CN111301044A

CN111301044A - A quick stamp device for mechanical equipment processing

Info

Publication number: CN111301044A
Application number: CN202010275051.0A
Authority: CN
Inventors: 洪露; 刘文华; 罗庆云; 任长安; 张三华; 范俊岩; 岳迪
Original assignee: Hunan Institute of Technology
Current assignee: Hunan Institute of Technology
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-06-19
Anticipated expiration: 2040-04-09
Also published as: CN111301044B

Abstract

The invention relates to the technical field of machining of mechanical equipment, in particular to a quick engraving device for machining of the mechanical equipment. The invention has novel design and simple principle, can shorten the pressing stroke of the pressing plate through the lifting of the bearing plate, effectively improves the working efficiency, can ensure that the bearing capacity of the bearing plate is stronger by inserting the first supporting plate and the second supporting plate into the clamping groove, solves the problem that the traditional lead screw is easy to cause thread damage through the lifting, saves the maintenance cost, can play a better buffering effect through the buffering structure with a special structure, and avoids the problem of double damage caused by the rigid contact of the imprinting template and a workpiece.

Description

A quick stamp device for mechanical equipment processing

Technical Field

The invention relates to the technical field of machining equipment, in particular to a quick engraving device for machining equipment.

Background

The mechanical processing is used for producing mechanical parts, specifications are required to be engraved on the surface of a workpiece in the production process, the engraving specifications are generally carried out by adopting a special engraving device, the specific steps are that the workpiece is placed on an engraving workbench, and an engraving template is driven by a hydraulic cylinder to press the workpiece, so that information on the engraving template is engraved on the surface of the workpiece.

Through retrieval, the chinese patent discloses a height-adjustable engraving mechanism for machining of mechanical equipment (No. CN206796976U), which adjusts the height of a workbench through a lead screw to facilitate people to engrave mechanical equipment of different models, but the patent adjusts through the lead screw to easily damage the thread of the lead screw during pressing, thereby seriously affecting the overall service life of the equipment. Accordingly, one skilled in the art provides a fast imprinting apparatus for machining devices to solve the problems set forth in the background art.

Disclosure of Invention

The present invention is directed to a fast imprinting apparatus for machining devices, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a quick engraving device for machining mechanical equipment comprises a base, a top plate is arranged above the base, the base is connected with the top plate through four guide pillars which are distributed in a rectangular mode, a pressing plate and a bearing plate are sequentially arranged between the base and the top plate from top to bottom, the pressing plate and the bearing plate are connected with the guide pillars in a sliding mode, a hydraulic cylinder is fixedly installed on the upper surface of the top plate at the central position, a control switch is installed on the front side of the top plate, buffer structures are arranged on the positions of two ends between the top plate and the pressing plate, the telescopic end of the hydraulic cylinder penetrates through the top plate and is fixed with the pressing plate, a mounting plate is fixed on the lower surface of the pressing plate at the central position, an engraving template is arranged below the mounting plate, the mounting plate is connected with the engraving template through a clamping structure, and cavities are formed in four corners of the lower surface, and the outside of mounting panel corresponds the middle section position department of cavity and has seted up the through-hole, the upper surface of bearing plate is fixed with the work piece and places the board to the position department that corresponds the imprinting template, and the upper surface of bearing plate is provided with places the air exhaust structure that the board links to each other with the work piece, link to each other through high adjustment mechanism between bearing plate and the base.

As a still further scheme of the invention: height adjusting mechanism rotates first backup pad and second backup pad that links to each other including seting up the notch on the base upper surface and with the bearing plate lower surface, the upper surface of notch is located central point and puts the department and be fixed with the cylinder that links to each other with the bearing plate, and the upper surface of notch is located the both sides position department of cylinder and all is provided with the latch, the inboard of first backup pad is fixed with the second connecting piece, the inboard position department that corresponds the second connecting piece of second backup pad is fixed with first connecting piece, the bar logical groove has all been seted up with the surface of first connecting piece to the second connecting piece, the inside that the groove was led to the bar is provided with fastening bolt.

