Continuous full-automatic glue sprayer

By designing a continuous fully automatic glue sprayer, the synergistic effect of hydraulic telescopic machine, transverse motor and lifting motor is used to realize the automation of material loading and glue spraying processes, solving the accuracy, stability and solidification problems of traditional glue sprayers, and improving production efficiency and product quality.

CN119869846AInactive Publication Date: 2025-04-25DONGTAI KECHUANG MASCH IND CO LTD
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Patent Information

Application Number
CN202411778785.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-04-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional glue sprayers have many challenges in material loading and fixing, glue spraying accuracy and stability, glue solidification and cleaning processes, resulting in low efficiency, unstable product quality and high labor intensity.

Method used

A continuous fully automatic glue spraying machine is designed, which adopts the synergy between hydraulic telescopic machine, transverse motor and lifting motor to realize the automatic control of material loading and glue spraying process. The machine ensures the precise movement and positioning of the rubber spray head in the three-dimensional space through the first slide rail, the second slide rail, the transverse slide rod and the lifting block. The machine is equipped with a scraping structure and a protective cover to prevent the residual glue from affecting the quality of the rubber spraying, and realizes intelligent temperature control through the heater to avoid glue solidification.

Benefits of technology

The material loading and glue spraying process is automated, production efficiency is improved, manual intervention is reduced, the glue spraying quality is ensured, the service life of the glue spraying head is extended, and glue solidification is avoided, which improves the overall production efficiency and product quality.

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Abstract

The continuous full-automatic glue sprayer comprises a base, an extension table is fixedly connected to one side of the base, a fixing part is fixedly connected to one end of the extension table, a hydraulic telescopic machine is fixed to the left side of the fixing part through a bolt, and a second sliding rail is fixedly connected to the top of the extension table; a push plate is arranged on the second sliding rail in a sliding mode, a sliding strip matched with the second sliding rail is arranged at the bottom of the push plate, one end of the push plate is connected with the telescopic end of a hydraulic telescopic machine, mounting frames which are symmetrically distributed are fixed to the extension table through bolts, and limiting frames are fixed to the mounting frames through bolts; the limiting frame is located over the push plate. The problems that a traditional glue sprayer often needs a large amount of manual operation during material feeding and fixing, efficiency is low, and errors are prone to occurring are solved; the product quality and the production efficiency are directly influenced by insufficient precision and stability in the glue spraying process; the solidification problem of the glue on the glue spraying head is difficult to avoid, and the cleaning process is tedious.
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Description

Technical Field

[0001] The invention mainly relates to the technical field of glue spraying machines, in particular to a continuous fully automatic glue spraying machine. Background Art

[0002] Traditional glue spraying machines face many challenges in material handling, glue spraying accuracy, glue management, equipment adaptability, energy consumption and environmental protection. Specifically, material loading and fixing often require a lot of manual operations, which are inefficient and prone to errors; the accuracy and stability during the glue spraying process are insufficient, which directly affects product quality and production efficiency; the problem of glue solidification on the glue spraying head is difficult to avoid, and the cleaning process is cumbersome. Summary of the invention

[0003] The technical solution of the present invention aims at the technical problem that the existing technical solutions are too single, and provides a solution that is significantly different from the existing technologies. It mainly provides a continuous fully automatic glue spraying machine to solve the problems mentioned in the above background technology that material loading and fixing often require a lot of manual operation, are inefficient and prone to errors; the accuracy and stability are insufficient during the glue spraying process, which directly affects product quality and production efficiency; the problem of glue solidification on the glue spraying head is difficult to avoid, and the cleaning process is cumbersome.

