CN217196457U - Ejection and reset structure of three-plate type cold runner horizontal die - Google Patents

Abstract

The utility model relates to the technical field of horizontal dies, in particular to an ejection resetting structure of a three-plate cold runner horizontal die, which comprises an upper die and a lower die, wherein the center of the top of the upper die is provided with a sprue used for injecting materials, the lower die comprises a fixed plate, the tops of two sides of the fixed plate are both provided with a die leg, the top of the die leg is provided with a movable die plate, the center of the top of the movable die plate is provided with a movable die core, the center of the fixed plate is provided with an upper ejector plate and a lower ejector plate, and the top of the lower ejector plate is provided with a top-drawing assembly and a blanking assembly; the utility model discloses a down the thimble board drives the base and promotes the ejector pin and remove along the guide block, make down the thimble board along the single linear motion of mould axis direction change the ejector pin along mould axis direction and with this direction vertically transverse motion, the transverse motion at ejector pin top has then accomplished the side direction and has loosed the core, has removed the buckle restriction to the work piece to the computer case apron of being convenient for carries the buckle drawing of patterns.

Description

Ejection resetting structure of three-plate type cold runner horizontal die

Technical Field

The utility model relates to a horizontal mould technical field, concretely relates to ejecting reset structure of three board-like cold runner horizontal moulds.

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, with 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. Because the products that the mould produced are different, its inner structure also is different completely, for example the bottom design of computer case apron has the buckle to it is not suitable to lead to the ejecting structure that current mould was used for the unloading, for the structure like buckle in computer apron bottom, we provide the ejecting reset structure of three-plate cold runner horizontal mould.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a three board-like cold runner horizontal mould's ejecting reset structure.

The utility model discloses an ejecting reset structure of three-plate cold runner horizontal mould, including last mould and bed die, the top central authorities of going up the mould are equipped with the purt that is used for annotating the material and chew, the bed die is including the fixed plate, the moulding foot is all installed at the both sides top of fixed plate, movable mould board is installed at the top of moulding foot, movable mould core is installed to the top central authorities of movable mould board, the central authorities of fixed plate are equipped with thimble board and lower thimble board, top subassembly and unloading subassembly are taken out to the top of thimble board is installed down.

According to the technical scheme, the base is driven by the lower ejector plate to push the ejector rod to move along the guide block, so that the single linear motion of the lower ejector plate along the axis direction of the mold is converted into the transverse motion of the ejector rod along the axis direction of the mold and perpendicular to the axis direction of the mold, the transverse motion at the top of the ejector rod completes the lateral core pulling, the buckle limitation on a workpiece is removed, and the computer case cover plate is convenient to carry, buckle and demolding.

As a further improvement, the mounting hole has all been seted up at the top of movable mould board and movable mould benevolence, the bottom of movable mould board has been seted up and has been agreed with the hole and agree with the below that the hole is located the mounting hole.

Through the design of the technical scheme, the effect of facilitating the movement of the top drawing assembly is achieved.

As a further improvement, the mounting groove has been seted up to one side central authorities at movable mould board top, the spacing groove has been seted up to the inner wall of mounting groove, first butt joint hole and second butt joint hole have been seted up to the inner wall bottom of mounting groove, the movable hole has all been seted up in the four corners at movable mould board top.

Through the design of the technical scheme, the guide post has the function of facilitating the movement of the guide post.

As a further improvement of the utility model, it looses core and pushes up to one side to take out the subassembly, loose core including oblique guide pillar, shovel machine, slider, spacing screw, ripples screw and two briquettings, guide pillar and shovel machine all with the bottom fixed connection of last mould to one side, the top at the movable mould board is all installed to spacing screw, ripples screw and briquetting.

As a further improvement, the inside at first butt joint hole and second mounting hole is installed respectively to spacing screw and ripples screw, the slider is located the inside of mounting groove, the constant head tank has been seted up, two to the both sides of slider the briquetting passes through the screw installation and laminates mutually at the inner wall of spacing groove and the inboard bottom of briquetting and the constant head tank of slider.

Through the design of the technical scheme, the effect of limiting the sliding block is achieved.

