Three-way catalyst assembly air tightness detection and mark engraving integrated tool

Abstract

The utility model discloses an air tightness detection and mark engraving integrated tool for a three-way catalyst assembly, and belongs to the technical field of engine exhaust system detection. Comprising an air tightness leak detector used for detecting air tightness; the display is used for displaying a detection result; the code scanner is used for scanning bar codes of products; the air tightness detection positioning clamp is used for positioning and plugging the product; the laser is used for marking a product mark; the industrial control computer is used for controlling the whole machine and is in data transmission connection with the display, the air tightness leak detector, the code scanner and the laser; the mark carving positioning clamp is used for positioning and fixing the product heat shield; the control button is used for controlling the display, the air tightness leak detector, the code scanner, the laser and the industrial control computer to start and stop; and the rack is used for mounting parts. According to the utility model, air tightness detection and identification engraving processes are integrated in a single station, secondary clamping errors are eliminated, equipment investment is reduced, the floor area of a production line is reduced, and production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a three -way catalyst assembly air tightness detection and identification engraving integrated tool belongs to engine exhaust system detection technical field. BACKGROUND

[0002] In the detection process before the engine exhaust system factory, air tightness detection and qualified product permanent identification engraving operation need to be implemented in turn.

[0003] The air tightness detection equipment and identification engraving equipment of three -way catalyst assembly in prior art are configured in the form of independent unit, form non - integrated " secondary operation mode ". This mode leads to the low degree of modularization of detection equipment cluster, there is repetitive fixed asset investment on air tightness detection device and identification engraving equipment, and simultaneously because equipment is scattered layout causes production line space utilization rate to drop, finally forms vicious circle of equipment redundancy, site waste, cost superposition, pushes up the overall production cost. UTILITY MODEL CONTENTS

[0004] In order to solve the problems in the background art, the utility model provides a three -way catalyst assembly air tightness detection and identification engraving integrated tool.

[0005] To achieve the above object, the utility model takes the following technical scheme: a three -way catalyst assembly air tightness detection and identification engraving integrated tool, comprising

[0006] Air tightness leak detector is used for detecting the air tightness of product;

[0007] Display is used for displaying the air tightness detection result of product;

[0008] Code scanner is used for scanning the bar code of product;

[0009] Air tightness detection positioning fixture is used for positioning and plugging product;

[0010] Laser is used for the identification engraving of product;

[0011] Industrial control computer is used for whole machine control, and is connected with display, air tightness leak detector, code scanner and laser in data transmission;

[0012] Identification engraving positioning fixture is used for positioning and fixing product heat shield;

[0013] Control button is used for corresponding control display, air tightness leak detector, code scanner, laser and industrial control computer's opening and closing;

[0014] Frame is used for installing the above -mentioned parts.

[0015] The air tightness detection positioning fixture comprises an air inlet nut blocking part, an air inlet flange blocking part, an intermediate nut blocking part and an air outlet flange blocking part, which are used for blocking corresponding positions of the product; the air inlet nut blocking part, the air inlet flange blocking part, the intermediate nut blocking part and the air outlet flange blocking part are driven to move by corresponding blocking cylinders, and each blocking cylinder is installed on the rack.

[0016] The outer side of the piston rod of each blocking cylinder is fixedly sleeved with a positioning ring, and the piston rod of each blocking cylinder is slidably arranged in a corresponding guide sleeve, and each guide sleeve is fixedly connected with the rack, and the positioning ring is located at the inner end of the piston rod.

[0017] The air inlet nut blocking part, the air inlet flange blocking part, the intermediate nut blocking part and the air outlet flange blocking part are fixed with a plurality of locking buckles at the adjacent end of the piston rod of the corresponding blocking cylinder, and the outer end of each blocking cylinder is provided with a plurality of positioning grooves which are arranged in interference with the locking buckles.

