CN105033563A - Welding jig for liquefied gas steel cylinder base - Google Patents

Welding jig for liquefied gas steel cylinder base Download PDF

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Publication number
CN105033563A
CN105033563A CN201510302329.8A CN201510302329A CN105033563A CN 105033563 A CN105033563 A CN 105033563A CN 201510302329 A CN201510302329 A CN 201510302329A CN 105033563 A CN105033563 A CN 105033563A
Authority
CN
China
Prior art keywords
groove
locating slot
base
lower locating
clamp body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510302329.8A
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Chinese (zh)
Inventor
覃哲贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liuzhou Shantai Gas Co Ltd
Original Assignee
Liuzhou Shantai Gas Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liuzhou Shantai Gas Co Ltd filed Critical Liuzhou Shantai Gas Co Ltd
Priority to CN201510302329.8A priority Critical patent/CN105033563A/en
Publication of CN105033563A publication Critical patent/CN105033563A/en
Pending legal-status Critical Current

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Classifications

    • 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

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

A welding jig for a liquefied gas steel cylinder base comprises a jig body, a magnetic suction cup, a clamping cover, a guide stud and a reset spring. A semicircular lower locating groove is formed in the upper plane of the jig body. A protective port is formed in the bottom of the lower locating groove. A lifting lug groove is formed in the left side of the lower locating groove. Rotary pin holes are formed in the front end and the rear end of the lifting lug groove. A spring nest groove is formed in the right side of the lower locating groove and internally provided with the reset spring. The depth of an upper limiting groove and the depth of a lower limiting groove are 2.2 times the thickness of materials of the base and the width of the grooves is 1.8 mm larger than the height of the base. A guide hole is of a U shape and the distance between the edge of the guide hole and the single edge of the guide stud is 38 mm. The welding jig is simple in structure and convenient to operate, the welding quality of the base can be guaranteed, and the production efficiency of the base can be improved.

