CN210754754U

CN210754754U - Horizontal pipe expander

Info

Publication number: CN210754754U
Application number: CN201921169545.XU
Authority: CN
Inventors: 肖世文; 黄广治; 肖世军; 肖世祥; 夏明清
Original assignee: Zhongshan Jingda Teke Machinery Co ltd
Current assignee: Zhongshan Jingda Teke Machinery Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-06-16
Anticipated expiration: 2029-07-23

Abstract

The utility model 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 rack and used for fixing the workpiece and limiting the workpiece to stretch back and forth; the pipe expanding device is arranged on the rack and comprises an expanding piece which can move in the workpiece channel and the diameter of the expanding piece is 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 work piece passageway internal diameter, can accomplish the expansion to the work piece at the in-process that the expanding piece pushed into the work piece passageway.

Description

Horizontal pipe expander

Technical Field

The utility model relates to a electric tube expander field, in particular to horizontal electric tube expander.

Background

The tube expander is mainly special expansion connection equipment for expansion connection of tubes and tube plates in the manufacture of equipment such as heat exchangers, condensers, high-pressure heaters and the like, the existing tube expander is mostly 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 processed is limited, large workpieces are not easy to feed, the horizontal tube expander has lower requirements on the factory building than the vertical tube expander and can process longer and larger workpieces, the existing horizontal tube expander generally expands a workpiece channel through an elastic expansion head, usually the elastic expansion head extends into the workpiece channel in a reduced state, then the expansion head is expanded and pulled out to complete expansion of the workpiece channel, however, the processing die of the elastic expansion head is complex to manufacture, particularly the elastic expansion head used in thinner workpieces, the production cost is high, the elastic expansion head is easy to break, in addition, the existing horizontal pipe expander has a complex structure and low production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a horizontal electric tube expander, low in production cost, and can high-efficient, high-quality completion expand tube.

According to the utility model discloses an aspect provides a horizontal electric tube expander, include:

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 rack, is used for fixing the workpiece and can limit the workpiece to stretch back and forth;

the pipe expanding device is arranged on the rack and comprises an expanding piece which can move in the workpiece channel and the diameter of the expanding piece is larger than the inner diameter of the workpiece channel.

According to an aspect of the utility model a horizontal electric tube expander, the frame includes:

the workbench is arranged on the fixed frame;

the first movable support is arranged on the fixed frame in a front-back sliding mode and is positioned on one side of the workbench;

the second movable support is arranged on the fixed frame in a left-right sliding mode and located on the other side of the workbench, and the fixing device is arranged on the first movable support and the second movable support;

and the third movable support is arranged on the second movable support in a vertically lifting mode, and the pipe expanding device is arranged on the third movable support in a sliding mode.

According to an aspect of the utility model a horizontal electric tube expander, the expand tube device include:

the expansion rod supporting plates are slidably arranged on the third movable support, and each expansion rod supporting plate is provided with a first through hole corresponding to each other;

the expansion rod is 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 back and forth.

According to an aspect of the utility model a horizontal electric tube expander, fixing device includes:

the first fixing mechanism is arranged on the first movable support in a vertically lifting manner, is positioned on one side of the workbench and is used for fixing one end of a workpiece;

and the second fixing mechanism is arranged on the third movable support, is positioned on the other side of the workbench and is used for fixing the other end of the workpiece.

According to an aspect of the utility model a horizontal electric tube expander, the frame still includes the fourth movable support, the fourth movable support includes a diaphragm, the diaphragm is located the workstation top, the fourth movable support sets up with sliding around can on the mount, fixing device is still including pressing the door subassembly, press the door subassembly to install with reciprocating on the diaphragm, it is used for compressing tightly the work piece to press the door subassembly.

According to an aspect of the utility model a horizontal electric tube expander, first fixed establishment includes:

the first movable support is provided with a lifting mechanism, and the fixed shell is rotatably arranged on the lifting mechanism;

the fixing plate assembly is arranged on the side end face of the fixing shell, and a plurality of fixing holes for fixing workpieces are formed in the fixing plate assembly;

the pushing plate is parallel to the fixed plate assembly and is movably arranged in the fixed shell;

and the 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 component.

