CN102059782B - Flaring demolding mechanism for flaring pipe fitting - Google Patents
Flaring demolding mechanism for flaring pipe fitting Download PDFInfo
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- CN102059782B CN102059782B CN 200910309932 CN200910309932A CN102059782B CN 102059782 B CN102059782 B CN 102059782B CN 200910309932 CN200910309932 CN 200910309932 CN 200910309932 A CN200910309932 A CN 200910309932A CN 102059782 B CN102059782 B CN 102059782B
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Abstract
The invention discloses a flaring demolding mechanism for a flaring pipe fitting, which comprises a fixing base, a slide female die, a fixing plate, a water core, a wedge block, a slide male die, 2 to 4 wedge plates, a mounting base, a slide connecting plate, a slide sleeve, 2 to 4 pull rods and 2 to 4 ball bearings, wherein the slide female die and the fixing plate are fixed to two ends of the fixing base; the water core is fixed on the fixing plate; the wedge block and the mounting base are slidably arranged on the water core; the wedge plates fixedly connected with the mounting base are slidably connected to the wedge block; the slide male die comprises a slide insert fixed to the front end of the water core, small valve blocks slidably connected to the left part of the wedge block and large valve blocks slidably connected to the left part of the same wedge plate; the slide sleeve is slidably sleeved on the fixing base; the slide connecting plate is fixed to the right end of the slide sleeve; the pull rods pass through the mounting base and the fixing plate in a mode of central symmetry, and both ends of the pull rods are fixed on the wedge block and the slide connecting plate respectively; the ball bearing is arranged in the mounting base; and when used, the slide connecting plate is connected with a power output piece of an oil cylinder.
Description
Technical field
The present invention relates to a kind of parts of mfg. moulding die of plastic flared tube, particularly a kind of demolding mechanism for flaring of mfg. moulding die of small-bore flared pipe fitting.
Background technology
Plastic pipe and plastic pipe are widely used in the supply and drain water system, and the plastic pipe of identical or different diameter links together by plastic pipe.That pipe fitting generally comprises is straight-through, elbow, threeway, four-way etc.When by pipe fitting tubing being linked together, usually the structure that adopts is: the shape (namely the inwall at the mouth of pipe forms the toroidal cavity that an edge circumferentially arranges) of each port of pipe fitting being made enlarging, sealing ring is installed in enlarging, end with tubing inserts in the corresponding port of corresponding tubing again, and by the swelling of sealing ring elasticity between tubing and pipe fitting, be fixedly connected with the airtight of pipe fitting thereby finish this tubing, certain pressure can be born in its junction.But when each port was made the structure of enlarging, its method that adopts was: be injection molded into first the semi-finished product that each port is straight tube, with the heating of port straight tube, put into another mould with flaring structure and be squeezed into flared end again.But, the tube wall of the flared part after this extruding in uneven thickness, intensity is relatively poor, and the pressure that can bear during sealing is less, and in addition, production efficiency is also lower.
Improve as it, Chinese patent literature CN201272027 discloses a kind of flaring core ejection mechanism of flared pipe fitting.Described mechanism comprises main body core and die cavity, the main body core is shaped with fixed bar, fixed bar is equipped with slide rail outward, slide rail is shaped with movable chamber, fixed bar is installed pulling block outward in movable chamber, the pulling block middle part is shaped with locating slot, the exterior flaring core of pulling block, and flaring core is comprised of large slide block and small slide block, large slide block and the exterior cover plate of small slide block, cover plate, large slide block, consist of die cavity between small slide block and main body core and the die cavity, large slide block and small slide block middle part are shaped with loose slot first and loose slot second, and the upper surface of loose slot second contacts with the lower surface of locating slot, the small slide block middle part is shaped with boss, baffle plate is housed on the boss, the small slide block support plate is housed in the locating slot of loose slot first and pulling block, large thrust slide supporting plate is housed on it, large thrust slide supporting plate is shaped with block second, block second contacts with large slide block, the higher authorities' cylinder lever connecting rod of pulling block, and pull bar is driven by oil cylinder.When this flaring core ejection mechanism is used for injection mold; because die cavity is made of main body core and flaring core and die cavity and cover plate; and the die position at the enlarging position of goods is born by die cavity; so; formed goods can only be straight tubes, and can only form enlarging at an end of straight tube, and the other end of straight tube is wanted the words of enlarging; then can only adopt mode of heating, put into again another mould with flaring structure and be squeezed into flared end.Although production efficiency increases, because the tube wall of a port in two ports of pipe fitting is still in uneven thickness, so when carrying out the connection of tubing, the pressure that its seal can bear still can not get improving.In addition; this flaring core ejection mechanism is when the demoulding; large slide block and small slide block will break away from by swing the enlarging position of goods; the fixed position of permanent in the past large slide block and small slide block occurs loosening easily; wearing and tearing occur easily with being connected also of loose slot second, loose slot first, thereby cause this mechanism's easy break-down and service life shorter.
Summary of the invention
Technical problem to be solved by this invention provide a kind of easy to assembly, service life is longer, and corresponding injection mold can be used for the demolding mechanism for flaring of all of the port once injection moulding of various flared pipe fittings.
The technical scheme that realizes the object of the invention is: the demolding mechanism for flaring of flared pipe fitting of the present invention comprises holder, line position die, fixed head, line position punch, line position connecting plate and 2 to 4 pull bars, also comprises water core, contract piece, 2 to 4 balls that contract plate, mount pad, line position cover and quantity are identical with the quantity of pull bar.
The contract piece is a steel integral piece that is provided with medium pore, and its left part basic configuration is that Rotary-table, right part basic configuration are cylinder, and line is arranged with contract board slot about the quantity perforation contract piece identical with the quantity of contract plate centered by the axis of medium pore.The left part of contract piece is provided with the lobe block between adjacent contract board slot, thereby the quantity of lobe block is identical with the quantity of contract board slot.Each lobe block is symmetrical arranged with respect to the center line of contract piece.
The outside left part of each piece contract plate is the ramp structure that is provided with lobe piece connecting portion, and each piece contract plate is slidingly connected in the corresponding contract board slot of contract piece by its inside line, and with respect to the contract piece at the right and left upward sliding.
The line position punch comprises line position mold insert, valvula piece and large lobe piece, and the quantity of valvula piece and the large lobe piece all quantity with the contract board slot of contract piece is identical, and valvula piece and greatly space setting between the lobe piece.Each valvula piece is slidingly connected on corresponding 1 lobe block of contract piece, and the angle of cut between the center line of the relative sliding direction of each valvula piece and contract piece and contract piece is all identical, and angular range is 15 to 30 degree.Each large lobe piece is slidingly connected on the lobe piece connecting portion of a corresponding contract plate, and the angle of cut between the center line of the relative sliding direction of each large lobe piece and contract plate and contract piece is all identical, and angular range is 15 to 30 degree.
The water core comprises shaft and is connected to the core print in shaft left side.Medium pore about the water core also is provided with cooling-water duct and runs through, the airtight plug that is fixed with in the two ends of medium pore.The contract piece is horizontally slipped on the shaft of water core and with the water core by its central borehole jack and is connected.The line position mold insert is fixedly mounted on the core print of water core.
Mount pad is provided with the medium pore tie rod hole identical with pull bar quantity with quantity vertically, also radially is provided with the quantity ball hole identical with ball quantity.One end of ball hole communicates with the external world, and the other end communicates with a corresponding tie rod hole.Each ball is arranged in the corresponding ball hole.Mount pad is horizontally slipped on the shaft of water core, with the water core by its central borehole jack and is connected, and mount pad is positioned at the right side of each piece contract plate, and each piece contract plate is limited with respect to mount pad.
Holder is a steel integral piece that is provided with medium pore, comprises the connector portions that is positioned at the left side and the body that is positioned at the right side, and the edge is circumferentially with the annular groove that the cross section is minor arc shape on the inwall of body.Holder by its central borehole jack on contract piece, each piece contract plate and mount pad.
Fixed head is provided with the medium pore tie rod hole identical with pull bar quantity with quantity vertically, and fixed head is fixed on the holder from right-hand, and fixed head, and is fixedly connected with the water core on the shaft of water core by its central borehole jack, and fixed head is positioned at the right-hand of mount pad.
