CN113895017A - Oil tank mold for manufacturing fixing piece, fixing piece manufacturing method and fixing piece - Google Patents
Oil tank mold for manufacturing fixing piece, fixing piece manufacturing method and fixing piece Download PDFInfo
- Publication number
- CN113895017A CN113895017A CN202111194754.1A CN202111194754A CN113895017A CN 113895017 A CN113895017 A CN 113895017A CN 202111194754 A CN202111194754 A CN 202111194754A CN 113895017 A CN113895017 A CN 113895017A
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- Prior art keywords
- flange
- mold
- groove
- oil tank
- manufacturing
- Prior art date
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- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002828 fuel tank Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 10
- 238000000071 blow moulding Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims 2
- 230000003019 stabilising effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 8
- 238000004806 packaging method and process Methods 0.000 abstract description 7
- 230000000087 stabilizing effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7172—Fuel tanks, jerry cans
Abstract
The invention discloses an oil tank mould for manufacturing a fixing piece, a fixing piece manufacturing method and a fixing piece. In the actual operation, only part suppliers need to prepare the bolt column parts independently according to the requirements, and the independent bolt column parts are simple in shape, are not easy to deform in the transportation process, and can improve the space utilization rate of transportation and packaging, so that the transportation cost and the packaging difficulty can be obviously reduced.
Description
Technical Field
The invention relates to the technical field of oil tank processing, in particular to an oil tank die for manufacturing a fixing piece, a fixing piece manufacturing method and a fixing piece.
Background
The fittings (including built-in and external fittings) on the plastic fuel tank are connected by special fixing members made of plastic, and the fixing members usually consist of a bolt portion and a flange portion fixedly connected to the end of the bolt portion. When the oil tank is assembled with the built-in part or the external part, the support rod of the stud part is used for connecting the oil tank body with the accessory, and the flange part penetrates through and is welded on the surface of the oil tank, so that the assembly process of the accessory is completed.
At present, the fuel tank manufacturer usually needs to purchase the complete fixing member from the external part supplier, that is, the flange part and the stud part are processed and manufactured at the part supplier, and after the flange part and the stud part are fixedly connected to form the fixing member, the fixing member is supplied to the fuel tank manufacturer in the form of the whole fixing member by the part supplier.
Because the material and the manufacturing process of the fixing piece are relatively mature at a part supplier, the space for reducing the cost is small; moreover, when the part supplier supplies the whole parts to the oil tank manufacturer, the packaging space of the fixing piece in the whole form is relatively large, so that the transportation cost is increased to a certain extent; meanwhile, in the transportation process, the perpendicularity of the flange part and the bolt column part is difficult to reliably guarantee, and the situation that a certain number of fixing parts deform in a purchased batch of fixing parts is often found, namely the perpendicularity deviation of the flange part and the bolt column part is large, so that the flange part and the bolt column part cannot be used for subsequent assembly of accessories.
Disclosure of Invention
In view of the above, the present invention is directed to provide an oil tank mold, a method for manufacturing a fixing member, and a fixing member for manufacturing a fixing member, which utilize the high temperature softening characteristic of an oil tank parison in the oil tank blow molding process to connect and shape the excess parison at the edge of the oil tank during mold closing molding with an independently prefabricated stud portion, so as to form a flange portion and fixedly connect the flange portion and the stud portion into an integral fixing member, thereby solving the disadvantages of purchasing and transporting the integral fixing member, and reducing the manufacturing cost of the fixing member.
The technical scheme adopted by the invention is as follows:
in a first aspect, a tank mold for manufacturing a fixing member includes a first mold and a second mold for blow molding a tank, wherein: a first flange fixed groove is formed in a preset position on the first die, and a stud accommodating groove is formed in the second die corresponding to the center of the first flange fixed groove.
In at least one possible implementation manner, a second flange fixing groove is formed in the second mold, and the second flange fixing groove is located on the outer side of the stud receiving groove.
In at least one possible implementation manner, the second flange setting groove corresponds to an edge position of the first flange setting groove.
In at least one possible implementation, a stabilizing device is provided in the stud-receiving groove for fastening a post of a stud part placed in the stud-receiving groove.
In at least one possible implementation, the stabilizing device includes any one or more of: claw-shaped clamps, elastic mechanisms, snap-in components or fillers.
In a second aspect, a method for manufacturing a fastener includes:
placing a bolt column part in a bolt column accommodating groove on a second mold, and enabling the end head of the bolt column part to protrude out of the second mold;
in the blow molding process of the oil tank, when a first mold and a second mold are closed, the residual material of the oil tank parison in a softened state between a first flange shaping groove on the first mold and a stud accommodating groove is subjected to extrusion force, a flange part is formed through the first flange shaping groove, and the end head of the stud part is inserted into the flange part and connected with the flange part.
