CN110480959B - Multidirectional core-pulling half slide block mechanism die of artistic basket lampshade - Google Patents
Multidirectional core-pulling half slide block mechanism die of artistic basket lampshade Download PDFInfo
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- CN110480959B CN110480959B CN201910846799.9A CN201910846799A CN110480959B CN 110480959 B CN110480959 B CN 110480959B CN 201910846799 A CN201910846799 A CN 201910846799A CN 110480959 B CN110480959 B CN 110480959B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 64
- 238000003825 pressing Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 238000001816 cooling Methods 0.000 claims description 21
- 238000001746 injection moulding Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 13
- 230000006835 compression Effects 0.000 description 18
- 238000007906 compression Methods 0.000 description 18
- 230000001681 protective effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000282376 Panthera tigris Species 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000020673 hypertrichosis-acromegaloid facial appearance syndrome Diseases 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
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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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
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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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2725—Manifolds
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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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
Abstract
The invention discloses a multidirectional core-pulling half slide block mechanism die of an artistic basket lampshade, which comprises a top plate, a bottom plate, an upper die and a lower die, wherein the upper die comprises a pouring system, a fixed die plate and a runner plate; the lower die comprises a core insert, a movable die base plate, a guide pressing block, a cushion block and a half slide block mechanism; the runner plate is arranged on the lower bottom surface of the top plate, and the fixed die plate is arranged on the lower bottom surface of the runner plate; the cushion block is arranged on the bottom plate, and the movable die cushion plate is arranged on the cushion block; the guide pressing blocks are provided with two groups and are arranged on the sliding grooves of the movable die base plate through sliding blocks; guide rods are respectively arranged on the left side and the right side of the lower bottom surface of the fixed die plate, and a cavity insert is arranged in the middle of the upper surface of the fixed die plate; the haverse slide block mechanism is provided with two groups. The invention can effectively solve the problem of interference-free sequential core pulling of two molding parts with different core pulling directions in a region, and ensure the appearance molding quality of the molding parts.
Description
Technical Field
The invention relates to the field of injection molding equipment, in particular to a multidirectional core-pulling half slide block mechanism die of an artistic basket lampshade.
Background
The demolding design of complex plastic parts is a difficult problem to be encountered in mold design, in general, the features of difficult demolding on plastic parts are only difficult demolding of few local area features, and when the demolding mechanism of the local area difficult demolding features is designed, firstly, the demolding direction of the demolding mechanism should be in compliance with the barrier-free extraction direction of the feature molded parts, and secondly, enough mechanism space is needed to meet the movement of the molded parts, and the movement of the molded parts needs to be driven by means of the mold opening driving force or auxiliary driving force mechanism of the mold frame template. The design of the mold opening driving force mechanism or the auxiliary power mechanism is limited by interference limitation of other mechanism designs on the mold or structural limitation of the mold frame, which is the design difficulty of the demolding mechanism. Therefore, before the structural design of the mold, the structural mode and layout of the mechanism required by molding the mold are firstly made on the premise of making the layout design of the mold cavity when the structural design of the overall structure of the mold is carried out according to the structural characteristics of the mold, which is an important work of the structural design of the mold. The demolding of the overlapping characteristic on the plastic part is a difficult point in the mold demolding mechanism and the structural design, namely, on the basis that a large area needs to be laterally demolded on the plastic part, a small area which is partially in the large area needs to be set in a small area with different core-pulling directions in the large area to core, and under the condition that the two core-pulling directions are inconsistent, the core-pulling demolding of the whole large area on the plastic part can be realized only by repeatedly carrying out core-pulling in the same large area, and the mechanism mainly interferes in the core-pulling direction of the molded part and the driving machine component in space from the setting of the molded part, so that the failure of the structural design of the whole pair of molds is easy to cause.
For the plastic part in the shape of the artistic basket lampshade, the shape of the plastic part is designed into a basket form in order to meet the needs of industrial design, the main body of the plastic part is in a frustum shape, and two axisymmetric round bent guard hooks are arranged at the upper end of the plastic part; 4 fish-shaped bulges formed by convex artistic curved surfaces are arranged on the outer wall of the frustum body and are used for the industrial appearance beauty of plastic parts and the space avoidance of other parts in the cover body; 2 plug wire holes are distributed at the lower end of the outer wall of the frustum, and bosses are arranged on the outer wall of the holes; the lowest end of the outer wall is provided with a string of trademark characters, and the characters are arranged on the frustum wall of the main body.
The mould design of the artistic basket lampshade plastic part has the following difficulties:
1) The plastic part is irregularly shaped, has certain appearance shape requirements and dimensional accuracy control requirements, and has a tolerance level controlled to be MT4 level;
2) The two symmetrical basket hooks at the upper end of the plastic part are arc-shaped, and the demolding direction of the basket hooks can only be used for laterally pulling cores from two side surfaces for demolding;
3) The 4 fish-shaped bulges on the main body frustum are in a narrow-wide-narrow shape when seen from top to bottom, and the demoulding direction cannot be set to the axial line direction of the round table, but only to the direction perpendicular to the axial line of the boss;
4) The 2 plug wire holes at the bottom end of the outer wall of the boss can only be demoulded along the axial direction of the hole;
5) The side demoulding direction of the protective hook is inconsistent with the axis direction of the plug wire hole to form an included angle, so if the outer wall side core pulling demoulding direction of the subject frustum is set to be consistent with the direction of the protective hook, the plug wire hole is positioned on the outer wall of the frustum, the demoulding direction of the plug wire hole is intersected with the demoulding direction of the outer wall and the fish-shaped bulge to interfere, and the demoulding structure is difficult to set.