The left end of each root pull bar is provided with external screw thread, and the left part bar section of pull bar is provided with the annular groove that the cross section is minor arc shape.The left end of each pull bar is fixed on the contract piece from right-hand screw thread after passing successively the corresponding tie rod hole of fixed head and mount pad.Each pull bar be connected with mount pad with fixed head and is connected.
The line position die is the steel integral piece with medium pore, and the left part of medium pore is die cavity, and the internal diameter of die cavity left end is maximum and dwindle step by step from left to right, and the line position die is fixed on the holder from left.
The line position cover is the steel integral piece.Line position be arranged with the stopper slot that is positioned at outer periphery and be positioned at the outside about to guide groove.
The line position cover is enclosed within on the holder from right-hand, and horizontally slips with holder and to be connected.
The line position connecting plate is provided with the quantity tie rod hole identical with pull bar quantity vertically, also is provided with the position that links to each other with the power output of oil cylinder when using.The line position connecting plate puts from the right-hand line position that is fixed on, and the right-hand member of each root pull bar is fixed on the line position connecting plate.
The inwall at the medium pore place of above-mentioned holder is provided with 3 axial rectangular through slot, the setting that is centrosymmetric of 3 rectangular through slot.The quantity of contract plate has 3, and then the quantity of the lobe block of contract piece and contract board slot also is 3, and correspondingly the quantity of the valvula piece of line position punch and large lobe piece also all is 3.The middle part in the outside of each piece contract plate and right part stretch in corresponding 1 rectangular through slot of holder, and each piece contract plate horizontally slips with holder by the rectangular through slot of holder and is connected.
The external diameter of line position die is identical with the external diameter of the connector portions of holder, and the external diameter of connector portions is identical with the external diameter of line position cover.Be divided into upper side guidance and lower side guidance to guide groove about the line position cover, the outside of the connector portions of holder also correspondence is provided with upper and lower side guidance, and the outside of line position die also correspondence is provided with upper and lower side guidance.The outside of line position connecting plate also correspondence is provided with upper and lower side guidance.
The right part of the medium pore of line position die is shoulder hole.Form between the shoulder hole of line position die and the left side of holder and stop groove.The lobe block of above-mentioned contract piece is T-shaped block.The inboard of valvula piece is provided with T-slot.The valvula piece is enclosed within by its T-slot on T-shaped of corresponding 1 lobe block of contract piece, and with oblique being slidingly connected in the contract piece left and right sides.The outside of valvula piece left part is the part of the inwall of composition line position punch, and the right part of valvula piece is shoulder block.The center of the left part inboard of valvula piece is to the external diameter sum of the shaft of the outermost radial distance of shoulder block and the water core radius less than the medium pore of holder, thereby at the valvula piece during with respect to the oblique slip in the contract piece left and right sides, its shoulder block radially moves to the inside and leaves and stops groove or radially move laterally and stretch into and stop in the groove.
The lobe piece connecting portion of contract plate is T-shaped block.The inboard of large lobe piece is provided with T-shaped groove.Large lobe piece is enclosed within by its T-slot on T-shaped of corresponding 1 lobe piece connecting portion of contract plate, and with oblique being slidingly connected in the contract plate left and right sides.The outside of large lobe piece left part is the part of the inwall of composition line position punch, and the right part of large lobe piece is shoulder block.The center of the left part inboard of large lobe piece is to the external diameter sum of the shaft of the outermost radial distance of shoulder block and the water core radius greater than the medium pore of holder, thereby large lobe piece with respect to the contract plate to left in the oblique slip, when its shoulder block radially moved to the inside, its radially maximum position was still stayed and is stopped in the groove.
The demolding mechanism for flaring of above-mentioned flared pipe fitting also comprises limiting plate and 3 contiguous blocks.
Limiting plate is provided with the medium pore axial tie rod hole identical with pull bar quantity with quantity vertically, and each tie rod hole is with respect to the setting that is centrosymmetric of the axis of the medium pore of limiting plate.On the shaft of water core, horizontally slip with the water core is connected limiting plate, and is fixedly connected on the mount pad from right-hand by its central borehole jack.Also be enclosed within outside the corresponding pull bar by its tie rod hole, be connected and horizontally slip with pull bar.
The contract board slot that mount pad also is provided with 3 mounting grooves and communicates at left and right directions with each mounting groove, and the circumferential size of mounting groove is greater than contract board slot circumferential size.Each contiguous block is arranged in the corresponding mounting groove of mount pad.The right-hand member of each piece contract plate is arranged in the corresponding contract board slot, and be provided with towards right-hand screw, the connecting hole that passes contiguous block by screw screws the right-hand member at the contract plate, thereby mount pad is by contiguous block and limiting plate and mutually spacing on left and right directions with each piece contract plate.
The position that links to each other with the power output of oil cylinder during the use of line position connecting plate is a line position connecting hole that is arranged on plate body central authorities.
Pull bar has 3, thereby the tie rod hole on line position connecting plate, fixed head, limiting plate and the mount pad all is 3 also, and the ball hole on the mount pad also is 3.
The right-hand member of each pull bar comprises convex shoulder and is provided with externally threaded right-hand member head for being fixedly connected with section.The right-hand member head of 3 pull bars passes a corresponding tie rod hole of line position connecting plate from left to right, and is contacted with the left side of line position connecting plate by the right side of its convex shoulder, screws a locking nut at the right-hand member head again.
The present invention has positive effect:
(1) structure of the demolding mechanism for flaring of flared pipe fitting of the present invention is comparatively simple, and the mode that is connected of each part is comparatively simple, so that the assembling of whole mechanism is also comparatively convenient.
(2) motion mode of the demolding mechanism for flaring of flared pipe fitting of the present invention is novel; the demoulding or the matched moulds motion that are slidingly connected and carry out flaring core of the T-shaped frid by the T-shaped groove on the large valvula piece and contract plate, contract piece, this motion and connected mode on the basis that guarantees good stripping result not only simply but also novel.
(3) the T-shaped frid of the large valvula piece of the demolding mechanism for flaring of flared pipe fitting of the present invention by the T-shaped groove on it and contract plate, contract piece is slidingly connected so that the service life of large valvula piece is longer, and fault rate is lower.
(4) demolding mechanism for flaring of flared pipe fitting of the present invention is mainly used in the manufacturing of the flared pipe fitting of once injection moulding, but by arranging in pairs or groups with the activity of mfg. moulding die, can be applicable to equally the secondary expanding of pipe fitting.
(5) design concept of the demolding mechanism for flaring of flared pipe fitting of the present invention is small-bore in order to make (50 to 90 millimeters; No. 50, No. 60, No. 75, No. 90) flared pipe fitting; but it is applicable equally in the manufacturing of heavy caliber flared pipe fitting, and effect is fine.
Description of drawings
Fig. 1 is a kind of cross-sectional view of the present invention, is obtained by the demolding mechanism for flaring of the flared pipe fitting in the right half part of the M-M cross-sectional schematic of Figure 32.
Fig. 2 is the structural representation from the I of Fig. 1 holder when observing.
Fig. 3 is the A-A face cutaway view of Fig. 2.
Fig. 4 is the structural representation from the J of Fig. 1 line position die when observing.
Fig. 5 is the B-B face cutaway view of Fig. 4.
Fig. 6 is the structural representation of the water core from Fig. 1.
Fig. 7 is the structural representation from the I of Fig. 1 fixed head when observing.
Fig. 8 is the C-C face cutaway view of Fig. 7.
Fig. 9 is the structural representation from the J of Fig. 1 locating ring when observing.
Figure 10 is the structural representation from the I of Fig. 1 contract piece when observing.
Figure 11 is the D-D face cutaway view of Figure 10.
Figure 12 is the structural representation from the J of Fig. 1 contract piece when observing.
Figure 13 is the schematic perspective view of contract piece.
Figure 14 is the structural representation from the I of Fig. 1 valvula piece when observing.
Figure 15 is the structural representation from the I of Fig. 1 large lobe piece when observing.
Figure 16 is the structural representation of contract plate among Fig. 1.
Figure 17 is the structural representation from the J of Fig. 1 mount pad when observing.
Figure 18 is the E-E face cutaway view of Figure 17.
Figure 19 is the structural representation of contiguous block among Fig. 1.
