CN110446280A - Snakelike bending hollow cylinder body elasticity heater, its processing mold and processing method - Google Patents
Snakelike bending hollow cylinder body elasticity heater, its processing mold and processing method Download PDFInfo
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- CN110446280A CN110446280A CN201910806323.2A CN201910806323A CN110446280A CN 110446280 A CN110446280 A CN 110446280A CN 201910806323 A CN201910806323 A CN 201910806323A CN 110446280 A CN110446280 A CN 110446280A
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- hollow cylinder
- plate component
- bending
- heating tube
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- 238000005452 bending Methods 0.000 title claims abstract description 78
- 238000003672 processing method Methods 0.000 title claims description 8
- 238000012545 processing Methods 0.000 title claims description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 84
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims description 40
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The present invention relates to a kind of snakelike bending hollow cylinder body elasticity heaters in heater technical field, it heats tube hub and is equipped with electrical heating core, magnesia powder is filled with outside electrical heating core in heating tube cavity, the reciprocal bending of heating tube forms several U-shaped ends, the segmental arc of U-shaped end is through secondary bending, make heating tube that hollow cylinder shape be integrally formed, the same end of hollow cylinder is arranged in the both ends of the hollow cylinder horn opening small in outer imperial palace through hydraulic Zhang Bianhou, assembly casing and binding post.Heater carries out secondary bending by first clamping plate component and second clamping plate component, then obtains into hydraulic side excessively, and elasticity is good, has small size, powerful advantage.
Description
Technical field
The present invention relates to a kind of heater, in particular to a kind of structure of electric heater, processing mold and its processing method.
Background technique
In Chinese patent database, a kind of metal embedded heater is disclosed, application number:
CN201820548924.9；The applying date: 20180418；Open (bulletin) number: CN208175014U；Publication date: 20181130；It should
Device includes metal sleeve, heater strip and temp.-sensing wire, and wiring groove is provided on the outer surface of metal sleeve, and wiring groove includes edge
The circumferentially spaced vertical section of the metal sleeve and the linkage section of the adjacent vertical section of connection, the length of vertical section are big
In the length of the linkage section, the side of wiring groove is additionally provided with temperature-sensitive wire casing, and for heater strip in wiring groove, temp.-sensing wire is embedding
It is placed in temperature-sensitive wire casing, heater strip and temp.-sensing wire form embedded fixed structure with metal sleeve.After adopting the above scheme,
The contact area for increasing heater strip and metal sleeve only needs a heater strip that can be covered with the surface of metal copper sheathing simultaneously and adds
It is hot uniform, heating efficiency is improved, the winding volume of heater strip is efficiently reduced；Heater strip is independently arranged with temp.-sensing wire, is surveyed
Temperature is more acurrate, and more convenient, safety, saves client cost when installing and repairing.
Disadvantage is that: the heater itself does not have elasticity, limits its application field.For example, can not basis
The variations of the heated Carrier diameters being inserted and adaptive change.
Summary of the invention
The object of the present invention is to provide a kind of snakelike bending hollow cylinder body elasticity heaters, make it have flexible deformation
Ability is inserted by heat carrier in which can be convenient, and it can realize the high-power of heater in the confined space of small size.
The object of the present invention is achieved like this: a kind of snakelike bending hollow cylinder body elasticity heater, including heating tube,
Two ends of heating tube are provided with assembly casing and binding post, and heating tube hub is equipped with electrical heating core, heats in tube cavity in electricity
It is filled with magnesia powder outside heating core, the reciprocal bending of heating tube forms several U-shaped ends, and the segmental arc of U-shaped end is through two
Secondary bending makes heating tube that hollow cylinder shape be integrally formed, and the both ends of the hollow cylinder are through hydraulic Zhang Bianhou in outer big
The same end of hollow cylinder is arranged in interior small horn opening, assembly casing and binding post.
In the present invention, the reciprocal bending of heating tube forms several U-shaped ends, using after secondary bending be in the hollow cylinder bodily form
Shape, U-shaped end makes have elasticity on the whole, so that the diameter of hollow cylinder has certain latitude, loudspeaker
The setting of shape opening.Compared with prior art, the invention has the following beneficial effects:
1. hollow cylinder itself has good elasticity, the thermal device to be added that diameter is equal or slightly larger than hollow cylinder can be held
Insertion, expands workable size range.
2. heating tube can be made persistently to be clamped in the surface of thermal device to be added since hollow cylinder has elasticity, it can
The deformation of expanding with heat and contract with cold of thermal device to be added is compensated, meanwhile, there can be better thermal conduction effect.
