Engine combustion chamber surface mounting device

Abstract

The utility model provides an engine combustion chamber surface mounting device which comprises a machine table, a supporting mechanism, a first gluing mechanism, a conveying mechanism and a rolling mechanism, the supporting mechanism is arranged on the machine table and used for supporting a combustion chamber shell, and the conveying mechanism is connected to the machine table and used for conveying a heat insulation sheet; the first gluing mechanism is connected to the machine table, located above the conveying mechanism and used for gluing the heat insulation pieces. The rolling mechanism is arranged at the end of the conveying mechanism and used for receiving the heat insulation pieces conveyed by the conveying mechanism and rolling the heat insulation pieces to the inner wall of the combustion chamber shell. According to the surface mounting device for the engine combustion chamber, the technical problem that in the prior art, a manual surface mounting mode is poor in process consistency is solved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of patches, and more particularly to an engine combustion chamber patch device. BACKGROUND

[0002] The solid rocket engine combustion chamber has a heat insulation layer between the inner wall of the combustion chamber shell and the solid propellant, which mainly plays a role of heat insulation and corrosion resistance, can reduce the speed of heat transfer from high-temperature gas to the shell, and ensure the thermal safety of the shell during engine ignition.

[0003] The traditional heat insulation layer manufacturing process adopts manual patching, but the manual patching method has a large fluctuation range of the thickness of the glue layer and poor process consistency. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the embodiment of the application is to provide an engine combustion chamber patch device to solve the technical problem of poor process consistency of the manual patching method in the prior art.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the application is: providing an engine combustion chamber patch device, comprising: a machine table; a support mechanism provided on the machine table, the support mechanism being used for supporting the combustion chamber shell; a conveying mechanism connected to the machine table, the conveying mechanism being used for conveying the heat insulation sheet; a first glue applying mechanism connected to the machine table and located above the conveying mechanism, the first glue applying mechanism being used for applying glue to the heat insulation sheet; and a rolling mechanism provided at the end of the conveying mechanism, the rolling mechanism being used for receiving the heat insulation sheet conveyed by the conveying mechanism and rolling the heat insulation sheet into the inner wall of the combustion chamber shell.

[0006] In an optional embodiment, the support mechanism comprises a support frame, the support frame comprising a support seat, the support seat being provided with a support space, the transverse width of the support space gradually decreasing from the opening end to the bottom, and the opposite two inner side walls of the support space being inclined, the support space being used for placing the combustion chamber shell.

[0007] In an optional embodiment, the support mechanism further comprises a lifting piece, the lifting piece being provided on the machine table, the lifting piece being connected with the support seat and being used for adjusting the height of the support seat.

[0008] In an optional embodiment, the support mechanism further comprises a clamping piece, the clamping piece being provided on the machine table, the clamping piece being used for clamping and fixing the end of the combustion chamber shell.

[0009] In an optional embodiment, the support mechanism further comprises a rotating piece, the rotating piece being provided on the machine table, the rotating piece being connected with the clamping piece and being used for driving the clamping piece to rotate so as to drive the combustion chamber shell to rotate.

[0010] In an optional embodiment, the support frame further comprises at least one roller rotatably connected to the support base and located in the support space, and the roller is used to contact the outer wall of the combustion chamber shell accommodated in the support space.

[0011] In an optional embodiment, the engine combustion chamber patch device further comprises a moving mechanism, the moving mechanism comprises a longitudinal moving member and a transverse moving member, the support mechanism is arranged at the driving end of the transverse moving member, and the transverse moving member is connected to the driving end of the longitudinal moving member; the transverse moving member is used to drive the support mechanism and the combustion chamber shell located on the support mechanism to move in the transverse direction, and the longitudinal moving member is used to drive the transverse moving member to move in the longitudinal direction.

[0012] In an optional embodiment, the rolling mechanism comprises a roller and a clamping member, the clamping member is connected to the conveying mechanism, the clamping member is used to receive the heat insulation sheet and clamp the heat insulation sheet, and the roller is rotatably connected to the conveying mechanism, the roller is used to abut against the heat insulation sheet and roll the heat insulation sheet to the inner wall of the combustion chamber shell.

[0013] In an optional embodiment, the engine combustion chamber patch device further comprises a transfer mechanism arranged at one side of the machine table, the transfer mechanism comprises a clamping arm and a driving assembly, the clamping arm is used to clamp the heat insulation sheet conveyed by the conveying mechanism, and the driving assembly is used to drive the clamping arm to move and convey the heat insulation sheet to the clamping member.

[0014] In an optional embodiment, the engine combustion chamber patch device further comprises a hopper and a feeding mechanism, the hopper is used to place the heat insulation sheet, and the feeding mechanism is used to transfer the heat insulation sheet in the hopper to the conveying mechanism.

[0015] The engine combustion chamber patch device provided by the application has the following beneficial effects: compared with the prior art, the engine combustion chamber patch device of the embodiment of the application stably supports the combustion chamber shell by arranging the support mechanism, the conveying mechanism realizes continuous conveying of the heat insulation sheet, the operation efficiency is improved, the first gluing mechanism is located above the conveying mechanism and automatically glues the heat insulation sheet, the uniformity of the glue layer thickness is ensured, the process consistency is ensured, the rolling mechanism completes accurate positioning and pressing of the heat insulation sheet; manual operation is replaced by mechanical automation, the standardization and repeatability of the patch process are realized, the adhesive amount is accurately controlled to ensure the bonding strength of the heat insulation sheet and the inner wall of the combustion chamber shell, the stability of the product quality is improved, the flatness and the fit degree of the patch are significantly improved; at the same time, the operation time is reduced by automatic operation, and the patch efficiency is significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0017] Figure 1 The cooperation structure schematic diagram of the engine combustion chamber patch device and the combustion chamber shell provided by the embodiments of the present application is shown in the figure.

