CN117066894A - Trailer side plate welding device - Google Patents

Abstract

The invention relates to the technical field of welding equipment, and provides a welding device for side plates of a trailer, which comprises two support plates and side plate angle modulation rotary tables arranged on the two support plates, wherein a guide rail is fixed between the two support plates, a sliding table and a driving mechanism for driving the sliding table to horizontally move on the guide rail are arranged on the guide rail, and a polishing mechanism and a welding mechanism for sequentially polishing and welding the side plates of the trailer are arranged on the sliding table; according to the invention, the angle-adjusting turntable is lifted and rotated to a certain angle through the side plates, the gap between the two side plates is kept within the standard distance of welding, the first motor works to drive the screw rod to rotate, the sliding table moves towards the gap between the side plates of the trailer on the guide rail under the threaded fit of the screw rod and the screw rod nut at the bottom of the sliding table, and the polishing mechanism and the welding mechanism on the sliding table sequentially polish and weld the welding edge parts of the side plates.

Description

Trailer side plate welding device

Technical Field

The invention relates to the technical field of welding equipment, in particular to a welding device for a side plate of a trailer.

Background

Large trailers are one of the necessary equipment for modern logistics. The trailer is a trailer with axles placed behind the center of gravity of the vehicle and equipped with hitch devices that can transfer horizontal and vertical forces to the tractor. The semitrailer is generally a three-axle semitrailer, and is classified into eleven-meter bin semitrailer, thirteen-meter bin semitrailer, low-bed semitrailer and the like, and is a heavy transportation vehicle connected with the semitrailer head through a traction pin. The trailer side plate is formed by mutually welding a plurality of pieces. Because the trailer is longer, the welding equipment is usually used for realizing long-distance connection welding on one hand and accurate interface welding on the other hand.

Through searching, the bulletin number is CN218197005U, which discloses a plastic plate included angle splice welding device. Comprising the following steps: the device comprises a frame body, a heating plate and a lifting mechanism, wherein a pair of moving tables are arranged on the frame body, the pair of moving tables can move in the horizontal direction and can mutually perform clutch motion, the heating plate is arranged between the pair of moving tables, and the heating plate can perform lifting motion in the vertical direction; the pair of mobile stations are respectively provided with a plastic plate fixing seat, wherein the plastic plate fixing seats comprise vacuum suction plates, and a preset included angle is formed between the vacuum suction plates at two sides. The included angle splice welding device for the plastic plates can be suitable for welding plastic plates with included angles, and is high in automation degree.

However, the above-mentioned tailor welding device still has the following problems: above-mentioned welding set is to the welding of realizing between the plastic slab through the heating board heating with the welding of realizing between the plastic slab, and this kind of mode is unsuitable for the trailer curb plate welding of steel, and current welding mode is to combine above-mentioned fixed mode with the trailer curb plate lift back, polish earlier through the manual work and then weld through the electric welding, in actual operation, the manual work is polished and is difficult to control the degree of depth of polishing, lead to polishing quality inequality, and to polishing the difficult control of position of grinding dish, lead to polishing the disc loss great, need often change, in addition, when manual electric welding, in order to guarantee welded coverage cover the reservation gap between the curb plate, need manual control bonding tool side-to-side swing, and because the length of trailer curb plate is longer than the length of general weldment, in addition hand-held device's dead weight, the welding degree of difficulty is great, the welded quality is difficult to control equally.

Disclosure of Invention

The invention provides a trailer side plate welding device, which solves the problems that in the prior art, the manual polishing depth and the polishing position of a millstone are difficult to control, and the welding difficulty of controlling a welding head to swing left and right by manual welding is high.

The technical scheme of the invention is as follows: the trailer side plate welding device comprises two support plates and side plate angle modulation rotary tables arranged on the two support plates, a guide rail is fixed between the two support plates, a sliding table and a driving mechanism for driving the sliding table to horizontally move on the guide rail are arranged on the guide rail, and a polishing mechanism and a welding mechanism for sequentially polishing and welding the trailer side plates are arranged on the sliding table;

the polishing mechanism comprises a mounting table, polishing equipment arranged on the mounting table and a floating component which enables the polishing equipment to float up and down when the polishing equipment works;

the welding mechanism comprises a shaking table, a box body arranged on the shaking table, an arc welder fixed on the box body and a shaking part, wherein a rack is fixed on one side of the guide rail, and the shaking table drives the box body to swing back and forth on the shaking table along with the cooperation of the rack and the sliding table when the shaking table moves on the guide rail.

