CN115532914A

CN115532914A - Metal plate edge folding device convenient for adjusting folding angle and edge folding method thereof

Info

Publication number: CN115532914A
Application number: CN202211310227.7A
Authority: CN
Inventors: 唐帅帅; 唐文标
Original assignee: Jiangsu Bobicheng Information Technology Co ltd
Current assignee: Jiangsu Bobicheng Information Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2022-12-30

Abstract

The invention discloses a metal plate edge folding device convenient for adjusting a folding angle and an edge folding method thereof, and belongs to the field of metal plate edge folding. A metal plate edge folding device convenient for adjusting the folding angle comprises a supporting plate, wherein a fan-shaped plate is integrally formed on the supporting plate, a hollow upright rod is fixedly connected to the outer wall of the top of the supporting plate, a fixing plate is fixedly connected to the upright rod, and a scale mark matched with an adjusting plate is arranged on the supporting plate; a pressure lever is connected in the arc hole in a sliding way; second gear teeth which are distributed in the circumferential direction are arranged in the adjusting plate, and first gear teeth which are meshed with the second gear teeth are connected to the vertical rods in a sliding mode; a thin rod is connected in the vertical rod in a sliding manner, a circular plate is fixedly connected to the outer wall of the thin rod, a cord is connected to the outer wall of the circular plate, and one end, far away from the circular plate, of the cord is connected with the sliding block; the folding device is convenient for adjusting the folding angle, is convenient for positioning after adjustment, is convenient for adjustment, enlarges the use range and improves the working efficiency.

Description

Metal plate edge folding device convenient for adjusting folding angle and edge folding method thereof

Technical Field

The invention relates to the technical field of metal plate edge folding, in particular to a metal plate edge folding device convenient for adjusting a folding angle and an edge folding method thereof.

Background

The metal is a substance with the properties of luster, rich ductility, easy electric conduction, heat conduction and the like, the above properties of the metal are related to free electrons contained in a metal crystal, metal elements generally only show positive price in compounds, and the metal elements with relatively large atomic mass are called heavy metal.

Disclosure of Invention

The invention aims to solve the problem that the folding angle cannot be adjusted in the prior art, and provides a metal plate edge folding device and a metal plate edge folding method which are convenient to adjust the folding angle.

In order to achieve the purpose, the invention adopts the following technical scheme:

a metal plate edge folding device facilitating adjustment of a folding angle comprises a supporting plate, wherein a fan-shaped plate is integrally formed on the supporting plate, a hollow upright rod is fixedly connected to the outer wall of the top of the supporting plate, a fixed plate is fixedly connected to the upright rod, a dead slot is formed in the fixed plate, an adjusting plate is rotatably connected to the upright rod and is rotatably connected to the inside of the dead slot, and a scale mark matched with the adjusting plate is arranged on the supporting plate;

the supporting plate is provided with an arc hole, and a pressure rod is connected in the arc hole in a sliding manner;

the adjusting plate is provided with an annular groove, second gear teeth distributed circumferentially are arranged in the annular groove, and the upright rod is connected with first gear teeth meshed with the second gear teeth in a sliding manner;

a thin rod is connected in the vertical rod in a sliding mode, a circular plate is fixedly connected to the outer wall of the thin rod, a rope is connected to the outer wall of the circular plate, a sliding block is arranged on the outer wall of the first gear, and one end, far away from the circular plate, of the rope is connected with the sliding block.

Preferably, the first teeth of a cogwheel are equipped with two of mutual symmetry, two all be connected with the cotton rope on the first teeth of a cogwheel, two baffles of fixedly connected with in the pole setting, be equipped with the shrinkage pool on the baffle, the shrinkage pool internal rotation is connected with the pulley, cotton rope sliding connection is on the pulley, be equipped with elastic component 407 between slider and the baffle.

