CN223973992U

CN223973992U - A type of injection mold for anti-deformation glass products

Info

Publication number: CN223973992U
Application number: CN202520639023.0U
Authority: CN
Inventors: 张洪强; 郭涛; 曹保衡; 常星卫
Original assignee: Shandong Lianxing New Material Technology Co ltd
Current assignee: Shandong Lianxing New Material Technology Co ltd
Priority date: 2025-04-07
Filing date: 2025-04-07
Publication date: 2026-03-06
Anticipated expiration: 2035-04-07

Abstract

The utility model discloses an anti-deformation glass product injection mold, which belongs to the technical field of injection molds and has the technical scheme that the anti-deformation glass product injection mold comprises a base, wherein the top of the base is fixedly connected with a mounting frame, the top of the mounting frame is fixedly connected with an operation table, an injection upper mold is arranged in the operation table, an injection lower mold is bolted to the bottom of the inner wall of the operation table, a demolding assembly is arranged in the injection lower mold, the demolding assembly comprises a thimble, an air suction assembly is arranged at the bottom of the thimble, the air suction assembly can effectively extract air and tiny fragments in a cavity of the injection lower mold, so that the air quantity of air bubbles formed by wrapping is greatly reduced when plastic melt is filled, the appearance quality of a glass product is remarkably improved, the glass product can be efficiently ejected from the injection lower mold by arranging the demolding assembly, the demolding speed is greatly improved, and meanwhile, the demolding assembly can be matched with the air suction assembly for use, and the use effect is further improved.

Description

Anti-deformation glassware injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to an anti-deformation glass product injection mold.

Background

In modern manufacturing industry, glass products are widely applied to various fields of building, electronics, medical treatment, home furnishing and the like due to unique optical performance, chemical stability and aesthetic property, and along with the continuous increase of demands of the market on the glass products and the increasing of requirements on product quality, the injection molding process of the glass products becomes more and more critical.

In the injection molding process of the existing glass product, air is extruded to hidden corners by the rapid filling of the plastic melt, so that the air is accumulated in the lower mold cavity, and meanwhile, in the demolding process, some tiny fragments possibly fall off from the glass product, a plurality of microscopic irregularities and gaps exist on the surfaces of the fragments, gathering places are provided for gas molecules, so that gas originally dissolved in the plastic melt is easy to gather on the surfaces of the fragments to form bubble nuclei, visible bubbles are further developed, and if the air in the mold cavity cannot be timely discharged, the air is wrapped inside the glass product to form bubbles, so that the strength and the appearance quality of the glass product are reduced.

For this purpose, an injection mold for deformation-proof glass products is proposed.

Disclosure of utility model

The utility model aims to provide a deformation-preventing glass product injection mold, which can solve the problems that air is extruded to hidden corners by rapid filling of plastic melt in the injection molding process of glass products, so that the air is accumulated in a lower mold cavity, and meanwhile, in the demolding process, some tiny fragments possibly fall off from the glass products, a plurality of microscopic concave-convex and gaps exist on the surfaces of the fragments, so that gathering places are provided for gas molecules, gas originally dissolved in the plastic melt is easy to gather on the surfaces of the fragments to form bubble nuclei, visible bubbles are further developed, and if the air in the mold cavity cannot be timely discharged, the air is wrapped in the glass products to form bubbles, so that the strength and the appearance quality of the glass products are reduced.

In order to achieve the purpose, the utility model provides the technical scheme that the anti-deformation glass product injection mold comprises a base, wherein the top of the base is fixedly connected with a mounting frame, the top of the mounting frame is fixedly connected with an operation table, an injection upper mold is arranged in the operation table, an injection lower mold is bolted to the bottom of the inner wall of the operation table, a demolding assembly is arranged in the injection lower mold, the demolding assembly comprises a thimble, and an air suction assembly is arranged at the bottom of the thimble;

The suction assembly comprises a cavity block, a corrugated pipe is fixedly communicated with the rear side of the cavity block, the other end of the corrugated pipe penetrates through the mounting frame and is fixedly communicated with a collecting box, a vacuum pump is fixedly communicated with the bottom of the collecting box, and the vacuum pump and the collecting box are fixedly connected to the rear side of the mounting frame.

Preferably, through holes are formed in the injection lower die and the operation table, and the ejector pins are matched with the through holes.