Preferably, the driving mechanism comprises a first motor, the first motor is fixed on the outer end face of the guide rail, a screw rod is fixed at the output end of the first motor, the screw rod is rotationally connected with the guide rail, a screw rod nut is fixed at the bottom of the sliding table, and the screw rod is in threaded fit with the screw rod nut.

Preferably, the mounting table comprises a supporting table and a mounting seat arranged in parallel with the supporting table, the supporting table is fixed on the sliding table, a guide rod penetrating through the mounting seat in a sliding manner is fixed at the top of the supporting table, a first spring is sleeved outside the guide rod, and two ends of the first spring are respectively fixed with the supporting table and the mounting seat.

Preferably, the polishing device comprises a second motor, the second motor is fixed on the mounting seat, a grinding disc is fixed on an output shaft of the second motor, and the outer end part of the output shaft of the second motor is rotationally connected with a shaft sleeve.

Preferably, the floating component comprises a support, the support is H-shaped, axle sleeve and support sliding connection, still be fixed with first band pulley and fifth band pulley on the output shaft of second motor, rotate on the support and be connected with the second band pulley, the outside of second band pulley is fixed with the fixed plate, the both ends of fixed plate all rotate and are connected with the fourth band pulley, be connected through the tensioning belt transmission between fifth band pulley and the two fourth band pulleys, sliding connection has the slide on the support, the outside of slide rotates and is connected with the third band pulley, pass through the drive belt transmission between first band pulley, second band pulley, the third band pulley and be connected, one side of slide is fixed with the second spring, the one end that the slide was kept away from to the second spring is fixed with the support.

Preferably, a chute for limiting the sliding of the box body is formed in the bottom of the shaking table, third springs are fixed on two sides of the box body, and one end, away from the box body, of each third spring is fixed with the shaking table.

Preferably, the shaking component comprises a first gear and a second gear meshed with the first gear, a first shaft rod is fixed at the center of the first gear, a second shaft rod is fixed at the center of the second gear, the first shaft rod and the second shaft rod are both rotationally connected with the shaking table, the first gear is meshed with the rack, the top end of the second shaft rod extends into the box body and is fixedly provided with a pressing wheel, and the pressing wheel and the second shaft rod are eccentrically arranged.

Preferably, two blocking rods arranged in parallel are fixed in the box body, and the pressing wheel is positioned between the two blocking rods.

The beneficial effects of the invention are as follows:

1. according to the invention, the angle-adjusting turntable is lifted and rotated to a certain angle through the side plates, the gap between the two side plates is kept within the standard distance of welding, the first motor works to drive the screw rod to rotate, the sliding table moves towards the gap between the side plates of the trailer on the guide rail under the threaded fit of the screw rod and the screw rod nut at the bottom of the sliding table, and the polishing mechanism and the welding mechanism on the sliding table sequentially polish and weld the welding edge parts of the side plates;

2. in the polishing process, the output shaft of the second motor drives the first belt pulley to rotate, the second belt pulley synchronously rotates under the transmission action of the transmission belt, the fixed plate and the fourth belt pulleys at the two ends of the fixed plate are driven to circumferentially rotate by taking the second belt pulley as the center, the fifth belt pulley is pulled by the tensioning belt, the height of the fifth belt pulley is enabled to reciprocally lift, the third belt pulley correspondingly moves horizontally under the action of the elasticity of the second spring along with the change of the height of the fifth belt pulley, the height position of the grinding disc can be enabled to continuously float up and down in the mode, the contact position with the welding edge of the side plate is adjusted, all parts of the grinding disc can be evenly contacted with the welding edge of the side plate, the effective utilization rate of the grinding disc is improved, abrasion is reduced, and the problem that the manual polishing depth and the polishing position of the grinding disc are not easy to control in the prior art is solved;

3. in the electric welding process, the first shaft rod is driven to rotate by the meshing of the first gear and the rack in the electric welding process along with the movement of the sliding table, the second shaft rod is driven to rotate by the meshing of the first gear and the second gear, and the pinch roller is driven to rotate.

Drawings

The invention will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of a welding device for side plates of a trailer;

FIG. 2 is a schematic view of a welding device for side panels of a trailer according to another aspect of the present invention;

FIG. 3 is a schematic view of a guide rail and a sliding table according to the present invention;

fig. 4 is a schematic diagram of a sliding table structure according to the present invention;

FIG. 5 is a schematic view of a polishing mechanism according to the present invention;

FIG. 6 is a schematic diagram of a polishing mechanism according to the present invention;

FIG. 7 is a schematic diagram of a welding mechanism according to the present invention;

FIG. 8 is a schematic view of a welding mechanism according to another embodiment of the present invention;

