CN219055171U - Mould easy to demould - Google Patents

Abstract

The utility model relates to the technical field of injection molds and discloses a mold easy to demold, which comprises a bottom plate and a top plate, wherein a movable mold plate is fixed at the bottom of the top plate, mold legs are fixed at two sides of the top of the bottom plate, a fixed mold plate is fixed at the top of the mold legs, a mold cavity is formed at the top of the fixed mold plate, and a plurality of guide posts are fixed between the fixed mold plate and the bottom plate; according to the utility model, the formed mold can be cooled through the circulating waterway, the cooling speed of the workpiece is improved, the ejector rod can automatically release the formed tool from the mold cavity during demolding, and the miniature air pump can blow out the workpiece for automatic material release after releasing, so that the production efficiency and safety of the mold are greatly improved, and the problems that the existing injection mold is low in efficiency and easy to damage hands of workers during mold closing and mold opening because workers are required to take down the workpiece by hands during demolding of the existing injection mold are solved.

Description

Mould easy to demould

Technical Field

The utility model relates to the technical field of injection molds, in particular to a mold easy to demold.

Background

The injection mold is a tool capable of solidifying a thermalized raw material to form a product with a specific shape and size under the action of external force, the mold comprises a movable mold plate and a fixed mold plate, the fixed mold plate and the movable mold plate are provided with inner cavities which are formed in advance, the thermalized raw material is led into the inner cavities, the movable mold plate and the fixed mold plate are folded to enable the raw material to be extruded and solidified to form the product, and a plurality of medical products are also usually manufactured by adopting the mold.

Through searching, for example, chinese patent literature discloses an injection mold with a rapid demolding function [ application number: CN202120197955.6; publication No.: CN214687670U ]. The injection mold with the rapid demolding function comprises a working plate, wherein an injection molding member for injection molding is arranged at the upper end of the working plate, a demolding member for demolding is arranged at the upper end of the working plate, and a cooling member for cooling equipment is arranged in the injection molding member.

The injection mold disclosed in the patent is separated from an upper mold and a lower mold after plastic molding, a molded plastic part is positioned in an injection cavity of the lower mold, and the injection cavity of the lower mold is a concave groove, so that the plastic part is inlaid in the groove.

Disclosure of Invention

The utility model aims to provide a die easy to demould, which can cool the molded die and automatically release the molded tool from the die cavity, thereby greatly improving the production efficiency and safety of the die.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mould of easily drawing of patterns, includes bottom plate and roof, the bottom of roof is fixed with the movable mould board, the both sides at bottom plate top all are fixed with the mould foot, the top of mould foot is fixed with the fixed mould board, the die cavity has been seted up at the top of fixed mould board, be fixed with a plurality of guide posts between fixed mould board and the bottom plate, the surface sliding connection of guide post has the ejector plate, the top of ejector plate is fixed with the ejector rod, the ejector rod runs through the fixed mould board and extends to the surface of die cavity, the surface cover of guide post is equipped with reset spring, one side of movable mould board bottom is fixed with the closing plate, one side of movable mould board bottom is fixed with the boss, the back intercommunication of fixed mould board has demoulding structure.

Preferably, the demoulding structure comprises an air blowing pipe, the air blowing pipe is communicated with two sides of the back surface of the fixed template, the surface of the air blowing pipe is in threaded connection with a split connecting pipe, and the other end of the split connecting pipe is communicated with a miniature air pump.

Preferably, a circulating water channel is arranged in the fixed die plate, and two ends of the circulating water channel are communicated with cooling pipelines.

Preferably, the circulating waterway is positioned below the die cavity, and the circulating waterway adopts a U-shaped design.

Preferably, the inside of die cavity is fixed with laminating frame, laminating frame and closing plate swing joint, adopt clearance fit between laminating frame and the closing plate.

Preferably, a positioning ring is fixed at the top of the top plate, and the positioning ring is located at the center of the top plate.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the formed mold can be cooled through the circulating waterway, the cooling speed of the workpiece is improved, the ejector rod can automatically release the formed tool from the mold cavity during demolding, and the miniature air pump can blow out the workpiece for automatic material release after releasing, so that the production efficiency and safety of the mold are greatly improved, and the problems that the existing injection mold is low in efficiency and easy to damage hands of workers during mold closing and mold opening because workers are required to take down the workpiece by hands during demolding of the existing injection mold are solved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

FIG. 3 is a schematic view of a partial perspective structure of the present utility model;

fig. 4 is a partial perspective view of the present utility model.

In the figure: 1. a bottom plate; 2. a top plate; 3. a movable template; 4. a mold foot; 5. a stationary mold plate; 6. a mold cavity; 7. a guide post; 8. an ejector plate; 9. an ejector rod; 10. a return spring; 11. a sealing plate; 12. a boss; 13. a demoulding structure; 131. an air blowing pipe; 132. a split connecting pipe; 133. a micro air pump; 14. a circulating waterway; 15. a cooling pipeline; 16. attaching a frame; 17. and (5) positioning the ring.

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.

