CN215791473U - Double-color injection mold with double-layer blade loose core - Google Patents

Abstract

The utility model discloses a double-color injection mold for double-layer blade core pulling, which comprises a bottom plate, a double-layer core pulling unit and an injection mold pressing unit, wherein the bottom plate is provided with a cavity; the middle part of the upper end of the bottom plate is provided with an injection molding fixed box; the double-layer core pulling unit comprises a supporting transverse plate, driven racks, a connecting cutter shaft, a sealing ring, a core pulling motor and a core pulling driving gear, the supporting transverse plate is installed at the left end of the injection molding fixed box, the driven racks are connected to the front side and the rear side of the upper end of the supporting transverse plate in a sliding mode, the right end of each driven rack is connected with the corresponding cutter shaft, the sealing ring is installed on the corresponding cutter shaft, the core pulling motor is installed on the left side of the upper end of the supporting transverse plate, and the core pulling driving gear is installed on output shafts at the front end and the rear end of the core pulling motor. The double-color injection mold with the double-layer blade core pulling function can quickly realize synchronous core pulling and is high in injection molding efficiency.

Description

Double-color injection mold with double-layer blade loose core

Technical Field

The utility model relates to the technical field of injection molds, in particular to a double-color injection mold with a double-layer blade for core pulling.

Background

Among the prior art, double-deck blade is loosed core on double-colored mould slide that application number 201721036844.7 provided, including master mould and master model, the side of master mould is equipped with penetrates compound die and master model and through penetrating compound die fixed connection with the master mould, and one side of master model is equipped with spacing slider and spacing slider embedding setting is in the master model. The double-layer blade loose core on the double-color mold slide is provided with two blade loose cores, so that the mold stripping efficiency of the device can be enhanced; the fixing block and the fixing screw can enhance the stability of the device, so that the molding quality is greatly enhanced; the device is provided with a guide line which can be used for guiding an external die to be connected with the device, so that the forming speed of a product in the device is increased; and the device is provided with the sliding block and the brake rod, so that the action and the ejection of a product in the device can be completed in one step, and the structure of the device is simpler.

However, the core pulling is performed step by step in the prior art, so that the core pulling efficiency is low, and the purpose of high-efficiency injection molding of a double-color injection mold cannot be met. Therefore, a double-color injection mold with double-layer blade core pulling is developed to quickly realize synchronous core pulling and improve injection molding efficiency.

SUMMERY OF THE UTILITY MODEL

In order to effectively solve the problems in the background art, the utility model provides the following technical scheme: a double-layer blade core-pulling double-color injection mold comprises a bottom plate, a double-layer core-pulling unit and an injection molding pressing unit; the injection molding downward pressing unit is arranged at the upper end of the bottom plate, and the middle part of the upper end of the bottom plate is provided with an injection molding fixed box; the injection molding machine also comprises feeding pipes which are arranged at the front end and the rear end of the movable pressing plate, and materials with different colors can be added during injection molding through the two feeding pipes, so that a finished product shows two colors;

the double-deck unit of loosing core is including supporting diaphragm, driven rack, axle, sealing ring, the motor of loosing core and the driving gear of loosing core, the left end of case is decided to the injection molding is installed and is supported the diaphragm, the equal sliding connection in both sides has driven rack around supporting the diaphragm upper end, the right-hand member of driven rack links the axle, install the sealing ring on the axle, the motor of loosing core is installed in the upper end left side of supporting the diaphragm, the driving gear of loosing core is all installed to the output shaft at both ends around the motor of loosing core, and two driving gears of loosing core are connected with two driven rack meshing respectively. Through the rotation of the core pulling motor, the two driven racks can drive the connecting cutter shaft to slide left and right, so that the synchronous core pulling process can be completed after injection molding, the sealing ring can be used for preventing the product at the position of the sliding hole from flowing out during injection molding, and the sealing effect is improved.

Further, the injection molding pushes down the unit and includes upstand, last diaphragm, activity clamp plate, down the screw rod and driven screw ring, two upstands are installed to the upper end of bottom plate, and two upstands are located the injection molding respectively and decide the left and right sides of case, and the upper end of two upstands is passed through the entablature and is connected, both ends sliding connection is on two upstands respectively about the activity clamp plate, the lower extreme of pushing down the screw rod rotates the upper end middle part of connecting at the activity clamp plate, the lower extreme of driven screw ring rotates the upper end center of connecting at the last diaphragm, the inboard and the screw rod threaded connection that pushes down of driven screw ring. Through the rotation of driven helical-tooth ring, can make the screw rod that pushes down drive the activity clamp plate and push down under the direction of two upstands, make the compound die effect better in order to improve injection moulding's product quality.