[0018] Figure 2 The enlarged schematic diagram of A in the figure. Figure 1

[0019] Figure 3 The structure schematic diagram of the rolling mechanism provided by the embodiments of the present application is shown in the figure.

[0020] Figure 4 The partial structure schematic diagram of the engine combustion chamber patch device provided by the embodiments of the present application is shown in the figure. Figure 1

[0021] Figure 5 The partial structure schematic diagram of the engine combustion chamber patch device provided by the embodiments of the present application is shown in the figure. Figure 2

[0022] Figure 6 The cooperation structure schematic diagram of the support frame and the lifting piece provided by the embodiments of the present application is shown in the figure.

[0023] Figure 7 The partial structure schematic diagram of the engine combustion chamber patch device provided by the embodiments of the present application is shown in the figure. Figure 3 .

[0024] In the figure, various reference signs are as follows:

[0025] 100-engine combustion chamber patch device; 10-machine table; 20-support mechanism; 21-support frame; 211-support seat; 2111-support space; 212-roller; 22-lifting piece; 23-clamping piece; 24-rotating piece; 30-second glue applying mechanism; 40-conveying mechanism; 50-rolling mechanism; 51-roller; 52-clamping piece; 53-force control swing piece; 54-connecting piece; 60-moving mechanism; 61-longitudinal moving piece; 62-lateral moving piece; 70-transferring mechanism; 71-clamping arm; 72-driving assembly; 80-first glue applying mechanism; 81-micro flow pump; 82-glue liquid pressure tank; 91-material bin; 92-feeding mechanism; 200-combustion chamber shell; 300-heat insulation sheet. DETAILED DESCRIPTION

[0026] ​​​​In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, further detailed description will be made below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0029] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0030] The solid rocket combustion chamber shell has a thermal insulation layer between the combustion chamber shell inner wall and the solid propellant, which mainly plays a role of heat insulation and corrosion resistance, can reduce the speed of heat transfer from high-temperature gas to the shell, and ensure the thermal safety of the shell part during engine ignition operation.

[0031] The traditional thermal insulation layer manufacturing process adopts manual patching. However, the manual patching method, in which the operator enters the charged combustion chamber to manually patch, first applies glue on the inner wall of the shell, and then pastes the thermal insulation sheet to the inner wall of the shell, is prone to cause misalignment of the sheet edges (typical error ≥5mm), and has long patching time and low patching efficiency. The operator uses a brush to dip the glue and apply it on the inner wall of the combustion chamber shell, and the thickness of the glue layer fluctuates in the range of 0.3㎜~1.2mm, which has poor process consistency and low patching efficiency. Moreover, the operator directly contacts the toxic adhesive, which has high safety risk.

[0032] Please refer to Figures 1 to 7The engine combustion chamber patch device 100 provided by the embodiment of the application will be described. The engine combustion chamber patch device 100 comprises: a machine table 10; a support mechanism 20 arranged on the machine table 10, the support mechanism 20 being used for supporting a combustion chamber shell 200; a conveying mechanism 40 connected to the machine table 10, the conveying mechanism 40 being used for conveying an insulating sheet 300; a first gluing mechanism 80 connected to the machine table 10 and located above the conveying mechanism 40, the first gluing mechanism 80 being used for gluing the insulating sheet 300; and a rolling mechanism 50 arranged at an end of the conveying mechanism 40, the rolling mechanism 50 being used for receiving the insulating sheet 300 conveyed by the conveying mechanism 40 and rolling the insulating sheet 300 into the inner wall of the combustion chamber shell 200.

[0033] The machine table 10 is a basic structural framework of the device, used for bearing and fixing other functional components, and providing a stable basis for operations such as supporting, gluing and rolling. The machine table 10 can specifically adopt a box type structure or a frame type structure and the like, and has sufficient strength and stability.

[0034] The support mechanism 20 refers to a component used for supporting and fixing the combustion chamber shell 200, and provides stable support for the shell to ensure the accuracy of the patch operation. The support mechanism 20 can specifically adopt a support frame 21 and the like to achieve the purpose.

[0035] The first gluing mechanism 80 refers to a device for gluing the insulating sheet 300, and ensures uniform coverage of the surface glue layer of the insulating sheet 300 by being arranged above the conveying path. The first gluing mechanism 80 can adopt a fixed gluing head or a movable spraying component. For example, the first gluing mechanism 80 is provided with a fixed frame and a gluing head, the fixed frame spans above the conveying mechanism 40, and the gluing head is installed on the fixed frame and can move vertically along the fixed frame to approach the insulating sheet 300. The gluing head can adopt a brush head design, which is used for uniformly gluing the surface of the insulating sheet 300 in transmission. Automatic operation can better guarantee the thickness and uniformity of each gluing, ensure process consistency, and reduce the waste of glue compared with manual operation, and reduce the problem of irregular or excessive use of glue caused by manual operation.

[0036] In some embodiments, the first gluing mechanism 80 is further connected with a micro-flow pump 81, and through closed-loop system control, the fluctuation range of the glue thickness can be reduced to about 0.04 mm. Precise metering system control makes the gluing uniform and reduces the waste of adhesive. In addition, a glue liquid pressure tank 82 is arranged in communication with the first gluing mechanism 80 to supplement the glue liquid.

[0037] The conveying mechanism 40 refers to an automatic assembly for conveying the heat insulation sheet 300, responsible for conveying the pre-cut heat insulation sheet 300 to the designated position, and can continuously convey the heat insulation sheet 300, reducing manual handling time and improving patch efficiency. The conveying mechanism 40 can adopt a belt conveyor or a roller conveying mechanism, etc. The conveying mechanism 40 can ensure that each piece of heat insulation material can accurately reach the predetermined position by accurately controlling the conveying speed and path, reducing errors caused by human factors such as mispositioning, skewing, etc., thereby improving the quality stability of the final product.

