Portable automatic glue injection machine

By designing a portable automatic glue dispensing machine, the problems of insufficient power and resin curing during the glue dispensing process are solved by utilizing the cooperation of rotating and pushing components, thus realizing mechanized control and efficient repair of the glue dispensing process.

CN117600032BActive Publication Date: 2026-08-25TSINGHUA UNIVERSITY +1
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Patent Information

Application Number
CN202311534847.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-17
Publication Date
2026-08-25
Estimated Expiration
2043-11-17

AI Technical Summary

Technical Problem

Existing technologies for glue injection repair suffer from problems such as insufficient injection power, resin curing in the instrument, and inability to quantify, leading to inconvenience in operation and waste of resources.

Method used

A portable automatic dispensing machine was designed, which uses a rotating component to prevent resin curing and provides power by pushing the component to realize the mechanization of the dispensing process. The machine includes the cooperation of rotating blades, slip rings, scrapers and pushers to ensure uniform extrusion of the adhesive.

Benefits of technology

It achieves mechanized control of the glue injection process, prevents resin curing, improves glue injection efficiency and accuracy, reduces resource waste, has a wide range of applications, and has high economic benefits.

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Abstract

The portable automatic glue injection machine comprises a shell, an advancing chamber is arranged on the upper edge of the shell in the axial direction, a glue injection head is arranged at the front end of the shell, the glue injection head has a glue injection chamber, a glue injection opening is arranged on the glue injection head, a rotating assembly comprises a driving device arranged in the shell, a rotating blade rotatably arranged in the glue injection chamber, a rotating shaft in transmission connection with the rotating blade and the driving device respectively, a pushing assembly comprising a linear driving device arranged in the advancing chamber, a sliding ring slidably arranged on the inner side wall of the shell, the sliding ring being configured to move in the axial direction of the shell under the driving of the linear driving device, a push piece connected with the sliding ring through a bearing, and a plurality of scrapers slidably clamped between adjacent two blades in the rotating blade, the scrapers being connected with the push piece, wherein the push piece, the plurality of scrapers and the rotating blade rotate coaxially and synchronously.
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Description

Technical Field

[0001] This invention relates to the field of rapid material repair, and more particularly to a portable automatic glue dispensing machine. Background Technology

[0002] Carbon fiber reinforced composites are widely used in aerospace, marine, wind power, new energy, and rail transportation due to their excellent material properties. Their service conditions are often very harsh, and they are prone to damage from various sources. Visible damage is easy to inspect and can be repaired by patching and excavation, restoring the overall structure to the required service level. However, repairing invisible damage with bolts, patching, or excavation not only damages the intact structure but is also not economical or time-efficient. Injection repair, on the other hand, can achieve repair with minimal damage to the original material and can also restore the overall strength of the material to a large extent, ensuring the smoothness of the structure.

[0003] Currently, most glue injection repairs are done manually using a syringe. While this method is simple and has low operational requirements, manual control over the injection speed and pressure is limited. Furthermore, judging the amount of force applied during injection heavily relies on the operator's experience. Additionally, the resin is prone to curing in the container, leading to resin waste and syringe failure. Summary of the Invention

[0004] To address the aforementioned technical problems, this disclosure provides a portable automatic dispensing machine that can solve the problems of insufficient dispensing power, resin curing in the instrument, and inability to quantify during traditional manual dispensing processes.

[0005] According to one aspect of the inventive concept of this disclosure, a portable automatic glue dispensing machine includes: a housing, with a propulsion chamber axially disposed on the upper edge of the housing; a glue dispensing head disposed at the front end of the housing, the glue dispensing head having a glue dispensing chamber and a glue dispensing port; a rotating assembly including: a drive device disposed within the housing; a rotating blade rotatably disposed within the glue dispensing chamber; a rotating shaft drivingly connected to the rotating blade and the drive device respectively; a pushing assembly including: a linear drive device disposed within the propulsion chamber; a slip ring slidably disposed on the inner sidewall of the housing, the slip ring being configured to move along the axial direction of the housing under the drive of the linear drive device; a pusher plate connected to the slip ring via a bearing; and multiple scrapers slidably engaged between adjacent blades of the rotating blade, the scrapers being connected to the pusher plate; wherein the pusher plate, the multiple scrapers, and the rotating blade are coaxial and rotate synchronously.

