CN107983854B - Tube expanding clamping mechanism and tube expander with same - Google Patents
Tube expanding clamping mechanism and tube expander with same Download PDFInfo
- Publication number
- CN107983854B CN107983854B CN201711244400.7A CN201711244400A CN107983854B CN 107983854 B CN107983854 B CN 107983854B CN 201711244400 A CN201711244400 A CN 201711244400A CN 107983854 B CN107983854 B CN 107983854B
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- hole
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- 239000002184 metal Substances 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims 2
- 230000004308 accommodation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 1
Classifications
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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
- 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
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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
- 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
- B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a tube expansion clamping mechanism and a tube expander with the same, wherein the tube expansion clamping mechanism is arranged below an expansion rod hanging mechanism for performing tube expansion operation on a metal tube of a heat exchanger and is used for clamping a heat exchange tube of the heat exchanger, and the tube expansion clamping mechanism comprises: the clamping cross beam is arranged below the expansion rod hanging mechanism in a lifting manner; the tube clamping assembly is arranged on the clamping cross beam and ascends and descends along with the clamping cross beam, and is provided with a tube clamping state for clamping the heat exchange tube and a tube releasing state for releasing the heat exchange tube, so that when the heat exchange tube is clamped, an expansion rod of the expansion rod hanging mechanism penetrates through the tube clamping assembly and then stretches into the heat exchange tube to expand the heat exchange tube. The expansion tube clamping mechanism solves the problem that the efficiency of a mode for processing the metal tube of the heat exchanger in the prior art is low.
Description
Technical Field
The invention relates to the field of heat exchanger machining, in particular to a tube expanding clamping mechanism and a tube expander with the same.
Background
In the production process of the heat exchanger, the metal tube and the fins sleeved on the metal tube are tightly combined together, so that good heat transfer and heat conduction can be ensured, and the heat exchanger is light in weight and long in service life.
At present, the method adopted by people is to insert the expansion rod with the ball head into the metal pipe manually to expand the metal pipe, then withdraw the expansion rod, only one pipe can be expanded at a time, the labor intensity is high, and the production efficiency is low. And for the metal tube expansion of the large-scale heat exchanger, it is very difficult to have a tube expander which can expand the metal tube of the large-scale heat exchanger more than once and is convenient for the production of the heat exchanger.
Similarly, when the metal pipe is flared, the flaring device is manually utilized to flare, only one pipe can be flared at a time, the labor intensity is high, and the production efficiency is low. And the flaring of the metal tube of the large-scale heat exchanger is very difficult, and the flaring efficiency is lower.
In addition, in the prior art, the heat exchanger is difficult to position, the positioning effect of the heat exchanger cannot be guaranteed, and then when the expansion rod is utilized to expand the metal tube of the heat exchanger, or when the expander is utilized to expand the metal tube, the expander cannot accurately extend into the metal tube, so that the expansion rod and the expanding quality and the expanding tube and the expanding efficiency are reduced.
Disclosure of Invention
The invention mainly aims to provide a tube expanding clamping mechanism and a tube expander with the same, which are used for solving the problem that the efficiency of a mode for processing a metal tube of a heat exchanger in the prior art is low.
In order to achieve the above object, according to one aspect of the present invention, there is provided an expansion tube clamping mechanism provided below an expansion rod hanging mechanism for performing an expansion operation on a metal tube of a heat exchanger for clamping a heat exchange tube of the heat exchanger, wherein the expansion tube clamping mechanism includes: the clamping cross beam is arranged below the expansion rod hanging mechanism in a lifting manner; the tube clamping assembly is arranged on the clamping cross beam and ascends and descends along with the clamping cross beam, and is provided with a tube clamping state for clamping the heat exchange tube and a tube releasing state for releasing the heat exchange tube, so that when the heat exchange tube is clamped, an expansion rod of the expansion rod hanging mechanism penetrates through the tube clamping assembly and then stretches into the heat exchange tube to expand the heat exchange tube.
Further, the pipe clamp assembly includes: the pipe clamping jaw is arranged in an openable and closable manner, so that the pipe clamping assembly is in a pipe clamping state and a pipe releasing state; the pipe clamping sleeve is sleeved on the pipe clamping jaw and is movably arranged relative to the pipe clamping jaw so as to enable the pipe clamping jaw to be opened or closed.