According to an aspect of the utility model a horizontal electric tube expander, second fixed establishment includes:

a flaring component used for flaring the other end of the workpiece,

and the fastening assembly is arranged on the third movable bracket and comprises a fastening piece, the fastening piece is used for fixing one end of the workpiece after the workpiece is flared, and the flaring assembly is arranged at the lower end of the fastening assembly in a forward and backward sliding manner.

According to an aspect of the utility model a horizontal electric tube expander, the fastener be shaft-like, the fastener has a confession the second through-hole that the expander roll passed, the one end of fastener is provided with the cleft hand, fastening assembly is including being used for control the cleft hand opens or closed adapter sleeve, adapter sleeve slidable cover is established on the fastener.

According to an aspect of the utility model discloses a horizontal electric tube expander, fastening components still includes:

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 abuts against 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 is slidably arranged on the mounting plate, the other end of the fastener penetrates through the third through hole and is fixedly connected with the second vertical plate, and the second vertical plate is provided with a fourth through hole corresponding to the third through hole;

the third vertical plate is parallel to the first vertical plate and is 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;

and 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 an aspect of the utility model a horizontal electric tube expander, be provided with on the third movable support with the third riser on the parallel pick-up plate, seted up on the pick-up plate with the sixth through-hole that the fifth through-hole corresponds, sixth through-hole aperture slightly is greater than the expander roll diameter.

The utility model discloses a horizontal electric tube expander has following beneficial effect at least: place the work piece on the workstation, through fixing device can be with stable fixing of work piece on the workstation, moreover, fixing device can restrict the work piece around flexible to prevent that the pipeline from shortening or the phenomenon of lengthening from appearing when the expand tube of work piece, can carry out the expand tube operation to the work piece through the expand tube device, set up to being greater than the work piece passageway internal diameter through the diameter with the expansion piece, can accomplish the expansion to the work piece at the in-process that the expansion piece pushed into the work piece passageway, in addition, because the expansion piece only need be greater than the work piece passageway internal diameter can, needn't reduce earlier stretch into the work piece passageway again and expand the back tensile, so the mould of expansion piece is simpler, mould manufacturing cost is lower.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

fig. 2 is an exploded view of the frame according to an embodiment of the present invention;

FIG. 3 is one of the schematic views of a portion of the structure of an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a workbench according to an embodiment of the present invention;

fig. 5 is one of the partial structural schematic diagrams of an embodiment of the present invention;

fig. 6 is a schematic structural view of a fastening assembly according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a fastener according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a first fixing mechanism according to an embodiment of the present invention;

fig. 9 is a partial enlarged view at a of fig. 8;

fig. 10 is a schematic structural view of a door pressing assembly according to an embodiment of the present invention;

reference numerals:

10. the detection device comprises a rack, 11, a fixed frame, 12, a first movable bracket, 13, a second movable bracket, 131, 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 slide block;

200. a fixing device 201, a first fixing mechanism, 2011, a fixing housing, 2012, a fixing plate assembly, 20121, a first template, 201211, a first fixing hole, 20122, a locking plate, 201221, a locking hole, 20123, a second template, 201231, a second fixing hole, 2013, a pushing plate, 2014, a second driving mechanism, 202, a second fixing mechanism, 2021, a flaring assembly, 2022, a fastening assembly, 20221, a fastener, 202211, a second through hole, 20222, a claw, 20223, a fastening sleeve, 20224, a mounting plate, 20225, a first vertical plate, 202251, a third through hole, 20226, a second vertical plate, 202261, a fourth through hole, 20227, a third vertical plate, 202271, a fifth through hole, 20228, a first piston cylinder, 20229, a second piston cylinder, 203, a door pressing assembly, 2031, and a pressing block;

300. the pipe expanding device comprises a 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 electrical box;

500. a second electrical box.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationship indicated, for example, up, down, front, rear, left, right, etc., referred to the orientation description is the orientation or positional relationship shown in the drawings, and is only for convenience of description of the embodiments of the present invention and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the embodiments of the present invention.

In the description of the embodiments of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood 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, the words such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the embodiments of the present invention by combining the specific contents of the technical solutions.

