CN113295078B

CN113295078B - Be used for metal product processing roughness detection device

Info

Publication number: CN113295078B
Application number: CN202110853560.1A
Authority: CN
Inventors: 朱盘芳
Original assignee: Nantong New Fengwei Machinery Technology Co ltd
Current assignee: Nantong New Fengwei Machinery Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-09-21
Anticipated expiration: 2041-07-28
Also published as: CN113295078A

Abstract

The invention belongs to the technical field of flatness detection of metal products, and particularly relates to a flatness detection device for processing of metal products. According to the invention, the guide frame and the isolation plate are arranged, when the smoothing roller moves by matching the magnet rod and the matching magnet rod, the inner wall of the guide hole of the rotating shaft on the guide frame is ensured to slide, the contact continuity of the contact blade on the smoothing roller and the soft fiber plate is further improved, the smoothing effect of the smoothing adjusting component is improved, and meanwhile, the installation of the isolation plate avoids the magnet rod and the matching magnet rod from adsorbing the metal product body.

Description

Be used for metal product processing roughness detection device

Technical Field

The invention relates to the technical field of flatness detection of metal products, in particular to a flatness detection device for processing of metal products.

Background

The metal product industry comprises the manufacture of structural metal products, the manufacture of metal tools, the manufacture of containers and metal packaging containers, the manufacture of stainless steel and similar daily metal products and the like; with the progress of society and the development of science and technology, the application of metal products in various fields of industry, agriculture and life of people is more and more extensive, and the metal products also create more and more value for society; in the machining process of the metal product, the flatness detection device is required to detect the flatness of the metal product, so that the metal product is improved.

When the existing metal product processing flatness is detected, the metal product is generally paved with fine sand, and the flatness of the metal product is observed through the change of the fine sand, however, the mode can only detect the metal product with a single surface level, after the flatness detection is completed, the uneven place can not be repeatedly etched, the subsequent improvement and maintenance of equipment are not convenient to perform, when the flatness detection is performed on the bent metal product, the repeated etching needs to be performed through some soft fiber boards, and when the repeated etching is performed, the repeated etching needs to be completed through an extrusion mode.

Disclosure of Invention

When the flatness detection is carried out on bent metal products, the bending metal products need to be repeatedly etched through some soft fiber boards, and the bending metal products need to be completed in an extruding mode when the bending metal products are repeatedly etched, and the protruding pricks on the surfaces of the metal products are weak and are easy to damage due to extrusion, so that the flatness detection result is wrong.

The invention provides a flatness detection device for metal product processing, which comprises a workbench and a metal product body, wherein a soft fiberboard is placed on the outer wall of a top plate of the metal product body, clamping assemblies are arranged on the outer walls of the tops of the workbench at two ends of the metal product body, guide rails are fixedly connected at two ends of the outer wall of the top of the workbench, sliding blocks are slidably connected to the inner walls of the two guide rails, fixing rods are fixedly connected to the outer walls of the tops of the two sliding blocks, a leveling adjustment assembly is arranged between the two fixing rods, a push rod motor is fixedly connected to the outer wall of the top of the workbench at one end close to the guide rails, and an electric push rod end of the push rod motor is fixedly connected to the outer wall of the sliding block.

Preferably, smooth the adjusting part including smooth the roller, and smooth the equal fixedly connected with pivot of both sides outer wall of roller, the one side outer wall in opposite directions of two pivots all is connected with the magnet stick through the bearing, the outer wall fixedly connected with annular spout of magnet stick, the inner wall sliding connection of annular spout has the guide block, the bottom outer wall fixedly connected with trapezoidal piece of guide block, two coupling springs of the bottom outer wall fixedly connected with of trapezoidal piece, the same solid fixed ring of the bottom outer wall fixedly connected with of two coupling springs, gu fixed ring's inner wall fixedly connected with cooperation magnet stick, cooperation magnet stick fixed connection is in the outer wall of dead lever.