[0004] The technical solution adopted by the present invention to solve the above technical problems is: a continuous fully automatic glue spraying machine, comprising a base, one side of the base is fixedly connected to an extension platform, one end of the extension platform is fixedly connected to a fixing piece, a hydraulic telescopic machine is fixedly fixed to the left bolt of the fixing piece, a second slide rail is fixedly connected to the top of the extension platform, a push plate is slidably arranged on the second slide rail, a slide bar adapted to the second slide rail is arranged at the bottom of the push plate, one end of the push plate is connected to the telescopic end of the hydraulic telescopic machine, a symmetrically distributed mounting frame is bolted to the extension platform, a limit frame is bolted to the mounting frame, and the limit frame is located directly above the push plate; The base is fixedly connected to a first slide rail which is symmetrically distributed, a support plate is slidably arranged on the first slide rail, a connecting frame is arranged between the support plates, a transverse sliding rod is arranged in the connecting frame, a lifting block is slidably arranged on the transverse sliding rod, a glue spraying head is fixedly connected to the outer side of the lifting block, a protective cover is threadedly connected to the bottom of the glue spraying head, movable parts are fixedly connected to the outer walls of both sides of the protective cover, a glue scraping structure is rotatably arranged on the movable part, one end of the glue scraping structure is arranged in the protective cover, and the residual glue on the glue spraying head is scraped off by pulling down.

[0005] Preferably, a material discharge trough is provided on the base, the material discharge trough is inclined, and the inner wall of the material discharge trough is rotatably provided with material discharge rollers distributed in an array.

[0006] Preferably, the push plate is provided with a material placing groove, the material placing groove is the same size as the inner wall of the limit frame, one side inner wall of the material placing groove is provided with symmetrically distributed movable grooves, a limit frame is fixedly connected to the base, and the limit frame is rotatably provided with symmetrically distributed ratchets, which are adapted to the movable grooves.

[0007] Preferably, a transverse motor is disposed on the outer wall of one of the support plates, an output end of the transverse motor is connected to the transverse sliding rod, and a lifting motor is disposed on the top of the lifting block.

[0008] Preferably, the glue scraping structure includes a first push rod, a scraper, a driving push rod, a second push rod and a pulling end, one end of the first push rod is slidably set in a protective cover, and a scraper is fixedly connected to the end of the first push rod, and the scraper is in contact with the outer wall of the glue spray needle tube of the glue spray head. The driving push rod is rotatably set on a movable part, and the bottom of the driving push rod is rotatably connected to the first push rod.

[0009] Preferably, the other end of the driving push rod is rotatably connected to a second push rod, the second push rod is slidably arranged in the protective cover, and its end is fixedly connected to a pulling end, a tension spring is arranged on one side of the pulling end, and the other end of the tension spring is connected to the inner wall of the protective cover.

[0010] Preferably, a threaded end is provided at the connection between the glue spray head and the protective cover, a threaded groove is provided on the top inner wall of the protective cover, the threaded groove is meshed with the external thread, and the bottom of the threaded end is fixedly connected with symmetrically distributed push blocks, which are in extrusion contact with the pulling end.

[0011] Preferably, the outer wall of the protective cover is fixedly connected to a heater, the inner wall of the protective cover is provided with a heating end, the heating end is electrically connected to the heater, a through hole is opened at the bottom of the protective cover, the bottom of the protective cover is fixedly connected with symmetrically distributed connecting pieces, a driving rod is rotatably provided on the connecting piece, the end of the driving rod is rotatably connected to a rotating plate, and the inner wall of the rotating plate is fixedly connected to a trigger rod.

[0012] Preferably, a trigger is fixedly connected to one side of the bottom of the protective cover, the trigger is in contact and fit with the trigger rod, one side of the trigger is electrically connected to a conduction wire, and the other end of the conduction wire is electrically connected to the heater.

[0013] Preferably, a connecting block is fixedly connected to the inner wall of the bottom of the protective cover, a first connecting rod is provided on one side of the connecting block, one end of the first connecting rod is rotatably connected to a second connecting rod, and the second connecting rod is connected to the inner wall of the rotating plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: through the synergistic effect of the hydraulic telescopic machine, the lateral movement motor and the lifting motor, the material loading and glue spraying process are automatically controlled, the production efficiency is greatly improved, the manual intervention is reduced, and the labor intensity is reduced. The first slide rail, the second slide rail, the lateral movement slide bar and the lifting block are used to ensure the precise movement and positioning of the glue spraying head in three-dimensional space, thereby achieving accurate glue spraying on the workpiece surface and improving the glue spraying quality. By setting the scraping structure and the protective cover, the scraping structure can scrape the residual glue on the glue spraying head during the removal of the protective cover, thereby preventing the residual glue from affecting the subsequent glue spraying quality. At the same time, the protective cover can also protect the glue spraying head and extend its service life. Through the cooperation of the heater, the heating end and the trigger, the intelligent temperature control of the environment around the glue spraying head is realized, ensuring that the glue does not solidify during the glue spraying process, and further improving the glue spraying effect. The glue spraying head and the protective cover are threadedly connected, which is convenient for disassembly and replacement.