Disclosure of Invention
The invention provides a multidirectional core-pulling half slide block mechanism die for an artistic basket lampshade, which can effectively solve the problem of interference-free sequential core pulling of two molded parts with crossed core-pulling directions in different directions in a region and ensure the appearance molding quality of the molded parts.
The technical scheme of the invention is as follows:
the invention relates to a multidirectional core-pulling half slide block mechanism die of an artistic basket lampshade, which comprises an upper die and a lower die, wherein the upper die comprises a top plate, a pouring system, a fixed die plate and a runner plate; the lower die comprises a bottom plate, a core insert, a movable die base plate, a guide pressing block, a cushion block and a half slide block mechanism;
the runner plate is fixedly arranged on the lower bottom surface of the top plate, and the fixed die plate is fixedly arranged on the lower bottom surface of the runner plate; the pouring system comprises a pouring opening and a runner I, wherein the pouring opening is arranged in the middle of a top plate, the upper end of the pouring opening penetrates out of the upper surface of the top plate and is communicated with a nozzle of the injection machine, the lower end of the pouring opening penetrates through the top plate, a pouring outlet is reserved on the lower surface of the top plate, the runner I penetrates through a runner plate and a fixed die plate, the upper end of the runner I is connected with the pouring outlet, and the lower end of the runner I is arranged in the middle of the lower bottom surface of the fixed die plate;
the cushion block is arranged on the bottom plate, and the movable die cushion plate is arranged on the cushion block;
the guide pressing blocks are provided with two groups, the bottoms of the guide pressing blocks are provided with sliding blocks, the front side and the rear side of the movable die base plate are respectively provided with a sliding groove I in the left-right direction, and the guide pressing blocks are arranged on the sliding grooves I through the sliding blocks;
the left side and the right side of the lower bottom surface of the fixed die plate are respectively fixedly provided with a guide rod inclining from inside to outside along the left-right direction, the guide pressing block is provided with an inclined guide hole corresponding to the guide rod, the guide rod is inserted into the guide hole, and the lower end of the guide rod is still positioned in the guide hole when the upper die and the lower die are separated;
the middle part of the upper surface of the movable mould base plate is provided with a core insert corresponding to the inner wall structure of the artistic basket lampshade;
the half mould cavities of the two half slide mechanisms are arranged oppositely, after folding, an outer profile cavity containing the top surface and the side wall of the artistic basket lampshade is formed, the core insert is integrally wrapped, a half runner is arranged above the half mould cavities of the two half slide mechanisms, a runner II is formed when the two half slide mechanisms are folded, the upper end of the runner II is connected with the lower end of the runner I, and the lower end of the runner II is communicated with the middle of the top of the outer profile cavity.
Further, the mold comprises a mold cavity insert II, the mold cavity insert is arranged in the middle of the lower bottom surface of the fixed mold plate, corresponds to the middle position of the protective hook structure at the top of the artistic basket lampshade, and is a certain distance from the top surface of the mold core insert when the upper mold and the lower mold are assembled, and the distance is the thickness of the top plate of the artistic basket lampshade.
Further, the pouring system also comprises a sprue bushing, a positioning ring and a discharging ring, wherein the sprue bushing and the positioning ring are arranged in the middle of the top plate and integrally cover the pouring gate; the semi-circular grooves are formed in the middle of the semi-circular channel above the half-mould cavities of the two half-mould sliding block mechanisms, the diameter of each semi-circular groove is larger than that of each half-mould channel, and the semi-circular grooves form a discharging ring when the two half-mould sliding block mechanisms are folded.
The injection molding machine comprises a movable workbench, a push plate, a push mechanism and a lifting mechanism, wherein the movable workbench is provided with a lifting mechanism, the push mechanism comprises a thimble, a return spring, a return rod, a push plate and a panel, and the push plate is connected with the hydraulic ejector rod arranged on the movable workbench of the injection molding machine and can be driven by the hydraulic ejector rod to lift;
the cushion blocks are provided with two groups which are respectively positioned at the left side and the right side of the upper surface of the bottom plate; the panel is fixedly arranged on the upper surface of the bottom plate and positioned between the two groups of cushion blocks, the push plate is arranged on the panel, 4 vertical ejector pins are fixedly arranged on the push plate, and the 4 ejector pins are distributed in a square shape; the movable mould base plate is provided with a vertical through hole I corresponding to the ejector pin, and the core insert is provided with a vertical through hole II corresponding to the ejector pin; the upper end of the thimble penetrates through the through hole I and the through hole II and extends upwards to the top end of the core insert;
the lower extreme fixed mounting of reset lever on the panel, upper end pass behind the push pedal with the lower terminal surface fixed connection of movable mould backing plate, the cover is equipped with reset spring on the reset lever, reset spring's upper end and movable mould backing plate contact, the lower extreme contacts with the push pedal, in initial not compound die state, reset spring be in compression state, withstands the push pedal for the push pedal is in the position that is closest to the die carrier bottom surface.
