Automatic welding equipment for automobile bottom plate

Abstract

The utility model provides automatic welding equipment for an automobile bottom plate, which belongs to the technical field of welding equipment.The automatic welding equipment for the automobile bottom plate comprises a bottom plate, a first clamping sliding plate is arranged on the upper side of the bottom plate, and two first side plates are fixedly connected to the ends, close to each other, of the bottom plate and the first clamping sliding plate; the second clamping sliding plate is arranged on the upper side of the first clamping sliding plate, and a plurality of supporting rods are fixedly connected to the ends, close to each other, of the second clamping sliding plate and the first clamping sliding plate; the second sliding plate is slidably connected into the second clamping sliding plate, and a welding mechanism is arranged on the lower side of the second sliding plate; the first sliding plate is connected into the first clamping sliding plate in a sliding mode, a plurality of clamping assemblies are arranged in the first sliding plate so as to fix a product, and after all parts on the automobile bottom plate are welded, the welding process operation of the automobile bottom plate is completed; by means of the device, welding of the automobile bottom plate is automatically controlled, manpower is effectively saved, and the welding efficiency of the automobile bottom plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to welding equipment technical field, specifically relates to a kind of automatic welding equipment for automobile floor. BACKGROUND

[0002] Important welding parts in car floor parts have auxiliary frame and rear axle, the material of auxiliary frame has steel, aluminum, stainless steel, is formed after stamping from sheet metal and is welded or main body adopts pipe fitting after internal high pressure forming, and welds the rest stamping piece, and it is shown as the auxiliary frame of certain model car. Rear axle is used to fix two rear wheels and bear the load transmitted by vehicle body and ground, and is mainly welded by stamping piece or welded by pipe fitting.

[0003] In prior art, when welding the parts of automobile floor, the automobile floor is usually fixed in welding equipment, and the operator controls welding machine to weld the parts of floor, and needs to manually move the automobile floor after each welding and carry out next welding procedure, and manual movement of automobile floor consumes manpower, and using machinery to replace manpower can effectively improve production efficiency. UTILITARY MODEL CONTENTS

[0004] The utility model aims at providing a kind of automatic welding equipment for automobile floor, to solve the problem of manual movement of automobile floor after each welding and next welding procedure in prior art, and manual movement of automobile floor consumes manpower.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of automatic welding equipment for automobile floor, comprising:

[0007] Floor, the upper side of the floor is equipped with first clamping slide plate, the floor and the first clamping slide plate are fixedly connected with two first side plates at the end close to each other;

[0008] Second clamping slide plate, the second clamping slide plate is equipped on the upper side of first clamping slide plate, and the second clamping slide plate and first clamping slide plate are fixedly connected with multiple support rods at the end close to each other;

[0009] Second sliding plate, the second sliding plate is slidably connected in second clamping slide plate, and the lower side of the second sliding plate is equipped with welding mechanism;

[0010] First sliding plate, the first sliding plate is slidably connected in first clamping slide plate, and the first sliding plate is equipped with multiple sets of clamping assemblies to realize the fixation of product;And

[0011] The first sliding assembly comprises a first motor, a first screw rod and a first threaded block, the first screw rod is rotationally connected to the proximal ends of the two first side plates, the first motor is fixedly connected to the side end of one of the first side plates, and the elongated end of the first motor is movably penetrated through the first side plate and fixedly connected with the first screw rod, and the first threaded block is fixedly connected to the bottom end of the first sliding plate and threadedly connected with the first screw rod.

[0012] As a preferred scheme of the utility model, each group of the clamping assembly comprises a clamping plate, a clamping hole, a limiting plate, a first air cylinder and two limiting rods, the clamping hole is arranged in the first sliding plate, the clamping plate and the limiting plate are fixedly connected to the inner wall of the clamping hole, the clamping plate is located on the upper side of the first threaded block, the two limiting rods are fixedly connected to the inside of the clamping plate, and the two limiting rods are movably connected to the limiting plate, the first air cylinder is fixedly connected to the bottom end of the first sliding plate, and the elongated end of the first air cylinder is movably penetrated through the upper end of the limiting plate and fixedly connected with the lower end of the clamping plate.