As a still further scheme of the invention: the latch comprises the steel sheet that a plurality of cross-sections are the triangle-shaped structure, forms the draw-in groove between steel sheet and the steel sheet, the bottom of first backup pad and second backup pad is gone into respectively in the draw-in groove, and first backup pad is "eight" font structure with the second backup pad.

As a still further scheme of the invention: the block structure is including the support column of fixed and engraving template upper surface, one side of support column is provided with the movable block, and links to each other through rotating the piece activity between support column and the movable block, be connected with reset spring between the inboard of movable block and the support column, the position department that the one end of support column corresponds the through-hole is fixed with the dop.

As a still further scheme of the invention: the clamping structures are four in number, and the four clamping structures correspond to the four cavities one by one.

As a still further scheme of the invention: the upper surface of the imprinting template is provided with four limiting bulges which are distributed in a rectangular shape, and the lower surface of the mounting plate is provided with a limiting clamping groove matched with the lower surface of the mounting plate at the position corresponding to the limiting bulges.

As a still further scheme of the invention: buffer structure includes third disk body and first disk body, first disk body is fixed in the upper surface of clamp plate through the supporting seat, and rotates between first disk body and the supporting seat to be connected, the rear side position of first disk body is fixed with the body of rod in the edge, the front side of third disk body is provided with the second disk body, and fixes through the connecting rod between third disk body and the second disk body, the both sides of third disk body and second disk body all are fixed with the fixing base of fixing mutually with roof lower surface, and the arc that the size is unanimous all seted up on the surface of third disk body and second disk body leads to the groove, the inboard that the arc led to the groove all is provided with buffer spring, the other end of the body of rod runs through the arc that second disk body and third disk body surface lead to the groove in proper order.

As a still further scheme of the invention: the rod body is a component made of a titanium alloy material, one end of the buffer spring is fixed with the end part of the arc-shaped through groove, the other end of the buffer spring is fixed with the rod body, and the upper surface of the first disk body is not higher than the central line of the second disk body.

As a still further scheme of the invention: the air extracting structure comprises an air extracting pump, an air inlet end of the air extracting pump is connected with an air pipe, and the other end of the air pipe is connected with the workpiece placing plate.

As a still further scheme of the invention: the workpiece placing plate is of a hollow structure, six holes communicated with the inner space are formed in the upper surface of the workpiece placing plate, and the other end of the air pipe is communicated with the hollow structure inside the workpiece placing plate.

Compared with the prior art, the invention has the beneficial effects that: the invention has novel design and simple principle, the bearing plate is lifted by the cylinder, the distance between the bearing plate and the pressing plate is reduced, the pressing stroke of the pressing plate is shortened, the working efficiency is effectively improved, the first supporting plate and the second supporting plate are inserted into the clamping groove, the bearing capacity of the bearing plate is stronger, the problem that the traditional screw rod is easy to damage threads is solved, the maintenance cost is saved, a better buffer effect can be achieved by a buffer structure with a special structure, the problem of double damage caused by rigid contact of an engraving template and a workpiece is avoided, the service life of the equipment is effectively prolonged, the workpiece placing plate can be vacuumized by an air exhaust structure, the workpiece label is adsorbed and fixed through holes on the surface, the problem of engraving deviation caused by movement is avoided, the engraving plate can be quickly replaced by a clamping structure, the replacement time is saved, and the replacement difficulty is reduced, the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a fast imprinting apparatus for machining;

FIG. 2 is an enlarged schematic view of a fast imprint apparatus for machining at A in FIG. 1;

FIG. 3 is an enlarged schematic view of a fast imprint apparatus for machining apparatus at point B in FIG. 1;

FIG. 4 is a schematic diagram of a buffer structure in a rapid imprinting apparatus for mechanical device processing;

fig. 5 is a schematic structural diagram of a snap-fit structure in a rapid imprinting apparatus for machining.