Further, the pipe clamp assembly further comprises: the pipe body clamping connecting rod is connected with the pipe body clamping jaw, and the pipe body clamping jaw is arranged on the clamping cross beam through the pipe body clamping connecting rod; the pipe body clamping connecting rod is tubular, so that the expansion rod penetrates through the pipe cavity of the pipe body clamping connecting rod.
The expanded pipe clamping mechanism further comprises: the connecting rod positioning assembly is arranged on the clamping cross beam, and the pipe body clamping connecting rod is hung on the connecting rod positioning assembly.
Further, the connecting rod positioning assembly includes: the connecting rod mounting plate is fixed on the clamping cross beam and is provided with a connecting rod mounting hole for the pipe body clamping connecting rod to pass through; the connecting rod clamping plate is movably arranged on one side of the connecting rod mounting plate so as to clamp the pipe body on the connecting rod mounting plate.
Further, a connecting rod clamping hole for the pipe body clamping connecting rod to pass through is formed in the connecting rod clamping plate, and the pipe body clamping connecting rod is provided with a connecting rod supporting flange; the connecting rod clamping plate is movably arranged above the connecting rod mounting plate, so that the connecting rod supporting flange is supported on the connecting rod clamping plate when the connecting rod clamping hole and the connecting rod mounting hole are misplaced; or the connecting rod support flange is enabled to fall off from the connecting rod clamping hole and the connecting rod mounting hole when the connecting rod clamping hole is opposite to the connecting rod mounting hole.
Further, the connecting rod positioning assembly further comprises: the connecting rod locking plate is arranged above the connecting rod clamping plate and is provided with a first flange accommodating hole for accommodating the connecting rod supporting flange; the connecting rod supporting flange is rotatably arranged in the first flange accommodating hole around the axis of the connecting rod supporting flange, a first rotation tangent plane is arranged on the outer peripheral surface of the connecting rod supporting flange, and the hole wall of the connecting rod clamping hole and the hole wall of the connecting rod mounting hole are identical to the outer peripheral surface of the connecting rod supporting flange in shape, so that the connecting rod supporting flange falls off from the connecting rod clamping hole and the connecting rod mounting hole after rotating by a preset angle.
Further, the expanded pipe clamping mechanism further comprises: the sleeve positioning assembly is arranged on the clamping cross beam, and the pipe body clamping sleeve is hung on the sleeve positioning assembly.
Further, the cannula positioning assembly comprises: the sleeve mounting plate is fixed on the clamping cross beam and is provided with a sleeve mounting hole for the pipe body clamping sleeve to pass through; the sleeve clamping plate is movably arranged on one side of the sleeve mounting plate so as to clamp the pipe body clamping sleeve on the sleeve mounting plate.
Further, a sleeve clamping hole for a pipe body clamping sleeve to pass through is formed in the sleeve clamping plate, and the pipe body clamping sleeve is provided with a sleeve supporting flange; the sleeve clamping plate is movably arranged above the sleeve mounting plate, so that the sleeve supporting flange is supported on the sleeve clamping plate when the sleeve clamping hole and the sleeve mounting hole are misplaced; alternatively, the sleeve support flange is disengaged from the sleeve retaining hole and the sleeve mounting hole when the sleeve retaining hole is opposite the sleeve mounting hole.
Further, the cannula positioning assembly further comprises: the sleeve locking plate is arranged above the sleeve clamping plate and is provided with a second flange accommodating hole for accommodating the sleeve supporting flange; the sleeve supporting flange is rotatably arranged in the second flange accommodating hole around the axis of the sleeve supporting flange, a second rotating tangential plane is arranged on the outer peripheral surface of the sleeve supporting flange, and the hole wall of the sleeve clamping hole and the hole wall of the sleeve mounting hole are identical to the outer peripheral surface of the sleeve supporting flange in shape, so that the sleeve supporting flange falls off from the sleeve clamping hole and the sleeve mounting hole after rotating by a preset angle.
Further, the pipe body clamping assemblies are two groups, and the two groups of pipe body clamping assemblies are respectively arranged on two opposite sides of the clamping cross beam.
