Glue injection device and glue injection method for large-thickness honeycomb core

Abstract

According to the large-thickness honeycomb core glue injection device and method, a glue injection operation table is fixedly erected on the upper end face of a supporting frame, a motor is installed below a glue injection operation table bottom plate, a piston is arranged between the motor and the glue injection operation table bottom plate, an output shaft of the motor is connected with the piston, and a glue bin fixing plate is arranged above the glue injection operation table bottom plate; a glue bin is installed on the glue bin fixing plate, through holes for the piston to penetrate through are formed in the corresponding positions of the glue injection operation table bottom plate and the glue bin fixing plate, and a glue injection opening is formed in the top of the glue bin; the hand wheel transmission mechanism is fixed above the top plate of the glue injection operation table, and the screw part of the honeycomb core pressing block penetrates through the top plate of the glue injection operation table and a worm wheel of the hand wheel transmission mechanism from the bottom to form a screw nut pair matching structure with the hand wheel transmission mechanism, so that the pressing block part is positioned below the top plate and is opposite to the top end surface of the glue bin. The problems that manual glue filling of the large-thickness honeycomb core is difficult, and the glue filling quality is poor are solved.

Description

Technical Field

[0001] The present invention relates to the field of, but is not limited to, composite material parts manufacturing technology, and in particular to a thick honeycomb core glue injection device and a glue injection method. Background Art

[0002] In the manufacturing process of carbon fiber honeycomb sandwich parts, filling the honeycomb core edge is a key process. This process not only affects the appearance quality of the final product, but more importantly, it has a certain impact on the mechanical properties and durability of the structural parts.

[0003] The primary purpose of filling the edges of honeycomb cores is to seal the open ends of the core, preventing moisture, dust, and other contaminants from entering the core, and increasing the overall stability and edge strength of the structure. Currently, the edges of thin honeycomb cores are mostly filled manually. For thicker honeycomb cores (thickness > 100mm), due to the adhesion of the glue to the inner wall of the honeycomb core, it is difficult to continue manually or with existing tools to fill the glue into the honeycomb core cavity after the glue reaches a certain depth. This significantly affects the overall filling quality and speed, and also affects the quality of the composite parts. Summary of the Invention

[0004] The purpose of the present invention is to provide a large-thickness honeycomb core glue injection device and a glue injection method to solve the problem that the existing glue injection method for large-thickness honeycomb cores is difficult to continue to manually or with tools to fill the glue into the honeycomb core cavity after the glue filling reaches a certain depth, thereby causing a significant impact on the overall glue filling quality and speed of the honeycomb core, and affecting the quality of composite parts.

[0005] The technical solution of the present invention is as follows: In the first aspect, the present invention provides a large-thickness honeycomb core glue injection device, comprising: a glue injection operating table 1, a support frame 2, a handwheel mechanism 3, a honeycomb core pressing block 4, a glue bin 5, a glue bin fixing plate 6, a piston 7, and a motor 8; Among them, the glue injection operation table 1 is fixedly mounted on the upper end surface of the support frame 2, the motor 8 is suspended and fixedly installed below the bottom plate of the glue injection operation table 1, and a piston 7 is fixedly arranged between the motor 8 and the bottom plate of the glue injection operation table 1, and the output shaft of the motor 8 is connected to the piston 7, a glue tank fixing plate 6 is fixedly arranged above the bottom plate of the glue injection operation table 1, and the glue tank 5 is fixedly installed in the groove on the upper end surface of the glue tank fixing plate 6, and corresponding positions of the bottom plate of the glue injection operation table 1 and the glue tank fixing plate 6 are provided with through holes for the piston 7 to pass through, and a glue injection port is opened on the top of the glue tank 5; The handwheel transmission mechanism 3 is fixed above the top plate of the glue injection operating table 1, and the screw portion of the honeycomb core pressing block 4 passes through the top plate of the glue injection operating table 1 and the worm gear of the handwheel transmission mechanism 3 from the bottom, forming a screw-nut pair matching structure with the handwheel transmission mechanism 3, so that its pressing block portion is located below the top plate and is arranged opposite to the top surface of the glue bin 5.

