CN217021917U - Code spraying device - Google Patents

Abstract

The utility model discloses a code spraying device which comprises a rack, wherein the rack is provided with a code spraying module, a power module and a positioning assembly, the code spraying module is connected with the power module, the positioning assembly comprises a plurality of positioning parts connected with a working surface, and the positioning parts are arranged around the code spraying module. The beneficial effects are as follows: the problem of the unable direct positioning spraying of ink jet numbering machine among the prior art is solved, it is effectual to have the spraying, convenient to use's beneficial effect.

Description

Code spraying device

Technical Field

The utility model relates to the technical field of product processing, in particular to a code spraying device.

Background

The ink jet printer is widely applied to all industries needing identification, such as food, building materials, daily chemicals, electronics, automobile accessories, cables and the like, and is used for spraying and printing date identification information on products or packages of the products to achieve the effects of identifying the products and even publicizing product brands.

In the prior art, when the inkjet printer sprays codes on the surface of an article, the inkjet printer is mostly used for directly approaching the surface to be sprayed and then spraying, the spraying effect is easily influenced by external factors, for example, when the handheld inkjet printer is used for spraying, the requirement on the holding stability of a user is high, otherwise, the code spraying effect is poor; or the height of the spraying device is uniform with that of the working surface, so that different spraying depth effects are easily caused. Therefore, the above problems need to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a code spraying device, which solves the problem that a code spraying machine in the prior art cannot directly position and spray the code and has the advantages of good spraying effect and convenience in use.

The utility model is realized by the following technical scheme:

the utility model provides a spout a yard device, includes the frame, the frame is provided with spouts a yard module, power module and locating component, spout a yard module with power module connects, locating component includes a plurality of and the location portion of working surface, location portion encircles spout a yard module setting.

The code spraying module is used for spraying on the surface of the work object, and the power module provides power for the code spraying module; location portion encircles and spouts a yard module setting for when waiting to spray the surface by this device, location portion earlier with wait to spray the surface contact, a plurality of location portion cooperate jointly to make to spout a yard module and wait to spray the surface and keep parallel and fixed distance, thereby make to spout the effectual of sign indicating number, ensure that the spraying depth is unanimous. And when the spraying device is used, the spraying position can be determined by only attaching the positioning part on the surface to be sprayed, so that the spraying is convenient to use, and other auxiliary positioning operations are not needed.

Preferably, the positioning part comprises a positioning rod, and a positioning plate used for attaching to the working surface is arranged at one end, far away from the rack, of the positioning rod.

The locating lever has the length of settlement, and one end is connected with the frame, and the other end is provided with the locating plate, and the locating plate is compared and has better surface area in the cross-section of locating lever, consequently more stable with the attached of treating the spraying table, and the result of use is better.

Preferably, the positioning rod is a telescopic rod with adjustable length.

The locating lever is the telescopic link of adjustable length for spout the yard module and treat that the distance on spraying surface can be adjusted, consequently make the depth of spouting the yard content can be controlled, the result of use is better.

Preferably, the positioning plate is provided with an adsorption part for fixing on the surface to be sprayed.

The setting of absorption portion can make the device with treat that the spraying surface realizes fixed attached, consequently can be better ensure to spout the spraying stability of spouting yard module, promote to spout a yard quality.

Preferably, the adsorption part includes an electromagnet.

The electromagnet can be conveniently adsorbed on the surface to be sprayed of metal, when the electromagnet is electrified, magnetic force can be generated to complete adsorption, and when the electromagnet is powered off, the electromagnet can be separated from the surface to be sprayed, so that the electromagnet is convenient to use.

Preferably, the code spraying module comprises mutually adaptive spraying components and a code spraying belt with to-be-sprayed contents, rolling components are connected to two ends of the code spraying belt, and the rolling components are connected with the power module.

A code frame with contents to be sprayed is constructed on the code spraying belt, the power module provides power for the rolling assembly, so that the rolling assembly pulls the code spraying belt to move to a proper position (namely, a position corresponding to the spraying assembly), and the code spraying assembly arranged corresponding to the code spraying belt sprays the spraying material to form a mark code or a mark on the surface of a product; and the two ends of the code spraying belt are connected with rolling assemblies, so that the code spraying belt can move in two directions along the stroke, the reset time of the code spraying belt is saved, and the processing efficiency is improved.