[0018] The code scanner is installed on the rack through a three-dimensional adjusting support, and the three-dimensional adjusting support comprises a support, an X-axis sliding rod, an X-axis sliding block, a Y-axis sliding rod, a Y-axis sliding block, a Z-axis sliding rod and a mounting seat; the support is fixedly installed on the rack, the upper end of the support is limitingly and fixedly connected with one end of the X-axis sliding rod, the other end of the X-axis sliding rod is slidably and limitingly fixedly connected with one end of the X-axis sliding block, the other end of the X-axis sliding block is limitingly and fixedly connected with one end of the Y-axis sliding rod, the other end of the Y-axis sliding rod is slidably and limitingly fixedly connected with one end of the Y-axis sliding block, the other end of the Y-axis sliding block is slidably and limitingly fixedly connected with one end of the Z-axis sliding rod, the other end of the Z-axis sliding rod is fixedly connected with the mounting seat, and the mounting seat is provided with the code scanner.

[0019] The rack adopts a modular frame structure.

[0020] The bottom of the rack is provided with shock-absorbing casters.

[0021] The inside of the rack is provided with a dust collector, and the dust suction port of the dust collector is arranged on the operation table of the rack and is arranged correspondingly to the marking and engraving station.

[0022] Compared with the prior art, the air tightness detection positioning fixture has the following beneficial effects:

[0023] This invention integrates airtightness testing and marking / engraving processes into a single workstation, eliminating secondary clamping errors and reducing equipment investment. Combined with a modular frame structure, it significantly reduces the production line's floor space. Four independently driven sealing cylinders and positioning mechanisms ensure stable sealing even under testing pressure. A three-dimensional adjustable bracket enables multi-degree-of-freedom adjustment of the barcode scanner, accommodating different product specifications, and integrates barcode traceability and data storage functions, enhancing the controllability of the production process. Ultimately, testing and marking are completed at a single workstation, improving production efficiency and reducing fixed asset investment and overall production costs for automotive exhaust system manufacturers. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the airtightness testing positioning fixture;

[0026] Figure 3 This is a schematic diagram showing the connection relationship between the intermediate nut plug and the corresponding plugging cylinder;

[0027] Figure 4 This is a schematic diagram showing the connection between the barcode scanner and the 3D adjustment bracket. Detailed Implementation

[0028] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model.

[0029] An integrated tooling for airtightness testing and marking of a three-way catalytic converter assembly, including...

[0030] Air tightness leak detector 2 is used to test the air tightness of product 7;

[0031] Display 1 is used to display the airtightness test results of product 7;

[0032] Scanner 6 is used to scan the barcode of product 7;

[0033] An airtightness testing positioning fixture is used to position and seal product 7.

[0034] Laser 9 is used for marking and engraving product 7;

[0035] The industrial control computer 10 is used for overall machine control. It has data transmission connections with the display 1, the airtightness leak detector 2, the barcode scanner 6, and the laser 9 to achieve overall control.

[0036] The industrial control computer 10 integrates an automated control program. This program can preset airtightness testing parameters, engraving content, and procedures, and has a self-diagnostic function. When the airtightness test fails or an abnormality occurs during engraving, it automatically alarms and displays a fault code, facilitating rapid problem troubleshooting. The industrial control computer 10 of this invention is preferably an Advantech IPC-610MB-98L9 industrial computer.

[0037] The marking and positioning fixture is used to position and fix the product heat insulation cover 11.

[0038] The marking and positioning fixture uses movable jaws, which is existing technology and is not limited to any model. It is sufficient to limit and fix the heat insulation cover 11 of the product. It should be noted that enough working space for marking and marking needs to be reserved between the upper jaw fingers of the movable jaw.

[0039] Control button 12 is used to control the opening and closing of display 1, airtightness leak detector 2, barcode scanner 6, laser 9 and industrial control computer 10.

[0040] Frame 15 is used to mount the aforementioned components.