In at least one possible implementation manner, the connection manner of the head end of the stud part and the flange part includes any one or more of the following: embedded, welded or riveted.
In a third aspect, a fastener includes: the fuel tank comprises a separately prefabricated bolt column part and a flange part made of fuel tank parison remnants, wherein the end head of the bolt column part is fixedly connected with the flange part.
In at least one possible implementation manner, the manner of fixedly connecting the head end of the stud part and the flange part includes any one or more of the following manners: embedded, riveted or welded.
In at least one possible implementation thereof:
an embedded groove used for being embedded with the residual material of the oil tank parison is arranged on the side surface of the end head; and/or
A riveting groove used for riveting with the residual material of the oil tank parison is formed in the body of the end head; and/or
And the upper end surface of the end head is provided with a bulge which is used for being welded with the residual material of the oil tank parison.
The design concept of the invention is that through the improvement of the oil tank mould, the flange part of the required fixing piece is made of the redundant part of the oil tank parison while the oil tank is blow-molded, and the flange part and the stud part are synchronously connected and fixed, so that the fixing piece for subsequently assembling the built-in piece or the external piece can be obtained. In the actual operation, only part suppliers need to prepare the bolt column parts independently according to the requirements, and the independent bolt column parts are simple in shape, are not easy to deform in the transportation process, and can improve the space utilization rate of transportation and packaging, so that the transportation cost and the packaging difficulty can be obviously reduced.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings, in which:
fig. 1 is a partial structural schematic view of a fuel tank mold for manufacturing a fixing member according to an embodiment of the invention;
fig. 2 is a schematic flow chart illustrating a method for manufacturing a fixing member according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a state before mold clamping is completed when a fixing member is manufactured according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a state after mold closing is completed when a fixing member is manufactured according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a fixing member according to an embodiment of the present invention;
FIG. 6 is a schematic view of an end structure for riveting of the fixing member according to the embodiment of the present invention;
fig. 7 is a schematic view of a welding tip structure of a fixing member according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The invention provides an embodiment of a tank mold for manufacturing a fixing part, which is specifically shown in fig. 1, and includes a first mold 10 and a second mold 20 (it should be noted that the illustration is a partial position schematic of the molds, but not a complete first mold and a complete second mold), where the first mold 10 and the second mold 20 are generally two sets of tank molds arranged transversely, and in the tank blow molding process, a tank parison between the first mold 10 and the second mold 20 is shaped into a body of a tank by closing the first mold 10 and the second mold 20 on both sides, in order to solve the problems proposed by the foregoing invention and implement the core concept of the invention, the embodiment is to modify the first mold 10 and the second mold 20 as follows, specifically, a first flange shaping groove 11 is formed at a preset position on the first mold 10, a stud receiving groove 2 is formed in the second mold 20 at a central position corresponding to the first flange fixing groove 11. It should be noted that the original object of the present invention is to use the extra parison portion (scrap, leftover) of the tank parison during the tank blow molding process to make the flange portion of the fixing member (also referred to as the flange cap of the fixing member), so it is understood that the preset position is the mold region of the complete tank mold that is not essential to the molding process, such as but not limited to the edge portion of the first mold, and of course, since the first flange setting groove 11 is opposite to the stud receiving groove 2, the position of the stud receiving groove 2 provided on the second mold 20 is also the mold region that is not essential to the molding process, such as but not limited to the edge portion of the second mold.
As described above, the flange portion of the fixing member is generally welded to the tank body when the inner member or the outer member is assembled, and therefore, in addition to the above-described embodiment, it is preferable that the second mold 20 is formed with the second flange setting groove 12, and as shown in fig. 1, the second flange setting groove 12 is located outside the stud receiving groove 2. Preferably, the second flange setting groove 12 may correspond to an edge position of the first flange setting groove 11, that is, when the flange portion of the fixing member is manufactured, a connection portion for subsequent welding with the fuel tank body may extend from an edge of the flange portion, so as to facilitate an assembling operation of the fuel tank fitting.
Further, as mentioned above, normally, the first mold 10 and the second mold 20 are placed in a horizontal direction, and in order to ensure that the flange portion and the stud portion of the fixing member are connected reliably, aligned in position and perpendicular to each other when the fixing member is manufactured, it may be considered to provide a stabilizing device (not shown) in the stud receiving groove 2, wherein the stabilizing device is used for tightly locking the post of the stud portion placed in the stud receiving groove so as to ensure that the stud portion reaches the manufacturing requirement of the fixing member and cannot easily slip out of the stud receiving groove 2, and in actual operation, the stabilizing device may include, but is not limited to, any one or more of the following forms: the claw-shaped clamp, the elastic mechanism, the clamping component or the filler can be realized in a specific mode by referring to positioning, clamping and other similar device mechanisms in the mechanical field. It will be appreciated by those skilled in the art that the stabilization device will ensure that the post portion is stable, yet will also ensure that it is convenient and feasible to place the post portion and remove the completed fastener.
