CN110076963B - Manufacturing die for cylindrical storage box - Google Patents
Manufacturing die for cylindrical storage box Download PDFInfo
- Publication number
- CN110076963B CN110076963B CN201910463473.8A CN201910463473A CN110076963B CN 110076963 B CN110076963 B CN 110076963B CN 201910463473 A CN201910463473 A CN 201910463473A CN 110076963 B CN110076963 B CN 110076963B
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- die
- sliding
- outer die
- plate
- box body
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- 238000003860 storage Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 238000007723 die pressing method Methods 0.000 claims abstract description 30
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 64
- 239000000463 material Substances 0.000 claims description 36
- 238000002347 injection Methods 0.000 claims description 30
- 239000007924 injection Substances 0.000 claims description 30
- 239000007787 solid Substances 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/065—Cooling or heating equipment for moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- 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
-
- 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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- 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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7154—Barrels, drums, tuns, vats
Abstract
The cylindrical storage box manufacturing die comprises a die frame, an outer die and a core die, wherein the die frame comprises a sprue plate, an outer die pressing plate, an outer die sliding seat and a base which are sequentially overlapped from top to bottom, and the outer die comprises a top plate, a bottom plate, a front outer die and a rear outer die which enclose two vertical cylindrical through hole cavities; the sliding seat of the outer die is provided with a sliding groove for installing a front outer die and a rear outer die; the outer die pressing plate is provided with a pressing die groove to form an inclined plane to be matched with the front and rear outer dies to transversely extrude and limit; the core mold is formed by sleeving and matching a sliding piece and a fixing piece in an inclined plane, wherein the sliding piece is formed by surrounding a plurality of sliding blocks into a polygonal vertical inner hole along the circumferential direction, the outer circumferential surface of the sliding piece is a cylindrical surface formed by spacing a cylindrical convex ring and a cylindrical groove, and the sliding block is formed by obliquely cutting a sleeve downwards along the wall of the vertical inner hole by taking the non-adjacent side of the radial cross section of the vertical inner hole as a string line; the fixing piece is fixedly arranged and extends into the cavity to form a die cavity with the sliding piece penetrating through the core die through hole on the bottom plate, the bottom plate is pressed against the sliding block to be outwards protruded and leaned against the shoulder to limit, and the problems that demolding is difficult and the core die is easy to shake are solved.
Description
Technical Field
The invention belongs to a manufacturing mould, and particularly relates to a manufacturing mould for a cylindrical storage box.
Background
The invention patent number ZL201220084731.5 discloses a cylindrical storage box used as a pen container, the box body structure comprises a main box body and an auxiliary box body with top openings, grids are arranged on the main box body and the auxiliary box body, the grids are formed by annular grid bars which are axially arranged at intervals, solid parts and grid parts which are axially divided and connected into a whole are respectively formed on the main box body and the auxiliary box body, the thickness of the solid parts is larger than that of the grid parts, the grids of the main box body and the auxiliary box body are assembled in a staggered inserting way, inner grooves corresponding to the grid bars are respectively formed on the inner cavity walls of the solid parts of the main box body and the auxiliary box body, and after the main box body and the auxiliary box body are assembled in a matching way, the grid bars are correspondingly embedded into the grooves, so that the outer walls of the solid parts and the inner cavity walls are butted to form a flat surface. Such storage boxes are manufactured by injection molding or cast molding. Conventional molds for making cylindrical articles generally comprise two parts, an outer mold and a core mold. Because this type of storing box is cylindrical, does not have the draft angle, owing to grid and inner groovy's existence, the structure is more complicated again for traditional mould is filling in-process, and the mandrel rocks easily, can't realize the mandrel drawing of patterns again after the shaping.
Disclosure of Invention
The invention aims to solve the problems that the core mould of the storage box manufactured by using the traditional mould is easy to shake and can not realize demoulding, and provides a cylindrical storage box manufacturing mould which is convenient to demould and can realize stable mould structure.
