Steel plate brazing device for building construction
Technical Field
The invention relates to the field of building construction, in particular to a steel plate brazing device for building construction.
Background
The steel plates are common materials in building construction, the steel plates are various and are divided into stainless steel, tool steel, heat-resistant steel, bearing steel and the like, in the building construction process, two steel plates are often required to be welded together, the method for welding the steel plates mainly comprises brazing, and the brazing refers to a welding method for filling gaps of solid workpieces with liquid brazing filler metal to connect metals after brazing filler metal with the brazing filler metal below the melting point of the welding parts is heated to the melting temperature of the brazing filler metal.
In the brazing process, a worker is required to clamp a brazing filler metal wire by using a clamping tool to align between gaps of two steel plates to be welded, flame is sprayed out by a flame thrower to align the brazing filler metal wire for heating, so that the brazing filler metal is melted, the molten brazing filler metal is filled between the gaps of the two steel plates, when the molten brazing filler metal is cooled and solidified, the two steel plates are connected together, if the steel plates have larger gaps, more molten brazing filler metal is required to fill the gaps on the steel plates, but the molten brazing filler metal is cooled and solidified quickly, and the brazing filler metal is insufficient to infiltrate into gaps between the two steel plates, so that the problem of insufficient welding is caused; when the brazing filler metal is filled more, the molten brazing filler metal is easy to overflow, so that the welded part of the steel plate is uneven, and the attractiveness of the steel plate is affected.
Disclosure of Invention
Therefore, when the steel plates are welded by workers, more molten solder is needed to fill larger gaps on the steel plates, the solder can be quickly cooled and solidified to be insufficient to infiltrate into gaps between the two steel plates, the molten solder can overflow easily, and the attractive appearance of the steel plates is affected.
The technical scheme of the invention is as follows: the utility model provides a construction is with steel sheet brazing device, includes frame, gyro wheel, pushes away line part, reciprocating motion part, fixed plate, flame arrester, direction elbow and balancing weight, place the steel sheet in the backup pad, placed the frame in the backup pad, frame lower part rotation type is connected with four gyro wheels, be equipped with on the frame and push away line part, it is equipped with reciprocating motion part on the line part to push away, it is equipped with the fixed plate on the line part to push away, the rigid coupling has the flame arrester on the fixed plate, the rigid coupling has the direction elbow on the fixed plate, one side lower part rigid coupling that the fixed plate was kept away from to the frame has the balancing weight.
As a preferable technical scheme of the invention, the wire pushing component comprises a supporting frame, a movable mounting frame, return springs, a pressure plate, a compression spring and a wire spool, wherein two supporting frames are fixedly connected to the upper side face of the frame, the two supporting frames are symmetrically arranged, the movable mounting frame is connected between the two supporting frames in a sliding mode, the two return springs are connected between the movable mounting frame and the supporting frames, a fixed plate is fixedly connected to the lower end of the movable mounting frame, the pressure plate is connected to the upper side face of the movable mounting frame in a sliding mode, the two compression springs are connected between the pressure plate and the movable mounting frame, the wire spool is arranged between the movable mounting frame and the two pressure plates, a brazing filler metal wire is wound on the wire spool, and the lower end of the brazing filler metal wire penetrates through a guide elbow.
As a preferable technical scheme of the invention, the reciprocating motion component comprises a servo motor, a rotating shaft, a roller wheel, a transmission gear, a rotary gear, a push rod and a fixed slotted frame, wherein the servo motor is fixedly arranged at the upper part of the movable mounting frame, the upper part of the movable mounting frame is rotationally connected with two rotating shafts, the rotating shaft positioned above is fixedly connected with an output shaft of the servo motor, the roller wheel is fixedly connected in the middle of the rotating shaft, a brazing wire penetrates through the space between the two roller wheels, the transmission gear is fixedly connected at one end of the rotating shaft far away from the servo motor, the two transmission gears are meshed, the rotary gear is rotationally connected with the rotary gear at one side of the upper part of the movable mounting frame, the transmission gear is positioned above the transmission gear and meshed with the rotary gear, the push rod is fixedly connected at one side of the rotary gear far away from the movable mounting frame, the fixed slotted frame is fixedly connected at the upper side of one support frame, a chute is arranged at the upper part of the fixed slotted frame, and the chute on the fixed slotted frame is slidingly connected with the push rod.