Referring to fig. 1, the horizontal pipe expander in the present embodiment includes a frame 10, a workbench 100, a fixing device 200, and a pipe expanding device 300, where the workbench 100 is disposed on the frame 10, the workbench 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 workpiece is not shortened or lengthened in the process of processing the workpiece, the tube expansion device 300 is arranged on the frame 10, the tube expansion device 300 comprises an expansion piece which can move in a workpiece channel and has a diameter larger than the inner diameter of the workpiece channel, preferably, the expansion piece is spherical, it is required to be mentioned that the inner diameter of the channel is smaller before tube expansion, the tube expansion device 300 can be used for tube expansion operation on the workpiece, the diameter of the expansion piece is larger than the inner diameter of the workpiece channel, the expansion piece can complete expansion on the workpiece in the process of pushing the expansion piece into the workpiece channel, so that the inner diameter of the channel is increased, the expansion piece in the embodiment does not need to stretch out and draw back, therefore, the die of the expansion piece is simpler, and the production cost of the die is lower.

Referring to fig. 1, the horizontal pipe expander in this embodiment includes a first electrical box 400 and a second electrical box 500, where the first electrical box 400 is used to supply power to the fixing device 200, and the second electrical box 500 is used to supply power to the pipe expander 300, but only one electrical box may be provided to supply power to the fixing device 200 or the pipe expander 300, or one of the electrical boxes may simultaneously supply power to the fixing device 200 or the pipe expander 300, and the other electrical box supplies power to one of the fixing device 200 or the pipe expander 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 work table 100 is disposed on the fixed frame 11; the first movable support 12 is slidably arranged on the fixed frame 11 back and forth, the first movable support 12 is located on one side of the workbench 100, and specifically, the first movable support 12 is matched with the fixed frame 11 through a slide block and a slide rail, through the matching of a driving motor and a screw rod and a slide block, or directly through the driving of a piston cylinder, so that the first movable support 12 moves on the fixed frame 11; the second movable support 13 is arranged on the fixed frame 11 in a left-right sliding manner, the second movable support 13 is positioned on the other side of the workbench 100, and specifically, the second movable support 13 is matched with the fixed frame 11 through a slide block and a slide rail, and is driven by a driving motor and a lead screw slide block or directly through a piston cylinder, so that the second movable support 13 moves on the fixed frame 11; the fixing device 200 is arranged on the first moving support 12 and the second moving support 13, namely, part of the fixing device 200 is arranged on the first moving support 12, and the other part of the fixing device 200 is arranged on the second moving support 13, specifically, part of the fixing device 200 on the first moving support 12 fixes one end of the workpiece channel, and the other part of the fixing device 200 on the second moving support 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 movable support 14 can be arranged on the second movable support 13 in a vertically lifting manner, specifically, an air cylinder or a hydraulic cylinder is arranged on the second movable support 13, the air cylinder or the hydraulic cylinder drives the third movable support 14 to move up and down, certainly, a common lifting device in the market can be arranged on the second movable support 13, the third movable support 14 is acted by the lifting device, and then the third movable support 14 can be moved up and down, the tube expansion device 300 can be slidably arranged on the third movable support 14, and then the tube expansion device 300 can be moved up and down, left and right, and back and forth in multiple directions, so that the tube expansion device 300 can be conveniently adjusted to any position needing the action.

Referring to fig. 3, in some embodiments, the tube expansion device 300 further includes a plurality of expansion bar support plates 301, expansion bars 302 and a first driving mechanism 303, it should be noted that the expansion bars 302 have a plurality of models to adapt to different workpieces, each expansion bar support plate 301 is slidably disposed on the third moving support 14, specifically, two ends of the third moving support 14 are respectively provided with a sliding bar 142, the expansion bar support plate 301 is provided with a through hole adapted to the sliding bar 142, and the expansion bar support plate 301 is slidably mounted on the third moving support 14 through sliding cooperation between the sliding bar 142 and the through hole; 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 manner, and one end of the expansion rod 302 is provided with an expansion piece; the first driving mechanism 303 is disposed on the fixed frame 11, the other end of the expansion rod 302 is fixedly disposed at an 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 includes a driving motor, a lead screw, and a push-pull plate 3031, the lead screw is fixedly disposed on the third movable support 14, an axial direction of the lead screw is the same as an axial direction of the expansion rod 302, the driving motor is in transmission connection with the lead screw, the push-pull plate 3031 is mounted on the lead screw through a slider in threaded fit with the lead screw, the other end of the expansion rod 302 is fixedly disposed on the push-pull plate 3031, specifically, the working process of the expansion rod 302 device of this embodiment is as: the driving motor drives the screw rod to rotate, and then a push-pull plate 3031 with a sliding block in threaded fit with the screw rod can axially advance or retreat along the screw rod, so that an expansion rod 302 fixed on the push-pull plate 3031 is driven to advance or retreat, an expansion piece is arranged at one end of the expansion rod 302, and then the pipe expansion operation of a workpiece can be completed in the process of pushing out the expansion rod 302; in this embodiment, the expansion rod support plate is slidably disposed on the third moving bracket 14, and the expansion rod 302 slidably penetrates through the first through hole 3011, so that, in the process of forward extension of the expansion rod 302, the distance between the expansion rod support plates 301 is reduced, and the expansion rod 302 can be extended outward to the greatest extent, and further, a longer workpiece can be processed.