Further, the injection molding pushes down the unit and still includes motor riser, push down the motor and push down the driving gear, go up the upper end right side of diaphragm and install the motor riser, push down the motor is installed to the left end of motor riser, the output shaft of push down the motor pushes down the driving gear, it is connected with driven spiral tooth ring meshing to push down the driving gear. Through the rotation of pushing down the motor, usable pushing down the driving gear and driving driven helical tooth ring and carry out stable rotation, and then provide the basis of power for reciprocating of activity clamp plate.

Furthermore, still include the pushing down sealing washer, the lower extreme of activity clamp plate is installed and is decided the box upper end recess with the injection molding and correspond the pushing down sealing washer. When the movable pressing plate is pressed down, the groove at the upper end of the injection molding fixed box can be embedded by pressing the sealing ring downwards, so that the die assembly efficiency and the product quality are improved.

Furthermore, the support device also comprises support legs, wherein the support legs are arranged at four corners of the lower end of the bottom plate. The mold can be better arranged by utilizing the four supporting legs, so that the work of the mold is more stable.

Compared with the prior art, the utility model has the beneficial effects that:

1. the two driven racks can drive the connecting cutter shaft to slide left and right through the rotation of the core pulling motor, so that the synchronous core pulling process can be completed after injection molding, the product at the sliding hole can be prevented from flowing out during injection molding by utilizing the sealing ring, and the sealing effect is improved;

2. through the rotation of the driven helical gear ring, the pressing screw can drive the movable pressing plate to press under the guidance of the two vertical columns, so that the die closing effect and the product quality are effectively improved;

3. through the rotation of pushing down the motor, usable pushing down the driving gear and driving driven helical tooth ring and carry out stable rotation, and then provide the basis of power for reciprocating of activity clamp plate.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure: 1. the core-pulling mechanism comprises a bottom plate, 2 injection molding fixed boxes, 3 double-layer core-pulling units, 31 supporting transverse plates, 32 driven racks, 33 connecting cutter shafts, 34 sealing rings, 35 core-pulling motors, 36 core-pulling driving gears, 4 injection molding pressing-down units, 41 vertical columns, 42 upper transverse plates, 43 movable pressing plates, 44 pressing-down screws, 45 driven screw tooth rings, 46 motor vertical plates, 47 pressing-down motors, 48 pressing-down driving gears, 5 feeding pipes, 6 pressing-down sealing rings and 7 supporting legs.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-2, the double-layer blade core pulling two-color injection mold provided in this embodiment includes a bottom plate 1, a double-layer core pulling unit 3, an injection molding pressing unit 4, and a feeding pipe 5; the middle part of the upper end of the bottom plate 1 is provided with an injection molding fixed box 2; the injection molding pressing unit 4 is installed at the upper end of the bottom plate 1, and the support legs 7 are installed at four corners of the lower end of the bottom plate 1.

Wherein: the double-layer core pulling unit 3 comprises a supporting transverse plate 31, driven racks 32, a connecting knife shaft 33, a sealing ring 34, a core pulling motor 35 and a core pulling driving gear 36, the supporting transverse plate 31 is installed at the left end of the injection molding fixed box 2, the driven racks 32 are connected to the front side and the rear side of the upper end of the supporting transverse plate 31 in a sliding mode, the right end of each driven rack 32 is connected with the corresponding knife shaft 33, the sealing ring 34 is installed on the corresponding knife shaft 33, the core pulling motor 35 is installed on the left side of the upper end of the supporting transverse plate 31, the core pulling driving gear 36 is installed on output shafts at the front end and the rear end of the core pulling motor 35, and the two core pulling driving gears 36 are respectively meshed with the two driven racks 32.

