CN204867177U - A pipe expanding machine - Google Patents
A pipe expanding machine Download PDFInfo
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- CN204867177U CN204867177U CN201520364331.3U CN201520364331U CN204867177U CN 204867177 U CN204867177 U CN 204867177U CN 201520364331 U CN201520364331 U CN 201520364331U CN 204867177 U CN204867177 U CN 204867177U
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Abstract
The utility model provides a pipe expanding machine, meets with rotary worktable including door positioning seat and expand tube flaring ware, door positioning seat, and U pipe locking seat sets up on rotary worktable, is provided with more than one parallelogram mechanism on the door positioning seat, takes the copper pipe of fin to set up on U pipe locking seat, takes one side of the copper pipe of fin to meet with parallelogram mechanism, takes the opposite side of the copper pipe of fin to meet with the clamp plate frame. Parallelogram mechanism includes first connecting rod, second connecting rod, third connecting rod, fourth connecting rod and the 5th connecting rod, and wherein, first connecting rod AND gate positioning seat meets, and the one end of second connecting rod articulates with the one end of first connecting rod, and the other end of second connecting rod articulates with the one end of third connecting rod, and the third connecting rod articulates with the one end of fourth connecting rod to one side of leaning on the copper taking the fin to manage, the other end of third connecting rod, and the other end of fourth connecting rod and the other end of first connecting rod are articulated. The utility model has the characteristics of production efficiency is high, and welding quality is good for the copper pipe.
Description
Technical field
The utility model relates to a kind of electric tube expander.
Background technology
Chinese patent literature CN204276699U disclosed a kind of expand tube mouth expander on 04 22nd, 2015, and described expand tube mouth expander comprises protective sleeve, enlarging part and connecting rod; Described enlarging part is located at one end of described connecting rod, and removably connects with described connecting rod; Described protective sleeve is socketed on described connecting rod, and described enlarging part is all or part of is placed in described protective sleeve, has for treating the gap that flared pipe fitting inserts between the inwall of described protective sleeve and described enlarging part.
Utility model content
The purpose of this utility model aims to provide a kind of electric tube expander and method of operating thereof of simple and reasonable, flexible operation, to overcome weak point of the prior art.
By a kind of electric tube expander that this object designs, comprise a positioning seat and expand tube mouth expander, its architectural feature is that a positioning seat connects with rotary table, U pipe locking seat is arranged on rotary table, door positioning seat is provided with more than one parallel-crank mechanism, finned copper pipe is arranged on U pipe locking seat, and the side of finned copper pipe connects with parallel-crank mechanism, and the opposite side of finned copper pipe connects with pressing plate frame.
Further, described parallel-crank mechanism comprises first connecting rod, second connecting rod, third connecting rod, double leval jib and the 5th connecting rod, wherein, first connecting rod connects with door positioning seat, one end of second connecting rod and one end of first connecting rod hinged, the other end of second connecting rod and one end of third connecting rod hinged, third connecting rod is resisted against the side of finned copper pipe, the other end of third connecting rod and one end of double leval jib hinged, the other end of double leval jib and the other end of first connecting rod hinged; One end and the first connecting rod of the 5th connecting rod are hinged, the other end of the 5th connecting rod by movable latch and the middle part of second connecting rod or the middle part of double leval jib hinged.
Further, described parallel-crank mechanism also comprises six-bar linkage, first connecting rod is provided with perforate or groove, one end of six-bar linkage connects with the telescoping mechanism be arranged in a positioning seat, and the other end of six-bar linkage is through hinged with one end of the 5th connecting rod after perforate or groove.
Further, described rotary table is provided with the cylinder for clamping U pipe locking seat, frame is provided with servomotor, and this servomotor is positioned at the below of pressing plate frame, be provided with the synchronizing wheel be meshed with ball screw below pressing plate frame, servomotor is connected with synchronizing wheel by reductor.
Further, described pressing plate frame be provided with the whole height according to finned copper pipe and automatically regulate clamping automatic hoisting mechanism highly.
Further, described rotary table is also provided with auxiliary positioning plate, this auxiliary positioning plate is positioned at the side of finned copper pipe.
Further, described door positioning seat is provided with guide rail, what the first connecting rod in more than one parallel-crank mechanism slided is arranged on guide rail; The parallel-crank mechanism of more than two is vertically arranged.
