CN110355290B - Horizontal pipe expander - Google Patents
Horizontal pipe expander Download PDFInfo
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- CN110355290B CN110355290B CN201910666335.XA CN201910666335A CN110355290B CN 110355290 B CN110355290 B CN 110355290B CN 201910666335 A CN201910666335 A CN 201910666335A CN 110355290 B CN110355290 B CN 110355290B
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- 210000000078 claw Anatomy 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 238000003825 pressing Methods 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013589 supplement Substances 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a horizontal pipe expander, which comprises a frame, a workbench, a fixing device and a pipe expanding device, wherein the workbench is arranged on the frame and is used for placing a workpiece, and the workpiece is provided with a channel; the fixing device is arranged on the frame and used for fixing a workpiece and limiting the front and back expansion of the workpiece; the pipe expanding device is arranged on the frame and comprises an expanding piece which can move in the workpiece channel and has a diameter larger than the inner diameter of the workpiece channel. Through fixing device is to the fixed of work piece, and can restrict the work piece and stretch out and draw back around to at the in-process of processing work piece, the phenomenon that the work piece shortens or extends can not appear, can carry out the expand tube operation to the work piece through the expand tube device, through setting up the diameter of expanding the piece to be greater than the work piece passageway internal diameter, can accomplish the expansion to the work piece at the in-process that the expanding piece pushed the work piece passageway.
Description
Technical Field
The invention relates to the field of tube expanding machines, in particular to a horizontal tube expanding machine.
Background
The tube expander is mainly used for expanding and connecting tubes and tube plates in the manufacture of heat exchangers, condensers, high-pressure heaters and other equipment, most of the existing tube expander is vertical, the vertical tube expander cannot be too high due to the limitation of the height of a factory building, so that the length of a workpiece to be machined is limited, moreover, a large workpiece is not easy to feed, the horizontal tube expander has low requirements on the factory building, longer and larger workpieces can be machined compared with the vertical tube expander, the existing horizontal tube expander expands a workpiece channel through an elastic expansion head, the elastic expansion head stretches into the workpiece channel in a reduced state, and then the expansion head is pulled out after being enlarged, so that the expansion of the workpiece channel is completed.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a horizontal pipe expander which has low production cost and can efficiently and high-quality complete pipe expansion.
According to an aspect of the present invention, there is provided a horizontal type pipe expander comprising:
a frame;
the workbench is arranged on the rack and used for placing a workpiece, and the workpiece is provided with a channel;
the fixing device is arranged on the frame and used for fixing a workpiece and limiting the front and back expansion of the workpiece;
the pipe expanding device is arranged on the frame and comprises an expanding piece which can move in the workpiece channel and has a diameter larger than the inner diameter of the workpiece channel.
According to an aspect of the invention, a horizontal pipe expander, the frame comprises:
the workbench is arranged on the fixing frame;
the first movable bracket is arranged on the fixed frame in a front-back sliding way and is positioned on one side of the workbench;
the second movable bracket is arranged on the fixed bracket in a left-right sliding manner and positioned on the other side of the workbench, and the fixing device is arranged on the first movable bracket and the second movable bracket;
the third movable support can be arranged on the second movable support in an up-down lifting manner, and the pipe expanding device can be arranged on the third movable support in a sliding manner.
According to an aspect of the present invention, a horizontal type pipe expander, the pipe expander comprises:
the expansion rod support plates are slidably arranged on the third movable support, and first through holes corresponding to each other are formed in each expansion rod support plate;
the expansion rod can be slidably arranged in the first through hole in a penetrating mode, and one end of the expansion rod is provided with the expansion piece;
the first driving mechanism is arranged on the fixing frame, the other end of the expansion rod is fixedly arranged at the output end of the first driving mechanism, and the first driving mechanism can drive the expansion rod to move forwards and backwards.
According to an aspect of the present invention, a horizontal pipe expander, the fixing device includes:
the first fixing mechanism is arranged on the first movable bracket in a vertically lifting manner, is positioned on one side of the workbench and is used for fixing one end of a workpiece;
the second fixing mechanism is arranged on the third movable bracket and is positioned on the other side of the workbench and used for fixing the other end of the workpiece.
