CN211640761U

CN211640761U - Automatic demolding device for cold runner of thin nozzle

Info

Publication number: CN211640761U
Application number: CN201922317444.9U
Authority: CN
Inventors: 童俊伟; 马耀永; 潘国玉
Original assignee: Ruian Nanjing Electric Ltd By Share Ltd
Current assignee: Ruian Nanjing Electric Ltd By Share Ltd
Priority date: 2019-12-22
Filing date: 2019-12-22
Publication date: 2020-10-09
Anticipated expiration: 2029-12-22

Abstract

The utility model relates to a thin nozzle cold runner automatic demolding device, which comprises a mold main body, wherein the center of the mold main body is provided with a cold runner, the foremost end of the cold runner is provided with a nozzle, and the periphery of the nozzle is provided with a nozzle plate; shovel blocks are fixedly connected to two ends of the water gap plate, and each shovel block is connected with a telescopic cylinder; a fixed plate is arranged above the water gap plate, a driving cylinder is arranged on the upper end face of the fixed plate, the driving cylinder is connected with a push block, and the push block is in contact with the upper end face of the water gap plate; the lower end of the water gap plate is connected with a jacking cylinder; the front end of the push block is provided with a convex block, the nozzle plate is provided with a groove, the groove is positioned right above the nozzle, and the convex block is clamped in the groove; and 2 locking springs are arranged between the die main body and the nozzle plate. The utility model discloses can be used for thin mouth of a river cold runner demolding, simple structure is reasonable, convenient to use, and work efficiency is high, safe and reliable.

Description

Automatic demolding device for cold runner of thin nozzle

Technical Field

The utility model relates to an automatic demolding device especially relates to an automatic demolding device of thin faucet cold runner.

Background

In the production of traditional plastic mold, often use hot runner gating system, but hot runner pouring often can be because the higher and peripheral product face of hot mouth has the phenomenon of scalding of hot mouth department's temperature, and the glue of hot runner the inside also can vulcanize at high temperature, causes the serious waste of sizing material, and general waste rubber accounts for more than reaching 15%, and die cavity or mouth of a river are more, and waste rubber accounts for more highly, can reach more than 30% even, leads to the manufacturing cost of rubber products to remain high. The cold runner mold can effectively reduce the vulcanization phenomenon of rubber materials in the runner by reducing the temperature of the inner end of the runner, thereby solving the problem of serious waste of the rubber materials and reducing the production cost of rubber products, and therefore, the cold runner mold is more and more widely applied.

However, when the existing fine nozzle cold runner mold is used, the cold runner mold generally needs to be taken out manually by an operator, so that the requirement on workers is high, the labor intensity of the workers is high, the labor cost is high, the working efficiency is low, and the production requirement cannot be well met. Therefore, a need exists for a thin nozzle cold runner automatic demolding device, which can realize automatic demolding of a cold runner, improve the working efficiency, reduce the labor cost and improve the economic benefits of enterprises.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic demolding device of thin faucet cold runner that simple structure is reasonable, convenient to use, work efficiency is high, safe and reliable.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the automatic mold stripping device with the fine nozzle and the cold runner comprises a mold main body, wherein the cold runner is arranged in the center of the mold main body, a nozzle is arranged at the foremost end of the cold runner, and a nozzle plate is arranged on the periphery of the nozzle; the water gap plate is fixedly arranged on the outer side of the end face of the die main body, shovel blocks are fixedly connected to two ends of the water gap plate, the number of the shovel blocks is 2, each shovel block is connected with a telescopic cylinder, and the telescopic cylinders are fixedly arranged on the end face of the die main body; a fixed plate is arranged above the nozzle plate, a driving cylinder is arranged on the upper end face of the fixed plate, the driving cylinder is connected with a push block, and the push block is contacted with the upper end face of the nozzle plate; the lower extreme of mouth of a river board be connected with the jacking cylinder, the fixed setting of jacking cylinder on the mould main part.

The automatic mold stripping device for the cold runner of the thin nozzle comprises a pushing block, a water gap plate, a shovel block, a driving cylinder and a sliding block, wherein the pushing block is arranged at the front end of the pushing block, the water gap plate is provided with a groove, the groove is located right above the water gap, the protruding block is clamped in the groove, the protruding block and the groove are arranged to be more compact in structure, the shovel block is driven by the telescopic cylinder during use, the shovel block drives the water gap plate to be downwards opened for a certain distance, the driving cylinder drives the pushing block, the pushing block downwards moves to drive the protruding block, the protruding block downwards moves in the groove to push the water gap, the water gap is opened by a falling mold, and after mold stripping is completed, the jacking cylinder jacks the water gap plate, the telescopic cylinder resets the driving cylinder, and a cycle is.

According to the automatic mold stripping device of the fine nozzle cold runner, 2 locking springs are arranged between the mold main body and the nozzle plate, 2 locking springs are symmetrically arranged, the nozzle plate is convenient to lock due to the arrangement of the locking springs, the safety of nozzle mold stripping is ensured, and the use is more stable and reliable.