Further, described parallel-crank mechanism is more than two, vertically arranges.
Further, described electric tube expander, also comprises frame, and door positioning seat and rotary table are by connecting with frame by pivoting support; Described frame is provided with drive motors, and the output shaft of this drive motors connects with the rotating shaft of door positioning seat.
Further, described expand tube mouth expander comprises the first mouth expander, the second mouth expander and tube expanding mechanism, frame is disposed with feeding station, the first enlarging station, expand tube station and the second enlarging station, first mouth expander is arranged on the first enlarging station, tube expanding mechanism is arranged on expand tube station, and the second mouth expander is arranged on the second enlarging station; Copper pipe obtains the first horn mouth after the first mouth expander enlarging, and copper pipe obtains the second horn mouth after the second mouth expander enlarging, and the second bell-mouthed internal diameter is greater than the first bell-mouthed internal diameter.
Further, described tube expanding mechanism comprises crossbeam and output motor, crossbeam connects with frame, the rotating shaft of output motor connects with the first eccentric gear, second eccentric gear engages with the first eccentric gear, and the first eccentric gear is connected with seven-link assembly by the first rocking arm, and seven-link assembly connects with mouth of pipe lock sleeve, second eccentric gear is connected with the 8th connecting rod by the second rocking arm, and the 8th connecting rod connects with expander roll.
A method of operating for electric tube expander, is characterized in that comprising the following steps:
Step one, door positioning seat is forwarded to feeding station by the drive motors in frame, first according to the whole height of finned copper pipe, regulate the setting height(from bottom) of parallel-crank mechanism on door positioning seat, then finned copper pipe is arranged on the U pipe locking seat of rotary table; The side of finned copper pipe is abutted together with auxiliary positioning plate, third connecting rod respectively;
Or forward door positioning seat to feeding station by the drive motors in frame, the parallel-crank mechanism on door positioning seat comprises the first parallel-crank mechanism, the second parallel-crank mechanism and the 3rd parallel-crank mechanism; Wherein,
When the whole height of finned copper pipe be less than the supplemental support height of the first parallel-crank mechanism and supplemental support height higher than auxiliary positioning plate time, by the telescoping mechanism in door positioning seat the six-bar linkage in the first parallel-crank mechanism stretched out and drive the 5th connecting rod in the first parallel-crank mechanism, first parallel-crank mechanism is opened completely, then finned copper pipe is arranged on the U pipe locking seat of rotary table, now, the side of finned copper pipe respectively with auxiliary positioning plate, third connecting rod in first parallel-crank mechanism is abutted together,
When the whole height of finned copper pipe be less than the supplemental support height of the second parallel-crank mechanism and supplemental support height higher than the first parallel-crank mechanism time, by the telescoping mechanism in door positioning seat the six-bar linkage in the first parallel-crank mechanism stretched out and drive the 5th connecting rod in the first parallel-crank mechanism, first parallel-crank mechanism is opened completely, by the telescoping mechanism in door positioning seat the six-bar linkage in the second parallel-crank mechanism stretched out and drive the 5th connecting rod in the second parallel-crank mechanism, second parallel-crank mechanism is opened completely, then finned copper pipe is arranged on the U pipe locking seat of rotary table, now, the side of finned copper pipe respectively with auxiliary positioning plate, third connecting rod in first parallel-crank mechanism, third connecting rod in second parallel-crank mechanism is abutted together,
When the whole height of finned copper pipe be less than the supplemental support height of the 3rd parallel-crank mechanism and supplemental support height higher than the second parallel-crank mechanism time, by the telescoping mechanism in door positioning seat the six-bar linkage in the first parallel-crank mechanism stretched out and drive the 5th connecting rod in the first parallel-crank mechanism, first parallel-crank mechanism is opened completely, by the telescoping mechanism in door positioning seat the six-bar linkage in the second parallel-crank mechanism stretched out and drive the 5th connecting rod in the second parallel-crank mechanism, second parallel-crank mechanism is opened completely, by the telescoping mechanism in door positioning seat the six-bar linkage in the 3rd parallel-crank mechanism stretched out and drive the 5th connecting rod in the 3rd parallel-crank mechanism, 3rd parallel-crank mechanism is opened completely, then finned copper pipe is arranged on the U pipe locking seat of rotary table, now, the side of finned copper pipe respectively with auxiliary positioning plate, third connecting rod in first parallel-crank mechanism, third connecting rod in second parallel-crank mechanism, third connecting rod in 3rd parallel-crank mechanism is abutted together,
