CN115847744B - An assembled mold for plastic sheet production that is easy to open - Google Patents
An assembled mold for plastic sheet production that is easy to open Download PDFInfo
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- CN115847744B CN115847744B CN202211461423.4A CN202211461423A CN115847744B CN 115847744 B CN115847744 B CN 115847744B CN 202211461423 A CN202211461423 A CN 202211461423A CN 115847744 B CN115847744 B CN 115847744B
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Abstract
The invention relates to the field of plastic plate production dies, in particular to an assembled die for plastic plate production, which is convenient for die opening. This assembled mould is used in plastic sheet production convenient to die sinking comprises positioning mechanism, liftout mechanism and cooling body, and movable mould moves to the left side when the die sinking, because movable mounting's connecting rod on the cover half carries the piston board motionless, the inside gas of movable mould air chamber is in the movable groove of piston board support down discharging into inside this moment, make the inside atmospheric pressure of movable groove increase and promote T type top cover ejecting with the injection molding on the movable mould, along with T type top cover moves to the right, make T type sealing rod remove the seal to T type top cover, the gas blows off from T type top cover middle part and blows off the injection molding from the mould this moment, be convenient for take off the membrane fast after the die sinking.
Description
Technical Field
The invention relates to the field of plastic plate production dies, in particular to an assembled die for plastic plate production, which is convenient for die opening.
Background
The plastic mould is a tool matched with a plastic forming machine in the plastic processing industry to endow plastic products with complete configuration and accurate size, and in the plastic plate production process, a movable mould and a fixed mould of the mould are assembled and then are arranged on the injection molding machine, and the injection molding machine is used for injection molding and then opening the mould to take out the molded injection molding piece.
The prior patent (bulletin number: CN 112976498A) discloses an injection mold for an environment-friendly plastic plate for interior decoration, which comprises a first mold and a second mold, wherein one side of the first mold is provided with the second mold, and one side of the first mold is fixedly connected with a mounting box. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: 1. in the existing part of plastic plate injection mold, an injection molding part is ejected out of the mold only through an ejector rod on the mold in the mold opening process, and at the moment, the ejector rod is easy to be adhered to the surface of the injection molding part and difficult to automatically fall off, a worker is required to manually or separate through a tool, and the operation convenience is poor; 2. meanwhile, in the processing process of the injection mold for producing the existing part of plastic plates, the molded injection molding part is cooled through a waterway inside the mold, and as the cooling water flowing in the waterway is fixed in flow rate and the waterway path is generally longer, the cooling effect of the rear section of the waterway is affected along with gradual temperature rise in the cooling water flowing process, and the molding quality of the injection molding part after mold opening is easily affected.
Disclosure of Invention
The invention aims to provide an assembled die for producing plastic plates, which is convenient for die opening, so as to solve the problems in the prior art: 1. the existing part of plastic plate injection mold is easy to cause the condition that the ejector rod is adhered to the injection molding piece in the mold opening process, so that the demolding efficiency after mold opening is affected; 2. the existing part plastic plate injection mold is difficult to lift cooling water flow rate to lift cooling effect of injection molding pieces in the mold opening process. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a plastic sheet production is with assembled mould convenient to die sinking, includes the injection molding machine body, the top fixedly connected with injection molding machine support of injection molding machine body, the right side fixedly connected with of injection molding machine support inner wall with injection molding machine body matched with cover half, the right side fixedly connected with movable mould of injection molding machine support inner wall, the right side of movable mould has seted up the shaping chamber;
The fixed die and the middle parts of the front side and the rear side of the movable die are respectively and movably connected with a positioning mechanism, an air chamber is arranged in the movable die, a piston plate is connected in the air chamber in a sliding manner, connecting rods are symmetrically and fixedly connected to the right side of the piston plate, and one ends of the two connecting rods penetrate through the movable die and are respectively and movably connected with the two positioning mechanisms;
The right side of the inner wall of the air chamber is movably connected with a material ejection mechanism matched with the forming cavity, and the right side of the inner wall of the air chamber is fixedly connected with a one-way air valve;
The lower part fixedly connected with water tank of injection molding machine body, the intermediate position fixedly connected with water delivery pump at the top of water tank, the output fixedly connected with raceway of water delivery pump, the left side fixedly connected with Y type drain pipe at the top of water tank, the front side swing joint of movable mould has the cooling body with air chamber matched with, cooling body's one end and raceway fixed connection, cooling body's the other end and Y type drain pipe fixed connection, fixedly connected with bleeder between the inside of air chamber and the one end of Y type drain pipe.
