CN209920453U - Plastic water channel assembly injection mold - Google Patents

Abstract

Plastic water channel assembly injection mold, including fixed mold and movable mold composite plate, fixed mold frame and fixed mold inserts are installed under the fixed mold composite plate, and mold feet, movable template and movable mold core block are installed on the movable mold composite plate, Front slider, rear slider, left slider and right slider are respectively set on the four sides of the movable mold core block, and a cavity is formed between the front, rear, left and right sliders, the movable mold core block and the fixed mold insert block. The inverted water channel assembly is injected into the mold cavity. The inner wall of the water channel assembly is formed with grooves. Positioning blocks are arranged between the four corners of the front, rear, left and right sliders, and the bottom of the movable mold core block is set Groove inserts, the groove inserts are provided with internal pumping inclined chute, the internal pumping inclined chute is provided with internal pumping slider, the bottom of the movable template is installed with internal pumping cylinder, the cylinder rod of the internal pumping cylinder is connected with the internal pumping slide block, The lower and upper top plates are arranged between the die feet, and the thimble is connected to the upper top plate. The thimble passes through the movable template and the movable die core block and contacts the inner bottom surface of the water channel assembly.

Description

Plastic water channel assembly injection mold

technical field

The utility model relates to an injection mold for a plastic water channel assembly, which belongs to the field of injection molds.

Background technique

Plastic products are produced by injection moulding, such as a plastic water channel assembly, which is mainly used for watering ditches in gardens, gardens and other places, or draining swimming pools, etc. The water channel assembly is connected to a water tank and a water pipe. There are features and structures in the five directions of the rear, left, right and along the mouth. Therefore, it is necessary to develop an injection mold with five-direction demoulding.

SUMMARY OF THE INVENTION

The purpose of the utility model is to overcome the shortcomings of the prior art and provide a plastic water channel assembly injection mold with compact structure, stable action, smooth demoulding, low cost and high efficiency.

The technical scheme of the injection mold for the plastic water channel assembly of the utility model is as follows: it is characterized in that it comprises a fixed mold complex plate and a movable mold complex plate, a backing plate is installed under the fixed mold complex plate, a fixed mold frame is installed under the backing plate, and the fixed mold frame is provided with The fixed mold inserts, the mold feet are installed on the moving mold compound board, the moving template is installed on the mold feet, and the moving mold core block is installed on the moving template. and the right slider, the front slider, the rear slider, the left slider and the right slider, the movable mold core block and the fixed mold insert block form a mold cavity, and the inverted water channel assembly is injected into the mold cavity; The front, rear, left and right are respectively provided with connection ports, the inner wall of the water channel assembly is provided with grooves, the front slider, the rear slider, the left slider and the right slider are each provided with connection port inserts, and each connection The mouth inserts are matched with each connection port, and positioning blocks are set between the four corners of the front slider, the rear slider, the left slider and the right slider. The block and the right slider are each slid out by the outer lubricating oil cylinder; a groove insert is arranged at the bottom of the moving die core block, an inner-drawing inclined chute is arranged in the groove insert, and an inner-drawing sliding block is arranged on the inner-drawing inclined chute. A through hole is set on the movable platen, and the inner pumping block protrudes into the through hole. The bottom of the movable template is installed with an inner oil pumping cylinder, and the cylinder rod of the inner oil pumping cylinder extends into the through hole to connect the inner pumping slider; The top plate and the upper top plate, the upper top plate is connected to the thimble, the thimble passes through the movable template and the movable mold core block and contacts the inner bottom surface of the water channel assembly, two supporting plates are respectively arranged on both sides of the lower top plate, and each supporting plate is installed with an ejector cylinder , the cylinder rods of each ejecting cylinder are pushed against the movable die complex plate.

In the plastic water channel assembly injection mold of the utility model, after injection molding, the water channel assembly needs to be demolded. When demoulding is performed, the internal pumping block is first driven by the internal pumping cylinder to slide downward, and the internal pumping slides through the internal pumping inclined chute. Drive the groove inserts to draw inwards, so that the groove inserts come out from the grooves along the mouth of the water channel assembly, and then the mold is driven by the power of the injection molding machine to open the mold. The slider, the left slider and the right slider slide outward, and the front, rear, left, and right sides of the water channel assembly come out. At this time, the water channel assembly is set on the core block of the movable die, and then the lower top plate is driven by the ejector cylinder. And the upper top plate, the upper top plate drives the ejector pin to push up the water channel assembly from the movable mold core block, and then push it out of the mold to realize demoulding. This scheme adopts the front, rear, left and right four openings and the belly groove inward pumping structure to realize the smooth injection molding and demoulding of the water channel assembly. The mold structure is compact in design, stable in action and high in production efficiency.

Description of drawings

Fig. 1 is the plastic water channel assembly injection mould structure schematic diagram of the present utility model;

Fig. 2 is the AA cross-sectional schematic diagram of Fig. 1;

Fig. 3 is a perspective view of a part of the movable mold of the injection mold of the plastic water channel assembly of the present invention.

