CN221161369U - Die with controllable die opening sequence - Google Patents

Abstract

The utility model discloses a die with a controllable die opening sequence, which comprises a lower die holder, wherein the top of the lower die holder is fixedly connected with a die core, one side of the die core is provided with a lower inner die, one side of the lower inner die is provided with an inclined top, the front surface of the lower inner die is slidably provided with a delay block, the front surface of the lower inner die is fixedly connected with a travel pin, and a guide groove matched with the travel pin is formed in the delay block. This controllable mould of die sinking order, when moving through the oblique top of diagonal drive, the product body upward movement, owing to delay the piece back and have lower centre form to prop up, delay the piece parallel and slide towards product body direction for realize the separation with the product back-off department, when delay the piece from the bottom of perpendicular section remove to the top of perpendicular section, delay inefficacy, then delay the piece and move together the complete drawing of patterns of realization product to avoid oblique top and injection molding product adhesion and lead to the condition that the position of bone pulled apart, guarantee the quality of product.

Description

Die with controllable die opening sequence

Technical Field

The utility model relates to the technical field of dies, in particular to a die with a controllable die opening sequence.

Background

A mould, a mould and a tool for producing a desired product by injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and the like, in industrial production, in short, the mould is a tool for producing a molded article, the tool is composed of various parts, and different moulds are composed of different parts, and the processing of the appearance of the article is realized mainly by changing the physical state of the molded material.

Because the special characteristics of some plastic products can be provided with the back-off at the product side for injection mold needs to have corresponding structure setting in the design, adopts the supplementary shaping of oblique top structure generally, but the setting of oblique top structure, at the ejecting in-process of drawing of patterns, appears oblique top and the circumstances of injection molding product adhesion easily, leads to the product bone position to split, influences the quality of product.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a die with a controllable die opening sequence, which solves the problems that the setting of an inclined ejection structure easily causes the adhesion of the inclined ejection and injection products during the demolding and ejection process, resulting in the cracking of the bone position of the products and affecting the quality of the products.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a controllable mould of die sinking order, includes the die holder, the top fixedly connected with core of die holder, one side of core is provided with down the centre form, and one side of centre form is provided with the sloping roof down, the front slip of centre form is provided with the delay piece down, the front fixedly connected with travel pin of centre form down, the guide way with travel pin looks adaptation has been seted up to the inside of delay piece, the bottom fixedly connected with diagonal bar of centre form down, the inclined plane setting is personally submitted with the contact of centre form down.

Preferably, the contact surface of the core and the lower internal mold sequentially comprises a first inclined ramp, a vertical section and a second inclined ramp from bottom to top.

Preferably, the bottom end of the inclined rod penetrates through the lower die holder and extends to the outside of the lower die holder, and one end of the inclined rod extending to the outside of the lower die holder is rotatably provided with a driving seat.

Preferably, a guiding through hole is formed in the lower die holder, and the guiding through hole is used for guiding and limiting the inclined rod.

Preferably, the top of the core is provided with a product body.

Preferably, the other side of the core is provided with an abutment formation.

Advantageous effects

The utility model provides a die with a controllable die opening sequence. Compared with the prior art, the device has the following

The beneficial effects are that:

(1) When the inclined rod drives the inclined top to move, the product body moves upwards, the delay block slides in the direction of the product body in parallel due to the fact that the lower inner die is arranged on the back of the delay block, separation of the delay block from the back of the product body is achieved, when the delay block moves from the bottom of the vertical section to the top of the vertical section, failure is delayed, then the delay block and the inclined top move together to achieve complete demolding of the product, and accordingly bone fracture caused by adhesion of the inclined top and an injection molding product is avoided, and quality of the product is guaranteed.

(2) The die with the controllable die opening sequence is characterized in that a guide through hole is formed in the die through the lower die base, and when the inclined rod drives the lower internal die, the guide through hole guides and limits the moving position of the inclined rod, so that the stability of the movement of the lower internal die is ensured.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model before die opening;

FIG. 2 is a schematic diagram of a delay block moving to a B-point configuration according to the present utility model;

FIG. 3 is a schematic view of the structure of the product in the fully ejected state of the present utility model;

FIG. 4 is a schematic view of a lower die holder according to the present utility model;

fig. 5 is a partial enlarged view of the present utility model at S in fig. 1.