Preferably, the outer wall of the smoothing roller is fixedly connected with contact pieces at equal intervals, the outer walls of two sides of each contact piece are fixedly connected with side pieces, the outer wall of each side piece is fixedly connected with two fixed blocks, and the outer wall of one side, opposite to the two fixed blocks, of each side piece is connected with a same smoothing rod through a bearing.

Preferably, the centre gripping subassembly includes holding frame and curb plate, and curb plate fixed connection is in the top outer wall of workstation, and the curb plate is towards the outer wall equidistance fixedly connected with pneumatic cylinder of holding frame, and the other end fixed connection of pneumatic cylinder is in the outer wall of holding frame, the outer wall equidistance fixedly connected with friction plate of holding frame, the bottom outer wall equidistance fixedly connected with friction head of every friction plate, and the holding frame is located the outer wall fixedly connected with multilayer holding piece of friction plate top.

Preferably, the bottom outer wall of the clamping frame is fixedly connected with a grounding frame, two ends of the bottom outer wall of the grounding frame are fixedly connected with hanging plates, and the outer walls of two opposite sides of the two hanging plates are connected with sliding rods at equal intervals through bearings.

Preferably, the workstation is located two side levers of the equal fixedly connected with of outer wall at metal product body both ends, and is located the same isolated board of outer wall fixedly connected with of two side levers of one side, and the top outer wall fixedly connected with leading truck of isolated board opens there is the guiding hole on the leading truck, and the guiding hole is passed in the pivot.

Preferably, the equal fixedly connected with supporting seat in bottom outer wall both ends of workstation, and two supporting seats with the equal fixedly connected with extension rod of same one side outer wall, the same mounting panel of outer wall fixedly connected with of two extension rods.

Preferably, the top outer wall fixedly connected with standing groove of mounting panel, and the standing groove is close to the equal fixedly connected with extrusion spring of both sides inner wall at both ends, is located the same spacing arc board of a plurality of extrusion spring's of one side outer wall fixedly connected with.

Preferably, the draw-in groove has all been opened at the top outer wall both ends of standing groove, and the inner wall joint of two draw-in grooves has same spirit level, and the spirit level is located the centre of a plurality of spacing arc boards, and the spirit level contacts with spacing arc board.

Preferably, two the equal fixedly connected with blast plate of top outer wall of leading truck, and the relative one side outer wall of two blast plates has all opened the blast hole, the equal fixedly connected with air-blower of both sides outer wall of workstation, the equal fixedly connected with air duct of blast end of two air-blowers, the other end fixed connection of air duct is in the inner wall of corresponding blast plate, the equal fixedly connected with guide housing of inner wall in every blast hole, the slope of guide housing is placed, the inner wall equidistance fixedly connected with direction leaf of guide housing.

The beneficial effects of the invention are as follows:

1. by arranging the smoothing adjusting component which comprises the magnet rod, the matching magnet rod, the smoothing roller, the rotating shaft and the smoothing rod, when the surface smoothness of the bent metal product is detected, the soft fiber plate is placed on the outer wall of the metal product body, the smoothing adjusting component is placed above the soft fiber plate to be contacted with the soft fiber plate, then the sliding block is driven to slide on the guide rail through the push rod motor, the smoothing roller is driven to move through the mutual suction force between the matching magnet rod and the magnet rod, in the moving process, the suction force between the magnet rod and the matching magnet rod is limited, only the smoothing roller can be driven to enable the soft fiber plate to be attached to the metal product body, the damage of the spurs on the surface of the metal product due to excessive extrusion caused by excessive pressure can not be generated, the accuracy of the detection result is improved, and meanwhile, in the moving process of the smoothing roller, the contact piece that the annular distributes all the time with the surface contact of soft fibreboard, thereby ensure the effect of pacifying, the pole of pacifying that the contact piece outside distributes is the round bar structure, can pacify the operation to soft fibreboard in advance, further improve and pacify the effect, and simultaneously, this kind of roughness detection device is carrying out the metal product body and detecting the completion back, can take off the whole surface of following the metal product body of soft fibreboard, and the protruding and concave point on the perfect compound metal product body of carving makes things convenient for the later stage to carry out the improvement and the maintenance of equipment.

