CN204220748U - A kind of pipe fitting expanding processing mold - Google Patents

A kind of pipe fitting expanding processing mold Download PDF

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Publication number
CN204220748U
CN204220748U CN201420297458.3U CN201420297458U CN204220748U CN 204220748 U CN204220748 U CN 204220748U CN 201420297458 U CN201420297458 U CN 201420297458U CN 204220748 U CN204220748 U CN 204220748U
Authority
CN
China
Prior art keywords
enlarging
pipe fitting
active
pipe
block
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.)
Expired - Fee Related
Application number
CN201420297458.3U
Other languages
Chinese (zh)
Inventor
洪记周
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.)
Wuhu Meizhi Air Conditioning Equipment Co Ltd
Original Assignee
Wuhu Meizhi Air Conditioning Equipment 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 Wuhu Meizhi Air Conditioning Equipment Co Ltd filed Critical Wuhu Meizhi Air Conditioning Equipment Co Ltd
Priority to CN201420297458.3U priority Critical patent/CN204220748U/en
Application granted granted Critical
Publication of CN204220748U publication Critical patent/CN204220748U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of pipe fitting expanding processing mold, comprise enlarging active section, enlarging active section is connected and composed by the multiple enlarging blocks be circumferentially evenly arranged, and the outer surface of enlarging block is arc surface and the arc surface of each enlarging block is coaxial.The pipe fitting expanding processing mold that the utility model provides, by the main part of enlarging active section being arranged to be made up of multiple enlarging block, enlarging active section is made to be incomplete cylindrical structural, like this add man-hour processed pipe part and the working face of enlarging active section between the iron filings that produce because of extrusion friction can discharge outside mould through the space between enlarging active section and pipe fitting, avoid iron filings and wearing and tearing are caused to enlarging face, ensure that the size of processed pipe fitting and the smoothness of inwall; In addition, the contact area of enlarging active section and pipe fitting inner wall can also be reduced, thus can greatly reduce to add man-hour because of fricative heat, avoid pipe fitting mouth of pipe surface oxidation to produce foreign material, finally can improve pipe fitting expanding crudy.