Accordingly, based on the improved oil tank mold, the invention provides an embodiment of a method for manufacturing a fixing member, as shown in fig. 2, 3 and 4, wherein fig. 2 illustrates a manufacturing process, fig. 3 illustrates a manufacturing state before mold closing, and fig. 4 illustrates a manufacturing state after mold closing, specifically:
step S1, placing the stud part 31 in the stud receiving groove 2 of the second mold 20, and making the tip 310 of the stud part 31 protrude from the second mold 20.
Step S2, in the process of blow molding the fuel tank, when the first mold 10 and the second mold 20 are closed, the softened fuel tank parison 30 between the first flange-shaped groove 11 of the first mold 10 and the plug-receiving groove 2 is subjected to a pressing force, and the flange portion 32 is obtained by shaping the first flange-shaped groove 11, and the end 310 of the plug portion 31 is inserted into the flange portion 32 and connected to the flange portion 32. Because the tank parison remnant 30 is in a high-temperature softened state at this stage of manufacture, the connection between the end of the stud portion and the flange portion at the stage of mold clamping can be achieved by any one or more of the following means: embedded, welded or riveted.
Based on the manufacturing method of the fixing piece, the fixing piece for subsequent accessory installation can be manufactured at the same time of forming the fuel tank, and the invention also provides an embodiment of the fixing piece, as shown in fig. 5, the fixing piece comprises a separately prefabricated bolt column part 31 and a flange part 32 made of fuel tank parison remnants, wherein the bolt column part 31 is provided with a head 310 and a support rod 311, and the head 310 is fixedly connected with the flange part 32. In combination with the above-mentioned method for manufacturing the fastening device, the manner of fixedly connecting the head 310 of the stud portion 31 and the flange portion 32 may include any one or more of the following: embedded, riveted or welded. Fig. 5 shows an engagement embodiment in which an insertion groove 3101 for engagement with the tank parison remnant may be formed on the side of the tip 310 of the separately prefabricated plug portion 31, and when the tip 310 is inserted into the softened tank parison remnant 30, a stable engagement relationship with the tank parison remnant 30 may be established by means of the insertion groove 3101, with reference to the above-described manner.
Of course, in addition to that, as shown in fig. 6, the body of the head 310 of the stud portion 31 of the fixing member may be provided with a riveting groove 3102 for riveting with the remainder of the fuel tank parison, and the manufacturing method described above can be referred to, when the head 310 is inserted into the softened fuel tank parison remainder 30, the hot-melt parison can be extruded into the prefabricated riveting groove 3102, so that the head 310 and the fuel tank parison remainder 30 form a stable riveting relationship; as shown in fig. 7, the fixing member may further include a protrusion 3103 on the upper end surface of the head 310 of the stud portion 31 for welding with the tank parison residue, and when the head 310 is inserted into the softened tank parison residue 30, the protrusion 3103 is melted by the high-temperature parison, so that the head 310 and the tank parison residue 30 are firmly welded (i.e., they are welded together). Finally, it should be noted that the connection structure in fig. 5 to 7 is only shown schematically, and when the end 310 is inserted into the softened tank parison residue 30, the shape structure (which is also made of plastic) of the connection structure in the drawings may be changed due to high temperature, that is, the connection structure is different from the connection structure in the drawings, and the description of the invention is omitted.
In summary, the design concept of the invention is that, through improvement of the oil tank mold, the flange part of the required fixing piece is made of the redundant part of the oil tank parison while the oil tank is blow molded, and the flange part and the stud part are synchronously connected and fixed, so that the fixing piece for subsequently assembling the built-in piece or the external piece can be obtained. In the actual operation, only part suppliers need to prepare the bolt column parts independently according to the requirements, and the independent bolt column parts are simple in shape, are not easy to deform in the transportation process, and can improve the space utilization rate of transportation and packaging, so that the transportation cost and the packaging difficulty can be obviously reduced.
In the embodiments of the present invention, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, and means that there may be three relationships, for example, a and/or B, and may mean that a exists alone, a and B exist simultaneously, and B exists alone. Wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" and similar expressions refer to any combination of these items, including any combination of singular or plural items. For example, at least one of a, b, and c may represent: a, b, c, a and b, a and c, b and c or a and b and c, wherein a, b and c can be single or multiple.