2. Through being provided with the centre gripping subassembly, the centre gripping subassembly includes the holding frame, friction plate and friction head, when carrying out metal product body centre gripping, place metal product on two holding frames, carry out spacing support through the holding frame to the bottom of metal product body, then make the outer wall contact on the co-altitude of friction plate and metal product body, and simultaneously, the friction head of friction plate below contacts with the metal product body, thereby improve the stability of metal product body centre gripping in-process, ensure it in the roughness testing process, the condition of dislocation and rocking can not appear, improve the accuracy nature of testing result, place back on the metal product body with soft fibreboard, the both ends of restricting soft fibreboard through the multilayer holding piece at both ends, ensure its stationarity of pacifying the in-process.

3. Through being provided with mounting panel, standing groove and spirit level, carry out metal product body roughness before detecting, place the spirit level in the standing groove, the inside spacing arc board of standing groove contacts closely with the both ends of spirit level under extrusion spring's effect to carry on spacingly to the both ends of spirit level, spacing completion back, judge whether this workstation is in under a horizontally state according to spirit level testing result, thereby get rid of the influence of external factor to metal product body roughness testing result.

4. Through being provided with leading truck and isolated board, when pacifying the removal of roller through magnet stick and cooperation magnet stick cooperation, ensure that the inner wall of pivot guiding hole on the leading truck slides, further improve the continuation of the last contact leaf and the contact of soft fibreboard of pacifying the roller, improve and pacify adjusting component's the effect of pacifying, simultaneously, the installation of isolated board is avoided magnet stick and cooperation magnet stick and is produced the absorption with the metal product body.

5. Through being provided with air-blower, blast plate and guide housing, carry out soft fibreboard and smooth the operation before, start the air-blower, the air-blower blows air to soft fibreboard through the blast hole on the blast plate, will be derived from the angle that the blast hole bloated out through the guide housing for gaseous from inclination blows to soft fibreboard, plays the effect of smoothing, simultaneously, avoids the plane blast air to cause soft fibre to raise.

Drawings

FIG. 1 is a schematic view of the overall structure of a flatness detecting apparatus for metal product processing according to the present invention;

FIG. 2 is a side view of the overall structure of a flatness detecting apparatus for metal product processing according to the present invention;

FIG. 3 is a schematic structural view of a level gauge for detecting flatness in machining of a metal product according to the present invention;

FIG. 4 is a schematic view of a clamping assembly for a flatness detecting apparatus for metal product processing according to the present invention;

FIG. 5 is a schematic view of a leveling adjustment assembly for a metal product machining flatness detection apparatus according to the present invention;

FIG. 6 is an enlarged view of a portion of the flatness detecting apparatus for metal product processing according to the present invention;

fig. 7 is a schematic diagram of a blower plate structure for a flatness detection apparatus for metal product processing according to embodiment 2 of the present invention;

fig. 8 is a schematic structural diagram of a guide cover for a device for detecting flatness in processing of a metal product according to the present invention.

In the figure: 1 workbench, 2 guide frames, 3 soft fiber boards, 4 side boards, 5 metal product bodies, 6 isolation boards, 7 hydraulic cylinders, 8 push rod motors, 9 mounting boards, 10 placing grooves, 11 side bars, 12 extension bars, 13 supporting seats, 14 guide rails, 15 clamping frames, 16 limit arc boards, 17 extrusion springs, 18 gradienters, 19 friction boards, 20 multi-layer clamping sheets, 21 friction heads, 22 hanging plates, 23 sliding rods, 24 grounding frames, 25 sliding blocks, 26 magnet bars, 27 rotating shafts, 28 annular sliding grooves, 29 matching magnet bars, 30 fixing rods, 31 flattening rollers, 32 flattening rods, 33 side sheets, 34 fixing blocks, 35 contact sheets, 36 guide blocks, 37 trapezoidal blocks, 38 connecting springs of blowers, 39 fixing rings, 40, 41 air guide pipes, 42 air blowing plates, 43 air blowing holes, 44 guide covers and 45 guide vanes.

