Igniter housing assembly porcelain core end face automatic processing device and method

Abstract

An automatic machining device and method for the ceramic core end face of an ignition housing assembly belongs to the field of machining technology. This invention employs pre-machining optical inspection to measure the lowest point of the beam, avoiding measurement inaccuracies caused by adhesive residue during assembly. During machining, the machine tool coordinate system is automatically adjusted, achieving adaptive machining of the ceramic core end face of the ignition housing assembly. This avoids the problems of repetitive measurements and high rework rates associated with manual machining, greatly improving machining efficiency and yield. Furthermore, this invention utilizes controllable addition of grinding aids within the machining center, combined with the adaptive machining method, to achieve CNC machining of the ceramic core end face grinding process for the ignition housing assembly. Compared to existing manual operations, the consistency of the machining quality of the ceramic core end face of the ignition housing assembly is significantly improved, and machining efficiency is nearly doubled.

Description

Technical Field

[0001] This invention relates to an automatic processing device and method for the ceramic core end face of an igniter housing assembly, which is particularly suitable for the automated processing of the end face of a small metal housing containing a ceramic-metal composite. Background Technology

[0002] The igniter housing assembly is a key component of igniters and other pyrotechnic devices. It is typically an assembly formed by bonding together high-temperature sintered glass seals, non-metallic insulating pads, and ceramic cores using adhesives. Before final assembly, the metal electrode protruding from the ceramic core end face within the seal's inner hole must be removed. Then, the ceramic core end face and electrode end face must be machined flat in one pass, while controlling the machining depth and the chamfer size of the ceramic core edge to be no less than C0.3. Due to the cumulative tolerances of the components and the influence of adhesive residue during assembly, there is significant variation between individual housing assemblies after assembly (the dimensional difference from the seal's opening to the ceramic core end face is between 0 and 0.3). To obtain the required machining dimensions, operators typically measure and group the components according to a 0.05mm hole depth gradient, then modify the machining equipment program before processing to ensure dimensional accuracy. This method is time-consuming, physically demanding for operators, and suffers from low accuracy in measurement and grouping due to residual adhesive residue, resulting in a low assembly pass rate and a high rework rate. In addition, due to the different material properties of the electrode needle and the ceramic core, the composite structure after combination is prone to metal burrs on the edge of the electrode needle end face during processing. Therefore, it is necessary to manually add white corundum powder and anhydrous ethanol to the bench drill and grind its surface by rotating a cylindrical oilstone to remove burrs and polish the ceramic core end face. This method is inefficient, labor-intensive, and not conducive to mass production of products.

[0003] Traditional methods use different grades of grinding wheels to adaptively remove material thickness from the workpiece surface based on the properties of the material being processed, in order to obtain a mirror finish. However, since the ceramic core end face of the ignition housing assembly is composed of a electrode and a ceramic core, it involves a composite machining process. Therefore, the application of the above patent in the machining of the ceramic core end face of the ignition housing assembly has significant limitations, mainly due to the following problems:

[0004] (1) This method is a grinding process designed to obtain high-quality processed surfaces of hard and brittle materials such as ceramics, optical crystals, and optical glass. The processing of the igniter housing assembly, which belongs to pyrotechnics, involves the removal of metal electrodes and the processing of the ceramic core end face and electrode end face. The above-mentioned processing method is simple and cannot efficiently remove the exposed metal electrodes from the ceramic core end face.

[0005] (2) During the grinding process, the device selects the processing depth according to the characteristics of the processing material and processing tool. The igniter housing assembly is processed as an assembly, which has large differences in the processing size of the same batch of parts. Moreover, the production arrangement has the characteristics of small batches, multiple batches, and multiple varieties. This method cannot meet the production needs of the igniter housing assembly.

[0006] (3) This device is mainly suitable for processing single hard and brittle parts. The ceramic core end face of the igniter housing assembly is located in the inner hole of the metal housing. Its space is narrow, and grinding equipment such as grinding wheels are used. Summary of the Invention

[0007] The technical problem solved by this invention is to overcome the shortcomings of the prior art and provide an automatic processing device and method for the ceramic core end face of igniter housing components, which solves the problems of high rework rate and high labor intensity in the processing of ceramic core end face of igniter housing components; furthermore, it can promptly clean the attachments generated during component processing and avoid the problem of poor electrical performance of the housing components due to processing attachments.

