CN210880641U - A3D prints injection mold for making souvenir - Google Patents

Abstract

The utility model provides a 3D prints injection mold for making souvenir belongs to the injection mold field, this a 3D prints injection mold for making souvenir, including injection molding machine body, fixed die plate, movable mould board and drawing of patterns subassembly. And limiting blocks are fixedly arranged on two sides of the injection molding machine. And a forming female die is arranged on the upper surface of the fixed template, and the fixed template is arranged on a fixed plate of the injection molding machine body. And a forming male die is arranged on the lower surface of the movable die plate. The movable mould board continues to move up to make baffle and stopper contact to inject baffle rebound, make the baffle compression elasticity extensible member, promote the rack simultaneously and move down, make the rack drive driven gear rotatory, rotate through the rotatory bull stick that drives of pivot, release the product of recess internal connection under the bull stick rotates, be convenient for unload, reduce the possibility that the product blocked.

Description

A3D prints injection mold for making souvenir

Technical Field

The utility model relates to an injection mold field particularly, relates to a 3D prints injection mold for making souvenir.

Background

The 3D printing injection mold is produced by a metal 3D printing technology, mainly takes metal powder, particles or metal wire materials as raw materials, adopts CAD model pre-layering treatment, adopts high-power laser beam melting, stacking and growing (additive manufacturing), directly completes near-net forming of a high-performance component from the CAD model in one step, integrates selective laser melting, stacking and molding of the metal powder and high-speed cutting processing in the printing process, and is a composite of stacking and removing processing.

The injection mold consists of a movable mold and a fixed mold, wherein the movable mold is arranged on a movable template of the injection molding machine, and the fixed mold is arranged on a fixed template of the injection molding machine. And when the mold is opened, the movable mold is separated from the fixed mold so as to take out the plastic product.

Carry out injection mold production through 3D printing technique, will no longer receive the restraint of inside complex construction and shape, can carry out more complicated structural design, consequently this 3D prints injection mold and has more reasonable design.

The size precision of the processed parts after composite processing is used reaches less than +/-0.01 mm, the surface hardness also reaches more than Hrc52, and the functional requirements of precision mold parts are met, so that the injection mold produced by the 3D printing technology can overcome the defects of the traditional mold production to a great extent.

Utilize 3D to print memorial badge or other souvenir of injection mold preparation school for the product shaping is good, and production quality is high, and nevertheless the finished product after injection moulding easily blocks in the shaping die in process of production, needs the manual work to handle, influences the continuous production of product, and production cycle is long, and is inefficient.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a 3D prints injection mold for making souvenir aims at improving the problem of the easy card of product in the shaping die.

The utility model discloses a realize like this:

the utility model provides a 3D prints injection mold for making souvenir, includes injection moulding subassembly, cover half board subassembly, movable mould board subassembly and drawing of patterns subassembly.

The injection molding assembly comprises an injection molding machine body and two limiting blocks, wherein the two limiting blocks are fixedly connected with the injection molding machine body.

The fixed die plate assembly comprises a fixed die plate and a forming female die, the forming female die is arranged on the upper surface of the fixed die plate, a runner port is arranged on the lower surface of the fixed die plate, an injection hole is arranged at the bottom of the runner port, and the fixed die plate is arranged on a fixed plate of the injection molding machine body.

The movable mould plate assembly comprises a movable mould plate and a forming male mould, the forming male mould is arranged on the lower surface of the movable mould plate, a concave hole is formed in the lower surface of the forming male mould, a fixing frame is arranged on the upper surface of the movable mould plate, a baffle is connected to the fixing frame in a sliding mode, an elastic telescopic piece is arranged between the baffle and the movable mould plate, and the upper end of the fixing frame is installed on a movable plate of the injection molding machine body.

The drawing of patterns subassembly includes rack, pivot, driven gear and bull stick, the pivot is rotated and is installed the terminal surface of movable mould board, driven gear fixes in the pivot, the upper end of rack is fixed the baffle lower surface, the rack with driven gear meshes, the bull stick rotates to be installed the hole inslot that the movable mould board was seted up, the one end setting of bull stick is in the concave hole, the lower extreme external surface fixation of bull stick has the external screw thread, the external screw thread sets up in the concave hole, the pivot with the bull stick transmission is connected.

In an embodiment of the present invention, a cooling cavity is formed in the fixed die plate, and the cooling cavity is disposed around the inner wall of the forming female die.

The utility model discloses an in one embodiment, the cooling chamber includes water conservancy diversion mouth and annular water conservancy diversion post, the water conservancy diversion mouth with annular water conservancy diversion post intercommunication, annular water conservancy diversion post is double helix structure.

