CN107322910A - A kind of bell and spigot joint mould and its application - Google Patents
A kind of bell and spigot joint mould and its application Download PDFInfo
- Publication number
- CN107322910A CN107322910A CN201710613429.1A CN201710613429A CN107322910A CN 107322910 A CN107322910 A CN 107322910A CN 201710613429 A CN201710613429 A CN 201710613429A CN 107322910 A CN107322910 A CN 107322910A
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- China
- Prior art keywords
- bell
- withdrawing pattern
- spigot joint
- support
- link
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses a kind of bell and spigot joint mould, including central shaft, reducing die is installed on central shaft and withdrawing pattern is moved back；Reducing die includes tube support panel, the first drive disk and the second drive disk are fixed with central shaft, being rotated on central shaft has the first support plate and the second support plate, guide rod is fixed between first support plate and the second support plate, is provided between the first drive disk and the second drive disk and every piece of tube support panel and rotary extension is acted into switching mechanism；Withdrawing pattern is moved back including movable set in moving back withdrawing pattern on center-pole, the periphery for moving back withdrawing pattern seat is fixed with joint shaping panel, moves back withdrawing pattern seat and drives rectilinear movement by axial actuating mechanism, moves back and slip spinning movement switching mechanism is provided between withdrawing pattern seat and central shaft.A kind of bell and spigot joint mould, the mould is when being molded bell and spigot joint, and using effect is good, and the precision of the bell and spigot joint after shaping is high, and product fluctuation is small, and is stripped simple.
Description
Technical field
The present invention relates to a kind of bell and spigot joint mould, the application of the bell and spigot joint mould is also related to.
Background technology
Existing helically-wound shaped plastic tube according to it is Wrapping formed when the material that uses it is different, hollow wall winding can be divided into
The specific product forms such as pipe, carat pipe, reinforced steel-band winding pipe, internal-rib enhancing winding pipe, plastic-steel spirally-wound pipe.Because its have compared with
High high ring rigidity, is widely used in the occasions such as draining, low pressure water supply.The connected mode of pipeline mainly has the connection of electric smelting band, heat
The various ways such as the connection of contracting set, electro-fusion socket connection, the connection of socket joint sealing ring, clamp connection.Among these, the connection of electric smelting band and heat
Mould set connection because cost is relatively low and to being widely applied, but to construction environment and Technical comparing height, and construction quality Yin Geshi
The situation of crew is different and cannot ensure, is relatively adapted to the connection of small-bore pipeline.Clamp connection mode cost it is higher and
Connected mode Reliability comparotive is poor.Socket joint connection includes electro-fusion socket and sealing ring socket joint, and the former of bell and spigot joint is main
There are two kinds of injection molding and winding-type, injection molding former is exactly, by injection machine and mould, joint to be molded at tubing two
Shaping, equipment increases with the increase of caliber, and therefore, injection molding joint is only applied to small-bore pipeline, and valency at present
Lattice are higher.Filament winding process is similar to the mode of tube forming, and plastic strip is wrapped in into tubing two, is to hold by mould molding
Connection-peg.
At present, conventional mould is divided into two classes, and a class is the nonadjustable fixing mould of external diameter；One class is the mould of outer radius variable
Tool, the nonadjustable fixing mould of external diameter is stripped relatively difficult after shaping, and the demoulding drags Cheng Zhonghui to the interior wall friction of tubing, shadow
The quality of speaking pipe material.And the mould of outer radius variable is typically now all and the mould of this undergauge mode by the way of undergauge
Due to being all overall shrinkage, the mould part of shaping bell and spigot joint and the mould part for supporting body portion thus be accordingly used in
All radial contractions, and there is error in the body of the tubing of specification of the same race, cause the external diameter of mould to change greatly so that finally it is molded
Bell and spigot joint there is also larger error.
