CN113523580A - Automobile-used data plate lid laser marking equipment of repacking - Google Patents

Abstract

The invention relates to marking equipment, in particular to laser marking equipment for a modified vehicle nameplate cover. The invention provides a laser marking device for a modified vehicle nameplate cover, which has the advantages of high marking speed, attractive appearance and high durability. A retrofit vehicular nameplate cover laser marking apparatus comprising: the device comprises a base and first support frames, wherein the first support frames are arranged on two sides of the base; the base is rotatably provided with a screw rod; the first support plate is arranged between the upper parts of the first support frames on two sides in a sliding mode, and the screw rod is in threaded connection with the first support plate. According to the invention, the ring sleeve swings upwards to be in contact with the first ball rod, so that the first ball rod moves upwards, the second spring is stretched, the first ball rod is in contact with the switch ball valve, the switch ball valve moves backwards, the third spring is compressed, the switch ball valve moves backwards, the laser machine emits laser, and the effect of triggering the pressing device is realized.

Description

Automobile-used data plate lid laser marking equipment of repacking

Technical Field

The invention relates to marking equipment, in particular to laser marking equipment for a modified vehicle nameplate cover.

Background

The modified car is to original delivery of the factory motorcycle type change increase and decrease accessory or change outward appearance etc, reasonable scientific modified car can make the original car travel safer, the performance is better, the modified car is firstly to the performance of individual personality, secondly to the demand that improves driving performance and safety, can use the data plate lid on the modified car, also be the car logo lid, at present, some places still use traditional mode to beat the mark to the data plate lid, artifical simple to use's instrument is beaten the mark to the data plate lid, because the manpower factor makes the data plate lid of beating the mark easily to come out not pleasing to the eye enough, and artifical mark speed of beating is lower.

Therefore, according to the situations, the modified vehicle nameplate cover laser marking equipment with high marking speed, attractive appearance and high durability needs to be designed in the market.

Disclosure of Invention

The invention aims to provide a modified vehicle nameplate cover laser marking device which is high in marking speed, attractive in appearance and high in durability, and can overcome the defects that a traditional mode is provided for marking a nameplate cover, a simple tool is used for marking the nameplate cover manually, the marked nameplate cover is not attractive enough due to human factors, and the manual marking speed is low.

The technical implementation scheme of the invention is as follows: a retrofit vehicular nameplate cover laser marking apparatus comprising:

the device comprises a base and first support frames, wherein the first support frames are arranged on two sides of the base;

the base is rotatably provided with a screw rod;

the screw rod is in threaded connection with the first supporting plate;

the two first support frames are wound with the first springs, and two ends of each first spring are connected with the first support frame and the first support plate respectively;

the frame is arranged on the first supporting plate;

the first support plate is provided with a first support frame;

the upper part of the second support frame is provided with a first ball rod in a sliding way;

the second spring is wound on the first ball rod, and two ends of the second spring are respectively connected with the first ball rod and the second support frame;

the laser machine is arranged on the upper part of the second supporting frame;

the switch ball valve is arranged on the upper side of the laser machine in a sliding mode and matched with the first ball rod;

the switch ball valve is wound with a third spring, and two ends of the third spring are respectively connected with the switch ball valve and the laser machine;

the first supporting plate is provided with a pressing device triggering mechanism;

the laser protection mechanism is arranged on the first supporting plate and is positioned on one side of the trigger mechanism of the pressing equipment;

the base is provided with a data cover placing and rotating mechanism;

the opening and closing mechanism is arranged on the data plate placing and rotating mechanism.

Advantageously, the push down device trigger mechanism comprises:

the first support plate is provided with a first support frame;

the middle of the upper side of the third support frame is rotatably provided with the hand-holding device;

the two sides of the upper part of the third support frame are respectively wound with a first torsion spring, and two ends of the first torsion spring are respectively connected with the third support frame and the hand-held device;

the loop is arranged on the hand-held device, the laser machine penetrates through the loop, and the loop is matched with the first ball rod.

