CN104959772B - A kind of water heater liner apparatus for welding and positioning - Google Patents

A kind of water heater liner apparatus for welding and positioning Download PDF

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Publication number
CN104959772B
CN104959772B CN201510426759.0A CN201510426759A CN104959772B CN 104959772 B CN104959772 B CN 104959772B CN 201510426759 A CN201510426759 A CN 201510426759A CN 104959772 B CN104959772 B CN 104959772B
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centering
slide rail
assembly
water heater
welding
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CN104959772A (en
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严培棉
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Maanshan Yuemei Zhizao Electronic Technology Co ltd
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Maanshan Meigeer Technology And Electrical Appliance Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • B23K37/0533Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of water heater liner apparatus for welding and positioning, belong to apparatus for welding and positioning field.The present invention includes support, is arranged on the clamping device of support both sides and the support platform between two clamping devices, described clamping device includes line slide rail assembly, hold down assembly and feel relieved assembly, described line slide rail assembly is arranged on support, being provided with slide rail connecting plate in holding down assembly, this slide rail connecting plate is slidably connected with the first slide rail in line slide rail assembly;Described centering assembly is slidably connected with holding down assembly, and the centering assembly controlling to support platform both sides by holding down assembly is mutually clamped, and is provided with top hold down gag on support, to reduce weld seam.The present invention improves point quality by longitudinally compressing with laterally centering, and welding efficiency is high, it is adaptable to the tack-weld of different size water heater liner.

Description

A kind of water heater liner apparatus for welding and positioning
Technical field
The present invention relates to apparatus for welding and positioning technical field, more particularly, it relates to a kind of water heater liner apparatus for welding and positioning.
Background technology
Water heater liner is for storing the device of water in water heater, it has to comply with insulation, pressure, non-corrosive, Non-scale, impermeable requirement, present water heater liner is mainly stainless steel inner container, its advantage is that inner bag material is good, intensity is high, high temperature resistant, anticorrosive, stable performance, not easily gets rusty.Due to water heater liner once damage and being difficult to repair, its manufacturing process seems fairly heavy and wants.It is known that stainless steel inner container is difficult to welding, wherein maximum hidden danger is weld seam technique, and in technological process, conventional water heaters inner bag adopts end cap welding method, and inner bag cylinder adopts artificial hand steered location, it is impossible to ensure its positioning precision;The quality of welding and the skilled operation degree of employee, emotion are closely related, and are easily generated rosin joint phenomenon, and are not easily found, just easily get rusty and leak, and cannot check before rosin joint part of factory between time slightly long weld seam.Such as Fig. 1, when producing water heater liner at present, being mostly pulling form moulding, produce upper shell and the lower shell of inner bag, carry out processes, then spot welding location, finally carries out gap welding, completes the assembling of water heater liner.
Through retrieval, the existing pertinent literature of relevant technical matters is open, such as Chinese Patent Application No.: 201010548915.8, the applying date: on November 17th, 2010, this application case discloses a kind of end cover of water heater inner container automatic welding unit, including seam welding unit, seam welding unit includes seam welding head, and seam welding head includes float positioning device, seam welding electrode wheel and lowering or hoisting gear.Pass through such scheme, the end cap portion of water heater liner can by float positioning device clamping, coordinate lowering or hoisting gear, easily it can be docked with the shell portion of water heater liner, the cylinder of water heater liner is rotated by electrode wheel, and the end cap of water heater liner and the welding edge of cylinder are placed between seam welding electrode wheel, carry out seam welding work easily.Preferably, seam welding unit upstream is additionally provided with spot welding unit, by water heater liner before being conveyed into seam welding unit, first send into spot welding unit and carry out spot welding, and the end cap portion of water heater liner is adsorbed by adsorption locating device, and provided rotary driving force by servomotor, spot welding work can be realized by soldering turret easily, and spot welding unit can weld at two ends simultaneously.Water heater liner is simply fixed by the program at two ends, and locating effect is unsatisfactory, and it cannot be guaranteed that being uniformly distributed of spot welding anchor point, easily occur that stress is concentrated and caused water heater liner deformation phenomenon, affecting product quality, during location, institute's spended time is more, affects working (machining) efficiency.