[0006] Optionally, in the thick honeycomb core glue injection device as described above, The thick honeycomb core glue injection device is used to drive the piston 7 through the holes on the bottom plate of the glue injection operation table 1 and the glue bin fixing plate 6 through the rotation of the motor 8 to reach the bottom of the glue bin 5, move along the axial direction of the glue bin 5 and push the end plate inward until the end plate reaches the top of the glue bin 5; The thick honeycomb core glue injection device is also used to drive the honeycomb core pressing block 4 to move between the top plate of the glue injection operating table 1 and the glue bin 5 along the axial direction of the glue bin 5 by rotating the handwheel in the handwheel transmission mechanism 3.

[0007] Optionally, in the thick honeycomb core glue injection device as described above, The honeycomb core pressing block 4 and the glue bin 5 are coaxially arranged between the top plate and the bottom plate of the glue injection operation table 1. The coaxiality of the honeycomb core pressing block 4 and the glue bin 5 is ensured by the installation position of the top plate and the bottom plate. After the honeycomb core pressing block 4 is pressed tightly on the honeycomb core arranged on the top surface of the glue bin 5, the piston 7 pushes the internal pressure plate of the glue bin 5, and then the colloid in the glue bin 5 is injected into the interior of the honeycomb core from the glue injection port on the top of the glue bin 5.

[0008] Optionally, in the thick honeycomb core glue injection device as described above, The handwheel transmission mechanism 3 includes: a handwheel, a worm and a worm wheel; the handwheel and the worm are coaxially fixedly connected, the worm and the worm wheel form a cylindrical worm pair matching structure, the screw of the honeycomb core pressing block 4 passes through the worm wheel of the handwheel transmission mechanism 3, and forms a screw-nut pair matching structure with the handwheel transmission mechanism 3; the handwheel drives the worm to rotate synchronously, and the worm drives the worm wheel to rotate around the axis, the thread in the worm wheel engages with the thread on the screw in the honeycomb core pressing block 4, and the rotation of the worm wheel causes the screw to drive the pressing block to move up and down along the screw axis.

[0009] Optionally, the thick honeycomb core glue injection device as described above further includes: an endoscope 10, and a camera of the endoscope 10 is connected to the display screen via a USB data cable; The display screen of the endoscope 10 is set on the top plate of the injection operating table 1. The camera passes through the through hole on the pressing block part of the honeycomb core pressing block 4 and reaches the bottom end surface of the pressing block part, which is used to display the perfusion status of the colloid liquid on the display screen during the injection process.

[0010] Optionally, the thick honeycomb core glue injection device as described above further includes: a motor control box 9; The motor control box 9 is fixedly mounted on the back side of the glue injection operation table 1 . The motor control box 9 is electrically connected to the motor 8 and is used to control the operation mode of the motor 8 .

[0011] Optionally, the thick honeycomb core glue injection device as described above further comprises: a mounting base and a support rod for mounting the motor 8; After the top ends of the multiple support rods pass through the bottom plate of the glue injection operating table 1 and the glue bin fixing plate 6 respectively, the top threaded ends are fixedly connected by nuts. After the bottom ends of the support rods pass through the mounting base respectively, the top threaded ends are fixedly connected by nuts. The motor 8 is fixedly mounted on the upper end face of the mounting base, and its output shaft and piston 7 are coaxially mounted with the glue bin 5.

[0012] In a second aspect, the present invention further provides a method for injecting glue into a thick honeycomb core, wherein the honeycomb core is injected with glue using the device for injecting glue into the thick honeycomb core as described above, the method comprising: Step 1: After operating the motor 8 to move the piston 7 out of the bottom end of the glue bin 5, add colloid into the glue bin 5, start the motor 8 to drive the piston 7 to move upward along the glue bin 5, and discharge the air in the glue bin 5; Step 2, turn the hand wheel to raise the honeycomb core block 4; Step 3: Place the honeycomb core to be injected with glue on the top surface of the glue bin 5, and align the area to be injected with glue in the honeycomb core with the glue injection port on the top of the glue bin 5; Step 4: Turn the hand wheel to control the honeycomb core block 4 to move downward, and fix the honeycomb core between the block portion of the honeycomb core block 4 and the top surface of the glue bin 5; Step 5: Start the motor 8 and control the piston 7 to advance intermittently in the glue bin 5 to press the glue into the honeycomb core; Step 6: Observe on the display screen through the endoscope 10 camera whether the colloid has been poured to the top of the honeycomb core; Step 7, repeating steps 5 and 6 until the colloid is observed to have been injected into the top of the honeycomb core through the display screen of the endoscope 10; Step 8: Turn the hand wheel to control the honeycomb core block 4 to rise upward, switch the honeycomb core area to be injected with glue, and repeat steps 1 to 7 until the glue filling work of all the edge areas of the entire honeycomb core is completed.