Advantageously, the laser protection mechanism comprises:

the first supporting plate is provided with a first supporting fixing frame, and the upper side of the first supporting fixing frame is connected with the ring sleeve in a sliding manner;

the opening and closing device is rotatably provided with three opening and closing devices on the fourth supporting and fixing frame, and the opening and closing devices are matched with the ring sleeve;

and the upper sides of the three openers are all wound with second torsion springs, and two ends of each second torsion spring are respectively connected with the openers and the fourth supporting and fixing frame.

Advantageously, the inscription cover placing rotation mechanism comprises:

the protective shell is arranged on the base;

a fifth support frame rod is arranged between the lower sides of the inner walls of the two protective shells;

the fifth support frame rod is provided with a material placing frame;

the fifth support frame rod is provided with a first fixed rod;

the placing disc is rotatably arranged in the middle of the fifth support frame rod;

eight L-shaped inclined blocks are uniformly arranged on the upper side of the placing disc;

the lower side of the placing disc is provided with a one-way gear;

first fixed disk, fifth support hack lever, blowing frame and first dead lever between be equipped with first fixed disk, first fixed disk with place a set rotary type and be connected.

Advantageously, the opening and closing mechanism comprises:

the upper side of the discharging frame is provided with the connecting block;

the rotating device is rotatably arranged on the connecting block;

the shutter door, the rotator is evenly provided with six shutter doors.

Beneficially, a cutting fluid mechanism is also included, the cutting fluid mechanism comprising:

the solution tank is arranged on the upper side of the first fixing rod;

the solution tank is provided with a first ball arm in a sliding mode, and the first ball arm is matched with the L-shaped inclined block;

and the second ball rod is wound with a fourth spring, and two ends of the fourth spring are respectively connected with the second ball rod and the solution tank.

Advantageously, the intermittent rotation assist mechanism further comprises:

the pulley yoke is arranged at the bottom of the first fixed disc;

the bottom of the fifth support frame rod is rotatably provided with a missing tooth which is meshed with the one-way gear;

the third torsion spring is wound on the missing teeth, and two ends of the third torsion spring are respectively connected with the missing teeth and the fifth support frame rod;

the pull rope is connected between the ring sleeve and the missing teeth and is connected with the pulley yoke in a sliding manner;

the small iron blocks are arranged on the upper sides of the pull ropes.

Advantageously, the device further comprises a name plate knocking-out mechanism, wherein the name plate knocking-out mechanism comprises:

two second fixing rods are arranged on the upper side of the first fixing disc;

the lifter is arranged between the two second fixing rods in a sliding manner, is matched with the small iron block and is connected with the pull rope in a sliding manner;

the second fixing rods are respectively provided with a second spring, and two ends of the second spring are respectively connected with the lifter and the first fixing disc;

the ejector rod is arranged on the lifter.

In summary, the advantages of the invention are as follows: 1. according to the invention, the ring sleeve swings upwards to contact with the first ball rod, so that the first ball rod moves upwards, the second spring is stretched, the first ball rod is contacted with the switch ball valve, the switch ball valve moves backwards, the third spring is compressed, the switch ball valve moves backwards, the laser machine emits laser, and the effect of triggering the pressing equipment is realized;

2. the second torsion spring is reset to drive the switching device to swing inwards to reset, so that the switching device can protect the laser machine, and the laser protection effect is realized;

3. the placing plate rotates to enable the name plate cover to fall on the placing plate, so that the L-shaped inclined block is driven to rotate, then the one-way gear is rotated to enable the name plate cover on the placing plate to face the lower side of the laser, and the effect of placing and rotating the name plate cover can be achieved;

4. the blocking door is rotated manually to swing outwards, so that the rotator is driven to swing, and people can conveniently rotate the one-way gear;

5. the discharge hole in the solution tank can be opened by the upward movement of the second ball rod, so that the cutting fluid can flow onto the laser-marked nameplate cover, the nameplate cover can be cooled, and people can take the cutting fluid conveniently;

6. when the ring sleeve moves upwards, the ring sleeve enables the pull rope to move upwards, so that the missing teeth rotate, the third torsion spring is deformed in a torsional mode, and the one-way gear is driven to rotate, and therefore the operation is simple and convenient, and manual rotation is not needed;

7. through little iron plate upward movement and riser contact for riser upward movement, fifth spring is stretched, thereby drives ejector pin upward movement, and then makes the ejector pin can aim at the aperture of placing on the dish and will beat the good data cover liftout of mark, realizes the effect that the data cover knocks out.