In the figure: 1. a base; 2. clamping teeth; 3. a first support plate; 4. a pressure bearing plate; 5. a workpiece placing plate; 6. a first tray body; 7. pressing a plate; 8. a top plate; 9. a hydraulic cylinder; 10. a control switch; 11. an air tube; 12. an air pump; 13. a guide post; 14. a second support plate; 15. fastening a bolt; 16. a first connecting member; 17. a strip-shaped through groove; 18. a cylinder; 19. a second connecting member; 20. a notch; 21. mounting a plate; 22. a through hole; 23. clamping a head; 24. imprinting the template; 25. a second tray body; 26. a supporting seat; 27. a rod body; 28. an arc-shaped through groove; 29. a connecting rod; 30. a third tray body; 31. a buffer spring; 32. a fixed seat; 33. a rotating member; 34. a return spring; 35. a cavity; 36. a movable block; 37. a limiting bulge; 38. and (4) a support column.

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. 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.

Referring to fig. 1 to 5, in the embodiment of the present invention, a fast engraving device for machining a mechanical device includes a base 1, a top plate 8 is disposed above the base 1, the base 1 is connected to the top plate 8 through four guide posts 13 distributed in a rectangular shape, a pressing plate 7 and a bearing plate 4 are sequentially disposed between the base 1 and the top plate 8 from top to bottom, the pressing plate 7 and the bearing plate 4 are both slidably connected to the guide posts 13, a hydraulic cylinder 9 is fixedly mounted on the upper surface of the top plate 8 at the central position, a control switch 10 is mounted on the front side of the top plate 8, a buffer structure is disposed between the top plate 8 and the pressing plate 7 at the two ends, the buffer structure includes a third plate 30 and a first plate 6, the first plate 6 is fixed on the upper surface of the pressing plate 7 through a support seat 26, the first plate 6 is rotatably connected to the support seat 26, a rod 27 is fixed on the edge of the rear side of the first plate, the front side of the third tray 30 is provided with a second tray 25, the third tray 30 and the second tray 25 are fixed through a connecting rod 29, both sides of the third tray 30 and the second tray 25 are fixed with fixing seats 32 fixed with the lower surface of the top plate 8, the surfaces of the third tray 30 and the second tray 25 are provided with arc through grooves 28 with the same size, the inner sides of the arc through grooves 28 are provided with buffer springs 31, the other ends of the rod bodies 27 sequentially penetrate through the arc through grooves 28 on the surfaces of the second tray 25 and the third tray 30, the rod bodies 27 are titanium alloy members, one ends of the buffer springs 31 are fixed with the end parts of the arc through grooves 28, the other ends of the buffer springs 31 are fixed with the rod bodies 27, the upper surface of the first tray 6 is not higher than the central line of the second tray 25, when the pressing plate 7 is pressed to a certain degree, the die plate 24 is contacted with a workpiece, at this moment, the rod body 27 applies pressure to the buffer spring 31 in the arc-shaped through groove 28, the self tension of the buffer spring 31 gradually weakens the impact force, and meanwhile, the first tray body 6 can rotate to a certain degree due to the arc-shaped movement of the rod body 27, so that the buffer is completed, the imprinting-free template is prevented from being in rigid contact with a workpiece to cause double damage, and the service life of the equipment is effectively prolonged.

The telescopic end of the hydraulic cylinder 9 penetrates through the top plate 8 to be fixed with the pressing plate 7, the lower surface of the pressing plate 7 is positioned at the central position and is fixedly provided with a mounting plate 21, an engraving template 24 is arranged below the mounting plate 21, the mounting plate 21 is connected with the engraving template 24 through a clamping structure, the lower surface of the mounting plate 21 is positioned at four corners and is provided with cavities 35, the outer side of the mounting plate 21 is provided with a through hole 22 corresponding to the middle section of the cavity 35, the clamping structure comprises a supporting column 38 fixed on the upper surface of the engraving template 24, one side of the supporting column 38 is provided with a movable block 36, the supporting column 38 is movably connected with the movable block 36 through a rotating part 33, a reset spring 34 is connected between the inner side of the movable block 36 and the supporting column 38, one end of the supporting column 38 is fixedly provided with a chuck 23 corresponding to the position of the through hole 22, when the chuck 23 is forced to drive the movable block 36 to rotate towards one side of the return spring 34 along the fulcrum direction of the rotating part 33, the movable block 36 can apply force to the return spring 34 to compress the return spring while rotating, so that the chuck 23 retracts into the cavity 35 to be unlocked with the through hole 22, at the moment, the engraving plate 24 can automatically separate to finish disassembly, when the movable block 36 is installed, the movable block 36 is pinched by hands to be vertical, the supporting column 38 and the movable block 36 are simultaneously inserted into the cavity 35, the finger pinching the movable block 36 is released from the insertion hole to be inserted inwards, the chuck 23 always slides along the inner side of the cavity 35 under the tension of the return spring 34 when the chuck 23 is inserted, when the chuck 23 moves to the position of the through hole 22, the chuck 23 enables the limiting force to be removed, and is clamped into the through hole 22 under the tension of the return spring 34 to form clamping.

