CN110038940B - Pipe orifice finishing device - Google Patents

Pipe orifice finishing device Download PDF

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Publication number
CN110038940B
CN110038940B CN201910368918.4A CN201910368918A CN110038940B CN 110038940 B CN110038940 B CN 110038940B CN 201910368918 A CN201910368918 A CN 201910368918A CN 110038940 B CN110038940 B CN 110038940B
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CN
China
Prior art keywords
trimming
pipe fitting
pipe
feeding
rocker arm
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.)
Active
Application number
CN201910368918.4A
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Chinese (zh)
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CN110038940A (en
Inventor
田凯
李杨
鲁鹏
张秀峰
王鹏鹏
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.)
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment Co Ltd
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai, Zhuhai Gree Intelligent Equipment Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201910368918.4A priority Critical patent/CN110038940B/en
Publication of CN110038940A publication Critical patent/CN110038940A/en
Application granted granted Critical
Publication of CN110038940B publication Critical patent/CN110038940B/en
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    • 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
    • B21D19/005—Edge deburring or smoothing
    • 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
    • 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
    • B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The present invention provides a nozzle trimming apparatus, including: a main body portion; a trimming portion mounted on the body portion, the trimming portion having a punch, at least a portion of the trimming portion being movably disposed to drive the punch to move; the feeding part is arranged on the main body part and is provided with a pipe fitting accommodating area, and at least part of the feeding part is movably arranged so as to drive a pipe fitting in the pipe fitting accommodating area to move; the feeding part is provided with a feeding position and a trimming position; when the feeding part is at the trimming position, at least part of the punch is inserted into the pipe orifice of the pipe fitting so as to trim the pipe orifice of the pipe fitting; and the pressing part is at least partially movably arranged, and when the feeding part is in the trimming position, the pressing part is driven to press the pipe into the pipe accommodating area of the feeding part. The pipe orifice trimming device solves the problem that burrs on the inner side of the pipe wall generated by pipe fitting cutting in the prior art are difficult to clean.

Description

Pipe orifice finishing device
Technical Field
The invention relates to the field of machining, in particular to a pipe orifice trimming device.
Background
During machining, it is often necessary to cut the pipe.
At present, when a pipe fitting is cut, a mechanical cutting mode is widely adopted, a large amount of burrs are easily generated at the pipe orifice of the cut pipe fitting, the burrs on the inner side of the pipe wall are usually difficult to clean, and the existence of the burrs easily causes adverse effects on subsequent production operation. For example: the existence of the burrs on the inner side of the pipe wall leads to difficulty in penetrating the core rod into the pipe fitting, and in some occasions with higher requirements on machining precision, the burrs on the inner side of the pipe wall have more remarkable influence on subsequent machining, thereby bringing troubles to production operators.
Disclosure of Invention
The invention mainly aims to provide a pipe orifice trimming device to solve the problem that burrs on the inner side of a pipe wall generated by cutting a pipe fitting in the prior art are difficult to clean.
In order to achieve the above object, the present invention provides a nozzle dressing apparatus comprising: a main body portion; a trimming portion mounted on the body portion, the trimming portion having a punch, at least a portion of the trimming portion being movably disposed to drive the punch to move; the feeding part is arranged on the main body part and is provided with a pipe fitting accommodating area, and at least part of the feeding part is movably arranged so as to drive a pipe fitting in the pipe fitting accommodating area to move; the feeding part is provided with a feeding position and a trimming position; when the feeding part is at the trimming position, at least part of the punch is inserted into the pipe orifice of the pipe fitting so as to trim the pipe orifice of the pipe fitting; the pressing part is movably arranged at least in part so as to press the pipe fitting or the feeding part; when the feeding part is at the trimming position, the pressing part presses the pipe fitting or the feeding part so as to press the pipe fitting in the pipe fitting accommodating area of the feeding part under the pressing action of the pressing part.
Further, the trimming portions are two, and the two trimming portions are arranged at intervals to drive the two punches to move in opposite directions or move back to back through the two trimming portions, so that the corresponding pipe orifices of the pipe fittings are trimmed through the two punches respectively.
