CN111318764B

CN111318764B - Iron sheet fixed-distance slotting device for building iron sheet shed

Info

Publication number: CN111318764B
Application number: CN202010180015.6A
Authority: CN
Inventors: 赵月养
Original assignee: Individual
Current assignee: Wu Yanmei
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2021-07-16
Anticipated expiration: 2040-03-16
Also published as: CN111318764A

Abstract

The invention relates to a slotting device, in particular to an iron sheet fixed-distance slotting device for constructing an iron sheet shed. The technical problem is how to design an iron sheet fixed-distance slotting device which can be more convenient for people to cut and slot an iron sheet and has high working efficiency for constructing an iron sheet shed. An iron sheet spacing slotting device for constructing an iron sheet shed comprises a shell, wherein a handle is fixedly connected to one side outside the shell, and a multi-groove plate is arranged between the sides, far away from the handle, in the shell; and the driving mechanism is arranged between the inner side of the shell and the multi-groove plate and used for improving power. According to the invention, the shell is sleeved at the edge of the iron sheet, the shell is pulled to move along the edge of the iron sheet to drive the roller to rotate, so that the cutter can intermittently swing to cut and slit the iron sheet, the cutting and slitting distances are consistent, the cutting position does not need to be measured firstly by people, and then the iron sheet is marked and cut, the operation is more convenient, and the working efficiency is high.

Description

Iron sheet fixed-distance slotting device for building iron sheet shed

Technical Field

The invention relates to a slotting device, in particular to an iron sheet fixed-distance slotting device for constructing an iron sheet shed.

Background

Iron sheet: 1. an outer layer of iron. 2. A thin iron sheet. Typically lead iron or tinplate. Such as: a tin can made of iron sheet. 3. The surface of the steel material is adhered with metal oxide mainly containing iron. Is characterized in that: the steel surface has the dark grey or reddish brown to be scale-shaped, strip or cubic iron sheet, and in daily life, some people can build the cabin, and the top of cabin is then built with the iron sheet, but in order to make the iron sheet assemble, all can cut the seam on the iron sheet for the iron sheet can assemble together and form the roof.

At present, people all measure the position that needs the cutting with the iron sheet earlier with the quantity chi, mark again, and after the mark, people cut the iron sheet by taking cutting means with hand, and so the operation is more troublesome, leads to work efficiency low to the position that needs the cutting is more, needs the round trip movement cutting means that relapse, and the time is long, and the people is tired out easily, still more hard.

Therefore, an iron sheet fixed-distance slotting device which can be used for more conveniently cutting and slotting the iron sheet by people and is high in working efficiency is particularly needed to solve the problems in the prior art.

Disclosure of Invention

In order to overcome the defects that the cutting position is measured well by the measuring tape, then the marking is carried out, and after the marking is carried out, people hold a cutting tool to cut and slit the iron sheet, the operation is troublesome, and the working efficiency is low, the invention has the technical problems that: the iron sheet fixed-distance slotting device for constructing the iron sheet shed is convenient for people to cut and slot the iron sheet and high in working efficiency.

The utility model provides an iron sheet distance slotting device for iron sheet canopy is built, including: the multi-groove plate is arranged between the sides, far away from the handles, in the shell; the driving mechanism is arranged between the inner side of the shell and the multi-groove plate and is used for improving power; and the cutting mechanism is arranged on the inner side of the shell, is fixedly connected with the driving mechanism and is used for cutting and slotting the iron sheet.