Preferably, the rolling assembly comprises a roller, the code spraying belt is wound on the roller, a connecting shaft is arranged at the center of the side face of the roller, the power module comprises a motor, and the connecting shaft is in transmission connection with the output end of the motor.

The outside of roller is used for the winding to spout the sign indicating number area, and the both sides of spouting the sign indicating number area all are provided with the roller to can make to spout the sign indicating number area and keep the tensioning state, the side center of roller is provided with the connecting axle, is connected with the output transmission of motor, thereby ensures the transmission of power, makes the roller rotate to drive and spouts the sign indicating number area and remove, and two rollers link respectively has a motor, consequently can make to spout the sign indicating number area and realize two-way removal.

Preferably, the frame still is provided with inertia adjusting part, inertia adjusting part includes first clutch, second clutch and mounting bracket, first clutch with the roller is connected, first clutch fixed mounting in the mounting bracket, the one end of second clutch with the output of motor is connected, the other end of second clutch is connected with the transmission shaft, the transmission shaft with the connecting axle transmission is connected.

The two sides of the code spraying belt are provided with the rollers and the motors, when code spraying is carried out, the first clutch and the second clutch on the head side of the code spraying belt keep the same internal working state, when the motor on the side transmits power, the inside of the second clutch on the side is disconnected, the power is transmitted to the roller adjacent to the motor through the transmission shaft, the inside of the first clutch on the roller is disconnected at the moment, the first clutch can freely rotate, and therefore the code spraying belt can start to move along with the first clutch; the second clutch on the motor at the tail side of the code spraying belt keeps closed inside at the moment, the output of power is cut off, the first clutch adjacent to the second clutch keeps closed inside and cannot rotate freely, however, the tension for pulling the roller by the code spraying belt at the moment is larger than the limit friction of the first clutch, so that the roller still can rotate, when the code spraying belt stops moving, the tension applied to the roller at the tail side is reduced, the first clutch on the roller is in the state of closed inside, the roller can be immediately stopped rotating to stop inertia, the condition that the code spraying belt is in a loose state due to the fact that the roller at the tail side continuously rotates due to inertia after the code spraying belt stops moving is avoided, therefore, through the arrangement mode, the code spraying belt can not only move bidirectionally, but also does not need to adjust the tension of the code spraying belt after moving each time, use more high-efficient convenient, owing to control and regulation to inertia in addition, also can improve the precision of spouting the sign indicating number and spout the sign indicating number effect, have better result of use.

Preferably, the code spraying module further comprises two oppositely arranged brackets, a code spraying area is constructed between the two brackets, a stroke groove is constructed in the code spraying area, and the stroke groove is matched with the code spraying belt.

The code spraying area is constructed between the two oppositely arranged supports, and the stroke grooves are constructed in the code spraying area, so that the code spraying belt can move under the limit of the stroke grooves, the condition that the content to be sprayed is in the code spraying area is ensured, the code spraying efficiency and the spraying quality are improved, in addition, the code spraying belt can be kept in a tensioning state in the moving process due to the limit effect of the stroke grooves on the code spraying belt, and the loosening probability is reduced.

Preferably, the spraying component comprises a spray head, a first linear module and a second linear module, the first linear module is arranged along the stroke direction of the code spraying belt, the spray head is arranged at the moving end of the first linear module, the first linear module is arranged at the moving end of the second linear module, and the stroke direction of the first linear module is perpendicular to that of the second linear module.