The clamping structures are four in number, and the four clamping structures correspond to the four cavities 35 one to one, so that the stabilizing effect can be improved.

The upper surface of imprinting template 24 is provided with four spacing archs 37 that are the rectangle and distribute, and the lower surface of mounting panel 21 corresponds the spacing position department of protruding 37 and offers the spacing draw-in groove rather than the looks adaptation, can play the effect of spacing protection, causes the impact to the block structure when avoiding pushing down.

A workpiece placing plate 5 is fixed on the position, corresponding to the imprinting template 24, of the upper surface of the bearing plate 4, an air extracting structure connected with the workpiece placing plate 5 is arranged on the upper surface of the bearing plate 4, the air extracting structure comprises an air extracting pump 12, the air inlet end of the air extracting pump 12 is connected with an air pipe 11, the other end of the air pipe 11 is connected with the workpiece placing plate 5, the workpiece placing plate 5 is of a hollow structure, six holes communicated with the inner space are arranged on the upper surface of the workpiece placing plate 5, the other end of the air pipe 11 is communicated with the hollow structure in the workpiece placing plate 5, when aiming at some thin labels, the labels are placed on the surface of the workpiece placing plate 5, and the operation of the air pump 12 is controlled, after the operation of the air pump 12, the interior of the workpiece placing plate 5 is vacuumized through the air pipe 11, the workpiece label is adsorbed and fixed through the holes on the surface, so that the problem of imprinting deviation caused by movement is avoided.

The bearing plate 4 is connected with the base 1 through a height adjusting mechanism, the height adjusting mechanism comprises a notch 20 arranged on the upper surface of the base 1 and a first supporting plate 3 and a second supporting plate 14 which are rotationally connected with the lower surface of the bearing plate 4, an air cylinder 18 connected with the bearing plate 4 is fixed at the position of the central position of the upper surface of the notch 20, bayonet teeth 2 are arranged at the positions of the two sides of the air cylinder 18 on the upper surface of the notch 20, a second connecting piece 19 is fixed at the inner side of the first supporting plate 3, a first connecting piece 16 is fixed at the position of the inner side of the second supporting plate 14 corresponding to the second connecting piece 19, strip-shaped through grooves 17 are respectively arranged on the surfaces of the second connecting piece 19 and the first connecting piece 16, fastening bolts 15 are arranged inside the strip-shaped through grooves 17, the bayonet teeth 2 are composed of a plurality of steel plates with triangular cross sections, clamping grooves are formed between the steel plates, the bottom ends of the first supporting plate 3 and the second, and the first supporting plate 3 and the second supporting plate 14 are in a splayed structure, when the thickness of the workpiece is lower, the cylinder 18 can be controlled to operate to drive the bearing plate 4 to slide along the direction of the guide post 13, so that the distance between the bearing plate 4 and the pressing plate 7 is reduced, the pressing stroke of the pressing plate 7 is shortened, the working efficiency is effectively improved, meanwhile, after the bearing plate 4 is lifted, the two support plates are pulled towards two sides simultaneously, the higher the bearing plate 4 is lifted, the smaller the included angle between the two support plates is, the bottoms of the two support plates are clamped into the clamping grooves between the steel plates, so that the effect of stable support can be effectively achieved, the cylinder 18 can be controlled to descend a bit when the screw thread is not completely clamped, so that the bottoms of the two supporting plates are completely clamped into the clamping grooves to form support, the problem that the conventional screw rod is lifted and easily damaged during pressing is solved, and the maintenance cost is saved.