[0013] Optionally, in the large thickness honeycomb core glue injection method described above, the large thickness honeycomb core glue injection device includes a motor control box 9 electrically connected to the motor 8, and the manner of controlling the intermittent advancement of the piston 7 in the glue bin 5 in step 5 includes: The motor 8 is controlled to operate in an intermittent power supply mode through the motor control box 9, that is, the piston 7 is controlled to advance intermittently in the glue bin 5; wherein, the intermittent power supply mode of the motor control box 9 is: the power-on and power-off durations are selected according to the viscosity of the glue in the glue bin 5 and the adhesion of the glue to the inner wall of the honeycomb core.

[0014] The beneficial effects of the present invention are as follows: The present invention provides a thick honeycomb core glue injection device and method. On the one hand, the motor 8 rotates to drive the piston 7 through the through-holes on the bottom plate of the glue injection operation table 1 and the glue silo fixing plate 6 to reach the bottom of the glue silo 5, move along the axial direction of the glue silo 5, and push the end plate inward until the end plate reaches the top of the glue silo 5. On the other hand, the rotation of the handwheel in the handwheel transmission mechanism 3 drives the honeycomb core pressing block 4 to move along the axial direction of the glue silo 5 between the top plate of the glue injection operation table 1 and the glue silo 5. The technical solutions provided by the embodiments of the present invention have at least the following beneficial effects: First, the glue tank of the present invention is driven by a coaxial motor during the glue injection process, which can provide glue injection pressure that cannot be provided by human hands. This is especially true for thick honeycomb cores that are difficult to inject manually. It can ensure that the glue has sufficient pressure to be pushed into the honeycomb core cavity. Second, the glue injection method provided by the present invention can adopt a gradual and intermittent glue injection method, allowing the glue to have sufficient time to release pressure by flowing during the injection process of the honeycomb core cavity, which can effectively prevent the honeycomb core from being damaged by excessive pressure in the cavity, such as tearing and delamination; Third, during the process of implementing glue injection using the glue injection device provided by the present invention, the endoscope 10 can be used to monitor the glue injection progress and glue injection quality in real time, so as to facilitate the observation of the glue injection feed amount and the overall glue injection progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.

[0016] Figure 1 A schematic structural diagram of a thick honeycomb core glue injection device and method provided by an embodiment of the present invention.

[0017] Description of reference numerals: Glue injection operating table 1, support frame 2, hand wheel transmission mechanism 3, honeycomb core pressing block 4, glue bin 5, glue bin fixing plate 6, piston 7, motor 8, motor control box 9, endoscope 10. DETAILED DESCRIPTION

[0018] To make the purpose, technical solutions and advantages of the present invention more clearly understood, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other in any manner.

[0019] As described in the above background art, filling the edge of the honeycomb core with glue is a key process and is important for the appearance and quality of products with honeycomb cores. However, for honeycomb cores with a relatively large thickness (thickness > 100 mm), due to a certain degree of adhesion between the glue and the inner wall of the honeycomb core, it is very difficult for manual labor to continue filling the glue into the honeycomb core cavity manually or with existing tools after the glue reaches a certain depth. The overall quality and speed of glue filling are greatly affected, and it also affects the quality of composite parts.

[0020] In view of the above problems, the present invention proposes a glue injection device and a glue injection method for large-thickness honeycomb cores to solve the problems of difficult manual glue injection and poor glue injection quality for large-thickness honeycomb cores.

