CN221756664U - A multi-station injection mold - Google Patents

Abstract

The utility model discloses a multi-station injection mold, which comprises an operation table, wherein a mounting bracket is arranged on the operation table, and an injection molding box is arranged on the mounting bracket; symmetrical discs are arranged in the mounting bracket in a moving way, the inside of each disc is hollow, the lower ends of the discs are communicated with a plurality of injection heads, the upper ends of the discs are communicated with infusion tubes, and the upper ends of the infusion tubes are communicated with the lower ends of the injection boxes; the operation table is provided with a groove, and a through groove penetrating through the operation table is arranged in the groove; a symmetrical base is arranged on the operation table in a moving way, a plurality of die assemblies are arranged on the base along the circumference, and the die assemblies are in one-to-one correspondence with the injection molding heads; a case is arranged below the operation table; a movable component is arranged between the base and the case. The utility model can simultaneously carry out injection molding processing of a plurality of moulds, and avoid dripping caused by frequent pauses in the middle; two groups of bases can be moved in and out simultaneously through one motor, so that the bases can be positioned or taken out rapidly before machining or after machining is finished, and the working efficiency is further improved.

Description

A multi-station injection mold

Technical Field

The utility model relates to the technical field of injection molding, in particular to a multi-station injection mold.

Background Art

Injection molding machine, also known as injection molding machine, is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. Injection molding machines can be divided into vertical, horizontal and vertical-horizontal composite types according to the arrangement of the injection device and the clamping device.

The injection molding machine is usually composed of an injection system, a mold clamping system, a hydraulic transmission system, an electrical control system, a lubrication system, a heating and cooling system, a safety monitoring system, etc. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it eject and fill the mold cavity. In the prior art, the injection molding process is achieved by sequential injection of liquid through a conveyor belt and an injection molding head, and then demolding after cooling. However, there are certain defects in sequential injection. First, the efficiency is low, and only a single injection can be performed at a time. In addition, since the mold needs to be moved, the injection molding head needs to stop working during the moving gap, which is easy to cause dripping, pollute the operating table, and cause waste of resources. There is room for improvement.

Utility Model Content

The utility model aims to solve the technical problems existing in the above-mentioned prior art and provides a multi-station injection mold.

In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a multi-station injection mold, including an operating table, an inverted U-shaped mounting bracket is provided on the operating table, an injection molding box is provided on the mounting bracket, and a liquid inlet is provided on the injection molding box; a symmetrical disc is movably provided in the mounting bracket, the inside of the disc is hollow and a plurality of injection molding heads are connected at the lower end, and an infusion tube is connected at the upper end of each disc, and the upper end of each infusion tube is connected with the lower end of the injection molding box; a groove is provided on the operating table, and a through groove is provided in the groove that runs through the operating table; a symmetrical base is movably provided on the operating table, and a plurality of molds are provided on the base along the circumference Components, the mold components are all corresponding to the injection heads one by one; a chassis is provided under the operating table, the chassis is hollow inside and the upper end is open; a moving component is provided between the base and the chassis; the moving component includes a motor, a shaft is provided at the output end of the motor, a gear is provided at the end of the shaft, and moving bars are provided for movement on the front and rear sides of the chassis, and the opposite sides of the moving bars are provided with toothed grooves that can mesh with the gears; pillars are provided on the moving bars, and connecting plates are provided on the pillars, and blocks are provided on the ends of the connecting plates away from the pillars, and the blocks extend out of the chassis and the through slots in turn; circular grooves that can accommodate the blocks are provided under the base.

As an improvement, an electric push rod is provided between the upper end of the disc and the lower end of the mounting bracket.

As an improvement, a pump that can be connected to the infusion tube is provided in the injection molding box.

As an improvement, the mold assembly includes two symmetrical molds, and semicircular injection ports are provided on the upper ends and opposite sides of the two symmetrical molds; connecting flanges are provided on the outer sides of the two symmetrical molds and are detachably connected by bolts.

As an improvement, the sides of the moving strip that are away from each other are provided with limit sliding blocks, and the front and rear sides inside the chassis are provided with limit sliding grooves that can be slidably connected to the limit sliding blocks.