The first linear module is arranged along the stroke direction of the code spraying belt, and when the code spraying belt enters the code spraying area, the spray head can move under the driving of the first linear module to finish spraying on the surface of an object; the stroke direction of second straight line module is perpendicular with the stroke direction of first straight line module, and first straight line module sets up the removal end of second straight line module, consequently makes the shower nozzle have two degrees of freedom in the horizontal direction to increased the moving range of shower nozzle, also consequently increased the scope of shower nozzle, made the size of spouting the sign indicating number content select also abundanter.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the utility model provides a code spraying device, wherein positioning parts are arranged around a code spraying module, so that when the device is close to a surface to be sprayed, the positioning parts are firstly contacted with the surface to be sprayed, and the plurality of positioning parts are matched together to keep the code spraying module and the surface to be sprayed parallel and at a fixed distance, so that the code spraying effect is good, and the spraying depth is ensured to be consistent. And when the spraying device is used, the spraying position can be determined by only attaching the positioning part on the surface to be sprayed, so that the spraying is convenient to use, and other auxiliary positioning operations are not needed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a code spraying device provided by the present invention;

fig. 2 is a schematic structural diagram of a code spraying device provided by the present invention (omitting a bracket);

fig. 3 is a schematic structural diagram (with an electromagnet) of a code spraying device provided by the present invention.

Reference numbers and corresponding part names in the drawings:

100-a rack, 200-a code spraying module, 210-a spraying component, 211-a sprayer, 212-a first linear module, 213-a second linear module, 220-a code spraying belt, 230-a rolling component, 231-a roller, 232-a connecting shaft, 233-an extending plate, 240-a support, 241-an auxiliary roller shaft, 250-a code spraying area, 260-a stroke groove, 300-a power module, 310-a motor, 400-a positioning component, 410-a positioning part, 411-a positioning rod, 412-a positioning plate, 420-an adsorption part, 421-an electromagnet, 500-an inertia adjusting component, 510-a first clutch, 520-a second clutch, 521-a transmission shaft and 530-a mounting rack.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to those of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example" or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the utility model. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.

Examples

As shown in fig. 1 to 3, the code spraying device of the present invention includes a frame 100, wherein the frame 100 is provided with a code spraying module 200, a power module 300, and a positioning assembly 400, the code spraying module 200 is connected to the power module 300, the positioning assembly 400 includes a plurality of positioning portions 410 connected to a working surface, and the positioning portions 410 are disposed around the code spraying module 200.

As shown in fig. 1 and fig. 3, in the present embodiment, the rack 100 is a flat plate-shaped structure, the code spraying module 200 is disposed at the center of the rack 100, the code spraying module 200 is used for spraying on the surface of the work product, and the power module 300 provides power for the code spraying module 200; location portion 410 encircles and spouts a yard module 200 setting, and four are located the four corners of frame 100, and the top keeps the parallel and level for when waiting to spray the surface, location portion 410 earlier with wait to spray surface contact, a plurality of location portion 410 cooperate jointly to make and spout a yard module 200 and wait to spray the surface and keep parallel and fixed distance, thereby make to spout the effectual of sign indicating number, ensure that the spraying depth is unanimous. When the spraying device is used, the positioning part 410 is only required to be attached to the surface to be sprayed, the spraying position is determined, the code spraying can be started, the use is convenient, and other auxiliary positioning operations are not needed.

Preferably, the positioning portion 410 includes a positioning rod 411, and a positioning plate 412 for attaching to a working surface is disposed at one end of the positioning rod 411 away from the frame 100.

As shown in fig. 1 and fig. 3, in the present embodiment, four positioning rods 411 are located at four corners of the rack 100, and have a set length, one end of the positioning rod 411 is connected to the rack 100, the other end of the positioning rod faces the spraying direction and is provided with a positioning plate 412, and the positioning plate 412 is circular, and has a better surface area compared with the cross section of the positioning rod 411, so that the surface is more stably attached to the watch to be sprayed, and the using effect is better.

Preferably, the positioning rod 411 is a telescopic rod with adjustable length.

In this embodiment, locating lever 411 is the telescopic link of adjustable length for spout the yard module 200 and treat that the distance on spraying the surface can be adjusted, consequently make the depth of spouting yard content can obtain control, the result of use is better. It should be noted that, the telescopic link can select the electric putter among the prior art, has the effect that control is convenient, flexible stable.

Preferably, the positioning plate 412 is provided with an adsorption part 420 for fixing on the surface to be sprayed.

In this embodiment, the setting of absorption portion 420 has the adsorption affinity on locating plate 412, can make the device with treat that the spraying surface realizes fixed attached, consequently can be better ensure spout the spraying stability of code module 200, promote to spout a yard quality.

Preferably, the adsorption part 420 includes an electromagnet 421.

