CN115007683A

CN115007683A - Metal plate leveling machine

Info

Publication number: CN115007683A
Application number: CN202210819411.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-09-06

Abstract

The invention relates to the technical field of eveners, in particular to a metal plate evener which comprises a shell, a feeding mechanism, a conveying mechanism, a detecting mechanism and a blanking mechanism, wherein the feeding mechanism is installed on one side of the shell; the detection mechanism comprises a shell, a thin steel sheet, a push block, a spring, a pressing block and a pressure sensor, wherein the thin steel sheet is movably mounted in the middle of the shell, the push block is fixedly mounted on one side of the thin steel sheet, the spring is fixedly mounted on one side of the push block, and the pressing block is fixedly mounted at one end of the spring. The invention adopts the automatic detection mechanism, and the peripheral flatness of the metal plate is detected in a mechanized and automatic manner without dead angles, so that the labor cost is saved, the detection omission caused by manual detection can be avoided, and the accuracy of the detection result is improved.

Description

Metal plate leveling machine

Technical Field

The invention relates to the technical field of leveling machines, in particular to a metal plate leveling machine.

Background

The metal plate flattening machine is used for extruding a strip or plate with certain thickness by using an upper flattening roller and a lower flattening roller, so that the defect of uneven surface of the metal plate is greatly eliminated, and the effect of improving the surface quality of the metal plate is achieved. A typical sheet metal leveler is primarily arranged in an upper four to five or an upper three to four arrangement.

After the metal plate is leveled and processed, a worker needs to hold the metal sheet by hands to try to insert the metal sheet between the metal plate and the table plate, the metal sheet can be inserted into the metal sheet to indicate that the metal plate is uneven, the metal sheet cannot be inserted into the metal sheet to indicate that the flatness of the metal plate reaches the standard, time is wasted in manual detection, and the detection of contact points of each metal plate and the table plate is difficult to achieve through manual detection, so that the detection result is slightly wrong; sheet metal needs artifical intermittent type nature to put into, and especially thickness is slightly bigger, when warping the sheet metal that is serious a little and grind flat, and the qualified roughness that can't once flattening processing just reaches panel needs the staff to put into the feed inlet again after detecting with the sheet metal after the flattening processing and carries out secondary flattening processing, and this processing mode can seriously waste staff's time when meetting large batch sheet metal flattening, increases the cost of labor.

Disclosure of Invention

In order to achieve the above purpose, the invention is realized by the following technical scheme:

the invention provides a metal plate leveling machine which comprises a shell, a feeding mechanism, a conveying mechanism, a detection mechanism and a discharging mechanism, wherein the feeding mechanism is installed on one side of the shell;

the detection mechanism comprises a shell, a thin steel sheet, a push block, a spring, a pressing block and a pressure sensor, wherein the thin steel sheet is movably mounted in the middle of the shell, the push block is fixedly mounted on one side of the thin steel sheet, the spring is fixedly mounted on one side of the push block, the pressing block is fixedly mounted at one end of the spring, the pressure sensor is fixedly mounted on one side of the inside of the shell, and the push block and the pressing block are movably mounted inside the shell.

Further, feed mechanism includes storage slide, feed inlet, first support, first electric telescopic handle, push pedal and baffle, casing one side fixed mounting has the storage slide, the feed inlet has been seted up to casing one side link up, casing one side fixed mounting has first support, first support one side fixed mounting has first electric telescopic handle, first electric telescopic handle's flexible fixed mounting has the push pedal, push pedal one side fixed mounting has the baffle, push pedal movable mounting is in storage slide middle part.

Further, conveying mechanism includes first conveyer belt, flattening roller, second conveyer belt, return bend, second support, third conveyer belt, limiting plate and third support, casing middle part fixed mounting has first conveyer belt, a plurality of flattening rollers are installed to first conveyer belt one side, the second conveyer belt is installed to flattening roller one side, the return bend is installed to second conveyer belt one side, return bend one side fixed mounting has the second support, the third conveyer belt is installed to return bend bottom one side, the limiting plate is installed to third conveyer belt top one side, limiting plate one side fixed mounting has the third support.