[0006] According to some embodiments of this disclosure, the dispensing machine further includes: an inner shell disposed within an outer shell, the inner shell having a power chamber, and a drive device disposed within the power chamber.

[0007] According to some embodiments of this disclosure, the propulsion assembly further includes: a transmission head slidably disposed within the propulsion chamber, with its two ends connected to a slip ring and the output end of a linear drive device, respectively.

[0008] According to some embodiments of this disclosure, the linear drive device includes any of the following: a servo electric cylinder, a pneumatic cylinder, a hydraulic cylinder, or a linear motor.

[0009] According to some embodiments of this disclosure, a guide groove communicating with the internal space of the outer shell is provided on the propulsion chamber, and the slip ring includes: a slip ring body, which is slidably disposed against the inner side wall of the outer shell; and a guide portion, which extends radially outward from the outer edge of the slip ring body, and is slidably engaged in the guide groove and connected to the transmission head.

[0010] According to some embodiments of this disclosure, the pushing component further includes: a plurality of connectors, each connector having one end connected to a pusher and the other end connected to a scraper.

[0011] According to some embodiments of this disclosure, the dispensing head is detachably connected to the front end of the housing.

[0012] According to some embodiments of this disclosure, the dispensing head is connected to the front end of the housing by a threaded connection, a pin connection, or a snap-fit ​​connection.

[0013] According to some embodiments of this disclosure, the dispensing machine further includes: a handle connected to a housing; and a switch disposed on the handle or housing, the switch being connected to a linear drive and a drive unit, the switch being adapted to control the opening and closing of the linear drive and the drive unit.

[0014] According to some embodiments of this disclosure, the dispensing machine further includes a display device disposed on the housing, the display device being adapted to display the travel distance of the pusher.

[0015] According to some embodiments of this disclosure, the dispensing head is made of a transparent material.

[0016] According to some embodiments of this disclosure, the tip of the injection port is made of a flexible tube material.

[0017] According to some embodiments of this disclosure, the scraper and the rotating blade, as well as the scraper and the inner wall of the dispensing head, are slidably sealed connections.

[0018] According to some embodiments of this disclosure, the length of the rotating blade is less than the radius of the dispensing head.

[0019] The portable automatic glue dispensing machine according to the present disclosure uses a rotating component to stir the glue in the dispensing head to delay curing. At the same time, a pushing component provides a thrust along the axial direction to the scraper. With the help of a slip ring, bearing and pusher, the scraper moves along the axial direction as it rotates with the rotating blade to squeeze the glue out of the dispensing port. This solves the problems of insufficient glue dispensing power and resin curing in the instrument that exist in the traditional glue dispensing process when operated manually. It realizes the mechanization of the glue dispensing process in glue dispensing repair, thereby achieving the purpose of rapid repair. Attached Figure Description

[0020] Figure 1 This is a longitudinal cross-sectional schematic diagram of a portable automatic dispensing machine according to an exemplary embodiment of the present disclosure;

[0021] Figure 2 This is a schematic diagram of the internal structure of a portable automatic dispensing machine according to an exemplary embodiment of the present disclosure;

[0022] Figure 3 This is a front view of the driving component according to an exemplary embodiment of the present disclosure;

[0023] Figure 4 This is a front view of a rotating assembly according to an exemplary embodiment of the present disclosure;

[0024] Figure 5 This is a schematic diagram of the internal structure of a portable automatic dispensing machine according to an exemplary embodiment of the present disclosure from another perspective;

[0025] Figure 6 This is a perspective view of a slip ring according to an exemplary embodiment of the present disclosure;

[0026] Figure 7 This is a perspective view of a driving component according to an exemplary embodiment of the present disclosure;

[0027] Figure 8 This is a perspective view of the pusher and scraper according to exemplary embodiments of the present disclosure;

[0028] Figure 9 This is a front view of a dispensing head according to an exemplary embodiment of the present disclosure;

