CN215849428U - Vertical core-pulling mechanism of double-flaring straight-through pipe fitting die - Google Patents

Abstract

The vertical core pulling mechanism of the double-flaring straight-through pipe fitting die comprises a fixed die and a movable die compound plate, wherein a cushion block, a fixed die fixing plate and a fixed die plate are arranged below the fixed die compound plate, a movable die bottom plate, a movable die fixing plate and a movable die plate are arranged on the movable die compound plate, a vertical cavity is arranged between the movable die plate and the fixed die plate, an injection-molded double-end flaring pipe fitting is arranged in the vertical cavity, the vertical cavity comprises a movable die flaring core subassembly and a set die flaring core subassembly, and is driven to pull a core by a movable die side internal pulling mechanism and a fixed die side internal pulling mechanism respectively, the movable die side internal pulling mechanism comprises a movable die internal pulling sleeve and a movable die internal pulling block, a movable die flaring guide block is arranged at the top of the movable die internal pulling block, the movable die flaring core subassembly is arranged on the movable die guide block, oil cylinders are arranged on the outer walls of the two sides of the movable die plate respectively, and oil cylinder rods of the oil cylinders are connected with the movable die compound plate; the fixed die side internal pulling mechanism comprises a fixed die internal pulling sleeve and a fixed die internal pulling block, a fixed die guide sliding block is arranged on the fixed die internal pulling block, and a fixed die flaring core subassembly is arranged on the fixed die guide sliding block.

Description

Vertical core-pulling mechanism of double-flaring straight-through pipe fitting die

Technical Field

The utility model relates to a vertical core pulling mechanism of a double-flaring straight-through pipe fitting die, belonging to the field of plastic dies.

Background

According to the product appearance and structure analysis, the traditional mould adopts a horizontal forming structure, namely the pipe is horizontally placed in the mould, the flares at two ends are positioned at the left side and the right side of the mould, and the core pulling structure at the left side and the right side drives a flaring core to pull the core. The horizontal type forming die has the disadvantages that a single row of forming die cavities can only be arranged in the die in the horizontal type forming die, the production efficiency is low, and the cost is high. Therefore, the applicant designs a vertical type double-flaring straight-through pipe fitting die, flares of the die are located at the upper end and the lower end of the die, and due to the limitation of the internal space of the die, a traditional flaring core pulling structure cannot realize flaring core pulling, so that a vertical core pulling structure needs to be designed.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a vertical core-pulling mechanism of a double-flaring straight-through pipe fitting die, which adopts an up-down vertical structure, utilizes the die opening and closing power and the jacking of an oil cylinder to realize the internal pulling of an upper flaring core and a lower flaring core and realizes the smooth demoulding.

The utility model discloses a vertical core-pulling mechanism of a double-flaring straight-through pipe fitting die, which adopts the technical scheme that: the pipe fitting flaring die comprises a fixed die compound plate and a movable die compound plate, wherein a cushion block and a fixed die fixing plate are arranged below the fixed die compound plate, a fixed die plate is arranged below the cushion block and the fixed die fixing plate, a movable die base plate is arranged on the movable die compound plate, a movable die fixing plate is arranged on the movable die base plate, a movable die plate is arranged on the movable die fixing plate, at least more than two rows of vertical die cavities are arranged between the movable die plate and the fixed die plate, each vertical die cavity comprises a movable die flaring core subassembly arranged on the movable die plate and a fixed die flaring core subassembly arranged on the fixed die plate, the fixed die flaring core subassembly and the movable die flaring core subassembly are in up-and-down butt-touching fit to form a pipe fitting core, sliding inserts of Haff clasping are respectively arranged on two sides of each pipe fitting core, a pipe fitting die cavity is formed by a gap between the two sliding inserts and the pipe fitting core, both the upper end and the lower end of the pipe fitting are provided with flares, and the movable die flaring core subassembly is matched with the lower side of the flaring, the movable mould side internal pulling mechanism comprises a movable mould internal pulling sleeve fixed on a movable mould bottom plate, the movable mould internal pulling sleeve penetrates through a movable mould fixed plate and extends into the movable mould plate, a movable mould internal pulling block is arranged in the movable mould internal pulling sleeve, the bottom of the movable mould internal pulling block is connected to a movable mould compound plate, a movable mould guide slide block is arranged at the top of the movable mould internal pulling block and extends out of the movable mould internal pulling sleeve, a movable mould flaring core subassembly is arranged on the movable mould guide slide block, oil cylinders are respectively installed on the outer walls of the two sides of the movable mould plate, and oil cylinder rods of the oil cylinders are connected with the movable mould compound plate; the fixed die side internal pulling mechanism comprises a fixed die internal pulling sleeve fixed on a fixed die fixing plate, a fixed die internal pulling block is arranged in the fixed die internal pulling sleeve, the fixed die internal pulling block is connected with a fixed die compound plate, a fixed die guide block is arranged on the fixed die internal pulling block, the fixed die guide block extends out of the fixed die internal pulling sleeve, and a fixed die flaring core subassembly is arranged on the fixed die guide block.