3. obtaining it in small space since heating tube is in hollow cylinder distribution of shapes high-power, can obtaining more
Good heating effect.
The present invention can be used in the heating of various reaction units or detection device.Such as crude oil elemental analysis heating instrument
It is used on upper, metal heat treatmet test block heating device.It uses heat transfer and radiation dual-heated mode simultaneously, has heating
High-efficient, heating speed is fast, small size, powerful advantage.
Itself further improvement lies in that, the segmental arc phase continued access of the open end of the U-shaped end and next U-shaped end, the U
The diameter of the segmental arc of shape end is greater than the open end size of U-shaped end.The structure can guarantee that heating tube has favorable elasticity
While, distribution density with higher, so as to hoisting power.
Itself further improvement lies in that, the angle between the horn opening surface and hollow cylinder center line is
10°—12°.By the setting of the angle, heating device is treated with guiding role, it is facilitated to be inserted into the cavity of hollow cylinder
It is interior.
It is as a further improvement of the present invention, the entire outer diameter of the hollow cylinder is 100-150mm；U-shaped end
The open end spacing of head is 8-12mm, and heating pipe diameter is 8-12mm.The maximum difficulty of the present invention is it in small size
Hollow cylinder shape is made in heating tube in range, above-mentioned dimensional parameters ensure that its high-power advantage small in size.
To realize the technical effect low power in above-mentioned volume, need to design a kind of dedicated tooling, so that secondary
Bending can be carried out according to the requirement of design when bending and molding, for this purpose, the present invention also provides a kind of snakelike bending hollow cylinders
The processing mold of body elasticity heater, including first clamping plate component and second clamping plate component, first clamping plate component and second clamping plate
Component respectively includes two pieces of clamping plates disposed in parallel, there are slit between clamping plate, first clamping plate component and second clamping plate component it
Between through hinge assembly be connected, the handle for rotating bending heating tube is connected on second clamping plate component, the slit can accommodate
The width of U-shaped end insertion after secondary bending, first clamping plate component and second clamping plate component can accommodate continuous 3 just on the whole
A U-shaped end is inserted into the slit, wherein an intermediate U-shaped end straddles on hinge assembly, another two U-shaped end
It is located in the slit on first clamping plate component and second clamping plate component.
Routine techniques can be accomplished in the prior art for bending, and secondary bending then have it is more highly difficult, into
When the secondary bending of row, the part of heating tube is clamped by first clamping plate component and second clamping plate component, pulls handle, twist and warping across
The U-shaped end on hinge assembly is ridden over, by twisting and warping one by one, when the number for twisting and warping angle and U-shaped end to heat to when corresponding to
Hollow cylinder shape is integrally formed in pipe.
In order to guarantee that each U-shaped end bending angle is consistent, set between the first clamping plate component and second clamping plate component
There is a limited step；Limited step is equipped with several limit holes, and the limit that can be inserted into any limit hole is correspondingly provided with limit hole
Position pin, limited step are mutually fixed with first clamping plate component, the connection being connected with second clamping plate component in the hinge assembly
Plate is corresponding with spacer pin, when handle drives second clamping plate component turns to, and connecting plate is made to be in contact with spacer pin, the second folder
Board group part cannot continue to rotate.Heating tube itself has certain resilience, and therefore, the angle of bending needs the angle than setting
It spends bigger, by adjusting position of the spacer pin in different limit holes or adjusts the diameters of spacer pin exposed parts, thus it is possible to vary
The rotatable angle of second clamping plate component, the angle that U-shaped end is bent over when to adjust secondary bending, meanwhile, it may make every
The angle that one U-shaped end is bent over is consistent, and the rounding property of hollow cylinder is more preferable.