[0008] The technical solution of the present invention is: an automatic processing device for the ceramic core end face of an igniter housing assembly, comprising a detection device, a cleaning device, a processing center, a PLC control cabinet, a material tray, and a robotic arm;

[0009] The robotic arm includes a fixed end and a working end; the fixed end is fixedly installed on the ground, and the working end is equipped with a gripper for gripping the igniter housing assembly and moving it between the various devices;

[0010] The tray has a dot matrix of openings arranged according to the size of the igniter housing assembly, and the igniter housing assembly is placed there in sequence.

[0011] The machining center is used to modify the Z value of the machining program coordinate system according to the processing results, perform quantitative machining of the electrode needle removal and electrode needle ceramic core assembly on the igniter housing assembly after scanning and inspection, and grind the end face of the igniter housing assembly.

[0012] The PLC control cabinet is used to control the robotic arm to sequentially grasp the igniter housing assembly and place it on the detection device, scan and detect the processing end of the igniter housing assembly, receive the data obtained from the scan and detection, record and process it, and send the processing results to the machining center; after the electrode needles on the ceramic core end face of the igniter housing assembly are removed, the control center is used to grind the end face of the igniter housing assembly, and the robotic arm sequentially picks it up and places it on the cleaning device for cleaning, on the detection device for detection and confirmation, and on the material tray, so as to realize the automatic processing of the ceramic core end face of the igniter housing assembly.

[0013] Furthermore, the detection device, cleaning device, machining center, and loading / unloading mechanism are arranged in a ring around the robotic arm on the ground; the detection device includes a QR code scanning lens, a rotating pneumatic gripper, a vertical plate, a detection device control cabinet, a Z-direction linear module, an X-direction linear module, a scanning detection lens, and a Y-direction linear module;

[0014] The rotary pneumatic gripper is installed on the workbench of the detection device control cabinet and grips the igniter housing assembly placed by the robotic arm 40. A vertical plate is installed on the side of the rotary pneumatic gripper and the vertical plate is connected to the workbench of the detection device control cabinet by bolts.

[0015] The QR code scanning lens is fixed to the upright plate with screws, and its lens direction is facing the rotating pneumatic gripper. The upright plate has multiple vertical holes. During use, the height of the QR code scanning lens can be adjusted as needed. During the 360° rotation of the igniter housing assembly held by the rotating pneumatic gripper, the QR code engraved on the igniter housing assembly is scanned and identified, and the identification result is sent to the PLC control cabinet.

[0016] The Y-direction linear module is fixed on the workbench of the detection device control cabinet, the X-direction linear module is installed on the Y-direction linear module, and the Z-direction linear module is installed on the X-direction linear module 17.

[0017] The scanning and detection lens is mounted on the slider of the Z-direction linear module. The X-direction linear module, Y-direction linear module, and Z-direction linear module jointly control the scanning and detection lens to move above the igniter housing assembly that has completed the QR code scanning, and scan and detect the elements on the ceramic core end face of the igniter housing assembly.

[0018] Furthermore, it also includes a detection and scanning control computer; the scanning and detection lens adopts a non-contact optical scanning device to measure the hole depth and the chamfer of the ceramic core, and the detection data is processed by the detection and scanning control computer and sent to the PLC control cabinet for further processing.

[0019] Furthermore, the cleaning device includes a water flushing and air blowing assembly, a pneumatic gripper, an L-shaped plate, a rotary cylinder, a slider, an up-and-down moving cylinder assembly, a base, a limit post, and a cleaning device control cabinet.

[0020] The pneumatic gripper is connected to the rotary cylinder via an L-shaped plate. The rotary cylinder is connected to the up-and-down moving cylinder assembly via a slider. The up-and-down moving cylinder assembly is fixed to the worktable of the cleaning device control cabinet via a base. The water flushing and air blowing assembly is installed inside the chassis, with its water flushing and air blowing ports protruding through holes on the worktable of the cleaning device control cabinet and aligned vertically with the rotation center of the pneumatic gripper. The limiting post is threaded onto the worktable of the cleaning device control cabinet and is located below the up-and-down moving cylinder assembly.

