CN111054836A - Tube expansion and tube opening forming device and machining process thereof - Google Patents

Tube expansion and tube opening forming device and machining process thereof Download PDF

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Publication number
CN111054836A
CN111054836A CN201911407731.7A CN201911407731A CN111054836A CN 111054836 A CN111054836 A CN 111054836A CN 201911407731 A CN201911407731 A CN 201911407731A CN 111054836 A CN111054836 A CN 111054836A
Authority
CN
China
Prior art keywords
pipe fitting
clamping jaw
pipe
tube
driving device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911407731.7A
Other languages
Chinese (zh)
Inventor
龙晓斌
吴吉标
龙晓明
丘冠军
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.)
Oms Machinery Co Ltd
Original Assignee
Oms Machinery 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 Oms Machinery Co Ltd filed Critical Oms Machinery Co Ltd
Priority to CN201911407731.7A priority Critical patent/CN111054836A/en
Publication of CN111054836A publication Critical patent/CN111054836A/en
Pending legal-status Critical Current

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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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B21D39/20—Tube expanders with mandrels, e.g. expandable
    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • 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
    • B21D41/026—Enlarging by means of mandrels
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

The invention discloses a tube expansion and tube orifice forming device and a processing technology thereof. The pipe expanding and flanging device is provided with the clamping jaw capable of clamping or loosening a pipe fitting, the expansion rod capable of expanding the pipe fitting is arranged in the clamping jaw in a sliding mode, the forming assembly used for expanding and flanging the pipe fitting after the expansion rod expands the pipe fitting is arranged between the expansion rod and the clamping jaw in a sliding mode, the pipe fitting is clamped through the clamping jaw firstly, the pipe fitting is prevented from shrinking in the pipe expanding process, then the pipe fitting is expanded through the expansion rod, the clamping jaw is loosened, the forming assembly moves downwards, expanding and flanging are carried out on the pipe fitting, the forming assembly and the expansion rod are arranged coaxially, the structural design is reasonable, the operation steps are simple, and the forming efficiency of the pipe fitting is improved.