And for example Chinese Patent Application No. 201010281766.3, the applying date: on JIUYUE 13rd, 2010, this application case discloses the welding method of a kind of cylindrical shell of water heater, its main process is the stack shell preparing a tubular, it is then ready for root edge and coordinates the capping of stack shell ora terminalis shape, capping is docked towards stack shell end with root edge, medial surface at stack shell ora terminalis place with capping root edge place, arrange one removably and put tool, the gap of corresponding capping and root edge, casting ditch is melted at the outer peripheral face putting tool recessed, most tailing edge capping is welded with the joint of stack shell ora terminalis, solder joint is made to fuse the root edge of capping, the ora terminalis of stack shell melting casts from and melts weldering ditch and form an interior welding bead.This welding manner still adopts traditional syllogic tube structure, cumbersome, and product easily leaks, it is impossible to meet production requirement high-quality, efficient now.
Summary of the invention
1. invention to solve the technical problem that
It is an object of the invention to overcome and prior art positions when water heater liner spot welding positions inaccurate, inefficient deficiency, provide a kind of water heater liner apparatus for welding and positioning, technical scheme, point quality is improve by longitudinally compressing and laterally feeling relieved, welding efficiency is high, it is adaptable to the tack-weld of different size water heater liner.
2. technical scheme
For reaching above-mentioned purpose, technical scheme provided by the invention is:
A kind of water heater liner apparatus for welding and positioning of the present invention, including support, it is arranged on the clamping device of support both sides and the support platform between two clamping devices, described clamping device includes line slide rail assembly, hold down assembly and feel relieved assembly, described line slide rail assembly is arranged on support, being provided with slide rail connecting plate in holding down assembly, this slide rail connecting plate is slidably connected with the first slide rail in line slide rail assembly;Described centering assembly is slidably connected with holding down assembly, and the centering assembly controlling to support platform both sides by holding down assembly is mutually clamped.
As further improvement of the present invention, described holding down assembly also includes the second slide rail, hydraulic cylinder bearing and transverse hydraulic cylinder, described second slide rail, hydraulic cylinder bearing are all fixing with slide rail connecting plate to be connected, and hydraulic cylinder bearing is between two the second slide rails be arrangeding in parallel;Described transverse hydraulic cylinder is fixed on hydraulic cylinder bearing, promotes centering assembly to slide on the second slide rail by the horizontal piston rod in transverse hydraulic cylinder.
As further improvement of the present invention, described line slide rail assembly is mainly made up of sidepiece handwheel, feed screw and pair of nut, and described feed screw is supported by two bearing blocks fixed on the table, and feed screw outer end is connected with sidepiece handwheel;Described pair of nut is fixed on slide rail connecting plate lower end, and pair of nut and feed screw engaged transmission.
As further improvement of the present invention, described centering assembly includes centering slide block, centering bearing, location bar and the centering collar, and described centering slide block is arranged on below centering bearing, and centering slide block and the second slide rail are slidably connected;Described location bar, the centering collar are horizontally installed on centering bearing side.
As further improvement of the present invention, the described centering collar is arranged at intervals with 2~4 some weld bonds, end face at the centering collar of workbench side is provided with detent, end face at the centering collar of workbench opposite side is provided with locating convex block, and during two centering collar engagings, locating convex block is positioned at detent.
As further improvement of the present invention, described support platform includes bottom handwheel, longitudinally regulates screw mandrel, bottom slide bar and bottom support plate, the described top longitudinally regulating screw mandrel is connected with bottom support plate by bearing, longitudinally regulate screw mandrel and the nut engaged transmission on support, the upper end of described bottom slide bar is connected with bottom support plate, and two bottom slide bars are symmetrical arranged about longitudinally adjustment screw mandrel;Described bottom handwheel is fixed on and longitudinally regulates screw mandrel bottom.
As further improvement of the present invention, described cradle top is provided with top cross-bar, is provided with top hold down gag in top cross-bar.
As further improvement of the present invention, described top hold down gag includes longitudinally compressing hydraulic cylinder and top gland, and described longitudinally compression hydraulic cylinder is fixing with top cross-bar to be connected, and the piston rod longitudinally compressing hydraulic cylinder drives top gland up and down motion.