Further, the driving mechanism comprises a roller, a hollow rotating shaft, a sliding rod, a fixed plate, a vertical plate, a reel, a pull wire, a hollow cylinder, a hexagonal rod, a contact rod, a spiral spring and a return spring, wherein the vertical plate is arranged in the middle of one side in the shell far away from the multi-groove plate, the hexagonal rod is rotatably arranged at the lower part of the vertical plate, one part of the hexagonal rod close to the vertical plate is fixedly connected with the reel, the pull wire is wound on the reel and fixedly connected with the telescopic cutting mechanism, the spiral spring is connected to the hexagonal rod close to the vertical plate, the tail end of the spiral spring is fixedly connected with one side of the vertical plate facing the reel, the hollow rotating shaft is arranged between one side of the shell far away from the handle and one side of the multi-groove plate close to the hexagonal rod, the roller is arranged on the hollow rotating shaft between the multi-groove plate and the shell, and, the sliding type of the sliding rod matched with the groove is connected with one part of the multi-groove plate close to the hollow rotating shaft in a penetrating mode, one end of the multi-groove plate is located in the groove, the other end of the multi-groove plate is fixedly connected with a fixing plate, the reset spring is sleeved on the sliding rod, one end of the reset spring is fixed to one side of the fixing plate facing the roller, the other end of the reset spring is fixedly connected with one side of the multi-groove plate facing the vertical plate, a rotary type of the fixing plate close to the hexagonal rod is connected with a hollow cylinder in a penetrating mode, the end portion of the hexagonal rod facing the roller is located in the hollow cylinder and is in sliding fit with the hollow cylinder, the number of the contact rods is at least two, the symmetrical type of the reset spring is fixedly connected with the outer.

Further, the cutting mechanism comprises vertical rods, at least four L-shaped plates, a first spring, a cutter, a swinging block, a rotating rod, a first torsion spring, sliding blocks, a second spring and arc-shaped inclined blocks, wherein each two vertical rods are in a group and are arranged on one side in a shell body close to a vertical plate, the vertical rods are positioned on two sides of the vertical plate, the L-shaped plates are slidably sleeved on the four vertical rods, one sides of the L-shaped plates facing towards the six diamond rods are fixedly connected with the tail ends of the stay wires, the first spring is sleeved on the vertical rods, one end of the first spring is fixedly connected with the tail ends of the vertical rods, the other end of the first spring is fixedly connected with one side of the L-shaped plates facing towards the six diamond rods, the sliding blocks are at least two in number and are slidably connected with two ends of the L-shaped plates close to the handle in a penetrating manner, and the second spring is connected between the end part facing towards the handle, install in the casing that is close to the handle one side with sliding block contact complex arc sloping block, the installation of bull stick rotary type is between the casing both sides that are close to the montant, the quantity of cutter is two at least, its symmetrical formula install in the both sides of bull stick, articulate with sliding block complex swing piece in the cutter tip towards arc sloping block, both sides in the casing with be connected with first torsion spring between the bull stick both sides.

The positioning mechanism comprises an n-shaped plate, a u-shaped rod, a return block, a swinging frame, a second torsion spring and a third spring, the u-shaped rod is arranged on one side in a shell far away from the handle and close to the roller, the return block fixed by the roller can be sleeved on the u-shaped rod in a sliding mode, the third spring is connected between one side in the return block far away from the roller and one side in the u-shaped rod close to the roller, the swinging frame matched with the return block is hinged to one side of the multi-groove plate far away from the hollow rotating shaft and is in contact with the return block, the second torsion spring is connected to the hinged position of the swinging frame and the multi-groove plate, and the n-shaped plate in contact with the swinging frame is arranged between one sides of two cutters far away from the handle.

The roller is rotatably distributed between two sides in the shell close to the roller at intervals, and the guide cylinder is sleeved on the roller.

Further, the iron scrap collecting device comprises a collecting frame and a permanent magnet, wherein the collecting frame capable of collecting iron scraps is slidably clamped between two sides in the shell close to the cutter, and the permanent magnet capable of sucking the iron scraps is fixedly connected to one side of the collecting frame facing the cutter.

