CN210524307U - Assembly welding positioning tool for double-shaft type stirring boiler barrel - Google Patents
Assembly welding positioning tool for double-shaft type stirring boiler barrel Download PDFInfo
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- CN210524307U CN210524307U CN201921641362.3U CN201921641362U CN210524307U CN 210524307 U CN210524307 U CN 210524307U CN 201921641362 U CN201921641362 U CN 201921641362U CN 210524307 U CN210524307 U CN 210524307U
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Abstract
A positioning tool for assembly welding of a double-shaft type stirring boiler barrel comprises an assembly welding platform, enclosing plate heightening supports, side plates, a seat plate positioning stand column assembly, a side plate positioning pull rod assembly, side plate enclosing plate outer side fixing devices, side plate enclosing plate inner side fixing devices and side plate pressing devices, wherein the enclosing plate heightening supports are arranged on the upper surface of the assembly welding platform in two numbers and are oppositely arranged; from this, the utility model is used for size, precision positioning when the stirring drum barrel assembly welding, welding deformation when the effective control assembly welding has guaranteed the design and the technological requirement of size permissible error and shape deviation after the stirring drum barrel welding, saves subsequent machining process, has shortened the preparation cycle, has reduced the cost of manufacture.
Description
Technical Field
The utility model relates to a technical field of biax agitated kettle especially relates to a can be used for pitch agitated vessel's a biax agitated vessel barrel assembly welding location frock.
Background
The stirring pot is used as a key part of the asphalt mixing plant, the yield and the quality of the asphalt mixture are directly influenced, and the good manufacturing and assembling precision of the stirring pot barrel body is the guarantee that the stirring pot stably runs for a long time and the fault downtime is reduced. The fixed mechanical seal of the cylinder body of the double-shaft 6000-type stirring pot is in clearance fit with the mechanical seal connecting flange, and the mechanical seal connecting flange is welded on the side plate; the fixed mechanical seal and the movable mechanical seal have a 3mm gap on the diameter, and in order to keep normal operation, the coaxiality of the matching of the inner holes of the connecting flanges of the mechanical seals at the two sides, the bearing seat, the mounting hole of the speed reducer and the main shaft must be ensured
Considering the influence of thermal deformation on the stirring drum body in the welding process, the coaxiality requirements of the design and installation can be met only by performing boring processing on a boring machine after the welding is finished. However, the stirring pot has a large integral structure, so that a large machine tool is required for processing, the cost is high, and the manufacturing period is prolonged.
Therefore, the utility model discloses a designer has in view of above-mentioned defect, through careful study and design, the study design is used for biax type agitated kettle barrel assembly welding location frock to overcome above-mentioned defect, need not go up boring machine processing after the welding and just can guarantee axiality, depth of parallelism and biax interval tolerance of agitated kettle barrel, can directly carry out the equipment assembly process of agitated kettle totality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for biax formula agitated kettle barrel assembly welding positioning frock, its simple structure, reasonable, welding deformation when control biax formula agitated kettle barrel assembly welding that can be better guarantees agitated kettle barrel structure precision, saves subsequent machining process, has shortened the preparation cycle, has reduced the cost of manufacture.
In order to solve the problem, the utility model discloses a be used for biax formula stirring boiler barrel assembly welding location frock, including assembly welding platform, bounding wall increase support, curb plate and bedplate locating column subassembly, curb plate location pull rod subassembly, curb plate bounding wall outside fixing device, the inboard fixing device of curb plate bounding wall and sideboard closing device, its characterized in that:
the apron increases the upper surface that the support was located the assembly and welding platform for two and relatively, curb plate and bedplate location stand subassembly are four groups, and two liang of a set of is relative to be set up, the upper surface of assembly and welding platform reaches four peripheral outer fringe intervals that the apron increases the support and corresponds the agitator kettle are equipped with a plurality of curb plate apron outside fixing device, are equipped with sideboard closing device between every peripheral a plurality of curb plate apron fixing device, correspond each curb plate apron outside fixing device and sideboard closing device's agitator kettle inboard and be equipped with curb plate apron inboard fixing device respectively and thus effectively fix the bottom of agitator kettle curb plate and agitator kettle arc bounding wall.
