Manual dispenser with scraping structure

Abstract

The utility model relates to a point gum machine technical field discloses a kind of manual point gum machines with scraping structure, comprising: seal head, the input end of seal head is connected with the point gum controller for controlling the outflow of gas by gas pipe, the bottom side of seal head is equipped with the point gum cylinder of storage glue by embedding assembly installation, the bottom side middle end of seal head is fixedly connected with gas pipe, the inside of point gum cylinder is provided with the wall scraping ring for scraping the glue of residual, the wall scraping ring is displaced downward by the propulsion component of receiving airflow to promote gas pipe, and then the wall scraping ring is synchronously scraped in point gum cylinder inner wall by displacement when carrying out point gum.This utility model, with the glue of residual on the inner wall of point gum cylinder is scraped down while point gum, so that it is mixed into glue again, avoid solidification caused by long time adhesion on inner wall, so as to reduce waste, reduce point gum cost.

Description

Technical Field

[0001] This utility model relates to the field of dispensing machine technology, and in particular to a manual dispensing machine with a scraping structure. Background Technology

[0002] In industrial production, dispensing machines are needed in many places, such as integrated circuits and semiconductor packaging. This dispensing process can be carried out by a manual dispensing machine. The manual dispensing machine generally uses a dispensing controller to send compressed air into the dispensing cylinder, press the glue into the feed tube, and make the glue come out from the needle. Then, the person dispensing the glue onto the product.

[0003] However, in scenarios involving small-batch, high-frequency use, there is a problem that the adhesive purchased from the manufacturer cannot be used up in a single batch. It needs to be dispensed into several dispensing syringes to suit single-use applications. However, when using these dispensing syringes for dispensing operations, the original syringe adapter sealing head may malfunction due to air pressure issues, resulting in excessive residual adhesive on the inner wall of the syringe and increased dispensing costs. Therefore, a manual dispensing machine with a scraping structure is needed for dispensing adhesives (such as conductive adhesives). Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a manual dispensing machine with a scraping structure. This invention aims to solve the problem that in existing technologies, during the dispensing process, adhesive residue remains on the inner wall of the dispensing cylinder, resulting in high adhesive costs, difficulty in recycling the residual adhesive, waste, and increased dispensing costs.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A manual dispensing machine with a scraping mechanism, comprising: A sealing head is provided, the input end of which is connected to a dispensing controller for controlling air output via an air supply pipe. A dispensing cylinder for storing adhesive is installed on the bottom side of the sealing head via an embedded component. An air outlet pipe is fixedly connected to the middle of the bottom side of the sealing head. A scraping ring for scraping off residual adhesive is provided inside the dispensing cylinder. The air outlet pipe pushes the scraping ring downward by a propulsion component that receives airflow, so that the inner wall of the dispensing cylinder is scraped synchronously by the displaced scraping ring during dispensing. The sliding seat has two parts, which are fixedly connected to the top two ends of the sealing head. The inner wall of the sliding seat is connected to a rotating arm through a sliding assembly. One end of the rotating arm is fixed on the sliding seat by a locking assembly, and the other end of the rotating arm is equipped with an unfolding bracket.

[0006] Furthermore, the embedding assembly includes two embedding seats that are fixedly connected to both ends of the bottom side of the sealing head, the opening directions of the two embedding seats are opposite, and the top outer wall of the dispensing tube is fixedly connected to the embedding head, both ends of the embedding head being embedded inside the embedding seat.

[0007] Furthermore, the propulsion assembly includes an inflatable airbag fixedly connected to the bottom side of the air outlet pipe. The inner wall of the air outlet pipe is provided with a diversion guide groove. The bottom end of the diversion guide groove is connected to the air inlet of the inflatable airbag through a diversion pipe. The bottom side of the inflatable airbag is fixedly connected to the top side of the wall scraping ring.