[0021] Furthermore, after the pneumatic gripper holds the igniter housing assembly, the rotary cylinder drives the igniter housing assembly with the processing end facing upward to rotate 180° with the pneumatic gripper. The up-and-down moving cylinder assembly structure drives the entire assembly consisting of the rotary cylinder, pneumatic gripper, and igniter housing assembly to move downward. The limiting post restricts the position of the up-and-down moving cylinder assembly structure, thereby limiting the igniter housing assembly to a certain distance from the water spray nozzle in the middle of the water collection tray. The water spray and air blowing assembly structure performs timed rinsing and drying on the ceramic core end face of the igniter housing assembly. After cleaning and drying are completed, the up-and-down moving cylinder assembly structure moves the entire assembly consisting of the rotary cylinder, pneumatic gripper, and igniter housing assembly upward to return to its original position. The rotary cylinder rotates 180 degrees in the opposite direction to return to its original position. The pneumatic gripper releases its grip on the igniter housing assembly and sends a signal back to the PLC control cabinet to control the robotic arm to pick up the cleaned igniter housing assembly.

[0022] Furthermore, the limiting post restricts the igniter housing assembly to a position 2mm to 3mm directly opposite the center of the water collection tray's flushing nozzle.

[0023] Furthermore, it also includes a grinding auxiliary material adding device, which extends the working part into the machining center through a cantilever structure, and the base plate on which the working part is installed is located on the machining center; the grinding auxiliary material adding device includes a base plate, a first mounting plate, a second mounting plate, a lead screw propulsion device, a white corundum powder adding device, a grinding auxiliary material adding device control cabinet, and an anhydrous ethanol adding device.

[0024] The base plate is mounted on the table of the control cabinet of the grinding auxiliary material adding device, and a lead screw propulsion device is fixedly mounted on the base plate.

[0025] The anhydrous ethanol addition device is connected to the lead screw drive device via a first mounting plate.

[0026] The first mounting plate is bolted to the sliding part of the lead screw drive device;

[0027] The white corundum powder adding device is connected to the lead screw propulsion device via the second mounting plate and is fastened to the first mounting plate.

[0028] Furthermore, after the machining center completes the removal of the electrode needles from the ceramic core end face of the igniter housing assembly and the quantitative machining of the end face, the PLC control unit 50 receives a signal and starts the lead screw drive device. The lead screw drive device drives the upper first mounting plate, second mounting plate, white corundum powder adding device, and anhydrous ethanol adding device to move. First, the anhydrous ethanol injection port of the anhydrous ethanol adding device is moved to the top of the igniter housing assembly inside the machining center. The ethanol adding device 37 controls the amount of compressed air entering, thereby controlling the amount of anhydrous ethanol added. After the anhydrous ethanol is added, the lead screw drive device continues to run, moving the powder outlet of the white corundum powder adding device to the top of the igniter housing assembly. The servo motor at the tail of the white corundum powder adding device works, adding white corundum powder into the igniter housing assembly. Then, the lead screw drive device returns to the initial position, and the machining center starts grinding.

[0029] Furthermore, the diameter and depth of the inner hole of the breach are adjusted according to the size of the igniter housing assembly to meet the processing requirements of different products.

[0030] The automatic machining method for the ceramic core end face of an ignition housing assembly, implemented by the aforementioned automatic machining device for the ceramic core end face of an ignition housing assembly, includes:

[0031] The robotic arm sequentially picks up the igniter housing assembly and places it on the testing device. The testing device, controlled by the PLC control cabinet, scans the processing end of the igniter housing assembly and transmits the detected data to the PLC control cabinet. The PLC control cabinet records and processes the detection data and sends the processing results to the machining center, which modifies the Z value of the machining center's machining program coordinate system. The robotic arm then picks up the inspected igniter housing assembly and places it in the machining center, where the machining center performs quantitative processing of the electrode needle removal and the electrode needle ceramic core assembly.

[0032] After removing the electrode needle from the ceramic core end face of the igniter housing assembly, the machining center moves the worktable to a position close to the grinding auxiliary material adding device and fixes it. After receiving the signal, the PLC control cabinet starts the grinding auxiliary material adding device to add a certain amount of anhydrous ethanol and white corundum powder to the ceramic core end face of the igniter housing assembly. After changing the tool holder, the machining center grinds the end face of the igniter housing assembly. After the machining center finishes grinding the igniter housing assembly, the robotic arm picks up the igniter housing assembly and places it on the cleaning device. The PLC control cabinet starts the cleaning device to clean and dry the ceramic core end face of the igniter housing assembly, removing residual white corundum powder and anhydrous ethanol and other impurities. After the cleaning device completes its work, the robotic arm picks up the igniter housing assembly and places it on the detection device to check and confirm the machining dimensions of the igniter housing assembly. The detection results are fed back to the PLC control cabinet. After completing the detection, the robotic arm picks up the igniter housing assembly and places it on the material tray, realizing the automatic machining of the ceramic core end face of the igniter housing assembly.