Referring to fig. 1-4, a mold easy to demold comprises a bottom plate 1 and a top plate 2, wherein a movable mold plate 3 is fixed at the bottom of the top plate 2, mold legs 4 are fixed at two sides of the top of the bottom plate 1, a fixed mold plate 5 is fixed at the top of the mold legs 4, a mold cavity 6 is arranged at the top of the fixed mold plate 5, a plurality of guide posts 7 are fixed between the fixed mold plate 5 and the bottom plate 1, ejector plates 8 are slidably connected to the surfaces of the guide posts 7, ejector rods 9 are fixed at the top of the ejector plates 8, the ejector rods 9 penetrate through the fixed mold plate 5 and extend to the surfaces of the mold cavity 6, reset springs 10 are sleeved on the surfaces of the guide posts 7, a sealing plate 11 is fixed at one side of the bottom of the movable mold plate 3, a boss 12 is fixed at one side of the bottom of the movable mold plate 3, and demolding structures 13 are communicated with the back of the fixed mold plate 5; the mould can cool down the mould after the shaping through circulation water route 14, improved the cooling rate of work piece, ejection rod 9 can deviate from the instrument of shaping in die cavity 6 voluntarily when the drawing of patterns, and miniature air pump 133 can blow out the work piece and take off the material voluntarily after deviate from, has improved mould production's efficiency and security greatly, has solved current injection mold still need the workman to take off the work piece with the hand when carrying out the drawing of patterns, and the manual work piece of taking is not only inefficiency, and the problem that causes the injury to workman's hand easily when compound die and open the mould moreover.

The demoulding structure 13 comprises an air blowing pipe 131, the air blowing pipe 131 is communicated with two sides of the back surface of the fixed template 5, a split connecting pipe 132 is connected to the surface of the air blowing pipe 131 in a threaded mode, a micro air pump 133 is communicated with the other end of the split connecting pipe 132, the micro air pump 133 can blow air, high-pressure air is fed into the mould cavity 6 through the split connecting pipe 132 and the air blowing pipe 131, and a workpiece can be blown out through the air.

The inside of fixed die plate 5 has been seted up circulation water route 14, and the both ends of circulation water route 14 all communicate there is cooling pipeline 15, and circulation water route 14 can cool down the mould after the shaping, has improved the cooling rate of work piece, and circulation water route 14 is located the below of die cavity 6, and circulation water route 14 adopts U type design, and this kind of design can avoid circulation water route 14 to influence the normal shaping of die cavity 6, can guarantee normal cooling work simultaneously.

The inside of die cavity 6 is fixed with laminating frame 16, laminating frame 16 and closing plate 11 swing joint adopt clearance fit between laminating frame 16 and the closing plate 11, and laminating frame 16 can laminate closing plate 11, seals blowpipe 131, prevents to form the hole when the work piece shaping.

The top of roof 2 is fixed with retainer plate 17, and retainer plate 17 is located the central point of roof 2, and retainer plate 17 can lead the injection molding machine, can swiftly carry out the injection molding more.

Working principle: when injection molding is performed, firstly, the positioning ring 17 of the mold is arranged at the discharge hole of the injection molding machine, the positioning ring 17 can guide the injection molding machine during injection molding, injection molding can be performed more quickly, the hydraulic cylinder moves with the movable mold plate 3 during injection molding until the movable mold plate 3 and the fixed mold plate 5 form a whole, then the injection molding machine is started to inject molten plastic into the mold cavity 6, an external cooling pipe is connected to the cooling pipeline 15 after injection molding is completed, external cooling water can cool the movable mold plate 3 through the circulating waterway 14, the hydraulic cylinder is started during demolding, the ejector rod 9 rebounds to eject a plastic part under the action of the reset spring 10, and a worker can start the micro air pump 133 to blow out the workpiece from the mold cavity 6 after ejection.

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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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 mould easy drawing of patterns, includes bottom plate (1) and roof (2), its characterized in that: the bottom of roof (2) is fixed with movable mould board (3), the both sides at bottom plate (1) top all are fixed with mould foot (4), the top of mould foot (4) is fixed with fixed mould board (5), die cavity (6) have been seted up at the top of fixed mould board (5), be fixed with a plurality of guide posts (7) between fixed mould board (5) and bottom plate (1), the surface sliding connection of guide post (7) has ejector plate (8), the top of ejector plate (8) is fixed with ejector rod (9), ejector rod (9) run through fixed mould board (5) and extend to the surface of die cavity (6), the surface cover of guide post (7) is equipped with reset spring (10), one side of movable mould board (3) bottom is fixed with closing plate (11), one side of movable mould board (3) bottom is fixed with boss (12), the back intercommunication of fixed mould board (5) has demoulding structure (13).

2. A mold easy to release according to claim 1, wherein: the demolding structure (13) comprises an air blowing pipe (131), wherein the air blowing pipe (131) is communicated with two sides of the back surface of the fixed mold plate (5), a split connecting pipe (132) is connected with the surface of the air blowing pipe (131) in a threaded mode, and a miniature air pump (133) is communicated with the other end of the split connecting pipe (132).

3. A mold easy to release according to claim 1, wherein: the inside of fixed template (5) has seted up circulation water route (14), the both ends of circulation water route (14) all communicate and have cooling line (15).

4. A mold easy to release according to claim 3, wherein: the circulating water channel (14) is positioned below the die cavity (6), and the circulating water channel (14) adopts a U-shaped design.

5. A mold easy to release according to claim 1, wherein: the inside of die cavity (6) is fixed with laminating frame (16), laminating frame (16) and closing plate (11) swing joint, adopt clearance fit between laminating frame (16) and closing plate (11).

6. A mold easy to release according to claim 1, wherein: the top of roof (2) is fixed with retainer plate (17), retainer plate (17) are located the central point of roof (2).

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