Gravity sliding mechanism used between welding stations of multi-vehicle-type welding production line

Abstract

The utility model provides a gravity sliding mechanism used between welding stations of a multi-vehicle-type welding production line, and relates to the technical field of automobile production. Two sets of sliding rails are installed at the upper end of the bottom plate through bolts, a first sliding block and a second sliding block are arranged on the two sets of sliding rails in a sliding mode respectively, toothed plates are fixed to the first sliding block and the second sliding block, a rotating rod is installed on the bottom plate through a bearing, and a rotating plate is fixed to the upper end of the rotating rod. Through the action of gravity, vehicle type parts are conveyed on the first carrier roller and the second carrier roller in a rolling mode, the structure is simple, no external driving part is needed for driving, the investment cost is low, the motor is operated to enable the output shaft of the gearbox to drive the input shaft of the gearbox to rotate through the chain, and at the moment, the worm drives the worm wheel to rotate. The movable rod can move left and right, the inclination of the second bracket can be adjusted according to the height difference between different welding stations, and the flexibility is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile production, in particular to a gravity sliding mechanism used between welding stations in a welding production line for multiple vehicle models. Background Art

[0002] With the rapid development of the national economy, the quality of life of the people is constantly improving, and the demand for products is developing in the direction of personalization, fashion, and high cost performance. Automobiles will inevitably develop in the direction of multiple varieties, small batches, and high production capacity, which requires automobile OEMs to change their existing production methods. The current situation of automobile OEMs building different production lines for different models can no longer meet this development direction. Therefore, the co-production of multiple models is the trend of future automobile equipment. The welding assembly station is the core station of the automobile welding production line. In order to realize the co-production of multiple models, the vehicle parts need to be welded through multiple stations during the automobile production process. In order to facilitate the station switching of vehicle parts, a gravity sliding mechanism is designed for welding stations in the multi-model welding production line.

[0003] In the prior art, the workstations of vehicle parts are switched by using a robot or a conveyor belt, which has a complex structure and high investment cost. In addition, there is a lack of safety protection structure, and parts may fall during the conveying process. Utility Model Content

[0004] In view of this, the utility model aims to propose a gravity sliding mechanism for use between welding stations in a multi-vehicle welding production line to solve the problems of complex structure, high investment cost, lack of safety protection structure, and parts falling during parts transportation in the vehicle part welding station switching device in the prior art.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] The utility model discloses a gravity sliding mechanism between welding stations of a welding production line for multiple vehicle models.

[0007] Furthermore, it includes: a base plate; four groups of moving wheels are installed on the lower end of the base plate by bolts, two groups of slide rails are installed on the upper end of the base plate by bolts, a slider No. 1 and a slider No. 2 are respectively slid on the two groups of slide rails, and a toothed plate is fixed on the slider No. 1 and the slider No. 2, and a rotating rod is installed on the base plate through a bearing, and a gear is fixed on the rotating rod, and the gears are respectively meshed with the toothed plates on the slider No. 1 and the slider No. 2, a rotating plate is fixed on the upper end of the rotating rod, and a cylinder seat is installed on the base plate by bolts, a hydraulic rod is installed on the cylinder seat, and the piston rod of the hydraulic rod is connected to the front end of the slider No. 1, and two groups of right-angle seats are installed on the base plate by bolts, and the two groups of right-angle seats are respectively located at the front and rear of the slider No. 2, and limiting bolts are threaded on the two groups of right-angle seats.

[0008] Furthermore, a fixing frame is fixed to the upper end of the rotating plate, a No. 1 bracket is fixed above the fixing frame, two groups of No. 1 side plates are installed on the upper end of the No. 1 bracket through bolts, a No. 1 roller is installed between the two groups of No. 1 side plates through bearings, and two groups of No. 2 side plates are installed on the right sides of the two groups of No. 1 side plates, and a No. 2 roller is installed between the two groups of No. 2 side plates through bearings.