As shown in fig. 3, in the present embodiment, the cylindrical electromagnets 421 are installed on all the four positioning plates 412, the electromagnets 421 can be conveniently adsorbed on the surface to be sprayed of the metal, when the power is turned on, magnetic force can be generated to complete adsorption, and when the power is turned off, the surface to be sprayed can be separated from the power, which is convenient to use.

Preferably, the code spraying module 200 includes a spraying component 210 and a code spraying belt 220 with contents to be sprayed, the spraying component 210 and the code spraying belt 220 are adapted to each other, rolling components 230 are connected to both ends of the code spraying belt 220, and the rolling components 230 are connected to the power module 300.

As shown in fig. 1 and fig. 2, in the present embodiment, a code frame to be coated is configured on the code spraying belt 220, the power module 300 is disposed adjacent to the rolling assembly 230 and provides a rotational power to the rolling assembly, so that the rolling assembly pulls the code spraying belt 220 to move to a proper position (i.e., a position corresponding to the coating assembly 210), and the code spraying assembly disposed corresponding to the code spraying belt 220 sprays the coating material, thereby forming a code or a mark on the surface of the product; and the two ends of the code spraying belt 220 are connected with rolling assemblies 230, and each rolling assembly 230 is connected with one power module 300, so that the code spraying belt 220 can move in two directions along the stroke, the resetting time of the code spraying belt 220 is saved, and the processing efficiency is improved.

Preferably, the rolling assembly 230 comprises a roller 231, the code spraying belt 220 is wound on the roller 231, a connecting shaft 232 is arranged at the rotating center of the side surface of the roller 231, the power module 300 comprises a motor 310, and the connecting shaft 232 is in transmission connection with the output end of the motor 310.

As shown in fig. 1 and fig. 2, in this embodiment, the outer side of the roller 231 is used for winding the code spraying belt 220, and the two side walls of the roller 231 are both provided with extension plates 233 for preventing the code spraying belt 220 from deviating, and the extension plates 233 are extended outwards along the side walls of the roller 231, so that the code spraying belt 220 is located at the periphery of the roller 231 and surrounded by the two extension plates 233, thereby achieving a good deviation preventing effect; spout the both sides of sign indicating number area 220 and all be provided with roller 231 to can make to spout sign indicating number area 220 and keep the tensioning state, the side center of roller 231 is provided with connecting axle 232, is connected with the output transmission of motor 310, thereby ensures the transmission of power, makes roller 231 rotate to drive and spouts sign indicating number area 220 and remove, and two rollers 231 link respectively has a motor 310, consequently can make to spout sign indicating number area 220 and realize two-way removal.

Preferably, the frame 100 is further provided with an inertia adjusting assembly 500, the inertia adjusting assembly 500 includes a first clutch 510, a second clutch 520 and a mounting frame 530, the first clutch 510 is connected with the roller 231, the first clutch 510 is fixedly mounted on the mounting frame 530, one end of the second clutch 520 is connected with the output end of the motor 310, the other end of the second clutch 520 is connected with a transmission shaft 521, and the transmission shaft 521 is in transmission connection with the connection shaft 232.

In the present embodiment, the installation states of the first clutch 510 and the second clutch 520 are opposite; one end of the first clutch 510 is connected with the roller 231 and can rotate along with the roller 231, and the other end of the first clutch 510 is fixedly installed on the fixing frame, so that the whole first clutch 510 can freely rotate when the inside of the first clutch 510 is separated; when the first clutch 510 is internally combined, the end of the first clutch 510 connected with the fixed frame generates friction force for preventing the other end of the first clutch 510 from rotating, so that the roller 231 is prevented from rotating; one end of the second clutch 520 is connected with the motor 310, and the other end is provided with a transmission shaft 521 in transmission connection with the roller 231, when the inside of the second clutch 520 is separated, the whole second clutch 520 can rotate freely; when the second clutch 520 is internally engaged, the end of the second clutch 520 connected to the motor 310 generates a frictional force to prevent the rotation of the other end of the second clutch 520, thereby preventing the rotation of the transmission shaft 521, and thus the first clutch 510 and the second clutch 520 are installed in opposite directions.

