CN216732752U

CN216732752U - Flexible glue mould

Info

Publication number: CN216732752U
Application number: CN202122822233.8U
Authority: CN
Inventors: 黄佰胜; 陈玉麟; 林可贵; 余志强
Original assignee: Heping Huayi Plastic Products Co ltd
Current assignee: Heping Huayi Plastic Products Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-06-14
Anticipated expiration: 2031-11-17

Abstract

The utility model provides a soft rubber mold which comprises a mold core jacking seat, an upper mold jacking seat, a first jacking assembly 5 and a second jacking assembly 6, wherein the mold core jacking seat is arranged on the upper mold jacking seat; the first side of the die core jacking seat is used for installing a die core, and the other opposite second side of the die core jacking seat is provided with a first inclined surface which inclines towards the first side; the upper die jacking seat is arranged on one side of the die core jacking seat, which is far away from the mounting part, and a second inclined surface is arranged on the side surface of the upper die jacking seat and is abutted against the first inclined surface; the first jacking assembly 5 is connected with the die core jacking seat and is used for jacking the die core; and the second jacking assembly 6 is connected with the upper die jacking seat and used for jacking the upper die. According to the utility model, a plurality of mold closing or demolding actions including upper mold jacking, mold core jacking and synchronous upper mold and mold core jacking can be completed by utilizing the first jacking assembly 5, the second jacking assembly 6, the first inclined surface and the second inclined surface, and secondary jacking can be completed, so that complex and various actions can be completed by a simple structure.

Description

Flexible glue mould

Technical Field

The utility model relates to the field of mold demolding mechanisms, in particular to a soft rubber mold.

Background

At present, most plastic products on the market are formed by injection molding, and compared with other production modes, the injection molding has lower cost and higher product size precision. The general injection molding process comprises plastic heating, mold closing, injection molding, pressure maintaining, cooling, mold opening and mold stripping. In the demolding process, the demolding operation is very important in the whole injection molding process, and the quality of a product is influenced, for example, the demolding operation is improper, so that the local pressure of the product is large, and the product is deformed. In the prior art, a plurality of demoulding actions are needed in a mould, so that a demoulding mechanism is complicated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, an object of the present invention is to provide a mold demolding mechanism, so as to solve the technical problem that the demolding mechanism is complicated in the injection mold in the prior art.

One of the purposes of the utility model is realized by adopting the following technical scheme:

a soft rubber mold comprises a male mold and a female mold;

the male die comprises a male die plate, a male die core, a lower fixing plate, a jacking plate, a first jacking assembly and a second jacking assembly, wherein the lower fixing plate is arranged below the male die plate, the jacking plate is positioned between the male die plate and the lower fixing plate, the first jacking assembly is arranged on the jacking plate, the first jacking assembly penetrates through the male die plate and extends with the female die, the second jacking assembly is arranged on the jacking plate, and the second jacking assembly penetrates through the jacking plate and partially extends into the male die core to jack up the flexible glue product;

and the female die is provided with a limit switch for limiting the upper end position of the first jacking assembly in the first jacking stage.

Optionally, the first jacking assembly comprises a jacking column, and the upper end of the jacking column is connected with the female die;

the limit switch comprises a switch main body and a limit block, the limit block is connected with the switch main body, and the switch main body can drive the limit block to move to the moving track of the jacking column and drive the limit block to return from the moving track of the jacking column.

Optionally, a containing groove is formed in the side wall of the female die;

the jacking columns are arranged on the edges of the jacking plates;

the first jacking assembly further comprises a guide block, the lower end of the guide block is connected with the edge of the male template, the upper end of the guide block extends into the accommodating groove, and a guide groove for guiding the jacking columns to ascend and descend is formed in the guide block.

Optionally, a mounting groove is formed in the inner wall of the accommodating groove, the limit switch is arranged in the mounting groove, and the limit block faces the accommodating groove.

Optionally, the guide groove is formed in the inner side surface of the guide block facing the male die, and an avoiding groove for avoiding the limiting block is formed in the inner side surface of the lower end of the guide block.