Further, the Harvard slide block mechanism comprises a wedging block, a guide rail strip, a Harvard slide block, a hole core, an insert, a hole core spring and a compression block;
the guide rail strip is horizontally arranged on the movable mould base plate along the left-right direction and is positioned between the guide pressing block and the Harvard slide block, a chute II is arranged on the Harvard slide block, the guide rail strip is arranged on the guide rail strip through the chute II, and the guide rail strip guides the motion of the Harvard slide block;
the lower parts of the half sliders of the two sets of half slider mechanisms are provided with horizontal spring grooves and horizontal through holes, the axes of the horizontal spring grooves are coincident, the horizontal spring grooves are arranged on the outer walls of the half sliders, the horizontal through holes are arranged on the bottom surfaces of the horizontal spring grooves and penetrate through the inner walls of the half sliders, and the inner diameters of the horizontal spring grooves are larger than the inner diameters of the horizontal through holes; the horizontal spring grooves and the horizontal through hole axes of the two groups of the half slide block mechanisms are overlapped;
the hole core is arranged in the horizontal through hole, the front end of the Kong Xingxin is outwards extended, an insert is fixedly arranged on the hole core, the tail end of the hole core is extended into the half-mold cavity, the hole core spring is arranged in the spring groove, the front end of the hole core spring is fixedly connected with the insert, the rear end of the hole core spring is fixed with the bottom surface of the horizontal spring groove, and in a natural state, the hole core spring pushes the insert to push the hole core out of the half-mold cavity;
the upper end of the compression block is fixedly connected with the top plate, a compression surface inclining upwards from inside to outside is arranged at the lower end of the compression block, a pressure bearing surface inclining downwards from inside to outside is arranged at the front end of the insert, the compression surface corresponds to the pressure bearing surface, when the upper die and the lower die are assembled, the compression surface contacts with the pressure bearing surface, and the insert is pushed to drive the hole pattern core to stretch inwards, so that the hole pattern core contacts with the core insert.
Further, the upper end of movable mould bolster outer wall be equipped with the wedging piece, the up end of wedging piece be equipped with the draw-in groove of the lower extreme that corresponds the compact heap, when last lower mould compound die, the compression face extrusion pressure-bearing face of the lower extreme of compact heap gets into in the draw-in groove, by wedging piece locking, when the die sinking, the lower extreme of wedging piece leaves the draw-in groove unblock earlier.
The cooling system comprises a cooling pipeline I, a water inlet I, a water outlet I, a cooling pipeline II, a water inlet II and a water outlet II, wherein the water inlet I and the water outlet I are arranged at the lower part of the half slide block, the water inlet I is positioned above the water outlet I, the cooling pipeline I enters the half slide block from the water inlet I, and the cooling pipeline I is connected with the water outlet I after surrounding the inner wall of the half slide block for a circle;
the water inlet II and the water outlet II are respectively arranged at two sides of the movable die cushion plate, the water inlet II at one side of the movable die cushion plate of the cooling pipeline II penetrates through the movable die cushion plate and then enters the core insert, and the cooling pipeline II upwards moves round along the core insert and then returns to the other side of the movable die cushion plate to be connected with the water outlet II.
The device further comprises a positioning block I, a positioning block II, a guide sleeve and a guide pillar, wherein the positioning block I is arranged in the middle of the front and rear side edges of the lower bottom surface of the fixed die plate, and a square guide bar is arranged on the lower bottom surface of the positioning block I; the positioning block II is arranged on the upper top surface of the movable die base plate at a position corresponding to the positioning block I, and a square guide groove is formed in the upper top surface of the positioning block II; the guide sleeves are arranged on four corners of the lower bottom surface of the fixed die plate, and the positions of the guide posts corresponding to the guide sleeves are arranged on the upper top surface of the movable die base plate;
the square guide bar at the lower bottom surface of the positioning block I is inserted into the square guide groove at the upper top surface of the positioning block II; the guide post is inserted into the guide sleeve.
The front-back, left-right directions described in the present invention are determined based on the schematic sectional view of the B-B direction of the mold of the present invention of fig. 6.
The beneficial effects of the invention are as follows:
the molding part of the plastic part comprises 1 cavity insert, 1 core insert, 2 haff sliders and 2 hole cores. Under the formation of the molding part, the layout of the molding part mold cavity in the mold frame is set as one mold-cavity. Therefore, the parting arrangement can solve the problem of mould design, and has several obvious advantages: 1) After the block forming is carried out according to the area, the sticking force of each block forming piece is relatively small during the demolding, the adhesion force of the forming piece to the plastic piece during the demolding is small, and the demolding deformation of each area of the plastic piece is greatly reduced; 2) The structural complexity of the molded part can be effectively reduced, the part processing and the molding precision of the inner and outer wall molded part are facilitated, and the problem of uneven wall thickness of a die cavity after assembly caused by the processing error of the molded part is solved; 3) The plastic part is convenient to demould by necking, circular grooves and other characteristics, and the demould force is small; 4) Deformation of the forming core can be effectively avoided; 5) The mold structure can be simplified, thereby being beneficial to the reduction of the manufacturing cost of the mold.