[0021] The present invention provides several specific embodiments that can be combined with each other. For the same or similar concepts or processes, they may not be described again in some embodiments.

[0022] Figure 1 It is a schematic structural diagram of a glue injection device and a glue injection method for large-thickness honeycomb cores provided by an embodiment of the present invention. As Figure 1 shown, the main components of the glue injection device for large-thickness honeycomb cores provided by the embodiment of the present invention include: a glue injection operation table 1, a support frame 2, a handwheel drive mechanism 3, a honeycomb core pressing block 4, a glue tank 5, a glue tank fixing plate 6, a piston 7, and a motor 8.

[0023] Referring to Figure 1 the glue injection device for large-thickness honeycomb cores shown, in the embodiment of the present invention, the glue injection operation table 1 is fixedly installed on the upper end surface of the support frame 2. The motor 8 is fixedly installed by hanging below the bottom plate of the glue injection operation table 1, and a piston 7 is fixedly arranged between the motor 8 and the bottom plate of the glue injection operation table 1. The output shaft of the motor 8 is connected to the piston 7. A glue tank fixing plate 6 is fixedly arranged above the bottom plate of the glue injection operation table 1. The glue tank 5 is fixedly installed in the groove on the upper end surface of the glue tank fixing plate 6. Through holes for the piston 7 to pass through are provided at the corresponding positions of the bottom plate of the glue injection operation table 1 and the glue tank fixing plate 6. A glue injection port is opened at the top of the glue tank 5. <00,00077>

[0024] In specific implementation, the glue injection operation table 1 can be set as a U-shaped structure, with the top plate and the bottom plate arranged opposite to each other, and the side plates connecting the top plates as the support structure and the installation structure for other components.

[0025] The handwheel drive mechanism 3 is fixed above the top plate of the glue injection operation table 1. The screw part of the honeycomb core pressing block 4 passes through the top plate of the glue injection operation table 1 and the worm gear of the handwheel drive mechanism 3 from the bottom, forming a screw-nut pair cooperation structure with the handwheel drive mechanism 3, so that its pressing block part is located below the top plate and is arranged opposite to the top end surface of the glue tank 5.

[0026] The working mode of the glue injection device for large-thickness honeycomb cores provided by the present invention is as follows: On the one hand, under the action of the motor 8, the piston 7 can pass through the through holes on the bottom plate of the glue injection operation table 1 and the glue tank fixing plate 6 and reach the bottom of the glue tank 5, move along the axial direction of the glue tank 5 and push the end plate inward until the end plate reaches the top of the glue tank 5; On the other hand, the honeycomb core pressing block 4 can move between the top plate of the glue injection operation table 1 and the glue bin 5 along the axial direction of the glue bin 5 under the action of the hand wheel transmission mechanism 3 .

[0027] It should be noted that the honeycomb core pressing block 4 and the glue bin 5 in the embodiment of the present invention are coaxially arranged between the top plate and the bottom plate of the glue injection operating table 1. The coaxiality of the honeycomb core pressing block 4 and the glue bin 5 is ensured by the installation position of the top plate and the bottom plate. After the honeycomb core pressing block 4 is pressed tightly on the honeycomb core arranged on the top surface of the glue bin 5, the piston 7 pushes the internal pressure plate of the glue bin 5, and then the colloid in the glue bin 5 is injected into the interior of the honeycomb core from the glue injection port on the top of the glue bin 5.

[0028] In one implementation of an embodiment of the present invention, the handwheel transmission mechanism 3 includes: a handwheel, a worm and a worm wheel; the handwheel and the worm are coaxially fixedly connected, the worm and the worm wheel form a cylindrical worm pair matching structure, the screw of the honeycomb core pressing block 4 passes through the worm wheel of the handwheel transmission mechanism 3, and forms a screw-nut pair matching structure with the handwheel transmission mechanism 3; the worm is driven to rotate synchronously by the handwheel, and the worm drives the worm wheel to rotate around the axis, the thread in the worm wheel engages with the thread on the screw in the honeycomb core pressing block 4, and the rotation of the worm wheel causes the screw to drive the pressing block to move up and down along the screw axis.