The utility model discloses an in an embodiment, the through-hole has been seted up on the baffle, the mount runs through the through-hole, the stopper sets up directly over the baffle both sides, with surface contact on the baffle.

The utility model discloses an in one embodiment, elastic expansion piece includes sleeve, pressure spring and slide bar, the pressure spring sets up in the sleeve, the one end of slide bar is pegged graft in the sleeve.

In an embodiment of the present invention, the lower end of the pressure spring is fixed to the bottom of the sleeve, and the upper end of the pressure spring is connected to the lower end of the sliding rod.

In an embodiment of the present invention, the upper end of the sliding rod is fixedly connected to the lower surface of the baffle, and the sleeve is embedded in the upper surface of the movable mold plate.

The utility model discloses an in one embodiment, the lower surface of fixed die plate is provided with the guide pin bushing, the guide pin bushing is pegged graft and is fixed the corner of fixed die plate, the movable mould board upper surface is provided with the guide pillar, the guide pillar is pegged graft and is fixed the corner of movable mould board, the guide pillar is pegged graft and is in the guide pin bushing.

In an embodiment of the present invention, the upper portion of the movable mold plate is provided with a groove, and the rotating shaft is rotatably installed in the groove.

The utility model discloses an in the embodiment, be fixed with first bevel gear in the pivot, the upper end of bull stick is fixed with second bevel gear, first bevel gear with second bevel gear meshes.

The utility model has the advantages that: the utility model discloses a 3D prints injection mold for making souvenir who obtains through above-mentioned design, when using, form the screw hole with the external screw thread after being filled by injection molding liquid through the shrinkage pool that sets up, after the liquid cooling solidification of moulding plastics, carry out the product in the process that moving die plate removes and the fixed die plate separates, moving die plate continues to move up and makes the baffle contact with the stopper, and limit baffle rebound, make baffle compression elastic expansion spare, promote the rack to move down simultaneously, make the rack drive driven gear rotatory, drive the bull stick through the pivot rotation and rotate, push out the product of recess internal connection under the bull stick rotation, be convenient for unload, elastic expansion spare promotes the baffle to move up and resets after moving die plate moves down, so relapse, can carry out injection moulding and unloading in succession, reduce the possibility that the product blocks, make the product production cycle reduce, manufacturing cost reduces, the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a connection structure between a movable mold plate and an injection molding machine body according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a fixed mold plate according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a movable template provided in an embodiment of the present invention;

fig. 4 is a schematic structural view of an elastic expansion piece according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a point a in fig. 3 according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a location B in fig. 3 according to an embodiment of the present invention.

In the figure: 100-injection molding the component; 110-injection molding machine body; 130-a limiting block; 300-fixing the template component; 310-fixing a template; 320-forming a female die; 330-flow port; 350-injection hole; 370-a cooling chamber; 371-the water conservancy diversion mouth; 373-an annular flow guide column; 390-guide sleeve; 500-moving the template assembly; 510-moving the template; 520-forming male die; 521-concave holes; 530-a fixing frame; 550-a baffle plate; 570-elastic expansion piece; 571-a sleeve; 573-pressure spring; 575-sliding bar; 590-guide post; 700-a stripper assembly; 710-a rack; 730-a rotating shaft; 731-first bevel gear; 750-driven gear; 770-a rotating rod; 771-external screw thread; 772-second bevel gear.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the utility model provides a. Embodiments, all other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-6, the present invention provides a technical solution: A3D printing injection mold for making souvenirs comprises an injection molding assembly 100, a fixed template assembly 300, a movable template assembly 500 and a demolding assembly 700.

Referring to fig. 1, the injection molding assembly 100 includes an injection molding machine body 110 and two stoppers 130, the two stoppers 130 are fixedly connected to the injection molding machine body 110, and the stoppers 130 are mounted on two sides of the injection molding machine body 110 by bolts.

Referring to fig. 2, the fixed mold plate assembly 300 includes a fixed mold plate 310 and a molding cavity 320, the molding cavity 320 is disposed on the upper surface of the fixed mold plate 310, a runner port 330 is disposed on the lower surface of the fixed mold plate 310, an injection hole 350 is disposed at the bottom of the runner port 330, and the fixed mold plate 310 is mounted on the fixed plate of the injection molding machine body 110. Set up cooling chamber 370 in the fixed die plate 310, cooling chamber 370 sets up at the shaping die 320 inner wall periphery, cooling chamber 370 includes water conservancy diversion mouth 371 and annular guide pillar 373, water conservancy diversion mouth 371 and annular guide pillar 373 communicate, annular guide pillar 373 is double helix structure, through setting up cooling chamber 370, make the liquid cooling of moulding plastics better even in process of production, effectively reduce warpage, the fracture overlap, product defects such as bubble sand hole, the cooling time reduces greatly in the process of production, the quality and the qualification rate of improvement product.