[0009] Furthermore, the right ends of the two groups of No. 1 side plates are installed with No. 1 plate by bolts, and the left ends of the two groups of No. 2 side plates are installed with No. 2 plate by bolts. An intermediate roller is installed between the No. 2 plate and the No. 1 plate, and an arc-shaped through groove is arranged on the No. 2 plate. A screw is fixed on the No. 1 plate, and the screw is movably located in the arc-shaped through groove on the No. 2 plate, and a nut is threadedly screwed on the bolt.

[0010] Furthermore, the two groups of No. 1 side plates and the two groups of No. 2 side plates are both equipped with support rods installed by bolts, locking seats are installed on the support rods by bolts, connecting rods are installed on the locking seats, cross bars are installed on the connecting rods by bolts, mounting frames are fixed on the cross bars, and correction rollers are installed on the mounting frames.

[0011] Furthermore, the lower ends of the two groups of No. 2 side panels are installed with No. 2 brackets through bolts, and two groups of bottom rods are welded to the lower ends of the No. 2 brackets. Two groups of side rods are fixed to the right end of the fixing frame, and round rods are fixed on the two groups of side rods. A partition is installed between the two groups of round rods through bearings, and an intermediate rod is fixed between the two groups of bottom rods.

[0012] Furthermore, two groups of fixing seats are fixed on the partition, a bracket is installed between the two groups of fixing seats by bolts, a gearbox is installed on the bracket by bolts, an electric motor is installed on the gearbox by bolts, a sprocket is installed on the output shaft of the gearbox, and a gearbox is installed on both groups of fixing seats by bolts.

[0013] Furthermore, movable rods are installed inside the two groups of gear boxes, and threads are provided on the movable rods. A worm gear is screwed onto the threads on the movable rods, and the worm gear is located inside the gear box. A sprocket is installed on the input shaft of the gear box, and a chain is connected between the sprocket on the input shaft of the gear box and the sprocket on the output shaft of the gearbox, and a worm is installed on the input shaft of the gear box, and the worm is meshed with the worm gear. A connecting seat is fixed at the right end of the two groups of movable rods, and connecting plates are installed on the two groups of connecting seats by bolts, and the right end of the connecting plate is installed on the intermediate rod through a bearing, and two groups of guide rods are fixed on the connecting seat, and a cylinder is fixed on the fixed seat, and the guide rod slides in the cylinder.

[0014] Compared with the prior art, the gravity sliding mechanism used between welding stations in a multi-vehicle welding production line described in the utility model has the following beneficial effects:

[0015] (1) The gravity sliding mechanism uses gravity to make the vehicle body parts roll and transport on the No. 1 roller and the No. 2 roller. It has a simple structure, does not require external driving components, and has a low investment cost. In addition, two sets of fixed seats are fixed on the partition of the utility model. A bracket is installed between the two sets of fixed seats by bolts. A gearbox is installed on the bracket by bolts. An electric motor is installed on the gearbox by bolts. When in use, the motor is operated to make the output shaft of the gearbox drive the input shaft of the gearbox to rotate through the chain. At this time, the worm drives the worm wheel to rotate, so that the movable rod can move left and right, and the inclination of the No. 2 bracket can be adjusted. It can be adjusted according to the height difference between different welding stations, and has high flexibility.

[0016] (2) Support rods are installed on both sets of No. 1 side panels and both sets of No. 2 side panels by bolts, locking seats are installed on the support rods by bolts, connecting rods are installed on the locking seats, cross bars are installed on the connecting rods by bolts, mounting frames are fixed on the cross bars, and correction rollers are installed on the mounting frames. If the vehicle model parts are displaced during movement, the vehicle model parts will contact the correction rollers, which can prevent the parts from falling and keep the parts on the correct movement track. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0018] Figure 1 A schematic diagram showing the overall structure of the present application;

[0019] Figure 2 A schematic diagram of the structure above the bottom plate of the present application is shown;

[0020] Figure 3 This application shows Figure 1 A schematic diagram of the enlarged structure of part A;

[0021] Figure 4 This application shows Figure 1 A schematic diagram of the enlarged structure of part B;

[0022] Figure 5 A schematic diagram of the structure of the partition of the present application is shown;

[0023] Figure 6 This application shows Figure 5 Schematic diagram of the enlarged structure of part C.