Step 2, forwards door positioning seat and finned copper pipe to first enlarging station by the drive motors in frame, and first pressing plate chord position is in the outside of frame;
The synchronizing wheel of first pressing plate frame is connected with the reductor of servomotor, by the effect of servomotor, make first pressing plate frame advance and compress with the opposite side of finned copper pipe, finned copper pipe is just pressed between auxiliary positioning plate, third connecting rod and first pressing plate frame; Be arranged on the first mouth expander in frame under the effect of driving mechanism, first time enlarging is carried out to copper pipe;
Step 3, after first time, enlarging terminated, under the effect of servomotor, first pressing plate frame moves backward, and gets back to the outside of frame;
Step 4, forwards door positioning seat and finned copper pipe to expand tube station by the drive motors in frame; Second pressing plate chord position is in the outside of frame;
The synchronizing wheel of second pressing plate frame is connected with the reductor of servomotor, by the effect of servomotor, the opposite side of second pressing plate frame and finned copper pipe is compressed, and finned copper pipe is just pressed between auxiliary positioning plate, third connecting rod and second pressing plate frame; The tube expanding mechanism be arranged in frame carries out expand tube to copper pipe;
Step 5, after expand tube terminates, under the effect of servomotor, second pressing plate frame and cylinder depart from; Second pressing plate frame leaves expand tube station, and gets back to the outside of frame;
Step 6, forwards door positioning seat and finned copper pipe to second enlarging station by the drive motors in frame; 3rd pressing plate chord position is in the outside of frame;
3rd synchronizing wheel of pressing plate frame is connected with the reductor of servomotor, by the effect of servomotor, the opposite side of the 3rd pressing plate frame and finned copper pipe is compressed, and finned copper pipe is just pressed between auxiliary positioning plate, third connecting rod and the 3rd pressing plate frame; Be arranged on the second mouth expander in frame under the effect of driving mechanism, second time enlarging is carried out to copper pipe;
Step 7, after second time enlarging terminates, under the effect of servomotor, the 3rd pressing plate frame and servomotor depart from; 3rd pressing plate frame leaves the second enlarging station, and gets back to the outside of frame.
Door positioning seat in the utility model connects with rotary table, U pipe locking seat is arranged on rotary table, door positioning seat is provided with parallel-crank mechanism, finned copper pipe is arranged on U pipe locking seat, the side of finned copper pipe connects with parallel-crank mechanism, and the opposite side of finned copper pipe connects with pressing plate frame; When carrying out follow-up first time enlarging, expand tube, second time enlarging, finned copper pipe is crimped between parallel-crank mechanism and pressing plate frame always; Ensure that stability and the fastness of finned copper pipe.When working depth is different, when namely the whole height of finned copper pipe is different, clamping does not need to change parallel-crank mechanism, only needs parallel-crank mechanism upper and lower translation.
Frame in the utility model is provided with servomotor, and this servomotor is positioned at the below of pressing plate frame, and be provided with the synchronizing wheel be meshed with ball screw below pressing plate frame, servomotor is connected with synchronizing wheel by reductor; So pressing plate frame, under the effect of servomotor and ball screw, realizes the function driving clamping and return, thus improves automation Chengdu, reduces the labour intensity of operating personnel.
Parallel-crank mechanism in the utility model comprises first connecting rod, second connecting rod, third connecting rod, double leval jib and the 5th connecting rod, wherein, first connecting rod connects with door positioning seat, one end of second connecting rod and one end of first connecting rod hinged, the other end of second connecting rod and one end of third connecting rod hinged, third connecting rod is resisted against the side of finned copper pipe, the other end of third connecting rod and one end of double leval jib hinged, the other end of double leval jib and the other end of first connecting rod hinged; One end and the first connecting rod of the 5th connecting rod are hinged, the other end of the 5th connecting rod by movable latch and the middle part of second connecting rod or the middle part of double leval jib hinged; By fixing the 5th connecting rod, this parallel-crank mechanism can be fixed; When unclamping the 5th connecting rod, can so that the adjustment of parallel-crank mechanism.