[0029] Figure 10 This is a perspective view of a portable automatic dispensing machine according to an exemplary embodiment of the present disclosure;

[0030] Figure 11 This is a perspective view of a portable automatic dispensing machine according to exemplary embodiments of the present disclosure;

[0031] Figure 12 This is a front view of a portable automatic dispensing machine according to an exemplary embodiment of the present disclosure;

[0032] Figure 13 This is a perspective view of a rotating component embedded in a pushing component according to an exemplary embodiment of the present disclosure;

[0033] Figure 14 This is a top view of a rotating blade embedded in a scraper according to an exemplary embodiment of the present disclosure.

[0034] The meanings of the reference numerals in the above figures are as follows:

[0035] 1-Outer shell;

[0036] 2-Propulsion chamber;

[0037] 3-Dispensing head;

[0038] 301 - Injection chamber;

[0039] 302 - Injection port;

[0040] 4-Rotating assembly;

[0041] 401 - Drive unit;

[0042] 402 - Rotating blade;

[0043] 403 - Shaft;

[0044] 5-Propulsion components;

[0045] 501 - Linear drive unit;

[0046] 502 - Slip ring;

[0047] 5021-slip ring body;

[0048] 5022 - Guiding section;

[0049] 503 - Pusher;

[0050] 504-scraper blade;

[0051] 505 - Drive Head;

[0052] 506 - Connector;

[0053] 6-Inner shell;

[0054] 601 - Power Chamber;

[0055] 7- Grip;

[0056] 8-Switch;

[0057] 9- Display device. Detailed Implementation

[0058] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with specific embodiments and the accompanying drawings.

[0059] However, it should be understood that these descriptions are exemplary only and are not intended to limit the scope of this disclosure. In the following detailed description, numerous specific details are set forth to provide a thorough understanding of embodiments of this disclosure for ease of explanation. However, it will be apparent that one or more embodiments may be practiced without these specific details. Furthermore, descriptions of well-known technologies are omitted in the following description to avoid unnecessarily obscuring the concepts of this disclosure.

[0060] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit this disclosure. The term "comprising" as used herein indicates the presence of features, steps, or operations, but does not exclude the presence or addition of one or more other features.

[0061] When using expressions such as "at least one of A, B, and C," the expression should generally be interpreted in accordance with the meaning commonly understood by a person skilled in the art (e.g., "a system having at least one of A, B, and C" should include, but is not limited to, systems having A alone, having B alone, having C alone, having A and B, having A and C, having B and C, and / or having A, B, and C, etc.). Similarly, when using expressions such as "at least one of A, B, or C," the expression should generally be interpreted in accordance with the meaning commonly understood by a person skilled in the art (e.g., "a system having at least one of A, B, or C" should include, but is not limited to, systems having A alone, having B alone, having C alone, having A and B, having A and C, having B and C, and / or having A, B, and C, etc.).

[0062] All terms used herein (including technical and scientific terms) have the meanings commonly understood by those skilled in the art, unless otherwise defined. It should be noted that the terms used herein are to be interpreted in a manner consistent with the context of this specification, and not in an idealized or overly rigid way.

[0063] In related technologies, such as the repair of carbon fiber reinforced composite materials, there are problems such as insufficient injection power, resin curing in the instrument, inability to quantify, cumbersome process, and limited applicability to damaged areas. In order to solve the above problems, the embodiments of this disclosure utilize a rotating component to prevent resin curing in the instrument and a pushing component to provide power for injection, ultimately obtaining a portable automatic injection machine with the characteristics of quantifiable control, sufficient propulsion power, prevention of resin curing, easy to carry and operate, and wide applicability, which can achieve the purpose of rapid repair.

[0064] Figure 1This is a longitudinal cross-sectional schematic diagram of a portable automatic dispensing machine according to an exemplary embodiment of the present disclosure; Figure 2 This is a longitudinal cross-sectional top perspective view of a portable automatic dispensing machine according to an exemplary embodiment of the present disclosure; Figure 3 This is a partial enlarged view of the driving component according to an exemplary embodiment of the present disclosure; Figure 4 This is a partial enlarged view of the rotating assembly according to an exemplary embodiment of the present disclosure.

