A welding positioning device for fireproof window processing

Abstract

This invention relates to the field of welding positioning devices, and more particularly to a welding positioning device for processing fireproof windows. The device includes a worktable with grooves around its upper surface. Clamping plates are slidably installed within each groove. A positioning assembly is rotatably mounted at the center of the upper surface of the worktable. The positioning assembly includes an upper turntable and a lower turntable. The bottom of the upper turntable rotatably engages with the lower turntable via a rotating part, which in turn engages with the worktable. Positioning strips extend from both ends of both the upper and lower turntables, and the two sets of positioning strips are arranged symmetrically in a cross pattern. A support plate for supporting the window frame is fixedly mounted at the bottom of each set of positioning strips. Synchronous connecting rods are rotatably mounted at both ends of the bottom of the support plate. This invention can strictly limit the corner joints of two adjacent window frames and uses limiting blocks to ensure precise alignment of adjacent window frames, effectively improving the welding accuracy at window frame joints. It can also adapt to the welding process of window frames of different sizes and dimensions.

Description

Technical Field

[0001] This invention relates to the field of welding positioning device technology, and in particular to a welding positioning device for processing fireproof windows. Background Technology

[0002] Fire-resistant windows are windows made of steel frames, steel sashes, and fire-resistant glass, designed to isolate and prevent the spread of fire. They are typically installed in openings or skylights on the exterior walls of buildings where fire separation distances are insufficient, in areas requiring observation on firewalls or fire-resistant partitions within buildings, and in exterior wall openings where vertical fire spread needs to be prevented.

[0003] During the production and processing of fireproof windows, the window frames need to be welded. Currently, the positioning devices used for window frame welding often adopt a simple fixed bracket structure, which only clamps the window frame. However, it is difficult to ensure precise alignment at the corner joints of two adjacent window frames, which seriously affects the welding quality of the window frame. Summary of the Invention

[0004] The purpose of this invention is to provide a welding positioning device for processing fireproof windows, thereby solving the above-mentioned technical problems.

[0005] The objective of this invention can be achieved through the following technical solutions:

[0006] A welding positioning device for processing fireproof windows includes a worktable. The worktable has grooves around its upper surface, and clamps are slidably installed within each groove. A positioning assembly is rotatably mounted at the center of the upper surface of the worktable. The positioning assembly includes an upper turntable and a lower turntable. The bottom of the upper turntable rotatably engages with the lower turntable via a rotating part, which in turn engages with the worktable. Positioning strips extend from both ends of the upper and lower turntables, and the two sets of positioning strips are arranged symmetrically in a cross pattern. A support plate for supporting the window frame is fixedly mounted at the bottom of each set of positioning strips. Synchronous connecting rods are rotatably installed at both ends of the bottom of the mounting plate. Adjacent synchronous connecting rods form a group. The two groups of synchronous connecting rods are symmetrically arranged to drive the two groups of positioning bars to rotate synchronously to adjust the included angle. Limit blocks are slidably installed at both ends of the two groups of positioning bars. A top frame is fixedly installed at the upper end of the worktable. A drive motor is fixedly installed on the top frame. The output end of the drive motor is connected to a central shaft. A sliding sleeve is axially slidably installed on the central shaft. The sliding sleeve and the limit block are connected by a positioning connecting rod. The positioning connecting rod drives the limit block to slide synchronously along the positioning bar.

[0007] As a further embodiment of the present invention: a slider is fixedly connected to the bottom of the clamping plate, the slider is adapted to slide in the slide groove, a pull rod is fixedly connected to the back side of the clamping plate, the pull rod slides through the side of the workbench and is connected to the pull plate, and a return spring is provided between the pull plate and the side of the workbench.