Preferably, the positioning mechanism comprises two studs, and the two studs are fixedly connected to two sides of the middle part of the fixed die in opposite directions;
the two sides of the middle part of the movable die are symmetrically and fixedly connected with guide sleeves, guide rods are connected in a sliding manner in the guide sleeves, one ends of the guide rods are movably connected with conical screw sleeves, and the two conical screw sleeves are respectively connected with two studs in a threaded manner;
The middle parts of two sides of the fixed die are provided with L-shaped guide grooves, the inside of each L-shaped guide groove is connected with a guide plate in a sliding manner, one end of each guide plate is rotationally connected with a roller, the side wall of each roller is overlapped with the side wall of the adjacent conical screw sleeve, and the other end of each guide plate is provided with a U-shaped clamping groove;
The right ends of the two connecting rods are movably inserted into the two L-shaped guide grooves respectively, annular grooves are formed in the outer walls of the connecting rods, and the other ends of the guide plates are clamped in the adjacent annular grooves through U-shaped clamping grooves.
Preferably, the inner wall of the L-shaped guide groove is provided with a sliding groove, two sides of the guide plate are fixedly connected with sliding blocks, and a reset spring is fixedly connected between the side wall of the sliding block and the inner wall of the sliding groove.
Preferably, a connecting bearing is fixedly connected to one side, far away from the stud, of the conical threaded sleeve, and an inner ring of the connecting bearing is fixedly connected with the outer wall of the adjacent guide rod.
Preferably, the material ejection mechanism comprises two movable grooves, the two movable grooves are symmetrically arranged on the right side of the inner wall of the air chamber, the inner wall of the movable groove is provided with an adjusting groove, the inside of the adjusting groove is slidably connected with a T-shaped top sleeve, an extrusion spring is movably connected between the side wall of the T-shaped top sleeve and the inner wall of the adjusting groove, and the right end of the T-shaped top sleeve extends to the inside of the forming cavity;
The inner wall fixedly connected with aviation baffle of movable groove, the right side fixedly connected with T type sealing rod of aviation baffle, the one end activity of T type sealing rod is pegged graft in the inside of T type top cover.
Preferably, the distance from the left side of the inner wall of the adjusting groove to the left side of the T-shaped top sleeve and the distance from the right side of the T-shaped top sleeve to the inner wall of the forming cavity are the same, and the right side of the T-shaped sealing rod is arranged flush with the inner wall of the forming cavity.
Preferably, the section of the air deflector is triangular, two sides of the air deflector are respectively and fixedly connected with two sides of the inner wall of the movable groove, and the left side of the movable groove is tapered.
Preferably, the cooling mechanism comprises a Y-shaped water distribution head, the Y-shaped water distribution head is fixedly connected to the middle position of the front end of the movable mould, the middle part of the Y-shaped water distribution head is fixedly connected with the top of the water delivery pipe, cooling water pipes are fixedly connected to the two sides of the Y-shaped water distribution head, the two cooling water pipes are symmetrically and fixedly connected to the inside of the movable mould, one end of each cooling water pipe penetrates through the movable mould and is fixedly connected with a drainage sleeve, the front end of each drainage sleeve is fixedly connected with the top of the Y-shaped water delivery pipe, and an air guide pipe is fixedly connected between the side wall of each drainage sleeve and the air chamber.