[0065] According to one aspect of the inventive concept of this disclosure, such as Figures 1-4 As shown, a portable automatic dispensing machine is provided, including: a housing 1, a dispensing head 3, a rotating assembly 4, and a pushing assembly 5. The housing 1 has a pushing chamber 2 axially arranged on its upper side. The dispensing head 3 is located at the front end of the housing 1, and has a dispensing chamber 301 and a dispensing port 302. The rotating assembly 4 includes: a driving device 401, disposed within the housing 1; a rotating blade 402 rotatably disposed within the dispensing chamber 301; and a rotating shaft 403, which is connected to both the rotating blade 402 and the driving device 401. The pushing assembly 5 includes: a linear drive device 401 disposed within the propulsion chamber 2; a slip ring 502 slidably disposed on the inner wall of the housing 1, the slip ring 502 being configured to move along the axial direction of the housing 1 under the drive of the linear drive device 401; a pusher 503 connected to the slip ring 502 via a bearing; and multiple scrapers 504 slidably engaged between adjacent blades of the rotating blade 402, the scrapers 504 being connected to the pusher 503. The pusher 503, the multiple scrapers 504, and the rotating blade 402 are coaxial and rotate synchronously.

[0066] In this embodiment, a rotating assembly is used to stir the adhesive in the dispensing head to delay curing. At the same time, a pushing assembly provides axial thrust to the scraper. With the help of a slip ring, bearing, and pusher, the scraper moves along the axial direction as it rotates with the rotating blade, thus squeezing the adhesive out of the dispensing port. This solves the problems of insufficient dispensing power and resin curing in the instrument that exist in the traditional manual dispensing process. It realizes the mechanization of the dispensing process in dispensing repair, thereby achieving the purpose of rapid repair.

[0067] According to some embodiments of this disclosure, the rotating assembly 4 includes: a driving device 401, a rotating blade 402, and a rotating shaft 403. The driving device 401, the rotating blade 402, and the rotating shaft 403 are coaxially fixed, and the rotating blade 402 can rotate at the same frequency as the driving device 401.

[0068] According to some optional embodiments of this disclosure, the drive device 401 includes a servo motor or a stepper motor. More optionally, the drive device 401 is a geared motor to reduce the rotational speed of the rotating blades 402 and increase the output torque of the motor, thereby improving the mixing effect of the adhesive.

[0069] In this embodiment, the drive device 401 is fixedly installed inside the housing 1. Optionally, the drive device 401 is fixedly installed on the central axis of the housing 1, and the output shaft of the drive device 401 is collinear with the central axis of the housing 1.

[0070] According to some embodiments of this disclosure, the pushing assembly 5 includes: a linear drive device 401, a slip ring 502, a pusher plate 503, and a scraper plate 504. A bearing is provided between the slip ring 502 and the pusher plate 503, and the scraper plate 504 is connected to the pusher plate 503. Based on this, the scraper plate 504 can rotate coaxially with the rotating blade 402, ensuring that the slip ring 502 does not rotate. The output end of the linear drive device 401 is connected to the slip ring 502 and drives the slip ring 502 to move along the axial direction of the housing 1, thereby driving the scraper plate 504 to move axially via the pusher plate 503, so as to extrude the adhesive from the dispensing head.

[0071] According to some optional embodiments of this disclosure, at least one guide groove / strip is provided on the inner sidewall of the housing 1 along the axial direction, and correspondingly, a matching guide strip / groove is provided on the slip ring 502 to facilitate the slip ring 502 to move along the axial direction of the housing 1.

[0072] According to some embodiments of this disclosure, the dispensing head 3 and the housing 1 are connected by an external mechanical engagement. For example, a threaded connection, a pin connection, a snap-fit ​​connection, etc.

[0073] According to some optional embodiments of this disclosure, the diameter of the propulsion chamber 2 is 28-32 mm and the wall thickness is 2-3 mm.