As further improvement of the present invention, the described hydraulic cylinder that longitudinally compresses is coaxially disposed with longitudinally adjustment screw mandrel.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with prior art, have the advantages that
(1) a kind of water heater liner apparatus for welding and positioning of the present invention, utilization holds down assembly and drives centering component movement, make two centering collar automatic fastenings, the centering detent of ferrule end face, locating convex block structure can make centering collar accurate fit, make the water heater liner collar of being felt relieved block, not easily rock;Centring sleeve ring-side wall is provided with a weld bond, directly can carry out spot welding at a weld bond behind location, efficiently quickly;
(2) a kind of water heater liner apparatus for welding and positioning of the present invention, set line slide rail assembly can make to hold down assembly to horizontally slip, further increase the adjustable distance of the centering inter-module of support both sides, and support platform its level height of also scalable, make this device be suitable for the spot welding processing of different size of water heater liner;
(3) a kind of water heater liner apparatus for welding and positioning of the present invention, the top cross-bar of support is provided with top hold down gag, it longitudinally compresses hydraulic cylinder and is coaxially disposed with longitudinally adjustment screw mandrel, the concentricity of water heater liner upper shell and lower shell can be ensured on the one hand, weld seam between the two can be reduced on the other hand, avoid the generation of rosin joint, improve product quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of water heater liner;
Fig. 2 is the structural representation of the water heater liner apparatus for welding and positioning of the present invention;
Fig. 3 holds down assembly in the present invention and the structural representation of assembly of feeling relieved;
Fig. 4 is the structural representation of cathetus slide track component of the present invention;
Fig. 5 is the side-looking structural representation of Fig. 3 shown device;
Fig. 6 is the fit structure schematic diagram of two centering collars in the present invention.
Label declaration in schematic diagram: 1, support;101, workbench;102, top cross-bar;2, line slide rail assembly;201, sidepiece handwheel;202, feed screw;203, pair of nut;204, the first slide rail;3, hold down assembly;301, slide rail connecting plate;302, the second slide rail;303, hydraulic cylinder bearing;304, transverse hydraulic cylinder;305, horizontal piston rod;4, centering assembly;401, centering slide block;402, centering bearing;403, a positioning rod;404, the centering collar;405, some weld bond;406, locating convex block;407, the second location bar;408, the 3rd location bar;501, bottom handwheel;502, longitudinally screw mandrel is regulated;503, bottom slide bar;504, bottom support plate;601, longitudinally hydraulic cylinder is compressed;602, top slide bar;603, top fixing plate;604, top gland.
Detailed description of the invention
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 2, a kind of water heater liner apparatus for welding and positioning of the present embodiment, mainly by support 1, be arranged on the clamping device of support 1 both sides and the support platform between two clamping devices forms.Support 1 both sides are provided with workbench 101, and clamping device is arranged on workbench 101.Clamping device includes line slide rail assembly 2, hold down assembly 3 and centering assembly 4.Wherein, line slide rail assembly 2 is arranged on support 1, holds down assembly and is provided with slide rail connecting plate 301 in 3, and this slide rail connecting plate 301 is slidably connected with the first slide rail 204 in line slide rail assembly 2;Described centering assembly 43 is slidably connected with holding down assembly, and the centering assembly 4 being supported platform both sides by 3 controls that hold down assembly is mutually clamped.
In conjunction with Fig. 2 and Fig. 4, line slide rail assembly 2 in the present embodiment is mainly made up of sidepiece handwheel 201, feed screw 202 and pair of nut 203, feed screw 202 is supported by two bearing blocks being fixed on workbench 101, and feed screw 202 outer end is connected with sidepiece handwheel 201;Pair of nut 203 is fixed on slide rail connecting plate 301 lower end, and pair of nut 203 and feed screw 202 engaged transmission.First slide rail 204 is set in parallel on workbench 101, and feed screw 202 and the first slide rail 204 be arranged in parallel, and between two the first slide rails 204.Rotate clockwise or counterclockwise sidepiece handwheel 201, pair of nut 203 can be controlled and advance on feed screw 202 or retreat, and then drive slide rail connecting plate 301 to horizontally slip on the first slide rail 204, it is achieved regulate the purpose of spacing.
In conjunction with Fig. 3 and Fig. 5, holding down assembly in the present embodiment 3 also includes the second slide rail 302, hydraulic cylinder bearing 303 and transverse hydraulic cylinder 304, second slide rail 302, hydraulic cylinder bearing 303 are all fixing with slide rail connecting plate 301 to be connected, and hydraulic cylinder bearing 303 is between two the second slide rails 302 be arrangeding in parallel;Described transverse hydraulic cylinder 304 is fixed on hydraulic cylinder bearing 303, promotes centering assembly 4 to slide on the second slide rail 302 by the horizontal piston rod 305 in transverse hydraulic cylinder 304, for being compressed by water heater liner.
