Plastic product processing injection mold
Technical Field
The utility model relates to the technical field of injection molds, in particular to a plastic product processing injection mold.
Background
The injection molding is a processing method used when mass producing parts with complex shapes, specifically, the heated and melted plastic is injected into a mold cavity by an injection molding machine under high pressure, and the molded product is obtained after cooling and solidification, and the injection molding mold is divided into a thermosetting plastic mold, an automobile mold and a thermoplastic plastic mold according to molding characteristics.
The existing mold has the following defects that after plastic products are injection molded, the mold is generally jacked up from bottom to top during demolding, and the speed is low during demolding because the plastic products are adhered to the mold at a high temperature.
Disclosure of utility model
The utility model aims to solve the problem that the existing processing injection mold is low in speed when demolding plastic products adhered to the inner part of the processing injection mold.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model provides a plastic products processing injection mold, includes the mount, sets up the bed die at the mount inner wall, sets up at the cylinder at mount top and set up the last mould on the cylinder piston rod, the mount lateral wall is equipped with fixed box, the bed die both ends all are equipped with the commentaries on classics handle, a set of it extends to inside the fixed box to pass mount one side, another set of it outwards extends to pass the mount opposite side to change the handle, is located it has concatenated first spring to be located on the change handle wall of fixed box inside, and be located still be equipped with spacing subassembly on the change handle of fixed box inside, the mount lateral wall is equipped with the removal subassembly, be equipped with the connecting block on the removal subassembly, the connecting block lateral wall is equipped with a plurality of knocking posts.
As the preferable technical scheme of the application, the limiting component comprises a ratchet wheel arranged on the inner rod wall of the fixed box of the rotating handle, a torsion spring shaft arranged on the inner side wall of the fixed box and a pawl sleeved outside the torsion spring shaft and meshed with the ratchet wheel.
As the preferable technical scheme of the application, the upper surface of the pawl is provided with the pull rope, one end of the pull rope far away from the pawl penetrates through the top of the fixed box to extend outwards, and the extending end of the pull rope positioned outside the fixed box is provided with the pull buckle.
As the preferable technical scheme of the application, the moving assembly comprises a supporting frame arranged on the side wall of the fixed frame, a motor arranged on the side wall of the supporting frame, a screw rod arranged at the output end of the motor and a moving seat arranged in the supporting frame in a sliding manner, wherein the moving seat is in threaded connection with the screw rod.
As the preferable technical scheme of the application, the moving assembly further comprises a rotating column rotatably arranged at the top of the moving seat, a gear ring arranged on the outer wall of the rotating column and a tooth slot arranged on the inner wall of the supporting frame and meshed with the gear ring, and the connecting block is arranged at the top of the rotating column.
As the preferable technical scheme of the application, the knocking column comprises a fixed cylinder arranged on the side wall of the connecting block, a sliding rod arranged in the fixed cylinder in a sliding way, a rubber ball arranged at one end of the sliding rod far away from the fixed cylinder, and a second spring arranged between the sliding rod and the inner wall of the fixed cylinder.
As the preferable technical scheme of the application, the two groups of moving assemblies are arranged on two sides of the fixed frame respectively, wherein the end faces of the two groups of screw rods are respectively provided with a rotating rod penetrating through the supporting frame, and belt pulleys are connected between the two groups of rotating rods in a transmission way.
As the preferable technical scheme of the application, the side wall of the fixing frame is provided with a fan, the bottom of the fixing frame is provided with a wind cavity communicated with the output end of the fan, the inner bottom wall of the fixing frame is provided with a plurality of exhaust holes, and the edge of the bottom of the fixing frame is provided with a baffle plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. After the plastic product is molded in the die, the lower die can be driven to automatically overturn downwards through the cooperation of the rotating handle and the first spring, the opening of the lower die is enabled to face downwards, the lower die after overturning downwards can be limited through the cooperation of the ratchet wheel, the torsion spring shaft and the pawl, the lower die is prevented from shaking, at the moment, the plastic product can fall off from the lower die under the action of gravity, other equipment is not required to be used for ejecting the plastic product from the lower die, and the demolding speed of the product is improved.
2. After the lower die turns down, the lower die can be further driven to horizontally move and rotate along the length direction of the lower die through the cooperation of the motor, the screw rod, the movable seat, the rotary column, the gear ring, the gear slot and the knocking column, so that the outer wall of the lower die can be continuously knocked, the lower die is vibrated, products can fall off from the lower die conveniently, and the product demoulding speed can be further improved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a bottom view of the present utility model;
FIG. 3 is a block diagram of a spacing assembly of the present utility model;
FIG. 4 is a schematic view of a knock column according to the present utility model;
Fig. 5 is an enlarged structural view of fig. 1a according to the present utility model.