FIG. 9 is a schematic diagram of a semi-sectional structure of a welding mechanism according to the present invention;

in the figure: 1. a support plate; 2. a side plate angle modulation rotary table; 3. a guide rail; 4. a sliding table; 41. a screw nut; 5. a polishing mechanism; 51. a mounting table; 511. a support table; 512. a mounting base; 513. a guide rod; 514. a first spring; 52. polishing equipment; 521. a second motor; 522. grinding disc; 523. a shaft sleeve; 53. a floating member; 531. a bracket; 532. a first pulley; 533. a second pulley; 534. a third pulley; 535. a slide; 536. a second spring; 537. a transmission belt; 538. a fixing plate; 539. a fourth pulley; 5310. tensioning the belt; 5311. a fifth pulley; 6. a welding mechanism; 61. shaking table; 611. a third spring; 612. a chute; 62. a case body; 621. a stop lever; 63. an arc welder; 64. a rocking member; 641. a first gear; 642. a second gear; 643. a first shaft; 644. a second shaft; 645. a pinch roller; 7. a driving mechanism; 71. a first motor; 72. a screw rod; 8. a rack.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 and 2, the present invention provides a technical solution: a welding device for side plates of a trailer comprises two support plates 1 and a side plate angle modulation rotary table 2 arranged on the two support plates 1, wherein the specific structure and the movement mode of the side plate angle modulation rotary table 2 can refer to a comparison document, the welding device mainly aims at fixing the side plates and adjusting the welding included angle of the side plates, a guide rail 3 is fixed between the two support plates 1, a sliding table 4 and a driving mechanism 7 for driving the sliding table 4 to horizontally move on the guide rail 3 are arranged on the guide rail 3, a polishing mechanism 5 and a welding mechanism 6 for sequentially polishing and welding the side plates of the trailer are arranged on the sliding table 4, as shown in figures 3 and 4, wherein the polishing mechanism 5 comprises a mounting table 51, polishing equipment 52 arranged on the mounting table 51 and a floating part 53 for enabling the polishing equipment 52 to float up and down when the polishing equipment 52 works, the welding mechanism 6 comprises a shaking table 61, a box 62 arranged on the shaking table 61, an arc welder 63 fixed on the box 62 and a shaking part 64, a rack 8 is fixed on one side of the guide rail 3, the cradle 61 drives the box body 62 to swing reciprocally on the cradle 61 under the cooperation of the rack 8 when the sliding table 4 moves on the guide rail 3, wherein the driving mechanism 7 comprises a first motor 71, the first motor 71 is fixed on the outer end face of the guide rail 3, a screw rod 72 is fixed at the output end of the first motor 71, the screw rod 72 is rotationally connected with the guide rail 3, a screw rod nut 41 is fixed at the bottom of the sliding table 4, the screw rod 72 is in threaded cooperation with the screw rod nut 41, when in operation, two trailer side plates to be splice welded are placed on the side plate angle modulation turntable 2 at two sides, lifted and rotated to a certain angle through the side plate angle modulation turntable 2, and the gap between the two side plates is kept within the standard distance of splice welding, the first motor 71 works to drive the screw rod 72 to rotate, under the threaded cooperation of the screw rod 72 and the screw rod nut 41 at the bottom of the sliding table 4, the sliding table 4 moves on the guide rail 3 towards the gap of the side plate of the trailer, and the polishing mechanism 5 and the welding mechanism 6 on the sliding table 4 polish and weld the welding edge of the side plate successively.

Referring to fig. 5 and 6, the mounting table 51 includes a support table 511 and a mounting seat 512 parallel to the support table 511, the support table 511 is fixed on the sliding table 4, a guide rod 513 slidably penetrating through the mounting seat 512 is fixed on the top of the support table 511, a first spring 514 is sleeved outside the guide rod 513, two ends of the first spring 514 are respectively fixed on the support table 511 and the mounting seat 512, the polishing device 52 includes a second motor 521, the second motor 521 is fixed on the mounting seat 512, a polishing disc 522 is fixed on an output shaft of the second motor 521, a shaft sleeve 523 is rotatably connected to an outer end of the output shaft of the second motor 521, the floating member 53 includes a bracket 531, the bracket 531 is H-shaped, the shaft sleeve 523 is slidably connected with the bracket 531, a first pulley 532 and a fifth pulley 5311 are also fixed on the output shaft of the second motor 521, a second pulley 533 is rotatably connected to the bracket 531, a fixing plate 538 is fixed on the outer side of the second pulley 533, the two ends of the fixed plate 538 are rotationally connected with a fourth belt pulley 539, the fifth belt pulley 5311 is in transmission connection with the two fourth belt pulleys 539 through a tension belt 5310, a sliding seat 535 is slidingly connected on a bracket 531, the outer side of the sliding seat 535 is rotationally connected with a third belt pulley 534, the first belt pulley 532, the second belt pulley 533 and the third belt pulley 534 are in transmission connection through a transmission belt 537, one side of the sliding seat 535 is fixedly provided with a second spring 536, one end of the second spring 536 far away from the sliding seat 535 is fixedly connected with the bracket 531, the output shaft of the second motor 521 drives the first belt pulley 532 to rotate, the second belt pulley 533 is synchronously rotated under the transmission action of the transmission belt 537, the fixed plate 538 and the fourth belt pulleys 539 at the two ends of the fixed plate 538 are driven to circumferentially rotate around the second belt pulley 533 as the center, the fifth belt pulley 5311 is pulled through the tension belt 5310, the height of the fifth belt pulley 5311 is reciprocally lifted, and the third belt pulley 534 is driven by the elasticity of the second spring 536, the position of the third pulley 534 corresponds to the horizontal movement of the bracket 531 as the height of the fifth pulley 5311 changes.