[0038] The rolling mechanism 50 refers to an assembly for pressing the heat insulation sheet 300 to the inner wall of the combustion chamber shell 200, which can be realized by a pressure roller or a flattening block, and can be matched with a pressure adjusting device; for example, the pressure roller can roll between the heat insulation sheet 300 and the inner wall of the combustion chamber shell 200, and the pressure adjusting device adjusts the rolling pressure of the pressure roller. The rolling mechanism 50 eliminates bubbles and enhances the contact tightness of the heat insulation sheet 300 and the shell by rolling and pressing.

[0039] Through the integration of the support mechanism 20, the first gluing mechanism 80, the conveying mechanism 40 and the rolling mechanism 50 on the machine 10, the design of the support mechanism 20 ensures the stability of the combustion chamber shell 200, providing a basis for subsequent operations, the first gluing mechanism 80 can realize a precisely controlled gluing process, ensuring uniform thickness of the glue layer, and the cooperation of the conveying mechanism 40 and the rolling mechanism 50 realizes automatic transmission and precise installation of the heat insulation sheet 300, avoiding positioning errors in manual operation, forming an automatic patching system, replacing manual operation, and solving the problems of patch mispositioning, uneven glue layer thickness, low efficiency and safety risks in traditional patching process.

[0040] Gluing, feeding, patching and rolling are integrated on the same machine 10 to form a flow line type operation, greatly shortening the single patching cycle time, supporting continuous operation, suitable for large-scale and batch production requirements, reducing dependence on manpower, and reducing labor cost and labor intensity. The entire patching process is completed in a closed or semi-closed device, and the operator only needs to load and monitor; the glue is delivered by a closed pipeline, reducing volatilization and splashing; since the operator does not need to enter the interior of the combustion chamber shell 200, the safety risk of contacting toxic adhesives is also reduced; the heat insulation sheet 300 is automatically conveyed, avoiding the risk of scratches caused by manual handling and cutting, and improving the production safety level.

[0041] The cooperation process of each component is that first, the combustion chamber shell 200 is fixed on the support mechanism 20, the conveying mechanism 40 starts to convey the heat insulation sheet 300, the first glue coating mechanism 80 is started to uniformly coat the heat insulation sheet 300, after coating, the heat insulation sheet 300 is continuously conveyed to the position, the rolling mechanism 50 receives the heat insulation sheet 300 and accurately rolls the heat insulation sheet 300 on the inner wall of the combustion chamber shell 200. The automatic operation mode can ensure the uniformity of the glue layer and the positioning accuracy of the heat insulation sheet 300, and effectively solve the problem of uneven glue layer thickness caused by manual operation.

[0042] The engine combustion chamber patch device 100 provided by the embodiment of the application, compared with the prior art, through the support mechanism 20 for stably supporting the combustion chamber shell 200, the conveying mechanism 40 realizes continuous conveying of the heat insulation sheet 300, the operation efficiency is improved, the first glue coating mechanism 80 is located above the conveying mechanism 40 and automatically coats the heat insulation sheet 300, the uniformity of the glue layer thickness is ensured, the process consistency is ensured, and the rolling mechanism 50 completes accurate positioning and pressing of the heat insulation sheet 300; through mechanical automation instead of manual operation, standardization and repeatability of the patch process are realized, the glue amount is accurately controlled to ensure the bonding strength of the heat insulation sheet 300 and the inner wall of the combustion chamber shell 200, the stability of product quality is improved, and the flatness and the fitting degree of the patch are significantly improved; at the same time, through automatic operation, the operation time is reduced, and the patch efficiency is significantly improved.

[0043] In some embodiments of the application, please refer to Figures 4 to 6 The support mechanism 20 includes a support frame 21, the support frame 21 includes a support seat 211, the support seat 211 is provided with a support space 2111, the transverse width of the support space 2111 gradually decreases from the opening end to the bottom, and the opposite two inner side walls of the support space 2111 are inclined, and the support space 2111 is used for placing the combustion chamber shell 200.

[0044] After the combustion chamber shell 200 is placed in the support space 2111 through the opening end, the self weight of the shell makes it slide along the inclined wall to the bottom until the outer wall is in full contact with the two inclined walls. The normal component of the inclined wall presses the shell to the center, preventing lateral displacement.

[0045] The width gradient structure of the support space 2111 enables three-point contact positioning of different diameter shells. For example Figure 6Specifically, two inclined inner side wall surfaces form a V-shaped guide structure, when the cylindrical combustion chamber shell 200 is placed in the V-shaped support space 2111, its outer wall is in contact with the two side slopes, and the three form a stable geometric constraint relationship. According to geometric principles, the contact point of the cylinder in the V-shaped groove determines the center position, as long as the V-shaped angle is fixed, the center position is uniquely determined, thereby realizing the self-centering function. After the combustion chamber shell 200 is placed in the support space 2111, it is automatically centered along the central axis without the need for additional adjustment; ensure the consistency of the coaxiality between multiple support points to avoid shell deflection. In subsequent patching and other processes, the shell rotation axis is stable, and the process precision is improved.

[0046] The support seat 211 can adopt a metal frame structure, the opening end width is greater than the outer diameter of the combustion chamber shell 200, and the bottom width is less than the outer diameter of the shell. The support space 2111 is in an inverted trapezoidal structure, and the bottom of the support space 2111 can be provided with an arc-shaped groove matched with the outer diameter of the shell. The depth of the support space 2111 can be designed according to the size of the combustion chamber shell 200 to ensure that the combustion chamber shell 200 can be stably placed.