Detailed ways

The utility model relates to an injection mold for a plastic water channel assembly, as shown in Fig. 1 to Fig. 3, comprising a fixed mold composite plate 1 and a movable mold composite plate 2, a backing plate 3 is installed under the fixed mold composite plate, and a fixed mold composite plate is installed under the backing plate. The mold frame 4, the fixed mold insert 5 is set in the fixed mold frame, the mold foot 6 is installed on the movable mold compound board, the movable mold plate 7 is installed on the mold foot, the movable mold core block 8 is installed on the movable mold plate, and the four parts of the movable mold core block 8 are installed. The front slider 9, the rear slider 10, the left slider 11 and the right slider 12 are respectively set on the side, the front slider 9, the rear slider 10, the left slider 11 and the right slider 12 and the movable die core block 8 and the fixed slider are respectively set. A mold cavity is formed between the mold inserts 5, and an inverted water channel assembly 13 is injected into the mold cavity; The groove 16, the front slider 9, the rear slider 10, the left slider 11 and the right slider 12 are each provided with a connection port insert 17, each connection port insert 17 is matched with each connection port 15, the front slider 9 , between the four corners of the rear slider 10 , the left slider 11 and the right slider 12 are respectively provided with positioning blocks 18 , and the front slider 9 , the rear slider 10 , the left slider 11 and the right slider 12 when demoulding Each is slid out by an outer lubricating oil cylinder 19; a groove insert 20 is arranged at the bottom of the movable die core block 8, an inner drawing inclined chute 21 is arranged in the groove insert 20, and an inner drawing sliding block 22 is arranged on the inner drawing inclined chute. , a through hole 23 is set on the movable template, the inner pumping slider 22 extends into the through hole 23, and the inner oil pumping cylinder 24 is installed at the bottom of the movable template, and the cylinder rod of the inner pumping cylinder extends into the through hole to connect the inner pumping slider 22; The lower top plate 25 and the upper top plate 26 are arranged between the die feet 6, and the thimble 27 is connected to the upper top plate. The thimble 27 passes through the movable template and the movable die core block and contacts the inner bottom surface of the water channel assembly 13, and the two sides of the lower top plate 25 are respectively provided There are two supporting plates 28 , each supporting plate 28 is equipped with an ejecting oil cylinder 29 , and the oil cylinder rod of each ejecting oil cylinder 29 is pressed against the movable mold compound plate 2 . After injection molding, the water channel assembly needs to be demolded. When demoulding, the inner pumping block 22 is first driven by the inner pumping cylinder 24 to slide downward. pumping, so that the groove insert 20 is released from the groove 16 along the mouth of the water channel assembly, and then the mold is driven by the power of the injection molding machine to open the mold. After the mold is opened, the outer lubricating oil cylinders 19 drive the front slider 9 and the rear slider respectively 10. The left sliding block 11 and the right sliding block 12 slide outward, and the front, rear, left and right directions of the water channel assembly come out. At this time, the water channel assembly is set on the movable die core block 8, and then the oil cylinder 29 is pushed out. The lower top plate and the upper top plate are driven, and the upper top plate drives the ejector pin 27 to push up the water channel assembly 13 from the movable mold core block 8, and then push it out of the mold to realize demoulding. This scheme adopts the front, rear, left and right four openings and the belly groove inward pumping structure to realize the smooth injection molding and demoulding of the water channel assembly. The mold structure is compact in design, stable in action and high in production efficiency.

Claims (1)

1. The plastic ditch assembly injection mold is characterized by comprising a fixed mold compound plate (1) and a movable mold compound plate (2), wherein a base plate (3) is arranged below the fixed mold compound plate, a fixed mold frame (4) is arranged below the base plate, a fixed mold insert (5) is arranged in the fixed mold frame, mold feet (6) are arranged on the movable mold compound plate, a movable mold plate (7) is arranged on the mold feet, a movable mold core block (8) is arranged on the movable mold plate, a front slide block (9), a rear slide block (10), a left slide block (11) and a right slide block (12) are respectively arranged on four sides of the movable mold core block (8), a mold cavity is formed among the front slide block (9), the rear slide block (10), the left slide block (11), the right slide block (12), the movable mold core block (8) and the fixed mold insert (5), and a ditch assembly; the front, the rear, the left and the right of the ditch assembly (13) are respectively provided with a connecting port (15), the edge inner wall of the ditch assembly (13) is provided with a groove (16), each of the front slider (9), the rear slider (10), the left slider (11) and the right slider (12) is provided with a connecting port insert (17), each connecting port insert (17) is matched with each connecting port (15), positioning blocks (18) are respectively arranged among four corners of the front slider (9), the rear slider (10), the left slider (11) and the right slider (12), and the front slider (9), the rear slider (10), the left slider (11) and the right slider (12) can slide outwards through an external sliding oil cylinder (19) during demoulding; the bottom of the movable mold core block (8) is provided with a groove insert (20), an inner inclined drawing chute (21) is arranged in the groove insert (20), an inner drawing slide block (22) is arranged on the inner inclined drawing chute, a through hole (23) is arranged on the movable mold plate, the inner drawing slide block (22) extends into the through hole (23), an inner oil pumping cylinder (24) is arranged at the bottom of the movable mold plate, and an oil cylinder rod of the inner oil pumping cylinder extends into the through hole and is connected with the inner drawing slide block (22); a lower top plate (25) and an upper top plate (26) are arranged between the die feet (6), the upper top plate is connected with a thimble (27), the thimble (27) penetrates through the movable die plate and the movable die core block to be contacted with the inner bottom surface of the water channel assembly (13), two supporting plates (28) are respectively arranged on two sides of the lower top plate (25), an ejection oil cylinder (29) is arranged on each supporting plate (28), and an oil cylinder rod of each ejection oil cylinder (29) is propped against the movable die composite plate (2).

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