阅读说明：本技术 一种自动拉平喷码面及涂刷防护胶的激光喷码装置 (Laser code spraying device capable of automatically leveling code spraying surface and coating protective glue ) 是由 蒋春贞 于 2021-01-12 设计创作，主要内容包括：本发明公开了一种自动拉平喷码面及涂刷防护胶的激光喷码装置,包括箱体,所述箱体内设置有操作腔,所述操作腔右端内设置有将喷码区域两端凸起后利用电动夹爪进行夹紧拉平便于喷码的拉平喷码机构,所述拉平喷码机构包括前后对称固定设置于所述操作腔右端底壁的两个升降杆槽,所述升降杆槽内设置有电动升降杆,所述操作腔右端前后对称设置有位于所述升降杆槽上侧的固定电动夹爪,所述操作腔顶壁固定设置有位于前后侧所述升降杆槽之间的定位架,本发明能够根据喷码长度控制涂刷长度,对喷码区域进行及时的防护胶涂刷,能够利用电动夹爪对纸张塑料袋喷涂面进行拉平,使表面平整从而实现喷码。(The invention discloses a laser code spraying device for automatically leveling a code spraying surface and brushing protective glue, which comprises a box body, wherein an operation cavity is arranged in the box body, a leveling code spraying mechanism which is used for clamping and leveling the two ends of a code spraying area after the two ends are protruded is arranged in the right end of the operation cavity by using an electric clamping jaw so as to facilitate code spraying, the leveling code spraying mechanism comprises two lifting rod grooves which are symmetrically and fixedly arranged on the bottom wall of the right end of the operation cavity from front to back, electric lifting rods are arranged in the lifting rod grooves, fixed electric clamping jaws which are positioned on the upper sides of the lifting rod grooves are symmetrically arranged on the front and back of the right end of the operation cavity from front to back, and a positioning frame which is positioned between the lifting rod grooves on the front side and the back side is fixedly arranged on the top wall of the operation cavity. The surface is smooth, and code spraying is realized.)

1. The utility model provides an automatic draw level and spout a yard face and apply paint laser of protecting glue and spout a yard device, includes the box, its characterized in that: an operation cavity is arranged in the box body, a leveling code spraying mechanism which is used for clamping and leveling a code spraying area after two ends of the code spraying area are protruded is arranged in the right end of the operation cavity and is convenient for code spraying by utilizing an electric clamping jaw, the leveling code spraying mechanism comprises two lifting rod grooves which are symmetrically and fixedly arranged on the bottom wall of the right end of the operation cavity in the front-back direction, electric lifting rods are arranged in the lifting rod grooves, fixed electric clamping jaws positioned on the upper sides of the lifting rod grooves are symmetrically and longitudinally arranged on the right end of the operation cavity, a positioning frame positioned between the lifting rod grooves on the front-back side is fixedly arranged on the top wall of the operation cavity, a movable electric clamping jaw is dynamically arranged at one end of the fixed electric clamping jaw far away from the positioning frame, the top surface of the fixed electric clamping jaw is fixedly connected with a connecting sliding rod, a separation blade, the separation blade spout sets up in electric slider, electric slider sets up in electric slider spout and rather than sliding connection, electric slider spout is kept away from the end wall longitudinal symmetry of locating rack is provided with electric guide rail, electric guide rail with electric slider keeps away from the one end power of locating rack is connected, the separation blade spout is kept away from the fixed opening dorsad that is provided with of end wall of locating rack the push rod of locating rack leads to the groove, the push rod leads to groove and push rod sliding connection, the push rod is kept away from the fixed stay cord that is provided with of terminal surface of locating rack, front and back stay cord top downside is provided with the laser inkjet mechanism who accomodates protection laser inkjet device when not using.

