Automatic welding equipment for civil air defense door
By introducing a tilting table assembly and positioning fixtures into the automated welding equipment for air-raid shelter doors, and combining them with a welding robot, the problem of the rotation of the conveyor rollers affecting the welding quality was solved, enabling efficient and precise multi-angle welding and improving the applicability and production efficiency of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN KEZHI CIVIL AIR DEFENSE EQUIPMENT CO LTD
- Filing Date
- 2025-05-23
- Publication Date
- 2026-07-03
Smart Images

Figure CN224445095U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of civil defense door technology, and in particular relates to an automated welding equipment for civil defense doors. Background Technology
[0002] As a core protective device in civil defense projects, air defense doors must possess high strength, high sealing performance, and impact resistance. With social development, most existing air defense door production workshops now employ automated production lines, improving production efficiency.
[0003] However, in existing automated production lines, when the air defense door is welded, it is usually transported by conveyor rollers. During welding, the conveyor rollers are prone to rotation, which affects the welding effect. Therefore, an automated welding equipment for air defense doors is proposed. Utility Model Content
[0004] In view of the above-mentioned problems in the prior art, the present invention aims to provide an automated welding equipment for air defense doors, which solves the problem that the use of conveyor rollers to transport air defense doors in the prior art affects the welding quality.
[0005] To achieve the above-mentioned objectives, the technical solution adopted by this utility model is as follows:
[0006] An automated welding equipment for air-raid shelter doors is provided, comprising a welding robot assembly, with at least one air-raid shelter door tilting platform assembly disposed beside the welding robot assembly; the air-raid shelter door tilting platform assembly includes two support seats, and a tilting platform is disposed between the two support seats, with both sides of the tilting platform rotatably connected to the two support seats via a rotary shaft, and a drive device that is pulsatically connected to the rotary shaft is disposed on one of the support seats; a positioning fixture for positioning the air-raid shelter door is disposed on the tilting platform.
[0007] Furthermore, the welding robot assembly includes a base, on which a linear track is provided, a rack is provided on one side of the linear track, a walking base is slidably provided on the linear track, a drive motor is provided on the walking base, an output end of the drive motor is provided with a drive gear that meshes with the rack, and a welding robot is provided on the upper surface of the walking base.
[0008] Furthermore, two of the aforementioned air defense door tilting platform assemblies are provided on both sides of the straight track along its length.
[0009] Furthermore, the air defense door tilting platform assembly located on one side of the linear track is a spot welding team station, and the air defense door tilting platform assembly located on one side of the linear track is a robot full welding station.
[0010] Furthermore, the driving device includes a servo motor and a reducer, the output end of the servo motor is connected to the input end of the reducer, and the output end of the reducer is connected to the rotary shaft.
[0011] Furthermore, the positioning fixture includes a team positioning fixture and a full-welding positioning fixture.
[0012] Furthermore, the team positioning fixture includes a first support plate detachably connected to the flipping platform, and the first support plate is provided with multiple clamping devices, multiple stiffening plate limiting blocks and multiple panel positioning blocks;
[0013] Multiple clamping devices are disposed in the middle of the first support plate. Each clamping device includes a clamping cylinder, and a clamping block is provided at the telescopic end of the clamping cylinder.
[0014] Multiple stiffener plate limiting blocks are disposed in the middle of the first support plate, and each stiffener plate limiting block has a positioning groove on its top for cooperating with the stiffener plate.
[0015] Multiple panel positioning blocks are disposed around the perimeter of the first support plate, with the inner wall of the panel positioning block in contact with the outer sidewall of the panel.
[0016] Furthermore, the full welding positioning fixture includes a second support plate detachably connected to the flipping platform and multiple cylinder clamping devices. The upper surface of the second support plate is provided with a group product positioning block at its perimeter. The multiple cylinder clamping devices are used to clamp the panel to be welded onto the group product. A contact sensor is provided on the second support plate.