Referring to fig. 4, in some embodiments, the workbench 100 includes a plurality of supporting plates 101, and a plurality of supporting sliders 102 supporting the supporting plates 101, the supporting plates 101 are preferably metal profiles, and the supporting 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 movable bracket 12 in a manner of being capable of ascending and descending up and down, the first fixing mechanism 201 is located at one side of the work table 100, and the first fixing mechanism 201 is used for fixing one end of the workpiece; a second fixing mechanism 202 is provided on the third moving carriage 14, the second fixing mechanism 202 being located on the other side of the table 100, the second fixing mechanism 202 being 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 extended in the expansion process.

Referring to fig. 1, in some embodiments, the frame 10 further includes a fourth moving bracket 15, the fourth moving bracket 15 is configured in a U shape, the fourth moving bracket 15 includes a horizontal plate 151 and a vertical plate 153 vertically disposed at two ends of the horizontal plate 151, the horizontal plate 151 is located above the workbench 100, the fourth moving bracket 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 through an air cylinder or a hydraulic cylinder, the fixing device 200 further includes a door pressing assembly 203, the door pressing assembly 203 is mounted on the horizontal plate 151 in a vertically movable manner, and the door pressing assembly 203 is used for pressing the workpiece.

Referring to fig. 10, in some embodiments, the door pressing assembly 203 includes a pressing block 2031 and a driving cylinder or a driving hydraulic cylinder for driving the pressing block 2031, the driving cylinder or the driving hydraulic cylinder is fixed to an upper end of the horizontal plate 151, an output shaft thereof passes through the horizontal plate 151 and is fixedly connected to the pressing block 2031, the pressing block 2031 is disposed parallel to the horizontal plate 151, specifically, the fourth moving bracket 15 is moved to the position where the pressing block 2031 is above the workpiece, and the driving hydraulic cylinder or the driving hydraulic cylinder presses 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 202, the first moving frame 12 is provided with a lifting mechanism 131, and the fixing housing 2011 is rotatably mounted on the lifting mechanism 131; the fixing plate assemblies 2012 are arranged on the side end surfaces of the fixing housing 2011, preferably, three groups of the fixing plate assemblies 2012 are arranged and respectively arranged on three side end surfaces of the fixing housing 2011, correspondingly, three groups of the pushing plates 2013 and the second driving mechanisms 202 are also arranged and respectively cooperate with the fixing plate assemblies 2012, and a plurality of fixing holes for fixing workpieces are formed in the fixing plate assemblies 2012; the push plate 2013 is parallel to the fixed plate assembly 2012 and is movably arranged in the fixed shell 2011; the second driving mechanism 202 is disposed in the fixed housing 2011, and an output shaft of the second driving mechanism 202 is fixedly connected to the push plate 2013 and can enable the push plate 2013 to approach or depart from the fixed plate assembly 2012. It should be noted that one end of the expansion rod 302 is generally connected through a U-shaped bracket, the U-shaped bracket is a fixed pipe in a U shape, the end of the U-shaped bracket penetrates through a fixed hole and is connected with a channel of a workpiece, and the other end of the U-shaped bracket is pressed by the pressing plate 2013 to limit the movement of the U-shaped 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 formed with a plurality of first fixing holes 201211, the second template 20123 is formed with a plurality of second fixing holes 201231, the locking plate 20122 is formed with a plurality of locking holes 201221, the first fixing holes 201211 and the second fixing holes 201231 are formed as circular through holes, the locking holes 201221 are formed as strip-shaped holes, the first fixing holes 201211, the second fixing holes 201231, and the locking holes 201221 are disposed in a one-to-one correspondence, an end of the U bracket sequentially passes through the second fixing holes 201231, the locking holes 201221, and the first fixing holes 201211, the locking plate 20122 is movable with respect to the first template 20121 and the second template 20123, and further can press the U bracket 201221, further, the U-bracket can be restricted from moving in the radial direction of the locking hole 201221, and the U-bracket can be fixed more stably, thereby fixing the workpiece more stably.