[0074] According to some embodiments of this disclosure, the portable automatic dispensing machine also includes an inner shell 6, which is disposed inside the outer shell 1. The inner shell 6 has a power chamber 601, and a drive device 401 is disposed inside the power chamber 601.

[0075] In this embodiment, the power chamber 601 is used to house the fixed drive device 401 to prevent the drive device 401 from rotating or shaking during operation.

[0076] According to some optional embodiments of this disclosure, the front end of the power chamber 601 is provided with an opening through which the rotating shaft 403 passes.

[0077] According to some optional embodiments of this disclosure, the diameter of the power chamber 601 is 28 to 32 mm, for example, 28 mm, 29 mm, 30 mm, 31 mm or 32 mm; the wall thickness of the power chamber 601 is 2 to 3 mm, for example, 2 mm, 2.5 mm or 3 mm.

[0078] According to some embodiments of this disclosure, the propulsion assembly 5 further includes a transmission head 505, which is slidably disposed in the propulsion chamber 2. The two ends of the transmission head 505 are respectively connected to the slip ring 502 and the output end of the linear drive device 401.

[0079] In this embodiment, the linear drive device 401 pushes / pulls the transmission head 505. The transmission head 505 drives the slip ring 502 to slide on the inner wall of the housing 1. The slip ring 502 drives the pusher 503 and the scraper 504 to move, realizing mechanical glue injection, as well as quantification and numerical control in the glue injection process.

[0080] According to some embodiments of this disclosure, the linear drive device 401 includes any of the following: a servo electric cylinder, a pneumatic cylinder, a hydraulic cylinder, or a linear motor.

[0081] According to some optional embodiments of this disclosure, the housing 1 is also provided with an input device. The user inputs commands through the input device to control the output stroke of the linear drive device 401, thereby realizing quantification and numerical control of the dispensing process. For example, by controlling the transmission head 505 to move forward 1mm through the input device, the corresponding amount of adhesive can be input.

[0082] According to some embodiments of this disclosure, the transmission head 505 is slidably engaged within the propulsion chamber, and the linear drive device 401 is mounted at one end within the propulsion chamber. Optionally, the propulsion chamber is located on the outer wall of the housing 1. For example, two propulsion chambers are symmetrically arranged on the outer surface of the housing 1, or three propulsion chambers are evenly spaced.

[0083] According to some embodiments of this disclosure, the starting position of the movement of the transmission head 505 corresponds to the position of the scraper 504 relative to the rotating blade 402. Specifically, when the transmission head 505 is at the starting point of movement, the scraper 504 is in contact with the root of the rotating blade 402, and when the transmission head 505 is at the ending point of movement, the scraper 504 is in contact with the head (or the area near the head) of the rotating blade 402.

[0084] Figure 5 This is a front perspective view of a longitudinal cross-section of a portable automatic dispensing machine according to an exemplary embodiment of the present disclosure; Figure 6 This is a partial enlarged view of a slip ring according to an exemplary embodiment of the present disclosure; Figure 7 This is a perspective view of a driving component according to an exemplary embodiment of the present disclosure.

[0085] According to some embodiments of this disclosure, such as Figures 5-7As shown, the propulsion chamber 2 has a guide groove that connects to the internal space of the outer shell 1. The slip ring 502 includes a slip ring body 5021 and a guide portion 5022. The slip ring body 5021 is slidably disposed against the inner sidewall of the outer shell 1. The guide portion 5022 extends radially outward from the outer edge of the slip ring body 5021, and is slidably engaged in the guide groove and connected to the transmission head 505.

[0086] Figure 8 This is a perspective view of a pusher blade connected to a scraper blade according to an exemplary embodiment of the present disclosure.

[0087] According to some embodiments of this disclosure, such as Figure 8 As shown, the pushing component 5 also includes a plurality of connectors 506, one end of each connector 506 being connected to the pusher 503 and the other end being connected to a scraper 504.

[0088] In this embodiment, the connector 506 is used to connect the scraper 504 and the pusher 503. The linear drive motor drives the transmission head 505 to drive the slip ring 502 and the pusher 503 to move together. The pusher 503 drives the scraper 504 to move through the connector 506.