According to another aspect of the present invention, there is provided a tube expander comprising a expander suspension mechanism and a tube expander clamping mechanism disposed below the expander suspension mechanism, wherein the tube expander clamping mechanism is the tube expander clamping mechanism described above.
The expansion tube clamping mechanism is arranged below an expansion rod hanging mechanism for performing expansion operation on a metal tube of a heat exchanger and is used for clamping the heat exchange tube of the heat exchanger. The pipe expanding and clamping mechanism comprises a clamping cross beam and a pipe body clamping assembly, and the clamping cross beam is arranged below the expansion rod hanging mechanism in a lifting manner; the tube clamping assembly is arranged on the clamping cross beam and ascends and descends along with the clamping cross beam, and is provided with a tube clamping state for clamping the heat exchange tube and a tube releasing state for releasing the heat exchange tube, so that when the heat exchange tube is clamped, an expansion rod of the expansion rod hanging mechanism penetrates through the tube clamping assembly and then stretches into the metal tube to expand the metal tube. The expansion tube clamping mechanism can adjust the position of the expansion tube clamping mechanism and clamp the heat exchange tube according to the condition of the heat exchange tube to be operated by matching the clamping cross beam and the tube body clamping assembly, so that the position of the heat exchange tube is prevented from shifting in the process of processing the expansion tube, the positioning effect of the heat exchange tube is ensured, the expansion rod can accurately extend into the heat exchange tube, and the precision, quality and efficiency of processing the expansion tube are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 illustrates a perspective view of an embodiment of a tube expansion clamping mechanism according to the present invention;
fig. 2 is a perspective view showing a partial structure of the expansion pipe clamping mechanism according to the present invention;
FIG. 3 is a schematic perspective view showing a connecting rod positioning assembly of the expander clamping mechanism according to the present invention; and
fig. 4 shows a schematic structural view of a body clamping assembly and a casing positioning assembly of the expansion tube clamping mechanism according to the present invention.
Wherein the above figures include the following reference numerals:
530. clamping the cross beam; 531. a tube clamping assembly; 5310. the pipe body clamps the clamping jaw; 5311. the tube body clamps the sleeve; 5312. the pipe body clamps the connecting rod; 5313. a connecting rod support flange; 5314. a first rotary tangential plane; 5316. a sleeve support flange; 5317. a second flange receiving hole; 532. a connecting rod positioning assembly; 5320. a connecting rod mounting plate; 5321. a connecting rod clamping plate; 5322. a connecting rod mounting hole; 5323. a connecting rod clamping hole; 5324. a connecting rod locking plate; 5325. a first flange receiving hole; 533. a cannula positioning assembly; 5330. a sleeve mounting plate; 5331. a sleeve mounting hole; 5332. a sleeve clamping plate; 5333. a sleeve clamping hole; 5334. and a sleeve locking plate.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
The invention provides an expansion tube clamping mechanism, please refer to fig. 1-4, the expansion tube clamping mechanism is arranged below an expansion rod hanging mechanism for expanding a metal tube of a heat exchanger, and is used for clamping a heat exchange tube of the heat exchanger, wherein the expansion tube clamping mechanism comprises: the clamping cross beam 530 is arranged below the expansion rod hanging mechanism in a lifting manner; the tube clamping assembly 531, the tube clamping assembly 531 is installed on the clamping beam 530 and is lifted up and down along with the clamping beam 530, the tube clamping assembly 531 has a tube clamping state for clamping the heat exchange tube and a tube releasing state for releasing the heat exchange tube, so that when the heat exchange tube is clamped, the expansion rod of the expansion rod hanging mechanism passes through the tube clamping assembly 531 and then extends into the heat exchange tube to expand the heat exchange tube.