Figure 20 is the structural representation from the I of Fig. 1 limiting plate when observing.
Figure 21 is the F-F generalized section of Figure 20.
Figure 22 is the structural representation from the J of Fig. 1 line position connecting plate when observing.
Figure 23 is the G-G generalized section of Figure 22.
Figure 24 is the structural representation from the J of Fig. 1 line position cover when observing.
Figure 25 is the H-H generalized section of Figure 24.
Figure 26 is the structural representation of the pull bar among Fig. 1.
Figure 27 to Figure 29 is the knockout course schematic diagram of the demolding mechanism for flaring of flared pipe fitting shown in Figure 1.
Figure 30 is the structural representation of the demolding mechanism for flaring of flared pipe fitting shown in Figure 1 when being in demoulding state.
Figure 31 is for using a kind of structural representation of plastic flared tube mfg. moulding die of the present invention.Its direction of observation is for from the top down.
Figure 32 is the L-L cross-sectional schematic of Figure 31.
Mark in the above-mentioned accompanying drawing is as follows:
Line position die 12, die cavity 12-1, shoulder hole 12-2, step connecting portion 12-3, installing hole 12-4, upper and lower side guidance 12-5,
Fixed head 13, medium pore 13-1, water-flowing trough 13-2, cooling-water duct 13-3, tie rod hole 13-4, fixing threaded hole 13-5, installing hole 13-6, the cylindrical protrusion 13-7 of section,
Locating ring 22, medium pore 22-1, deep-slotted chip breaker 22-2, installing hole 22-3,
Line position mold insert 40,
Limiting plate 63, medium pore 63-1, tie rod hole 63-2, installing hole 63-3,
Ball 7,
Line position connecting plate 81, tie rod hole 81-1, line position connecting hole 81-2, installing hole 81-3, guide groove 81-4,
Line position cover 82, stopper slot 82-1, guide groove 82-2, screw 82-3,
Pull bar 83, left end 83-1, annular groove 83-2, convex shoulder 83-3, right-hand member head 83-4,
Retaining groove 9,
Front mould A1, contract ring A2,
Rear mold B1, thimble B2, line position way block B3, edge B3-1, line position baffle plate B4, locating ring B5,
Be mouth C1,
Mold base D1.
The specific embodiment
(embodiment 1)
See Fig. 1, the demolding mechanism for flaring of the flared pipe fitting of present embodiment comprises holder 11, line position die 12, fixed head 13, water core 21, locating ring 22, contract piece 3, line position punch 4,3 blocks of contract plates 5, mount pad 61,3 contiguous blocks 62, limiting plate 63,3 balls 7, line position connecting plate 81,82 and 3 pull bars 83 of line positions cover.
See Fig. 2 and Fig. 3, holder 11 is steel integral pieces that are provided with medium pore 11-3, comprises the connector portions 11-1 that is positioned at the left side and the body 11-2 that is positioned at the right side.
The inwall at the medium pore 11-3 place of holder 11 is provided with 3 axial rectangular through slot 11-5, and 3 rectangular through slot 11-5 are with respect to the setting that is centrosymmetric of the axis of medium pore 11-3.
On the inwall at the rear portion of body 11-2 along being circumferentially with the annular groove 11-4 that a cross section is minor arc shape.
The right-hand member of holder 11 is provided with 4 axial the first screw 11-6, and 4 the first screw 11-6 are with respect to the setting that is centrosymmetric of the axis of medium pore.
The medium pore 11-3 of holder 11 is shoulder hole, and the larger hole section of diameter in its left side is arranged on the connector portions 11-1.The periphery front radius of connector portions 11-1 is less, rear section radius is larger, and about the junction of the periphery rear portion of connector portions 11-1 and periphery front portion is provided with to upper side guidance 11-8 and lower side guidance 11-8.The end towards a left side of the second step 11-1-2 of the connector portions 11-1 of holder 11 is provided with 4 axial the second screw 11-7, and 4 the second screw 11-7 are with respect to the setting that is centrosymmetric of the axis of medium pore 11-3.
See Fig. 4 and Fig. 5, line position die 12 is for having the steel integral piece of medium pore; The left part of medium pore is die cavity 12-1, and the internal diameter of die cavity 12-1 left end is maximum and dwindle step by step from left to right, and the right part of the medium pore of line position die 12 is shoulder hole 12-2; The diameter of the hole section on the right side of the shoulder hole 12-2 of line position die 12 is larger, and the right-hand member periphery of line position die 12 is provided with and the first step 11-1-1 of the connector portions 11-1 of holder 11 and the step connecting portion 12-3 that second step 11-1-2 matches.
On line position die 12, be provided with from left to right 4 axial installing hole 12-4, the position of 4 installing hole 12-4 is corresponding with the position of the second screw 11-7 of holder 11.
The periphery front radius of line position die 12 is less, rear section radius is larger, and about the junction of the periphery rear portion of line position die 12 and periphery front portion is provided with to upper side guidance 12-5 and lower side guidance 12-5, and the shape of the most peripheral of line position die 12 is identical with the peripheral shape of the connector portions 11-1 of holder 11.
See Fig. 1, the step connecting portion 12-5 of line position die 12 is contacted with first step 11-1-1 and the second step 11-1-2 of the connector portions 11-1 of holder 11, screw on the second screw 11-7 of holder 11 after passing successively respectively 4 installing hole 12-4 of line position die 12 by 4 interior hexagonal screw rods again, thereby line position die 12 is fixed on the holder 11, and be positioned at the left of holder 11, and the upper side guidance 12-5 of line position die 12 and lower side guidance 12-5 aim at upper side guidance 11-8 and the lower side guidance 11-8 of holder 11, and formation stops groove 9 between the left side of the larger hole section of the diameter on the right side of the shoulder hole 12-2 of line position die 12 and the second step 11-1-2 of the connector portions 11-1 of holder 11.
See Fig. 6, water core 21 comprises shaft 21-2 and is connected to the core print 21-1 in shaft 21-2 left side; The outer surface of core print 21-1 is along being circumferentially with external screw thread, and the left end of core print 21-1 also is provided with 2 screw 21-6 vertically; Medium pore 21-3 about water core 21 also is provided with cooling-water duct and runs through, the airtight plug that is fixed with in the two ends of medium pore 21-3.The medium pore 21-3 of water core 21 also is the cooling-water duct of whole water core 21.Shaft 21-2 right part is provided with 2 limbers 21-4 that communicate with medium pore 21-3 radially.The outer surface of the right part of shaft 21-2 is provided with an arc notch 21-5.
See Fig. 7 and Fig. 8, fixed head 13 is the steel integral piece, and its external diameter equates with the external diameter of the body 11-2 of holder 11.Fixed head 13 is provided with medium pore 13-1 vertically, and its aperture is corresponding with the external diameter of the shaft 21-2 of water core 21.The edge is circumferentially with the water-flowing trough 13-2 of 2 annulars on the inwall at the medium pore 13-1 place of fixed head 13.Also be provided with 3 axial tie rod hole 13-4 on the fixed head 22,3 tie rod hole 13-4 are with respect to the medium pore 13-1 setting that is centrosymmetric.The upper of fixed head 13 also is provided with axial opening fixing threaded hole 13-5 to the right, and fixing threaded hole 13-5 is arranged between superposed 2 tie rod hole 13-4.Fixed head 13 also is provided with 4 axial installing hole 13-6, and the position of 4 installing hole 13-6 is corresponding with the position of the first screw 11-6 of holder 11, and arranges around each tie rod hole 13-4.Also be provided with 2 cooling-water duct 13-3 in the plate body of fixed head 13, and per 2 cooling-water duct 13-3 communicate with corresponding 1 water-flowing trough 13-2, each bar cooling-water duct 13-3 is all along the radially setting of fixed head 13.Fixed head 13 also comprises the cylindrical protrusion 13-7 of section that is positioned at left end central authorities, and the external diameter of protuberance 13-7 is corresponding with the internal diameter of the body 11-2 of holder 11.