Its centering assembly 4 includes centering slide block 401, centering bearing 402, location bar and the centering collar 404, and centering bearing 402 is made up of flat board two pieces perpendicular, is provided with set square reinforcement between two pieces of flat boards, to strengthen the structural strength of centering bearing 402.Centering slide block 401 is arranged on below centering bearing 402, and centering slide block 401 and the second slide rail 302 are slidably connected;The vertical plate of centering bearing 402 is connected with horizontal piston rod 305, drives centering bearing 402 to slide on the second slide rail 302 by horizontal piston rod 305.
In conjunction with Fig. 3 and Fig. 6, above-mentioned location bar, the centering collar 404 are horizontally installed on centering bearing 402 side, the centering collar 404 is arranged at intervals with 4 some weld bonds 405, makes a weld bond 405 be uniformly distributed as far as possible, when ensureing electric welding, water heater liner is heated evenly, it is to avoid produce excessive deformation quantity.The point outer imperial palace of weld bond 405 is little, it is simple to spot welding is processed.In addition, in order to make two centering the collars 404 can be fully mated, the compactness of accuracy and engaging to improve centering, the end face of the centering collar 404 on the left of workbench 101 is provided with detent, the end face of the centering collar 404 on the right side of workbench 101 is provided with locating convex block 406, and when two centering collars 404 engage, locating convex block 406 is positioned at detent, makes water heater liner be firmly stuck in the centering collar 404, directly spot welding can be carried out at a weld bond 405, efficiently quickly behind location.
Referring to Fig. 3, described location bar includes a positioning rod 403, second and positions bar 407 and the 3rd location bar 408, a positioning rod 403 is positioned on the downside of the centering collar 404, for snapping in the water inlet of water heater liner, second location bar 407 and the 3rd location bar 408 are positioned at above the centering collar 404, wherein the second location bar 407 can be inserted into outlet location, and the 3rd location bar 408 can be inserted into the sewage draining exit of water heater liner.A positioning rod 403, second positions bar 407 and the 3rd location bar 408 is not only able to determine the distributing position of water heater liner, the position distribution of upper shell and lower shell can also be positioned, it is ensured that the position height between water inlet, outlet and sewage draining exit is identical with setting height.
Referring to Fig. 2, support platform in the present embodiment includes bottom handwheel 501, longitudinally adjustment screw mandrel 502, bottom slide bar 503 and bottom support plate 504, the top longitudinally regulating screw mandrel 502 is connected with bottom support plate 504 by bearing, longitudinally regulate screw mandrel 502 and the nut engaged transmission on support 1, the upper end of described bottom slide bar 503 is connected with bottom support plate 504, and two bottom slide bars 503 are symmetrical arranged about longitudinally adjustment screw mandrel 502;Bottom handwheel 501 is fixed on and longitudinally regulates screw mandrel 502 bottom, is used for driving longitudinally adjustment screw mandrel 502.Being provided with circular sleeve column on described bottom support plate 504, this circle sleeve column can engage with the opening of water heater liner, has axially-centered effect.When utilizing bottom handwheel 501 to drive bottom support plate 504 to move up and down, in order to prevent from longitudinally regulating screw mandrel 502 deflection, being symmetrical arranged about longitudinally adjustment screw mandrel 502 by bottom slide bar 503, bottom this, slide bar 503 can slide in the lasso in support 1, it is achieved the firm effect longitudinally regulating screw mandrel 502.
In use, by the horizontal spacing between sidepiece handwheel 201 scalable centering assembly 4, by the height of bottom handwheel 501 adjustable bottom support plate 504, and then the spot welding being suitable for different size of water heater liner positions, easy to use.When processing the water heater liner of same model, only sidepiece handwheel 201 and bottom handwheel 501 need to be regulated when using first, without again regulating during following process.
Embodiment 2
In conjunction with Fig. 2, a kind of water heater liner apparatus for welding and positioning of the present embodiment, it is identical with embodiment 1 that it connects this structure, and it is different in that: support 1 top in the present embodiment is provided with top cross-bar 102, is provided with top hold down gag in top cross-bar 102.This top hold down gag includes longitudinally compressing hydraulic cylinder 601, top slide bar 602, top fixing plate 603 and top gland 604, longitudinally compressing hydraulic cylinder 601 to be connected by top fixing plate 603 is fixing with top cross-bar 102, the piston rod longitudinally compressing hydraulic cylinder 601 drives top gland 604 to move up and down.Two top slide bars 602 are symmetrical arranged about longitudinally compression hydraulic cylinder 601, and top slide bar 602 is slidably connected with top fixing plate 603, top slide bar 602 lower end is fixing with top gland 604 to be connected, when longitudinally compressing hydraulic cylinder 601 and driving top gland 604 to move up and down, top slide bar 602 can play axially-centered effect.It is coaxially disposed additionally, longitudinally compress hydraulic cylinder 601 with longitudinally adjustment screw mandrel 502, it is ensured that water heater liner upper shell and lower shell are installed with one heart.
