CN115781168A

CN115781168A - Welding jig convenient to conversion welding point position

Info

Publication number: CN115781168A
Application number: CN202310005133.7A
Authority: CN
Inventors: 洪庆洋; 许加鑫; 刘旭升
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-03-14

Abstract

The invention relates to the technical field of welding fixtures, in particular to a welding fixture convenient for switching positions of welding points, which comprises a clamping module and a limiting module, wherein the clamping module comprises a supporting plate, the bottom surface of the supporting plate is fixedly connected with four supporting columns, the top surface of the supporting plate is rotatably connected with a connecting frame, the side surface of the connecting frame is fixedly connected with the limiting module, the top surface of the connecting frame is annularly and equidistantly connected with four clamping plates in a sliding manner, and the bottom surface of each clamping plate is fixedly connected with a sliding block in sliding connection with the inner side surface of the connecting frame. According to the welding device, the side face of the connecting rod is connected with the inner side face of the adjusting screw rod in a screwing mode, the adjusting screw rod can be rotated to enable the clamping plate to move, then the position of the plate-shaped part is limited, the connecting rod can be rotated to enable the clamping plate to push the plate-shaped part to move, so that the welding point of the next part on the plate-shaped part corresponds to the welding device, the structure is simple, the adjustment is simple and rapid, the plate-shaped part does not need to be loosened, and the welding device is convenient to use.

Description

Welding jig convenient to conversion welding point position

Technical Field

The invention relates to the technical field of welding fixtures, in particular to a welding fixture convenient for converting the position of a welding point.

Background

The welding jig is an apparatus for fixing the positions of parts in order to prevent the parts from shifting when the parts are welded together, and can accurately weld the parts together to improve the welding accuracy.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a welding fixture convenient for switching the position of a welding point.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a welding jig convenient to change welding point position, includes clamping module and spacing module, clamping module includes the backup pad, four support columns of backup pad bottom surface fixedly connected with, the backup pad top surface rotates and is connected with the carriage, carriage side and spacing module fixed connection, carriage top surface annular equidistance sliding connection has four splint, carriage bottom surface fixedly connected with and carriage medial surface sliding connection's sliding block, the sliding block side closes soon and is connected with accommodate the lead screw, the carriage medial surface rotates and is connected with two connecting rods, the connecting rod side closes soon with two adjacent accommodate the lead screw medial surfaces and is connected, connecting rod side middle part rotates and is connected with the actuating lever, equal fixedly connected with in actuating lever both ends and four round bars of adjacent accommodate the lead screw medial surface sliding connection.

Can place plate-shaped or box-shaped part on the carriage, accommodate the lead screw can rotate, accommodate the lead screw rotates and to make the sliding block remove, the sliding block can drive splint and remove to plate-shaped part, thereby restrict the position of plate-shaped part through four splint, then accessible welding equipment welds a spare part welding point on plate-shaped part, after the welding is accomplished, accommodate the lead screw relatively rotates the connecting rod, make the connecting rod rotate and to make two accommodate the lead screw syntropy removals on it, accommodate the lead screw can drive splint through the sliding block and remove, make two splint that are located same connecting rod side promote plate-shaped part and remove, thereby make next spare part welding point on plate-shaped part correspond with welding equipment, moreover, the steam generator is simple in structure, and adjust comparatively simply swiftly, need not loosen plate-shaped part, and convenient to use.

Further, the method comprises the following steps: the splint side is provided with the limiting plate with splice box top surface sliding connection, the splint side closes soon to be connected with rotates the positioning screw who is connected with the limiting plate side, and the limiting plate can slide on the splice box, and splint accessible positioning screw drives the limiting plate and removes, makes the removal of limiting plate restriction plate-like part, and rotatable positioning screw changes the interval of splint and limiting plate, when four splint remove the same distance, makes the clamping of the plate-like part of different specifications can be adapted to the limiting plate.

Further, the method comprises the following steps: the limiting plate deviates from the side of splint and rotates and be connected with a plurality of rolling bars, and after the plate part was cliied to the limiting plate, the plate part can contact with the rolling bar, and the rolling bar is convenient for the plate part and is removed between the limiting plate, makes things convenient for other limiting plates to promote the plate part and removes.