The present invention further discloses a kind of processing method of snakelike bending hollow cylinder body elasticity heater, successively
Include the following steps:
1) bending: the heating tube after being heat-treated carries out plane bent, is bent into heating tube back and forth snakelike, each
Bending end forms a U-shaped end；
2) secondary bending: since any position, U-shaped end is straddled on hinge assembly；When first U-shaped end and finally
One U-shaped end straddles when on hinge assembly, in the slit that only one adjacent U-shaped end is inserted；Remaining U
Shape end straddles when on hinge assembly, and first clamping plate component and second clamping plate group are inserted into two adjacent U-shaped ends respectively
In slit on part；Under any of the above-described state, second clamping plate component is pulled to rotate around first clamping plate component by handle, so that across
Ride over the secondary bending in U-shaped end on hinge assembly；Transformation straddles U-shaped tip position and bending again on hinge assembly,
Until all U-shaped ends all bending and moldings, so that heating tube is integrally in hollow cylinder shape；
3) hydraulic side: being matched using molding sleeve, upper mold core and lower mold core, the suitable for reading and position the Xia Kou difference of the molding sleeve
Equipped with molding inner conical surface, upper mold core and lower mold core are equipped with the upper molding conical surface and the lower molding conical surface, the upper molding conical surface and lower molding
The conical surface matches with corresponding molding inner conical surface；Workpiece after secondary bending is placed in molding sleeve, is squeezed by hydraulic axial
Press the suitable for reading and position the Xia Kou flare so that hollow cylinder；Workpiece is taken out after molding.Since heating tube itself has bullet
Property, it is extracted out from molding sleeve with can be convenient, by hydraulic side, it is also possible that the heating tube of not enough rounding itself more becomes
It is bordering on circle.
As a further improvement of the present invention, the angle of the bus and center line that form inner conical surface is 10 ° -12 °.
Itself further improvement lies in that, the lower mold core side is equipped with platform and is used to stretch out for two ends of heating tube
Outside lower mold core, and do not interference with lower mold core.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the structural schematic diagram after heating tube plane bent.
Fig. 3 is the Bending Mould perspective view that heating tube is bent into hollow cylinder.
Fig. 4 is the partial enlarged view of A in Fig. 3.
Fig. 5 is the structural schematic diagram that heating tube is inserted into Bending Mould.
Working principle diagram when Fig. 6 is heating tube bending.
Fig. 7 is hydraulic Zhang Bianmo tool.
Fig. 8 is that hydraulic Zhang Bianmo has working state schematic representation.
Wherein, 1 assembly casing, 2 heating tubes, 2a electrical heating core, 3 first clamping plate components, 4 first cracks, 5 second cracks, 6
Second clamping plate component, 7 handles, 8 hinge assemblies, 8a connecting plate, 9 spacer pins, 10 limit holes, 11 limited steps, 12 molding sleeves,
12a forms inner conical surface, 13 upper mold cores, forms the conical surface on 13a, 14 lower mold cores, forms the conical surface, 14b platform, 15 binding posts under 14a.
Specific embodiment
It as shown in Figure 1, 2, is a kind of snakelike bending hollow cylinder body elasticity heater, including heating tube 2,2 liang of heating tube
A end is provided with assembly casing 1 and binding post 15, and 2 center of heating tube is equipped with electrical heating core 2a, adds in 2 inner cavity of heating tube in electricity
It is filled with magnesia powder outside hot core 2a, the reciprocal bending of the heating tube 2 forms several U-shaped ends, and the segmental arc of U-shaped end is through two
Secondary bending makes heating tube 2 that hollow cylinder shape be integrally formed, and the both ends of the hollow cylinder are through hydraulic Zhang Bianhou in outer big
The same end of hollow cylinder is arranged in interior small horn opening, assembly casing 1 and binding post.
The segmental arc phase continued access of the open end of U-shaped end and next U-shaped end, the diameter of the segmental arc of the U-shaped end
Greater than the open end size of U-shaped end.While the structure can guarantee that heating tube 2 has favorable elasticity, with higher point
Cloth density, so as to hoisting power.
Angle Ω between horn opening surface and hollow cylinder center line is 10 ° -12 °.Pass through setting for the angle
It sets, treats heating device with guiding role, it is facilitated to be inserted into the cavity of hollow cylinder.
The entire outer diameter of hollow cylinder is 100-150mm；The open end spacing a of U-shaped end is 8-12mm, heating tube
2 diameters are 8-12mm.The maximum difficulty of the present invention is that in the range of small size hollow cylinder is made in heating tube 2 by it
Shape, above-mentioned dimensional parameters ensure that its high-power advantage small in size.
In the present invention, the reciprocal bending of heating tube 2 forms several U-shaped ends, using after secondary bending be in hollow cylinder
Shape, U-shaped end makes have elasticity on the whole, so that the diameter of hollow cylinder has certain latitude, loudspeaker
The setting of shape opening.Compared with prior art, the invention has the following beneficial effects:
1. hollow cylinder itself has good elasticity, the thermal device to be added that diameter is equal or slightly larger than hollow cylinder can be held
Insertion, expands workable size range.