[0033] The advantages of this invention compared to the prior art are:

[0034] (1) The present invention adopts optical detection before processing and takes the low point of beam measurement, which can avoid the inaccuracy of measurement caused by adhesive during assembly. During processing, the ceramic core end face of the igniter housing component is automatically modified by automatically modifying the machine tool coordinate system, which realizes the adaptive processing of the ceramic core end face of the igniter housing component. This avoids the problems of repeated measurement and high rework rate during manual processing, and greatly improves processing efficiency and pass rate.

[0035] (2) The present invention uses controllable grinding auxiliary materials added in the machining center, combined with the adaptive machining method mentioned in (1), to realize the numerical control of the grinding process of the ceramic core end face of the igniter housing assembly. Compared with the existing manual operation process, the consistency of the machining quality of the ceramic core end face of the igniter housing assembly is greatly improved, and the machining efficiency is increased by nearly 1 times.

[0036] (3) The material tray break sleeve can be replaced according to the size and specifications of the igniter housing assembly. The replacement operation is simple and convenient, which can meet the assembly of different types of glass seals and is suitable for the small-batch, multi-batch, and multi-type production characteristics of pyrotechnic glass seals. Attached Figure Description

[0037] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0038] Figure 1 This is a structural layout diagram of the present invention;

[0039] Figure 2 This is a flowchart illustrating the processing of the present invention;

[0040] Figure 3 This is a schematic diagram of the detection device of the present invention;

[0041] Figure 4 This is a schematic diagram of the cleaning device of the present invention;

[0042] Figure 5 This is a schematic diagram of the grinding auxiliary material adding device of the present invention;

[0043] Figure 6 This is a schematic diagram of the material tray of the present invention;

[0044] Figure 7 This is a schematic diagram of the igniter housing assembly manufactured according to the present invention. Detailed Implementation

[0045] To better understand the above technical solutions, the technical solutions of this application will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments of this application and the specific features in the embodiments are detailed descriptions of the technical solutions of this application, rather than limitations on the technical solutions of this application. In the absence of conflict, the embodiments of this application and the technical features in the embodiments can be combined with each other.

[0046] The following description, in conjunction with the accompanying drawings, provides a more detailed account of the automatic machining device and method for the ceramic core end face of an ignition housing assembly provided in this application. In the solutions provided in this application, such as... Figure 1 , 2The diagram shows the structural layout and processing flow chart of an automatic processing device and method for the ceramic core end face of an igniter housing assembly. It comprises a detection device 10, a cleaning device 20, a grinding auxiliary material adding device 30, a machining center 40, a PLC control cabinet 50, a loading / unloading mechanism 60, a material tray 70, and a robotic arm 80. The detection device 10, cleaning device 20, machining center 30, and loading / unloading mechanism 60 are arranged in a ring around the robotic arm 80 on the ground. The PLC control cabinet 50 is placed in the non-working area of ​​the robotic arm to control the operation of each device. The robotic arm 80 is installed in the middle of the ring formed by the devices, clamping the igniter housing assembly and moving it between the devices. The material tray 70 is located at... Positioning pins on the loading / unloading mechanism 60 are positioned on the loading / unloading mechanism 60. The material tray has a dot-matrix arrangement of notches 71 according to the external dimensions of the igniter housing assembly. Igniter housing assemblies are placed sequentially in these notches. The robotic arm 80 picks up the igniter housing assemblies in sequence and places them on the detection device 10. The detection device 10, controlled by the PLC control cabinet 50, scans the machining end of the igniter housing assembly and transmits the detected data to the PLC control cabinet 50. The PLC control cabinet 50 records and processes the detection data and sends the processing results to the machining center 40, modifying the Z value of the machining program coordinate system. The robotic arm 80 then picks up the inspected igniter housing assembly. The electrode is then placed in machining center 40, where machining center 40 performs quantitative processing of electrode removal and the electrode core assembly. Grinding additive device 30 is installed on the side of machining center, and its working part extends into the machining center via a cantilever structure, positioned above the worktable of machining center 40. After removing the electrode from the ceramic core end face of the igniter housing assembly, machining center 40 moves the worktable to a position close to and fixed with grinding additive device 30. Upon receiving a signal, PLC control cabinet 50 activates grinding additive device 30 to add a measured amount of anhydrous ethanol and white corundum powder to the ceramic core end face of the igniter housing assembly. After changing the tool holder, machining center 40 grinds the end face of the igniter housing assembly. After the igniter housing assembly is ground by the machining center 40, the robotic arm 80 picks it up and places it on the cleaning device 20. The PLC control cabinet 50 starts the cleaning device 20 to clean and dry the ceramic core end face of the igniter housing assembly, removing residual white corundum powder and anhydrous ethanol and other impurities. After the cleaning device 20 completes its work, the robotic arm picks up the igniter housing assembly and places it on the detection device 10 to check and confirm the processing dimensions of the igniter housing assembly. The detection results are then fed back to the PLC control cabinet. After the detection is completed, the robotic arm 80 picks up the igniter housing assembly and places it on the material tray, realizing the automatic processing of the ceramic core end face of the igniter housing assembly.