The content of the invention
The technical problems to be solved by the invention are：A kind of bell and spigot joint mould is provided, the mould is in shaping
During bell and spigot joint, using effect is good, and the precision of the bell and spigot joint after shaping is high, and product fluctuation is small, and is stripped simple.
Another technical problem to be solved by this invention is：A kind of application of bell and spigot joint mould is provided, this into
Pattern tool can be applied in the shaping of the plastic tube with bell and spigot frame, can be with plastic tube of the disposal molding with bell and spigot joint.
To solve above-mentioned first technical problem, the technical scheme is that：A kind of bell and spigot joint mould, including
Reducing die is separately installed with central shaft, the central shaft and withdrawing pattern is moved back；The reducing die includes some pieces, and cooperate can be
The first drive disk and the second drive disk, the center are fixed with the tube support panel that radial direction is shunk, the central shaft
Being rotated on axle has the first support plate and the second support plate being oppositely arranged, fixed between first support plate and the second support plate
There are at least two axially extending guide rods, set between first drive disk and the second drive disk and every piece of tube support panel
It is equipped with the rotary extension that spinning movement is converted into radial expansion action and acts switching mechanism；The withdrawing pattern that moves back includes movable set
In moving back withdrawing pattern seat on center-pole, the periphery for moving back withdrawing pattern seat be fixed with the joint of enlarging shape for being molded bell and spigot joint into
Type panel, the withdrawing pattern cover for seat of moving back slides axially suit on the guide bar, and the withdrawing pattern seat that moves back is driven directly by axial actuating mechanism
Line is moved, and described move back is provided with the spinning movement that the rectilinear movement for moving back withdrawing pattern is converted into central shaft between withdrawing pattern seat and central shaft
Slip spinning movement switching mechanism.
As a kind of preferred scheme, the rotary extension action switching mechanism includes some groups of link assemblies, Mei Gelian
Bar assembly includes the first support link, the first drive link, the second support link and the second drive link, first support
One end of connecting rod and the second support link is respectively hinged in the first support plate and the second support plate, first drive link and
The other end of the one end of second drive link respectively with the first support link and the second support link is hinged, and first driving connects
Bar and the other end of the second drive link respectively by first driving hinge and second driving hinge be hinged on the first drive disk and
On second drive disk, the first arc drive hole is respectively arranged with first support plate and the second support plate and the second arc drives
Dynamic hole, the first driving hinge and the second driving hinge are constrained in the first arc drive hole and the second arc drive hole respectively
Interior, every piece of tube support panel is fixed between the end face outside of the first support link and the second support link.
As a kind of preferred scheme, the rotary extension action switching mechanism includes some the first tops to radial expansion
Push rod and the second propulsion arm, first propulsion arm and the second propulsion arm are radially slided respectively is installed on the first drive disk and second
On drive disk, every piece of tube support panel is fixed on the outer end of the propulsion arm of each pair first and the second propulsion arm, described first
Inclined first driver slot and the second driver slot with radially point direction are respectively arranged with support plate and the second support plate, it is described
The inner end of first propulsion arm and the second propulsion arm is provided with the driving wheel being constrained in the first driver slot and the second driver slot.
As a kind of preferred scheme, the slip spinning movement switching mechanism includes being arranged at leading for central axle external surface
To groove, the guide groove include it is axially extending be parallel to each other enter die cavity section and move back die cavity section, the traveling for moving back die cavity section
Downstream and enter die cavity section traveling upstream end between by retraction slot section connect, it is described move back die cavity section traveling upstream end and enter
By stretching out groove section connection between the traveling downstream of die cavity section, described move back is provided with withdrawing pattern seat and is constrained in leading in guide groove
To pin.
As a kind of preferred scheme, it is described enter die cavity section, move back die cavity section, retraction slot section with stretch out groove section constitute it is parallel
Quadrilateral structure
As a kind of preferred scheme, the axial actuating mechanism include be rotatablely installed in move back withdrawing pattern seat on swivel nut, institute
State and thread segment is provided with central shaft, the swivel nut thread set is on the thread segment of central shaft.
