CN116512548A - Processing mold convenient for demolding and application method thereof - Google Patents
Processing mold convenient for demolding and application method thereof Download PDFInfo
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- CN116512548A CN116512548A CN202310363246.4A CN202310363246A CN116512548A CN 116512548 A CN116512548 A CN 116512548A CN 202310363246 A CN202310363246 A CN 202310363246A CN 116512548 A CN116512548 A CN 116512548A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims description 46
- 230000000149 penetrating effect Effects 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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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
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/66—Mould opening, closing or clamping devices mechanical
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a processing die convenient for demolding and a use method thereof, comprising a movable die, an ejection mechanism, a connecting mechanism and a limiting mechanism, wherein the ejection mechanism comprises a plurality of first ejector rods and second ejector rods, a plurality of first jacks are formed in the fixed die, a plurality of second jacks are formed in the fixed die, the connecting mechanism comprises a connecting frame, an installation cavity is formed in the movable die, and a connecting plate is arranged on the inner wall of the connecting frame in an inserted mode. According to the invention, by means of the arrangement of the ejection mechanism, the connecting mechanism and the limiting mechanism, the first ejector rod in the ejection mechanism is firstly lifted to enable the first clamping block to jack up the product and enable the product to be separated from the second clamping block, then the first ejector rod is not lifted any more to enable the second ejector rod to lift up the second clamping block to enable the second clamping block to jack up the product and enable the product to be separated from the first clamping block, so that the product can be completely separated from the die during demolding, and the stability and convenience of product demolding are improved.
Description
Technical Field
The invention relates to the technical field of mold demolding, in particular to a processing mold convenient to demolding and a use method thereof.
Background
The mold is a device for processing and producing a product with a specific shape, the injection mold is one of common molds, after the injection mold is closed, the extrusion device injects molten plastic into a cavity in the mold through an injection hole until the product is cooled and molded in the cavity, at the moment, the molded product is ejected out of the mold through an ejection mechanism in the mold, but an ejector rod of the ejection mechanism is arranged at the bottom of the cavity, after the product is molded, no matter the product is adhered to the cavity, the bottom end of the product is adhered to the ejector rod, and when the ejector rod is lifted to jack the product, the product is adhered to the ejector rod all the time, so that after the product is separated from the cavity, an operator also needs to take down the product forcefully, the product is separated from the ejector rod, and the product is easily damaged at the adhered part of the ejector rod, so that the stability and convenience of demolding of the mold are reduced.
Disclosure of Invention
The invention aims to provide a processing die convenient for demolding and a use method thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a mold processing convenient for demolding, comprising:
the injection molding device comprises a movable die, wherein a fixed die is arranged below the movable die, a first cavity is formed in the bottom end of the movable die, a second cavity is formed in the top end of the fixed die, and an injection molding hole is formed in the top end of the movable die;
the ejection mechanism comprises a plurality of first ejector rods and second ejector rods, wherein a plurality of first jacks are formed in the fixed die, the outer walls of the first ejector rods are respectively and movably connected with the inner walls of the first jacks in a penetrating way, first clamping grooves are formed in the top ends of the inner walls of the first jacks, first clamping blocks are fixedly connected to the top ends of the first ejector rods, the first clamping blocks are movably and alternately connected to the inner walls of the first clamping grooves, a plurality of second jacks are formed in the fixed die, the outer walls of the second ejector rods are respectively and movably and alternately connected with the inner walls of the second jacks, second clamping grooves are formed in the top ends of the inner walls of the second jacks, second clamping blocks are fixedly connected to the top ends of the second ejector rods, and the second clamping blocks are respectively and movably and alternately connected to the inner walls of the second clamping grooves;
the connecting mechanism comprises a connecting frame, an installation cavity is formed in the movable mould, a plurality of first jacks and second jacks are respectively communicated with the installation cavity, the outer wall of the connecting frame is in sliding connection with the inner wall of the installation cavity, a connecting plate is arranged on the inner wall of the connecting frame in a penetrating mode, a hydraulic cylinder is arranged on the inner wall of the installation cavity, the output end of the hydraulic cylinder is in transmission connection with the bottom end of the connecting plate, and two groups of clamping mechanisms are arranged between the connecting plate and the connecting frame;
and the limiting mechanism is arranged in the second ejector rod.
Preferably, the clamping mechanism comprises a clamping block, a first movable hole is formed in one side of the connecting plate, the clamping block is slidably connected to the inner wall of the first movable hole, a first inclined plane is formed in one side of the clamping block, an arc chamfer is formed in the top of the inner wall of the connecting frame, and a first spring is arranged on the other side of the clamping block.
Preferably, the connecting hole has been seted up to the inner wall in first movable hole, the inner wall activity in connecting hole alternates and is connected with the connecting rod, the opposite side fixed connection of one end and joint piece of connecting rod, the outside of connecting rod is located to first spring housing, the spacing groove has all been seted up to the top and the bottom of first movable hole inner wall, the equal fixedly connected with stopper in top and the bottom of joint piece, two the outer wall of stopper has with the inner wall sliding connection in two spacing grooves respectively, the joint hole has been seted up to the inner wall of connecting frame, joint piece activity alternates and is connected in the inner wall in joint hole, the inside in joint hole is provided with release mechanism.
