CN223890393U - Mould convenient to drawing of patterns - Google Patents

Abstract

The utility model discloses a die convenient for demolding, which comprises an upper die and a lower die, wherein a molding cavity is formed between the upper die and the lower die, a locking assembly for locking the upper die and the lower die is arranged between the upper die and the lower die, a lifting arm is arranged on the side wall of the upper die, a matching groove is arranged on the upper die, a sliding collision plate is arranged in the matching groove, collision flanges are formed on two sides of the collision plate, the collision flanges are exposed out of the matching groove, a demolding guide post extends into the molding cavity, a spring is also in collision between the collision plate and the matching groove, a limiting plate is also matched on the upper die, the limiting plate is arranged on the matching groove, a guide hole and a guide residence are arranged between the limiting plate and the collision plate, the guide hole is in plug connection with the guide residence, a material injection hole for injecting molding raw materials is formed in the limiting plate, and the material injection hole is communicated with the molding cavity. The synchronous operation of the upper grounding switch and the lower grounding switch can be realized, and the synchronous operation device has a simple structure and reasonable layout and has a good use effect.

Description

Mould convenient to drawing of patterns

Technical Field

The utility model relates to a die convenient for demolding.

Background

The sole mould demoulding mode is various. The ejection demolding is divided into mechanical ejection and hydraulic ejection, the mechanical ejection drives ejection rods, ejection plates and other devices by means of an ejection mechanism of an injection molding machine to rapidly demold, but ejection marks possibly remain, the hydraulic ejection is powerful in power and even in ejection force, the speed and the stroke can be accurately controlled, and the device is suitable for large complex dies, but the equipment cost is high. Pneumatic demolding relies on letting in compressed air to the mould die cavity, utilizes atmospheric pressure to make sole and mould separation, does benefit to and guarantees sole surface quality, reduces the damage, only needs stable air supply, and can not be good to the sole effect of complex shape. Along with the promotion of automation process, the requirement of automation equipment to mould is also higher and higher, and current mould is difficult to adapt automation equipment, and the structure drawing of patterns is also comparatively difficult simultaneously, is unfavorable for improving production machining efficiency.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the die convenient for demoulding, which has the advantages of simple structure, reasonable layout, capability of realizing synchronous operation of the upper grounding switch and the lower grounding switch and good use effect.

In order to achieve the above purpose, the utility model provides a mold convenient for demolding, which comprises an upper mold and a lower mold, wherein a molding cavity is formed between the upper mold and the lower mold, a locking component for locking the upper mold and the lower mold is arranged between the upper mold and the lower mold, a lifting arm for matching equipment is arranged on the side wall of the upper mold, a matching groove is arranged on the upper mold, a conflict plate is arranged in the matching groove in a sliding manner, conflict flanges for forming relative displacement between the conflict plate and the upper mold when the conflict plate is in conflict with the equipment are formed on two sides of the conflict plate, the conflict flanges are exposed out of the matching groove, demolding guide columns extend into a molding cavity, springs are also in conflict between the conflict plate and the matching groove, a limiting plate is also matched on the upper mold, a guide hole and a guide residence are arranged between the limiting plate, the guide hole is matched with the guide residence in a plugging manner, a material injection port for injecting molding raw materials is formed in the limiting plate, and the material injection port is communicated with the molding cavity.

The arrangement has the beneficial effects that after the injection molding process is finished, equipment acts on the lifting arm of the side wall of the upper die. With the application of the lifting force, the upper die is lifted upwards steadily and separated from the lower die gradually. Meanwhile, the abutting flanges at two sides of the abutting plate are abutted by equipment, so that relative movement occurs between the abutting plate and the upper die. And demolding guide posts extending from the abutting plates are abutted against the molded product along with the pushing of the abutting plates. Along with the continuous forward movement of the abutting plate, the demolding guide post gradually increases the extrusion force on the molded product, and the product is stably extruded from the molding cavity. The guide hole is matched with the guide pillar in a plugging manner, so that the interference plate always keeps accurate direction in the moving process, and the deviation is avoided, thereby ensuring that the demolding guide pillar can act on a molded product vertically and effectively, and finally completing quick demolding smoothly, and realizing the separation of the product and the mold efficiently and stably.

As a further arrangement of the utility model, the locking assembly comprises a lock catch and a clamping block, wherein the lock catch is arranged on the outer wall of the upper die in a swinging way, the lock catch is arranged below the lifting arm, and the lock catch is also provided with a collision arm for matching with equipment.

