CN110328811B - Novel injection mold for demolding of umbrella frame ejector sleeve top needle of semi-overflow injection mold - Google Patents
Novel injection mold for demolding of umbrella frame ejector sleeve top needle of semi-overflow injection mold Download PDFInfo
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- CN110328811B CN110328811B CN201910790716.9A CN201910790716A CN110328811B CN 110328811 B CN110328811 B CN 110328811B CN 201910790716 A CN201910790716 A CN 201910790716A CN 110328811 B CN110328811 B CN 110328811B
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- 238000002347 injection Methods 0.000 title claims abstract description 41
- 239000007924 injection Substances 0.000 title claims abstract description 41
- 238000001746 injection moulding Methods 0.000 claims abstract description 32
- 238000000465 moulding Methods 0.000 claims abstract description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 19
- 238000003825 pressing Methods 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 6
- 229920001169 thermoplastic Polymers 0.000 abstract description 6
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 4
- 239000002893 slag Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 10
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- 229920003023 plastic Polymers 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000000741 silica gel Substances 0.000 description 8
- 229910002027 silica gel Inorganic materials 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 3
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- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/70—Maintenance
- B29C33/72—Cleaning
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a novel injection mold for demolding an umbrella frame ejector sleeve thimble of a semi-overflow injection mold, which structurally comprises: the invention realizes the cutting and pushing effect of a longitudinal edge of a smooth surface lifted by a disc belt blade by matching the semi-overflow umbrella stand device and the molding press cover, forms a pressing and sticking boring cutter homogeneous caking surface on the edge of a pouring gate, supports a semi-overflow pouring gate by matching with a side wrapping and clamping ball bar stand inside an inverted trapezoid groove body, and performs frame opening wrapping and pressing on an injection mold through a wrapping and clamping frame ring, so that the mold has uniform internal flow of thermoplastic liquid during injection molding, the deformation quantity of large caking and supporting in the later period is low, the damage probability of the internal diameter of a passage inside the mold is reduced, and the slag block discharged from the mold is cleaned and pushed while the inner cavity of the mold is maintained.
Description
Technical Field
The invention discloses a novel injection mold for demolding an umbrella frame ejector sleeve thimble of a semi-overflow injection mold, and belongs to the field of molds.
Background
Injection mold is the comparatively general usage of lower mould machine-shaping, sparingly the template bulldozes from top to bottom, and after the design of self-closing inner chamber cell surface template, only need pour thermoplastic liquid get into the inner chamber and be sufficient after, in the cooling can, seamless concatenation's mould, it is efficient to mould, and the flaw probability reduces, and the quality is ensured, and the public shortcoming of treating the optimization of prior art has:
in the hot runner and the cooling runner of the semi-overflow injection mold, the runner bonding phenomenon can occur when the mold is injected, the butt joint end of a runner port and an inner groove of the mold becomes connected to form a block to be blocked, the bonded block can be cracked in the pushing-up process of a thimble in later demolding, cracks are uneven, the semi-ring frame port is bent by the blocked block, the inner diameter of the butt joint port edge is outwards turned, the connection injection molding later stage of a runner can be excessively accumulated, the pressure applying degree of demolding after processing molding is superposed again, internal pressure loss is caused to the runner port, plates and channels in the mold are continuously consumed, the injection molding caking amount is influenced, the injection molding caking amount is also changed, the integral protruding block of the mold is large, and the demoulding caking cracks are uneven.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a novel injection mold for demolding an umbrella stand ejector pin of a semi-overflow injection mold, so as to solve the problems that in a hot runner and a cooling runner of the semi-overflow injection mold, the injection molding of the mold can cause the adhesion phenomenon of the runner, which causes the butt joint end of the runner port and the inner groove of the mold to become a connecting block to be blocked, in the thimble push-up in-process of later stage drawing of patterns, can be to bonding piece top fracture, and the crackle is uneven, cause to block up the piece and press the half ring frame mouth of bending, cause to turn up the internal diameter of strutting to the interface border, make the connection of watering to mould plastics the later stage and can be excessive and pile up, let the degree of exerting pressure of drawing of patterns after the machine-shaping superpose again, the internal pressure loss runner mouth, plate and passageway in the continuous consumption mould, influence the injection volume and also change injection moulding caking volume, it is big to make the whole outstanding piece of mould, cause the inhomogeneous problem of demolding caking crackle again.