[0015] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention; Figure 2 It is a three-dimensional schematic diagram of another preferred angle of the overall structure of the present invention; Figure 3 It is a schematic diagram of the continuous feeding structure of the present invention; Figure 4 It is a schematic diagram of the push plate structure of the present invention; Figure 5 for Figure 2 A magnified view of the structure at A; Figure 6 It is a schematic diagram of the structure of the protective cover of the glue spray head of the present invention; Figure 7 It is a side view of the protective cover structure of the present invention; Figure 8 This is a front view of the protective cover structure of the present invention.

[0017] Markings in the figure: 1-base, 101-extension table, 102-feeding trough, 103-feeding roller, 2-first slide rail, 3-support plate, 4-transverse slide bar, 5-lifting block, 6-glue spray head, 601-push block, 7-protective cover, 701-movable part, 702-trigger, 703-connecting part, 704-thread groove, 8-mounting frame, 9-limiting frame, 10-fixed part, 11-hydraulic telescopic machine, 12-push plate, 1201-feeding trough, 1 202-movable slot, 13-transverse motor, 14-lifting motor, 15-second slide rail, 16-limiting frame, 17-ratchet, 18-turn plate, 1801-trigger rod, 19-heater, 20-conduction wire, 21-driving rod, 22-heating end, 23-connecting block, 24-first connecting rod, 25-second connecting rod, 26-first push rod, 2601-scraper, 27-driving push rod, 28-second push rod, 29-pulling end, 30-tension spring. DETAILED DESCRIPTION

[0018] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0019] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0021] See also Figure 1-8, a continuous fully automatic glue spraying machine, including a base 1, one side of the base 1 is fixedly connected with an extension platform 101, one end of the extension platform 101 is fixedly connected with a fixing member 10, the left side of the fixing member 10 is bolted with a hydraulic telescopic machine 11, the top of the extension platform 101 is fixedly connected with a second slide rail 15, a push plate 12 is slidably arranged on the second slide rail 15, the bottom of the push plate 12 is provided with a slide bar adapted to the second slide rail 15, to ensure that the push plate 12 can slide smoothly on the second slide rail 15, one end of the push plate 12 is connected to the telescopic end of the hydraulic telescopic machine 11, when the hydraulic telescopic machine 11 is working, the push plate 12 is pushed to slide along the second slide rail 15, and the material is pushed to the glue spraying area, the extension platform 101 is bolted with a symmetrically distributed mounting frame 8, the mounting frame 8 is bolted with a limit frame 9, the limit frame 9 is located directly above the push plate 12, and the limit frame 9 is used to prevent the material from sliding and limit the movement range of the material; A symmetrically distributed first slide rail 2 is fixedly connected to the base 1, a support plate 3 is slidably arranged on the first slide rail 2, a connecting frame is arranged between the support plates 3, a transverse slide rod 4 is arranged in the connecting frame, a lifting block 5 is slidably arranged on the transverse slide rod 4, a glue spray head 6 is fixedly connected to the outer side of the lifting block 5, a protective cover 7 is threadedly connected to the bottom of the glue spray head 6, and movable parts 701 are fixedly connected to the outer walls of both sides of the protective cover 7, a glue scraping structure is rotatably arranged on the movable part 701, one end of the glue scraping structure is arranged in the protective cover 7, and the residual glue on the glue spray head 6 is scraped off by pulling it down.

[0022] See also Figure 1 and Figure 2 A material discharge trough 102 is provided on the base 1, and the material discharge trough 102 is inclined. The inner wall of the material discharge trough 102 is rotatably provided with material discharge rollers 103 distributed in an array, and the material discharge rollers 103 are used to assist the material entering the material discharge trough 102 to be discharged smoothly.