The figures indicate:
1. The device comprises a fixing frame, 101, a baffle plate, 102, an exhaust hole, 2, a lower die, 3, an air cylinder, 4, an upper die, 5, a rotating handle, 6, a fixed box, 601, a torsion spring shaft, 7, a first spring, 8, a ratchet wheel, 9, a pawl, 10, a pull rope, 1001, a pull buckle, 11, a supporting frame, 1101, a tooth socket, 12, a motor, 1201, a screw rod, 13, a movable seat, 14, a rotating column, 1401, a gear ring, 15, a connecting block, 16, a fixed cylinder, 1601, a second spring, 17, a sliding rod, 1701, a rubber ball, 18, a rotating rod, 1801, a belt pulley, 19 and a fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.
As shown in fig. 1 and 2, this embodiment proposes a plastic product processing injection mold, including a fixing frame 1, a lower mold 2 disposed on the inner wall of the fixing frame 1, an air cylinder 3 disposed on the top of the fixing frame 1, and an upper mold 4 disposed on the piston rod of the air cylinder 3, wherein the side wall of the fixing frame 1 is provided with a fixing box 6, two ends of the lower mold 2 are respectively provided with a rotating handle 5, one group of rotating handles 5 extends to the inside of the fixing box 6 through one side of the fixing frame 1, the other group of rotating handles 5 extends outwards through the other side of the fixing frame 1, the rotating handle 5 located inside the fixing box 6 is connected with a first spring 7 in series on the wall of the rotating handle 5, and a limiting component is also disposed on the rotating handle 5 located inside the fixing box 6, the side wall of the fixing frame 1 is provided with a moving component, the side wall of the moving component is provided with a connecting block 15, and the side wall of the connecting block 15 is provided with a plurality of knocking columns;
after plastic product injection moulding, start cylinder 3 work drive go up mould 4 and upwards remove and break away from bed die 2, rotate the commentaries on classics handle 5 at this moment and drive bed die 2 and overturn downwards and make first spring 7 twist reverse, after bed die 2 opening down, through spacing subassembly counter-rotating handle 5 and bed die 2 fix a position, the plastic product can drop down from bed die 2 under the effect of gravity at this moment, need not use equipment to push out the product from bed die 2, improve the drawing of patterns speed of product, and after bed die 2 turns down, still can drive connecting block 15 through the moving component that sets up and remove and rotate along bed die 2 length direction, thereby can drive the outer wall of beating bed die 2 of beating the post constantly, make bed die 2 take place the vibration, further improve the product drawing of patterns speed.
As shown in fig. 3, as a preferred embodiment, further, the limit assembly comprises a ratchet wheel 8 arranged on the inner rod wall of the fixed box 6 of the rotating handle 5, a torsion spring shaft 601 arranged on the inner side wall of the fixed box 6, and a pawl 9 sleeved outside the torsion spring shaft 601 and meshed with the ratchet wheel 8;
The upper surface of the pawl 9 is provided with a pull rope 10, one end of the pull rope 10 away from the pawl 9 penetrates through the top of the fixed box 6 to extend outwards, and the extending end of the pull rope 10 positioned outside the fixed box 6 is provided with a pull buckle 1001;
after the rotating handle 5 drives the lower die 2 to turn down, the first spring 7 has a force for driving the rotating handle 5 to reversely reset, but at the moment, the pawl 9 is reversely clamped on the ratchet wheel 8, so that the rotating handle 5 cannot turn down, the lower die 2 after the lower die 2 is turned down can be positioned, the shaking of the lower die 2 is avoided, the product separation is influenced, after the product is demoulded, the pull rope 10 is pulled through the pull buckle 1001, the pawl 9 is driven to reversely rotate upwards to separate from the ratchet wheel 8, at the moment, the ratchet wheel 8 can normally rotate, and the first spring 7 is stressed to release the rotating handle 5 to reversely reset, so that the lower die 2 can automatically turn up to reset.