Further, the method comprises the following steps: the two sides of the side surface of the connecting rod are fixedly connected with fixing rings, the two ends of the driving rod are respectively provided with a first clamping gear ring which is rotationally connected with the side surface of the connecting rod, the opposite surfaces of the first clamping gear rings are respectively fixedly connected with one end of an adjacent round rod, the opposite surfaces of the two fixing rings are respectively fixedly connected with a spring, the side surface of the connecting rod is slidably connected with a second clamping gear ring which is fixedly connected with one end of an adjacent spring, the first clamping gear ring is meshed with the second adjacent clamping gear ring, and the first clamping gear ring can be meshed with the second clamping gear ring under the action of the spring, when adjusting screw rotates and makes splint clip plate-shaped part like this, because adjusting screw can rotate through round bar and latch ring one in step, adjusting screw accessible latch ring one dials latch ring two and rotates like this, latch ring two can drive the connecting rod and rotate, make adjusting screw and connecting rod rotate in step, avoid adjusting screw relative connecting rod to rotate, the condition of displacement appears in messenger adjusting screw, and the tooth on latch ring one and the latch ring two is semi-circular, can direct relative adjusting screw rotate the connecting rod like this, convenient to use.

Further, the method comprises the following steps: the fixed box of backup pad bottom surface fixedly connected with, the internal side of fixed box is provided with gear motor, gear motor output end transmission is connected with rotates the transfer line of being connected with the backup pad medial surface, and transfer line side rotates with the link frame medial surface and is connected, the transfer line top is provided with bevel gear one and two bevel gear two, and bevel gear one and two bevel gear two mesh transmissions, the transfer line top cup joints with bevel gear is fixed, and the actuating lever side that is located the bottom cup joints with a bevel gear two is fixed, bottom surface fixedly connected with fixing base in the link frame, fixing base side top is rotated and is connected with the dwang, the dwang side cup joints with another bevel gear two is fixed, fixing base one side is provided with two drive gear of intermeshing, the dwang side cup joints with a drive gear is fixed, and the actuating lever side that is located the top cup joints with another drive gear is fixed.

The speed reducing motor can drive the transmission rod to rotate, the transmission rod can drive two bevel gears to rotate through a first bevel gear, one bevel gear can drive the driving rod located at the bottom to rotate, the other bevel gear can drive the rotating rod to rotate, the rotating rod can drive the driving rod located at the top to rotate through two transmission gears, the two driving rods can synchronously rotate, the driving rod can drive two adjusting screw rods on the driving rod to rotate through a round rod, the round rod can stir the connecting rod to rotate through a first clamping ring and a second clamping ring, when the adjusting screw rods rotate, the clamping plate and the limiting plate can move towards the plate-shaped part, therefore, the four limiting plate synchronously move to clamp the plate-shaped part to be limited, after the speed reducing motor is stopped, the speed reducing motor can prevent the adjusting screw rods from rotating through the transmission rod and the like, the connecting rod can conveniently rotate relative to the adjusting screw rods, the clamping plate and the limiting plate can push the plate-shaped part to move, and the position of the plate-shaped part can be adjusted through selective rotation of the two connecting rods.

And after the plate-shaped part is clamped by the limiting plate, the plate-shaped part prevents the clamp plate and the limiting plate from continuously moving, so that the adjusting screw rod is prevented from continuously rotating, the adjusting screw rod prevents the driving rod from rotating through the round rod, the second bevel gear is prevented from rotating, the first bevel gear is continuously driven to rotate, the second bevel gear is stirred by the first bevel gear to rotate around the driving rod, the connecting frame is rotated, the angle between the plate-shaped part and the part is adjusted, each welding point between the plate-shaped part and the part sequentially passes through the welding equipment, the welding equipment can weld each welding point, the welding is convenient to weld, the operation is simple, the adjustment is flexible, and meanwhile, the limiting plate can be prevented from excessively extruding the plate-shaped part.