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.

Example 1

Referring to fig. 1, fig. 2, fig. 5 and fig. 6, a be used for metal product processing roughness detection device, including workstation 1 and metal product body 5, soft fibreboard 3 has been placed to the roof outer wall of metal product body 5, and the top outer wall that workstation 1 is located metal product body 5 both ends is equipped with the centre gripping subassembly, the equal fixedly connected with guided way 14 in top outer wall both ends of workstation 1, and the equal sliding connection of inner wall of two guided ways 14 has slider 25, the equal fixedly connected with dead lever 30 of top outer wall of two slider 25, be equipped with between two dead levers 30 and smooth adjustment assembly, top outer wall fixedly connected with push rod motor 8 that workstation 1 is close to guided way 14 one end, and push rod motor 8's electric putter end fixed connection is in slider 25's outer wall.

According to the invention, the leveling adjusting assembly comprises a leveling roller 31, rotating shafts 27 are fixedly connected to the outer walls of two sides of the leveling roller 31, magnet bars 26 are connected to the outer walls of two opposite sides of the two rotating shafts 27 through bearings, annular chutes 28 are fixedly connected to the outer walls of the magnet bars 26, guide blocks 36 are slidably connected to the inner walls of the annular chutes 28, trapezoidal blocks 37 are fixedly connected to the outer walls of the bottoms of the guide blocks 36, two connecting springs 38 are fixedly connected to the outer walls of the bottoms of the trapezoidal blocks 37, the bottom outer walls of the two connecting springs 38 are fixedly connected with the same fixing ring 39, matching magnet bars 29 are fixedly connected to the inner walls of the fixing ring 39, and the matching magnet bars 29 are fixedly connected to the outer walls of the fixing rods 30.

In the invention, the outer wall of the smoothing roller 31 is fixedly connected with the contact pieces 35 at equal intervals, the outer walls of two sides of each contact piece 35 are fixedly connected with the side pieces 33, the outer wall of each side piece 33 is fixedly connected with the two fixed blocks 34, the outer wall of one side, opposite to the two fixed blocks 34, on the same side piece 33 is connected with the same smoothing rod 32 through a bearing, a smoothing adjusting component is arranged, the smoothing adjusting component comprises a magnet rod 26, a matching magnet rod 29, a smoothing roller 31, a rotating shaft 27 and the smoothing rod 32, the smoothing roller 31 is in contact with the surface of the soft fiber plate 3 all the time in the moving process, so that the smoothing effect is ensured, the smoothing rods 32 distributed on the outer side of the contact pieces 35 are of a round rod structure, the smoothing operation can be performed on the soft fiber plate 3 in advance, the smoothing effect is further improved, and meanwhile, after the detection of the metal product body 5 is completed, can take off soft fiberboard 3 wholly from the surface of metal product body 5, the protruding and concave point down on the perfect compound metal product body 5 of carving makes things convenient for the later stage to carry out improvement and the maintenance of equipment.