Further, flattening roller, second conveyer belt, second support, third conveyer belt and third support all fixed mounting are in the middle part of the casing.

Further, unloading mechanism includes flitch, sixth support, rotor plate, seventh support and second electric telescopic handle down, flitch is installed to third conveyer belt one side, the equal fixed mounting in flitch both sides has a plurality of sixth supports down, the equal fixed mounting in sixth support is at the casing middle part, flitch middle part rotates to articulate has the rotor plate down, flitch bottom one side fixed mounting has the seventh support down, seventh support one side fixed mounting has second electric telescopic handle.

Furthermore, the blanking mechanism further comprises a qualified product outlet and a defective product outlet, the qualified product outlet and the defective product outlet are formed in one side of the shell in a penetrating mode, the qualified product outlet is communicated and matched with the blanking plate, and the defective product outlet is communicated and matched with the rotating plate.

Further, the second electric telescopic rod is abutted to the rotating plate but not connected with the rotating plate.

Further, detection mechanism still includes fourth support, bottom plate and fifth support, shell one side fixed mounting has the fourth support, equal movable mounting in middle part of second conveyer belt and the third conveyer belt has the bottom plate, bottom plate one side fixed mounting has the fifth support, the equal fixed mounting of fourth support and fifth support in casing inside wall.

Furthermore, the friction force between the transmission belts of the second transmission belt and the third transmission belt and the metal plate is far larger than the resistance of the thin steel sheet to the metal plate.

Further, the inner space size of return bend can satisfy sheet metal and slide in its inside, equal symmetry, movable mounting in second conveyer belt and third conveyer belt top one side has two detection mechanism.

The invention has the following beneficial effects:

(1) the invention relates to a metal plate leveling machine, which adopts an automatic detection mechanism, and reaches a second conveyor belt after being leveled by a leveling roller, a metal plate moves rightwards to contact and extrude a thin steel plate under the driving of the second conveyor belt, the thin steel plate moves towards the inside of a shell so as to drive a pushing block to move towards a pressing block, the pushing block moves an extrusion spring, the spring contracts and transmits partial pressure to the pressing block, the pressing block extrudes a pressure sensor, when the metal plate continues to move rightwards under the driving of the second conveyor belt to be separated from the contact and extrude the thin steel plate, the pushing block resets under the tension of the spring so as to drive the thin steel plate to reset, and the pressure sensor transmits the pressure value and the duration to a central processor. The second conveyer belt continues to drive sheet metal and slides to the return bend, and sheet metal is at the inside landing of return bend and turn-over, then falls to third conveyer belt surface, and under the drive of third conveyer belt, sheet metal's other both sides detect through detection mechanism, and mechanized, automatic carry out no dead angle to sheet metal's roughness all around and detect, have practiced thrift the cost of labor, also can avoid the artifical hourglass of detecting and bringing to examine, improve the degree of accuracy of testing result.

(2) The invention relates to a metal plate leveling machine, which adopts an automatic blanking mechanism, a worker places a metal plate in the middle of a storage slideway in a single layer, the metal plate slides to the bottom of the storage slideway, namely a feeding hole under the action of self gravity, a first electric telescopic rod works periodically and intermittently, one end of the first electric telescopic rod extends to drive a push plate to move towards the right side so as to drive a baffle plate to move towards the right side and block the downward sliding of the next metal plate, meanwhile, the push plate pushes the metal plate at the bottom of the storage slideway to enter the feeding hole and then to be in contact with a first conveyor belt, the metal plate is driven by the first conveyor belt to move towards the right side, one end of the first electric telescopic rod shortens and resets and drives the baffle plate to reset, the next metal plate slides to the bottom of the storage slideway under the action of self gravity, and after the first electric telescopic rod resets for one second, first electric telescopic handle one end is extension once more, and work more than the repetition, automatic timing unloading, it is simple, convenient, saved a large amount of costs of labor.