Preferably, the ejector pins are fixedly connected to the top of the cavity block, the number of the ejector pins is set to be a plurality of and evenly distributed, and the surfaces of the ejector pins are provided with air suction holes.

Preferably, the top of base has seted up the recess, the inside rotation of recess is connected with two-way lead screw, the equal threaded connection in both sides on two-way lead screw surface has the movable block, and the movable block uses with the recess cooperation.

Preferably, the top fixedly connected with linkage piece of movable block, the front side and the rear side of linkage piece all rotate and are connected with the ejector pin, the bottom fixedly connected with lifter plate of cavity piece, one side that the ejector pin is close to the lifter plate rotates with the lifter plate and is connected.

Preferably, the inside sliding connection of collecting box has the removal box, and removes the bottom fixedly connected with filter screen of box inner wall.

Preferably, a connecting plate is fixedly connected to the outer side of the movable box, and the connecting plate is bolted with the collecting box.

Preferably, the front side of installing frame is provided with the PLC controller, the right side fixedly connected with servo motor of two-way lead screw, servo motor and vacuum pump all with PLC controller electric connection.

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

1. According to the application, the air suction assembly is arranged, so that the air and tiny fragments in the cavity of the injection lower die can be effectively extracted by the air suction assembly, and the air quantity of air bubbles formed by wrapping is greatly reduced when the plastic melt is filled, thereby remarkably improving the appearance quality of glass products;

2. According to the application, by arranging the demolding assembly, the glass product can be efficiently ejected from the injection lower die, so that the demolding speed is greatly improved, meanwhile, the demolding assembly can be matched with the air suction assembly for use, and the residual air and tiny fragments in the injection lower die cavity can be extracted while the glass product is ejected, so that the possibility of generating bubbles is further reduced.

Drawings

FIG. 1 is an overall block diagram of an injection mold for deformation-resistant glassware in accordance with the present utility model;

FIG. 2 is a right side cross-sectional view of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the structure of the suction assembly of the present utility model;

FIG. 4 is a schematic view of the construction of the stripper assembly of the present utility model;

Fig. 5 is a schematic diagram of the connection of the collecting box and the moving box of the present utility model.

In the figure, 1, a base, 2, a mounting frame, 3, an operating table, 4, an injection upper die, 5, an injection lower die, 6, a demoulding assembly, 601, a thimble, 602, a bidirectional screw rod, 603, a moving block, 604, a linkage block, 605, a mandril, 606, a lifting plate, 7, an air suction assembly, 701, a cavity block, 702, a corrugated pipe, 703, a collecting box, 704, a vacuum pump, 8, an air suction hole, 9, a groove, 10, a moving box, 11, a filter screen, 12, a connecting plate, 13, a PLC controller, 14 and a servo motor.

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. 1-5, the present utility model provides the following technical solutions:

The utility model provides an anti-deformation glassware injection mold, includes base 1, the top fixedly connected with installing frame 2 of base 1, the top fixedly connected with operation panel 3 of installing frame 2, the inside of operation panel 3 is provided with the upper mould 4 of moulding plastics, the bottom of operation panel 3 inner wall is bolted to and is moulded plastics lower mould 5, the inside of moulding plastics lower mould 5 is provided with drawing of patterns subassembly 6, drawing of patterns subassembly 6 includes thimble 601, the bottom of thimble 601 is provided with subassembly 7 of breathing in;

The air suction assembly 7 comprises a cavity block 701, a corrugated pipe 702 is fixedly communicated with the rear side of the cavity block 701, the other end of the corrugated pipe 702 penetrates through the mounting frame 2 and is fixedly communicated with a collecting box 703, a vacuum pump 704 is fixedly communicated with the bottom of the collecting box 703, and the vacuum pump 704 and the collecting box 703 are fixedly connected to the rear side of the mounting frame 2.