Further, the trimming portion includes a trimming drive portion, at least a portion of which is movably disposed, and the punch is mounted on the trimming drive portion to drive the punch to move by the trimming drive portion.
Further, the material loading portion includes: a rocker arm having a rotation shaft, the rocker arm being rotatably connected to the main body portion through the rotation shaft to switch the loading portion between the loading position and the trimming position by rotation of the rocker arm; the pipe fitting fixed part, the pipe fitting holds the district and is located the pipe fitting fixed part, and the at least part of pipe fitting fixed part holds district movably setting for the pipe fitting to fix the pipe fitting and hold the district at the pipe fitting, the pipe fitting fixed part is installed on the rocking arm, in order to rotate through the rocking arm, drives the motion of pipe fitting fixed part.
Further, the nozzle trimming apparatus includes: the feeding driving part is installed on the main body part and provided with a driving end, the driving end is movably arranged along a preset direction, and the driving end is connected with the rocker arm so as to drive the rocker arm to rotate through the feeding driving part.
Further, the pipe orifice trimming device comprises a guide structure, and the guide structure is used for connecting the main body part and the rocker arm so as to guide the rocker arm in the swinging process of the rocker arm.
Further, the rocking arm swings under the effect of thrust, and the thrust acts on the rocking arm along the predetermined direction, and guide structure includes: a first sliding groove provided on the main body portion, the first sliding groove extending in a predetermined direction; the second sliding chute is arranged on the rocker arm and extends along the length direction of the rocker arm; the first sliding part is inserted in the first sliding groove and the second sliding groove and is in sliding fit with the first sliding groove and the second sliding groove respectively.
Further, the guide structure includes: the third sliding chute is arranged on the main body part and is an arc-shaped groove which is arranged around the axis of the rotating shaft; and the second sliding piece is in sliding fit with the third sliding groove and is connected with the rocker arm.
Further, the tube fixing portion includes: the positioning block is provided with a positioning hole so as to position the pipe fitting by penetrating the pipe fitting into the positioning hole.
Further, the pipe fixing part comprises a clamping piece, and at least part of the clamping piece is rotatably arranged on the positioning block; when the feeding part is in the trimming position, the pressing part presses on the clamping piece so as to press the pipe fitting through the clamping piece.
The pipe orifice trimming device applying the technical scheme of the invention comprises a main body part; a trimming portion mounted on the body portion, the trimming portion having a punch, at least a portion of the trimming portion being movably disposed to drive the punch to move; the feeding part is arranged on the main body part and is provided with a pipe fitting accommodating area, and at least part of the feeding part is movably arranged so as to drive a pipe fitting in the pipe fitting accommodating area to move; the feeding part is provided with a feeding position and a trimming position; when the feeding part is at the trimming position, at least part of the punch is inserted into the pipe orifice of the pipe fitting so as to trim the pipe orifice of the pipe fitting; the pressing part is movably arranged at least in part so as to press the pipe fitting or the feeding part; when the feeding part is at the trimming position, the pressing part presses the pipe fitting or the feeding part so as to press the pipe fitting in the pipe fitting accommodating area of the feeding part under the pressing action of the pressing part. The pipe fitting is conveyed to the trimming position through the feeding part, the pipe fitting is compressed and fixed through the compressing part, then the trimming part drives the punch to insert into the pipe fitting, and therefore burrs on the inner wall of the pipe orifice are cleaned, and the problem that burrs on the inner side of the pipe wall generated by cutting the pipe fitting in the prior art are difficult to clean is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a feed block of an embodiment of a nozzle trimming apparatus according to the present invention in a trimming position;
FIG. 2 shows a schematic structural view of a loading section of an embodiment of a nozzle trimming apparatus according to the present invention in a loading position;
FIG. 3 is an enlarged schematic view showing a partial structure of the nozzle trimming apparatus according to FIG. 2;
FIG. 4 shows a schematic front view of an embodiment of a nozzle trimming apparatus according to the present invention;
FIG. 5 is a schematic cross-sectional view of the nozzle trimming assembly of FIG. 4 taken along line A-A;
fig. 6 is an enlarged schematic view showing a partial structure of the nozzle trimming apparatus according to fig. 5.