Description

Tube expansion and tube opening forming device and machining process thereof
[ technical field ] A method for producing a semiconductor device
The invention relates to a tube expansion and tube orifice forming device and a processing technology thereof.
[ background of the invention ]
The forced pipe expander is used for fixing two ends of a plurality of heat exchanger pipes arranged in the radiating fin, and then expanding the diameters of the heat exchanger pipes to enable the heat exchanger pipes to be tightly combined with the radiating fin, so that looseness is avoided, and the heat conducting performance of the heat exchanger is improved.
The existing forced pipe expander can only expand pipes for pipes on the same station, when the pipe expansion is completed, flaring and flanging are needed to be carried out, and at the moment, the pipes need to be transferred to other flaring and flanging stations for flaring and flanging, so that manpower and material resources are increased, and the working efficiency is reduced.
The present invention has been made in view of the above problems.
[ summary of the invention ]
The invention aims to provide an expansion pipe and flanging integrated device and a processing technology thereof aiming at the defects of the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an expand tube and mouth of pipe forming device which characterized in that, including the clamping jaw that can press from both sides tight or loosen the pipe fitting, the clamping jaw in slide and be provided with the expander roll that can carry out the expand tube to the pipe fitting, slide between expander roll and the clamping jaw and be provided with the shaping subassembly that is used for carrying out the processing to the mouth of pipe fitting after the expander roll is accomplished to the pipe fitting expand tube.
The tube expansion and tube orifice forming device is characterized in that the forming assembly comprises a push rod and a tube orifice forming cup connected with the push rod, and a forming surface is arranged on the tube orifice forming cup.
The pipe expanding and pipe orifice forming device is characterized in that the clamping jaw comprises a clamping part and a clamping jaw sleeve which is arranged outside the clamping part in a sliding mode.
The pipe expanding and pipe orifice forming device is characterized by further comprising a first driving device, a second driving device and a third driving device, wherein the first driving device can drive the clamping jaw sleeve to move up and down relative to the clamping part so as to loosen or clamp the pipe fitting, the second driving device is used for driving the expanding rod to move up and down, and the third driving device drives the forming assembly to move up and down.
The machining process of the tube expansion and tube opening forming device is characterized by comprising the following steps of:
step one, fixing a pipe fitting, and putting a pipe orifice of the pipe fitting into a clamping jaw in a loosening state;
step two, the first driving device drives the clamping jaw to clamp the pipe fitting;
step three, the second driving device drives an expansion rod positioned in the clamping jaw to move downwards and extend into the pipe fitting for pipe expansion;
step four, forming the pipe orifice of the pipe fitting in the clamping jaw; the third driving device drives the forming assembly positioned between the clamping jaw and the expansion rod to move downwards, and the pipe orifice of the pipe fitting positioned in the clamping jaw is processed and formed;
and step five, the third driving device drives the forming assembly to return, and the second driving device drives the expansion rod to return to obtain the formed pipe fitting.
The machining process of the tube expansion and tube opening forming device is characterized by comprising the following steps of:
step one, fixing a pipe fitting, and putting a pipe orifice of the pipe fitting into a clamping jaw in a loosening state;
step two, the first driving device drives the clamping jaw to clamp the pipe fitting;
step three, the second driving device drives an expansion rod positioned in the clamping jaw to move downwards and extend into the pipe fitting for pipe expansion;
step four, the clamping jaw loosens the pipe fitting, and the pipe orifice of the pipe fitting is withdrawn from the clamping jaw;
step five, forming the pipe orifice of the pipe fitting outside the clamping jaw; the third driving device drives the forming assembly positioned between the clamping jaw and the expansion rod to move downwards, and a pipe orifice of a pipe fitting withdrawn from the clamping jaw is processed and formed;
and step six, the third driving device drives the forming assembly to return, and the second driving device drives the expansion rod to return to obtain the formed pipe fitting.
The processing technology of the pipe expanding and pipe orifice forming device is characterized in that in the fourth step, the pipe orifice of the pipe fitting is processed and formed to include flaring, necking or flanging.
Compared with the prior art, the expansion pipe and flanging integrated device and the processing technology thereof have the following beneficial effects:
the pipe expanding and flanging device is provided with the clamping jaw capable of clamping or loosening a pipe fitting, the expansion rod capable of expanding the pipe fitting is arranged in the clamping jaw in a sliding mode, the forming assembly used for expanding and flanging the pipe fitting after the expansion rod expands the pipe fitting is arranged between the expansion rod and the clamping jaw in a sliding mode, the pipe fitting is clamped through the clamping jaw firstly, the pipe fitting is prevented from shrinking in the pipe expanding process, then the pipe fitting is expanded through the expansion rod, the clamping jaw is loosened, the forming assembly moves downwards, expanding and flanging are carried out on the pipe fitting, the forming assembly and the expansion rod are arranged coaxially, the structural design is reasonable, the operation steps are simple, and the forming efficiency of the pipe fitting is improved.
[ description of the drawings ]
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic diagram of a first step of the present invention;
FIG. 4 is a schematic view of step two of the present invention;
FIG. 5 is a schematic view of step three of the present invention;
FIG. 6 is a schematic view of the present invention machining a tubular orifice in a jaw;
figure 7 is a schematic view of a tubular withdrawal jaw of the present invention;
FIG. 8 is a schematic view of a tube of the present invention positioned outside of the jaws for processing;
fig. 9 is a schematic view of a formed tube obtained by the present invention.
[ detailed description ] embodiments