[0024] Description of reference numerals:

[0025] 1-bottom plate; 11-moving wheel; 12-slider No. 1; 121-slider No. 2; 122-right angle seat; 123-limiting bolt; 124-cylinder seat; 125-hydraulic rod; 13-rotating rod; 14-rotating plate;

[0026] 2-fixed frame; 21-side rod; 211-round rod; 212-partition plate; 22-fixed seat; 221-gear box; 222-movable rod; 223-connecting seat; 224-guide rod; 23-bracket; 231-gearbox; 232-motor;

[0027] 3- No. 1 bracket; 31- No. 1 side plate; 311- No. 1 roller; 312- No. 1 plate; 313- middle roller; 32- support rod; 321- locking seat; 322- connecting rod; 323- cross bar; 324- mounting frame; 325- correction roller;

[0028] 4- No. 2 bracket; 41- No. 2 side plate; 411- No. 2 plate; 42- bottom rod; 421- middle rod; 422- connecting plate; 43- No. 2 roller. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0030] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0031] Example 1: Please refer to Figures 1 to 6 :

[0032] The utility model proposes a gravity sliding mechanism for welding stations in a multi-car welding production line, comprising: a bottom plate 1;

[0033] Four groups of moving wheels 11 are installed at the lower end of the base plate 1 by bolts, and two groups of slide rails are installed at the upper end of the base plate 1 by bolts. A slider 12 and a slider 121 are respectively slid on the two groups of slide rails, and toothed plates are fixed on the slider 12 and the slider 121. A rotating rod 13 is installed on the base plate 1 through a bearing, and a gear is fixed on the rotating rod 13. The gears are respectively meshed with the toothed plates on the slider 12 and the slider 121. A rotating plate 14 is fixed on the upper end of the rotating rod 13, and a cylinder seat 124 is installed on the base plate 1 by bolts, and a hydraulic rod 125 is installed on the cylinder seat 124. The piston rod of the hydraulic rod 125 is connected to the front end of the slider 12, and two groups of right-angle seats 122 are installed on the base plate 1 by bolts. The two groups of right-angle seats 122 are respectively located at the front and rear of the slider 121, and the two groups of right-angle seats 122 are threaded with limiting bolts 123.

[0034] Embodiment 2: Improvement made on the basis of embodiment 1.

[0035] A fixing frame 2 is fixed to the upper end of the rotating plate 14, and a No. 1 bracket 3 is fixed above the fixing frame 2. Two groups of No. 1 side plates 31 are installed on the upper end of the No. 1 bracket 3 by bolts, and a No. 1 roller 311 is installed between the two groups of No. 1 side plates 31 through bearings, and two groups of No. 2 side plates 41 are installed on the right side of the two groups of No. 1 side plates 31, and a No. 2 roller 43 is installed between the two groups of No. 2 side plates 41 through bearings, and a No. 1 plate 312 is installed on the right end of the two groups of No. 1 side plates 31 by bolts, and a No. 2 plate 411 is installed on the left end of the two groups of No. 2 side plates 41 by bolts, and an intermediate roller 313 is installed between the No. 2 plate 411 and the No. 1 plate 312, and an arc-shaped A screw is fixed on the No. 1 plate 312, and the screw is movably located in the arc-shaped through groove on the No. 2 plate 411. A nut is screwed on the bolt thread. The lower ends of the two groups of No. 2 side plates 41 are installed with No. 2 brackets 4 through bolts. Two groups of bottom rods 42 are welded to the lower ends of the No. 2 brackets 4. Two groups of side rods 21 are fixed to the right end of the fixed frame 2. Round rods 211 are fixed on the two groups of side rods 21. A partition 212 is installed between the two groups of round rods 211 through bearings. An intermediate rod 421 is fixed between the two groups of bottom rods 42. Two groups of fixed seats 22 are fixed on the partition 212. A bracket 23 is installed between the two groups of fixed seats 22 through bolts. A gearbox 231 is installed on the bracket 23 through bolts. A motor 232 is installed on the gearbox 231 by bolts, a sprocket is installed on the output shaft of the gearbox 231, and a gearbox 221 is installed on both sets of fixed seats 22 by bolts. A movable rod 222 is installed inside the two sets of gearboxes 221, and a thread is set on the movable rod 222. A worm gear is screwed on the thread of the movable rod 222, and the worm gear is located inside the gearbox 221. A sprocket is installed on the input shaft of the gearbox 221. A chain is connected between the sprocket on the input shaft of the gearbox 221 and the sprocket on the output shaft of the gearbox 231, and a worm is installed on the input shaft of the gearbox 221, and the worm is meshed with the worm gear. The right ends of the two sets of movable rods 222 are fixed with a connecting seat 223, connecting plates 422 are installed on the two groups of connecting seats 223 by bolts, the right end of the connecting plate 422 is installed on the middle rod 421 by a bearing, and two groups of guide rods 224 are fixed on the connecting seat 223, and a cylinder is fixed on the fixed seat 22, and the guide rod 224 slides in the cylinder. Its function is: loosen the nut on the screw on the No. 1 plate 312, run the motor 232 to make the output shaft of the gearbox 231 drive the input shaft of the gearbox 221 to rotate through the chain, and at this time the worm drives the worm wheel to rotate, so that the movable rod 222 can move left and right, and the inclination of the No. 2 bracket 4 can be adjusted, and it can be adjusted according to the height difference between different welding stations, with high flexibility.