Preferably, pole setting top inner wall integrated into one piece's the lug that is provided with, sliding connection has the square in the lug, the square links to each other with the pin is fixed, it is connected with the dwang to rotate on the square, the top of dwang is rotated and is connected with the screw thread piece, screw thread piece and pole setting threaded connection, the top of screw thread piece is equipped with revolves the piece.

Further, be equipped with twice arc rack plate in the backup pad, the bottom of regulating plate is rotated and is connected with auxiliary gear, auxiliary gear meshes with arc rack plate mutually.

Furthermore, twice be equipped with the arc wall between the arc rack board, threaded connection has the regulation pole on the regulating plate, just offset with the inner wall of arc wall in the arc wall is arranged in to the bottom of adjusting the pole.

Furthermore, the bottom of the supporting plate is fixedly connected with a sleeve, a mounting plate is arranged at the bottom of the sleeve, mounting holes are formed in the mounting plate, a motor is arranged on the mounting plate, and a pinion is arranged at the output end of the motor. The bottom of backup pad is rotated and is connected with the axis of rotation, be equipped with the gear wheel with pinion engaged with in the axis of rotation, the outer wall fixedly connected with connecting plate of axis of rotation, depression bar fixed connection is on the connecting plate, just the outer wall of depression bar is equipped with the rubber pad.

Preferably, a first cylinder and a plurality of second cylinders are arranged in the sector plate, the first cylinder is communicated with the second cylinders through connecting pipes, a first sliding plate is connected in the first cylinder in a sliding mode, a threaded rod is connected to the first sliding plate in a rotating mode, a threaded cylinder is fixedly connected to the outer wall of the top of the sector plate, and the threaded rod is in threaded connection with the threaded cylinder.

Furthermore, a second sliding plate is connected in the second cylinder in a sliding mode, a connecting rod is fixedly connected to the outer wall of the second sliding plate, a pressing plate is fixedly connected to the outer wall of the connecting rod, a first spring is sleeved on the outer wall of the connecting rod, and the first spring is arranged between the second sliding plate and the inner wall of the second cylinder.

Furthermore, a sliding groove is formed in the fan-shaped plate, a third sliding plate is connected in the sliding groove in a sliding mode, a stop block is arranged on the third sliding plate, an inclined surface is arranged on the stop block, a second spring is arranged between the third sliding plate and the inner wall of the sliding groove, and a limiting plate is arranged on the supporting plate.

A metal plate edge folding method convenient for adjusting a folding angle comprises a metal plate edge folding device convenient for adjusting the folding angle, and is operated by the following steps:

s1, firstly, pulling a thin rod in a vertical rod upwards to drive a circular plate to move upwards, and pulling a first gear tooth through a cord to enable the first gear tooth and a second gear tooth not to be meshed;

s2, the adjusting plate can rotate at the moment, the adjusting plate is rotated according to the angle required to be bent, and observation is carried out through the scale marks;

s3, after the angle is adjusted, placing the metal plate needing to be folded in a gap between the sector plate and the fixed plate, and enabling one end of the metal plate needing to be bent to extend out of the sector plate and the fixed plate;

and S4, controlling the compression bar in the arc hole to rotate, so that the extending side of the metal plate is pushed to rotate, and further, bending the metal plate is completed.

Compared with the prior art, the invention provides the metal plate edge folding device and the edge folding method thereof, which are convenient for adjusting the folding angle, and have the following beneficial effects:

1. this convenient metal sheet hem device of adjusting angle of bending, when using, only after the thin pole rebound of elder generation control, thereby it is not in the cooperation with the second teeth of a cogwheel to drive first teeth of a cogwheel, could rotate the regulating plate this moment, thereby angle regulation, and set up the scale mark and be more convenient for adjust, after adjusting, the thin pole of control resets, thereby make first teeth of a cogwheel and the second teeth of a cogwheel cooperate once more, thereby the rigidity to the regulating plate, then place the metal sheet between sector plate and fixed plate, rotation through the depression bar, promote the rotation of metal sheet, can bend the operation to it.