According to the invention, the original movable mould plate of the mould is modified into two guide pressing blocks, the guide strips for guiding the movement of the two haver sliding blocks are arranged on the inner sides of the guide pressing blocks, and the movable mould plate of the mould frame is used as a support mould plate, so that the peripheral use size of the movable mould plate is reduced, namely the specification size of the mould frame of the mould is reduced, and the overall manufacturing cost of the mould is reduced.
The pouring gate is arranged at the top end of the frustum, so that the balanced filling of the die cavity of the plastic part and the shrinkage consistency after molding can be ensured.
The mold adopts a three-level positioning mode to perform positioning, wherein the first-level positioning is the positioning of the guide post and the guide sleeve, so that the closing positioning precision of the movable mold part and the fixed mold part can be ensured; the second stage is positioned as 4 fine positioning blocks arranged between the fixed die plate and the guide pressing block, the function of the second stage is to ensure the accurate positioning of front and rear die blanks, the positioning precision of the positioning blocks is far higher than that of the guide posts, the matching grooves of the positioning blocks on the die blanks are matched with each other as much as possible to ensure the matching precision of the front and rear die blanks, and the function of the second stage is to prevent the problem that the surface of a die insert is easy to wear to cause the mantles of products and the surface appearance of the side surface of a plastic part is pulled; the third-stage positioning is the tiger mouth positioning between the left half slide block and the right half slide block, is the accurate positioning of the two half slide blocks, is a main positioning mechanism for effectively protecting the hand-protecting and inserting broken surface at the upper end of the half slide block, and also bears the lateral pressure of injection molding, so that the broken surface of the half slide block can be effectively protected in the mold opening and closing process, and the drawing of the frustum appearance surface of a plastic part can be effectively prevented.
The invention designs a one-die one-cavity single-point gate three-plate injection mold, and designs a combined type half slide block core pulling mechanism for realizing complete demolding of the appearance surface of a plastic part, wherein in the mechanism, a first 2 times of parting opening of a three-plate die is firstly used for driving a rod inserting mechanism to perform core pulling demolding on a secondary molding part in the half slide block, and then a 3 rd time of parting opening of the mold is used for driving an inclined guide pillar to perform side core pulling demolding on two half slide blocks, so that interference-free sequential core pulling of two molding parts with different cross core pulling directions in a region is solved, the appearance molding quality of the plastic part is ensured, and the mold has better structural design reference significance.
Drawings
FIG. 1 is a schematic view of an art basket chimney of the present invention;
FIG. 2 is a schematic view of a parting arrangement of an art basket lampshade of the present invention;
FIG. 3 is a schematic diagram of the mechanical arrangement of an art basket lampshade of the present invention;
FIG. 4 is a schematic top view of the upper die of the present invention;
FIG. 5 is a schematic view of a cross-section in the A-A direction of the mold of the present invention;
FIG. 6 is a schematic view of a cross-section in the B-B direction of the mold of the present invention;
FIG. 7 is a schematic view in section in the C-C direction of the mold of the present invention;
FIG. 8 is a schematic view showing the bottom view of the lower die of the present invention;
FIG. 9 is a schematic perspective view of a mold according to the present invention;
the serial numbers and names in the figures are:
1-a top plate; 2-a bottom plate; 3-cavity inserts; 4-core inserts; 5-a fixed template; 6-a movable die backing plate; 7-guiding a pressing block; 8-cushion blocks; 9-thimble; 10-sliding blocks; 11-pouring gate; 12-a guide rod; 13-a sprue bushing; 14-positioning rings; 15-runner plate; 16-a return spring; 17-a reset lever; 18-pushing plate; 19-a panel; 20-wedging blocks; 21-a guide rail; 22-haverse slide blocks; 23-Kong Xingxin; 24-insert; 25-hole core spring; 26-a compaction block; 27-flow channel I; 28-runner II; 29-a discharging ring; 30-a horizontal spring slot; 31-horizontal through holes; 32-cooling pipeline I; 33-water inlet I; 34-a water outlet I; 35-cooling pipeline II; 36-water inlet II; 37-water outlet II; 38-positioning block I; 39-positioning block II; 40-guiding sleeve; 41-guide posts; p1, P2, P3-die-opening surfaces.
Detailed Description
The invention will now be described in more detail by way of specific embodiments thereof with reference to the accompanying drawings.