As a kind of preferred scheme, surface, the surface of joint shaping panel of the tube support panel are coated with
Adiabatic gum.
Employ after above-mentioned technical proposal, effect of the invention is：The mould includes reducing die and moves back withdrawing pattern, wherein
Withdrawing pattern is moved back to be used for being molded bell and spigot joint, and reducing die is used for supporting body, and the joint shaping panel for moving back withdrawing pattern is integrally fixed at and moved back
On withdrawing pattern seat, the external diameter of joint shaping panel is constant, therefore the bell and spigot joint quality of shaping is good, and product fluctuation is small, and simultaneously, moves back
The realization demoulding of the withdrawing pattern by the way of axial movement, and changed by sliding spinning movement switching mechanism and rotary extension action
Mechanism carry out action conversion, the expanding-contracting action of such reducing die just links with moving back the axial action of withdrawing pattern, thus conveniently stripped.
Again because rotary extension action switching mechanism employs two kinds of above-mentioned structures, its conversion acted is reliable, and
Having stable behavior.
Again because the slip spinning movement switching mechanism includes being arranged at the guide groove of central axle external surface, the guiding
Groove include it is axially extending be parallel to each other enter die cavity section and move back die cavity section, the traveling downstream for moving back die cavity section and enter die cavity
Section traveling upstream end between by retraction slot section connect, it is described move back die cavity section traveling upstream end and enter die cavity section traveling under
By stretching out groove section connection between trip end, described move back is provided with the guide finger being constrained in guide groove on withdrawing pattern seat, so, when moving back
Mould is moved back in withdrawing pattern seat axial movement will drive central shaft to that will enter retraction slot section, such retraction slot section behind traveling downstream
Rotation, and then drive reducing die to shrink, similarly can also drive central shaft to reversely rotate stretches out reducing die, the slip spinning movement
Switching mechanism is simple in construction, reliable in action.
Again due to it is described enter die cavity section, move back die cavity section, retraction slot section and stretch out groove section constitute parallelogram sturcutre, should
Parallelogram sturcutre just driving reducing die action in advance when can not moved axially in place moving back withdrawing pattern, save action when
Between.
In addition the invention also discloses a kind of application of bell and spigot joint mould, the application uses above-mentioned mould
The whole plastic tube with bell and spigot joint is molded, the length of reducing die is equal to the tube length of plastic tube, and the length for moving back withdrawing pattern is equal to
The length of the bell and spigot joint of plastic tube, so, when moving back withdrawing pattern length long enough of the mould, it is possible to be applied to plastic tube
Integral forming technique in, so as to disposably complete the shaping of the plastic tube with bell and spigot joint.
It is further preferred that in the application of the mould, reducing die includes many set support plates, drive disk and rotary extension
Action switching mechanism, the corresponding tube support for being made up of plastic tube polylith tube support panel combination in the longitudinal direction,
The tube support of plastic tube is made up of on length direction polylith tube support panel combination, the shaping of body can be made more reasonable,
Support effect more preferably, is adapted to the longer tube support of length.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the stereogram one of the embodiment of the present invention 1；
Fig. 2 is the stereogram two of the embodiment of the present invention 1；
Fig. 3 is the front schematic view of the embodiment of the present invention 1；
Fig. 4 is end view when reducing die stretches out state in the embodiment of the present invention 1；
End view when Fig. 5 is reducing die contraction state in the embodiment of the present invention 1；
Fig. 6 is that the embodiment of the present invention 1 conceals tube support panel and joint is molded the exploded perspective view of panel；
Fig. 7 is that the embodiment of the present invention 1 conceals tube support panel and joint is molded the front schematic view of panel；
End view when Fig. 8 is 2 reducing die contraction state of the embodiment of the present invention；
In accompanying drawing：1. move back withdrawing pattern；11. move back withdrawing pattern seat；12. joint is molded panel；2. reducing die；21. tube support panel；
22. the first support plate；23. the first drive disk；24. the second drive disk；25. the second support plate；26. guide rod；3. central shaft；4.