2. The laser code spraying device for automatically leveling code spraying surface and painting protective glue according to claim 1, is characterized in that: an electric telescopic rod is arranged at the right end of the operation cavity, the end face, far away from the positioning frame, of the separation blade is connected with the separation blade sliding groove through a separation blade spring, one end, far away from the positioning frame, of the push rod is arranged in a push rod sliding groove with an opening towards the positioning frame and is in sliding connection with the push rod sliding groove, the end face, far away from the positioning frame, of the push rod is connected with the push rod sliding groove through a push rod spring, one end, far away from the positioning frame, of the push rod sliding groove is fixedly provided with a push air pipe with a bottom end communicated with the outside, the push air pipe is in power connection with a push air pump, an input groove with a forward opening and positioned at the front side of the positioning frame is fixedly arranged on the front end wall of the operation cavity, an input baffle door is arranged at the front side of the input, the pressing attachment mechanism is arranged on the upper side of the supporting block sliding groove, an output groove which is located on the front side of the supporting block sliding groove and is provided with a forward opening is fixedly arranged on the front end wall of the operation cavity, and an output stop door is arranged at the front end of the output groove.

3. The laser code spraying device for automatically leveling code spraying surface and painting protective glue according to claim 1, is characterized in that: laser inkjet mechanism include with the front and back side stay cord top fixed connection's laser spouts a yard device, laser spouts a yard device sets up in the decurrent yard device spout of opening and rather than sliding connection, laser spout a yard device top surface with spout and spout through spouting yard device spring coupling between the yard device spout, laser spouts a yard device top and is provided with the connecting cable, the connecting cable top is provided with spouts a yard support device, the locating bracket top is fixed to be provided with and is located spout yard device spout downside and the ascending constant head tank of opening, the constant head tank diapire is fixed to be provided with the decurrent yard mouth of opening.

4. The laser code spraying device for automatically leveling code spraying surface and painting protective glue according to claim 2 is characterized in that: the protective glue brushing mechanism comprises a supporting block arranged in a supporting block sliding groove and connected with the supporting block in a sliding mode, a brushing supporting block groove with a downward opening is fixedly arranged at the bottom end of the supporting block, a brushing electric guide rail is fixedly arranged on the top wall of the brushing supporting block groove, the brushing electric guide rail is in dynamic sliding connection with the top end of the brushing supporting block, supporting plates are symmetrically and fixedly arranged at the left end and the right end of the brushing supporting block, a rotating roller shaft is fixedly arranged between the supporting plates at the left side and the right side, the rotating roller shaft is rotationally connected with the rotating roller, and a protective glue extrusion providing mechanism is arranged.

5. The laser code spraying device for automatically leveling code spraying surface and painting protective glue according to claim 2 is characterized in that: the pressing attachment mechanism comprises a supporting slide bar fixedly arranged on the top surface of the supporting block, the supporting slide bar is arranged in a supporting slide bar sliding groove with a downward opening and is in sliding connection with the supporting slide bar sliding groove, a metal block is fixedly arranged on the top surface of the supporting slide bar, the top surface of the supporting slide bar is connected with the supporting slide bar sliding groove through a supporting slide bar spring, a lifting air pipe with the top end communicated with the outside is fixedly arranged on the top wall of the supporting slide bar sliding groove, and the lifting air pipe is in power connection with a lifting air pump.

6. The laser code spraying device for automatically leveling code spraying surface and painting protective glue according to claim 4, is characterized in that: the protection is glued and is extruded mechanism is including fixed set up in the stay tube of supporting shoe rear end face, communicating connecting pipe from top to bottom is provided with to the stay tube internal fixation, the stay tube bottom mounting is provided with the extrusion head, the fixed hose that is provided with in stay tube top, hose top and protection are glued storage chamber fixed connection, be provided with protection glue storage bag in the protection glue storage chamber, the hose with protection glue storage bag intercommunication, protection glue storage chamber sets up in the extrusion intracavity, extrusion chamber top is provided with the extrusion telescoping device, the metal block can be connected the circuit between extrusion telescoping device and its power.

Technical Field

The invention relates to the technical field related to laser code spraying, in particular to a laser code spraying device for automatically leveling a code spraying surface and brushing protective glue.

Background

The laser code spraying breaks through the normativity and the singleness of the traditional ink code spraying technology, creates a brand new spraying mode, highlights the characteristics and brand differences of products, promotes the competitive power of the products in increasingly fierce markets, and provides a powerful tool for shortening the upgrading and updating period of the products and flexible production.

The laser code spraying device at the present stage has the following defects: the adhesive force of printing date or batch number is general, if the paper is wiped by alcohol for more than ten times and the color is likely to fade, the code can be printed only if the paper plastic bag is relatively flat, and the code is easy to be printed in an overlapped mode or needs to be flattened manually.