The expansion tube clamping mechanism is arranged below an expansion rod hanging mechanism for performing expansion operation on a metal tube of a heat exchanger and is used for clamping the heat exchange tube of the heat exchanger. The pipe expanding and clamping mechanism comprises a clamping cross beam 530 and a pipe body clamping assembly 531, wherein the clamping cross beam 530 is arranged below the pipe expanding and hanging mechanism in a lifting manner; the tube clamping assembly 531 is installed on the clamping beam 530 and is lifted up and down along with the clamping beam 530, and the tube clamping assembly 531 has a tube clamping state for clamping the heat exchange tube and a tube releasing state for releasing the heat exchange tube, so that when the heat exchange tube is clamped, an expansion rod of the expansion rod hanging mechanism passes through the tube clamping assembly 531 and then extends into the metal tube to expand the metal tube. The expansion tube clamping mechanism is matched with the tube body clamping assembly 531 through the clamping cross beam 530, the position of the expansion tube clamping mechanism can be adjusted according to the condition of the heat exchange tube to be operated, and the heat exchange tube is clamped, so that the position of the heat exchange tube is prevented from shifting in the process of processing the expansion tube, the positioning effect of the heat exchange tube is ensured, the expansion rod can accurately extend into the heat exchange tube, and the precision, quality and efficiency of processing the expansion tube are improved.
In order to achieve the clamping of the heat exchange tube, the tube clamping assembly 531 includes a tube clamping jaw 5310, and the tube clamping jaw 5310 is openably and closably provided so that the tube clamping assembly 531 is in a tube clamping state and a tube releasing state; a tube clamping sleeve 5311 is provided over the tube clamping jaw 5310 and is movably disposed relative to the tube clamping jaw 5310 to open or close the tube clamping jaw 5310.
To achieve connection of the tube gripping jaw 5310 to the gripping beam 530, as shown in FIG. 2, the tube gripping assembly 531 further includes a tube gripping connecting rod 5312, the tube gripping connecting rod 5312 being connected to the tube gripping jaw 5310, the tube gripping jaw 5310 being mounted to the gripping beam 530 by the tube gripping connecting rod 5312; wherein the tube gripping connector 5312 is tubular such that the expansion rod passes through the lumen of the tube gripping connector 5312.
To achieve positioning of the tube clamping connection rod 5312, as shown in FIG. 3, the expansion tube clamping mechanism further includes a connection rod positioning assembly 532, the connection rod positioning assembly 532 being disposed on the clamping beam 530, the tube clamping connection rod 5312 being suspended from the connection rod positioning assembly 532.
In this embodiment, the rod positioning assembly 532 includes a rod mounting plate 5320, the rod mounting plate 5320 being secured to the clamping beam 530, the rod mounting plate 5320 being provided with a rod mounting hole 5322 through which the tube clamping rod 5312 passes.
In this embodiment, the rod positioning assembly 532 includes a rod clamp plate 5321, the rod clamp plate 5321 being movably disposed on one side of the rod mounting plate 5320 to clamp the tube clamping rod 5312 to the rod mounting plate 5320.
In specific implementation, the connecting rod clamping plate 5321 is provided with a connecting rod clamping hole 5323 for the pipe body clamping connecting rod 5312 to pass through, and the pipe body clamping connecting rod 5312 is provided with a connecting rod supporting flange 5313; the connecting rod clamping plate 5321 is movably arranged above the connecting rod mounting plate 5320 so that the connecting rod supporting flange 5313 is supported on the connecting rod clamping plate 5321 when the connecting rod clamping hole 5323 and the connecting rod mounting hole 5322 are misplaced; alternatively, the link support flange 5313 is disengaged from the link locking hole 5323 and the link mounting hole 5322 when the link locking hole 5323 is opposite to the link mounting hole 5322.
In this embodiment, as shown in fig. 1, the link positioning assembly 532 further includes a link locking plate 5324, the link locking plate 5324 being disposed above the link clamping plate 5321, the link locking plate 5324 having a first flange receiving hole 5325 for receiving the link support flange 5313; the connecting rod supporting flange 5313 is rotatably disposed in the first flange accommodating hole 5325 around an axis thereof, a first rotation tangential plane 5314 is disposed on an outer peripheral surface of the connecting rod supporting flange 5313, and a hole wall of the connecting rod clamping hole 5323 and a hole wall of the connecting rod mounting hole 5322 are the same as the outer peripheral surface of the connecting rod supporting flange 5313 in shape, so that the connecting rod supporting flange 5313 falls off from the connecting rod clamping hole 5323 and the connecting rod mounting hole 5322 after rotating by a predetermined angle.