2. This convenient metal sheet hem device of adjusting angle of bending, after the metal sheet was placed, can carry out effectual fixing to it through the clamp plate to it is better to make it bend the effect, convenient to use.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the folding angle adjusting device is convenient for adjusting the folding angle, is convenient for positioning after adjustment and adjusting, enlarges the use range and improves the working efficiency.

Drawings

FIG. 1 is a first structural schematic diagram of a metal plate edge folding device and a method for folding an edge of a metal plate, wherein the folding angle of the metal plate can be conveniently adjusted;

FIG. 2 is a schematic structural diagram of a metal plate edge folding device and a metal plate edge folding method thereof, which are provided by the invention and facilitate the adjustment of the folding angle;

FIG. 3 is a first schematic structural diagram of a bottom of a metal plate edge folding device and a method for folding the edge of the metal plate edge folding device, wherein the folding angle of the metal plate can be conveniently adjusted;

FIG. 4 is a second schematic structural diagram of the bottom of a metal plate edge folding device and a method for conveniently adjusting the folding angle thereof according to the present invention;

FIG. 5 is a partial schematic structural view of a metal plate edge folding device and a metal plate edge folding method thereof, which are provided by the invention and facilitate the adjustment of a folding angle;

FIG. 6 is a schematic cross-sectional view of a front view of an adjusting plate in a metal plate flanging device and a flanging method thereof, which are provided by the invention and facilitate the adjustment of a flanging angle;

FIG. 7 is a schematic cross-sectional view of a fan-shaped plate viewed from above in a metal plate flanging device and a flanging method thereof, which are provided by the present invention and facilitate the adjustment of a flanging angle;

FIG. 8 is a schematic cross-sectional view of a fan-shaped plate in a flanging device and a flanging method for a metal plate with a conveniently adjustable bending angle according to the present invention;

FIG. 9 is a schematic view of a portion A of FIG. 6 illustrating a metal plate hemming device and a hemming method thereof for conveniently adjusting a hemming angle according to the present invention;

fig. 10 is a schematic partial cross-sectional view of a top view of an adjusting plate in a metal plate flanging device and a flanging method thereof, which are provided by the invention and facilitate adjustment of a flanging angle.

In the figure: 1. a support plate; 101. a sleeve; 102. mounting a plate; 103. mounting holes; 104. an arc-shaped rack plate; 105. an arc-shaped slot; 106. scale lines; 107. a circular arc hole; 108. a limiting plate; 2. a sector plate; 201. a first cylinder; 202. a first slide plate; 203. a threaded barrel; 204. a threaded rod; 205. a second cylinder; 206. a second slide plate; 207. a connecting rod; 208. pressing a plate; 209. a first spring; 210. a connecting pipe; 3. erecting a rod; 301. a thread block; 302. rotating the block; 303. a bump; 304. a square block; 305. rotating the rod; 306. a thin rod; 307. a circular plate; 4. a fixing plate; 401. a baffle plate; 402. concave holes; 403. a pulley; 404. a cord; 405. a slider; 406. a first gear tooth; 407. an elastic member; 5. an adjusting plate; 501. an auxiliary gear; 502. adjusting a rod; 503. a second gear tooth; 6. a chute; 601. a third slide plate; 602. a stopper; 603. a second spring; 7. a motor; 701. a pinion gear; 702. a bull gear; 703. a rotating shaft; 704. a connecting plate; 705. a pressure lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Example 1:

referring to fig. 1-10, a metal plate edge folding device convenient for adjusting a folding angle comprises a supporting plate 1, wherein a fan-shaped plate 2 is integrally formed on the supporting plate 1, a hollow upright 3 is fixedly connected to the outer wall of the top of the supporting plate 1, a fixed plate 4 is fixedly connected to the upright 3, a dead slot is formed in the fixed plate 4, an adjusting plate 5 is rotatably connected to the upright 3, the adjusting plate 5 is rotatably connected to the dead slot, and a scale mark 106 matched with the adjusting plate 5 for use is arranged on the supporting plate 1; an arc hole 107 is formed in the supporting plate 1, and a pressure rod 705 is connected in the arc hole 107 in a sliding manner; an annular groove is formed in the adjusting plate 5, second gear teeth 503 which are distributed circumferentially are arranged in the annular groove, and a first gear tooth 406 which is meshed with the second gear teeth 503 is connected to the upright rod 3 in a sliding mode; the upright rod 3 is connected with a thin rod 306 in a sliding manner, a circular plate 307 is fixedly connected to the outer wall of the thin rod 306, a rope 404 is connected to the outer wall of the circular plate 307, a sliding block 405 is arranged on the outer wall of the first gear 406, and one end of the rope 404, which is far away from the circular plate 307, is connected with the sliding block 405.

When the metal plate bending device is used, the thin rod 306 in the upright rod 3 is pulled upwards to drive the circular plate 307 to move upwards, then the wire rope 404 is driven to move, at the moment, the wire rope 404 can pull the first gear tooth 406, so that the first gear tooth 406 is not meshed with the second gear tooth 503, at the moment, the adjusting plate 5 can be rotated, then the adjusting plate 5 can be rotated according to the angle to be bent, the angle between the adjusting plate 5 and the fixing plate 4 can be conveniently observed through the scale mark 106, the metal plate to be bent is placed in the gap between the sector plate 2 and the fixing plate 4, one end of the metal plate to be bent extends out of the sector plate 2 and the fixing plate 4, and then the pressing rod 705 in the arc hole 107 is controlled to rotate, so that the extending edge of the metal plate is pushed to rotate, and the metal plate is bent.

Example 2:

referring to fig. 1, 2, 6, 9 and 10, the metal plate edge folding device convenient for adjusting the folding angle comprises a supporting plate 1, wherein a fan-shaped plate 2 is integrally formed on the supporting plate 1, a hollow upright 3 is fixedly connected to the outer wall of the top of the supporting plate 1, a fixing plate 4 is fixedly connected to the upright 3, a dead slot is formed in the fixing plate 4, an adjusting plate 5 is rotatably connected to the upright 3, the adjusting plate 5 is rotatably connected in the dead slot, and a scale mark 106 matched with the adjusting plate 5 for use is arranged on the supporting plate 1; an arc hole 107 is formed in the supporting plate 1, and a pressure rod 705 is connected in the arc hole 107 in a sliding manner; an annular groove is formed in the adjusting plate 5, second gear teeth 503 which are distributed circumferentially are arranged in the annular groove, and a first gear tooth 406 which is meshed with the second gear teeth 503 is connected to the upright rod 3 in a sliding mode; the upright rod 3 is connected with a thin rod 306 in a sliding manner, a circular plate 307 is fixedly connected to the outer wall of the thin rod 306, a rope 404 is connected to the outer wall of the circular plate 307, a sliding block 405 is arranged on the outer wall of the first gear tooth 406, and one end, far away from the circular plate 307, of the rope 404 is connected with the sliding block 405.

The first gear teeth 406 are symmetrically arranged, the two first gear teeth 406 are both connected with a rope 404, the two baffles 401 are fixedly connected in the vertical rod 3, concave holes 402 are formed in the baffles 401, pulleys 403 are rotatably connected in the concave holes 402, the rope 404 is slidably connected to the pulleys 403, and elastic members 407 are arranged between the sliders 405 and the baffles 401.

The inner wall integrated into one piece in the top of the vertical rod 3 is provided with a convex block 303, the convex block 303 is internally and slidably connected with a square block 304, the square block 304 is fixedly connected with a thin rod 306, the square block 304 is rotatably connected with a rotating rod 305, the top of the rotating rod 305 is rotatably connected with a thread block 301, the thread block 301 is in threaded connection with the vertical rod 3, and the top of the thread block 301 is provided with a rotary block 302.

