Anti-blocking dispensing nozzle structure

Abstract

The utility model discloses an anti-blocking dispensing nozzle structure which comprises a dispensing glue outlet pipe, a spiral glue conveying shaft, a cleaning scraping rod and an assembling sleeve, the spiral glue conveying shaft is arranged in the dispensing glue outlet pipe, and the top of the spiral glue conveying shaft is fixed on the inner side of the dispensing glue outlet pipe through a supporting sleeve. And the supporting sleeve has an auxiliary supporting effect on the spiral glue conveying shaft. According to the utility model, the spiral glue conveying shaft, the supporting sleeve, the driven gear, the driving gear, the transmission rod and the rotary driving mechanism are arranged and matched for use, so that the spiral glue conveying shaft can be driven to rotate, a glue material in the glue dispensing and discharging pipe can be guided and conveyed, the problem of blockage caused by solidification of the glue material in the glue dispensing and discharging pipe can be effectively prevented, and the service life of the glue dispensing and discharging pipe is prolonged. When the spiral glue conveying shaft rotates, the cleaning scraping rod connected with the spiral glue conveying shaft through the connecting rod rotates along with the spiral glue conveying shaft, the inner wall of the glue dispensing and discharging pipe can be scraped, glue adhering to the inner wall can be effectively removed, and the probability of blockage is prevented from being increased.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic product dispensing, in particular to an anti-blocking dispensing nozzle structure. Background Technique

[0002] In the production and processing of electronic devices, it is necessary to dispense and encapsulate electronic chips. The contact dispensing valve for dispensing chips in the prior art has good anti-blocking performance, and the dispensing nozzle of the contact dispensing valve is cleaner. The instant glue-breaking effect during back suction is more ideal, and the glue control is more accurate.

[0003] The anti-blocking dispensing nozzle and dispensing device disclosed in the Chinese utility model patent application publication specification CN110813651A connect the dispensing tube and the dispensing needle through threads, which is convenient to disassemble and separate the dispensing tube and the dispensing needle, and is convenient to clean and unblock the dispensing tube and the dispensing needle respectively. It is convenient to unblock the dispensing nozzle and convenient for the subsequent cleaning work of the dispensing nozzle. Moreover, for the daily dispensing work, the dispensing nozzle is of a straight-through type with good anti-blocking effect. The movement of the electric rotating table drives the flipping operation of the lifting mechanism on the rotating disc. When the lifting mechanism flips, the glue cylinder holder, the contact dispensing valve and the dispensing nozzle fixed on the lifting mechanism flip and tilt, which can dispense glue on the concave surface of the product with a special inner flanging structure. The dispensing is convenient and the use is convenient. However, the traditional dispensing tube lacks an interactive material guiding structure and an inner automatic cleaning structure inside, and the glue accumulated or adhered to the inner wall is not easy to clean, resulting in an increased probability of blockage in the dispensing tube, and it is urgent to develop. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an anti-blocking dispensing nozzle structure to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an anti-blocking dispensing nozzle structure, including a dispensing tube, a spiral glue conveying shaft, a cleaning scraper rod and a fitting sleeve. A spiral glue conveying shaft is arranged inside the dispensing tube. The top of the spiral glue conveying shaft is fixed to the inside of the dispensing tube through a support sleeve. The support sleeve plays an auxiliary supporting role for the spiral glue conveying shaft and can improve the structural strength of the spiral glue conveying shaft placed inside the dispensing tube.

[0006] One end of the spiral glue conveying shaft is connected with a driven gear. One side of the top of the driven gear is meshed with a driving gear. A transmission rod is connected inside the driving gear. The transmission rod extends to the outside of one side of the dispensing tube and is connected with a rotary driving mechanism. One side of the spiral glue conveying shaft is connected with a cleaning scraper rod through a connecting rod. The cleaning scraper rod can clean the glue adhered to the inner wall of the dispensing tube.

[0007] The bottom of the dispensing glue outlet tube is connected with a glue outlet head. The inside of the glue outlet head is connected with a glue outlet and an external thread layer. The outside of the glue outlet head is threadedly connected with a fitting sleeve through the external thread layer. The inner surface of the fitting sleeve is connected with an internal thread layer that matches the external thread layer. The bottom inside of the fitting sleeve is connected with a dispensing needle that matches the glue outlet, which facilitates the detachment of the dispensing needle, the fitting sleeve and the glue outlet head, so as to facilitate the operations of unblocking or cleaning and replacing the glue outlet head and the dispensing needle.

[0008] Preferably, the dispensing glue outlet tube includes a fixed structure and a movable structure. The movable structure can be detached separately to facilitate the cleaning or unblocking operations of the fittings inside the dispensing glue outlet tube.