[0017] The beneficial effects of this utility model are as follows: 1. The automated welding equipment for air defense doors of this utility model sets up an air defense door flipping table assembly and sets up a positioning fixture on the flipping platform to completely fix the air defense door to be welded on the flipping platform, and then the welding robot assembly performs welding on the air defense door; the setting of the positioning fixture avoids the air defense door from shifting during welding, thereby improving the welding effect and welding quality.
[0018] 2. The present invention relates to an automated welding equipment for air-raid shelter doors. The air-raid shelter door tilting table assembly can drive the air-raid shelter door on it to rotate, thereby adjusting the welding angle of the air-raid shelter door. The welding robot assembly and the air-raid shelter door tilting table assembly cooperate with each other, and can control the detailed direction of the welding robot assembly, thereby improving the accuracy of welding. This gives the automated welding equipment for air-raid shelter doors the advantages of high flexibility and multi-angle welding, greatly improving its practicality.
[0019] 3. The automated welding equipment for air-raid shelter doors of this utility model is provided by setting up an air-raid shelter door turning table assembly at the spot welding team station and the robot full welding station respectively. The air-raid shelter door turning table assembly is equipped with a team positioning fixture and a full welding positioning fixture respectively. By selecting different specifications of team positioning fixtures and full welding positioning fixtures, it is convenient to fix and clamp air-raid shelter doors of different sizes, thereby improving the applicability of the entire welding equipment and improving production efficiency. Attached Figure Description
[0020] Figure 1 This is a structural schematic diagram of an automated welding equipment for air defense doors.
[0021] Figure 2 This is a structural schematic diagram of a welding robot component.
[0022] Figure 3 This is a structural diagram of the civil defense door tilting platform assembly.
[0023] Figure 4 A structural diagram of the positioning tooling for team formation.
[0024] Figure 5 A schematic diagram of the positioning fixture for full welding.
[0025] Among them, 1. Welding robot assembly; 101. Base; 102. Linear track; 103. Rack; 104. Walking base; 105. Drive motor; 106. Welding robot; 2. Air defense door tilting platform assembly; 201. Support base; 202. Tilting platform; 203. Drive device; 3. Team positioning fixture; 301. First support plate; 302. Clamping device; 303. Rib plate limit block; 304. Panel positioning block; 4. Full welding positioning fixture; 401. Second support plate; 402. Cylinder clamping device; 403. Team product positioning block. Detailed Implementation
[0026] The specific embodiments of this utility model are described below to enable those skilled in the art to understand this utility model. However, it should be understood that this utility model is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of this utility model as defined and determined by the appended claims, these changes are obvious. All inventions utilizing the concept of this utility model are protected.
[0027] like Figure 1 and Figure 3As shown, this utility model provides an automated welding equipment for air-raid shelter doors, which includes a welding robot assembly 1. At least one air-raid shelter door tilting platform assembly 2 is arranged next to the welding robot assembly 1. The air-raid shelter door tilting platform assembly 2 includes two support seats 201, and a tilting platform 202 is arranged between the two support seats 201. Both sides of the tilting platform 202 are rotatably connected to the two support seats 201 through a rotary shaft. A drive device 203 that is induced to drive the rotary shaft is arranged on one of the support seats 201. A positioning fixture for positioning the air-raid shelter door is arranged on the tilting platform 202.
[0028] Specifically, the drive device 203 includes a servo motor and a reducer. The output end of the servo motor is connected to the input end of the reducer, and the output end of the reducer is connected to the rotary shaft.
[0029] By setting up the air defense door tilting platform assembly 2 and setting up positioning fixtures on the tilting platform 202, the air defense door to be welded is completely fixed on the tilting platform 202, and then the welding robot assembly 1 performs welding on the air defense door. The setting of the positioning fixtures avoids displacement of the air defense door during welding, improves the welding effect and welding quality, and solves the problem of affecting the welding quality when using conveyor rollers to transport air defense doors in the existing technology.
