CN108906947B - The method of helicla flute is opened up in pipe fitting outside wall surface - Google Patents
The method of helicla flute is opened up in pipe fitting outside wall surface Download PDFInfo
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- CN108906947B CN108906947B CN201810855632.4A CN201810855632A CN108906947B CN 108906947 B CN108906947 B CN 108906947B CN 201810855632 A CN201810855632 A CN 201810855632A CN 108906947 B CN108906947 B CN 108906947B
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- pipe fitting
- helicla flute
- extruding wheel
- fixed
- straight line
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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
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/04—Forming single grooves in sheet metal or tubular or hollow articles by rolling
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Abstract
The invention discloses a kind of methods that helicla flute is opened up in pipe fitting outside wall surface, first revolution extruding wheel and the second revolution extruding wheel are arranged on the device for opening up helicla flute, first revolution extruding wheel is equipped with first annular slot, second revolution extruding wheel is equipped with the second annular groove, open up device driving the second revolution extruding wheel displacement of helicla flute, pipe fitting is set to be clamped by the first revolution extruding wheel and the second revolution extruding wheel and be generated squeezing action power to pipe fitting, it is supported respectively with first annular slot and the second annular groove at the clamped position of pipe fitting, pipe fitting is under the squeezing action power that the first revolution extruding wheel and the second revolution extruding wheel generate, the outer wall of pipe fitting is recessed to the inside of pipe fitting；Step 3, the device driving pipe fitting of helicla flute is opened up along the axial movement of the pipe fitting and rotates pipe fitting simultaneously, and under the first revolution extruding wheel and the second revolution extruding wheel squeezing action power, the surface of pipe fitting is squeezed out helicla flute.The present invention can avoid pipe fitting and deform during opening up helicla flute.
Description
Technical field
The present invention relates to pipe fitting processing technique fields, and in particular to a kind of side that helicla flute is opened up in pipe fitting outside wall surface
Method.
Background technique
Air-conditioning system for motor vehicle is provided with various heat exchangers, such as tube-in-tube heat exchanger.Traditional casing
Formula heat exchanger includes pipe fitting and outer tube.Outer tube sleeve is connected with input port, outer tube on pipe fitting on the circumferential surface of outer tube one end
Output port, gap of the heat exchange fluid after input port input, between pipe fitting and outer tube are connected on the circumferential surface of the other end
After flowing through, flowed out from the output port.Exchange liquid is changed after entering outer tube, lead to the mode of heat transfer and flows through pipe fitting
In liquid carry out heat exchange.
For raising heat exchanging efficiency, in the prior art, slot is offered in the outside wall surface of pipe fitting, is increased by the slot opened up
Add the surface area of pipe fitting, so that the efficiency of heat exchange is promoted.The slot opened up out has straight trough at present, also there is spiral
Slot.
CN1134324A discloses a kind of recess knurling tube process equipment, as illustrated in fig. 1 and 2, the equipment include bedstead 2,
Spindle box 5, screw rod 7 and its transmission parts, screw rod 7 are connected with collet 10, and main shaft is connected with rotary squeezing part 4, and this is squeezed
Casting die 4 is made of the external member 12 on adjusting block 11 and adjusting block 11 and the milled head 18 matched with the external member 12.
The process equipment of above structure, the rotary squeezing part 4 driven by main shaft is in the circumferentially rotated rolling of 3 outer wall of pipe
Pressure, the adjusting block 5 of rotary squeezing part 4 are equipped with the external member 12 matched with milled head, are equipped with screw hole, milled head in the external member 12
One end be cylindrical body 16, and be spirally connected with external member 12, fixed by fixed screw, the other end of milled head is processing idler wheel,
It adjusts the cylindrical body 16 of milled head one end and is allowed to fixed, when processing idler wheel being made to be in certain angle, difference can be processed
The rollet of thickness or different depth.
Due to one end connecting rolling head of cylindrical body, and milled head is using idler wheel 18, and idler wheel 18 is only in pipe 3
Surface, which is formed, to be rolled, still, since idler wheel 18 can transmit the squeezing action power that pipe 3 generates along the two sides for forming groove,
It is apparent that since the squeezing action power is unable to get control, thus after forming groove on pipe 3 groove two sides trough wall surface with
And the tube wall face of pipe 3 will deform.
In addition, idler wheel 18 is fixed with respect to the position of pipe 3, therefore cylindrical body 16 can only be moved along the axial direction of external member 12
It is dynamic, without can be carried out rotary motion, it is thus evident that this structure is to adjust idler wheel 18 and pipe by the axial movement of cylindrical body 16
Spacing between base 3, and the fixation of cylindrical body 16 is supporting by fixed screw 17 and cylindrical body 16, so that cylindrical body 16 exists
Radial to be positioned, still, in extrusion process, pipe 3 will generate the effect of radial direction (distending) in moving process to idler wheel 18
Power, the radial forces be it is parallel with the axial direction of cylindrical body 16, therefore, the radial forces effect that pipe 3 is formed when mobile
After on cylindrical body 16, since cylindrical body 16 is not positioned axial, will lead to cylindrical body 16 and axially move
It is dynamic, to cause the groove processed inconsistent in the depth at each position.
Summary of the invention
The purpose of the present invention is to provide a kind of method for opening up helicla flute in pipe fitting outside wall surface, the present invention be can avoid
Pipe fitting deforms during opening up helicla flute.
