CN217293345U

CN217293345U - Automatic external cutting and separating mechanism for plastic pipe fitting mold pouring gate

Info

Publication number: CN217293345U
Application number: CN202220240926.8U
Authority: CN
Inventors: 张欢庆
Original assignee: Taizhou Huangyan Weida Plastic Machinery Co Ltd
Current assignee: Taizhou Huangyan Weida Plastic Machinery Co Ltd
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-08-26
Anticipated expiration: 2032-01-29

Abstract

The automatic externally-cutting separating mechanism for the sprue of the plastic pipe fitting die comprises a fixed die compound plate and a movable die compound plate, wherein a fixed die frame and a fixed die insert are arranged below the fixed die compound plate, a die pin, the movable die frame and a movable die insert are arranged on the movable die compound plate, a V-shaped core subassembly and an interface core are arranged between the movable die insert and the fixed die insert, a die cavity is formed between the V-shaped core subassembly and the interface core as well as the movable die insert and the fixed die insert, a sprue bush is arranged on the fixed die compound plate, a runner is connected below the sprue bush and obliquely penetrates through the fixed die frame and the fixed die insert, a lateral runner groove is arranged between the runner and the die cavity, a plastic pipe fitting is injected in the die cavity, a sprue material handle is left in the runner groove, a cutter fixing seat is arranged on the movable die frame corresponding to the sprue material handle, a cutter is arranged on the corresponding fixed die frame, a cutter is slidably arranged on the cutter fixing seat, the cutter is driven by the power to cut the cutter to perform cutting action on the material handle, and a starting device is arranged on the outer wall of one side of an upper sprue and a lower top plate, the starting device controls the power work of the cutter.

Description

Automatic external cutting and separating mechanism for plastic pipe fitting mold pouring gate

Technical Field

The utility model relates to an automatic circumscribed separating mechanism of plastics pipe fitting mould runner belongs to the plastic mold field.

Background

The plastic product is produced by adopting the plastic mould, for example, the plastic pipe fittings and the like are various, wherein a V-shaped pipe fitting is provided, according to the product appearance and characteristic analysis, the upper end of the pipe fitting is provided with two flaring openings, the lower end of the pipe fitting is provided with an interface, and meanwhile, the surface of the pipe fitting is required to be smooth, therefore, the horizontal side-pouring structure is adopted in the design of the traditional mould. After the pipe fitting shaping drawing of patterns, still need the manual work to cut the runner material handle from the pipe fitting body, take a lot of work and time, it is big to cut runner material handle intensity of labour, and is slow, can also cut the pipe fitting body sometimes, causes the pipe fitting to scrap, influences the production efficiency of whole pipe fitting.

Disclosure of Invention

The utility model aims at overcoming prior art's shortcoming, provide one kind when the mould die sinking, automatic control cutter work, with runner material handle and pipe fitting body separation, it is high to cut the precision, high quality, improves production efficiency's the automatic circumscribed separating mechanism of plastics pipe fitting mould runner.

The utility model discloses the automatic circumscribed separating mechanism of plastic tubing spare mould runner's technical scheme is: including mould cover half compound plate and movable mould compound plate, install the cover half under the cover half compound plate and insert, install the cover half in the cover half frame, set up the moulding foot on the movable mould compound plate, be equipped with roof and roof down between the moulding foot, install the movable mould frame on the moulding foot, install the movable mould in the movable mould frame and insert, set up the core between movable mould insert and the cover half insert, the core includes V core subassembly and interface core, and V core subassembly and interface core insert and movable mould insert and constitute the die cavity between the cover half inserts, set up the runner cover on the cover half compound plate, connect the runner under the runner cover, the runner is put to run through cover half frame and cover half insert its characterized in that to one side: a lateral runner groove is formed between the runner and the die cavity, a pipe fitting is injected in the die cavity, a runner material handle is reserved in the runner groove, a cutter fixing seat is arranged on a movable die frame corresponding to the runner material handle, a clearance groove is formed in a corresponding fixed die frame, a cutter is arranged on the cutter fixing seat in a sliding mode, the cutter is driven by cutter power to shear the runner material handle, a starting device is arranged on the outer wall of one side of the upper top plate and the outer wall of one side of the lower top plate, and the starting device controls the cutter to work dynamically.

The utility model discloses an automatic circumscribed separating mechanism of plastics pipe fitting mould runner, owing to set up side direction runner groove between runner and die cavity, runner material handle is left in the runner groove, runner material handle takes place to interfere with other parts of mould inside when the drawing of patterns, it is together ejecting to adopt conventional drawing of patterns mode (pipe fitting and material handle) to have the difficulty, therefore, after ejecting after the die sinking, need cut runner material handle, so, in the die sinking in-process, the push rod of injection molding machine drives roof and lower roof and up together, make starting drive open, drive cutter power work, it cuts off runner material handle and pipe fitting to drive the cutter, owing to be equipped with on the cover half frame and keep away the dead slot, the shearing action does not block, the action is cared once, the tangent plane is smooth, high quality, and high production efficiency.