[0030] The air defense door tilting platform 2 can drive the air defense door on it to rotate, so as to adjust the welding angle of the air defense door. The welding robot 1 and the air defense door tilting platform 2 work together to control the detailed direction of the welding robot 1, improve the accuracy of welding, and make the air defense door automated welding equipment have the advantages of high flexibility and multi-angle welding, which greatly improves its practicality.
[0031] Specifically, such as Figure 2 As shown, in one embodiment of the welding robot assembly 1, the welding robot assembly 1 includes a base 101, a linear track 102 is provided on the base 101, a rack 103 is provided on one side of the linear track 102, a walking base 104 is slidably provided on the linear track 102, a drive motor 105 is provided on the walking base 104, an output end of the drive motor 105 is provided with a drive gear that meshes with the rack 103, and a welding robot 106 is provided on the upper surface of the walking base 104.
[0032] like Figure 1As shown, two air-raid shelter door tilting platform assemblies 2 are arranged on both sides of the linear track 102 along its length. The air-raid shelter door tilting platform assembly 2 located on one side of the linear track 102 is a spot welding team station, and the air-raid shelter door tilting platform assembly 2 located on the other side of the linear track 102 is a robot full welding station. The positioning fixture includes a team positioning fixture 3 and a full welding positioning fixture 4.
[0033] like Figure 1 and Figure 4 As shown, the team positioning fixture 3 includes a first support plate 301 detachably connected to the flipping platform 202. The first support plate 301 is provided with multiple clamping devices 302, multiple rib plate limiting blocks 303, and multiple panel positioning blocks 304. The multiple clamping devices 302 are located in the middle of the first support plate 301, and each clamping device 302 includes a clamping cylinder. The telescopic end of the clamping cylinder is provided with a clamping block. The multiple rib plate limiting blocks 303 are located in the middle of the first support plate 301, and the top of each rib plate limiting block 303 is provided with a positioning groove for cooperating with the rib plate. The multiple panel positioning blocks 304 are located on the four sides of the first support plate 301, and the inner wall of the panel positioning block 304 contacts the outer edge side wall of the panel.
[0034] The team positioning fixture 3 is used to position the stiffening plate and single-sided panel of the suspension plate, which facilitates the welding of the stiffening plate and the panel to form a team product. The specific process is as follows: Step 1: Manually install the stiffening plate in the positioning groove of the stiffening plate limiting block 303, and use the positioning groove to complete the stiffening plate limiting.
[0035] Step 2: Manually hoist the panel and position it using panel positioning block 304;
[0036] Step 3: Use clamping device 302 to clamp the panel;
[0037] Step 4: Rotate platform 202 180 degrees, with the stiffening plate on top and the panel on the bottom;
[0038] Step 5: Use a welding robot to spot weld the gaps to form a group of products;
[0039] Step 5: Reset the flip platform 202 and rotate it 180 degrees;
[0040] Step 6: Loosen the clamping device 302, release the grouped products, and lift them off the flipping platform 202.
[0041] like Figure 1 and Figure 5As shown, the full-welding positioning fixture 4 includes a second support plate 401 detachably connected to the flipping platform 202 and multiple cylinder clamping devices 402. Positioning blocks 403 for the assembled products are provided around the perimeter of the upper surface of the second support plate 401. The multiple cylinder clamping devices 402 are used to clamp the panels to be welded onto the assembled products. A contact sensor is provided on the second support plate 401. The contact sensor is electrically connected to the welding robot 106 and is used to detect whether the assembled products are installed in place on the full-welding positioning fixture 4. When the contact sensor detects that the assembled products are installed in place, it gives a welding signal, and the welding robot 106 begins to automatically weld the assembled products. The full-welding positioning fixture 4 is used to perform full welding on the assembled products and subsequently installed panels. The specific process is as follows:
[0042] Step 1: Position the grouped products onto the second support plate 401 using the grouped product positioning block 403;
[0043] Step 2: The sensor installed on the second support plate 401 detects that the product is installed in place and gives a welding signal;
[0044] Step 3: Welding robot 106 begins welding according to the program settings;
[0045] Step 4: After the weld between the stiffening plate and the panel in the product is fully welded, give the material loading signal to notify the manual to load another panel.