Slide spinning movement switching mechanism；41. guide groove；411. move back die cavity section；412. enter die cavity section；413. retraction slots section；414. stretch
Go out groove section；42. guide finger；5. rotary extension acts switching mechanism；51. the first drive link；52. the first support link；53. the
Two drive links；54. the second support link；55. the first arc drive hole；56. the first driving hinge；57. the first propulsion arm；
58. driving wheel；59. the first driver slot；6. axial actuating mechanism；61. swivel nut；62. thread segment.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
Embodiment 1
As shown in Figures 1 to 7, it is respectively mounted on a kind of bell and spigot joint mould, including central shaft 3, the central shaft 3
There is reducing die 2 and move back withdrawing pattern 1.
The reducing die 2 is included in some pieces of tube support panels 21 that can be shunk in radial direction that cooperate, figure, pipe
The mounting means and type of drive all same of body support panel 21, therefore, illustrate only one of tube support panel 21
Mounting structure, tube support panel 21 cooperates and constitutes columned supporting surface；The first drive is fixed with the central shaft 3
Being rotated on the drive disk 24 of Moving plate 23 and second, the central shaft 3 has the first support plate 22 and the second support plate 25 being oppositely arranged,
At least two axially extending guide rods 26 are fixed between the support plate 25 of first support plate 22 and second, described first drives
It is provided between the drive disk 24 of Moving plate 23 and second and every piece of tube support panel 21 and spinning movement is converted into radial expansion moves
The rotary extension action switching mechanism 5 of work.
In the present embodiment, as shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5 and Fig. 6, if rotary extension action switching mechanism 5 includes
Dry group link assembly, each link assembly includes the first support link 52, the first drive link 51, the and of the second support link 54
Second drive link 53, one end of the support link 54 of the first support link 52 and second is respectively hinged at the first support plate 22
In the second support plate 25, wherein it is preferred that the first support link 52 in the first support plate 22, the second support link 54 and second
Being hinged using guide rod 26 as hinge between support plate 25, so makes structure compacter, the He of the first drive link 51
The other end of the one end of second drive link 53 respectively with the first support link 52 and the second support link 54 is hinged, the first driving
The angle of cut is acute angle between the support link 52 of connecting rod 51 and first, and the angle of cut is between the second drive link 53 and the second support link 54
Identical acute angle, the other end of the drive link 53 of the first drive link 51 and second passes through the first driving He of hinge 56 respectively
Second driving hinge is hinged on the first drive disk 23 and the second drive disk 24, the support plate 25 of the first support plate 22 and second
On be respectively arranged with the first arc drive hole 55 and the second arc drive hole, the first driving hinge 56 and second driving hinge
It is constrained in respectively in the first arc drive hole 55 and the second arc drive hole, every piece of tube support panel 21 is fixed on the first support
Between the end face outside of the support link 54 of connecting rod 52 and second.So, as shown in figure 4, the reducing die 2 is in stretching state, and
When counterclockwise rotates of the central shaft 3 according to Fig. 4, the first drive disk 23 and the second drive disk 24 rotate, so that first
The driving driving hinge of hinge 56 and second is moved in the first arc drive hole 55 and the second arc drive hole, such first support
Angle between the drive link 51 of connecting rod 52 and first changes, so as to occur the radial position of the first support link 52
Change, and then shrink tube support panel 21, to after the position shown in Fig. 5, tube support panel 21 shrinks in place.