[0047] like Figure 3The diagram shows the structure of the detection device 10 of the present invention. The detection device 10 includes a QR code scanning lens 11, a rotary pneumatic gripper 12, a vertical plate 13, a detection device control cabinet 14, a detection scanning control computer 15, a Z-direction linear module 16, an X-direction linear module 17, a scanning detection lens 18, and a Y-direction linear module 19. The rotary pneumatic gripper 12 is mounted on the workbench of the detection device control cabinet 14 and grips the igniter housing assembly placed by the robotic arm 40. The vertical plate 13 is mounted on the side of the rotary pneumatic gripper 12 and is connected to the workbench of the detection device control cabinet 14 by bolts. The QR code scanning lens 11 is fixed to the vertical plate by screws, with its lens facing the rotary pneumatic gripper 12. The vertical plate 13 has multiple vertical holes, allowing the height of the QR code scanning lens 11 to be adjusted as needed during use. During the 360° rotation of the igniter housing assembly held by the rotary pneumatic gripper 12, the QR code scanning lens scans the QR code on the igniter housing assembly. The QR code on the component is scanned and the recognition result is sent to the PLC control cabinet 50. The Y-direction linear module 19 is fixed on the workbench of the detection device control cabinet 14. The X-direction linear module 17 is installed on the Y-direction linear module 19, and the Z-direction linear module 16 is installed on the X-direction linear module 17. The scanning detection lens 18 is installed on the slider of the Z-direction linear module 16. The X-direction linear module 17, Y-direction linear module 19, and Z-direction linear module 16 jointly control the scanning detection lens 18 to move above the igniter housing assembly that has completed the QR code scanning, and scan the ceramic core end face elements of the igniter housing assembly. In order to accurately measure the ceramic core end size elements of the igniter housing assembly, the scanning detection lens 18 adopts a mature non-contact optical scanning device to measure the hole depth and ceramic core chamfer. The detection data is processed by the detection scanning control computer 15 and sent to the PLC control cabinet 50 for further processing.

[0048] like Figure 4The diagram shows the structure of the cleaning device 20 of the present invention. The cleaning device 20 includes a water-blowing and air-purifying assembly 21, a pneumatic gripper 22, an L-shaped plate 23, a rotary cylinder 24, a slider 25, a vertically moving cylinder assembly 26, a base 27, a limiting post 28, and a cleaning device control cabinet 29. The pneumatic gripper 22 and the rotary cylinder 24 are directly connected through the L-shaped plate 23. The rotary cylinder 24 is connected to the vertically moving cylinder assembly 26 through the slider 25. The vertically moving cylinder assembly 26 is fixed to the worktable of the cleaning device control cabinet 29 through the base 27. The water-blowing and air-purifying assembly 24 is installed inside the cabinet, and its water-blowing and air-purifying ports protrude through holes on the worktable of the cleaning device control cabinet 29, and are aligned vertically with the rotation center of the pneumatic gripper 22. After the pneumatic gripper 22 clamps the igniter housing assembly, the rotary cylinder 24 drives the upward-facing igniter housing assembly. The ignition housing assembly and pneumatic gripper rotate 180°. The vertically moving cylinder assembly 26 drives the rotating cylinder 24, pneumatic gripper 23 and ignition housing assembly to move downward. The limiting post 28 restricts the position of the vertically moving cylinder assembly (26) to a position about 2mm to 3mm from the water inlet in the middle of the water collection pan. The water flushing and blowing assembly 21 performs timed rinsing and drying on the ceramic core end face of the ignition housing assembly. After cleaning and drying, the vertically moving cylinder assembly 26 moves the rotating cylinder 24, pneumatic gripper 23 and ignition housing assembly upward to return to their original position. The rotating cylinder 24 rotates 180 degrees in the opposite direction to return to its original position. The pneumatic gripper 23 releases its grip on the ignition housing assembly and sends a signal back to the PLC control cabinet 50 to control the robotic arm to pick up the cleaned ignition housing assembly.