The welding rod scraping device comprises a frame, a welding rod scraping part I, a driving shaft, a driven gear, a cam, a pushing plate frame I, an inclined plane frame I, a homing spring I and a driving rack, wherein the welding rod scraping part I is arranged on the frame and connected with a fixed plate, the welding rod scraping part I comprises an L-shaped connecting rod, a slotted guide plate, a support plate, a transmission shaft, a driven gear and a cam, one side of the slotted guide plate, which is close to the support plate, is connected with the pushing plate frame I in a sliding mode, the pushing plate frame I is symmetrically arranged, the inclined plane frame I is provided with two inclined slots, one side, which is far away from a balancing weight, of the frame is fixedly connected with the two L-shaped connecting rods, the two L-shaped connecting rods are symmetrically arranged, the slotted guide plate is fixedly connected between the lower ends of the two L-shaped connecting rods, the slotted guide plate is fixedly connected with the slotted guide plate, the slotted guide plate is fixedly connected with the support plate, one side, which is close to the support plate is connected with the pushing plate frame I, the inclined plane frame I is in a sliding mode, the inclined plane frame I is provided with two inclined slots, and one side, which is far away from the driving plate is fixedly connected with the driven gear.
As a preferred technical scheme of the invention, the welding flux scraping device further comprises a second welding flux scraping component, wherein the second welding flux scraping component is arranged on the grooved guide plate, the second welding flux scraping component comprises a second pushing plate frame, a second inclined plane frame and a second homing spring, one side, away from the balancing weight, of the grooved guide plate is connected with the second pushing plate frame in a sliding mode, the two pushing plate frames are symmetrically arranged, one side, away from the balancing weight, of the grooved guide plate is connected with the second inclined plane frame in a sliding mode, two inclined slots are formed in the second inclined plane frame, the inclined slots on the second inclined plane frame are connected with the second pushing plate frame in a sliding mode, the cam is in contact with the second inclined plane frame, and the second homing spring is connected between the second inclined plane frame and the grooved guide plate.
As a preferable technical scheme of the invention, the novel self-locking device further comprises a screw, friction plates and inclined guide plates, wherein two screws are connected to one side of the balancing weight, which is far away from the slotted guide plate, through threads, the two screws are symmetrically arranged, the friction plates are rotationally connected to the lower ends of the screws, and the inclined guide plates are fixedly connected to the upper side surfaces of the friction plates and are connected with the balancing weight in a sliding mode.
As a preferable technical scheme of the invention, the device further comprises a vertical plate, a movable frame, rubber clamping strips and compression springs, wherein the two vertical plates are fixedly connected to the upper side face of the balancing weight, the two vertical plates are symmetrically arranged, the movable frame is connected to the vertical plate in a sliding mode and is connected with the balancing weight in a sliding mode, the upper end of the movable frame is contacted with the upper portion of the inclined plane guide plate, the rubber clamping strips are fixedly connected to the lower end of the movable frame, and the compression springs are connected between the movable frame and the vertical plates.
The beneficial effects are that:
1. the brazing filler metal wire is conveyed through the two rolling wheels, the brazing filler metal wire is unreeled through the wire reel, flame is sprayed out of the flame spraying device to heat the lower end of the brazing filler metal wire, the lower end of the brazing filler metal wire is melted, molten brazing filler metal is filled into a gap between two steel plates, and the two steel plates are connected, so that the brazing function of the steel plates can be continuously achieved.
2. The guide elbow reciprocates about and drives the reciprocating motion about the brazing filler metal line lower extreme, and the flame thrower is continuous to the lower extreme of brazing filler metal line and is heated, and the wire reel also is continuous to discharge the brazing filler metal line for in the gap between two steel sheets can be filled more evenly to the molten brazing filler metal, can be in the same place with the welding of two steel sheets that have great breach steadily.
3. The flame thrower can heat the brazing filler metal filled between the two steel plates in a left-right reciprocating mode, so that the brazing filler metal filled between the two steel plates cannot be rapidly cooled and solidified, the flowing brazing filler metal can fully infiltrate into gaps between the two steel plates, and the steel plates can be fully welded.
4. The pushing plate frame II and the pushing plate frame I can not scrape molten solder between the two steel plates at the same time, and the scraping direction between the pushing plate frame II and the pushing plate frame I is inconsistent, so that the molten solder between the two steel plates can be scraped more comprehensively, the molten solder between the two steel plates can be ensured not to overflow, and the welded welding head is smoother and more attractive.