The invention has the beneficial effects that: according to the invention, the shell is sleeved at the edge of the iron sheet, the shell is pulled to move along the edge of the iron sheet to drive the roller to rotate, so that the cutter can intermittently swing to cut and slit the iron sheet, the cutting and slitting distances are consistent, the cutting position does not need to be measured firstly by people, and then the iron sheet is marked and cut, the operation is more convenient, the working efficiency is high, the roller can be fixed in the process of cutting the iron sheet by the cutter through the action of the positioning mechanism, and the influence of the movement of the cutter on the flatness of a cut is avoided.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of a first partial body structure according to the present invention.

FIG. 3 is a schematic view of a second partial body structure according to the present invention.

Fig. 4 is an enlarged schematic view of part a of the present invention.

Fig. 5 is an enlarged view of part B of the present invention.

Fig. 6 is an enlarged schematic view of part C of the present invention.

Fig. 7 is an enlarged view of the portion D of the present invention.

In the figure: 1 shell, 2 handles, 3 multi-groove plates, 4 driving mechanisms, 41 drums, 42 hollow rotating shafts, 43 sliding rods, 44 fixing plates, 45 risers, 46 reels, 47 pull wires, 48 hollow cylinders, 49 hexagonal rods, 410 grooves, 411 contact rods, 412 volute springs, 413 return springs, 5 cutting mechanisms, 51 vertical rods, 52L-shaped plates, 53 first springs, 54 cutters, 55 swinging blocks, 56 rotating rods, 57 first torsion springs, 58 sliding blocks, 59 second springs, 510 arc-shaped inclined blocks, 6 positioning mechanisms, 61 n-shaped plates, 62 u-shaped rods, 63 returning blocks, 64 swinging frames, 65 second torsion springs, 66 third springs, 67 clamping grooves, 7 rolling shafts, 8 guide cylinders, 9 collecting frames and 10 permanent magnets.

Detailed Description

The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.

Example 1

Referring to fig. 1-6, an iron sheet distance slotting device for building an iron sheet shed comprises a shell 1, a handle 2, a multi-groove plate 3, a driving mechanism 4 and a cutting mechanism 5, wherein the handle 2 is fixedly connected to the outer left side surface of the shell 1, the multi-groove plate 3 is fixedly connected between the right side of the inner top of the shell 1 and the right sides of the inner front side surface and the inner rear side surface, the driving mechanism 4 is arranged between the multi-groove plate 3 and the left side of the inner top of the shell 1, the cutting mechanism 5 is arranged between the left side of the inner top of the shell 1, and the cutting mechanism 5 is fixedly connected with.

The driving mechanism 4 comprises a roller 41, a hollow rotating shaft 42, a sliding rod 43, a fixed plate 44, a vertical plate 45, a reel 46, a pull wire 47, a hollow cylinder 48, a hexagonal rod 49, a contact rod 411, a volute spring 412 and a return spring 413, wherein the vertical plate 45 is fixedly connected to the middle of the left side of the inner top of the shell 1, the hexagonal rod 49 is rotatably connected to the middle of the lower part of the vertical plate 45, the volute spring 412 is connected between the left part of the hexagonal rod 49 and the right side surface of the vertical plate 45, the reel 46 is fixedly connected to the left part of the hexagonal rod 49, the reel 46 is positioned on the right side of the volute spring 412, the pull wire 47 is wound on the reel 46, the tail end of the pull wire 47 is fixedly connected with the cutting mechanism 5, the hollow rotating shaft 42 is rotatably connected between the middle of the right side of the shell 1 and the lower part of the multi-groove plate 3, the, the right end of the sliding rod 43 is located in the groove 410 and is in sliding fit with the groove, the left end of the sliding rod 43 is fixedly connected with the fixing plate 44, the reset spring 413 is connected between the upper portion of the right side face of the fixing plate 44 and the left side face of the multi-groove plate 3, the reset spring 413 is sleeved on the sliding rod 43, the middle of the lower portion of the fixing plate 44 is rotatably connected with the hollow cylinder 48, the right end of the hexagonal rod 49 is located in the hollow cylinder 48 and is in sliding fit with the hollow cylinder 48, the right portion of the outer side face of the hollow cylinder 48 is fixedly connected with.