Drawings

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

Fig. 1 is a schematic view of the overall structure of a metal plate leveler according to the present invention;

FIG. 2 is a schematic view of the internal structure of a sheet metal leveler of the present invention;

FIG. 3 is a schematic view of a blanking mechanism of a sheet metal leveler according to the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 1;

fig. 5 is an enlarged view of fig. 2 at B.

In the figure:

1. a housing;

2. a feeding mechanism; 21. a material storage slideway; 22. a feed inlet; 23. a first bracket; 24. a first electric telescopic rod; 25. pushing the plate; 26. a baffle plate;

3. a conveying mechanism; 31. a first conveyor belt; 32. flattening the rollers; 33. a second conveyor belt; 34. bending the pipe; 35. a second bracket; 36. a third conveyor belt; 37. a limiting plate; 38. a third support;

4. a detection mechanism; 41. a fourth bracket; 42. a housing; 43. a thin steel sheet; 44. a push block; 45. a spring; 46. pressing into blocks; 47. a pressure sensor; 48. a base plate; 49. a fifth support;

5. a blanking mechanism; 51. a blanking plate; 52. a sixth support; 53. a rotating plate; 54. a seventh support; 55. a second electric telescopic rod; 56. qualified products are exported; 57. and (7) discharging defective products.

Detailed Description

In order to make the objects, technical means and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to solve the technical problems, the technical scheme in the embodiment of the invention has the following general idea: after the metal sheet is leveled and processed, a worker is required to hold the metal sheet in a hand to try to insert the metal sheet into the space between the metal sheet and the table plate, the metal sheet can be inserted into the space to indicate that the metal sheet is not flat, the metal sheet cannot be inserted into the space to indicate that the flatness of the metal sheet reaches the standard, time is wasted in manual detection, and manual detection is difficult to detect the contact point of each metal sheet and the table plate, so that the detection result has the technical problem of slight error. Aiming at the technical problems that when a metal plate needs to be placed in an intermittent manner manually, especially when the metal plate with a larger thickness and a more serious deformation is flattened, the qualified flatness of the plate can not be achieved by one-time flattening processing, and the metal plate after one-time flattening processing needs to be detected by a worker and then placed into a feeding hole again for secondary flattening processing, the processing mode can seriously waste the time of the worker and increase the labor cost when the large-batch metal plate is flattened, the unqualified detected metal plates are distinguished and collected.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

As shown in fig. 1 and 2, an embodiment of the present invention provides a metal plate leveling machine, which includes a housing 1, a feeding mechanism 2, a conveying mechanism 3, a detecting mechanism 4 and a discharging mechanism 5, wherein the feeding mechanism 2 is installed on one side of the housing 1, the feeding mechanism 2 is used for automatic and timed feeding, labor cost is saved, the conveying mechanism 3 is installed in the middle of the housing 1 and is used for conveying and leveling metal plates, the detecting mechanism 4 is installed on one side of the conveying mechanism 3 and is used for detecting the leveling degree of the leveled metal plates, and the discharging mechanism 5 is installed on one side of the conveying mechanism 3 and is used for distinguishing qualified products from defective products;

as shown in fig. 5, the detecting mechanism 4 includes a housing 42, a thin steel sheet 43, a push block 44, a spring 45, a press block 46 and a pressure sensor 47, the thin steel sheet 43 is movably mounted in the middle of the housing 42 and used for monitoring the flatness of the metal plate, the push block 44 is fixedly mounted on one side of the thin steel sheet 43, the spring 45 is fixedly mounted on one side of the push block 44, the press block 46 is fixedly mounted at one end of the spring 45, the spring 45 is used for linking the press block 46 and the push block 44 and used for linking the reset of the press block 46 and the push block 44, the pressure sensor 47 is fixedly mounted on one side inside the housing 42 and used for monitoring the pressure data transmitted by the press block 46, and the press block 44 and the press block 46 are both movably mounted inside the housing 42.