Optionally, a core assembly is arranged on the core insert, a thimble hole is arranged in the core assembly, and a concave position is arranged at the upper end of the core assembly;

the second jacking assembly comprises a thimble and a jacking block matched with the concave position in shape; the lower extreme of thimble with the jacking board is connected, the upper end of thimble passes the thimble hole and stretches into in the concave position, the jacking piece set up in the upper end of thimble and embedding in the concave position.

Optionally, the upper surface of the jacking block is planar.

Optionally, the female die comprises a female die plate and a female die core, the female die core is arranged on the female die plate, and a cavity is arranged on the female die core.

Optionally, the male die further comprises a core assembly, the core assembly comprises a core and a heat dissipation member, the core is internally provided with a heat dissipation hole, the heat dissipation member is arranged in the heat dissipation hole, and the heat dissipation member is internally provided with a thimble hole.

Optionally, be equipped with inlet channel and outlet channel in the radiating piece, inlet channel with outlet channel follows the direction of height spiral of radiating piece set up in the surface of radiating piece, inlet channel's upper end with outlet channel's upper end intercommunication, the lower extreme of radiating piece be equipped with the inlet opening of inlet channel intercommunication and with the apopore of outlet channel intercommunication.

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

the flexible glue mold has two jacking stages, in the first jacking stage, the limit switch is connected with the upper end of the first jacking assembly to limit the relative position of the first jacking assembly and the female mold, so that the female mold is integrally jacked under the condition that the first jacking assembly and the second jacking assembly are simultaneously jacked. At second jacking stage, limit switch stops to restrict the position of first jacking subassembly, promptly at second jacking stage, first jacking subassembly can not be blockked ground jacking, and the master model is not by the jacking, second jacking subassembly jacking flexible glue product. Thus, secondary jacking is formed. In first jacking stage, the master model is whole by the jacking, and the core withdraws from the die cavity, can partly withdraw from particularly, also can withdraw from completely, and the core breaks away from with the die cavity, and the air gets into the die cavity to reduce the off-the-shelf drawing of patterns degree of difficulty of flexible glue, avoid the flexible glue product to produce irreversible deformation or break.

Drawings

FIG. 1 is a schematic view of a soft gum mold according to an embodiment of the present invention;

FIG. 2 is an exploded view of the soft gum mold according to the embodiment of the present invention;

FIG. 3 is a sectional view of the soft gum product of the soft gum mold in a cured state according to the embodiment of the utility model;

fig. 4 is a schematic perspective view of the soft rubber mold after the first jacking stage according to the embodiment of the utility model;

FIG. 5 is a sectional view of the soft rubber mold after the first jacking stage in the embodiment of the utility model;

fig. 6 is a schematic perspective view of the soft rubber mold after the second jacking stage in the embodiment of the utility model;

fig. 7 is a sectional view of the soft rubber mold after the second jacking stage in the embodiment of the utility model.

In the figure:

1. a male template; 2. a core insert; 3. a lower fixing plate; 4. a jacking plate; 5. a first jacking assembly; 51. jacking the column; 52. a guide block; 521. a guide groove; 522. an avoidance groove; 6. a second jacking assembly; 61. a thimble; 62. jacking blocks; 7. a cavity insert; 71. a cavity; 72. a demoulding port; 8. a limit switch; 81. a switch main body; 82. a limiting block; 9. a master template; 91. a containing groove; 92. mounting grooves; 10. a core assembly; 101. a core; 102. a heat sink; 1022. a water inlet channel; 1023. a water outlet channel; 12. a soft gum product.

Detailed Description

The present invention is further described with reference to fig. 1 to 7 and the detailed description thereof, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.