See Fig. 1, fixed head 13 stretched into from right to left by its cylindrical protrusion 13-7 of section among the right-hand member of body 11-2 of holder 11 that the periphery position, left side of fixed head 13 contacts with the right side of the body 11-2 of holder 11.Again 4 interior hexagonal screw rods are passed respectively among corresponding 1 the first screw 11-6 of the body 11-2 that screws at holder 11 behind the corresponding installing hole 13-6 of fixed head 13, thereby fixed head 13 is fixed on the holder 11, and its cylindrical protrusion 13-7 of section embeds in the body 11-2 of holder 11.
See Fig. 9, locating ring 22 is the steel integral piece, and locating ring 22 is provided with medium pore 22-1 vertically, is comprised of rectangle position and semicircular part position.The outward flange of locating ring 23 plate bodys is provided with 3 axial deep-slotted chip breaker 22-2, and 3 deep-slotted chip breaker 22-2 are with respect to the setting that is centrosymmetric of the axis of medium pore 22-1.The equal diameters of the tie rod hole 13-4 of the diameter of deep-slotted chip breaker 22-2 and fixed head 13.Locating ring 23 is provided with an axial installing hole 22-3, and installing hole 22-3 is arranged between superposed 2 deep-slotted chip breaker 22-2, and the size of installing hole 22-3 is corresponding with the fixing threaded hole 13-5 on the fixed head 13.
See Fig. 1, water core 21 is passed from left to right the medium pore 13-1 of fixed head 13, and so that 2 limbers 21-4 of water core 21 communicate with corresponding 1 water-flowing trough 13-2 of fixed head 13 respectively, again locating ring 22 is enclosed within the right-hand member head of water core 21 by its medium pore 22-1, and locating ring 22 is slid into from right to left the arc notch 21-5 place of water core 21 along water core 21 shaft 21-2, the installing hole 22-3 that adjusts locating ring 22 is relative with the position of the fixing threaded hole 13-5 of fixed head 13, then the rectangle position with locating ring 21 cooperates among the arc notch 21-5 that embeds water core 21, screw on the fixing threaded hole 13-5 of fixed head 13 after passing successively the installing hole 22-2 of locating ring 22 by an outer-hexagonal screw rod again, thereby locating ring 22 is fixed on the fixed head 13, and be positioned at the right-hand of fixed head 13, and 3 deep-slotted chip breaker 22-2 of locating ring 22 corresponding 1 the tie rod hole 13-4 with fixed head 13 is relative respectively.Thereby water core 21 is fixed on the fixed head 13.
See Figure 10 to Figure 13, contract piece 3 is steel integral pieces that are provided with medium pore 33, its left part 31 basic configurations are that Rotary-table, right part 32 basic configurations are cylinder, and line is arranged with the contract board slot 34 of 3 perforation contract piece about 3 centered by the axis of medium pore 33.The aperture of medium pore 33 is corresponding with the external diameter of the shaft 21-2 of water core 21.Left part 31 is provided with the lobe block 31-1 between adjacent contract board slot 34, and 3 lobe block 31-1 are symmetrical arranged with respect to the center line of contract piece 3.Lobe block 31-1 is T-shaped block.The diameter of right part 32 is corresponding with the diameter of the medium pore 11-3 of holder 11.The right side of right part 32 also is provided with 3 axial pull bar screw 32-1, and 3 pull bar screw 32-1 are with respect to the setting that is centrosymmetric of the axis of medium pore 33, and the position of 3 pull bar screw 32-1 is corresponding with the position of the tie rod hole 13-4 of fixed head 13.
See Fig. 1, it is upper and be positioned at the medium pore 11-3 of holder 11 that contract piece 3 is sleeved on the shaft 21-2 of water core 21 by its medium pore 33, and horizontally slip with water core 21 and to be connected.
See Figure 16, contract plate 5 has 3, and its basic configuration is the cutter type, and namely the outside left part of each piece contract plate 5 is the ramp structure that is provided with lobe piece connecting portion 51, and lobe piece connecting portion 51 is T-shaped block.The right part inboard of each piece contract plate 5 is provided with a rectangular indentation 52, and the right side of right part is provided with an axial screw 53.
See Fig. 1 to Fig. 3, among corresponding 1 rectangular through slot 11-5 that 3 blocks of contract plates 5 stretch into holder 11 by middle part and the right part in its outside respectively, be slidingly connected at by its inside line in the corresponding contract board slot 34 of contract piece 3, and each piece contract plate 5 horizontally slips with holder 11 by the rectangular through slot 11-5 of holder 11 and is connected, and each piece contract plate 5 can be with respect to contract piece 5 at the right and left upward sliding.
See Fig. 1, line position punch 4 comprises line position mold insert 40,3 valvula pieces 41 and 3 large lobe pieces 42.Line position mold insert 40 is provided with opening central blind hole to the right, and central blind hole is provided with internal thread, and its internal thread matches with the external screw thread of the core print 21-1 of water core 21; The left end of line position mold insert 40 also is provided with 2 installing holes, and the size and location of installing hole match with 2 screw 21-6 of water core 21.
The space arranges between 3 valvula pieces 41 and the 3 large lobe pieces 42.The outside of valvula piece 41 left parts is the part of the inwall of composition line position punch 4, and its shape is corresponding with the shape of the enlarging groove of the flared pipe fitting of making.The right part of valvula piece 41 is shoulder block 41-2.The inboard left part of valvula piece 41 is fan-shaped, and inboard right part is the ramp structure that is provided with T-shaped groove 41-1, and the shape of T-shaped groove 41-1 matches with the T-shaped shape of the lobe block 31-1 of contract piece 3.See Fig. 1, Figure 11 and Figure 14,3 valvula pieces 41 are enclosed within on T-shaped of corresponding 1 lobe block 31-1 of contract piece 3 by its T-shaped groove 41-1 respectively, and with oblique being slidingly connected in contract piece 3 left and right sides, and the angle of cut between the relative sliding direction of each valvula piece 41 and contract piece 3 and the center line of contract piece 5 is all identical, and angular range is 20 degree.And the center of the left part inboard of valvula piece 41 is to the external diameter sum of the shaft 21-2 of the outermost radial distance of shoulder block 41-2 and water core 21 radius less than the medium pore 11-3 of holder 11, thereby at valvula piece 41 during with respect to the oblique slip in contract piece 3 left and right sides, its shoulder block 41-2 radially moves to the inside and leaves and stops groove 9 or radially move laterally and stretch into and stop in the groove 9.
See Figure 15, the outside of large lobe piece 42 left parts is the part of the inwall of composition line position punch 4, and its shape is corresponding with the shape of the enlarging groove of the flared pipe fitting of making.The right part of large lobe piece 42 is shoulder block 42-2.The inboard left part of large lobe piece 42 is fan-shaped, and inboard right part is the ramp structure that is provided with T-shaped groove 42-1, and the shape of T-shaped groove 42-1 matches with T-shaped shape of the lobe piece connecting portion 51 of contract plate 5.See Fig. 1, Figure 11 and Figure 15,3 large lobe pieces 42 are enclosed within on T-shaped of corresponding 1 lobe piece connecting portion 51 of contract plate 5 by its T-slot 42-1 respectively, and with oblique being slidingly connected in contract plate 5 left and right sides, and the angle of cut between the relative sliding direction of each large lobe piece 42 and contract plate 5 and the center line of contract piece 5 is all identical, and angular range is 20 degree.And the center of the left part inboard of large lobe piece 42 is to the external diameter sum of the shaft 21-2 of the outermost radial distance of shoulder block 42-2 and water core 21 radius greater than the medium pore 11-3 of holder 11, thereby large lobe piece 42 with respect to contract plate 5 to left in the oblique slip, when its shoulder block 42-2 radially moved to the inside, its radially maximum position was still stayed and is stopped in the groove 9.
Still see Fig. 1, line position mold insert 40 is installed on the core print 21-1 of water core 21 by its medium pore threaded engagement, screw in a corresponding screw 21-6 of water core 21 after passing respectively the corresponding installing hole of line position mold insert 40 by 2 interior hexagonal screw rods again, thereby line position mold insert 40 is fixed on the core print 21-1 of water core 21.And the front end of 3 valvula pieces 41 and 3 large lobe pieces 42 is positioned at the medium pore of line position mold insert 40.