2. heating tube 2 can be made persistently to be clamped in the surface of thermal device to be added since hollow cylinder has elasticity, it can
The deformation of expanding with heat and contract with cold of thermal device to be added is compensated, meanwhile, there can be better thermal conduction effect.
3. obtaining it in small space since heating tube 2 is in hollow cylinder distribution of shapes high-power, can obtaining more
Good heating effect.
The present invention can be used in the heating of various reaction units or detection device.Such as crude oil elemental analysis heating instrument
It is used on upper, metal heat treatmet test block heating device.It uses heat transfer and radiation dual-heated mode simultaneously, has heating
High-efficient, heating speed is fast, small size, powerful advantage.
To realize the technical effect low power in above-mentioned volume, need to design a kind of dedicated tooling, so that secondary
Bending can be carried out according to the requirement of design when bending and molding, for this purpose, the present invention also provides a kind of snakelike bending hollow cylinders
The processing mold of body elasticity heater, as seen in figures 3-6, including first clamping plate component 3 and second clamping plate component 6, first clamping plate
Component 3 and second clamping plate component 6 respectively include two pieces of clamping plates disposed in parallel, and there are slit, the respectively first folders between clamping plate
Seam 4 and the second crack 5；It is connected between first clamping plate component 3 and second clamping plate component 6 through hinge assembly 8, second clamping plate component 6
On be connected with handle 7 for rotating bending heating tube 2, slit can accommodate the insertion of the U-shaped end after secondary bending, first clamping plate
The width of component 3 and second clamping plate component 6 can accommodate continuous 3 U-shaped ends just on the whole and be inserted into the slit, such as Fig. 2
In, wherein an intermediate U-shaped end k2 is straddled on hinge assembly 8, and another two U-shaped end k1, k3 are located at the first folder
In the first crack 4 and the second crack 5 on board group part 3 and second clamping plate component 6.
Routine techniques can be accomplished in the prior art for bending, and secondary bending then have it is more highly difficult, into
When the secondary bending of row, the part of heating tube 2 is clamped by first clamping plate component 3 and second clamping plate component 6, pulls handle 7, turn round
The curved U-shaped end straddled on hinge assembly 8, by twisting and warping one by one, when the number for twisting and warping angle and U-shaped end makes to when corresponding to
It obtains heating tube 2 and hollow cylinder shape is integrally formed.
In order to guarantee that each U-shaped end bending angle is consistent, between the first clamping plate component 3 and second clamping plate component 6
Equipped with a limited step 11；Limited step 11 be equipped with several limit holes 10, be correspondingly provided with limit hole 10 can be inserted into it is any
The spacer pin 9 of limit hole 10, limited step 11 are fixed with 3 phase of first clamping plate component, in the hinge assembly 8 and second clamping plate
The connecting plate 8a that component 6 is connected is corresponding with spacer pin 9, makes connecting plate 8a when handle 7 drives second clamping plate component 6 to turn to
When being in contact with spacer pin 9, second clamping plate component 6 cannot be continued to rotate.Heating tube 2 itself has certain resilience, because
This, the angle of bending need it is more bigger than the angle of setting, by adjusting position of the spacer pin 9 in different limit holes 10 or adjustment
The diameter of 9 exposed parts of spacer pin, thus it is possible to vary the rotatable angle of second clamping plate component 6, U-shaped when to adjust secondary bending
The angle that end is bent over, meanwhile, the angle that may make each U-shaped end to be bent over is consistent, the rounding property of hollow cylinder
More preferably.
The invention also discloses a kind of processing methods of snakelike bending hollow cylinder body elasticity heater, successively include such as
Lower step:
1) bending: the heating tube 2 after being heat-treated carries out plane bent, is bent into heating tube 2 back and forth snakelike, often
A bending end forms a U-shaped end；
2) secondary bending: since any position, as shown in Figure 5,6, U-shaped end is straddled on hinge assembly 8；When first
U-shaped end and the last one U-shaped end straddle when on hinge assembly 8, only one adjacent U-shaped end be inserted one
In a slit；Remaining U-shaped end straddles when on hinge assembly 8, and first clamping plate group is inserted into two adjacent U-shaped ends respectively
In slit on part 3 and second clamping plate component 6；Under any of the above-described state, pull second clamping plate component 6 around first by handle 7
Cleat assembly 3 rotates, so that straddling the secondary bending in U-shaped end on hinge assembly 8；Transformation straddles the U on hinge assembly 8
Shape tip position and again bending, until all U-shaped ends all bending and moldings, so that it is in the hollow cylinder bodily form that heating tube 2 is whole
Shape；
3) it hydraulic side: as shown in Figure 7,8, is matched using molding sleeve 12, upper mold core 13 and lower mold core 14, the molding sleeve 12
The suitable for reading and position Xia Kou be respectively equipped with molding sleeve inner conical surface 12a, upper mold core 13 and lower mold core 14 are equipped with upper molding conical surface 13a
With lower molding conical surface 14a, upper molding conical surface 13a and lower molding conical surface 14a match with corresponding molding sleeve inner conical surface 12a；It will
Workpiece after secondary bending is placed in molding sleeve 12, squeezes the suitable for reading and lower mouth position so that hollow cylinder by hydraulic axial
Set flare；Workpiece is taken out after molding.Since heating tube 2 itself has elasticity, extracted out from molding sleeve 12 with can be convenient,
By hydraulic side, it is also possible that the heating tube 2 of not enough rounding itself more levels off to circle.