According to the automatic mold stripping device for the cold runner of the thin water gap, the four ends of the water gap plate are provided with the limiting grooves, the limiting grooves are internally provided with the limiting columns which are fixedly arranged on the end face of the mold main body, and the limiting grooves and the limiting columns are arranged to limit the upward movement and the downward movement of the water gap plate, so that the use is safer and more reliable.

As the preferred scheme of the automatic demolding device of the fine water gap cold runner, the telescopic cylinder, the driving cylinder and the jacking cylinder are integrally arranged, so that the telescopic cylinder, the driving cylinder and the jacking cylinder can sequentially act, the control is more reliable, the efficiency is higher, and the use is safer and more stable.

As the preferred scheme of the automatic demolding device of the fine nozzle cold runner, the front end of the bump is provided with the rubber cushion block, the rubber cushion block is arranged to effectively protect the nozzle and the bump, the nozzle and the bump are prevented from being in contact with each other, collision loss is avoided, and the service life is prolonged.

The utility model has the advantages that: the center of the main body of the mould is provided with the cold runner, the foremost end of the cold runner is provided with a water gap, and the periphery of the water gap is provided with a water gap plate; the water gap plate is fixedly arranged on the outer side of the end face of the die main body, the two ends of the water gap plate are fixedly connected with 2 shovel blocks, each shovel block is respectively connected with a telescopic cylinder, and the telescopic cylinders are fixedly arranged on the end face of the die main body; a fixed plate is arranged above the water gap plate, a driving cylinder is arranged on the upper end face of the fixed plate, the driving cylinder is connected with a push block, and the push block is in contact with the upper end face of the water gap plate; the lower end of the water gap plate is connected with a jacking cylinder, and the jacking cylinder is fixedly arranged on the die main body; the front end of the push block is provided with a convex block, the nozzle plate is provided with a groove, the groove is positioned right above the nozzle, and the convex block is clamped in the groove; 2 locking springs are arranged between the die main body and the nozzle plate, and the 2 locking springs are symmetrically arranged; four ends of mouth of a river board are equipped with the spacing groove, and spacing inslot is equipped with spacing post, and spacing post is fixed to be set up on the terminal surface of mould main part, the utility model discloses can be used for thin mouth of a river cold runner demolding, simple structure is reasonable, convenient to use, and work efficiency is high, safe and reliable.

Drawings

FIG. 1 is a schematic structural diagram of an automatic mold stripping device of a fine nozzle cold runner in an embodiment;

FIG. 2 is a perspective view of an automatic mold stripping device with a cold runner and a fine nozzle in an embodiment;

FIG. 3 is a side view of the automatic mold stripping device of the fine nozzle cold runner in the embodiment.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1, 2 and 3, the automatic mold stripping device with the narrow nozzle and the cold runner comprises a mold main body 1, wherein the cold runner 2 is arranged in the center of the mold main body 1, a nozzle 3 is arranged at the foremost end of the cold runner 2, and a nozzle plate 4 is arranged on the periphery of the nozzle 3; the nozzle plate 4 is fixedly arranged on the outer side of the end face of the die main body 1, shovel blocks 5 are fixedly connected to two ends of the

nozzle plate

4, 2 shovel blocks 5 are arranged, each shovel block 5 is connected with a telescopic cylinder 6, and the telescopic cylinders 6 are fixedly arranged on the end face of the die main body 1; a fixed plate 7 is arranged above the nozzle plate 4, a driving cylinder 8 is arranged on the upper end face of the fixed plate 7, the driving cylinder 8 is connected with a push block 9, and the push block 9 is contacted with the upper end face of the nozzle plate 4; the lower end of the nozzle plate 4 is connected with a jacking cylinder 10, and the jacking cylinder 10 is fixedly arranged on the die main body 1.

In an embodiment of the automatic mold stripping device for the fine nozzle cold runner, the front end of the push block 9 is provided with a convex block 11, the nozzle plate 4 is provided with a groove 12, the groove 12 is located right above the nozzle 3, the convex block 11 is clamped in the groove 12, the convex block 11 and the groove 12 are arranged to be more compact in structure, when the automatic mold stripping device is used, the telescopic cylinder 6 drives the shovel block 5, the shovel block 5 drives the nozzle plate 4 to open downwards for a certain distance, the driving cylinder 8 drives the push block 9, the push block 9 moves downwards to drive the convex block 11, the convex block 11 moves downwards in the groove 12 to push the nozzle 3, the nozzle 3 opens the falling mold, after mold stripping is completed, the jacking cylinder 10 jacks the nozzle plate 4, the telescopic cylinder 6 and the driving cylinder 8 reset to complete a period, and the automatic mold stripping device is convenient and fast to operate, high in working efficiency, safe and stable.

In an embodiment of the automatic mold stripping device with the narrow nozzle cold runner, 2 locking springs 13 are arranged between the mold body 1 and the nozzle plate 4, the 2 locking springs 13 are symmetrically arranged, the locking springs 13 are arranged to facilitate locking the nozzle plate 4, so that the mold stripping safety of the nozzle 3 is ensured, and the use is more stable and reliable.