The utility model discloses an automatic circumscribed separating mechanism of plastics pipe fitting mould runner, cutter fixing base inside wall on set up the forked tail spout, set up the cutter sliding block of taking the forked tail slider on the forked tail spout, the cutter is fixed on the cutter sliding block, cutter power is the cutter cylinder, and the cutter cylinder is fixed on the cutter fixing base to connect the cutter sliding block by the cylinder pole, starting drive control cutter cylinder work. During operation, cut the material handle runner by the cutter on the cutter cylinder drive cutter sliding block, slide by the cooperation of forked tail spout and forked tail slider, the action is in the same direction as smooth, cuts accurately, and the incision is smooth. The starting device comprises a pneumatic switch and a switch pressing plate, the switch pressing plate is arranged on the outer wall of one side of an upper top plate and a lower top plate, the pneumatic switch is arranged on the outer wall of one side of a corresponding mold foot, a contact rod of the pneumatic switch is pressed by the switch pressing plate, the pneumatic switch is provided with an outer joint and an inner joint, the outer joint is connected with an air source through an air pipe, the inner joint is connected with a cutter cylinder through an air pipe, after mold opening, the upper top plate and the lower top plate are jacked up under the action of a push rod of an injection molding machine, the switch pressing plate is separated from the contact rod of the pneumatic switch, the inner joint is switched on, the cutter cylinder works, and the cutter and a sprue material handle are driven to perform shearing action. The starting device has simple structure, can realize the automatic cutting of the cutter cylinder without the control of a computer (control system), and saves the cost. The upper top plate and the lower top plate are connected with a material handle ejector rod, the material handle ejector rod is in contact with the movable die frame and the movable die insert and the sprue material handle, after die opening is carried out, the sheared sprue material handle is ejected out of the die by the material handle ejector rod, and automatic stripping is realized.

Drawings

Fig. 1 is a schematic structural view of a plastic pipe mold of the present invention;

FIG. 2 is a schematic structural view of the automatic gate external cutting and separating mechanism of the present invention;

FIG. 3 is a schematic perspective view of the automatic gate external cutting and separating mechanism of the plastic pipe mold of the present invention;

FIG. 4 is a schematic view of the cutter assembly of the present invention;

fig. 5 is a schematic view of the assembly relationship between the cutter and the runner groove and the clearance groove of the present invention.

Detailed Description

The utility model relates to an automatic externally-cutting separating mechanism for a plastic pipe fitting mold sprue, which comprises a mold fixed mold compound plate 1 and a movable mold compound plate 2, a fixed mold frame 3 is arranged below the fixed mold compound plate, a fixed mold insert 4 is arranged in the fixed mold frame, mold feet 5 are arranged on the movable mold compound plate, an upper top plate 16 and a lower top plate 17 are arranged between the mold feet, a movable mold frame 6 is arranged on the mold feet, a movable mold insert 7 is arranged in the movable mold frame, a core is arranged between the movable mold insert 7 and the fixed mold insert 4, the core comprises a V-shaped core subassembly 8 and an interface core 9, a mold cavity is formed between the V-shaped core 8 and the interface core 9 as well as the movable mold insert 7 and the fixed mold insert 4, a sprue bush 10 is arranged on the fixed mold compound plate, a sprue bush is connected with a runner 11 below the sprue bush, the runner penetrates through the fixed mold frame 3 and the fixed mold insert 4 in an inclined manner, a lateral runner groove 15 is arranged between the runner 11 and the mold cavity, a plastic pipe fitting 12 is injected in the mold cavity, a sprue material handle 13 is reserved in the runner groove 15, a cutter fixing seat 20 is arranged on a movable mold frame 6 corresponding to the sprue material handle 13, a clearance groove 31 is arranged on a corresponding fixed mold frame 3, a cutter 21 is arranged on the cutter fixing seat 20 in a sliding mode and driven by cutter power to cut the sprue material handle 13, a starting device 01 is arranged on the outer wall of one side of the upper top plate 16 and the outer wall of one side of the lower top plate 17, and the starting device 01 controls the cutter to work dynamically. Because the lateral runner groove 15 is arranged between the runner 11 and the die cavity, the runner material handle 13 is left in the runner groove 15, and the runner material handle interferes with other parts in the die during demoulding, and the conventional demoulding mode (the pipe and the material handle are ejected together) is difficult, so the runner material handle 13 needs to be cut before ejection after the die is opened, and therefore, in the die opening process, a push rod of an injection machine drives an upper top plate 16 and a lower top plate 17 to be ejected together, so that a starting device 01 is opened, the cutter is driven to work under power, the cutter 21 is driven to cut off the runner material handle 13 and the pipe 12, and because the clearance groove 31 is arranged on the fixed die frame 3, the cutting action is not blocked, the action is finished at one step, the cut surface is smooth, the quality is good, and the production efficiency is improved. The inside wall of the cutter fixing seat 20 is provided with a dovetail sliding groove 22, the dovetail sliding groove is provided with a cutter sliding block 24 with a dovetail sliding block 23, the cutter 21 is fixed on the cutter sliding block 24, the cutter power is a cutter cylinder 25, the cutter cylinder is fixed on the cutter fixing seat 20 and is connected with the cutter sliding block 24 through a cylinder rod, and the starting device 01 controls the cutter cylinder 25 to work. During operation, cut the material handle runner by the cutter on the cutter cylinder drive cutter sliding block, slide by the cooperation of forked tail spout and forked tail slider, the action is in the same direction as smooth, cuts accurately, and the incision is smooth. The starting device 01 comprises a pneumatic switch 26 and a switch pressing plate 27, the switch pressing plate 27 is arranged on the outer wall of one side of an upper top plate 16 and a lower top plate 17, the pneumatic switch 26 is arranged on the outer wall of one side of a corresponding mold foot 5, the switch pressing plate 27 presses a contact rod of the pneumatic switch, an outer joint 28 and an inner joint 29 are arranged on the pneumatic switch 26, the outer joint is connected with an air source through an air pipe, the inner joint is connected with a cutter cylinder 25 through an air pipe, after the mold is opened, the upper top plate and the lower top plate are upwards jacked up under the action of a push rod of an injection molding machine, the switch pressing plate 27 is separated from the contact of the contact rod of the pneumatic switch 26, and the inner joint 29 is switched on, so that the cutter cylinder 25 works, and the cutter 21 and the sprue material handle 13 are driven to do shearing action. The starting device has simple structure, can realize the automatic cutting of the cutter cylinder without the control of a computer (control system), and saves the cost. The upper top plate 16 and the lower top plate 17 are connected with a material handle ejector rod 30, the material handle ejector rod 30 is in contact with a movable mould frame and a movable mould insert and a sprue material handle 13, and after mould opening is carried out, the sheared sprue material handle is ejected out of a rear mould by the material handle ejector rod, so that automatic stripping is realized.

