CN114523262A

CN114523262A - Method for processing two-section stainless steel pot handle

Info

Publication number: CN114523262A
Application number: CN202210130259.2A
Authority: CN
Inventors: 周建清
Original assignee: Zhejiang Red Pepper Kitchenware Co ltd
Current assignee: Zhejiang Red Pepper Kitchenware Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-05-24
Anticipated expiration: 2042-02-11
Also published as: CN114523262B

Abstract

The invention discloses a processing method of a two-section stainless steel pot handle, which comprises a handle head, a handle section, a plugging piece and a plugging piece, wherein the handle head, the handle section, the plugging piece and the plugging piece are formed and cut by a metal pipe through water expansion to obtain the handle section, one end of the handle section is a small-mouth end, the other end of the handle section is a large-mouth end, a through hole capable of being inserted into the plugging piece is punched out of the handle section, two ends of the plugging piece are welded and fixed with the handle section, the handle head is attached to the end face of the small-mouth end and is welded and fixed through flash welding, the welded part is polished and polished, and the plugging piece is fixedly installed from the large-mouth end of the inserted handle section. Compared with the prior art, the invention has the advantages that the handle section is formed by water expansion, thereby reducing the error rate and loss when the handle section is formed; the rear end face of the crown is attached to the end face of the small end of the crown section and is welded and fixed through flash welding, so that the materials required by the crown are reduced, and the production cost is reduced.

Description

Method for processing two-section stainless steel pot handle

Technical Field

The invention relates to the technical field of pot handles, in particular to a two-section stainless steel pot handle, and particularly relates to a processing method of the two-section stainless steel pot handle.

Background

The existing pot handle is generally divided into a wood handle, a bakelite handle plate and a metal handle, wherein the metal handle is favored by most users due to bright color and long service life, the metal handle at least comprises two sections, including a handle head connected with a pot body and a handle section fixedly connected with the handle head, the handle head generally adopts an aluminum casting, the handle section adopts a stainless steel pipe body, the metal sheet is generally bent and welded to form in the processing of the handle section by manufacturers at present, but the handle section sometimes has a modeling structure, local cracking is easy to occur during the forming, the deformation is not changed in the specification, and the error rate is high during the forming of the handle section, and the loss is large during the production.

Most of the metal handle crown such as the one mentioned in the handle of the pot tool provided in the patent with the publication number CN202436888U is provided with a protruding head which can be inserted into the handle section, and the material required for the crown is increased, resulting in the increase of the production cost in the actual production.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a method for processing a two-section stainless steel pot handle, which has low error rate of handle section forming and reduced production cost.

The technical scheme adopted by the invention for solving the technical problems is as follows: the processing method of the two-section stainless steel pan handle is characterized by comprising a handle head, a handle section, a plugging piece and a plug piece which form the pan handle, the processing steps of the pan handle are as follows,

s1: one metal pipe is formed by water expansion, and a handle section is formed on the metal pipe;

s2: cutting the metal pipe to obtain a handle section, wherein a large opening end and a small opening end are arranged on the handle section;

s3: a through hole is punched at the position close to the large opening end of the handle section;

s4: the rear end face of the handle head is attached to the end face of the small end of the handle section, and flash welding is carried out;

s5: inserting a plug piece provided with a hooking hole into the through hole of the handle section, wherein the hooking hole and the through hole are arranged in the same direction, and two ends of the plug piece are welded and fixed with the handle section;

s6: polishing the welding spot at the welding position;

s7: polishing the semi-finished product with the polished welding spots;

s8: the plugging piece is arranged at the large opening end of the handle section and is fixedly installed.

Further, the water expansion ratio of the metal pipe is less than or equal to 1: 1.3.

furthermore, the small end of the two handle sections on the metal pipe formed by water expansion is close to/connected with each other.

Further, the size of the large opening end is larger than that of the small opening end.

Further, both ends of the plug member are flush with the outer surface of the shank segment.

Furthermore, the plugging piece is provided with an insertion part inserted into the end part of the large opening and a stop part attached to the end part of the large opening.

Furthermore, the plugging piece material includes a rubber piece or a plastic piece, and a coating is arranged on the plugging piece.

Further, the insertion part is inserted into the large-opening end and fixed in an interference mode.

The processing method of the two-section stainless steel pan handle is characterized by comprising a handle head, a handle section, a plugging piece and a plug piece which form the pan handle, the processing steps of the pan handle are as follows,

s6: the plugging piece is arranged at the large opening end of the handle section and is welded, the pan handle is completely installed, and the pan handle is an unprocessed piece;

s7: polishing the welding spots on the untreated piece;

s8: and polishing the unprocessed part with the polished welding spot.

Further, the blocking piece comprises a metal piece/sheet metal.

Compared with the prior art, the invention has the advantages that the handle section is formed by water expansion, the error rate of the handle section during forming is reduced, and the loss is reduced; the crown is attached to the end face of the small end of the crown section and is welded and fixed through flash welding, so that the materials needed by the crown are reduced, and the production cost is reduced.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the invention, and further that, unless otherwise indicated, the drawings are only schematic in nature and represent compositions or configurations of the described objects and may contain exaggerated displays, and that the drawings are not necessarily drawn to scale.