Wherein: curb plate and bedplate location stand subassembly contains location stand, location hollow shaft, curb plate tray, bedplate tray and bedplate tray pull rod, location stand detachable is fixed in the assembly welding platform, the location hollow shaft penetrates the round hole on location stand upper portion, the location hollow shaft outwards extends and the other end is equipped with unloads the axle sleeve pipe from the location stand, the hole cooperation of curb plate tray sets up in the outer fringe of location hollow shaft and the front end riser outside of location hollow shaft, the outer fringe of curb plate tray respectively with the hole cooperation of agitator kettle curb plate and agitator kettle mechanical seal flange, bedplate tray sets up in the outer fringe of location hollow shaft with the curb plate tray at a certain distance apart setting and hole cooperation, the outer fringe of bedplate tray respectively with agitator kettle speed reducer fixed plate and agitator kettle shaft bearing seat board hole cooperation.
Wherein: the base plate tray is fixedly connected with the threaded holes of the mechanical sealing connecting flange of the stirring pot through a plurality of base plate tray pull rods.
Wherein: the bottom plate interval of positioning column is equipped with a plurality of bolt holes in order to be fixed in the assembly welding platform through positioning column fixing bolt, and is equipped with two at least relative positioning pin holes that set up to fix a position through locating pin 0.
Wherein: the outer edge of the positioning tubular shaft between the side plate tray and the seat plate tray is provided with a positioning tubular shaft protective sleeve, and the outer edge of the seat plate tray pull rod is provided with a seat plate tray pull rod protective sleeve.
Wherein: the side plate positioning pull rod assembly comprises a middle positioning pipe, screw rods are arranged at two ends of the positioning pipe respectively, one end of each screw rod is fixed to the positioning pipe, and hexagonal nuts located on two sides of the side plate of the stirring pot are arranged on the screw rods to achieve fixing.
Wherein: the side plate surrounding plate outer side fixing device comprises a jacking hexagon head bolt, a screw hole positioning block, a fixed inner hexagon bolt and a jacking wedge block, the screw hole positioning block is fixed on the assembly welding platform through the fixed inner hexagon bolt at the lower end, the screw hole positioning block is provided with a screw hole for screwing the jacking hexagon head bolt, the rear end of the jacking wedge block is abutted against the head of the jacking hexagon head bolt, and the front end of the jacking wedge block is connected to the side plate of the stirring pot.
Wherein: the side plate pressing device comprises a pressing plate, a pressing bolt and a cushion block, wherein the assembly welding platform is provided with a threaded hole for the pressing bolt to be screwed in, the pressing plate is sleeved on the pressing bolt, the inner end of the pressing plate is pressed against the flange side plate around the upper end of the stirring pot, and the outer end of the pressing plate is pressed against the cushion block.
Wherein: the inner side fixing device of the side plate enclosing plate comprises an inner side positioning block and a fixing bolt, the inner side positioning block is connected to the assembly welding platform 1 through the fixing bolt, and the side face of the assembly welding platform is attached to the side plate of the stirring pot and the arc enclosing plate.
Wherein: and the auxiliary backing plate is arranged between the lower edge of the side plate of the stirring pot or the arc-shaped enclosing plate of the stirring pot and the assembly and welding platform at intervals.
According to the structure, the utility model discloses a be used for biax formula stirring boiler barrel assembly welding positioning fixture has following effect:
1. the double-shaft type stirring pot cylinder body positioning device is simple and reasonable in structure, the mechanical seal connecting flange holes in the side plates of the double-shaft type stirring pot cylinder body can be used as positioning references, the positioning references are reliable and accurate, and the structural precision of the stirring pot cylinder body is guaranteed.
2. The welding deformation of the double-shaft stirring pot cylinder during assembly welding can be effectively controlled, the allowable error and form and position tolerance of each size of the assembly welding stirring pot cylinder are guaranteed, and the design requirements and the service performance requirements are completely met.
3. The positioning device is used for positioning the size and precision of the stirring pot cylinder during assembly welding, not only ensures the coaxiality of the assembly holes on the stirring pot side plate, the speed reducer fixing plate and the bearing seat plate which are matched with the corresponding shaft diameters of the same main shaft, but also ensures the equal-height position tolerance, the spacing tolerance and the parallelism of the two holes of the two main shaft hole central lines of the two side plates, and also ensures the verticality of the stirring pot side plate, and simultaneously effectively controls the welding deformation during assembly welding of the double-shaft stirring pot cylinder.
4. The mounting and dismounting are convenient, the design and the process requirements of the size allowable error and the shape deviation after the stirring boiler barrel is welded are effectively guaranteed, the subsequent machining process is omitted, the manufacturing period is shortened, and the manufacturing cost is reduced.
The details of the present invention can be obtained from the following description and the attached drawings.