As shown in fig. 1 and 2, when the code spraying belt 220 moves to the right, the first clutch 510 and the second clutch 520 on the right side of the code spraying belt 220 are kept in an internal separation state, and when the motor 310 on the right side transmits power, the power is transmitted to the roller 231 adjacent to the power through the transmission shaft 521, so that the roller 231 can rotate freely, and the code spraying belt 220 can start to move along with the power; meanwhile, the second clutch 520 on the motor 310 on the left side of the code spraying belt 220 keeps closed internally at this time, so the transmission shaft 521 can not transmit power, the first clutch 510 adjacent to the second clutch 520 also keeps closed internally, the roller 231 on the side can not rotate freely, however, the pulling force of the code spraying belt 220 pulling the roller 231 at this time is greater than the limit friction force of the first clutch 510, so the roller 231 can still rotate. When spouting code belt 220 stop moving, the pulling force that is located left roller 231 and receives diminishes, first clutch 510 on it is in inside closed state, consequently can make roller 231 stall immediately, stop inertia, thereby avoided spouting left rotating assembly behind code belt 220 stop moving because inertia continues to rotate and the sign indicating number area 220 that leads to is in the lax state that spouts, consequently, through the mode that sets up above, spout the sign indicating number area 220 and not only can accomplish two-way movement, need not to adjust the rate of tension of spouting code belt 220 after the removal at every turn finishes simultaneously, it is more high-efficient convenient to use, in addition because control and regulation to inertia, also can improve the precision of spouting the sign indicating number and spout the sign indicating number effect, better result of use has.

Preferably, the code spraying module 200 further includes two brackets 240 arranged oppositely, a code spraying area 250 is configured between the two brackets 240, a stroke slot 260 is configured in the code spraying area 250, and the stroke slot 260 is adapted to the code spraying belt 220.

As shown in fig. 1, in this embodiment, the two brackets 240 are oppositely disposed on the rack 100, the distance between the two brackets 240 is greater than the width of the code spraying belt 220, the code spraying area 250 is configured on the two oppositely disposed brackets 240, specifically, the two brackets 240 are oppositely disposed on a plane, a stroke slot 260 is configured in the code spraying area 250, the two stroke slots 260 are respectively located on the two brackets 240 and are oppositely disposed, and the widths of the stroke slots 260 and the width of the section of the code spraying belt 220 are adapted to the thickness of the section of the code spraying belt 220, so that the code spraying belt 220 can move under the limit of the stroke slots 260, thereby ensuring that the content to be sprayed is located in the code spraying area 250, improving the efficiency of code spraying and the quality of spraying, and in addition, the limit effect of the stroke slots 260 on the code spraying belt 220 can also enable the code spraying belt 220 to maintain a tensioned state during moving, and reduce the probability of looseness.

It should be noted that, as shown in fig. 1 and fig. 3, in this embodiment, four auxiliary roller shafts 241 are further disposed on two oppositely disposed brackets 240, two auxiliary rollers 231 are respectively disposed on two sides of the brackets 240, and the auxiliary roller shafts 241 are used for winding the code spraying belt 220 and can roll along with the movement of the code spraying belt 220, so that the code spraying belt 220 maintains a tensioned state in the moving process, and the slack condition caused by the overlong code spraying belt 220 is reduced.

Preferably, the spray assembly 210 includes a spray head 211, a first linear module 212 and a second linear module 213, the first linear module 212 is disposed along a stroke direction of the code spraying strip 220, the spray head 211 is mounted at a moving end of the first linear module 212, the first linear module 212 is disposed at a moving end of the second linear module 213, and the stroke direction of the first linear module 212 is perpendicular to the stroke direction of the second linear module 213.

As shown in fig. 2, in this embodiment, the first linear module 212 is located below the bracket 240, and the first linear module 212 is disposed along a stroke direction of the inkjet printing tape 220, and specifically includes a bottom plate disposed along the stroke direction of the inkjet printing tape 220, the bottom plate is provided with two guide rails that are disposed oppositely and code the stroke direction of the inkjet printing tape 220, a servo motor 310 is installed on one side of the bottom plate, an output end of the servo motor 310 is connected with a lead screw, the lead screw is disposed along a length direction of the bottom plate and located between the two guide rails, a moving part is installed on the lead screw, and the moving part is slidably adapted to the guide rails, the nozzle 211 is installed on the moving part, a top end of the nozzle 211 is close to the inkjet printing tape 220, when contents to be printed on the inkjet printing tape 220 enter the inkjet printing area 250, the nozzle 211 can move under the driving of the moving part, thereby completing the inkjet printing on the surface of an object.