In this embodiment, the metal plate contacts and extrudes the thin steel sheet 43, the thin steel sheet 43 moves towards the inside of the shell 42, so as to drive the push block 44 to move towards the press block 46, the push block 44 moves and extrudes the spring 45, the spring 45 contracts and transmits partial pressure to the press block 46, the press block 46 extrudes the pressure sensor 47, when the metal plate is separated from the contact and extrudes the thin steel sheet 43, the push block 44 resets under the tension of the spring 45, so as to drive the thin steel sheet 43 to reset, and the pressure sensor 47 uploads the pressure value and duration to the central processor.

As shown in fig. 2 and 4, concretely, feed mechanism 2 includes storage slide 21, feed inlet 22, first support 23, first electric telescopic handle 24, push pedal 25 and

baffle

26, 1 one side fixed mounting of casing has

storage slide

21, 1 one side of casing link up and has seted up

feed inlet

22, 1 one side fixed mounting of casing has

first support

23, 23 one side fixed mounting of first support has first electric telescopic handle 24, the flexible fixed mounting of first electric telescopic handle 24 has push pedal 25, first electric telescopic handle 24 is used for promoting push pedal 25, and then promote sheet metal, push pedal 25 one side fixed mounting has baffle 26, a gliding for blockking next sheet metal, push pedal 25 movable mounting is in storage slide 21 middle part.

In this embodiment, as shown in fig. 2, the staff places the sheet metal individual layer in the middle of the storage slide 21, sheet metal slips to the bottom of the storage slide 21 under the action of self gravity, that is, the feed inlet 22 is located, first electric telescopic handle 24 is regular, the intermittent type nature work, 24 one end of first electric telescopic handle extends, drive push pedal 25 to move to the right, thereby drive baffle 26 to move to the right, block the gliding of next sheet metal, simultaneously, push pedal 25 promotes the sheet metal of the storage slide 21 bottom and gets into

feed inlet

22, 24 one end of first electric telescopic handle shortens to reset, and drive baffle 26 to reset, next sheet metal slips to the bottom of the storage slide 21 under the action of self gravity, after first electric telescopic handle 24 resets for 5-10 seconds, 24 one end of first electric telescopic handle extends again, repeat above work.

As shown in fig. 2, specifically, the conveying mechanism 3 includes a first conveyor belt 31, a flattening roller 32, a second conveyor belt 33, an elbow pipe 34, a second support 35, a third conveyor belt 36, a limiting plate 37 and a third support 38, the first conveyor belt 31 is fixedly mounted in the middle of the housing 1, a plurality of flattening rollers 32 are mounted on one side of the first conveyor belt 31, the second conveyor belt 33 is mounted on one side of the flattening rollers 32, the elbow pipe 34 is mounted on one side of the second conveyor belt 33, the second support 35 is fixedly mounted on one side of the elbow pipe 34, the third conveyor belt 36 is mounted on one side of the bottom of the elbow pipe 34, the limiting plate 37 is mounted on one side of the top of the third conveyor belt 36, and is used for eliminating inertia of the metal plate, and limiting the position of the metal plate, and the third support 38 is fixedly mounted on one side of the limiting plate 37.

In this embodiment, the push plate 25 pushes the metal plate at the bottom of the storage chute 21 to enter the feed opening 22 and then contact with the first conveyor belt 31, the metal plate is driven by the first conveyor belt 31 to move to the right side, and after being leveled by the leveling roller 32, the metal plate reaches the second conveyor belt 33, the metal plate is driven by the second conveyor belt 33 to slide down to the bent pipe 34, and the metal plate slides down and turns over inside the bent pipe 34 and then falls on the surface of the third conveyor belt 36.

