CN212400221U - Outer sliding core-pulling mechanism driven by servo motor of plastic tray mold - Google Patents

Abstract

A servo motor driven external sliding core-pulling mechanism of a plastic tray die comprises a fixed die compound plate and a movable die compound plate, wherein a hot runner plate, a fixed die plate and a fixed die insert are arranged below the fixed die compound plate, die feet are arranged on the movable die compound plate, a movable die plate and a movable die insert are arranged on the die feet, an outer slide block is arranged between the movable die plate and the fixed die plate, a forklift hole insert is arranged on the outer slide block and is provided with a formed tray, a steel pipe hole is formed in the tray, a steel pipe hole core rod is connected onto the forklift hole insert and is matched with the steel pipe hole, the outer slide block is driven by the external sliding core-pulling mechanism to slide outwards, the external sliding core-pulling mechanism comprises an external pulling support arranged on the outer wall of the movable die plate, a servo motor and a rotating screw rod are arranged on the external pulling support side by side, a driving gear is arranged on an output shaft of the servo motor, a driven gear is arranged at one end of the rotating, the rotating screw rod is provided with a threaded sleeve, the threaded sleeve is connected with a 7-shaped block, and the 7-shaped block is connected with an outer sliding block.

Description

Outer sliding core-pulling mechanism driven by servo motor of plastic tray mold

Technical Field

The utility model relates to a plastics tray mould servo motor drive mechanism of loosing core that slides outward belongs to the injection mold field.

Background

Adopt injection mold production plastic products, for example plastics tray etc. product structure and appearance analysis, in order to strengthen the intensity of tray, install the steel pipe in the tray, before installing the steel pipe, need set up the steel pipe hole in the tray, consequently, when the injection mold of design tray, need design corresponding steel pipe hole structure of loosing core. Traditional steel pipe hole structure of loosing core adopts the mode that the hydro-cylinder drove the outer slider and looses core, in actual production, because the bulky of tray, the journey of loosing core of steel pipe hole is long, and in addition the length of hydro-cylinder itself, the length that leads to this structure of loosing core is very long, and its length stretches out the injection molding machine more than half a meter at least, touches past operating personnel very easily, has the potential safety hazard. Particularly, the tray with steel pipes on four sides needs to loose cores in four directions, a small-sized injection molding machine cannot be installed at all, a large-sized injection molding machine is needed for production, and equipment investment is increased. And the precision of the core pulling of the oil cylinder is poor, and when the oil cylinder is reset, the outer sliding block, the core pulling rod of the steel pipe hole and other parts of the mould are easy to collide, so that the mould is damaged, and the service life and the production efficiency are influenced.

Disclosure of Invention

The utility model aims at overcoming prior art's shortcoming, provide one kind and adopt servo motor drive, both shortened the stroke of loosing core, improved the precision that resets again, avoid the striking, reduce equipment investment cost, improve production efficiency's plastics tray mould servo motor drive outer slip mechanism of loosing core.

The utility model discloses the technical scheme of the outer slip mechanism of loosing core of plastics tray mould servo motor drive is: the mold comprises a fixed mold compound plate and a movable mold compound plate, wherein a hot runner plate is arranged below the fixed mold compound plate, a fixed mold plate is arranged below the hot runner plate, a fixed mold insert is arranged in the fixed mold plate, mold feet are arranged on the movable mold compound plate, a movable mold plate is arranged on the mold feet, and a movable mold insert is arranged on the movable mold plate. One end of the rotating screw is provided with a driven gear, the driving gear is meshed with the driven gear, the other end of the rotating screw is connected to the bearing seat, the rotating screw is provided with a threaded sleeve, the threaded sleeve is connected with a 7-shaped block, and the 7-shaped block is connected with an outer sliding block.

The utility model discloses a mechanism of loosing core that slides outward of plastics tray mould servo motor drive, after plastics tray injection moulding, drive movable mould board and fixed die plate die sinking by the injection molding machine power, the outer slider stays on the movable mould board, in the die sinking in-process, after outer slider separates with the fixed die plate promptly, the mechanism work of loosing core that slides outward, servo motor passes through the driving gear and drives driven gear, driven gear drives the rotation screw rod and rotates, the rotation screw rod rotates the back, make the swivel nut along the screw thread translation on the rotation screw rod, drive the outer slider and slide outward through 7 words pieces, thereby it looses core to drive steel-pipe hole core bar. This scheme adopts servo motor drive, and the precision of loosing core is high, especially when outer slider and steel pipe core pulling rod reset, effectively avoids slider and core rod and other mould parts to bump, extension mould life and reduction maintenance number of times. Meanwhile, the servo motor and the rotating screw rod are arranged side by side, so that the assembly space can be saved, the whole length and width of the mold can be shortened, the mold is suitable for processing of a medium-sized injection molding machine, and the equipment investment cost can be reduced.

The utility model discloses a mechanism of loosing core slides outward in plastics tray mould servo motor drive, outer slider set up respectively in the front of movable mould board and fixed die plate, back, left and right four positions, two sets of mechanisms of loosing core that slide outward are connected to the outer slider in every position, drive outer slider simultaneously by two sets of mechanisms of loosing core that slide outward and loose core, it is more smooth to loose core. The outer drawing support is provided with a slide bar, and the outer sliding block slides on the slide bar when sliding outwards, so that the outer sliding block slides more stably.

Drawings

Fig. 1 is a schematic structural view of an external sliding core-pulling mechanism driven by a servo motor of the plastic tray mold of the utility model;

fig. 2 is a schematic plan view of the plastic pallet mold servo motor driven external sliding core-pulling mechanism of the present invention.