Example 1
As shown in fig. 1-9, the multidirectional core-pulling half slide block mechanism die of the artistic basket lampshade comprises an upper die and a lower die, wherein the upper die comprises a top plate 1, a pouring system, a fixed die plate 5 and a runner plate 15; the lower die comprises a bottom plate 2, a core insert 4, a movable die base plate 6, a guide pressing block 7, a cushion block 8 and a half slide block mechanism;
the runner plate 15 is fixedly arranged on the lower bottom surface of the top plate 1, and the fixed die plate 5 is fixedly arranged on the lower bottom surface of the runner plate 15; the pouring system comprises a pouring opening 11 and a runner I27, wherein the pouring opening 11 is arranged in the middle of the top plate 1, the upper end of the pouring opening penetrates out of the upper surface of the top plate 1 and is communicated with a nozzle of the injection machine, the lower end of the pouring opening penetrates through the top plate 1, a pouring outlet is reserved on the lower surface of the top plate 1, the runner I27 penetrates through the runner plate 15 and the fixed die plate 5, the upper end of the runner I27 is connected with the pouring outlet, and the lower end of the runner I27 is arranged in the middle of the lower bottom surface of the fixed die plate 5;
the cushion block 8 is arranged on the bottom plate 2, and the movable die cushion plate 6 is arranged on the cushion block 8;
the guide pressing blocks 7 are provided with two groups, the bottoms of the guide pressing blocks are provided with sliding blocks 10, the front side and the rear side of the movable die base plate 6 are respectively provided with a sliding groove I in the left-right direction, and the guide pressing blocks 7 are arranged on the sliding grooves I through the sliding blocks 10;
guide rods 12 which incline from inside to outside along the left-right direction are respectively and fixedly arranged on the left side and the right side of the lower bottom surface of the fixed template 5, inclined guide holes are formed in the guide pressing block 7 corresponding to the guide rods 12, the guide rods 12 are inserted into the guide holes, and when the upper die and the lower die are separated, the lower ends of the guide rods 12 are still positioned in the guide holes;
the middle part of the upper surface of the movable mould cushion plate 6 is provided with a core insert 4 corresponding to the inner wall structure of the artistic basket lampshade;
the half mould cavities of the two half slide mechanisms are arranged oppositely, after folding, an outer profile cavity containing the top surface and the side wall of the artistic basket lampshade is formed, the core insert 4 is integrally wrapped, a half runner is arranged above the half mould cavities of the two half slide mechanisms, a runner II 28 is formed when the two half slide mechanisms are folded, the upper end of the runner II 28 is connected with the lower end of the runner I27, and the lower end of the runner II 28 is communicated with the middle of the top of the outer profile cavity.
The mold comprises a mold cavity and is characterized by further comprising a mold cavity insert II 3, wherein the mold cavity insert 3 is arranged in the middle of the lower bottom surface of the fixed mold plate 5 and corresponds to the middle position of a hook structure at the top of the artistic basket lampshade, and when the upper mold and the lower mold are closed, the mold cavity insert II 3 is at a certain distance from the top surface of the mold core insert 4, and the distance is the thickness of the top plate of the artistic basket lampshade.
The pouring system also comprises a sprue bushing 13, a positioning ring 14 and a discharging ring 29, wherein the sprue bushing 13 and the positioning ring 14 are arranged in the middle of the top plate 1 and integrally cover the sprue gate 11; the semi-circular grooves are formed in the middle of the semi-circular channel above the half-mould cavities of the two half-mould sliding block mechanisms, the diameter of each semi-circular groove is larger than that of each half-mould channel, and the semi-circular grooves form a discharging ring 29 when the two half-mould sliding block mechanisms are folded.
The injection molding machine comprises a movable workbench, and is characterized by further comprising a pushing mechanism, wherein the pushing mechanism comprises a thimble 9, a return spring 16, a return rod 17, a push plate 18 and a panel 19, and the push plate 18 is connected with a hydraulic ejector rod arranged on the movable workbench of the injection molding machine and can be driven by the hydraulic ejector rod to lift;
the cushion blocks 8 are provided with two groups which are respectively positioned at the left side and the right side of the upper surface of the bottom plate 2; the panel 19 is fixedly arranged on the upper surface of the bottom plate 2 and positioned between the two groups of cushion blocks 8, the push plate 18 is arranged on the panel 19, 4 vertical ejector pins 9 are fixedly arranged on the push plate 18, and the 4 ejector pins 9 are distributed in a square shape; the movable die cushion plate 6 is provided with a vertical through hole I corresponding to the thimble 9, and the core insert 4 is provided with a vertical through hole II corresponding to the thimble 9; the upper end of the thimble 9 passes through the through hole I and the through hole II and extends upwards to the top end of the core insert 4;
the lower end of the reset rod 17 is fixedly arranged on the panel 19, the upper end of the reset rod passes through the push plate 18 and is fixedly connected with the lower end face of the movable mould cushion plate 6, the reset rod 17 is sleeved with the reset spring 16, the upper end of the reset spring 16 is in contact with the movable mould cushion plate 6, the lower end of the reset spring 16 is in contact with the push plate 18, and in an initial unclamped state, the reset spring 16 is in a compressed state and props the push plate 18, so that the push plate 18 is positioned closest to the bottom face of the mould frame.