Referring to fig. 3-4, the movable mold plate assembly 500 includes a movable mold plate 510 and a forming punch 520, the forming punch 520 is disposed on a lower surface of the movable mold plate 510, the forming punch 520 and the movable mold plate 510 are integrally formed, a concave hole 521 is disposed on a lower surface of the forming punch 520, a fixing frame 530 is disposed on an upper surface of the movable mold plate 510, the fixing frame 530 is fixedly connected to the movable mold plate 510 through a bolt, a baffle 550 is slidably connected to the fixing frame 530, an elastic expansion member 570 is disposed between the baffle 550 and the movable mold plate 510, and an upper end of the fixing frame 530 is mounted on a movable plate of the injection molding. The baffle 550 is provided with a through hole, the fixing frame 530 penetrates through the through hole, the limiting block 130 is arranged right above two sides of the baffle 550 and contacts with the upper surface of the baffle 550, the elastic expansion piece 570 comprises a sleeve 571, a pressure spring 573 and a sliding rod 575, the pressure spring 573 is arranged in the sleeve 571, one end of the sliding rod 575 is inserted in the sleeve 571, the lower end of the pressure spring 573 is fixed at the bottom of the sleeve 571 through a bolt, and the upper end of the pressure spring 573 is connected with the lower end of the sliding rod 575 through a bolt. The upper end of the sliding rod 575 is fixedly connected with the lower surface of the baffle 550 through a bolt, and the sleeve 571 is embedded on the upper surface of the movable template 510.

Referring to fig. 5-6, the demolding assembly 700 includes a rack 710, a rotating shaft 730, a driven gear 750, and a rotating rod 770, wherein the rotating shaft 730 is rotatably installed on an end surface of the movable mold plate 510, the driven gear 750 is fixed on the rotating shaft 730, an upper end of the rack 710 is fixed on a lower surface of the baffle 550, the rack 710 is engaged with the driven gear 750, the rotating rod 770 is rotatably installed in a hole groove formed in the movable mold plate 510, one end of the rotating rod 770 is disposed in the concave hole 521, an external thread 771 is welded and fixed on an outer surface of a lower end of the rotating rod 770, the external thread 771 is disposed in the concave hole 521, the rotating shaft 730 is in transmission connection with the rotating rod 770, a first bevel gear 731 is fixed on the rotating shaft 730, a second bevel gear 772 is fixed on an upper end of the rotating rod 770, and the first. The upper portion of the movable mould plate 510 is provided with a groove, the rotating shaft 730 is rotatably arranged in the groove, and two ends of the rotating shaft 730 are connected with the inside of the groove through bearings.

When specifically setting up, the lower surface of fixed die plate 310 is provided with guide pin bushing 390, and guide pin bushing 390 interference fit grafting is fixed in the corner of fixed die plate 310, and the upper surface of movable mould board 510 is provided with guide pillar 590, and guide pillar 590 grafting is fixed in the corner of movable mould board 510, and guide pillar 590 is pegged graft in guide pin bushing 390, and the chamfer has been seted up to guide pillar 590 tip, is convenient for to be inserted with guide pin bushing 390 and closes. Through the arrangement of the guide post 590 and the guide sleeve 390 for inserting and positioning, the clamping position of the movable die plate 510 and the fixed die plate 310 is accurate, and the possibility of deviation is reduced.

This a theory of operation for making 3D of souvenir prints injection mold: when the injection molding machine is used, the runner port 330 is arranged to perform injection molding on the inside of the molding female die 320, the injection molding liquid is filled in the concave hole 521 and forms a threaded hole with the external thread 771, after the injection molding liquid is cooled and solidified, a product is taken out in the process that the movable die plate 510 moves to be separated from the fixed die plate 310, the movable die plate 510 continuously moves upwards to enable the baffle 550 to be in contact with the limiting block 130 and limit the baffle 550 to move upwards, the baffle 550 compresses the elastic expansion piece 570, the rack 710 is pushed to move downwards simultaneously, the rack 710 drives the driven gear 750 to rotate, the rotating rod 770 is driven to rotate through the rotation of the rotating shaft 730, the product connected in the concave hole 521 is pushed out under the rotation of the rotating rod 770, the unloading is convenient, the elastic expansion piece 570 pushes the baffle 550 to move upwards to reset after the movable die plate 510 moves downwards, the operation is repeated, the injection, the production cost is reduced, and the production efficiency is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A3D prints injection mold for making souvenir, its characterized in that includes