[0013] As a preferred scheme of the utility model, the upper side of the second clamping sliding plate is provided with a top plate, the top plate and the proximal end of the second clamping sliding plate are fixedly connected with two second side plates, and the second clamping sliding plate and the top plate are provided with a second sliding assembly.

[0014] As a preferred scheme of the utility model, the second sliding assembly comprises a second motor, a second threaded block and a second screw rod, the second screw rod is rotationally connected to the proximal ends of the two second side plates, the second motor is fixedly connected to the side end of one of the second side plates, and the output end of the second motor is movably penetrated through the second side plate and fixedly connected with the second screw rod, the second threaded block is fixedly connected to the upper end of the first threaded block, and the second threaded block is threadedly connected with the second screw rod.

[0015] As a preferred scheme of the utility model, the welding mechanism comprises a first rotating part, a second rotating part, a third rotating part and a welding part.

[0016] As a preferred scheme of the utility model, the first rotating part comprises a mounting plate, a first rotating motor, a first sleeve and a first rotating rod, the mounting plate is fixedly connected to the bottom end of the second sliding plate, the first sleeve is fixedly connected to the lower end of the mounting plate, the first rotating rod is rotationally connected to the inner wall of the first sleeve, the first rotating connection is fixedly connected to the first sleeve, and the output end of the first rotating motor is fixedly connected with the first rotating rod.

[0017] As a preferred scheme of the utility model, the second rotating part includes a second sleeve, a second rotating shaft and a second rotating motor, the second sleeve is fixedly connected to the bottom end of the first rotating shaft, the second rotating shaft is rotatably connected to the circumferential inner wall of the second sleeve, the second rotating motor is fixedly connected in the second sleeve, and the output end of the second rotating motor is fixedly connected with the second rotating shaft.

[0018] As a preferred scheme of the utility model, the third rotating part includes a third sleeve, a connecting seat and a third rotating motor, the third sleeve is fixedly connected to the surface of the second rotating shaft, the connecting seat is rotatably connected to the side end of the third sleeve, the third rotating motor is fixedly connected in the third sleeve, and the output end of the third rotating motor is fixedly connected to the side end of the connecting seat.

[0019] As a preferred scheme of the utility model, the welding part includes a second cylinder, a welding device, a welding head and two fixed side plates, the two fixed side plates are fixedly connected to the two side ends of the fixed side plate respectively, the welding device is rotatably connected to the proximal end of the two fixed side plates through a rotating shaft, the second cylinder is rotatably connected to the lower part of the connecting seat through a rotating shaft, and the elongated end of the second cylinder is rotatably connected with the welding device through a rotating shaft, and the welding head is fixedly connected to the side end of the welding device.

[0020] As a preferred scheme of the utility model, the two side ends of the first clamping sliding plate and the second clamping sliding plate are fixedly connected with the frame and the protective plate through a plurality of first fixing columns and second fixing columns respectively.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] 1、The automobile bottom plate welding process operation is completed after all parts on the automobile bottom plate are welded, the automobile bottom plate welding is automatically controlled through the use of the device, manpower is effectively saved, and the automobile bottom plate welding efficiency is improved.

[0023] 2、The first rotating part of the welding mechanism drives the second rotating part to rotate, the second rotating part drives the third rotating part to rotate, and the third rotating part drives the welding part to rotate, so that multidirectional adjustment is realized.

[0024] 3、The frame is fixedly connected with glass, the internal operation state of the device is observed by the operator through the glass, and the welding state of the automobile bottom plate is understood. BRIEF DESCRIPTION OF DRAWINGS

[0025] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0026] Figure 1 It is the first perspective view of the utility model;

[0027] Figure 2 It is the second perspective view of the utility model;

[0028] Figure 3 It is the third perspective view of the utility model;

[0029] Figure 4 It is the perspective view of the welding mechanism in the utility model;

[0030] Figure 5 It is the first sectional view of the utility model;

[0031] Figure 6 It is the second sectional view of the utility model;

[0032] Figure 7 It is the utility model Figure 6 The local enlarged view of A in the utility model.