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a novel injection mold of umbrella stand department section of thick bamboo thimble drawing of patterns of half excessive formula injection mold, its structure includes: the semi-overflow umbrella stand device comprises a piston cylinder, a hydraulic square frame, a semi-overflow umbrella stand device, a plastic pressing cover, interlocking pin rods, parting surface plates and a demoulding spring groove seat, wherein the semi-overflow umbrella stand device is mechanically connected with the demoulding spring groove seat, the semi-overflow umbrella stand device is arranged on the top of the parting surface plates, the parting surface plates are nested on the top surface of the demoulding spring groove seat, the interlocking pin rods are four and are respectively inserted and embedded on four corners of the parting surface plates, the plastic pressing cover is nested on the top of the semi-overflow umbrella stand device, the semi-overflow umbrella stand device is arranged inside the hydraulic square frame and is positioned on the same horizontal plane, the piston cylinder is mechanically connected with the semi-overflow umbrella stand device, and the semi-overflow umbrella stand device is provided with a runner pipe, a top template groove, a square shell groove, an inner cavity injection molding chamber, an umbrella stand thimble disc, a package clamping ball rod frame, an inverted trapezoid groove body, a barrel seat and a thimble sleeve, the utility model discloses a set of umbrella stand, including top template groove, runner pipe, bag, cover, and cover, top template groove installs in the inside of the interior chamber of moulding plastics, the interior chamber of moulding plastics is as an organic whole with four directions shell groove structure and be in on same horizontal plane, the runner pipe is equipped with two and inserts respectively and inlay the left and right sides at the interior chamber of moulding plastics, the package presss from both sides the ball-bar rack and is equipped with two and inserts respectively and inlays the left and right sides in falling the inside of trapezoidal cell body, it is nested integrative with the department's barrel holder to fall trapezoidal cell body, fall the trapezoidal cell body and install under the bottom of the interior chamber of moulding plastics, the umbrella stand thimble dish nestification is on thimble sheathed tube's top, the thimble sleeve pipe is inserted and.
In order to optimize the technical scheme, the method further comprises the following steps:
as a further improvement of the invention, the umbrella frame thimble plate consists of a shear bend, a fin slot plate and a base disc, the shear bend is buckled with the fin slot plate, and the shear bend and the fin slot plate are both arranged on the front side of the base disc and are positioned on the same vertical plane.
As a further improvement of the invention, the shear bend is composed of a triangular convex block, an inner bend cavity, a spring wire and a shear inclined column block, the spring wire is mechanically connected with the shear inclined column block, the spring wire and the shear inclined column block are both arranged inside the inner bend cavity, and the triangular convex block and the inner bend cavity are in interference fit.
As a further improvement of the invention, the fin slot plate consists of a thin fin arc plate, a shaft through hole and a square lining groove, the shaft through hole and the square lining groove are of an integral structure and are communicated with each other, and the thin fin arc plate is inserted and embedded on the left side of the square lining groove and is positioned on the same horizontal plane.
As a further improvement of the invention, the ball clamping rod frame consists of a clamping frame ring, an inclined support rod, a solid ball cap block and a ball shaft groove, wherein the clamping frame ring is nested on the top of the inclined support rod, the solid ball cap block is welded at the bottom of the inclined support rod, and the inclined support rod is in clearance fit with the ball shaft groove through the solid ball cap block.
As a further improvement of the invention, the wrapping and clamping frame ring consists of a frame ring block, a fan plate semispherical cover and a silica gel inner backing ring, wherein the silica gel inner backing ring and the frame ring block are nested into a whole and are positioned on the same vertical plane, and the two fan plate semispherical covers are respectively arranged at the upper side and the lower side in the frame ring block.
As a further improvement of the invention, the thimble sleeve consists of a needle point wheel ring, a threaded shaft column and a torsion spring sleeve, wherein the needle point wheel ring is nested on the top of the threaded shaft column, the axes of the needle point wheel ring and the threaded shaft column are collinear, and the threaded shaft column is nested inside the axis of the torsion spring sleeve.