In the embodiment, through the arrangement of the air suction assembly 7, the vacuum pump 704 can provide continuous and stable air suction power, air and tiny fragments in the cavity of the injection lower die 5 can be quickly and efficiently pumped out, the probability of forming bubbles by wrapping air when plastic melt is filled is greatly reduced, the collecting box 703 can provide temporary storage space for the pumped air and tiny fragments, the pumped air and tiny fragments are orderly gathered in the collecting box 703, the corrugated pipe 702 can adapt to the position change of the cavity block 701 by virtue of the characteristic of telescopic bending of the corrugated pipe 702, the air and tiny fragments can be ensured to be smoothly transmitted to the collecting box 703 from the injection lower die 5 all the time, the continuity of the air suction process is maintained, when the vacuum pump 704 is started to generate negative pressure, the air and tiny fragments in the cavity of the injection lower die 5 can enter the ejector pin 601 through the air suction hole 8 on the surface of the ejector pin 601 and are gathered into the cavity block 701, and the air and the tiny fragments are orderly conveyed to the collecting box 703 by the corrugated pipe 702, so that the air and the tiny fragments in the cavity block 701 can be effectively absorbed, and the appearance quality of glass products can be further improved.

Specifically, as shown in fig. 4, through holes are formed in the injection lower mold 5 and the operation table 3, and the ejector pin 601 is matched with the through holes.

Specifically, as shown in fig. 4, the ejector pins 601 are fixedly connected to the top of the cavity block 701, the number of the ejector pins 601 is set to be a plurality of and evenly distributed, and the surface of the ejector pins 601 is provided with air suction holes 8.

Specifically, as shown in fig. 2 and 4, a groove 9 is formed in the top of the base 1, a bidirectional screw rod 602 is rotatably connected in the groove 9, moving blocks 603 are connected to two sides of the surface of the bidirectional screw rod 602 in a threaded manner, and the moving blocks 603 are matched with the groove 9.

Specifically, as shown in fig. 4, a linkage block 604 is fixedly connected to the top of the moving block 603, a push rod 605 is rotatably connected to the front side and the rear side of the linkage block 604, a lifting plate 606 is fixedly connected to the bottom of the cavity block 701, and one side of the push rod 605, which is close to the lifting plate 606, is rotatably connected to the lifting plate 606.

In the embodiment, through the arrangement, the plurality of uniformly distributed ejector pins 601 can apply force to non-key parts of glass products at different positions simultaneously during demolding, so that uniformity of ejection force is ensured, marks or deformation on the surfaces of the products due to uneven local stress is avoided, demolding effect is remarkably improved, when the bidirectional screw rod 602 rotates under the driving of the servo motor 14, the moving block 603 can move smoothly in the groove 9 along the axial direction of the bidirectional screw rod 602 according to the rotating direction of the screw rod, the moving block 603 can drive the linkage block 604 to move, the linkage block 604 pushes the lifting plate 606 through the ejector rod 605, and lifting of the ejector pins 601 is further controlled, ejection speed and force of the ejector pins 601 can be accurately controlled, demolding requirements of glass products with different shapes and sizes are met, and demolding efficiency and product quality are further improved.

Specifically, as shown in fig. 5, the inside of the collection box 703 is slidably connected with the moving box 10, and the bottom of the inner wall of the moving box 10 is fixedly connected with the filter screen 11.

Specifically, as shown in fig. 5, a connecting plate 12 is fixedly connected to the outer side of the moving box 10, and the connecting plate 12 is bolted to the collecting box 703.

Through the arrangement, when the air sucked by the air suction assembly 7 and the tiny fragments enter the collecting box 703, the filter screen 11 can intercept and filter the sucked air and the tiny fragments, so that the tiny fragments can be left at the top of the filter screen 11, the subsequent treatment is convenient, the moving box 10 can be detached conveniently when cleaning or maintenance is needed due to the bolting connection mode of the connecting plate 12 and the collecting box 703, the maintenance convenience is improved, and the air suction assembly 7 is ensured to continuously and stably work.

Specifically, as shown in fig. 1 and 2, a PLC controller 13 is disposed on the front side of the mounting frame 2, a servo motor 14 is fixedly connected to the right side of the bidirectional screw 602, and the servo motor 14 and a vacuum pump 704 are electrically connected to the PLC controller 13.

In the embodiment, through the arrangement, the PLC 13 can perform accurate logic control on the servo motor 14, the vacuum pump 704 and the like, and can control the injection upper die 4 and the injection lower die 5 to be clamped firstly according to a set flow, then control the vacuum pump 704 to start for air suction operation so as to assist the demolding assembly 6 to work better, and can control the servo motor 14 to drive the bidirectional screw rod 602 to rotate after injection is completed, thereby realizing a series of actions such as demolding and the like, greatly improving the degree of automation, and improving the production efficiency and the stability of product quality.