Realize that the technical solution of above-mentioned purpose is as follows:
The method of helicla flute is opened up in pipe fitting outside wall surface, comprising the following steps:
Step 1, one end of pipe fitting is connect with the device for opening up helicla flute；
Step 2, the first revolution extruding wheel and the second revolution extruding wheel are arranged on the device for opening up helicla flute, the first revolution
Extruding wheel is equipped with first annular slot, and the second revolution extruding wheel is equipped with the second annular groove, opens up the device driving the of helicla flute
The displacement of two-revolution extruding wheel makes pipe fitting be clamped by the first revolution extruding wheel and the second revolution extruding wheel and be generated squeezing action to pipe fitting
Power, the clamped position of pipe fitting are supported with first annular slot and the second annular groove respectively, pipe fitting in the first revolution extruding wheel and
Under the squeezing action power that second revolution extruding wheel generates, the outer wall of pipe fitting is recessed to the inside of pipe fitting；
Step 3, the device driving pipe fitting of helicla flute is opened up along the axial movement of the pipe fitting and rotates pipe fitting simultaneously,
Under single-revolution extruding wheel and the second revolution extruding wheel squeezing action power, the surface of pipe fitting is squeezed out helicla flute.
Using above scheme, when needing to open up helicla flute on pipe fitting, one end of pipe fitting passes through logical on support base
The output end of the second driving mechanism of Kong Houyu connects, and after straight line driving mechanism drives sliding seat mobile, pipe fitting is squeezed by the second revolution
The cell wall of pinch roller and the first revolution extruding wheel clamping, the outer wall of pipe fitting and first annular slot and the second annular groove is supported and is protected
It holds, the first driving mechanism driving Mobile base moves linearly along the linear guide, and the second driving mechanism output torque revolves pipe fitting
Turn, be squeezed the pipe fitting rotation of pinch roller clamping and make pipe fitting along the axial movement of the pipe fitting to form helicla flute, pipe fitting and first time
Turn to make the first revolution extruding wheel and the second revolution extruding wheel quilt by frictional force between extruding wheel and the second revolution extruding wheel
It rotates dynamicly.The second annular formed due to the first annular slot formed in the first revolution extruding wheel and the second revolution extruding wheel
Slot is encased the circumferential surface of pipe fitting by first annular slot and the second annular groove and is radially constrained with the extruding formation to pipe fitting, in turn
The generated deformation in the two sides of the helicla flute of formation forms limitation in extrusion process, avoids the spiral formed on pipe fitting
Deformation occurs for the part of the two sides of slot.And since the first above-mentioned revolution extruding wheel and the first revolution extruding wheel prevent pipe fitting
Deformation so that resistance of the pipe fitting in moving process reduces, it is easier to form helicla flute on pipe fitting.
Figure of description
Fig. 1 is the structural schematic diagram of recess knurling tube process equipment in the prior art；
Fig. 2 is another structural schematic diagram of rotary squeezing part shown in Fig. 1；
Fig. 3 is the structural schematic diagram of the method that helicla flute is opened up in pipe fitting outside wall surface of invention；
Fig. 4 is the structural schematic diagram of Mobile base in the present invention；
Fig. 5 is the structural schematic diagram of the first driving mechanism in the present invention；
Fig. 6 is the schematic diagram of the collet in the present invention；
Fig. 7 is the collet in the present invention and the schematic diagram of the section structure after casing assembly；
Fig. 8 is the schematic diagram for the first embodiment that the jacking mechanism in the present invention is connect with sliding seat；
Fig. 9 is the signal for second of embodiment that the jacking mechanism in the present invention is connect (in reset state) with sliding seat
Figure；
Figure 10 is the schematic diagram when jacking mechanism in the present invention connect in running order with sliding seat；
Figure 11 is the portion the A enlarged drawing in Fig. 9；
Figure 12 is showing for the third embodiment that the jacking mechanism in the present invention connect with sliding seat and (is in reset state)
It is intended to；
State diagram when Figure 13 is the work of Figure 12；
In attached drawing, 1 be workbench body, 2 be plate, 2a is backing plate, 3 is floor, 4 is connector, 5 is that first straight line is led
Rail, 6 be second straight line guide rail, 7 be Mobile base, 7a is groove, 7b is mounting hole, 8 is the first torque output member, 9 is first
Transmission mechanism, 10 be first gear component, 11 be the first rack gear, 12 be the second motor, 13 be the second support base, 14 be pipe fitting,
15 it is shaft, 16 is casing, 17 is collet, 17a is sleeve, 17b is fixture block, 17c is locking member, 17d is lock sleeve, 17e
Be the second inclined-plane for the first inclined-plane, 17f, 18 be fixing seat, 19 be the first revolution extruding wheel, 19a is first annular slot, 20 is living
Dynamic seat, 21 for the second revolution extruding wheel, 21a are the second annular groove, 22 are straight line driving mechanism, 23 are the first support base, 24 are
First hinged seat, 24a be the first hinge member, 25 be connecting rod, 26 be the second hinged seat, 26a is skewed slot, 27 is the second articulated section
Part；
28 for the first motion bar, 28a be slot, 29 be the first fixing seat, 29a is the first fixing seat ontology, 29b be guide sleeve,
29c is the first pilot hole, 29d is radial hole, 30 is the first support, 31 is first straight line driver, 32 is the second motion bar；
33 be first support, 34 be first axle, 35 be the first swing arm, 35a is hole, 36 is the first driving wheel, 37 is second
Axis, 38 be the second driving wheel, 39 be the first transmission item, 40 be bolt, 41 be the second fixing seat, 41a is driving wheel chamber, 41b
To be driven a chamber.
Specific embodiment
As shown in figs. 3 to 9, the method for the invention that helicla flute is opened up in pipe fitting outside wall surface, comprising the following steps:
Step 1, one end of pipe fitting 14 is connect with the device for opening up helicla flute；
Step 2, the first revolution extruding wheel 19 and the second revolution extruding wheel 21 are arranged on the device for opening up helicla flute, and first
It turns round extruding wheel 19 and is equipped with first annular slot 19a, the second revolution extruding wheel 21 is equipped with the second annular groove 21a, opens up spiral
Device driving the second revolution extruding wheel 21 of slot is displaced, and makes pipe fitting 14 by the first revolution extruding wheel 19 and the second revolution extruding wheel 21
It clamps and squeezing action power is generated to pipe fitting 14, the clamped position of pipe fitting 14 is annular with first annular slot 19a and second respectively
Slot 21a is supported, and pipe fitting 14 is under the squeezing action power that the first revolution extruding wheel 19 and the second revolution extruding wheel 21 generate, pipe fitting 14
Outer wall be recessed to inside pipe fitting 14；
Step 3, the device driving pipe fitting 14 of helicla flute is opened up along the axial movement of the pipe fitting 14 and revolves pipe fitting 14 simultaneously
Turn, under the squeezing action power of the first revolution extruding wheel 19 and the second revolution extruding wheel 21, the surface of pipe fitting 14 is squeezed out spiral shell
Spin slot.