The cutting mechanism 5 comprises vertical rods 51, an L-shaped plate 52, a first spring 53, a cutter 54, a swinging block 55, a rotating rod 56, a first torsion spring 57, a sliding block 58, a second spring 59 and an arc-shaped inclined block 510, wherein two vertical rods 51 are fixedly connected with the front part and the rear part of the left side of the inner top of the shell 1, the L-shaped plate 52 is arranged between the four vertical rods 51 in a sliding manner, the first spring 53 is wound between the inner top of the L-shaped plate 52 and the bottom end of the vertical rod 51, the middle part of the right side of the inner top of the L-shaped plate 52 is fixedly connected with the tail end of a stay wire 47, the sliding blocks 58 are arranged on the front side and the rear side of the lower part of the L-shaped plate 52 in a sliding manner, the second spring 59 is connected between the front side and the rear side of the left end of the sliding block 58 and the outer left side of the L-shaped plate 52, the arc-, the left end of the cutting knife 54 is hinged with a swing block 55, the swing block 55 is matched with a sliding block 58, and a first torsion spring 57 is connected between the front and back parts of the rotating rod 56 and the inner side surface of the shell 1.

At first, operating personnel holds handle 2 and removes 1 covers in iron sheet edge of casing, actuating mechanism 4 and iron sheet contact, pulling handle 2 drives 1 removals of casing, 1 removals of casing drive actuating mechanism 4 remove, actuating mechanism 4 removes and rolls the function on the iron sheet, and then actuating mechanism 4 functions and drives 5 functions of cutting mechanism, 5 functions of cutting mechanism cut the iron sheet and slit, and simultaneously, actuating mechanism 4 still makes 5 intermittent type nature functions of cutting mechanism, and 5 intermittent type nature operations of cutting mechanism cut the iron sheet to the distance. After the iron sheet is cut, the device can be taken down from the iron sheet.

When an operator sleeves the shell 1 on an iron sheet, the roller 41 contacts with the iron sheet, the handle 2 can be pulled to move the shell 1, the shell 1 moves to drive the hollow rotating shaft 42 to rotate through the roller 41, the roller 41 rotates to drive the hollow rotating shaft 42 to rotate forwards, the hollow rotating shaft 42 rotates forwards to drive the hollow cylinder 48 to rotate forwards through the contact rod 411, the hollow cylinder 48 rotates forwards to drive the hexagonal rod 49 to rotate forwards, the scroll spring 412 is compressed, the hexagonal rod 49 rotates forwards to drive the reel 46 to rotate forwards, the reel 46 rotates forwards to wind the pull wire 47, the pull wire 47 is wound up to drive the cutting mechanism 5 to operate, the cutting mechanism 5 operates to cut and slit the iron sheet, when the roller 41 rotates to separate the groove 410 from the slide rod 43, the slide rod 41 drives the slide rod 43 to move leftwards, the slide rod 43 moves leftwards to drive the fixing plate 44 to move leftwards, the hollow cylinder 48 moves leftwards to drive the contact rod 411 to move leftwards, the contact rod 411 moves leftwards to be separated from the hollow rotating shaft 42, the hexagonal rod 49 rotates reversely to drive the winding wheel 46 to rotate reversely under the action of the spiral spring 412, the pull wire 47 is loosened, the cutting mechanism 5 operates and resets, when the roller 41 rotates forwards continuously to enable the groove 410 and the slide rod 43 to correspond, the slide rod 43 moves rightwards to the groove 410 under the action of the reset spring 413, the slide rod 43 moves rightwards to drive the fixing plate 44 to move rightwards, the hollow cylinder 48 drives the contact rod 411 to move rightwards to be matched with the hollow rotating shaft 42, the winding wheel 46 is enabled to wind up the pull wire 47 again, the cutting mechanism 5 cuts and cracks the iron sheet, and the steps are repeated so that the iron sheet can be. After the iron sheet is cut and the seam is opened, the device can be taken down from the iron sheet.