Expand tube mouth expander in the utility model comprises the first mouth expander and the second mouth expander, frame is disposed with feeding station, the first enlarging station, expand tube station and the second enlarging station, first mouth expander is arranged on the first enlarging station, flaring mechanism is arranged on expand tube station, and the second mouth expander is arranged on the second enlarging station; Copper pipe obtains the first horn mouth after the first mouth expander enlarging; After having had the first horn mouth, be convenient to mouth of pipe spring clip and mouth of pipe lock sleeve clamping copper pipe, during expand tube, copper pipe ungauged regions is fricton-tight, then expand tube, and whole for copper pipe internal diameter is swollen to be clamped with fin; Copper pipe obtains the second horn mouth after the second mouth expander enlarging, and the second bell-mouthed internal diameter is greater than the first bell-mouthed internal diameter; So automatically secondary enlarging and expand tube can be carried out, improve production efficiency.
Operating process of the present utility model is followed successively by: first time enlarging, expand tube and second time enlarging, with existing operating process: expand tube and enlarging, can draw after carrying out technics comparing, the utility model has that operating efficiency is higher, product quality is better, and the complete ungauged regions of copper pipe, the advantages such as materials consumption rate is low.
The utility model have simple and reasonable, flexible operation, production efficiency are high, the feature that copper pipe welding quality is good.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model one embodiment.
Stereogram when Fig. 2 is door positioning seat, rotary table, parallel-crank mechanism and the pressing plate frame assembling in the utility model.
Fig. 3 is the schematic diagram of pressing plate frame when being separated with parallel-crank mechanism.
Fig. 4 is the first application examples schematic diagram after a positioning seat and parallel-crank mechanism are assembled.
Fig. 5 is the second application examples schematic diagram after a positioning seat and parallel-crank mechanism are assembled.
Fig. 6 is the 3rd application examples schematic diagram after a positioning seat and parallel-crank mechanism are assembled.
Fig. 7 is the 4th application examples schematic diagram after a positioning seat and parallel-crank mechanism are assembled.
Fig. 8 is the amagnified partial perspective schematic diagram of flaring mechanism.
Fig. 9-Figure 11 is first time flaring process schematic diagram.
Figure 12-Figure 15 is expand tube process schematic.
Figure 16-Figure 18 is second time flaring process schematic diagram.
Figure 19 is the close-up schematic view of copper pipe after second time enlarging and fin.
In figure: 1 is the first mouth expander, 2 is fin, 3 is U pipe locking seat, 4 is copper pipe, 5 is the second mouth expander, 6 is expander roll, 7 is mouth of pipe spring clip, 8 is mouth of pipe lock sleeve, 9 is swollen ball, 10 is swollen ball lock-screw, 11 is the first horn mouth, 12 is the second horn mouth, 13 is door positioning seat, 14 is pressing plate frame, 14.1 be butt joint, 15 is parallel-crank mechanism, 15.1 be first connecting rod, 15.2 be second connecting rod, 15.3 be third connecting rod, 15.4 is double leval jib, 15.5 is the 5th connecting rod, 15.6 is six-bar linkage, 17 is guide rail, 20 is frame, 21 is rotating shaft, 22 is crossbeam, 23 is the first eccentric gear, 24 is the second eccentric gear, 25 is the second rocking arm, 26 is the 8th connecting rod, 27 is the first rocking arm, 28 is seven-link assembly, 30 is rotary table, 31 is auxiliary positioning plate, 32 is cylinder, 40 is workpiece, 50 is servomotor.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
See Fig. 1-Figure 19, this electric tube expander, comprise a positioning seat 13 and expand tube mouth expander, door positioning seat 13 connects with rotary table 30, U pipe locking seat 3 is arranged on rotary table 30, door positioning seat 13 is provided with parallel-crank mechanism 15, and the copper pipe 4 of band fin 2 is arranged on U pipe locking seat 3, the side of the copper pipe 4 with fin 2 connects with parallel-crank mechanism 15, and the opposite side of the copper pipe 4 of band fin 2 connects with pressing plate frame 14.
In the present embodiment, described rotary table 30 is provided with the cylinder 32 for clamping U pipe locking seat 3, frame 20 is provided with servomotor 50, this servomotor 50 is positioned at the below of pressing plate frame 14, be provided with the synchronizing wheel 14.1 be meshed with ball screw below pressing plate frame 14, servomotor 50 is connected with synchronizing wheel 14.1 by reductor.