As shown in fig. 1, 2 and 5, as a preferred embodiment, further, the moving assembly comprises a supporting frame 11 arranged on the side wall of the fixed frame 1, a motor 12 arranged on the side wall of the supporting frame 11, a screw rod 1201 arranged at the output end of the motor 12, and a moving seat 13 slidably arranged inside the supporting frame 11, wherein the moving seat 13 is in threaded connection with the screw rod 1201;
The moving assembly further comprises a rotating column 14 rotatably arranged at the top of the moving seat 13, a gear ring 1401 arranged on the outer wall of the rotating column 14, and a tooth slot 1101 arranged on the inner wall of the supporting frame 11 and meshed with the gear ring 1401, wherein a connecting block 15 is arranged at the top of the rotating column 14;
The starting motor 12 works to drive the screw rod 1201 to rotate, the screw rod 1201 drives the movable seat 13 and the rotary column 14 to move in the supporting frame 11, and the rotary column 14 rotates when moving through the matching of the gear ring 1401 and the tooth groove 1101, so that the knocking column on the connecting block 15 can be driven to horizontally move and rotate, the surface of the lower die 2 is continuously knocked, and the lower die 2 is vibrated to improve the demoulding speed.
The knocking column includes a fixed cylinder 16 disposed on a side wall of the connecting block 15, a sliding rod 17 slidably disposed inside the fixed cylinder 16, a rubber ball 1701 disposed at an end of the sliding rod 17 away from the fixed cylinder 16, and a second spring 1601 disposed between the sliding rod 17 and an inner wall of the fixed cylinder 16;
The connecting block 15 can drive the fixed cylinder 16 and the sliding rod 17 to rotate when rotating, the rubber ball 1701 on the sliding rod 17 can be pressed when colliding with the lower die 2, and slides towards the inside of the fixed cylinder 16 through the sliding rod 17 and then presses the second spring 1601, and when the rubber ball 1701 is separated from the lower die 2, the second spring 1601 can drive the sliding rod 17 and the rubber ball 1701 to rebound and reset, so that the lower die 2 can be continuously beaten, and scratches on the surface of the lower die 2 can be avoided through the rubber ball 1701.
In addition, two groups of moving assemblies are arranged on two sides of the fixed frame 1 respectively, wherein the end faces of the two groups of screw rods 1201 are respectively provided with a rotating rod 18 penetrating through the supporting frame 11, a belt pulley 1801 is connected between the two groups of rotating rods 18 in a transmission mode, two side surfaces of the lower die 2 can be knocked simultaneously through the two groups of moving assemblies, the demolding speed of a product is further improved, the other group of screw rods 1201 can be driven to rotate through the belt pulley 1801, and therefore one motor 12 can be saved, and cost is saved.
As shown in fig. 1, as a preferred embodiment, on the basis of the above mode, further, a fan 19 is arranged on the side wall of the fixing frame 1, a wind cavity communicated with the output end of the fan 19 is arranged at the bottom of the fixing frame 1, a plurality of exhaust holes 102 are arranged on the inner bottom wall of the fixing frame 1, and a baffle 101 is arranged at the edge of the bottom of the fixing frame 1;
When the demolding is carried out, the fan 19 can be started to work to blow air into the air cavity in the fixing frame 1, then the air is blown to the plastic product in the rotation of the lower mold 2 from the air exhaust hole 102, the cooling speed of the product is improved, the demolding speed can be improved, and when the product falls onto the inner bottom wall of the fixing frame 1 during falling, the baffle 101 at the edge is improved to block the product, so that the product is prevented from being separated from the fixing frame 1.
The utility model has the working principle that after a plastic product is injection molded, the starting cylinder 3 works to drive the upper die 4 to move upwards and separate from the lower die 2, at the moment, the rotating handle 5 drives the lower die 2 to overturn downwards and enable the first spring 7 to twist, after the opening of the lower die 2 is downward, the first spring 7 has a force for driving the rotating handle 5 to reversely reset, but at the moment, the pawl 9 can be clamped on the ratchet wheel 8 in an inverted mode, so that the rotating handle 5 cannot overturn, the lower die 2 after the overturn can be positioned, the shaking of the lower die 2 is avoided to influence the separation of the product, at the moment, the plastic product can fall from the lower die 2 under the action of gravity, the product is ejected from the lower die 2 without using equipment, and the demolding speed of the product is improved, and after the lower die 2 is overturned, the starting motor 12 works to drive the screw 1201 to rotate, the screw 1201 drives the moving seat 13 and the rotating column 14 to move inside the supporting frame 11, and the rotating column 14 can rotate in the process of moving through the matching of the gear ring gear 1401 and the tooth socket 1101, so that the knocking column on the connecting block 15 can be driven to horizontally move and rotate, and the demolding block 15 can continuously shake the lower die 2, and the vibrating speed of the lower die 2 is improved.
The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail with reference to the above embodiments, the present utility model is not limited to the above embodiments, and thus any modifications or equivalent substitutions are made thereto, and all technical solutions and modifications thereof without departing from the spirit and scope of the present utility model are included in the scope of the claims of the present utility model.