According to the horizontal pipe expander disclosed by the invention, the frame further comprises a fourth movable support, the fourth movable support comprises a transverse plate, the transverse plate is located above the workbench, the fourth movable support is arranged on the fixing frame in a front-back sliding mode, the fixing device further comprises a pressing door assembly, the pressing door assembly is arranged on the transverse plate in a vertically movable mode, and the pressing door assembly is used for pressing a workpiece.
According to an aspect of the present invention, a horizontal pipe expander, the first fixing mechanism includes:
the fixed shell is rotatably arranged on the lifting mechanism;
the fixed plate assembly is arranged on the side end face of the fixed shell, and a plurality of fixed holes for fixing the workpiece are formed in the fixed plate assembly;
the pushing plate is parallel to the fixed plate assembly and is movably arranged in the fixed shell;
the second driving mechanism is arranged in the fixed shell, and an output shaft of the second driving mechanism is fixedly connected with the pushing plate and can enable the pushing plate to be close to or far away from the fixed plate assembly.
According to an aspect of the present invention, a horizontal pipe expander, the second fixing mechanism includes:
a flaring component for flaring the other end of the workpiece,
the fastening assembly is arranged on the third movable support and comprises a fastener, the fastener is used for fixing one end of a workpiece after flaring, and the flaring assembly can be arranged at the lower end of the fastening assembly in a front-back sliding mode.
According to one aspect of the invention, the fastening piece is in a rod shape, the fastening piece is provided with a second through hole for the expansion rod to pass through, one end of the fastening piece is provided with a claw, the fastening assembly comprises a fastening sleeve for controlling the claw to open or close, and the fastening sleeve is slidably sleeved on the fastening piece.
According to an aspect of the present invention, a horizontal pipe expander, the fastening assembly further comprises:
the mounting plate is fixedly arranged on the third movable bracket;
the first vertical plate is slidably arranged on the mounting plate, a third through hole for the fastener to pass through is formed in the first vertical plate, one end of the fastening sleeve is abutted to the first vertical plate, and the other end of the fastening sleeve is close to the claw;
the second vertical plate is parallel to the first vertical plate and can be arranged on the mounting plate in a sliding manner, the other end of the fastening piece penetrates through the third through hole and is fixedly connected with the second vertical plate, and a fourth through hole corresponding to the third through hole is formed in the second vertical plate;
the third vertical plate is parallel to the first vertical plate and fixedly arranged on the mounting plate, a fifth through hole corresponding to the third through hole is formed in the third vertical plate, and the expansion rod sequentially penetrates through the fifth through hole, the fourth through hole and the second through hole;
the first piston cylinder is fixedly arranged on the second vertical plate, and the output end of the first piston cylinder is vertically and fixedly connected to the first vertical plate;
the second piston cylinder is fixedly arranged on the mounting plate, and the output end of the second piston cylinder is directly and fixedly connected to the first piston cylinder.
According to the horizontal pipe expander provided by the aspect of the invention, the third movable support is provided with the detection plate parallel to the third vertical plate, the detection plate is provided with the sixth through hole corresponding to the fifth through hole, and the diameter of the sixth through hole is slightly larger than that of the expansion rod.
The horizontal pipe expander has at least the following beneficial effects: the work piece is placed on the workbench, the work piece can be stably fixed on the workbench through the fixing device, and the fixing device can limit the work piece to stretch back and forth, so that the phenomenon that a pipeline is shortened or lengthened when the work piece is expanded is prevented, the work piece can be expanded through the pipe expanding device, the expansion of the work piece can be completed in the process that the expansion piece is pushed into the work piece channel by setting the diameter of the expansion piece to be larger than the inner diameter of the work piece channel, in addition, the expansion piece only needs to be larger than the inner diameter of the work piece channel, the expansion piece does not need to be contracted and stretched after being expanded in the work piece channel, the die of the expansion piece is simpler, and the die production cost is lower.