In the invention, the rotating block 302 is rotated to drive the thread block 301 to be in threaded connection with the upright rod 3, so that the thread block 301 drives the rotating rod 305 to move upwards, the square 304 is pulled to move upwards, and the thin rod 306 is further pulled to move, wherein the square 304 slides on the bump 303, can only slide but cannot rotate, therefore, the thin rod 306 can be limited through the square 304, the thin rod 306 can only move up and down, and cannot rotate, so that the subsequent use is convenient to drive, and the rotating rod 305 is rotationally connected with the thread block 301 and the square 304, so that the thread block 301 can conveniently drive the square 304 to move through the arranged rotating rod 305, and the use is convenient;

when the slender rod 306 moves upwards, the round plate 307 is driven to move, so that the wire rope 404 is pulled to move, the arranged pulley 403 can enable the wire rope 404 to slide more conveniently, friction is reduced, the service life of the slender rod is prolonged, then the wire rope 404 can pull the sliding block 405 to move, the first gear teeth 406 can further move, the first gear teeth 406 are not meshed with the second gear teeth 503 at the moment, the adjusting plate 5 can be rotated, the second gear teeth 503 on the adjusting plate 5 can be driven to rotate when the adjusting plate 5 is rotated, the adjusting plate 5 can be conveniently rotated because the first gear teeth 406 and the second gear teeth 503 are not meshed, after the angle is adjusted, the rotating block 302 is rotated reversely, the sliding block 405 and the first gear teeth 406 are automatically reset through the elastic piece 407, so that the first gear teeth 406 are meshed with the second gear teeth 503, at the moment, the adjusting plate 5 does not rotate, the adjusting plate 5 is convenient to position and facilitate bending operation, wherein the elastic piece 407 specifically adopts a spring or a shrapnel and the like.

Example 3:

referring to fig. 1 to 5, a metal plate hemming device facilitating adjustment of a hemming angle is substantially the same as in embodiment 2, further, two arc-shaped rack plates 104 are provided on a support plate 1, an auxiliary gear 501 is rotatably connected to the bottom of an adjustment plate 5, and the auxiliary gear 501 is engaged with the arc-shaped rack plates 104; when the adjusting plate 5 rotates, the auxiliary gear 501 engages with the arc-shaped rack plate 104, so that the adjusting plate 5 can be rotated more stably.

An arc-shaped groove 105 is formed between the two arc-shaped rack plates 104, an adjusting rod 502 is connected to the adjusting plate 5 through threads, and the bottom of the adjusting rod 502 is arranged in the arc-shaped groove 105 and is abutted to the inner wall of the arc-shaped groove 105; after adjusting plate 5 rotated to fixed angle, rotated adjusting rod 502, made its downstream, and inseparable support arc wall 105, further fixed adjusting plate 5 carries out, secondly, can set up anti-skidding line in arc wall 105, and the reinforcing adjusts the frictional behavior between pole 502 and the arc wall 105, and further improvement is to adjusting plate 5's fixed effect.

The bottom of backup pad 1 is fixedly connected with sleeve 101, and the bottom of sleeve 101 is equipped with mounting panel 102, is equipped with mounting hole 103 on the mounting panel 102, is equipped with motor 7 on the mounting panel 102, and the output of motor 7 is equipped with pinion 701. The bottom of the supporting plate 1 is rotatably connected with a rotating shaft 703, a large gear 702 meshed with the small gear 701 is arranged on the rotating shaft 703, a connecting plate 704 is fixedly connected to the outer wall of the rotating shaft 703, a pressing rod 705 is fixedly connected to the connecting plate 704, and a rubber pad is arranged on the outer wall of the pressing rod 705.

In the invention, the motor 7 is started to drive the pinion 701 at the output end to rotate, so as to drive the gearwheel 702 engaged with the pinion to rotate, and further drive the rotating shaft 703 to rotate, at the moment, the rotating shaft 703 drives the connecting plate 704 to rotate, and simultaneously, the pressure rod 705 arranged on the connecting plate 704 rotates in the arc hole 107 along with the connecting plate 704, so that the pressure rod 705 pushes one side of the metal plate to rotate, and the bending operation of the metal plate is realized.