The bus of above-mentioned molding sleeve inner conical surface 12a and the angle of center line are 10 ° -12 °.14 side of lower mold core is equipped with one
A platform 14b is used to stretch out outside lower mold core 14 for two ends of heating tube 2, and does not interference with lower mold core 14.
The present invention is not limited to the above embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing creative labor
A little replacements and deformation, these replacements and deformation are within the scope of the invention.
Claims (9)
1. a kind of snakelike bending hollow cylinder body elasticity heater, including heating tube, two ends of heating tube are provided with assembly set
Pipe and binding post, heating tube hub is equipped with electrical heating core, heats in tube cavity and be filled with magnesia powder outside electrical heating core, special
Sign is: the reciprocal bending of heating tube forms several U-shaped ends, and the segmental arc of U-shaped end keeps heating tube whole through secondary bending
Body forms hollow cylinder shape, and the both ends of the hollow cylinder are in the small horn opening of outer imperial palace through hydraulic Zhang Bianhou,
The same end of hollow cylinder is arranged in assembly casing and binding post.
2. snakelike bending hollow cylinder body elasticity heater according to claim 1, it is characterised in that: the U-shaped end
Open end and next U-shaped end segmental arc phase continued access, the diameter of the segmental arc of the U-shaped end is greater than opening for U-shaped end
Mouth end size.
3. snakelike bending hollow cylinder body elasticity heater according to claim 1, it is characterised in that: described tubaeform to open
Angle between discharge surface and hollow cylinder center line is 10 ° -12 °.
4. described in any item snakelike bending hollow cylinder body elasticity heaters according to claim 1-3, it is characterised in that: institute
The entire outer diameter for stating hollow cylinder is 100-150mm；The open end spacing of U-shaped end is 8-12mm, and heating pipe diameter is
8—12mm。
5. a kind of processing mold of snakelike bending hollow cylinder body elasticity heater, it is characterised in that: including first clamping plate component
With second clamping plate component, first clamping plate component and second clamping plate component respectively include two pieces of clamping plates disposed in parallel, between clamping plate
There are slits, are connected between first clamping plate component and second clamping plate component through hinge assembly, connect on second clamping plate component useful
In the handle of rotation bending heating tube, the slit can accommodate the insertion of the U-shaped end after secondary bending, first clamping plate component and the
The width of second splint component can accommodate continuous 3 U-shaped ends just on the whole and be inserted into the slit, wherein an intermediate U
Shape end straddles on hinge assembly, and another two U-shaped end is located at narrow on first clamping plate component and second clamping plate component
In seam.
6. a kind of processing mold of snakelike bending hollow cylinder body elasticity heater according to claim 5, feature exist
In: a limited step is equipped between the first clamping plate component and second clamping plate component；Limited step is equipped with several limits
Hole is correspondingly provided with the spacer pin that can be inserted into any limit hole with limit hole, and limited step is mutually fixed with first clamping plate component, described
The connecting plate being connected with second clamping plate component in hinge assembly is corresponding with spacer pin, when handle drives second clamping plate component
It turns to when connecting plate being made to be in contact with spacer pin, second clamping plate component cannot continue to rotate.