The structure, features and effects of the present invention have been described in detail with reference to the embodiments shown in the drawings, but the above embodiments are merely preferred embodiments of the present invention, and it should be understood that technical features related to the above embodiments and preferred modes thereof can be reasonably combined and configured into various equivalent schemes by those skilled in the art without departing from and changing the design idea and technical effects of the present invention; therefore, the invention is not limited to the embodiments shown in the drawings, and all the modifications and equivalent embodiments that can be made according to the idea of the invention are within the scope of the invention as long as they are not beyond the spirit of the description and the drawings.
Claims (10)
1. The utility model provides an oil tank mould for making mounting, is including being used for oil tank blow molding's first mould and second mould, its characterized in that preset position on the first mould is formed with first flange setting groove the central point that corresponds to first flange setting groove on the second mould is formed with the bolt post holding tank.
2. A fuel tank mold for manufacturing a fixing member as recited in claim 1, wherein a second flange setting groove is formed in the second mold, and the second flange setting groove is located outside the stud receiving groove.
3. A tank mould for making fixing elements according to claim 2, characterised in that said second flange shaped groove corresponds to the edge position of said first flange shaped groove.
4. A fuel tank mold for manufacturing a fixing member according to any one of claims 1 to 3, wherein a stabilizer is provided in the stud receiving groove, the stabilizer being configured to fasten a strut of a stud portion placed in the stud receiving groove.
5. A fuel tank mould for making fixing elements according to claim 4 characterised in that the stabilising means comprises any one or more of: claw-shaped clamps, elastic mechanisms, snap-in components or fillers.
6. A method for manufacturing a fixing member using the fuel tank mold according to any one of claims 1 to 5, comprising:
placing a bolt column part in a bolt column accommodating groove on a second mold, and enabling the end head of the bolt column part to protrude out of the second mold;
in the blow molding process of the oil tank, when a first mold and a second mold are closed, the residual material of the oil tank parison in a softened state between a first flange shaping groove on the first mold and a stud accommodating groove is subjected to extrusion force, a flange part is formed through the first flange shaping groove, and the end head of the stud part is inserted into the flange part and connected with the flange part.
7. The method of manufacturing a fixing member according to claim 6, wherein the connection between the head of the stud portion and the flange portion includes any one or more of: embedded, welded or riveted.
8. A fixing piece is characterized by comprising a separately prefabricated bolt column part and a flange part made of an oil tank parison residual material, wherein the end head of the bolt column part is fixedly connected with the flange part.
9. The fastener of claim 8, wherein the means for fixedly connecting the head of the stud portion to the flange portion comprises any one or more of: embedded, riveted or welded.
10. The fastener of claim 8, wherein:
an embedded groove used for being embedded with the residual material of the oil tank parison is arranged on the side surface of the end head; and/or
A riveting groove used for riveting with the residual material of the oil tank parison is formed in the body of the end head; and/or
And the upper end surface of the end head is provided with a bulge which is used for being welded with the residual material of the oil tank parison.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111194754.1A CN113895017A (en) | 2021-10-13 | 2021-10-13 | Oil tank mold for manufacturing fixing piece, fixing piece manufacturing method and fixing piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111194754.1A CN113895017A (en) | 2021-10-13 | 2021-10-13 | Oil tank mold for manufacturing fixing piece, fixing piece manufacturing method and fixing piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113895017A true CN113895017A (en) | 2022-01-07 |
Family
ID=79191865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111194754.1A Pending CN113895017A (en) | 2021-10-13 | 2021-10-13 | Oil tank mold for manufacturing fixing piece, fixing piece manufacturing method and fixing piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113895017A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000334817A (en) * | 1999-05-26 | 2000-12-05 | Minoru Kasei Kk | Fastening structure in blow-molded body |
| JP2003019743A (en) * | 2001-07-09 | 2003-01-21 | Nippon Plast Co Ltd | Air spoiler molding method and mold assembly for molding air spoiler |
| CN101022939A (en) * | 2004-09-23 | 2007-08-22 | 因勒纪汽车系统研究公司 | Method for fixing a component to the wall of a fuel tank |
| CN104986033A (en) * | 2015-07-13 | 2015-10-21 | 亚普汽车部件股份有限公司 | Fuel tank molding rigidity assembly and fuel tank molding method |
-
2021
- 2021-10-13 CN CN202111194754.1A patent/CN113895017A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000334817A (en) * | 1999-05-26 | 2000-12-05 | Minoru Kasei Kk | Fastening structure in blow-molded body |
| JP2003019743A (en) * | 2001-07-09 | 2003-01-21 | Nippon Plast Co Ltd | Air spoiler molding method and mold assembly for molding air spoiler |
| CN101022939A (en) * | 2004-09-23 | 2007-08-22 | 因勒纪汽车系统研究公司 | Method for fixing a component to the wall of a fuel tank |
| CN104986033A (en) * | 2015-07-13 | 2015-10-21 | 亚普汽车部件股份有限公司 | Fuel tank molding rigidity assembly and fuel tank molding method |
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