Drawings
The invention is further described below with reference to the drawings and examples;
FIG. 1 is a schematic overall construction of an embodiment of the present invention;
FIG. 2 is a schematic view of an exploded construction of a frame according to one embodiment of the invention;
FIG. 3 is one of the schematic views of a portion of the structure of one embodiment of the present invention;
FIG. 4 is a schematic view of a structure of a workbench according to an embodiment of the invention;
FIG. 5 is one of the partial schematic structural views of an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of a fastening assembly according to one embodiment of the present invention;
FIG. 7 is a schematic view of the structure of a fastener according to one embodiment of the present invention;
FIG. 8 is a schematic view of a first securing mechanism according to one embodiment of the present invention;
FIG. 9 is a partial enlarged view at A of FIG. 8;
FIG. 10 is a schematic view of a structure of a compression door assembly according to an embodiment of the present invention;
reference numerals:
10. the device comprises a rack, 11, a fixed frame, 12, a first movable bracket, 13, a second movable bracket, 121, a lifting mechanism, 14, a third movable bracket, 141, a detection plate, 1411, a sixth through hole, 142, a sliding rod, 15, a fourth movable bracket, 151 and a transverse plate;
100. the device comprises a workbench, 101, a supporting plate, 102 and a supporting sliding block;
200. the fixing device, 201, the first fixing mechanism, 2011, the fixing housing, 2012, the fixing plate assembly, 20121, the first template, 201211, the first fixing hole, 20122, the locking plate, 201221, the locking hole, 20123, the second template, 201231, the second fixing hole, 2013, the pushing plate, 2014, the second driving mechanism, 202, the second fixing mechanism, 2021, the flaring assembly, 2022, the fastening assembly, 20221, the fastener, 202211, the second through hole, 20222, the claw, 20223, the fastening sleeve, 20224, the mounting plate, 20225, the first vertical plate, 202251, the third through hole, 20226, the second vertical plate, 202261, the fourth through hole, 20227, the third vertical plate, 202271, the fifth through hole, 20228, the first piston cylinder, 20229, the second piston cylinder, 203, the pressing gate assembly, 2031, and the pressing block;
300. the pipe expanding device 301, an expanding rod support plate 3011, a first through hole 302, an expanding rod 303, a first driving mechanism 3031 and a push-pull plate;
400. a first electric box;
500. and a second electric box.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the embodiments of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention.
In the description of the embodiments of the present invention, several means one or more, and plural means two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the embodiments of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the embodiments of the present invention can be reasonably determined by those skilled in the art in combination with the specific contents of the technical solutions.
Referring to fig. 1, a horizontal type pipe expander in this embodiment includes a frame 10, a table 100, a fixing device 200, and a pipe expander 300, the table 100 is disposed on the frame 10, the table 100 is used for placing a workpiece, and the workpiece has a channel; the fixing device 200 is arranged on the frame 10, the fixing device 200 is used for fixing a workpiece and can limit the workpiece to stretch back and forth, the workpiece is fixed through the fixing device 200 and can be limited to stretch back and forth, so that the phenomenon that the workpiece is shortened or stretched in the process of machining the workpiece can not occur, the pipe expanding device 300 is arranged on the frame 10, the pipe expanding device 300 comprises an expanding piece which can move in a workpiece channel and has a diameter larger than the inner diameter of the workpiece channel, preferably, the expanding piece is spherical, the inner diameter of the channel is smaller before pipe expanding, the pipe expanding operation can be performed on the workpiece through the pipe expanding device 300, the expansion of the workpiece can be completed in the process of pushing the expanding piece into the workpiece channel, the inner diameter of the channel is enlarged, the expanding piece in the embodiment does not need to stretch out and draw back, the die of the expanding piece is simpler, and the die production cost is lower.
Referring to fig. 1, the horizontal type pipe expander in this embodiment includes a first electric box 400 and a second electric box 500, the first electric box 400 is used for supplying power to the fixing device 200, the second electric box 500 is used for supplying power to the pipe expanding device 300, and of course, only one electric box may be provided and simultaneously supply power to the fixing device 200 or the pipe expanding device 300, or one electric box may simultaneously supply power to the fixing device 200 or the pipe expanding device 300, and the other electric box may supply power to one of the fixing device 200 or the pipe expanding device 300.