Preferably, the unlocking mechanism comprises an unlocking rod, the outer wall of the unlocking rod is movably connected with the inner wall of the clamping hole in a penetrating mode, the top end of the unlocking rod is provided with a slot, the inner wall of the slot is provided with a second inclined plane, the top end of the connecting frame is provided with a communicating groove, the top end of the inner wall of the mounting cavity is fixedly connected with a fixing column, the bottom end of the fixing column is provided with a third inclined plane, and a reset mechanism is arranged between the unlocking rod and the clamping hole.
Preferably, the reset mechanism comprises a fixed shaft, fixed shaft fixed connection is in the inner wall of joint hole, the second movable hole has been seted up to one side of unlocking lever, the outer wall of fixed shaft and the inner wall sliding connection in second movable hole, first movable chamber has been seted up to the inner wall in second movable hole, the inner wall sliding connection in first movable chamber has the connecting block, one end and one side fixed connection of connecting block of fixed shaft, the outer wall cover of fixed shaft has the second spring, the second spring sets up in the inside in first movable chamber and is located one side of connecting block, the spout has been seted up to the inner wall in installation chamber, one side fixedly connected with slider of connecting frame, the outer wall and the inner wall sliding connection of spout of slider.
Preferably, the stop gear includes two gag levers, two third movable holes have been seted up to the outer wall of second ejector pin, two the outer wall of gag lever post respectively with the inner wall sliding connection of two third movable holes, the second movable chamber has been seted up to the inside of second ejector pin, two the third movable hole is linked together with the second movable chamber respectively, the inner wall sliding connection of second movable chamber has the extrusion piece, the circle mesa has been seted up to the extrusion piece outer wall, the bottom fixedly connected with dead lever of extrusion piece, the fourth movable hole has been seted up to the bottom of second movable chamber inner wall, the outer wall of dead lever and the inner wall movable interlude of fourth movable hole are connected, the bottom and the top fixed connection of connecting plate of dead lever.
Preferably, a third movable cavity is formed in the inner wall of the third movable hole, a first limiting ring is slidably connected to the inner wall of the third movable cavity, a third spring is arranged on one side of the first limiting ring, and the third spring is sleeved outside the limiting rod.
Preferably, a fourth movable cavity is formed in the inner wall of the second jack, a second limiting ring is connected to the inner wall of the fourth movable cavity in a sliding mode, the second limiting ring is fixedly sleeved on the outer wall of the second ejector rod, a fourth spring is arranged on the top end of the second limiting ring, and the fourth spring is sleeved outside the second ejector rod.
Preferably, the top fixedly connected with of movable mould goes up the connecting seat, the bottom fixedly connected with of cover half is connecting seat down, the bottom fixedly connected with of going up the connecting seat is a plurality of uide bushing, the top fixedly connected with of connecting seat is a plurality of guide bars down, a plurality of the outer wall of guide bar respectively with the inner wall activity interlude of a plurality of uide bushing is connected.
The invention also provides a using method of the processing die convenient for demoulding, which comprises the following steps:
step one: the method comprises the steps of connecting an external extrusion device with an injection hole, injecting molten plastic material into a first cavity and a second cavity through the injection hole, cooling and forming the molten plastic in the first cavity and the second cavity after filling, and then moving a movable die upwards through the external device;
step two: the hydraulic cylinder works to enable the hydraulic cylinder to drive the connecting plate to ascend, the connecting plate ascends to drive the connecting frame to ascend synchronously through the limiting holes, the connecting frame ascends to drive the plurality of first ejector rods to ascend, the first ejector rods ascend to drive the first clamping blocks to ascend, the first clamping blocks ascend can jack up products molded in the second cavity to be demolded, meanwhile, under the limiting of the two limiting rods, the second ejector rods are enabled to be motionless in the second jack, the ascending products can be separated from the second clamping blocks, the connecting plate ascends to drive the fixing rods to ascend along with the continuous work of the hydraulic cylinder, the fixing rods ascend to drive the extrusion blocks to ascend until the extrusion blocks ascend to enable the round table surface to be in contact with the third springs, meanwhile, the extrusion blocks slowly ascend along with the extrusion blocks, and under the elastic action of the third springs on the first limiting rings, the limiting rods slowly move towards the second movable cavity until the limiting rods completely submerge in the third movable holes, and the two third movable holes are not opposite to the second limiting rods, and meanwhile, the extrusion blocks can ascend along with the second clamping blocks to the second movable top ends of the extrusion blocks;
step three: the connecting frame and the connecting plate continue to ascend, so that the first ejector rod and the second ejector rod ascend until the connecting frame ascends to enable the fixed column to penetrate through the communicating groove and be inserted into the slot, the third inclined plane is enabled to contact with the second inclined plane, the third inclined plane can continue to ascend along with the connecting frame, the second inclined plane is enabled to be extruded by the third inclined plane, the unlocking rod moves in the clamping hole to move to extrude the clamping block, the second spring is enabled to be compressed by the unlocking rod, until the fixed column is completely inserted into the slot, at the moment, the unlocking rod just extrudes the clamping block into the clamping hole, at the moment, the connection between the connecting frame and the connecting plate is released, the connecting frame does not move upwards any more, and the connecting plate continues to move upwards along with the operation of the hydraulic cylinder, so that the second ejector rod continues to move upwards until the second clamping block abuts against the bottom end of a product, and the second clamping block continues to move upwards, so that the product can be separated from the first clamping block, at the moment, the product is completely demoulded, and a worker can easily take down the product;
step four: after the product is taken down, the pneumatic cylinder work drives the connecting plate and moves down, the connecting plate moves down and drives the extrusion piece to move down, the extrusion piece moves down and can make the second ejector pin move down, until the second ejector pin moves down and makes two gag levers post remove to the installation intracavity, receive the extrusion of extrusion piece outer wall this moment, make the gag lever post by the extrusion third movable hole, simultaneously along with the connecting plate continues to move down, make the first inclined plane on the joint piece can contact with the circular arc chamfer and extrude, make the joint piece shrink slowly go into in the first movable hole, and make extrusion in the first spring, until the joint piece moves to align with the joint hole, at this moment under the elasticity effect of first spring, make the joint piece be popped out and insert in the joint hole, make the connecting plate be connected with the connecting frame.