[0029] In one implementation of an embodiment of the present invention, a thick honeycomb core glue injection device is characterized by further comprising an endoscope 10, wherein the camera of endoscope 10 is connected to a display screen via a USB data cable. In this implementation, the display screen of endoscope 10 is disposed on the top plate of the glue injection operation table 1. The camera passes through a through hole in the pressing portion of the honeycomb core pressing block 4 and reaches the bottom end surface of the pressing portion, thereby displaying the filling status of the colloidal liquid on the display screen during the glue injection process.

[0030] In one implementation of an embodiment of the present invention, a large-thickness honeycomb core glue injection device is characterized in that it also includes: a motor control box 9; the motor control box 9 is fixedly installed on the back end face of the glue injection operating table 1, and the motor control box 9 is electrically connected to the motor 8 for controlling the operation mode of the motor 8.

[0031] In a specific embodiment, the mounting structure of the motor 8 includes a mounting seat and a support rod; the top ends of the multiple support rods pass through the bottom plate of the glue injection operating table 1 and the glue bin fixing plate 6 respectively, and the top threaded ends are fixedly connected by nuts, and the bottom ends of the support rods pass through the mounting seat respectively, and the top threaded ends are fixedly connected by nuts; the motor 8 is fixedly mounted on the upper end face of the mounting seat, and its output shaft and piston 7 are coaxially mounted with the glue bin 5.

[0032] Based on the large thickness honeycomb core glue injection device provided in the above embodiment of the present invention, the embodiment of the present invention also provides a method for performing glue injection on a large thickness honeycomb core using the large thickness honeycomb core glue injection device provided in the above embodiment, the method comprising the following steps: Step 1: After operating the motor 8 to move the piston 7 out of the bottom end of the glue bin 5, add colloid into the glue bin 5, start the motor 8 to drive the piston 7 to move upward along the glue bin 5, and discharge the air in the glue bin 5; Step 2, turn the hand wheel to raise the honeycomb core block 4; Step 3: Place the honeycomb core to be injected with glue on the top surface of the glue bin 5, and align the area to be injected with glue in the honeycomb core with the glue injection port on the top of the glue bin 5; Step 4: Turn the hand wheel to control the honeycomb core block 4 to move downward, and fix the honeycomb core between the block portion of the honeycomb core block 4 and the top surface of the glue bin 5; Step 5: Start the motor 8 and control the piston 7 to advance intermittently in the glue bin 5 to press the glue into the honeycomb core; Step 6: Observe on the display screen through the endoscope 10 camera whether the colloid has been poured to the top of the honeycomb core; Step 7, repeating steps 5 and 6 until the colloid is observed to have been injected into the top of the honeycomb core through the display screen of the endoscope 10; Step 8: Turn the hand wheel to control the honeycomb core block 4 to rise upward, switch the honeycomb core area to be injected with glue, and repeat steps 1 to 7 until the glue filling work of all the edge areas of the entire honeycomb core is completed.

[0033] In a specific embodiment, the method of controlling the piston 7 to advance intermittently in the glue bin 5 in step 5 includes: controlling the motor 8 to operate in an intermittent power supply manner through the motor control box 9, that is, controlling the piston 7 to advance intermittently in the glue bin 5.

[0034] It should be noted that the intermittent power supply mode of the motor control box 9 is: the power-on and power-off durations are selected according to the viscosity of the colloid in the colloid bin 5 and the adhesion of the colloid to the inner wall of the honeycomb core.

[0035] In an optional embodiment, the motor control box 9 is intermittently powered in a manner of being powered on for 1 second and powered off for 3 seconds.