[0008] Furthermore, the sliding assembly includes a sliding groove formed in the inner wall of the sliding seat, and sliding protrusions are fixedly connected to both sides of one end of the rotating arm, the sliding protrusions being slidably connected inside the sliding groove.

[0009] Furthermore, the engaging assembly includes a engaging seat fixedly connected to the front side of the sliding seat, and a engaging connector fixedly connected to one end of the rotating arm. Both sides of the engaging connector are engaged with the inner wall of the engaging seat.

[0010] Furthermore, the unfolding stand includes a second rotating arm, one end of which is connected to the other end of a first rotating arm via a damping shaft, and the other end of the second rotating arm is connected to a support foot via a damping shaft. A support bar for abutting against the second rotating arm is rotatably connected to one side of the support foot.

[0011] Furthermore, it also includes a dispensing replacement needle for dispensing, the tip of which is threadedly connected to the bottom side of the dispensing cylinder for easy replacement.

[0012] Furthermore, a limiting angle bracket is fixedly connected to the bottom rear end of the sliding seat to limit the rotation angle of the first rotating arm after it is unfolded.

[0013] This utility model has the following beneficial effects: 1. In this utility model, the residual adhesive on the inner wall of the dispensing cylinder is scraped off during dispensing and remixed into the adhesive, which avoids the adhesive from hardening on the inner wall for a long time and becoming unrecyclable, thereby reducing waste and lowering dispensing costs.

[0014] 2. In this utility model, the integrated design of the placement rack and the sealing head provides a placement area for drying and storage after the glue is applied, during the cleaning and idle process. The ability to freely store and unfold the device greatly improves the flexibility of the design. Attached Figure Description

[0015] Figure 1This is a perspective view of a manual dispensing machine with a scraping structure proposed in this utility model; Figure 2 This is a schematic diagram of the dispensing cylinder of a manual dispensing machine with a scraping structure proposed in this utility model; Figure 3 This is a schematic diagram of the embedded head of a manual dispensing machine with a scraping structure proposed in this utility model; Figure 4 This is a schematic diagram of the connection structure of a glue dispensing replacement needle for a manual dispensing machine with a scraping structure proposed in this utility model. Figure 5 This is a schematic diagram showing the position of the expansion air bladder in a manual dispensing machine with a scraping structure proposed in this utility model. Figure 6 This is a schematic diagram of the air outlet pipe of a manual dispensing machine with a scraping structure proposed in this utility model; Figure 7 This is a structural diagram of the sliding seat of a manual dispensing machine with a scraping structure proposed in this utility model; Figure 8 This is a schematic diagram showing the unfolded legs of a manual dispensing machine with a scraping structure proposed in this utility model.

[0016] Legend: 1. Dispensing controller; 2. Sealing head; 3. Dispensing tube; 4. Embedding seat; 5. Embedding head; 6. Dispensing needle replacement; 7. Air outlet tube; 8. Diverting guide groove; 9. Diverting tube; 10. Inflatable airbag; 11. Scraping ring; 12. Sliding seat; 13. Rotating arm one; 14. Rotating arm two; 15. Support foot; 16. Sliding protrusion; 17. Snap-fit ​​seat; 18. Snap-fit ​​connector; 19. Support bar; 20. Limiting angle bracket. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] One embodiment of this utility model provides: a manual dispensing machine with a scraping structure, comprising: Reference Figures 1-3The sealing head 2 has an input end connected to a dispensing controller 1 for controlling air output via an air supply pipe. A dispensing cylinder 3 for storing adhesive is installed on the bottom side of the sealing head 2 via an embedded assembly. An air outlet pipe 7 is fixedly connected to the middle of the bottom side of the sealing head 2. A scraping ring 11 for scraping off residual adhesive is provided inside the dispensing cylinder 3. The air outlet pipe 7 pushes the scraping ring 11 downward by a propulsion assembly that receives airflow. Thus, during dispensing, the displaced scraping ring 11 synchronously scrapes the inner wall of the dispensing cylinder 3. The embedded assembly includes two embedded seats 4 fixedly connected to the two ends of the bottom side of the sealing head 2, with the opening directions of the two embedded seats 4 being opposite. An embedded head 5 is fixedly connected to the outer wall of the top of the dispensing cylinder 3, with both ends of the embedded head 5 embedded inside the embedded seats 4. Specifically, before dispensing, a brand new dispensing needle 6 is first replaced by a threaded connection, and sufficient adhesive, such as conductive adhesive, is injected into the dispensing cylinder 3. Then, the top opening of the dispensing cylinder 3 is inserted into the air outlet pipe 7 on the sealing head 2, and the structure including the scraping ring 11 is inserted into the dispensing cylinder 3. Then, the dispensing cylinder 3 is rotated so that the insert head 5 on the dispensing cylinder 3 is inserted into the insert seat 4, thus completing the installation. Then, when dispensing, the dispensing controller 1 is operated to inject gas into the dispensing cylinder 3 through the air supply pipe. The gas enters the dispensing cylinder 3 through the air outlet pipe 7, causing a change in the air pressure inside the dispensing cylinder 3. Under the pressure of the air, the adhesive is squeezed out through the dispensing needle 6, thus dispensing.