As shown in figure 3, the device for opening up helicla flute includes: workbench, Mobile base 7, the first driving mechanism, the second driving machine
Structure, fixing seat 18, sliding seat 20, straight line driving mechanism 22, the first support base 23, jacking mechanism, below to each section and it
Between relationship be described in detail:
As shown in figure 3, workbench is by workbench body 1 and is fixed on the Auxiliary support platform group of 1 one end of workbench body
At Auxiliary support platform includes that plate 2, floor 3 and connector 4 form, and floor 3 is fixed on the second sidewall of workbench body 1
On, plate 2 is supported on floor 3 and fixed with floor 3, and one end of connector 4 and plate 2 are fixed, the other end of connector 4 with
Workbench body 1 is fixedly connected.
As shown in figure 3, being equipped with the first straight line guide rail 5 along the workbench lateral arrangement on workbench, on workbench also
It is equipped with along the longitudinally arranged second straight line guide rail 6 of the workbench, wherein first straight line guide rail 5 is fixed in workbench body 1,
And second straight line guide rail 6 is then fixed on plate 2.The quantity of first straight line guide rail 5 and second straight line guide rail 6 preferentially uses two
Item.
As shown in figure 3, the first straight line guide rail 5 on one end and workbench of Mobile base 7 is slidably matched, Mobile base 7 includes
Mobile base ontology and the first sliding block for being mounted on the Mobile base ontology one end, first sliding block and first straight line guide rail 5 slide
Cooperation, Mobile base 7 move along a straight line along first straight line guide rail 5, are oriented to by first straight line guide rail 5 to Mobile base,
Mobile base 7 is avoided to wander off in linear motion.
As shown in Figure 3 and Figure 4, the first driving mechanism is connect with Mobile base 7, which drives 7 edge of Mobile base
The first straight line guide rail 5 moves along a straight line.First driving mechanism includes: the first torque output being fixed on Mobile base 7
Component 8, the first transmission mechanism 9, the first gear component 10 fixed with Mobile base, the first rack gear 11, below to the first driving machine
The structure of structure and the relationship between Mobile base 7 are described in detail:
As shown in Figures 3 to 5, the torque output of the input terminal of the first transmission mechanism 9 and the first torsion output block 8 connects
It connects；First torsion output block 8 preferentially uses motor, and the first transmission mechanism 9 preferentially uses tape handler, in tape handler
Belt wheel circumferential surface on be toothed around, also be provided on the inner wall of the belt in tape handler with the gear teeth cooperate tooth
Slot.First gear component 10 is connect with the output end of the first transmission mechanism 9；First gear component 10 includes mandrel and gear,
Wherein one end of mandrel is fixed with gear, and the other end of mandrel and the first transmission mechanism 9 are fixed.First rack gear 11 is fixed on work
On platform, the first rack gear 11 is fixed in workbench body 1, and the first rack gear 11 is engaged with first gear component 10.First rack gear 11
It is fixed on the side wall of workbench, the first rack gear 11 is fixed on the first side wall of workbench body 1.
As shown in Figures 3 to 5, the other end of the Mobile base 7 is equipped with groove 7a, and first transmission mechanism 9 is located at recessed
In slot 7a；One end of the Mobile base 7 is equipped with mounting hole 7b, which is connected to the groove 7a；The first gear group
One end of part 10 extend into the groove 7a after mounting hole 7b and connect with the output end of the first transmission mechanism 9.It is installing
Bearing (not shown) is installed in the 7b of hole, the mandrel in the first gear component 10 pass through bearing after with its first transmission
Mechanism 9 connects.
The assembly method of first transmission mechanism 9 and Mobile base 7, with the Linear transmission mode phase using cylinder or hydraulic cylinder
Than the mobile size of mode of the invention using the lateral dimension of workbench body 1 as Mobile base 7, it is clear that other will not be occupied
The characteristics of position or beyond the space other than workbench body 1, has land occupation size small, and space is rationally applied.
As shown in figure 3, the first rack gear 11 is fixed on the first side wall of workbench body 1, for 7 transmission effect of Mobile base
Too uniformly it will not be easy to cause between Mobile base 7 and first straight line guide rail 5 for power and form biggish friction force, make the
One linear guide 5 suffers damage.Therefore, thus it is possible to vary first gear component 10, the first transmission mechanism 9 and groove 7a and installation
The position of hole 7b is specifically arranged in 1 upper end of workbench body and is open, and opening is located between two first straight line guide rails 5, is opening
Mouthful side wall on first rack gear 11 is installed, by the location following of the first transmission mechanism 9 and groove 7a and mounting hole 7b the
The change in location of one rack gear 11, since transmission effect power is located between two first straight line guide rails 5, so that mobile
The transmission effect power that seat 7 obtains is more uniform, and reduces the friction force between Mobile base 7 and first straight line guide rail 5.
Alternatively, it is also possible to install rack gear seat in workbench body 1, the first transmission mechanism 9 of installation is not needed in this way, directly
First gear component 10 and first are turned round output block 8 to fix, through-hole is opened up on Mobile base 7, the first rack gear 11 is mounted on tooth
After on item seat, the first rack gear 11 is corresponding with the through-hole on Mobile base 7, and a part of first gear component 10 is located on Mobile base
Through-hole in, first gear component 10 is engaged with one rack gear 11 of item.