Wherein: the injection mold pressing unit 4 comprises a vertical column 41, an upper transverse plate 42, a movable pressing plate 43, a pressing screw 44 and a driven screw ring 45, and the feeding pipe 5 is installed at the front and rear ends of the movable pressing plate 43; two upstands 41 are installed to the upper end of bottom plate 1, and two upstands 41 are located the injection molding respectively and decide the left and right sides of case 2, and the upper end of two upstands 41 is connected through last diaphragm 42, and sliding connection is on two upstands 41 respectively at both ends about activity clamp plate 43, and the lower extreme of pushing down screw rod 44 rotates the upper end middle part of connecting at activity clamp plate 43, and the lower extreme of driven screw ring 45 rotates the upper end center of connecting at last diaphragm 42, the inboard and the pushing down screw rod 44 threaded connection of driven screw ring 45. The injection molding pushing unit 4 further comprises a motor vertical plate 46, a pushing motor 47 and a pushing driving gear 48, the motor vertical plate 46 is installed on the right side of the upper end of the upper transverse plate 42, the pushing motor 47 is installed at the left end of the motor vertical plate 46, the output shaft of the pushing motor 47 is connected with the pushing driving gear 48, and the pushing driving gear 48 is meshed with the driven helical gear ring 45. The injection molding fixed box further comprises a downward pressing sealing ring 6, and the downward pressing sealing ring 6 corresponding to the groove in the upper end of the injection molding fixed box 2 is installed at the lower end of the movable pressing plate 43.

The working principle of the utility model is as follows: firstly, respectively connecting two feeding pipes 5 with two external feeding pipes, then rotating a pressing motor 47, driving a movable pressing plate 43 to press downwards by a pressing driving gear 48 through a driven helical gear ring 45, and opening the movable pressing plate to a proper position for injection molding; after injection molding, the core pulling motor 35 rotates to drive the connecting cutter shaft 33 to be pulled out by the two driven racks 32, so that the core pulling process is realized, and then the movable pressing plate 43 moves upwards to take out a molded product, so that the core pulling machine is efficient and convenient.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (6)

1. The utility model provides a double-colored injection mold of double-deck blade is loosed core which characterized in that: the injection molding press comprises a bottom plate (1), a double-layer core-pulling unit (3), an injection molding press-down unit (4) and a feeding pipe (5), wherein the injection molding press-down unit (4) is installed at the upper end of the bottom plate (1), and an injection molding fixed box (2) is installed in the middle of the upper end of the bottom plate (1);

double-deck unit (3) of loosing core is including supporting diaphragm (31), driven rack (32), axle (33), sealing ring (34), motor (35) of loosing core and loose core driving gear (36), it installs to support diaphragm (31) the left end of case (2) is decided in the injection molding, driven rack (32) sliding connection be in support both sides around diaphragm (31) upper end, arbor (33) are connected to the right-hand member of driven rack (32), install sealing ring (34) on axle (33) links, install motor (35) of loosing core support the upper end left side of diaphragm (31), install driving gear (36) of loosing core on the output shaft at both ends around motor (35), two driving gear (36) of loosing core respectively with two driven rack (32) meshing is connected.

2. The double-color injection mold for the core pulling of the double-layer blade according to claim 1, characterized in that: the injection molding pushing unit (4) comprises vertical columns (41), an upper transverse plate (42), a movable pressing plate (43), pushing screw rods (44) and a driven screw ring (45), wherein the vertical columns (41) are installed at the upper end of the base plate (1) and are respectively located at the left side and the right side of the injection molding fixed box (2), the upper ends of the vertical columns (41) are connected through the upper transverse plate (42), the left end and the right end of the movable pressing plate (43) are respectively connected onto the vertical columns (41) in a sliding mode, the lower ends of the pushing screw rods (44) are rotatably connected to the middle of the upper end of the movable pressing plate (43), the lower end of the driven screw ring (45) is rotatably connected to the center of the upper end of the upper transverse plate (42), and the inner side of the driven screw ring (45) is in threaded connection with the pushing screw rods (44).

3. The double-color injection mold for the core pulling of the double-layer blade according to claim 2, characterized in that: the injection molding pushes down unit (4) and still includes motor riser (46), pushes down motor (47) and pushes down driving gear (48), motor riser (46) are installed the upper end right side of going up diaphragm (42), it installs to push down motor (47) the left end of motor riser (46), the output shaft of pushing down motor (47) be connected to push down driving gear (48), it is connected with driven helical tooth ring (45) meshing to push down driving gear (48).

4. The double-color injection mold for the core pulling of the double-layer blade according to claim 2, characterized in that: the feeding pipes (5) are arranged at the front end and the rear end of the movable pressing plate (43).

5. The double-color injection mold for the core pulling of the double-layer blade according to claim 2, characterized in that: still include with the injection molding is decided case (2) upper end recess and is corresponded push down sealing washer (6), push down sealing washer (6) are installed the lower extreme of activity clamp plate (43).

6. The double-color injection mold for the core pulling of the double-layer blade according to claim 1, characterized in that: the device also comprises supporting legs (7) arranged at four corners of the lower end of the bottom plate (1).

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