Further, the method comprises the following steps: the limiting module comprises a supporting rod, the bottom of the side face of the supporting rod is fixedly connected with the side face of the connecting frame, a fixing cylinder is fixedly connected with the side face of the top of the supporting rod, an adjusting cylinder is arranged on the inner side face of the fixing cylinder, a positioning rod is connected to the inner side face of the adjusting cylinder in a screwing mode, a positioning block is fixedly connected to the bottom end of the positioning rod and can rotate, the positioning rod moves downwards, the positioning block is abutted to the top of a part on the plate-shaped part, the position of the part is limited, the axis of the positioning block corresponds to the axis of the transmission rod, when the connecting frame drives the supporting rod to rotate, the positioning block can follow the rotation, and the plate-shaped part and the part can rotate around the same axis.

Further, the method comprises the following steps: the inner side surface of the support rod is rotatably connected with a transmission shaft and a rotating shaft, the bottom end of the rotating shaft is fixedly connected with a rectangular rod, the side surface of the rectangular rod is slidably connected with the inner side surface of the positioning rod, the transmission shaft and the side surface of the rotating shaft are fixedly sleeved with a first belt pulley, two first belt pulleys are connected through belt transmission, the side surface of the transmission shaft and the side surface of the transmission shaft are fixedly sleeved with a second belt pulley, the two second belt pulleys are connected through belt transmission, the transmission shaft can drive the transmission shaft to rotate through the second belt pulley, the transmission shaft can drive the rotating shaft to rotate through the belt pulley, the transmission shaft can drive the positioning rod to rotate through the rectangular rod, so that the positioning rod moves downwards along the adjusting cylinder, the positioning block is abutted to the top of the part, the plate-shaped part is clamped by the limiting plate, meanwhile, after the positioning block is abutted to the part, the transmission rod continues to drive the bevel gear to rotate, when the connecting frame rotates, the connecting frame can drive the supporting rod to rotate, the transmission shaft and the belt pulley II on the transmission shaft rotate around the transmission rod, the transmission rod cannot drive the transmission shaft to rotate through the belt pulley II, and the positioning block cannot continue to move downwards.

Further, the method comprises the following steps: the side face of the fixed cylinder is connected with a positioning screw in contact with the side face of the adjusting cylinder in a screwing mode, the positioning screw can limit the position of the adjusting cylinder, the adjusting cylinder can slide up and down in the fixed cylinder, the positioning screw can be unscrewed, then the adjusting cylinder can slide in the fixed cylinder, and therefore the positioning block can be abutted to the top of the part according to the height of the height adjusting cylinder and the positioning rod of the part.

The invention has the beneficial effects that:

1. the side surface of the connecting rod is connected with the inner side surface of the adjusting screw rod in a screwing manner, a plate-shaped or box-shaped part can be placed on the connecting frame, the adjusting screw rod can be rotated to enable the sliding block to drive the clamping plate to move, the clamping plate can limit the position of the plate-shaped part, then a part welding point on the plate-shaped part is welded through welding equipment, the connecting rod can be rotated, the adjusting screw rod can drive the two clamping plates in the same connecting rod direction to move, the clamping plates can push the plate-shaped part to move, so that the next part welding point on the plate-shaped part corresponds to the welding equipment, the structure is simpler, the adjustment is simpler and faster, the plate-shaped part does not need to be loosened, and the use is convenient;

2. the first bevel gear and the second bevel gear are in meshed transmission, the transmission rod can drive the two driving rods to rotate through the first bevel gear and the second bevel gear, the clamping plate moves towards the plate-shaped part, the plate-shaped part is limited through the clamping plate, at the moment, the clamping plate can be prevented from moving continuously by the plate-shaped part, the second bevel gear cannot rotate, the first bevel gear rotates continuously, the second bevel gear can be stirred to rotate by taking the transmission rod as a center, the connecting frame rotates, the angle of the plate-shaped part can be adjusted, the welding point of the part on the plate-shaped part passes through the welding equipment, and the welding point of the plate-shaped part and each welding point of the part on the plate-shaped part can be welded through the welding equipment.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a welding jig of the present invention for facilitating the switching of the position of a welding point;

FIG. 2 is a schematic view of the bottom structure of the clamping module of the present invention;

FIG. 3 is a schematic view of the structure of the connection frame of the present invention;

FIG. 4 is a schematic view of the internal structure of the connection frame in the present invention;

FIG. 5 is a schematic view of the transmission rod of the present invention;

FIG. 6 is a schematic view of a lead screw construction of the present invention;

FIG. 7 is a schematic view of the splint of the present invention;

FIG. 8 is a schematic view of the drive rod of the present invention;

FIG. 9 is a schematic view of a connecting rod structure of the present invention;

FIG. 10 is a schematic view of a front view of a spacing module according to the present invention;

FIG. 11 is a front view of the inside of the support rod of the present invention;

fig. 12 is a schematic view of the internal structure of the fixed cylinder in the present invention.