[0019] Reference Figure 2 , Figure 7 and Figure 8 There are two sliding seats 12, which are fixedly connected to the top two ends of the sealing head 2 respectively. The inner wall of the sliding seat 12 is connected to a rotating arm 13 via a sliding assembly. One end of the rotating arm 13 is fixed to the sliding seat 12 by a locking assembly, and the other end of the rotating arm 13 is equipped with an unfolding bracket. The sliding assembly includes a sliding groove formed in the inner wall of the sliding seat 12, and sliding protrusions 16 are fixedly connected to both sides of one end of the rotating arm 13. The sliding protrusions 16 are slidably connected inside the sliding groove. The locking assembly includes a locking seat 1 fixedly connected to the front side of the sliding seat 12. 7. One end of the rotating arm 13 is fixedly connected to a snap connector 18. Both sides of the snap connector 18 are engaged with the inner wall of the snap seat 17. The unfolding frame includes a rotating arm 2 14. One end of the rotating arm 2 14 is connected to the other end of the rotating arm 13 through a damping shaft. The other end of the rotating arm 2 14 is connected to a support foot 15 through a damping shaft. One side of the support foot 15 is rotatably connected to a support bar 19 for abutting against and supporting the rotating arm 2 14. The bottom rear end of the sliding seat 12 is fixedly connected to a limiting angle bracket 20 to limit the rotation angle of the rotating arm 13 after unfolding the rotating arm 13. Specifically, after cleaning the dispensing cartridge 3 and removing the old dispensing replacement needle 6, the dispensing cartridge 3 is dried. The dispensing replacement needle 6 is then reinstalled on the sealing head 2. Next, the rotating arm 13 is pulled to release the locking connector 18, which is held inside the locking seat 17 and connected to the rotating arm 13. The rotating arm 13 is then pulled further to allow the sliding protrusion 16 on it to slide within the sliding groove until it reaches the end of the groove. Finally, the rotating arm 13 is rotated vertically. Then, rotate the rotating arm 14 on the rotating arm 13 and the supporting foot 15 connected to it, so that the rotating arm 13, rotating arm 14 and supporting foot 15 form a standing frame. Then, pull up the support bar 19 on the supporting foot 15 to support the rotating arm 14. At this time, the glue dispensing cylinder 3 installed on the sealing head 2 has the greatest overall weight, so tilt its center of gravity forward, so that the limiting bracket 20 on the sliding seat 12 abuts against the rotating arm 14 to limit it and prevent it from falling apart, allowing the glue dispensing cylinder 3 to dry here. For specific details, please refer to Figure 8 The structure, including the rotating arm 14, is stored away after drying. The connector 18 is then reinserted into the connector base 17, causing the upper protrusion of the connector 18 to deform and snap into the groove on the connector 18, thus completing the fixation.