The Harvard slide block mechanism comprises a wedging block 20, a guide rail bar 21, a Harvard slide block 22, a hole core 23, an insert 24, a hole core spring 25 and a compressing block 26;
the guide rail strip 21 is horizontally arranged on the movable die cushion plate 6 along the left-right direction and is positioned between the guide pressing block 7 and the Harvard slide block 22, a chute II is arranged on the Harvard slide block 22, the guide rail strip 21 is arranged on the guide rail strip 21 through the chute II, and the guide rail strip 21 guides the motion of the Harvard slide block 22;
the lower parts of the half sliders 22 of the two sets of half slider mechanisms are provided with horizontal spring grooves 30 and horizontal through holes 31 with the axes being coincident, the horizontal spring grooves 30 are arranged on the outer walls of the half sliders 22, the horizontal through holes 31 are arranged on the bottom surfaces of the horizontal spring grooves 30 and penetrate through the inner walls of the half sliders 22, and the inner diameters of the horizontal spring grooves 30 are larger than the inner diameters of the horizontal through holes 31; the axes of the horizontal spring grooves 30 and the horizontal through holes 31 of the two groups of the half slide block mechanisms are overlapped;
the hole core 23 is arranged in the horizontal through hole 31, the front end of the hole core 23 extends outwards, the insert 24 is fixedly arranged on the hole core 23, the tail end of the hole core 23 extends into the half-mold cavity, the hole core spring 25 is arranged in the spring groove 30, the front end of the hole core spring 25 is fixedly connected with the insert 24, the rear end of the hole core spring is fixed with the bottom surface of the horizontal spring groove 30, and in a natural state, the hole core spring 25 pushes the insert 24 to push the hole core 23 out of the half-mold cavity;
the upper end of the compression block 26 is fixedly connected with the top plate 1, a compression surface inclined upwards from inside to outside is arranged at the lower end of the compression block 26, a pressure bearing surface inclined downwards from inside to outside is arranged at the front end of the insert 24, the compression surface corresponds to the pressure bearing surface, when the upper die and the lower die are clamped, the compression surface is in contact with the pressure bearing surface, and the insert 24 is pushed to drive the hole core 23 to extend inwards, so that Kong Xingxin contacts the core insert 4.
The upper end of the outer wall of the movable mould cushion plate 6 is provided with a wedging block 20, the upper end face of the wedging block 20 is provided with a clamping groove corresponding to the lower end of the compression block 26, when the upper mould and the lower mould are closed, the compression surface at the lower end of the compression block 26 presses the compression surface and then enters the clamping groove, the compression surface is locked by the wedging block 20, and when the mould is opened, the lower end of the wedging block 20 firstly leaves the clamping groove to unlock.
The cooling system comprises a cooling pipeline I32, a water inlet I33, a water outlet I34, a cooling pipeline II 35, a water inlet II 36 and a water outlet II 37, wherein the water inlet I33 and the water outlet I34 are arranged at the lower part of the Harvard slide block 22, the water inlet I33 is arranged above the water outlet I34, the cooling pipeline I32 enters the Harvard slide block 22 from the water inlet I33, and the cooling pipeline I is connected with the water outlet I34 after surrounding the inner wall of the Harvard slide block 22 for a circle;
the water inlet II 36 and the water outlet II 37 are respectively arranged at two sides of the movable mould backing plate 6, the water inlet II 36 at one side of the movable mould backing plate 6 of the cooling pipeline II 35 penetrates through the movable mould backing plate 6 and then enters the core insert 4, and the water inlet II returns to the other side of the movable mould backing plate 6 after upwards moving a circle along the core insert 4 to be connected with the water outlet II 37.
The device further comprises a positioning block I38, a positioning block II 39, a guide sleeve 40 and a guide pillar 41, wherein the positioning block I38 is arranged in the middle of the front side edge and the rear side edge of the lower bottom surface of the fixed template 5, and a square guide bar is arranged on the lower bottom surface of the positioning block I38; the positioning block II 39 is arranged on the upper top surface of the movable die cushion plate 6 at a position corresponding to the positioning block I38, and a square guide groove is formed in the upper top surface of the positioning block II 39; the guide sleeves 40 are arranged on four corners of the lower bottom surface of the fixed die plate 5, and the guide posts 41 are arranged on the upper top surface of the movable die base plate 6 at positions corresponding to the guide sleeves 40;
the square guide bar on the lower bottom surface of the positioning block I38 is inserted into the square guide groove on the upper top surface of the positioning block II 39; the guide post 41 is inserted into the guide sleeve 40.
After the die is arranged on the injection molding machine, the working process of the invention is as follows:
(1) and opening the parting surfaces P1 and P2: the movable mould of the mould retreats, the mould plates are opened at the P1 and P2 surfaces in sequence, in the process, runner waste materials are separated from plastic parts and are automatically demoulded, two groups of compacting blocks 26 respectively drive Kong Xingxin to perform core pulling movement firstly, demoulding of side jacks is achieved, and after the side jacks are demoulded, hole type cores 23 stay in the Harvard slide blocks 22;
(2) p3 is opened: the movable mould continues to retreat, the two groups of guide rods 12 respectively drive the half slide blocks 22 to perform side core pulling, and drive the hole core 23 to move outwards together, so that core pulling and demoulding of the outer wall of the plastic part and the protective hook are completed;
(3) ejection: after the mold opening is finished, the ejector rod of the injection molding machine pushes the ejector pin 9 on the push plate 18 to eject the plastic part from the core insert 4 to completely demolding;
(4) reset closure: during resetting, the push plate 18 is reset firstly, and then the P3 surface is closed; the haverse slide block 22 is reset firstly, then the P2 and P1 are closed, the Kong Xingxin is reset, the lower end of the compaction block 26 compacts the Kong Xingxin against the tension of the hole core spring 25, and the die is completely closed.