In the figure: 100. a clamping module; 110. a support plate; 111. a support pillar; 120. a connecting frame; 130. a splint; 131. a slider; 132. a limiting plate; 133. positioning a screw rod; 140. a fixing box; 141. a reduction motor; 142. a transmission rod; 143. a first bevel gear; 144. a second bevel gear; 150. a drive rod; 151. a round bar; 152. a first snap ring; 160. adjusting a screw rod; 170. a connecting rod; 171. a fixing ring; 172. a spring; 173. a second snap ring; 180. a fixed seat; 181. rotating the rod; 182. a transmission gear; 200. a limiting module; 210. a support bar; 211. a drive shaft; 212. a rotating shaft; 213. a first belt pulley; 220. a fixed cylinder; 221. an adjusting cylinder; 222. a set screw; 230. positioning a rod; 231. positioning a block; 240. a rectangular bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, a welding fixture convenient for switching positions of welding points comprises a clamping module 100 and a limiting module 200, wherein the clamping module 100 comprises a supporting plate 110, four supporting columns 111 are fixedly connected to the bottom surface of the supporting plate 110, a connecting frame 120 is rotatably connected to the top surface of the supporting plate 110, the side surface of the connecting frame 120 is fixedly connected to the limiting module 200, four clamping plates 130 are slidably connected to the top surface of the connecting frame 120 in an annular and equidistant manner, sliding blocks 131 are fixedly connected to the bottom surface of the clamping plates 130 and slidably connected to the inner side surface of the connecting frame 120, adjusting screw rods 160 are rotatably connected to the side surfaces of the sliding blocks 131, two connecting rods 170 are rotatably connected to the inner side surface of the connecting frame 120, the side surfaces of the connecting rods 170 are rotatably connected to the inner side surfaces of the two adjacent adjusting screw rods 160, a driving rod 150 is rotatably connected to the middle portion of the side surface of the connecting rod 170, and four round rods 151 are fixedly connected to the inner side surfaces of the adjacent adjusting screw rods 160 at two ends of the driving rod 150.

The plate-shaped or box-shaped part can be placed on the connecting frame 120, the adjusting screw rod 160 can be rotated to move the sliding block 131, the sliding block 131 can drive the clamping plates 130 to move towards the plate-shaped part, thereby the position of the plate-shaped part is limited by the four clamping plates 130, then a part welding point on the plate-shaped part can be welded by the welding equipment, after welding is completed, the connecting rod 170 can be rotated relative to the adjusting screw rod 160, the connecting rod 170 can be rotated to enable the two adjusting screw rods 160 on the connecting rod 170 to move in the same direction, the adjusting screw rod 160 can drive the clamping plates 130 to move by the sliding block 131, so that the two clamping plates 130 on the same connecting rod 170 direction can push the plate-shaped part to move, the next part welding point on the plate-shaped part corresponds to the welding equipment, the structure is simple, the adjustment is simple and quick, the plate-shaped part does not need to be loosened, the position of the plate-shaped part is adjusted, and the welding equipment is convenient to use.

The splint 130 side is provided with the limiting plate 132 with the carriage 120 top surface sliding connection, splint 130 side closes soon to be connected with rotates the positioning screw 133 of being connected with limiting plate 132 side, limiting plate 132 can slide on the carriage 120, splint 130 accessible positioning screw 133 drives the limiting plate 132 and removes, make the removal of limiting plate 132 restriction plate-shaped part, rotatable positioning screw 133, change splint 130 and limiting plate 132's interval, when four splint 130 removed the same distance, make limiting plate 132 can adapt to the centre gripping of the plate-shaped part of different specifications. The side face, deviating from the splint 130, of the limiting plate 132 is rotatably connected with a plurality of rolling rods, after the limiting plate 132 clamps the plate-shaped part, the plate-shaped part can be in contact with the rolling rods, the plate-shaped part can be conveniently moved between the limiting plates 132 through the rolling rods, and other limiting plates 132 can be conveniently pushed to move the plate-shaped part.