As a further improvement, the lifter is still including guide block, ejector pin and base, the bottom of ejector pin and the central fixed connection of base, the central authorities of ejector pin are established to the guide block movable sleeve, the screw is passed through at the top of guide block and is installed in the agreeing with hole of movable mould board, bolt and lower thimble board fixed connection are passed through to the bottom of base, the top of ejector pin runs through behind movable mould benevolence, the movable mould board and slider joint through the mounting hole.

As a further improvement, the locating hole has all been seted up at the top of shovel machine and slider, the guide pillar is pegged graft inside the locating hole of shovel machine and slider to one side.

As a further improvement, go up the guide post of the equal fixedly connected with in top four corners of thimble board and activity pore looks adaptation, the surface cover of guide post is equipped with reset spring, reset spring's top and the bottom of movable mould board are laminated mutually, the through-hole that is used for ejector pin and catch bar to run through is all offered at the top of going up the thimble board.

As a further improvement, the unloading subassembly is including installing catch bar, thimble bar and the ejector pin bottom under, the equal activity in top of catch bar and thimble bar runs through thimble board, last thimble board and movable mould board down, the top fixedly connected with of catch bar promotes the piece, the movable groove that is used for promoting the piece activity is offered at the top of movable mould benevolence, the ejecting piece of top fixedly connected with of ejector pin.

Through the technical scheme design, the workpiece in the movable die core is further ejected.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a down the thimble board drives the base and promotes the ejector pin and remove along the guide block, make down the thimble board along the single linear motion of mould axis direction change the ejector pin along mould axis direction and with this direction vertically transverse motion, the transverse motion at ejector pin top has then accomplished the side direction and has loosed the core, has removed the buckle restriction to the work piece to the computer case apron of being convenient for carries the buckle drawing of patterns.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a schematic perspective view of the lower mold;

FIG. 3 is a perspective view of the drawing assembly;

FIG. 4 is an assembled schematic view of the drawer top assembly;

FIG. 5 is a schematic perspective view of a movable mold plate;

FIG. 6 is a schematic top view of the movable mold core;

FIG. 7 is a perspective view of a fixing plate for mounting a guide post;

FIG. 8 is a schematic sectional view of the present invention;

fig. 9 is a perspective view of the fixing plate with the thimble rod mounted thereon.

In the figure: 1. an upper die; 2. a sprue bushing; 3. a lower die; 31. a fixing plate; 32. a mould leg; 33. moving the template; 331. mounting grooves; 332. a limiting groove; 333. a first mating hole; 334. a second docking aperture; 335. A movable hole; 34. a lower ejector plate; 35. an upper ejector plate; 36. a movable mould core; 37. mounting holes; 4. a topping assembly; 41. a base; 42. a top rod; 43. a guide block; 44. a slider; 45. shoveling; 46. an inclined guide post; 47. pressing into blocks; 48. a wave screw; 49. a limiting screw; 410. positioning a groove; 5. a guide post; 51. a return spring; 6. a push rod; 61. a pushing block; 7. a thimble rod; 8. ejecting the rod; 9. and (6) ejecting the block.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, 2 and 9, the ejecting reset structure of the three-plate cold runner horizontal mold of the present invention comprises an upper mold 1 and a lower mold 3, the top center of the upper mold 1 is provided with a sprue 2 for injecting material, the lower mold 3 comprises a fixed plate 31, mold legs 32 are mounted on the top of both sides of the fixed plate 31, a movable mold plate 33 is mounted on the top of the mold legs 32, a movable mold core 36 is mounted on the top center of the movable mold plate 33, an upper ejector plate 35 and a lower ejector plate 34 are mounted in the center of the fixed plate 31, an ejecting assembly 4 and a blanking assembly are mounted on the top of the lower ejector plate 34, the lower ejector plate 34 drives a base 41 to push an ejector rod 42 to move along a guide block 43, so that the single linear motion of the lower ejector plate 34 along the mold axis direction is converted into a transverse motion of the ejector rod 42 along the mold axis direction and perpendicular to the direction, the transverse motion of the top of the ejector rod 42 completes the lateral core pulling, the buckle limit to the workpiece is removed, so that the computer case cover plate is convenient to carry the buckle for demoulding.