Wherein the figures include the following reference numerals:
1. a main body portion; 11. a first chute; 2. a trimming section; 21. a punch; 22. a dressing drive section; 3. a feeding part; 31. a rocker arm; 311. a rotating shaft; 312. a second chute; 32. a pipe fitting fixing portion; 321. positioning blocks; 322. positioning holes; 323. a clamping member; 4. a feeding drive part; 5. a pressing part; 6. a first slider.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 6, the present invention provides a nozzle trimming apparatus, including: a main body part 1; a dressing part 2, the dressing part 2 being mounted on the main body part 1, the dressing part 2 having a punch 21, at least a part of the dressing part 2 being movably disposed to drive the punch 21 to move; the feeding part 3 is installed on the main body part 1, the feeding part 3 is provided with a pipe fitting accommodating area, and at least part of the feeding part 3 is movably arranged to drive a pipe fitting in the pipe fitting accommodating area to move; the feeding part 3 is provided with a feeding position and a trimming position; when the loading section 3 is in the trimming position, at least part of the punch 21 is inserted into the mouth of the pipe to trim the mouth of the pipe; a pressing part 5, at least part of the pressing part 5 is movably arranged to press the pipe or the feeding part 3; when the loading part 3 is in the trimming position, the pressing part 5 presses against the pipe or the loading part 3 to press the pipe into the pipe receiving area of the loading part 3 under the pressing action of the pressing part 5.
The pipe orifice trimming device of the present invention comprises a main body part 1; a dressing part 2, the dressing part 2 being mounted on the main body part 1, the dressing part 2 having a punch 21, at least a part of the dressing part 2 being movably disposed to drive the punch 21 to move; the feeding part 3 is installed on the main body part 1, the feeding part 3 is provided with a pipe fitting accommodating area, and at least part of the feeding part 3 is movably arranged to drive a pipe fitting in the pipe fitting accommodating area to move; the feeding part 3 is provided with a feeding position and a trimming position; when the loading section 3 is in the trimming position, at least part of the punch 21 is inserted into the mouth of the pipe to trim the mouth of the pipe; a pressing part 5, at least part of the pressing part 5 is movably arranged to press the pipe or the feeding part 3; when the loading part 3 is in the trimming position, the pressing part 5 presses against the pipe or the loading part 3 to press the pipe into the pipe receiving area of the loading part 3 under the pressing action of the pressing part 5. Transport the pipe fitting through material loading portion 3 and repairment the position to compress tightly fixedly through pressing tightly 5 to the pipe fitting, then by 2 drive drifts 21 insert the pipe fitting in the portion of repairing, thereby clear up the burr of mouth of pipe inner wall, solved the problem that the inboard burr of pipe wall that the pipe fitting cutting among the prior art produced is difficult to the clearance.
Specifically, the trimming portions 2 are two, and the two trimming portions 2 are arranged at intervals so as to drive the two punches 21 to move in opposite directions or move away from each other through the two trimming portions 2, so as to trim the corresponding pipe orifices of the pipe respectively through the two punches 21. Therefore, synchronous trimming of the pipe orifices at the two ends of the pipe fitting can be realized, and the trimming efficiency of the pipe orifices is improved.
Specifically, the trimming section 2 includes a trimming drive section 22, at least a part of the trimming drive section 22 is movably provided, and the punch 21 is mounted on the trimming drive section 22 to drive the punch 21 to move by the trimming drive section 22.
In the present embodiment, the punch 21 is detachably connected to the finisher driving portion 22. Thus, different punches 21 can be replaced according to different pipe fittings so as to trim different pipe fittings; meanwhile, the detachable structure is convenient to replace when the punch 21 is damaged, and the use is convenient.
Specifically, the dresser drive 22 is a first cylinder having a retractable first cylinder rod.