[0041] When this utility model is in operation, product 7 (catalytic converter assembly) and product heat shield 11 (engraved product) are loaded. The barcode scanner 6 scans the barcode of product 7. Then, the airtightness testing and positioning fixture positions and seals product 7. The airtightness leak detector 2 starts working to perform airtightness testing. After the test, the display 1 shows the test results. If the test fails, the warning light 23 is turned on to warn. If the test passes, the engraving head 13 of the laser 9 engraves the product heat shield 11.

[0042] The airtightness testing positioning fixture includes an inlet nut plug 3, an inlet flange plug 4, an intermediate nut plug 5, and an outlet flange plug 8, used to seal the corresponding positions of the product 7. The inlet nut plug 3, the inlet flange plug 4, the intermediate nut plug 5, and the outlet flange plug 8 are driven by corresponding sealing cylinders 14. Each sealing cylinder 14 is fixedly mounted on the frame 15 by bolts and adopts a pneumatic drive structure to facilitate quick sealing and disassembly.

[0043] Each of the sealing cylinders 14 has a positioning ring 16 fixedly fitted on the outer side of its piston rod, and the piston rod of each sealing cylinder 14 is slidably disposed in the corresponding guide sleeve 17. Each guide sleeve 17 is fixedly connected to the frame 15. The positioning ring 16 is located at the inner end of the piston rod. The guide sleeve 17 ensures linear movement during sealing, and the positioning ring 16 quickly positions the sealing movement path to ensure accurate alignment with the corresponding interface of the catalyst assembly during sealing, thereby improving sealing accuracy and efficiency.

[0044] The inlet nut plug 3, inlet flange plug 4, intermediate nut plug 5, and outlet flange plug 8 are all fixed with multiple locking buckles 18 evenly distributed along their respective circumferences near the piston rod of the corresponding plugging cylinder 14. The outer end of each piston rod of the plugging cylinder 14 is provided with multiple positioning grooves evenly distributed along its circumference that are interference-fitted with the locking buckles 18. Through this quick-change structure of locking buckles 18, the plugs can be quickly disassembled and replaced to meet the plugging requirements of different models of catalyst assemblies and improve the versatility of tooling.

[0045] The barcode scanner 6 is mounted on the frame 15 via a three-dimensional adjustment bracket. The three-dimensional adjustment bracket includes a bracket 21, an X-axis slide bar 22, an X-axis slider 23, a Y-axis slide bar 24, a Y-axis slider 25, a Z-axis slide bar 26, and a mounting base 27. The bracket 21 is fixedly mounted on the frame 15. The upper end of the bracket 21 is fixedly connected to one end of the X-axis slide bar 22 by bolts. The other end of the X-axis slide bar 22 slides and is fixedly connected to one end of the X-axis slider 23 by bolts. The X-axis slider 23... The other end is fixedly connected to one end of the Y-axis slide rod 24 by a bolt. The other end of the Y-axis slide rod 24 slides to one end of the Y-axis slider 25 and is fixedly connected to it by a bolt. The other end of the Y-axis slider 25 slides to one end of the Z-axis slide rod 26 and is fixedly connected to it by a bolt. The other end of the Z-axis slide rod 26 is fixedly connected to the mounting base 27. A barcode scanner 6 is installed on the mounting base 27. By adjusting the height and horizontal position of the barcode scanner 6, the barcode scanning requirements of different specifications of catalyst assemblies can be adapted.

[0046] The frame 15 adopts a modular frame structure, including detachable side panels and top panels. All components (code scanner, sealant, airtightness leak detector, etc.) are installed on the frame through standardized interfaces, which facilitates later maintenance and component replacement.

[0047] The bottom of the frame 15 is equipped with shock-absorbing casters 19 for easy movement of the tooling.

[0048] A vacuum cleaner 20 is installed inside the frame 15. The suction port of the vacuum cleaner 20 is set on the operating table of the frame 15 and corresponds to the marking and engraving station. It can promptly remove the debris generated during engraving and impurities that may be generated during the inspection process, and keep the working environment clean.