Claims (6)
1. The utility model provides an art basket lamp shade multidirectional half slider mechanism mould of loosing core, includes mould and lower mould, its characterized in that:
the upper die comprises a top plate (1), a pouring system, a fixed die plate (5) and a runner plate (15);
the lower die comprises a bottom plate (2), a core insert (4), a movable die base plate (6), a guide pressing block (7), a cushion block (8) and a half slide block mechanism;
the runner plate (15) is fixedly arranged on the lower bottom surface of the top plate (1), and the fixed die plate (5) is fixedly arranged on the lower bottom surface of the runner plate (15); the pouring system comprises a pouring opening (11) and a runner I (27), wherein the pouring opening (11) is arranged in the middle of a top plate (1), the upper end of the pouring opening penetrates out of the upper surface of the top plate (1) and is communicated with a nozzle of an injection machine, the lower end of the pouring opening penetrates through the top plate (1), a pouring outlet is reserved on the lower surface of the top plate (1), the runner I (27) penetrates through a runner plate (15) and a fixed die plate (5), the upper end of the runner I (27) is connected with the pouring outlet, and the lower end of the runner I is arranged in the middle of the lower bottom surface of the fixed die plate (5);
the cushion block (8) is arranged on the bottom plate (2), and the movable mould base plate (6) is arranged on the cushion block (8);
the guide press blocks (7) are provided with two groups, the bottoms of the guide press blocks are provided with slide blocks (10), the front side and the rear side of the movable die base plate (6) are respectively provided with a sliding groove I in the left-right direction, and the guide press blocks (7) are arranged on the sliding grooves I through the slide blocks (10);
guide rods (12) which incline from inside to outside along the left-right direction are respectively and fixedly arranged on the left side and the right side of the lower bottom surface of the fixed template (5), inclined guide holes are formed in the guide pressing block (7) corresponding to the guide rods (12), the guide rods (12) are inserted into the guide holes, and when the upper die and the lower die are separated, the lower ends of the guide rods (12) are still positioned in the guide holes;
the middle part of the upper surface of the movable mould base plate (6) is provided with a core insert (4) corresponding to the inner wall structure of the artistic basket lampshade;
the half mould cavities of the two half slide mechanisms are oppositely arranged and form an outer profile cavity containing the top surface and the side wall of the artistic basket lampshade after being folded, a half runner is integrally wrapped on the core insert (4), a runner II (28) is formed when the two half mould cavities of the two half slide mechanisms are folded, the upper end of the runner II (28) is connected with the lower end of the runner I (27), and the lower end of the runner II (28) is communicated with the middle of the top of the outer profile cavity;
the injection molding machine comprises an injection molding machine moving workbench, and is characterized by further comprising a pushing mechanism, wherein the pushing mechanism comprises a thimble (9), a return spring (16), a return rod (17), a push plate (18) and a panel (19), and the push plate (18) is connected with a hydraulic ejector rod arranged on the injection molding machine moving workbench and can be driven by the hydraulic ejector rod to lift;
the cushion blocks (8) are provided with two groups which are respectively positioned at the left side and the right side of the upper surface of the bottom plate (2); the panel (19) is fixedly arranged on the upper surface of the bottom plate (2) and positioned between the two groups of cushion blocks (8), the push plate (18) is arranged on the panel (19), 4 vertical ejector pins (9) are fixedly arranged on the push plate (18), and the 4 ejector pins (9) are distributed in a square shape; the movable mould base plate (6) is provided with a vertical through hole I corresponding to the ejector pin (9), and the core insert (4) is provided with a vertical through hole II corresponding to the ejector pin (9); the upper end of the thimble (9) passes through the through hole I and the through hole II and extends upwards to the top end of the core insert (4);
the lower end of the reset rod (17) is fixedly arranged on the panel (19), the upper end of the reset rod passes through the push plate (18) and is fixedly connected with the lower end face of the movable die cushion plate (6), the reset rod (17) is sleeved with a reset spring (16), the upper end of the reset spring (16) is contacted with the movable die cushion plate (6), the lower end of the reset spring is contacted with the push plate (18), and in an initial unclamped state, the reset spring (16) is in a compressed state to prop the push plate (18) so that the push plate (18) is positioned closest to the bottom face of the die carrier;
the Harvard slide block mechanism comprises a wedging block (20), a guide rail strip (21), a Harvard slide block (22), a hole core (23), an insert (24), a hole core spring (25) and a compacting block (26);
the guide rail strip (21) is horizontally arranged on the movable die cushion plate (6) along the left-right direction and is positioned between the guide pressing block (7) and the half slide block (22), a sliding groove II is arranged on the half slide block (22), the guide rail strip (21) is arranged on the guide rail strip (21) through the sliding groove II, and the guide rail strip (21) guides the motion of the half slide block (22);
the lower parts of the half sliders (22) of the two sets of half slider mechanisms are provided with horizontal spring grooves (30) and horizontal through holes (31) with the axes being coincident, the horizontal spring grooves (30) are arranged on the outer walls of the half sliders (22), the horizontal through holes (31) are arranged on the bottom surfaces of the horizontal spring grooves (30) and penetrate through the inner walls of the half sliders (22), and the inner diameters of the horizontal spring grooves (30) are larger than the inner diameters of the horizontal through holes (31); the axes of the horizontal spring grooves (30) and the horizontal through holes (31) of the two groups of the Hafu slide block mechanisms are overlapped;
the hole type core (23) is arranged in the horizontal through hole (31), the front end of the Kong Xingxin (23) extends outwards, an insert (24) is fixedly arranged on the hole type core, the tail end of the hole type core (23) extends into the half mold cavity, the hole type core spring (25) is arranged in the spring groove (30), the front end is fixedly connected with the insert (24), the rear end is fixed with the bottom surface of the horizontal spring groove (30), and in a natural state, the hole type core spring (25) pushes the insert (24) to push the hole type core (23) out of the half mold cavity;
the vertical setting of compact heap (26), the upper end and roof (1) fixed connection of compact heap (26), be equipped with the pressurization face that leans up from interior to outside direction on the lower extreme of compact heap (26), the front end of insert (24) on be equipped with the pressure-bearing surface that leans down from interior to outside direction, pressurization face and pressure-bearing surface corresponding, when upper and lower mould compound die, pressurization face and pressure-bearing surface contact, promote insert (24) drive Kong Xingxin (23) inwards to extend for pass core (23) contact core mold insert (4).