As an improvement, the cross-sections of the limiting sliding block and the limiting sliding groove are both dovetail-shaped.

Compared with the prior art, the utility model has the advantages of being able to perform injection molding of multiple molds at the same time, avoiding frequent pauses in the middle to cause dripping, and improving injection molding efficiency;

The two sets of bases can be moved in and out at the same time by one motor, so that they can be quickly positioned or taken out before or after processing, further improving work efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic diagram of the structure of the operating table and the chassis of the utility model.

FIG. 3 is a schematic diagram of the structure of the mobile assembly of the utility model.

FIG. 4 is a bottom view of the base of the utility model.

As shown in the figure: 1. Operating table, 2. Mounting bracket, 3. Injection molding box, 4. Liquid inlet, 5. Disc, 6. Electric push rod, 7. Infusion tube, 8. Groove, 9. Through slot, 10. Base, 11. Mold assembly, 12. Chassis, 13. Motor, 14. Gear, 15. Moving bar, 16. Limit slider, 17. Limit slide groove, 18. Toothed groove, 19. Pillar, 20. Connecting plate, 21. Block, 22. Round groove.

DETAILED DESCRIPTION

The utility model is further described in detail below in conjunction with the accompanying drawings.

Embodiment 1, in conjunction with Figure 1, a multi-station injection mold comprises an operating table 1, an inverted U-shaped mounting bracket 2 is provided on the operating table 1, an injection molding box 3 is provided on the mounting bracket 2, and a liquid inlet 4 is provided on the injection molding box 3; a symmetrical disc 5 is movably provided in the mounting bracket 2, and an electric push rod 6 is provided between the upper end of the disc 5 and the lower end of the mounting bracket 2, and the electric push rod 6 can adjust the distance between the disc 5 and the mold 11 on the base 10, so as to make the liquid feeding more accurate; the inside of the disc 5 is hollow and the lower end is connected to a plurality of injection molding heads, the upper end of the disc 5 is connected to an infusion tube 7, the upper end of the infusion tube 7 is connected to the lower end of the injection molding box 3, and a pump that can be connected to the infusion tube 7 is provided in the injection molding box 3; a groove 8 is provided on the operating table 1, and a through groove 9 that runs through the operating table 1 is provided in the groove 8.

In conjunction with Figures 1 and 2, a symmetrical base 10 is movably provided on the operating table 1, and a plurality of mold assemblies 11 are arranged along the circumference of the base 10. The mold assemblies 11 correspond to the injection heads one by one to facilitate liquid injection; the mold assembly includes two symmetrical molds, and semicircular injection ports are arranged on the upper ends and opposite sides of the two symmetrical molds; connecting flanges are arranged on the outer sides of the two symmetrical molds, and are detachably connected by bolts to facilitate demoulding; a chassis 12 is arranged under the operating table 1, and the chassis 12 is hollow inside and has an opening at the upper end, so that the through groove 9 not only passes through the operating table 1, but also connects to the chassis 12.

In conjunction with Figures 1-4, a moving component is provided between the base 10 and the chassis 12; the moving component includes a motor 13, a shaft is provided at the output end of the motor 13, a gear 14 is provided at the end of the shaft, and a moving bar 15 is provided for movement on the front and rear sides of the chassis 12, and the opposite sides of the moving bar 15 are provided with a toothed groove 18 that can mesh with the gear 14, so that one motor 13 can drive two moving bars 15 to move toward or away from each other; the moving bars 15 are provided with pillars 19, and the pillars 19 are provided with connecting plates 20, and the connecting plates 20 are provided with blocks 21 on the ends away from the pillars 19, and the blocks 21 extend out of the chassis 12 and the through groove 9 in turn; the base 10 is provided with a circular groove 22 that can accommodate the block 21, so that the block 21 is located in the circular groove 22, which can drive the two bases 10 to move toward or away from each other, so that a number of mold assemblies 11 can be moved in and out of the mounting bracket 2.