[0049] like Figure 5The diagram shows the structure of the grinding auxiliary material adding device 30 of the present invention. The grinding auxiliary material adding device 30 includes a base plate 31, a first mounting plate 32, a second mounting plate 33, a lead screw drive device 34, a white corundum powder adding device 35, a grinding auxiliary material adding device control cabinet 36, and an anhydrous ethanol adding device 37. The base plate 31 is mounted on the table of the grinding auxiliary material adding device control cabinet 36. The lead screw drive device 34 is mounted on the base plate 31 and fixed by a general bolt. The anhydrous ethanol adding device 37 is connected to the lead screw drive device 34 through the first mounting plate 32. The mounting plate 34 is bolted to the sliding part of the lead screw drive device 34. The white corundum powder adding device 35 is connected to the lead screw drive device 34 through the second mounting plate 33 and is fastened to the first mounting plate 32. The machining center 40 completes the electrode needle on the end face of the ceramic core of the igniter housing assembly. After removal and quantitative processing of the end face, the PLC control unit 50 receives a signal and starts the lead screw drive device 34. The lead screw drive device 34 drives the upper first mounting plate 32, second mounting plate 33, white corundum powder adding device 35, and anhydrous ethanol adding device 37 to move. First, the anhydrous ethanol injection port of the anhydrous ethanol adding device 37 is moved to the top of the igniter housing assembly inside the machining center. The ethanol adding device 37 controls the amount of compressed air entering, thereby controlling the amount of anhydrous ethanol added. After the anhydrous ethanol is added, the lead screw drive device 34 continues to run, moving the powder outlet of the white corundum powder adding device 35 to the top of the igniter housing assembly. The servo motor at the tail of the white corundum powder adding device 35 works to add white corundum powder into the igniter housing assembly. Then the lead screw drive device 34 returns to the initial position, and the machining center starts grinding.

[0050] like Figure 6 , 7 The diagram shown is a schematic diagram of the material tray 70 of the present invention. In order to realize the processing of various igniter housing components, the diameter and depth of the inner hole of the opening 71 on the material tray can be adjusted according to the size of the igniter housing component to meet the processing requirements of different products.

[0051] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0052] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application also intends to include such modifications and variations.

[0053] The contents not described in detail in this specification are common knowledge to those skilled in the art.

Claims

1. An automatic processing device for the ceramic core end face of an igniter housing assembly, characterized in that, Includes a detection device (10), a cleaning device (20), a machining center (40), a PLC control cabinet (50), a material tray (70), and a robotic arm (80); The robotic arm (80) includes a fixed end and a working end; the fixed end is fixedly installed on the ground, and the working end is provided with a gripper for gripping the igniter housing assembly and moving it between the various devices; The material tray (70) has a dot matrix arrangement of openings (71) on it according to the size of the igniter housing assembly, and the igniter housing assembly is placed there in sequence; The machining center (40) is used to modify the Z value of the machining program coordinate system according to the processing result, to perform quantitative machining of the electrode needle removal and electrode needle ceramic core assembly of the igniter housing assembly after scanning and detection, and to grind the end face of the igniter housing assembly. The PLC control cabinet (50) is used to control the robotic arm (80) to sequentially grab the igniter housing assembly and place it on the detection device (10) and scan and detect the processing end of the igniter housing assembly, as well as to receive the data obtained from the scanning and detection, record and process it, and send the processing result to the machining center (40); and after the removal of the electrode needle on the end face of the ceramic core of the igniter housing assembly is completed, the machining center (40) is controlled to grind the end face of the igniter housing assembly, and the robotic arm (80) sequentially grabs and places it on the cleaning device (20) for cleaning, places it on the detection device (10) for detection and confirmation, and places it on the material tray (70) to realize the automatic processing of the end face of the ceramic core of the igniter housing assembly; It also includes a grinding auxiliary material adding device (30), which extends the working part into the machining center (40) through a cantilever structure, and the base plate on which the working part is installed is located on the machining center (40); the grinding auxiliary material adding device (30) includes a base plate (31), a first mounting plate (32), a second mounting plate (33), a lead screw pushing device (34), a white corundum powder adding device (35), a grinding auxiliary material adding device control cabinet (36), and an anhydrous ethanol adding device (37); The substrate (31) is mounted on the table of the control cabinet (36) of the grinding auxiliary material adding device, and a lead screw push device (34) is fixedly mounted on the substrate (31). The anhydrous ethanol adding device (37) is connected to the lead screw pushing device (34) via the first mounting plate (32); The first mounting plate (32) is bolted to the sliding part of the lead screw drive device (34); The white corundum powder adding device (35) is connected to the lead screw propulsion device (34) via the second mounting plate (33) and is fastened to the first mounting plate (32).