[0049] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of the equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0050] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A three-way catalyst assembly airtightness detection and marking integrated tool, characterized in that: The utility model relates to a kind of leak detector for detecting the air tightness of product (7);Display (1) is used to show the air tightness detection result of product (7);Code scanner (6) is used to scan the bar code of product (7);Air tightness detection positioning fixture is used to position and block product (7);Laser (9) is used for marking product (7);Industrial control computer (10) is used for whole machine control, and it is data transmission connection with display (1), leak detector (2), code scanner (6) and laser (9);Marking positioning fixture is used to position and fix product heat shield (11);Control button (12) is used to control the opening and closing of display (1), leak detector (2), code scanner (6), laser (9) and industrial control computer (10);Frame (15) is used to install the above-mentioned parts. The air tightness detection positioning fixture includes air inlet nut block (3), air inlet flange block (4), intermediate nut block (5) and air outlet flange block (8), and is used to block corresponding position of product (7);Air inlet nut block (3), air inlet flange block (4), intermediate nut block (5) and air outlet flange block (8) are driven to move by corresponding block cylinder (14) respectively, and each block cylinder (14) is installed on frame (15). The outer side of the piston rod of each block cylinder (14) is fixedly sleeved with positioning ring (16), and the piston rod of each block cylinder (14) is slidably arranged in corresponding guide sleeve (17) respectively, each guide sleeve (17) is fixedly connected with frame (15), and the positioning ring (16) is located at the inner end of the piston rod. The adjacent end of air inlet nut block (3), air inlet flange block (4), intermediate nut block (5) and air outlet flange block (8) and the piston rod of corresponding block cylinder (14) is fixed with a plurality of locking buckles (18), and the outer end of the piston rod of each block cylinder (14) is provided with a plurality of positioning grooves in interference clamping with locking buckle (18). ​ ​ ​ ​ ​ ​ 2. The integrated tool for detecting and marking the three-way catalyst assembly according to claim 1, characterized in that: ​ 3. The integrated tool for detecting and marking the three-way catalyst assembly according to claim 2, characterized in that: ​ 4. The integrated tool for detecting and marking the three-way catalyst assembly according to claim 3, characterized in that: ​ 5. The integrated tool for detecting and marking the three-way catalytic converter assembly according to claim 1 or 4, characterized in that: The code scanner (6) is installed on the rack (15) through a three-dimensional adjusting support, which comprises a support (21), an X-axis sliding rod (22), an X-axis sliding block (23), a Y-axis sliding rod (24), a Y-axis sliding block (25), a Z-axis sliding rod (26) and a mounting seat (27); the support (21) is fixedly installed on the rack (15), the upper end of the support (21) is fixedly connected with one end of the X-axis sliding rod (22), the other end of the X-axis sliding rod (22) is slidingly and fixedly connected with one end of the X-axis sliding block (23), the other end of the X-axis sliding block (23) is fixedly connected with one end of the Y-axis sliding rod (24), the other end of the Y-axis sliding rod (24) is slidingly and fixedly connected with one end of the Y-axis sliding block (25), the other end of the Y-axis sliding block (25) is slidingly and fixedly connected with one end of the Z-axis sliding rod (26), the other end of the Z-axis sliding rod (26) is fixedly connected with the mounting seat (27), and the code scanner (6) is installed on the mounting seat (27).

6. The integrated tool for detecting and marking the three-way catalytic converter assembly according to claim 1, characterized in that: The rack (15) adopts a modular frame structure.

7. The integrated tool for detecting and marking the three-way catalyst assembly according to claim 6, characterized in that: Damping casters (19) are installed at the bottom of the rack (15).

8. The integrated leak detection and marking tool of claim 6, wherein: A dust collector (20) is installed in the rack (15), a dust suction port of the dust collector (20) is arranged on an operation table of the rack (15) and is arranged correspondingly to the logo marking station.

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