CN211994018U

CN211994018U - Internal and external double thread loose core mould

Info

Publication number: CN211994018U
Application number: CN202020313056.3U
Authority: CN
Inventors: 兰泽胜
Original assignee: Bengbu Lantian Mold Technology Co ltd
Current assignee: Bengbu Lantian Mold Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-11-24
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses an inside and outside double thread mould of loosing core, including fixed die plate, movable mould board, the last cover half that inlays of fixed die plate is inserted, has seted up the spout on the fixed die plate, and the spout sets up in the cover half top of inserting, and four slider setting elements are installed to spout both sides inner wall symmetry, and it is provided with two sliding block sets to slide on the spout, and the sliding block set includes big slider, little slider. The utility model discloses an external motor passes through the chain and drives the sprocket rotation, and the sprocket drives the axis of rotation and rotates, and axis of rotation meshing drives pinion rotation, and the pinion drives the connecting axle and rotates, and the connecting axle drives the plug and rotates, and the interior screw hole that plug cooperation movable mould was inserted drives the push pedal and rises, and the push pedal is ejecting with the outer product of plug, solves among the prior art mould internal thread need loose core through the spring with product jack-up, the technical problem of the inefficiency of loosing core.

Description

Internal and external double thread loose core mould

Technical Field

The utility model relates to a mould production technical field, concretely relates to inside and outside double thread loose core mould.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

The types of the die are various, wherein the internal thread of the die can be used for pulling the core by using a gear motor, the external thread of the die is in a typical double-slider core pulling mode, the internal thread and the external thread need to be sequentially pulled when the core is pulled, the external thread needs to be pulled firstly, then the internal thread needs to be pulled, and if the internal thread is pulled firstly and then the external thread is damaged, so that the structural failure of the die is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inside and outside double thread loose core mould solves following technical problem: (1) the external motor drives the chain wheel to rotate through the chain, the chain wheel drives the rotating shaft to rotate, the rotating shaft is meshed with the rotating shaft to drive the pinion to rotate, the pinion drives the connecting shaft to rotate, the connecting shaft drives the core rod to rotate, the core rod is matched with an inner threaded hole in the movable die insert to drive the push plate to ascend, and the push plate pushes out a product outside the core rod, so that the technical problems that in the prior art, the product needs to be pushed up through a spring to loose core through internal threads; (2) after moulding plastics through the mould, open the cover half bedplate, the cover half bedplate drives the jiao kou cover, latch segment and guide pillar to one side rise, three latch segment cancellation is to the centre gripping of slider group, guide pillar cancellation to slider group's direction to one side simultaneously, the plug connecting hole cancellation between big slider and the little slider is to the spacing of plug, can loose core the product external screw thread, increase a die joint in the middle of fixed die plate and cover half bedplate, the big slider of external screw thread, little slider does here, open cover half panel earlier and fixed die plate when the mould is accomplished to mould plastics the die sinking and utilize guide pillar to accomplish the external screw thread to loose core, solve among the prior art mould loose core from the internal thread to the external screw thread in proper order can cause the technical problem of.

The purpose of the utility model can be realized by the following technical scheme:

an internal and external double thread core pulling die comprises a fixed die plate and a movable die plate, wherein a fixed die insert is embedded in the fixed die plate, a sliding groove is formed in the fixed die plate and is arranged above the fixed die insert, four sliding block positioning parts are symmetrically arranged on the inner walls of the two sides of the sliding groove, two sliding block sets are arranged on the sliding groove in a sliding mode and comprise a large sliding block and a small sliding block, the large sliding block and the small sliding block are arranged oppositely, two core rod connecting holes are spliced between the large sliding block and the small sliding block, internal threads are formed in the inner walls of the core rod connecting holes, a fixed die base plate is arranged at the top of the fixed die plate, a positioning ring is embedded at the top of the fixed die base plate, a rubber opening sleeve penetrates through the fixed die base plate, a push plate is arranged at the bottom of the fixed die plate, a movable die, the utility model discloses a novel core rod, including backup pad, movable mould bedplate, gear wheel, pinion cover, connecting axle, backup pad, movable mould bedplate, connecting axle, backup pad, movable mould bedplate, be provided with the movable mould bedplate below, be provided with two feet between movable mould bedplate and the backup pad, movable mould bedplate top is rotated and is connected with the axis of rotation, the cover is equipped with the sprocket in the axis of rotation, still the cover is equipped with the gear wheel in the axis of rotation, the meshing of gear wheel outer peripheral face is connected with four pinions, the pinion cover is located on the connecting axle.

Furthermore, two inclined guide posts penetrate through the large sliding block and the small sliding block and are fixedly connected with the bottom of the fixed die base plate.