[0047] By setting the support space 2111, the combustion chamber shell 200 can naturally sink into the support space 2111 and tightly fit with the inclined inner side wall surface, increasing the contact points and contact area between the combustion chamber shell 200 and the support seat 211, and realizing stable support of the combustion chamber shell 200. At the same time, the inclined inner side wall surface can also guide the combustion chamber shell 200, facilitating the accurate placement of the combustion chamber shell 200 by the operator. In addition, the support structure is suitable for combustion chamber shells 200 of different diameters, increasing the applicability of the device.

[0048] In some embodiments of the present application, referring to Figure 5 and Figure 6 The support mechanism 20 further comprises a lifting member 22, which is arranged on the machine table 10 and connected with the support seat 211, and is used for adjusting the height of the support seat 211.

[0049] By controlling the extension and retraction of the lifting member 22, the height of the support seat 211 can be adjusted to adapt to combustion chamber shells 200 of different sizes. The lifting member 22 can adopt a hydraulic cylinder or an electric push rod structure, and its driving end is rigidly connected with the bottom of the support seat 211. When the combustion chamber shell 200 is placed in the support seat 211, the lifting member 22 lifts or lowers the support seat 211 according to the preset program, so that the height of the combustion chamber shell 200 matches the height of the rolling mechanism 50, or matches the height of the second gluing mechanism 30 as described below. For example, when the diameter of the combustion chamber shell 200 increases by 50 mm, the support seat 211 is lowered by 25 mm to keep the combustion chamber shell 200 aligned with the rolling mechanism 50. In addition, as Figure 6A guide column is arranged between the support seat 211 and the machine table 10 to limit the movement of the support seat 211 to the vertical direction only.

[0050] The lifting member 22 can adapt to combustion chamber shells 200 of different diameters, and the application range is expanded, so that the device can process combustion chamber shells 200 of various specifications, and the versatility and practicality of the device are improved.

[0051] In some embodiments of the present application, referring to Figure 4 and Figure 5 , the support seat 211 is provided in multiple, and the multiple support seats 211 are arranged along the axial direction of the combustion chamber shell 200 on the machine table 10.

[0052] By arranging multiple support seats 211, the self-weight load of the combustion chamber shell 200 can be effectively shared, and multi-point uniform support can be achieved, thereby reducing the risk of shell deformation. The combustion chamber shell 200 is usually a thin-walled cylindrical structure with a large length-diameter ratio, and has limited rigidity. The multiple support seats 211 are distributed along the axial direction to form multi-span continuous support, which significantly reduces the span and bending moment of each span, thereby controlling the overall deformation. This ensures that the inner wall of the shell maintains an ideal cylindrical surface when the heat insulation layer is attached, avoids defects such as wrinkles and debonding of the attached layer due to shell deformation, ensures process consistency, and improves the stability and vibration resistance of the overall system.

[0053] The multiple support seats 211 are arranged along the axial direction of the shell at equal intervals or non-equal intervals, and each support seat 211 can be independently connected to the lifting member 22 or controlled in groups. All support seats 211 jointly constrain the axial position of the shell to ensure that it remains straight within the full length range.

[0054] By adjusting the number and spacing of the support seats 211, shells of different lengths can be adapted, and the versatility of the device is improved. For short shells, fewer support points are used, and for long shells, more support points are added to maintain a reasonable span ratio. In some embodiments, as shown in Figure 4 , five support seats 211 are provided. This can provide more stable support and prevent the combustion chamber shell 200 from deforming or displacing during processing.

[0055] In some embodiments of the present application, referring to Figure 4 and Figure 5 , the support mechanism 20 further includes a clamping member 23 arranged on the machine table 10, and the clamping member 23 is used to clamp and fix the end of the combustion chamber shell 200.

[0056] The clamping member 23 can ensure that the combustion chamber shell 200 does not displace or tilt during the attachment process by clamping one end of the combustion chamber shell 200, thereby ensuring attachment precision and process consistency.

[0057] The clamping member 23 can adopt a hydraulic clamping device, including a clamping jaw and a hydraulic cylinder, the hydraulic cylinder drives the clamping jaw to open and close, and clamps or releases the combustion chamber shell 200. In some embodiments, as shown in Figure 5 , the clamping member 23 adopts an adjustable clamping jaw structure, the inner side or end face of the clamping jaw can be provided with anti-skid lines, and the clamping jaw can be adjusted, enlarged or reduced, to adapt to combustion chamber shells 200 of different diameters. The adjustability of the clamping member 23 enables the device to adapt to combustion chamber shells 200 of different specifications, increasing the range of application and flexibility of the device. When the rolling mechanism 50 is operating, the clamping member 23 offsets the radial pressure applied by the pressure roller, preventing the shell from moving axially and ensuring the positioning accuracy of the heat insulating sheet 300.

[0058] In some embodiments, as shown in Figure 5 , during operation, one end of the combustion chamber shell 200 is inserted into the clamping member 23, the driving device pushes the clamping jaw to close to achieve axial fixation, and the lifting member 22 adjusts the height of the support seat 211, so that the main body of the combustion chamber shell 200 is erected in the support space 2111 of the support seat 211, achieving stable support and positioning of the combustion chamber shell 200. During the sheeting operation, the combustion chamber shell 200 will not move or shake, ensuring the accuracy and consistency of the sheeting.

[0059] In some embodiments of the present application, please refer to Figure 4 , the support mechanism 20 further comprises a rotating member 24, which is arranged on the machine table 10, and is connected with the clamping member 23, for driving the clamping member 23 to rotate, so as to drive the combustion chamber shell 200 to rotate.