[0033] In the drawing: 1, bottom plate; 101, first motor; 102, first screw rod; 103, first threaded block; 2, first side plate; 3, first clamping sliding plate; 4, first sliding plate; 401, clamping plate; 402, clamping hole; 403, limiting plate; 404, limiting rod; 405, first air cylinder; 5, supporting rod; 6, second clamping sliding plate; 7, second side plate; 8, top plate; 801, second motor; 802, second threaded block; 803, second screw rod; 9, first fixed column; 10, frame; 11, protection plate; 12, second fixed column; 13, second sliding plate; 1301, mounting plate; 1302, first sleeve; 1303, first rotating rod; 1304, second sleeve; 1305, second rotating rod; 1306, third sleeve; 1307, connecting seat; 1308, fixed side plate; 1309, second air cylinder; 1310, welder; 1311, welding head. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0035] Please refer to Figures 1-7 The utility model provides the following technical solutions:

[0036] An automatic welding equipment for automobile bottom plate comprises:

[0037] The bottom plate 1 is provided with a first clamping sliding plate 3 on the upper side thereof, and two first side plates 2 are fixedly connected to the proximal ends of the bottom plate 1 and the first clamping sliding plate 3;

[0038] The second clamping sliding plate 6 is arranged on the upper side of the first clamping sliding plate 3, and a plurality of supporting rods 5 are fixedly connected to the proximal ends of the second clamping sliding plate 6 and the first clamping sliding plate 3;

[0039] The second sliding plate 13 is slidingly connected in the second clamping sliding plate 6, and a welding mechanism is arranged on the lower side of the second sliding plate 13;

[0040] The first sliding plate 4 is slidingly connected in the first clamping sliding plate 3, and a plurality of clamping assemblies are arranged in the first sliding plate 4 to fix the product; and

[0041] The first sliding assembly comprises a first motor 101, a first screw rod 102 and a first threaded block 103, the first screw rod 102 is rotatably connected to the proximal ends of the two first side plates 2, the first motor 101 is fixedly connected to the side end of one of the first side plates 2, the elongated end of the first motor 101 is movably penetrated through the first side plate 2 and fixedly connected with the first screw rod 102, and the first threaded block 103 is fixedly connected to the bottom end of the first sliding plate 4 and threadedly connected with the first screw rod 102.

[0042] In the specific embodiment of the utility model, the first side plate 2 is fixedly connected to the upper end of the left and right sides of the bottom plate 1, the upper end of the two first side plates 2 is fixed with the first clamping sliding plate 3, the space between the bottom plate 1 and the first clamping sliding plate 3 is used for setting the first sliding assembly, the first sliding plate 4 slides in the first clamping sliding plate 3, the first sliding plate 4 is connected with the first sliding assembly and moves through the first sliding assembly, and the plurality of clamping assemblies arranged in the first sliding plate 4 are used for fixing the automobile bottom plate, the automobile bottom plate is quickly fixed through the clamping assembly, the installation efficiency of the automobile bottom plate is improved, and the stability of the connection between the automobile bottom plate and the first sliding plate 4 is improved, the first motor 101 in the first sliding assembly drives the first screw rod 102 at the output end to rotate when running, the first screw rod 102 is threadedly connected with the first threaded block 103, the first sliding plate 4 fixed with the first threaded block 103 is moved through the rotation of the first screw rod 102, after the automobile bottom plate is fixed through the clamping assembly and the first sliding plate 4, the welding mechanism welds the automobile bottom plate, the automobile bottom plate needs to be moved after the welding of one welding position is completed, the operation of the first sliding assembly is controlled to drive the automobile bottom plate to move, the welding process operation of the next welding position is carried out, the automobile bottom plate is automatically controlled to weld through the device, manpower is effectively saved, and the welding efficiency of the automobile bottom plate is improved.