Disclosure of Invention

Aiming at the technical defects, the invention provides the laser code spraying device for automatically leveling the code spraying surface and brushing the protective glue, which can overcome the defects.

The invention relates to a laser code spraying device capable of automatically leveling a code spraying surface and coating protective glue, which comprises a box body, wherein an operation cavity is arranged in the box body, a leveling code spraying mechanism which clamps and levels two ends of a code spraying area after the two ends are protruded is arranged in the right end of the operation cavity and is convenient for code spraying by using an electric clamping jaw, the leveling code spraying mechanism comprises two lifting rod grooves which are symmetrically and fixedly arranged on the bottom wall of the right end of the operation cavity from front to back, electric lifting rods are arranged in the lifting rod grooves, fixed electric clamping jaws positioned on the upper sides of the lifting rod grooves are symmetrically arranged on the front and back of the right end of the operation cavity, a positioning frame positioned between the lifting rod grooves on the front side and the back side is fixedly arranged on the top wall of the operation cavity, a movable electric clamping jaw is arranged at one end of the fixed electric clamping jaw, which is far away from the positioning frame, the top surface, the separation blade sets up in the separation blade spout and rather than sliding connection, the separation blade spout sets up in electric slider, electric slider sets up in electric slider spout and rather than sliding connection, electric slider spout is kept away from the end wall longitudinal symmetry of locating rack is provided with electronic guide rail, electronic guide rail with electric slider keeps away from the one end power of locating rack is connected, the separation blade spout is kept away from the end wall of locating rack is fixed to be provided with the opening dorsad the push rod logical groove of locating rack, the push rod leads to groove and push rod sliding connection, the push rod is kept away from the fixed stay cord that is provided with of terminal surface of locating rack, front and back stay cord top downside is provided with the laser inkjet mechanism who takes in protection laser inkjet device when not using.

Preferably, an electric telescopic rod is arranged at the right end of the operation cavity, the end face, far away from the positioning frame, of the separation blade is connected with the separation blade sliding groove through a separation blade spring, one end, far away from the positioning frame, of the push rod is arranged in a push rod sliding groove with an opening towards the positioning frame and is in sliding connection with the push rod sliding groove, the end face, far away from the positioning frame, of the push rod is connected with the push rod sliding groove through a push rod spring, one end, far away from the positioning frame, of the push rod sliding groove is fixedly provided with a push air pipe with a bottom end communicated with the outside, the push air pipe is in power connection with a push air pump, an input groove with a forward opening and positioned at the front side of the positioning frame is fixedly arranged on the front end wall of the operation cavity, an input baffle door is arranged at the front side of the input groove, the pressing attachment mechanism is arranged on the upper side of the supporting block sliding groove, an output groove which is located on the front side of the supporting block sliding groove and is provided with a forward opening is fixedly arranged on the front end wall of the operation cavity, and an output stop door is arranged at the front end of the output groove.

Preferably, laser inkjet mechanism include with the front and back side stay cord top fixed connection's laser spouts the yard device, laser spouts a yard device sets up in the decurrent yard device spout of opening and rather than sliding connection, laser spout a yard device top surface with spout and spout through spouting yard device spring coupling between the yard device spout, laser spouts a yard device top and is provided with the connecting cable, the connecting cable top is provided with spouts a yard support device, the fixed being provided with in locating rack top is located spout yard device spout downside and the ascending constant head tank of opening, the constant head tank diapire is fixed and is provided with the decurrent yard mouth of opening.

Preferably, the protective glue brushing mechanism comprises a supporting block arranged in a supporting block sliding groove and connected with the supporting block in a sliding mode, a brushing supporting block groove with a downward opening is fixedly formed in the bottom end of the supporting block, a brushing electric guide rail is fixedly arranged on the top wall of the brushing supporting block groove, the brushing electric guide rail is in dynamic sliding connection with the top end of the brushing supporting block, supporting plates are symmetrically and fixedly arranged at the left end and the right end of the brushing supporting block, a rotating roller shaft is fixedly arranged between the supporting plates at the left side and the right side, the rotating roller shaft is rotatably connected with the rotating roller, and a protective glue extruding and providing mechanism is arranged.