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 9, in this embodiment, a tube expansion and tube opening forming device includes a clamping jaw 1 capable of clamping or loosening a tube, an expansion rod 2 capable of expanding a tube of the tube is slidably disposed in the clamping jaw 1, and a forming assembly 3 for processing a tube opening of the tube after the expansion rod 2 expands the tube of the tube is slidably disposed between the expansion rod 2 and the clamping jaw 1. This application presss from both sides tight fixedly to the pipe fitting earlier through the clamping jaw, prevent that the pipe fitting from contracting when the expand tube, guarantee the precision of expand tube, then the expander roll moves down, expand tube to the pipe fitting, the expand tube is accomplished the back, the clamping jaw loosens the pipe fitting, avoid the shaping subassembly to damage the mould when the flaring turn-ups, at this moment, the shaping subassembly moves down along the axial direction of expand tube, carry out flaring and turn-ups to the pipe fitting, whole device reasonable in design, both can expand tube to the pipe fitting, can carry out flaring and turn-ups again, the shaping efficiency of pipe fitting has been improved.
As shown in fig. 1 to fig. 2, in this embodiment, the forming assembly 3 includes a push rod 31 and a nozzle forming cup 32 connected to the push rod 31, and the nozzle forming cup 32 is provided with a forming surface 321, and the forming surface is used for forming a nozzle of a pipe; in this embodiment, the forming surface 321 may be an inclined surface or a curved surface, the shape of the machined pipe orifice is different, and the shape of the machined pipe orifice may be different for machining the pipe orifice, which is not specifically limited herein.
As shown in fig. 1 to 2, in the present embodiment, the clamping jaw 1 includes a clamping portion 11 and a clamping jaw sleeve 12 slidably disposed outside the clamping portion 11. In this embodiment, the clamping jaw sleeve moves downward relative to the clamping portion, the clamping portion contracts, the clamping jaw is in a clamping state, the clamping jaw sleeve moves upward relative to the clamping portion, the clamping portion opens, and the clamping jaw is in a loosening state.
As shown in fig. 1 to 2, in this embodiment, the pipe fitting loosening and clamping device further includes a first driving device capable of driving the jaw sleeve 12 to move up and down relative to the clamping portion 11 so as to loosen or clamp the pipe fitting, a second driving device for driving the expansion rod 2 to move up and down, and a third driving device for driving the forming assembly 3 to move up and down.
In the embodiment, the clamping jaw, the expansion rod and the forming assembly are arranged in a split manner, and the first driving device can drive the clamping jaw to clamp or loosen the pipe fitting; the second driving device can drive the expansion rod to move downwards so as to expand the pipe fitting; the third driving device can drive the forming assembly to machine and form the pipe orifice of the pipe fitting.
As shown in fig. 1 to 9, in this embodiment, in order to improve the efficiency of expanding and forming the pipe orifice of the pipe fitting, the present application further provides a processing process of the expanding and forming device, which includes the following steps:
step one, fixing a pipe fitting 10, and putting a pipe orifice of the pipe fitting 10 into a clamping jaw 1 in a loosening state;
step two, the first driving device drives the clamping jaw 1 to clamp the pipe fitting; the pipe fitting is prevented from shrinking during pipe expansion, the clamping jaw consists of a clamping part 11 and a clamping jaw sleeve 12 which is arranged outside the clamping part 11 in a sliding mode, the first driving device drives the clamping jaw sleeve to move downwards relative to the clamping part, and the clamping part shrinks and clamps the pipe fitting; the first driving device drives the clamping claw sleeve to move upwards, the clamping part is opened, and then the pipe fitting is loosened;
step three, the second driving device drives the expansion rod 2 positioned in the clamping jaw 1 to move downwards and extend into the pipe fitting 10 for pipe expansion;
step four, forming the pipe orifice of the pipe fitting in the clamping jaw; the third driving device drives the forming assembly 3 positioned between the clamping jaw 1 and the expansion rod 2 to move downwards, and the pipe orifice of the pipe fitting 10 positioned in the clamping jaw 1 is processed and formed;
and step five, the third driving device drives the forming assembly 3 to return, and the second driving device drives the expansion rod 2 to return to obtain a formed pipe fitting.
The pipe expanding and pipe orifice forming of the pipe fitting can be realized on the same station of the same device, and the pipe fitting forming efficiency is improved.
Example two
As shown in fig. 1 to 9, in order to avoid abrasion to the die when the pipe orifice of the pipe fitting is formed, and facilitate the formation of the pipe orifice, the present application further provides a processing technique of the pipe expanding and pipe orifice forming device, which includes:
step one, fixing a pipe fitting 10, and putting a pipe orifice of the pipe fitting 10 into a clamping jaw 1 in a loosening state;
step two, the first driving device drives the clamping jaw 1 to clamp the pipe fitting; the clamping jaw consists of a clamping part 11 and a clamping jaw sleeve 12 which is arranged outside the clamping part 11 in a sliding manner, the first driving device drives the clamping jaw sleeve to move downwards relative to the clamping part, and the clamping part contracts to clamp the pipe fitting; the first driving device drives the clamping claw sleeve to move upwards, the clamping part is opened, and then the pipe fitting is loosened;
step three, the second driving device drives the expansion rod 2 positioned in the clamping jaw 1 to move downwards and extend into the pipe fitting 10 for pipe expansion;
step four, the clamping jaw 1 loosens the pipe fitting, and the pipe orifice of the pipe fitting is withdrawn from the clamping jaw; the clamping jaw is in a loosening state, so that the forming assembly is prevented from damaging a die during flaring;
step five, forming the pipe orifice of the pipe fitting outside the clamping jaw; the third driving device drives the forming assembly 3 positioned between the clamping jaw 1 and the expansion rod 2 to move downwards, and the pipe orifice of the pipe fitting 10 withdrawn from the clamping jaw 1 is processed and formed; the pipe orifice of the pipe fitting is formed outside the clamping jaw, so that the clamping jaw can not abrade the pipe orifice when the pipe orifice is formed, and the forming of the pipe orifice can not be influenced by an external space.
And sixthly, the third driving device drives the forming assembly 3 to return, and the second driving device drives the expansion rod 2 to return to obtain the formed pipe fitting.
As shown in fig. 1 to 9, in step four, the tube 10 is formed to include a flare, a reduction or a flanging.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and the technical solutions that achieve the object of the present invention by basically the same means are within the protection scope of the present invention.