The injection molding assembly (100) comprises an injection molding machine body (110) and two limiting blocks (130), wherein the two limiting blocks (130) are fixedly connected with the injection molding machine body (110);

the fixed die plate assembly (300) comprises a fixed die plate (310) and a molding female die (320), the molding female die (320) is arranged on the upper surface of the fixed die plate (310), a runner port (330) is arranged on the lower surface of the fixed die plate (310), an injection hole (350) is arranged at the bottom of the runner port (330), and the fixed die plate (310) is arranged on a fixed plate of the injection molding machine body (110);

the injection molding machine comprises a movable mold plate assembly (500), wherein the movable mold plate assembly (500) comprises a movable mold plate (510) and a molding male mold (520), the molding male mold (520) is arranged on the lower surface of the movable mold plate (510), a concave hole (521) is formed in the lower surface of the molding male mold (520), a fixing frame (530) is arranged on the upper surface of the movable mold plate (510), a baffle (550) is connected onto the fixing frame (530) in a sliding mode, an elastic telescopic part (570) is arranged between the baffle (550) and the movable mold plate (510), and the upper end of the fixing frame (530) is installed on a movable plate of the injection molding machine body (110;

drawing of patterns subassembly (700), drawing of patterns subassembly (700) includes rack (710), pivot (730), driven gear (750) and bull stick (770), pivot (730) rotate to be installed the terminal surface of movable mould board (510), driven gear (750) are fixed on pivot (730), the upper end of rack (710) is fixed baffle (550) lower surface, rack (710) with driven gear (750) meshing, bull stick (770) rotate to be installed in the hole inslot that movable mould board (510) were seted up, the one end setting of bull stick (770) is in shrinkage pool (521), the lower extreme external surface mounting of bull stick (770) has external screw thread (771), external screw thread (771) sets up in shrinkage pool (521), pivot (730) with bull stick (770) transmission is connected.

2. The 3D printing injection mold for making souvenir as claimed in claim 1, wherein a cooling cavity (370) is formed in the fixed mold plate (310), and the cooling cavity (370) is arranged at the periphery of the inner wall of the forming concave mold (320).

3. The 3D printing injection mold for making souvenir as claimed in claim 2, wherein the cooling cavity (370) comprises a flow guide opening (371) and an annular flow guide pillar (373), the flow guide opening (371) is communicated with the annular flow guide pillar (373), and the annular flow guide pillar (373) is of a double-spiral structure.

4. The 3D printing injection mold for making souvenir as claimed in claim 1, wherein a through hole is formed in the baffle (550), the fixing frame (530) penetrates through the through hole, and the limiting blocks (130) are arranged right above two sides of the baffle (550) and are in contact with the upper surface of the baffle (550).

5. The 3D printing injection mold for making souvenir as claimed in claim 1, wherein the elastic expansion piece (570) comprises a sleeve (571), a compression spring (573) and a sliding rod (575), the compression spring (573) is arranged in the sleeve (571), and one end of the sliding rod (575) is inserted into the sleeve (571).

6. The 3D printing injection mold for making souvenir as claimed in claim 5, wherein the lower end of the pressure spring (573) is fixed at the bottom of the sleeve (571), and the upper end of the pressure spring (573) is connected with the lower end of the sliding rod (575).

7. The 3D printing injection mold for making souvenir according to claim 6, wherein the upper end of the sliding rod (575) is fixedly connected with the lower surface of the baffle (550), and the sleeve (571) is embedded on the upper surface of the movable mold plate (510).

8. The 3D printing injection mold for making souvenir as claimed in claim 1, wherein a guide sleeve (390) is arranged on the lower surface of the fixed mold plate (310), the guide sleeve (390) is fixedly inserted into the corner of the fixed mold plate (310), a guide post (590) is arranged on the upper surface of the movable mold plate (510), the guide post (590) is fixedly inserted into the corner of the movable mold plate (510), and the guide post (590) is inserted into the guide sleeve (390).

9. The 3D printing injection mold for making souvenir as claimed in claim 1, wherein the upper portion of the movable mold plate (510) is provided with a groove, and the rotating shaft (730) is rotatably installed in the groove.

10. The 3D printing injection mold for making souvenir as claimed in claim 1, wherein a first bevel gear (731) is fixed on the rotating shaft (730), a second bevel gear (772) is fixed on the upper end of the rotating shaft (770), and the first bevel gear (731) is meshed with the second bevel gear (772).

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