The invention has the technical effects and advantages that:
(1) According to the invention, by means of the arrangement of the ejection mechanism, the connecting mechanism and the limiting mechanism, the first ejector rod in the ejection mechanism is firstly lifted to enable the first clamping block to jack up the product and enable the product to be separated from the second clamping block, then the first ejector rod is not lifted any more to enable the second ejector rod to lift up the second clamping block to enable the second clamping block to jack up the product and enable the product to be separated from the first clamping block, so that the product can be completely separated from the die during demolding and is not adhered any more, and the stability and convenience of product demolding are improved;
(2) According to the invention, by means of the arrangement of the unlocking mechanism, the connecting frame is lifted, the fixing column penetrates through the communication groove and is inserted into the slot, the third inclined plane extrudes the second inclined plane, so that the unlocking rod moves in the clamping hole and extrudes the clamping block, the clamping block is separated from the clamping hole, the connecting plate is separated from the connecting frame, and the convenience of separating the connecting plate from the connecting frame is improved;
(3) According to the invention, the extrusion block and the limiting rod are used for extruding the limiting rod, so that the limiting rod is inserted into the third movable hole, the two inserted limiting rods can limit the second ejector rod, the second ejector rod is prevented from rising in the second jack to move upwards, and the working stability of the second ejector rod is improved.
Drawings
FIG. 1 is a schematic diagram of the front cross-sectional structure of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the present invention.
Fig. 3 is a schematic view of a partial enlarged structure at a of fig. 1 according to the present invention.
Fig. 4 is a schematic view of a partial enlarged structure at B of fig. 1 according to the present invention.
Fig. 5 is a schematic view of a partial enlarged structure at C of fig. 1 according to the present invention.
Fig. 6 is a schematic view of a partial enlarged structure at D of fig. 1 according to the present invention.
In the figure: 11. a movable mold; 12. a fixed mold; 13. a first cavity; 14. a second cavity; 15. injection molding holes; 21. a first jack; 22. a first ejector rod; 23. a first clamping groove; 24. a first clamping block; 25. a second jack; 26. a second ejector rod; 27. a second clamping groove; 28. a second clamping block; 31. a connection frame; 32. a connecting plate; 33. a first movable hole; 34. a clamping block; 35. a first inclined surface; 36. arc chamfering; 37. a clamping hole; 38. a hydraulic cylinder; 39. a mounting cavity; 41. a first spring; 42. a connecting rod; 43. a connection hole; 44. a limit groove; 45. a limiting block; 51. unlocking the rod; 52. a slot; 53. a second inclined surface; 54. a communication groove; 55. fixing the column; 56. a third inclined surface; 61. a second movable hole; 62. a fixed shaft; 63. a first movable chamber; 64. a connecting block; 65. a second spring; 66. a chute; 67. a slide block; 71. a third movable hole; 72. a limit rod; 73. a second movable chamber; 74. extruding a block; 75. a circular table top; 76. a fourth movable hole; 77. a fixed rod; 81. a third movable chamber; 82. a first stop collar; 83. a third spring; 84. a fourth movable chamber; 85. a second limiting ring; 86. a fourth spring; 91. an upper connecting seat; 92. a lower connecting seat; 93. a guide sleeve; 94. a guide rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a processing mould convenient for demoulding as shown in figures 1-6, which comprises a movable mould 11, an ejection mechanism, a connecting mechanism and a limiting mechanism, wherein a fixed mould 12 is arranged below the movable mould 11, a first cavity 13 is formed at the bottom end of the movable mould 11, a second cavity 14 is formed at the top end of the fixed mould 12, an injection hole 15 is formed at the top end of the movable mould 11, the limiting mechanism is arranged in a second ejector rod 26, and molten plastics is injected into the first cavity 13 and the second cavity 14 through the injection hole 15 by external extrusion equipment, so that the plastics are cooled and formed in the first cavity 13 and the second cavity 14 to obtain a product;