Drawings

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

Fig. 2 is a schematic perspective view of a first part of the internal structure of the present invention.

Fig. 3 is a perspective view of a second part of the inner part of the present invention.

Fig. 4 is a schematic perspective view of the trigger mechanism of the push-down device of the present invention.

Fig. 5 is a schematic perspective view of the laser protection mechanism of the present invention.

Fig. 6 is a schematic perspective view of the data cover placing and rotating mechanism of the present invention.

Fig. 7 is a schematic perspective view of the opening and closing mechanism of the present invention.

Fig. 8 is a schematic perspective view of the cutting fluid mechanism of the present invention.

Fig. 9 is a perspective view of a first part of the intermittent rotation assist mechanism of the present invention.

Fig. 10 is a perspective view of a second part of the intermittent rotation assist mechanism of the present invention.

Fig. 11 is a schematic perspective view of the cover knocking-out mechanism according to the present invention.

In the above drawings: 1. the laser device comprises a base, 2, a first support frame, 3, a first spring, 4, a screw rod, 5, a first support plate, 6, a frame, 7, a second support frame, 8, a first ball rod, 9, a second spring, 10, a switch ball valve, 101, a laser machine, 11, a third spring, 12, a pressing device trigger mechanism, 121, a third support frame, 122, a hand holder, 123, a first torsion spring, 124, a ring sleeve, 13, a laser device protection mechanism, 131, a fourth support fixing frame, 132, an opener, 133, a second torsion spring, 14, a data cover placing rotating mechanism, 141, a protective shell, 142, a fifth support frame rod, 143, a discharging frame, 144, a first fixing rod, 145, a placing plate, 146, an L-shaped inclined block, 147, a one-way gear, 148, a first fixing plate, 15, an opening and closing mechanism, 151, a connecting block, 152, a rotator, 153, a shielding door, 16, a cutting fluid mechanism, 161, a cutting fluid, a pressing device trigger mechanism, a pressing device, a pressing, The device comprises a solution box 162, a second ball rod 163, a fourth spring 17, an intermittent rotation auxiliary mechanism 171, a pulley frame 172, a third torsion spring 173, missing teeth 174, a pull rope 175, a small iron block 18, a nameplate cover knocking-out mechanism 181, a second fixing rod 182, a lifter 183, a fifth spring 184 and a push rod.

Detailed Description

All of the features disclosed in this application, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features and/or steps are present.

Any feature disclosed in this application (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 11 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 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.

A laser marking device for a nameplate cover of a refitted vehicle is disclosed, as shown in figures 1 to 11, and comprises a base 1, a first support frame 2, a first spring 3, a screw rod 4, a first support plate 5, a frame 6, a second support frame 7, a first ball rod 8, a second spring 9, a switch ball valve 10, a laser machine 101, a third spring 11, a pressing device trigger mechanism 12, a laser protection mechanism 13, a nameplate cover placing rotating mechanism 14 and an opening and closing mechanism 15, wherein the left side and the right side of the base 1 are respectively provided with the first support frame 2, the right side of the base 1 is rotatably provided with the screw rod 4, the first support plate 5 is arranged between the upper parts of the first support frames 2 at the left side and the right side in a sliding manner, the screw rod 4 is connected with the first support plate 5 in a threaded manner, the first springs 3 are wound on the two first support frames 2, two ends of the first springs 3 are respectively connected with the first support frames 2 and the first support frame 5, the frame 6 is arranged on the first support plate 5, 5 right sides of first backup pad are equipped with second support frame 7, 7 upper portion left front side slips formula of second support frame is equipped with first club 8, around having second spring 9 on the first club 8, second spring 9 both ends are connected with first club 8 and second support frame 7 respectively, laser machine 101 is installed in 7 upper portion left sides of second support frame, the anterior upside slip formula of laser machine 101 is equipped with switching ball valve 10, switching ball valve 10 and the cooperation of first club 8, switching ball valve 10 rear side is around having third spring 11, the third spring 11 both ends are connected with switching ball valve 10 and laser machine 101 respectively, 5 left sides of first backup pad are equipped with push-down equipment trigger mechanism 12, be equipped with laser protection mechanism 13 on the first backup pad 5, laser protection mechanism 13 is located push-down equipment trigger mechanism 12 right side, be equipped with the data plate on the base 1 and place slewing mechanism 14, the data plate is placed slewing mechanism 14 and is equipped with the mechanism 15 that opens and shuts.