Preferably, the pressing attachment mechanism comprises a supporting slide bar fixedly arranged on the top surface of the supporting block, the supporting slide bar is arranged in a supporting slide bar chute with a downward opening and is in sliding connection with the supporting slide bar chute, a metal block is fixedly arranged on the top surface of the supporting slide bar, the top surface of the supporting slide bar is connected with the supporting slide bar chute through a supporting slide bar spring, a lifting air pipe with the top end communicated with the outside is fixedly arranged on the top wall of the supporting slide bar chute, and the lifting air pipe is in power connection with a lifting air pump.

Preferably, the protection rubber extrusion providing mechanism comprises a supporting pipe fixedly arranged on the rear end face of the supporting block, a connecting pipe which is communicated with the upper part and the lower part is fixedly arranged in the supporting pipe, an extrusion head is fixedly arranged at the bottom end of the supporting pipe, a hose is fixedly arranged at the top end of the supporting pipe, the top end of the hose is fixedly connected with a protection rubber storage cavity, a protection rubber storage bag is arranged in the protection rubber storage cavity, the hose is communicated with the protection rubber storage bag, the protection rubber storage cavity is arranged in the extrusion cavity, an extrusion telescopic device is arranged at the top end of the extrusion cavity, and the metal block can be connected with a circuit between the extrusion telescopic device and a power.

The beneficial effects are that: the device can control the painting length according to the code spraying length, timely paint protective glue on a code spraying area, protect the code spraying from fading due to the influence of external wiping, flatten the sprayed surface of the paper plastic bag by using the electric clamping jaw, flatten the surface, realize code spraying, avoid overlapping code spraying and avoid manual flattening, and improve the code spraying efficiency and accuracy.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a laser code spraying device for automatically leveling a code spraying surface and coating protective glue according to the present invention;

FIG. 2 is a schematic view of A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic view of B-B in FIG. 1 according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of the structure at C in fig. 2 according to the embodiment of the present invention.

Detailed Description

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

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a laser code spraying device for automatically leveling a code spraying surface and coating protective glue, which comprises a box body 10, wherein an operation cavity 11 is arranged in the box body 10, a leveling code spraying mechanism which is used for clamping and leveling the two ends of a code spraying area after the two ends are raised is arranged in the right end of the operation cavity 11 and is convenient for code spraying, the leveling code spraying mechanism comprises two lifting rod grooves 44 which are symmetrically and fixedly arranged on the bottom wall of the right end of the operation cavity 11 from front to back, an electric lifting rod 43 is arranged in each lifting rod groove 44, fixed electric clamping jaws 51 which are positioned on the upper sides of the lifting rod grooves 44 are symmetrically and longitudinally arranged at the right end of the operation cavity 11, a positioning frame 19 which is positioned between the lifting rod grooves 44 on the front side and the back side is fixedly arranged on the top wall of the operation cavity 11, a movable electric clamping jaw 64 is dynamically arranged at one end of the fixed electric clamping jaw 51 which is far away, one end of the connecting slide rod 52 far away from the positioning frame 19 is fixedly provided with a baffle plate 45, the baffle plate 45 is arranged in the baffle plate sliding groove 49 and is in sliding connection with the baffle plate sliding groove, the baffle slide groove 49 is arranged in the electric slide block 48, the electric slide block 48 is arranged in the electric slide block slide groove 34 and is connected with the electric slide block slide groove, the end wall of the electric slide block sliding groove 34 far away from the positioning frame 19 is provided with electric guide rails 35 in an up-and-down symmetrical manner, the electric guide rail 35 is in power connection with one end of the electric slide block 48 far away from the positioning frame 19, a push rod through groove 65 with an opening facing away from the positioning frame 19 is fixedly arranged on the end wall of the baffle sliding groove 49 far away from the positioning frame 19, the push rod through groove 65 is connected with the push rod 40 in a sliding mode, the end face, far away from the positioning frame 19, of the push rod 40 is fixedly provided with a pull rope 50, and a laser code spraying mechanism for containing and protecting a laser code spraying device when the push rod is not used is arranged on the lower side of the top end of the pull rope 50 in the front and at the back.