[0060] By arranging the rotating member 24, the clamping member 23 can be driven to rotate, so as to realize automatic rotation of the combustion chamber shell 200, and the rolling mechanism 50 can perform comprehensive sheeting on the inner wall of the combustion chamber shell 200. The automatic rotation of the combustion chamber shell 200 is realized, without the need for manual rotation of the combustion chamber shell 200, which improves the automation degree of the sheeting process of the combustion chamber shell 200, reduces manual operation, reduces sheeting errors, ensures process consistency, and improves sheeting efficiency.

[0061] The rotating member 24 can adopt a servo motor or a stepping motor, and the output shaft thereof is rigidly connected with the rotating shaft of the clamping member 23 through a shaft coupling. In some embodiments, as shown in Figure 4 , the output shaft of the motor is connected with a speed reducer, and the output end of the speed reducer is connected with the shaft coupling of the clamping member 23. The rotating member 24 can accurately control the rotating angle, so that each rotation of the shell can maintain a small axial sheeting joint misalignment amount.

[0062] When the rolling mechanism 50 completes a straight-line patching operation along the axial direction of the combustion chamber shell 200, the rotating member 24 drives the clamping member 23 to rotate the combustion chamber shell 200 around the axis by a predetermined angle. After the angle adjustment is completed, the rolling mechanism 50 performs the next straight-line patching operation along the axial direction. The process is repeated until the entire inner wall circumferential surface is patched. For example, when the rotating angle is set to 30 degrees, 12 angle adjustments are required to achieve 360-degree full circumferential surface patching. By controlling the rotation of the combustion chamber shell 200, different positions of the inner wall of the combustion chamber shell 200 can be exposed to the working area of the rolling mechanism 50 in turn, thereby achieving comprehensive patching of the inner wall of the combustion chamber shell 200.

[0063] In some embodiments of the present application, referring to Figure 6 The support frame 21 further comprises at least one roller 212 rotatably connected to the support seat 211 and located in the support space 2111. The roller 212 is used to contact the outer wall of the combustion chamber shell 200 accommodated in the support space 2111.

[0064] When the rotating member 24 drives the combustion chamber shell 200 to rotate, the contact part of the shell and the roller 212 generates rolling friction, achieving stable support and flexible rotation of the combustion chamber shell 200 in the support space 2111.

[0065] As Figure 6 The roller 212 is installed in the mounting groove of the support seat 211 through a connecting shaft, and the axis direction is parallel to the axial direction of the combustion chamber shell 200. The roller 212 can be installed with bearings to achieve free rotation. The roller 212 can be provided in multiple numbers, and a plurality of roller 212 mounting grooves are provided on the support seat 211. The number and position of the roller 212 can be adjusted according to the size of the combustion chamber shell 200. In some embodiments, the roller 212 is provided in four numbers, and the four rollers 212 are arranged in pairs on the two side walls of the support space 2111. The plurality of rollers 212 are symmetrically arranged to form stable support points.

[0066] In other embodiments, as Figure 6 The roller 212 cooperates with the V-shaped support surface of the support seat 211 to further constrain the position of the shell. Under the action of gravity, the shell naturally sinks to the lowest potential energy position formed by the roller 212 and the inclined surface, achieving posture adjustment and auxiliary centering, and improving positioning accuracy.

[0067] The roller 212 is in contact with the outer wall of the combustion chamber shell 200, which reduces the friction and facilitates the rotation of the combustion chamber shell 200 in the support space 2111. At the same time, the arrangement of the roller 212 avoids the direct contact between the combustion chamber shell 200 and the support seat 211, thereby reducing the risk of scratching the outer wall of the combustion chamber shell 200. The roller 212 provides uniform and continuous support force, avoids local jamming, reduces shaking, jerk or axis deviation during rotation, and improves the quality stability of precision operations such as patching and gluing.

[0068] In some embodiments of the present application, referring to Figure 4 and Figure 5 , the engine combustion chamber patching device 100 further comprises a moving mechanism 60, which comprises a longitudinal moving part 61 and a transverse moving part 62. The support mechanism 20 is arranged at the driving end of the transverse moving part 62, and the transverse moving part 62 is connected to the driving end of the longitudinal moving part 61. The transverse moving part 62 is used to drive the support mechanism 20 and the combustion chamber shell 200 located on the support mechanism 20 to move in the transverse direction, and the longitudinal moving part 61 is used to drive the transverse moving part 62 to move in the longitudinal direction.

[0069] The transverse direction refers to the width direction of the machine table 10, and the longitudinal direction refers to the length direction of the machine table 10, i.e. the axial direction of the combustion chamber shell 200. The longitudinal movement means driving the combustion chamber shell 200 to translate in its axial direction, approaching or moving away from the rolling mechanism 50; the transverse movement means controlling the shell to translate in a direction perpendicular to the axial direction, which can be aligned with different working positions. For example, Figure 1 , the second gluing mechanism 30 and the rolling mechanism 50 described below are aligned respectively. After completing one axial straight line area, the shell is rotated by an angle, and then the patching of the next parallel path is performed. The entire axial length and the circumferential direction of the inner wall of the combustion chamber shell 200 can be completely patched, and finally the full coverage patching of the inner wall of the shell is realized, which guarantees the thermal safety of the engine.