As shown in fig. 1, 2 and 3, the utility model provides a soft rubber mold, which comprises a male mold and a female mold. The male die comprises a male die plate 1, a male die core 2, a lower fixed plate 3, a jacking plate 4, a first jacking assembly 5 and a second jacking assembly 6, the lower fixed plate 3 is arranged below the male die plate 1, the jacking plate 4 is arranged between the male die plate 1 and the lower fixed plate 3, the first jacking assembly 5 is arranged on the jacking plate 4, the first jacking assembly 5 penetrates through the male die plate 1 and extends with a female die, the second jacking assembly 6 is arranged on the jacking plate 4, the second jacking assembly 6 penetrates through the jacking plate 4 and partially extends into the male die core 2 to jack up a soft rubber product 12. The female die is provided with a limit switch 8 for limiting the upper end position of the first jacking assembly 5 in the first jacking stage.

The cavity 71 of the master mold has a mold release opening 72, and the mold release opening 72 is located at the top of the cavity 71 so that the soft gum product 12 can be released from the mold release opening 72. For the soft glue product 12, after injection molding, the soft glue product 12 seals the cavity 71, the soft glue product 12 is in close contact with the cavity 71 and the core 101, and direct ejection of the soft glue product 12 easily causes deformation and even breakage of the soft glue product 12.

In this embodiment, have two jacking stages, in first jacking stage, from the state shown in fig. 1, fig. 3 entering state shown in fig. 4, fig. 5 is first jacking stage promptly, and limit switch 8 is connected with the upper end of first jacking subassembly 5, restricts the relative position of first jacking subassembly 5 and female mould, so, under the jacking simultaneously of first jacking subassembly 5 and second jacking subassembly 6, the female mould is by whole jacking. At second jacking stage, limit switch 8 stops to restrict the position of first jacking subassembly 5, promptly at second jacking stage, first jacking subassembly 5 can not be blockked ground jacking, the master model is not by the jacking, 6 jacking flexible glue products 12 of second jacking subassembly. In this way, the secondary jacking is performed, namely, the state shown in fig. 4 and 5 is changed into the state shown in fig. 6 and 7. In first jacking stage, the female die is whole by the jacking, and core 101 withdraws from die cavity 71, can partly withdraw from particularly, also can withdraw from totally, and core 101 breaks away from with die cavity 71, and the air gets into in the die cavity 71 to reduce the off-the-shelf drawing of patterns degree of difficulty of flexible glue, avoid flexible glue product 12 to produce irreversible deformation or break.

In addition, in the present embodiment, a mold plate (not shown) for closing the mold release opening 72 is further provided, and the mold plate is moved to expose the mold release opening 72 before the second lift-up stage.

In some embodiments, the female mold comprises a female mold plate 9 and a female mold core 7, wherein the female mold core 7 is disposed on the female mold plate 9, specifically, a mold cavity 71 is disposed on the female mold core 7, and the flexible glue product 12 is formed by the cooperation of the mold cavity 71 and a mold core 101.

In some embodiments, as shown in fig. 1 and 2, the first jacking assembly 5 comprises a jacking column 51, and the upper end of the jacking column 51 is connected with the female mold, specifically, the jacking column 51 is connected with the female mold plate 9. The limit switch 8 includes a switch main body 81 and a limit block 82, the limit block 82 is connected with the switch main body 81, and the switch main body 81 can drive the limit block 82 to move to the moving track of the jacking column 51 and drive the limit block 82 to retreat from the moving track of the jacking column 51. In the first jacking stage, the switch body 81 drives the limit block 82 to move to the lifting track of the jacking column 51, so that the jacking column 51 abuts against the limit block 82, and the female die is jacked integrally. In the second jacking stage, the switch main body 81 drives the limit block 82 to return to leave the moving track of the jacking column 51, so that the female die does not rise along with the jacking column 51 and the jacking plate 4, the jacking process enters the second jacking stage, and jacking of different parts (specifically the soft rubber product 12) is realized.

For the limit switch 8, specifically, the limit switch may be an electromagnetic switch or a pneumatic switch, and the switch main body 81 drives the limit block 82 to move and stretch, so that the limit block 82 moves to the lifting track of the lifting column 51, or retracts from the lifting track of the lifting column 51.