the ejection mechanism comprises a plurality of first ejector rods 22 and second ejector rods 26, a plurality of first jacks 21 are formed in the fixed die 12, the outer walls of the first ejector rods 22 are respectively and movably connected with the inner walls of the first jacks 21 in a penetrating way, first clamping grooves 23 are formed in the top ends of the inner walls of the first jacks 21, first clamping blocks 24 are fixedly connected to the top ends of the first ejector rods 22, the first clamping blocks 24 are movably connected to the inner walls of the first clamping grooves 23 in a penetrating way, a plurality of second jacks 25 are formed in the fixed die 12, the outer walls of the second ejector rods 26 are respectively and movably connected with the inner walls of the second jacks 25 in a penetrating way, second clamping grooves 27 are formed in the top ends of the inner walls of the second jacks 25, second clamping blocks 28 are respectively and movably connected to the inner walls of the second clamping grooves 27 in a penetrating way, products are ejected through the working of the first ejector rods 22 and the second ejector rods 26, the first ejector rods 22 are enabled to be enabled to jack the products, the second clamping blocks 24 are enabled to be ejected, the second clamping blocks 28 are enabled to be separated from the first ejector products, and then the second ejector rods 28 are enabled to be not to be adhered to the products, and the products are enabled to be convenient and the products are enabled to be ejected to be separated from the second products;
the connecting mechanism comprises a connecting frame 31, an installation cavity 39 is formed in the movable mould 11, a plurality of first jacks 21 and second jacks 25 are respectively communicated with the installation cavity 39, the outer wall of the connecting frame 31 is in sliding connection with the inner wall of the installation cavity 39, a connecting plate 32 is arranged on the inner wall of the connecting frame 31 in a penetrating mode, a hydraulic cylinder 38 is arranged on the inner wall of the installation cavity 39, the output end of the hydraulic cylinder 38 is in transmission connection with the bottom end of the connecting plate 32, two groups of clamping mechanisms are arranged between the connecting plate 32 and the connecting frame 31, the first ejector rod 22 and the second ejector rod 26 can work separately through split arrangement of the connecting frame 31 and the connecting frame 31 is a rectangular frame, and therefore the first ejector rod 22 is in annular arrangement, and stress is even and not easy to damage when a product is jacked up;
the clamping mechanism comprises a clamping block 34, a first movable hole 33 is formed in one side of a connecting plate 32, the clamping block 34 is connected to the inner wall of the first movable hole 33 in a sliding mode, a first inclined surface 35 is formed in one side of the clamping block 34, an arc chamfer 36 is formed in the top of the inner wall of a connecting frame 31, a first spring 41 is arranged on the other side of the clamping block 34, the clamping block 34 can be clamped in the clamping hole 37 under the action of elasticity of the first spring 41, the connecting plate 32 and the connecting frame 31 are connected in a connecting mode, the connecting frame 31 and the connecting plate 32 can synchronously move, meanwhile, the first inclined surface 35 is matched with the arc chamfer 36, the connecting plate 32 moves downwards to drive the clamping block 34 to move downwards, the arc chamfer 36 extrudes the first inclined surface 35, the clamping block 34 extrudes the first spring 41 into the first movable hole 33 until the connecting plate 32 can be inserted into the inner wall of the connecting frame 31, and the smoothness of connection between the connecting plate 32 and the connecting frame 31 is improved;
the inner wall of the first movable hole 33 is provided with a connecting hole 43, the inner wall of the connecting hole 43 is movably connected with a connecting rod 42 in a penetrating way, one end of the connecting rod 42 is fixedly connected with the other side of the clamping block 34, a first spring 41 is sleeved outside the connecting rod 42, the top end and the bottom end of the inner wall of the first movable hole 33 are provided with limiting grooves 44, the top end and the bottom end of the clamping block 34 are fixedly connected with limiting blocks 45, the outer walls of the two limiting blocks 45 are respectively connected with the inner walls of the two limiting grooves 44 in a sliding way, the inner wall of the connecting frame 31 is provided with a clamping hole 37, the clamping block 34 is movably connected with the inner wall of the clamping hole 37 in a penetrating way, an unlocking mechanism is arranged inside the clamping hole 37, and the length of the clamping block 34 inserted into the clamping hole 37 is limited through the limiting grooves 44, so that the clamping block 34 can be used stably;
the unlocking mechanism comprises an unlocking rod 51, the outer wall of the unlocking rod 51 is movably connected with the inner wall of the clamping hole 37 in a penetrating way, a slot 52 is formed in the top end of the unlocking rod 51, a second inclined surface 53 is formed in the inner wall of the slot 52, a communication groove 54 is formed in the top end of the connecting frame 31, a fixing column 55 is fixedly connected to the top end of the inner wall of the mounting cavity 39, a third inclined surface 56 is formed in the bottom end of the fixing column 55, a reset mechanism is arranged between the unlocking rod 51 and the clamping hole 37, in the ascending process of the connecting frame 31, the fixing column 55 penetrates through the communication groove 54 and is inserted into the slot 52, the third inclined surface 56 extrudes the second inclined surface 53, so that the unlocking rod 51 moves in the clamping hole 37, the unlocking rod 51 extrudes the clamping block 34, when the fixing column 55 is completely inserted into the slot 52, the clamping block 34 is exactly extruded out of the clamping hole 37, and the connecting plate 32 and the connecting frame 31 can be separated, and at the moment, the first ejector rod 22 is not ascended any more;