[0089] According to some embodiments of this disclosure, the length of the connector 506 is the same as the length of the rotating blade 402, so that when the pusher travels to the front end of the housing 1, the scraper travels to the front end of the dispensing head.

[0090] According to some optional embodiments of this disclosure, the length of the connector 506 is between 20 and 30 mm.

[0091] Figure 9 This is a partial enlarged view of the dispensing head according to an exemplary embodiment of the present disclosure; Figure 10 This is a perspective view of a portable automatic dispensing machine according to an exemplary embodiment of the present disclosure.

[0092] According to some embodiments of this disclosure, such as Figures 9-10 As shown, the dispensing head 3 is detachably connected to the front end of the outer casing 1.

[0093] In this embodiment, if residual resin in the dispensing chamber 301 of the dispensing head 3 causes damage to the instrument during the dispensing process, it will only occur in the dispensing head 3. Since it is detachable, it can be replaced, resulting in less wear and tear and higher economic benefits.

[0094] According to some preferred embodiments of this disclosure, the diameter of the glue injection chamber 301 is 28-32 mm and the wall thickness is 2-3 mm.

[0095] The glue inlet 302 is connected to the glue inlet chamber 301, and the diameter of the glue inlet 302 is 3-4 mm, and the wall thickness of the glue inlet 302 is 0.8-1.2 mm.

[0096] According to some embodiments of this disclosure, the dispensing head 3 is connected to the front end of the housing 1 by a threaded connection, a pin connection, or a snap-fit ​​connection.

[0097] According to some preferred embodiments of this disclosure, the connection method between the dispensing head 3 and the front end of the housing 1 can be any of the following: threaded connection, pin connection, or snap-fit ​​connection.

[0098] Figure 11 This is a rear perspective view of a portable automatic dispensing machine according to exemplary embodiments of the present disclosure; Figure 12 This is a front view of a portable automatic dispensing machine according to an exemplary embodiment of the present disclosure.

[0099] According to some embodiments of this disclosure, such as Figures 11-12 As shown, the portable automatic dispensing machine also includes: a handle 7 connected to the housing 1; and a switch 8 disposed on the handle 7 or the housing 1. The switch 8 is connected to the linear drive device 401 and the drive device 401, and the switch 8 is suitable for controlling the opening and closing of the linear drive device 401 and the drive device 401.

[0100] In this embodiment, switch 8 is used to control the opening and closing of linear drive device 401 and drive device 401, thereby mechanizing the glue dispensing process.

[0101] According to some embodiments of this disclosure, the grip 7 is connected to the rear end of the propulsion chamber 2 and the power chamber 601.

[0102] According to some optional embodiments of this disclosure, a control circuit is provided inside the grip 7, which is connected to the rear end of the propulsion chamber 2 to control the linear drive transducer 501, and connected to the rear end of the power chamber 601 to control the drive device 401. Buttons are provided on the grip 7 or the outer shell 1 to control the opening and closing of the linear drive device 401 and the drive device 401 respectively.

[0103] According to some embodiments of this disclosure, the portable automatic dispensing machine further includes a display device 9 disposed on the housing 1, the display device 9 being adapted to display the moving distance of the pusher 503.

[0104] In this embodiment, by observing the moving distance of the pusher 503, it can be determined whether the scraper 504 has been pushed to the top of the glue injection chamber 301, which can better quantify the glue injection process.

[0105] According to some embodiments of this disclosure, the dispensing head 3 is made of a transparent material so that the user can observe the amount of residual glue in the dispensing head in real time and determine whether the dispensing head 3 needs to be replaced.

[0106] According to some embodiments of this disclosure, the tip of the dispensing port 302 is made of a flexible tube material to accommodate various application scenarios and objects.

[0107] Figure 13 This is a perspective view of a rotating component embedded in a pushing component according to an exemplary embodiment of the present disclosure; Figure 14 This is a top view of a rotating blade embedded in a scraper according to another embodiment of the present disclosure.

[0108] According to some embodiments of this disclosure, such as Figure 5 , Figure 13 and Figure 14 As shown, the scraper 504 and the rotating blade 402, as well as the scraper 504 and the inner wall of the dispensing head 3, are all slidably sealed connections.