Drawings
Fig. 1 shows a three-dimensional schematic diagram of the assembly welding positioning tool for a double-shaft stirring drum body of the utility model.
Fig. 2 shows a front view of the assembly welding positioning tool for a double-shaft type stirring drum body of the present invention.
Fig. 3 shows a left side view of the present invention.
Fig. 4 shows a top view of the present invention.
Fig. 5A and 5B show a front view and a left side view of the positioning column of the present invention.
Fig. 6 shows the assembly relationship diagram of the positioning column during assembly welding of the utility model.
Fig. 7 shows a partial cross-sectional view of B-B in fig. 3.
Fig. 8 shows a partial view of C in fig. 6.
Fig. 9 shows a partial enlarged view of i in fig. 3.
Fig. 10 shows a partial cross-sectional view of D-D in fig. 4.
Fig. 11 shows a partial cross-sectional view of E-E in fig. 4.
Reference numerals:
1, assembling a welding platform; 2, heightening a support by a coaming; 3 positioning the upright post component by the side plate and the seat plate; 3-1, positioning the upright post; 3-2 positioning the tubular shaft; 3-3 side plate trays; 3-4 seat plate trays; 3-5 positioning the tubular shaft protective sleeve; 3-6, disassembling the shaft sleeve; 3-7 seat board tray pull rods; 3-8 seat plate tray pull rod protective sleeves; 3-9 positioning the upright post fixing bolt; 3-10 positioning pins; 3-11 side plate tray fixing bolts; 3-12 positioning pipe shaft fixing bolts; 4, positioning the pull rod assembly by the side plate; 4-1, positioning a tube; 4-2 hexagonal nuts; 4-3 screw rods; 5, fixing devices at the outer sides of the side plate enclosing plates; 5-1, tightly jacking the hexagon head bolt; 5-2 screw hole positioning blocks; 5-3, fixing the hexagon socket head cap screw; 5-4, tightly propping the wedge block; 6, fixing devices at the inner sides of the side plate enclosing plates; 6-1 inner side positioning blocks; 6-2 fixing bolts; 7, a side plate pressing device; 7-1, pressing a plate; 7-2, pressing the bolt; 7-3 cushion blocks; 8, stirring a side plate of the pan; 9, arc-shaped coaming plates of the stirring pot; 10 fixing plate of speed reducer of stirring pot; 11 a bearing seat plate of the stirring pot; 12 flange side plates are arranged around the upper end of the stirring pot; 13 vertical rib plates of the stirring pot; 14 transverse rib plates of the stirring pot; 15, mechanically sealing the stirring pot to connect with a flange; 16 the welding process assists the backing plate.
Detailed Description
Referring to fig. 1 to 11, the assembly welding positioning tool for a double-shaft type stirring boiler barrel of the present invention is shown.
Referring to fig. 1 to 4, the tooling for assembling, welding and positioning the double-shaft stirring boiler barrel body can comprise an assembling and welding platform 1, a coaming heightening support 2, a side plate and seat plate positioning upright post assembly 3, a side plate positioning pull rod assembly 4, a side plate coaming outer side fixing device 5, a side plate coaming inner side fixing device 6, a coaming pressing device 7 and the like, wherein the assembling and welding platform 1 is used as a platform for bearing other structures, the platform can be a standard rivet welding platform, the planeness is less than or equal to 0.2mm, and the coaming heightening supports 2 are two and are oppositely arranged on the upper surface of the assembling and welding platform 1 so as to be used for positioning two arc coamings of the stirring boiler.