Referring to fig. 3, 5, in certain embodiments, the second securing mechanism 202 includes a flaring assembly 2021 and a fastening assembly 2022, the flaring assembly 2021 being configured to flare the other end of the workpiece; a fastening assembly 2022 is arranged on the third moving bracket 14, the fastening assembly 2022 comprises a fastening member 20221, the fastening member 20221 is used for fixing one end of a workpiece after flaring, the fastening member 20221 has different models to fix different models of workpieces, and the flaring assembly 2021 is arranged at the lower end of the fastening assembly 2022 in a manner of sliding back and forth. By flaring the other end of the workpiece with the flared portion protruding from the rest, 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 fastening element 20221 is in a rod shape, the fastening element 20221 has a second through hole 202211 for the expansion rod 302 to pass through, one end of the fastening element 20221 is provided with a claw 20222, the fastening element 2022 includes a fastening sleeve 20223 for controlling the claw 20222 to open or close, the fastening sleeve 20223 is slidably fitted over the fastening element 20221, specifically, the fastening element 20221 is in a rod shape, one end of the fastening element 20221 is axially cut into a plurality of portions to form the claw 20222, so that the claw 20222 can be easily fitted over a flared portion of a workpiece, at which time, the claw 20222 is expanded outward, and then the fastening sleeve 20223 is pushed to press the claw 20222 against the workpiece.

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 may be either an air cylinder or a hydraulic cylinder, and the mounting plate 20224 is fixedly disposed on the third moving bracket 14; the first vertical plate 20225 is slidably disposed on the mounting plate 20224, a third through hole 202251 for the fastening member 20221 to pass through is formed in the first vertical plate 20225, one end of the fastening sleeve 20223 abuts against 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 disposed on the mounting plate 20224, the other end of the fastener 20221 passes through the third through hole 202251 and is fixedly connected to the second vertical plate 20226, and the second vertical plate 20226 is provided with a fourth through hole 202261 corresponding to the third through hole 202251; 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 on 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 the output end of the second piston cylinder 20229 is directly and fixedly connected to the first piston cylinder 20228. The specific working process of this embodiment is as follows: the first piston cylinder 20228 drives the first vertical plate 20225 to move forward or backward, the fastening sleeve 20223 can be pushed outward by pushing the first vertical plate 20225 due to one end of the fastening sleeve 20223 abutting against the first vertical plate 20225, so that the claw 20222 can be controlled to fix a workpiece, the first piston cylinder 20228 and the second vertical plate 20226 can be pushed to move by the second piston cylinder 20229, and the fastening member 20221 can be moved in the front-rear direction, so that the workpiece can be conveniently adjusted and fixed.

Referring to fig. 6, in some embodiments, the third moving bracket 14 is provided with a detection plate 14 parallel to the third vertical plate 20227, preferably, the detection plate 14 is fixed to the third moving bracket 14 through an insulating block, further preferably, the detection plate 14 is fixed to the third vertical plate 20227, the detection plate 14 is provided with a sixth through hole 1411 corresponding to the fifth through hole 202271, and the aperture 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 slightly larger than the diameter of the expansion rod 302 means that 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 14 is made of a conductive material, the detection plate 14 is connected with a sensor, when the expansion rod 302 is subjected to a large bending force, the expansion rod 302 contacts with the detection plate 14, so as to send a signal to the sensor, the embodiment further includes a control system, the sensor sends the signal to the control system, the control system sends an instruction to stop continuing the expansion rod 302, and the expansion rod 302 can be prevented from being bent by setting the detection plate 14, so that.

The above description specifically describes the preferred embodiment of the present invention, but of course, the present invention can also adopt different forms from the above embodiments, and equivalent changes or corresponding modifications made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope of the present invention.