[0046] Step 5: Manually hoist and load another panel, and operate the cylinder clamping device 402 to complete the panel clamping action, so that the panel and the stiffening plate are tightly attached.
[0047] Step 6: Rotate the tilt table 180 degrees so that the panel is facing down;
[0048] Step 7: The robot welds the panel and stiffening plate to complete the full weld;
[0049] Step 8: Reset the tilting table and rotate it 180 degrees;
[0050] Step 9: Loosen the cylinder clamping device 402, loosen the welded air-raid shelter door, and manually lift it down.
[0051] By setting up a civil defense door flipping table assembly 2 at the spot welding team station and the robot full welding station respectively, and setting up a team positioning fixture 3 and a full welding positioning fixture 4 on the civil defense door flipping table assembly 2 respectively, and by selecting different specifications of team positioning fixture 3 and full welding positioning fixture 4, it is easy to fix and clamp civil defense doors of different sizes, thereby improving the applicability of the entire welding equipment and improving production efficiency.
Claims
1. A human defense door automatic welding device, characterized in that, The system includes a welding robot assembly, with at least one air-raid shelter door tilting platform assembly located beside it. The air-raid shelter door tilting platform assembly includes two support bases, with a tilting platform positioned between them. Both sides of the tilting platform are rotatably connected to the two support bases via rotating shafts. One support base is equipped with a drive device that is connected to the rotating shafts. The tilting platform is equipped with a positioning fixture for positioning the air-raid shelter door. The positioning fixture includes a group positioning fixture and a full-welding positioning fixture. The group positioning fixture includes a first support plate detachably connected to the tilting platform. The first support plate is equipped with multiple clamping devices, multiple stiffening plate limiting blocks, and multiple panel positioning blocks. Multiple clamping devices are disposed in the middle of the first support plate. Each clamping device includes a clamping cylinder, and a clamping block is provided at the telescopic end of the clamping cylinder. Multiple stiffener plate limiting blocks are disposed in the middle of the first support plate, and each stiffener plate limiting block has a positioning groove on its top for cooperating with the stiffener plate. Multiple panel positioning blocks are disposed around the perimeter of the first support plate, with the inner wall of the panel positioning block in contact with the outer sidewall of the panel. The full welding positioning fixture includes a second support plate detachably connected to the flipping platform and multiple cylinder clamping devices. The upper surface of the second support plate is provided with a group product positioning block at its perimeter. The multiple cylinder clamping devices are used to clamp the panel to be welded onto the group product. A contact sensor is provided on the second support plate.
2. The civil defense door automated welding apparatus according to claim 1, wherein The welding robot assembly includes a base, a linear track on the base, a rack on one side of the linear track, a walking base slidably mounted on the linear track, a drive motor mounted on the walking base, an output gear on the drive motor that meshes with the rack, and a welding robot mounted on the upper surface of the walking base.
3. The civil defense door automated welding apparatus according to claim 2, wherein Two of the aforementioned air defense door tipping platform assemblies are installed on both sides of the straight track along its length.
4. The civil defense door automated welding apparatus according to claim 3, wherein The air defense door tilting platform assembly located on one side of the linear track is a spot welding team station, and the air defense door tilting platform assembly located on one side of the linear track is a robot full welding station.
5. The automated welding equipment for air-raid shelter doors according to claim 4, characterized in that, The drive device includes a servo motor and a reducer. The output end of the servo motor is connected to the input end of the reducer, and the output end of the reducer is connected to the rotary shaft.