The fixing rings 171 are fixedly connected to two sides of the side face of the connecting rod 170, the first latch rings 152 rotatably connected to the side face of the connecting rod 170 are arranged at two ends of the driving rod 150, opposite faces of the first latch rings 152 are fixedly connected to one end of the adjacent round rod 151, springs 172 are fixedly connected to opposite faces of the two fixing rings 171, two second latch rings 173 fixedly connected to one end of the adjacent spring 172 are slidably connected to the side face of the connecting rod 170, the first latch rings 152 are meshed with the two adjacent second latch rings 173, under the action of the springs 172, the first latch rings 152 can be meshed with the second latch rings 173, when the clamping plates 130 clamp plate-shaped parts due to rotation of the adjusting screw rod 160, the adjusting screw rod 160 can synchronously rotate with the first latch rings 152 through the round rods 151, the second latch rings 173 can be shifted to rotate through the first latch rings 152, the second latch rings 173 can drive the connecting rod 170 to rotate, the adjusting screw rod 160 and the connecting rod 170 synchronously rotate, the adjusting screw rod 160 is prevented from rotating relative to the connecting rod 170, displacement occurs, and the first latch rings 152 and the semi-circular teeth rings 173 can be directly used for the adjusting screw rod 170.

The bottom surface of the supporting plate 110 is fixedly connected with a fixing box 140, the inner side surface of the fixing box 140 is provided with a speed reducing motor 141, the output end of the speed reducing motor 141 is in transmission connection with a transmission rod 142 which is in rotary connection with the inner side surface of the supporting plate 110, the side surface of the transmission rod 142 is in rotary connection with the inner side surface of the connecting frame 120, the top end of the transmission rod 142 is provided with a first bevel gear 143 and two second bevel gears 144, the first bevel gear 143 is in meshing transmission with the two second bevel gears 144, the top end of the transmission rod 142 is fixedly sleeved with the first bevel gear 143, the side surface of the driving rod 150 positioned at the bottom is fixedly sleeved with one second bevel gear 144, the bottom surface of the connecting frame 120 is fixedly connected with a fixed seat 180, the top of the side surface of the fixed seat 180 is in rotary connection with a rotating rod 181, the side surface of the rotating rod 181 is fixedly sleeved with the other second bevel gear 144, one side of the fixed seat 180 is provided with two transmission gears 182 which are mutually meshed, the side surface of the rotating rod 181 is fixedly sleeved with one transmission gear 182, and the side surface of the driving rod 150 positioned at the top is fixedly sleeved with the other transmission gear 182.

The reducing motor 141 can drive the transmission rod 142 to rotate, the transmission rod 142 can drive the two bevel gear pairs 144 to rotate through the first bevel gear 143, one bevel gear pair 144 can drive the driving rod 150 at the bottom to rotate, the other bevel gear pair 144 can drive the rotating rod 181 to rotate, the rotating rod 181 can drive the driving rod 150 at the top to rotate through the two transmission gears 182, so that the two driving rods 150 synchronously rotate, the driving rod 150 can drive the two adjusting screw rods 160 thereon to rotate through the round rod 151, the round rod 151 can toggle the connecting rod 170 to rotate through the first clamping ring 152 and the second clamping ring 173, when the adjusting screw rods 160 rotate, the clamping plate 130 and the limiting plate 132 can move towards the plate-shaped part, so that the four limiting plates 132 synchronously move to clamp and limit the plate-shaped part, after the reducing motor 141 is stopped, because the reducing motor 141 prevents the adjusting screw rods 160 from rotating through the transmission rod 142 and the like, the connecting rod 170 can conveniently rotate relative to the adjusting screw rods 160, so that the clamping plate 130 and the limiting plate 132 push the plate-shaped part to move, and the position of the plate-shaped part can be adjusted by selectively rotating the two connecting rods 170.