2. The automatic processing device for the ceramic core end face of an igniter housing assembly according to claim 1, characterized in that, The detection device (10), cleaning device (20), machining center (40), and loading / unloading mechanism (60) are arranged in a ring around the robotic arm (80) on the ground; the detection device (10) includes a QR code scanning lens (11), a rotating pneumatic gripper (12), a vertical plate (13), a detection device control cabinet (14), a Z-direction linear module (16), an X-direction linear module (17), a scanning detection lens (18), and a Y-direction linear module (19). The rotary pneumatic gripper (12) is installed on the workbench of the detection device control cabinet (14) to grip the igniter housing assembly placed by the robotic arm (80). A vertical plate (13) is installed on the side of the rotary pneumatic gripper (12), and the vertical plate (13) is connected to the workbench of the detection device control cabinet (14) by bolts. The QR code scanning lens (11) is fixed to the upright plate (13) by screws, and its lens direction is facing the rotating pneumatic gripper (12). The upright plate (13) has multiple vertical holes. During use, the height of the QR code scanning lens (11) can be adjusted as needed. During the 360° rotation of the igniter housing assembly held by the rotating pneumatic gripper (12), the QR code engraved on the igniter housing assembly is scanned and identified, and the identification result is sent to the PLC control cabinet (50). The Y-direction linear module (19) is fixed on the workbench of the detection device control cabinet (14), the X-direction linear module (17) is installed on the Y-direction linear module (19), and the Z-direction linear module (16) is installed on the X-direction linear module (17). The scanning detection lens (18) is mounted on the slider of the Z-direction linear module (16). The X-direction linear module (17), Y-direction linear module (19), and Z-direction linear module (16) jointly control the scanning detection lens (18) to move above the igniter housing assembly that has completed the QR code scanning, and scan and detect the ceramic core end face elements of the igniter housing assembly.

3. The automatic processing device for the ceramic core end face of an igniter housing assembly according to claim 2, characterized in that, It also includes a detection scanning control computer (15); the scanning detection lens (18) adopts a non-contact optical scanning device to measure the hole depth and the chamfer of the ceramic core, and the detection data is processed by the detection scanning control computer (15) and sent to the PLC control cabinet (50) for further processing.

4. The automatic processing device for the ceramic core end face of an igniter housing assembly according to claim 1, characterized in that, The cleaning device (20) includes a water flushing and air blowing assembly (21), a pneumatic gripper (22), an L-shaped plate (23), a rotary cylinder (24), a slider (25), an up-and-down moving cylinder assembly (26), a base (27), a limit post (28), and a cleaning device control cabinet (29). The pneumatic gripper (22) is connected to the rotary cylinder (24) via an L-shaped plate (23). The rotary cylinder (24) is connected to the up-and-down moving cylinder assembly (26) via a slider (25). The up-and-down moving cylinder assembly (26) is fixed to the workbench of the cleaning device control cabinet (29) via a base (27). The water flushing and air blowing assembly (21) is installed inside the chassis, and its water flushing and air blowing port protrudes through a hole on the workbench of the cleaning device control cabinet (29), and is on the same vertical line as the rotation center of the pneumatic gripper (22). The limiting post (28) is installed on the workbench of the cleaning device control cabinet (29) via a thread, and is located below the up-and-down moving cylinder assembly (26).