Claims

1. The automatic external cutting and separating mechanism for the plastic pipe fitting die sprue comprises a die fixed die compound plate (1) and a moving die compound plate (2), a fixed die frame (3) is arranged below the fixed die compound plate, a fixed die insert (4) is arranged in the fixed die frame, die feet (5) are arranged on the moving die compound plate, an upper top plate (16) and a lower top plate (17) are arranged between the die feet, a moving die frame (6) is arranged on the die feet, a moving die insert (7) is arranged in the moving die frame, a core is arranged between the moving die insert (7) and the fixed die insert (4), the core comprises a V-shaped core subassembly (8) and an interface core (9), a die cavity is formed between the V-shaped core subassembly (8) and the interface core (9) and the moving die insert (7) and the fixed die insert (4), a sprue bush (10) is arranged on the fixed die compound plate, a runner (11) is connected below the sprue bush, and the fixed die runner is obliquely arranged to penetrate through the fixed die frame (3) and the fixed die insert (4), the method is characterized in that: set up side direction runner groove (15) between runner (11) and the die cavity, injection molding pipe fitting (12) in the die cavity, runner material handle (13) are left in runner groove (15), set up cutter fixing base (20) on movable mould frame (6) that runner material handle (13) correspond, set up on corresponding fixed mould frame (3) and keep away dead slot (31), slide on cutter fixing base (20) and set up cutter (21), and do the shearing action by cutter power drive cutter (21) to runner material handle (13), set up starting drive (01) on the outer wall of one side of roof (16) and roof (17) down, starting drive (01) control cutter power work.

2. The automatic outsert release mechanism of plastic pipe mold runner of claim 1, characterized in that the inside wall of said cutter fixing base (20) is provided with a dovetail sliding groove (22), the dovetail sliding groove is provided with a cutter sliding block (24) with a dovetail sliding block (23), the cutter (21) is fixed on the cutter sliding block (24), the power of said cutter is a cutter cylinder (25), the cutter cylinder is fixed on the cutter fixing base (20) and connected with the cutter sliding block (24) by a cylinder rod, the start device (01) controls the operation of the cutter cylinder (25).

3. The automatic external cutting and separating mechanism for the plastic pipe fitting mold gate as claimed in claim 2, characterized in that the actuating device (01) comprises a pneumatic switch (26) and a switch pressing plate (27), the switch pressing plate (27) is arranged on the outer wall of one side of the upper top plate (16) and the outer wall of one side of the lower top plate (17), the pneumatic switch (26) is arranged on the outer wall of one side of the corresponding mold pin (5), the switch pressing plate (27) presses a contact rod of the pneumatic switch, the pneumatic switch (26) is provided with an external joint (28) and an internal joint (29), the external joint is connected with a gas source, and the internal joint is connected with the cutter cylinder (25).

4. The automatic gate external cutting and separating mechanism for the plastic pipe fittings die as claimed in claim 1, wherein the upper top plate (16) and the lower top plate (17) are connected with the material handle mandril (30), and the material handle mandril (30) is contacted with the movable die frame and the movable die insert and the gate material handle (13).