Preferably, the top of the Y-shaped drain pipe and one end of the cooling water pipe are fixedly connected with one-way water valves.
Preferably, the four sides of the left side of the fixed die are fixedly connected with positioning pins, and the four sides of the right side of the movable die are respectively provided with positioning holes matched with the four positioning pins.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, through the cooperation of the connecting rod, the air chamber, the T-shaped top sleeve and other parts, when the die is opened, the movable die moves leftwards, and because the connecting rod movably arranged on the fixed die brings the piston plate to be fixed, air in the air chamber of the movable die is discharged into the movable groove under the supporting and pressing action of the piston plate, so that the air pressure in the movable groove is increased, the T-shaped top sleeve is pushed out of an injection molding piece on the movable die, and the T-shaped sealing rod is enabled to release the sealing of the T-shaped top sleeve along with the rightward movement of the T-shaped top sleeve, and at the moment, the air is blown out from the middle part of the T-shaped top sleeve to blow off the injection molding piece from the die, thereby facilitating the rapid stripping after the die opening and avoiding the adhesion of the injection molding piece on the pushing part of the die.
According to the invention, through the matching use of the cooling water pipe, the water draining sleeve, the air chamber and other parts, when the piston plate moves rightwards, the left side of the air chamber forms negative pressure, so that the air guiding pipe in the air chamber performs extraction operation on the inside of the water draining sleeve, at the moment, circulating cooling water in the water draining sleeve flows rapidly under the action of the negative pressure, the flow speed of the cooling water in the cooling water pipe is improved, the cooling effect of an injection molding part in the mold opening process is improved, and the molding quality of the injection molding part is improved.
According to the invention, through the matched use of the guide sleeve, the guide plate, the conical screw sleeve and other parts, after the plastic plate die is opened, the movable die and the fixed die slide in a matched manner through the guide sleeve and the guide rod, so that the precision of the movable die and the fixed die in the next die closing process is improved, the die closing precision is prevented from being influenced by vibration in the use process of the equipment, and after the conical screw sleeve is rotated to release the connection with the screw column, the guide plate is reset to release the limit of the connecting rod, the guide rod is separated from the fixed die, and the assembled die is convenient to detach.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of the position of the movable mold and the air chamber of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 2B in accordance with the present invention;
FIG. 5 is a right cross-sectional view of the movable mold and cooling water pipe position of the present invention;
FIG. 6 is a perspective view of a guide plate according to the present invention;
FIG. 7 is a top view in section of the position of the drain cover of the present invention;
fig. 8 is a perspective view of a T-shaped top cover according to the present invention.
In the figure: 1. an injection molding machine body; 2. an injection molding machine bracket; 3. a fixed mold; 4. a movable mold; 5. a molding cavity; 6. a positioning mechanism; 601. a stud; 602. guide sleeve; 603. a guide rod; 604. a conical screw sleeve; 605. an L-shaped guide groove; 606. a guide plate; 607. a roller; 608. a U-shaped clamping groove; 609. a ring groove; 7. a gas chamber; 8. a piston plate; 9. a connecting rod; 10. a material ejection mechanism; 1001. a movable groove; 1002. an adjustment tank; 1003. a T-shaped top sleeve; 1004. extruding a spring; 1005. an air deflector; 1006. a T-shaped sealing rod; 11. a one-way air valve; 12. a water tank; 13. a water pump; 14. a water pipe; 15. y-shaped drain pipes; 16. a cooling mechanism; 1601. y-shaped water dividing head; 1602. a cooling water pipe; 1603. a water discharge sleeve; 1604. an air-introducing pipe; 17. and a drain pipe.