See Figure 17 and Figure 18, mount pad 61 is the steel integral piece, and its external diameter is corresponding with the internal diameter of the body 11-2 of holder 11.The central authorities of mount pad 61 are provided with medium pore 61-1 vertically, and its aperture is corresponding with the external diameter of the shaft 21-2 of water core 21.Also be provided with 3 axial tie rod hole 61-2 on the mount pad 61,3 tie rod hole 61-2 are with respect to the medium pore 61-2 setting that is centrosymmetric, and the position of 3 tie rod hole 61-2 is corresponding with the position of the tie rod hole 13-4 of fixed head 13.Also have 3 ball hole 61-3 radially on the outer wall of mount pad 61, the end of each ball hole 61-3 communicates with the external world, and the other end communicates with a corresponding tie rod hole 61-2.The basic configuration of ball hole 61-3 is cylindrical, and its aperture is identical with annular groove 11-4, and ball hole 61-3 is along the length radially of mount pad 61 aperture less than ball hole 61-3.Adjacent two the tie rod hole 61-2 amongs in the right side of mount pad 61 are provided with 1 mounting groove 61-4, and the basic configuration of mounting groove 61-4 is square.Adjacent two the tie rod hole 61-2 amongs in the left side of mount pad 61 are provided with 1 contract board slot 61-5, the shape of contract board slot 61-5 matches with the rectangular indentation 52 of contract plate 5 right parts, and each contract board slot 61-5 communicates at left and right directions with a corresponding mounting groove 61-4, and the circumferential size of mounting groove 61-4 is greater than contract board slot 61-5 circumferential size.The right side of mount pad 61 also is provided with 3 screw 61-6, and 3 screw 61-6 are with respect to the medium pore 61-1 setting that is centrosymmetric.See Fig. 1, mount pad 61 is arranged in the body 11-2 of holder 11, is enclosed within on the shaft 21-2 of water core 21 by its medium pore 61-1, and horizontally slip with the inwall of the medium pore 11-3 of holder 11 be connected, horizontally slipping with water core 21 is connected.
See Figure 19, contiguous block 62 has three, and the shape of every contiguous block 62 matches with the mounting groove 61-4 of mount pad 61.Contiguous block 62 is provided with an axial installing hole 62-1.
See Figure 20 and Figure 21, limiting plate 63 is the steel integral piece, and its external diameter is corresponding with the internal diameter of the body 11-2 of holder 11.The central authorities of limiting plate 63 are provided with medium pore 63-1 vertically, and its aperture is corresponding with the external diameter of the shaft 21-2 of water core 21.Also be provided with 3 axial tie rod hole 63-2 on the limiting plate 63,3 tie rod hole 63-2 are with respect to the medium pore 63-2 setting that is centrosymmetric, and the position of 3 tie rod hole 63-2 is corresponding with the position of the tie rod hole 13-4 of fixed head 13.Limiting plate 63 also is provided with 3 installing hole 63-3 vertically, and the position of 3 installing hole 63-3 is corresponding with the position of the screw 61-6 of mount pad 61.
See Fig. 1, limiting plate 63 is enclosed within on the shaft 21-2 of water core 21 by its medium pore 63-1, horizontally slip with water core 21 and to be connected, and screw in corresponding 1 screw 61-6 of mount pad 61 pass successively respectively corresponding 1 installing hole 63-3 of limiting plate 63 by 3 interior hexagonal screw rods after, thereby limiting plate 63 is fixed on the mount pad 61, and be positioned at the medium pore 11-3 of right-hand, the holder 11 of mount pad 61, and horizontally slip with the inwall of the body 11-2 of holder 11 and to be connected.
See Fig. 1,3 contiguous blocks 62 are embedded in the mounting groove 61-4 that is installed in mount pad 61 respectively.3 blocks of contract plates 5 are cooperated in corresponding 1 the contract board slot 61-5 that inserts mount pad 61 by the rectangular indentation 52 of its right part respectively, and screw in the screw 53 of corresponding 1 block of contract plate 5 pass successively respectively the installing hole 62-1 of corresponding 1 contiguous block 62 by 3 interior hexagonal screw rods after, thereby mount pad 61 is by contiguous block 62 and limiting plate 63 and mutually spacing on left and right directions with each piece contract plate 5.
See Fig. 1, ball 7 has 3, and the aperture of the ball hole 61-3 on its diameter and the mount pad 61 is corresponding.In the present embodiment, the diameter of ball 7 is 8 millimeters.3 balls 7 are separately positioned in the annular groove 11-4 and mount pad 61 corresponding ball hole 61-3 of holder 11.
See Figure 22 and Figure 23, line position connecting plate 81 is steel integral pieces, and its external diameter is identical with the external diameter of the connector portions 11-1 of holder 11.The central authorities of line position connecting plate 81 are provided with line position connecting hole 81-2 vertically, are used for being connected with the power output of oil cylinder etc.Also be provided with 3 axial tie rod hole 81-1 on the line position connecting plate 81,3 tie rod hole 81-1 are with respect to the setting that is centrosymmetric of the central axial line of line position connecting plate 81, and the position of 3 tie rod hole 81-3 is relative with the position of the tie rod hole 13-4 of fixed head 13.Line position connecting plate 81 also is provided with 4 axial installing hole 81-3, and 4 installing hole 81-3 are with respect to the setting that is centrosymmetric of the central axial line of line position connecting plate 81.The periphery front radius of line position connecting plate 81 is less, rear section radius is larger, and about the junction of the periphery rear portion of line position connecting plate 81 and periphery front portion is provided with to upper side guidance 81-4 and lower side guidance 81-4.
See Figure 24 and Figure 25, line position cover 82 is for being provided with the steel integral piece of medium pore, and its basic configuration is a hollow tube jacket.The external diameter of line position cover 82 is identical with the external diameter of the connector portions 11-1 of holder 11, and internal diameter is corresponding with the external diameter of the body 11-2 of holder 11.The left part of line position cover 82 also is provided with the stopper slot 82-1 of the annular that is positioned at outer periphery, and stopper slot 82-1 is used for spacing to whole demolding mechanism for flaring.The periphery front radius of line position cover 82 is less, rear section radius is larger, and about the junction of the periphery rear portion of line position cover 82 and periphery front portion is provided with to upper side guidance 82-2 and lower side guidance 82-2.Be provided with from right to left 4 axial screw 82-3 on the line position cover 82, the position of 4 screw 82-3 is relative with the position of the installing hole 81-3 of line position connecting plate 81.
See Fig. 1, line position cover 82 is contained on the body 11-2 of holder 11 from right-hand engage sleeves, and horizontally slips with the outer wall of the body 11-2 of holder 11 and to be connected.Screw on corresponding 1 screw 82-3 of line position cover 82 after passing successively respectively corresponding 1 installing hole 81-3 of line position connecting plate 81 by 4 interior hexagonal screw rods again, thereby line position connecting plate 81 is fixed on the line position cover 82, and be positioned at the right-hand of line position cover 82.
See Figure 26, pull bar 83 has 3.The left end 83-1 of each root pull bar 83 is provided with external screw thread, and its size and screw thread match with the pull bar screw 32-1 of contract piece 3.The tie rod hole 81-1 of the tie rod hole 61-2 of the diameter of pull bar 83 main bar sections and the tie rod hole 13-4 of fixed head 13, mount pad 61, the tie rod hole 63-2 of limiting plate 63 and line position connecting plate 81 is all corresponding.The left part bar section of pull bar 83 is along being circumferentially with the annular groove 83-2 that the cross section is minor arc shape, and the size of the arc in its cross section is identical with the annular groove 11-4 of holder 11.The right-hand member of each pull bar 83 comprises convex shoulder 83-3 and is provided with externally threaded right-hand member head 83-4 for being fixedly connected with section.See Fig. 1, after 3 pull bar 83 left ends passed respectively the corresponding tie rod hole of fixed head 13, limiting plate 63 and mount pad 61 successively, screw thread was fixed on the contract piece 3 in a corresponding pull bar screw 32-1 of contract piece 3 thereby screwed by its left end 83-1; Each pull bar 83 is connected to horizontally slip with mount pad with fixed head 13, limiting plate 63 and is connected; 3 pull bars 83 are passed respectively a corresponding tie rod hole 81-1 of line position connecting plate 81 from left to right by its right-hand member head 83-4, and are contacted with the left side of line position connecting plate 81 by the right side of its convex shoulder 83-3, screw a locking nut at right-hand member head 83-4 again.
