Storage tank wall plate welding and fixing device

Abstract

The utility model discloses a storage tank wall plate welding fixing device which comprises a working table, a material receiving groove is downwards formed in the upper surface of the working table, a limiting rod and a first screw rod are horizontally installed in the material receiving groove in parallel, and the bottoms of two fixing bases which are arranged in a bilateral symmetry mode are arranged on the limiting rod in a sliding and sleeving mode. The right-hand threads and the left-hand threads on the two sides of the first threaded rod are sleeved with the threaded rods respectively. A clamping and fixing assembly is arranged on the fixing seat; discharging openings are formed in the left side and the right side of the bottom of the material receiving groove; a scraping plate is horizontally and movably arranged at the bottom of the material receiving groove and is connected with a driving mechanism; sliding grooves are formed in the positions, on the two sides of the material receiving groove, of the workbench in the left-right direction, the lower end of the movable frame is clamped in the sliding grooves in a sliding mode, and an air extraction opening is formed in the side, facing the workbench, of the movable frame and connected with a negative pressure purifier. According to the device, smoke generated during welding can be effectively collected, welding slag splashed on the working table can be rapidly and effectively removed and collected, and damage to health of welding workers and pollution to the working environment are reduced.

Description

Technical Field

[0001] The utility model belongs to the field of storage tank installation equipment, and in particular relates to a storage tank wall plate welding and fixing device. Background Art

[0002] Storage tanks are important infrastructure commonly used in the chemical industry. The welding of the tank wall panels requires the use of a fixing device to fix them in place before welding the welds. The existing utility model patent with a publication date of 20231205 and a publication number of CN220127969U discloses a tank wall panel welding fixing device, which opens a hole at the bottom of the workbench and uses an exhaust fan to suck in the smoke and slag during welding. Since the suction holes on the bottom of the workbench are fixed in position, the welding smoke cannot be effectively collected, and the welding slag often splashes and adheres to the workbench surface during wall panel welding, requiring regular manual removal. Utility Model Content

[0003] In order to solve the deficiencies of the prior art, the utility model aims to provide a tank wall panel welding fixing device, which can effectively collect the fume generated during welding, and can quickly and effectively remove and collect the welding slag splashed on the work surface, thereby reducing damage to the health of welding workers and pollution to the working environment.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A tank wall panel welding and fixing device comprises a workbench, a material receiving trough is downwardly provided on the upper surface of the workbench, a limit rod and a first screw driven by a first motor are horizontally and parallelly installed in the material receiving trough, and the bottoms of two fixed seats symmetrically arranged on the left and right are slidably sleeved on the limit rod, and are respectively threadedly sleeved on the positive and negative threads on both sides of the first screw; a clamping and fixing assembly is provided on the fixed seat; material discharge ports are provided on the left and right sides of the bottom of the material receiving trough, and the material discharge ports are connected with a waste box under the workbench; a scraper is horizontally movably provided close to the bottom of the material receiving trough, and the scraper is connected to the driving mechanism under the workbench; slide grooves are respectively provided on the left and right directions of the upper edges of the workbench on both sides of the material receiving trough, and the lower end of the movable frame is slidably clamped in the slide groove, and an exhaust port is installed on the movable frame toward the workbench side, and the exhaust port is connected to a negative pressure purifier.

[0006] Preferably, the driving mechanism includes a second screw rod vertically installed on the bottom of the workbench and the scraper, the second screw rod is connected to the second motor power, and the connecting plates fixedly connected on both sides of the scraper rod pass downward through the movable groove opened on the workbench and are threadedly sleeved on the second screw rod.

[0007] Preferably, a first slot hole is horizontally penetrated and perpendicular to the length direction of the slide groove at the bottom of the movable frame, and a second slot hole is vertically connected to the middle of the first slot hole, and two sliding rods are symmetrically arranged in the first slot hole, and the outer ends of the two sliding rods extend out of the first slot hole and abut against the slide groove, and the inner ends of the two sliding rods are connected by tension springs and wedge blocks are fixed above them respectively, and a pressure block is slidably arranged in the second slot hole, and the lower end side surface of the pressure block is provided with an inclined surface matching the wedge block; an eccentric pressure roller is horizontally installed above the second slot hole and is pressed against the top of the pressure block, and the rotating shaft of the eccentric pressure roller extends outward and is vertically fixed with a handle.