[0023] See also Figure 4 A material placing groove 1201 is provided on the push plate 12. The material placing groove 1201 has the same size as the inner wall of the limit frame 9. The material placing groove 1201 is used to place the material to be sprayed. A symmetrically distributed movable groove 1202 is provided on the inner wall of one side of the material placing groove 1201. A limit frame 16 is fixedly connected to the base 1. A symmetrically distributed ratchet 17 is rotatably provided on the limit frame 16. The ratchet 17 is adapted to the movable groove 1202. After the ratchet 17 is placed in the movable groove 1202, the sprayed material can be pushed down from the material placing groove 1201 while the push plate 12 is reset, and the pushed down material will be discharged through the discharge chute 102.

[0024] See also Figure 1 and Figure 2A transverse motor 13 is arranged on the outer wall of one of the support plates 3. The output end of the transverse motor 13 is connected to the transverse slide bar 4 and controls the lifting block 5 to drive the glue spray head 6 to move horizontally left and right. A lifting motor 14 is arranged on the top of the lifting block 5. The lifting motor 14 can control the lifting block 5 to move up and down, so that the lifting block 5 controls the movement of the glue spray head 6 in the vertical direction.

[0025] See also Figure 6 and Figure 8 The glue scraping structure includes a first push rod 26, a scraper 2601, a driving push rod 27, a second push rod 28 and a pulling end 29. One end of the first push rod 26 is slidably set in the protective cover 7, and its end is fixedly connected with the scraper 2601. The scraper 2601 contacts the outer wall of the glue spraying needle tube of the glue spraying head 6. The driving push rod 27 is rotatably set on the movable part 701, and the bottom of the driving push rod 27 is rotatably connected to the first push rod 26.

[0026] The other end of the driving push rod 27 is rotatably connected to the second push rod 28, which is slidably set in the protective cover 7, and its end is fixedly connected to the pulling end 29, and a tension spring 30 is set on one side of the pulling end 29, and the other end of the tension spring 30 is connected to the inner wall of the protective cover 7.

[0027] A threaded end is provided at the connection between the glue spray head 6 and the protective cover 7. A threaded groove 704 is provided on the top inner wall of the protective cover 7. The threaded groove 704 meshes with the external thread. A symmetrically distributed push block 601 is fixedly connected to the bottom of the threaded end. The push block 601 is squeezed and contacted with the pulling end 29. When the protective cover 7 is removed, the engagement between the threaded end and the threaded groove 704 is released, and then the push block 601 releases the squeezing of the pulling end 29, so that the rebound of the tension spring 30 pushes the second push rod 28 outward. While the second push rod 28 pushes, the driving push rod 27 drives the first push rod 26 and the scraper 2601 to move inward, so that the scraper 2601 contacts the glue spray needle of the glue spray head 6. Then, through the inertia of removing the protective cover 7 downward, the scraper 2601 scrapes off the residual glue on the glue spray head 6. At the same time, the protective cover 7 can also protect the glue spray head 6 to prevent dust and impurities from entering, thereby extending its service life.

[0028] See also Figure 6 and 7 The outer wall of the protective cover 7 is fixedly connected to the heater 19, the inner wall of the protective cover 7 is provided with a heating end 22, the heating end 22 is electrically connected to the heater 19, a through hole is opened at the bottom of the protective cover 7, the bottom of the protective cover 7 is fixedly connected to symmetrically distributed connecting pieces 703, a driving rod 21 is rotatably provided on the connecting piece 703, the end of the driving rod 21 is rotatably connected to the rotating plate 18, and the inner wall of the rotating plate 18 is fixedly connected to the trigger rod 1801.

[0029] A trigger 702 is fixedly connected to one side of the bottom of the protective cover 7 , and the trigger 702 is in contact with and adapted to the trigger rod 1801 . A conductive wire 20 is electrically connected to one side of the trigger 702 , and the other end of the conductive wire 20 is electrically connected to the heater 19 .