The working principle of the invention is as follows: firstly, a workpiece is placed on a workpiece placing plate 5, when the thickness of the workpiece is low, the operation of the air cylinder 18 can be controlled to drive the bearing plate 4 to slide along the direction of the guide post 13, so that the distance between the bearing plate 4 and the pressing plate 7 is reduced, the pressing stroke of the pressing plate 7 is shortened, the working efficiency is effectively improved, meanwhile, after the bearing plate 4 is lifted, the two supporting plates are simultaneously pulled towards two sides, the higher the lifting of the bearing plate 4 is, the smaller the included angle between the two supporting plates is, the bottoms of the two supporting plates are clamped into the clamping grooves between the steel plates, the effect of stabilizing the support can be effectively played, the air cylinder 18 can be controlled to descend a little when the two supporting plates are not completely clamped, the bottoms of the two supporting plates are completely clamped into the clamping grooves to form the support, the problem that the traditional lead screw rod is lifted and the thread is easily damaged when the workpiece is pressed, the workpiece placing plate is placed on the surface of the workpiece placing plate 5, the operation of the air suction pump 12 is controlled, after the operation of the air suction pump 12, the interior of the workpiece placing plate 5 is vacuumized through the air pipe 11, and the workpiece labels are adsorbed and fixed through holes in the surface, so that the problem of imprinting deviation caused by movement is solved;

secondly, when the stamping is carried out during pressing down, the stamping template 24 can be contacted with a workpiece when the pressing plate 7 is pressed to a certain degree, at the moment, the rod body 27 can apply pressure to the buffer spring 31 in the arc-shaped through groove 28, the impact strength can be gradually weakened under the self tension of the buffer spring 31, and meanwhile, the first tray body 6 can generate rotation to a certain degree due to the arc-shaped movement of the rod body 27, so that the buffering is finished, the problem of double loss caused by rigid contact of the stamping template and the workpiece is avoided, and the service life of the equipment is effectively prolonged;

finally, when the engraving template 24 is replaced, the chuck 23 is firstly propped against the chuck 23 by hand and exerts force inwards, the chuck 23 is stressed to drive the movable block 36 to rotate towards one side of the return spring 34 along the fulcrum direction of the rotating piece 33, the movable block 36 applies force to the return spring 34 to compress the return spring while rotating, so that the chuck 23 retracts into the cavity 35 to be unlocked with the through hole 22, the engraving template 24 automatically separates to finish disassembly, when the engraving template is assembled, the movable block 36 is pinched by hand to be vertical, the supporting column 38 and the movable block 36 are simultaneously inserted into the cavity 35, the finger pinching the movable block 36 is released from the insertion hole to be inserted inwards, the chuck 23 slides along the inner side of the cavity 35 all the time under the tension of the return spring 34 during insertion, when the chuck 23 moves to the position of the through hole 22, the chuck 23 makes the force for limitation removed and is clamped into the through hole 22 under the tension of the return spring 34 to form clamping, thereby completing the replacement.

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

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

Claims

1. A quick engraving device for machining mechanical equipment comprises a base (1) and is characterized in that a top plate (8) is arranged above the base (1), the base (1) is connected with the top plate (8) through four guide posts (13) which are distributed in a rectangular mode, a pressing plate (7) and a bearing plate (4) are sequentially arranged between the base (1) and the top plate (8) from top to bottom, the pressing plate (7) and the bearing plate (4) are connected with the guide posts (13) in a sliding mode, a hydraulic cylinder (9) is fixedly installed on the upper surface of the top plate (8) at the central position, a control switch (10) is installed on the front side of the top plate (8), buffer structures are arranged on the positions of two ends between the top plate (8) and the pressing plate (7), and the telescopic end of the hydraulic cylinder (9) penetrates through the top plate (8) to be fixed with the pressing plate (7), the lower surface of clamp plate (7) is located central point and puts the department and be fixed with mounting panel (21), the below of mounting panel (21) is provided with impress template (24), and links to each other through the block structure between mounting panel (21) and impress template (24), the lower surface of mounting panel (21) is located four edges and has all seted up cavity (35), and the middle section position department that the outside of mounting panel (21) corresponds cavity (35) has seted up through-hole (22), the upper surface of bearing plate (4) is fixed with work piece and places board (5) to the position department that corresponds impress template (24), and the upper surface of bearing plate (4) is provided with places the structure of bleeding that board (5) link to each other with the work piece, link to each other through high adjustment mechanism between bearing plate (4) and base (1).