For this purpose, the invention adopts the following technical scheme: the manufacturing mould of the cylindrical storage box is characterized in that the structure of the cylindrical storage box body mainly comprises a main box body and an auxiliary box body with openings at the top, grids are arranged on the main box body and the auxiliary box body, the grids are formed by annular grid strips which are arranged at intervals along the axial direction, solid parts and grid parts which are divided along the axial direction and are connected into a whole are respectively formed on the main box body and the auxiliary box body, the thickness of the solid parts is larger than that of the grid parts, the grids of the main box body and the auxiliary box body are assembled in a staggered manner, and inner grooves corresponding to the grid strips are respectively arranged on the inner cavity walls of the solid parts of the main box body and the auxiliary box body; the manufacturing mould comprises a mould frame, an outer mould and a core mould, and is characterized in that,
the die frame comprises a sprue plate, an outer die pressing plate, an outer die sliding seat and a base, wherein the sprue plate, the outer die pressing plate, the outer die sliding seat and the base are sequentially overlapped from top to bottom and are limited by a vertical limiting mechanism; a vertical material injection hole is arranged on the sprue plate;
the outer die comprises a top plate, a bottom plate, a front outer die and a rear outer die, wherein the front outer die and the rear outer die comprise sliding parts and die sleeve parts, the opposite vertical surfaces of the front outer die and the rear outer die are opposite surfaces of the die sleeve parts, two vertical semicircular through holes are formed in the opposite surfaces of each die sleeve part, the front outer die and the rear outer die are opposite to each other and form two vertical cylindrical through holes, and the diameter difference of the semicircular through holes in the front outer die and the rear outer die is the outer diameter difference of the solid part and the grid part of the cylindrical storage box; the sliding grooves are formed in the outer die sliding seat, the sliding parts are arranged in the sliding grooves, and the left side and the right side of the sliding parts of the front outer die and the rear outer die are matched with the side walls of the sliding grooves through sliding lugs and transverse sliding guide grooves to be mounted and limited, so that the front outer die and the rear outer die can only slide transversely relative to the outer die sliding seat front and back to achieve opposite matching and opposite separation; the front side surface of the front outer die sleeve part and the rear side surface of the rear outer die sleeve part are inclined surfaces, the bottom surface of the outer die pressing plate is provided with a pressing die groove, the front side wall and the rear side wall of the pressing die groove are used as pressing die inclined surfaces, the pressing die inclined surfaces are correspondingly inclined with the front side surface of the front outer die sleeve part and the rear side surface of the rear outer die sleeve part, the front outer die and the rear outer die sleeve part extend into the pressing die groove, and when the outer die pressing plate is pressed down, the pressing die is inclined to form transverse pressure to the front side surface of the front outer die sleeve part and the rear side surface of the rear outer die sleeve part which are used as stress surfaces, and the two die sleeve parts are oppositely matched and form pressing die limiting; two cylindrical sliding driving rods are fixedly arranged at the bottom of the outer die pressing plate, the axial directions of the sliding driving rods incline towards the front outer die and the rear outer die from top to bottom and deviate from the sliding direction, sliding driving holes corresponding to the sliding driving rods are formed in the front outer die and the rear outer die, and the sliding driving rods are arranged in the sliding driving holes in a penetrating mode; the top plate is fixed at the bottom of the pressing die groove, two die cavity grooves which are in one-to-one correspondence with the box bottoms of the main box body and the auxiliary box body are formed in the bottom surface of the top plate, two material injection through holes which penetrate through the top surface of the top plate and the die cavity grooves are formed in the top plate, and a material injection channel which is connected with the vertical material injection holes and the two material injection through holes is formed in the outer die pressing plate; the middle part of the bottom surface of the sliding groove is provided with a bottom plate accommodating groove, the bottom plate is accommodated in the bottom plate accommodating groove, and the top surface of the bottom plate is in contact fit with the bottom surfaces of the front outer die and the rear outer die and is pressed by the front outer die and the rear outer die to be limited; the top plate, the bottom plate, the front outer die and the rear outer die enclose two cavities;
the core mould comprises a sliding piece and a fixing piece, and the main box body and the auxiliary box body respectively correspond to one group of the sliding piece and the fixing piece; the fixing piece comprises a sliding guide part and a mounting part which are connected into a whole, the radial dimension of the sliding guide part radially and inwards contracts from bottom to top, the outer peripheral surface is formed by surrounding at least six even inclined planes along the circumferential direction, the radial cross section of the sliding piece is polygonal with even sides, the sliding piece is a sleeve with a polygonal vertical inner hole and is sleeved on the sliding guide part, the radial cross section of the vertical inner hole is polygonal corresponding to the radial cross section of the sliding guide part, the outer peripheral surface of the sliding piece is a cylindrical surface formed by cylindrical convex rings and cylindrical grooves at intervals, the cylindrical convex rings correspond to the inner grooves on the inner cavity wall of the solid part of the cylindrical storage box, and the cylindrical grooves correspond to grid parts of the cylindrical storage box; the sliding piece is formed by surrounding the sliding blocks with the same number as the edges of the radial cross section of the vertical inner hole along the circumferential direction, the sliding blocks are formed by cutting the sleeve obliquely downwards along the wall of the vertical inner hole by taking the edges, which are not adjacent to the radial cross section of the vertical inner hole, of the sliding blocks as chord lines, and the inner walls of the sliding blocks and the inclined surfaces forming the outer circumferential surface of the sliding guide part form sliding fit which is guided and limited by a sliding guide limiting mechanism;
the bottom plate and the bottom plate accommodating groove are provided with core mold through holes at the bottom, the corresponding positions of the base are provided with fixing piece inserting holes, the mounting parts of the fixing pieces are inserted into the fixing piece inserting holes and axially fixed, the sliding guide parts of the fixing pieces and the sliding pieces penetrate through the core mold through holes and extend into the cavity formed by the top plate, the bottom plate, the front outer mold and the rear outer mold in a surrounding mode, and the top ends of the sliding pieces and the fixing pieces form a mold cavity with the top plate, the bottom plate, the front outer mold and the rear outer mold; the bottom end of the sliding block is provided with an outward convex shoulder rest, the bottom plate is pressed against the shoulder rest end face of the upward shoulder rest, the bottom plate plays a radial limiting role on the sliding piece of the core mold and a fixing role on the whole core mold, and the core mold is prevented from shaking;
the inside of the top plate is provided with a top plate cooling flow passage, the outer mold pressing plate is provided with two top plate cooling conveying flow passages, and the inlet and the outlet of the top plate cooling flow passage are respectively connected with one top plate cooling conveying flow passage; two die sleeve part cooling flow passages are respectively arranged in the front outer die and the rear outer die, and each die sleeve part cooling flow passage correspondingly surrounds one vertical semicircular through hole; the inner part of the bottom plate is provided with a bottom plate cooling runner, the inner part of the outer mold sliding seat is provided with two bottom plate cooling conveying runners, and the inlet and the outlet of the bottom plate cooling runner are respectively connected with one bottom plate cooling conveying runner. Cooling is realized in all cooling flow channels through cooling liquid.