As shown in Figures 1 to 7, described to move back withdrawing pattern 1 including movable set in moving back withdrawing pattern seat 11 on center-pole, described move back is pulled out
The periphery of die holder 11 is fixed with the joint shaping panel 12 of the enlarging shape for being molded bell and spigot joint, joint shaping panel 12
For split type structure and with move back withdrawing pattern seat 11 between be detachably fixed by bolt, so can be by changing different joints
Panel 12 is molded, the shaping of different size bell and spigot joint of different shapes is realized.Certainly, joint shaping panel 12 can also be one
The loop configuration of body, the mounting means that withdrawing pattern seat 11 is moved back by being sleeved on is installed.
11 sets of the withdrawing pattern seat that moves back slides axially and is sleeved on guide rod 26, can be realized by the guide rod 26 and move back withdrawing pattern
The constraint of 11 glide direction, the withdrawing pattern seat 11 that moves back drives rectilinear movement by axial actuating mechanism 6, described to move back withdrawing pattern 11 Hes of seat
The slip spinning movement conversion for the spinning movement that the rectilinear movement for moving back withdrawing pattern 1 is converted into central shaft 3 is provided between central shaft 3
Mechanism 4.
It is described to slide guide groove 41 of the spinning movement switching mechanism 4 including being arranged at the outer surface of central shaft 3, guide groove 41
Quantity is multiple, and the action conversion for so making to move back between withdrawing pattern seat 11 and central shaft 3 is smooth, and the guide groove 41 includes axially prolonging
Stretch be parallel to each other enter die cavity section 412 and move back die cavity section 411, it is described move back die cavity section 411 traveling downstream and enter die cavity section
Between 412 traveling upstream end by retraction slot section 413 connect, it is described move back die cavity section 411 traveling upstream end and enter die cavity section
Connected between 412 traveling downstream by stretching out groove section 414, described move back is provided with and be constrained in guide groove 41 on withdrawing pattern seat 11
Guide finger 42.In the present embodiment, it is described enter die cavity section 412, move back die cavity section 411, retraction slot section 413 and stretch out groove section 414 structures
Into parallelogram sturcutre, so, move back withdrawing pattern seat 11 move back mould or progressive die not completely in place when just drive central shaft 3 to revolve
Turn, so as to drive reducing die 2 to act, so save actuation time.Certainly, above-mentioned guide groove 41 rectangular can also be tied
Structure, so move back mould or progressive die completely in place after drive central shaft 3 to rotate again, can also realize the conversion of action.
The axial actuating mechanism 6 includes being rotatablely installed in moving back the swivel nut 61 on withdrawing pattern seat 11, sets on the central shaft 3
There is thread segment 62, the thread set of swivel nut 61 is on the thread segment 62 of central shaft 3, and the swivel nut 61 can be manual rotation,
But directly drive and rotate with rotary power unit.
The surface of the tube support panel 21, the surface of joint shaping panel 12 are coated with adiabatic gum, so can be with
It is effective to prevent heat to scatter and disappear.
The present invention operation principle be：The pipe end being molded is sleeved on to the tube support face of reducing die 2 first
Outside plate 21, the outside shaping bell and spigot joint of panel 12 then is molded in joint by way of winding, band winding is wound and adds
Bonding ultimately forms rotary threaded sleeve 61 after the completion of bell and spigot joint, shaping after heat, because screw thread connects between swivel nut 61 and central shaft 3
Connect, move back withdrawing pattern seat 11 411 will move along die cavity section is moved back, and move back during the movement of withdrawing pattern seat 11 tube support panel 21 according to
Old support body, and when the guide finger 42 for promoting die holder enters retraction slot section 413, due to the support tube of tube support panel 21
Body, therefore, the first support plate 22 and the second support plate 25 are fixed, and so, central shaft 3 will be rotated, such center
The rotation of axle 3 just drives tank body support panel to shrink.So, withdrawing pattern 1 and reducing die 2 is moved back to occur to divide with bell and spigot joint and body respectively
From the completion demoulding.