Wherein the side plate and seat plate positioning post assemblies 3 are four sets, two by one set are oppositely arranged, and referring to the embodiment of figures 5A and 5B and figure 6, the side plate and seat plate positioning upright post component 3 comprises a positioning upright post 3-1, a positioning tubular shaft 3-2, a side plate tray 3-3, a seat plate tray 3-4 and a seat plate tray pull rod 3-7, the positioning upright post 3-1 is detachably fixed on the assembly welding platform 1, a plurality of bolt holes are arranged at intervals on the bottom plate of the positioning upright post 3-1 to be fixed on the assembly welding platform 1 through positioning upright post fixing bolts 3-9, and at least two positioning pin holes are arranged oppositely, the vertical plate at the front end of the positioning upright post 3-1 is tightly attached to the inner side surface of the stirring pot side plate 8 so as to ensure the space size of the stirring pot side plate 8. Referring to fig. 7 and 8, the positioning pipe shaft 3-2 penetrates into a round hole at the upper part of the positioning upright post 3-1, and a flange at one end of the positioning pipe shaft 3-2 is connected with the positioning upright post 3-1 through a plurality of positioning pipe shaft fixing bolts 3-12 arranged at intervals, the positioning pipe shaft 3-2 extends outwards from the positioning upright post 3-1, the other end of the positioning pipe shaft is provided with a shaft unloading sleeve 3-6, the inner hole of the side plate tray 3-3 is arranged at the outer edge of the positioning pipe shaft 3-2 and the outer side of the front end vertical plate of the positioning pipe shaft 3-2 in a matching way, the outer edges of the side plate trays 3-3 are respectively matched with the inner holes of the stirring pot side plate 8 and the stirring pot mechanical seal connecting flange 15, and the side plate tray 3-3 is provided with a plurality of through holes to be connected with the positioning upright post 3-1 through a side plate tray fixing bolt 3-11. The base plate tray 3-4 and the side plate tray 3-3 are arranged at a certain distance and are provided with inner holes matched with the outer edge of the positioning tubular shaft 3-2, the outer edge of the base plate tray 3-4 is respectively matched with the inner holes of a fixing plate 10 of a speed reducer of the stirring pot and a base plate 11 of a bearing seat of the stirring pot, and the base plate tray 3-4 is fixedly connected with a threaded hole on a mechanical sealing connecting flange 15 of the stirring pot through a plurality of base plate tray pull rods 3-7.
The positioning pipe shaft 3-2 is provided with a positioning pipe shaft protective sleeve 3-5 at the outer edge between the side plate tray 3-3 and the seat plate tray 3-4, and the seat plate tray pull rod protective sleeve 3-8 is arranged at the outer edge of the seat plate tray pull rod 3-7.
The upper surface of the assembly welding platform 1 and the four peripheral outer edges of the enclosing plate heightening support 2 corresponding to the stirring pot are provided with a plurality of side plate enclosing plate outer side fixing devices 5 at intervals, an edge plate pressing device 7 is arranged between the plurality of side plate enclosing plate fixing devices 5 at each periphery, and the inner sides of the stirring pot corresponding to the side plate enclosing plate outer side fixing devices 5 and the edge plate pressing device 7 are respectively provided with a side plate enclosing plate inner side fixing device 6, so that the bottoms of the stirring pot side plates 8 and the stirring pot arc-shaped enclosing plates 9 are effectively fixed.
Referring to fig. 3 and 9, the side plate positioning pull rod assemblies 4 are in multiple groups and include a middle positioning tube 4-1, a plurality of hexagon nuts 4-2 and a screw rod 4-3 which is in screw fit with the hexagon nut 4-2 and extends outwards through the side plate of the mixing pan are respectively arranged at two ends of the positioning tube 4-1, one end of the screw rod 4-3 is fixed to the positioning tube 4-1 in a screw manner, the hexagon nuts positioned at two sides of the side plate of the mixing pan are arranged on the screw rod 4-3 to achieve fixing, and the positioning nuts are welded at one end of the screw rod 4-3 to be screwed in and out. Therefore, 12 connecting holes for mounting the lining plate on the side plate 8 of the stirring pot are utilized to penetrate the side plate positioning pull rod assembly to adjust, position and fix the side plate of the stirring pot.
Referring to fig. 10, the outer side fixing device 5 for the side plate coaming comprises a tightening hexagon head bolt 5-1, a screw hole positioning block 5-2, a fixed inner hexagon bolt 5-3 and a tightening wedge 5-4. The screw hole positioning block 5-2 is fixed on the assembly welding platform 1 through a fixed inner hexagon bolt 5-3 at the lower end, the screw hole positioning block 5-2 is provided with a screw hole for screwing the tightening hexagon head bolt 5-1, the rear end of the tightening wedge block 5-4 is abutted against the head of the tightening hexagon head bolt 5-1, and the front end of the tightening wedge block is connected with the side plate 8 of the stirring pot.
Referring to fig. 11, the side plate pressing device 7 comprises a pressing plate 7-1, a pressing bolt 7-2 and a cushion block 7-3, a threaded hole for screwing and fixing the pressing bolt 7-2 is formed in the assembly welding platform 1, the pressing plate 7-1 is sleeved on the pressing bolt 7-2, the inner end of the pressing plate is pressed against the flange side plate 12 on the periphery of the upper end of the stirring pot, and the outer end of the pressing plate is pressed against the cushion block 7-3.