The stroke direction of the second linear module 213 is perpendicular to the stroke direction of the first linear module 212, and the second linear module 213 specifically includes a servo motor 310, a lead screw and two guide rails, where the lead screw and the guide rails are parallel and perpendicular to the stroke direction of the first linear module 212. The servo motor 310 and the lead screw realize power transmission through belt transmission, so that a moving end on the lead screw can move flexibly; distance between two guide rails and the bottom plate length adaptation in the first straight line module 212, and the removal end on bottom plate and the lead screw links together, the both sides of bottom plate bottom have still set up with the slip table of second straight line module 213 in guide rail adaptation, be used for increasing the mobility stability of first straight line module 212 on second straight line module 213, consequently, make shower nozzle 211 have two degrees of freedom in the horizontal direction, thereby shower nozzle 211's mobility range has been increased, also consequently, shower nozzle 211's scope has been increased, make the size of spouting the sign indicating number content select also abundanter.

In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The code spraying device is characterized by comprising a rack (100), wherein the rack (100) is provided with a code spraying module (200), a power module (300) and a positioning assembly (400), the code spraying module (200) is connected with the power module (300), the positioning assembly (400) comprises a plurality of positioning parts (410) which are connected with a working surface, and the positioning parts (410) surround the code spraying module (200).

2. The code spraying device according to claim 1, wherein the positioning part (410) comprises a positioning rod (411), and a positioning plate (412) used for being attached to a working surface is arranged at one end, away from the rack (100), of the positioning rod (411).

3. A code spraying device according to claim 2, wherein the positioning rod (411) is a telescopic rod with adjustable length.

4. A code spraying device according to claim 2, wherein the positioning plate (412) is provided with an adsorption part (420) for fixing on a surface to be sprayed.

5. A code spraying device according to claim 4, characterized in that the adsorption part (420) comprises an electromagnet (421).

6. The code spraying device according to claim 1, wherein the code spraying module (200) comprises a spraying component (210) and a code spraying belt (220) with content to be sprayed, the spraying component (210) and the code spraying belt (220) are matched with each other, two ends of the code spraying belt (220) are respectively provided with a rolling component (230) in a connected mode, and the rolling components (230) are connected with the power module (300).

7. A code spraying device according to claim 6, wherein the rolling assembly (230) comprises a roller (231), the code spraying belt (220) is wound on the roller (231), a connecting shaft (232) is arranged at the center of the side surface of the roller (231), the power module (300) comprises a motor (310), and the connecting shaft (232) is in transmission connection with the output end of the motor (310).

8. The code spraying device according to claim 7, wherein the frame (100) is further provided with an inertia adjusting assembly (500), the inertia adjusting assembly (500) comprises a first clutch (510), a second clutch (520) and a mounting frame (530), the first clutch (510) is connected with the roller (231), the first clutch (510) is fixedly mounted on the mounting frame (530), one end of the second clutch (520) is connected with the output end of the motor (310), the other end of the second clutch (520) is connected with a transmission shaft (521), and the transmission shaft (521) is in transmission connection with the connecting shaft (232).

9. The code spraying device according to claim 6, wherein the code spraying module (200) further comprises two oppositely arranged brackets (240), a code spraying area (250) is constructed between the two brackets (240), a stroke slot (260) is constructed in the code spraying area (250), and the stroke slot (260) is adapted to the code spraying belt (220).

10. The code spraying device according to claim 9, wherein the spraying component (210) comprises a spraying head (211), a first linear module (212) and a second linear module (213), the first linear module (212) is arranged along a stroke direction of the code spraying belt (220), the spraying head (211) is mounted at a moving end of the first linear module (212), the first linear module (212) is arranged at a moving end of the second linear module (213), and the stroke direction of the first linear module (212) is perpendicular to the stroke direction of the second linear module (213).

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