As shown in figure 3, one end of the second driving mechanism and pipe fitting 14 is fixed and pipe fitting 14 is made to generate rotary motion, this second
Driving mechanism is fixed on the other end of Mobile base 7；When the first driving mechanism driving linear motion of Mobile base 7, the second driving mechanism
As Mobile base 7 moves along a straight line, pipe fitting 14 also moves along a straight line, and the second driving mechanism driving pipe fitting 14 rotates, therefore, pipe
Part 14 not only carries out moving along a straight line but also being rotated.
As shown in figure 3, the second driving mechanism includes the second motor 12, the second support base 13, the second transmission mechanism, shaft
15, casing 16, the collet 17 for clamping pipe fitting one end, the second motor 12 and the second support base 13 are fixed, the second transmission mechanism
It is mounted on the second support base 13, the second transmission mechanism preferentially uses tape handler.The power output end of second motor 12 with
The input terminal of second transmission mechanism connects, and the output end of the second transmission mechanism is connect with one end of shaft 15, and shaft 15 is supported on
On second support base 13, the other end of shaft 15 is connect with one end of casing 16, and the other end of casing 16 is connect with collet 17.
As shown in figure 3, the second transmission mechanism of torque drive work of the second motor 12 output, the second transmission mechanism is by power
Being transferred to shaft 15 rotates shaft 15, and shaft 15 rotates collet 17 by casing 16, to make the pipe clamped by collet 17
Part 14 rotates.The purpose that casing 16 is installed between collet 17 and shaft 15 is, is opened up due to the needs of each pipe fitting 14
The possible inconsistent and initial position of the length of helicla flute is also inconsistent, therefore, can be clamped by control pipe fitting 14 by collet 17
The length that extend into casing 16 of one end it is inconsistent, to control the initial position of helicla flute and the length of helicla flute, it is clear that
Such structure is very simple and convenient.
It further include locking member 17c as shown in Fig. 3, Fig. 6 and Fig. 7, the collet 17 includes sleeve 17a, multiple fixture blocks
17b, the one end of one end of the multiple fixture block 17b with sleeve 17a are fixed, it is preferable that one end of fixture block 17b and sleeve 17a
One end be integrally formed, there is spacing, these fixture blocks 17b, which is located on same circumference, forms non-close between two neighboring fixture block 17b
The circle of conjunction, one end of the pipe fitting 14 are protruded into after multiple fixture block 17b are formed in non-closed circle and are locked by locking member 17c.
Due to having spacing between two neighboring fixture block 17b, these fixture blocks 17b, which is located on same circumference, forms non-closed circle, therefore,
The pipe fitting 14 that non-closed circle is adaptable to different tube diameters is inserted into, and is conducive to the use scope for expanding collet 17 in this way.
As shown in Fig. 3, Fig. 6 and Fig. 7, locking member 17c includes lock sleeve 17d, and the outer surface of the fixture block 17a is equipped with
First inclined-plane 17e, a part on the inner wall of the lock sleeve 17d are equipped with the second inclined-plane 17f, the lock sleeve 17d inner wall
Face is equipped with screw thread, and lock sleeve 17d set is connect by screw thread with casing 16 afterwards on shroud 16.In use, the fixed 17d of rotation lock
It is displaced lock sleeve 17d facing sleeve 16, the second inclined-plane 17f forms squeezing action power to the first inclined-plane 17e, makes fixture block 17b
It shrinks inwardly, fixture block 17b clamps pipe fitting 14.
As shown in Fig. 3, Fig. 6 and Fig. 7, collet 17 choosing first adopt it is made of plastic, when lock sleeve 17d to fixture block 17b formed to
When interior squeezing action power, fixture block 17b can be shunk inwardly by way of plastic deformation, to clamp pipe fitting 14.Due to
Lock sleeve 17d is threadedly coupled with casing 16, and being threadedly coupled has self-locking, therefore, is rotated as long as not applying to lock sleeve 17d
Active force, lock sleeve 17d would not be displaced, i.e. lock sleeve 17d is that can be kept to the fixture block 17b radial forces generated
's.
The inner wall of the fixture block 17b is equipped with friction member.It, can be with for example, when fixture block 17b is that metal material is made
Friction member is equipped on the inner wall of fixture block 17b, friction member is made of rubber or plastics, passes through binder and fixture block 17b
It is fixed.Be conducive to increase the friction force between pipe fitting 14 by friction member, so that pipe fitting 14 is reliably clamped.It rubs
Component is wiped to be made of wear-resistant plastic.
Locking member 17c can also use bolt, open up screw thread on fixture block 17b other than form using the above structure
Hole, bolt are threadedly coupled with the threaded hole on fixture block 17b, after pipe fitting 14 is inserted into non-closed circle, is rotated bolt, are passed through
The counter-active effect power that the circumferential surface of bolt and pipe fitting 14 is formed keeps pipe fitting 14 fixed.Although such mode can fix pipe fitting 14,
If being easy to cause the circumferential surface for making pipe fitting 14 injured, if counter-active effect power mistake but since the counter-active effect power of bolt is excessive
It is small, and be difficult to clamp pipe fitting 14, therefore, the scale for screwing bolt is needed to be grasped when in use.
As shown in figure 3, one end of fixing seat 18 is fixed on the table, fixing seat 18 is fixed on plate 2, fixing seat 18
The other end be equipped with first revolution extruding wheel 19, first revolution extruding wheel 19 circumferential surface be equipped with first annular slot 19a, first time
Turn extruding wheel 19 to connect by first rotating shaft (first rotating shaft is being not shown in the figure) with fixing seat 18, when the first revolution extruding wheel 19
When by circumferential active force, the first revolution extruding wheel 19 rotates, to drive first rotating shaft spin axis.