Claims

1. A horizontal pipe expander, comprising:

a frame (10);

the workbench (100) is arranged on the rack (10) and is used for placing a workpiece, and the workpiece is provided with a channel;

the fixing device (200) is arranged on the rack (10) and used for fixing the workpiece and limiting the workpiece to stretch back and forth;

the pipe expanding device (300) is arranged on the rack (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.

2. A horizontal pipe expander according to claim 1, wherein the frame (10) comprises:

the workbench (100) is arranged on the fixed frame (11);

the first movable bracket (12) is arranged on the fixed bracket (11) in a front-back sliding manner and is positioned on one side of the workbench (100);

a second movable bracket (13) which is arranged on the fixed bracket (11) in a left-right sliding manner and is positioned at the other side of the workbench (100), wherein the fixing device (200) is arranged on the first movable bracket (12) and the second movable bracket (13);

and the third movable bracket (14) is arranged on the second movable bracket (13) in a manner of being capable of ascending and descending up and down, and the pipe expanding device (300) is arranged on the third movable bracket (14) in a sliding manner.

3. The horizontal tube expander according to claim 2, wherein the tube expander device (300) comprises:

the plurality of expansion rod support plates (301) are slidably arranged on the third movable support (14), and 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 fixed 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 back and forth.

4. A horizontal pipe expander according to claim 3, wherein said fixing means (200) comprises:

the first fixing mechanism (201) is arranged on the first movable support (12) in a vertically lifting mode, is positioned on one side of the workbench (100), and is used for fixing one end of a workpiece;

and the second fixing mechanism (202) is arranged on the third movable bracket (14), is positioned on the other side of the workbench (100), and is used for fixing the other end of the workpiece.

5. The horizontal pipe expander according to claim 2, wherein the frame (10) further comprises a fourth moving bracket (15), the fourth moving bracket (15) comprises a cross plate (151), the cross plate (151) is located above the workbench (100), the fourth moving bracket (15) is slidably arranged on the fixed frame (11) back and forth, the fixing device (200) further comprises a door pressing assembly (203), the door pressing assembly (203) is movably arranged on the cross plate (151) up and down, and the door pressing assembly (203) is used for pressing a workpiece.

6. A horizontal pipe expander according to claim 4, wherein said first fixing means (201) comprises:

the first lifting mechanism (121) is arranged on the first moving support (12), and the fixed shell (2011) is rotatably mounted 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 workpieces are formed in the fixing plate assembly (2012);

a push plate (2013) which is parallel to the fixed plate component (2012) and is movably arranged in the fixed shell (2011);

and the second driving mechanism (2014) is arranged in the fixed shell (2011), and 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 component (2012).

7. The horizontal pipe expander according to claim 6, wherein the second fixing mechanism (202) comprises:

a flaring assembly (2021) for flaring the other end of the workpiece,

a fastening assembly (2022) arranged on the third movable bracket (14), wherein the fastening assembly (2022) comprises a fastening piece (20221), the fastening piece (20221) is used for fixing the flared end of the workpiece, and the flared assembly (2021) is arranged at the lower end of the fastening assembly (2022) in a forward and backward sliding manner.

8. The horizontal pipe expander of claim 7, wherein the fastening member (20221) is in a rod shape, the fastening member (20221) has a second through hole (202211) for the expansion rod (302) to pass through, one end of the fastening member (20221) is provided with a claw (20222), the fastening assembly (2022) comprises a fastening sleeve (20223) for controlling the claw (20222) to open or close, and the fastening sleeve (20223) is slidably sleeved on the fastening member (20221).

9. The horizontal pipe expander according to claim 8, wherein the fastening assembly (2022) further comprises:

a mounting plate (20224) fixedly disposed 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) abuts against 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 can be 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 the second vertical plate (20226) is provided with a fourth through hole (202261) corresponding to the third through hole (202251);

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 on 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 is vertically and fixedly connected to the first vertical plate (20225);

and 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).

10. The horizontal pipe expander according to claim 9, wherein a detection plate (141) parallel to the third vertical plate (20227) is arranged on the third movable bracket (14), a sixth through hole (1411) corresponding to the fifth through hole (202271) is formed in the detection plate (141), and the aperture of the sixth through hole (1411) is slightly larger than the diameter of the expansion rod (302).