Claims (7)

1. The utility model provides an expand tube and mouth of pipe forming device, its characterized in that, including clamping jaw (1) that can press from both sides tight or loosen the pipe fitting, clamping jaw (1) in slide and be provided with expander roll (2) that can carry out the expand tube to the pipe fitting, it is provided with shaping subassembly (3) that are used for carrying out processing to the mouth of pipe fitting after expander roll (2) are accomplished to the pipe fitting expand tube to slide between expander roll (2) and clamping jaw (1).
2. The tube expansion and tube orifice forming device according to claim 1, wherein the forming assembly (3) comprises a push rod (31) and a tube orifice forming cup (32) connected with the push rod (31), and the tube orifice forming cup (32) is provided with a forming surface (321).
3. The tube expansion and tube orifice forming device according to claim 2, wherein the clamping jaw (1) comprises a clamping portion (11) and a clamping jaw sleeve (12) slidably arranged outside the clamping portion (11).
4. The pipe expanding and pipe orifice forming device of claim 3, further comprising a first driving device which can drive the clamping jaw sleeve (12) to move up and down relative to the clamping part (11) so as to loosen or clamp the pipe, a second driving device which is used for driving the expanding rod (2) to move up and down, and a third driving device which drives the forming assembly (3) to move up and down.
5. The process of manufacturing a tube expander and tube orifice forming device as claimed in claim 4, comprising:
step one, fixing a pipe fitting (10), and placing a pipe orifice of the pipe fitting (10) into a clamping jaw (1) in a loosening state;
step two, the first driving device drives the clamping jaw (1) to clamp the pipe fitting;
step three, the second driving device drives an expansion rod (2) positioned in the clamping jaw (1) to move downwards and extend into the pipe fitting (10) for pipe expansion;
step four, forming the pipe orifice of the pipe fitting in the clamping jaw; the third driving device drives the forming assembly (3) positioned between the clamping jaw (1) and the expansion rod (2) to move downwards, and a pipe orifice of a pipe fitting (10) positioned in the clamping jaw (1) is machined and formed;
and fifthly, the third driving device drives the forming assembly (3) to return, and the second driving device drives the expansion rod (2) to return to obtain the formed pipe fitting.
6. The process of manufacturing a tube expander and tube orifice forming device as claimed in claim 4, comprising:
step one, fixing a pipe fitting (10), and placing a pipe orifice of the pipe fitting (10) into a clamping jaw (1) in a loosening state;
step two, the first driving device drives the clamping jaw (1) to clamp the pipe fitting;
step three, the second driving device drives an expansion rod (2) positioned in the clamping jaw (1) to move downwards and extend into the pipe fitting (10) for pipe expansion;
step four, the clamping jaw (1) loosens the pipe fitting, and the pipe orifice of the pipe fitting is withdrawn from the clamping jaw;
step five, forming the pipe orifice of the pipe fitting outside the clamping jaw; the third driving device drives the forming assembly (3) positioned between the clamping jaw (1) and the expansion rod (2) to move downwards, and a pipe orifice of a pipe fitting (10) withdrawn from the clamping jaw (1) is machined and formed;
and sixthly, the third driving device drives the forming assembly (3) to return, and the second driving device drives the expansion rod (2) to return to obtain the formed pipe fitting.
7. The process of the tube expansion and tube orifice forming device according to claim 5, wherein in the fourth step, the tube orifice of the tube member (10) is formed by flaring, necking or flanging.
CN201911407731.7A 2019-12-31 2019-12-31 Tube expansion and tube opening forming device and machining process thereof Pending CN111054836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911407731.7A CN111054836A (en) 2019-12-31 2019-12-31 Tube expansion and tube opening forming device and machining process thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911407731.7A CN111054836A (en) 2019-12-31 2019-12-31 Tube expansion and tube opening forming device and machining process thereof

Publications (1)

Publication Number Publication Date
CN111054836A true CN111054836A (en) 2020-04-24

Family

ID=70305329

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911407731.7A Pending CN111054836A (en) 2019-12-31 2019-12-31 Tube expansion and tube opening forming device and machining process thereof

Country Status (1)

Country Link
CN (1) CN111054836A (en)

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