As shown in figure 3, one end of sliding seat 20 is slidably matched with second straight line guide rail 6, the other end of sliding seat 20 is equipped with
The circumferential surface of second revolution extruding wheel 21, the second revolution extruding wheel 21 is equipped with the second annular groove 21a.Sliding seat 20 is in including section
The pedestal of L-type, the second sliding block and support, the second sliding block are fixed on one end of pedestal, and the second sliding block and second straight line guide rail 6 are sliding
Dynamic cooperation, one end of support and the other end of pedestal are fixed, and the second revolution extruding wheel 21 and the other end of support are fixed, the
Two-revolution extruding wheel 21 is connect by the second shaft (the second shaft is being not shown in the figure) with support, when the second revolution extruding wheel 21
When by circumferential active force, the second revolution extruding wheel 21 rotates, to drive the second shaft spin axis.
As shown in figure 3, straight line driving mechanism 22 is fixed on the table, the power output end of straight line driving mechanism 22 and work
Dynamic seat is fixedly connected, it is preferable that straight line driving mechanism 22 is fixed on plate 2, the power output end of straight line driving mechanism 22 with
Support connection.Straight line driving mechanism 22 preferentially uses cylinder, pushes when the work of straight line driving mechanism 22 sliding seat mobile, thus
Pipe fitting 14 is clamped between the second revolution extruding wheel 21 and the first revolution extruding wheel 19, due to first annular slot 19a and second
The effect in annular groove 21a diapir face makes the circumferential surface of pipe fitting 14 to being recessed on the inside of the pipe fitting 14 during clamping is continuous.Starting first
Driving mechanism and the work of the second driving mechanism, make pipe fitting 14 form straight line and rotary motion, in this process, pipe fitting 14 is by first
It turns round extruding wheel 19 and the second revolution extruding wheel 21 squeezes the helicla flute for forming connection.
As shown in figure 3, one end of pipe fitting 14 is connect after passing through the first support base 23 with the second driving mechanism, straight line driving
Structure 22 drives sliding seat 20 mobile, squeezes the surface of pipe fitting by the first revolution extruding wheel 19 and the second revolution extruding wheel 21, and
The surface of pipe fitting 14 is located in first annular slot 19a and the second annular groove 21a by the first revolution extruding wheel 19 and second time
Turn extruding wheel 21 to encase, the first driving mechanism and the work of the second driving mechanism make pipe fitting 14 form straight line and rotary motion, pipe fitting
14 in straight line and rotary motion pipe fitting surface formed helicla flute.The first annular slot 19a of above-mentioned setting and the second annular groove
21a makes the circumferential surface of pipe fitting 14 be encased by first annular slot 19a and the second annular groove 21a and be formed diameter with the extruding to pipe fitting 14
To limitation, and then in extrusion process, the generated deformation in the two sides of the helicla flute of formation forms limitation, avoids in pipe fitting
Deformation occurs for the part of the two sides of the helicla flute of upper formation.
As shown in figure 3, the first support base 23 is fixed, the first support base 23 is fixed on plate 2 on the table, first
It supports seat 23 and is equipped with through-hole, the axial direction of the through-hole and the axial direction of the second driving mechanism output end are located along the same line.Work as needs
When opening up helicla flute on the circumferential surface of pipe fitting 14, one end of pipe fitting 14 pass through after the through-hole on the first support base 23 with collet 17 into
Row connection, and the other end of pipe fitting 14 is then supported by the first support base 23, to guarantee that opening up helicla flute goes on smoothly.
As shown in figure 3, in the present embodiment, straight line driving mechanism 22 is using cylinder, due to the gas tool in cylinder
There is compressibility, and during pipe fitting 14 opens up helicla flute, as the rotary motion of pipe fitting 14 and straight line position move, pipe fitting
14 certainly will form radial forces outward to the first revolution extruding wheel 19 and the second revolution extruding wheel 21, the diameter outward
Meaning to open sliding seat to active force keeps sliding seat mobile to 22 direction of straight line driving mechanism, makes the piston rod of cylinder
Retraction, therefore, the rotary motion of pipe fitting 14 and the movement of straight line position can make cylinder piston rod cause to fluctuate, thus caused consequence
It is that the second revolution extruding wheel 21 and the first revolution extruding wheel 19 can not keep the clamping force of pipe fitting, causes to open up
The deep mixed cause of helicla flute.Therefore, in the present invention, limitation pipe fitting is additionally arranged in grooving process to the second revolution extruding wheel
The jacking mechanism that radial forces outward are displaced sliding seat is formed, the jacking mechanism is fixed on the table, holds out against machine
One end of structure is connect with sliding seat.By the effect of jacking mechanism, the rotary motion of pipe fitting 14 and straight line position is avoided to move to gas
Cylinder piston rod causes to fluctuate, to make the second revolution extruding wheel 21 and the first revolution extruding wheel 19 to the clamping force of pipe fitting 14
It can not be kept.
As shown in figures 3 and 8, the jacking mechanism include the first hinged seat 24 being fixedly connected with sliding seat, connecting rod 25,
Second hinged seat 26, the second hinge member 27, are below described in detail the structure of jacking mechanism:
As shown in figures 3 and 8, first hinged seat 24 be equipped with the first hinge member 24a, the first hinge member 24a by
First nut and the first bolt composition, the first hinged seat 24 are equipped with the first mounting hole, and one end of the first bolt passes through mounting hole
It is connect afterwards with the first nut.One end of connecting rod 25 and the first hinge member 24a are hinged, and one end of connecting rod 25 is equipped with first through hole,
First bolt passes through the first mounting hole on connecting rod 25, forms connecting rod 25 and the first hinge member 24a hingedly.