As a further improvement of the invention, the triangular lug is a conical base block structure with a narrow top and a wide bottom and isosceles two sides, the deformation and twisting pressure of the pipe body are in an elastic state through folding and unfolding of the umbrella stand, the twisting loss of the corner joints of the pipe body is reduced for a long time through the protection of the triangular lug, and the working efficiency of the pipe body is protected.
As a further improvement of the invention, the thin fin arc plate is a fin plate structure with a sharp left side, a thin left side and a thick right side, the fin is unfolded to be umbrella-shaped through a fin rotary inclined plane to abut against a base of an injection molding part, and then the thin fin arc plate is matched with a shaver to flatten, rotate and scrape off a caking place, so that the material is demoulded, high in quality and fine.
As a further improvement of the invention, the fan plate semispherical cover is a composite plate cover structure with the semispherical inner covers alternately overlapping the narrow fan plates, the deformation tightening effect of a sprue frame is formed by plates with alternate thicknesses, the size measurement is stable, and the clamping pressure of the inner diameter deformation coefficient cover is low.
As a further improvement of the invention, the torsion spring sleeve is in a wide-diameter column barrel structure with an inclined forty-five-degree spiral ring pipe, and an inner core support effect of bearing pressure up and down is formed by the threaded engagement of the inner barrel wall with the column rod and then the outer spiral spring pipe, so that the high efficiency of the coaxial core propelling rotation precision is ensured.
Advantageous effects
The invention relates to a novel injection mold for demolding an umbrella frame ejector pin of a semi-overflow injection mold, which is characterized in that a worker introduces thermoplastic liquid into a piston cylinder, enters a square shell groove and the inside of an injection inner cavity through a runner pipe of a hydraulic square frame lock semi-overflow umbrella frame device, covers a top template plate through a molding gland cover to form a hot-pouring injection operation, inserts an interlocking bolt rod to form interlocking between a split surface plate and a demolding spring groove seat, injects condensate to form cooling molding, finally enables a triangular lug to abut against an inner bending cavity through a shear bent pipe of an umbrella frame ejector pin disc in the semi-overflow injection mold to rub and increase the internal pressure to enable a spring wire and a shear inclined column block to form stretching and extending, ensures that a thin fin arc plate of a fin slot plate abuts against a square lining groove at the front position, is convenient for a base disc to form a cone disc umbrella frame to lift an injection molding piece, ensures that a sliding shaving edge of a disc surface forms slag blocks during demolding, the inverted trapezoidal groove body and the ejector sleeve seat are pressed up and down under the rotation of the needle point wheel ring of the ejector sleeve and the threaded shaft column to form a lifting ejector pin effect for the torsion spring sleeve, the ejector sleeve is butted to have a coaxial core propelling force to be dispersed to the umbrella body, a flow channel sprue is protected by a wrapping and clamping frame ring of a wrapping and clamping ball rod frame, a frame ring block and a silica gel inner cushion ring are fastened to a frame opening to tighten the size, the sector plate and half-ball cover half-wrapping type maintenance injection molding inner pipeline is also ensured, an inclined support rod inclined support flow channel is made to roll through the friction of a gap between a rear solid spherical cap block and a ball shaft groove, the fine adjustment effect of a side wing support is achieved, the maintenance of a mold inner environment forming part is ensured, the demolding is also ensured to be rapid, and the injection molding part has a disc face umbrella frame lifting operation effect for the half-spill injection mold processing.
The invention has the following advantages after operation:
the semi-overflow umbrella stand device is matched with the plastic pressing cover, the plastic pressing cover is inserted into the ejector sleeve seat to be connected with an injection inner cavity, an umbrella stand thimble plate is attached to the bottom of a thimble plate groove, a shear bend pipe and a fin clamping groove plate can be extended and folded to form a cutting and pushing effect of a longitudinal edge of a smooth surface lifted by a pizza-shaped fan plate stacking base disc along a disc belt blade, a pressing and sticking boring cutter homogeneous caking surface is formed at the edge of a pouring gate edge to be cut, then the semi-overflow pouring gate is supported by a side wrapping and clamping ball rod frame in the inverted trapezoid groove body, and a frame opening wrapping and pressing is carried out on an injection mold through a wrapping and clamping frame ring, so that the mold has uniform internal flow of thermoplastic liquid, low deformation quantity of large caking support at the later stage, lower damage probability to the inner diameter of a passage of the mold, and the cleaning and pushing of a slagging block discharged from the mold while maintaining the inner cavity of the mold.