To achieve positioning of the body clamping sleeve 5311, as shown in fig. 4, the expanded pipe clamping mechanism further includes a sleeve positioning assembly 533, the sleeve positioning assembly 533 being disposed on the clamping beam 530, the body clamping sleeve 5311 being suspended from the sleeve positioning assembly 533.
In this embodiment, the ferrule positioning assembly 533 includes a ferrule mounting plate 5330, the ferrule mounting plate 5330 being secured to the clamping beam 530, the ferrule mounting plate 5330 being provided with a ferrule mounting hole 5331 for the tube clamping sleeve 5311 to pass through.
In this embodiment, the cannula positioning assembly 533 comprises a cannula clamp plate 5332, the cannula clamp plate 5332 being movably disposed on one side of the cannula mounting plate 5330 to clamp the tube clamping sleeve 5311 to the cannula mounting plate 5330.
In particular, the sleeve clamp plate 5332 is provided with a sleeve clamp hole 5333 through which the tube clamp sleeve 5311 passes, the tube clamp sleeve 5311 having a sleeve support flange 5316; the ferrule holding plate 5332 is movably disposed above the ferrule mounting plate 5330 such that the ferrule support flange 5316 is supported on the ferrule holding plate 5332 when the ferrule holding hole 5333 is misaligned with the ferrule mounting hole 5331; alternatively, the sleeve support flange 5316 is disengaged from within the sleeve clamping hole 5333 and the sleeve mounting hole 5331 when the sleeve clamping hole 5333 is opposite the sleeve mounting hole 5331.
In this embodiment, the cannula positioning assembly 533 further comprises a cannula locking plate 5334, the cannula locking plate 5334 being disposed above the cannula clamping plate 5332, the cannula locking plate 5334 having a second flange receiving hole 5317 for receiving the cannula support flange 5316; wherein, the sleeve support flange 5316 is rotatably disposed in the second flange accommodating hole 5317 around the axis thereof, a second rotation tangential plane is disposed on the outer peripheral surface of the sleeve support flange 5316, and the hole wall of the sleeve clamping hole 5333 and the hole wall of the sleeve mounting hole 5331 are the same as the outer peripheral surface of the sleeve support flange 5316, so that the sleeve support flange 5316 falls off from the sleeve clamping hole 5333 and the sleeve mounting hole 5331 after rotating by a preset angle.
In particular, the two sets of tube gripping members 531 are disposed on opposite sides of the gripping beam 530, respectively.
The invention also provides a tube expander, which comprises an expansion rod hanging mechanism and a tube expanding clamping mechanism arranged below the expansion rod hanging mechanism, wherein the tube expanding clamping mechanism is the tube expanding clamping mechanism of the embodiment.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
the expansion tube clamping mechanism is arranged below an expansion rod hanging mechanism for performing expansion operation on a metal tube of a heat exchanger and is used for clamping the heat exchange tube of the heat exchanger. The pipe expanding and clamping mechanism comprises a clamping cross beam 530 and a pipe body clamping assembly 531, wherein the clamping cross beam 530 is arranged below the pipe expanding and hanging mechanism in a lifting manner; the tube clamping assembly 531 is installed on the clamping beam 530 and is lifted up and down along with the clamping beam 530, and the tube clamping assembly 531 has a tube clamping state for clamping the heat exchange tube and a tube releasing state for releasing the heat exchange tube, so that when the heat exchange tube is clamped, an expansion rod of the expansion rod hanging mechanism passes through the tube clamping assembly 531 and then extends into the metal tube to expand the metal tube. The expansion tube clamping mechanism is matched with the tube body clamping assembly 531 through the clamping cross beam 530, the position of the expansion tube clamping mechanism can be adjusted according to the condition of the heat exchange tube to be operated, and the heat exchange tube is clamped, so that the position of the heat exchange tube is prevented from shifting in the process of processing the expansion tube, the positioning effect of the heat exchange tube is ensured, the expansion rod can accurately extend into the heat exchange tube, and the precision, quality and efficiency of processing the expansion tube are improved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. An expanded tube clamping mechanism arranged below an expanded rod hanging mechanism for expanding a metal tube of a heat exchanger and used for clamping the heat exchange tube of the heat exchanger, characterized in that the expanded tube clamping mechanism comprises:
a clamping cross beam (530) which is arranged below the expansion rod hanging mechanism in a lifting manner;
a tube clamping assembly (531), wherein the tube clamping assembly (531) is mounted on the clamping cross beam (530) and is lifted along with the clamping cross beam (530), the tube clamping assembly (531) has a tube clamping state for clamping the heat exchange tube and a tube releasing state for releasing the heat exchange tube, so that when the heat exchange tube is clamped, an expansion rod of the expansion rod hanging mechanism passes through the tube clamping assembly (531) and then extends into the heat exchange tube to expand the heat exchange tube;
the pipe clamp assembly (531) includes:
a tube gripping jaw (5310), said tube gripping jaw (5310) being openably and closably arranged to place said tube gripping assembly (531) in said tube gripping state and said tube releasing state;
a tube clamping sleeve (5311) which is sleeved on the tube clamping jaw (5310) and is movably arranged relative to the tube clamping jaw (5310) so as to drive the tube clamping jaw (5310) to open or close;
a tube clamping connection rod (5312), wherein the tube clamping connection rod (5312) is connected with the tube clamping jaw (5310), and the tube clamping jaw (5310) is installed on the clamping cross beam (530) through the tube clamping connection rod (5312); wherein the tube gripping connection rod (5312) is tubular such that the expansion rod passes through the lumen of the tube gripping connection rod (5312).
2. The expansion tube clamping mechanism of claim 1, further comprising:
the connecting rod positioning assembly (532), the connecting rod positioning assembly (532) is arranged on the clamping cross beam (530), and the pipe body clamping connecting rod (5312) is hung on the connecting rod positioning assembly (532).
3. The expansion tube clamping mechanism of claim 2, wherein the connecting rod positioning assembly (532) comprises:
the connecting rod mounting plate (5320), the connecting rod mounting plate (5320) is fixed on the clamping cross beam (530), and a connecting rod mounting hole (5322) for the pipe body clamping connecting rod (5312) to pass through is formed in the connecting rod mounting plate (5320);
the connecting rod clamping plate (5321) is movably arranged on one side of the connecting rod mounting plate (5320) so as to clamp the pipe body clamping connecting rod (5312) on the connecting rod mounting plate (5320).
4. A pipe expander clamping mechanism as claimed in claim 3, wherein the connecting rod clamping plate (5321) is provided with a connecting rod clamping hole (5323) through which the pipe body clamping connecting rod (5312) passes, the pipe body clamping connecting rod (5312) having a connecting rod support flange (5313); the connecting rod clamping plate (5321) is movably arranged above the connecting rod mounting plate (5320) so that the connecting rod supporting flange (5313) is supported on the connecting rod clamping plate (5321) when the connecting rod clamping hole (5323) and the connecting rod mounting hole (5322) are misplaced; or, when the connecting rod clamping hole (5323) is opposite to the connecting rod mounting hole (5322), the connecting rod supporting flange (5313) is separated from the connecting rod clamping hole (5323) and the connecting rod mounting hole (5322).
5. The expansion tube clamping mechanism of claim 4, wherein the connecting rod positioning assembly (532) further comprises:
a connecting rod locking plate (5324), the connecting rod locking plate (5324) being disposed above the connecting rod clamping plate (5321), the connecting rod locking plate (5324) having a first flange receiving hole (5325) for receiving the connecting rod support flange (5313);
the connecting rod supporting flange (5313) is rotatably arranged in the first flange accommodating hole (5325) around the axis of the connecting rod supporting flange, a first rotation tangential plane (5314) is arranged on the outer peripheral surface of the connecting rod supporting flange (5313), the hole wall of the connecting rod clamping hole (5323) and the hole wall of the connecting rod mounting hole (5322) are identical to the outer peripheral surface of the connecting rod supporting flange (5313), so that the connecting rod supporting flange (5313) falls off from the connecting rod clamping hole (5323) and the connecting rod mounting hole (5322) after rotating by a preset angle.
6. The expansion tube clamping mechanism of claim 4, further comprising:
and the sleeve positioning assembly (533), the sleeve positioning assembly (533) is arranged on the clamping beam (530), and the pipe body clamping sleeve (5311) is hung on the sleeve positioning assembly (533).