the reset mechanism comprises a fixed shaft 62, the fixed shaft 62 is fixedly connected to the inner wall of the clamping hole 37, a second movable hole 61 is formed in one side of the unlocking rod 51, the outer wall of the fixed shaft 62 is in sliding connection with the inner wall of the second movable hole 61, a first movable cavity 63 is formed in the inner wall of the second movable hole 61, a connecting block 64 is connected to the inner wall of the first movable cavity 63 in a sliding manner, one end of the fixed shaft 62 is fixedly connected with one side of the connecting block 64, a second spring 65 is sleeved on the outer wall of the fixed shaft 62, the second spring 65 is arranged in the first movable cavity 63 and is positioned on one side of the connecting block 64, a sliding groove 66 is formed in the inner wall of the installation cavity 39, a sliding block 67 is fixedly connected to one side of the connecting frame 31, the outer wall of the sliding block 67 is in sliding connection with the inner wall of the sliding groove 66, and after the second inclined plane 53 is not extruded any more by the third inclined plane 56, the unlocking rod 51 moves reversely in the clamping hole 37 under the elastic action of the second spring 65 at this time, and the clamping block 34 is not extruded any more;
the limiting mechanism comprises two limiting rods 72, two third movable holes 71 are formed in the outer wall of the second ejector rod 26, the outer walls of the two limiting rods 72 are respectively connected with the inner walls of the two third movable holes 71 in a sliding mode, a second movable cavity 73 is formed in the second ejector rod 26, the two third movable holes 71 are respectively communicated with the second movable cavity 73, an extrusion block 74 is slidably connected with the inner wall of the second movable cavity 73, a round table surface 75 is formed in the outer wall of the extrusion block 74, a fixing rod 77 is fixedly connected to the bottom end of the extrusion block 74, a fourth movable hole 76 is formed in the bottom end of the inner wall of the second movable cavity 73, the outer wall of the fixing rod 77 is movably connected with the inner wall of the fourth movable hole 76 in a penetrating mode, the bottom end of the fixing rod 77 is fixedly connected with the top end of the connecting plate 32, through the limit of the two limit rods 72, when the connecting plate 32 just drives the fixing rod 77 to ascend, the second ejector rod 26 cannot ascend, so that a product is separated from the second clamping block 28 after being jacked up by the first clamping block 24, then the round table surface 75 is enabled to give way to the limit rods 72 along with the continuous upward movement of the extrusion block 74, the limit rods 72 are enabled to be immersed into the third movable holes 71 under the elastic extrusion of the third springs 83, at the moment, the second ejector rod 26 can move upwards in the second jack 25, the second clamping block 28 ascends until the bottom end of the product is extruded by the second clamping block 28, the product ascends and is separated from the first clamping block 24, at the moment, the product is completely demoulded, and the worker can take the product out directly conveniently;
the inner wall of the third movable hole 71 is provided with a third movable cavity 81, the inner wall of the third movable cavity 81 is slidably connected with a first limiting ring 82, one side of the first limiting ring 82 is provided with a third spring 83, the third spring 83 is sleeved outside the limiting rod 72, and after the round table surface 75 is abducted, the limiting rod 72 can always prop against the round table surface 75;
a fourth movable cavity 84 is formed in the inner wall of the second jack 25, a second limiting ring 85 is connected to the inner wall of the fourth movable cavity 84 in a sliding manner, the second limiting ring 85 is fixedly sleeved on the outer wall of the second ejector rod 26, a fourth spring 86 is arranged at the top end of the second limiting ring 85, the fourth spring 86 is sleeved outside the second ejector rod 26, and the fourth spring 86 always extrudes the second limiting ring 85 through the elastic action of the fourth spring 86, so that the second ejector rod 26 is convenient to move downwards and reset, and the second clamping block 28 is clamped into the second clamping groove 27;
the top fixedly connected with of movable mould 11 goes up connecting seat 91, and the bottom fixedly connected with of cover half 12 goes up connecting seat 92, goes up the bottom fixedly connected with of connecting seat 91 a plurality of uide bushing 93, and the top fixedly connected with of connecting seat 92 a plurality of guide bars 94 down, the outer wall of a plurality of guide bars 94 respectively with the inner wall activity interlude connection of a plurality of uide bushing 93.