Example 4:

referring to fig. 1-5 and 7-8, a metal plate edge folding device convenient for adjusting a folding angle comprises a supporting plate 1, wherein a sector plate 2 is integrally formed on the supporting plate 1, a hollow upright rod 3 is fixedly connected to the outer wall of the top of the supporting plate 1, a fixing plate 4 is fixedly connected to the upright rod 3, a hollow groove is formed in the fixing plate 4, an adjusting plate 5 is rotatably connected to the upright rod 3, the adjusting plate 5 is rotatably connected to the hollow groove, and a scale mark 106 matched with the adjusting plate 5 for use is arranged on the supporting plate 1; an arc hole 107 is formed in the supporting plate 1, and a pressure rod 705 is connected in the arc hole 107 in a sliding manner; an annular groove is formed in the adjusting plate 5, second gear teeth 503 which are distributed circumferentially are arranged in the annular groove, and a first gear tooth 406 which is meshed with the second gear teeth 503 is connected to the upright rod 3 in a sliding mode; the upright rod 3 is connected with a thin rod 306 in a sliding manner, a circular plate 307 is fixedly connected to the outer wall of the thin rod 306, a rope 404 is connected to the outer wall of the circular plate 307, a sliding block 405 is arranged on the outer wall of the first gear tooth 406, and one end, far away from the circular plate 307, of the rope 404 is connected with the sliding block 405.

A first cylinder 201 and a plurality of second cylinders 205 are arranged in the sector plate 2, the first cylinder 201 is communicated with the plurality of second cylinders 205 through connecting pipes 210, a first sliding plate 202 is connected in the first cylinder 201 in a sliding manner, a threaded rod 204 is connected on the first sliding plate 202 in a rotating manner, a threaded cylinder 203 is fixedly connected to the outer wall of the top of the sector plate 2, and the threaded rod 204 is in threaded connection with the threaded cylinder 203.

The second cylinder 205 is connected with a second sliding plate 206 in a sliding manner, the outer wall of the second sliding plate 206 is fixedly connected with a connecting rod 207, the outer wall of the connecting rod 207 is fixedly connected with a pressing plate 208, the outer wall of the connecting rod 207 is sleeved with a first spring 209, and the first spring 209 is arranged between the second sliding plate 206 and the inner wall of the second cylinder 205.

In the invention, after a metal plate is placed between the sector plate 2 and the fixed plate 4, the threaded rod 204 is rotated to be in threaded connection with the threaded cylinder 203, so that the threaded rod 204 drives the first sliding plate 202 to move downwards, gas in the first cylinder 201 is conveyed into the second cylinder 205 through the connecting pipe 210, then the second sliding plate 206 in the second cylinder 205 is pushed to move, the connecting rod 207 is driven to move through the second sliding plate 206, the pressing plate 208 is pushed to move to tightly abut against the metal plate, and the metal plate is limited, the second cylinder 205 is provided with a plurality of pressing plates 208, the pressing plates 208 are all connected in the second cylinder 205 in a sliding mode, the fixing effect on the metal plate is enhanced, after the gas in the second cylinder 205 is saturated, at the moment, the threaded rod 204 is harder to rotate under the pressure of the gas, at the moment, the rotation is stopped, when the metal plate needs to be disassembled after being bent, the threaded rod 204 is rotated reversely to drive the first sliding plate 202 to ascend, the pressing plate 208 is automatically reset under the action of the first spring 209, at the moment, the bent metal plate can be taken out, and the subsequent metal plate can be conveniently placed for processing.

The fan-shaped plate 2 is provided with a sliding groove 6, a third sliding plate 601 is slidably connected in the sliding groove 6, a stop block 602 is arranged on the third sliding plate 601, an inclined surface is arranged on the stop block 602, a second spring 603 is arranged between the third sliding plate 601 and the inner wall of the sliding groove 6, and the supporting plate 1 is provided with a limiting plate 108.