[0036] Embodiment 3: Improvements made on the basis of Embodiment 1 and Embodiment 2.

[0037] Support rods 32 are installed on the two groups of No. 1 side panels 31 and the two groups of No. 2 side panels 41 by bolts, locking seats 321 are installed on the support rods 32 by bolts, connecting rods 322 are installed on the locking seats 321, cross bars 323 are installed on the connecting rods 322 by bolts, mounting frames 324 are fixed on the cross bars 323, and correction rollers 325 are installed on the mounting frames 324. The function of the correction rollers 325 is as follows: if the vehicle model parts are displaced during the movement, the vehicle model parts will contact the correction rollers 325, and the correction rollers 325 can prevent the parts from falling and keep the parts on the correct movement track.

[0038] Working principle of this embodiment: The utility model uses gravity to make the vehicle body parts roll and transport on the No. 1 roller 311 and the No. 2 roller 43, loosen the nut on the screw on the No. 1 plate 312, and run the motor 232 to make the output shaft of the gearbox 231 drive the input shaft of the gearbox 221 to rotate through the chain. At this time, the worm drives the worm wheel to rotate, so that the movable rod 222 can move left and right, and the inclination of the No. 2 bracket 4 can be adjusted. It can be adjusted according to the height difference between different welding stations. It has high flexibility. If the vehicle body parts are displaced during the movement, the vehicle body parts will contact the correction roller 325. The correction roller 325 can prevent the parts from falling and make the parts on the correct movement track. The telescopic hydraulic rod 125 can rotate the rotating plate 14 to adjust the direction of the No. 2 bracket 4.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gravity sliding mechanism between welding stations in a multi-model welding production line, comprising: The bottom plate (1) is characterized in that four groups of moving wheels (11) are installed at the lower end of the bottom plate (1) by bolts, and two groups of slide rails are installed at the upper end of the bottom plate (1) by bolts, and a first slide block (12) and a second slide block (121) are respectively slid on the two groups of slide rails, and tooth plates are fixed on the first slide block (12) and the second slide block (121), and a rotating rod (13) is installed on the bottom plate (1) through a bearing, and a gear is fixed on the rotating rod (13), and the gear is respectively connected with the first slide block (12) and the second slide block (121). The toothed plate is meshed with each other, a rotating plate (14) is fixed to the upper end of the rotating rod (13), and a cylinder seat (124) is installed on the bottom plate (1) by bolts, a hydraulic rod (125) is installed on the cylinder seat (124), a piston rod of the hydraulic rod (125) is connected to the front end of the first slider (12), and two groups of right-angle seats (122) are installed on the bottom plate (1) by bolts, the two groups of right-angle seats (122) are respectively located at the front and rear of the second slider (121), and the two groups of right-angle seats (122) are both threadedly screwed with limit bolts (123).