When injection molding or casting forming is carried out, the outer mold pressing plate descends, the sliding driving rod penetrates through the sliding driving hole, opposite sliding driving force is applied to the front outer mold and the rear outer mold which are in a separated state, the two mold sleeve parts are matched in pairs when the outer mold pressing plate descends in place, the vertical overlapping positions of the sprue gate plate, the outer mold pressing plate, the outer mold sliding seat and the base are limited through the vertical limiting mechanism, and the inclined surface of the pressing mold is pressed against the stress surface of the mold sleeve parts to realize pressing mold limiting; and the liquid raw material is injected into the die cavity from the injection runner formed by connecting the vertical injection hole, the injection channel and the injection through hole, and cooling liquid is introduced after the die cavity is filled so as to realize cooling solidification. After forming is completed, the limit of the vertical limiting mechanism is released, the outer die pressing plate is lifted, the pressing die is lifted by the inclined surface of the pressing die, which is separated from the bearing surface of the die sleeve part, and is limited, meanwhile, a sliding driving force in a deviating direction is applied to the front outer die and the rear outer die through a sliding driving rod, the front outer die and the rear outer die are driven to deviate from each other and transversely move, the front outer die and the rear outer die are separated from formed blanks and give off a die-stripping space, the bottom plate is lifted with the blanks and the core die, in the lifting process, the sliding block of the core die sliding piece is lifted along the sliding guide part of the fixing piece under the action of the sliding guide limiting mechanism, and is radially contracted inwards, and the sliding block is separated from the blanks, so that demoulding is realized, and the forming and manufacturing of the cylindrical storage box are completed.
The invention also comprises the following technical characteristics as supplement and improvement of the technical scheme.
The sliding guide limiting mechanism comprises a T-shaped chute arranged on the inclined plane of the sliding guide part of the fixing piece and a T-shaped protruding block arranged on the inner wall of the sliding block, and the T-shaped chute and the T-shaped protruding block can be matched in a sliding type inserting and clamping manner.
Each die sleeve part cooling runner comprises an input transverse section, an input vertical section, a surrounding transverse section, an output vertical section and an output transverse section which are sequentially connected, wherein an input port of the input transverse section and an output port of the output transverse section are positioned on the front side surface of the front outer die sliding part and the rear side surface of the rear outer die sliding part, the input transverse section and the output transverse section are communicated with the die sleeve part from the sliding part to surround the die sleeve part, the surrounding transverse section is positioned in the die sleeve part and is axially separated from the input transverse section and the output transverse section by a certain distance, the surrounding transverse section and the input transverse section are connected through the input vertical section, the surrounding transverse section and the output transverse section are connected through the output vertical section, double-layer surrounding cooling is realized in the axial direction of the die sleeve part, the cooling speed and the uniformity are improved, and the manufacturing forming quality is improved.
The top of the fixing piece is provided with a convex limiting shoulder for limiting the highest rising position of the sliding block, so that the sliding block cannot rise to be separated from the sliding guide part of the fixing piece, the radial cross section of the limiting shoulder is a polygon identical to that of the sliding guide part, the outer circumferential surface of the limiting shoulder is parallel to that of the sliding guide part, the T-shaped lug is arranged at the bottom end of the sliding block, and a sliding groove corresponding to the limiting shoulder is formed in the inner wall of the sliding block.
The fixing piece inside be provided with the air through-hole, play the cooling effect to the fixing piece through the air flow to play the exhaust passage effect of die cavity, guarantee the complete filling in the die cavity.
The sliding block comprises an arc sliding block with a string and a trapezoid sliding block clamped between the two arc sliding blocks, a guide groove is formed in the outer side face of the limiting shoulder corresponding to the trapezoid sliding block, a guide cushion block capable of sliding along with the lifting of the trapezoid sliding block is accommodated in the guide groove, a lever type radial support is formed on the trapezoid sliding block, and the sliding block is prevented from shaking in the process of lifting and sliding to a high position to damage a blank and the sliding guide limiting mechanism during demolding.
The sprue plate is fixedly connected with the outer die pressing plate through screw and nut fastening, and the outer die sliding seat is fixedly connected with the base through screw and nut fastening.
The mounting part of the fixing piece is an inverted truncated cone, and the fixing piece inserting hole corresponds to the mounting part; the base bottom surface sets up the fixed plate mounting groove, installs in the fixed plate mounting groove and is used for connecting the fastening the fixed plate of mounting, mounting cartridge hole link up with the fixed plate mounting groove, two the terminal surface of the installation department of mounting all is connected with the fixed plate to through mounting fastening screw connection fastening, can play axial tractive fastening to the installation department of mounting, make the mounting more firm, avoid the mandrel to rock.
The plane breach has been seted up to the installation department outer peripheral face of mounting, the plane keyway is seted up to mounting cartridge hole lateral wall, installs the flat key in the plane keyway, the flat key with the spacing cooperation of plane breach formation circumference carries out the circumference to the mounting spacing, improves the stability of mandrel.