In some further embodiments, as shown in fig. 1 and fig. 2, the receiving groove 91 is formed on the sidewall of the female mold, specifically, the receiving groove 91 is formed on the sidewall of the female mold plate 9, so as to provide a space for lifting the lifting column 51. The receiving groove 91 is located on the sidewall of the female mold, correspondingly, the jacking column 51 is arranged on the edge of the jacking plate 4, and the upper end of the jacking column 51 extends into the receiving groove 91.

The first jacking assembly 5 further comprises a guide block 52, the lower end of the guide block 52 is connected with the edge of the male template 1, the upper end of the guide block 52 extends into the guide groove 521, and the guide groove 521 for guiding the jacking column 51 to ascend and descend is arranged in the guide block 52. Because the jacking post 51 jacks the female die, the jacking post 51 bears a large load, so the guide block 52 is additionally arranged in the embodiment to guide the jacking post 51 to lift, the bending, deformation and shaking of the jacking post 51 are reduced or avoided, and the demolding stability of the female die is improved.

In some embodiments, as shown in fig. 1 and fig. 2, an installation groove 92 is formed on an inner wall of the accommodation groove 91, the limit switch 8 is disposed in the installation groove 92, and the limit block 82 faces the accommodation groove 91. Through set up mounting groove 92 on the inner wall of storage tank 91 in this embodiment, be convenient for limit switch 8's installation, the neighbouring storage tank 91 of mounting groove 92 simultaneously, stopper 82 among the limit switch 8 can stretch into the removal orbit of jacking post 51 more easily.

Specifically, the mounting groove 92 is formed on the outward inner wall of the receiving groove 91.

In some embodiments, as shown in fig. 1 and fig. 2, a guide groove 521 is formed on an inner side surface of the guide block 52 facing the male mold, and an avoidance groove 522 for avoiding the limit block 82 is formed on an inner side surface of a lower end of the guide block 52. Public template 1 is connected to the lower extreme of guide block 52, and in the upper end of guide block 52 stretched into storage tank 91, guide way 521 was located the medial surface of guide block 52, and in first jacking stage, stopper 82 moved to jacking post 51 in the removal orbit, stopper 82 can stretch into in the guide way 521 promptly to make jacking post 51 can push up stopper 82. In order to be convenient for stopper 82 to stretch into guide way 521, and be convenient for in first jacking stage stopper 82 can continuously stretch into guide way 521, consequently, be equipped with in the medial surface of guide block 52 and dodge groove 522, reduced the size of guide block 52 part position, for stopper 82's lift provides the space, make stopper 82 and guide way 521 form alternately in the space, can stretch into and produce with guide way 521 and can. Since the female die has a limited distance to be lifted in this embodiment, an avoiding groove 522 for avoiding the stopper 82 is provided on the inner surface of the lower end of the guide block 52.

In some embodiments, the core insert 2 is provided with a core assembly 10, the core assembly 10 is provided with a thimble hole therein, and the upper end of the core assembly 10 is provided with a concave position. The second jacking assembly 6 comprises a thimble 61 and a jacking block 62 matched with the concave position in shape. The lower end of the thimble 61 is connected with the jacking plate 4, the upper end of the thimble 61 penetrates through the thimble hole and extends into the concave position, and the jacking block 62 is arranged at the upper end of the thimble 61 and is embedded into the concave position. Under the condition that the ejector pin 61 is not jacked, the jacking block 62 is also used as a forming structure of the soft rubber product 12, and in the second jacking stage, the ejector pin 61 jacks up the jacking block 62, and the jacking block 62 jacks up the soft rubber product 12.

In some embodiments, the upper surface of the jacking block 62 is planar, so that the jacking block 62 jacks the plastic product with the plane, the jacking area is larger, the jacking pressure received by the soft glue product 12 is small, and the deformation of the soft glue product 12 can be effectively avoided.