[0043] Specifically, please refer to Figures 6-7 Each set of clamping assembly includes a clamping plate 401, a clamping hole 402, a limiting plate 403, a first air cylinder 405 and two limiting rods 404, the clamping hole 402 is opened in the first sliding plate 4, the clamping plate 401 and the limiting plate 403 are fixedly connected to the inner wall of the clamping hole 402, and the clamping plate 401 is located on the upper side of the first threaded block 103, the two limiting rods 404 are fixedly connected to the inner of the clamping plate 401, and the two limiting rods 404 are slidingly connected to the inner of the limiting plate 403, the first air cylinder 405 is fixedly connected to the bottom end of the first sliding plate 4, and the elongated end of the first air cylinder 405 is movably penetrated through the upper end of the limiting plate 403 and fixedly connected to the lower end of the clamping plate 401.

[0044] In this embodiment: the inner wall of the clamping hole 402 in the clamping assembly is fixedly connected with the clamping plate 401 and the limiting plate 403, the clamping plate 401 is fixed between the two limiting rods 404, the limiting rod 404 is slidingly connected between the limiting plate 403, the clamping plate 401 is used for clamping between the automobile floor, the first air cylinder 405 is fixed at the lower end of the first sliding plate 4, the elongated end of the first air cylinder 405 drives the clamping plate 401 to slide up and down by running, the automobile floor is placed between the clamping plate 401 and the first sliding plate 4 after the clamping plate 401 moves up a distance, the elongated end of the first air cylinder 405 drives the clamping plate 401 to move down, and the automobile floor is fixed by the downward pressure of the clamping plate 401, the clamping assembly is provided with four sets, which are symmetrically arranged in the first sliding plate 4.

[0045] Specifically, the upper side of the second clamping sliding plate 6 is provided with a top plate 8, the two second side plates 7 are fixedly connected to the proximal end of the top plate 8 and the second clamping sliding plate 6, and the second sliding assembly is arranged between the second clamping sliding plate 6 and the top plate 8.

[0046] In this embodiment: the left and right parts of the proximal end of the top plate 8 and the second clamping sliding plate 6 are fixedly connected with the second side plate 7, the space between the second clamping sliding plate 6 and the top plate 8 is used for arranging the second sliding assembly, the second sliding plate 13 is slidingly connected between the second clamping sliding plate 6 and the top plate 8, the movement of the second sliding plate 13 is controlled through the connection of the second sliding assembly and the second sliding plate 13, and the welding mechanism on the lower side of the second sliding plate 13 is driven to move when the second sliding plate 13 moves.

[0047] Specifically, the second sliding assembly includes a second motor 801, a second threaded block 802 and a second screw rod 803, the second screw rod 803 is rotatably connected to the proximal end of the two second side plates 7, the second motor 801 is fixedly connected to the side end of one of the second side plates 7, and the output end of the second motor 801 is movably penetrated through the second side plate 7 and fixedly connected with the second screw rod 803, the second threaded block 802 is fixedly connected to the upper end of the first threaded block 103, and the second threaded block 802 is threadedly connected with the second screw rod 803.

[0048] In the embodiment, the second motor 801 in the second sliding assembly drives the second screw rod 803 to rotate when in operation, the second screw rod 803 is in threaded connection with the second threaded block 802, the second threaded block 802 is driven to move by the second screw rod 803, and the welding mechanism is driven to move by the second sliding plate 13, so that the welding mechanism is adjusted.

[0049] For details, please refer to Figure 4 The welding mechanism comprises a first rotating part, a second rotating part, a third rotating part and a welding part.

[0050] In the embodiment, the first rotating part drives the second rotating part to rotate, the second rotating part drives the third rotating part to rotate, and the third rotating part drives the welding part to rotate, so that the welding mechanism is adjusted in multiple directions.