The demolding mechanism for flaring of the flared pipe fitting of present embodiment in use; finished by the progressive die position of Fig. 1 when carrying out demoulding action after the manufacturing of flared pipe fitting; line position connecting plate 81 is fixedly connected with the power output of oil cylinder by its line position connecting hole 81-2; moved right by its power output pulling line position connecting plate 81 by oil cylinder; line position connecting plate 81 shackle rods 83 and line position cover 82 move right; pull bar 83 transmission contract pieces 3 move right; 3 of contract pieces move right with respect to water core 21 and holder 11 and contract plate 5; 3 valvula pieces 41 are stopped by the left side of the second step 11-1-2 of the holder 11 on right side owing to its shoulder block 41-2; therefore contract piece 3 is when moving right; so that the corresponding valvula piece 41 on its each lobe block 31-1 is moved along retaining groove 9 to the inside by its shoulder block 41-2; until the left part inboard of 3 valvula pieces 41 is labelled on the water core 21, the shoulder block 41-2 of 3 valvula pieces 41 all breaks away from and stops groove 9 (Figure 27).Oil cylinder continues pulling line position connecting plate 81 and moves right, so that pull bar 83 drives contract piece 3 and 3 valvula pieces 41 continue to move right (Figure 28).When contract piece 3 moves right to the upper mount pad 61 of its right side applying, 3 pull bars 83 move right when all in the same plane on left and right directions with a corresponding ball hole 61-3 of mount pad 61 to its annular groove 83-2, contract piece 3 begins to drive mount pad 61 and moves right, ball 7 is subject to mount pad 61 to its thrust to the right, under the effect of the annular groove 11-4 of holder 11, what the thrust to the right of 61 pairs of balls 7 of mount pad produced is pressed into the part of ball 7 in the annular groove 83-2 of pull bar 83 (Figure 29) gradually along mount pad 61 component radially.Pull bar 83 continues to move right, mount pad 61 and limiting plate 63 move right under the effect of contract piece 3, mount pad 61 is so that the outside of each ball 7 breaks away from the annular groove 11-4 of holder 11 on the one hand, driving 3 blocks of contract plates 5 by mount pad 61 by contiguous block 62 on the other hand moves right, moving right so that 3 large lobe pieces 42 have the trend that contract plate 5 together moves right of following of 3 blocks of contract plates 5, the left side of the second step 11-1-2 of the connector portions 11-1 of seat 11 stops because the right side of the shoulder block 42-2 of each large lobe piece 42 is fixed, so under the effect of the accordingly oblique slip of the lobe piece connecting portion 51 of contract plate 5, each large lobe piece 42 is forced to inwardly move along retaining groove 9, until its left part inboard is labelled on the water core 21, the limiting plate 63 of this moment just in time moves to the left (Figure 30) of fixed head 13.Then oil cylinder drives whole demolding mechanism for flaring by its power output by line position connecting plate 81 and moves right a segment distance, at this moment, because the right side of contract piece 3 contacts with the left side of mount pad 61, so line position connecting plate 81 is when drive line position cover 82 together moves right, also drive successively contract piece 3 by 3 pull bars 83, mount pad 61, limiting plate 63, fixed head 13 together moves right, again by fixed head 13 when driving successively holder 11 and line position die 12 and moving right, also drive successively water core 21 by locating ring 22 and line position mold insert 40 moves right; In addition, along with moving right of mount pad 61, mount pad 61 drives contract plate 5 by contiguous block 62 and interior hexagonal screw rod and moves right simultaneously, because each large lobe piece 42 interlocking on corresponding contract plate 5 with and the left side of shoulder block 42-2 contact with line position die 12, so each large lobe piece 42 follows contract plate 5 and line position die 12 together moves right; And each valvula piece 41 is because interlocking on contract piece 3, together moves right so follow contract piece 3.Oil cylinder drives whole demolding mechanism for flaring by its power output by line position connecting plate 81 and moves right until line position mold insert 40 moves right to demoulding position with water core 21, and demolding mechanism for flaring is finished whole knockout course.
When the demolding mechanism for flaring of the flared pipe fitting of present embodiment carries out mould assembling action at whole mold system, only need the power output of oil cylinder to playback to original position and get final product.Such as Figure 30, promote line position connecting plate 81 to left movement by oil cylinder by its power output, 3 pull bars 83 of line position connecting plate 81 transmissions and line position cover 82 is to left movement, and 3 pull bar 83 transmission contract pieces 3 are to left movement, 3 valvula pieces 41 under the driving of contract piece 3 also to left movement.Simultaneously mount pad 61 and limiting plate 63 by the driving of each root pull bar 83 by corresponding ball 7 to left movement, then 3 blocks of contract plates 5 under the driving of limiting plate 63, contiguous block 62 and installing plate 61 also to left movement, 3 large lobe pieces 42 are stopped by the step at the stepped hole 12-2 place of the line position die 12 in left side owing to its shoulder block 42-2, therefore three blocks of contract plates 5 are in left movement, so that the corresponding large lobe piece 42 on its lobe piece connecting portion 51 is moved along retaining groove 9 laterally by its shoulder block 42-2.Until the outside of the neck in the shoulder block 42-2 of 3 large lobe pieces 42 left side is with till the inwall at the shoulder hole 12-2 place of line position die 12 contacts, at this moment, mount pad 61 moves to mount pad 61 left under the driving of 3 pull bars 83 and 3 balls 73 ball hole 61-3 all with the annular groove 11-4 of holder 11 (Figure 29) in the same plane on left and right directions, the ball 7 of this moment is subject to pull bar 83 to its thrust left, under the effect of the annular groove 83-2 of pull bar 83, what the thrust left of 83 pairs of balls 7 of pull bar produced is pressed in the annular groove 11-4 of holder 11 gradually along the part of mount pad 61 component radially with ball 7, then pull bar 83 breaks away from and is connected with the power of ball 7 and only promotes contract piece 3 and valvula piece 41 to left movement (Figure 28), and mount pad 61, contiguous block 62, limiting plate 63,3 balls 7,3 blocks of contract plates 5 and 3 42 of large lobe pieces stop to left movement.Along with the continuation of pull bar 83 to left movement; 3 valvula pieces 41 stop to left movement owing to its shoulder block 41-2 is blocked by retaining groove 9; corresponding each lobe block 31-1 of contract piece 3 then promotes corresponding 1 valvula piece 41 and moves laterally along retaining groove 9; until the outside of the neck in the shoulder block 41-2 of 3 valvula pieces 41 left side is with till the inwall at the shoulder hole 12-2 place of line position die 12 contacts; 82 in the line position cover of this moment moves to its left surface contact with the right side of the connector portions 11-1 of holder 11 (Fig. 1) left; then driving whole demolding mechanism for flaring by its power output by line position connecting plate 81 by oil cylinder continues to left movement one segment distance; until line position mold insert 40 moves to the progressive die position left with water core 21, demolding mechanism for flaring is finished whole progressive die process.
The demolding mechanism for flaring of the flared pipe fitting of present embodiment in use; cooling water is arranged all the time in circulation in the cooling-water duct medium pore 21-3 of water core 21 and the cooling-water duct 13-3 of fixed head 13, can accelerate the cooling velocity of flared pipe fitting and help the heat radiation of whole demolding mechanism for flaring.
(application examples 1)
See Figure 31 and Figure 32; plastic flared tube mfg. moulding die that should use-case is the mfg. moulding die of one two logical flared pipe fitting, comprise front mould A1, rear mold B1, be mouth C1, thimble B2,2 line position way block B3,2 line position baffle plate B4,2 locating ring B5,2 contract ring A2,4 press strips and about the demolding mechanism for flaring of 2 flared pipe fittings.The demolding mechanism for flaring of flared pipe fitting is obtained by embodiment 1.
Arrange before and after front mould A1 and the rear mold B1.Be equipped with the cooling duct in front mould A1 and the rear mold B1.
Contract ring A2 is the ring-like steel integral piece of semicircle, and its internal diameter is corresponding with the diameter of the stopper slot 82-1 of line position cover 82, and its axis is identical with the axis of line position cover 82.2 contract ring A2 verticals are arranged on the front mould A1 and are positioned at the relevant position of the left and right sides of front mould A1.