[0109] In this embodiment, the continuous agitation of the rotating blade 402 can effectively prevent the resin from curing and being wasted in the container and the dispensing machine from failing.

[0110] According to some optional embodiments of this disclosure, the rotating blade 402 is just embedded in the gap of the scraper 504, the gap range is 3 to 4 mm, and the total gap after embedding is within 1 mm.

[0111] According to some embodiments of this disclosure, the length of the rotating blade 402 is less than the radius of the dispensing head 3, meaning there is a certain gap between the outermost edge of the rotating blade 402 and the inner wall of the dispensing head 3, thereby improving the stirring effect of the rotating blade 402. Correspondingly, the outermost edge of the scraper 504 extends outward in the circumferential direction to form a protrusion to compensate for the aforementioned gap and ensure sealing. The length of the protrusion is equal to half the length of the outermost edge of the rotating blade 402. Based on this, the protrusions of two adjacent rotating blades completely fill the gap between the rotating blade 402 and the dispensing head 3.

[0112] According to some embodiments of this disclosure, the gap between the rotating blade 402 and the inner wall of the circular cross-section of the injection cavity after engagement is within 0.5 mm, and the gap between the rotating blade 402 and the bottom of the injection cavity is within 1 mm.

[0113] The technical solution of this disclosure will be further explained below with reference to a specific embodiment. It should be noted that this specific embodiment is only for the purpose of enabling those skilled in the art to better understand the technical solution of this disclosure, and should not be regarded as an unreasonable limitation on the scope of protection of this disclosure.

[0114] Example 1

[0115] First, control the linear drive transducer 501 to ensure the drive head 505 is moved to the starting position. Then, inject resin into the dispensing head 3 and connect it to the outer casing 1 via mechanical engagement. Next, press the start button for the rotary motor on the handle 7. The rotating blade 402 will begin to rotate and stir the resin to prevent curing. Align the dispensing port 302 with the dispensing inlet hole and press the forward button for the linear drive transducer 501. The linear drive transducer 501 will push the drive head 505, which in turn drives the slip ring 502 forward. Ring 502 pushes pusher 503 forward, pusher 503 drives scraper 504 to move. Scraper 504, due to its engagement with rotating blade 402, is simultaneously rotated by the rotating blade 402 and pushed by slip ring 502 to achieve mechanical glue injection. This process ends when drive head 505 reaches the terminal position. At this point, the front end of scraper 504 also reaches the bottom of glue injection chamber 301, completing the glue injection process. The glue injection head 3 is then removed, and drive head 505 is moved to the starting position via linear drive transducer 501, awaiting the next glue injection. This invention significantly improves glue injection efficiency, achieving quantification and numerical control during the glue injection process. It avoids problems such as resin curing and insufficient propulsion power that exist in manual operations using syringes. Furthermore, if residual resin in the glue injection chamber 301 within the glue injection head 3 cures and damages the instrument, the damage only occurs within the glue injection head 3. Because it is detachable, it can be replaced, resulting in less wear and tear and higher economic benefits.

[0116] The portable automatic dispensing machine of this disclosure has the following technical advantages compared with the prior art:

[0117] The resin injection process can be achieved through mechanical devices to prevent resin curing and to inject resin with controllable thrust, reducing manual injection and enabling quantitative control of the injected resin and numerical control of the injection thrust. In addition, the injection head and the outer shell are mechanically connected. If residual resin cures and causes damage to the instrument during the injection process, it will only occur in the injection head. Because it is detachable, it is easy to replace, reducing the overall wear and tear on the instrument.

[0118] The embodiments of this disclosure have been described in detail above with reference to the accompanying drawings. It should be noted that implementations not illustrated or described in the drawings or the main text of the specification are forms known to those skilled in the art and have not been described in detail. Furthermore, the definitions of the various components described above are not limited to the specific structures, shapes, or methods mentioned in the embodiments, and those skilled in the art can easily modify or substitute them.