Referring to fig. 2, in some embodiments, the frame 10 includes a fixed frame 11, a first moving bracket 12, a second moving bracket 13, and a third moving bracket 14, and the table 100 is disposed on the fixed frame 11; the first moving bracket 12 is slidably arranged on the fixed bracket 11 back and forth, the first moving bracket 12 is positioned on one side of the workbench 100, specifically, the first moving bracket 12 is matched with the fixed bracket 11 through a sliding block and a sliding rail, and is driven by a driving motor and a screw rod sliding block or directly through a piston cylinder, so that the first moving bracket 12 moves on the fixed bracket 11; the second moving bracket 13 is arranged on the fixed frame 11 in a left-right sliding manner, the second moving bracket 13 is positioned on the other side of the workbench 100, specifically, the second moving bracket 13 is matched with the fixed frame 11 through a sliding block and a sliding rail, and is driven by a driving motor and a screw rod sliding block or directly through a piston cylinder, so that the second moving bracket 13 moves on the fixed frame 11; the fixing device 200 is provided on the first moving bracket 12 and the second moving bracket 13, that is, a part of the fixing device 200 is provided on the first moving bracket 12, another part of the fixing device 200 is provided on the second moving bracket 13, specifically, a part of the fixing device 200 on the first moving bracket 12 fixes one end of the workpiece channel, and another part of the fixing device 200 on the second moving bracket 13 fixes the other end of the workpiece channel, so that the length of the workpiece can be prevented from being shortened or lengthened when the inner diameter of the workpiece channel is changed; the third moving support 14 is disposed on the second moving support 13 in a manner of being able to move up and down, specifically, an air cylinder or a hydraulic cylinder is disposed on the second moving support 13, the air cylinder or the hydraulic cylinder drives the third moving support 14 to move up and down, or of course, a lifting device 131 commonly used in the market may be disposed on the second moving support 13, the third moving support 14 is acted on by the lifting device 131, so that the third moving support 14 can move up and down, the pipe expanding device 300 is slidably disposed on the third moving support 14, and the pipe expanding device 300 can move up and down, left and right, and back and forth in multiple directions, so as to facilitate adjusting the pipe expanding device 300 to any position requiring the action.
Referring to fig. 3, in some embodiments, the tube expanding device 300 further includes a plurality of expansion rod support plates 301, expansion rods 302 and a first driving mechanism 303, it should be noted that the expansion rods 302 have a plurality of types to adapt to different workpieces, each expansion rod support plate 301 is slidably disposed on the third movable support 14, specifically, two ends of the third movable support 14 are respectively provided with a sliding rod 142, through holes adapted to the sliding rods 142 are formed on the expansion rod support plates 301, and the expansion rod support plates 301 are slidably mounted on the third movable support 14 through sliding fit of the sliding rods 142 and the through holes; the expansion rod support plates 301 are provided with first through holes 3011 corresponding to each other, expansion rods 302 can be slidably arranged in the first through holes 3011 in a penetrating mode, and expansion pieces are arranged at one ends of the expansion rods 302; the first driving mechanism 303 is arranged on the fixing frame 11, the other end of the expansion rod 302 is fixedly arranged at the output end of the first driving mechanism 303, the first driving mechanism 303 can drive the expansion rod 302 to move back and forth, specifically, the first driving mechanism 303 comprises a driving motor, a screw rod and a push-pull plate 3031, the screw rod is fixedly arranged on the third movable support 14, the axial direction of the screw rod is the same as the axial direction of the expansion rod 302, the driving motor is in transmission connection with the screw rod, the push-pull plate 3031 is arranged on the screw rod through a sliding block in threaded fit with the screw rod, the other end of the expansion rod 302 is fixedly arranged on the push-pull plate 3031, and specifically, the working process of the expansion rod 302 device in the embodiment is as follows: the driving motor drives the screw rod to rotate, and then the push-pull plate 3031 with the sliding block in threaded fit with the screw rod can axially advance or retreat along the screw rod, so that the expansion rod 302 fixed on the push-pull plate 3031 is driven to advance or retreat, and the expansion piece is arranged at one end of the expansion rod 302, so that the pipe expansion operation on a workpiece can be completed in the pushing-out process of the expansion rod 302; in this embodiment, the expansion rod support plates are slidably disposed on the third moving support 14, and the expansion rods 302 slidably penetrate through the first through holes 3011, so that the distance between the expansion rod support plates 301 becomes smaller during the expansion rod 302 extending forward, so that the expansion rods 302 can be extended outwards to the greatest extent, and further, longer workpieces can be processed.
Referring to fig. 4, in some embodiments, the workbench 100 includes a plurality of support plates 101, and a plurality of support sliders 102 for supporting the support plates 101, the support plates 101 are preferably metal profiles, and the support sliders 102 are slidably mounted on the fixing frame 11 through a sliding rail slider structure, so that the length of the workbench 100 can be conveniently adjusted, and workpieces with different lengths can be conveniently placed.