Drawings
Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of the embodiments of the invention when taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a novel injection mold for demolding an umbrella stand ejector pin of a semi-spill injection mold according to the present invention.
FIG. 2 is a detailed cross-sectional view of the semi-umbrella frame device of the present invention.
FIG. 3 is a schematic cross-sectional view of the working state of the ball-clamping rod holder and the thimble sleeve according to the present invention.
FIG. 4 is a schematic view of the aerial view structure of the operating state of the umbrella frame thimble dial of the present invention.
FIG. 5 is a schematic cross-sectional view of the shear elbow of the present invention in its operating state.
Fig. 6 is a schematic perspective structural view of the fin neck plate in an operating state according to the present invention.
Fig. 7 is an enlarged cross-sectional structural view of the working state of the retainer ring according to the present invention.
Description of reference numerals: piston column cylinder-1, hydraulic square frame-2, half-overflow umbrella stand device-3, plastic-type pressure cover-4, interlocking bolt rod-5, parting surface plate-6, demoulding spring groove seat-7, runner pipe-3A, top template groove-3B, square shell groove-3C, injection molding inner chamber-3D, umbrella stand thimble plate-3E, clamping ball rod stand-3F, inverted trapezoid groove-3G, barrel holder-3H, thimble sleeve-3I, shear bend-3E 1, fin clamping groove plate-3E 2, base disc-3E 3, triangular bump-3E 11, inner bend cavity-3E 12, spring wire-3E 13, shear oblique column block-3E 14, thin fin arc plate-3E 21, shaft rotation through hole-3E 22, square lining groove-3E 23, The device comprises a wrapping and clamping frame ring-3F 1, an inclined support rod-3F 2, a solid spherical cap block-3F 3, a spherical shaft groove-3F 4, a frame ring block-3F 11, a fan plate semispherical cover-3F 12, a silica gel inner backing ring-3F 13, a needle point wheel ring-3I 1, a threaded shaft column-3I 2 and a torsion spring sleeve-3I 3.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-7, the present invention provides a novel injection mold for demolding an umbrella frame ejector pin of a half-spill injection mold, which comprises: the semi-overflow umbrella stand comprises a piston cylinder 1, a hydraulic square frame 2, a semi-overflow umbrella stand device 3, a molding press cover 4, an interlocking pin rod 5, a parting surface plate 6 and a demolding spring groove seat 7, wherein the semi-overflow umbrella stand device 3 is mechanically connected with the demolding spring groove seat 7, the semi-overflow umbrella stand device 3 is arranged on the top of the parting surface plate 6, the parting surface plate 6 is nested on the top surface of the demolding spring groove seat 7, the interlocking pin rods 5 are four and are respectively inserted and embedded on four corners of the parting surface plate 6, the molding press cover 4 is arranged on the top of the semi-overflow umbrella stand device 3, the semi-overflow umbrella stand device 3 is arranged inside the hydraulic square frame 2 and is positioned on the same horizontal plane, the piston cylinder 1 is mechanically connected with the semi-overflow umbrella stand device 3, the semi-overflow umbrella stand device 3 is provided with a pouring channel pipe 3A, a top mold plate groove 3B, a square shell groove 3C, an injection molding inner cavity 3D, and an injection molding inner cavity 3D, A umbrella stand thimble plate 3E, a ball clamping rod frame 3F, an inverted trapezoidal groove body 3G, a cylinder holder 3H and a thimble sleeve 3I, the top template groove 3B is arranged inside the injection molding inner cavity 3D, the injection molding inner cavity 3D and the square shell groove 3C are of an integral structure and are positioned on the same horizontal plane, the sprue pipe 3A is provided with two sprue pipes which are respectively inserted and embedded at the left side and the right side of the injection molding inner cavity 3D, the ball clamping rod frames 3F are provided with two and are respectively inserted and embedded at the left side and the right side inside the inverted trapezoidal groove body 3G, the inverted trapezoidal groove body 3G and the cylinder seat 3H are nested into a whole, the inverted trapezoidal groove body 3G is arranged under the bottom of the injection molding inner chamber 3D, the umbrella stand thimble plate 3E is nested on the top of the thimble sleeve 3I, the thimble sleeve 3I is inserted in the ejector sleeve seat 3H and the axis is collinear, and the thimble sleeve 3I is mechanically connected with the demoulding spring slot seat 7.