Thimble B2 front and back are to the central authorities that are arranged on rear mold B1.
2 line position way block B3 are the tubular steel integral piece of semicolumn, and the diameter at the periphery rear portion of the line position cover 82 of its internal diameter and the demolding mechanism for flaring of flared pipe fitting is corresponding, and length is 2 times of length of whole demolding mechanism for flaring.
2 locating ring B5 are the ring-like steel integral piece of semicircle, and its internal diameter matches with the external diameter of line position way block B3.2 locating ring B5 are fixed on respectively the two ends, the left and right sides of rear mold B1 by securing member.
The end of 2 line position way block B3 is separately fixed on the corresponding locating ring B5 by welding, then 2 line position way block B3 lay respectively at rear mold B1 about two sides.The other end of 2 line position way block B3 is supported by pedestal.
1 line position baffle plate B4 is arranged on the left end of the line position way block B3 of left, and other 1 line position baffle plate B4 is arranged on the right-hand member of right-hand line position way block B3.
1 demolding mechanism for flaring is placed in the line position way block B3 of left by its rear portion cooperation, and 1 demolding mechanism for flaring is placed in right-hand line position way block B3 by its rear portion cooperation in addition.
Press strip has 4, and the radial depth sum of the thickness of its radial dimension and line position way block B3 and each guide groove of demolding mechanism for flaring is corresponding.Article 2, press strip is fixed in the upper and rear mold B1 of the up and down two ends edge B3-1 of line position way block B3 of left by securing member respectively; and be stuck in the respective guide slots of demolding mechanism for flaring of left; thereby the demolding mechanism for flaring to left is spacing, and on the press strip of demolding mechanism for flaring load-bearing below being positioned at of left.2 press strips are fixed in the upper rear mold B1 of reaching of up and down two ends edge B3-1 of right-hand line position way block B3 by securing member respectively in addition; and be stuck in the respective guide slots of right-hand demolding mechanism for flaring; thereby spacing to right-hand demolding mechanism for flaring, and on right-hand press strip of demolding mechanism for flaring load-bearing below being positioned at.
Be to the central authorities that are arranged on front mould before and after the mouth C1.
Line position die 2, line position punch 4 by front mould A1, rear mold B1 and 2 demolding mechanism for flarings consist of mold base D1.
Still see Figure 31 and Figure 32, should use-case in, the demolding mechanism for flaring that is arranged in the figure left is No. 75 demolding mechanism for flarings, being arranged in right-hand demolding mechanism for flaring of figure is No. 63 demolding mechanism for flarings.When plastic flared tube mfg. moulding die that should use-case uses, need to be connected with injection machine.Such as Figure 31 and Figure 32; the plastic flared tube mfg. moulding die of this moment is in the matched moulds state; by injection machine by being that mouth C1 injects raw material in mold base D1; front mould A1; rear mold B1 and 2 logical recirculated cooling waters in cooling duct that demolding mechanism for flaring is interior; wait inject raw material complete and the cooling a period of time after; open front mould A1 by injection machine; driven the respectively demoulding of demolding mechanism for flaring of both sides by the oil cylinder of injection machine; 2 demolding mechanism for flarings move up to separately line position baffle plate B4 place along press strip at right and left in corresponding line position way block B3; the 63-75 flared pipe fitting that then will be formed in mold base D1 by injection machine control driving thimble B2 ejects, and finishes whole injection moulding production process.When carrying out the production of next pipe fitting; the demolding mechanism for flaring that is driven respectively both sides by the oil cylinder of injection machine is replied to the progressive die position; drive front mould A1 by injection machine and reply to the matched moulds position, continuation by being that mouth C1 injects raw material in mold base D1, begins injection moulding by injection machine.
Plastic flared tube mfg. moulding die that should use-case has only been showed the flared pipe fitting that a kind of reducing two is logical; also can according to making the structure that requires to change mould, reach the flared pipe fitting with footpath, reducing etc. at relevant position increase demolding mechanism for flaring production threeway, four-way.
Claims (6)
1. the demolding mechanism for flaring of a flared pipe fitting comprises holder (11), line position die (12), fixed head (13), line position punch (4), line position connecting plate (81) and 2 to 4 pull bars (83), it is characterized in that:
Also comprise the ball (7) that water core (21), contract piece (3), 2 to 4 blocks of contract plates (5), mount pad (61), line position cover (82) and quantity are identical with the quantity of pull bar (83);
Contract piece (3) is a steel integral piece that is provided with medium pore (33), its left part (31) basic configuration is that Rotary-table, right part (32) basic configuration are cylinder, and line is arranged with contract board slot (34) about the quantity perforation contract piece (3) identical with the quantity of contract plate (5) centered by the axis of medium pore (33); The left part (31) of contract piece (3) is provided with the lobe block (31-1) that is positioned between the adjacent contract board slot (34), thereby the quantity of lobe block (31-1) is identical with the quantity of contract board slot (34); Each lobe block (31-1) is symmetrical arranged with respect to the center line of contract piece (3);
The outside left part of each piece contract plate (5) is for being provided with the ramp structure of lobe piece connecting portion (51), each piece contract plate (5) is slidingly connected in the corresponding contract board slot (34) of contract piece (3) by its inside line, and with respect to contract piece (5) at the right and left upward sliding;
Line position punch (4) comprises line position mold insert (40), valvula piece (41) and large lobe piece (42), the quantity of valvula piece (41) and large lobe piece (42) all quantity with the contract board slot (34) of contract piece (3) is identical, and valvula piece (41) and greatly space setting between the lobe piece (42); Each valvula piece (41) is slidingly connected on corresponding 1 lobe block (31-1) of contract piece (3), and the angle of cut between the relative sliding direction of each valvula piece (41) and contract piece (3) and the center line of contract piece (5) is all identical, and angular range is 15 to 30 degree; Each large lobe piece (42) is slidingly connected on the lobe piece connecting portion (51) of a corresponding contract plate (5), and the angle of cut between the relative sliding direction of each large lobe piece (42) and contract plate (5) and the center line of contract piece (5) is all identical, and angular range is 15 to 30 degree;
Water core (21) comprises shaft (21-2) and is connected to the core print (21-1) in shaft left side; Medium pore (21-3) about water core (21) also is provided with cooling-water duct and runs through, the airtight plug that is fixed with in the two ends of medium pore (21-3); It is upper and horizontally slip with water core (21) and to be connected that contract piece (3) is enclosed within the shaft (21-2) of water core (21) by its medium pore (33); Line position mold insert (40) is fixedly mounted on the core print (21-1) of water core (21);
Mount pad (61) is provided with medium pore (61-1) tie rod hole (61-2) identical with pull bar quantity with quantity vertically, also radially is provided with the quantity ball hole (61-3) identical with ball quantity; One end of ball hole (61-3) communicates with the external world, and the other end communicates with a corresponding tie rod hole (61-2); Each ball (7) is arranged in the corresponding ball hole (61-3); Mount pad (61) is upper by the shaft (21-2) that its medium pore (61-1) is enclosed within water core (21), horizontally slipping with water core (21) is connected, mount pad (61) is positioned at the right side of each piece contract plate (5), and each piece contract plate (5) is limited with respect to mount pad (61);
Holder (11) is a steel integral piece that is provided with medium pore (11-3), comprise the connector portions (11-1) that is positioned at the left side and the body (11-2) that is positioned at the right side, the edge is circumferentially with the annular groove (11-4) that the cross section is minor arc shape on the inwall of body (11-2); Holder (11) is enclosed within on contract piece (3), each piece contract plate (5) and the mount pad (61) by its medium pore (11-3);
Fixed head (13) is provided with medium pore (13-1) tie rod hole (13-3) identical with pull bar quantity with quantity vertically, fixed head (13) is fixed on the holder (11) from right-hand, fixed head (13) is enclosed within on the shaft (21-2) of water core (21) by its medium pore (13-1), and be fixedly connected with water core (21), and fixed head (13) is positioned at the right-hand of mount pad (61);
The left end (83-1) of each root pull bar (83) is provided with external screw thread, and the left part bar section of pull bar (83) is provided with the annular groove (83-2) that the cross section is minor arc shape; The left end of each pull bar (83) is fixed on the contract piece (3) from right-hand screw thread after passing successively the corresponding tie rod hole of fixed head (13) and mount pad (61); Each pull bar (83) is connected 61 with fixed head (13) with mount pad) horizontally slipping is connected;
Line position die (12) is for having the steel integral piece of medium pore, the left part of medium pore is die cavity (12-1), the internal diameter of die cavity (12-1) left end is maximum and dwindle step by step from left to right, and line position die (12) is fixed on the holder (11) from left;
Line position cover (82) is the steel integral piece; Line position cover (82) be provided with the stopper slot (82-1) that is positioned at outer periphery and be positioned at the outside about to guide groove (82-2);
Line position cover (82) is enclosed within on the holder (11) from right-hand, and horizontally slips with holder (11) and to be connected;
Line position connecting plate (81) is provided with the quantity tie rod hole (81-1) identical with pull bar (83) quantity vertically, also is provided with the position that links to each other with the power output of oil cylinder when using; Line position connecting plate (81) is fixed on the line position cover (82) from right-hand, and the right-hand member of each root pull bar (83) is fixed on the line position connecting plate (81).