Referring to fig. 10 and fig. 11, the inner side fixing device 6 for the side plate coaming comprises an inner side positioning block 6-1 and a fixing bolt 6-2, the inner side positioning block 6-1 is connected to the assembly welding platform 1 through the fixing bolt 6-2, and the side surface is attached to the side plate and the arc coaming of the stirring pot.
Wherein, the welding process auxiliary backing plate 16 which is arranged between the lower edge of the side plate 8 or the arc-shaped coaming 9 of the stirring pan and the assembly and welding platform 1 at intervals can also be included.
Therefore, the utility model discloses an above-mentioned each part, can effectively seal flange 15 to agitator kettle curb plate 8, agitator kettle arc bounding wall 9, agitator kettle speed reducer fixed plate 10, agitator kettle bearing seat bedplate 11 and agitator kettle machinery and pinpoint, guarantee the axiality of the mounting hole on the same axis on agitator kettle curb plate, speed reducer fixed plate, the bearing seat bedplate, the depth of parallelism and the weld forming quality of two axes.
Wherein, the utility model discloses in be used for the fixed process flow of biax formula agitated kettle barrel assembly welding, can contain following step:
the method comprises the following steps: detecting the assembly welding platform 1;
the flatness of the detection assembly welding platform 1 is less than or equal to 0.2 mm.
Step two: mounting a coaming heightening support 2 and a positioning upright post 3-1;
and a substep A: and placing the two coaming heightening supports 2 on the position of the assembly welding platform 1, and fixing the coaming heightening supports by using bolts.
And a substep B: placing 4 positioning upright columns 3-1 on the assembly welding platform 1 in pairwise symmetry, and preliminarily fixing each positioning upright column 3-1 and the assembly welding platform 1 by using positioning upright column fixing bolts 3-9 without screwing temporarily;
and a substep C: the upper boring and milling machine workbench detects the length, width and diagonal dimensions among 4 positioning upright columns 3-1, the guarantee error is less than or equal to 0.15, the flatness deviation of each plane, the mutual perpendicularity deviation and parallelism deviation among the planes formed by the 4 positioning upright columns 3-1 are detected to be less than or equal to 0.15mm, the perpendicularity deviation of each plane to the plane of the tool platform is less than or equal to 0.15mm, the coaxiality deviation of each hole of the two positioning upright columns 3-1 on the same axis is less than or equal to 0.12, and the parallelism deviation of the two axes is less than or equal to 0.15.
And a substep D: after confirming that all the dimensions and form and position tolerances meet the requirements, tightening the positioning upright post fixing bolts 3-9, drilling into positioning pin holes, and assembling the positioning pins 3-10.
Step three: and (3) installing and adjusting the assembly welding platform 1, the coaming heightening support 2 and the positioning upright post 3-1 assembly.
The assembly welding platform 1 with the coaming heightening support 2 and the positioning upright post 3-1 installed is horizontally placed on the ground, and a leveling instrument and a base plate are used for adjusting the levelness of the assembly welding platform 1.
Step four: and assembling the side plate 8 of the stirring pot.
And a substep A: the two stirring pot side plates 8 are lifted and vertically placed on the assembly and welding platform 1 in a reverse buckling mode respectively, a welding process auxiliary base plate 16 with the thickness of 5mm is filled between the stirring pot side plates 8 and the assembly and welding platform 1 in a segmented mode (a right-angle welding seam with the length of a welding leg of 5mm is formed naturally when the stirring pot side plates 8 are welded with the flange side plates 12 on the periphery of the upper end of the stirring pot), and the inner side faces of the stirring pot side plates 8 are attached to the front end vertical column face of the positioning upright column 3-1 and the inner side positioning blocks 6-1.
And a substep B: by drilling the side panels 8 of the mixing pan with lining panels
And the connecting holes symmetrically penetrate through 12 side plate positioning pull rod assemblies 4, the distance between the side plates 8 of the stirring pot is measured, and after the round holes of the side plates 8 of the stirring pot are adjusted by taking the round holes of the positioning upright posts 3-1 as a reference, the side plate positioning pull rod assemblies 4 and the side plate enclosing plate outer side fixing devices 5 are fastened for positioning.
And a substep C: the positioning pipe shaft 3-2 penetrates through a round hole of the positioning upright post 3-1, the plane of a flange on the inner side of the positioning pipe shaft 3-2 is tightly attached to a vertical cylindrical surface at the rear end of the positioning upright post 3-1, and the positioning pipe shaft is connected with the positioning upright post 3-1 through a positioning pipe shaft fixing bolt 3-11. The inner hole of the side plate tray 3-3 is matched with the positioning tubular shaft 3-2, and the excircle is respectively attached to the side plate 8 of the stirring pot and is connected with the front end upright post face of the positioning upright post 3-1 through the side plate tray fixing bolt 3-12.