2. The artistic basket lampshade multidirectional core-pulling haver slide block mechanism die of claim 1 is characterized in that: the mold comprises a mold cavity and is characterized by further comprising a mold cavity insert II (3), wherein the mold cavity insert (3) is arranged in the middle of the lower bottom surface of the fixed mold plate (5), corresponds to the middle position of the hook structure at the top of the artistic basket lampshade, and is a certain distance from the mold cavity insert II (3) to the top surface of the mold core insert (4) when the upper mold and the lower mold are closed, and the distance is the thickness of the top plate of the artistic basket lampshade.
3. The artistic basket lampshade multidirectional core-pulling haver slide block mechanism die of claim 1 is characterized in that: the pouring system also comprises a sprue bushing (13), a positioning ring (14) and a discharging ring (29), wherein the sprue bushing (13) and the positioning ring (14) are arranged in the middle of the top plate (1) and integrally cover the pouring gate (11); the semi-circular grooves are formed in the middle of the semi-circular channel above the half-mould cavities of the two half-mould sliding block mechanisms, the diameter of each semi-circular groove is larger than that of each half-mould channel, and the semi-circular grooves form a discharging ring (29) when the two half-mould sliding block mechanisms are folded.
4. The artistic basket lampshade multidirectional core-pulling haver slide block mechanism die of claim 1 is characterized in that: the upper end of the outer wall of the movable mould base plate (6) is provided with a wedging block (20), the upper end face of the wedging block (20) is provided with a clamping groove corresponding to the lower end of the pressing block (26), when the upper mould and the lower mould are closed, a pressing surface at the lower end of the pressing block (26) presses a pressure bearing surface and then enters the clamping groove, the pressing surface is locked by the wedging block (20), and when the mould is opened, the lower end of the wedging block (20) leaves the clamping groove to unlock.
5. The artistic basket lampshade multidirectional core-pulling haver slide block mechanism die of claim 1 is characterized in that: the cooling system comprises a cooling pipeline I (32), a water inlet I (33) and a water outlet I (34), wherein the cooling pipeline II (35), the water inlet II (36) and the water outlet II (37), the water inlet I (33) and the water outlet I (34) are both arranged at the lower part of the Harvard slide block (22), the water inlet I (33) is arranged above the water outlet I (34), the cooling pipeline I (32) enters the Harvard slide block (22) from the water inlet I (33), and the water outlet I (34) is connected after surrounding the inner wall of the Harvard slide block (22) for one circle;
the water inlet II (36) and the water outlet II (37) are respectively arranged on two sides of the movable mould base plate (6), the water inlet II (36) on one side of the movable mould base plate (6) of the cooling pipeline II (35) penetrates through the movable mould base plate (6) and then enters the core insert (4), and the cooling pipeline II upwards go round along the core insert (4) and then return to the other side of the movable mould base plate (6) to be connected with the water outlet II (37).
6. The artistic basket lampshade multidirectional core-pulling haver slide block mechanism die of claim 1 is characterized in that: the device further comprises a positioning block I (38), a positioning block II (39), a guide sleeve (40) and a guide pillar (41), wherein the positioning block I (38) is arranged in the middle of the front side edge and the rear side edge of the lower bottom surface of the fixed template (5), and square guide bars are arranged on the lower bottom surface of the positioning block I (38); the positioning block II (39) is arranged on the upper top surface of the movable die cushion plate (6) at a position corresponding to the positioning block I (38), and a square guide groove is formed in the upper top surface of the positioning block II (39); the guide sleeves (40) are arranged on four corners of the lower bottom surface of the fixed die plate (5), and the guide posts (41) are arranged on the upper top surface of the movable die base plate (6) at positions corresponding to the guide sleeves (40);
the square guide bar on the lower bottom surface of the positioning block I (38) is inserted into the square guide groove on the upper top surface of the positioning block II (39); the guide post (41) is inserted into the guide sleeve (40).
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| CN201910846799.9A CN110480959B (en) | 2019-09-09 | 2019-09-09 | Multidirectional core-pulling half slide block mechanism die of artistic basket lampshade |
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| CN201910846799.9A CN110480959B (en) | 2019-09-09 | 2019-09-09 | Multidirectional core-pulling half slide block mechanism die of artistic basket lampshade |
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| CN110480959B true CN110480959B (en) | 2024-03-05 |
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| CN114801075B (en) * | 2022-05-09 | 2023-07-14 | 西南科技大学 | Miniature booster turbine injection mould |
| CN116512541B (en) * | 2023-07-03 | 2023-08-22 | 赫比(成都)精密塑胶制品有限公司 | Sectional type slider actuating mechanism and injection molding machine |
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