Embodiment 2
The structure of the present embodiment is similar with the structure of embodiment 1, and simply rotary extension has acted the structure of switching mechanism 5
Change, as shown in figure 8, rotary extension action switching mechanism 5 includes some the first propulsion arms 57 to radial expansion and the
Two propulsion arms, the propulsion arm of the first propulsion arm 57 and second is radially slided respectively is installed on the first drive disk 23 and the second driving
On disk 24, every piece of tube support panel 21 is fixed on the outer end of each pair the first propulsion arm 57 and the second propulsion arm, described first
Inclined first driver slot 59 and second with radially point direction is respectively arranged with the support plate 25 of support plate 22 and second to drive
Dynamic groove, the inner end of the propulsion arm of the first propulsion arm 57 and second, which is provided with, is constrained in the first driver slot 59 and the second driver slot
Interior driving wheel 58.So, the first drive disk 23 and the second drive disk 24 will be driven to rotate when central shaft 3 rotates, and then
First drive disk 23 and the second drive disk 24 just drive driving wheel 58 to be moved in the first driver slot 59 and the second driver slot, and,
First driver slot 59 and the second driver slot are incline structure, and with radially point direction, can thus drive the first pushing tow
Moving radially for the propulsion arm of bar 57 and second, realizes the contraction or stretching of reducing die 2.
Embodiment 3,
The present embodiment also discloses a kind of application of bell and spigot joint mould, this application using above-mentioned mould into
Whole plastic tube with bell and spigot joint of type, the length of reducing die 2 is equal to the tube length of plastic tube, and the length for moving back withdrawing pattern 1 is equal to
The length of the bell and spigot joint of plastic tube, so, when moving back 1 length long enough of withdrawing pattern of the mould, it is possible to be applied to plastics
In the integral forming technique of pipe, so as to disposably complete the shaping of the plastic tube with bell and spigot joint.
Wherein, in the application of the mould, reducing die 2 includes many set support plates, drive disk and rotary extension action and turned
Converting mechanism 5, it is corresponding to combine the tube support for constituting plastic tube by polylith tube support panel 21 in the longitudinal direction, in length
The tube support for constituting plastic tube is combined on direction by polylith tube support panel 21, the shaping of body can be made more reasonable, is propped up
Support effect more preferably, be adapted to the longer tube support of length, the tube support of different length only needs to increase tube support panel 21
It can be completed with the action switching mechanism 5 of corresponding rotary extension, either winding pipe either injection molding tube can be used, so that one
Secondary property completes the shaping of the plastic tube with bell and spigot joint.
Claims (9)
1. a kind of bell and spigot joint mould, it is characterised in that：Including central shaft, reducing die is separately installed with the central shaft
With move back withdrawing pattern；The reducing die includes some pieces of cooperate the tube support panels that can be shunk in radial direction, the center
It is fixed with to rotate on the first drive disk and the second drive disk, the central shaft on axle and has the first support plate and second being oppositely arranged
Support plate, is fixed with least two axially extending guide rods, described first between first support plate and the second support plate
It is provided between drive disk and the second drive disk and every piece of tube support panel and spinning movement is converted into radial expansion action
Rotary extension acts switching mechanism；It is described move back withdrawing pattern including movable set on center-pole move back withdrawing pattern seat, it is described move back withdrawing pattern seat
Periphery be fixed with the joint shaping panel of enlarging shape for being molded bell and spigot joint, the withdrawing pattern cover for seat of moving back slides axially suit
On the guide bar, the withdrawing pattern seat that moves back drives rectilinear movement by axial actuating mechanism, and described move back sets between withdrawing pattern seat and central shaft
It is equipped with the slip spinning movement switching mechanism for the spinning movement that the rectilinear movement for moving back withdrawing pattern is converted into central shaft.