[0051] For details, please refer to Figure 4 The first rotating part comprises a mounting plate 1301, a first rotating motor, a first sleeve 1302 and a first rotating rod 1303, the mounting plate 1301 is fixedly connected to the bottom end of the second sliding plate 13, the first sleeve 1302 is fixedly connected to the lower end of the mounting plate 1301, the first rotating rod 1303 is rotatably connected to the inner wall of the first sleeve 1302, the first rotating motor is fixedly connected in the first sleeve 1302, and the output end of the first rotating motor is fixedly connected to the first rotating rod 1303.

[0052] In the embodiment, the mounting plate 1301 in the first rotating part is fixed to the lower end of the second sliding plate 13 by bolts, the first rotating rod 1303 is rotatably connected to the first sleeve 1302, the first rotating rod 1303 is driven to rotate by the first rotating motor in the first sleeve 1302, the first rotating rod 1303 is connected to the second rotating part, and the second rotating part is driven to rotate by the first rotating rod 1303.

[0053] For details, please refer to Figure 4 The second rotating part comprises a second sleeve 1304, a second rotating rod 1305 and a second rotating motor, the second sleeve 1304 is fixedly connected to the bottom end of the first rotating rod 1303, the second rotating rod 1305 is rotatably connected to the circumferential inner wall of the second sleeve 1304, the second rotating motor is fixedly connected in the second sleeve 1304, and the output end of the second rotating motor is fixedly connected to the second rotating rod 1305.

[0054] In the embodiment, the second rotating motor in the second sleeve 1304 of the second rotating part drives the second rotating rod 1305 to rotate, the second rotating rod 1305 is rotatably connected to the second sleeve 1304, the third rotating part is fixed to the surface of the second rotating rod 1305, and the third rotating part is driven to rotate by the operation of the second rotating part.

[0055] Specifically, please refer to Figure 1 The third rotating component comprises a third sleeve 1306, a connecting seat 1307 and a third rotating motor. The third sleeve 1306 is fixedly connected to the surface of the second rotating rod 1305. The connecting seat 1307 is rotatably connected to the side end of the third sleeve 1306. The third rotating motor is fixedly connected in the third sleeve 1306, and the output end of the third rotating motor is fixedly connected to the side end of the connecting seat 1307.

[0056] In this embodiment, the third sleeve 1306 in the third rotating component is used for fixing the third rotating motor, and the side end thereof is rotatably connected to the connecting seat 1307. The connecting seat 1307 drives the welding component to rotate through the third rotating motor. The connecting seat 1307 is connected with the welding component, and the welding component is driven to rotate through the third rotating component.

[0057] Specifically, please refer to Figure 4 The welding component comprises a second air cylinder 1309, a welding device 1310, a welding head 1311 and two fixed side plates 1308. The two fixed side plates 1308 are respectively fixedly connected to the two side ends of the fixed side plate 1308. The welding device 1310 is rotatably connected to the two fixed side plates 1308 through a rotating shaft. The second air cylinder 1309 is rotatably connected to the lower part of the connecting seat 1307 through a rotating shaft, and the elongated end of the second air cylinder 1309 is rotatably connected to the welding device 1310 through a rotating shaft. The welding head 1311 is fixedly connected to the side end of the welding device 1310.

[0058] In this embodiment, the fixed side plate 1308 in the welding component is connected with the connecting seat 1307 through the rotating connection between the welding device 1310 and the fixed side plate 1308. The welding device 1310 is driven to rotate through the second air cylinder 1309. One end of the second air cylinder 1309 is rotatably connected to the connecting seat 1307. The output end of the second air cylinder 1309 is rotatably connected to the welding device 1310. The welding device 1310 is driven to rotate through the operation of the second air cylinder 1309. The welding head 1311 fixed to the side end of the welding device 1310 performs welding process operation on the automobile bottom plate. The motor, the air cylinder, the welding device 1310 and the welding head 1311 in the device are all prior art, and will not be described in detail here.