Referring to fig. 4, the umbrella frame thimble plate 3E is composed of a shear bend 3E1, a fin notch plate 3E2, and a base disc 3E3, the shear bend 3E1 and the fin notch plate 3E2 are fastened together, the shear bend 3E1 and the fin notch plate 3E2 are both installed on the front side of the base disc 3E3 and on the same vertical plane, a conical disc bottom is formed by the base disc 3E3, then the top is expanded and protruded by the fin notch plate 3E2 in a telescopic manner, so that the slope of the edge of the disc surface is smooth, the edge blades are scraped upwards to form lumps uniformly, the later demolding gap is large, and the molded injection molding piece is easily taken out.
Referring to fig. 5, the shear elbow 3E1 is composed of a triangular protrusion 3E11, an inner elbow chamber 3E12, a spring wire 3E13, and a shear oblique column block 3E14, the spring wire 3E13 is mechanically connected with the shear oblique column block 3E14, the spring wire 3E13 and the shear oblique column block 3E14 are both installed inside the inner elbow chamber 3E12, the triangular protrusion 3E11 and the inner elbow chamber 3E12 are in interference fit, the triangular protrusion 3E11 is a conical seat block structure with a narrow top and wide bottom and two isosceles sides, the twisting amount of the pipe body is in a loose state by folding and unfolding of the umbrella frame, the shearing loss of the corner nodes at the sides of the pipe body is reduced for a long time by the cushion protection of the triangular protrusion, the working efficiency of the pipe body is protected, the spring wire 3E13 is compressed by the triangular protrusion 3E11 and the double-inclined column block 3E14 to form a twisting-pressing external-supporting and inward-sinking-turning effect, the stability of the umbrella stand when strutting is ensured, the effect of a flexible regulation strengthening rib structure is played.
Referring to fig. 6, the fin slot plate 3E2 is composed of a thin fin arc plate 3E21, a shaft rotation through hole 3E22, and a square lining slot 3E23, the shaft through hole 3E22 and the square lining groove 3E23 are of an integral structure and are communicated with each other, the thin fin arc plate 3E21 is inserted into the left side of the square lining groove 3E23 and is on the same horizontal plane, the thin fin arc plate 3E21 is a fin plate structure with a narrow left edge, a thin left edge and a thick right edge, is unfolded to be umbrella-shaped through a fin rotary inclined surface to abut against a base of an injection molding part, then, the materials are demoulded in a high-quality and delicate mode by being matched with the mode that the caking position is scraped off by a shaver in a smooth and rotary mode, and the thin fin arc plate 3E21 is inserted into the square lining groove 3E23 in a rotary mode to form an umbrella cover erection effect which is crossed, operated and overlapped front and back, so that the uniform stress of an inclined pushing surface is guaranteed, the deflection of the axis of an ejector pin is avoided, and the supporting force of a fixed center is guaranteed to be dispersed to lift objects on the surface.
Referring to fig. 3, the clip ball-bar frame 3F is composed of a clip frame ring 3F1, a diagonal support rod 3F2, a solid ball cap block 3F3, and a ball-axle groove 3F4, the clip frame ring 3F1 is nested on the top of the diagonal support rod 3F2, the solid ball cap block 3F3 is welded on the bottom of the diagonal support rod 3F2, the diagonal support rod 3F2 is in clearance fit with the ball-axle groove 3F4 through the solid ball cap block 3F3, the thimble sleeve 3I is composed of a needle-point wheel ring 3I1, a threaded axle post 3I2, and a torsion spring sleeve 3I3, the needle-point wheel ring 3I1 is nested on the top of the threaded axle post 3I2 and is collinear with the axle center, the threaded axle post 3I2 is nested inside the axle center of the torsion spring sleeve 3I3, the torsion spring sleeve 3I3 is a wide-diameter oblique-degree helical structure, and then an inner-diameter helical-ring-post inner-tube engaging structure is formed by an upper and lower spring-tube inner-tube wall, guarantee that coaxial core impels the gyration precision high-efficient, roll through the oblique bracing piece 3F2 grafting solid spherical cap piece 3F3 sphere, form the effect that the top is surely fastened of skidding in bottom, it is high-efficient to the alignment balance about accepting of base department section of thick bamboo.