Referring to fig. 5 and 6, the top of the movable die plate 33 and the movable die core 36 are provided with mounting holes 37, the bottom of the movable die plate 33 is provided with engaging holes, and the engaging holes are located below the mounting holes 37, so as to facilitate the movement of the top pulling assembly 4, the center of one side of the top of the movable die plate 33 is provided with a mounting groove 331, the inner wall of the mounting groove 331 is provided with a limiting groove 332, the bottom of the inner wall of the mounting groove 331 is provided with a first engaging hole 333 and a second engaging hole 334, four corners of the top of the movable die plate 33 are provided with movable holes 335, so as to facilitate the movement of the guide post 5.

Referring to fig. 3, 4 and 9, the knockout punch assembly 4 includes a knockout punch and a lifter punch, the knockout punch includes a lifter post 46, a shovel 45, a slider 44, a limit screw 49, a wave screw 48 and two press blocks 47, the lifter post 46 and the shovel 45 are fixedly connected with the bottom of the upper die 1, and the limit screw 49, the wave screw 48 and the press blocks 47 are all installed on the top of the movable die plate 33.

Referring to fig. 3, 4 and 5, a limit screw 49 and a wave screw 48 are respectively installed inside the first connecting hole 333 and the second connecting hole 37, the slider 44 is located inside the mounting groove 331, positioning grooves 410 are formed on both sides of the slider 44, two pressing blocks 47 are installed on the inner wall of the limit groove 332 through screws, the bottoms of the inner sides of the pressing blocks 47 are attached to the positioning grooves 410 of the slider 44, so as to limit the slider 44, the lifter further comprises a guide block 43, a top rod 42 and a base 41, the bottom of the top rod 42 is fixedly connected with the center of the base 41, the guide block 43 is movably sleeved at the center of the top rod 42, the top of the guide block 43 is installed in a fit hole of the movable die plate 33 through screws, the bottom of the base 41 is fixedly connected with the lower ejector plate 34 through bolts, the top of the top rod 42 is in snap-fit with the slider 44 after penetrating through the movable die core 36 and the movable die plate 33 through the mounting holes 37, positioning holes are formed in the tops of the shovel machine 45 and the sliding block 44, and the inclined guide column 46 is inserted into the positioning holes of the shovel machine 45 and the sliding block 44.

Referring to fig. 7, four corners of the top of the upper ejector plate 35 are fixedly connected with guide posts 5 adapted to the movable holes 335, a return spring 51 is sleeved on the surface of each guide post 5, the top of each return spring 51 is attached to the bottom of the movable mold plate 33, and through holes for the ejector rods 42 and the push rods 6 to penetrate through are formed in the top of the upper ejector plate 35.

Referring to fig. 8 and 9, the blanking assembly includes a push rod 6, an ejector rod 7 and an ejector rod 8, which are mounted at the bottom of the lower ejector plate 34, the tops of the push rod 6 and the ejector rod 7 both movably penetrate through the lower ejector plate 34, the upper ejector plate 35 and the movable die plate 33, the top of the push rod 6 is fixedly connected with a push block 61, the top of the movable die core 36 is provided with a movable groove for the movement of the push block 61, and the top of the ejector rod 8 is fixedly connected with an ejector block 9, so as to further eject a workpiece located in the movable die core 36.

When the utility model is used, under the action of the mold opening force of the injection molding machine, the slide block 44 moves backwards under the action of the inclined guide pillar 46 and the wave screw 48, and the slide block 44 moving backwards can complete the core pulling under the limitation of the limit screw 49; then the ejector rod of the injection molding machine pushes the upper ejector plate 35 and the lower ejector plate 34 to move upwards, the ejector rod 7 on the upper ejector plate 35 and the lower ejector plate 34 starts to move upwards, the base 41 fixed on the lower ejector plate 34 pushes the ejector rod 42, the ejector rod 8 pushes the ejector block and enables the ejector block to simultaneously start to move upwards, and the reset spring 51 on the guide post 5 is compressed upwards under the action of the ejector force; at the same time, the plastic part begins to separate from the movable mold core 36 under the ejection force of the ejector rod 8, the ejector block and the ejector rod 42.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (9)

1. The utility model provides a three board-like cold runner horizontal mould's ejecting structure that resets, includes mould (1) and bed die (3), its characterized in that:

the center of the top of the upper die (1) is provided with a sprue (2) for injecting materials;

the lower die (3) comprises a fixing plate (31), the two sides of the fixing plate (31) are provided with die feet (32), a movable die plate (33) is installed at the top of the die feet (32), a movable die core (36) is installed at the center of the top of the movable die plate (33), an upper ejector plate (35) and a lower ejector plate (34) are arranged at the center of the fixing plate (31), and an ejector assembly (4) and a blanking assembly are installed at the top of the lower ejector plate (34).