Referring to fig. 1 and 4, the clamping assembly includes a clamping frame 15 and a side plate 4, the side plate 4 is fixedly connected to the top outer wall of the workbench 1, hydraulic cylinders 7 are fixedly connected to the outer wall of the side plate 4 facing the clamping frame 15 at equal intervals, the other end of the hydraulic cylinder 7 is fixedly connected to the outer wall of the clamping frame 15, friction plates 19 are fixedly connected to the outer wall of the clamping frame 15 at equal intervals, friction heads 21 are fixedly connected to the bottom outer wall of each friction plate 19 at equal intervals, multiple layers of clamping pieces 20 are fixedly connected to the outer wall of the clamping frame 15 above the friction plates 19, a grounding frame 24 is fixedly connected to the bottom outer wall of the clamping frame 15, hanging plates 22 are fixedly connected to both ends of the bottom outer wall of the grounding frame 24, sliding rods 23 are connected to the outer wall of one side opposite to the two hanging plates 22 at equal intervals through bearings, and by being provided with the clamping assembly, the clamping assembly includes the clamping frame 15, the friction plates 19 and the friction heads 21, when carrying out the centre gripping of metal product body 5, place metal product on two holding frames 15, carry out spacing support through holding frame 15 to the bottom of metal product body 5, then make the outer wall contact on the co-altitude of friction plate 19 and metal product body 5, and simultaneously, friction head 21 below friction plate 19 contacts with metal product body 5, thereby improve the stability in the 5 clamping process of metal product body, ensure that it is in the roughness testing process, the condition of dislocation and rocking can not appear, improve the accuracy nature of testing result, place back on metal product body 5 with soft fibreboard 3, inject the both ends of soft fibreboard 3 through the multilayer clamping piece 20 at both ends, ensure its stationarity of pacifying the in-process.

Referring to fig. 1 and 3, the outer walls of the workbench 1 at both ends of the metal product body 5 are fixedly connected with two side levers 11, the outer walls of the two side levers 11 at one side are fixedly connected with the same isolation plate 6, the top outer wall of the isolation plate 6 is fixedly connected with the guide frame 2, the guide frame 2 is provided with a guide hole through which the rotating shaft 27 passes, both ends of the bottom outer wall of the workbench 1 are fixedly connected with the supporting seats 13, the outer walls of the same side of the two supporting seats 13 are fixedly connected with the extension rods 12, the outer walls of the two extension rods 12 are fixedly connected with the same mounting plate 9, the top outer wall of the mounting plate 9 is fixedly connected with the placing groove 10, the inner walls of the placing groove 10 at both sides near both ends are fixedly connected with the extrusion springs 17, the outer walls of the plurality of extrusion springs 17 at one side are fixedly connected with the same limiting arc plate 16, and both ends of the top outer wall of the placing groove 10 are provided with clamping grooves, and the same spirit level 18 is clamped on the inner walls of the two clamping grooves, the spirit level 18 is positioned in the middle of the plurality of limiting arc plates 16, and the spirit level 18 is contacted with the limiting arc plates 16.

When the device is used, the level gauge 18 is placed on the placing groove 10 to ensure that the workbench 1 is in a horizontal state, then the metal product body 5 is placed on the two clamping frames 15, the bottom end of the metal product body 5 is limited and supported by the clamping frames 15, then the friction plate 19 is contacted with the outer walls of the metal product body 5 at different heights, meanwhile, the friction head 21 below the friction plate 19 is contacted with the metal product body 5, so that the stability of the metal product body 5 in the clamping process is improved, the situation of dislocation and shaking is ensured not to occur in the flatness detection process, then the soft fiber plate 3 is placed above the metal product body 5, the multi-layer clamping sheets 20 at the two ends limit the two ends of the soft fiber plate 3, in the flatness detection process, the push rod motor 8 drives the sliding block 25 to slide on the guide rail 14, the leveling roller 31 is driven to move by the mutual suction force between the matching rod 29 and the magnet rod 26, in the process of removal, suction between magnet stick 26 and the cooperation magnet stick 29 is limited, can only drive and smooth roller 31, make soft fibreboard 3 laminate with metal product body 5, can not produce too big pressure and cause the spurs on metal product surface to damage because of the extrusion is excessive, improve the accuracy of testing result, and simultaneously, smooth roller 31 is at the in-process that removes, the contact piece 35 that the annular distributes all the time with soft fibreboard 3's surface contact, thereby ensure the effect of smoothing, the pole 32 that smooths that the contact piece 35 outside distributes is the round bar structure, can smooth the operation to soft fibreboard 3 in advance, after smoothing, will smooth the adjusting part and take off, then take off soft fibreboard 3 after will smoothing, keep it, repetitive operation.