5. The screw rod moves downwards to drive the friction plate to move downwards, so that the friction plate contacts with the upper side surface of the supporting plate, and the friction force between the lower side surface of the friction plate and the upper side surface of the supporting plate is large, so that the frame can be kept stable when the brazing wire moves back and forth for brazing, and the steel plate can be welded stably.
6. The inclined plane deflector moves downwards and can drive two movable frames to move towards the direction that is close to each other, and the movable frames drive two rubber clamping strips to move towards the direction that is close to each other for two steel plates in the two rubber clamping strips clamping support plates, let two steel plates closely laminate, be convenient for weld the steel plate.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic perspective view of a first part of the present invention.
Fig. 4 is a schematic perspective view of a second part of the present invention.
Fig. 5 is a schematic perspective view of a third portion of the present invention.
Fig. 6 is a schematic view of a portion of a three-dimensional structure of a wire reel and a solder wire according to the present invention.
Fig. 7 is a schematic perspective view of a fourth part of the present invention.
Fig. 8 is a schematic perspective view of a fifth part of the present invention.
Fig. 9 is a schematic perspective view of a sixth part of the present invention.
Fig. 10 is a schematic perspective view of a seventh part of the present invention.
Fig. 11 is a schematic perspective view of an eighth portion of the present invention.
Fig. 12 is an enlarged perspective view of fig. 5 a.
Wherein: 1-supporting plate, 2-steel plate, 3-frame, 4-roller, 5-wire pushing component, 51-supporting frame, 52-movable mounting frame, 53-reset spring, 54-pressure plate, 55-compression spring, 56-wire reel, 57-solder wire, 6-reciprocating component, 61-servo motor, 62-rotating shaft, 63-roller, 64-transmission gear, 65-rotating gear, 66-push rod, 67-fixed slotted frame, 7-fixed plate, 8-flame thrower, 9-guide elbow, 10-balancing weight, 11-solder scraping component I, 111-L-shaped connecting rod, 112-slotted guide plate, 113-supporting plate, 114-transmission shaft, 115-driven gear, 116-cam, 117-pushing plate frame I, 118-inclined plane frame I, 1181-reset spring I, 119-driving rack, 12-solder scraping component II, 121-pushing plate frame II, 122-inclined plane frame II, 123-reset spring II, 131-screw, 132-friction plate, 133-inclined plane guide plate, 141-vertical plate, 142-movable frame, rubber clamping bar, 144-compression spring.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
Example 1
The utility model provides a construction is with steel sheet brazing device, shown in fig. 1-12, including frame 3, gyro wheel 4, push away line part 5, reciprocating motion part 6, fixed plate 7, flame thrower 8, direction elbow 9 and balancing weight 10, place steel sheet 2 on the backup pad 1, frame 3 has been placed on the backup pad 1, frame 3 lower part swivelling joint has four gyro wheels 4, be equipped with on the frame 3 and push away line part 5, push away line part 5 and be used for carrying brazing wire 57, be equipped with reciprocating motion part 6 on pushing away line part 5, reciprocating motion part 6 is used for reciprocating motion to the breach department filling molten solder between two steel sheets 2 to weld two steel sheets 2 that have great breach together steadily, be equipped with fixed plate 7 on pushing away line part 5, the rigid coupling has flame thrower 8 on the fixed plate 7, flame thrower balancing weight 8 is used for discharging flame, the rigid coupling has direction elbow 9 on the fixed plate 7, direction elbow 9 is used for leading brazing wire 57, frame 3 keep away from the lower part of fixed plate 7, 10 is used for keeping stable welding to steel sheet 2.
The wire pushing component 5 comprises a supporting frame 51, a movable mounting frame 52, a reset spring 53, a pressure plate 54, a compression spring 55 and a wire spool 56, wherein two supporting frames 51 are fixedly arranged on the upper side face of the frame 3, two supporting frames 51 are symmetrically arranged, the movable mounting frame 52 is connected between the two supporting frames 51 in a sliding mode, two reset springs 53 are connected between the movable mounting frame 52 and the supporting frames 51 through hooks, the lower end of the movable mounting frame 52 is connected with a fixing plate 7 through rivets, the upper side face of the movable mounting frame 52 is connected with the pressure plate 54 in a sliding mode, two compression springs 55 are connected between the pressure plate 54 and the movable mounting frame 52, the wire spool 56 is arranged between the movable mounting frame 52 and the two pressure plates 54, the pressure plate 54 is used for limiting the wire spool 56, a brazing filler metal wire 57 is wound on the wire spool 56, and the lower end of the brazing filler metal wire 57 penetrates through the guide elbow 9.