Initially, the second spring 59 is in a compressed state, when the reel 46 rotates forward to wind up the pull wire 47, the pull wire 47 drives the L-shaped plate 52 to move downward, the first spring 53 is compressed, the L-shaped plate 52 moves downward to drive the sliding block 58 to move downward, when the sliding block 58 moves downward to contact with the swinging block 55, the sliding block 58 drives the swinging block 55 to swing downward, the swinging block 55 swings downward to drive the left part of the cutter 54 to swing downward, the left part of the cutter 54 swings downward to swing upward, the first torsion spring 57 stretches, when the sliding block 58 moves downward to the lower part of the arc-shaped inclined block 510, due to the action of the second spring 59, the sliding block 58 moves leftward to separate from the swinging block 55, due to the action of the first torsion spring 57, the right part of the cutter 54 swings downward to cut the iron sheet, the cutter 54 swings and resets after the iron sheet is cut, when the contact rod 411 moves leftward to separate from the hollow rotating shaft 42, the pull wire 47 is loosened by the reverse rotation of the reel 46, the L-shaped plate 52 moves upwards to drive the sliding block 58 to move upwards and reset due to the action of the first spring 53, the sliding block 58 moves upwards to slide over the swinging block 55, the arc-shaped inclined block 510 enables the sliding block 58 moving upwards to move rightwards, the second spring 59 compresses, and the operation is repeated, so that the iron sheet can be continuously and intermittently cut and slit, and the cutting distance is consistent every time.

Example 2

Referring to fig. 2, fig. 3 and fig. 7, the present embodiment is different from embodiment 1 mainly in that in the present embodiment, the multi-groove cutting machine further comprises a positioning mechanism 6, the positioning mechanism 6 comprises an n-shaped plate 61, a u-shaped rod 62, a U-shaped block 63, a swinging frame 64, a second torsion spring 65 and a third spring 66, the u-shaped rod 62 is fixedly connected to the middle of the right side of the inner top of the shell 1, the U-shaped block 63 is arranged in the middle of the U-shaped rod 62 in a sliding mode, the third spring 66 is connected between the inner top of the U-shaped block 63 and the inner bottom of the U-shaped rod 62, the swinging frame 64 is hinged to the middle of the upper portion of the multi-groove plate 3, the right end of the swinging frame 64 is in contact fit with the U-shaped block 63, the second torsion spring 65 is arranged at the hinged position of the swinging frame 64 and the multi-groove plate 3, the n-shaped plate 61 is fixedly connected between the right sides of the tops of the front and rear side cutters 54, the right.

Initially, the third spring 66 is in a stretching state, when the right part of the cutter 54 swings upwards, the cutter 54 drives the n-shaped plate 61 to move upwards, the n-shaped plate 61 moves upwards to drive the swing frame 64 to swing upwards towards the left part, the second torsion spring 65 compresses, the left part of the swing frame 64 swings upwards to make the right part swing downwards, the swing frame 64 swings downwards towards the right part without blocking the return block 63, when the roller 41 rotates forward to enable the clamping groove 67 to rotate forward to be located under the steel sheet returning block 63, the steel sheet returning block 63 moves downwards to be inserted into the clamping groove 67 to fix the roller 41 under the action of the third spring 66, at the moment, the cutter 54 also swings downwards to cut the steel sheet, the n-shaped plate 61 is separated from the swing frame 64, the swing frame 64 swings upwards at the right part to drive the steel sheet returning block 63 to move upwards to be separated from the clamping groove 67 under the action of the second torsion spring 65, and the third spring 66 stretches to continuously pull the device to move to cut and open the seam of the steel sheet. Therefore, the cutter 54 can stop moving in the process of cutting the iron sheet, and the cutter 54 is prevented from causing uneven cuts on the iron sheet.