[0070] The longitudinal moving part 61 or the transverse moving part 62 can adopt a combination of a motor and a ball screw, or a combination of a linear guide rail and a servo motor. In some embodiments, as shown in Figure 4 and Figure 5 , the transverse moving part 62 is provided with multiple groups to disperse the bearing load and maintain the stability of movement. In other embodiments, as shown in Figure 4 , the longitudinal moving part 61 is provided with multiple guide rails to improve the guiding accuracy and motion stability during movement. For example, Figure 1, the stroke range of the longitudinal moving member 61 covers the axial length between the combustion chamber shell 200 and the rolling mechanism 50, and the stroke range of the transverse moving member 62 covers the distance between the rolling mechanism 50 and other operation mechanisms (such as the second gluing mechanism 30 described below). Different lengths and diameters of the combustion chamber shell 200 can be adapted by adjusting the moving stroke and the patch path. In addition, the transverse and longitudinal movements can be closed-loop controlled, such as by setting encoder feedback, and the motion trajectory can be accurately planned by a PLC or a numerical control system, in cooperation with sensors such as limit switches, to ensure accurate positioning each time.

[0071] The transverse moving member 62 translates the shell to the corresponding working position to start the rolling process and the like, and the longitudinal moving member 61 controls the shell to advance by one patch segment length each time; after completion, it is withdrawn and the next segment is fed, forming a modular and repeatable process unit, which decomposes large-size patch tasks into multiple small-area operations, reducing the difficulty of single operation. Each patching process is independently controllable, facilitating quality monitoring and parameter optimization. It is suitable for long cylindrical bodies, large curvature or complex structure combustion chambers. The entire patching process can be fully automatic, reducing manual intervention and the risk of human error, and supporting 24-hour continuous production.

[0072] In some embodiments of the present application, please refer to Figure 2 and Figure 3 The rolling mechanism 50 includes a roller 51 and a clamping member 52. The clamping member 52 is connected to the conveying mechanism 40 and is used to receive and clamp the heat-insulating sheet 300. The roller 51 is rotationally connected to the conveying mechanism 40 and is used to abut against the heat-insulating sheet 300 and roll the heat-insulating sheet 300 into the inner wall of the combustion chamber shell 200.

[0073] The clamping member 52 adopts a mechanical clamping structure, and its connection position is located on the conveying mechanism 40. The clamping end is close to the end of the conveying mechanism 40. The clamping member 52 can clamp the heat-insulating sheet 300, and the clamping surface thereof forms surface contact with the edge of the heat-insulating sheet 300. The roller 51 is rotationally connected to the support of the conveying mechanism 40 through a bearing, and its axis direction is perpendicular to the transmission direction of the conveying mechanism 40. The roller 51 can be made of rubber material to increase the friction force with the heat-insulating sheet 300.

[0074] When the conveying mechanism 40 delivers the heat-insulating sheet 300 to the end position, the two clamping surfaces of the clamping member 52 are synchronously closed to fix the two side edges of the heat-insulating sheet 300 by friction. At the same time, the combustion chamber shell 200 and the roller 51 are relatively displaced in the axial direction, the roller 51 keeps rolling contact with the inner wall of the shell and rotates around its own axis, and the heat-insulating sheet 300 is gradually pressed and combined to the predetermined position.

[0075] In some embodiments, as Figure 3, the clamping member 52 can adopt a pneumatic clamping jaw structure, including two oppositely arranged clamping jaws; the clamping jaws are driven to open and close by a pneumatic cylinder to clamp or release the heat insulation sheet 300. In other embodiments, the roller 51 can adopt a cylindrical roller 212 made of rubber material, which is connected to the conveying mechanism 40 through a bearing. The diameter of the roller 51 can be selected according to the curvature of the combustion chamber shell 200 to ensure good fitting effect.

[0076] In use, the conveying mechanism 40 conveys the heat insulation sheet 300 to the clamping member 52, the clamping member 52 clamps one end of the heat insulation sheet 300, and the roller 51 abuts against the heat insulation sheet 300. Then, the roller 51 and the combustion chamber shell 200 are relatively displaced in the axial direction, and the rolling mechanism 50 moves along the inner wall of the combustion chamber shell 200. In this process, the roller 51 applies pressure to and rolls on the heat insulation sheet 300, so that the heat insulation sheet 300 is uniformly fitted on the inner wall of the combustion chamber shell 200. Through this design, the automatic fitting process of the heat insulation sheet 300 is realized. The rolling action of the roller 51 can ensure that the heat insulation sheet 300 is closely fitted with the inner wall of the combustion chamber shell 200, so as to reduce the generation of air bubbles and wrinkles. At the same time, the use of the clamping member 52 ensures the stability of the heat insulation sheet 300 during the fitting process, preventing misplacement and deformation. The automatic rolling fitting mode significantly improves the efficiency and quality consistency of the sheet fitting, overcoming the problems of misplacement of the sheet edge and poor process consistency caused by manual fitting.

[0077] In other embodiments, referring to Figure 3 , the rolling mechanism 50 further includes a force control swing member 53 and a connecting member 54. One end of the connecting member 54 is rotationally connected to the connecting end of the conveying mechanism 40, the roller 51 is rotationally connected to the other end of the connecting member 54, and the clamping member 52 is connected to the other end of the connecting member 54. The force control swing member 53 is fixed to the conveying mechanism 40, and the swing end of the force control swing member 53 is rotationally connected to the connecting member 54. The force control swing member 53 is used to drive the connecting member 54 to rotate about the connecting point of the conveying mechanism 40. By setting the force control swing member 53 and the connecting member 54, the rolling pressure of the roller 51 can be accurately controlled. The extension and retraction of the force control swing member 53 can drive the connecting member 54 to rotate, so as to change the distance and contact angle between the roller 51 and the inner wall of the combustion chamber shell 200. The adjustable rolling mechanism 50 can adapt to combustion chamber shells 200 of different shapes and sizes, ensuring that the heat insulation sheet 300 can be uniformly fitted on the inner wall of the shell. At the same time, by adjusting the rolling pressure, excessive pressure on the heat insulation sheet 300 can be avoided, preventing the heat insulation sheet 300 from being deformed or damaged. In addition, the flexibility and adaptability of the rolling process are improved, which is conducive to improving the sheet fitting quality and efficiency.