[0008] Preferably, a rack is provided on the side wall of the slide groove along its length direction, and an engaging portion provided on the outer end of the slide rod meshes with the rack.

[0009] Preferably, the bottom of the movable frame is supported in the slide groove by a pulley block.

[0010] Preferably, the waste outlet of the negative pressure purifier is connected to a waste tank.

[0011] Preferably, the scraper is of triangular prism design, and blades are provided on both side edges close to the bottom surface of the receiving trough.

[0012] The beneficial effects of the utility model are:

[0013] 1. After the clamping fixing components on the two fixing seats of the utility model fix the corresponding wall panels respectively, under the limit of the limit rod, the first motor drives the first screw to rotate to make the two fixing seats approach each other, thereby realizing the accurate alignment of the two wall panels.

[0014] 2. Driven by the driving mechanism, the scraper can move back and forth left and right close to the bottom of the receiving trough, and the blades arranged on the two sides of the scraper can effectively scrape off the welding slag adhering to the bottom of the receiving trough. The scraper pushes the welding slag to the discharge ports opened on both sides and collects it in the waste box.

[0015] 3. The second motor drives the second screw to rotate forward and backward, and the connecting plate drives the scraper to move left and right in the receiving trough, so that the welding slag in the receiving trough can be sent from the discharge port to the waste box for collection and storage, thereby significantly improving the cleaning efficiency of the welding slag.

[0016] 4. According to the welding position of the wall panel, slide and adjust the position of the mobile frame so that the exhaust port is as close to the welding operation as possible. Under the suction effect of the negative pressure purifier, the fume and flying chips generated by welding can be effectively collected and purified, which can significantly improve the working environment and reduce the health damage to welding workers and the pollution of the working environment.

[0017] 5. After the device pushes the mobile frame to adjust the exhaust port into place, the handle is used to drive the eccentric pressure roller to rotate and push the pressure block downward. Through the cooperation of the pressure block and the wedge block, the two slide bars can be pushed away from each other and the tension spring can be stretched, so that the bite part at the outer end of the slide bar engages with the corresponding rack, thereby realizing the locking and fixing of the mobile frame on the workbench, avoiding the movement of the mobile frame during welding operation and affecting the welding operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a top view of the material receiving trough of the utility model;

[0020] Figure 3 This is a cross-sectional view of the mobile frame and the slideway of the utility model

[0021] Figure 4 It is a cross-sectional view of the scraper of the utility model. DETAILED DESCRIPTION

[0022] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not intended to limit the scope of use of the present invention.

[0023] like Figure 1-4 As shown, the utility model proposes a tank wall panel welding fixing device, including a workbench 1, the upper surface of the workbench 1 is provided with a material receiving groove 11 downward, a limit rod 62 and a first screw rod 61 driven by a first motor are horizontally and parallelly installed in the material receiving groove 11, and the bottoms of two fixed seats 7 arranged symmetrically on the left and right are both slidably sleeved on the limit rod 62, and are respectively threadedly sleeved on the positive and negative threads on both sides of the first screw rod 61; the two fixed seats 7 are respectively provided with clamping and fixing components 71 on the same horizontal line. The clamping and fixing components 71 can adopt a cylinder-driven clamping block structure, or a screw-driven clamping member to clamp the wall panel.

[0024] After the clamping fixing components 71 on the two fixing seats 7 of the device fix the corresponding wall panels respectively, under the limit of the limit rod 62, the first motor drives the first screw 61 to rotate to make the two fixing seats 7 approach each other, thereby achieving accurate alignment of the two wall panels.