[0008] As a further embodiment of the present invention: a clearance opening is provided through the center of the workbench, and a mounting plate is fixedly provided in the center of the clearance opening. The upper turntable and the lower turntable are rotatably mounted on the mounting plate through a rotating part. A set of toothed plates are symmetrically arranged at the center below the mounting plate, and the end of each set of synchronous connecting rods is rotatably connected to one end of the toothed plate through a rotating shaft.

[0009] As a further embodiment of the present invention: slide rails are fixedly provided on both sides of the bottom of the mounting plate, and slide bars are fixedly provided on the outer side of the toothed plate, with the slide bars adapted to be slidably installed in the corresponding slide rails.

[0010] As a further embodiment of the present invention: a base frame is fixedly provided at the bottom of the clearance opening, an adjustment motor is fixedly provided on the base frame, the output shaft of the adjustment motor rotates coaxially through the upper turntable and the lower turntable, an adjustment gear is fixedly sleeved on the output shaft of the adjustment motor, and the adjustment gear meshes with two toothed plates at the same time.

[0011] As a further embodiment of the present invention: a limiting right angle portion is provided at one end of the limiting block near the window frame, and pressure sensors are provided on both inner walls of the limiting right angle portion. A signal processor is fixedly provided on the back side of the limiting block, and the pressure sensors are communicatively connected to the signal processor.

[0012] As a further embodiment of the present invention: both ends of the positioning strip are provided with back plates, a sliding rod is fixedly provided on the back side of the limiting block, the sliding rod slides through the back plate and is fixedly connected to a baffle, a return spring is provided between the limiting block and the back plate, and a connecting seat is fixedly provided at the top of the limiting block.

[0013] As a further embodiment of the present invention: a ring rail is provided circumferentially on the outer wall of the sliding sleeve, and a rotating seat is adapted to be slidably installed on the ring rail. One end of the positioning link is rotatably engaged with the rotating seat, and the other end of the positioning link is rotatably engaged with the connecting seat.

[0014] As a further embodiment of the present invention: a compression spring is provided between the top end of the sliding sleeve and the top frame; extension plates are fixedly provided on both sides of the top end of the sliding sleeve; a lifting cylinder is fixedly provided on the top frame; the output end of the lifting cylinder is connected to one end of the extension plate; and a guide rod is fixedly provided at the other end of the extension plate, the guide rod slidingly penetrating the top frame.

[0015] As a further aspect of the present invention: a telescopic robotic arm is fixedly connected to the bottom end of the central shaft, and a welding head is rotatably mounted on the end of the telescopic robotic arm.

[0016] The beneficial effects of this invention are:

[0017] (1) By setting up positioning components and limiting blocks, before welding the window frame, the two sets of window frames are placed on the mounting plate respectively, and the two sets of clamps are used to push and clamp the window frame respectively, so that the two ends of each window frame can be tightly abutted against the corresponding positioning strip, thereby realizing the positioning and clamping of the window frame. At the same time, by using the up and down sliding process of the sliding sleeve, the limiting block is driven to slide synchronously along the positioning strip through the positioning link until each limiting block abuts against the corner of the two adjacent window frames, thereby strictly limiting the corner joint of the two adjacent window frames, and using the limiting block to make the adjacent window frames accurately aligned, effectively improving the welding accuracy of the window frame joint.

[0018] (2) The corner joints of two adjacent window frames are aligned by positioning strips. When the upper and lower turntables are rotated synchronously by the synchronous connecting rod, the included angle between the two sets of positioning strips will also change accordingly. With the clamping process of the clamping plate and the limiting block, the window frame size applicable to the positioning strip will also be adjusted accordingly, so that the angle change of the positioning strip can be used to adapt to the welding process of window frames of different sizes.

[0019] (3) By setting a sliding sleeve, the lifting cylinder will push the sliding sleeve to slide up and down along the central axis. At the same time, the sliding sleeve will drive the limiting block to slide radially along the positioning strip through the positioning link until the limiting block is pressed against the corner of the adjacent window frame. When adjusting the angle of the positioning strip, the limiting block will also drive the rotating seat to slide adaptively along the ring rail through the positioning link, so that the sliding sleeve can always achieve transmission between the positioning link and the limiting block. The transmission process is reliable and stable. Attached Figure Description

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 This is a schematic diagram of the clamping plate in this invention.