7. The expansion tube clamping mechanism of claim 6, wherein the sleeve positioning assembly (533) comprises:
the sleeve mounting plate (5330), the sleeve mounting plate (5330) is fixed on the clamping beam (530), and a sleeve mounting hole (5331) for the pipe body clamping sleeve (5311) to pass through is formed in the sleeve mounting plate (5330);
and a sleeve clamping plate (5332), wherein the sleeve clamping plate (5332) is movably arranged on one side of the sleeve mounting plate (5330) so as to clamp the pipe body clamping sleeve (5311) on the sleeve mounting plate (5330).
8. The expansion tube clamping mechanism as claimed in claim 7, wherein a sleeve clamping hole (5333) is provided in the sleeve clamping plate (5332) through which the tube clamping sleeve (5311) passes, the tube clamping sleeve (5311) having a sleeve support flange (5316); the sleeve clamp plate (5332) is movably arranged above the sleeve mounting plate (5330) so that the sleeve support flange (5316) is supported on the sleeve clamp plate (5332) when the sleeve clamp hole (5333) and the sleeve mounting hole (5331) are misplaced; alternatively, the sleeve support flange (5316) is disengaged from the sleeve engagement hole (5333) and the sleeve mounting hole (5331) when the sleeve engagement hole (5333) is opposed to the sleeve mounting hole (5331).
9. The expansion tube clamping mechanism of claim 8, wherein the sleeve positioning assembly (533) further comprises:
a sleeve locking plate (5334), the sleeve locking plate (5334) being disposed above the sleeve clamp plate (5332), the sleeve locking plate (5334) having a second flange receiving hole (5317) for receiving the sleeve support flange (5316);
wherein, sleeve pipe support flange (5316) is rotatable around its axis setting in second flange accommodation hole (5317), be provided with the second rotation tangent plane on the outer peripheral face of sleeve pipe support flange (5316), the pore wall of sleeve pipe draw-in hole (5333) with the shape of the pore wall of sleeve pipe mounting hole (5331) is the same with the shape of the outer peripheral face of sleeve pipe support flange (5316), so that sleeve pipe support flange (5316) is rotated and is followed after predetermining the angle sleeve pipe draw-in hole (5333) with in sleeve pipe mounting hole (5331).
10. The expansion tube clamping mechanism according to claim 1, wherein the tube clamping assemblies (531) are arranged in two groups, the two groups of tube clamping assemblies (531) being arranged on opposite sides of the clamping beam (530) respectively.
11. A tube expander comprising a tube expander suspension mechanism and a tube expander clamping mechanism disposed below the tube expander suspension mechanism, wherein the tube expander clamping mechanism is as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244400.7A CN107983854B (en) | 2017-11-30 | 2017-11-30 | Tube expanding clamping mechanism and tube expander with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244400.7A CN107983854B (en) | 2017-11-30 | 2017-11-30 | Tube expanding clamping mechanism and tube expander with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107983854A CN107983854A (en) | 2018-05-04 |
| CN107983854B true CN107983854B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711244400.7A Active CN107983854B (en) | 2017-11-30 | 2017-11-30 | Tube expanding clamping mechanism and tube expander with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107983854B (en) |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0999334A (en) * | 1995-07-28 | 1997-04-15 | Hidaka Seiki Kk | Device and method for expanding tube |
| CN104289613A (en) * | 2014-09-02 | 2015-01-21 | 宁波奥克斯空调有限公司 | Clamping jaw mechanism of air conditioner pipeline |
| CN105903832A (en) * | 2016-07-05 | 2016-08-31 | 奥美森智能装备股份有限公司 | Fixed structure of U-shaped pipe fixed clamp on pipe expander |
| CN206316259U (en) * | 2016-11-25 | 2017-07-11 | 宁波精达成形装备股份有限公司 | A kind of clamping jaw device of electric tube expander |
| CN206356471U (en) * | 2016-11-30 | 2017-07-28 | 宁波精达成形装备股份有限公司 | The expander roll fixing device of electric tube expander |
| CN207494395U (en) * | 2017-11-30 | 2018-06-15 | 珠海格力智能装备有限公司 | Tube expansion clamp system and with its electric tube expander |
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| CN107983854A (en) | 2018-05-04 |
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