The vertical core pulling mechanism of the double-flaring straight-through pipe fitting die comprises a movable die flaring core subassembly and a fixed die flaring core subassembly, wherein the movable die flaring core subassembly and the fixed die flaring core subassembly are prefabricated parts which are sold in the market and can be processed by self, and the vertical core pulling mechanism mainly comprises flaring internal pulling splicing blocks and a pipe fitting core and is of a conventional structure. When the core is pulled, the movable mold part and the fixed mold part of the mold are driven by power to open the mold, namely the movable mold moves, the fixed mold does not move, the pipe fitting moves downwards along with the movable mold part, because the fixed die flaring core subassembly is matched with the flaring on the upper side (the fixed die side), at the moment, the flaring forcibly pulls the fixed die flaring core subassembly, so that the fixed die flaring core subassembly (the flaring internal pulling splicing block) retracts along the sliding groove on the fixed die guide sliding block and is pulled out from the flaring, and simultaneously, when the oil cylinder works, the oil cylinder rod pushes the movable mould compound plate to move downwards to drive the movable mould internal pumping block, the movable mould internal pumping block drives the movable mould guide slide block to move downwards, so that the movable mould flaring core assembly (flaring internal pumping block) retracts along the sliding groove on the movable mould guide slide block and is separated from the flaring, and (4) continuously opening the die, so that the pipe fitting cores at the upper end and the lower end are drawn out of the pipe fitting, the pipe fitting automatically drops from the die, and the core pulling is finished. The limiting of mould inner structure is overcome to this scheme, utilizes the mould power that opens and shuts to combine the hydro-cylinder top to move, the flaring of two about realizing smoothly is loosed core, improves production efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a vertical core-pulling mechanism of a double-flaring straight-through pipe fitting mold according to the utility model;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a partially enlarged view of fig. 1 at B.

Detailed Description

The utility model relates to a vertical core-pulling mechanism of a double-flaring straight-through pipe fitting die, which comprises a fixed die compound plate 1 and a movable die compound plate 2, wherein a cushion block 3 and a fixed die fixing plate 5 are arranged below the fixed die compound plate, a fixed die plate 6 is arranged below the cushion block 3 and the fixed die fixing plate 5, a movable die base plate 7 is arranged on the movable die compound plate 2, a movable die fixing plate 8 is arranged on the movable die base plate, a movable die plate 9 is arranged on the movable die fixing plate, at least more than two rows of vertical cavities are arranged between the movable die plate 9 and the fixed die plate 6, each vertical cavity comprises a movable die flaring core subassembly 10 arranged on the movable die plate 9 and a fixed die flaring core subassembly 11 arranged on the fixed die plate 6, the fixed die flaring core subassembly 11 and the movable die core subassembly 10 are vertically matched to form a core fitting, and sliding inserts 12 for clasping a half are respectively arranged on two sides of each pipe fitting core, the clearance between the two sliding inserts 12 and the pipe fitting core forms a pipe fitting die cavity, the pipe fitting die cavity is provided with an injection molding pipe fitting 13, the upper end and the lower end of the pipe fitting are provided with flaring openings 15, the movable mould flaring core subassembly 10 is matched with the flaring opening at the lower side and is driven to loose core by a movable mould side internal pulling mechanism, the fixed mould flaring core subassembly 11 is matched with the flaring opening at the upper side and is driven to loose core by a fixed mould side internal pulling mechanism, the movable mould side internal pulling mechanism comprises a movable mould internal pulling sleeve 20 fixed on a movable mould bottom plate 7, the movable mould internal pulling sleeve penetrates through a movable mould fixed plate 8 and extends into a movable mould plate 9, a movable mould internal pulling block 21 is arranged in the movable mould internal pulling sleeve, the bottom of the movable mould internal pulling block 21 is connected with a movable mould compound plate 2, the top of the movable mould internal pulling block 21 is provided with a movable mould guide slide block 22, the movable mould guide slide block extends out of the movable mould internal pulling sleeve 20, the movable mould flaring core subassembly 10 is arranged on the movable mould guide block 22, oil cylinders 25 are respectively arranged on the outer walls at the two sides of the movable mould plate 9, the oil cylinder rod 26 of the oil cylinder is connected with the movable mould compound plate 2; the fixed die side internal pulling mechanism comprises a fixed die internal pulling sleeve 30 fixed on a fixed die fixing plate 5, a fixed die internal pulling block 31 is arranged in the fixed die internal pulling sleeve, the fixed die internal pulling block 31 is connected with a fixed die compound plate 2, a fixed die guide slide block 32 is arranged on the fixed die internal pulling block 31, the fixed die guide slide block extends out of the fixed die internal pulling sleeve 30, and a fixed die flaring core subassembly 11 is arranged on the fixed die guide slide block 32. The movable mold flaring core subassembly 10 and the fixed mold flaring core subassembly 11 are both prefabricated parts which are sold in the market and can be processed by themselves, and mainly comprise flaring internal drawing splicing blocks and pipe fittings, and are of conventional structures. When the core is pulled, the movable mold part and the fixed mold part of the mold are driven by power to open the mold, namely the movable mold part moves, the fixed mold part does not move, the pipe fitting 13 moves downwards along with the movable mold part, because the fixed mold flaring core assembly 11 is matched with the flaring 15 on the upper side (the fixed mold side), at the moment, the flaring 15 forcibly pulls the fixed mold flaring core assembly 11, so that the fixed mold flaring core assembly 11 (flaring internal pulling block) retracts along the chute on the fixed mold guide slide block 32 and is pulled out from the flaring 15, meanwhile, the oil cylinder 25 works, the oil cylinder rod 26 pushes the movable mold compound plate 2 to move downwards to drive the movable mold internal pulling block 21, the movable mold internal pulling block drives the movable mold guide slide block 22 to move downwards, so that the movable mold flaring core assembly 10 (flaring internal pulling block) retracts along the chute on the movable mold guide slide block 22 and is pulled out from the flaring 15, at the moment, the mold continues to open the mold, so that the pipe fitting cores at the upper end and the lower end are pulled out from the pipe fitting 13, the pipe 13 automatically drops from the mold, and the core pulling is completed. The limiting of mould inner structure is overcome to this scheme, utilizes the mould power that opens and shuts to combine the hydro-cylinder top to move, the flaring of two about realizing smoothly is loosed core, improves production efficiency.

