Nut plate positioning mechanism and nut plate welding device

Abstract

The utility model belongs to the technical field of automobile manufacturing, and provides a nut plate positioning mechanism which comprises an equipment bedplate, an aligning structure is arranged at the top of the equipment bedplate, a distance adjusting structure is arranged on the aligning structure, a feeding structure is arranged on the distance adjusting structure, and a positioning structure is arranged at the rear end of the top of the equipment bedplate. The aligning structure comprises an aligning sliding groove formed in the top of the equipment platen, a lead screw is rotationally installed in the aligning sliding groove, one end of the lead screw extends to penetrate through the aligning sliding groove and is fixedly provided with an aligning rotating grip, the lead screw is sleeved with an aligning sliding block, and an aligning rod is fixedly installed at the top of the aligning sliding block. The positioning structure comprises a sleeve fixedly installed at the rear end of the top of the equipment platen, a sliding rod is slidably inserted into the top of the sleeve, and the sliding rod is sleeved with a spring. The problem that after a nut plate of an existing device is placed on a positioning base plate, small-distance displacement behavior is inconvenient, and consequently positioning of a positioning device and a through hole in the nut plate is inaccurate is solved.

Description

Technical Field

[0001] The utility model relates to the field of automobile manufacturing, in particular to a nut plate positioning mechanism and a nut plate welding device. Background Art

[0002] Adding snap holes, riveted nuts, welded nuts, welded nut plates, welded nut brackets, reinforcement plates with nuts and other methods at the mounting points on the automobile body assembly can meet the connection strength at the mounting points on the automobile body assembly, among which welded nut plates are more commonly used.

[0003] The nut plate is a nut coaxially welded at the through hole on the plate to facilitate the subsequent installation of bolts on the nut plate using threads.

[0004] After searching, the patent with publication number CN221337283U includes a positioning substrate arranged on the processing platform, an electrode avoidance notch is arranged in the middle of the positioning substrate, and a positioning bracket assembly, a front side profile positioning assembly, an oblique side profile positioning assembly, a rear side profile positioning assembly and a material edge positioning assembly are arranged on the positioning substrate and around the electrode avoidance notch in sequence, and a nut plate positioning mechanism is arranged between the material edge positioning assembly and the positioning bracket assembly.

[0005] After the nut plate of the existing equipment is placed on the positioning base plate, it is not convenient to perform a small distance displacement behavior, resulting in inaccurate positioning of the positioning device and the through hole on the nut plate.

[0006] Therefore, it is necessary to provide a nut plate positioning mechanism and a nut plate welding device to solve the above technical problems. Utility Model Content

[0007] In order to solve the above technical problems, the utility model provides a nut plate positioning mechanism and a nut plate welding device.

[0008] The present invention provides a nut plate positioning mechanism, comprising an equipment platform, an alignment structure is provided on the top of the equipment platform, a spacing adjustment structure is provided on the alignment structure, a feeding structure is provided on the spacing adjustment structure, and a positioning structure is provided at the top rear end of the equipment platform;

[0009] The alignment structure includes an alignment slot provided on the top of the equipment table, a screw rod is rotatably mounted inside the alignment slot, one end of the screw rod extends through the alignment slot and is fixedly mounted with an alignment rotating handle, an alignment slider is sleeved on the outside of the screw rod, and an alignment rod is fixedly mounted on the top of the alignment slider;

[0010] The positioning structure includes a sleeve fixedly installed at the rear end of the top of the equipment table, a sliding rod is slidably inserted into the top of the sleeve, a spring is sleeved on the outside of the sliding rod, a mounting seat is fixedly installed on the top of the sliding rod, and a positioning block is installed on the top of the mounting seat through a thread.

[0011] In order to achieve the effect of adjusting the spacing and being suitable for welding nut plates of different widths, the utility model provides a nut plate positioning mechanism. Preferably, the spacing adjustment structure includes a spacing slide groove opened on the top of the alignment rod, and a double-headed screw rod is rotatably installed inside the spacing slide groove. Both ends of the double-headed screw rod are sleeved with spacing sliders, and the tops of the two spacing sliders are fixedly installed with spacing plates.

[0012] In order to achieve the effect of controlling the two spacing plates to move closer or farther away synchronously, the utility model provides a nut plate positioning mechanism. Preferably, the outer center of the double-headed screw is sleeved with a driven bevel gear, the front face of the driven bevel gear is engaged with a driving bevel gear, the front end of the driving bevel gear extends through the spacing slot through the transmission shaft, and is fixedly installed with a spacing rotating handle.