The working principle of the invention is as follows:
the plastic material is connected with the injection hole 15 through external extrusion equipment, then molten plastic material is injected into the first cavity 13 and the second cavity 14 through the injection hole 15, after the injection is completed, the molten plastic in the first cavity 13 and the second cavity 14 is cooled and molded, then the movable die 11 is moved upwards through external equipment, the hydraulic cylinder 38 works to enable the hydraulic cylinder 38 to drive the connecting plate 32 to ascend, the hydraulic cylinder 38 limits the clamping block 34 through the clamping hole 37, the connecting plate 32 ascends to drive the connecting frame 31 to ascend synchronously, the connecting frame 31 ascends to drive the plurality of first ejector rods 22 to ascend, the first ejector rods 22 ascend to drive the first clamping blocks 24 to ascend, the first clamping blocks 24 ascend can jack up products molded in the second cavity 14 to perform demolding, meanwhile, under the limit of the two limiting rods 72, the second ejector rods 26 are enabled to be not to move in the second jack 25, and the ascended products can be separated from the second clamping blocks 28, as the hydraulic cylinder 38 continues to work, the connecting plate 32 rises to drive the fixing rod 77 to rise, the fixing rod 77 rises to drive the extrusion block 74 to rise until the extrusion block 74 rises to enable the round table surface 75 to be in contact with the third spring 83, meanwhile, as the extrusion block 74 slowly rises, the limiting rod 72 slowly moves towards the second movable cavity 73 under the elastic force of the third spring 83 to the first limiting ring 82 until the limiting rod 72 completely sinks into the third movable hole 71, at this time, the two third movable holes 71 no longer limit the second ejector rod 26, meanwhile, the extrusion block 74 abuts against the top end of the inner wall of the second movable cavity 73, so that the extrusion block 74 rises to drive the second ejector rod 26 to rise in the first clamping block 24, the second clamping block 28 rises, the connecting frame 31 and the connecting plate 32 continue to rise to work, and the first ejector rod 22 and the second ejector rod 26 rise, until the connecting frame 31 is lifted up to enable the fixing post 55 to penetrate through the communicating groove 54 and be inserted into the slot 52, and the third inclined surface 56 is in contact with the second inclined surface 53, the connecting frame 31 can be lifted up continuously, the third inclined surface 56 presses the second inclined surface 53, the unlocking rod 51 moves in the clamping hole 37 to press the clamping block 34, the unlocking rod 51 moves to compress the second spring 65 until the fixing post 55 is completely inserted into the slot 52, at this time, the unlocking rod 51 just extrudes the clamping block 34 into the clamping hole 37, at this time, the connecting frame 31 is disconnected from the connecting plate 32, the connecting frame 31 is not lifted up any more, and the connecting plate 32 is lifted up continuously with the operation of the hydraulic cylinder 38, so that the second ejector rod 26 is lifted up continuously until the bottom end of the product is supported by the second clamping block 28, and the product is separated from the first clamping block 24 with the continued lifting of the second clamping block 28, at this time, the product is completely demolded, the worker can easily take down the product, after the product is taken down, the hydraulic cylinder 38 works to drive the connecting plate 32 to move downwards, the connecting plate 32 moves downwards to drive the extrusion block 74 to move downwards, the extrusion block 74 moves downwards to enable the second ejector rod 26 until the second ejector rod 26 moves downwards to enable the two limiting rods 72 to move into the mounting cavity 39, at this time, the limiting rods 72 are extruded by the outer wall of the extrusion block 74, the third movable hole 71 is extruded, meanwhile, the first inclined surface 35 on the clamping block 34 is contacted with the arc chamfer 36 and extruded along with the continuous downward movement of the connecting plate 32, the clamping block 34 is slowly contracted into the first movable hole 33, the first spring 41 is extruded until the clamping block 34 moves to be aligned with the clamping hole 37, at this time, the clamping block 34 is ejected and inserted into the clamping hole 37 under the elastic force of the first spring 41, so that the connection plate 32 is connected with the connection frame 31.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A mold processing convenient for demolding, comprising:
the injection molding device comprises a movable mold (11), wherein a fixed mold (12) is arranged below the movable mold (11), a first cavity (13) is formed in the bottom end of the movable mold (11), a second cavity (14) is formed in the top end of the fixed mold (12), and an injection molding hole (15) is formed in the top end of the movable mold (11);
the ejection mechanism comprises a plurality of first ejector rods (22) and second ejector rods (26), wherein a plurality of first jacks (21) are formed in the fixed die (12), the outer walls of the first ejector rods (22) are respectively and movably connected with the inner walls of the first jacks (21) in a penetrating way, first clamping grooves (23) are formed in the top ends of the inner walls of the first jacks (21), first clamping blocks (24) are fixedly connected to the top ends of the first ejector rods (22), the first clamping blocks (24) are movably connected to the inner walls of the first clamping grooves (23) in a penetrating way, a plurality of second jacks (25) are formed in the fixed die (12), the outer walls of the second ejector rods (26) are respectively and movably connected with the inner walls of the second jacks (25) in a penetrating way, second clamping grooves (27) are formed in the top ends of the inner walls of the second jacks (25), second clamping blocks (28) are fixedly connected to the top ends of the second clamping blocks (28) in a penetrating way, and the second clamping blocks (28) are respectively and movably connected to the second clamping blocks (27);
the connecting mechanism comprises a connecting frame (31), an installation cavity (39) is formed in the movable mould (11), a plurality of first jacks (21) and second jacks (25) are respectively communicated with the installation cavity (39), the outer wall of the connecting frame (31) is in sliding connection with the inner wall of the installation cavity (39), a connecting plate (32) is inserted into the inner wall of the connecting frame (31), a hydraulic cylinder (38) is mounted on the inner wall of the installation cavity (39), the output end of the hydraulic cylinder (38) is in transmission connection with the bottom end of the connecting plate (32), and two groups of clamping mechanisms are arranged between the connecting plate (32) and the connecting frame (31);
and the limiting mechanism is arranged in the second ejector rod (26).