Specifically, the flattening roller 32, the second conveyor belt 33, the second bracket 35, the third conveyor belt 36, and the third bracket 38 are all fixedly installed at the middle of the casing 1.

As shown in fig. 3, specifically, the blanking mechanism 5 includes a blanking plate 51, sixth brackets 52, a rotating plate 53, seventh brackets 54 and a second electric telescopic rod 55, the blanking plate 51 is installed on one side of the third conveyor belt 36, the sixth brackets 52 are fixedly installed on both sides of the blanking plate 51, the sixth brackets 52 are fixedly installed in the middle of the housing 1, the sixth brackets 52 are used for fixing the blanking plate 51, the rotating plate 53 is rotatably hinged in the middle of the blanking plate 51 and used for changing the movement track of the metal plate, the seventh bracket 54 is fixedly installed on one side of the bottom of the blanking plate 51, and the second electric telescopic rod 55 is fixedly installed on one side of the seventh bracket 54 and used for supporting the rotating plate 53.

In this embodiment, when sheet metal landing to time blanking plate 51, the data that central processor uploaded pressure sensor 47 carry out the analysis, if data are located the qualified interval that the staff set for then second electric telescopic handle 55 is out of work, sheet metal is along flitch 51 landing to certified products export 56 down, if data are located outside the qualified interval that the staff set for then second electric telescopic handle 55 work, second electric telescopic handle 55 one end shortens, thereby make rotor plate 53 rotate downwards under self action of gravity, sheet metal is along flitch 51 landing to rotor plate 53 down, then landing to substandard products export 57, second electric telescopic handle 55 one end extension resets, thereby the extrusion drives rotor plate 53 and rotates and reset.

As shown in fig. 1, the blanking mechanism 5 further includes a qualified product outlet 56 and a defective product outlet 57, the qualified product outlet 56 and the defective product outlet 57 are formed through one side of the housing 1, the qualified product outlet 56 is communicated with the blanking plate 51, and the defective product outlet 57 is communicated with the rotating plate 53.

Specifically, the second electric telescopic rod 55 is in contact with but not connected to the rotating plate 53.

As shown in fig. 2, specifically, the detecting mechanism 4 further includes a fourth support 41, a bottom plate 48 and a fifth support 49, the fourth support 41 is fixedly installed on one side of the housing 42, the bottom plate 48 is movably installed in the middle of each of the second conveyor belt 33 and the third conveyor belt 36 and is used for supporting the transmission belts of the second conveyor belt 33 and the third conveyor belt 36, so as to ensure the flatness of the second conveyor belt 33 and the third conveyor belt 36 and reduce the detection error of the flatness of the metal plate, the fifth support 49 is fixedly installed on one side of the bottom plate 48, and the fourth support 41 and the fifth support 49 are fixedly installed on the inner side wall of the housing 1.

Specifically, the friction between the transmission belts of the second and

third transmission belts

33, 36 and the metal plate is much larger than the resistance of the thin steel sheet 43 to the metal plate.

Specifically, the size of the inner space of the elbow pipe 34 can satisfy the requirement that the metal plate slides in the inner part, and two detection mechanisms 4 are symmetrically and movably mounted on one sides of the tops of the second conveyor belt 33 and the third conveyor belt 36.

The specific working mode is as follows:

during the leveling of the batch of metal plates, as shown in fig. 2, a worker places a single metal plate layer in the middle of the storage slide rail 21, the metal plate slides down to the bottom of the storage slide rail 21 under the action of its own gravity, i.e. at the feed port 22, the first electric telescopic rod 24 works intermittently at regular time, one end of the first electric telescopic rod 24 extends to drive the push plate 25 to move to the right side, thereby driving the baffle 26 to move to the right side to block the downward sliding of the next metal plate, at the same time, the push plate 25 pushes the metal plate at the bottom of the storage slide rail 21 into the feed port 22 and then contacts with the first conveyor belt 31, the metal plate moves to the right side under the drive of the first conveyor belt 31, one end of the first electric telescopic rod 24 shortens to reset and drives the baffle 26 to reset, the next metal plate slides down to the bottom of the storage slide rail 21 under the action of its own gravity, after the first electric telescopic rod 24 resets for 5-10 seconds, one end of the first electric telescopic rod 24 is extended again, and the above work is repeated.