[0013] In order to achieve the effect of controlling and transporting the nut plate, the utility model provides a nut plate positioning mechanism. Preferably, the feeding structure includes two feeding chutes opened on the side where the two spacing plates are close to each other, and feeding sliders are slidably installed inside the two feeding chutes. The ends of the two feeding sliders close to each other are fixedly installed with support plates, and the top rear ends of the two support plates are provided with limiting blocks.

[0014] In order to achieve a stable support effect, the utility model provides a nut plate positioning mechanism. Preferably, a support leg is fixedly installed on the bottom end of the equipment table, and the bottom ends of the two support legs are fixedly installed with the same base plate.

[0015] Another aspect of the present invention provides a nut plate welding device, which includes the nut plate positioning mechanism described above and also includes a welding structure arranged at the rear end of the equipment table.

[0016] In order to achieve the welding effect, the utility model provides a nut plate welding device. Preferably, the welding structure includes a connecting frame arranged at the rear end of the equipment table, and a hydraulic cylinder is provided at the top front end of the connecting frame. The bottom end of the hydraulic cylinder extends through the connecting frame through an inserted hydraulic rod, and the bottom end of the hydraulic rod is evenly provided with a plurality of welding heads through an installed welding head mounting plate.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The nut plate positioning mechanism and nut plate welding device control the screw rod to rotate synchronously by rotating the handle in the forward and reverse directions to drive the alignment slider to slide back and forth along the alignment slide groove, so that the nut plate set between the two supporting plates on the alignment rod is displaced laterally, thereby solving the problem that the nut plate of the existing equipment is not convenient to be displaced a small distance after being placed on the positioning base plate, resulting in inaccurate positioning of the positioning device and the through hole on the nut plate.

[0019] The nut plate positioning mechanism and nut plate welding device transport the nut plate to the top of the positioning block, compress the sliding rod at the bottom end of the positioning block to slide downward inside the sleeve until the through hole on the nut plate moves to the top of the positioning block. The spring controls the sliding rod and the positioning block to slide upward along the inside of the sleeve, and is clamped inside the through hole, and the nut is sleeved on the top of the positioning block to achieve positioning, thereby avoiding the problem of impact damage to the positioning structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A structural schematic diagram of a preferred embodiment of a nut plate positioning mechanism and a nut plate welding device provided by the utility model;

[0021] Figure 2 for Figure 1 Schematic diagram of welding structure shown;

[0022] Figure 3 for Figure 1 A schematic diagram of the structure of the top of the equipment plate is shown;

[0023] Figure 4 for Figure 3 A structural schematic diagram shown;

[0024] Figure 5 for Figure 1 Schematic diagram of positioning structure shown;

[0025] Figure 6 for Figure 1 Schematic diagram of the feeding structure is shown.

[0026] Numbers in the figure: 1. Equipment table; 2. Alignment structure; 201. Alignment slide; 202. Screw; 203. Alignment rotating handle; 204. Alignment slider; 205. Alignment rod; 3. Spacing adjustment structure; 301. Spacing slide; 302. Double-headed screw; 303. Driven bevel gear; 304. Driving bevel gear; 305. Spacing rotating handle; 306. Spacing slider; 307. Spacing plate; 4. Feeding structure; 401. Feeding slide; 402. Feeding slider; 403. Support plate; 404. Limit block; 5. Positioning structure; 501. Sleeve; 502. Slide; 503. Spring; 504. Mounting seat; 505. Positioning block; 6. Support leg; 7. Bottom plate; 8. Welding structure; 801. Connecting frame; 802. Hydraulic cylinder; 803. Hydraulic rod; 804. Welding head. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a nut plate positioning mechanism and a nut plate welding device provided by the utility model; Figure 2 for Figure 1 Schematic diagram of welding structure shown; Figure 3 for Figure 1 A schematic diagram of the structure of the top of the equipment plate is shown; Figure 4 for Figure 3 A structural schematic diagram shown; Figure 5 for Figure 1 Schematic diagram of positioning structure shown;

[0029] Figure 6 for Figure 1 The schematic diagram of the feeding structure shown includes an equipment platen 1, an alignment structure 2 is provided on the top of the equipment platen 1, a spacing adjustment structure 3 is provided on the alignment structure 2, a feeding structure 4 is provided on the spacing adjustment structure 3, and a positioning structure 5 is provided on the top rear end of the equipment platen 1;

[0030] The alignment structure 2 includes an alignment slot 201 formed on the top of the equipment plate 1. A screw rod 202 is rotatably mounted inside the alignment slot 201. One end of the screw rod 202 extends through the alignment slot 201 and is fixedly mounted with an alignment rotating handle 203. An alignment slider 204 is sleeved on the outside of the screw rod 202. An alignment rod 205 is fixedly mounted on the top of the alignment slider 204.