Example 2

Referring to fig. 1, 7 and 8, a flatness detecting apparatus for metal product processing comprises a worktable 1, wherein two side levers 11 are fixedly connected to outer walls of the worktable 1 at two ends of a metal product body 5, the same isolation plate 6 is fixedly connected to outer walls of the two side levers 11 at one side, a guide frame 2 is fixedly connected to an outer wall at the top of the isolation plate 6, a guide hole is formed in the guide frame 2, a rotating shaft 27 penetrates through the guide hole, supporting bases 13 are fixedly connected to two ends of an outer wall at the bottom of the worktable 1, extension rods 12 are fixedly connected to outer walls of the same side of the two supporting bases 13, the same mounting plate 9 is fixedly connected to outer walls of the two extension rods 12, a placing groove 10 is fixedly connected to an outer wall at the top of the mounting plate 9, extrusion springs 17 are fixedly connected to inner walls at two sides of the placing groove 10 near the two ends, and the same limiting arc plate 16 is fixedly connected to outer walls of the extrusion springs 17 at one side, the draw-in groove has all been opened at the top outer wall both ends of standing groove 10, and the inner wall joint of two draw-in grooves has same spirit level 18, and spirit level 18 is located a plurality of spacing arc boards 16's centre, and spirit level 18 contacts with spacing arc board 16.

Compare in embodiment 1, the equal fixedly connected with blast plate 42 of the top outer wall of two leading truck 2, and blast hole 43 has all been opened to the relative one side outer wall of two blast plates 42, the equal fixedly connected with air-blower 40 of both sides outer wall of workstation 1, the equal fixedly connected with air duct 41 of blast end of two air-blower 40, the other end fixed connection of air duct 41 is in the inner wall of corresponding blast plate 42, the equal fixedly connected with guide housing 44 of inner wall of every blast hole 43, the slope of guide housing 44 is placed, fixedly connected with guide vane 45 of inner wall equidistance of guide housing 44.

During the use, compare in embodiment 1, when carrying out the metal product body 5 roughness and detecting, with its fixed back, start air-blower 40, air-blower 40 blows air to soft fibreboard 3 through blast hole 43 on blast plate 42, exports the angle that will follow the wind-force that blast hole 43 bloated through guide cover 44 and be the downward sloping for gas blows to soft fibreboard 3 from inclination, plays the effect of smoothing in advance.

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. A flatness detection device for metal product processing comprises a workbench (1) and a metal product body (5), it is characterized in that a soft fiber board (3) is arranged on the outer wall of the top board of the metal product body (5), and the outer walls of the tops of the workbench (1) positioned at the two ends of the metal product body (5) are provided with clamping components, two ends of the outer wall of the top of the workbench (1) are fixedly connected with guide rails (14), and the inner walls of the two guide rails (14) are both connected with sliding blocks (25) in a sliding way, the outer walls of the tops of the two sliding blocks (25) are both fixedly connected with fixed rods (30), a smoothing and adjusting component is arranged between the two fixed rods (30), a push rod motor (8) is fixedly connected with the outer wall of the top of one end of the workbench (1) close to the guide rail (14), and the electric push rod end of the push rod motor (8) is fixedly connected with the outer wall of the slide block (25);

the leveling adjusting assembly comprises a leveling roller (31), two outer wall sides of the leveling roller (31) are fixedly connected with rotating shafts (27), two opposite outer walls of the two rotating shafts (27) are connected with magnet bars (26) through bearings, outer wall fixedly connected with annular sliding grooves (28) of the magnet bars (26), inner wall sliding connections of the annular sliding grooves (28) are provided with guide blocks (36), bottom outer wall fixedly connected with trapezoidal blocks (37) of the guide blocks (36), two connecting springs (38) of the bottom outer wall fixedly connected with of the trapezoidal blocks (37), the bottom outer wall fixedly connected with of the two connecting springs (38) is provided with the same fixing ring (39), inner wall fixedly connected with matching bars (29) of the fixing ring (39), and the matching magnet bars (29) are fixedly connected with the outer walls of the fixing rods (30).