The metal plate moves to the right side under the driving of the first conveyor belt 31 and reaches the second conveyor belt 33 after being leveled by the leveling roller 32, the metal plate moves to the right under the driving of the second conveyor belt 33 to contact and extrude the thin steel sheet 43, the thin steel sheet 43 moves towards the inside of the shell 42, so that the pushing block 44 is driven to move towards the pressing block 46, the pushing block 44 moves to extrude the spring 45, the spring 45 contracts and transmits partial pressure to the pressing block 46, the pressing block 46 extrudes the pressure sensor 47, when the metal plate continues to move to the right under the driving of the second conveyor belt 33 to separate from the contact and extrude the thin steel sheet 43, the pushing block 44 resets under the tension of the spring 45, so that the thin steel sheet 43 is driven to reset, and the pressure sensor 47 transmits the pressure value and the duration to the central processor.

(the stroke that the push plate 25 pushes the metal plate to extrude the thin steel sheet 43 is fixed, so that the time is fixed). if the numerical value of the pressure is reduced in the process, a small gap is formed between the metal plate and the second conveyor belt 33, so that the thin steel sheet 43 enters the gap under the tension of the spring 45 and is extruded out by the metal plate at the rear half section, and if the duration time of the pressure is not consistent with the expectation, a large gap is formed between the metal plate and the second conveyor belt 33, so that the thin steel sheet 43 enters the gap under the tension of the spring 45, the entering area of the thin steel sheet 43 is large, the metal plate at the rear half section directly slides over the thin steel sheet 43, and the duration time of the pressure applied to the pressure sensor 47 is reduced. The second conveyor belt 33 continues to drive the metal plate to slide to the bent pipe 34, the metal plate slides down and turns over in the bent pipe 34, then falls onto the surface of the third conveyor belt 36, and the other two sides of the metal plate are detected by the detection mechanism 4 under the drive of the third conveyor belt 36.

When sheet metal landing to unloading board 51, the data that central processor uploaded pressure sensor 47 are analyzed, if data are located the qualified interval that the staff set for then second electric telescopic handle 55 is out of work, sheet metal along unloading board 51 landing to qualified product export 56, if data are located outside the qualified interval that the staff set for then second electric telescopic handle 55 work, second electric telescopic handle 55 one end shortens, thereby make rotor plate 53 rotate downwards under self action of gravity, sheet metal along unloading board 51 landing to rotor plate 53, then the landing to substandard product export 57, second electric telescopic handle 55 one end extension resets, thereby the extrusion drives rotor plate 53 and rotates and reset. The defective boards collected by the defective outlet 57 are placed again in the middle of the storage chute 21 by the following worker.

In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sheet metal evener, includes casing (1), feed mechanism (2), conveying mechanism (3), detection mechanism (4) and unloading mechanism (5), its characterized in that: a feeding mechanism (2) is installed on one side of the shell (1), a conveying mechanism (3) is installed in the middle of the shell (1), a detection mechanism (4) is installed on one side of the conveying mechanism (3), and a blanking mechanism (5) is installed on one side of the conveying mechanism (3);

detection mechanism (4) include shell (42), sheet steel (43), ejector pad (44), spring (45), briquetting (46) and pressure sensor (47), shell (42) middle part movable mounting has sheet steel (43), sheet steel (43) one side fixed mounting has ejector pad (44), ejector pad (44) one side fixed mounting has spring (45), spring (45) one end fixed mounting has briquetting (46), the inside one side fixed mounting of shell (42) has pressure sensor (47), ejector pad (44) and the equal movable mounting of briquetting (46) are inside in shell (42).