[0031] The positioning structure 5 includes a sleeve 501 fixedly installed on the top rear end of the equipment table 1, a slide rod 502 is slidably inserted into the top of the sleeve 501, a spring 503 is sleeved on the outside of the slide rod 502, a mounting seat 504 is fixedly installed on the top of the slide rod 502, and a positioning block 505 is installed on the top of the mounting seat 504 through a thread.

[0032] In the specific implementation process, refer to Figure 1 and Figure 4 As shown, the spacing adjustment structure 3 includes a spacing groove 301 opened at the top of the alignment rod 205, and a double-headed screw rod 302 is rotatably installed inside the spacing groove 301. Both ends of the double-headed screw rod 302 are sleeved with spacing sliders 306, and the tops of the two spacing sliders 306 are fixedly installed with spacing plates 307.

[0033] In the specific implementation process, refer to Figure 3 and Figure 4 As shown, the outer center of the double-headed screw 302 is sleeved with a driven bevel gear 303, the front of the driven bevel gear 303 is meshed with a driving bevel gear 304, the front end of the driving bevel gear 304 extends through the spacing slot 301 through the transmission shaft, and is fixedly installed with a spacing rotating handle 305.

[0034] It should be noted that the double-ended screw rod 302 is a rod with a right-hand thread and a left-hand thread respectively formed at both ends.

[0035] Manually rotate the spacing rotation handle 305 to control the active bevel gear 304 to rotate synchronously, and then the driven bevel gear 303 of the active bevel gear 304 is engaged and transmitted, and the rotational motion is transmitted to the driven bevel gear 303. Because the driven bevel gear 303 is coaxially connected with the double-headed screw rod 302, the driven bevel gear 303 and the double-headed screw rod 302 rotate synchronously. The double-headed screw rod 302 is a rod with right-handed and left-handed threads at both ends respectively, so the two spacing sliders 306 can be controlled to move closer or farther away synchronously. The spacing plate 307 fixed on the top of the two spacing sliders 306 will follow the synchronous displacement to adjust the spacing, which is suitable for the placement and clamping of nut plates of different widths.

[0036] In the specific implementation process, refer to Figure 1 and Figure 6 As shown, the feeding structure 4 includes two feeding chutes 401 opened on the side close to each other of the two spacing plates 307, and the two feeding chutes 401 are slidably installed with feeding sliders 402 inside. The ends of the two feeding sliders 402 close to each other are fixedly installed with supporting plates 403, and the top rear ends of the two supporting plates 403 are provided with limiting blocks 404.

[0037] It should be noted that the two supporting plates 403 are both L-shaped plates.

[0038] The nut plate is placed between the tops of the two support plates 403 to perform clamping and supporting operations, and two limit blocks 404 are used to limit the longitudinal displacement of the nut plate. The nut plate is manually pushed so that the loading sliders 402 on the two support plates 403 slide longitudinally along the loading chute 401 inside the corresponding spacing plate 307 until the through hole inside the nut plate is clamped on the top side of the positioning block 505 to achieve positioning.

[0039] In the specific implementation process, refer to Figure 1 As shown, a supporting leg 6 is fixedly installed at the bottom end of the equipment table 1, and the bottom ends of the two supporting legs 6 are fixedly installed with the same bottom plate 7.

[0040] The two supporting legs 6 support the equipment platform 1 in a balanced manner to ensure that the equipment platform 1 is evenly stressed, while the bottom plate 7 increases the stress-bearing area at the bottom to avoid the problem of equipment deviation during use.

[0041] A nut plate positioning mechanism also includes a welding structure 8 arranged at the rear end of the equipment table 1.

[0042] In the specific implementation process, refer to Figure 1 and Figure 2 As shown, the welding structure 8 includes a connecting frame 801 arranged at the rear end of the equipment table 1, and a hydraulic cylinder 802 is provided at the top front end of the connecting frame 801. The bottom end of the hydraulic cylinder 802 extends through the connecting frame 801 through an inserted hydraulic rod 803, and the bottom end of the hydraulic rod 803 is evenly provided with a plurality of welding heads 804 through an installed welding head mounting plate.