2. a kind of bell and spigot joint mould as claimed in claim 1, it is characterised in that：The rotary extension acts interpreter
Structure includes some groups of link assemblies, and each link assembly includes the first support link, the first drive link, the second support link
With the second drive link, one end of first support link and the second support link is respectively hinged at the first support plate and second
In support plate, one end of first drive link and the second drive link respectively with the first support link and the second support link
The other end be hinged, the other end of first drive link and the second drive link passes through the first driving hinge and second respectively
Driving hinge is hinged on the first drive disk and the second drive disk, is respectively arranged with first support plate and the second support plate
First arc drive hole and the second arc drive hole, the first driving hinge and the second driving hinge are constrained in the first arc respectively
In shape drive hole and the second arc drive hole, every piece of tube support panel is fixed on the first support link and the second support link
Between end face outside.
3. a kind of bell and spigot joint mould as claimed in claim 1, it is characterised in that：The rotary extension acts interpreter
Structure includes some the first propulsion arms and the second propulsion arm to radial expansion, and first propulsion arm and the second propulsion arm distinguish footpath
To being slidably mounted on the first drive disk and the second drive disk, every piece of tube support panel is fixed on the propulsion arm of each pair first and
It is respectively arranged with the outer end of two propulsion arms, first support plate and the second support plate with the inclined of radially point direction
First driver slot and the second driver slot, the inner end of first propulsion arm and the second propulsion arm, which is provided with, is constrained in the first driving
Driving wheel in groove and the second driver slot.
4. a kind of bell and spigot joint mould as described in any one of claims 1 to 3, it is characterised in that：It is described to slide rotation
Action switching mechanism includes being arranged at the guide groove of central axle external surface, and the guide groove includes axially extending be parallel to each other
Enter die cavity section and move back die cavity section, by shrinking between the traveling downstream for moving back die cavity section and the traveling upstream end for entering die cavity section
Groove section connection, by stretching out groove section connection between the traveling upstream end for moving back die cavity section and the traveling downstream for entering die cavity section,
Described move back is provided with the guide finger being constrained in guide groove on withdrawing pattern seat.
5. a kind of bell and spigot joint mould as claimed in claim 4, it is characterised in that：It is described enter die cavity section, move back die cavity section,
Retraction slot section and stretching groove section constitute parallelogram sturcutre.
6. a kind of bell and spigot joint mould as claimed in claim 5, it is characterised in that：The axial actuating mechanism includes turning
Dynamic be installed on the swivel nut moved back on withdrawing pattern seat, the central shaft is provided with thread segment, and the swivel nut thread set is in central shaft
On thread segment.
7. a kind of bell and spigot joint mould as claimed in claim 6, it is characterised in that：The table of the tube support panel
Face, the surface of joint shaping panel are coated with adiabatic gum.
8. a kind of application of bell and spigot joint mould, it is characterised in that：The application is molded whole using above-mentioned mould
Plastic tube with bell and spigot joint, the length of reducing die is equal to the tube length of plastic tube, and the length for moving back withdrawing pattern is equal to plastic tube
The length of bell and spigot joint.
9. a kind of application of bell and spigot joint mould as claimed in claim 8, it is characterised in that：The application of the mould
In, reducing die includes many set support plates, drive disk and rotary extension action switching mechanism, corresponding in the longitudinal direction by polylith
Tube support panel combination constitutes the tube support of plastic tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613429.1A CN107322910B (en) | 2017-07-25 | 2017-07-25 | Socket joint forming die and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613429.1A CN107322910B (en) | 2017-07-25 | 2017-07-25 | Socket joint forming die and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107322910A true CN107322910A (en) | 2017-11-07 |
| CN107322910B CN107322910B (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710613429.1A Active CN107322910B (en) | 2017-07-25 | 2017-07-25 | Socket joint forming die and application thereof |
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| Country | Link |
|---|---|
| CN (1) | CN107322910B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN1104310A (en) * | 1992-02-26 | 1995-06-28 | 株式会社大道 | Double-wall composite pipe and coupling structure assembly and method and apparatus for making same |
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| CN109979638A (en) * | 2017-12-27 | 2019-07-05 | 核工业西南物理研究院 | Vacuum changes target drone structure |
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| CN107322910B (en) | 2023-05-26 |
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