[0036] The present invention provides a device and method for injecting glue into a thick honeycomb core. On the one hand, the motor 8 rotates to drive the piston 7 through holes in the bottom plate of the injection operation table 1 and the glue silo fixing plate 6, reaching the bottom of the glue silo 5. The piston then moves along the axial direction of the glue silo 5 and pushes the end plate inward until it reaches the top of the glue silo 5. On the other hand, the handwheel in the handwheel transmission mechanism 3 rotates to drive the honeycomb core pressing block 4 along the axial direction of the glue silo 5 between the top plate of the injection operation table 1 and the glue silo 5. The technical solution provided by the present invention has at least the following beneficial effects: First, the glue tank of the present invention is driven by a coaxial motor during the glue injection process, which can provide glue injection pressure that cannot be provided by human hands. This is especially true for thick honeycomb cores that are difficult to inject manually. It can ensure that the glue has sufficient pressure to be pushed into the honeycomb core cavity. Second, the glue injection method provided by the present invention can adopt a gradual and intermittent glue injection method, allowing the glue to have sufficient time to release pressure by flowing during the injection process of the honeycomb core cavity, which can effectively prevent the honeycomb core from being damaged by excessive pressure in the cavity, such as tearing and delamination; Third, during the process of implementing glue injection using the glue injection device provided by the present invention, the endoscope 10 can be used to monitor the glue injection progress and glue injection quality in real time, so as to facilitate the observation of the glue injection feed amount and the overall glue injection progress.

[0037] Although the embodiments disclosed herein are as described above, the contents are merely provided to facilitate understanding of the present invention and are not intended to limit the present invention. Any person skilled in the art may make any modifications and variations in the form and details of the embodiments without departing from the spirit and scope of the present invention. However, the scope of patent protection of the present invention shall remain subject to the scope defined by the appended claims.

Claims

1. A thick honeycomb core glue injection device, characterized in that: include: Glue injection operation table (1), support frame (2), hand wheel mechanism (3), honeycomb core pressing block (4), glue bin (5), glue bin fixing plate (6), piston (7), motor (8); The glue injection operation table (1) is fixedly mounted on the upper end surface of the support frame (2), the motor (8) is suspended and fixedly mounted below the bottom plate of the glue injection operation table (1), and a piston (7) is fixedly arranged between the motor (8) and the bottom plate of the glue injection operation table (1), and the output shaft of the motor (8) is connected to the piston (7), a glue silo fixing plate (6) is fixedly arranged above the bottom plate of the glue injection operation table (1), the glue silo (5) is fixedly mounted in a groove on the upper end surface of the glue silo fixing plate (6), and corresponding positions of the glue injection operation table (1) bottom plate and the glue silo fixing plate (6) are provided with through holes for the piston (7) to pass through, and a glue injection port is opened on the top of the glue silo (5); The handwheel transmission mechanism (3) is fixed above the top plate of the glue injection operation table (1), and the screw portion of the honeycomb core pressing block (4) passes through the top plate of the glue injection operation table (1) and the worm gear of the handwheel transmission mechanism (3) from the bottom, forming a screw-nut pair matching structure with the handwheel transmission mechanism (3), so that its pressing block portion is located below the top plate and is arranged opposite to the top surface of the glue bin (5).

2. The thick honeycomb core glue injection device according to claim 1, characterized in that: The thick honeycomb core glue injection device is used to drive the piston (7) through the holes on the bottom plate of the glue injection operation table (1) and the glue bin fixing plate (6) through the rotation of the motor (8) to reach the bottom of the glue bin (5), move along the axial direction of the glue bin (5) and push the end plate inward until the end plate reaches the top of the glue bin (5); The thick honeycomb core glue injection device is also used to drive the honeycomb core pressing block (4) to move between the top plate of the glue injection operation table (1) and the glue bin (5) along the axial direction of the glue bin (5) by rotating the hand wheel in the hand wheel transmission mechanism (3).

3. The thick honeycomb core glue injection device according to claim 2, characterized in that: The honeycomb core pressing block (4) and the glue bin (5) are coaxially arranged between the top plate and the bottom plate of the glue injection operation table (1). The coaxiality of the honeycomb core pressing block (4) and the glue bin (5) is ensured by the installation position of the top plate and the bottom plate. After the honeycomb core pressing block (4) is pressed tightly against the honeycomb core arranged on the top surface of the glue bin (5), the internal pressure plate of the glue bin (5) is pushed by the piston (7), and the glue in the glue bin (5) is injected into the interior of the honeycomb core from the glue injection port at the top of the glue bin (5).