[0023] Figure 3 This is a schematic diagram of the positioning component in this invention.

[0024] Figure 4 This is a schematic diagram of the bottom structure of the workbench in this invention.

[0025] Figure 5 This is a schematic diagram of the structure of the adjusting motor in this invention.

[0026] Figure 6 This is a schematic diagram of the synchronous linkage in this invention.

[0027] Figure 7 This is a schematic diagram of the limiting block in this invention.

[0028] Figure 8 This is a schematic diagram of the top frame structure in this invention.

[0029] Figure 9 This is a schematic diagram of the sliding sleeve in this invention.

[0030] In the diagram: 1. Workbench; 101. Slide groove; 102. Clearance opening; 103. Base frame; 104. Mounting plate; 105. Slide rail; 2. Clamping plate; 201. Slider; 202. Pull rod; 203. Return spring; 3. Positioning assembly; 301. Upper turntable; 302. Lower turntable; 303. Rotating part; 304. Positioning strip; 305. Mounting plate; 306. Synchronous connecting rod; 307. Gear plate; 308. Slide bar; 309. Backing plate; 4. Limit block; 401. 402. Limiting right-angle section; 403. Pressure sensor; 404. Signal processor; 405. Slide rod; 406. Baffle; 407. Return spring; 408. Connecting seat; 5. Top frame; 6. Adjusting motor; 601. Adjusting gear; 7. Drive motor; 701. Central shaft; 8. Sliding sleeve; 802. Rotating seat; 803. Positioning link; 804. Ring rail; 805. Compression spring; 806. Extension plate; 9. Telescopic robotic arm; 10. Welding head; 11. Lifting cylinder. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Please see Figures 1-3 , Figure 6 and Figure 8As shown, this invention is a welding positioning device for processing fireproof windows, including a workbench 1. The workbench 1 has sliding grooves 101 around its upper perimeter, and clamping plates 2 are slidably installed within each groove 101. A positioning component 3 is rotatably mounted at the center of the upper end of the workbench 1. The positioning component 3 includes an upper turntable 301 and a lower turntable 302. The bottom of the upper turntable 301 rotatably engages with the lower turntable 302 via a rotating part 303, which in turn engages with the workbench 1. Positioning strips 304 extend from both ends of the upper turntable 301 and the lower turntable 302, and the two sets of positioning strips 304 are arranged symmetrically in a cross pattern. A bracket for supporting the window frame is fixedly installed at the bottom of each set of positioning strips 304. The bottom of the plate 305 is rotatably mounted with synchronous connecting rods 306 at both ends. Adjacent synchronous connecting rods 306 form a group. The two groups of synchronous connecting rods 306 are symmetrically arranged to drive the two groups of positioning bars 304 to rotate synchronously to adjust the included angle. Limiting blocks 4 are slidably installed at both ends of the two groups of positioning bars 304. A top frame 5 is fixedly installed on the upper end of the worktable 1. A drive motor 7 is fixedly installed on the top frame 5. The output end of the drive motor 7 is connected to a central shaft 701. A sliding sleeve 8 is axially slidably installed on the central shaft 701. The sliding sleeve 8 is connected to the limiting block 4 through a positioning connecting rod 802. The positioning connecting rod 802 drives the limiting block 4 to slide synchronously along the positioning bar 304.