Furthermore, locking blocks are arranged in the middle of the two sliding block groups and on the two sides of the two sliding block groups, and the locking blocks are fixedly connected with the bottom of the fixed die base plate.

Further, the chain wheel is connected with an external motor through chain transmission, the large gear is arranged above the chain wheel, and a second bearing is sleeved at the top of the rotating shaft.

Further, a nut is installed at the bottom of the connecting shaft, a first bearing is sleeved on the connecting shaft, and the first bearing is arranged above the pinion.

The utility model has the advantages that:

(1) the utility model discloses an inside and outside double thread loose core mould, after the mould is moulded plastics, open the cover half bedplate, the cover half bedplate drives the gum mouth cover, latch segment and oblique guide pillar and rises, three latch segment cancellation to the centre gripping of slider group, the direction of slider group is cancelled to oblique guide pillar cancellation simultaneously, the spacing to the plug is cancelled to the plug connecting hole between big slider and the little slider, can be with the product external screw thread loose core, increase a die joint in the middle of fixed die plate and cover half bedplate, do the big slider of external screw thread, little slider here, open cover half panel and fixed die plate before the mould finishes the mould injection die sinking and utilize oblique guide pillar to finish the external screw thread loose core;

(2) the external motor passes through the chain and drives the sprocket rotation, the sprocket drives the axis of rotation and rotates, the axis of rotation meshing drives the pinion and rotates, the pinion drives the connecting axle and rotates, the connecting axle drives the plug and rotates, the interior screw hole that plug cooperation movable mould was inserted drives the push pedal and rises, the push pedal is ejecting with the outer product of plug, accomplish the cover half after loosing core of external screw thread part, after the die sinking is accomplished, utilize external motor linkage to drive the rotatory interior screw thread of accomplishing of mould gear and loose core, accomplish the interior screw thread automatically and loose core, it is efficient to loose core, simultaneously loose core to the internal screw thread order through the external screw thread.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of an internal and external double thread core-pulling mold of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of the sliding block set of the present invention;

FIG. 4 is a schematic structural view of the movable mold insert of the present invention;

FIG. 5 is an installation view of the mandrel of the present invention;

in the figure: 1. a positioning ring; 2. a rubber mouth sleeve; 3. a fixed die base plate; 4. a locking block; 5. a slider group; 51. a large slider; 52. a small slider; 53. connecting holes of the core rod; 6. an inclined guide post; 7. a slider positioning member; 8. a fixed die insert; 9. fixing a template; 91. a chute; 10. a movable die insert; 101. an inner threaded hole; 11. pushing the plate; 12. moving the template; 13. a support plate; 14. a core rod; 141. a connecting shaft; 15. a first bearing; 16. a second bearing; 17. a bull gear; 18. a sprocket; 19. a nut; 20. a rotating shaft; 21. a mould leg; 22. a movable mould seat plate; 23. a pinion gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model relates to an internal and external double thread core pulling mold, which comprises a fixed mold plate 9 and a movable mold plate 12, wherein a fixed mold insert 8 is embedded on the fixed mold plate 9, a chute 91 is arranged on the fixed mold plate 9, the chute 91 is arranged above the fixed mold insert 8, four slide block positioning pieces 7 are symmetrically arranged on the inner walls of the two sides of the chute 91, two slide block sets 5 are arranged on the chute 91 in a sliding way, each slide block set 5 comprises a large slide block 51 and a small slide block 52, the large slide block 51 and the small slide block 52 are arranged oppositely, two mandrel connecting holes 53 are spliced between the large slide block 51 and the small slide block 52, inner walls of the mandrel connecting holes 53 are provided with internal threads, a fixed mold plate 3 is arranged on the top of the fixed mold plate 9, a positioning ring 1 is embedded on the top of the fixed mold plate 3, a rubber port sleeve 2 penetrates, the bottom of the push plate 11 is provided with a movable mold base plate 22, the bottom of the movable mold base plate 22 is provided with a support plate 13, the movable mold base plate 22 is arranged below the support plate 13, two mold feet 21 are arranged between the movable mold base plate 22 and the support plate 13, the top of the movable mold base plate 22 is rotatably connected with a rotating shaft 20, a chain wheel 18 is sleeved on the rotating shaft 20, a large gear 17 is further sleeved on the rotating shaft 20, four small gears 23 are meshed with the outer peripheral surface of the large gear 17, the small gears 23 are sleeved on a connecting shaft 141, the connecting shaft 141 is installed at the bottom of a core rod 14, the core rod 14 sequentially penetrates through the support plate 13, the movable mold plate 12 is.