Specifically, at least part of the outer peripheral surface of the punch 21 is matched with the inner wall of the pipe. By matching at least part of the outer peripheral surface of the punch 21 with the inner wall surface of the pipe fitting, the punch 21 can more effectively contact the inner wall of the pipe fitting, and the effect of trimming the pipe orifice is improved. Preferably, the edge of the punch 21 is provided with a guide surface to allow the punch 21 to be more easily inserted into the interior of the pipe by the guide surface.
Specifically, the feeding section 3 includes: a swing arm 31, the swing arm 31 having a rotation shaft 311, the swing arm 31 being rotatably connected with the main body portion 1 through the rotation shaft 311 to switch the loading portion 3 between the loading position and the trimming position by rotation of the swing arm 31; pipe fitting fixed part 32, pipe fitting accommodation area are located pipe fitting fixed part 32, and at least part of pipe fitting fixed part 32 holds district movably setting for the pipe fitting to fix the pipe fitting and hold the district at the pipe fitting, pipe fitting fixed part 32 is installed on rocking arm 31, and in order to drive the motion of pipe fitting fixed part 32 through rocking arm 31's rotation.
In this embodiment, the nozzle trimming apparatus includes: and the feeding driving part 4 is installed on the main body part 1, the feeding driving part 4 is provided with a driving end, the driving end is movably arranged along a preset direction, and the driving end is connected with the rocker arm 31 so as to drive the rocker arm 31 to rotate through the feeding driving part 4.
Specifically, the feeding driving portion 4 is a second cylinder having a retractable second cylinder rod, the end of the second cylinder rod is a driving end, and the end of the second cylinder rod is connected to the rocker arm 31 so as to drive the rocker arm 31 to rotate through the extension of the second cylinder rod.
In order to allow the swing arm 31 to be charged more smoothly, the nozzle trimming device includes a guide structure for connecting the main body portion 1 and the swing arm 31 to guide the swing arm 31 during the swing of the swing arm 31.
According to specific conditions, the guide structure can be arranged in the following two ways:
in a first arrangement, the rocker arm 31 is pivoted by an urging force acting on the rocker arm 31 in a predetermined direction, and the guide structure comprises: a first slide groove 11, the first slide groove 11 being provided on the main body portion 1, the first slide groove 11 extending in a predetermined direction; a second slide groove 312, the second slide groove 312 being provided on the rocker arm 31, the second slide groove 312 extending in a length direction of the rocker arm 31; the first sliding part 6 is inserted in the first sliding groove 11 and the second sliding groove 312, and the first sliding part 6 is in sliding fit with the first sliding groove 11 and the second sliding groove 312 respectively. Therefore, the rocker arm 31 swings, the first sliding piece 6 can slide in the first sliding groove 11 and the second sliding groove 312 again, the rocker arm 31 is guided, the sliding blocks can adjust the positions of the sliding blocks in the first sliding groove 11 and the second sliding groove 312 according to different angles of the rocker arm 31, and the use is flexible.
In a second arrangement, the guide structure comprises: the third sliding groove is arranged on the main body part 1, and is an arc-shaped groove which is arranged around the axis of the rotating shaft 311; and the second sliding piece is in sliding fit with the third sliding chute and is connected with the rocker arm 31. In this way, the second slider can move along the third sliding slot in the shape of a circular arc during the swinging of the rocker arm 31, guiding the rocker arm 31.
In order to effectively fix the pipe, the pipe fixing portion 32 includes: the positioning block 321 is provided with a positioning hole 322 on the positioning block 321, so that the pipe fitting is positioned by penetrating the pipe fitting into the positioning hole 322.
Specifically, the pipe fixing portion 32 includes a clamping member 323, and at least a part of the clamping member 323 is rotatably mounted on the positioning block 321; when the loading section 3 is in the trimming position, the pressing section 5 presses against the clamp 323 to press the pipe by the clamp 323. In this way, the clamping part 323 can be pressed by the pressing part 5 to clamp and fix the pipe, so that the fixing effect of the pipe is improved, and the pipe orifice of the pipe is more stably repaired.