[0020] Reference Figure 5 and Figure 6 The propulsion assembly includes an inflatable airbag 10 fixedly connected to the bottom side of the air outlet pipe 7. A diversion guide groove 8 is provided on the inner wall of the air outlet pipe 7. The bottom end of the diversion guide groove 8 is connected to the air inlet of the inflatable airbag 10 through a diversion pipe 9. The bottom side of the inflatable airbag 10 is fixedly connected to the top side of the scraping ring 11. Specifically, during dispensing, airflow can enter the diversion pipe 9 through the diversion guide groove 8, and then enter the expansion airbag 10 through the diversion pipe 9. This causes the expansion airbag 10 to expand and elongate, which in turn pushes the scraper ring 11 to slide inside the dispensing cylinder 3, scraping away the adhesive residue on the inner wall of the dispensing cylinder 3. When the scraper ring 11 moves to the liquid level of the adhesive, it will be unable to continue to advance due to the reaction force of the viscous adhesive, and the expansion airbag 10 will not be able to continue to expand. At the same time, the diameter of the diversion pipe 9 is relatively small to prevent excessive airflow from being injected into the expansion airbag 10, thus avoiding excessively fast expansion speed.

[0021] Reference Figure 4 It also includes a glue dispensing replacement needle 6 for dispensing glue. The top of the glue dispensing replacement needle 6 is threadedly connected to the bottom side of the glue dispensing cylinder 3 for easy replacement.

[0022] Working principle: Before dispensing any dispensing syringe, first replace the syringe with a brand new dispensing needle 6 via threaded connection, and inject sufficient adhesive into the dispensing syringe 3. Then, insert the top opening of the dispensing syringe 3 into the air outlet tube 7 on the sealing head 2, and insert the structure including the scraping ring 11 into the dispensing syringe 3. Then rotate the dispensing syringe 3 so that the insert head 5 on the dispensing syringe 3 is inserted into the insert seat 4, thus completing the installation. Then, during dispensing, by operating the dispensing controller 1, the dispensing controller 1 injects gas into the dispensing syringe 3 through the air supply tube, and the gas flows out through the air outlet tube. Air tube 7 enters the interior of dispensing cylinder 3, causing a change in air pressure inside dispensing cylinder 3. Under the pressure of air, the adhesive is squeezed out along the dispensing replacement needle 6, thus dispensing. At the same time, airflow can enter the diversion tube 9 through the diversion guide groove 8, and then enter the expansion air bladder 10 through the diversion tube 9, causing the expansion air bladder 10 to expand and elongate. This pushes the scraping ring 11 to slide inside the dispensing cylinder 3, scraping away the adhesive residue on the inner wall of the dispensing cylinder 3. When the scraping ring 11 moves to the liquid level of the adhesive, it will be unable to continue to advance due to the reaction force of the viscous adhesive, and the expansion air bladder 10 will not be able to continue to expand. After cleaning the dispensing cartridge 3 and removing the old dispensing replacement needle 6, the dispensing cartridge 3 is dried. The dispensing replacement needle 6 is then reinstalled on the sealing head 2. Next, the rotating arm 13 is pulled to release the locking connector 18, which is held inside the locking seat 17 and connected to the rotating arm 13. The rotating arm 13 is then pulled further to allow the sliding protrusion 16 on it to slide within the sliding groove until it reaches the end of the groove. Finally, the rotating arm 13 is rotated to... Vertically rotate the rotating arm 13 and the supporting foot 15 connected to it, so that the rotating arm 13, the rotating arm 14 and the supporting foot 15 form a standing frame. Then, pull up the supporting bar 19 on the supporting foot 15 to support the rotating arm 14. At this time, the glue dispensing tube 3 installed on the sealing head 2 has the greatest overall weight. Let its center of gravity tilt forward, so that the limiting bracket 20 on the sliding seat 12 abuts against the rotating arm 14 to limit it and prevent it from falling apart, so that the glue dispensing tube 3 can be dried here.