Described pressing plate frame 14 be provided with the whole height according to the copper pipe 4 of band fin 2 and automatically regulate clamping automatic hoisting mechanism highly.The adjustment of clamping height can realize automation, automatically regulates the height dimension of clamping according to being with the differing heights of the copper pipe 4 of fin 2.
Existing similar clamping structure is fixing, when workpiece height in short-term, the clamp added in locking structure be removed, when the height of workpiece is long, again the clamp added in locking structure is installed.But the parallel-crank mechanism in the utility model can retract the crossbeam avoided in tube expanding mechanism, need not dismantle to reduce labour intensity.Crossbeam will describe in detail below.
Described parallel-crank mechanism 15 comprises first connecting rod 15.1, second connecting rod 15.2, third connecting rod 15.3, double leval jib 15.4 and the 5th connecting rod 15.5, wherein, first connecting rod 15.1 connects with door positioning seat 13, one end of second connecting rod 15.2 and one end of first connecting rod 15.1 hinged, the other end of second connecting rod 15.2 and one end of third connecting rod 15.3 hinged, third connecting rod 15.3 is resisted against the side of the copper pipe 4 of band fin 2, the other end of third connecting rod 15.3 and one end of double leval jib 15.4 hinged, the other end of double leval jib 15.4 and the other end of first connecting rod 15.1 hinged, one end and the first connecting rod 15.1 of the 5th connecting rod 15.5 are hinged, the other end of the 5th connecting rod 15.5 by movable latch and the middle part of second connecting rod 15.2 or the middle part of double leval jib 15.4 hinged.Workpiece 20 in Fig. 4-Fig. 5, is the copper pipe 4 of band fin 2.
Described parallel-crank mechanism 15 also comprises six-bar linkage 15.6, first connecting rod 15.1 is provided with perforate or groove, one end of six-bar linkage 15.6 connects with the telescoping mechanism be arranged in a positioning seat 13, and the other end of six-bar linkage 15.6 is through hinged with one end of the 5th connecting rod 15.5 after perforate or groove.
Described rotary table 30 is also provided with auxiliary positioning plate 31, and this auxiliary positioning plate 31 is positioned at the side of the copper pipe 4 of band fin 2.
Described door positioning seat 13 is provided with guide rail 17, and what the first connecting rod 15.1 in more than one parallel-crank mechanism 15 slided is arranged on guide rail 17.
Described electric tube expander, also comprises frame 20, and door positioning seat 13 and rotary table 30 are connected with frame 20 by pivoting support; Described frame 20 is provided with drive motors, and the output shaft of this drive motors connects with the rotating shaft 21 of door positioning seat 13.
Conducting slip ring is set in rotating shaft 21, and time to ensure that a positioning seat 13 rotates, electric wire is not and then transferred by strand disconnected together.
Described parallel-crank mechanism 15 is more than two, vertically arranges.
Described expand tube mouth expander comprises the first mouth expander 1, second mouth expander 5 and tube expanding mechanism, frame 20 is disposed with feeding station, the first enlarging station, expand tube station and the second enlarging station, first mouth expander 1 is arranged on the first enlarging station, tube expanding mechanism is arranged on expand tube station, and the second mouth expander 5 is arranged on the second enlarging station; Copper pipe 4 obtains the first horn mouth 11 after the first mouth expander 1 enlarging, and the internal diameter that copper pipe 4 obtains the second horn mouth 12, second horn mouth 12 after the second mouth expander 5 enlarging is greater than the internal diameter of the first horn mouth 11.
Described tube expanding mechanism comprises crossbeam 22 and output motor, see Fig. 7, crossbeam 22 connects with frame 20, the rotating shaft of output motor connects with the first eccentric gear 23, second eccentric gear 24 engages with the first eccentric gear 23, and the first eccentric gear 23 is connected with seven-link assembly 28 by the first rocking arm 27, and seven-link assembly 28 connects with mouth of pipe lock sleeve 7, second eccentric gear 24 is connected with the 8th connecting rod 26 by the second rocking arm 25, and the 8th connecting rod 26 connects with expander roll 6.
Above-mentioned flaring mechanism is equivalent to toggle, the first eccentric gear wherein and the second eccentric gear are equivalent to crank, all connecting rod in addition, when toggle rotates, slide up and down along guide rail slide block above with the towing plate being provided with mouth expander, thus realize the function of enlarging.