Specifically, the pressing part 5 is a third cylinder having a telescopic third cylinder rod, and the clamping member 323 is located in the extending direction of the third cylinder rod, so as to drive the clamping member 323 to press the pipe when the third cylinder rod extends.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the pipe orifice trimming device of the present invention comprises a main body part 1; a dressing part 2, the dressing part 2 being mounted on the main body part 1, the dressing part 2 having a punch 21, at least a part of the dressing part 2 being movably disposed to drive the punch 21 to move; the feeding part 3 is installed on the main body part 1, the feeding part 3 is provided with a pipe fitting accommodating area, and at least part of the feeding part 3 is movably arranged to drive a pipe fitting in the pipe fitting accommodating area to move; the feeding part 3 is provided with a feeding position and a trimming position; when the loading section 3 is in the trimming position, at least part of the punch 21 is inserted into the mouth of the pipe to trim the mouth of the pipe; a pressing part 5, at least part of the pressing part 5 is movably arranged to press the pipe or the feeding part 3; when the loading part 3 is in the trimming position, the pressing part 5 presses against the pipe or the loading part 3 to press the pipe into the pipe receiving area of the loading part 3 under the pressing action of the pressing part 5. Transport the pipe fitting through material loading portion 3 and repairment the position to compress tightly fixedly through pressing tightly 5 to the pipe fitting, then by 2 drive drifts 21 insert the pipe fitting in the portion of repairing, thereby clear up the burr of mouth of pipe inner wall, solved the problem that the inboard burr of pipe wall that the pipe fitting cutting among the prior art produced is difficult to the clearance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A nozzle trimming apparatus, characterized by comprising:
a main body (1);
a finishing portion (2), the finishing portion (2) being mounted on the main body portion (1), the finishing portion (2) having a punch (21), at least a portion of the finishing portion (2) being movably arranged to drive the punch (21) in motion;
the feeding part (3) is mounted on the main body part (1), the feeding part (3) is provided with a pipe fitting accommodating area, and at least part of the feeding part (3) is movably arranged to drive a pipe fitting in the pipe fitting accommodating area to move; the feeding part (3) is provided with a feeding position and a trimming position; -when the loading portion (3) is in the trimming position, at least part of the punch (21) is inserted into the mouth of the pipe to trim it;
a pressing part (5), at least part of the pressing part (5) is movably arranged to press the pipe or the feeding part (3); when the feeding part (3) is in the trimming position, the pressing part (5) presses the pipe or the feeding part (3) so as to press the pipe in a pipe accommodating area of the feeding part (3) under the pressing action of the pressing part (5);
the feeding part (3) comprises: a swing arm (31), the swing arm (31) having a rotation shaft (311), the swing arm (31) being rotatably connected with the main body portion (1) through the rotation shaft (311) to switch the loading portion (3) between the loading position and the trimming position by rotation of the swing arm (31); the pipe fitting fixing part (32) is positioned on the pipe fitting fixing part (32), at least part of the pipe fitting fixing part (32) is movably arranged relative to the pipe fitting accommodating part so as to fix the pipe fitting in the pipe fitting accommodating part, and the pipe fitting fixing part (32) is arranged on the rocker arm (31) so as to drive the pipe fitting fixing part (32) to move through the rotation of the rocker arm (31);
the tube fixing part (32) includes: the pipe fitting positioning device comprises a positioning block (321), wherein a positioning hole (322) is formed in the positioning block (321), so that the pipe fitting is positioned by penetrating the pipe fitting into the positioning hole (322).
2. The device of claim 1, wherein the number of the trimming portions (2) is two, and the two trimming portions (2) are spaced apart from each other so that the two punches (21) are driven by the two trimming portions (2) to move toward or away from each other, thereby respectively trimming the corresponding nozzles of the pipe by the two punches (21).
3. A nozzle trimming apparatus according to claim 1, wherein the trimming portion (2) comprises a trimming drive portion (22), at least part of the trimming drive portion (22) being movably arranged, the punch (21) being mounted on the trimming drive portion (22) to drive the punch (21) in movement by the trimming drive portion (22).