The device has the beneficial effects that as the lock catch is arranged below the lifting arm, when the device starts to be demolded, the device firstly contacts with the abutting arm on the lock catch, so that the lock catch swings, the lock catch is separated from the clamping block, the unlocking of the upper die and the lower die is realized, and then the lock catch abuts against the lifting arm, so that the lifting and the separating are realized.

As a further arrangement of the utility model, the guide residence is arranged on the limiting plate, the guide hole is arranged on the abutting plate, the material injection opening is arranged on the guide residence, the guide residence is hollow and provided with a material injection channel, and the position of the upper die matching groove corresponding to the material injection channel is provided with a material receiving hole.

The guide post is arranged on the limiting plate, the guide hole is formed in the abutting plate, the layout is optimized, the abutting plate is tightly matched with the guide hole when moving, the motion track of the abutting plate can be guided more accurately, shaking or deviation of the guide post in the demolding process is avoided, and the demolding stability is greatly improved. The material injection port is arranged on the hollow guide post, the material injection channel is formed in the guide post, the material receiving hole is formed in the corresponding position of the upper die matching groove, and the molding raw material can be accurately and efficiently injected into the molding cavity through the material injection channel, so that the raw material waste and leakage risk are reduced, the reasonable and stable die structure is comprehensively ensured, and the overall use performance is improved.

As a further arrangement of the utility model, the limiting plate is provided with a guide groove in the circumferential direction of the material injection opening, and two sides of the guide groove are also extended with a material overflow groove.

The injection molding device has the beneficial effects that when molding raw materials are injected from the injection port, the guide chute can effectively guide the raw materials to uniformly and rapidly diffuse to the molding cavity, so that the high efficiency and the comprehensiveness of the injection molding process are ensured, the phenomenon of partial material shortage is avoided, and the injection molding operation is greatly facilitated. And the overflow grooves extending from two sides of the guide groove have the advantage after injection molding is finished. The excessive overflowed raw materials can flow into the overflow chute in a homeotropic manner, and after the molding, the excessive parts can be easily removed only by processing the residual materials in the overflow chute, so that the subsequent cleaning flow is simplified, the time and labor cost are saved, and the convenience and the practicability of the die are improved in an omnibearing manner.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

Fig. 2 is a schematic diagram of an explosion structure according to an embodiment of the present utility model.

Detailed Description

The utility model provides an embodiment of a mold convenient for demolding, as shown in fig. 1-2, comprising an upper mold 2 and a lower mold 1, wherein a molding cavity is formed between the upper mold 2 and the lower mold 1, a locking component for locking the upper mold 2 and the lower mold 1 is arranged between the upper mold 2 and the lower mold 1, a lifting arm 21 for matching equipment is arranged on the side wall of the upper mold 2, a matching groove 23 is arranged on the upper mold 2, a collision plate 3 is arranged in the matching groove 23 in a sliding manner, collision flanges 31 for being in collision with the equipment and relatively displaced between the collision plate 3 and the upper mold 2 are formed on two sides of the collision plate 3, a demolding guide pillar 33 is exposed outside the matching groove 23, a spring 24 is also arranged between the collision plate 3 and the matching groove 23, a limiting plate 4 is also matched on the upper mold 2, a stop plate 32 and a guide resident 43 are arranged between the limiting plate 4 and the collision plate 3, the stop plate 32 and the guide hole 43 are communicated with a molding material injection hole 4, and a molding material guide hole is formed in the injection hole 43. The beneficial effect of this arrangement is that the equipment acts on the lifting arms 21 of the side walls of the upper mould 2 after the injection moulding process is completed. With the application of the holding force, the upper die 2 is lifted upward smoothly and separated from the lower die 1 stepwise. At the same time, the interference flanges 31 at both sides of the interference plate 3 are interfered by the apparatus, so that the relative movement between the interference plate 3 and the upper die 2 occurs. The demolding posts 33 extend from the interference plate 3 and are abutted against the molded product along with the pushing of the interference plate 3. As the interference plate 3 continues to advance, the stripper guide post 33 gradually increases the extrusion force on the molded product, and the product is stably extruded from the molding cavity. The guide hole 32 is matched with the guide pillar in a plugging manner, so that the interference plate 3 always keeps accurate direction in the moving process, and the deviation is avoided, thereby ensuring that the demolding guide pillar 33 can act on a molded product vertically and effectively, and finally, the rapid demolding is finished smoothly, and the separation of the product and the mold is realized efficiently and stably.