[0043] The connecting frame 801 stably supports the hydraulic cylinder 802 to ensure that the hydraulic cylinder 802 can output power stably. The hydraulic cylinder 802 controls the hydraulic rod 803 plugged in the bottom to perform telescopic behavior, and controls several welding heads 804 evenly installed at the bottom to move down synchronously to the side of the nut to weld the nut to the top of the nut plate.

[0044] The working principles of a nut plate positioning mechanism and a nut plate welding device provided by the utility model are as follows:

[0045] When in use, the rotating spacing rotating handle 305 controls the active bevel gear 304 and the driven bevel gear 303 to mesh and transmit, and the driven bevel gear 303 rotates with the double-headed screw rod 302, and the double-headed screw rod 302 uses the left-handed thread and the right-handed thread at both ends to control the two spacing sliders 306 to move closer to or away from each other until the two supporting plates 403 clamp the nut plates and push the nut plates backward so that the two limit blocks 404 limit their lateral displacement. Then, on the one hand, the nut plates are pushed so that the loading sliders 402 on the two supporting plates 403 slide longitudinally along the corresponding loading chute 401, and on the other hand, the rotating alignment rotating handle 203 controls the screw rod 202 to rotate, driving the alignment slider 204 to move the alignment rod 205 forward. The nut plate is then pushed down and the nut is moved to the nut plate, whereupon the nut plate is pushed down and the nut plate is pushed ...

[0046] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A nut plate positioning mechanism, comprising an equipment plate (1), characterized in that: An alignment structure (2) is provided on the top of the equipment platform (1), a spacing adjustment structure (3) is provided on the alignment structure (2), a feeding structure (4) is provided on the spacing adjustment structure (3), and a positioning structure (5) is provided at the top rear end of the equipment platform (1); The alignment structure (2) comprises an alignment slot (201) provided on the top of the equipment platen (1); a screw rod (202) is rotatably mounted inside the alignment slot (201); one end of the screw rod (202) extends through the alignment slot (201) and is fixedly mounted with an alignment rotating handle (203); an alignment slider (204) is sleeved on the outside of the screw rod (202); an alignment rod (205) is fixedly mounted on the top of the alignment slider (204); The positioning structure (5) includes a sleeve (501) fixedly mounted on the top rear end of the equipment table (1); a slide rod (502) is slidably inserted into the top of the sleeve (501); a spring (503) is sleeved on the outside of the slide rod (502); a mounting seat (504) is fixedly mounted on the top of the slide rod (502); and a positioning block (505) is threadedly mounted on the top of the mounting seat (504).

2. A nut plate positioning mechanism according to claim 1, characterized in that: The spacing adjustment structure (3) includes a spacing slot (301) opened at the top of the alignment rod (205), a double-headed screw (302) is rotatably installed inside the spacing slot (301), both ends of the double-headed screw (302) are sleeved with spacing sliders (306), and the tops of the two spacing sliders (306) are fixedly installed with spacing plates (307).

3. A nut plate positioning mechanism according to claim 2, characterized in that: The outer center of the double-headed screw rod (302) is sleeved with a driven bevel gear (303), the front face of the driven bevel gear (303) is meshed with a driving bevel gear (304), the front end of the driving bevel gear (304) extends through the spacing slot (301) through a transmission shaft, and is fixedly mounted with a spacing rotating handle (305).

4. A nut plate positioning mechanism according to claim 1, characterized in that: The feeding structure (4) comprises two feeding chutes (401) opened on the side close to each other of the two spacing plates (307), a feeding slider (402) is slidably installed inside the two feeding chutes (401), a supporting plate (403) is fixedly installed on the end close to each other of the two feeding sliders (402), and a limiting block (404) is provided at the top rear end of the two supporting plates (403).

5. The nut plate positioning mechanism according to claim 1, characterized in that: A supporting leg (6) is fixedly mounted on the bottom end of the equipment platform (1), and a same bottom plate (7) is fixedly mounted on the bottom ends of the two supporting legs (6).

6. A nut plate welding device, comprising a nut plate positioning mechanism according to any one of claims 1 to 5, characterized in that: It also includes a welding structure (8) arranged at the rear end of the equipment platform (1).

7. A nut plate welding device according to claim 6, characterized in that: The welding structure (8) includes a connecting frame (801) arranged at the rear end of the equipment table (1), a hydraulic cylinder (802) is provided at the top front end of the connecting frame (801), the bottom end of the hydraulic cylinder (802) extends through the connecting frame (801) through a plug-in hydraulic rod (803), and the bottom end of the hydraulic rod (803) is evenly provided with a plurality of welding heads (804) through an installed welding head mounting plate.

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