4. The orifice finishing device of claim 1, comprising:
the feeding driving part (4) is installed on the main body part (1), the feeding driving part (4) is provided with a driving end, the driving end is movably arranged along a preset direction, and the driving end is connected with the rocker arm (31) so as to drive the rocker arm (31) to rotate through the feeding driving part (4).
5. The device according to claim 1, characterized in that it comprises a guide structure for connecting the body portion (1) with the rocker arm (31) for guiding the rocker arm (31) during oscillation of the rocker arm (31).
6. The device of claim 5, wherein the rocker arm (31) oscillates under the action of an urging force acting on the rocker arm (31) in a predetermined direction, the guide structure comprising:
a first runner (11), the first runner (11) being provided on the main body portion (1), the first runner (11) extending in the predetermined direction;
a second runner (312), the second runner (312) being provided on the rocker arm (31), the second runner (312) extending in a length direction of the rocker arm (31);
the first sliding piece (6) is inserted into the first sliding groove (11) and the second sliding groove (312), and the first sliding piece (6) is in sliding fit with the first sliding groove (11) and the second sliding groove (312) respectively.
7. The orifice trimming apparatus of claim 5, wherein the guide structure comprises:
the third sliding groove is arranged on the main body part (1), and is an arc-shaped groove which is arranged around the axis of the rotating shaft (311);
and the second sliding piece is in sliding fit with the third sliding chute and is connected with the rocker arm (31).
8. The orifice finishing device of claim 1, wherein the tube securing portion (32) comprises a clamping member (323), at least a portion of the clamping member (323) being rotatably mounted on the positioning block (321); when the feeding part (3) is in the trimming position, the pressing part (5) presses the clamping piece (323) so as to press the pipe through the clamping piece (323).
CN201910368918.4A 2019-05-05 2019-05-05 Pipe orifice finishing device Active CN110038940B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910368918.4A CN110038940B (en) 2019-05-05 2019-05-05 Pipe orifice finishing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910368918.4A CN110038940B (en) 2019-05-05 2019-05-05 Pipe orifice finishing device

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Publication Number Publication Date
CN110038940A CN110038940A (en) 2019-07-23
CN110038940B true CN110038940B (en) 2020-07-24

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748631A (en) * 1952-02-11 1956-06-05 Babcock & Wilcox Co Tube end shaping apparatus
CN101607284A (en) * 2009-06-24 2009-12-23 无锡市雄伟精工机械厂 Thin-wall product warping edge shaper and shaping methods
CN202741534U (en) * 2012-07-25 2013-02-20 玉溪市兴红太阳能设备有限公司 Vacuum tube solar water heater project header inner container port shaping flanging all-in-one machine
CN103350379A (en) * 2013-07-26 2013-10-16 常州机电职业技术学院 Automatic trimming device for end portions of pipe fittings
CN104325348A (en) * 2014-10-31 2015-02-04 郑州市长城机器制造有限公司 Pipe element trimming machine with automatic feeding and discharging functions
CN107537943A (en) * 2017-08-22 2018-01-05 东莞市蓉工自动化科技有限公司 A kind of precise positioning blowing pipe expander

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748631A (en) * 1952-02-11 1956-06-05 Babcock & Wilcox Co Tube end shaping apparatus
CN101607284A (en) * 2009-06-24 2009-12-23 无锡市雄伟精工机械厂 Thin-wall product warping edge shaper and shaping methods
CN202741534U (en) * 2012-07-25 2013-02-20 玉溪市兴红太阳能设备有限公司 Vacuum tube solar water heater project header inner container port shaping flanging all-in-one machine
CN103350379A (en) * 2013-07-26 2013-10-16 常州机电职业技术学院 Automatic trimming device for end portions of pipe fittings
CN104325348A (en) * 2014-10-31 2015-02-04 郑州市长城机器制造有限公司 Pipe element trimming machine with automatic feeding and discharging functions
CN107537943A (en) * 2017-08-22 2018-01-05 东莞市蓉工自动化科技有限公司 A kind of precise positioning blowing pipe expander

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