Referring to fig. 1, in some embodiments, the fixing device 200 includes a first fixing mechanism 201 and a second fixing mechanism 202, the first fixing mechanism 201 is disposed on the first moving bracket 12 in a manner of being able to be lifted up and down, the first fixing mechanism 201 is located at one side of the workbench 100, and the first fixing mechanism 201 is used for fixing one end of a workpiece; the second fixing mechanism 202 is disposed on the third moving bracket 14, the second fixing mechanism 202 is located at the other side of the table 100, and the second fixing mechanism 202 is used for fixing the other end of the workpiece. In this embodiment, one end of the workpiece channel is fixed by the first fixing mechanism 201, and the other end of the workpiece channel is fixed by the second fixing mechanism 202, so that the workpiece channel can be prevented from being shortened or lengthened in the expanding process.
Referring to fig. 1, in some embodiments, the frame 10 further includes a fourth moving frame 15, the fourth moving frame 15 is configured in a U shape, the fourth moving frame 15 includes a transverse plate 151 and vertical plates 153 vertically disposed at both ends of the transverse plate 151, the transverse plate 151 is located above the table 100, the fourth moving frame 15 is slidably disposed on the fixed frame 11 back and forth, specifically, one end of the vertical plate 153 is mounted on the fixed frame 11 through a sliding rail and sliding block structure and is driven to slide on the fixed frame 11 by an air cylinder or a hydraulic cylinder, the fixing device 200 further includes a pressing assembly 203, the pressing assembly 203 is movably mounted on the transverse plate 151 up and down, and the pressing assembly 203 is used for pressing a workpiece.
Referring to fig. 10, in some embodiments, the pressing door assembly 203 includes a pressing block 2031 and a driving cylinder or driving hydraulic cylinder driving the pressing block 2031, the driving cylinder or driving hydraulic cylinder being fixed to an upper end of the cross plate 151, an output shaft of which passes through the cross plate 151 and is fixedly connected with the pressing block 2031, the pressing block 2031 being disposed in parallel with the cross plate 151, specifically, moving the fourth moving bracket 15 to the pressing block 2031 above the workpiece, the driving hydraulic cylinder or cylinder pressing the pressing block 2031 against the workpiece, thereby preventing the workpiece from moving in a vertical direction.
Referring to fig. 2, 8 and 9, in some embodiments, the first fixing mechanism 201 includes a fixing housing 2011, a fixing plate assembly 2012, a pushing plate 2013 and a second driving mechanism 2014, the first moving bracket 12 is provided with a lifting mechanism 121, and the fixing housing 2011 is rotatably mounted on the lifting mechanism 121; the fixing plate assembly 2012 is disposed on a side end surface of the fixing housing 2011, preferably, the fixing plate assembly 2012 is provided with three groups, which are respectively disposed on the three side end surfaces of the fixing housing 2011, and correspondingly, the pushing plate 2013 and the second driving mechanism 2014 are also provided with three groups, which respectively cooperate with the fixing plate assembly 2012, and the fixing plate assembly 2012 is provided with a plurality of fixing holes for fixing the workpiece; the pushing plate 2013 is parallel to the fixed plate assembly 2012 and is movably arranged in the fixed housing 2011; the second driving mechanism 2014 is disposed in the fixed housing 2011, and an output shaft of the second driving mechanism 2014 is fixedly connected to the pushing plate 2013 and can make the pushing plate 2013 approach to or separate from the fixed plate assembly 2012. It should be noted that, one end of the expansion rod 302 is generally connected through a U-bracket, and the U-bracket specifically refers to a fixed pipe that is U-shaped, and an end of the U-bracket penetrates out through the fixing hole and is connected to the channel of the workpiece, and the other end of the U-bracket is pressed by the pressing plate 2013 to limit the movement of the U-bracket.