2. The processing mold convenient for demolding according to claim 1, wherein the clamping mechanism comprises a clamping block (34), a first movable hole (33) is formed in one side of the connecting plate (32), the clamping block (34) is slidably connected to the inner wall of the first movable hole (33), a first inclined surface (35) is formed in one side of the clamping block (34), an arc chamfer (36) is formed in the top of the inner wall of the connecting frame (31), and a first spring (41) is arranged on the other side of the clamping block (34).
3. The processing mold convenient for demolding according to claim 2, wherein the inner wall of the first movable hole (33) is provided with a connecting hole (43), the inner wall of the connecting hole (43) is movably inserted and connected with a connecting rod (42), one end of the connecting rod (42) is fixedly connected with the other side of the clamping block (34), the first spring (41) is sleeved outside the connecting rod (42), the top end and the bottom end of the inner wall of the first movable hole (33) are provided with limit grooves (44), the top end and the bottom end of the clamping block (34) are fixedly connected with limit blocks (45), the outer walls of the two limit blocks (45) are respectively connected with the inner walls of the two limit grooves (44) in a sliding manner, the inner wall of the connecting frame (31) is provided with a clamping hole (37), the clamping block (34) is movably inserted and connected with the inner wall of the clamping hole (37), and the unlocking mechanism is arranged inside the clamping hole (37).
4. The processing mold convenient for demolding according to claim 3, wherein the unlocking mechanism comprises an unlocking rod (51), the outer wall of the unlocking rod (51) is movably inserted and connected with the inner wall of the clamping hole (37), a slot (52) is formed in the top end of the unlocking rod (51), a second inclined surface (53) is formed in the inner wall of the slot (52), a communication groove (54) is formed in the top end of the connecting frame (31), a fixing column (55) is fixedly connected to the top end of the inner wall of the mounting cavity (39), a third inclined surface (56) is formed in the bottom end of the fixing column (55), and a reset mechanism is arranged between the unlocking rod (51) and the clamping hole (37).
5. The processing mold convenient for demolding according to claim 4, wherein the resetting mechanism comprises a fixed shaft (62), the fixed shaft (62) is fixedly connected to the inner wall of the clamping hole (37), a second movable hole (61) is formed in one side of the unlocking rod (51), the outer wall of the fixed shaft (62) is slidably connected with the inner wall of the second movable hole (61), a first movable cavity (63) is formed in the inner wall of the second movable hole (61), a connecting block (64) is slidably connected with the inner wall of the first movable cavity (63), one end of the fixed shaft (62) is fixedly connected with one side of the connecting block (64), a second spring (65) is sleeved on the outer wall of the fixed shaft (62), the second spring (65) is arranged in the first movable cavity (63) and is located at one side of the connecting block (64), a sliding groove (66) is formed in the inner wall of the installation cavity (39), a sliding block (67) is fixedly connected with one side of the connecting frame (31), and the outer wall of the sliding block (67) is slidably connected with the inner wall of the sliding block (66).
6. The processing mold convenient for demolding according to claim 1, wherein the limiting mechanism comprises two limiting rods (72), two third movable holes (71) are formed in the outer wall of the second ejector rod (26), the outer walls of the two limiting rods (72) are respectively connected with the inner walls of the two third movable holes (71) in a sliding mode, a second movable cavity (73) is formed in the second ejector rod (26), the two third movable holes (71) are respectively communicated with the second movable cavity (73), an extrusion block (74) is slidably connected with the inner wall of the second movable cavity (73), a round table surface (75) is formed in the outer wall of the extrusion block (74), a fixing rod (77) is fixedly connected to the bottom end of the inner wall of the extrusion block (74), a fourth movable hole (76) is formed in the bottom end of the inner wall of the second movable cavity (73), the outer wall of the fixing rod (77) is movably inserted into the inner wall of the fourth movable hole (76), and the bottom end of the fixing rod (77) is fixedly connected with the connecting plate (32).
7. The processing mold convenient for demolding according to claim 6, wherein a third movable cavity (81) is formed in the inner wall of the third movable hole (71), a first limiting ring (82) is slidably connected to the inner wall of the third movable cavity (81), a third spring (83) is arranged on one side of the first limiting ring (82), and the third spring (83) is sleeved outside the limiting rod (72).
8. The processing mold convenient for demolding according to claim 1, wherein a fourth movable cavity (84) is formed in the inner wall of the second insertion hole (25), a second limiting ring (85) is connected to the inner wall of the fourth movable cavity (84) in a sliding manner, the second limiting ring (85) is fixedly sleeved on the outer wall of the second ejector rod (26), a fourth spring (86) is arranged at the top end of the second limiting ring (85), and the fourth spring (86) is sleeved outside the second ejector rod (26).