[0009] Preferably, the front side and the rear side inside of the fixed structure and the movable structure are both connected with a first movable groove and a second movable groove, and the first movable groove and the second movable groove are arranged in a matching manner.

[0010] Preferably, the other side of the spiral glue conveying shaft is connected with a sleeve. A piston block is arranged inside the sleeve. One side of the piston block is connected with the inner side of the sleeve through a first spring.

[0011] Preferably, the other side of the piston block is connected with a piston rod, and the piston rod extends outside the side part of the sleeve and is connected with an interaction rod.

[0012] Preferably, a limiting block is arranged inside the first movable groove and the second movable groove, and the limiting block is connected with the inner side of the first movable groove through a second spring.

[0013] Preferably, a pressing rod and a fixing plug are connected to the limiting block. The pressing rod extends outside the fixed structure. Pressing the pressing rod can drive the limiting block to move inside the first movable groove and the second movable groove, and regulate the plugging and positioning state of the fixing plug and the fixing slot.

[0014] Preferably, a fixing slot that matches the fixing plug is connected to the side part of the second movable groove.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] (1) For this anti-blocking dispensing nozzle structure, through the setting and coordinated use of the spiral glue conveying shaft, the support sleeve, the driven gear, the driving gear, the transmission rod and the rotation driving mechanism, the spiral glue conveying shaft can be driven to rotate, so as to realize the guiding and feeding function of the glue material inside the dispensing glue outlet tube, effectively prevent the problem that the glue material is blocked due to solidification inside the dispensing glue outlet tube, and can smoothly discharge the glue through the glue outlet and the dispensing needle. When the spiral glue conveying shaft rotates, the cleaning scraping rod connected to it through the connecting rod also rotates, which can scrape the inner wall of the dispensing glue outlet tube, effectively clean the glue material adhered to the inner wall, and avoid increasing the probability of blockage;

[0017] (2) This anti-clogging dispensing nozzle structure, through the setting and combined use of the sleeve, piston block, first spring, piston rod and interaction rod, enables the interaction rod to rotate and buffer and repeat the piston action along with the piston rod due to the resilience of the first spring when rotating, playing a role in assisting the stirring of the rubber material in the dispensing outlet tube, accelerating the smooth passage of the rubber material through the dispensing outlet tube, as well as the outlet head and the dispensing needle, and speeding up the speed.

[0018] (3) This anti-clogging dispensing nozzle structure, through the setting and combined use of the first movable groove, second movable groove, limit block, second spring, pressing rod, fixed plug-in and piston block, can manually control the plugging state of the fixed plug-in and the fixed slot, facilitating the detachment of the movable structure, so as to clean and unclog the spiral rubber conveying shaft, cleaning scraping rod and interaction rod and other structures in the dispensing outlet tube. Through the setting and combined use of the external thread layer and the internal thread layer, the fitting sleeve is threadedly connected to the outlet head, facilitating the disassembly and separation of the outlet head and the fitting sleeve, and facilitating the cleaning and unclogging of the outlet head and the dispensing needle respectively, with good anti-clogging effect. Description of the Drawings

[0019] Figure 1 It is a front view structural schematic diagram of the present utility model;

[0020] Figure 2 It is the present utility model Figure 1 The enlarged structural schematic diagram at A in it;

[0021] Figure 3 It is the enlarged partial structural schematic diagram of the connection between the outlet head and the fitting sleeve of the present utility model;

[0022] Figure 4 It is the top view structural schematic diagram of the connection between the fixed structure and the movable structure of the present utility model;

[0023] Figure 5 It is the front view structural schematic diagram of the connection between the fixed structure and the movable structure of the present utility model.

[0024] In the figure: 1. Dispensing outlet tube; 101. Fixed structure; 102. Movable structure; 2. Spiral rubber conveying shaft; 3. Support sleeve; 4. Driven gear; 5. Driving gear; 6. Transmission rod; 7. Rotation driving mechanism; 8. Connecting rod; 9. Cleaning scraping rod; 10. Outlet head; 1001. Outlet; 1002. External thread layer; 11. Fitting sleeve; 1101. Internal thread layer; 12. Dispensing needle; 13. Sleeve; 14. Piston block; 15. First spring; 16. Piston rod; 17. Interaction rod; 18. First movable groove; 19. Second movable groove; 20. Limit block; 21. Second spring; 22. Pressing rod; 23. Fixed plug-in; 24. Fixed slot. Detailed Implementation Modes