Referring to fig. 8 and 9, in some embodiments, the fixing plate assembly 2012 includes a first template 20121, a second template 20123, and a locking plate 20122 disposed between the first template 20121 and the second template 20123, the first template 20121, the second template 20123, and the locking plate 20122 are disposed in parallel, the first template 20121 is provided with a plurality of first fixing holes 201211, the second template 20123 is provided with a plurality of second fixing holes 201231, the locking plate 20122 is provided with a plurality of locking holes 201221, the first fixing holes 201211 and the second fixing holes 201231 are provided with circular through holes, the locking holes 201221 are provided with bar-shaped holes, the first fixing holes 201211, the second fixing holes 201231, and the locking holes 201221 are disposed in one-to-one correspondence, the end portion of the U-bracket sequentially passes through the second fixing holes 201231, the locking holes 201221, and the first fixing holes 201211, and the locking plate 20122 can move relative to the first template 20121 and the second template 20123, and further, the U-bracket can be restricted from moving on the locking hole 201221, and the U-bracket can be further stably fixed in a radial direction on the locking hole 201221.
Referring to fig. 3 and 5, in certain embodiments, the second securing mechanism 202 includes a flare assembly 2021 and a fastening assembly 2022, the flare assembly 2021 being configured to flare the other end of the workpiece; the fastening assembly 2022 is disposed on the third movable bracket 14, the fastening assembly 2022 includes a fastener 20221, the fastener 20221 is used for fixing one end of the flared workpiece, the fastener 20221 has different types to fix workpieces of different types, and the flared assembly 2021 is slidably disposed at the lower end of the fastening assembly 2022. By flaring the other end of the workpiece, the flared portion protrudes from the rest, and the flared portion is fixed by the fastening assembly 2022, so that the workpiece can be fixed more stably.
Referring to fig. 7, in some embodiments, the fastener 20221 is in a rod shape, the fastener 20221 has a second through hole 202211 through which the expansion rod 302 passes, the claw 20222 is disposed at one end of the fastener 20221, the fastening assembly 2022 includes a fastening sleeve 20223 for controlling opening or closing of the claw 20222, the fastening sleeve 20223 is slidably disposed on the fastener 20221, specifically, the fastener 20221 is in a rod shape, one end of the fastener 20221 is cut into a plurality of parts along an axial direction so as to form the claw 20222, so that the claw 20222 can be easily disposed at a flared portion of the workpiece, at this time, the claw 20222 expands outwards, and then the claw 20222 can be pressed against the workpiece by pushing the fastening sleeve 20223.
Referring to fig. 3, 5, and 6, in some embodiments, the fastening assembly 2022 further includes a mounting plate 20224, a first riser 20225, a second riser 20226, a third riser 20227, a first piston cylinder 20228, and a second piston cylinder 20229, the first piston cylinder 20228 and the second piston cylinder 20229 being either cylinders or hydraulic cylinders, the mounting plate 20224 being fixedly disposed on the third movable bracket 14; the first vertical plate 20225 is slidably arranged on the mounting plate 20224, a third through hole 202251 for the fastener 20221 to pass through is formed in the first vertical plate 20225, one end of the fastening sleeve 20223 is abutted to the first vertical plate 20225, and the other end of the fastening sleeve 20223 is close to the claw 20222; the second vertical plate 20226 is parallel to the first vertical plate 20225 and is slidably arranged on the mounting plate 20224, the other end of the fastener 20221 passes through the third through hole 202251 and is fixedly connected with the second vertical plate 20226, and a fourth through hole 202261 corresponding to the third through hole 202251 is formed in the second vertical plate 20226; the third vertical plate 20227 is parallel to the first vertical plate 20225 and is fixedly arranged on the mounting plate 20224, a fifth through hole 202271 corresponding to the third through hole 202251 is formed in the third vertical plate 20227, and the expansion rod 302 sequentially passes through the fifth through hole 202271, the fourth through hole 202261 and the second through hole 202211; the first piston cylinder 20228 is fixedly arranged on the second vertical plate 20226, and the output end of the first piston cylinder 20228 is vertically and fixedly connected to the first vertical plate 20225; the second piston cylinder 20229 is fixedly arranged on the mounting plate 20224, and its output end is directly fixedly connected to the first piston cylinder 20228. The specific working process of the embodiment is as follows: the first vertical plate 20225 is driven to advance or retreat by the first piston cylinder 20228, one end of the fastening sleeve 20223 is abutted against the first vertical plate 20225, the fastening sleeve 20223 can be pushed outwards by pushing the first vertical plate 20225, so that the claw 20222 can be controlled to fix a workpiece, and the first piston cylinder 20228 and the second vertical plate 20226 can be pushed to move by the second piston cylinder 20229, so that the fastening piece 20221 can be moved in the front-rear direction, and the workpiece can be conveniently adjusted and fixed.