Referring to fig. 7, 8 and 9, a sliding groove 612 for limiting sliding of the box 62 is formed in the bottom of the shaking table 61, a third spring 611 is fixed at two sides of the box 62, one end of the third spring 611 far away from the box 62 is fixed with the shaking table 61, the shaking component 64 comprises a first gear 641 and a second gear 642 meshed with the first gear 641, a first shaft 643 is fixed at the center of the first gear 641, a second shaft 644 is fixed at the center of the second gear 642, the first shaft 643 and the second shaft 644 are both in rotational connection with the shaking table 61, the first gear 641 is meshed with the rack 8, the top end of the second shaft 644 extends into the box 62 and is fixed with a pressing wheel 645, the pressing wheel 645 is eccentrically arranged with the second shaft 644, two parallel bars 621 are fixed in the box 62, the pressing wheel 645 is located between the two bars 621, the shaking table 61 is driven to rotate under the movement of the sliding table 4 by the first gear 641 and the second shaft 643, the second shaft 644 is driven to rotate under the meshing of the first gear 641 and the second gear 642, and then the pressing wheel 644 is driven to rotate under the elastic force of the second shaft 645, and the pressing wheel 645 is in a reciprocating manner under the action of the elastic force of the pressing wheel 645, and the pressing wheel 645 is arranged at two sides of the pressing bars and the pressing wheel 645 and is in a reciprocating manner under the elastic force of the pressing bar body.

The working principle and the using flow of the invention are as follows: when the welding machine works, two trailer side plates to be welded are placed on the side plate angle modulation rotary tables 2 on two sides, the side plate angle modulation rotary tables 2 are lifted and rotated to a certain angle, the gap between the two side plates is kept within the standard distance of welding, the first motor 71 works to drive the screw rod 72 to rotate, the sliding table 4 moves on the guide rail 3 towards the gap between the trailer side plates under the threaded fit of the screw rod 72 and the screw nut 41 at the bottom of the sliding table 4, and the polishing mechanism 5 and the welding mechanism 6 on the sliding table 4 polish and weld the welding edge parts of the side plates in sequence;

in the polishing process, the output shaft of the second motor 521 drives the first belt wheel 532 to rotate, the second belt wheel 533 is synchronously rotated under the transmission action of the transmission belt 537, so that the fixed plate 538 and the fourth belt wheel 539 at two ends of the fixed plate 538 are driven to circumferentially rotate around the second belt wheel 533, the fifth belt wheel 5311 is pulled by the tensioning belt 5310, the height of the fifth belt wheel 5311 is reciprocally lifted, the position of the third belt wheel 534 correspondingly moves horizontally under the action of the elastic force of the second spring 536 along with the change of the height of the fifth belt wheel 5311 on the support 531, the height position of the grinding disc 522 can be continuously floated up and down by the mode, the contact position with the welding edge of the side plate is adjusted, each part of the grinding disc 522 can be uniformly contacted with the welding edge of the side plate, the effective utilization rate of the grinding disc 522 is improved, and abrasion is reduced;

in the electric welding process, the cradle 61 drives the first shaft 643 to rotate under the meshing of the first gear 641 and the rack 8 along with the movement of the sliding table 4, and drives the second shaft 644 to rotate under the meshing of the first gear 641 and the second gear 642, so as to drive the pinch roller 645 to rotate, and because the pinch roller 645 and the second shaft 644 are eccentrically arranged, when the second shaft 644 rotates, the pinch roller 645 can squeeze the stop rods 621 on two sides, and under the action of the elastic force of the third spring 611, the box 62 can shake reciprocally on the cradle 61, so that in the horizontal movement process of the cradle 61, the electric welding machine 63 can replace a manual hand-held mode to perform swinging electric welding on the welded edge parts of the polished side plates, and the welding seam range can completely cover the gap of the two side plates.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (8)