In the present embodiment, crossbeam is linked together by guide rail slide block and frame 20.
The method of operating of electric tube expander, comprises the following steps:
Step one, door positioning seat 13 is forwarded to feeding station by the drive motors in frame 20, first according to the whole height of the copper pipe 4 of band fin 2, regulate the setting height(from bottom) of parallel-crank mechanism 15 on door positioning seat 13, then the copper pipe 4 of band fin 2 is arranged on the U pipe locking seat 3 of rotary table 30; The side of the copper pipe 4 with fin 2 is abutted together with auxiliary positioning plate 31, third connecting rod 15.3 respectively.
Be more than for can in the method for operating of the parallel-crank mechanism of slide on rails, when configuration for the parallel-crank mechanism of more than two, following method can be adopted to operate.
Step one, forwards door positioning seat 13 to feeding station by the drive motors in frame 20, and the parallel-crank mechanism 15 on door positioning seat 13 comprises the first parallel-crank mechanism, the second parallel-crank mechanism and the 3rd parallel-crank mechanism.
Wherein, be less than the supplemental support height of the first parallel-crank mechanism when being with the whole height of copper pipe 4 of fin 2 and supplemental support height higher than auxiliary positioning plate 31 time, by the telescoping mechanism in door positioning seat 13 six-bar linkage 15.6 in first parallel-crank mechanism stretched out and drive the 5th connecting rod 15.5 in the first parallel-crank mechanism, first parallel-crank mechanism is opened completely, then the copper pipe 4 of band fin 2 is arranged on the U pipe locking seat 3 of rotary table 30, now, the side of the copper pipe 4 with fin 2 respectively with auxiliary positioning plate 31, third connecting rod 15.3 in first parallel-crank mechanism is abutted together.The supplemental support height of the first parallel-crank mechanism refers to that the first parallel-crank mechanism opens the rear maximum supplemental support height that can reach; See Fig. 7.
Be less than the supplemental support height of the second parallel-crank mechanism when being with the whole height of copper pipe 4 of fin 2 and supplemental support height higher than the first parallel-crank mechanism time, by the telescoping mechanism in door positioning seat 13 six-bar linkage 15.6 in first parallel-crank mechanism stretched out and drive the 5th connecting rod 15.5 in the first parallel-crank mechanism, first parallel-crank mechanism is opened completely, by the telescoping mechanism in door positioning seat 13 six-bar linkage 15.6 in second parallel-crank mechanism stretched out and drive the 5th connecting rod 15.5 in the second parallel-crank mechanism, second parallel-crank mechanism is opened completely, then the copper pipe 4 of band fin 2 is arranged on the U pipe locking seat 3 of rotary table 30, now, the side of the copper pipe 4 with fin 2 respectively with auxiliary positioning plate 31, third connecting rod 15.3 in first parallel-crank mechanism, third connecting rod 15.3 in second parallel-crank mechanism is abutted together.
Be less than the supplemental support height of the 3rd parallel-crank mechanism when being with the whole height of copper pipe 4 of fin 2 and supplemental support height higher than the second parallel-crank mechanism time, by the telescoping mechanism in door positioning seat 13 six-bar linkage 15.6 in first parallel-crank mechanism stretched out and drive the 5th connecting rod 15.5 in the first parallel-crank mechanism, first parallel-crank mechanism is opened completely, by the telescoping mechanism in door positioning seat 13 six-bar linkage 15.6 in second parallel-crank mechanism stretched out and drive the 5th connecting rod 15.5 in the second parallel-crank mechanism, second parallel-crank mechanism is opened completely, by the telescoping mechanism in door positioning seat 13 six-bar linkage 15.6 in the 3rd parallel-crank mechanism stretched out and drive the 5th connecting rod 15.5 in the 3rd parallel-crank mechanism, 3rd parallel-crank mechanism is opened completely, then the copper pipe 4 of band fin 2 is arranged on the U pipe locking seat 3 of rotary table 30, now, the side of the copper pipe 4 with fin 2 respectively with auxiliary positioning plate 31, third connecting rod 15.3 in first parallel-crank mechanism, third connecting rod 15.3 in second parallel-crank mechanism, third connecting rod 15.3 in 3rd parallel-crank mechanism is abutted together.
Next, be step 2.