The trigger mechanism 12 of the pressing device comprises a third support frame 121, a hand holder 122, a first torsion spring 123 and a ring sleeve 124, the third support frame 121 is arranged on the left side of the first support plate 5, the hand holder 122 is rotatably arranged in the middle of the upper side of the third support frame 121, the first torsion spring 123 is wound on the front side and the rear side of the upper portion of the third support frame 121, two ends of the first torsion spring 123 are respectively connected with the third support frame 121 and the hand holder 122, the ring sleeve 124 is arranged on the right side of the hand holder 122, the laser machine 101 penetrates through the ring sleeve 124, and the ring sleeve 124 is matched with the first ball rod 8.

The laser protection mechanism 13 includes a fourth supporting fixing frame 131, an opening and closing device 132 and a second torsion spring 133, the fourth supporting fixing frame 131 is disposed on the first supporting plate 5, the upper side of the fourth supporting fixing frame 131 is slidably connected to the ring sleeve 124, three opening and closing devices 132 are rotatably disposed on the fourth supporting fixing frame 131, the opening and closing devices 132 are matched with the ring sleeve 124, the second torsion spring 133 is wound around the upper sides of the three opening and closing devices 132, and two ends of the second torsion spring 133 are respectively connected to the opening and closing device 132 and the fourth supporting fixing frame 131.

The data cover placing rotating mechanism 14 comprises a protective shell 141, a fifth support rod 142, a placing frame 143, a first fixing rod 144, a placing plate 145, an L-shaped inclined block 146, a one-way gear 147 and a first fixing plate 148, two protective shells 141 are arranged on the base 1, the fifth support rod 142 is arranged between the lower sides of the inner walls of the two protective shells 141, the placing frame 143 is arranged on the left front side of the fifth support rod 142, the first fixing rod 144 is arranged on the right side of the fifth support rod 142, the placing plate 145 is rotatably arranged in the middle of the fifth support rod 142, eight L-shaped inclined blocks 146 are uniformly arranged on the upper side of the placing plate 145, the one-way gear 147 is arranged on the lower side of the placing plate 145, the fifth support rod 142, the first fixing plate 148 is arranged between the placing frame 143 and the first fixing rod 144, and the first fixing plate 148 is rotatably connected with the placing plate 145.

The opening and closing mechanism 15 comprises a connecting block 151, a rotator 152 and a shielding door 153, the connecting block 151 is arranged on the upper side of the material placing frame 143, the rotator 152 is arranged on the connecting block 151 in a rotating mode, and six shielding doors 153 are uniformly arranged on the rotator 152.

The cutting fluid mechanism 16 is further included, the cutting fluid mechanism 16 includes a solution tank 161, a second ball bar 162 and a fourth spring 163, the solution tank 161 is arranged on the upper side of the first fixing rod 144, the second ball bar 162 is arranged on the right side of the solution tank 161 in a sliding manner, the second ball bar 162 is matched with the L-shaped inclined block 146, the fourth spring 163 is wound on the right side of the second ball bar 162, and two ends of the fourth spring 163 are respectively connected with the second ball bar 162 and the solution tank 161.

Still include intermittent type rotation complementary unit 17, intermittent type rotation complementary unit 17 is including pulley yoke 171, third torsion spring 172, lack tooth 173, stay cord 174 and little iron plate 175, first fixed disk 148 left side bottom is equipped with pulley yoke 171, fifth support hack lever 142 bottom rotary type is equipped with lacks tooth 173, it is engaged with one-way gear 147 to lack tooth 173, it has third torsion spring 172 to wind on the tooth 173, third torsion spring 172 both ends are connected with lacking tooth 173 and fifth support hack lever 142 respectively, be connected with stay cord 174 between connection ring cover 124 and the lack tooth 173, stay cord 174 and pulley yoke 171 sliding connection, stay cord 174 upper left side is equipped with little iron plate 175.