As shown in figures 3 and 8, the second hinged seat 26 is fixed on the table, and plate 2 is equipped with backing plate 2a, and second is hinged
Seat 26 is fixed on backing plate 2a, and second hinged seat 26 is equipped with notch, the straight line driving with the fixed one end of workbench
A part of structure 22 passes through the notch.Second hinged seat 26 is equipped with skewed slot 26a, and 27 clearance fit of the second hinge member is described
In skewed slot 26a, the angle that the parallel lines of any one place skewed slot 26a and second straight line guide rail 6 are crossed to form is 45-50 degree, described
The other end of connecting rod 25 and the second hinge member 27 are hinged.
As shown in figures 3 and 8, straight line driving mechanism 22 drives sliding seat 20 mobile to fixing seat 18, the first hinged seat 24
And one end of connecting rod 25 follows sliding seat mobile, connecting rod 25 hauls the second hinge member 27 and moves up along skewed slot 26a, works as work
When moving seat movement in place, connecting rod 25 is converted into straightened condition by heeling condition, and the trough wall surface of the second hinge member 27 and skewed slot supports
Top.When the trough wall surface that connecting rod 25 is in straightened condition and the second hinge member 27 and skewed slot is supported, even if the rotation of pipe fitting 14
Transhipment is dynamic and the movement of straight line position causes to fluctuate to cylinder piston rod, but due to the trough wall surface of the second hinge member 27 and skewed slot 26a
It supports, therefore, the trough wall surface that the distending active force of pipe fitting 14 can not also release the second hinge member 27 and skewed slot 26a is supported, because
This, the piston rod of cylinder will not bounce back, to make the second revolution extruding wheel 21 and the first revolution extruding wheel 19 to the folder of pipe fitting 14
Active force is held to be kept.
As shown in figures 3 and 8, after opening up helicla flute on pipe fitting 14, start the piston rod retraction of cylinder, so that
Sliding seat 20 is mobile, and active force is acted on connecting rod 25 by the first hinge member 24a by sliding seat 20, due to the active force compared with
Greatly, therefore, it forces the second hinge member 27 to move down along skewed slot 26a, continues to bounce back with piston rod, connecting rod 25 is by flat
State is transformed to heeling condition.
Jacking mechanism is automatically locked to sliding seat 20 under the driving of straight line driving mechanism 22, and in linear drives
Mechanism 22 automatically terminates locking to sliding seat 20 when resetting, locking process to sliding seat 20 and the process to unlock are equal
Without artificially participating in, have the characteristics that easy to use.
As shown in figures 3 and 8, the jacking mechanism and the fixed end of workbench are equipped with notch, the straight line driving mechanism
22 a part passes through the notch.Keep the utilization of assembly space more reasonable by this structure.
Jacking mechanism of the invention is not limited to above embodiment, for example, it is also possible to use with flowering structure:
As shown in figure 9, include the first motion bar 28, the first fixing seat 29, the first support 30, first straight line driver 31,
One end of second motion bar 32, the first motion bar 28 is connect with sliding seat 20, one end and the sliding seat 20 of the first motion bar 28
Either hingedly be also possible to be fixedly connected, the first fixing seat 29 is by the first fixing seat ontology 29a and is set to for connection
Guide sleeve 29b composition on one fixing seat, 29 ontology, the first fixing seat ontology 29a is fixed on plate 2, along the cross of guide sleeve 29b
To the first pilot hole 29c is opened up, first pilot hole 29c is extended on the first fixing seat ontology 29a, the first motion bar 28
Other end clearance fit in the first pilot hole 29c, the circumferential surface of the first motion bar 28 is equipped with slot 28a.
First support 30 is fixed in the first fixing seat 29, it is preferable that the first support 30 is fixed on the first fixing seat ontology
On 29a, the first straight line driver 31 is fixed on the first support 30, and first straight line driver preferentially uses cylinder.It is described
Radial hole 29d is offered on the circumferential surface of guide sleeve 29b, radial hole 29d is connected to the first pilot hole 29c.Described second is living
One end of lever 32 is connect with the power output end of first straight line driver 31, and the other end of the second motion bar 29 extend into described
In radial hole 29d with radial hole 29d clearance fit.
As shown in Figure 9 and Figure 10, when straight line driving mechanism 22 drives sliding seat 20 mobile to 18 direction of fixing seat,
Sliding seat 22 drives the first motion bar 28 mobile to the outside of the first fixing seat 29, and when sliding seat 22 stops mobile, first is living
Lever 28 also stops movement, and at this moment, radial hole 29d is corresponding with the position of the slot 28a, starts first straight line driver 31, drives
Dynamic second motion bar 32 is mobile, and after being inserted into the end of the second motion bar 32 in the slot 28a, the second motion bar 32 makes first
Motion bar 28 is unable to axial displacement.Therefore, even if pipe fitting 14 turns round the first revolution extruding wheel 19 and second in grooving process
Extruding wheel 21 forms radial forces outward, since the first motion bar 28 and the second motion bar 32 are to the position of sliding seat 20
Limitation is formd, therefore, sliding seat 20 can not move, and ensure that the quality slotted on pipe fitting 14.
As shown in figure 11, the slot 28a is made of rectangular in cross-section slot section and cone tank section, the end of the second motion bar 32
It is made of rectangular in cross-section section and conical section, after the end of the second motion bar 32 is inserted into slot 28a, the square of the second motion bar 32
Shape section and rectangular channel section cooperate, this fit system compared to individual rectangular section and rectangular channel section cooperation, it is of the invention in increase
Then cooperate with cone tank section equipped with conical section, eliminate gap between conical section and the cooperation of cone tank section, so that first is living
Cooperation between lever 28 and the second motion bar 32 is more accurate.