Step five: assembling an arc-shaped coaming 9 of the stirring pot;
reversely buckling two stirring pot arc-shaped surrounding plates 9 on arc edges of stirring pot side plates 8, wherein straight edges of the stirring pot arc-shaped surrounding plates 9 are tightly attached to the upper plane of the surrounding plate heightening support 2, the inner side surfaces of the stirring pot arc-shaped surrounding plates are attached to inner side positioning blocks 6-1, and the outer side surfaces of the stirring pot arc-shaped surrounding plates are positioned by a side plate surrounding plate outer side fixing device 5;
step six: after the detection and adjustment are carried out in place, the arc-shaped coaming 9 of the stirring pot and the side plate 8 of the stirring pot are spot-welded into a cylinder body;
step seven: spot welding the flange side plate 12 around the upper end of the stirring pot and forming the cylinder;
step eight: the side plates of the stirring pot and the arc-shaped enclosing plates of the stirring pot are welded and formed in a solid mode, and the flange side plates 12 around the upper end of the stirring pot and the cylinder are welded and formed in a solid mode;
step nine: after the stirring pot cylinder body is cooled, assembling the processed mechanical sealing connecting flange 15 of the stirring pot with the side plate tray 3-3, and fixing the mechanical sealing connecting flange with the side plate 8 of the stirring pot by spot welding after the mechanical sealing connecting flange is tightly attached; marking to determine the positions of the vertical rib plate 13 and the horizontal rib plate 14 of the stirring pot, and fixing by spot welding; the stirring pot speed reducer fixing plate 9 and the stirring pot bearing seat plate 11 are respectively assembled with a stirring pot vertical rib plate 13, inner holes of 4 seat plate trays 3-4 are matched with a positioning tubular shaft 3-2, outer circles of the inner holes of the stirring pot speed reducer fixing plate 10 and the stirring pot bearing seat plate 11 are matched, and after the installation is finished, the seat plate tray 3-4 is fixed on a bolt hole corresponding to a stirring pot mechanical seal connecting flange 15 by using a seat plate tray pull rod 3-5. Wherein, the seat plate tray pull rod protective sleeves 3-7 and the positioning tubular shaft protective sleeves 3-8 are respectively used for protecting the outer surfaces of the seat plate tray pull rods 3-5 and the positioning tubular shafts 3-2 from being damaged by welding slag generated by welding and need to be installed in advance. And respectively fixing the stirring pan speed reducer fixing plate 10 and the stirring pan bearing seat plate 11 with the stirring pan vertical rib plate 13 in a spot welding manner.
Step ten: and welding the vertical rib plate 13 of the stirring pot, the transverse rib plate 14 of the stirring pot, the mechanical sealing connecting flange 15 of the stirring pot, the speed reducer fixing plate 10 of the stirring pot and the bearing seat plate 11 of the stirring pot with the cylinder body in sequence from inside to outside. And (4) controlling the welding deformation and correcting the shape after welding.
Step eleven: and after welding is finished, sequentially removing all groups of welding tools. The copper bar is used for knocking the shaft unloading sleeve 3-6, so that the positioning pipe shaft 3-2 can be detached.
Although the utility model discloses mainly to 6000 type agitated kettle, but also be applicable to two kinds of model agitated kettles of 5000 types and 4000 types, can satisfy the assembly welding design, the technological requirement of the biax type agitated kettle barrel of three kinds of different models of 6000 type, 5000 types and 4000 type.
The positioning upright posts are of a double-upright-plate structure, the front end upright plates are tightly attached to the inner sides of the two side plates of the stirring pot, and the outer edge of the side plate tray is in a step shape so as to fit and assemble the side plates of the stirring pot and the mechanical sealing connecting flange of the stirring pot with different clearance fit sizes.
The outer edge of the base plate tray is in clearance fit with an inner hole of a speed reducer fixing plate of the stirring pot and an inner hole of a bearing base plate of the stirring pot, and the pull rod of the base plate tray penetrates through a unthreaded hole in the base plate tray and a corresponding process screw hole in a mechanical sealing connecting flange of the stirring pot to be screwed in, so that the speed reducer fixing plate is positioned.