[0033] Specifically, by setting the positioning component 3 and the limiting block 4, before welding the window frame, the two sets of window frames are first placed on the mounting plate 305 respectively, and the two sets of clamping plates 2 are used to push and clamp the window frames respectively, so that both ends of each window frame can be tightly abutted against the corresponding positioning strip 304, thereby achieving the positioning and clamping of the window frame. At the same time, by using the up and down sliding process of the sliding sleeve 8, the positioning connecting rod 802 drives the limiting block 4 to slide synchronously along the positioning strip 304 until each limiting block 4 abuts against the corner of the two adjacent window frames, thereby strictly limiting the corner joint of the two adjacent window frames, and using the limiting block 4 to make the adjacent window frames accurately aligned, effectively improving the welding accuracy of the window frame joint.

[0034] More specifically, the corner joints of two adjacent window frames are aligned and limited by positioning strips 304. When the upper turntable 301 and the lower turntable 302 are rotated synchronously by the synchronous connecting rod 306, the included angle between the two sets of positioning strips 304 will also change accordingly. In conjunction with the limiting clamping process of the clamping plate 2 and the limiting block 4, the window frame size applicable to the positioning strips 304 will also be adjusted accordingly. Thus, the angle change of the positioning strips 304 can be used to adapt to the welding process of window frames of different sizes and dimensions.

[0035] like Figure 2As shown, a slider 201 is fixedly connected to the bottom of the clamping plate 2. The slider 201 is adapted to slide and install in the slide groove 101. A pull rod 202 is fixedly connected to the back side of the clamping plate 2. The pull rod 202 slides through the side of the workbench 1 and is connected to the pull plate. A return spring 203 is provided between the pull plate and the side of the workbench 1.

[0036] Specifically, in this application, the clamping plates 2 are arranged in pairs. The horizontal pair of clamping plates 2 clamps the left and right window frames, while the vertical pair of clamping plates 2 clamps the upper and lower window frames. When preparing to place the window frame, the clamping plates 2 are pulled outward using the pull rod 202 to provide space for the installation of the window frame. At this time, the return spring 203 is stretched and deformed. After the window frame is placed, the pull rod 202 is released. Under the elastic force of the return spring 203, the clamping plates 2 will slide in the opposite direction until they are tightly pressed against the window frame. At the same time, both ends of the window frame will also press against the corresponding positioning strips 304.

[0037] like Figures 3-6 As shown, a clearance opening 102 is provided through the center of the workbench 1, and a mounting plate 104 is fixedly provided in the center of the clearance opening 102. The upper turntable 301 and the lower turntable 302 are rotatably mounted on the mounting plate 104 through the rotating part 303. A set of toothed plates 307 are symmetrically arranged at the center below the mounting plate 104. The end of each set of synchronous connecting rods 306 is rotatably connected to one end of the toothed plate 307 through a rotating shaft.

[0038] Specifically, two sets of synchronous connecting rods 306 are symmetrically arranged, and each set of synchronous connecting rods 306 is driven by a corresponding toothed plate 307. When the two toothed plates 307 move synchronously, they will cause the two sets of synchronous connecting rods 306 to swing simultaneously, thereby enabling the two positioning bars 304 to deflect simultaneously. During the adjustment of the included angle, the two positioning bars 304 always maintain cross-symmetry. The clearance opening 102 provides sufficient space for the swinging process of the synchronous connecting rods 306.

[0039] Furthermore, slide rails 105 are fixedly installed on both sides of the bottom of the mounting plate 104, and slide bars 308 are fixedly installed on the outer side of the toothed plate 307. The slide bars 308 are adapted to slide and install in the corresponding slide rails 105.

[0040] Furthermore, a base frame 103 is fixedly installed at the bottom of the opening 102, and an adjustment motor 6 is fixedly installed on the base frame 103. The output shaft of the adjustment motor 6 rotates coaxially through the upper turntable 301 and the lower turntable 302. An adjustment gear 601 is fixedly sleeved on the output shaft of the adjustment motor 6, and the adjustment gear 601 meshes with two toothed plates 307 at the same time.