As shown in figure 12, the jacking mechanism in the present invention can also be used with flowering structure:
Jacking mechanism includes: the second fixing seat 41, first support 33, first axle 34, the first swing arm 35, the first driving wheel
36, the second axis 37, the second driving wheel 38, first are driven item 39, and this jacking mechanism is described in detail below:
As shown in figure 12, first support 33 is fixed in the second fixing seat 41, and one end of first axle 34 is rotatably mounted
In first support 33, first bearing (first bearing is being not shown in the figure) is installed in first support 33, first axle 34
One end is connect with the first bearing in first support 33, so that first axle 34 can rotate.One end and first of first swing arm 35
Axis 34 is fixed, and the first swing arm 35 is equipped with hole 35a, and when first axle 34 rotates, the first swing arm 35 follows first axle 34 to rotate, the
One swing arm 35 is circumferentially fixed by key and first axle 34, and screw thread is equipped in first axle 34, and two, screw thread are located in first axle 34
The nut (nut is being not shown in the figure) of first swing arm, 35 two sides, two nuts clamp the first swing arm 34, limit the first swing arm
35 along first axle 34 axial movement.
As shown in figure 12, the first driving wheel 36 is fixed in first axle 34, and the first driving wheel 36 is equipped with keyway, first axle
34 are equipped with protrusion, and after the first 36 sets of driving wheel is in first axle 34, the protrusion cooperates with keyway, so that first axle 34 and the
One driving wheel 36 forms fixation in the circumferential.The first retaining ring (the positioned at 36 two sides of the first driving wheel is equipped in first axle 34
One retaining ring is being not shown in the figure), axial movement of the first driving wheel of limitation along first axle 34.
As shown in figure 12, the second axis 37 is installed in rotation in the second fixing seat 41, is installed in the second fixing seat 41
There is second bearing (first bearing is being not shown in the figure), one end of the second axis 37 is connect with second bearing.Second driving wheel 38 is solid
It is scheduled on the second axis 37, the second driving wheel 38 and the first driving wheel 36 cooperate.
As shown in figure 12, one end of the first transmission item 39 is connect with the sliding seat 20, and the first transmission item 39 and second passes
Driving wheel 38 cooperates.Preferably, first driving wheel 36 and the second driving wheel 38 are gear, and the first transmission item 39 is and gear
The rack gear of cooperation, when sliding seat 20 moves linearly, the first transmission item 39 moves along a straight line with seat 20 living, and the first transmission item 39 passes through
The engaging force of rack-and-pinion rotates the second driving wheel 38, and the second driving wheel 38 passes through the engaging force of gear and gear
Rotate the first driving wheel 36.
Sliding seat 20 is equipped with the bolt 40 with the hole cooperation in first swing arm 35, as shown in figure 13, linear drives
Mechanism 22 drives sliding seat 20 that the first transmission item 39 is driven to be displaced (see and be moved to the left from Figure 13), articles 39 driving of the first transmission the
Two driving wheels 39 rotate (see and be rotated in the counterclockwise direction from Figure 13), and the second driving wheel 38 drives the rotation of the first driving wheel 36
(see and be rotated in a clockwise direction from Figure 13), the first swing arm 35 rotation cooperate hole 35a and bolt 40 in the first swing arm 35
Sliding seat 20 is locked, to keep sliding seat 20 immovable.If straight line driving mechanism 22 resets, the first transmission articles 39, the
The direction of motion of two driving wheels 38 and the first driving wheel 36 is (as indicated by the arrows in fig) contrary to the above.
The shape for the end that the bolt 40 is inserted into the hole 35a can be it is a variety of, but preferentially use open shape for
Spherical, and the structure that hole 35a is preferentially used is is made of taper hole section and round hole section, bolt 40 and hole 35a are using this
Shape will not interfere between the two as hole 35a and the cooperation of bolt 40.
Second fixing seat 41 be equipped with driving wheel chamber 41a and transmission chamber 41b, driving wheel chamber 41a with
Transmission chamber 41b connection, second driving wheel 38 are located in driving wheel chamber 41a, the first transmission another splaying of item 39
Cooperation is in transmission chamber 41b.By this set, the second driving wheel 38 can be hidden in the inside of the second fixing seat 41,
And a part of the first transmission the 39th is also hidden in the inside of the second fixing seat 41, not only make structure more compact, and
And it also avoids occupying more assembly spaces.
In addition, first driving wheel 36 and the second driving wheel 38 are friction pulley, the first transmission item 39 is friction
Item.The transmitting of power is carried out between first driving wheel 36, the second driving wheel 38 and the first transmission 39 three of item by frictional force.