1. The utility model provides a trailer curb plate welding device, includes two backup pads (1) and sets up curb plate angle modulation revolving stage (2) on two backup pads (1), its characterized in that, two be fixed with guide rail (3) between backup pad (1), be provided with slip table (4) on guide rail (3) and drive slip table (4) on guide rail (3) horizontal movement's actuating mechanism (7), be provided with on slip table (4) to trailer curb plate grinding and welding mechanism (5) and welding mechanism (6) of welding in succession;

the polishing mechanism (5) comprises a mounting table (51), polishing equipment (52) arranged on the mounting table (51) and a floating component (53) which enables the polishing equipment (52) to float up and down when the polishing equipment (52) works;

the welding mechanism (6) comprises a shaking table (61), a box body (62) arranged on the shaking table (61), an arc welder (63) fixed on the box body (62) and a shaking component (64), wherein a rack (8) is fixed on one side of the guide rail (3), and the shaking table (61) drives the box body (62) to swing back and forth on the shaking table (61) under the cooperation of the shaking table (61) and the rack (8) along with the sliding table (4) when the sliding table (4) advances on the guide rail (3).

2. The trailer side plate welding device according to claim 1, wherein the driving mechanism (7) comprises a first motor (71), the first motor (71) is fixed on the outer end face of the guide rail (3), a screw rod (72) is fixed at the output end of the first motor (71), the screw rod (72) is rotationally connected with the guide rail (3), a screw rod nut (41) is fixed at the bottom of the sliding table (4), and the screw rod (72) is in threaded fit with the screw rod nut (41).

3. The trailer side plate welding device according to claim 1, wherein the mounting table (51) comprises a supporting table (511) and a mounting seat (512) arranged in parallel with the supporting table (511), the supporting table (511) is fixed on the sliding table (4), a guide rod (513) penetrating through the mounting seat (512) in a sliding manner is fixed at the top of the supporting table (511), a first spring (514) is sleeved outside the guide rod (513), and two ends of the first spring (514) are respectively fixed with the supporting table (511) and the mounting seat (512).

4. A trailer side plate welding apparatus as claimed in claim 3, wherein said grinding device (52) comprises a second motor (521), said second motor (521) is fixed on a mounting base (512), a grinding disc (522) is fixed on an output shaft of said second motor (521), and a shaft sleeve (523) is rotatably connected to an outer end of the output shaft of said second motor (521).

5. The welding device for side plates of a trailer according to claim 4, wherein the floating member (53) comprises a bracket (531), the bracket (531) is in an H shape, the shaft sleeve (523) is in sliding connection with the bracket (531), a first belt pulley (532) and a fifth belt pulley (5311) are further fixed on the output shaft of the second motor (521), a second belt pulley (533) is rotatably connected on the bracket (531), a fixing plate (538) is fixed on the outer side of the second belt pulley (533), a fourth belt pulley (539) is rotatably connected at both ends of the fixing plate (538), a sliding seat (535) is connected between the fifth belt pulley (5311) and the two fourth belt pulleys (539) through a tensioning belt (5310), a third belt pulley (534) is rotatably connected on the outer side of the sliding seat (535), a spring (536) is fixed on one side of the second belt pulley (536), and the sliding seat (535) is fixed on one side of the spring (536).

6. The trailer side plate welding device according to claim 1, wherein a chute (612) for limiting sliding of the box body (62) is formed in the bottom of the cradle (61), third springs (611) are fixed on two sides of the box body (62), and one end, far away from the box body (62), of each third spring (611) is fixed with the cradle (61).

7. The trailer side plate welding device according to claim 6, wherein the swinging component (64) comprises a first gear (641) and a second gear (642) meshed with the first gear (641), a first shaft lever (643) is fixed at the center of the first gear (641), a second shaft lever (644) is fixed at the center of the second gear (642), the first shaft lever (643) and the second shaft lever (644) are both in rotary connection with the swinging table (61), the first gear (641) is meshed with the rack (8), the top end of the second shaft lever (644) extends into the box body (62) and is fixed with a pressing wheel (645), and the pressing wheel (645) and the second shaft lever (644) are eccentrically arranged.

8. The trailer side plate welding device according to claim 7, wherein two stop rods (621) are fixed in the box body (62), and the pinch roller (645) is located between the two stop rods (621).