[0041] Specifically, when the regulating motor 6 is started, it drives the regulating gear 601 to rotate. The regulating gear 601 drives the two toothed plates 307 to move synchronously in opposite directions in a linear motion, thereby causing the two sets of synchronous connecting rods 306 to swing, so as to achieve the angle adjustment. By utilizing the sliding engagement between the slider 308 and the slide rail 105, the linear sliding process of the toothed plate 307 can be limited and guided, ensuring reliable and stable transmission.

[0042] like Figure 7 As shown, a right-angled limit part 401 is provided at one end of the limit block 4 near the window frame. Pressure sensors 402 are provided on both inner walls of the right-angled limit part 401. A signal processor 403 is fixedly provided on the back side of the limit block 4. The pressure sensors 402 and the signal processor 403 are communicatively connected.

[0043] Specifically, by setting a right-angled limiting part 401, when the limiting block 4 slides along the positioning strip 304 towards the window frame, the right-angled limiting part 401 will be locked at the corner of the window frame. When two adjacent window frames are aligned at the corner, the right-angled limiting part 401 will press against the sides of both window frames simultaneously, and the pressure sensors 402 on both inner walls of the right-angled limiting part 401 will collect pressure signals. When two adjacent window frames are not aligned at the corner, the right-angled limiting part 401 will press against the side of one of the window frames, and only the pressure sensor 402 on one inner wall will receive a pressure signal. Thus, the presence or absence of pressure signals on the inner walls on both sides of the right-angled limiting part 401 can be used to visually determine whether two adjacent window frames are aligned at the corner.

[0044] like Figures 7-9 As shown, both ends of the positioning strip 304 are provided with backing plates 309. The back of the limiting block 4 is fixedly provided with a sliding rod 404. The sliding rod 404 slides through the backing plate 309 and is fixedly connected to a baffle 405. A return spring 406 is provided between the limiting block 4 and the backing plate 309. A connecting seat 407 is fixedly provided at the top of the limiting block 4.

[0045] Furthermore, a ring rail 803 is provided circumferentially on the outer wall of the sliding sleeve 8, and a rotating seat 801 is adapted to slide on the ring rail 803. One end of the positioning link 802 is rotatably engaged with the rotating seat 801, and the other end of the positioning link 802 is rotatably engaged with the connecting seat 407.

[0046] Furthermore, a compression spring 804 is provided between the top of the sliding sleeve 8 and the top frame 5, and extension plates 805 are fixedly provided on both sides of the top of the sliding sleeve 8. A lifting cylinder 11 is fixedly provided on the top frame 5. The output end of the lifting cylinder 11 is connected to one end of the extension plate 805, and a guide rod is fixedly provided at the other end of the extension plate 805. The guide rod slides through the top frame 5.

[0047] Specifically, by setting up the sliding sleeve 8, the lifting cylinder 11 will push the sliding sleeve 8 to slide up and down along the central axis 701. At the same time, the sliding sleeve 8 will drive the limiting block 4 to slide radially along the positioning strip 304 through the positioning link 802 until the limiting block 4 is pressed against the corner of the adjacent window frame. When adjusting the included angle of the positioning strip 304, the limiting block 4 will also drive the rotating seat 801 to slide adaptively along the ring rail 803 through the positioning link 802, so that the sliding sleeve 8 can always achieve transmission between the positioning link 802 and the limiting block 4, and the transmission process is reliable and stable.

[0048] like Figure 8 As shown, a telescopic robotic arm 9 is fixedly connected to the bottom end of the central shaft 701, and a welding head 10 is rotatably installed at the end of the telescopic robotic arm 9.

[0049] Specifically, the drive motor 7 starts and drives the telescopic robotic arm 9 to rotate through the central shaft 701. With the extension and retraction adjustment of the telescopic robotic arm 9 and the swing adjustment of the welding head 10, the welding posture and welding angle of the welding head 10 can be freely adjusted.