After the plate-shaped part is clamped by the limiting plate 132, the plate-shaped part prevents the clamp plate 130 and the limiting plate 132 from continuously moving, so that the adjusting screw 160 is prevented from continuously rotating, the adjusting screw 160 prevents the driving rod 150 from rotating through the round rod 151, so that the bevel gear II 144 is prevented from rotating, the driving rod 142 continuously drives the bevel gear I143 to rotate, the bevel gear I143 pulls the bevel gear II 144 to rotate around the driving rod 142, the connecting frame 120 is made to rotate, so that the angle between the plate-shaped part and the part is adjusted, so that each welding point between the plate-shaped part and the part sequentially passes through the welding equipment, and the welding equipment can weld each welding point, so that the welding is convenient to perform, the operation is simple, the adjustment is flexible, and meanwhile, the limiting plate 132 can be prevented from excessively extruding the plate-shaped part.

The limiting module 200 comprises a supporting rod 210, the bottom of the side surface of the supporting rod 210 is fixedly connected with the side surface of the connecting frame 120, a fixing cylinder 220 is fixedly connected with the side surface of the top of the supporting rod 210, an adjusting cylinder 221 is arranged on the inner side surface of the fixing cylinder 220, a positioning rod 230 is connected to the inner side surface of the adjusting cylinder 221 in a screwing mode, a positioning block 231 is fixedly connected to the bottom end of the positioning rod 230, the positioning rod 230 can rotate, the positioning rod 230 can move downwards, the positioning block 231 can be abutted to the top of a part on the plate-shaped part, the position of the part is limited, the axis of the positioning block 231 corresponds to the axis of the transmission rod 142, when the connecting frame 120 drives the supporting rod 210 to rotate, the positioning block 231 can follow the rotation, and the plate-shaped part and the part can rotate by taking the same axis as the center.

The inner side of the support rod 210 is rotatably connected with a transmission shaft 211 and a rotation shaft 212, the bottom end of the rotation shaft 212 is fixedly connected with a rectangular rod 240, the side of the rectangular rod 240 is slidably connected with the inner side of the positioning rod 230, the side of the transmission shaft 211 is fixedly sleeved with a first belt pulley 213, the two belt pulleys 213 are in transmission connection with the side of the transmission shaft 211, the side of the transmission rod 142 is fixedly sleeved with a second belt pulley, the two belt pulleys are in transmission connection with each other through a second belt pulley, the transmission shaft 142 can drive the transmission shaft 211 to rotate through the first belt pulley 213, the transmission shaft 211 can drive the positioning rod 230 to rotate through the rectangular rod 240, so that the positioning rod 230 moves downwards along the adjusting cylinder 221, the positioning block 231 abuts against the top of the component, the plate-shaped component is clamped by the limiting plate 132, and after the positioning block 231 abuts against the component, the transmission shaft 142 continues to drive the first bevel gear 143 to rotate, so that when the connection frame 120 rotates, the connection frame 120 can drive the support rod 210 to rotate the transmission shaft 211 and the second belt pulley 142 thereon, so that the transmission shaft 142 will not drive the transmission shaft 211 through the second belt pulley 211 to rotate.

The side surface of the fixing cylinder 220 is screwed with a positioning screw 222 contacting with the side surface of the adjusting cylinder 221, the positioning screw 222 can limit the position of the adjusting cylinder 221, the adjusting cylinder 221 can slide up and down along the fixing cylinder 220, the positioning screw 222 can be unscrewed, and then the adjusting cylinder 221 slides in the fixing cylinder 220, so that the heights of the adjusting cylinder 221 and the positioning rod 230 can be adjusted according to the height of the component, and the positioning block 231 can be abutted to the top of the component.

The working principle is as follows: when the device is used, a plate-shaped part is placed on the connecting frame 120 and located between the four clamping plates 130, then the decelerating motor 141 is started, the decelerating motor 141 can drive the transmission rod 142 to rotate, the transmission rod 142 can drive the two bevel gear pairs 144 to rotate through the bevel gear pair 143, the two bevel gear pairs 144 can respectively drive the rotating rod 181 and the driving rod 150 located at the bottom to rotate, the rotating rod 181 can drive the driving rod 150 located at the top to rotate through the two transmission gears 182, so that the two driving rods 150 synchronously rotate, the driving rod 150 can drive the two adjusting screw rods 160 thereon to rotate through the round rod 151, meanwhile, the driving rod 150 can stir the connecting rod 170 to rotate through the first clamping ring 152 and the second clamping ring 173, so that the connecting rod 170 and the adjusting screw rods 160 synchronously rotate, when the adjusting screw rods 160 rotate, the sliding block 131 can drive the clamping plates 130 to move, the clamping plates 130 can drive the limiting plates 132 to move through the positioning screw rods 133, so that the clamping plates 130 and the limiting plates 132 move to the plate-shaped part, and the four clamping plates 130 can clamp and limit the plate-shaped part through the limiting plates 132;