Beneficially, an electric telescopic rod 20 is arranged at the right end of the operation cavity 11, an end face of the baffle 45 far away from the positioning frame 19 is connected with a baffle sliding groove 49 through a baffle spring 47, one end of the push rod 40 far away from the positioning frame 19 is arranged in a push rod sliding groove 46 opening to the positioning frame 19 and is in sliding connection with the same, an end face of the push rod 40 far away from the positioning frame 19 is connected with the push rod sliding groove 46 through a push rod spring 37, one end of the push rod sliding groove 46 far away from the positioning frame 19 is fixedly provided with a push air pipe 39 with a bottom end communicated with the outside, the push air pipe 39 is in power connection with a push air pump 38, an input groove 42 opening forwards and located at the front side of the positioning frame 19 is fixedly arranged on the front end wall of the operation cavity 11, an input baffle door 41 is arranged at the front side of the input groove 42, a support block sliding groove 13 opening downwards is, the protective glue brushing mechanism is arranged in the supporting block sliding groove 13, the pressing attachment mechanism is arranged on the upper side of the supporting block sliding groove 13, an output groove 28 which is located on the front side of the supporting block sliding groove 13 and has a forward opening is fixedly arranged on the front end wall of the operation cavity 11, and an output stop door 29 is arranged at the front end of the output groove 28.

Beneficially, laser inkjet mechanism include with the front and back side 50 top fixed connection's of stay cord laser spouts a yard device 15, laser spouts a yard device 15 sets up in the decurrent yard device spout 16 of opening and rather than sliding connection, laser spout a yard device 15 top surface with spout and be connected through spouting yard device spring 21 between the yard device spout 16, laser spouts a yard device 15 top and is provided with connecting cable 22, connecting cable 22 top is provided with spouts a yard support device 23, 19 top of locating rack is fixed to be provided with and is located spout 16 downside of yard device spout and the ascending constant head tank 18 of opening, the fixed spout mouth 17 that spouts the opening to the decurrent side that is provided with of constant head tank 18 diapire.

Beneficially, the protective glue brushing mechanism comprises a supporting block 53 arranged in the supporting block sliding groove 13 and slidably connected with the supporting block, a brushing supporting block groove 55 with a downward opening is fixedly arranged at the bottom end of the supporting block 53, a brushing electric guide rail 54 is fixedly arranged on the top wall of the brushing supporting block groove 55, the brushing electric guide rail 54 is in dynamic sliding connection with the top end of a brushing supporting block 56, supporting plates 12 are symmetrically and fixedly arranged on the left and right ends of the brushing supporting block 56, a rotating roller shaft 14 is fixedly arranged between the left and right supporting plates 12, the rotating roller shaft 14 is rotatably connected with a rotating roller 57, and a protective glue extrusion providing mechanism is arranged on the rear side of the supporting block 53.

Beneficially, the pressing and attaching mechanism includes a supporting slide bar 27 fixedly arranged on the top surface of the supporting block 53, the supporting slide bar 27 is arranged in a supporting slide bar sliding groove 32 with a downward opening and is in sliding connection with the supporting slide bar sliding groove, a metal block 26 is fixedly arranged on the top surface of the supporting slide bar 27, the top surface of the supporting slide bar 27 is connected with the supporting slide bar sliding groove 32 through a supporting slide bar spring 33, a lifting air pipe 25 with a top end communicated with the outside is fixedly arranged on the top wall of the supporting slide bar sliding groove 32, and the lifting air pipe 25 is in power connection with a lifting air pump.

Beneficially, the protective glue extrusion providing mechanism comprises a supporting tube 60 fixedly arranged on the rear end face of the supporting block 53, a connecting tube 59 which is communicated with each other up and down is fixedly arranged in the supporting tube 60, an extrusion head 58 is fixedly arranged at the bottom end of the supporting tube 60, a hose 61 is fixedly arranged at the top end of the supporting tube 60, the top end of the hose 61 is fixedly connected with a protective glue storage chamber 62, a protective glue storage bag 63 is arranged in the protective glue storage chamber 62, the hose 61 is communicated with the protective glue storage bag 63, the protective glue storage chamber 62 is arranged in the extrusion chamber 30, an extrusion expansion device 31 is arranged at the top end of the extrusion chamber 30, and the metal block 26 can be connected with a circuit between the extrusion expansion device 31 and a power supply thereof.