[0078] In some embodiments of the present application, referring to Figure 1 and Figure 2The engine combustion chamber patch device 100 further comprises a transfer mechanism 70 arranged on one side of the machine table 10. The transfer mechanism 70 comprises a clamping arm 71 and a driving assembly 72. The clamping arm 71 is used to clamp the heat insulation sheet 300 conveyed by the conveying mechanism 40. The driving assembly 72 is used to drive the clamping arm 71 to move and convey the heat insulation sheet 300 to the clamping part 52.

[0079] The clamping arm 71 of the transfer mechanism 70 can adopt a pneumatic gripper structure composed of two oppositely arranged grippers. The driving assembly 72 can be arranged as a pneumatic cylinder and a motor. The pneumatic cylinder drives the clamping arm 71 to move up and down, and the motor drives the clamping arm 71 to rotate. The driving assembly 72 can be arranged as multiple driving members capable of moving in the vertical direction, the horizontal direction or the longitudinal direction to meet the needs of the clamping arm 71 to transfer the heat insulation sheet 300.

[0080] In use, the clamping arm 71 of the transfer mechanism 70 moves to the end of the conveying mechanism 40. The clamping arm 71 first clamps the heat insulation sheet 300 on the conveying mechanism 40, and then the driving assembly 72 drives the clamping arm 71 to move and place the heat insulation sheet 300 on the clamping part 52 of the rolling mechanism 50. The clamping part 52 is closed to complete the receiving and prepare for rolling. In this way, the automatic conveying of the heat insulation sheet 300 can be realized, and the patching efficiency and precision are improved. When the clamping part 52 is at an angle with the heat insulation sheet 300, the heat insulation sheet 300 can be rotated by the driving assembly 72 so that the clamping part 52 receives the heat insulation sheet 300. When the heat insulation sheet 300 is coated with a glue layer, the heat insulation sheet 300 can also be flipped by the driving assembly 72. After the clamping part 52 clamps the heat insulation sheet 300, the glue surface of the heat insulation sheet 300 faces away from the roller 51, so that the roller 51 can roll the heat insulation sheet 300 into the shell inner wall.

[0081] The clamping arm 71 adopts an active grabbing mode, which avoids the uncertainty caused by free fall and ensures that the heat insulation sheet 300 can be accurately sent to the predetermined position of the clamping part 52 each time. The driving assembly 72 can realize the conveying and automatic flipping of the heat insulation sheet 300, which avoids the misplacement and inconsistency caused by manual operation. At the same time, the transfer mechanism 70 cooperates with the conveying mechanism 40 and the rolling mechanism 50 to form a continuous automatic patching process, which significantly improves the patching efficiency. The mechanical flipping and conveying process ensures the consistency of each operation and improves the stability of the patching quality.

[0082] In some embodiments, the conveying mechanism 40 comprises a vacuum suction belt member for suction and conveying the heat insulation sheet 300, and the rolling mechanism 50 is arranged at the end of the vacuum suction belt member. The conveying mechanism 40 is arranged as a vacuum suction belt member to fix the surface of the heat insulation sheet 300 by negative pressure suction force, preventing the heat insulation sheet 300 from sliding or deviating during the conveying process, or causing problems such as accumulation.

[0083] In some embodiments of the present application, please refer toFigure 1 and Figure 2 The engine combustion chamber patch device 100 further comprises a second glue applying mechanism 30 connected to the machine table 10, which is used for applying glue to the inner wall of the combustion chamber shell 200.

[0084] The second glue applying mechanism 30 refers to a device for automatically applying glue to the inner wall of the combustion chamber shell 200, which can be realized by a mechanical arm carrying a glue gun or a spraying device. The glue amount and trajectory are controlled by the program to replace manual brushing to improve the uniformity of the glue layer.

[0085] The second glue applying mechanism 30 refers to a device for applying glue to the combustion chamber shell 200. The glue trajectory and glue amount are accurately controlled to ensure the bonding strength of the inner wall of the shell and the heat insulation sheet 300. The second glue applying mechanism 30 can be realized by a multi-axis mechanical arm cooperating with a glue applying head of a quantitative glue valve. In some embodiments, the second glue applying mechanism 30 is provided with a glue applying arm and a glue applying head, the glue applying arm is connected to the machine table 10, and the glue applying head is installed at the end of the glue applying arm. The glue applying head can be a precisely controlled spraying device that uniformly sprays glue to the inner wall of the combustion chamber shell 200.

[0086] In addition, in some embodiments, as Figure 1 and Figure 2 The second glue applying mechanism 30 is provided with a fixed glue applying head, and the combustion chamber shell 200 can be driven to move to cooperate with the second glue applying mechanism 30 for glue applying. In other embodiments, the second glue applying mechanism 30 can also be provided as a telescopic mechanism, which can move in and out of the combustion chamber shell 200 for glue applying.

[0087] The second glue applying mechanism 30 and the first glue applying mechanism 80 respectively apply glue to the shell and the heat insulation sheet 300 with high precision. The double glue applying design ensures good adhesion between the heat insulation sheet 300 and the inner wall of the combustion chamber shell 200, enhances the bonding strength of the two, and also provides better conditions for the subsequent rolling process. In addition, a glue pressure tank (not marked in the figure) is provided in communication with the second glue applying mechanism 30 to supplement the glue. While the second glue applying mechanism 30 applies glue to the inner wall of the combustion chamber shell 200, the conveying mechanism 40 starts to convey the heat insulation sheet 300, the first glue applying mechanism 80 applies glue to the surface of the heat insulation sheet 300 in conveying, and after the glue applying is completed, the conveying mechanism 40 conveys the glued heat insulation sheet 300 to the rolling mechanism 50.