In the figure: 1. a lower die holder; 2. a core; 3. a lower internal mold; 4. a pitched roof; 5. a delay block; 6. a travel pin; 7. a guide groove; 8. a diagonal rod; 9. a first inclined ramp; 10. a vertical section; 11. a second inclined ramp; 12. a driving seat; 13. a guide through hole; 14. a product body; 15. and abutting against the structural member.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 5, the utility model provides a die with controllable die opening sequence, comprising a lower die holder 1, wherein the top of the lower die holder 1 is fixedly connected with a core 2, the core 2 is a part for forming a product space, one side of the core 2 is provided with a lower inner die 3, the lower inner die 3 is movably assembled on the side of the core 2 and is used for ejecting and demolding a molded product, one side of the lower inner die 3 is provided with an inclined top 4, the inclined top 4 is used for assisting product molding when the inner side of the product is provided with a back-off, the front surface of the lower inner die 3 is slidably provided with a delay block 5, the delay block 5 is used for driving the inclined top 4 to be separated from the side of the product when the delay block 5 is used for moving, the front surface of the lower inner die 3 is fixedly connected with a travel pin 6, the travel pin 6 and a guide groove 7 are arranged for controlling the travel distance and limit protection of the delay block 5, the guide groove 7 matched with the travel pin 6 is arranged in the delay block 5, the bottom of the lower internal mold 3 is fixedly connected with a diagonal rod 8, the diagonal rod 8 is used for driving the lower internal mold 3 to move upwards, the contact surface of the core 2 and the lower internal mold 3 is in inclined surface arrangement, the contact surface of the core 2 and the lower internal mold 3 sequentially comprises a first inclined ramp 9, a vertical section 10 and a second inclined ramp 11 from bottom to top, the bottom of the vertical section 10 is provided with a point A, the top of the vertical section 10 is provided with a point B, after the delay block 5 moves from the point A to the point B, delay is finished, the travel pin 6 moves to the other side of the guide groove 7 in parallel along with the movement of the delay block 5, the bottom end of the diagonal rod 8 penetrates through the lower die holder 1 and extends to the outside of the lower die holder 1, one end of the diagonal rod 8 extending to the outside of the lower die holder 1 is rotationally provided with a driving seat 12, the driving seat 12 is connected with a driving structure of an external machine tool, the top of the core 2 is provided with a product body 14, the other side of the core 2 is provided with a butt construction member 15, the abutment formation 15 serves to structurally support the inside of the product body 14 without back-off.

Through the setting of above-mentioned structure, the drive structure on the outside lathe drives drive seat 12 and upwards moves, drive seat 12 drives down centre form 3 through down the dead lever 8 and upwards moves, when the oblique top 4 upwards moves, product body 14 upwards moves, because there is lower centre form 3 to prop down in the delay piece 5 back, can't move towards the direction of oblique top 4, delay piece 5 only can parallel orientation product body 14 direction slip for realize the separation with product back-off department, when delay piece 5 moves from the bottom of perpendicular section 10 i.e. the point A to the top of perpendicular section 10 i.e. the point B, delay inefficacy, then under the drive of dead lever 8, delay piece 5 and oblique top 4 move together and realize the complete drawing of patterns of product, thereby avoid oblique top 4 and injection molding product adhesion and lead to the bone position to split.

Example two

In the first embodiment, referring to fig. 4, a guiding through hole 13 is formed in the lower die holder 1, and the guiding through hole 13 is used for guiding and limiting the diagonal rod 8.

Through the arrangement of the structure, the inclined rod 8 penetrates through the guide through hole 13, and when the external driving structure drives, the guide through hole 13 can guide and limit the inclined rod 8, so that the movement of the lower die holder 1 is more stable.

Example III

Referring to fig. 1 to 5, the first embodiment and the second embodiment are combined to obtain the present embodiment.

Through the setting of structures such as lower centre form 3, oblique top 4, delay piece 5, travel pin 6 and down tube 8, when carrying out the drawing of patterns to the product that has the back-off, can separate oblique top 4 and product back-off department earlier, then with the complete ejecting mould of product, prevent that oblique top 4 and injection molding product adhesion from leading to the bone position to pull apart, influence product quality, through the setting of direction through-hole 13, when down tube 8 upwards moves, guarantee that its position is difficult for squinting for driven lower centre form 3 motion is more stable.

And all that is not described in detail in this specification is well known to those skilled in the art.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a controllable mould of die sinking order, includes die holder (1), the top fixedly connected with core (2) of die holder (1), its characterized in that: one side of core (2) is provided with centre form (3) down, and one side of centre form (3) is provided with oblique top (4) down, the front slip of centre form (3) is provided with delay piece (5) down, the front fixedly connected with travel pin (6) of centre form (3) down, guide way (7) with travel pin (6) looks adaptation have been seted up to the inside of delay piece (5), the bottom fixedly connected with down centre form (3) inclined rod (8), the inclined plane setting is personally submitted with the contact of centre form (3) down in core (2).

2. A die with controllable die opening sequence as claimed in claim 1, wherein: the contact surface of the core (2) and the lower internal mold (3) sequentially comprises a first inclined ramp (9), a vertical section (10) and a second inclined ramp (11) from bottom to top.

3. A die with controllable die opening sequence as claimed in claim 1, wherein: the bottom of the inclined rod (8) penetrates through the lower die holder (1) and extends to the outside of the lower die holder (1), and one end of the inclined rod (8) extending to the outside of the lower die holder (1) is rotatably provided with a driving seat (12).

4. A die with controllable die opening sequence as claimed in claim 1, wherein: the inside of die holder (1) has offered direction through-hole (13), and direction through-hole (13) are used for guiding and spacing diagonal bar (8).

5. A die with controllable die opening sequence as claimed in claim 1, wherein: the top of the core (2) is provided with a product body (14).

6. A die with controllable die opening sequence as claimed in claim 1, wherein: an abutting structural piece (15) is arranged on the other side of the core (2).