According to the invention, when the metal plate is placed between the sector plate 2 and the fixed plate 4, the metal plate can touch the stop block 602 to continuously push the metal plate, and under the action of the upper inclined surface of the stop block 602, the stop block 602 can slide into the chute 6, so that on one hand, the metal plate can be limited, the metal plate is prevented from touching the pressing plate 208 when being directly inserted, on the other hand, the metal plate can be fixed again, the metal plate can not be directly contacted with the supporting plate 1 due to the arranged limiting plate 108, and the metal plate is prevented from interfering with the supporting plate 1 when being bent.

Example 5:

a metal plate edge folding method convenient for adjusting a folding angle comprises a metal plate edge folding device convenient for adjusting the folding angle, and the method adopts the following steps:

s1, firstly, pulling the thin rod 306 in the upright rod 3 upwards to drive the circular plate 307 to move upwards, and pulling the first gear teeth 406 through the rope 404 to ensure that the first gear teeth 406 are not meshed with the second gear teeth 503;

s2, at the moment, the adjusting plate 5 can rotate, the adjusting plate 5 is rotated according to the angle required to be bent, and observation is carried out through the scale marks 106;

s3, after the angle is adjusted, placing the metal plate to be flanged in a gap between the sector plate 2 and the fixed plate 4, and enabling one end of the metal plate to be bent to extend out of the sector plate 2 and the fixed plate 4;

and S4, controlling the compression bar 705 in the arc hole 107 to rotate, so that the extending side of the metal plate is pushed to rotate, and further, bending the metal plate is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The metal plate edge folding device convenient for adjusting the folding angle comprises a supporting plate (1) and is characterized in that a fan-shaped plate (2) is integrally formed on the supporting plate (1), the outer wall of the top of the supporting plate (1) is fixedly connected with a hollow upright (3), the upright (3) is fixedly connected with a fixed plate (4), the fixed plate (4) is provided with a hollow groove, the upright (3) is rotatably connected with an adjusting plate (5), the adjusting plate (5) is rotatably connected in the hollow groove, and the supporting plate (1) is provided with a scale mark (106) matched with the adjusting plate (5) for use;

an arc hole (107) is formed in the supporting plate (1), and a pressure rod (705) is connected in the arc hole (107) in a sliding mode;

an annular groove is formed in the adjusting plate (5), second gear teeth (503) distributed circumferentially are arranged in the annular groove, and first gear teeth (406) meshed with the second gear teeth (503) are connected to the upright rod (3) in a sliding manner;

the vertical rod (3) is connected with a thin rod (306) in a sliding mode, the outer wall of the thin rod (306) is fixedly connected with a circular plate (307), the outer wall of the circular plate (307) is connected with a rope (404), the outer wall of the first gear tooth (406) is provided with a sliding block (405), and one end, far away from the circular plate (307), of the rope (404) is connected with the sliding block (405).

2. The metal plate flanging device convenient for adjusting the bending angle according to claim 1, wherein the first gear teeth (406) are symmetrically provided with two wires (404) connected to the two first gear teeth (406), the upright rod (3) is internally and fixedly connected with two baffle plates (401), the baffle plates (401) are provided with concave holes (402), the concave holes (402) are rotatably connected with pulleys (403), the wires (404) are slidably connected to the pulleys (403), and an elastic member 407 is arranged between the sliding block (405) and the baffle plates (401).

3. The metal plate flanging device convenient for adjusting the flanging angle according to claim 1, wherein a convex block (303) is integrally formed on the inner wall of the top of the vertical rod (3), a square block (304) is slidably connected in the convex block (303), the square block (304) is fixedly connected with a thin rod (306), a rotating rod (305) is rotatably connected on the square block (304), a thread block (301) is rotatably connected on the top of the rotating rod (305), the thread block (301) is in threaded connection with the vertical rod (3), and a rotary block (302) is arranged on the top of the thread block (301).