FIG. 1 is a flow chart of a process for manufacturing a one-pot handle according to an embodiment;

FIG. 2 is a schematic structural view of a metal tube formed into a shank segment without water expansion;

FIG. 3 is a schematic structural view of a metal tube after one-time water expansion molding;

FIG. 4 is a schematic structural view of the metal tube after two water swelling forming;

FIG. 5 is a schematic structural view of a cut stem section after two water-swelling forming;

FIG. 6 is a schematic view of the punched hole cut from the shank segment;

FIG. 7 is a schematic view showing a state where a crown and a stem segment are welded together;

FIG. 8 is a schematic structural view of the shank segment welded to the crown;

FIG. 9 is a schematic view of the plug in mounted condition;

FIG. 10 is a schematic view showing the state of installation of the plugging member

FIG. 11 is a schematic structural view of a pan handle;

FIG. 12 is one of the cross-sectional views at the handle tail of the pan handle;

FIG. 13 is one of the exploded views at the handle tail of the pan handle;

fig. 14 is a second cross-sectional view of the handle tail of the pan handle;

FIG. 15 is a second exploded view of the handle tail of the pan handle;

FIG. 16 is a flow chart of the processing of the two-pot handle according to the embodiment.

In the figure: 1. a handle section 11, a small opening end 12, a large opening end 13 and a through opening; 2. a blocking piece 21, an insertion part 21a, a connecting hole 22 and a resisting part; 3. a stopper piece 31, a hooking hole; 4. crown, 41, mounting hole.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and those skilled in the art will appreciate that the descriptions are illustrative only, exemplary and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

The embodiment mainly explains the processing method of the two-section stainless steel pot handle with low error rate of the handle section molding and reduced production cost, and concretely comprises the following steps:

example one

As shown in fig. 1 to 11, the processing method of the two-section stainless steel pan handle comprises a handle head 4, a handle section 1, a blocking piece 2 and a blocking piece 3 which form the pan handle, wherein the handle head 4 is generally made of cast aluminum, and the specific processing and installation steps of the pan handle are as follows.

S1: one metal tube is formed by water expansion, and preferably, the metal tube is formed by water expansion at least twice.

In this embodiment, the metal pipe is formed by two water expansions, the metal pipe is not formed by the water expansions as shown in fig. 2, the metal pipe is of a circular pipe structure, the metal pipe formed by the water expansions is as shown in fig. 3, the metal pipe formed by the water expansions is as shown in fig. 4, two handle sections 1 are formed on the metal pipe formed by the water expansions, the initial circular pipe structure is still reserved at two ends of the metal pipe formed by the water expansions, the central position of the metal pipe formed by the water expansions is gradually changed towards two ends, a small opening end 11 and a large opening end 12 are arranged on each of the two handle sections 1 after the water expansions are formed, the size of the large opening end 12 is larger than that of the small opening end 11, and the small opening ends 11 of the two handle sections 1 are close to/connected with each other.

Preferably, the water expansion forming equipment can adopt equipment such as a high-pressure water expansion machine in a pipe fitting manufactured by Guangdong Si Hao high-pressure science and technology limited company.

In order to avoid the situation that the wall surface of the metal pipe is not broken when the metal pipe is subjected to water expansion forming, the water expansion ratio of the metal pipe is generally less than or equal to 1: 1.3.

S2: the metal pipe after two water expansion forming processes is cut to obtain two handle sections 1 shown in figure 5, and the end parts of the small opening end 11 and the large opening end 12 of each handle section 1 are communicated through the pipe hole of the metal pipe.

S3: as shown in fig. 6, the shank segment 1 is punched close to the large mouth end 12 of the shank segment 1, with the through-going opening 13 punched out of the shank segment 1.

S4: as shown in fig. 7 to 8, the rear end face of the crown 4 is attached to the end face of the small-mouth end 11 of the shank segment 1, and is welded and fixed by flash welding, preferably, the crown 4 can be fixedly connected to the pot body by rivet connection, welding connection, screw connection or the like.

In this embodiment, crown 4 can be through the mode fixed connection pot body of rivet connection, is equipped with two mounting holes 41 that run through on crown 4, when two mounting holes 41 left and right sides distribute, runs through the setting from top to bottom with opening 13 on crown 4 welded fastening's the handle section 1.

S5: as shown in fig. 9, the plug member 3 with the hook hole 31 is inserted into the through opening 13 of the handle section 1, the hook hole 31 and the through opening 13 are arranged in the same direction, the two ends of the plug member 3 are welded and fixed with the handle section 1, in order to ensure the aesthetic property of the cooker handle, the two ends of the plug member 3 are flush with the outer surface of the handle section 1, preferably, the plug member 3 can be selected from a metal pipe or a pipe bent into a pipe body by a metal sheet, and the hook hole 31 of the plug member 3 is a pipe hole of the pipe body.

S6: and polishing the welding spots on the handle section 1.

S7: and polishing the semi-finished product with the polished welding spots.