[0088] In some embodiments of the present application, please refer to Figure 1 and Figure 7 The engine combustion chamber patch device 100 further comprises a material bin 91 and a feeding mechanism 92, the material bin 91 is used for placing the heat insulation sheet 300, and the feeding mechanism 92 is used for transferring the heat insulation sheet 300 in the material bin 91 to the conveying mechanism 40.

[0089] The hopper 91 is a container with a multi-layer stacked structure, and a partition is arranged inside to fix the position of the thermal insulation sheet 300. The feeding mechanism 92 can be arranged as a positioning and clamping member 52 or a suction disc member, etc. In some embodiments, as shown in Figure 1 , the hopper 91 is a cuboid structure, and a thermal insulation sheet 300 storage area is arranged inside in a stacked manner. In other embodiments, as shown in Figure 7 , the feeding mechanism 92 is arranged as a vacuum suction disc assembly, the vacuum suction disc assembly is connected to the hopper 91 through a linear slide rail, and the surface of the suction disc is covered with a flexible material to avoid damaging the thermal insulation sheet 300. The feeding mechanism 92 is also provided with a three-axis mechanical arm, and the end of the mechanical arm is provided with a vacuum suction disc assembly to drive the vacuum suction disc assembly to move. In addition, the hopper 91 is arranged on one side of the machine table 10, and the conveying mechanism 40 is connected between the hopper 91 and the machine table 10.

[0090] After the thermal insulation sheet 300 is manually placed into the hopper 91, the vacuum suction disc of the feeding mechanism 92 adsorbs the thermal insulation sheet 300 under the action of negative pressure, and then translates along the linear slide rail to above the vacuum adsorption belt member of the conveying mechanism 40. When the vacuum suction disc releases the thermal insulation sheet 300, the vacuum adsorption belt member generates adsorption force to fix the thermal insulation sheet 300 through the micro-holes distributed on the surface, so as to avoid deviation during conveying. The automatic storage and precise feeding of the thermal insulation sheet 300 are realized, and the material deviation or deformation caused by manual carrying is effectively avoided.

[0091] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An engine combustion chamber patch device characterized by, The engine combustion chamber patch device comprises: a machine table; a supporting mechanism arranged on the machine table, the supporting mechanism being used for supporting a combustion chamber shell; a conveying mechanism connected to the machine table, the conveying mechanism being used for conveying an insulating sheet; a first gluing mechanism connected to the machine table and located above the conveying mechanism, the first gluing mechanism being used for gluing the insulating sheet; and a rolling mechanism arranged at an end of the conveying mechanism, the rolling mechanism being used for receiving the insulating sheet conveyed by the conveying mechanism and rolling the insulating sheet to an inner wall of the combustion chamber shell. The supporting mechanism comprises a supporting frame, the supporting frame comprising a supporting seat, the supporting seat being provided with a supporting space, a transverse width of the supporting space gradually decreasing from an opening end to a bottom, and two opposite inner side walls of the supporting space being arranged in an inclined manner, the supporting space being used for placing the combustion chamber shell.

2. The engine combustion chamber patch device of claim 1, wherein, The supporting mechanism further comprises a lifting member arranged on the machine table, the lifting member being connected to the supporting seat and being used for adjusting a height of the supporting seat.

3. The engine combustion chamber patch device of claim 2, wherein, The supporting mechanism further comprises a clamping member arranged on the machine table, the clamping member being used for clamping and fixing an end of the combustion chamber shell.

4. The engine combustion chamber patch device of claim 2, wherein, The supporting mechanism further comprises a rotating member arranged on the machine table, the rotating member being connected to the clamping member and being used for driving the clamping member to rotate so as to drive the combustion chamber shell to rotate.

5. The engine combustion chamber patch device of claim 4, wherein, The supporting frame further comprises at least one roller rotatably connected to the supporting seat and located in the supporting space, the roller being used for contacting an outer wall of the combustion chamber shell placed in the supporting space.

6. The engine combustion chamber patch device of claim 5, wherein The engine combustion chamber patch device further comprises a moving mechanism, the moving mechanism comprising a longitudinal moving member and a transverse moving member, the supporting mechanism being arranged at a driving end of the transverse moving member, the transverse moving member being connected to a driving end of the longitudinal moving member, the transverse moving member being used for driving the supporting mechanism and the combustion chamber shell located on the supporting mechanism to move in a transverse direction, and the longitudinal moving member being used for driving the transverse moving member to move in a longitudinal direction.

7. An engine combustion chamber patch device as in any of claims 1-6 wherein, The rolling mechanism comprises a roller and a clamping member, the clamping member being connected to the conveying mechanism, the clamping member being used for receiving and clamping the insulating sheet, and the roller being rotatably connected to the conveying mechanism, the roller being used for abutting against the insulating sheet and rolling the insulating sheet to the inner wall of the combustion chamber shell.

8. The engine combustion chamber patch device of any one of claims 1 to 6, wherein, The engine combustion chamber patch device further comprises a transferring mechanism arranged on one side of the machine table, the transferring mechanism comprising a clamping arm and a driving assembly, the clamping arm being used for clamping the insulating sheet conveyed by the conveying mechanism, and the driving assembly being used for driving the clamping arm to move and conveying the insulating sheet to the clamping member.

9. The engine combustion chamber patch device of claim 8, wherein, The engine combustion chamber patch device further comprises a hopper and a feeding mechanism, the hopper being used for placing the insulating sheet, and the feeding mechanism being used for transferring the insulating sheet in the hopper to the conveying mechanism.

10. The engine combustion chamber patch device of any one of claims 1 to 6, wherein, ​

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