The positioning pipe shaft penetrates through the rear end vertical plate, the front end vertical plate, the side plate tray and the seat plate tray of the positioning upright column respectively, and the coaxiality and the height of the axis of a single pipe shaft are realized by adopting the structures of the front vertical plate and the rear vertical plate and the matching sizes, so that the coaxiality and the height of a main shaft hole in the single side plate of the stirring pot are also ensured. The 4 groups of positioning upright column assemblies ensure the coaxiality, parallelism, height, hole spacing and tolerance requirements of every two main shaft holes on two symmetrical side plates of the whole stirring pot.
And two ends of the positioning pipe of the side plate positioning pull rod assembly can be respectively welded with a hexagon nut. The screw rod of the side plate positioning pull rod assembly is not welded with one end of the nut, and penetrates through the lining plate connecting hole on the side plate of the stirring pot, the screw rods on two sides of the lining plate connecting hole of the side plate are respectively screwed into a hexagonal nut, and then the screw rod is adjusted to be screwed into the end screw hole of the positioning pipe in the middle. The fixation and the guarantee of the distance and the tolerance in the two side plates of the stirring pot are realized by adjusting the hexagon nuts on the two sides of the connecting hole of the side plate lining plate.
The side plate enclosing plate outer side fixing device penetrates through the screw hole positioning block to rotate to tightly push the wedge block, the side plate and the outer side of the arc enclosing plate so as to fix the side plate and the arc enclosing plate of the stirring pot.
The stirring pot side plate pressing device penetrates through the unthreaded hole in the pressing plate downwards through the screw rod connected to the platform and the surrounding plate heightening support, so that one end of the pressing plate is forced to press the side plate downwards to position the pressing plate on the periphery of the port of the barrel body.
The auxiliary backing plate for the stirring boiler barrel welding process comprises side plates of a stirring boiler and an auxiliary backing plate, wherein the thickness of a plug pad on the inner side of the bottom edge of a port of an arc enclosing plate is the height of a welding seam, and the height of the welding seam between the side plate of the port and the inner side of a barrel is ensured; the method comprises the step of specifying a shim with the thickness required by the process of a position plug pad according to the process requirement so as to correspond to the shrinkage of the welded cylinder body.
To sum up, the utility model has the advantages that:
1. the positioning is accurate. The mechanical seal connecting flange hole on the side plate of the double-shaft 6000-type stirring pot cylinder body is used as a positioning reference, so that the coaxiality requirement of holes of the side plate of the stirring pot, the speed reducer fixing plate and the bearing seat plate on the same main shaft central line is met, and the parallelism requirement of the central lines of the two main shafts is met.
2. The structure is simple. The welding deformation of the double-shaft 6000-type stirring pot cylinder during assembly welding can be effectively controlled, the allowable errors of all sizes and form and position tolerances of the assembly welding stirring pot cylinder are guaranteed, and the design requirements and the service performance requirements are completely met.
3. And the cost is saved. Subsequent machining procedures are omitted, the manufacturing period is shortened, and the manufacturing cost is reduced.
It is to be understood that the above description and illustrations are exemplary only and are not intended to limit the present disclosure, application, or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention is intended to include any embodiments that fall within the foregoing description and the appended claims.
Claims (10)
1. The utility model provides a be used for biax formula agitated kettle barrel assembly welding location frock, includes that assembly welding platform, bounding wall increase support, curb plate and bedplate location stand subassembly, curb plate location pull rod subassembly, curb plate bounding wall outside fixing device, the inboard fixing device of curb plate bounding wall and sideboard closing device, its characterized in that:
the apron increases the upper surface that the support was located the assembly and welding platform for two and relatively, curb plate and bedplate location stand subassembly are four groups, and two liang of a set of is relative to be set up, the upper surface of assembly and welding platform reaches four peripheral outer fringe intervals that the apron increases the support and corresponds the agitator kettle are equipped with a plurality of curb plate apron outside fixing device, are equipped with sideboard closing device between every peripheral a plurality of curb plate apron fixing device, correspond each curb plate apron outside fixing device and sideboard closing device's agitator kettle inboard and be equipped with curb plate apron inboard fixing device respectively and thus effectively fix the bottom of agitator kettle curb plate and agitator kettle arc bounding wall.