The working principle is that molten glass material is injected into a cavity of an injection lower die 5 at first, the glass material is cooled and molded in the cavity, after the glass product is cooled to a certain degree, a servo motor 14 and a vacuum pump 704 are started by a PLC (programmable logic controller) 13, the servo motor 14 drives a bidirectional screw rod 602 to rotate, two side moving blocks 603 are relatively moved by the rotation of the bidirectional screw rod 602, a linkage block 604 moves along with the moving blocks 603, a push rod 605 is driven to push a lifting plate 606 to move upwards when the linkage block 604 moves, so that the push rod 601 can be pushed upwards in a through hole, the glass product can be pushed out of the injection lower die 5 to finish demolding, meanwhile, the vacuum pump 704 can enable the cavity block 701 and the push rod 601 to form negative pressure through a collecting box 703 and a bellows 702, then the push rod 601 can absorb air in the cavity, and simultaneously absorb tiny fragments of the glass product, the absorbed air and the tiny fragments can enter the collecting box 703 through the bellows 702, are intercepted by the filter screen 11 in the moving box 10, if the tiny fragments 11 in the moving box 10 are intercepted, the tiny fragments 12 can be released, and the glass product can be cleaned after the connecting plate 12 and the collecting box 703 are connected.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The anti-deformation glass product injection mold comprises a base (1) and is characterized in that the top of the base (1) is fixedly connected with a mounting frame (2), the top of the mounting frame (2) is fixedly connected with an operation table (3), an injection upper mold (4) is arranged in the operation table (3), an injection lower mold (5) is bolted to the bottom of the inner wall of the operation table (3), a demolding assembly (6) is arranged in the injection lower mold (5), the demolding assembly (6) comprises an ejector pin (601), and an air suction assembly (7) is arranged at the bottom of the ejector pin (601);

The air suction assembly (7) comprises a cavity block (701), a corrugated pipe (702) is fixedly communicated with the rear side of the cavity block (701), the other end of the corrugated pipe (702) penetrates through the mounting frame (2) and is fixedly communicated with a collecting box (703), a vacuum pump (704) is fixedly communicated with the bottom of the collecting box (703), and the vacuum pump (704) and the collecting box (703) are fixedly connected with the rear side of the mounting frame (2).

2. The anti-deformation glass product injection mold according to claim 1, wherein through holes are formed in the injection lower mold (5) and the operation table (3), and the ejector pin (601) is matched with the through holes.

3. The anti-deformation glass product injection mold according to claim 1, wherein the ejector pins (601) are fixedly connected to the top of the cavity block (701), the number of the ejector pins (601) is set to be a plurality of and evenly distributed, and air suction holes (8) are formed in the surface of the ejector pins (601).

4. The anti-deformation glass product injection mold according to claim 1, wherein the top of the base (1) is provided with a groove (9), a bidirectional screw rod (602) is rotatably connected in the groove (9), moving blocks (603) are connected to two sides of the surface of the bidirectional screw rod (602) in a threaded manner, and the moving blocks (603) are matched with the groove (9).

5. The anti-deformation glass product injection mold according to claim 4, wherein a linkage block (604) is fixedly connected to the top of the moving block (603), ejector rods (605) are rotatably connected to the front side and the rear side of the linkage block (604), a lifting plate (606) is fixedly connected to the bottom of the cavity block (701), and one side, close to the lifting plate (606), of the ejector rods (605) is rotatably connected with the lifting plate (606).

6. The anti-deformation glassware injection mold according to claim 1, wherein the interior of the collecting box (703) is slidably connected with a movable box (10), and the bottom of the inner wall of the movable box (10) is fixedly connected with a filter screen (11).

7. The anti-deformation glass product injection mold according to claim 6, wherein a connecting plate (12) is fixedly connected to the outer side of the movable box (10), and the connecting plate (12) is bolted with the collecting box (703).

8. The anti-deformation glass product injection mold according to claim 4, wherein a PLC (programmable logic controller) 13 is arranged on the front side of the mounting frame 2, a servo motor 14 is fixedly connected to the right side of the bidirectional screw rod 602, and the servo motor 14 and a vacuum pump 704 are electrically connected with the PLC 13.