In some embodiments, as shown in FIG. 3, core assembly 10 includes a core 101 and a heat sink 102, the core 101 having heat dissipation holes therein, the heat sink 102 having the aforementioned pin holes therein, the pin holes in the heat sink 102 extending vertically therethrough. Therefore, mutual interference between the heat dissipation piece 102 and the thimble 61 can be avoided, the space in the heat dissipation piece 102 is fully utilized, the space utilization rate is extremely high, and more importantly, the intravenous pot mold core assembly has good heat dissipation performance and demolding performance.

Specifically, as shown in fig. 3, 5, and 7, a water inlet passage 1022 and a water outlet passage 1023 are arranged in the heat dissipating member 102, the water inlet passage 1022 and the water outlet passage 1023 are spirally arranged on the surface of the heat dissipating member 102 along the height direction of the heat dissipating member 102, the upper end of the water inlet passage 1022 is communicated with the upper end of the water outlet passage 1023, the lower end of the heat dissipating member 102 is provided with a water inlet hole communicated with the water inlet passage 1022 and a water outlet hole communicated with the water outlet passage 1023, and specifically, the water inlet hole and the water outlet hole are arranged at the lower end of the heat dissipating member 102. The cooling water enters the water inlet passage 1022 from the water inlet hole to spirally move upward along the heat sink 102, and when the cooling water moves to the upper end of the heat sink 102, the cooling water enters the water outlet passage 1023 to spirally move downward along the heat sink 102 and finally flows out from the water outlet hole, thereby completing cooling. In the embodiment, the heat dissipation member 102 absorbs the heat of the core 101, so that the cooling and solidification of the soft rubber product 12 are accelerated, and the production efficiency is improved.

In some further embodiments, the water inlet passage 1022 and the water outlet passage 1023 are spiral grooves disposed on the surface of the heat dissipation member 102, so as to form an opening facing the inner wall of the heat dissipation hole, the surface of the heat dissipation member 102 is in sealing contact with the inner wall of the heat dissipation hole, and the inner wall of the heat dissipation hole and the spiral grooves surround to form the two aforementioned sealed passages, so that the cooling water in the water inlet passage 1022 and the water outlet passage 1023 can directly contact the mold core 101, and the cooling efficiency is higher.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A soft rubber mold is characterized in that the soft rubber mold comprises a male mold and a female mold;

2. The soft gum mold of claim 1, wherein the first jacking assembly comprises a jacking column, the upper end of which is connected with the female mold;

3. The soft rubber mold of claim 2, wherein the side wall of the female mold is provided with a containing groove;

the jacking columns are arranged on the edges of the jacking plates;

4. The soft gum mold according to claim 3, wherein an installation groove is provided on an inner wall of the accommodation groove, the limit switch is disposed in the installation groove, and the limit block faces the accommodation groove.

5. The soft rubber mold according to claim 4, wherein the guide groove is formed in the inner side surface of the guide block facing the male mold, and an avoiding groove for avoiding the limiting block is formed in the inner side surface of the lower end of the guide block.

6. The soft rubber mold of claim 1, wherein the core insert is provided with a core assembly, the core assembly is internally provided with a thimble hole, and the upper end of the core assembly is provided with a concave position;

7. The soft gum mold of claim 6, wherein the upper surface of the jacking block is planar.

8. The soft rubber mold of claim 2, wherein the female mold comprises a female mold plate and a female mold insert, the female mold insert is arranged on the female mold plate, and the female mold insert is provided with a mold cavity.

9. The soft gum mold of claim 1, wherein the male mold further comprises a core assembly, the core assembly comprises a core and a heat sink, the core is provided with heat dissipation holes therein, the heat sink is disposed in the heat dissipation holes, and the heat sink is provided with thimble holes therein.

10. The soft gum mold of claim 9, wherein the heat dissipation member is internally provided with a water inlet channel and a water outlet channel, the water inlet channel and the water outlet channel are spirally arranged on the surface of the heat dissipation member along the height direction of the heat dissipation member, the upper end of the water inlet channel is communicated with the upper end of the water outlet channel, and the lower end of the heat dissipation member is provided with a water inlet communicated with the water inlet channel and a water outlet communicated with the water outlet channel.