[0050] The working principle of this invention is as follows: Figures 1-9 As shown, before welding the window frames, two sets of window frames are first placed on the mounting plate 305, and the two sets of clamping plates 2 are used to push and clamp the window frames, so that both ends of each window frame can be tightly abutted against the corresponding positioning strip 304, thereby achieving the positioning and clamping of the window frames. At the same time, the lifting cylinder 11 pushes the sliding sleeve 8 to slide upward along the central axis 701. The sliding sleeve 8 will drive the limiting block 4 to slide radially along the positioning strip 304 through the positioning connecting rod 802 until the limiting block 4 abuts against the corner of the adjacent window frame, thereby strictly limiting the corner joint of the two adjacent window frames and using the limiting block 4 to make the adjacent window frames accurately aligned. The drive motor 7 starts, driving the telescopic robotic arm 9 to rotate through the central axis 701. With the extension and retraction adjustment of the telescopic robotic arm 9 and the swing adjustment of the welding head 10, the welding posture and welding angle of the welding head 10 can be freely adjusted, thereby using the welding head 10 to perform precise welding of the window frame joint.

[0051] When it is necessary to adjust the included angle between the two positioning bars 304, the adjusting motor 6 starts, which drives the adjusting gear 601 to rotate. The adjusting gear 601 drives the two toothed plates 307 to move synchronously in opposite directions in a linear motion, thereby driving the two sets of synchronous connecting rods 306 to swing. The included angle between the two sets of positioning bars 304 will also change accordingly. In conjunction with the limiting clamping process of the clamping plate 2 and the limiting block 4, the window frame size applicable to the positioning bar 304 will also be adjusted accordingly. Thus, the angle change of the positioning bar 304 can be used to adapt to the welding process of window frames of different sizes and dimensions.

[0052] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. A welding positioning device for processing fireproof windows, comprising a workbench (1), wherein the upper end of the workbench (1) is provided with sliding grooves (101) around its perimeter, and clamping plates (2) are slidably installed in each of the sliding grooves (101), characterized in that, A positioning component (3) is rotatably mounted at the center of the upper end of the workbench (1). The positioning component (3) includes an upper turntable (301) and a lower turntable (302). The bottom of the upper turntable (301) is rotatably engaged with the lower turntable (302) through a rotating part (303). The rotating part (303) is rotatably engaged with the workbench (1). Positioning strips (304) are extended from both ends of the upper turntable (301) and the lower turntable (302), and the two sets of positioning strips (304) are arranged symmetrically in a cross pattern. A support plate (305) for supporting the window frame is fixedly mounted at the bottom of each set of positioning strips (304). Synchronous connecting rods (306) are rotatably mounted at both ends of the bottom of the support plate (305). The synchronous connecting rods (306) form a set, and the two sets of synchronous connecting rods (306) are symmetrically arranged to drive the two sets of positioning bars (304) to rotate synchronously to adjust the included angle. Limiting blocks (4) are slidably installed at both ends of the two sets of positioning bars (304). A top frame (5) is fixedly installed on the upper end of the worktable (1). A drive motor (7) is fixedly installed on the top frame (5). The output end of the drive motor (7) is connected to a central shaft (701). A sliding sleeve (8) is axially slidably installed on the central shaft (701). The sliding sleeve (8) is connected to the limiting block (4) through a positioning connecting rod (802). The positioning connecting rod (802) drives the limiting block (4) to slide synchronously along the positioning bar (304). The limiting block (4) is provided with a limiting right angle part (401) at one end near the window frame. Pressure sensors (402) are provided on both inner walls of the limiting right angle part (401). A signal processor (403) is fixedly provided on the back side of the limiting block (4). The pressure sensor (402) is communicatively connected to the signal processor (403). By setting a right-angled limiting part (401), when the limiting block (4) slides along the positioning strip (304) toward the window frame, the right-angled limiting part (401) will be locked at the corner of the window frame. When two adjacent window frames are aligned at the corner, the right-angled limiting part (401) will press against the sides of the two window frames at the same time. The pressure sensors (402) on both inner walls of the right-angled limiting part (401) will collect pressure signals. When two adjacent window frames are not aligned at the corner, the right-angled limiting part (401) will press against the side of one of the window frames. At the same time, only the pressure sensor (402) on one inner wall will receive pressure signals. The presence or absence of pressure signals on the inner walls on both sides of the right-angled limiting part (401) can be used to intuitively determine whether two adjacent window frames are aligned at the corner.