[0023] It is worth noting that the circuits, protection, and dispensing controller 1 involved in the above embodiments all adopt the corresponding existing technologies according to the actual situation and refer to the technologies already available on the market. Therefore, they will not be described in detail in the embodiments of this application.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A manual dispensing machine with a scraping structure, characterized in that, include: A sealing head (2) is connected to a dispensing controller (1) for controlling the air output via an air supply pipe. A dispensing cylinder (3) for storing adhesive is installed on the bottom side of the sealing head (2) via an embedded component. An air outlet pipe (7) is fixedly connected to the middle of the bottom side of the sealing head (2). A scraping ring (11) for scraping off residual adhesive is provided inside the dispensing cylinder (3). The air outlet pipe (7) pushes the scraping ring (11) downward by a propulsion component that receives airflow. Thus, during dispensing, the displaced scraping ring (11) synchronously scrapes the inner wall of the dispensing cylinder (3). There are two sliding seats (12), which are fixedly connected to the top two ends of the sealing head (2). The inner wall of the sliding seat (12) is connected to a rotating arm (13) through a sliding assembly. One end of the rotating arm (13) is fixed on the sliding seat (12) through a locking assembly. The other end of the rotating arm (13) is equipped with an unfolding bracket.

2. The manual dispensing machine with a scraping structure according to claim 1, characterized in that: The embedding assembly includes two embedding seats (4) that are fixedly connected to the bottom ends of the sealing head (2). The opening directions of the two embedding seats (4) are opposite. An embedding head (5) is fixedly connected to the top outer wall of the dispensing tube (3). Both ends of the embedding head (5) are embedded inside the embedding seat (4).

3. A manual dispensing machine with a scraping structure according to claim 1, characterized in that: The propulsion assembly includes an inflatable airbag (10) fixedly connected to the bottom side of the air outlet pipe (7). The inner wall of the air outlet pipe (7) is provided with a diversion guide groove (8). The bottom end of the diversion guide groove (8) is connected to the air inlet of the inflatable airbag (10) through a diversion pipe (9). The bottom side of the inflatable airbag (10) is fixedly connected to the top side of the scraping ring (11).

4. A manual dispensing machine with a scraping structure according to claim 1, characterized in that: The sliding assembly includes a sliding groove formed on the inner wall of the sliding seat (12), and sliding protrusions (16) are fixedly connected to both sides of one end of the rotating arm (13), and the sliding protrusions (16) are slidably connected inside the sliding groove.

5. A manual dispensing machine with a scraping structure according to claim 1, characterized in that: The engaging assembly includes a snap-fit ​​seat (17) fixedly connected to the front side of the sliding seat (12), and a snap-fit ​​connector (18) fixedly connected to one end of the rotating arm (13). Both sides of the snap-fit ​​connector (18) are engaged with the inner wall of the snap-fit ​​seat (17).

6. A manual dispensing machine with a scraping structure according to claim 1, characterized in that: The unfolding frame includes a second rotating arm (14), one end of which is connected to the other end of a first rotating arm (13) via a damping shaft. The other end of the second rotating arm (14) is connected to a support foot (15) via a damping shaft. A support bar (19) for abutting against the second rotating arm (14) is rotatably connected to one side of the support foot (15).

7. A manual dispensing machine with a scraping structure according to claim 1, characterized in that: It also includes a dispensing replacement needle (6) for dispensing, the top of which is threadedly connected to the bottom side of the dispensing cylinder (3) for easy replacement.

8. A manual dispensing machine with a scraping structure according to claim 1, characterized in that: The bottom rear end of the sliding seat (12) is fixedly connected to a limiting angle bracket (20) to limit the rotation angle of the rotating arm (13) after it is unfolded.

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