Still including the data plate lid and strike out mechanism 18, data plate lid is struck out mechanism 18 including second dead lever 181, riser 182, fifth spring 183 and ejector pin 184, first fixed disk 148 left side front side is equipped with two second dead levers 181, slidingly be equipped with riser 182 between two second dead levers 181, riser 182 and little iron plate 175 cooperation, riser 182 left side and stay cord 174 sliding connection, all around having fifth spring 183 on two second dead levers 181, fifth spring 183 both ends are connected with riser 182 and first fixed disk 148 respectively, riser 182 right side is equipped with ejector pin 184.

When people need to carry out laser marking on the data cover, the laser marking equipment for the modified vehicle data cover can be used, firstly, people manually rotate the screw rod 4 to drive the first supporting plate 5 to move upwards so as to drive the frame 6, the second supporting frame 7, the first data rod 8, the second spring 9, the switch ball valve 10, the third spring 11, the pressing equipment triggering mechanism 12 and the laser protection mechanism 13 to move upwards, then, the data cover is placed on the data cover placing and rotating mechanism 14, then, the data cover placing and rotating mechanism 14 is rotated so as to enable the data cover to be positioned below the laser, then, the pressing equipment triggering mechanism 12 is pushed to operate, so that the first data rod 8 and the second spring 9 operate, the pressing equipment triggering mechanism 12 operates to drive the laser protection mechanism 13 to operate, and then, people can also rotate the opening and closing mechanism 15, when the first data rod 8 operates to be contacted with the switch ball valve 10, make ball valve switch 10 and third spring 11 operation, thereby make laser machine 101 send laser and mark to the data plate lid, mark the completion back, stop promoting and push down equipment trigger mechanism 12, and stop rotating the data plate lid and place slewing mechanism 14 and open and shut mechanism 15 can, then manual antiport lead screw 4 again, thereby drive first backup pad 5 downstream, and then drive frame 6, second support frame 7, first club 8, second spring 9, ball valve switch 10, third spring 11, push down equipment trigger mechanism 12 and the equal downstream of laser protection mechanism 13.

A person can manually push the left side of the hand holder 122 to swing downwards, the right side of the hand holder 122 swings upwards, the first torsion spring 123 is deformed in a torsion mode, the ring sleeve 124 moves upwards, when the ring sleeve 124 swings upwards to be in contact with the first ball rod 8, the first ball rod 8 moves upwards, the second spring 9 is stretched, the first ball rod 8 is in contact with the switch ball valve 10, the switch ball valve 10 moves backwards, the third spring 11 is compressed, the switch ball valve 10 moves backwards to enable the laser machine 101 to emit laser, the effect of triggering the pressing device is achieved, after the person looses hands, the first torsion spring 123 resets to drive the left side of the hand holder 122 to swing upwards, the right side of the hand holder 122 swings downwards to reset to drive the ring sleeve 124 to move downwards, the ring sleeve 124 is not in contact with the first ball rod 8, and the second spring 9 resets to drive the first ball rod 8 to move downwards, and the first ball rod 8 is not contacted with the switch ball valve 10, and the switch ball valve 10 is driven to move forwards by the reset of the third spring 11, so that the laser machine 101 cannot emit laser.

When the ring sleeve 124 moves upward and contacts with the opener 132, the opener 132 swings outward, the second torsion spring 133 is twisted and deformed, and when the ring sleeve 124 moves downward and does not contact with the opener 132, the second torsion spring 133 resets to drive the opener 132 to swing inward and reset, so that the opener 132 can protect the laser machine 101, and the laser protection effect is achieved.