Specifically, two inclined guide posts 6 penetrate through the large slide block 51 and the small slide block 52, and the inclined guide posts 6 are fixedly connected with the bottom of the fixed die base plate 3. The middle and two sides of the two sliding block sets 5 are provided with locking blocks 4, and the locking blocks 4 are fixedly connected with the bottom of the fixed die base plate 3. The chain wheel 18 is connected with an external motor through chain transmission, the large gear 17 is arranged above the chain wheel 18, and the top of the rotating shaft 20 is sleeved with a second bearing 16. The nut 19 is installed at the bottom of the connecting shaft 141, the first bearing 15 is sleeved on the connecting shaft 141, and the first bearing 15 is arranged above the pinion 23.

Referring to fig. 1-5, the operation of the inner and outer double thread core pulling mold of the present embodiment is as follows:

the method comprises the following steps: after the mold is injected, the fixed mold base plate 3 is opened, the fixed mold base plate 3 drives the sprue bush 2, the locking blocks 4 and the inclined guide post 6 to ascend, the three locking blocks 4 cancel clamping on the sliding block group 5, meanwhile, the inclined guide post 6 cancels guiding on the sliding block group 5, and the core rod connecting hole 53 between the large sliding block 51 and the small sliding block 52 cancels limiting on the core rod 14, so that the external thread of the product can be pulled;

step two: and continuing to open the mold, driving the chain wheel 18 to rotate by the external motor through a chain, driving the rotating shaft 20 to rotate by the chain wheel 18, driving the pinion 23 to rotate by meshing the rotating shaft 20, driving the connecting shaft 141 to rotate by the pinion 23, driving the core rod 14 to rotate by the connecting shaft 141, driving the push plate 11 to ascend by the core rod 14 matched with the inner threaded hole 101 on the movable mold insert 10, and ejecting the product outside the core rod 14 by the push plate 11.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The internal and external double-thread core pulling mold is characterized by comprising a fixed mold plate (9) and a movable mold plate (12), wherein a fixed mold insert (8) is embedded in the fixed mold plate (9), a sliding groove (91) is formed in the fixed mold plate (9), the sliding groove (91) is formed in the upper portion of the fixed mold insert (8), four sliding block positioning parts (7) are symmetrically installed on the inner walls of two sides of the sliding groove (91), two sliding block sets (5) are arranged on the sliding groove (91) in a sliding mode, each sliding block set (5) comprises a large sliding block (51) and a small sliding block (52), the large sliding block (51) and the small sliding block (52) are arranged oppositely, two core rod connecting holes (53) are spliced between the large sliding block (51) and the small sliding block (52), internal threads are formed in the inner walls of the core rod connecting holes (53), and a fixed mold base, the die comprises a fixed die base plate (3), wherein a positioning ring (1) is embedded in the top of the fixed die base plate (3), a rubber opening sleeve (2) penetrates through the fixed die base plate (3), a push plate (11) is arranged at the bottom of a fixed die plate (9), a moving die insert (10) is embedded in the push plate (11) in a sliding manner, a moving die base plate (22) is arranged at the bottom of the push plate (11), a support plate (13) is arranged at the bottom of the moving die base plate (22), a moving die base plate (22) is arranged below the support plate (13), two die feet (21) are arranged between the moving die base plate (22) and the support plate (13), a rotating shaft (20) is rotatably connected to the top of the moving die base plate (22), a chain wheel (18) is sleeved on the rotating shaft (20), a large gear (17, the small gear (23) is sleeved on the connecting shaft (141), the connecting shaft (141) is installed at the bottom of the core rod (14), the core rod (14) sequentially penetrates through the supporting plate (13) and the movable die plate (12) and is connected to the core rod connecting hole (53), four inner threaded holes (101) are formed in the movable die insert (10), and the core rod (14) is in threaded connection with the inner threaded holes (101).

2. The internal and external double thread loose core die according to claim 1, wherein two inclined guide pillars (6) penetrate through the large sliding block (51) and the small sliding block (52), and the inclined guide pillars (6) are fixedly connected with the bottom of the fixed die base plate (3).

3. The internal and external double thread core pulling mold as claimed in claim 1, wherein locking blocks (4) are arranged in the middle and at two sides of the two sliding block sets (5), and the locking blocks (4) are fixedly connected with the bottom of the fixed mold base plate (3).

4. The inner and outer double-thread loose core die according to claim 1, wherein the chain wheel (18) is connected with an external motor through chain transmission, the large gear (17) is arranged above the chain wheel (18), and a second bearing (16) is sleeved on the top of the rotating shaft (20).

5. The internal and external double thread loose core die according to claim 1, wherein a nut (19) is installed at the bottom of the connecting shaft (141), a first bearing (15) is sleeved on the connecting shaft (141), and the first bearing (15) is arranged above the pinion (23).