2. The welding positioning device for processing fireproof windows according to claim 1, characterized in that, The bottom of the clamping plate (2) is fixedly connected to a slider (201), which is adapted to slide in the groove (101). A pull rod (202) is fixedly connected to the back side of the clamping plate (2). The pull rod (202) slides through the side of the workbench (1) and is connected to the pull plate. A return spring (203) is provided between the pull plate and the side of the workbench (1).

3. The welding positioning device for processing fireproof windows according to claim 1, characterized in that, The workbench (1) has a clearance opening (102) through the center. A mounting plate (104) is fixedly installed in the center of the clearance opening (102). The upper turntable (301) and the lower turntable (302) are rotatably mounted on the mounting plate (104) through a rotating part (303). A set of toothed plates (307) are symmetrically arranged at the center below the mounting plate (104). The end of each set of synchronous connecting rods (306) is rotatably connected to one end of the toothed plate (307) through a rotating shaft.

4. The welding positioning device for processing fireproof windows according to claim 3, characterized in that, The mounting plate (104) has slide rails (105) fixedly installed on both sides of its bottom, and a slide bar (308) is fixedly installed on the outside of the toothed plate (307). The slide bar (308) is adapted to slide and install in the corresponding slide rail (105).

5. The welding positioning device for processing fireproof windows according to claim 4, characterized in that, A base frame (103) is fixedly installed at the bottom of the clearance opening (102). An adjustment motor (6) is fixedly installed on the base frame (103). The output shaft of the adjustment motor (6) rotates coaxially through the upper turntable (301) and the lower turntable (302). An adjustment gear (601) is fixedly sleeved on the output shaft of the adjustment motor (6). The adjustment gear (601) meshes with two toothed plates (307) at the same time.

6. The welding positioning device for processing fireproof windows according to claim 1, characterized in that, Both ends of the positioning strip (304) are provided with back plates (309). The back of the limiting block (4) is fixedly provided with a sliding rod (404). The sliding rod (404) slides through the back plate (309) and is fixedly connected with a baffle (405). A return spring (406) is provided between the limiting block (4) and the back plate (309). A connecting seat (407) is fixedly provided at the top of the limiting block (4).

7. A welding positioning device for processing fireproof windows according to claim 6, characterized in that, The outer wall of the sliding sleeve (8) is provided with a ring rail (803) in the circumferential direction. A rotating seat (801) is adapted to slide on the ring rail (803). One end of the positioning link (802) is rotatably engaged with the rotating seat (801), and the other end of the positioning link (802) is rotatably engaged with the connecting seat (407).

8. A welding positioning device for processing fireproof windows according to claim 7, characterized in that, A compression spring (804) is provided between the top end of the sliding sleeve (8) and the top frame (5). An extension plate (805) is fixedly provided on both sides of the top end of the sliding sleeve (8). A lifting cylinder (11) is fixedly provided on the top frame (5). The output end of the lifting cylinder (11) is connected to one end of the extension plate (805). A guide rod is fixedly provided on the other end of the extension plate (805). The guide rod slides through the top frame (5).

9. A welding positioning device for processing fireproof windows according to any one of claims 1-8, characterized in that, The bottom end of the central shaft (701) is fixedly connected to a telescopic mechanical arm (9), and a welding head (10) is rotatably installed at the end of the telescopic mechanical arm (9).

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