when the transmission rod 142 rotates, the transmission rod 142 can drive the transmission shaft 211 to rotate through the second belt pulley, the transmission shaft 211 can drive the rotating shaft 212 to rotate through the first belt pulley 213, the rotating shaft 212 can drive the positioning rod 230 to rotate through the rectangular rod 240, so that the positioning rod 230 moves downwards along the inner side surface of the adjusting cylinder 221, the positioning block 231 moves downwards to abut against the top of the part on the plate-shaped part, and the plate-shaped part and the part on the positioning block are fixed with each other;

after the plate-shaped part is clamped by the limiting plate 132 and the positioning block 231 abuts against the part, the plate-shaped part prevents the clamp plate 130 and the limiting plate 132 from continuously moving, so that the sliding block 131 does not move towards the plate-shaped part any more, the adjusting screw 160 does not continuously rotate, the adjusting screw 160 prevents the driving rod 150 from rotating through the round rod 151, so that the bevel gear II 144 is prevented from rotating, so that the driving rod 142 continuously drives the bevel gear I143 to rotate, the bevel gear I143 drives the toggle bevel gear II 144 to rotate around the driving rod 142, so that the driving rod 150, the connecting rod 170 and the like rotate around the driving rod 142, so that the connecting frame 120 rotates, the connecting frame 120 can drive the supporting rod 210 to rotate, so that the driving shaft 211 and the belt pulley II thereon rotate around the driving rod 142, so that the driving rod 142 does not drive the driving shaft 211 to rotate through the belt pulley II, so that the positioning block 231 does not continuously move downwards, and the supporting rod 210 drives the fixing cylinder 220 and the like to rotate, so that the positioning block 231 rotates along with the connecting frame 120, thereby adjusting the angle between the plate-shaped part, and the welding points between the plate-shaped part sequentially pass through the welding equipment, so that the welding points can weld the welding equipment can weld the welding points;

after welding of a part is completed, the connecting frame 120 is rotated for a circle, the positioning screw 222 can be rotated after the connecting frame 120 is rotated to the original position, the positioning screw 222 is not abutted to the adjusting cylinder 221 any more, at this time, the positioning block 231 can be moved upwards, the positioning block 231 is not used for extruding the part any more, then the connecting rod 170 is rotated as required, the speed reduction motor 141 prevents the adjusting screw 160 from rotating through the transmission rod 142, and the connecting rod 170 rotates relative to the adjusting screw 160, the connecting rod 170 rotates to enable the two adjusting screw 160 on the connecting rod to move in the same direction, the adjusting screw 160 can drive the clamping plate 130 to move through the sliding block 131, so that the clamping plate 130 and the limiting plate 132 push the plate-shaped part to move, the position of the plate-shaped part can be adjusted through selectively rotating the two connecting rods 170, the upper part and the lower part of the plate-shaped part are moved to the bottom of the positioning block 231, the welding point of the next part corresponds to the welding equipment, then next welding can be started, after the welding is completed, the transmission rod 142 can be rotated reversely through the speed reduction motor 141, so that the clamping plate-shaped part is moved away from the plate-shaped part, and the plate-shaped part is loosened.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims

1. The utility model provides a welding jig convenient to change welding point position, a serial communication port, including centre gripping module (100) and spacing module (200), centre gripping module (100) is including backup pad (110), four support columns (111) of backup pad (110) bottom surface fixedly connected with, backup pad (110) top surface rotates and is connected with linking frame (120), linking frame (120) side and spacing module (200) fixed connection, linking frame (120) top surface annular equidistance sliding connection has four splint (130), splint (130) bottom surface fixedly connected with and linking frame (120) medial surface sliding connection's sliding block (131), sliding block (131) side closes soon and is connected with accommodate the lead screw (160), linking frame (120) medial surface rotates and is connected with two connecting rods (170), connecting rod (170) side and two adjacent accommodate the lead screw (160) medial surface close soon and is connected, connecting rod (170) side middle part rotates and is connected with actuating lever (150), four round bars (151) of the equal fixedly connected with adjacent accommodate the lead screw (160) medial surface sliding connection in actuating lever (150) both ends.