The invention can achieve the following beneficial effects: the sliding block forming the sliding part is formed by matching the inclined planes of the sleeve-type sliding part capable of being radially contracted and the polyhedral fixing part with the inclined planes of the polyhedral section as a string cutting sleeve, so that the demolding of the complex workpiece without a draft angle structure is realized, the demolding is stable, reliable and convenient, the workpiece is not damaged, the fixing part is mounted in an axial and circumferential limiting manner, the fixing core mold is reinforced and fixed by pressing the bottom edge against a shoulder on the sliding block, the core mold structure is firm and not swaying, the forming precision of the workpiece is improved, the two transverse moving type half outer molds with semicircular through holes are combined to form the outer mold, and the transverse moving of the outer mold is driven by matching an oblique sliding driving rod and a sliding driving hole which are arranged on an outer mold pressing plate for transversely limiting the outer mold, so that the mold opening and the mold closing are convenient, and the demolding are realized; through the combination of the sealing liquid flow cooling of the contact piece and the air circulation cooling of the non-contact piece, the cost is saved, the cooling effect is ensured, and the manufacturing quality and efficiency are improved.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is a rear view of the present invention.
Fig. 4 is a cross-sectional view A-A of fig. 2.
Fig. 5 is a B-B cross-sectional view of fig. 3.
Fig. 6 is a D-D cross-sectional view of fig. 1.
Fig. 7 is a sectional view of E-E of fig. 1.
Fig. 8 is a cross-sectional view of F-F of fig. 1.
Fig. 9 is a G-G cross-sectional view of fig. 3.
Fig. 10 is a sectional view H-H of fig. 1.
Fig. 11 is an I-I cross-sectional view of fig. 3.
Fig. 12 is a J-J cross-sectional view of fig. 1.
Fig. 13 is a sectional view of K-K of fig. 1.
Fig. 14 is a structural view of the present invention with the top plate and the above parts omitted.
In the figure, a 1-material injection nozzle, a 2-first material injection plate, a 201 first vertical material injection hole, a 3-second material injection plate, a 301-second vertical material injection hole, a 4-pipe joint, a 5-external mold pressing plate, a 501-transverse material injection groove, a 502-third vertical material injection hole, a 503-top plate cooling conveying flow passage transverse section, a 504-top plate cooling conveying flow passage vertical section, a 6-lifting ring, a 7-external mold sliding seat, a 701-bottom plate cooling conveying flow passage transverse section, a 702-bottom plate cooling conveying flow passage vertical section, an 8-guide pressing block, a 9-pull rod, a 10-front external mold, a 11-sliding driving rod, a 12-base, a 13-limit screw, a 14-rear external mold, a 15-top plate and a 151-top plate cooling flow passage transverse section, 152-material injecting through holes, 153-top plate cooling flow passage vertical sections, 16-circular arc sliding blocks, 17-bottom plates, 171-bottom plate cooling flow passage horizontal sections, 172-bottom plate cooling flow passage vertical sections, 18-fixing pieces, 181-fixing piece air through holes, 19-guide cushion blocks, 20-trapezoid sliding blocks, 21-fixing plates, 211-fixing plate air through holes, 22-flat keys, 23-input transverse sections, 24-output transverse sections, 25-surrounding transverse sections, 26-sliding driving rod mounting blocks, 27-output vertical sections, 28-input vertical sections, 29-fixing piece fastening screws, 30-die sleeve parts, 31-sliding parts, 32-vertical semicircular through holes and 33-sliding convex blocks.
Description of the embodiments
The following detailed description of specific embodiments of the invention is provided in connection with the accompanying drawings, and the examples described are merely illustrative and explanatory of the invention, and are not intended to be the only limitation of the invention.
The invention is used for injection molding or casting molding manufacturing of the cylindrical storage box. The structure of the cylindrical storage box body comprises a main box body and an auxiliary box body with openings at the top, wherein grids are arranged on the main box body and the auxiliary box body and consist of annular grid strips which are axially distributed at intervals, solid parts and grid parts which are axially divided and connected into a whole are respectively formed on the main box body and the auxiliary box body, the thickness of the solid parts is greater than that of the grid parts, the grids of the main box body and the auxiliary box body are assembled in a staggered inserting mode, inner grooves corresponding to the grid strips are respectively formed in inner cavity walls of the solid parts of the main box body and the auxiliary box body, and after the main box body and the auxiliary box body are assembled in a butt joint mode, the grid strips are correspondingly embedded into the grooves, so that the outer walls of the solid parts and the inner cavity walls form a flat surface.
As shown in fig. 1 to 14, the manufacturing mold comprises a mold frame, an outer mold and a core mold, wherein the mold frame comprises a sprue plate, an outer mold pressing plate 5, an outer mold sliding seat 7 and a base 12, the outer mold comprises a top plate 15, a bottom plate 17, a front outer mold 10 and a rear outer mold 14, the core mold comprises sliding pieces and fixing pieces 18 which are matched with each other, and the main box body and the auxiliary box body respectively correspond to one group of sliding pieces and fixing pieces.