5. The automatic processing device for the ceramic core end face of an igniter housing assembly according to claim 4, characterized in that, After the pneumatic gripper (22) clamps the igniter housing assembly, the rotary cylinder (24) drives the igniter housing assembly with the machining end facing upward to rotate 180° with the pneumatic gripper. The vertical moving cylinder assembly (26) drives the entire assembly consisting of the rotary cylinder (24), the pneumatic gripper (22), and the igniter housing assembly to move downward. The limiting post (28) restricts the position of the vertical moving cylinder assembly (26), thereby limiting the igniter housing assembly to a certain distance from the water inlet in the middle of the water collection pan for water flushing and air blowing. The assembly structure (21) performs timed rinsing and drying of the ceramic core end face of the igniter housing assembly. After cleaning and drying, the up-and-down moving cylinder assembly structure (26) moves the entire assembly consisting of the rotating cylinder (24), pneumatic gripper (22) and igniter housing assembly upwards to restore it. The rotating cylinder (24) rotates 180 degrees in the opposite direction to restore it. The pneumatic gripper (22) releases its grip on the igniter housing assembly and sends a signal back to the PLC control cabinet (50) to control the robotic arm (80) to pick up the cleaned igniter housing assembly.

6. The automatic processing device for the ceramic core end face of an igniter housing assembly according to claim 5, characterized in that, The limiting post (28) restricts the igniter housing assembly to a position 2mm to 3mm from the center of the water inlet of the water collection pan.

7. The automatic processing device for the ceramic core end face of an igniter housing assembly according to claim 1, characterized in that, After the machining center (40) completes the removal of the electrode needles from the ceramic core end face of the igniter housing assembly and the quantitative machining of the end face, the PLC control cabinet (50) receives the signal and starts the lead screw drive device (34). The lead screw drive device (34) drives the upper first mounting plate (32), second mounting plate (33), white corundum powder adding device (35), and anhydrous ethanol adding device (37) to move. First, the anhydrous ethanol injection port of the anhydrous ethanol adding device (37) is moved to the igniter housing assembly inside the machining center (40). The ethanol adding device (37) controls the amount of compressed air entering, and thus controls the amount of anhydrous ethanol added. After the anhydrous ethanol is added, the screw drive device (34) continues to run, moving the powder outlet of the white corundum powder adding device (35) to the top of the igniter housing assembly. The servo motor at the tail of the white corundum powder adding device (35) works, adding white corundum powder into the igniter housing assembly. Then the screw drive device (34) returns to the initial position, and the machining center (40) starts grinding.

8. The automatic processing device for the ceramic core end face of an igniter housing assembly according to claim 1, characterized in that, The diameter and depth of the inner hole of the rupture (71) are adjusted according to the size of the igniter housing assembly to meet the processing requirements of different products.

9. The automatic machining method for the ceramic core end face of an igniter housing assembly, implemented by the automatic machining device for the ceramic core end face of an igniter housing assembly according to claim 1, is characterized in that, include: The robotic arm (80) sequentially grabs the igniter housing assembly and places it on the detection device (10). The detection device (10) is controlled by the PLC control cabinet (50) to scan the processing end of the igniter housing assembly and transmits the detected data to the PLC control cabinet (50). The PLC control cabinet (50) records and processes the detection data and sends the processing result to the machining center (40). The Z value of the machining program coordinate system of the machining center (40) is modified. The robotic arm (80) grabs the igniter housing assembly that has been inspected and places it in the machining center (40). The machining center (40) completes the quantitative processing of the electrode needle removal and the electrode needle ceramic core assembly. After removing the electrode needle from the ceramic core end face of the igniter housing assembly, the machining center (40) moves the worktable to a position close to the grinding auxiliary material adding device (30) and fixes it. After receiving the signal, the PLC control cabinet (50) starts the grinding auxiliary material adding device (30) to add a certain amount of anhydrous ethanol and white corundum powder to the ceramic core end face of the igniter housing assembly. After changing the tool holder, the machining center (40) grinds the end face of the igniter housing assembly. After the machining center (40) finishes grinding the igniter housing assembly, the robotic arm (80) picks up the igniter housing assembly and places it in the cleaning device. On the device (20), the PLC control cabinet (50) starts the cleaning device (20) to clean and dry the ceramic core end face of the igniter housing assembly, removing residual white corundum powder and anhydrous ethanol and other impurities from its end face. After the cleaning device (20) completes its work, the robotic arm picks up the igniter housing assembly and places it on the detection device (10) to detect and confirm the processing dimensions of the igniter housing assembly, and feeds the detection results back to the PLC control cabinet. After the robotic arm (80) completes the detection, it picks up the igniter housing assembly and places it on the material tray to realize the automatic processing of the ceramic core end face of the igniter housing assembly.

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