The reciprocating motion part 6 comprises a servo motor 61, a rotating shaft 62, a rolling wheel 63, a transmission gear 64, a rotating gear 65, a push rod 66 and a fixed slotted frame 67, wherein the servo motor 61 is installed on the upper portion of the movable installation frame 52 through bolts, two rotating shafts 62 are rotatably connected to the upper portion of the movable installation frame 52, the rotating shaft 62 located above is fixedly connected with an output shaft of the servo motor 61, the rolling wheel 63 is fixedly connected to the middle portion of the rotating shaft 62, the brazing wire 57 passes through the space between the two rolling wheels 63, the rolling wheel 63 is used for conveying the brazing wire 57, one end of the rotating shaft 62, far from the servo motor 61, is provided with the transmission gear 64 through a flat key, the two transmission gears 64 are meshed, one side, far from the servo motor 61, of the upper portion of the movable installation frame 52 is rotatably connected with the rotating gear 65, the rotating gear 65 is located above the transmission gear 64 is meshed with the rotating gear 65, one side, far from the rotating gear 65 is welded with the push rod 66, one side, on the side face of the support frame is fixedly provided with the slotted frame 67, and the slotted frame 67 is fixedly connected with the slotted frame 67.
Firstly, a worker places two steel plates 2 to be welded on the upper side surface of a supporting plate 1, pushes a frame 3 and a roller 4 to the supporting plate 1, passes a brazing wire 57 between two rolling wheels 63, and passes a guide elbow 9, so that the lower ends of a flame thrower 8 and the brazing wire 57 are aligned to positions to be welded between the two steel plates 2, the worker starts a servo motor 61 and the flame thrower 8, the servo motor 61 drives a rotating shaft 62, a rolling wheel 63 and a transmission gear 64 which are positioned above to rotate forward through an output shaft, the transmission gear 64 positioned above drives the transmission gear 64, the rolling wheel 63 and the rotating shaft 62 which are positioned below to reverse, the two rolling wheels 63 convey the brazing wire 57, the wire spool 56 unreels the brazing wire 57, flame sprayed by the flame thrower 8 heats the lower ends of the brazing wire 57, the lower ends of the brazing wire 57 are melted, molten brazing filler metal is filled in gaps between the two steel plates 2, and the two steel plates 2 are connected, and the brazing of the steel plates 2 can be continuously performed; when the transmission gear 64 positioned above rotates forwards, the rotating gear 65 and the push rod 66 are driven to rotate reversely, because the fixed slotted frame 67 is kept motionless, when the rotating gear 65 rotates reversely, the push rod 66 and the rotating gear 65 can reciprocate left and right, the rotating gear 65 drives the movable mounting frame 52, the fixed plate 7, the flame thrower 8 and the guide elbow 9 to reciprocate left and right, the guide elbow 9 reciprocates left and right to drive the lower end of the brazing wire 57 to reciprocate left and right, the flame thrower 8 continuously heats the lower end of the brazing wire 57, the wire spool 56 also continuously discharges the brazing wire 57, so that molten brazing filler metal can be filled into a gap between two steel plates 2 more uniformly, two steel plates 2 with larger gaps can be welded together stably, the brazing filler metal filled between the two steel plates 2 can be heated and filled between the two steel plates 2 by left and right reciprocation of the flame thrower 8, so that the brazing filler metal filled between the two steel plates 2 can not be cooled and solidified rapidly, the flowing brazing filler metal can be fully infiltrated into the gap between the two steel plates 2, and the steel plates 2 can be welded fully; when the movable mounting frame 52 reciprocates left and right, the balancing weight 10 can keep the frame 3 balanced, so that the frame 3 is kept motionless, and the steel plate 2 is conveniently and stably welded; after one part between the two steel plates 2 is welded, a worker turns off the servo motor 61 and pushes the frame 3 and the roller 4 to move, so that the next part between the two steel plates 2 is welded conveniently; when the wire 57 is used up, the worker pulls the platen 54 to move upward so that the platen 54 no longer restrains the spool 56, the worker takes out the spool 56, then winds a new wire 57 around the spool 56, then replaces the spool 56 between the platen 54 and the movable mount 52, the worker releases the platen 54, the compression spring 55 drives the platen 54 to reset, and the platen 54 re-restrains the spool 56.