Description

The weld jig of base of liquefied gas steel cylinder
Technical field
The present invention relates to cylinder for liquefied gas welding technology field, be specifically related to a kind of weld jig of base of liquefied gas steel cylinder.
Background technology
Cylinder for liquefied gas is used to store the storage bottle of liquefied gas, and when there is a liquefied gas its inside, pressure is very large, and slightly misoperation just likely sets off an explosion, and liquefied gas is 0.8 MPa at 20 deg. C Pressure, and the pressure of 40 degrees Celsius can reach 1.59 MPas.The maximum pressure that bears of cylinder for liquefied gas is 2.1 MPas.If volume of liquefied gas is constant, temperature often raises 1 deg. C Pressure just increases by 0.04 MPa, so every steel cylinder can only fill with 85%, and namely 14.5 kilograms.Also do not heat steel cylinder with warm water when empty bottle, otherwise can physical explosion be caused.
Cylinder for liquefied gas is II type III pressure vessel of the inflammable and explosive chemicals of splendid attire, is widely used in living standard of urban and rural population and in the street restaurant in cities and towns, a slap-bang shop and cafe.The welding quality of base of liquefied gas steel cylinder determine steel cylinder filling, carry and stability in use procedure.
The production process of base is: shearing blanking, press-bending (or roll bending) become straight tube shape, welding opposite side.Welding opposite side is the important procedure manufacturing base, and the efficiency of welding directly determines the production cost of base.Plate creates resilience in press-bending or roll bending deformation process, and this resilience makes two limits that will weld not contact, and there is certain extended distance, and measure must be adopted during welding to make opposite side extended distance be reduced to designated value or opposite side coincidence.The extended distance using the method for worm drive to eliminate straight tube shape opposite side in most cylinder for liquefied gas manufacturing enterprise reaches welding condition; there is operation inconvenience in this method; waste time and energy, the shortcomings such as production efficiency is low, other technologies all cannot meet the needs of large-scale production.
Summary of the invention
For the deficiencies in the prior art, the invention provides the weld jig of simple, the easy to operate base of liquefied gas steel cylinder of a kind of structure, overcome the defect existed in prior art.
A kind of weld jig of base of liquefied gas steel cylinder, it comprises clamp body, magnetic suction disc, Jia Gai, guiding screw pole and back-moving spring, the upper plane of described clamp body offers semicircular lower locating slot, the bottom of described lower locating slot is provided with protection mouth, the left side of lower locating slot offers hanger groove, the rear and front end of hanger groove is provided with rotation pin-and-hole, and the right side of lower locating slot is provided with spring nest groove, is provided with back-moving spring in described spring nest groove; The right-hand member of described clamp body is provided with magnetic suction disc, and the side of described magnetic suction disc is provided with sucker driving switch; One end of described folder lid is provided with adhesive platform, and the other end is provided with hanger, and centre is provided with locating slot, and the right side of described upper locating slot is provided with pilot hole; Described clamp body by hanger with rotate in pin-and-hole the rotational pin that is provided with and press from both sides cover hinge and be connected; One end of described guiding screw pole is fixed on immediately below spring nest groove, and the other end is provided with stop nut through after back-moving spring and pilot hole; The groove depth of described upper limit position groove and lower limit groove is respectively thick 2.2 times of base material; Groove width is 1.8mm larger than the height of base respectively; The U-shaped shape of described pilot hole, limit, hole is 38mm to the monolateral distance at guiding screw pole edge.
Beneficial effect of the present invention: structure is more simply compact, operation is very easy, clamping is stable fast, production efficiency is high, reduces production cost to greatest extent.
Accompanying drawing explanation
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Fig. 1 is the structural representation of the weld jig of base of liquefied gas steel cylinder of the present invention;
Fig. 2 is the top view of clamp body;
Fig. 3 is the front view of folder lid;
Fig. 4 is the right view of folder lid;
Fig. 5 is the structural representation of straight tube before base weldering.
Description of reference numerals: 1-clamp body, locating slot under 11-, 12-spring nest groove, 13-hanger groove; 14-rotates pin-and-hole, and 15-protects mouth, 2-magnetic suction disc, 21-sucker driving switch; 3-presss from both sides lid, 31-adhesive platform, 32-pilot hole; the upper locating slot of 33-, 34-hanger, 4-guiding screw pole; 5-back-moving spring, 6-stop nut, 7-rotational pin; straight tube before the weldering of 8-base, 81-left side, 82-right side.
Detailed description of the invention
In order to have a clear understanding of technical scheme of the present invention, its detailed structure will be proposed in the following description.Obviously, the concrete execution of the embodiment of the present invention also not enough specific details being limited to those skilled in the art and haveing the knack of.The preferred embodiments of the present invention are described in detail as follows, and except these embodiments described in detail, can also have other embodiments.
From Fig. 1 ~ Fig. 5, the present invention it comprise clamp body 1, magnetic suction disc 2, folder lid 3, guiding screw pole 4 and back-moving spring 5, the plane of described clamp body 1 offers semicircular lower locating slot 11, the bottom of described lower locating slot 11 is provided with protection mouth 15, the left side of lower locating slot 11 offers hanger groove 13, the rear and front end of hanger groove 13 is provided with rotates pin-and-hole 14, and the right side of lower locating slot 11 is provided with spring nest groove 12, is provided with back-moving spring 5 in described spring nest groove 12; The right-hand member of described clamp body 1 is provided with magnetic suction disc 2, and the side of described magnetic suction disc 2 is provided with sucker driving switch 21; One end of described folder lid 3 is provided with adhesive platform 31, and the other end is provided with hanger 34, and centre is provided with locating slot 33, and the right side of described upper locating slot 33 is provided with pilot hole 32; Described clamp body 1 is by hanger 34 and rotate the rotational pin 7 and folder lid 3 chain connection that are provided with in pin-and-hole 14; One end of described guiding screw pole 4 is fixed on immediately below spring nest groove 12, and the other end is provided with stop nut 6 through after back-moving spring 5 and pilot hole 32.
Using method of the present invention is: first straight tube 8 before base weldering be placed in lower locating slot 11, make left side 81 and right side 82 be in immediately below lower locating slot 11; Be rotated down folder lid 3, open the sucker driving switch 21 of magnetic suction disc 2, magnetic suction disc 2 will hold rapidly adhesive platform 31, and upper locating slot 33 blocks the first half of the front straight tube 8 of base weldering simultaneously, and left side 81 and right side 82 will combine under the compression of folder lid 3; Re-use welding equipment and carry out welding to left side 81 and right side 82, both ends of the surface will be connected; After welding terminates, close sucker driving switch 21, magnetic suction disc 2 eliminates the attraction to adhesive platform 31, and folder covers upwards to be opened under the effect of back-moving spring 5, can take off soldered base.
In the present embodiment, the large 22mm of the degree of depth of locating slot 11 under the depth ratio of described protection mouth 15, its objective is that before preventing base from welding, straight tube 8 produces thermal deformation to clamp body 1 in welding process, thus affects the service life of pickup and clamp body 1; The end of guiding screw pole 4 is provided with stop nut 6, and this stop nut 6 can stop folder lid 3 to depart from guiding screw pole 4 under the effect of back-moving spring 5, affects it and normally uses; Sucker driving switch 21 is provided with several gears, varying in size of different gear adsorption magnetic forces, can use according to the material property of base and a certain gear of gauge choose reasonable.
In the present embodiment, the described U-shaped shape of pilot hole 32, this structure can guarantee the folding smoothly of folder lid 3; Limit, hole is 38mm to the monolateral distance at guiding screw pole 4 edge, and the amplitude that this distance can make folder lid 3 open is moderate, is conducive to picking and placeing workpiece; Described upper limit position groove 33 and the groove depth of lower limit groove 11 are respectively thick 2.2 times of base material; Groove width is 1.8mm larger than substructure height respectively, this had both ensured to locate reliably straight tube 8 before base weldering, was unlikely again straight tube 8 and stuck between upper limit position groove 33 and lower limit groove 11 before causing base to weld, affected and pick and place workpiece, thus ensure that welding quality, turn improve production efficiency.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; although with reference to above-described embodiment to invention has been detailed description; those of ordinary skill in the field still can modify to the specific embodiment of the present invention or equivalent replacement; these do not depart from any amendment of spirit and scope of the invention or equivalent replacement, are all applying within the claims awaited the reply.