Example 3

Referring to fig. 1 and 2, the present embodiment is different from

embodiments

1 and 2 mainly in that the present embodiment further includes a roller 7 and a guide cylinder 8, the roller 7 is rotatably connected to the right side of the lower portion of the front and rear side surfaces of the housing 1 at a uniform interval, and the guide cylinder 8 is fixedly connected to the roller 7.

The iron scrap collecting device is characterized by further comprising a collecting frame 9 and a permanent magnet 10, the collecting frame 9 capable of collecting iron scraps is arranged between the lower portions of the shell 1 in a sliding mode, and the permanent magnet 10 is fixedly connected to the bottom in the collecting frame 9.

When casing 1 cover was in iron sheet edge, the iron sheet still contacted with guide cylinder 8, and then operating personnel pulled handle 2 and made casing 1 when moving on the iron sheet, and guide cylinder 8 rolls on the iron sheet. Therefore, the device can move more smoothly on the iron sheet and avoid blockage.

When the iron sheet is cut and slotted by the cutter 54, the generated iron scrap falls into the collecting frame 9, and the permanent magnet 10 absorbs the iron scrap. After this device takes off from the iron sheet, can handle iron fillings with collecting frame 9 from casing 1, the whole back of handling of iron fillings will be collected in frame 9 is put back to casing 1 again. Therefore, the iron chips can be prevented from falling to the surrounding to influence the environment.

While the disclosure has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the invention as disclosed herein. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims

1. The utility model provides an iron sheet distance ware of cracking for iron sheet canopy is built, characterized by, including:

the multi-groove plate comprises a shell (1), wherein a handle (2) is fixedly connected to one side of the outer side of the shell (1), and a multi-groove plate (3) is arranged between the sides, far away from the handle (2), of the shell (1);

the driving mechanism (4) is arranged between the inner side of the shell (1) and the multi-groove plate (3) and is used for improving power;

the cutting mechanism (5) is arranged on the inner side of the shell (1), is fixedly connected with the driving mechanism (4), and is used for cutting and slotting the iron sheet;

the driving mechanism (4) comprises a roller (41), a hollow rotating shaft (42), a sliding rod (43), a fixing plate (44), a vertical plate (45), a reel (46), a pull wire (47), a hollow cylinder (48), a hexagonal rod (49), a contact rod (411), a volute spring (412) and a return spring (413), wherein the vertical plate (45) is installed in the middle of one side in the shell (1) far away from the multi-groove plate (3), the hexagonal rod (49) is rotatably installed on the lower portion of the vertical plate (45), one side of the hexagonal rod, close to the vertical plate (45), is fixedly connected with the reel (46), the pull wire (47) is wound on the reel (46) and is fixedly connected with the telescopic cutting mechanism (5), the volute spring (412) is connected onto the hexagonal rod (49) close to the vertical plate (45), and the tail end of the volute spring is fixedly connected with one side, facing the vertical plate (45) of the reel (46), the hollow rotating shaft (42) is rotatably installed between one side of the shell (1) far away from the handle (2) and one side of the multi-groove plate (3) close to the hexagonal rod (49), the roller (41) is installed on the hollow rotating shaft (42) between the multi-groove plate (3) and the shell (1), a groove (410) is formed in an eccentric position of one side of the hollow rotating shaft (42) facing the vertical plate (45), the sliding rod (43) matched with the groove (410) is slidably connected to one part of the multi-groove plate (3) close to the hollow rotating shaft (42) in a penetrating mode, one end of the sliding rod is located in the groove (410), the other end of the sliding rod is fixedly connected with the fixing plate (44), the reset spring (413) is sleeved on the sliding rod (43), one end of the reset spring is fixed to one side of the fixing plate (44) facing the roller (41), and the other end of the reset spring is fixedly connected with one side of the multi-groove, the fixing plate (44) close to the hexagonal rod (49) is rotatably connected with a hollow cylinder (48) in a penetrating mode, the end portion, facing the roller (41), of the hexagonal rod (49) is located in the hollow cylinder (48) and is in sliding fit with the hollow cylinder, the number of the contact rods (411) is at least two, the contact rods are symmetrically fixedly connected with the periphery of the outer side face of the hollow cylinder (48) close to the multi-groove plate (3), and the contact rods (411) are in contact fit with the hollow rotating shaft (42);