Example 2
On the basis of the embodiment 1, as shown in fig. 1-12, the welding flux scraping component 1 is further included, the welding flux scraping component 11 is arranged on the frame 3 and connected with the fixing plate 7, the welding flux scraping component 11 is used for scraping molten solder between two steel plates 2 in a reciprocating manner, so that the molten solder between the two steel plates 2 cannot overflow, the welded welding joint is smoother and more attractive, the welding flux scraping component 11 comprises an L-shaped connecting rod 111, a slotted guide plate 112, a support plate 113, a transmission shaft 114, a driven gear 115, a cam 116, a pushing plate frame 117, an inclined plane frame 118, a homing spring 1181 and a driving rack 119, two L-shaped connecting rods 111 are welded on one side of the lower part of the frame 3, which is far away from the balancing weight 10, the two L-shaped connecting rods 111 are symmetrically arranged, the slotted guide plate 112 is fixedly arranged between the lower ends of the two L-shaped connecting rods 111, the slotted guide plate 112 is fixedly connected with the support plate 113, the upper part of the support plate 113 is rotationally connected with a transmission shaft 114, a driven gear 115 and a cam 116 are fixedly connected on the transmission shaft 114, one side of the slotted guide plate 112 close to the support plate 113 is slidingly connected with two pushing plate frames 117, the two pushing plate frames 117 are symmetrically arranged, the lower part of the support plate 113 is slidingly connected with an inclined plane frame 118, two inclined slots are formed on the inclined plane frame 118, the inclined slots on the inclined plane frame 118 are slidingly connected with the pushing plate frame 117, the cam 116 is contacted with the upper side surface of the inclined plane frame 118, the cam 116 rotates to intermittently push the inclined plane frame 118 to enable the inclined plane frame 118 to reciprocate up and down, a homing spring 1181 is connected between the inclined plane frame 118 and the support plate 113 through a hook, one side of the fixed plate 7 far away from the balancing weight 10 is fixedly connected with a driving rack 119 and meshed with the driven gear 115, the driving rack 119 reciprocates left and right to drive the driven gear 115 to rotate.
When the fixing plate 7 reciprocates left and right, the fixing plate 7 drives the driving rack 119 to move together, the driving rack 119 drives the driven gear 115 and the transmission shaft 114 to rotate, the transmission shaft 114 drives the cam 116 to rotate, the cam 116 can push the inclined plane frame one 118 to move downwards, the cam 116 continues to rotate and does not push the inclined plane frame one 118 any more, the homing spring one 1181 drives the inclined plane frame one 118 to move upwards and reset and reciprocate in sequence, the inclined plane frame one 118 can reciprocate up and down and drive the two pushing plate frames one 117 to move towards a direction approaching or separating from each other, so that the two pushing plate frames one 117 can scrape molten solder between the two steel plates 2 in a reciprocating manner, the molten solder between the two steel plates 2 can not overflow, and the welded welding head is smoother and more attractive.
Example 3
On the basis of embodiment 2, as shown in fig. 1-12, the device further comprises a second solder scraping component 12, the second solder scraping component 12 is arranged on the grooved guide plate 112, the second solder scraping component 12 is used for scraping molten solder between two steel plates 2 more comprehensively, it is ensured that the molten solder between the two steel plates 2 cannot overflow, the second solder scraping component 12 comprises a second pushing plate rack 121, a second inclined plane rack 122 and a second homing spring 123, one side of the grooved guide plate 112 far away from the balancing weight 10 is slidably connected with the second pushing plate rack 121, the two pushing plate racks 121 are symmetrically arranged, the second pushing plate rack 121 is used for reciprocally scraping the molten solder between the two steel plates 2, one side of the grooved guide plate 112 far away from the balancing weight 10 is slidably connected with the second inclined plane rack 122, the second inclined plane rack 122 is provided with two inclined slots, the inclined slots on the second inclined plane rack 122 are slidably connected with the second pushing plate rack 121, when the second inclined plane rack 122 moves towards the direction close to or far away from the balancing weight 10, the second pushing plate rack 121 is driven by the second pushing plate rack 121 to move towards the direction close to the second inclined plane rack 116 or far away from the inclined plane rack 122 intermittently, and the second cam rack 122 is intermittently contacted with the second inclined plane rack 116.