9. The processing mold convenient for demolding according to claim 1, wherein an upper connecting seat (91) is fixedly connected to the top end of the movable mold (11), a lower connecting seat (92) is fixedly connected to the bottom end of the fixed mold (12), a plurality of guide sleeves (93) are fixedly connected to the bottom end of the upper connecting seat (91), a plurality of guide rods (94) are fixedly connected to the top end of the lower connecting seat (92), and the outer walls of the guide rods (94) are respectively movably inserted and connected with the inner walls of the guide sleeves (93).
10. The method of using a mold processing tool for facilitating demolding according to any one of claims 1 to 9, comprising the steps of:
step one: the plastic material is connected with an injection hole (15) through external extrusion equipment, then molten plastic material is injected into a first cavity (13) and a second cavity (14) through the injection hole (15), after the plastic material is filled, the molten plastic in the first cavity (13) and the second cavity (14) is cooled and molded, and then the movable die (11) is moved upwards through external equipment;
step two: the hydraulic cylinder (38) works to enable the hydraulic cylinder (38) to drive the connecting plate (32) to ascend, the hydraulic cylinder (38) is used for limiting the clamping block (34) through the clamping hole (37), the connecting plate (32) ascends to drive the connecting frame (31) to ascend synchronously, the connecting frame (31) ascends to drive the plurality of first ejector rods (22) to ascend, the first ejector rods (22) ascend to drive the first clamping blocks (24) to ascend, the first clamping blocks (24) ascend can jack up products molded in the second cavity (14) for demolding, meanwhile, under the limiting of the two limiting rods (72), the second ejector rods (26) are not moved in the second inserting holes (25), and the ascending products are separated from the second clamping blocks (28), along with the continuous working of the hydraulic cylinder (38), the connecting plate (32) ascends to drive the fixing rods (77) to ascend, the fixing rods (77) ascend to drive the extrusion blocks (74) to ascend, until the extrusion blocks (74) ascend to enable the third clamping blocks (75) to be in contact with the third limiting rods (72) to move slowly, the third limiting rods (82) move slowly, and the third limiting rods (72) move slowly and the third limiting rods (72) move down, at the moment, the two third movable holes (71) are not used for limiting the second ejector rod (26) any more, and meanwhile the extrusion block (74) is propped against the top end of the inner wall of the second movable cavity (73), so that the extrusion block (74) can be lifted to drive the second ejector rod (26) to lift on the first clamping block (24), and the second clamping block (28) can be lifted;
step three: the connecting frame (31) and the connecting plate (32) continue to ascend, so that the first ejector rod (22) and the second ejector rod (26) are both ascended until the connecting frame (31) ascends to enable the fixing column (55) to penetrate through the communicating groove (54) and enable the third inclined surface (56) to be in contact with the second inclined surface (53), namely, the connecting frame (31) can continue to ascend along with the connecting frame (31), the third inclined surface (56) extrudes the second inclined surface (53) and enable the unlocking rod (51) to move in the clamping hole (37) to extrude the clamping block (34), the unlocking rod (51) moves to enable the second spring (65) to be compressed until the fixing column (55) is completely inserted into the inserting groove (52), at the moment, the connecting frame (31) and the connecting plate (32) are released, the connecting frame (31) is not ascended any more, the second ejector rod (28) is enabled to move along with the movement of the third inclined surface (56) to extrude the second inclined surface (53), the unlocking rod (51) moves in the clamping hole (37) until the second spring (65) is completely inserted into the inserting groove (52), the second spring (55) moves up along with the second ejector rod (28) to completely separate the second ejector rod (28), the staff can easily take down the product;
step four: after the product is taken down, hydraulic cylinder (38) work drives connecting plate (32) to move down, connecting plate (32) move down and drive extrusion piece (74) to move down, extrusion piece (74) move down can make second ejector pin (26) move down, until second ejector pin (26) move down make two gag lever posts (72) move to in installation cavity (39), receive extrusion of extrusion piece (74) outer wall this moment, make gag lever post (72) extrude third movable hole (71), simultaneously along with connecting plate (32) continue to move down, make first inclined plane (35) on joint piece (34) can contact with circular arc chamfer (36) and extrude, make joint piece (34) shrink slowly into in first movable hole (33), and make extrusion in first spring (41), until joint piece (34) move to align with joint hole (37), under the elasticity effect of first spring (41) this moment, make joint piece (34) be popped out and insert joint hole (37) in, make connecting plate (31) be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310363246.4A CN116512548A (en) | 2023-04-07 | 2023-04-07 | Processing mold convenient for demolding and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310363246.4A CN116512548A (en) | 2023-04-07 | 2023-04-07 | Processing mold convenient for demolding and application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532718A (en) * | 2023-11-20 | 2024-02-09 | 山东郯建新型建材有限公司 | Foam concrete production facility with rapid prototyping structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532718A (en) * | 2023-11-20 | 2024-02-09 | 山东郯建新型建材有限公司 | Foam concrete production facility with rapid prototyping structure |
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