7. a kind of processing method of snakelike bending hollow cylinder body elasticity heater according to claim 1, feature exist
In in turn including the following steps:
1) bending: the heating tube after being heat-treated carries out plane bent, is bent into heating tube back and forth snakelike, each
Bending end forms a U-shaped end；
2) secondary bending: since any position, U-shaped end is straddled on hinge assembly；When first U-shaped end and finally
One U-shaped end straddles when on hinge assembly, in the slit that only one adjacent U-shaped end is inserted；Remaining U
Shape end straddles when on hinge assembly, and first clamping plate component and second clamping plate group are inserted into two adjacent U-shaped ends respectively
In slit on part；Under any of the above-described state, second clamping plate component is pulled to rotate around first clamping plate component by handle, so that across
Ride over the secondary bending in U-shaped end on hinge assembly；Transformation straddles U-shaped tip position and bending again on hinge assembly,
Until all U-shaped ends all bending and moldings, so that heating tube is integrally in hollow cylinder shape；
3) hydraulic side: being matched using molding sleeve, upper mold core and lower mold core, the suitable for reading and position the Xia Kou difference of the molding sleeve
Equipped with molding inner conical surface, upper mold core and lower mold core are equipped with the upper molding conical surface and the lower molding conical surface, the upper molding conical surface and lower molding
The conical surface matches with corresponding molding inner conical surface；Workpiece after secondary bending is placed in molding sleeve, is squeezed by hydraulic axial
Press the suitable for reading and position the Xia Kou flare so that hollow cylinder；Workpiece is taken out after molding.
8. a kind of processing method of snakelike bending hollow cylinder body elasticity heater according to claim 7, feature exist
In the bus and the angle of center line of molding inner conical surface be 10 ° -12 °.
9. a kind of processing method of snakelike bending hollow cylinder body elasticity heater according to claim 7, feature exist
A platform is equipped in: the lower mold core side to be used to stretch out outside lower mold core for two ends of heating tube, and not with lower mold core
Interference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910806323.2A CN110446280A (en) | 2019-08-29 | 2019-08-29 | Snakelike bending hollow cylinder body elasticity heater, its processing mold and processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910806323.2A CN110446280A (en) | 2019-08-29 | 2019-08-29 | Snakelike bending hollow cylinder body elasticity heater, its processing mold and processing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115673179A (en) * | 2023-01-03 | 2023-02-03 | 季华实验室 | Cage-shaped heating wire winding device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060289474A1 (en) * | 2003-12-23 | 2006-12-28 | Johnson J E | Tubular heater and method of manufacture |
| CN101018434A (en) * | 2006-02-08 | 2007-08-15 | 霍特塞特电热元件和附件有限责任公司 | A device for heating tubular items |
| CN201332509Y (en) * | 2008-12-17 | 2009-10-21 | 海尔集团公司 | Heating pipe and heater with the same |
| CN103506495A (en) * | 2013-10-12 | 2014-01-15 | 芜湖开瑞金属科技有限公司 | Bending and forming die for automobile hollow lifting hook |
| CN106060985A (en) * | 2016-07-08 | 2016-10-26 | 苏州新业电子股份有限公司 | PTC water-heating heater |
| CN208175012U (en) * | 2018-04-18 | 2018-11-30 | 乐清市德久电气科技有限公司 | A kind of copper sheathing heater |
| CN210928004U (en) * | 2019-08-29 | 2020-07-03 | 江苏裕兴电器有限公司 | Snake-shaped bending hollow cylinder elastic heater |
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2019
- 2019-08-29 CN CN201910806323.2A patent/CN110446280A/en active Pending
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| US20060289474A1 (en) * | 2003-12-23 | 2006-12-28 | Johnson J E | Tubular heater and method of manufacture |
| CN101018434A (en) * | 2006-02-08 | 2007-08-15 | 霍特塞特电热元件和附件有限责任公司 | A device for heating tubular items |
| CN201332509Y (en) * | 2008-12-17 | 2009-10-21 | 海尔集团公司 | Heating pipe and heater with the same |
| CN103506495A (en) * | 2013-10-12 | 2014-01-15 | 芜湖开瑞金属科技有限公司 | Bending and forming die for automobile hollow lifting hook |
| CN106060985A (en) * | 2016-07-08 | 2016-10-26 | 苏州新业电子股份有限公司 | PTC water-heating heater |
| CN208175012U (en) * | 2018-04-18 | 2018-11-30 | 乐清市德久电气科技有限公司 | A kind of copper sheathing heater |
| CN210928004U (en) * | 2019-08-29 | 2020-07-03 | 江苏裕兴电器有限公司 | Snake-shaped bending hollow cylinder elastic heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115673179A (en) * | 2023-01-03 | 2023-02-03 | 季华实验室 | Cage-shaped heating wire winding device and method |
| CN115673179B (en) * | 2023-01-03 | 2023-03-10 | 季华实验室 | Cage-shaped heating wire winding device and method |
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