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 are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides an assembled mould is used in plastic sheet production convenient to die sinking, includes injection molding machine body 1, injection molding machine support 2 is fixedly connected with at the top of injection molding machine body 1, the right side fixedly connected with of injection molding machine support 2 inner wall and injection molding machine body 1 matched with cover half 3, the right side fixedly connected with movable mould 4 of injection molding machine support 2 inner wall, forming cavity 5 has been seted up on the right side of movable mould 4. It should be noted that: the center of cover half 3 and movable mould 4 is on same axis, and the equal fixedly connected with backing plate in one side that cover half 3 and movable mould 4 are on the back of the body mutually, and the backing plate on the cover half 3 is connected with the screw rod of moulding plastics of injection molding machine body 1, and the backing plate on the movable mould 4 is connected with the flexible jar of taking off of injection molding machine body 1, and the interior bottom surface of injection molding machine support 2 is provided with the rubber pad, and the plastic slab after the convenient taking off falls on the rubber pad, avoids causing to collide with, has also offered the shaping cavity that corresponds with movable mould 4 on the cover half 3 simultaneously.
The middle parts of the front side and the rear side of the fixed die 3 and the movable die 4 are movably connected with positioning mechanisms 6, an air chamber 7 is arranged in the movable die 4, a piston plate 8 is slidably connected in the air chamber 7, connecting rods 9 are symmetrically and fixedly connected on the right side of the piston plate 8, and one ends of the two connecting rods 9 penetrate through the movable die 4 and are movably connected with the two positioning mechanisms 6 respectively. It should be noted that: the sections of the air chamber 7 and the piston plate 8 are all round, so that the tightness of the piston plate 8 in the air chamber 7 in the using process can be effectively ensured.
The right side of the inner wall of the air chamber 7 is movably connected with a material ejection mechanism 10 matched with the forming cavity 5, and the right side of the inner wall of the air chamber 7 is fixedly connected with a one-way air valve 11. It should be noted that: when the piston plate 8 moves to the left of the air chamber 7, the one-way air valve 11 opens to inflate the inside of the air chamber 7.
The lower part fixedly connected with water tank 12 of injection molding machine body 1, the intermediate position fixedly connected with water pump 13 at water tank 12 top, the output fixedly connected with raceway 14 of water pump 13, the left side fixedly connected with Y type drain pipe 15 at water tank 12 top, the front side swing joint of movable mould 4 has the cooling mechanism 16 with air chamber 7 matched with, cooling mechanism 16's one end and raceway 14 fixed connection, cooling mechanism 16's the other end and Y type drain pipe 15 fixed connection, fixedly connected with water drain pipe 17 between the inside of air chamber 7 and Y type drain pipe 15's one end. It should be noted that: and the inside of the drain pipe 17 is provided with a one-way valve, when the piston plate 8 moves to the left side of the air chamber 7, water pumped from the left side of the air chamber 7 flows into the inside of the Y-shaped drain pipe 15 from the drain pipe 17, and when the piston plate 8 moves to the right, the one-way valve is closed, so that water in the Y-shaped drain pipe 15 is prevented from flowing back into the inside of the air chamber 7.
In this embodiment, as shown in fig. 1,2, 3, 5 and 6, the positioning mechanism 6 includes two studs 601, and the two studs 601 are opposite to two sides fixedly connected to the middle part of the fixed mold 3.
The two sides of the middle part of the movable mould 4 are symmetrically and fixedly connected with guide sleeves 602, a guide rod 603 is slidably connected inside the guide sleeves 602, one end of the guide rod 603 is movably connected with a conical screw sleeve 604, and the two conical screw sleeves 604 are respectively in threaded connection with two studs 601.
L-shaped guide grooves 605 are formed in the middle of two sides of the fixed die 3, guide plates 606 are connected to the inner portions of the L-shaped guide grooves 605 in a sliding mode, rollers 607 are rotatably connected to one ends of the guide plates 606, the side walls of the rollers 607 are overlapped with the side walls of adjacent conical screw sleeves 604, and U-shaped clamping grooves 608 are formed in the other ends of the guide plates 606.