S8: as shown in fig. 10, the blocking piece 2 is arranged at the large mouth end 12 of the handle section 1 and is fixedly installed, so as to form a complete pot handle as shown in fig. 11.

In this embodiment, as shown in fig. 12 to 13, the plugging member 2 is provided with an insertion portion 21 and a stopping portion 22, the insertion portion 21 of the plugging member 2 is inserted into the stem section 1 from the large mouth end 12 of the stem section 1, the insertion end is in interference fit with the stem section 1, and the stopping portion 22 is attached to the end of the large mouth end 12, preferably, the plugging member 2 is in a T-shaped structure.

The blocking member 2 may be made of rubber or plastic, and preferably, the blocking member 2 may also be made of metal.

In order to ensure the aesthetic property, the outer surface of the blocking piece 2 made of rubber or plastic is pre-plated, a plating layer is formed on the outer surface of the blocking piece 2, the color of the plating layer can be kept consistent with the color of the handle section 1, preferably, the blocking piece 2 can be partially plated, that is, only the abutting part 22 of the blocking piece 2 is plated, and stickers such as glue and the like can be arranged between the abutting part 22 and the end part of the large opening end 12 of the handle section 1 for sticking and fixing.

In the above processing steps, the processing sequence of S4 and S5 can be changed.

Example two

The difference with the first embodiment lies in that the mounting mode of the plugging piece 2 is different, the plugging piece 2 is made of metal, and the plugging piece 2 is arranged at the large-opening end 12 of the handle section 1 and is welded and fixed, namely, the step of forming the handle section by water expansion of the metal pipe is not changed, but the step of mounting the plugging piece 2 is advanced.

As shown in fig. 16, in this embodiment, the specific processing and installation steps of the pan handle are as follows.

The processing steps S1-S5 are detailed in the first embodiment.

S6: as shown in fig. 10, the blocking piece 2 is arranged at the large opening end 12 of the handle section 1 and is welded to form a complete pan handle as shown in fig. 11, but the pan handle is an unprocessed piece.

As shown in fig. 12 to 13, the blocking member 2 is made of a metal member, and the structure of the blocking member 2 may be as in the first embodiment, the insertion portion 21 of the blocking member 2 is inserted into the shank segment 1 from the large mouth end 12 of the shank segment 1, and the stopping portion 22 of the blocking member 2 is attached to the large mouth end 12 of the shank segment 1 and is welded and fixed.

Or as shown in fig. 14 to 15, the plugging member 2 is made of a metal sheet, and the plugging member 2 is attached to the end of the large-opening end 12 and welded and fixed.

S7: and polishing the welding spots on the untreated piece.

S8: and polishing the unprocessed part with the polished welding spot.

In this embodiment, the processing sequence among the three steps S4, S5, and S6 can be arbitrarily changed.

The metals mentioned in the two embodiments can be made of stainless steel in practical production.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when products of the present invention are used, and are used for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

While the above detailed description of the method for machining a two-piece stainless steel pan handle has been provided in accordance with the present invention, and while the principles and embodiments of the present invention have been illustrated and described with reference to specific examples, it should be understood that various changes and modifications can be made therein by one skilled in the art without departing from the principles and spirit of the invention and shall be encompassed by the appended claims.

Claims

1. The processing method of the two-section stainless steel pan handle is characterized by comprising a handle head, a handle section, a plugging piece and a plug piece which form the pan handle, the processing steps of the pan handle are as follows,

s1: one metal pipe is formed through water expansion, and a handle section is formed on the metal pipe;

s6: polishing the welding spot at the welding position;

s7: polishing the semi-finished product with the polished welding spots;

2. The method of claim 1, wherein the water expansion ratio of the metal tube is less than or equal to 1: 1.3.

3. the method of manufacturing a two-piece stainless steel pot handle according to claim 1, wherein the small ends of the two handle pieces of the metal tube formed by water expansion are close to each other/connected to each other.

4. The method of manufacturing a two-piece stainless steel pot handle according to claim 1, wherein the size of the large mouth end is larger than the size of the small mouth end.

5. The method of manufacturing a two-piece stainless steel pot handle according to claim 1, wherein the two ends of the plug member are flush with the outer surface of the handle piece.

6. The method of manufacturing a two-piece stainless steel pot handle according to claim 1, wherein the plugging member has an insertion portion inserted into the large mouth end portion and a stop portion engaging with the end portion of the large mouth end portion.

7. The method for processing the two-section stainless steel pot handle according to claim 1 or 6, wherein the material of the plugging member comprises a rubber member or a plastic member, and the plugging member is provided with a plating layer.

8. The method of manufacturing a two-piece stainless steel pot handle according to claim 7, wherein the insert portion is inserted into the large mouth end and fixed by interference.

9. The processing method of the two-section stainless steel pan handle is characterized by comprising a handle head, a handle section, a plugging piece and a plug piece which form the pan handle, the processing steps of the pan handle are as follows,

s7: polishing the welding spots on the untreated piece;

s8: and polishing the unprocessed part with the polished welding spot.

10. The method of claim 9 wherein the closure member comprises a metal piece.