[0119] It should also be noted that, in the specific embodiments of this disclosure, unless otherwise stated otherwise, the numerical parameters in this specification and the appended claims are approximate values ​​and can be changed according to the desired characteristics obtained from the content of this disclosure. Specifically, all numbers used in the specification and claims to indicate dimensions, range conditions, etc., of the composition should be understood to be modified by the term "about" in all cases. Generally, this means that there may be variations of ±10% in some embodiments, ±5% in some embodiments, ±1% in some embodiments, and ±0.5% in some embodiments.

[0120] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this disclosure can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this disclosure. In particular, the features described in the various embodiments and / or claims of this disclosure can be combined or combined in various ways without departing from the spirit and teachings of this disclosure. All such combinations and / or combinations fall within the scope of this disclosure.

[0121] The specific embodiments described above further illustrate the purpose, technical solutions, and beneficial effects of this disclosure. It should be understood that the above descriptions are merely specific embodiments of this disclosure and are not intended to limit this disclosure. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the protection scope of this disclosure.

Claims

1. A portable automatic glue dispensing machine, characterized in that, include: The outer casing has a propulsion chamber arranged along its upper axial direction; A glue injection head is disposed at the front end of the housing. The glue injection head has a glue injection chamber and a glue injection port. Rotating assembly, including: The drive unit is disposed within the housing; The rotating blade is rotatably mounted in the glue injection chamber; The rotating shaft is connected to both the rotating blade and the driving device. An inner shell is disposed within the outer shell, the inner shell having a power chamber, and the drive device is disposed within the power chamber; The driving components include: A linear drive unit is disposed within the propulsion chamber; A slip ring is slidably disposed on the inner sidewall of the housing, and the slip ring is configured to move along the axial direction of the housing under the drive of the linear drive device; A transmission head is slidably disposed within the propulsion chamber, with its two ends connected to the slip ring and the output end of the linear drive device, respectively; a pusher plate is connected to the slip ring via a bearing. Multiple scraper blades are slidably engaged between two adjacent blades in the rotating blades, and the scraper blades are connected to the pusher blades; The pusher, the plurality of scrapers, and the rotating blade are coaxial and rotate synchronously. Multiple connectors, each connector having one end connected to the push plate and the other end connected to one of the scrapers; The propulsion chamber has a guide groove that communicates with the internal space of the outer shell, and the slip ring includes: The slip ring body is slidably disposed against the inner side wall of the outer shell; The guide portion extends radially outward from the outer edge of the slip ring body, and is slidably engaged in the guide groove and connected to the transmission head.

2. The portable automatic dispensing machine according to claim 1, characterized in that, The linear drive device includes any of the following: a servo electric cylinder, a pneumatic cylinder, a hydraulic cylinder, or a linear motor.

3. The portable automatic dispensing machine according to claim 1, characterized in that, The dispensing head is detachably connected to the front end of the housing.

4. The portable automatic dispensing machine according to claim 3, characterized in that, The dispensing head is connected to the front end of the housing via a threaded connection, pin connection, or snap-fit ​​connection.

5. The portable automatic dispensing machine according to claim 1, characterized in that, Also includes: A handle, connected to the outer casing; A switch is provided on the grip or the housing, the switch being connected to the linear drive and the drive unit, and the switch being adapted to control the opening and closing of the linear drive and the drive unit.

6. The portable automatic dispensing machine according to claim 1, characterized in that, Also includes: A display device is disposed on the housing, and the display device is adapted to display the moving distance of the pusher.

7. The portable automatic dispensing machine according to claim 1, characterized in that, The dispensing head is made of a transparent material.

8. The portable automatic dispensing machine according to claim 1, characterized in that, The tip of the injection port is made of a flexible tube.

9. The portable automatic dispensing machine according to claim 1, characterized in that, The scraper and the rotating blade, as well as the scraper and the inner wall of the dispensing head, are all slidably sealed.

10. The portable automatic dispensing machine according to claim 1, characterized in that, The length of the rotating blade is less than the radius of the dispensing head.

Citation Information

Patent Citations

  • Automatic glue filling device for leather carving raw material processing

    CN212441863U

  • Integrated mixing and dispensing apparatus

    US6309372B1