As a further arrangement of this embodiment, the locking assembly includes a latch 22 and a clamping block 11, where the latch 22 is swingably disposed on the outer wall of the upper mold 2, the latch 22 is disposed below the lifting arm 21, and an interference arm for matching with equipment is further disposed on the latch 22. The device has the beneficial effects that as the lock catch 22 is arranged below the lifting arm 21, when the device starts to be demolded, the device firstly contacts with the abutting arm on the lock catch 22, so that the lock catch 22 swings, the lock catch 22 is separated from the clamping block 11, the unlocking of the upper die 1 and the lower die 1 is realized, and then the lock catch is abutted on the lifting arm 21, so that the lifting and separating are realized.

As a further arrangement of this embodiment, the guiding residence 43 is disposed on the limiting plate 4, the guiding hole 32 is disposed on the abutting plate 3, the material injection opening is disposed on the guiding residence 43, the guiding residence 43 is hollow and provided with a material injection channel, and a material receiving hole is disposed in the upper die 2 matching groove 23 corresponding to the material injection channel. The guide post is arranged on the limiting plate 4, the guide hole 32 is formed in the abutting plate 3, the layout is optimized, the abutting plate 3 is tightly matched with the guide post and the guide hole 32 when moving, the movement track of the abutting plate 3 can be guided more accurately, shaking or deviation of the guide post in the demolding process is avoided, and the demolding stability is greatly improved. The material injection port is arranged on the hollow guide post, the material injection channel is formed in the guide post, the material receiving hole is formed in the position corresponding to the upper die 2 matching groove 23, and the design ensures that the molding raw material can be accurately and efficiently injected into the molding cavity through the material injection channel, so that the raw material waste and leakage risk are reduced, the reasonable and stable structure of the die is comprehensively ensured, and the overall use performance is improved.

As a further arrangement of the present embodiment, the limiting plate 4 is provided with a guide groove 41 circumferentially around the material injection port, and two sides of the guide groove 41 are further extended with a material overflow groove 42. The beneficial effects of the arrangement are that when the molding raw materials are injected from the injection port, the guide chute 41 can effectively guide the raw materials to uniformly and rapidly diffuse to the molding cavity, so that the high efficiency and the comprehensiveness of the injection molding process are ensured, the phenomenon of partial material shortage is avoided, and the injection molding operation is greatly facilitated. And the overflow grooves 42 extending from the two sides of the guide groove 41 have the advantage after injection molding. The excessive overflowed raw materials can flow into the overflow chute 42 in a homeotropic manner, and after the molding, the excessive parts can be easily removed only by processing the excessive materials in the overflow chute 42, so that the subsequent cleaning flow is simplified, the time and labor cost are saved, and the convenience and the practicability of the die use are improved in an omnibearing manner.

The above examples are only one of the preferred embodiments of the present utility model, and the ordinary changes and substitutions made by those skilled in the art within the scope of the technical solution of the present utility model are included in the scope of the present utility model.

Claims (4)

1. The die convenient to demolding comprises an upper die and a lower die, wherein a molding cavity is formed between the upper die and the lower die, and the die is characterized in that a locking assembly used for locking the upper die and the lower die is arranged between the upper die and the lower die, a lifting arm used for matching equipment is arranged on the side wall of the upper die, a matching groove is arranged on the upper die, a conflict plate is arranged in the matching groove in a sliding mode, conflict flanges used for being in conflict with the equipment to form relative displacement between the conflict plate and the upper die are formed on two sides of the conflict plate, the conflict flanges are exposed out of the matching groove, demolding guide posts extend into the molding cavity, springs are further in conflict between the conflict plate and the matching groove, a limiting plate is further matched on the upper die, the limiting plate is arranged on the matching groove, a guide hole and a guide residence are arranged between the limiting plate, the limiting plate is provided with a material injection port used for injecting molding raw materials, and the material injection port is communicated with the molding cavity.

2. The mold facilitating demolding of claim 1, wherein the locking assembly comprises a lock catch and a clamping block, the lock catch is arranged on the outer wall of the upper mold in a swinging mode, the lock catch is arranged below the lifting arm, and an abutting arm for matching equipment is further arranged on the lock catch.

3. The mold facilitating demolding of claim 1, wherein the guide is arranged on the limiting plate, the guide hole is arranged on the abutting plate, the material injection opening is arranged on the guide, the guide is hollow and provided with a material injection channel, and the upper mold matching groove is provided with a material receiving hole corresponding to the material injection channel.

4. The mold convenient to demolding as set forth in claim 1, wherein the limiting plate has guide grooves in the material injecting port, and guide grooves with two sides extending material overflow grooves.