[0030] The inner wall at the bottom of the protective cover 7 is fixedly connected with a connecting block 23, and a first connecting rod 24 is provided on one side of the connecting block 23. One end of the first connecting rod 24 is rotatably connected with a second connecting rod 25, and the second connecting rod 25 is connected to the inner wall of the rotating plate 18. The glue spraying needle of the glue spraying head 6 can be extended, and at the same time, it is pushed against the rotating plate 18. Then, the rotating plate 18 is deformed vertically through the cooperation of the first connecting rod 24, the second connecting rod 25 and the driving rod 21. Then, after the deformation, the trigger rod 1801 on the inner wall of the rotating plate 18 contacts the trigger 702. After being triggered, the trigger 702 conducts through the conduction line 20 to start the heater 19. Then, the heater 19 heats the glue spraying needle through the heating end 22 to ensure that the glue maintains a suitable temperature during the spraying process to avoid solidification.

[0031] The specific operation process of the utility model is as follows: the material to be sprayed is placed in the limit frame 9, and then the material at the bottom enters the material trough 1201, and then the hydraulic telescopic machine 11 is started, and its telescopic end pushes the push plate 12 to slide along the second slide rail 15, and pushes the material to the glue spraying area, and the lifting block 5 is controlled by the transverse motor 13 to drive the glue spraying head 6 to move in the horizontal direction, and the lifting motor 14 is used to control the movement of the glue spraying head 6 in the vertical direction to carry out the spraying work, and the glue spraying system is started. The glue spraying head 6 extends downward, and then the rotating plate 18 is triggered. The rotating plate 18 is deformed vertically through the cooperation of the first connecting rod 24, the second connecting rod 25 and the driving rod 21. Then, the trigger rod 1801 on the inner wall of the rotating plate 18 contacts the trigger 702 after deformation. After being triggered, the trigger 702 conducts through the conduction line 20 to start the heater 19, and then the heater 19 heats the glue spraying needle through the heating end 22, and then the glue spraying head 6 starts to spray glue, and the glue spraying is completed. After the protective cover 7 is completed, the threaded connection between the protective cover 7 and the glue spray head 6 is released, and the protective cover 7 is removed downwards. During the removal process, the threaded end is released from the meshing with the thread groove 704, and then the push block 601 releases the extrusion pulling end 29, so that the rebound of the tension spring 30 pushes the second push rod 28 outwards. While the second push rod 28 pushes, the driving push rod 27 is operated to drive the first push rod 26 and the scraper 2601 to move inwards, so that the scraper 2601 contacts the glue spray needle of the glue spray head 6, and then the protective cover 7 is removed downwards. The inertia of the protective cover 7 causes the scraper 2601 to scrape off the residual glue on the glue spraying head 6, and then the push plate 12 is reset under the action of the hydraulic telescopic machine 11. Due to the cooperation between the pawl 17 and the movable groove 1202, the pawl 17 pushes the sprayed material from the material loading trough 1201 through the movable groove 1202, and then the material is pushed down into the unloading trough 102, and then the unloading roller 103 in the unloading trough 102 assists in unloading. After the reset, the push plate 12 resumes the pushing and spraying work.

[0032] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A continuous fully automatic glue spraying machine, characterized in that: The invention comprises a base (1), one side of the base (1) is fixedly connected to an extension platform (101), one end of the extension platform (101) is fixedly connected to a fixing member (10), a hydraulic telescopic machine (11) is bolted to the left side of the fixing member (10), the top of the extension platform (101) is fixedly connected to a second slide rail (15), a push plate (12) is slidably arranged on the second slide rail (15), a slide bar matching the second slide rail (15) is arranged at the bottom of the push plate (12), one end of the push plate (12) is connected to the telescopic end of the hydraulic telescopic machine (11), a symmetrically distributed mounting frame (8) is bolted to the extension platform (101), a limit frame (9) is bolted to the mounting frame (8), and the limit frame (9) is located directly above the push plate (12); The base (1) is fixedly connected to a symmetrically distributed first slide rail (2), a support plate (3) is slidably arranged on the first slide rail (2), a connecting frame is arranged between the support plates (3), a transverse sliding rod (4) is arranged inside the connecting frame, a lifting block (5) is slidably arranged on the transverse sliding rod (4), a glue spraying head (6) is fixedly connected to the outer side of the lifting block (5), a protective cover (7) is threadedly connected to the bottom of the glue spraying head (6), and a movable part (701) is fixedly connected to the outer walls of both sides of the protective cover (7), and a glue scraping structure is rotatably arranged on the movable part (701), one end of the glue scraping structure is arranged inside the protective cover (7), and the residual glue on the glue spraying head (6) is scraped off by pulling it down.