Claims (1)

1. the weld jig of a base of liquefied gas steel cylinder, it comprises clamp body (1), magnetic suction disc (2), folder lid (3), guiding screw pole (4) and back-moving spring (5), it is characterized in that: the upper plane of described clamp body (1) offers semicircular lower locating slot (11), the bottom of described lower locating slot (11) is provided with protection mouth (15), the left side of lower locating slot (11) offers hanger groove (13), the rear and front end of hanger groove (13) is provided with rotates pin-and-hole (14), the right side of lower locating slot (11) is provided with spring nest groove (12), back-moving spring (5) is provided with in described spring nest groove (12), the right-hand member of described clamp body (1) is provided with magnetic suction disc (2), and the side of described magnetic suction disc (2) is provided with sucker driving switch (21), one end of described folder lid (3) is provided with adhesive platform (31), and the other end is provided with hanger (34), and centre is provided with locating slot (33), and the right side of described upper locating slot (33) is provided with pilot hole (32), described clamp body (1) covers (3) chain connection by the rotational pin (7) be provided with in hanger (34) and rotation pin-and-hole (14) with folder, one end of described guiding screw pole (4) is fixed on immediately below spring nest groove (12), and the other end is provided with stop nut (6) through after back-moving spring (5) and pilot hole (32), described upper limit position groove (33) and the groove depth of lower limit groove (11) are respectively thick 2.2 times of base material, groove width is 1.8mm larger than the height of base respectively, described pilot hole (32) U-shaped shape, limit, hole is 38mm to the monolateral distance at guiding screw pole (4) edge.
CN201510302329.8A 2015-06-05 2015-06-05 Welding jig for liquefied gas steel cylinder base Pending CN105033563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510302329.8A CN105033563A (en) 2015-06-05 2015-06-05 Welding jig for liquefied gas steel cylinder base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510302329.8A CN105033563A (en) 2015-06-05 2015-06-05 Welding jig for liquefied gas steel cylinder base

Publications (1)

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CN105033563A true CN105033563A (en) 2015-11-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108942306A (en) * 2018-08-23 2018-12-07 四川福蓉科技股份公司 A kind of mushroom fixture head
CN111168433A (en) * 2020-02-25 2020-05-19 米伦医疗科技(苏州)有限公司 Booster circular tube clamp with circumferential freedom degree

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001179441A (en) * 1999-12-22 2001-07-03 Sato Tekko Co Ltd Method for automatically welding steel pipe
CN201483135U (en) * 2009-08-27 2010-05-26 山东环日集团有限公司 Automatic welding machine for bottom-ring
CN104148864A (en) * 2014-08-26 2014-11-19 赵夫超 Welding jig for liquefied gas steel cylinder base
CN204053337U (en) * 2014-08-26 2014-12-31 赵夫超 The weld jig of base of liquefied gas steel cylinder
CN204277365U (en) * 2014-10-24 2015-04-22 武义西林德机械制造有限公司 Full-automatic steel cylinder welder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001179441A (en) * 1999-12-22 2001-07-03 Sato Tekko Co Ltd Method for automatically welding steel pipe
CN201483135U (en) * 2009-08-27 2010-05-26 山东环日集团有限公司 Automatic welding machine for bottom-ring
CN104148864A (en) * 2014-08-26 2014-11-19 赵夫超 Welding jig for liquefied gas steel cylinder base
CN204053337U (en) * 2014-08-26 2014-12-31 赵夫超 The weld jig of base of liquefied gas steel cylinder
CN204277365U (en) * 2014-10-24 2015-04-22 武义西林德机械制造有限公司 Full-automatic steel cylinder welder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108942306A (en) * 2018-08-23 2018-12-07 四川福蓉科技股份公司 A kind of mushroom fixture head
CN111168433A (en) * 2020-02-25 2020-05-19 米伦医疗科技(苏州)有限公司 Booster circular tube clamp with circumferential freedom degree

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Application publication date: 20151111

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