4. A metal plate hemming device for conveniently adjusting a hemming angle according to claim 3 wherein two curved rack plates (104) are provided on the support plate (1), an auxiliary gear (501) is rotatably connected to the bottom of the adjustment plate (5), and the auxiliary gear (501) is engaged with the curved rack plates (104).

5. A metal plate flanging device convenient for adjusting the flanging angle according to claim 4, characterized in that an arc-shaped groove (105) is arranged between two arc-shaped rack plates (104), an adjusting rod (502) is connected to the adjusting plate (5) through screw threads, and the bottom of the adjusting rod (502) is placed in the arc-shaped groove (105) and is abutted against the inner wall of the arc-shaped groove (105).

6. A metal plate flanging device convenient for adjusting the bending angle according to claim 5, characterized in that a sleeve (101) is fixedly connected to the bottom of the supporting plate (1), a mounting plate (102) is arranged at the bottom of the sleeve (101), a mounting hole (103) is arranged on the mounting plate (102), a motor (7) is arranged on the mounting plate (102), and a pinion (701) is arranged at the output end of the motor (7). The bottom of backup pad (1) rotates to be connected with axis of rotation (703), be equipped with gear wheel (702) with pinion (701) engaged with on axis of rotation (703), the outer wall fixedly connected with connecting plate (704) of axis of rotation (703), depression bar (705) fixed connection is on connecting plate (704), just the outer wall of depression bar (705) is equipped with the rubber pad.

7. The metal plate flanging device convenient for adjusting the bending angle according to claim 1, wherein a first cylinder (201) and a plurality of second cylinders (205) are arranged in the sector plate (2), the first cylinder (201) is communicated with the plurality of second cylinders (205) through a connecting pipe (210), a first sliding plate (202) is connected in the first cylinder (201) in a sliding mode, a threaded rod (204) is connected to the first sliding plate (202) in a rotating mode, a threaded barrel (203) is fixedly connected to the outer wall of the top of the sector plate (2), and the threaded rod (204) is in threaded connection with the threaded barrel (203).

8. The metal plate flanging device convenient for adjusting the bending angle according to claim 7, wherein a second sliding plate (206) is slidably connected in the second cylinder (205), a connecting rod (207) is fixedly connected to the outer wall of the second sliding plate (206), a pressing plate (208) is fixedly connected to the outer wall of the connecting rod (207), a first spring (209) is sleeved on the outer wall of the connecting rod (207), and the first spring (209) is arranged between the second sliding plate (206) and the inner wall of the second cylinder (205).

9. A metal plate flanging device convenient for adjusting the bending angle according to claim 8, characterized in that a sliding groove (6) is arranged on the sector plate (2), a third sliding plate (601) is slidably connected in the sliding groove (6), a stop block (602) is arranged on the third sliding plate (601), an inclined surface is arranged on the stop block (602), a second spring (603) is arranged between the third sliding plate (601) and the inner wall of the sliding groove (6), and a limiting plate (108) is arranged on the supporting plate (1).

10. A method of conveniently adjusting a folding angle of a metal sheet, comprising the apparatus of any one of claims 1 to 9, wherein the method comprises the steps of:

s1, firstly, pulling a thin rod (306) in an upright rod (3) upwards to drive a circular plate (307) to move upwards, and pulling a first gear tooth (406) through a rope (404) to ensure that the first gear tooth (406) is not meshed with a second gear tooth (503);

s2, the adjusting plate (5) can rotate at the moment, the adjusting plate (5) is rotated according to the angle required to be bent, and observation is carried out through the scale marks (106);

s3, after the angle is adjusted, placing the metal plate needing to be folded in a gap between the sector plate (2) and the fixed plate (4), and enabling one end, needing to be bent, of the metal plate to extend out of the sector plate (2) and the fixed plate (4);

s4, the compression bar (705) in the arc hole (107) is controlled to rotate, so that the extending side of the metal plate is pushed to rotate, and the metal plate is bent.