Set top hold down gag can ensure the concentricity of water heater liner upper shell and lower shell on the one hand, can play pressuring action on the other hand, reduces the weld seam between upper shell and lower shell, improves product quality.
Embodiment 3
A kind of water heater liner apparatus for welding and positioning of the present embodiment, it is identical with embodiment 2 that it connects this structure, and it is different in that: be arranged at intervals with 2 some weld bonds 405 in the present embodiment on each centering collar 404.
According to embodiment 1~3, for the apparatus for welding and positioning of the present invention, when specifically used, its process is as follows:
Step one, height according to water heater liner upper shell, then rotate bottom handwheel 501, and the height regulating bottom support plate 504 is corresponding with the height of water heater liner upper shell;Rotate sidepiece handwheel 201 and regulate the horizontal spacing between centering assembly 4, to adapt to the size of water heater liner;
Step 2, water heater liner upper shell is tipped upside down on bottom support plate 504 on, the opening of water heater liner with circle sleeve column engage, axially-centered, the water inlet on water heater liner aligns with a positioning rod 403, it is simple to follow-up para-position;
Step 3, startup transverse hydraulic cylinder 304, transverse hydraulic cylinder 304 drives the centering collar 404 to move to water heater liner direction, and by water heater liner upper shell pretension;
Step 4, by the outlet of lower shell, sewage draining exit respectively with the second position bar the 407, the 3rd position bar 408 align, water inlet, outlet and sewage draining exit is made to be located on the same line, it is again started up transverse hydraulic cylinder 304, making locating convex block 406 engage with detent, upper shell and lower shell are by radial centering;
Step 5, startup longitudinally compress hydraulic cylinder 601, make top gland 604 push down the bottom of lower shell, and to reduce the gap between upper shell and lower shell, the weld seam formed during spot welding location is less, it is simple to follow-up welding;
Step 6, carry out spot welding at each point weld bond 405, complete the work of spot welding location.
The present invention improves point quality by longitudinally compressing with laterally centering, and welding efficiency is high, it is adaptable to the tack-weld of different size water heater liner, applied widely.
Schematically the present invention and embodiment thereof being described above, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if those of ordinary skill in the art is enlightened by it, when without departing from the invention objective, design the frame mode similar to this technical scheme and embodiment without creationary, protection scope of the present invention all should be belonged to.

Claims (8)

1. a water heater liner apparatus for welding and positioning, it is characterized in that: include support (1), it is arranged on the clamping device of support (1) both sides and the support platform between two clamping devices, described clamping device includes line slide rail assembly (2), hold down assembly (3) and feel relieved assembly (4), described line slide rail assembly (2) is arranged on support (1), hold down assembly and (3) are provided with slide rail connecting plate (301), this slide rail connecting plate (301) is slidably connected with the first slide rail (204) in line slide rail assembly (2);Described centering assembly (4) is slidably connected with hold down assembly (3), and the centering assembly (4) controlling to support platform both sides by hold down assembly (3) is mutually clamped;Described centering assembly (4) includes centering slide block (401), centering bearing (402), location bar and the centering collar (404), centering bearing (402) is made up of flat board two pieces perpendicular, is provided with set square reinforcement between two pieces of flat boards;Described centering slide block (401) is arranged on centering bearing (402) lower section, and centering slide block (401) is slidably connected with the second slide rail (302);Described location bar, the centering collar (404) are horizontally installed on centering bearing (402) side.
2. a kind of water heater liner apparatus for welding and positioning according to claim 1, it is characterized in that: described hold down assembly (3) also include the second slide rail (302), hydraulic cylinder bearing (303) and transverse hydraulic cylinder (304), described second slide rail (302), hydraulic cylinder bearing (303) are all fixing with slide rail connecting plate (301) to be connected, and hydraulic cylinder bearing (303) is positioned between two the second slide rails (302) be arrangeding in parallel;Described transverse hydraulic cylinder (304) is fixed on hydraulic cylinder bearing (303), promotes centering assembly (4) in the upper slip of the second slide rail (302) by the horizontal piston rod (305) in transverse hydraulic cylinder (304).