[0059] Specifically, please refer to Figures 1-3 The two side ends of the first clamping sliding plate 3 and the second clamping sliding plate 6 are fixedly connected with the frame 10 and the protective plate 11 through a plurality of first fixing columns 9 and second fixing columns 12.

[0060] In this embodiment, the frame 10 is fixedly connected with glass. The glass is convenient for the operator to observe the internal running state of the device and understand the welding state of the automobile bottom plate.

[0061] The working principle and use process of the utility model are as follows: when the device is used, first, the automobile bottom plate is fixed on the upper end of the first sliding plate 4 through the clamping assembly, then the operation of the first sliding assembly is controlled after being fixed, the first motor 101 in the first sliding assembly is rotated to drive the first screw rod 102 at the output end to rotate, the first screw rod 102 is rotated to drive the first threaded block 103 to move, the first threaded block 103 drives the first sliding plate 4 to move to the lower side of the welding mechanism; then the operation of the second sliding assembly is controlled to drive the welding mechanism to move, after the welding mechanism moves, the operation of the first rotating part, the second rotating part, the third rotating part and the welding part in the welding mechanism is controlled respectively, the position of the welding head 1311 in the welding part and the part to be welded on the automobile bottom plate is adjusted; after the position is adjusted, the welding head 1311 is controlled to contact the welding part on the automobile bottom plate, the welding part on the automobile bottom plate is welded; after the part is welded, the next part needs to be welded; the welding mechanism is controlled to rotate, the welding head 1311 in the welding part is lifted, then the operation of the first sliding assembly is controlled to move the automobile bottom plate to the next position to be welded; after the movement is completed, the welding mechanism is controlled to weld the automobile bottom plate; after all the parts on the automobile bottom plate are welded, the welding process operation of the automobile bottom plate is completed; through the use of the device, the automobile bottom plate is automatically controlled to be welded, the manpower is effectively saved, and the welding efficiency of the automobile bottom plate is improved.

[0062] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. An automated welding apparatus for automotive floor panels, characterized by, The utility model relates to a kind of product fixing device, including: Bottom plate (1), the upper side of the bottom plate (1) is equipped with first clamping sliding plate (3), and the approaching end of the bottom plate (1) and first clamping sliding plate (3) is fixedly connected with two first side plates (2); Second clamping sliding plate (6), the upper side of the second clamping sliding plate (6) is equipped in first clamping sliding plate (3), and the approaching end of the second clamping sliding plate (6) and first clamping sliding plate (3) is fixedly connected with multiple support rods (5); Second sliding plate (13), the second sliding plate (13) is slidably connected in second clamping sliding plate (6), and the lower side of the second sliding plate (13) is equipped with welding mechanism; First sliding plate (4), the first sliding plate (4) is slidably connected in first clamping sliding plate (3), and the first sliding plate (4) is equipped with multiple sets of clamping components to realize the fixation of product;And First sliding assembly, the first sliding assembly includes first motor (101), first screw rod (102) and first threaded block (103), the approaching end of the first screw rod (102) is rotatably connected in two first side plates (2), the side end of one of first side plates (2) is fixedly connected with first motor (101), and the elongated end of first motor (101) is movably penetrated first side plate (2) and is fixedly connected with first screw rod (102), and the bottom end of first sliding plate (4) is fixedly connected with first threaded block (103), and first threaded block (103) is threadedly connected with first screw rod (102).

2. An automated welding apparatus for automobile floor panel according to claim 1, characterized in that: Each set of clamping components includes clamping plate (401), clamping hole (402), limiting plate (403), first cylinder (405) and two limiting rods (404), the clamping hole (402) is opened in first sliding plate (4), and the inner wall of clamping hole (402) is fixedly connected with clamping plate (401) and limiting plate (403), and clamping plate (401) is located on the upper side of first threaded block (103), and the inner of clamping plate (401) is fixedly connected with two limiting rods (404), and two limiting rods (404) are slidably connected in limiting plate (403), and the bottom end of first sliding plate (4) is fixedly connected with first cylinder (405), and the elongated end of first cylinder (405) is movably penetrated the upper end of limiting plate (403) and is fixedly connected with the lower end of clamping plate (401).