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0026] Please refer to Figures 1-5 , an embodiment provided by the present utility model: an anti-blocking glue dispensing nozzle structure, including a glue dispensing outlet pipe 1, a spiral glue conveying shaft 2, a cleaning scraping rod 9 and a fitting sleeve 11. A spiral glue conveying shaft 2 is arranged inside the glue dispensing outlet pipe 1. The top of the spiral glue conveying shaft 2 is fixed to the inner side of the glue dispensing outlet pipe 1 through a support sleeve 3. One end of the spiral glue conveying shaft 2 is connected with a driven gear 4. One side of the top of the driven gear 4 is engaged and connected with a driving gear 5. A transmission rod 6 is connected inside the driving gear 5. The transmission rod 6 extends outside one side of the glue dispensing outlet pipe 1 and is connected with a rotary driving mechanism 7. The setting and coordinated use of the spiral glue conveying shaft 2, the support sleeve 3, the driven gear 4, the driving gear 5, the transmission rod 6 and the rotary driving mechanism 7 can drive the spiral glue conveying shaft 2 to rotate, realize the guiding and feeding of the glue material in the glue dispensing outlet pipe 1, effectively prevent the problem that the glue material is blocked due to solidification in the glue dispensing outlet pipe 1, and can smoothly discharge through the glue outlet 1001 and the glue dispensing needle 12;

[0027] One side of the spiral glue conveying shaft 2 is connected with a cleaning scraping rod 9 through a connecting rod 8. When the spiral glue conveying shaft 2 rotates, the cleaning scraping rod 9 connected with it through the connecting rod 8 rotates accordingly, which can scrape the inner wall of the glue dispensing outlet pipe 1 and effectively clean the glue material adhering to the inner wall;

[0028] The bottom of the glue dispensing outlet pipe 1 is connected with a glue outlet head 10. The inside of the glue outlet head 10 is connected with a glue outlet 1001 and an external thread layer 1002. The outside of the glue outlet head 10 is threadedly connected with a fitting sleeve 11 through the external thread layer 1002. The inner surface of the fitting sleeve 11 is connected with an internal thread layer 1101 matching the external thread layer 1002. The bottom inside of the fitting sleeve 11 is connected with a glue dispensing needle 12 matching the glue outlet 1001. The setting and coordinated use of the external thread layer 1002 and the internal thread layer 1101 realize the threaded connection between the fitting sleeve 11 and the glue outlet head 10, which is convenient to disassemble and separate the glue outlet head 10 from the fitting sleeve 11, and is convenient to clean and unblock the glue outlet head 10 and the glue dispensing needle 12 respectively.

[0029] The glue dispensing outlet pipe 1 includes a fixed structure 101 and a movable structure 102.

[0030] First movable grooves 18 and second movable grooves 19 are connected inside the front side and the rear side of the fixed structure 101 and the movable structure 102, and the first movable grooves 18 are arranged to match the second movable grooves 19.

[0031] On the other side of the spiral glue conveying shaft 2, a sleeve 13 is connected. Inside the sleeve 13, a piston block 14 is arranged. One side of the piston block 14 is connected to the inner side of the sleeve 13 through a first spring 15.

[0032] On the other side of the piston block 14, a piston rod 16 is connected. The piston rod 16 extends outside the side of the sleeve 13 and is connected to an interaction rod 17. The settings and coordinated use of the sleeve 13, the piston block 14, the first spring 15, the piston rod 16, and the interaction rod 17 enable the interaction rod 17 to perform a buffering repetitive piston action along with the piston rod 16 due to the resilience of the first spring 15 when rotating, playing a role in assisting the stirring of the rubber material in the dispensing rubber outlet tube 1 and accelerating the smooth passage of the rubber material through the dispensing rubber outlet tube 1, the rubber outlet head 10, and the dispensing needle 12.

[0033] Inside the first movable groove 18 and the second movable groove 19, a limiting block 20 is arranged. The limiting block 20 is connected to the inner side of the first movable groove 18 through a second spring 21. The settings and coordinated use of the first movable groove 18, the second movable groove 19, the limiting block 20, the second spring 21, the pressing rod 22, the fixed plug 23, and the piston block 14 can manually control the plugging state of the fixed plug 23 and the fixed plug slot 24, facilitating the detachment of the movable structure 102, so as to clean and unblock structures such as the spiral glue conveying shaft 2, the cleaning scraper 9, and the interaction rod 17 inside the dispensing rubber outlet tube 1.

[0034] A pressing rod 22 and a fixed plug 23 are connected to the limiting block 20. The pressing rod 22 extends outside the fixed structure 101.

[0035] On the side of the second movable groove 19, a fixed plug slot 24 matching the fixed plug 23 is connected.