Claims (1)

1. A vertical core-pulling mechanism of a double-flaring straight-through pipe fitting mold comprises a fixed mold compound plate (1) and a movable mold compound plate (2), wherein a cushion block (3) and a fixed mold fixing plate (5) are arranged below the fixed mold compound plate, a fixed mold plate (6) is arranged below the cushion block (3) and the fixed mold fixing plate (5), a movable mold base plate (7) is arranged on the movable mold compound plate (2), a movable mold fixing plate (8) is arranged on the movable mold base plate, a movable mold plate (9) is arranged on the movable mold fixing plate, at least more than two rows of vertical cavities are arranged between the movable mold plate (9) and the fixed mold plate (6), each vertical cavity comprises a movable mold flaring core assembly (10) arranged on the movable mold plate (9) and a fixed mold flaring core assembly (11) arranged on the fixed mold plate (6), and the fixed mold flaring core assemblies (11) and the movable mold flaring core assemblies (10) are in butt-on-to-touch fit up and down to form a pipe fitting core, and two sides of each pipe fitting core are respectively provided with a half clasped sliding insert (12), a pipe fitting die cavity is formed by the two sliding inserts (12) and a gap between the pipe fitting cores, an injection molded pipe fitting (13) is arranged in the pipe fitting die cavity, flares (15) are respectively arranged at the upper end and the lower end of the pipe fitting, a movable mold flaring core subassembly (10) is matched with the flares at the lower side and is driven by a movable mold side internal pulling mechanism to loose core, a fixed mold flaring core subassembly (11) is matched with the flares at the upper side and is driven by a fixed mold side internal pulling mechanism to loose core, the pipe fitting die is characterized in that the movable mold side internal pulling mechanism comprises a movable mold internal pulling sleeve (20) fixed on a movable mold base plate (7), the movable mold internal pulling sleeve penetrates through a movable mold fixing plate (8) and extends into a movable mold plate (9), a movable mold internal pulling block (21) is arranged in the movable mold internal pulling sleeve, and the bottom of the movable mold internal pulling block (21) is connected with a movable mold compound plate (2), the top of the movable mould internal pumping block (21) is provided with a movable mould guide slide block (22), the movable mould guide slide block extends out of the movable mould internal pumping sleeve (20), the movable mould flaring core subassembly (10) is arranged on the movable mould guide slide block (22), oil cylinders (25) are respectively arranged on the outer walls of two sides of the movable mould plate (9), and oil cylinder rods (26) of the oil cylinders are connected with the movable mould compound plate (2); the fixed die side internal pulling mechanism comprises a fixed die internal pulling sleeve (30) fixed on a fixed die fixing plate (5), a fixed die internal pulling block (31) is arranged in the fixed die internal pulling sleeve, the fixed die internal pulling block (31) is connected with a fixed die compound plate (2), a fixed die guide slider (32) is arranged on the fixed die internal pulling block (31), the fixed die guide slider stretches out the fixed die internal pulling sleeve (30), and a fixed die flaring core subassembly (11) is arranged on the fixed die guide slider (32).

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