2. The gravity sliding mechanism used between welding stations in a multi-vehicle welding production line according to claim 1 is characterized in that: A fixing frame (2) is fixed to the upper end of the rotating plate (14), a No. 1 bracket (3) is fixed above the fixing frame (2), two groups of No. 1 side plates (31) are mounted on the upper end of the No. 1 bracket (3) via bolts, a No. 1 roller (311) is mounted between the two groups of No. 1 side plates (31) via bearings, and two groups of No. 2 side plates (41) are mounted on the right sides of the two groups of No. 1 side plates (31), a No. 2 roller (43) is mounted between the two groups of No. 2 side plates (41) via bearings.

3. The gravity sliding mechanism for welding stations in a multi-vehicle welding production line according to claim 2 is characterized in that: The right ends of the two groups of No. 1 side plates (31) are mounted with a No. 1 plate (312) by bolts, and the left ends of the two groups of No. 2 side plates (41) are mounted with a No. 2 plate (411) by bolts. An intermediate roller (313) is mounted between the No. 2 plate (411) and the No. 1 plate (312), and an arc-shaped through groove is arranged on the No. 2 plate (411). A screw rod is fixed on the No. 1 plate (312), and the screw rod is movably located in the arc-shaped through groove on the No. 2 plate (411). A nut is screwed on the thread of the bolt.

4. The gravity sliding mechanism for welding stations in a multi-vehicle welding production line according to claim 3 is characterized in that: The two groups of No. 1 side plates (31) and the two groups of No. 2 side plates (41) are both mounted with support rods (32) by bolts, a locking seat (321) is mounted on the support rods (32) by bolts, a connecting rod (322) is mounted on the locking seat (321), a cross bar (323) is mounted on the connecting rod (322) by bolts, a mounting frame (324) is fixed on the cross bar (323), and a correction roller (325) is mounted on the mounting frame (324).

5. The gravity sliding mechanism used between welding stations in a multi-vehicle welding production line according to claim 4 is characterized in that: The lower ends of the two groups of the second side plates (41) are mounted with the second bracket (4) by means of bolts, the lower ends of the second bracket (4) are welded with two groups of bottom bars (42), the right end of the fixed frame (2) is fixed with two groups of side bars (21), round bars (211) are fixed on the two groups of side bars (21), a partition plate (212) is mounted between the two groups of round bars (211) by means of bearings, and an intermediate bar (421) is fixed between the two groups of bottom bars (42).

6. The gravity sliding mechanism used between welding stations in a multi-vehicle welding production line according to claim 5 is characterized in that: Two groups of fixing seats (22) are fixed on the partition (212), a bracket (23) is installed between the two groups of fixing seats (22) by bolts, a gearbox (231) is installed on the bracket (23) by bolts, a motor (232) is installed on the gearbox (231) by bolts, a sprocket is installed on the output shaft of the gearbox (231), and a gearbox (221) is installed on both groups of fixing seats (22) by bolts.

7. The gravity sliding mechanism used between welding stations in a multi-vehicle welding production line according to claim 6 is characterized in that: A movable rod (222) is installed inside the two groups of gear boxes (221), and a thread is provided on the movable rod (222). A worm wheel is screwed to the thread on the movable rod (222), and the worm wheel is located inside the gear box (221). A sprocket is installed on the input shaft of the gear box (221), and a chain is connected between the sprocket on the input shaft of the gear box (221) and the sprocket on the output shaft of the gearbox (231), and a worm is installed on the input shaft of the gear box (221), and the worm is meshed with the worm wheel. A connecting seat (223) is fixed to the right end of the two groups of movable rods (222), and a connecting plate (422) is installed on the two groups of connecting seats (223) by bolts. The right end of the connecting plate (422) is installed on the intermediate rod (421) by a bearing, and two groups of guide rods (224) are fixed on the connecting seat (223), and a cylinder is fixed on the fixed seat (22), and the guide rod (224) slides in the cylinder.

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