When the cam 116 rotates, the cam 116 pushes the second inclined plane frame 122 to move in a direction away from the balancing weight 10, the cam 116 continues to rotate and is separated from the second inclined plane frame 122, the reset spring 123 resets to drive the second inclined plane frame 122 to reset in a direction close to the balancing weight 10, when the second inclined plane frame 122 moves in a direction close to or away from the balancing weight 10, the second inclined plane frame 122 drives the second pushing plate frame 121 to move in a direction close to or away from each other, so that the second pushing plate frame 121 reciprocally scrapes molten solder between the two steel plates 2, the second pushing plate frame 121 and the first pushing plate frame 117 cannot scrape molten solder between the two steel plates 2 at the same time, the direction of scraping between the second pushing plate frame 121 and the first pushing plate frame 117 is inconsistent, the molten solder between the two steel plates 2 can be scraped more comprehensively, the molten solder between the two steel plates 2 is guaranteed not to overflow, and simultaneously flame sprayed by the flame sprayer 8 heats the second pushing plate frame 121 and the first pushing plate frame 117, so that the molten solder cannot adhere to the first pushing plate frame 121 and the molten solder.
Example 4
On the basis of embodiment 1, as shown in fig. 1-12, the device further comprises a screw 131, a friction plate 132 and an inclined plane guide plate 133, wherein two screws 131 are connected to one side of the balancing weight 10 far away from the slotted guide plate 112 through threads, the two screws 131 are symmetrically arranged, the friction plate 132 is rotatably connected to the lower end of the screw 131, the friction plate 132 is driven to move downwards by rotation of the rotating screw 131, the friction plate 132 is enabled to be in contact with the upper side surface of the supporting plate 1, and therefore the frame 3 can be kept stable when the brazing wire 57 is subjected to reciprocating brazing, and the inclined plane guide plate 133 is fixedly connected to the upper side surface of the friction plate 132 and is slidably connected with the balancing weight 10.
Before brazing the steel plate 2, a worker rotates the screw 131, the balancing weight 10 keeps motionless, the screw 131 moves downwards, the screw 131 drives the friction plate 132 to move downwards, the friction plate 132 contacts with the upper side face of the supporting plate 1, and the friction force between the lower side face of the friction plate 132 and the upper side face of the supporting plate 1 is large, so that the frame 3 can keep stable when the brazing wire 57 moves back and forth for brazing, and the steel plate 2 can be welded conveniently and stably.
Example 5
On the basis of embodiment 1, as shown in fig. 1-12, the device further comprises a vertical plate 141, a movable frame 142, rubber clamping strips 143 and compression springs 144, wherein two vertical plates 141 are welded on the upper side face of the balancing weight 10, two vertical plates 141 are symmetrically arranged, the movable frame 142 is connected to the vertical plates 141 in a sliding mode and is connected with the balancing weight 10 in a sliding mode, the upper ends of the movable frames 142 are contacted with the upper portions of the inclined plane guide plates 133, the lower ends of the movable frames 142 are fixedly connected with the rubber clamping strips 143, the two rubber clamping strips 143 are used for clamping two steel plates 2 on the supporting plate 1, the steel plates 2 are convenient to weld, and the compression springs 144 are connected between the movable frames 142 and the vertical plates 141 through hooks.
When the friction plate 132 moves downwards, the friction plate 132 drives the inclined plane guide plate 133 to move downwards, the inclined plane guide plate 133 drives the two movable frames 142 to move towards the direction of approaching each other, and the movable frames 142 drive the two rubber clamping strips 143 to move towards the direction of approaching each other, so that the two rubber clamping strips 143 clamp the two steel plates 2 on the support plate 1, the two steel plates 2 are tightly attached, and the steel plates 2 are convenient to weld; after the welding is finished, the worker reversely rotates the screw 131, the screw 131 moves upwards to reset and drives the friction plate 132 and the inclined plane guide plate 133 to reset upwards, the compression spring 144 drives the movable frame 142 and the rubber clamping strip 143 to reset, and the rubber clamping strip 143 does not clamp the welded steel plate 2 any more.
In the description of the present invention, unless otherwise indicated, the meaning of "plurality" is two or more, and the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.