Step 2, forward the copper pipe 4 of door positioning seat 13 and band fin 2 to first enlarging station by the drive motors in frame 20, first pressing plate frame 14 is positioned at the outside of frame 20;
The synchronizing wheel 14.1 of first pressing plate frame 14 is connected with the reductor of servomotor 50, by the effect of servomotor 50, first pressing plate frame 14 is advanced and compresses with the opposite side of the copper pipe 4 of band fin 2, the copper pipe 4 of band fin 2 is just pressed between auxiliary positioning plate 31, third connecting rod 15.3 and first pressing plate frame 14; Be arranged on the first mouth expander 1 in frame 20 under the effect of driving mechanism, first time enlarging is carried out to copper pipe;
Step 3, after first time, enlarging terminated, under the effect of servomotor 50, first pressing plate frame 14 moves backward, and gets back to the outside of frame 20;
Step 4, forwards the copper pipe 4 of door positioning seat 13 and band fin 2 to expand tube station by the drive motors in frame 20; Second pressing plate frame 14 is positioned at the outside of frame 20;
The synchronizing wheel 14.1 of second pressing plate frame 14 is connected with the reductor of servomotor 50, by the effect of servomotor 50, second pressing plate frame 14 is compressed with the opposite side of the copper pipe 4 of band fin 2, and the copper pipe 4 of band fin 2 is just pressed between auxiliary positioning plate 31, third connecting rod 15.3 and second pressing plate frame 14; The tube expanding mechanism be arranged in frame 20 carries out expand tube to copper pipe;
Step 5, after expand tube terminates, under the effect of servomotor 50, second pressing plate frame 14 departs from servomotor 50; Second pressing plate frame 14 leaves expand tube station, and gets back to the outside of frame 20;
Step 6, forwards the copper pipe 4 of door positioning seat 13 and band fin 2 to second enlarging station by the drive motors in frame 20; 3rd pressing plate frame 14 is positioned at the outside of frame 20;
The synchronizing wheel 14.1 of the 3rd pressing plate frame 14 is connected with the reductor of servomotor 50, by the effect of servomotor 50,3rd pressing plate frame 14 is compressed with the opposite side of the copper pipe 4 of band fin 2, and the copper pipe 4 of band fin 2 is just pressed between auxiliary positioning plate 31, third connecting rod 15.3 and the 3rd pressing plate frame 14; Be arranged on the second mouth expander 5 in frame 20 under the effect of driving mechanism, second time enlarging is carried out to copper pipe;
Step 7, after second time enlarging terminates, under the effect of servomotor 50, the 3rd pressing plate frame 14 departs from servomotor 50; 3rd pressing plate frame 14 leaves the second enlarging station, and gets back to the outside of frame 20.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. an electric tube expander, comprise a positioning seat (13) and expand tube mouth expander, it is characterized in that a positioning seat (13) connects with rotary table (30), U pipe locking seat (3) is arranged on rotary table (30), door positioning seat (13) is provided with more than one parallel-crank mechanism (15), the copper pipe (4) of band fin (2) is arranged on U pipe locking seat (3), the side of the copper pipe (4) of band fin (2) connects with parallel-crank mechanism (15), the opposite side of the copper pipe (4) of band fin (2) connects with pressing plate frame (14).
2. electric tube expander according to claim 1, it is characterized in that described parallel-crank mechanism (15) comprises first connecting rod (15.1), second connecting rod (15.2), third connecting rod (15.3), double leval jib (15.4) and the 5th connecting rod (15.5), wherein, first connecting rod (15.1) connects with door positioning seat (13), one end of second connecting rod (15.2) and one end of first connecting rod (15.1) hinged, the other end of second connecting rod (15.2) and one end of third connecting rod (15.3) hinged, third connecting rod (15.3) is resisted against the side of the copper pipe (4) of band fin (2), the other end of third connecting rod (15.3) and one end of double leval jib (15.4) hinged, the other end of double leval jib (15.4) and the other end of first connecting rod (15.1) hinged, one end and the first connecting rod (15.1) of the 5th connecting rod (15.5) are hinged, the other end of the 5th connecting rod (15.5) by movable latch and the middle part of second connecting rod (15.2) or the middle part of double leval jib (15.4) hinged.