The right ends of the two connecting rods 9 are movably inserted into the two L-shaped guide grooves 605 respectively, the outer wall of each connecting rod 9 is provided with a ring groove 609, and the other end of each guide plate 606 is clamped in the adjacent ring groove 609 through a U-shaped clamping groove 608. It should be noted that: after the conical threaded sleeve 604 is connected with the stud 601, the conical surface of the conical threaded sleeve 604 can be abutted against the surface of the roller 607 to push the guide plate 606 towards the inside of the L-shaped guide groove 605, at the moment, the U-shaped clamping groove 608 on the guide plate 606 can be clamped in the annular groove 609 on the connecting rod 9 to limit the connecting rod 9, and when the die is opened, the connecting rod 9 can move in the air chamber 7 with the piston plate 8; and the connection state of the connecting rod 9 and the guide plate 606 can be released after the threaded connection of the rotary cone-shaped threaded sleeve 604 and the stud 601 is released, so that the fixed die 3 and the movable die 4 can be conveniently detached and separated.
In this embodiment, as shown in fig. 3 and 6, a chute is formed on the inner wall of the L-shaped guide slot 605, two sides of the guide plate 606 are fixedly connected with a slider, and a return spring is fixedly connected between the side wall of the slider and the inner wall of the chute. It should be noted that: a sliding rod is fixedly connected between two sides of the inner wall of the sliding groove, the sliding block is slidably connected on the sliding rod, the stability of the movement of the guide plate 606 is improved through the arrangement of the sliding rod, and after the threaded connection of the conical threaded sleeve 604 and the stud 601 is released, the return spring carries the guide plate 606 to return.
In this embodiment, as shown in fig. 2 and 3, a connecting bearing is fixedly connected to one side of the tapered threaded sleeve 604 away from the stud 601, and an inner ring of the connecting bearing is fixedly connected to an outer wall of an adjacent guide rod 603. It should be noted that: through the arrangement of the connecting bearing, the guide rod 603 is not carried in the synchronous rotation process of the conical screw sleeve 604, and the convenience of threaded connection of the conical screw sleeve 604 and the stud 601 is improved.
In this embodiment, as shown in fig. 2, 4 and 8, the material ejection mechanism 10 includes two movable grooves 1001, two movable grooves 1001 are symmetrically disposed on the right side of the inner wall of the air chamber 7, an adjusting groove 1002 is disposed on the inner wall of the movable groove 1001, a T-shaped top cover 1003 is slidably connected inside the adjusting groove 1002, an extrusion spring 1004 is movably connected between the side wall of the T-shaped top cover 1003 and the inner wall of the adjusting groove 1002, and the right end of the T-shaped top cover 1003 extends to the inside of the forming cavity 5.
The inner wall fixedly connected with aviation baffle 1005 of movable groove 1001, the right side fixedly connected with T type sealing rod 1006 of aviation baffle 1005, the one end activity of T type sealing rod 1006 is pegged graft in the inside of T type top cover 1003. It should be noted that: the inner wall of the T-shaped top sleeve 1003 is a conical surface, the right end of the T-shaped sealing rod 1006 is a conical surface matched with the T-shaped top sleeve 1003, and the tightness of the T-shaped top sleeve 1003 matched with the T-shaped sealing rod 1006 is further improved.
In this embodiment, as shown in fig. 2 and 4, the distance from the left side of the inner wall of the adjusting groove 1002 to the left side of the T-shaped top cover 1003 is the same as the distance from the right side of the T-shaped top cover 1003 to the inner wall of the molding cavity 5, and the right side of the T-shaped sealing rod 1006 is flush with the inner wall of the molding cavity 5. It should be noted that: when the T-shaped top cover 1003 moves leftwards to the limit position, the right side of the T-shaped top cover 1003, the right side of the T-shaped sealing rod 1006 and the inner wall of the forming cavity 5 are on the same line, and the middle part of the T-shaped top cover 1003 is sealed through the T-shaped sealing rod 1006, so that the solution injection molding liquid is prevented from entering the T-shaped top cover 1003.