In an embodiment of the automatic mold stripping device for the fine nozzle cold runner, the four ends of the nozzle plate 4 are provided with the limiting grooves 14, the limiting grooves 14 are internally provided with the limiting posts 15, the limiting posts 15 are fixedly arranged on the end surface of the mold body 1, and the arrangement of the limiting grooves 14 and the limiting posts 15 is convenient for limiting the upward movement and the downward movement of the nozzle plate 4, so that the use is ensured to be safer and more reliable.

In one embodiment of the automatic mold stripping device with the fine nozzle cold runner, the telescopic cylinder 6, the driving cylinder 8 and the jacking cylinder 10 are integrally arranged, so that the telescopic cylinder 6, the driving cylinder 8 and the jacking cylinder 10 can sequentially act, the control is more reliable, the efficiency is higher, and the use is safer and more stable.

In an embodiment of the automatic mold stripping device for the fine nozzle cold runner, the front end of the bump 11 is provided with a rubber cushion block, the arrangement of the rubber cushion block is convenient for effectively protecting the nozzle 3 and the bump 11, the collision loss caused by the contact between the nozzle 3 and the bump 11 is avoided, and the service life is prolonged.

The center of the die main body 1 of the utility model is provided with a cold runner 2, the foremost end of the cold runner 2 is provided with a water gap 3, and the periphery of the water gap 3 is provided with a water gap plate 4; the water gap plate 4 is fixedly arranged on the outer side of the end face of the die main body 1, the two ends of the water gap plate 4 are fixedly connected with 2 shovel blocks 5, each shovel block 5 is respectively connected with a telescopic cylinder 6, and the telescopic cylinders 6 are fixedly arranged on the end face of the die main body 1; a fixed plate 7 is arranged above the water gap plate 4, a driving cylinder 8 is arranged on the upper end face of the fixed plate 7, the driving cylinder 8 is connected with a push block 9, and the push block 9 is in contact with the upper end face of the water gap plate 4; the lower end of the water gap plate 4 is connected with a jacking cylinder 10, and the jacking cylinder 10 is fixedly arranged on the die main body 1; the front end of the push block 9 is provided with a convex block 11, the nozzle plate 4 is provided with a groove 12, the groove 12 is positioned right above the nozzle 3, and the convex block 11 is clamped in the groove 12; 2 locking springs 13 are arranged between the die main body 1 and the nozzle plate 4, and the 2 locking springs 13 are symmetrically arranged; four ends of mouth of a river board 4 are equipped with spacing groove 14, be equipped with spacing post 15 in the spacing groove 14, spacing post 15 is fixed to be set up on the terminal surface of mould main part 1, during the use, telescopic cylinder 6 drives shovel piece 5, shovel piece 5 drives mouth of a river board 4 and opens one section distance downwards, it drives ejector pad 9 to drive actuating cylinder 8, ejector pad 9 downstream drives lug 11, lug 11 downstream promotes mouth of a river 3 in recess 12, the mould that drops is opened at mouth of a river 3, the back is accomplished in the demolding, jacking cylinder 10 is with mouth of a river board 4 jacking, telescopic cylinder 6 resets with drive actuating cylinder 8, accomplish a cycle. The utility model discloses can be used for thin mouth of a river cold runner demolding, simple structure is reasonable, convenient to use, and work efficiency is high, safe and reliable.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an automatic demolding device of thin sprue cold runner which characterized in that: the mold comprises a mold main body (1), wherein a cold runner (2) is arranged in the center of the mold main body (1), a water gap (3) is arranged at the foremost end of the cold runner (2), and a water gap plate (4) is arranged on the periphery of the water gap (3); the water gap plate (4) is fixedly arranged on the outer side of the end face of the die main body (1), two ends of the water gap plate (4) are fixedly connected with shovel blocks (5), 2 shovel blocks (5) are arranged, each shovel block (5) is respectively connected with a telescopic cylinder (6), and the telescopic cylinders (6) are fixedly arranged on the end face of the die main body (1); a fixed plate (7) is arranged above the water gap plate (4), a driving cylinder (8) is arranged on the upper end face of the fixed plate (7), the driving cylinder (8) is connected with a push block (9), and the push block (9) is contacted with the upper end face of the water gap plate (4); the lower extreme of mouth of a river board (4) be connected with jacking cylinder (10), jacking cylinder (10) fixed the setting on mould main part (1).

2. The automatic demolding device for the fine nozzle cold runner as claimed in claim 1, wherein: the front end of the push block (9) is provided with a convex block (11), the water gap plate (4) is provided with a groove (12), the groove (12) is positioned right above the water gap (3), and the convex block (11) is clamped in the groove (12).

3. The automatic demolding device for the fine nozzle cold runner as claimed in claim 1, wherein: the mould is characterized in that 2 locking springs (13) are arranged between the mould main body (1) and the water gap plate (4), and the locking springs (13) are symmetrically arranged.

4. The automatic demolding device for the fine nozzle cold runner as claimed in claim 1, wherein: four ends of water gap board (4) be equipped with spacing groove (14), spacing groove (14) in be equipped with spacing post (15), spacing post (15) fixed the setting on the terminal surface of mould main part (1).