2. the demolding mechanism for flaring of flared pipe fitting according to claim 1, it is characterized in that: the inwall that the medium pore (11-3) of described holder (11) is located is provided with 3 axial rectangular through slot (11-5), 3 rectangular through slot (11-5) setting that is centrosymmetric; The quantity of contract plate (5) has 3, then the quantity of the lobe block (31-1) of contract piece (3) and contract board slot (31-2) also is 3, and correspondingly the quantity of the valvula piece (41) of line position punch (4) and large lobe piece (42) also all is 3; The middle part in the outside of each piece contract plate (5) and right part stretch in corresponding 1 rectangular through slot (11-5) of holder (11), and each piece contract plate (5) horizontally slips with holder (11) by the rectangular through slot (11-5) of holder (11) and is connected.
3. the demolding mechanism for flaring of flared pipe fitting according to claim 1, it is characterized in that: the external diameter of line position die (12) is identical with the external diameter of the connector portions (11-1) of holder (11), and the external diameter of connector portions (11-1) is identical with the external diameter of line position cover (82); Be divided into upper side guidance and lower side guidance to guide groove (82-2) about line position cover (82), the outside of the connector portions (11-1) of holder (11) also correspondence is provided with upper and lower side guidance (11-5), and the outside of line position die (12) also correspondence is provided with upper and lower side guidance (12-3); The outside of line position connecting plate (81) also correspondence is provided with upper and lower side guidance (81-4).
4. the demolding mechanism for flaring of flared pipe fitting according to claim 2, it is characterized in that: the right part of the medium pore of line position die (12) is shoulder hole (12-2); Form between the shoulder hole (12-2) of line position die (12) and the left side of holder (11) and stop groove (9); The lobe block (31-1) of described contract piece (3) is T-shaped block; The inboard of valvula piece (41) is provided with T-slot (41-1); Valvula piece (41) is enclosed within by its T-slot (41-1) on T-shaped of corresponding 1 lobe block (31-1) of contract piece (3), and with oblique being slidingly connected in contract piece (3) left and right sides; The outside of valvula piece (41) left part is the part of the inwall of composition line position punch (4), and the right part of valvula piece (41) is shoulder block (41-2); The center of the left part inboard of valvula piece (41) is to the external diameter sum of the shaft (21-2) of the outermost radial distance of shoulder block (41-2) and water core (21) radius less than the medium pore (11-3) of holder (11), thereby at valvula piece (41) during with respect to the oblique slip in contract piece (3) left and right sides, its shoulder block (41-2) radially moves to the inside and leaves and stops groove (9) or radially move laterally and stretch into and stop in the groove (9);
The lobe piece connecting portion (51) of contract plate (5) is T-shaped block; The inboard of large lobe piece (42) is provided with T-shaped groove (42-1); Large lobe piece (42) is enclosed within by its T-slot (42-1) on T-shaped of corresponding 1 lobe piece connecting portion (51) of contract plate (5), and with oblique being slidingly connected in contract plate (5) left and right sides; The outside of large lobe piece (42) left part is the part of the inwall of composition line position punch (4), and the right part of large lobe piece (42) is shoulder block (42-2); The center of the left part inboard of large lobe piece (42) is to the external diameter sum of the shaft (21-2) of the outermost radial distance of shoulder block (42-2) and water core (21) radius greater than the medium pore (11-3) of holder (11), thereby large lobe piece (42) with respect to contract plate (5) to left in the oblique slip, when its shoulder block (42-2) radially moved to the inside, its radially maximum position was still stayed and is stopped in the groove (9).
5. the demolding mechanism for flaring of a kind of flared pipe fitting according to claim 2 is characterized in that: also comprise limiting plate (63) and 3 contiguous blocks (62);
Limiting plate (63) is provided with medium pore (63-1) the axial tie rod hole (63-2) identical with pull bar quantity with quantity vertically, and each tie rod hole (63-2) is with respect to the setting that is centrosymmetric of the axis of the medium pore of limiting plate (63); Limiting plate (63) is enclosed within by its medium pore (63-1) on the shaft (21-2) of water core (21), and horizontally slipping with water core (21) is connected, and is fixedly connected on the mount pad (61) from right-hand; Also be enclosed within outside the corresponding pull bar (83) by its tie rod hole (63-2), be connected and horizontally slip with pull bar (83);
The contract board slot (61-5) that mount pad (61) also is provided with 3 mounting grooves (61-4) and communicates at left and right directions with each mounting groove (61-4), and the circumferential size of mounting groove (61-4) is greater than contract board slot (61-5) circumferential size; Each contiguous block (62) is arranged in the corresponding mounting groove (61-4) of mount pad (61); The right-hand member of each piece contract plate (5) is arranged in the corresponding contract board slot (61-5), and be provided with towards right-hand screw, the connecting hole that passes contiguous block (62) by screw screws the right-hand member in contract plate (5), thereby mount pad (61) is by contiguous block (62) and limiting plate (63) and mutually spacing on left and right directions with each piece contract plate (5).
6. according to claim 1 to the demolding mechanism for flaring of one of 5 described a kind of flared pipe fittings, it is characterized in that: the position that links to each other with the power output of oil cylinder during the use of line position connecting plate (81) is a line position connecting hole (81-2) that is arranged on plate body central authorities;
Pull bar (83) has 3, thereby the tie rod hole on line position connecting plate (81), fixed head (13), limiting plate (63) and the mount pad (61) also all is 3, and the ball hole (61-3) on the mount pad (61) also is 3;
The right-hand member of each pull bar (83) comprises convex shoulder (83-3) and is provided with externally threaded right-hand member head (83-4) for being fixedly connected with section; The right-hand member head (83-4) of 3 pull bars (83) passes a corresponding tie rod hole (81-1) of line position connecting plate (81) from left to right, and contacted with the left side of line position connecting plate (81) by the right side of its convex shoulder (83-3), screw a upper locking nut at right-hand member head (83-4) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910309932 CN102059782B (en) | 2009-11-18 | 2009-11-18 | Flaring demolding mechanism for flaring pipe fitting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910309932 CN102059782B (en) | 2009-11-18 | 2009-11-18 | Flaring demolding mechanism for flaring pipe fitting |
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| CN102059782A CN102059782A (en) | 2011-05-18 |
| CN102059782B true CN102059782B (en) | 2013-04-17 |
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| CN 200910309932 Active CN102059782B (en) | 2009-11-18 | 2009-11-18 | Flaring demolding mechanism for flaring pipe fitting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107736707B (en) * | 2017-11-17 | 2024-04-09 | 东莞市茂中精密五金有限公司 | Umbrella inlaying type row position structure |
| CN108638722B (en) * | 2018-07-24 | 2024-02-09 | 山东招金金银精炼有限公司 | Metal souvenir medal surface imprinting system and method |
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| US4113829A (en) * | 1976-02-09 | 1978-09-12 | Philips Industries Inc. | Method of forming a bell end on thermoplastic pipe |
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Address after: 213136 Xinbei Airport Industrial Park, Jiangsu, Changzhou Patentee after: Wahson Pipeline Technology Co Ltd Address before: 213136 Jiangsu province Changzhou City New District Airport Industrial Park Road No. 9 Wang Patentee before: Jiangsu Huasheng Plastic Co., Ltd. |
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