People can put into the blowing frame 143 with a plurality of data plates lid, then manual rotation one-way gear 147 to the drive is placed the dish 145 and is rotated, make the data plate lid can drop on placing the dish 145, and then drive L type sloping block 146 and rotate, then rotate one-way gear 147 again, make the data plate lid of placing on the dish 145 can be facing to the laser below, can realize the data plate lid and place the pivoted effect, after all data plate lids are marked and are accomplished, the stall one-way gear 147 can.

The blocking door 153 can be manually rotated by people to swing outwards, so that the rotator 152 is driven to swing, people can conveniently rotate the one-way gear 147, and when the rotation is not needed, people rotate the blocking door 153 to swing inwards again, so that the rotator 152 is driven to swing reversely.

When the L-shaped sloping block 146 rotates to contact with the second ball bar 162, the second ball bar 162 moves upwards, the fourth spring 163 is compressed, the second ball bar 162 moves upwards to open the discharge hole in the solution tank 161, so that the cutting fluid can flow onto the laser-marked nameplate cover to cool the nameplate cover, and people can take the cutting fluid conveniently.

When the ring sleeve 124 moves upward, the ring sleeve 124 moves the pull rope 174 upward, so that the missing tooth 173 rotates, the third torsion spring 172 is torsionally deformed, and then drives the one-way gear 147 to rotate, the pull rope 174 moves upward to drive the small iron block 175 to move upward, and when the ring sleeve 124 moves downward, the third torsion spring 172 resets to drive the missing tooth 173 to rotate and reversely rotate, so that the pull rope 174 moves downward to reset, so that the small iron block 175 is driven to move downward to reset.

When little iron plate 175 upward movement and riser 182 contact for riser 182 upward movement, fifth spring 183 is stretched, thereby drives ejector pin 184 upward movement, and then makes ejector pin 184 can aim at the aperture of placing on the dish 145 and will beat the good data cover of mark and push out, realizes the effect that the data cover knocks out, and when little iron plate 175 downward movement and riser 182 contactless, because fifth spring 183 resets and drives riser 182 downstream, thereby drives ejector pin 184 downstream and resets.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a refit automobile-used data plate lid laser marking equipment which characterized in that includes:

the device comprises a base (1) and first support frames (2), wherein the first support frames (2) are arranged on two sides of the base (1);

the base (1) is rotatably provided with a screw rod (4);

the screw rod (4) is in threaded connection with the first supporting plate (5);

the two first support frames (2) are wound with the first springs (3), and two ends of each first spring (3) are respectively connected with the first support frame (2) and the first support plate (5);

the frame (6) is arranged on the first supporting plate (5);

the second support frame (7) is arranged on the first support plate (5);

the upper part of the second support frame (7) is provided with a first ball arm (8) in a sliding way;

the second spring (9) is wound on the first ball arm (8), and two ends of the second spring (9) are respectively connected with the first ball arm (8) and the second support frame (7);

the laser machine (101), the upper part of the second supporting frame (7) is provided with the laser machine (101);

the upper sides of the switch ball valves (10, 101) are provided with the switch ball valve (10) in a sliding way, and the switch ball valve (10) is matched with the first ball rod (8);

the third spring (11) is wound on the switch ball valve (10), and two ends of the third spring (11) are respectively connected with the switch ball valves (10) and (101);

the first supporting plate (5) is provided with a pressing equipment triggering mechanism (12);

the laser protection mechanism (13) is arranged on the first supporting plate (5), and the laser protection mechanism (13) is positioned on one side of the pressing equipment triggering mechanism (12);

the base (1) is provided with a data cover placing and rotating mechanism (14);

the opening and closing mechanism (15) is arranged on the data cover placing and rotating mechanism (14).

2. The laser marking device of a retrofit vehicle nameplate cover according to claim 1, wherein the depressing device triggering mechanism (12) includes:

the third support frame (121), the first support plate (5) is equipped with the third support frame (121);

the middle of the upper side of the third support frame (121) is rotatably provided with the hand-holding device (122);

the first torsion spring (123) is wound on both sides of the upper part of the third support frame (121), and both ends of the first torsion spring (123) are respectively connected with the third support frame (121) and the hand holder (122);

the ring sleeve (124) is arranged on the ring sleeve (124) and the hand holder (122), the laser machine (101) penetrates through the ring sleeve (124), and the ring sleeve (124) is matched with the first ball rod (8).