Referring to fig. 6, in some embodiments, the third moving bracket 14 is provided with a detecting plate 141 parallel to the third vertical plate 20227, preferably, the detecting plate 141 is fixed on the third moving bracket 14 by an insulating block, further preferably, the detecting plate 141 is fixed on the third vertical plate 20227, and the detecting plate 141 is provided with a sixth through hole 1411 corresponding to the fifth through hole 202271, and the diameter of the sixth through hole 1411 is slightly larger than the diameter of the expansion rod 302. It should be noted that, the aperture of the sixth through hole 1411 is slightly larger than the diameter of the expansion rod 302, that is, the aperture of the sixth through hole 1411 is 0.05-2cm larger than the diameter of the expansion rod 302, preferably, the aperture of the sixth through hole 1411 is 0.05-1cm larger than the diameter of the expansion rod 302, the detection plate 141 is made of conductive material, the detection plate 141 is connected with a sensor, when the expansion rod 302 is subjected to excessive bending, the expansion rod 302 contacts with the detection plate 141, so as to send a signal to the sensor, and the embodiment further comprises a control system, wherein the sensor sends a signal to the control system, and the control system sends a command of stopping continuing the expansion rod 302, so that the expansion rod 302 can be prevented from bending by arranging the detection plate 141, and equipment can be protected.
While the preferred embodiment of the present invention has been illustrated and described, it will be understood by those skilled in the art that the present invention may be embodied in other specific forms and equivalents thereof without departing from the spirit of the invention.
Claims (6)
1. A horizontal pipe expander, comprising:
a frame (10);
a workbench (100) arranged on the frame (10) and used for placing a workpiece, wherein the workpiece is provided with a channel;
the fixing device (200) is arranged on the frame (10) and used for fixing a workpiece and limiting the front-back expansion of the workpiece;
the pipe expanding device (300) is arranged on the frame (10), and the pipe expanding device (300) comprises an expanding piece which can move in the workpiece channel and has a diameter larger than the inner diameter of the workpiece channel;
the frame (10) comprises:
the workbench (100) is arranged on the fixing frame (11);
the first movable bracket (12) is arranged on the fixed bracket (11) in a front-back sliding way and is positioned at one side of the workbench (100);
the second movable bracket (13) is arranged on the fixed bracket (11) in a left-right sliding way and positioned on the other side of the workbench (100), and the fixing device (200) is arranged on the first movable bracket (12) and the second movable bracket (13);
a third movable bracket (14) which is arranged on the second movable bracket (13) in a vertically liftable manner, and the pipe expanding device (300) is arranged on the third movable bracket (14) in a sliding manner;
the pipe expanding device (300) comprises:
a plurality of expansion rod support plates (301) which are slidably arranged on the third movable support (14), wherein each expansion rod support plate (301) is provided with a first through hole (3011) corresponding to each other; the expansion rod (302) can be slidably arranged in the first through hole (3011) in a penetrating mode, and one end of the expansion rod (302) is provided with the expansion piece;
the first driving mechanism (303) is arranged on the fixing frame (11), the other end of the expansion rod (302) is fixedly arranged at the output end of the first driving mechanism (303), and the first driving mechanism (303) can drive the expansion rod (302) to move forwards and backwards;
the fixing device (200) comprises:
the first fixing mechanism (201) is arranged on the first movable bracket (12) in a vertically lifting manner and is positioned at one side of the workbench (100) and used for fixing one end of a workpiece;
the second fixing mechanism (202) is arranged on the third movable bracket (14) and positioned at the other side of the workbench (100) and is used for fixing the other end of the workpiece;
the first fixing mechanism (201) includes:
a fixed housing (2011), wherein a first lifting mechanism (121) is arranged on the first movable bracket (12), and the fixed housing (2011) is rotatably arranged on the first lifting mechanism (121);
the fixing plate assembly (2012) is arranged on the side end face of the fixing shell (2011), and a plurality of fixing holes for fixing a workpiece are formed in the fixing plate assembly (2012); a push plate (2013) parallel to the stationary plate assembly (2012) and movably disposed within the stationary housing (2011);
and a second driving mechanism (2014) disposed in the fixed housing (2011), wherein an output shaft of the second driving mechanism (2014) is fixedly connected with the pushing plate (2013) and can enable the pushing plate (2013) to be close to or far away from the fixed plate assembly (2012).
