), the relative welding in top of backup pad (11) has two sections to be "protruding" font structure slide rail (13), two the top sliding connection of slide rail (13) has slider (14), just the top of slider (14) is installed and is extended to backup pad (11) bottom cutting machine body (15).

3. The fixed-length cutting device for tubular aluminum profiles according to claim 2, characterized in that: the placing mechanism (2) comprises a placing plate (21), a cutting groove (22), a measuring plate (23), scale marks (24), a sliding rod (25), tension springs (26) and ash leakage openings (27), wherein the side walls of the two supports (12) are fixedly connected with the placing plate (21) in a cuboid structure through screws, the cutting groove (22) at the bottom end of the cutting machine body (15) is formed in the surface of the placing plate (21), the sliding rod (25) is horizontally welded in the placing plate (21), the measuring plate (23) with an L-shaped cross section is connected with the measuring plate (23), the sliding rod (25) is connected with the measuring plate (23) in a sliding mode, the tension springs (26) are clamped between the measuring plate (23) and the placing plate (21), the ash leakage openings (27) at the bottom of the cutting groove (22) are formed in the bottom of the placing plate (21), the surface of the measuring plate (23) is provided with the scale marks (24).

4. A fixed-length cutting device for tubular aluminum profiles as claimed in claim 3, characterized in that: reset mechanism (4) are including chassis (41), containing box (42), slide (43), fixed box (44), second handle (45) and spring (46), the welding of the bottom border department of placing board (21) has the side to be "L" shape structure chassis (41), the welding of the lateral wall of chassis (41) has the hollow rectangle structure containing box (42), the inside sliding connection of containing box (42) has slide (43), containing box (42) with the centre gripping has between slide (43) spring (46), the welding of the top of slide (43) has bottom open-ended fixed box (44), the welding of the both sides of fixed box (44) has second handle (45).

5. The fixed-length cutting device for tubular aluminum profiles as claimed in claim 4, characterized in that: the fixing mechanism (3) comprises a fixing plate (31), sliding grooves (32), screw rods (33), a rotary table (34), sliding strips (35), a first handle (36), clamping plates (37) and a rubber pad (38), the fixing box (44) is connected with the fixing plate (31) through the two sliding strips (35) in a sliding mode, the sliding strips (35) are welded on the side wall of the fixing plate (31), the sliding grooves (32) parallel to the placing plate (21) are formed in the surface of the fixing plate (31), the first handle (36) is welded at one end of the fixing plate (31), the screw rods (33) penetrating through the sliding grooves (32) are welded on the surface of the placing plate (21), the rotary table (34) is connected to the screw rods (33) at the top of the fixing plate (31) in a threaded mode, and the clamping plates (37) which are of arc-shaped structures are symmetrically welded at the bottom of the fixing plate (31) relative to the sliding grooves (32), the rubber pads (38) are bonded to the bottoms of the clamping plates (37).

6. The fixed-length cutting device for tubular aluminum profiles according to claim 2, characterized in that: clean mechanism (5) including apron (51), runner (52), brush (53), connecting rod (54), mounting bracket (55) and walking wheel (56), the side center department of slider (14) is fixed with mounting bracket (55), the inside of mounting bracket (55) is passed through connecting rod (54) rotate and be connected with walking wheel (56), the equal fixedly connected with in both ends of connecting rod (54) is two runner (52), four the equal equidistance bonding in surface of runner (52) has brush (53), four brush (53) respectively with two slide rail (13) bottom, the side fixedly connected with of slider (14) apron (51).