2. The fast engraving device for machining equipment according to claim 1, wherein the height adjusting mechanism comprises a notch (20) formed in the upper surface of the base (1) and a first support plate (3) and a second support plate (14) rotatably connected with the lower surface of the bearing plate (4), a cylinder (18) connected with the bearing plate (4) is fixed on the upper surface of the notch (20) at the central position, clamping teeth (2) are arranged on the upper surface of the notch (20) at the positions of two sides of the cylinder (18), a second connecting member (19) is fixed on the inner side of the first support plate (3), a first connecting member (16) is fixed on the inner side of the second support plate (14) at the position corresponding to the second connecting member (19), strip-shaped through grooves (17) are formed in the surfaces of the second connecting member (19) and the first connecting member (16), and a fastening bolt (15) is arranged in the strip-shaped through groove (17).

3. The fast engraving device for machining equipment according to claim 2, wherein the latch (2) is composed of a plurality of steel plates with triangular cross sections, a clamping groove is formed between each steel plate, the bottom ends of the first support plate (3) and the second support plate (14) are respectively clamped into the clamping groove, and the first support plate (3) and the second support plate (14) are in a structure like a Chinese character 'ba'.

4. The fast engraving device for machining equipment according to claim 1, wherein the clamping structure comprises a supporting column (38) for fixing and engraving the upper surface of the template (24), a movable block (36) is arranged on one side of the supporting column (38), the supporting column (38) is movably connected with the movable block (36) through a rotating member (33), a return spring (34) is connected between the inner side of the movable block (36) and the supporting column (38), and a chuck (23) is fixed at one end of the supporting column (38) corresponding to the position of the through hole (22).

5. The fast imprinting device for machining of claims 1, wherein there are four engaging structures, and the four engaging structures correspond to the four cavities (35) one to one.

6. The rapid imprinting device for machining equipment according to claim 1, wherein four rectangular limiting protrusions (37) are disposed on the upper surface of the imprinting template (24), and a limiting clamping groove matched with the lower surface of the mounting plate (21) is formed at a position corresponding to the limiting protrusions (37) on the lower surface of the mounting plate.

7. The fast engraving device for machining equipment according to claim 1, wherein the buffering structure comprises a third tray body (30) and a first tray body (6), the first tray body (6) is fixed on the upper surface of the pressing plate (7) through a supporting seat (26), the first tray body (6) is rotatably connected with the supporting seat (26), a rod body (27) is fixed at the edge of the rear side of the first tray body (6), a second tray body (25) is arranged at the front side of the third tray body (30), the third tray body (30) is fixed with the second tray body (25) through a connecting rod (29), fixing seats (32) fixed with the lower surface of the top plate (8) are fixed on both sides of the third tray body (30) and the second tray body (25), and arc-shaped through grooves (28) with the same size are formed in the surfaces of the third tray body (30) and the second tray body (25), the inner sides of the arc-shaped through grooves (28) are provided with buffer springs (31), and the other ends of the rod bodies (27) sequentially penetrate through the arc-shaped through grooves (28) on the surfaces of the second tray body (25) and the third tray body (30).

8. The fast engraving device for machining equipment according to claim 7, wherein the rod (27) is a member made of titanium alloy, one end of the buffer spring (31) is fixed to the end of the arc-shaped through groove (28), the other end of the buffer spring (31) is fixed to the rod (27), and the upper surface of the first disc (6) is not higher than the center line of the second disc (25).

9. The fast marking device for machining equipment according to claim 1, characterized in that the air suction structure comprises an air suction pump (12), an air pipe (11) is connected to an air inlet end of the air suction pump (12), and the other end of the air pipe (11) is connected to the workpiece placing plate (5).

10. The rapid engraving device for machining equipment according to claim 9, wherein the workpiece placing plate (5) is a hollow structure, six holes communicated with the inner space are formed in the upper surface of the workpiece placing plate (5), and the other end of the air pipe (11) is communicated with the hollow structure inside the workpiece placing plate (5).