3. An automated welding apparatus for automobile floor panel according to claim 2, characterized in that: The upper side of the second clamping sliding plate (6) is equipped with top plate (8), and the approaching end of the top plate (8) and second clamping sliding plate (6) is fixedly connected with two second side plates (7), and second sliding assembly is equipped between the second clamping sliding plate (6) and top plate (8).

4. An automated welding apparatus for welding automobile floor panels as claimed in claim 3 wherein: The second sliding assembly comprises a second motor (801), a second threaded block (802) and a second screw rod (803), the second screw rod (803) is rotationally connected to the proximal ends of the two second side plates (7), the second motor (801) is fixedly connected to the side end of one of the second side plates (7), and the output end of the second motor (801) is movably penetrated through the second side plate (7) and fixedly connected with the second screw rod (803), and the second threaded block (802) is fixedly connected to the upper end of the first threaded block (103) and is in threaded connection with the second screw rod (803).

5. An automated welding apparatus for welding automobile floor panels as claimed in claim 4 wherein: The welding mechanism comprises a first rotating component, a second rotating component, a third rotating component and a welding component.

6. An automated welding apparatus for welding automobile floor panels as claimed in claim 5 wherein: The first rotating component comprises a mounting plate (1301), a first rotating motor, a first sleeve (1302) and a first rotating rod (1303), the mounting plate (1301) is fixedly connected to the bottom end of the second sliding plate (13), the first sleeve (1302) is fixedly connected to the lower end of the mounting plate (1301), the first rotating rod (1303) is rotationally connected to the inner wall of the first sleeve (1302), and the first rotating motor is fixedly connected to the first sleeve (1302), and the output end of the first rotating motor is fixedly connected with the first rotating rod (1303).

7. An automated welding apparatus for welding automotive floor panels as claimed in claim 6 wherein: The second rotating component comprises a second sleeve (1304), a second rotating rod (1305) and a second rotating motor, the second sleeve (1304) is fixedly connected to the bottom end of the first rotating rod (1303), the second rotating rod (1305) is rotationally connected to the circumferential inner wall of the second sleeve (1304), and the second rotating motor is fixedly connected to the second sleeve (1304), and the output end of the second rotating motor is fixedly connected with the second rotating rod (1305).

8. An automated welding apparatus for welding automotive floor panels as claimed in claim 7 wherein: The third rotating component comprises a third sleeve (1306), a connecting seat (1307) and a third rotating motor, the third sleeve (1306) is fixedly connected to the surface of the second rotating rod (1305), the connecting seat (1307) is rotationally connected to the side end of the third sleeve (1306), the third rotating motor is fixedly connected to the third sleeve (1306), and the output end of the third rotating motor is fixedly connected to the side end of the connecting seat (1307).

9. An automated welding apparatus for welding automotive floor panels as defined in claim 8 wherein: The welding component comprises a second air cylinder (1309), a welding device (1310), a welding head (1311) and two fixed side plates (1308), the two fixed side plates (1308) are respectively fixedly connected to the two side ends of the fixed side plate (1308), the welding device (1310) is rotationally connected to the proximal ends of the two fixed side plates (1308) through a rotating shaft, the second air cylinder (1309) is rotationally connected to the lower part of the connecting seat (1307) through a rotating shaft, the elongated end of the second air cylinder (1309) is rotationally connected with the welding device (1310) through a rotating shaft, and the welding head (1311) is fixedly connected to the side end of the welding device (1310).

10. The automated welding apparatus for automobile floor panel according to claim 9, wherein: The two side ends of the first clamping slide plate (3) and the second clamping slide plate (6) are respectively fixedly connected with a frame (10) and a protective plate (11) through a plurality of first fixing columns (9) and second fixing columns (12).

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