3. electric tube expander according to claim 2, it is characterized in that described parallel-crank mechanism (15) also comprises six-bar linkage (15.6), (15.1) are provided with perforate or groove to first connecting rod, one end of six-bar linkage (15.6) connects with the telescoping mechanism be arranged in a positioning seat (13), and the other end of six-bar linkage (15.6) is through hinged with one end of the 5th connecting rod (15.5) after perforate or groove.
4. electric tube expander according to claim 1, it is characterized in that the cylinder (32) described rotary table (30) is provided with for clamping U pipe locking seat (3), frame (20) is provided with servomotor (50), this servomotor (50) is positioned at the below of pressing plate frame (14), be provided with the synchronizing wheel (14.1) be meshed with ball screw below pressing plate frame (14), servomotor (50) is connected with synchronizing wheel (14.1) by reductor.
5. electric tube expander according to claim 4, is characterized in that described pressing plate frame (14) being provided with the automatic hoisting mechanism that automatically can regulate clamping height according to the whole height of the copper pipe (4) of band fin (2).
6. electric tube expander according to claim 1, it is characterized in that described rotary table (30) is also provided with auxiliary positioning plate (31), this auxiliary positioning plate (31) is positioned at the side of the copper pipe (4) of band fin (2); Described door positioning seat (13) is provided with guide rail (17), and what the first connecting rod (15.1) in more than one parallel-crank mechanism (15) slided is arranged on guide rail (17).
7. electric tube expander according to claim 6, is characterized in that described parallel-crank mechanism (15) is more than two, and vertically arranges.
8., according to the arbitrary described electric tube expander of claim 1 to 7, it is characterized in that also comprising frame (20), door positioning seat (13) and rotary table (30) are connected with frame (20) by pivoting support; (20) are provided with drive motors to described frame, and the output shaft of this drive motors connects with the rotating shaft (21) of door positioning seat (13).
9. electric tube expander according to claim 8, it is characterized in that described expand tube mouth expander comprises the first mouth expander (1), the second mouth expander (5) and tube expanding mechanism, frame (20) is disposed with feeding station, the first enlarging station, expand tube station and the second enlarging station, first mouth expander (1) is arranged on the first enlarging station, tube expanding mechanism is arranged on expand tube station, and the second mouth expander (5) is arranged on the second enlarging station; Copper pipe (4) obtains the first horn mouth (11) after the first mouth expander (1) enlarging, then copper pipe (4) obtains the second horn mouth (12) after the second mouth expander (5) enlarging, and the internal diameter of the second horn mouth (12) is greater than the internal diameter of the first horn mouth (11).
10. electric tube expander according to claim 9, it is characterized in that described tube expanding mechanism comprises crossbeam (22) and output motor, crossbeam (22) connects with frame (20), the rotating shaft of output motor connects with the first eccentric gear (23), second eccentric gear (24) engages with the first eccentric gear (23), first eccentric gear (23) is connected with seven-link assembly (28) by the first rocking arm (27), seven-link assembly (28) connects with mouth of pipe lock sleeve (7), second eccentric gear (24) is connected with the 8th connecting rod (26) by the second rocking arm (25), 8th connecting rod (26) connects with expander roll (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520364331.3U CN204867177U (en) | 2015-05-29 | 2015-05-29 | A pipe expanding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520364331.3U CN204867177U (en) | 2015-05-29 | 2015-05-29 | A pipe expanding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204867177U true CN204867177U (en) | 2015-12-16 |
Family
ID=54811605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520364331.3U Expired - Fee Related CN204867177U (en) | 2015-05-29 | 2015-05-29 | A pipe expanding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204867177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033080A (en) * | 2015-05-29 | 2015-11-11 | 中山市特克精密机械有限公司 | Pipe expander and operating method thereof |
-
2015
- 2015-05-29 CN CN201520364331.3U patent/CN204867177U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033080A (en) * | 2015-05-29 | 2015-11-11 | 中山市特克精密机械有限公司 | Pipe expander and operating method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160707 Address after: 528400 Guangdong province Zhongshan city Sha Yong Long Zhu Lu No. 6 third storey factory building second card Patentee after: ZHONGSHAN JINGDA TEKE MACHINERY CO., LTD. Address before: 528400 Guangdong city of Zhongshan province Zhongshan City West Road No. 137-149 (building J three) Patentee before: ZHONGSHAN TEKE PRECISION MACHINE CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180529 |