3. a kind of water heater liner apparatus for welding and positioning according to claim 1, it is characterized in that: described line slide rail assembly (2) is mainly made up of sidepiece handwheel (201), feed screw (202) and pair of nut (203), described feed screw (202) is supported by two bearing blocks being fixed on workbench (101), and feed screw (202) outer end is connected with sidepiece handwheel (201);Described pair of nut (203) is fixed on slide rail connecting plate (301) lower end, and pair of nut (203) and feed screw (202) engaged transmission.
4. a kind of water heater liner apparatus for welding and positioning according to any one of claim 1 to 3, it is characterized in that: the described centering collar (404) is arranged at intervals with 2~4 somes weld bond (405), end face at the centering collar (404) of workbench (101) side is provided with detent, end face at the centering collar (404) of workbench (101) opposite side is provided with locating convex block (406), and during two the centering collar (404) engagings, locating convex block (406) is positioned at detent.
5. a kind of water heater liner apparatus for welding and positioning according to claim 4, it is characterized in that: described support platform includes bottom handwheel (501), longitudinally regulate screw mandrel (502), bottom slide bar (503) and bottom support plate (504), described longitudinal direction is regulated the top of screw mandrel (502) and is connected with bottom support plate (504) by bearing, longitudinally regulate screw mandrel (502) and the nut engaged transmission on support (1), the upper end of described bottom slide bar (503) is connected with bottom support plate (504), and two bottoms slide bar (503) regulate screw mandrel (502) about longitudinal direction and are symmetrical arranged;Described bottom handwheel (501) is fixed on and longitudinally regulates screw mandrel (502) bottom.
6. a kind of water heater liner apparatus for welding and positioning according to claim 5, it is characterised in that: described support (1) top is provided with top cross-bar (102), is provided with top hold down gag in top cross-bar (102).
7. a kind of water heater liner apparatus for welding and positioning according to claim 6, it is characterized in that: described top hold down gag includes longitudinally compressing hydraulic cylinder (601) and top gland (604), described longitudinal direction compresses that hydraulic cylinder (601) and top cross-bar (102) are fixing to be connected, and the piston rod longitudinally compressing hydraulic cylinder (601) drives top gland (604) up and down motion.
8. a kind of water heater liner apparatus for welding and positioning according to claim 7, it is characterised in that: described longitudinal direction compresses hydraulic cylinder (601) and longitudinal direction regulates screw mandrel (502) and is coaxially disposed.
CN201510426759.0A 2015-07-17 2015-07-17 A kind of water heater liner apparatus for welding and positioning Active CN104959772B (en)

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CN109605760A (en) * 2018-11-12 2019-04-12 芜湖市星东塑胶模具制品有限公司 A kind of silencer pressing device
CN109317848A (en) * 2018-11-12 2019-02-12 芜湖市星东塑胶模具制品有限公司 A kind of air-suction silencer of compressor welder
CN112059507B (en) * 2020-09-17 2022-06-21 翊鹏(湖北)实业有限公司 Welding positioning device for automobile front cross beam

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CN203599765U (en) * 2013-11-29 2014-05-21 惠州东风易进工业有限公司 Radiator welding and fixing device
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CN204262666U (en) * 2014-11-04 2015-04-15 常州森旭自动化科技有限公司 Automatic centring device
CN104722989A (en) * 2013-12-24 2015-06-24 山东中德设备有限公司 Fixture for positioning and welding of supporting legs of tanks
CN204747920U (en) * 2015-07-17 2015-11-11 马鞍山市美格尔科技电器有限公司 Water heater inner bag welding position device

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Publication number Priority date Publication date Assignee Title
CN102463408A (en) * 2010-11-17 2012-05-23 成都焊研科技有限责任公司 Automatic welding set for end cover of water heater inner container
CN203599765U (en) * 2013-11-29 2014-05-21 惠州东风易进工业有限公司 Radiator welding and fixing device
CN104722989A (en) * 2013-12-24 2015-06-24 山东中德设备有限公司 Fixture for positioning and welding of supporting legs of tanks
CN204135624U (en) * 2014-09-29 2015-02-04 天津曹氏锅炉有限公司 A kind of welder for cylindrical body welding
CN204262666U (en) * 2014-11-04 2015-04-15 常州森旭自动化科技有限公司 Automatic centring device
CN204747920U (en) * 2015-07-17 2015-11-11 马鞍山市美格尔科技电器有限公司 Water heater inner bag welding position device

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