Referring to fig. 7, the clamping frame ring 3F1 is composed of a frame ring block 3F11, a fan-shaped semispherical cover 3F12 and a silica gel inner backing ring 3F13, the silica gel inner backing ring 3F13 and the frame ring block 3F11 are nested into a whole and are located on the same vertical plane, two fan-shaped semispherical covers 3F12 are arranged and are respectively installed on the upper side and the lower side inside the frame ring block 3F11, the fan-shaped semispherical cover 3F12 is a composite plate cover structure in which narrow fan plates are alternately stacked in a semispherical shape, a gate frame deformation tightening effect is formed by plates with alternate thickness, the size measurement is stable, the inner diameter deformation coefficient is low, and a gate tightly tightened by the spacer silica gel inner backing ring 3F13 is wrapped by the fan-shaped semispherical cover 3F12 to form a mold release, the effect borne by the stress in a slagging block is ensured, the clamping frame opening is prevented from being pulled and deformed, and the gate chamfer size of the gate is always maintained.
The working process is as follows: a worker introduces thermoplastic liquid into a piston column cylinder 1, enters a square shell groove 3C and the inside of an injection inner cavity 3D through a runner pipe 3A of a hydraulic square frame 2 lock semi-overflow umbrella frame device 3, then covers a top template groove 3B through a molding press cover 4 to form hot-pouring injection molding operation, inserts an interlocking pin rod 5 to interlock a split surface plate 6 and a demolding spring groove seat 7, injects condensate to form cooling molding, finally enables a triangular lug 3E11 to abut against an inner bent pipe cavity 3E12 to increase internal pressure through a shear bent pipe 3E1 of an umbrella frame thimble plate 3E in a semi-overflow injection mold to form stretching and extension for a spring wire 3E13 and a shear oblique column block 3E14, ensures that a thin fin arc plate 3E21 of a fin thimble plate 3E2 abuts against a front square lining groove 3E23, facilitates a base plate 3E3 to form a cone disc umbrella frame supporting and lifting injection molding parts, and ensures that a blade sliding edge of a blade slides along a slag forming block during demolding, the inverted trapezoidal groove body 3G and the ejector sleeve seat 3H are also rotated to vertically pressurize under the needle point wheel ring 3I1 of the ejector sleeve 3I and the threaded shaft column 3I2 to form a lifting ejector pin effect for the torsion spring sleeve 3I3, the ejector sleeve is oppositely propped to have a coaxial core propelling force to be diffused to the umbrella body, the flow channel gate is protected by the wrapping and clamping frame ring 3F1 wrapping and clamping the ball rod frame 3F, the frame ring 3F11 and the silica gel inner cushion ring 3F13 are fastened to the frame mouth, the fastening size is ensured, the half-wrapping type maintenance injection molding inner pipeline of the fan plate half-ball cover 3F12 is also ensured, the inclined support rod 3F2 obliquely supports the flow channel to pass through the gap between the rear solid ball cap block 3F3 and the ball shaft groove 3F4 to achieve the fine adjustment effect of the side wing support, the maintenance component is formed in the mold, the rapidness of demolding is also ensured, and the injection molding component has an umbrella support lifting operation effect for the half-injection molding mold.