Description

A kind of pipe fitting expanding processing mold
Technical field
The utility model relates to tool fixture, particularly relates to a kind of pipe fitting expanding processing mold.
Background technology
For pipe fitting used on air-conditioner, need to carry out expanding to the mouth of pipe place of pipe fitting, the size at pipe fitting mouth of pipe place is increased.
At present, be the method using mould to coordinate rotary extrusion type for pipe fitting mouth of pipe place expanding, by the outer wall of the processed pipe fitting of mold high speed rotary squeezing, by the enlarged diameter of the mouth of pipe to required size.
But, in process, internal wall of pipe orifice has a small amount of material and is ground by mold work position, but because the working position of mould and enlarging active section are complete cylindrical structural, together with what pipe fitting inner wall and mold work position were tight embrace, cannot be drained by the material ground, but grinding repeatedly between pipe fitting inner wall and mold work position, constantly pile up at mold work position and increase, have following impact like this:
1) make the size of the working position of mould increase, cause the size of processing pipe fitting to become defective greatly, make cannot connect between pipe fitting.
2) one deck not rough working surface of specification is formed in the working position of mould, cause processed pipe fitting internal wall of pipe orifice rough, if pipe fitting connects other pipe fitting in being, when inwall rough can affect welding, the flowing of solder, has influence on the welding quality that the mouth of pipe connects.
3) mold work position and the whole disc of pipe fitting inner wall extrude high-speed friction, because contact surface is large, pipe fitting is to add man-hour caloric value large, cause the temperature at pipe fitting processed mouth of pipe place very high, thus it is serious to make the pipe fitting mouth of pipe be oxidized, surface produces more oxidation impurities, between pipe fitting during connecting welding, the flowing of solder when oxidation impurities can affect welding, has influence on the welding quality that the mouth of pipe connects.
Utility model content
The utility model provides a kind of pipe fitting expanding processing mold, and object improves pipe fitting expanding crudy.
To achieve these goals, the technical scheme that the utility model is taked is:
A kind of pipe fitting expanding processing mold of the present utility model, comprises enlarging active section, and enlarging active section is connected and composed by the multiple enlarging blocks be circumferentially evenly arranged, and the outer surface of enlarging block is arc surface and the arc surface of each enlarging block is coaxial.
Described enlarging block circumferentially arranges 2 to 4.
Described enlarging active section also comprises and to be connected with described enlarging block end and to be conical flaring head.
Pipe fitting expanding processing mold also comprises gripping section, and gripping section and described enlarging active section lay respectively at the two ends of mould.
The pipe fitting expanding processing mold that the utility model provides, by the main part of enlarging active section being arranged to be made up of multiple enlarging block, enlarging active section is made to be incomplete cylindrical structural, like this add man-hour processed pipe part and the working face of enlarging active section between the iron filings that produce because of extrusion friction can discharge outside mould through the space between enlarging active section and pipe fitting, iron filings can not be piled up between pipe fitting and working face, avoid iron filings and wearing and tearing are caused to enlarging face, ensure that the size of processed pipe fitting and the smoothness of inwall; In addition, the contact area of enlarging active section and pipe fitting inner wall can also be reduced, thus can greatly reduce to add man-hour because of fricative heat, reduce the temperature of the pipe fitting mouth of pipe, avoid pipe fitting mouth of pipe surface oxidation to produce foreign material, finally can improve pipe fitting expanding crudy.
Accompanying drawing explanation
This description comprises the following drawings, shown content respectively:
Fig. 1 is the structural representation of the utility model mould;
Fig. 2 is the A direction view of mould shown in Fig. 1 when being provided with two enlarging blocks;
Fig. 3 is the A direction view of mould shown in Fig. 1 when being provided with three enlarging blocks;
Fig. 4 is the A direction view of mould shown in Fig. 1 when being provided with four enlarging blocks;
Fig. 5 is structural representation when carrying out expanding;
Be labeled as in figure:
1, gripping section; 2, enlarging active section; 21, enlarging block; 22, enlarging face; 23, flaring head.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, detailed description of the invention of the present utility model is described in further detail, object is that help those skilled in the art conceives utility model of the present utility model, technical scheme has more complete, accurate and deep understanding, and contributes to its enforcement.
In order to solve prior art Problems existing and overcome its defect, improve the expanding quality of air-conditioner pipe fitting used, the technical scheme that the utility model is taked is:
As shown in Figures 1 to 4, a kind of pipe fitting expanding processing mold of the utility model, is mainly used in the expanding of air-conditioner pipe fitting used.This mould comprises gripping section and enlarging active section, and gripping section is used for adding clamp mode tool in man-hour, and enlarging active section is used for carrying out enlarging to pipe fitting in inserting pipe elements, and gripping section and reducing active section lay respectively at the two ends of mould.Enlarging active section is connected and composed by the multiple enlarging blocks be circumferentially evenly arranged, and the outer surface of enlarging block is arc surface and the arc surface of each enlarging block is coaxial, and coaxial with gripping section.The enlarging active section entirety formed by enlarging block is like this incomplete cylindrical structural coaxial with gripping section, the working face of enlarging active section is the incomplete face of cylinder, thus add enlarging in man-hour active section and insert after in processed pipe fitting, space is left between enlarging active section and pipe fitting, the iron filings produced because of extrusion friction between the working face of processed pipe fitting and enlarging active section can be discharged outside mould through the space between enlarging active section and pipe fitting, iron filings can not be piled up between pipe fitting and working face, avoid iron filings and wearing and tearing are caused to enlarging face, ensure that the size of processed pipe fitting and the smoothness of inwall, in addition, the contact area of enlarging active section and pipe fitting inner wall can also be reduced, thus can greatly reduce to add man-hour because of fricative heat, reduce the temperature of the pipe fitting mouth of pipe, avoid pipe fitting mouth of pipe surface oxidation to produce foreign material, finally can improve pipe fitting expanding crudy.
Specifically, enlarging block is the axis being parallel of rod-like structure, its length and gripping section, and each enlarging block is connected integral in inner side, the outer surface of enlarging block forms the working face of non-full circle, the diameter at this working face place and the interior diameter equal and opposite in direction required by the processed pipe fitting mouth of pipe.Enlarging block circumferentially arranges 2 to 4.
As preferably, as shown in Figure 2, enlarging block is provided with 2, and 2 enlarging blocks are integrated machine-shaping.The plane of upper and lower surface for paralleling of 2 enlarging blocks, is adding man-hour, is forming space between the upper and lower surface of enlarging block and pipe fitting inner wall.Arrange 2 enlarging blocks, under the prerequisite meeting expanding requirement, the structure of the enlarging active section of formation is simple, easy to process, and the space of the larger volume that can be formed with pipe fitting inner wall.
As variant embodiment, as shown in Figure 3, enlarging block is provided with 3 altogether, and 3 enlarging blocks are integrated machine-shaping.Angle between adjacent 2 enlarging blocks is 120 degree, and can form the V-shaped groove that angle is 120 degree like this between adjacent 2 enlarging blocks, V-shaped groove is namely as the space between pipe fitting inner wall.
As another variant embodiment, as shown in Figure 3, enlarging block is provided with 4 altogether, and 4 enlarging blocks are integrated machine-shaping.Angle between adjacent 2 enlarging blocks is 90 degree, and can form the V-shaped groove that angle is 90 degree like this between adjacent 2 enlarging blocks, V-shaped groove is namely as the space between pipe fitting inner wall.
As shown in Figure 1, enlarging active section also comprises and to be connected with the same end of each enlarging block and to be conical flaring head, and the effect of flaring head is the mouth of pipe progressively distending making pipe fitting when expanding, so that make pipe fitting expanding shaping in enlarging block inserting pipe elements.Flaring head links into an integrated entity at bigger diameter end and enlarging block, the diameter of the bigger diameter end of flaring head and equal with the diameter of the working face that the outer surface of enlarging block is formed.Taper seat on flaring head is as compressive plane during expanding, when carrying out expanding to pipe fitting, the conical surface contact of pipe fitting end face first and on flaring head, along with the High Rotation Speed of mould, flaring head extruding pipe fitting inner wall, makes pipe fitting mouth of pipe distending gradually, until in the complete inserting pipe elements of enlarging block, the outer surface of pipe fitting inner wall and enlarging block and the taper seat of flaring head are fitted, and namely as shown in Figure 5, the enlarged diameter of the processed pipe fitting mouth of pipe are reached the size of needs.
Below by reference to the accompanying drawings the utility model is exemplarily described.Obviously, the utility model specific implementation is not subject to the restrictions described above.As long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; Or without improvement, above-mentioned design of the present utility model and technical scheme directly applied to other occasion, all within protection domain of the present utility model.