2. A sheet metal leveler as set forth in claim 1 wherein: feed mechanism (2) are including storage slide (21), feed inlet (22), first support (23), first electric telescopic handle (24), push pedal (25) and baffle (26), casing (1) one side fixed mounting has storage slide (21), casing (1) one side link up and has seted up feed inlet (22), casing (1) one side fixed mounting has first support (23), first support (23) one side fixed mounting has first electric telescopic handle (24), the flexible end fixed mounting of first electric telescopic handle (24) has push pedal (25), push pedal (25) one side fixed mounting has baffle (26), push pedal (25) movable mounting is in storage slide (21) middle part.

3. A sheet metal leveler as set forth in claim 1 wherein: the conveying mechanism (3) comprises a first conveying belt (31), a flattening roller (32), a second conveying belt (33), a bent pipe (34), a second support (35), a third conveying belt (36), a limiting plate (37) and a third support (38), a first conveyor belt (31) is fixedly arranged in the middle of the shell (1), a plurality of flattening rollers (32) are arranged on one side of the first conveyor belt (31), a second conveyor belt (33) is installed on one side of the flattening roller (32), a bent pipe (34) is installed on one side of the second conveyor belt (33), a second bracket (35) is fixedly arranged on one side of the elbow pipe (34), a third conveyor belt (36) is arranged on one side of the bottom of the elbow pipe (34), a limiting plate (37) is installed on one side of the top of the third conveyor belt (36), and a third support (38) is fixedly installed on one side of the limiting plate (37).

4. A sheet metal leveler as set forth in claim 3 wherein: the flattening roller (32), the second conveyor belt (33), the second support (35), the third conveyor belt (36) and the third support (38) are all fixedly mounted in the middle of the shell (1).

5. A sheet metal leveler as set forth in claim 3 wherein: unloading mechanism (5) are including flitch (51), sixth support (52), rotor plate (53), seventh support (54) and second electric telescopic handle (55) down, flitch (51) are installed to third conveyer belt (36) one side, the equal fixed mounting in flitch (51) both sides has a plurality of sixth supports (52) down, the equal fixed mounting in casing (1) middle part of sixth support (52), flitch (51) middle part rotates to articulate has rotor plate (53) down, flitch (51) bottom one side fixed mounting has seventh support (54) down, seventh support (54) one side fixed mounting has second electric telescopic handle (55).

6. A sheet metal leveler as set forth in claim 1 wherein: the blanking mechanism (5) further comprises a qualified product outlet (56) and a defective product outlet (57), the qualified product outlet (56) and the defective product outlet (57) are formed in one side of the shell (1) in a penetrating mode, the qualified product outlet (56) is communicated and matched with the blanking plate (51), and the defective product outlet (57) is communicated and matched with the rotating plate (53).

7. A sheet metal leveler as in claim 5 wherein: the second electric telescopic rod (55) is contacted with the rotating plate (53) but not connected with the rotating plate.

8. A sheet metal leveler as set forth in claim 1 wherein: detection mechanism (4) still include fourth support (41), bottom plate (48) and fifth support (49), shell (42) one side fixed mounting has fourth support (41), equal movable mounting in middle part of second conveyer belt (33) and third conveyer belt (36) has bottom plate (48), bottom plate (48) one side fixed mounting has fifth support (49), equal fixed mounting in casing (1) inside wall of fourth support (41) and fifth support (49).

9. A sheet metal leveler as set forth in claim 3 wherein: the friction force between the transmission belts of the second transmission belt (33) and the third transmission belt (36) and the metal plate is far larger than the resistance force of the thin steel sheet (43) to the metal plate.

10. A sheet metal leveler as set forth in claim 3 wherein: the size of the inner space of the elbow pipe (34) can meet the requirement that the metal plate slides in the elbow pipe, and two detection mechanisms (4) are symmetrically and movably arranged on one side of the tops of the second conveyor belt (33) and the third conveyor belt (36).