The sprue plate, the outer die pressing plate 5, the outer die sliding seat 7 and the base 12 are sequentially overlapped from top to bottom and are limited by a vertical limiting mechanism. The sprue plate and the outer die pressing plate are fixedly connected through screw and nut fastening, and the outer die sliding seat and the base are fixedly connected through screw and nut fastening. The vertical limiting mechanism comprises a pull rod 9, and two ends of the pull rod are connected with the sprue plate and the base through screw fastening. The two side surfaces of the sprue plate, the outer die pressing plate 5, the outer die sliding seat 7 and the base 12 are provided with hanging ring mounting holes, and hanging rings 6 are arranged in the hanging ring mounting holes so as to suspend and transport the whole die.
The sprue gate plate is formed by overlapping a first sprue gate plate 2 and a second sprue gate plate 3 and fastened by screws, a first vertical material injection hole 201 is formed in the first sprue gate plate 2, a second vertical material injection hole 301 is formed in the second sprue gate plate, the first vertical material injection hole 201 and the second vertical material injection hole 301 are connected end to form a vertical material injection hole, a material injection nozzle 1 is installed at an orifice of the first vertical material injection hole, and the material injection hole of the material injection nozzle 1 is in a horn shape.
The front outer die 10 and the rear outer die 14 comprise a sliding part 31 and a die sleeve part 30, sliding grooves are formed in the outer die sliding seat 7, the sliding parts 31 of the front outer die 10 and the rear outer die 14 are arranged in the sliding grooves, sliding lugs 33 are arranged on the left side and the right side of the sliding parts 31, the side walls of the sliding grooves close to the front side face and the rear side face of the outer die sliding seat are concave inwards, four upward mounting end faces are arranged, each mounting end face is provided with a guide pressing block 8 extending towards the sliding grooves to form a transverse moving guide groove matched with the sliding lugs 33, and the sliding lugs 33 and the transverse moving guide grooves are matched and limited, so that the front outer die and the rear outer die can only transversely slide back and forth relative to the sliding seat to realize opposite matching and opposite separation. The opposite vertical surfaces of the front outer die and the rear outer die are matched surfaces of die sleeve parts, two vertical semicircular through holes 32 are formed in the matched surfaces of each die sleeve part, two vertical cylindrical through holes are formed by surrounding the matched front outer die and the rear outer die, and the diameter difference of the semicircular through holes in the front outer die and the rear outer die is the outer diameter difference of the solid part of the cylindrical storage box and the grid part. The front side surface of the front outer die sleeve part and the rear side surface of the rear outer die sleeve part are inclined surfaces, the bottom surface of the outer die pressing plate 5 is provided with a die pressing groove, the front side wall and the rear side wall of the die pressing groove are taken as die pressing inclined surfaces, the die pressing inclined surfaces are correspondingly inclined with the front side surface of the front outer die sleeve part and the rear side surface of the rear outer die sleeve part, the die sleeve parts of the front outer die and the rear outer die extend into the die pressing groove, and when the outer die pressing plate is pressed down, the die pressing inclined surfaces form transverse pressure to the front side surface of the front outer die sleeve part and the rear side surface of the rear outer die sleeve part which are used as stress surfaces, and the two die sleeve parts are oppositely matched and form die pressing limit. The bottom of the outer die pressing plate is fixedly supported by two cylindrical sliding driving rods 11 through a sliding driving rod mounting block 26, and the sliding driving rods 11 axially incline from top to bottom towards the front outer die and the rear outer die away from the sliding direction; the front outer mold 10 and the rear outer mold 14 are provided with sliding driving holes corresponding to the sliding driving rods 11, and the sliding driving rods are arranged in the sliding driving holes in a penetrating mode.
The top plate 15 is fixed at the bottom of the pressing die groove, and two die cavity grooves which are in one-to-one correspondence with the box bottoms of the main box body and the auxiliary box body are formed on the bottom surface of the top plate. Two material injecting through holes 152 penetrating through the top surface of the top plate and the cavity grooves are formed in the top plate, two third vertical material injecting holes 502 corresponding to the material injecting through holes one to one are formed in the outer mold pressing plate 5, and a transverse material injecting groove 501 with two ends communicated with the third vertical material injecting holes 502 and corresponding to the second vertical material injecting holes 301 is formed in the top surface of the outer mold pressing plate 5, so that a material injecting channel communicated with the third vertical material injecting holes 502 and the two material injecting through holes 152 is formed.
The middle part of the bottom surface of the sliding groove is provided with a bottom plate accommodating groove, the bottom plate 17 is accommodated in the bottom plate accommodating groove, and the top surface of the bottom plate is in contact fit with the bottom surfaces of the front outer die and the rear outer die and is pressed and limited by the front outer die and the rear outer die; the top plate 15, the bottom plate 17, the front outer mould 10 and the rear outer mould 14 enclose two cavities.
The fixing member 18 includes a slide guide portion and a mounting portion integrally connected, the slide guide portion having a radial dimension which is contracted radially inward from bottom to top, and an outer peripheral surface formed by six inclined surfaces circumferentially joined so that a radial cross section thereof is hexagonal. The sliding piece is sleeve-shaped and is formed by surrounding six sliding blocks along the circumferential direction, and is provided with a hexagonal vertical inner hole with a radial cross section corresponding to the radial cross section of the sliding guide part, and the sliding piece is sleeved on the sliding guide part. The sliding blocks are formed by cutting the sleeve obliquely downwards along the wall of the vertical inner hole by taking the non-adjacent side of the radial cross section of the vertical inner hole as a string line, and comprise an arc sliding block 16 where the string line is positioned and a trapezoid sliding block 20 clamped between the two arc sliding blocks. The inner wall of the sliding block of the sliding part and the inclined plane forming the outer peripheral surface of the sliding guide part form a sliding fit which is guided and limited by a sliding guide limiting mechanism; the sliding guide limiting mechanism comprises a T-shaped chute arranged on the inclined plane of the sliding guide part of the fixing piece and a T-shaped protruding block arranged on the inner wall of the sliding block, and the T-shaped chute and the T-shaped protruding block can be matched in a sliding type inserting and clamping manner.