The invention uses the mutual combination of the above parts to achieve the purposes that the half-overflow umbrella stand device 3 is matched with the molding press cover 4, the molding press cover 4 and the injection inner chamber 3D are inserted and connected through the cylinder seat 3H, the umbrella stand thimble disc 3E is adhered at the bottom of the top template groove 3B, the shearing force bent pipe 3E1 and the fin clamping groove plate 3E2 can be extended and folded to form the cutting and pushing effect of the longitudinal edge of the smooth surface lifted by the pizza-shaped fan disc laminated base disc 3E3 along the disc belt blade, the edge of the pouring gate edge forms a pressing and sticking boring cutter homogeneous agglomeration surface for cutting, then the edge of the pouring gate is matched with the wrapping ball rod frame 3F at the inner side of the inverted trapezoid groove body 3G to support the half-overflow pouring gate, the frame mouth of the injection mold is wrapped and pressed through the wrapping frame ring 3F1, so that the mold has uniform inner flow of the thermoplastic liquid, large and low later agglomeration support, and the damage probability of the inner diameter of the inner channel of the mold is reduced, the method has the advantages that the problem that in a hot runner and a cooling runner of a semi-overflow injection mold, the phenomenon of runner bonding can occur when the mold is injected, the butt joint end of the runner port and the inner groove of the mold becomes connected to form a block and is blocked, in the pushing-up process of a thimble in the later-stage demolding, the bonded block can be cracked and cracks are uneven, the semi-ring frame opening is bent by the blocking block, the edge of the butt joint opening is outwards turned to open the inner diameter, the later connecting injection molding period of a runner can be excessively accumulated, the pressure applying degree of demolding after machining is superposed again, the runner port is internally pressed to lose, the inner plate and the channel of the mold are continuously consumed, the injection quantity is influenced, the injection molding caking quantity is changed, the integral protruding block of the mold is large, and the problem that the cracks of the demolding block are uneven is solved.
The specific embodiments described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims appended hereto.
Claims (3)
1. The utility model provides a novel injection mold of umbrella stand department section of thick bamboo thimble drawing of patterns of half excessive formula injection mold, its structure includes: piston column jar (1), hydraulic pressure square frame (2), half excessive umbrella stand device (3), mould type pressure housing (4), interlocking bolt pole (5), die joint plate piece (6), drawing of patterns spring groove seat (7), its characterized in that:
the semi-overflow umbrella stand device (3) is mechanically connected with the demoulding spring groove seat (7), the semi-overflow umbrella stand device (3) is arranged on the top of the parting surface plate block (6), the parting surface plate block (6) is nested on the top surface of the demoulding spring groove seat (7), four interlocking plug pin rods (5) are arranged and are respectively nested on four corners of the parting surface plate block (6), the molding press cover (4) is nested on the top of the semi-overflow umbrella stand device (3), the semi-overflow umbrella stand device (3) is arranged inside the hydraulic square frame (2), and the piston cylinder (1) is mechanically connected with the semi-overflow umbrella stand device (3).
2. The novel injection mold for demolding the umbrella frame ejector sleeve of the semi-spill injection mold as claimed in claim 1, wherein: the semi-overflow umbrella stand device (3) is provided with a runner pipe (3A), a top template groove (3B), a square shell groove (3C), an injection molding inner cavity (3D), an umbrella stand thimble plate (3E), a ball clamping rod rack (3F), an inverted trapezoid groove body (3G), a cylinder driving seat (3H) and a thimble sleeve (3I), wherein the top template groove (3B) is arranged in the injection molding inner cavity (3D), the injection molding inner cavity (3D) and the square shell groove (3C) are of an integral structure, the runner pipe (3A) is provided with two and is respectively inserted and embedded at the left side and the right side of the injection molding inner cavity (3D), the ball clamping rod rack (3F) is provided with two and is respectively inserted and embedded at the left side and the right side of the inverted trapezoid groove body (3G), the inverted trapezoid groove body (3G) and the cylinder driving seat (3H) are embedded into a whole, and the inverted trapezoid groove body (3G) is arranged below the bottom of the injection molding inner cavity (3D), umbrella stand thimble dish (3E) nests on the top of thimble sleeve (3I), thimble sleeve (3I) are inserted and are inlayed in the inside of master cylinder seat (3H), thimble sleeve (3I) and drawing of patterns spring groove seat (7) mechanical connection, umbrella stand thimble dish (3E) comprises shear force return bend (3E1), fin draw-in groove board (3E2), base dish (3E3), shear force return bend (3E1) and fin draw-in groove board (3E2) lock together, shear force return bend (3E1) and fin draw-in groove board (3E2) all install the front side at base dish (3E 3).