2. The assembly welding and positioning tool for the double-shaft type stirring boiler barrel body as claimed in claim 1, wherein the assembly welding and positioning tool comprises: curb plate and bedplate location stand subassembly contains location stand, location hollow shaft, curb plate tray, bedplate tray and bedplate tray pull rod, location stand detachable is fixed in the assembly welding platform, the location hollow shaft penetrates the round hole on location stand upper portion, the location hollow shaft outwards extends and the other end is equipped with unloads the axle sleeve pipe from the location stand, the hole cooperation of curb plate tray sets up in the outer fringe of location hollow shaft and the front end riser outside of location hollow shaft, the outer fringe of curb plate tray respectively with the hole cooperation of agitator kettle curb plate and agitator kettle mechanical seal flange, bedplate tray sets up in the outer fringe of location hollow shaft with the curb plate tray at a certain distance apart setting and hole cooperation, the outer fringe of bedplate tray respectively with agitator kettle speed reducer fixed plate and agitator kettle shaft bearing seat board hole cooperation.
3. The assembly welding and positioning tool for the double-shaft type stirring boiler barrel body as claimed in claim 2, characterized in that: the base plate tray is fixedly connected with the threaded holes of the mechanical sealing connecting flange of the stirring pot through a plurality of base plate tray pull rods.
4. The assembly welding and positioning tool for the double-shaft type stirring boiler barrel body as claimed in claim 2, characterized in that: the bottom plate interval of positioning column is equipped with a plurality of bolt holes in order to be fixed in the assembly welding platform through positioning column fixing bolt, and is equipped with two at least relative positioning pin holes that set up to fix a position through the locating pin.
5. The assembly welding and positioning tool for the double-shaft type stirring boiler barrel body as claimed in claim 2, characterized in that: the outer edge of the positioning tubular shaft between the side plate tray and the seat plate tray is provided with a positioning tubular shaft protective sleeve, and the outer edge of the seat plate tray pull rod is provided with a seat plate tray pull rod protective sleeve.
6. The assembling, welding and positioning tool for the biaxial stirring drum body as set forth in any one of claims 1 to 5, characterized in that: the side plate positioning pull rod assembly comprises a middle positioning pipe, screw rods are arranged at two ends of the positioning pipe respectively, one end of each screw rod is fixed to the positioning pipe, and hexagonal nuts located on two sides of the side plate of the stirring pot are arranged on the screw rods to achieve fixing.
7. The assembling, welding and positioning tool for the biaxial stirring drum body as set forth in any one of claims 1 to 5, characterized in that: the side plate surrounding plate outer side fixing device comprises a jacking hexagon head bolt, a screw hole positioning block, a fixed inner hexagon bolt and a jacking wedge block, the screw hole positioning block is fixed on the assembly welding platform through the fixed inner hexagon bolt at the lower end, the screw hole positioning block is provided with a screw hole for screwing the jacking hexagon head bolt, the rear end of the jacking wedge block is abutted against the head of the jacking hexagon head bolt, and the front end of the jacking wedge block is connected to the side plate of the stirring pot.
8. The assembling, welding and positioning tool for the biaxial stirring drum body as set forth in any one of claims 1 to 5, characterized in that: the side plate pressing device comprises a pressing plate, a pressing bolt and a cushion block, wherein the assembly welding platform is provided with a threaded hole for the pressing bolt to be screwed in, the pressing plate is sleeved on the pressing bolt, the inner end of the pressing plate is pressed against the flange side plate around the upper end of the stirring pot, and the outer end of the pressing plate is pressed against the cushion block.
9. The assembling, welding and positioning tool for the biaxial stirring drum body as set forth in any one of claims 1 to 5, characterized in that: the inner side fixing device of the side plate enclosing plate comprises an inner side positioning block and a fixing bolt, the inner side positioning block is connected to the assembly welding platform (1) through the fixing bolt, and the side face of the inner side positioning block is attached to the side plate of the stirring pot and the arc enclosing plate.
10. The assembling, welding and positioning tool for the biaxial stirring drum body as set forth in any one of claims 1 to 5, characterized in that: and the auxiliary backing plate is arranged between the lower edge of the side plate of the stirring pot or the arc-shaped periphery of the stirring pot and the assembly and welding platform at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641362.3U CN210524307U (en) | 2019-09-29 | 2019-09-29 | Assembly welding positioning tool for double-shaft type stirring boiler barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641362.3U CN210524307U (en) | 2019-09-29 | 2019-09-29 | Assembly welding positioning tool for double-shaft type stirring boiler barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210524307U true CN210524307U (en) | 2020-05-15 |
Family
ID=70607060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921641362.3U Active CN210524307U (en) | 2019-09-29 | 2019-09-29 | Assembly welding positioning tool for double-shaft type stirring boiler barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210524307U (en) |
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2019
- 2019-09-29 CN CN201921641362.3U patent/CN210524307U/en active Active
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