Detailed Description

The utility model relates to a plastic tray mould servo motor driven external sliding core pulling mechanism, as shown in figure 1 and figure 2, comprising a mould fixed mould clad plate 1 and a movable mould clad plate 2, a hot runner plate 3 is arranged under the fixed mould clad plate, a fixed mould plate 4 is arranged under the hot runner plate, a fixed mould insert 5 is arranged in the fixed mould plate, a mould foot 6 is arranged on the movable mould clad plate, a movable mould plate 7 is arranged on the mould foot, a movable mould insert 8 is arranged on the movable mould plate, an external sliding block 11 is arranged between the movable mould plate 7 and the fixed mould plate 4, a forklift hole insert 12 is arranged on the external sliding block, a mould cavity is formed between the movable mould plate 7 and the movable mould insert 8, the fixed mould plate 4, the fixed mould insert 5 and the forklift hole insert 12, an injection moulded tray 9 is arranged in the mould cavity, a steel pipe hole 10 is arranged in the tray 9, a steel pipe hole core rod 13 is connected on the forklift hole insert 12, the steel pipe hole core rod 13 is matched with the steel pipe hole 10, the external sliding core, the outward-sliding core-pulling mechanism comprises an outward-pulling support 15 arranged on the outer wall of a movable template 7, a servo motor 16 and a rotating screw 17 are arranged on the outward-pulling support 15 side by side, a driving gear 18 is mounted on an output shaft of the servo motor 16, a driven gear 19 is mounted at one end of the rotating screw 17, the driving gear 18 is meshed with the driven gear 19, the other end of the rotating screw is connected to a bearing seat 20, a threaded sleeve 21 is arranged on the rotating screw 17, a 7-shaped block 22 is connected to the threaded sleeve 21, and the 7-shaped block 22 is connected to an outer sliding block 11. After the plastic tray is injection molded, the movable mold plate 7 and the fixed mold plate 4 are driven by the power of an injection molding machine to be opened, the outer slide block 11 is left on the movable mold plate 7, in the mold opening process, namely, after the outer slide block 11 is separated from the fixed mold plate 4, the outer sliding core pulling mechanism works, the servo motor 16 drives the driven gear 19 through the driving gear 18, the driven gear 19 drives the rotating screw rod 17 to rotate, after the rotating screw rod 17 rotates, the screw sleeve 21 is enabled to translate along the thread on the rotating screw rod 17, the outer slide block 11 is driven to slide outwards through the 7-shaped block 22, and therefore the core pulling of the steel pipe hole core rod 13 is. This scheme adopts servo motor drive, and the precision of loosing core is high, especially when outer slider and steel pipe core pulling rod reset, effectively avoids slider and core rod and other mould parts to bump, extension mould life and reduction maintenance number of times. Meanwhile, the servo motor and the rotating screw rod are arranged side by side, so that the assembly space can be saved, the whole length and width of the mold can be shortened, the mold is suitable for processing of a medium-sized injection molding machine, and the equipment investment cost can be reduced. The outer sliding blocks 11 are respectively arranged in the front, the rear, the left and the right of the movable mould plate 7 and the fixed mould plate 4, the outer sliding block 11 in each direction is connected with the two groups of outer sliding core-pulling mechanisms, and the two groups of outer sliding core-pulling mechanisms simultaneously drive the outer sliding blocks to pull cores, so that the cores are pulled more smoothly. The outer drawing support 15 is provided with a slide bar 25, and the outer slide block 11 slides on the slide bar 25 when sliding outwards, so that the outer slide block slides more stably.

Claims (3)

1. A plastic tray die servo motor driven external sliding core pulling mechanism comprises a die fixed die compound plate (1) and a moving die compound plate (2), wherein a hot runner plate (3) is arranged below the fixed die compound plate, a fixed die plate (4) is arranged below the hot runner plate, a fixed die insert (5) is arranged in the fixed die plate, die feet (6) are arranged on the moving die compound plate, a moving die plate (7) is arranged on the die feet, and a moving die insert (8) is arranged on the moving die plate, and is characterized in that an outer slide block (11) is arranged between the moving die plate (7) and the fixed die plate (4), a forklift hole insert (12) is arranged on the outer slide block, a die cavity is formed between the moving die plate (7) and the moving die insert (8) and the fixed die plate (4) as well as between the fixed die insert (5) and the forklift hole insert (12), an injection molded tray (9) is arranged in the die cavity, a steel pipe hole (10) is formed in the tray (9), and a steel, the steel pipe hole core rod (13) is matched with the steel pipe hole (10), the outer sliding block (11) is driven to slide outwards by an outer sliding core pulling mechanism, the outer sliding core pulling mechanism comprises an outer pulling support (15) arranged on the outer wall of the movable template (7), a servo motor (16) and a rotating screw (17) are arranged on the outer pulling support (15) side by side, a driving gear (18) is installed on an output shaft of the servo motor (16), a driven gear (19) is installed at one end of the rotating screw (17), the driving gear (18) is meshed with the driven gear (19), the other end of the rotating screw is connected to a bearing seat (20), a threaded sleeve (21) is arranged on the rotating screw (17), a 7-shaped block (22) is connected to the threaded sleeve (21), and the 7-shaped block (22) is connected to the outer sliding block (11).

2. The servo motor driven external sliding core-pulling mechanism of plastic tray mold according to claim 1, characterized in that the external sliding blocks (11) are respectively arranged at the front, back, left and right directions of the movable mold plate (7) and the fixed mold plate (4), and the external sliding block (11) of each direction is connected with two sets of external sliding core-pulling mechanisms.

3. The servo motor driven external sliding core-pulling mechanism of plastic tray mold according to claim 1, characterized in that the external pulling bracket (15) is provided with a slide bar (25), and the external slide block (11) slides on the slide bar (25) when sliding outwards.

Images