[0025] The bottom of the receiving trough 11 is provided with discharge ports 110 on both sides, and the discharge ports 110 are connected to the waste box 5 under the workbench 1. A scraper 43 is provided horizontally and movably close to the bottom of the receiving trough 11, and the scraper 43 is connected to the driving mechanism under the workbench 1; the scraper 43 is a triangular prism design, and blades 431 are provided at the edges on both sides of the bottom surface of the receiving trough 11. Driven by the driving mechanism, the scraper 43 can be moved back and forth close to the bottom surface of the receiving trough 11, and the blades 431 provided at the edges on both sides below the scraper can effectively remove the welding slag adhered to the bottom surface of the receiving trough 11, and the scraper 43 pushes the welding slag to the discharge ports 110 opened on both sides, and collects it in the waste box 5.

[0026] The driving mechanism includes a second screw rod 4 vertically mounted on the bottom of the workbench 1 and the scraper 43, the second screw rod 4 is connected to the power of the second motor 42 that can move forward and backward, the front and rear ends of the scraper 43 are fixedly connected to the U-shaped connecting plate 41, the vertical part of the connecting plate 41 goes through the movable groove opened on the workbench 1 downward, and the horizontal part of the connecting plate 41 is threadedly sleeved on the second screw rod 4. The second motor 42 drives the second screw rod 4 to rotate forward and backward, and the connecting plate 41 drives the scraper 43 to move left and right in the receiving trough 11, so that the welding slag in the receiving trough 11 can be sent from the discharge port 110 to the waste box 5 for collection and storage, thereby significantly improving the cleaning efficiency of the welding slag.

[0027] The workbench 1 on both sides of the receiving trough 11 is provided with a chute 12 in the left and right directions, the lower end of the mobile frame is slidably clamped in the chute 12, and the bottom of the mobile frame is supported in the chute 12 by a pulley 21 group, which can reduce the moving resistance of the mobile frame in the chute 12. An air suction port 3 is installed on the mobile frame toward the side of the workbench 1, and the air suction port 3 is connected to a negative pressure purifier 31. The waste discharge port of the negative pressure purifier 31 is connected to the waste box 5, and the collected waste slag can be discharged into the waste box 5 for centralized collection. In this embodiment, the negative pressure purifier 31 adopts an electric welding fume purifier 31 with a purification function. According to the welding position of the wall panel, the position of the mobile frame is slidably adjusted so that the air suction port 3 is as close to the welding operation as possible. Under the suction action of the negative pressure purifier 31, the fume and flying chips generated by welding can be effectively collected and purified, thereby significantly improving the working environment and reducing the damage to the health of welding workers and the pollution of the working environment.

[0028] A first slot hole 201 is provided horizontally and perpendicularly to the length direction of the slide 12 at the bottom of the moving frame. A second slot hole 202 is vertically connected to the middle of the first slot hole 201. Two slide bars 81 are symmetrically provided in the first slot hole 201. A rack 121 is provided along the length direction of the slide 12. The outer ends of the two slide bars 81 extending out of the first slot hole 201 are provided with a bite portion 812, which meshes with the corresponding rack 121. The inner ends of the two slide bars 81 are connected by a tension spring 82 and a wedge block 811 is fixed above each of them. A pressure block 83 is slidably provided in the second slot hole 202. The lower end side of the pressure block 83 is provided with an inclined surface matching the wedge block 811. An eccentric pressure roller 84 is horizontally installed above the second slot hole 202 and is pressed against the top of the pressure block 83. The rotating shaft of the eccentric pressure roller 84 extends outward and is vertically fixed with a handle 85.

[0029] After the device pushes the movable frame to adjust the exhaust port 3 to the right position, the handle 85 is used to drive the eccentric pressure roller 84 to rotate and push the pressure block 83 to move downward. Through the cooperation of the pressure block 83 and the wedge block 811, the two slide bars 81 can be pushed away from each other and the tension spring 82 can be stretched, so that the bite portion 812 at the outer end of the slide bar 81 is engaged with the corresponding rack 121, thereby realizing the locking and fixation of the movable frame on the workbench 1, and preventing the movement of the movable frame during welding operation from affecting the welding operation.