The top of the fixing piece 18 is provided with an outwards protruding limit shoulder for limiting the highest rising position of the sliding block, the radial cross section of the limit shoulder is polygonal with the same radial cross section as that of the sliding guide part, the outer circumferential surface of the limit shoulder is parallel to that of the sliding guide part, the T-shaped protruding block is arranged at the bottom end of the sliding block, and a sliding groove corresponding to the limit shoulder is formed in the inner wall of the sliding block. The outer side surface of the limit leaning shoulder corresponding to the trapezoid sliding block 20 is provided with a guide groove, and a guide cushion block 19 which can slide along with the lifting of the trapezoid sliding block is accommodated in the guide groove to form lever type radial support for the trapezoid sliding block.
The periphery of the sliding piece is a cylindrical surface formed by cylindrical convex rings and cylindrical grooves at intervals, the cylindrical convex rings correspond to the inner grooves on the inner cavity wall of the solid part of the cylindrical storage box, and the cylindrical grooves correspond to the grid part of the cylindrical storage box.
The bottom surface of the base 12 is provided with a fixing plate mounting groove in which a fixing plate 21 is mounted. The bottom plate 17 and the bottom plate accommodating groove bottom surfaces are provided with core mold through holes, and the corresponding positions of the base 12 are provided with fixing piece inserting holes communicated with the fixing plate mounting grooves. The mounting part of the fixing piece 18 is an inverted truncated cone, a plane notch is formed in the peripheral surface of the mounting part of the fixing piece 18, the fixing piece inserting hole corresponds to the mounting part of the fixing piece, and a plane key slot is formed in the side wall of the fixing piece inserting hole; the mounting parts of the fixing pieces are inserted into the fixing piece inserting holes, the end faces of the mounting parts of the two fixing pieces are connected with the fixing plate 21 and are connected and fastened through the fixing piece fastening screws, and the mounting parts of the fixing pieces can be axially pulled and fastened and axially limited. And a flat key 22 is arranged in the planar key groove, and the flat key 22 and the planar notch form circumferential limit fit to limit the fixing piece circumferentially. The fixing piece 18 is internally provided with an air through hole 181, a fixing plate air through hole 211 communicated with the air through hole 181 is formed in the fixing plate 21, the fixing piece is cooled through air flow, and the fixing piece plays a role in an exhaust channel of a die cavity, so that complete filling in the die cavity is ensured.
The sliding guide part of the fixing piece and the sliding piece penetrate through the core mold through hole and extend into the cavity formed by the top plate, the bottom plate, the front outer mold and the rear outer mold in a surrounding mode, and a cavity is formed by the top ends of the sliding piece and the fixing piece and gaps among the top plate, the bottom plate, the front outer mold and the rear outer mold. The bottom end of the sliding block is provided with an outward convex shoulder, the bottom plate 17 is pressed against the shoulder end face of the upward shoulder, and the bottom plate plays a radial limiting role on the sliding piece of the core mold and plays a role in fixing the whole core mold.
The top plate 15 is internally provided with a top plate cooling flow passage formed by connecting a top plate cooling flow passage transverse section 151 and two top plate cooling flow passage vertical sections 153, the outer mold pressing plate 5 is provided with two top plate cooling conveying flow passages, the top plate cooling conveying flow passage is formed by connecting a top plate cooling conveying flow passage transverse section 503 and a top plate cooling conveying flow passage vertical section 504, and the top plate cooling flow passage vertical section 153 and the top plate cooling conveying flow passage vertical section 504 are correspondingly connected; a bottom plate cooling flow passage is arranged in the bottom plate, and consists of a bottom plate cooling flow passage transverse section 171 and two bottom plate cooling flow passage vertical sections 172 which are connected end to end. Two bottom plate cooling conveying runners are arranged in the outer die sliding seat 7, the bottom plate cooling conveying runners are formed by connecting a bottom plate cooling conveying runner transverse section 701 and a bottom plate cooling conveying runner vertical section 702, and the bottom plate cooling conveying runner vertical section 172 is correspondingly connected with the bottom plate cooling conveying runner vertical section 702.
Two mold sleeve part cooling flow passages are respectively arranged in the front outer mold 10 and the rear outer mold 14, and each mold sleeve part cooling flow passage correspondingly surrounds one vertical semicircle through hole 32; each die sleeve part cooling runner comprises an input transverse section 23, an input vertical section 28, a surrounding transverse section 25, an output vertical section 27 and an output transverse section 24 which are sequentially connected, wherein the input ports of the input transverse section and the output ports of the output transverse section are positioned on the front side surface of the front outer die sliding part and the rear side surface of the rear outer die sliding part, the input transverse section and the output transverse section are communicated to the die sleeve part from the sliding part and then surround the die sleeve part, the surrounding transverse section is positioned in the die sleeve part and is axially separated from the input transverse section and the output transverse section by a distance, the surrounding transverse section and the input transverse section are connected through the input vertical section, the surrounding transverse section and the output transverse section are connected through the output vertical section, and double-layer surrounding cooling is realized in the axial direction of the die sleeve part. Cooling is realized in all cooling flow channels through cooling liquid. And the connection ports of all the cooling flow channels are sealed by sealing rings.