3. Laser marking device according to claim 2, characterized in that the laser protection means (13) comprise:

the fourth supporting and fixing frame (131) is arranged on the first supporting plate (5), and the upper side of the fourth supporting and fixing frame (131) is connected with the ring sleeve (124) in a sliding manner;

the opening and closing device (132), the fourth supporting and fixing frame (131) is rotatably provided with three opening and closing devices (132), and the opening and closing devices (132) are matched with the ring sleeve (124);

the upper sides of the three openers (132) are respectively wound with a second torsion spring (133), and two ends of the second torsion spring (133) are respectively connected with the openers (132) and the fourth supporting and fixing frame (131).

4. The laser marking apparatus for a convertible vehicle nameplate cap as defined in claim 3 wherein the nameplate cap placement rotation mechanism (14) includes:

the protective shell (141), two protective shells (141) are arranged on the base (1);

a fifth support frame rod (142), wherein the fifth support frame rod (142) is arranged between the lower sides of the inner walls of the two protective shells (141);

the material placing frame (143) is arranged on the fifth support frame rod (142);

the first fixing rod (144) is arranged on the fifth support frame rod (142);

the middle of the fifth support frame rod (142) is rotatably provided with the placing disc (145);

eight L-shaped inclined blocks (146) are uniformly arranged on the upper side of the placing disc (145);

the one-way gear (147) is arranged on the lower side of the placing disc (145);

a first fixed disc (148) is arranged among the first fixed disc (148), the fifth support frame rod (142), the material placing frame (143) and the first fixing rod (144), and the first fixed disc (148) is rotatably connected with the material placing disc (145).

5. The laser marking device of a retrofit vehicle nameplate cover according to claim 4, characterized in that the opening and closing mechanism (15) comprises:

the connecting block (151) is arranged on the upper side of the material placing frame (143);

the rotator (152) is rotatably arranged on the connecting block (151);

the shutter door (153), the rotating device (152) is evenly provided with six shutter doors (153).

6. The laser marking device for the nameplate cover of the modified vehicle as claimed in claim 5, further comprising a cutting fluid mechanism (16), wherein the cutting fluid mechanism (16) comprises:

a solution tank (161), wherein the solution tank (161) is arranged on the upper side of the first fixing rod (144);

the solution tank (161) is provided with a second ball rod (162) in a sliding mode, and the second ball rod (162) is matched with the L-shaped inclined block (146);

and the fourth spring (163) is wound on the second ball arm (162), and two ends of the fourth spring (163) are respectively connected with the second ball arm (162) and the solution tank (161).

7. The laser marking device of the nameplate cover for the modified vehicle as claimed in claim 6, further comprising an intermittent rotation assisting mechanism (17), wherein the intermittent rotation assisting mechanism (17) includes:

the pulley yoke (171) is arranged at the bottom of the first fixed disc (148);

the bottom of the fifth support frame rod (142) is rotatably provided with a missing tooth (173), and the missing tooth (173) is meshed with the one-way gear (147);

the third torsion spring (172) is wound on the missing tooth (173), and two ends of the third torsion spring (172) are respectively connected with the missing tooth (173) and the fifth support frame rod (142);

the pull rope (174) is connected between the ring sleeve (124) and the missing tooth (173), and the pull rope (174) is connected with the pulley yoke (171) in a sliding manner;

the small iron block (175) is arranged on the upper side of the pull rope (174).

8. The laser marking apparatus for a retrofit vehicle nameplate cover according to claim 7, further including a nameplate cover knock-out mechanism (18), the nameplate cover knock-out mechanism (18) including:

two second fixing rods (181) are arranged on the upper side of the first fixing disc (148);

the lifter (182) is arranged between the two second fixing rods (181) in a sliding manner, the lifter (182) is matched with the small iron block (175), and the lifter (182) is connected with the pull rope (174) in a sliding manner;

the fifth springs (183) are wound on the two second fixing rods (181), and two ends of each fifth spring (183) are respectively connected with the lifter (182) and the first fixing disc (148);

the ejector rod (184) is arranged on the lifter (182).

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