In this embodiment, as shown in fig. 2 and 4, the cross section of the air deflector 1005 is triangular, two sides of the air deflector 1005 are fixedly connected to two sides of the inner wall of the movable groove 1001, and the left side of the movable groove 1001 is tapered. It should be noted that: the conically arranged movable groove 1001 facilitates the guiding and conveying of the air flow generated during the movement of the piston plate 8.
In this embodiment, as shown in fig. 1,2, 5 and 7, the cooling mechanism 16 includes a Y-shaped water diversion head 1601, the Y-shaped water diversion head 1601 is fixedly connected to a middle position of a front end of the movable mold 4, a middle part of the Y-shaped water diversion head 1601 is fixedly connected to a top of the water pipe 14, two sides of the Y-shaped water diversion head 1601 are fixedly connected with cooling water pipes 1602, two cooling water pipes 1602 are symmetrically and fixedly connected to an inside of the movable mold 4, one end of each cooling water pipe 1602 penetrates through the movable mold 4 and is fixedly connected with a water drainage sleeve 1603, a front end of the water drainage sleeve 1603 is fixedly connected to a top of the Y-shaped water drainage pipe 15, and an air guiding pipe 1604 is fixedly connected between a side wall of the water drainage sleeve 1603 and the air chamber 7. It should be noted that: the front end of the movable mould 4 is fixedly connected with a supporting block, the Y-shaped water diversion head 1601 is fixedly connected to the supporting block, when cold water in the water delivery pump 13 flows into the Y-shaped water diversion head 1601 through the water pipe 14 and then flows into the two cooling water pipes 1602, and the cooling water pipes 1602 are arranged between the air chamber 7 and the forming cavity 5 to cool injection molding pieces in the forming cavity 5.
In this embodiment, as shown in fig. 7, the top of the Y-shaped drain pipe 15 and one end of the cooling water pipe 1602 are fixedly connected with a one-way water valve. It should be noted that: the cooling water can only flow into the drain sleeve 1603 from the cooling water pipe 1602 and then flow into the Y-shaped drain pipe 15, thereby avoiding the influence of the cooling water flowing back.
In this embodiment, as shown in fig. 1 and 2, positioning pins are fixedly connected to the periphery of the left side of the fixed mold 3, and positioning holes matched with the four positioning pins are respectively formed in the periphery of the right side of the movable mold 4. It should be noted that: the mold for producing the plastic plate is an assembled mold formed by parts such as a fixed mold 3, a movable mold 4, a base plate, a positioning pin, a guide rod 603, a guide sleeve 602 and the like.
The application method and the advantages of the invention are as follows: this plastic sheet production is with assembled mould convenient to die sinking, the working process is as follows:
As shown in fig. 1 to 8, when the plastic plate material assembling mold is used, firstly, the movable mold 4 and the fixed mold 3 are respectively and fixedly connected with two sides of the inside of the injection molding machine bracket 2, the movable mold 4 is moved towards the direction of the fixed mold 3, the connecting rod 9 on the movable mold 4 is inserted into the L-shaped guide groove 605 of the fixed mold 3, at the moment, the conical screw sleeve 604 on the guide rod 603 is further rotated to be in threaded connection with the corresponding stud 601, at the moment, the inclined surface of the side wall of the conical screw sleeve 604 abuts against the side wall of the roller 607 on the guide plate 606, the guide plate 606 slides towards the inside of the L-shaped guide groove 605, then the U-shaped clamping groove 608 on the guide plate 606 is clamped in the annular groove 609 arranged on the corresponding connecting rod 9, the right end of the connecting rod 9 is locked in the inside of the fixed mold 3, and the movable mold 4 and the fixed mold 3 can be accurately positioned in the reciprocating mold opening and closing processes for a plurality of times under the cooperation of the guide rod 603 and the guide sleeve 602;