2. A continuous fully automatic glue spraying machine according to claim 1, characterized in that: The base (1) is provided with a material discharge trough (102), the material discharge trough (102) is inclined, and the inner wall of the material discharge trough (102) is rotatably provided with material discharge rollers (103) distributed in an array.

3. The continuous fully automatic glue spraying machine according to claim 1, characterized in that: The push plate (12) is provided with a material placement groove (1201), the material placement groove (1201) having the same size as the inner wall of the limit frame (9), one side inner wall of the material placement groove (1201) is provided with symmetrically distributed movable grooves (1202), the base (1) is fixedly connected to a limit frame (16), the limit frame (16) is rotatably provided with symmetrically distributed ratchet claws (17), the ratchet claws (17) being adapted to the movable grooves (1202).

4. The continuous fully automatic glue spraying machine according to claim 1, characterized in that: A transverse motor (13) is provided on the outer wall of one of the support plates (3), an output end of the transverse motor (13) is connected to the transverse sliding rod (4), and a lifting motor (14) is provided on the top of the lifting block (5).

5. The continuous fully automatic glue spraying machine according to claim 1, characterized in that: The glue scraping structure comprises a first push rod (26), a scraper (2601), a driving push rod (27), a second push rod (28) and a pulling end (29); one end of the first push rod (26) is slidably arranged in the protective cover (7); the end of the first push rod (26) is fixedly connected to the scraper (2601); the scraper (2601) is in contact with the outer wall of the glue spraying needle tube of the glue spraying head (6); the driving push rod (27) is rotatably arranged on the movable part (701); the bottom of the driving push rod (27) is rotatably connected to the first push rod (26).

6. A continuous fully automatic glue spraying machine according to claim 5, characterized in that: The other end of the driving push rod (27) is rotatably connected to a second push rod (28), the second push rod (28) is slidably arranged in the protective cover (7), and the end of the second push rod is fixedly connected to a pulling end (29), a tension spring (30) is arranged on one side of the pulling end (29), and the other end of the tension spring (30) is connected to the inner wall of the protective cover (7).

7. The continuous fully automatic glue spraying machine according to claim 1, characterized in that: A threaded end is provided at the connection between the glue spray head (6) and the protective cover (7); a threaded groove (704) is provided on the top inner wall of the protective cover (7); the threaded groove (704) is meshed with the external thread; and symmetrically distributed push blocks (601) are fixedly connected to the bottom of the threaded end; the push blocks (601) are in extrusion contact with the pulling end (29).

8. The continuous fully automatic glue spraying machine according to claim 1, characterized in that: The outer wall of the protective cover (7) is fixedly connected to a heater (19), the inner wall of the protective cover (7) is provided with a heating end (22), the heating end (22) being electrically connected to the heater (19), the bottom of the protective cover (7) is provided with a through hole, the bottom of the protective cover (7) is fixedly connected to symmetrically distributed connecting pieces (703), a driving rod (21) is rotatably provided on the connecting piece (703), the end of the driving rod (21) is rotatably connected to a rotating plate (18), and the inner wall of the rotating plate (18) is fixedly connected to a trigger rod (1801).

9. The continuous fully automatic glue spraying machine according to claim 8, characterized in that: A trigger (702) is fixedly connected to one side of the bottom of the protective cover (7), the trigger (702) is in contact with and adapted to the trigger rod (1801), one side of the trigger (702) is electrically connected to a conductive wire (20), and the other end of the conductive wire (20) is electrically connected to the heater (19).

10. The continuous fully automatic glue spraying machine according to claim 9, characterized in that: A connecting block (23) is fixedly connected to the inner wall of the bottom of the protective cover (7), a first connecting rod (24) is provided on one side of the connecting block (23), one end of the first connecting rod (24) is rotatably connected to a second connecting rod (25), and the second connecting rod (25) is connected to the inner wall of the rotating plate (18).