In an initial state, the baffle spring 47 and the push rod spring 37 are in a stretched state, the code spraying device spring 21 is in a compressed state, and the support slide rod spring 33 is in a normal state;

sequence of mechanical actions of the whole device:

1. the input shutter 41 is opened, a plastic packaging bag to be sprayed with a code is pushed into the operation cavity 11 through the input slot 42, the code spraying area is adjusted to a position under the code spraying port 17, the input shutter 41 is closed, the two electric lifting rods 43 at the front side and the rear side are controlled to extend upwards, so that the two blocks at the front side and the rear side of the code spraying area of the plastic packaging bag are pushed to protrude upwards to a position between the fixed electric clamping jaw 51 and the movable electric clamping jaw 64, the fixed electric clamping jaw 51 and the movable electric clamping jaw 64 at the front side and the rear side are started, the movable electric clamping jaw 64 is controlled to move towards a direction far away from the positioning frame 19, so that the fixed electric clamping jaw 51 and the movable electric clamping jaw 64 at the front side and the rear side of the code spraying area are respectively clamped, the electric lifting rods 43 at the front side and the rear side are controlled to shrink downwards, the air pump 38 is pushed, so that the push rod 40 moves towards the direction far away from the positioning frame 19 under the reset action of the push rod spring 37, and the connecting slide rod 52, the blocking piece 45, the fixed electric clamping jaw 51 and the movable electric clamping jaw 64 move towards the direction far away from the positioning frame 19 under the reset action of the blocking piece spring 47, so that the code spraying area is pulled to be flat;

2. the push rod 40 moves in the direction far away from the positioning frame 19, so that the pull rope 50 loosens the drawing of the laser code spraying device 15, the laser code spraying device 15 moves downwards to the positioning groove 18 under the reset action of the code spraying device spring 21, the code spraying supporting device 23 and the laser code spraying device 15 are controlled to be started, code spraying is carried out on plastic packaging bags, the electric telescopic rod 20 and the front and rear electric guide rails 35 are started after code spraying is finished, and the front and rear electric sliding blocks 48 and the electric telescopic rod 20 are controlled to synchronously convey the plastic packaging bags to the left side to the lower side of the supporting block sliding groove 13 to stop;

3. starting the lifting air pump 24, controlling external air to enter the supporting slide bar sliding groove 32 through the lifting air pipe 25, so that the metal block 26, the supporting slide bar 27 and the supporting block 53 move downwards until the rotating roller 57 is attached to a sprayed code, at the moment, the metal block 26 moves to a circuit connected between the extrusion telescopic device 31 and a power supply thereof, controlling the extrusion telescopic device 31 to extend downwards, thereby extruding the protective glue storage cavity 62, extruding quantitative protective glue from the extrusion head 58 to the sprayed code to the lower side position of the rotating roller 57 through the hose 61 and the connecting pipe 59, controlling the brushing electric guide rail 54 to brush the protective glue 56, the supporting plate 12, the rotating roller shaft 14 and the rotating roller 57 to reciprocate once through brushing according to the width of the sprayed code of the laser code spraying device 15, and performing timely brushing operation on the protective glue at the sprayed code;

4. when the device needs to be reset, the metal block 26, the supporting slide rod 27 and the supporting block 53 are controlled to move upwards to the topmost position by the lifting air pump 24, the extrusion telescopic device 31 is contracted and closed, the protective adhesive storage cavity 62 is restored to the original state, the electric telescopic rod 20 is controlled to contract rightwards, the movable electric clamping jaw 64 is controlled to move towards the direction far away from the supporting slide rod 27, the plastic packaging bag is loosened, the output shutter 29 is opened after the protective adhesive is solidified after standing, the plastic packaging bag is taken out, the output shutter 29 is closed, the electric slide block 48 is controlled to move rightwards to the rightmost end position by the front-side and rear-side electric guide rails 35, the air pump 38 is controlled to be pushed, the air is pumped into the push rod chute 46 from the outside by the pushing air pipe 39, so that the push rod 40 moves towards the direction close to the positioning frame 19, and the shutter, thereby, the pulling rope 50 pulls the laser code spraying device 15 to move upwards, the air pump 38 and the front and rear electric guide rails 35 are closed and pushed, so that the moving parts stop moving, the elastic elements play a role in resetting, and the device is reset.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.