Then, a demoulding telescopic cylinder on the injection molding machine body 1 is started to move along with the movable mould 4 to be clamped with the fixed mould 3, then injection molding is carried out on the inside of the assembled mould by an injection molding screw rod, after injection molding is finished, a water conveying pump 13 is started to convey cooling water to a water conveying pipe 14 to the inside of a Y-shaped water dividing head 1601, two cooling water pipes 1602 respectively convey the cooling water to the inside of two water discharging sleeves 1603, finally, the mold is circulated and cooled by flowing back to the inside of a water tank 12 from the Y-shaped water discharging pipe 15 and then opened, when the movable mould 4 moves leftwards, a piston plate 8 moves rightwards relative to an air chamber 7 in the movable mould 4 under the supporting effect of a connecting rod 9, negative pressure is formed on the left side of the air chamber 7, cooling water in the water discharging sleeves 1603 is extracted by an air entraining pipe 1604, and the water flow speed in the cooling water pipes 1602 is rapidly lifted, so that the rapidly flowing cooling liquid cools injection molding on the movable mould 4;
Meanwhile, as the right side space of the air chamber 7 is gradually reduced, the air pressure on the right side of the air chamber 7 is increased, the high air pressure moves towards the inside of the movable groove 1001 and pushes against the T-shaped top sleeve 1003 to eject the injection molding piece from the inside of the molding cavity 5, the sealing state of the T-shaped top sleeve 1003 and the T-shaped sealing rod 1006 is released after the T-shaped top sleeve 1003 moves rightwards, so that the air flow in the movable groove 1001 is blown out, the injection molding piece adhered on the T-shaped top sleeve 1003 is blown onto a rubber pad in the injection molding machine bracket 2, and the injection molding piece is prevented from being adhered on the T-shaped top sleeve 1003;
Finally, the movable die 4 moves towards the fixed die 3 to be clamped, the next injection molding process is carried out, in the process of clamping the movable die 4 and the fixed die 3, the one-way air valve 11 in the air chamber 7 is opened to charge the right side of the air chamber 7, and cooling water on the left side of the air chamber 7 is discharged into the Y-shaped drain pipe 15 through the drain pipe 17 under the extrusion of the piston plate 8.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
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| JP2008221597A (en) * | 2007-03-13 | 2008-09-25 | Meiki Co Ltd | Light guiding plate injection molding mold and injection molding method |
| JP5688779B2 (en) * | 2013-04-15 | 2015-03-25 | 株式会社名機製作所 | Clamping device for injection molding machine for composite molded article and method for operating the same |
| CN113290788A (en) * | 2021-05-28 | 2021-08-24 | 江苏弘扩信息科技有限公司 | Plastic injection mold |
| CN216359735U (en) * | 2021-09-17 | 2022-04-22 | 山东华致林医药科技有限公司 | Mould production facility for biological medicine |
| CN114103002A (en) * | 2021-10-25 | 2022-03-01 | 常州市宝源汽车部件有限公司 | Injection mold is used in car light processing convenient to demolding |
| CN217373385U (en) * | 2022-04-17 | 2022-09-06 | 山东中迈管业科技有限公司 | Deviation device is prevented in processing of PVC pipe |
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| CN112976498A (en) * | 2021-04-25 | 2021-06-18 | 深圳市鼎励电子科技有限公司 | Be used for interior decoration environmental protection plastic slab injection mold |
| CN113172825A (en) * | 2021-05-24 | 2021-07-27 | 杜小虎 | Make things convenient for antiseized injection molding machine of drawing of patterns |
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Denomination of invention: A mold for the production of plastic sheets that is easy to open Granted publication date: 20240730 Pledgee: Zhejiang Jiangshan rural commercial bank Limited by Share Ltd. Pledgor: Zhejiang Yuanpai Plastic Co.,Ltd. Registration number: Y2025980057293 |