2. The welding fixture convenient to change the position of the welding point according to claim 1, wherein a limiting plate (132) slidably connected with the top surface of the connecting frame (120) is arranged on the side surface of the clamping plate (130), and a positioning screw rod (133) rotatably connected with the side surface of the limiting plate (132) is rotatably connected to the side surface of the clamping plate (130).

3. The welding fixture facilitating transition of the welding point position as claimed in claim 2, wherein the side of the limiting plate (132) away from the clamping plate (130) is rotatably connected with a plurality of rolling rods.

4. The welding fixture convenient to change the position of a welding point, according to claim 1, is characterized in that both sides of the side surface of the connecting rod (170) are fixedly connected with fixing rings (171), both ends of the driving rod (150) are provided with first latch rings (152) rotatably connected with the side surface of the connecting rod (170), opposite surfaces of the first latch rings (152) are fixedly connected with one end of an adjacent round rod (151), opposite surfaces of the two fixing rings (171) are fixedly connected with springs (172), two second latch rings (173) fixedly connected with one end of an adjacent spring (172) are slidably connected with the side surface of the connecting rod (170), and the first latch rings (152) are meshed with the adjacent second latch rings (173).

5. The welding fixture for facilitating transition of weld site locations as defined in claim 1, the bottom surface of the supporting plate (110) is fixedly connected with a fixed box (140), the inner side surface of the fixed box (140) is provided with a speed reducing motor (141), the output end of the speed reducing motor (141) is connected with a transmission rod (142) which is rotationally connected with the inner side surface of the support plate (110), and the side surface of the transmission rod (142) is rotationally connected with the inner side surface of the connecting frame (120), the top end of the transmission rod (142) is provided with a first bevel gear (143) and two second bevel gears (144), and the bevel gear I (143) is in mesh transmission with the two bevel gears II (144), the top end of the transmission rod (142) is fixedly sleeved with a bevel gear I (143), and the side surface of the driving rod (150) positioned at the bottom is fixedly sleeved with a second bevel gear (144), the inner bottom surface of the connecting frame (120) is fixedly connected with a fixed seat (180), the top of the side surface of the fixed seat (180) is rotatably connected with a rotating rod (181), the side surface of the rotating rod (181) is fixedly sleeved with the other bevel gear II (144), one side of the fixed seat (180) is provided with two transmission gears (182) which are meshed with each other, the side surface of the rotating rod (181) is fixedly sleeved with a transmission gear (182), and the side surface of the driving rod (150) positioned at the top is fixedly sleeved with another transmission gear (182).

6. The welding jig convenient to change the position of the welding point according to claim 5, wherein the limiting module (200) comprises a supporting rod (210), the bottom of the side surface of the supporting rod (210) is fixedly connected with the side surface of the connecting frame (120), the side surface of the top of the supporting rod (210) is fixedly connected with a fixing cylinder (220), an adjusting cylinder (221) is arranged on the inner side surface of the fixing cylinder (220), a positioning rod (230) is screwed and connected to the inner side surface of the adjusting cylinder (221), and a positioning block (231) is fixedly connected to the bottom end of the positioning rod (230).

7. The welding fixture convenient to change the position of the welding point according to claim 6, wherein a transmission shaft (211) and a rotation shaft (212) are rotatably connected to the inner side of the support rod (210), a rectangular rod (240) is fixedly connected to the bottom end of the rotation shaft (212), the side of the rectangular rod (240) is slidably connected to the inner side of the positioning rod (230), a first belt pulley (213) is fixedly sleeved on the side of the transmission shaft (211) and the side of the rotation shaft (212), the two first belt pulleys (213) are connected through belt transmission, a second belt pulley is fixedly sleeved on the side of the transmission shaft (142) and the side of the transmission shaft (211), and the two second belt pulleys are connected through belt transmission.

8. The welding jig facilitating the switching of the welding point position according to claim 6, wherein a set screw (222) contacting with a side surface of the adjusting cylinder (221) is screwed to a side surface of the fixing cylinder (220).