2. The ejection resetting structure of the three-plate type cold runner horizontal die as claimed in claim 1, wherein: the top of the movable mould plate (33) and the top of the movable mould core (36) are both provided with mounting holes (37), the bottom of the movable mould plate (33) is provided with matching holes, and the matching holes are located below the mounting holes (37).

3. The ejection resetting structure of the three-plate type cold runner horizontal die as claimed in claim 1, wherein: the movable mould plate is characterized in that a mounting groove (331) is formed in the center of one side of the top of the movable mould plate (33), a limiting groove (332) is formed in the inner wall of the mounting groove (331), a first butt joint hole (333) and a second butt joint hole (334) are formed in the bottom of the inner wall of the mounting groove (331), and movable holes (335) are formed in four corners of the top of the movable mould plate (33).

4. The ejection resetting structure of the three-plate cold runner horizontal die as claimed in claim 1, wherein: the drawing and jacking assembly (4) comprises a drawing core and an inclined jacking, the drawing core comprises an inclined guide post (46), a shovel machine (45), a sliding block (44), a limiting screw (49), a wave screw (48) and two pressing blocks (47), the inclined guide post (46) and the shovel machine (45) are fixedly connected with the bottom of the upper die (1), and the limiting screw (49), the wave screw (48) and the pressing blocks (47) are all installed at the top of the movable die plate (33).

5. The ejection resetting structure of the three-plate type cold runner horizontal die as claimed in claim 4, wherein: spacing screw (49) and ripples screw (48) are installed respectively in the inside of first butt joint hole (333) and second mounting hole (37), slider (44) are located the inside of mounting groove (331), constant head tank (410) have been seted up to the both sides of slider (44), two briquetting (47) are laminated mutually through screw installation in the inner wall of spacing groove (332) and the inboard bottom of briquetting (47) and constant head tank (410) of slider (44).

6. The ejection resetting structure of the three-plate type cold runner horizontal die as claimed in claim 4, wherein: the pitched roof is further provided with a guide block (43), an ejector rod (42) and a base (41), the bottom of the ejector rod (42) is fixedly connected with the center of the base (41), the guide block (43) is movably sleeved at the center of the ejector rod (42), the top of the guide block (43) is installed in a fit hole of a movable template (33) through a screw, the bottom of the base (41) is fixedly connected with a lower ejector plate (34) through a bolt, and the top of the ejector rod (42) is connected with a sliding block (44) in a clamping mode after penetrating through a movable mold core (36) and the movable template (33) through a mounting hole (37).

7. The ejection resetting structure of the three-plate type cold runner horizontal die as claimed in claim 4, wherein: positioning holes are formed in the tops of the shovel machine (45) and the sliding block (44), and the inclined guide column (46) is inserted into the positioning holes of the shovel machine (45) and the sliding block (44).

8. The ejection resetting structure of the three-plate type cold runner horizontal die as claimed in claim 1, wherein: go up guide post (5) of the equal fixedly connected with in top four corners of thimble board (35) and activity hole (335) looks adaptation, the surface cover of guide post (5) is equipped with reset spring (51), the top of reset spring (51) is laminated with the bottom of movable mould board (33), the through-hole that is used for ejector pin (42) and catch bar (6) to run through is all offered at the top of going up thimble board (35).

9. The ejection resetting structure of the three-plate type cold runner horizontal die as claimed in claim 1, wherein: the blanking assembly comprises a push rod (6), an ejector pin rod (7) and an ejector rod (8), wherein the push rod (6), the ejector pin rod (7) and the ejector rod (8) are installed at the bottom of a lower ejector pin plate (34), the top of the push rod (6) and the top of the ejector pin rod (7) are all movably penetrated through the lower ejector pin plate (34), an upper ejector pin plate (35) and a movable template (33), a push block (61) is fixedly connected to the top of the push rod (6), a movable groove used for the movement of the push block (61) is formed in the top of a movable mold core (36), and an ejector block (9) is fixedly connected to the top of the ejector rod (8).

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