3. The novel injection mold for demolding the umbrella frame ejector sleeve of the semi-spill injection mold as claimed in claim 2, wherein: shear force return bend (3E1) comprise triangle lug (3E11), interior return bend cavity (3E12), spring silk (3E13), shear force diagonal column piece (3E14), spring silk (3E13) and shear force diagonal column piece (3E14) mechanical connection, the inside of return bend cavity (3E12) is all installed including spring silk (3E13) and shear force diagonal column piece (3E14), triangle lug (3E11) and interior return bend cavity (3E12) cooperate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790716.9A CN110328811B (en) | 2019-08-26 | 2019-08-26 | Novel injection mold for demolding of umbrella frame ejector sleeve top needle of semi-overflow injection mold |
| CN202110129751.3A CN112917836A (en) | 2019-08-26 | 2019-08-26 | Novel injection mold and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790716.9A CN110328811B (en) | 2019-08-26 | 2019-08-26 | Novel injection mold for demolding of umbrella frame ejector sleeve top needle of semi-overflow injection mold |
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| CN202110129751.3A Division CN112917836A (en) | 2019-08-26 | 2019-08-26 | Novel injection mold and using method thereof |
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| CN110328811A CN110328811A (en) | 2019-10-15 |
| CN110328811B true CN110328811B (en) | 2021-06-04 |
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| CN201910790716.9A Active CN110328811B (en) | 2019-08-26 | 2019-08-26 | Novel injection mold for demolding of umbrella frame ejector sleeve top needle of semi-overflow injection mold |
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| CA3065462C (en) * | 2019-12-18 | 2021-01-19 | Bombardier Transportation Gmbh | Mold made from an additive manufacturing technology |
| CN112814367B (en) * | 2020-12-31 | 2022-07-01 | 宁波甜宝生物信息技术有限公司 | Plastic-coated aluminum frame steel building template |
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| CN205075294U (en) * | 2015-10-28 | 2016-03-09 | 常州市武进华顺模塑有限公司 | Seat dosser mould with high efficiency mechanism of loosing core to one side |
| CN106217788A (en) * | 2016-08-05 | 2016-12-14 | 深圳创维精密科技有限公司 | A kind of mould with ejector sleeve ejecting mechanism |
| KR20170133929A (en) * | 2016-05-27 | 2017-12-06 | 이형훈 | Cylinder Apparatus of the Injection Molding Machine |
| CN208410588U (en) * | 2018-07-13 | 2019-01-22 | 安徽壹太电气有限公司 | A kind of refrigerator internal partition injection mold molding machine |
| CN110039027A (en) * | 2019-03-08 | 2019-07-23 | 泉州洛江泰润机械科技有限公司 | A kind of anti-sticking manufacturing device for drawing deformation of T-die based on long tube combination |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10011062B1 (en) * | 2014-12-09 | 2018-07-03 | Cavaform International, LLC | System, method, and apparatus for molding precision parts |
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- 2019-08-26 CN CN202110129751.3A patent/CN112917836A/en not_active Withdrawn
- 2019-08-26 CN CN201910790716.9A patent/CN110328811B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205075294U (en) * | 2015-10-28 | 2016-03-09 | 常州市武进华顺模塑有限公司 | Seat dosser mould with high efficiency mechanism of loosing core to one side |
| KR20170133929A (en) * | 2016-05-27 | 2017-12-06 | 이형훈 | Cylinder Apparatus of the Injection Molding Machine |
| CN106217788A (en) * | 2016-08-05 | 2016-12-14 | 深圳创维精密科技有限公司 | A kind of mould with ejector sleeve ejecting mechanism |
| CN208410588U (en) * | 2018-07-13 | 2019-01-22 | 安徽壹太电气有限公司 | A kind of refrigerator internal partition injection mold molding machine |
| CN110039027A (en) * | 2019-03-08 | 2019-07-23 | 泉州洛江泰润机械科技有限公司 | A kind of anti-sticking manufacturing device for drawing deformation of T-die based on long tube combination |
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| CN112917836A (en) | 2021-06-08 |
| CN110328811A (en) | 2019-10-15 |
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Effective date of registration: 20210514 Address after: 335000 Industrial Park, Yujiang County, Yingtan City, Jiangxi Province Applicant after: Yujiang Fuchang mould parts Co.,Ltd. Address before: 200331 building 10, Liziyuan business district, Lane 4621, Jiaotong Road, Putuo District, Shanghai Applicant before: Yao Jianhong |
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