4. The thick honeycomb core glue injection device according to claim 2, characterized in that: The handwheel transmission mechanism (3) comprises: a handwheel, a worm and a worm wheel; the handwheel and the worm are coaxially fixedly connected, the worm and the worm wheel form a cylindrical worm pair matching structure, the screw of the honeycomb core pressing block (4) passes through the worm wheel of the handwheel transmission mechanism (3), and forms a screw nut pair matching structure with the handwheel transmission mechanism (3); the handwheel drives the worm to rotate synchronously, the worm drives the worm wheel to rotate around the axis, the thread in the worm wheel engages with the thread on the screw in the honeycomb core pressing block (4), and the rotation of the worm wheel causes the screw to drive the pressing block to move up and down along the screw axis.

5. The glue injection device for a thick honeycomb core according to any one of claims 1 to 4, characterized in that: Also includes: An endoscope (10), wherein a camera of the endoscope (10) is connected to a display screen via a USB data cable; The display screen of the endoscope (10) is arranged on the top plate of the glue injection operation table (1), and the camera passes through the through hole on the pressing block part of the honeycomb core pressing block (4) and reaches the bottom end surface of the pressing block part, and is used to display the injection status of the colloidal liquid on the display screen during the glue injection process.

6. The glue injection device for a thick honeycomb core according to any one of claims 1 to 4, characterized in that: Also includes: Motor control box (9); The motor control box (9) is fixedly mounted on the back end surface of the glue injection operation table (1), and the motor control box (9) is electrically connected to the motor (8) and is used to control the operation mode of the motor (8).

7. The glue injection device for a thick honeycomb core according to any one of claims 1 to 4, characterized in that: Also includes: A mounting base and support rod for mounting the motor (8); The top ends of the plurality of support rods are respectively passed through the bottom plate of the glue injection operation table (1) and the glue tank fixing plate (6), and the top threaded ends are fixedly connected by nuts. The bottom ends of the support rods are respectively passed through the mounting base, and the top threaded ends are fixedly connected by nuts. The motor (8) is fixedly mounted on the upper end surface of the mounting base, and its output shaft, piston (7) and glue tank (5) are coaxially mounted.

8. A method for injecting glue into a thick honeycomb core, characterized in that: The method for injecting glue into a thick honeycomb core using the thick honeycomb core injection device according to any one of claims 1 to 7 comprises: Step 1: After operating the motor (8) to withdraw the piston (7) from the bottom of the glue bin (5), add colloid into the glue bin (5), start the motor (8) to drive the piston (7) to move upward along the glue bin (5), and discharge the air in the glue bin (5); Step 2, turning the hand wheel to raise the honeycomb core pressing block (4); Step 3, placing the honeycomb core to be injected with glue on the top surface of the glue bin (5), and aligning the area to be injected with glue in the honeycomb core with the glue injection port at the top of the glue bin (5); Step 4, turning the hand wheel to control the honeycomb core pressing block (4) to move downward, and fixing the honeycomb core between the pressing block portion of the honeycomb core pressing block (4) and the top surface of the glue bin (5); Step 5, starting the motor (8), controlling the piston (7) to intermittently advance in the glue bin (5), and pressing the glue into the honeycomb core; Step 6, using the endoscope (10) camera to observe on the display screen whether the colloid has been poured to the top of the honeycomb core; Step 7, repeating steps 5 and 6 until the colloid is injected into the top of the honeycomb core as observed through the endoscope (10) display screen; Step 8: Turn the hand wheel to control the honeycomb core pressing block (4) to rise upwards, switch the honeycomb core area to be injected with glue, and repeat steps 1 to 7 until the glue filling work of all the edge areas of the entire honeycomb core is completed.

9. The method for injecting glue into a thick honeycomb core according to claim 8, characterized in that: The thick honeycomb core glue injection device includes a motor control box (9) electrically connected to the motor (8), and the method of controlling the piston (7) to intermittently advance in the glue bin (5) in step 5 includes: The motor (8) is controlled to operate in an intermittent power supply mode through the motor control box (9), that is, the piston (7) is controlled to advance intermittently in the glue bin (5); wherein the intermittent power supply mode of the motor control box (9) is as follows: the power-on and power-off durations are selected according to the viscosity of the glue in the glue bin (5) and the adhesion of the glue to the inner wall of the honeycomb core.

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