the cutting mechanism (5) comprises vertical rods (51), an L-shaped plate (52), first springs (53), a cutter (54), a swinging block (55), a rotating rod (56), a first torsion spring (57), a sliding block (58), second springs (59) and arc-shaped inclined blocks (510), wherein the number of the vertical rods (51) is at least four, every two vertical rods (51) are in one group and are arranged on one side in a shell (1) close to a vertical plate (45), the vertical rods (51) are positioned on two sides of the vertical plate (45), the L-shaped plate (52) is slidably sleeved on the four vertical rods (51), one side of the L-shaped plate (52) facing towards a six diamond rod (49) is fixedly connected with the tail end of the stay wire (47), the first springs (53) are sleeved on the vertical rods (51), one end of the L-shaped plate is fixedly connected with the tail end of the vertical rods (51), and the other end of the L-shaped plate (52) facing the six diamond rod (49) is fixedly connected with one side, the number of the sliding blocks (58) is at least two, the sliding blocks are slidably penetrated and connected with the two ends of the L-shaped plate (52) close to the handle (2), a second spring (59) is connected between the end part facing the handle (2) and the outer side of the L-shaped plate (52) facing the handle (2), the arc-shaped inclined block (510) which is in contact fit with the sliding block (58) is arranged on one side in the shell (1) close to the handle (2), the rotating rod (56) is rotatably arranged between two sides in the shell (1) close to the vertical rod (51), the number of the cutting knives (54) is at least two, the swinging blocks (55) matched with the sliding blocks (58) are hinged at the end parts of the cutting knives (54) facing the arc-shaped inclined blocks (510), and a first torsion spring (57) is connected between two sides in the shell (1) and two sides of the rotating rod (56).

2. The iron sheet spacing and slotting device for constructing the iron sheet shed as claimed in claim 1, which is characterized in that: the device is characterized by further comprising a positioning mechanism (6), wherein the positioning mechanism (6) comprises an n-shaped plate (61), a u-shaped rod (62), a U-shaped block (63), a swinging frame (64), a second torsion spring (65) and a third spring (66), the U-shaped rod (62) is installed on one side, far away from the handle (2), in the shell (1) close to the roller (41), the U-shaped block (63) capable of fixing the roller (41) is sleeved on the U-shaped rod (62) in a sliding mode, the third spring (66) is connected between one side, far away from the roller (41), of the inner side of the U-shaped block (63) and one side, close to the roller (41), of the U-shaped rod (62), the swinging frame (64) matched with the U-shaped block (63) is hinged to one side, far away from the multi-groove plate (3) of the hollow rotating shaft (42), and is in contact with the U-shaped block (63), the second torsion spring (65) is connected to the hinged position of the swinging frame (64) and the multi-groove plate (3), the n-shaped plate (61) which is in contact fit with the swing frame (64) is arranged between the sides of the two cutting blades (54) far away from the handle (2).

3. The iron sheet spacing and slotting device for constructing the iron sheet shed as claimed in claim 2, which is characterized in that: the device is characterized by further comprising a rolling shaft (7) and a guide cylinder (8), wherein the rolling shaft (7) is rotatably distributed between two sides in the shell (1) close to the roller (41) at intervals, and the guide cylinder (8) is sleeved on the roller (41).

4. The iron sheet spacing and slotting device for constructing the iron sheet shed as claimed in claim 3, which is characterized in that: still including collecting frame (9) and permanent magnet (10), can to collection frame (9) slidingtype joint that iron fillings were collected in be close to between the casing (1) of cutter (54) interior both sides, its one side rigid coupling in towards cutter (54) has permanent magnet (10) that can hold iron fillings.