2. A horizontal tube expander as claimed in claim 1, wherein said frame (10) further comprises a fourth movable support (15), said fourth movable support (15) comprising a cross plate (151), said cross plate (151) being located above said table (100), said fourth movable support (15) being slidably disposed back and forth on said fixed frame (11), said fixture (200) further comprising a platen assembly (203), said platen assembly (203) being mounted on said cross plate (151) so as to be movable up and down, said platen assembly (203) being adapted to compress a workpiece.
3. A horizontal tube expander as claimed in claim 1, wherein said second fixing means (202) comprises:
a flaring component (2021) for flaring the other end of the workpiece,
the fastening assembly (2022) is arranged on the third movable bracket (14), the fastening assembly (2022) comprises a fastening piece (20221), the fastening piece (20221) is used for fixing one end of a workpiece after flaring, and the flaring assembly (2021) is arranged at the lower end of the fastening assembly (2022) in a front-back sliding mode.
4. A horizontal tube expander as claimed in claim 3, wherein the fastener (20221) is rod-shaped, the fastener (20221) has a second through hole (202211) through which the expansion rod (302) passes, one end of the fastener (20221) is provided with a claw (20222), the fastening assembly (2022) comprises a fastening sleeve (20223) for controlling opening or closing of the claw (20222), and the fastening sleeve (20223) is slidably sleeved on the fastener (20221).
5. A horizontal tube expander as claimed in claim 4, wherein said fastening assembly (2022) further comprises:
a mounting plate (20224) fixedly provided on the third moving bracket (14);
the first vertical plate (20225) is slidably arranged on the mounting plate (20224), a third through hole (202251) for the fastener (20221) to pass through is formed in the first vertical plate (20225), one end of the fastening sleeve (20223) is abutted to the first vertical plate (20225), and the other end of the fastening sleeve (20223) is close to the claw (20222);
the second vertical plate (20226) is parallel to the first vertical plate (20225) and is slidably arranged on the mounting plate (20224), the other end of the fastener (20221) penetrates through the third through hole (202251) and is fixedly connected with the second vertical plate (20226), and a fourth through hole (202261) corresponding to the third through hole (202251) is formed in the second vertical plate (20226);
a third vertical plate (20227) which is parallel to the first vertical plate (20225) and is fixedly arranged on the mounting plate (20224), a fifth through hole (202271) corresponding to the third through hole (202251) is formed in the third vertical plate (20227), and the expansion rod (302) sequentially passes through the fifth through hole (202271), the fourth through hole (202261) and the second through hole (202211);
a first piston cylinder (20228) fixedly arranged on the second vertical plate (20226), and the output end of the first piston cylinder is vertically and fixedly connected to the first vertical plate (20225);
the second piston cylinder (20229) is fixedly arranged on the mounting plate (20224), and the output end of the second piston cylinder is directly and fixedly connected to the first piston cylinder (20228).
6. The horizontal tube expander as claimed in claim 5, wherein a detection plate (141) parallel to the third vertical plate (20227) is provided on the third moving support (14), a sixth through hole (1411) corresponding to the fifth through hole (202271) is provided on the detection plate (141), and the diameter of the sixth through hole (1411) is slightly larger than the diameter of the expansion rod (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666335.XA CN110355290B (en) | 2019-07-23 | 2019-07-23 | Horizontal pipe expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666335.XA CN110355290B (en) | 2019-07-23 | 2019-07-23 | Horizontal pipe expander |
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| Publication Number | Publication Date |
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| CN110355290A CN110355290A (en) | 2019-10-22 |
| CN110355290B true CN110355290B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910666335.XA Active CN110355290B (en) | 2019-07-23 | 2019-07-23 | Horizontal pipe expander |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775327A (en) * | 2020-11-20 | 2021-05-11 | 珠海华星智能技术有限公司 | Fixing device for heat exchanger expansion pipe |
| CN113953396B (en) * | 2021-10-26 | 2024-04-02 | 珠海格力智能装备有限公司 | Positioning device and tube expander with same |
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| CN110355290A (en) | 2019-10-22 |
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