[0036] When the embodiment of the present application is in use: The arrangement and cooperative use of the spiral glue conveying shaft 2, the support sleeve 3, the driven gear 4, the driving gear 5, the transmission rod 6 and the rotary driving mechanism 7 can drive the spiral glue conveying shaft 2 to rotate, realizing the function of guiding and conveying the glue material in the dispensing glue outlet pipe 1, effectively preventing the problem that the glue material is blocked due to solidification in the dispensing glue outlet pipe 1, and can smoothly discharge glue through the glue outlet 1001 and the dispensing needle 12. When the spiral glue conveying shaft 2 rotates, the cleaning scraping rod 9 connected to it through the connecting rod 8 rotates accordingly, which can scrape the inner wall of the dispensing glue outlet pipe 1 and effectively clean the glue material adhering to the inner wall. The arrangement and cooperative use of the first movable groove 18, the second movable groove 19, the limiting block 20, the second spring 21, the pressing rod 22, the fixed plug-in 23 and the piston block 14 can manually control the plugging state of the fixed plug-in 23 and the fixed slot 24, facilitating the detachment of the moving structure 102, so as to facilitate the cleaning and blockage removal of the structures such as the spiral glue conveying shaft 2, the cleaning scraping rod 9 and the interaction rod 17 in the dispensing glue outlet pipe 1. Through the arrangement and cooperative use of the external thread layer 1002 and the internal thread layer 1101, the fitting sleeve 11 is threadedly connected to the glue outlet head 10, facilitating the disassembly and separation of the glue outlet head 10 and the fitting sleeve 11, and facilitating the cleaning and blockage removal of the glue outlet head 10 and the dispensing needle 12 respectively.

[0037] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An anti-clogging glue spraying nozzle structure, characterized in that, It includes a dispensing glue outlet tube (1), a spiral glue conveying shaft (2), a cleaning scraper rod (9) and a fitting sleeve (11). Inside the dispensing glue outlet tube (1), there is a spiral glue conveying shaft (2). The top of the spiral glue conveying shaft (2) is fixed to the inner side of the dispensing glue outlet tube (1) through a support sleeve (3). One end of the spiral glue conveying shaft (2) is connected with a driven gear (4). On one side of the top of the driven gear (4), there is a meshing connection with a driving gear (5). Inside the driving gear (5), there is a transmission rod (6). The transmission rod (6) extends outside the side of the dispensing glue outlet tube (1) and is connected with a rotary driving mechanism (7). On one side of the spiral glue conveying shaft (2), there is a connection with a cleaning scraper rod (9) through a connecting rod (8). The bottom of the dispensing glue outlet tube (1) is connected with a glue outlet head (10). Inside the glue outlet head (10), there are a glue outlet (1001) and an external thread layer (1002). The external part of the glue outlet head (10) is threadedly connected with a fitting sleeve (11) through the external thread layer (1002). The inner surface of the fitting sleeve (11) is connected with an internal thread layer (1101) that matches the external thread layer (1002). Inside the bottom of the fitting sleeve (11), there is a connection with a dispensing needle (12) that matches the glue outlet (1001).

2. The anti-clogging glue injection nozzle structure according to claim 1, characterized in that: The dispensing glue outlet tube (1) includes a fixed structure (101) and a movable structure (102).

3. The anti-clogging glue jetting nozzle structure according to claim 2, wherein: Inside the front side and the rear side of the fixed structure (101) and the movable structure (102), there are connected with a first movable groove (18) and a second movable groove (19). The first movable groove (18) and the second movable groove (19) are arranged in a matching way.

4. The anti-clogging glue injection nozzle structure according to claim 1, characterized in that: On the other side of the spiral glue conveying shaft (2), there is a connection with a sleeve (13). Inside the sleeve (13), there is a piston block (14). One side of the piston block (14) is connected with the inner side of the sleeve (13) through a first spring (15).

5. The anti-clogging glue injection nozzle structure according to claim 4, characterized in that: On the other side of the piston block (14), there is a connection with a piston rod (16). The piston rod (16) extends outside the side part of the sleeve (13) and is connected with an interaction rod (17).

6. The anti-clogging glue injection nozzle structure according to claim 3, characterized in that: Inside the first movable groove (18) and the second movable groove (19), there is a limit block (20). The limit block (20) is connected with the inner side of the first movable groove (18) through a second spring (21).

7. The anti-clogging glue injection nozzle structure according to claim 6, characterized in that: Connected to the limit block (20) are a pressing rod (22) and a fixing plug-in (23). The pressing rod (22) extends outside the fixed structure (101).

8. The anti-blocking glue injection nozzle structure according to claim 3, characterized in that: On the side part of the second movable groove (19), there is a connection with a fixing slot (24) that matches the fixing plug-in (23).

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