Claims (8)
1. The manufacturing mould of the cylindrical storage box is characterized in that the structure of the cylindrical storage box body mainly comprises a main box body and an auxiliary box body with openings at the top, grids are arranged on the main box body and the auxiliary box body, the grids are formed by annular grid strips which are arranged at intervals along the axial direction, solid parts and grid parts which are divided along the axial direction and are connected into a whole are respectively formed on the main box body and the auxiliary box body, the thickness of the solid parts is larger than that of the grid parts, the grids of the main box body and the auxiliary box body are assembled in a staggered manner, and inner grooves corresponding to the grid strips are respectively arranged on the inner cavity walls of the solid parts of the main box body and the auxiliary box body; the manufacturing die comprises a die frame, an outer die and a core die, and is characterized in that:
the die frame comprises a sprue plate, an outer die pressing plate, an outer die sliding seat and a base, wherein the sprue plate, the outer die pressing plate, the outer die sliding seat and the base are sequentially overlapped from top to bottom and are limited by a vertical limiting mechanism; a vertical material injection hole is arranged on the sprue plate;
the outer die comprises a top plate, a bottom plate, a front outer die and a rear outer die, wherein the front outer die and the rear outer die comprise sliding parts and die sleeve parts, the opposite vertical surfaces of the front outer die and the rear outer die are opposite surfaces of the die sleeve parts, two vertical semicircular through holes are formed in the opposite surfaces of each die sleeve part, the front outer die and the rear outer die are opposite to each other and form two vertical cylindrical through holes, and the diameter difference of the semicircular through holes in the front outer die and the rear outer die is the outer diameter difference of the solid part and the grid part of the cylindrical storage box; the sliding grooves are formed in the outer die sliding seat, the sliding parts are arranged in the sliding grooves, and the left side and the right side of the sliding parts of the front outer die and the rear outer die are matched with the side walls of the sliding grooves through sliding lugs and transverse sliding guide grooves to be mounted and limited, so that the front outer die and the rear outer die can only slide transversely relative to the outer die sliding seat front and back to achieve opposite matching and opposite separation; the front side surface of the front outer die sleeve part and the rear side surface of the rear outer die sleeve part are inclined surfaces, the bottom surface of the outer die pressing plate is provided with a pressing die groove, the front side wall and the rear side wall of the pressing die groove are used as pressing die inclined surfaces, the pressing die inclined surfaces are correspondingly inclined with the front side surface of the front outer die sleeve part and the rear side surface of the rear outer die sleeve part, the front outer die and the rear outer die sleeve part extend into the pressing die groove, and when the outer die pressing plate is pressed down, the pressing die is inclined to form transverse pressure to the front side surface of the front outer die sleeve part and the rear side surface of the rear outer die sleeve part which are used as stress surfaces, and the two die sleeve parts are oppositely matched and form pressing die limiting; two cylindrical sliding driving rods are fixedly arranged at the bottom of the outer die pressing plate, the axial directions of the sliding driving rods incline towards the front outer die and the rear outer die from top to bottom and deviate from the sliding direction, sliding driving holes corresponding to the sliding driving rods are formed in the front outer die and the rear outer die, and the sliding driving rods are arranged in the sliding driving holes in a penetrating mode; the top plate is fixed at the bottom of the pressing die groove, two die cavity grooves which are in one-to-one correspondence with the box bottoms of the main box body and the auxiliary box body are formed in the bottom surface of the top plate, two material injection through holes which penetrate through the top surface of the top plate and the die cavity grooves are formed in the top plate, and a material injection channel which is connected with the vertical material injection holes and the two material injection through holes is formed in the outer die pressing plate; the middle part of the bottom surface of the sliding groove is provided with a bottom plate accommodating groove, the bottom plate is accommodated in the bottom plate accommodating groove, and the top surface of the bottom plate is in contact fit with the bottom surfaces of the front outer die and the rear outer die and is pressed by the front outer die and the rear outer die to be limited; the top plate, the bottom plate, the front outer die and the rear outer die enclose two cavities;
the core mould comprises a sliding piece and a fixing piece, and the main box body and the auxiliary box body respectively correspond to one group of the sliding piece and the fixing piece; the fixing piece comprises a sliding guide part and a mounting part which are connected into a whole, the radial dimension of the sliding guide part radially and inwards contracts from bottom to top, the outer peripheral surface is formed by surrounding at least six even inclined planes along the circumferential direction, the radial cross section of the sliding piece is polygonal with even sides, the sliding piece is a sleeve with a polygonal vertical inner hole and is sleeved on the sliding guide part, the radial cross section of the vertical inner hole is polygonal corresponding to the radial cross section of the sliding guide part, the outer peripheral surface of the sliding piece is a cylindrical surface formed by cylindrical convex rings and cylindrical grooves at intervals, the cylindrical convex rings correspond to the inner grooves on the inner cavity wall of the solid part of the cylindrical storage box, and the cylindrical grooves correspond to grid parts of the cylindrical storage box; the sliding piece is formed by surrounding the sliding blocks with the same number as the edges of the radial cross section of the vertical inner hole along the circumferential direction, the sliding blocks are formed by cutting the sleeve obliquely downwards along the wall of the vertical inner hole by taking the edges, which are not adjacent to the radial cross section of the vertical inner hole, of the sliding blocks as chord lines, and the inner walls of the sliding blocks and the inclined surfaces forming the outer circumferential surface of the sliding guide part form sliding fit which is guided and limited by a sliding guide limiting mechanism;