2. The flatness detection device for metal product processing according to claim 1, characterized in that the outer wall of the flattening roller (31) is fixedly connected with contact pieces (35) at equal intervals, the outer walls of two sides of each contact piece (35) are fixedly connected with side pieces (33), the outer wall of each side piece (33) is fixedly connected with two fixed blocks (34), and the outer wall of one opposite side of two fixed blocks (34) on the same side piece (33) is connected with the same flattening rod (32) through a bearing.

3. The flatness detection device for metal product machining according to claim 1, characterized in that the clamping assembly comprises a clamping frame (15) and side plates (4), the side plates (4) are fixedly connected to the outer wall of the top of the workbench (1), hydraulic cylinders (7) are fixedly connected to the outer walls of the side plates (4) facing the clamping frame (15) at equal intervals, the other ends of the hydraulic cylinders (7) are fixedly connected to the outer walls of the clamping frame (15), friction plates (19) are fixedly connected to the outer walls of the clamping frame (15) at equal intervals, friction heads (21) are fixedly connected to the outer walls of the bottom of each friction plate (19) at equal intervals, and multiple layers of clamping sheets (20) are fixedly connected to the outer walls of the clamping frame (15) above the friction plates (19).

4. The flatness detecting device for metal product processing according to claim 3, wherein a grounding frame (24) is fixedly connected to the outer bottom wall of the clamping frame (15), hanging plates (22) are fixedly connected to both ends of the outer bottom wall of the grounding frame (24), and sliding rods (23) are connected to the outer walls of the two hanging plates (22) on the opposite sides at equal intervals through bearings.

5. The flatness detection device for metal product machining according to claim 1, characterized in that two side rods (11) are fixedly connected to the outer walls of the workbench (1) at two ends of the metal product body (5), the same isolation plate (6) is fixedly connected to the outer walls of the two side rods (11) at one side, a guide frame (2) is fixedly connected to the outer wall of the top of the isolation plate (6), a guide hole is formed in the guide frame (2), and the rotating shaft (27) penetrates through the guide hole.

6. The flatness detecting device for metal product processing according to claim 1, wherein the two ends of the outer wall of the bottom of the workbench (1) are fixedly connected with the supporting seats (13), the outer wall of the same side of the two supporting seats (13) is fixedly connected with the extension rod (12), and the outer walls of the two extension rods (12) are fixedly connected with the same mounting plate (9).

7. The flatness detection device for metal product processing according to claim 6, characterized in that a placement groove (10) is fixedly connected to the top outer wall of the mounting plate (9), extrusion springs (17) are fixedly connected to the inner walls of both sides of the placement groove (10) close to both ends, and the same limiting arc plate (16) is fixedly connected to the outer walls of the extrusion springs (17) on one side.

8. The flatness detecting device for metal product machining according to claim 7, characterized in that the two ends of the top outer wall of the placing groove (10) are provided with clamping grooves, the inner walls of the two clamping grooves are clamped with the same level gauge (18), the level gauge (18) is located in the middle of the limiting arc plates (16), and the level gauge (18) is in contact with the limiting arc plates (16).

9. The metal product machining flatness detection device according to claim 5, wherein the top outer walls of the two guide frames (2) are fixedly connected with the air blowing plates (42), the opposite side outer walls of the two air blowing plates (42) are provided with air blowing holes (43), the two side outer walls of the workbench (1) are fixedly connected with air blowers (40), air blowing ends of the two air blowers (40) are fixedly connected with air guide pipes (41), the other ends of the air guide pipes (41) are fixedly connected with the inner walls of the corresponding air blowing plates (42), the inner wall of each air blowing hole (43) is fixedly connected with a guide cover (44), the guide covers (44) are obliquely arranged, and guide vanes (45) are fixedly connected with the inner walls of the guide covers (44) at equal intervals.