3 and 4 , the sides of the moving bar 15 that are away from each other are provided with limit sliders 16, and the front and rear sides inside the chassis 12 are provided with limit slots 17 that can be slidably connected to the limit sliders 16; the cross-sections of the limit sliders 16 and the limit slots 17 are both dovetail-shaped, and the limit sliders 16 and the limit slots 17 can limit the moving bar 15 to prevent it from falling off from the chassis 12 without affecting its movement.

The working principle of the utility model is as follows: the mold assembly 11 corresponds to the injection head one by one, and the injection liquid in the injection box 3 is transported to the circular holes at the upper ends of several mold assemblies 11 through the infusion tube 7 and the disc 5 for injection molding. After the injection molding is completed, the motor 13 drives the gear 14 to rotate, thereby driving the two moving bars 15 to move through the meshing toothed groove 18, and the limiting slide 16 and the limiting slide groove 17 limit the moving bar 15 to prevent it from falling out. The moving bar 15 drives the block 21 to move through the pillar 19 and the connecting plate 20, and the block 21 is located in the circular groove 22 at the lower end of the base 10, thereby driving the two bases 10 to move in opposite directions and move out of the mounting bracket 2, which is convenient for taking out parts and the next round of injection molding. In the next round of operation, the motor 13 rotates in the opposite direction, and the two bases 10 are moved into the mounting bracket 2 again for injection molding. Injection molding of multiple mold assemblies 11 can be carried out at the same time with high efficiency.

The above describes the utility model and its implementation methods, which are not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims (6)

1. A multi-station injection mold is characterized in that: the device comprises an operation table (1), wherein an inverted U-shaped mounting bracket (2) is arranged on the operation table (1), an injection molding box (3) is arranged on the mounting bracket (2), and a liquid inlet (4) is arranged on the injection molding box (3); symmetrical discs (5) are arranged in the mounting bracket (2), the discs (5) are hollow, the lower ends of the discs are communicated with a plurality of injection molding heads, the upper ends of the discs (5) are communicated with infusion tubes (7), and the upper ends of the infusion tubes (7) are communicated with the lower ends of the injection molding boxes (3); a groove (8) is formed in the operation table (1), and a through groove (9) penetrating through the operation table (1) is formed in the groove (8); a symmetrical base (10) is arranged on the operating platform (1) in a moving way, a plurality of die assemblies (11) are arranged on the base (10) along the circumference, and the die assemblies (11) are in one-to-one correspondence with the injection molding heads; a case (12) is arranged below the operation table (1), and the case (12) is hollow and has an opening at the upper end; a moving assembly is arranged between the base (10) and the case (12); the movable assembly comprises a motor (13), a shaft is arranged at the output end of the motor (13), a gear (14) is arranged at the end part of the shaft, a movable bar (15) is movably arranged on the front side and the rear side in the case (12), and tooth-shaped grooves (18) which can be meshed with the gear (14) are formed in the opposite side surfaces of the movable bar (15); the movable bar (15) is provided with a support column (19), the support column (19) is provided with a connecting plate (20), one end, far away from the support column (19), of the connecting plate (20) is provided with a clamping block (21), and the clamping blocks (21) extend out of the machine case (12) and the through groove (9) in sequence; round grooves (22) capable of accommodating the clamping blocks (21) are formed in the lower surface of the base (10).

2. A multi-station injection mold according to claim 1, wherein: an electric push rod (6) is arranged between the upper end of the disc (5) and the inner lower end of the mounting bracket (2).

3. A multi-station injection mold according to claim 1, wherein: the injection molding box (3) is internally provided with a pump which can be connected with the infusion tube (7).

4. A multi-station injection mold according to claim 1, wherein: the mold assembly comprises two symmetrical molds, wherein semicircular injection molding openings are formed in the upper ends of the two symmetrical molds and in opposite side surfaces; and connecting flanges are arranged on the outer sides of the two symmetrical dies and are detachably connected through bolts.

5. A multi-station injection mold according to claim 1, wherein: the side that removes strip (15) and keep away from each other all is equipped with spacing slider (16), the side all is equipped with spacing spout (17) that can with spacing slider (16) sliding connection around in quick-witted case (12).

6. The multi-station injection mold of claim 5, wherein: the sections of the limiting sliding block (16) and the limiting sliding groove (17) are dovetail-shaped.