the bottom plate and the bottom plate accommodating groove are provided with core mold through holes at the bottom, the corresponding positions of the base are provided with fixing piece inserting holes, the mounting parts of the fixing pieces are inserted into the fixing piece inserting holes and axially fixed, the sliding guide parts of the fixing pieces and the sliding pieces penetrate through the core mold through holes and extend into the cavity formed by the top plate, the bottom plate, the front outer mold and the rear outer mold in a surrounding mode, and the top ends of the sliding pieces and the fixing pieces form a mold cavity with the top plate, the bottom plate, the front outer mold and the rear outer mold; the bottom end of the sliding block is provided with a convex shoulder rest, and the bottom plate is pressed against the shoulder rest end face of the shoulder rest facing upwards;
the inside of the top plate is provided with a top plate cooling flow passage, the outer mold pressing plate is provided with two top plate cooling conveying flow passages, and the inlet and the outlet of the top plate cooling flow passage are respectively connected with one top plate cooling conveying flow passage; two die sleeve part cooling flow passages are respectively arranged in the front outer die and the rear outer die, each die sleeve part cooling flow passage correspondingly surrounds one vertical semicircular through hole, each die sleeve part cooling flow passage comprises an input transverse section, an input vertical section, a surrounding transverse section, an output vertical section and an output transverse section which are sequentially connected, an input port of the input transverse section and an output port of the output transverse section are positioned on the front side surface of the front outer die slide-in part and the rear side surface of the rear outer die slide-in part, the input transverse section and the output transverse section are communicated to the die sleeve part from the slide-in part and then surround the die sleeve part, the surrounding transverse section is positioned in the die sleeve part and is axially separated from the input transverse section and the output transverse section by a distance, the surrounding transverse section is connected with the input transverse section through the input vertical section, and the surrounding transverse section is connected with the output transverse section through the output vertical section; the inner part of the bottom plate is provided with a bottom plate cooling runner, the inner part of the outer mold sliding seat is provided with two bottom plate cooling conveying runners, and the inlet and the outlet of the bottom plate cooling runner are respectively connected with one bottom plate cooling conveying runner.
2. The cartridge manufacturing die of claim 1, wherein: the sliding guide limiting mechanism comprises a T-shaped chute arranged on the inclined plane of the sliding guide part of the fixing piece and a T-shaped protruding block arranged on the inner wall of the sliding block, and the T-shaped chute and the T-shaped protruding block can be matched in a sliding type inserting and clamping manner.
3. The cartridge manufacturing die of claim 2, wherein: the top of the fixing piece is provided with an outwards protruding limiting shoulder, the radial cross section of the limiting shoulder is polygonal with the same radial cross section as that of the sliding guide part, the outer circumferential surface of the limiting shoulder is parallel to that of the sliding guide part, the T-shaped protruding block is arranged at the bottom end of the sliding block, and the inner wall of the sliding block is provided with a sliding groove corresponding to the limiting shoulder.
4. A cartridge manufacturing die according to claim 3, wherein: the sliding block comprises an arc sliding block with a string and a trapezoid sliding block clamped between the two arc sliding blocks, wherein a guide groove is formed in the outer side face of the limiting shoulder corresponding to the trapezoid sliding block, and a guide cushion block capable of sliding along with the lifting of the trapezoid sliding block is accommodated in the guide groove.
5. The cartridge manufacturing die of claim 4, wherein: the sprue plate is fixedly connected with the outer die pressing plate through screw and nut fastening, and the outer die sliding seat is fixedly connected with the base through screw and nut fastening.
6. The cartridge manufacturing die of claim 5, wherein: the mounting part of the fixing piece is an inverted truncated cone, and the fixing piece inserting hole corresponds to the mounting part; the base bottom surface sets up the fixed plate mounting groove, installs in the fixed plate mounting groove and is used for connecting the fastening the fixed plate of mounting, mounting cartridge hole link up with the fixed plate mounting groove, two the terminal surface of the installation department of mounting all is connected with the fixed plate to through mounting fastening screw connection fastening.
7. The cartridge manufacturing die of claim 6, wherein: the mounting part outer peripheral face of mounting has seted up the plane breach, the plane keyway is seted up to mounting cartridge hole lateral wall, installs the flat key in the plane keyway, the flat key with the spacing cooperation of circumference is formed to the plane breach.
8. The cartridge manufacturing die set forth in claim 4, 5, 6 or 7, wherein: the fixing piece is internally provided with an air through hole.
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| CN110509501A (en) * | 2019-08-29 | 2019-11-29 | 广东机电职业技术学院 | A kind of mutual-inserting type sliding re-entrant mold tool mechanism and control method |
| CN112917106B (en) * | 2021-01-29 | 2022-01-04 | 崔艳红 | Processing equipment and processing method of cardiovascular saccule support |
| CN117021493B (en) * | 2023-10-07 | 2024-01-12 | 苏州瑞德智慧精密科技股份有限公司 | Zero degree draft injection mold |
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