Claims (7)
1. the method for opening up helicla flute in pipe fitting outside wall surface, the device including opening up helicla flute open up the device packet of helicla flute
It includes:
Workbench is equipped with the first straight line guide rail along the workbench lateral arrangement on workbench, is also equipped with edge on workbench
The longitudinally arranged second straight line guide rail of the workbench；
Mobile base, the first straight line guide rail on one end and workbench of the Mobile base are slidably matched；
The first driving mechanism connecting with Mobile base, the first driving mechanism driving Mobile base are transported along the first straight line guide rail straight line
It is dynamic；
The second driving mechanism fixed with one end of pipe fitting and pipe fitting is made to generate rotary motion, second driving mechanism are fixed on shifting
The other end of dynamic seat；
Fixing seat, one end of the fixing seat is fixed on the table, and the first revolution extruding wheel is located at the other end of fixing seat；
Sliding seat, one end and the second straight line guide rail of sliding seat are slidably matched, and the second revolution extruding wheel is located at the another of sliding seat
End；
Fixed straight line driving mechanism on the table, the power output end of straight line driving mechanism are fixedly connected with sliding seat；
Characterized by comprising the following steps:
Step 1, one end of pipe fitting is connect with the device for opening up helicla flute；
Step 2, the first revolution extruding wheel and the second revolution extruding wheel are arranged on the device for opening up helicla flute, and the first revolution squeezes
Wheel is equipped with first annular slot, and the second revolution extruding wheel is equipped with the second annular groove, and the device for opening up helicla flute drives second time
Turn extruding wheel displacement, pipe fitting made to be clamped by the first revolution extruding wheel and the second revolution extruding wheel and be generated squeezing action power to pipe fitting,
The clamped position of pipe fitting is supported with first annular slot and the second annular groove respectively, and pipe fitting turns round extruding wheel and second first
It turns round under the squeezing action power that extruding wheel generates, the outer wall of pipe fitting is recessed to the inside of pipe fitting；
Step 3, the device driving pipe fitting of helicla flute is opened up along the axial movement of the pipe fitting and rotates pipe fitting simultaneously, at first time
Turn under extruding wheel and the second revolution extruding wheel squeezing action power, the surface of pipe fitting is squeezed out helicla flute；
The device for opening up helicla flute further includes the diameter for limiting pipe fitting in grooving process to the second revolution extruding wheel formation outward
The jacking mechanism for being displaced sliding seat to active force, the jacking mechanism is fixed on the table, one end of jacking mechanism and activity
Seat connection；
Jacking mechanism includes: the first hinged seat being fixedly connected with sliding seat, connecting rod, the second hinged seat, the second hinge member, and
One hinged seat is equipped with the first hinge member, and the second hinged seat is equipped with skewed slot, and the second hinge member clearance fit is described oblique
In slot, the other end of the connecting rod and the second hinge member are hinged；
Or jacking mechanism includes: the first motion bar, the first fixing seat, the first support, first straight line driver, the second activity
One end of bar, the first motion bar is connect with sliding seat, and one end of the first motion bar and the connection of sliding seat are either hinged
It may be a fixed connection, the first fixing seat is by the first fixing seat ontology and the guide sleeve group being set on the first fixing seat ontology
At opening up the first pilot hole along the transverse direction of guide sleeve, which extends on the first fixing seat ontology, and first is living
For the other end clearance fit of lever in first pilot hole, the circumferential surface of the first motion bar is equipped with slot；First support is fixed
In the first fixing seat, the first straight line driver is fixed on the first support；Radial direction is offered on the circumferential surface of the guide sleeve
Hole, the radial hole are connected to first pilot hole；One end of second motion bar and the power of first straight line driver are defeated
Outlet connection, the other end of the second motion bar are extend into the radial hole and radial hole clearance fit；
Or jacking mechanism includes: the second fixing seat, first support, first axle, the first swing arm, the first driving wheel, the second axis,
Two driving wheels, the first transmission item, first support are fixed in the second fixing seat, and one end of first axle is installed in rotation on first
On bracket, one end and the first axle of the first swing arm are fixed, the first swing arm be equipped with hole, when first axle rotation when, the first swing arm with
It is rotated with first axle, the second axis is installed in rotation in the second fixing seat, and the second driving wheel is fixed on the second axis, and second passes
Driving wheel and the first driving wheel cooperate；One end of first transmission item is connect with the sliding seat, the first transmission item and the second driving wheel
Cooperation；Sliding seat is equipped with the bolt with the hole cooperation in first swing arm.
2. the method according to claim 1 for opening up helicla flute in pipe fitting outside wall surface, which is characterized in that described first drives
Motivation structure includes:
The first torque output member being fixed on Mobile base；
First transmission mechanism, the input terminal of first transmission mechanism are connect with the torque output of the first torque output member；
Fixed first gear component, the first gear component are connect with the output end of the first transmission mechanism with Mobile base；
First rack gear, first rack gear is fixed on the table, and the first rack gear is engaged with first gear component.
3. the method according to claim 2 for opening up helicla flute in pipe fitting outside wall surface, which is characterized in that the Mobile base
The other end be equipped with groove, first transmission mechanism is located in groove；
One end of the Mobile base is equipped with mounting hole, which is connected to the groove；
One end of the first gear component extend into the output end in the groove with the first transmission mechanism after passing through mounting hole
Connection.
4. the method according to claim 1 for opening up helicla flute in pipe fitting outside wall surface, which is characterized in that the second driving machine
Structure includes the second motor, the second support base, the second transmission mechanism, shaft, casing, the collet for clamping pipe fitting one end, and second
Motor is fixed with the second support base, and the second transmission mechanism is mounted on the second support base, the power output end of the second motor and
The input terminal of two transmission mechanisms connects, and the output end of the second transmission mechanism and one end of shaft connect, the other end and set of shaft
One end of pipe connects, and the other end of casing is connect with collet.
5. the method according to claim 4 for opening up helicla flute in pipe fitting outside wall surface, which is characterized in that further include locking
Component, the collet include sleeve, multiple fixture blocks, and one end of the multiple fixture block is fixed with one end of sleeve, two neighboring
There is spacing, these fixture blocks, which are located on same circumference, forms non-closed circle, and one end of the pipe fitting extend into more between fixture block
A fixture block is locked after being formed in non-closed circle by locking member.
6. the method according to claim 5 for opening up helicla flute in pipe fitting outside wall surface, which is characterized in that the tight lock part
Part includes lock sleeve, and the outer surface of the fixture block is equipped with the first inclined-plane, and a part on the inner wall of the lock sleeve is equipped with
Second inclined-plane, the lock sleeve inner wall are equipped with screw thread, and lock sleeve passes through screw thread and casing connection, rotation after covering on casing
Lock sleeve is displaced the lock sleeve, and the second inclined-plane forms squeezing action power to the first inclined-plane, makes fixture block to contract, and fixture block will manage
Part clamps.
7. the method according to claim 5 for opening up helicla flute in pipe fitting outside wall surface, which is characterized in that the fixture block
Inner wall is equipped with friction member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810855632.4A CN108906947B (en) | 2018-07-31 | 2018-07-31 | The method of helicla flute is opened up in pipe fitting outside wall surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810855632.4A CN108906947B (en) | 2018-07-31 | 2018-07-31 | The method of helicla flute is opened up in pipe fitting outside wall surface |
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| CN108906947B true CN108906947B (en) | 2019-08-20 |
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| CN108906947A (en) | 2018-11-30 |
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