Claims (4)

1. a pipe fitting expanding processing mold, comprises enlarging active section, it is characterized in that: described enlarging active section is connected and composed by the multiple enlarging blocks be circumferentially evenly arranged, and the outer surface of enlarging block is arc surface and the arc surface of each enlarging block is coaxial.
2. pipe fitting expanding processing mold according to claim 1, is characterized in that: described enlarging block circumferentially arranges 2 to 4.
3. pipe fitting expanding processing mold according to claim 1 and 2, is characterized in that: described enlarging active section also comprises and to be connected with described enlarging block end and to be conical flaring head.
4. pipe fitting expanding processing mold according to claim 3, is characterized in that: also comprise gripping section, and gripping section and described enlarging active section lay respectively at the two ends of mould.
CN201420297458.3U 2014-06-05 2014-06-05 A kind of pipe fitting expanding processing mold Expired - Fee Related CN204220748U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420297458.3U CN204220748U (en) 2014-06-05 2014-06-05 A kind of pipe fitting expanding processing mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420297458.3U CN204220748U (en) 2014-06-05 2014-06-05 A kind of pipe fitting expanding processing mold

Publications (1)

Publication Number Publication Date
CN204220748U true CN204220748U (en) 2015-03-25

Family

ID=52918891

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420297458.3U Expired - Fee Related CN204220748U (en) 2014-06-05 2014-06-05 A kind of pipe fitting expanding processing mold

Country Status (1)

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CN (1) CN204220748U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106552848A (en) * 2016-11-14 2017-04-05 芜湖通和汽车管路系统股份有限公司 For the core muscle of automobile pipeline bending
CN110435228A (en) * 2019-08-14 2019-11-12 义乌市给力机械设备有限公司 A kind of flaring closing device for papery telescopic pipet automatic casing production line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106552848A (en) * 2016-11-14 2017-04-05 芜湖通和汽车管路系统股份有限公司 For the core muscle of automobile pipeline bending
CN110435228A (en) * 2019-08-14 2019-11-12 义乌市给力机械设备有限公司 A kind of flaring closing device for papery telescopic pipet automatic casing production line

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150325

Termination date: 20170605