[0030] When using the utility model, the tank wall panels are fixed on the fixing seat 7 respectively, and the first motor is started so that the fixing seat 7 drives the tank wall panels to approach the alignment position; the movable frame is pushed to adjust the air extraction port 3 to the welding position and the movable frame is locked and fixed by the mechanism action of the handle 85 and the like. During the welding operation, under the suction action of the negative pressure purifier 31, the fume and flying chips generated by welding are effectively collected and purified through the air extraction port 3. The welding slag splashed in the receiving trough 11 is driven by the driving mechanism to reciprocate the scraper 43 left and right, and the welding slag is sent to the waste box 5 through the discharge port 110 for centralized collection.

[0031] Obviously, the embodiments described above are only some embodiments of the present application, rather than all embodiments. The preferred embodiments of the present application are given in the accompanying drawings, but they do not limit the patent scope of the present application. The present application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to perform equivalent replacement of some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of this application, directly or indirectly used in other related technical fields, is similarly within the scope of patent protection of this application.

Claims

1. A tank wall panel welding and fixing device, comprising a workbench, characterized in that: A material receiving trough is provided downwardly on the upper surface of the workbench, and a limit rod and a first screw driven by a first motor are installed horizontally and parallelly in the material receiving trough, and the bottoms of two fixed seats symmetrically arranged on the left and right are slidably sleeved on the limit rod, and are respectively threadedly sleeved on the positive and negative threads on both sides of the first screw; a clamping and fixing assembly is provided on the fixed seat; material discharge ports are provided on the left and right sides of the bottom of the material receiving trough, and the material discharge ports are connected with the waste box under the workbench; a scraper is provided horizontally and movably close to the bottom of the material receiving trough, and the scraper is connected to the driving mechanism under the workbench; slide grooves are respectively provided on the left and right directions of the upper edges of the workbench on both sides of the material receiving trough, and the lower end of the moving frame is slidably clamped in the slide groove, and an exhaust port is installed on the moving frame facing the workbench side, and the exhaust port is connected to the negative pressure purifier.

2. The tank wall panel welding and fixing device according to claim 1 is characterized in that: The driving mechanism includes a second screw rod vertically installed on the bottom of the workbench and the scraper, the second screw rod is connected to the second motor power, and the connecting plates fixedly connected on both sides of the scraper rod downwardly penetrate the movable groove opened on the workbench and are threadedly sleeved on the second screw rod.

3. The tank wall panel welding and fixing device according to claim 1 is characterized in that: A first slot hole is horizontally opened at the bottom of the movable frame and is perpendicular to the length direction of the slide slot. A second slot hole is vertically connected to the middle of the first slot hole. Two sliding rods are symmetrically arranged in the first slot hole. The outer ends of the two sliding rods extend out of the first slot hole and abut against the slide slot. The inner ends of the two sliding rods are connected by tension springs and wedge blocks are fixed above them respectively. A pressure block is slidably arranged in the second slot hole, and the lower end side surface of the pressure block is provided with an inclined surface matching the wedge block; an eccentric pressure roller is horizontally installed above the second slot hole and is pressed against the top of the pressure block. The rotating shaft of the eccentric pressure roller extends outward and is vertically fixed with a handle.

4. The tank wall plate welding and fixing device according to claim 3 is characterized in that: The side wall of the slide groove is provided with a rack along its length direction, and the engaging portion arranged at the outer end of the slide rod is meshed with the rack.

5. The tank wall plate welding and fixing device according to claim 3 is characterized in that: The bottom of the movable frame is supported in the slide groove through a pulley block.

6. The tank wall plate welding and fixing device according to claim 1 is characterized in that: The waste outlet of the negative pressure purifier is communicated with the waste box.

7. The tank wall plate welding and fixing device according to claim 3 is characterized in that: The scraper is designed in a triangular prism shape, and blades are arranged at the edges on both sides close to the bottom surface of the receiving trough.

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