Anti-deformation glass product injection mold

Abstract

The utility model discloses an anti-deformation glass product injection mold, which belongs to the technical field of injection molds, and adopts the technical scheme that the anti-deformation glass product injection mold comprises a base, 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, and an upper injection mold is arranged in the operation table; an injection molding lower mold is bolted to the bottom of the inner wall of the operation table, a demolding assembly is arranged in the injection molding lower mold and comprises an ejector pin, an air suction assembly is arranged at the bottom of the ejector pin, and air and tiny chippings in a cavity of the injection molding lower mold can be effectively extracted by arranging the air suction assembly, so that when plastic melt is filled, the air suction assembly can effectively suck the air and the tiny chippings into the cavity of the injection molding lower mold; according to the glass product demolding device, the amount of air wrapped to form bubbles is greatly reduced, so that the appearance quality of the glass product is remarkably improved, the glass product can be efficiently ejected out of the lower injection mold through the demolding assembly, the demolding speed is greatly increased, meanwhile, the demolding assembly can be used in cooperation with the air suction assembly, and the using effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, and in particular to an injection mold for anti-deformation glass products. Background Technology

[0002] In modern manufacturing, glass products are widely used in many fields such as construction, electronics, medical, and home furnishing due to their unique optical properties, chemical stability, and aesthetics. With the continuous growth of market demand for glass products and the increasing requirements for product quality, the injection molding process of glass products has become increasingly critical.

[0003] In the injection molding process of existing glass products, the rapid filling of the plastic melt compresses air into hidden corners, causing air to accumulate in the lower mold cavity. At the same time, during the demolding process, some tiny fragments may fall off the glass product. These fragments have many microscopic unevenness and gaps on their surfaces, providing a place for gas molecules to gather. This makes it easy for the gas originally dissolved in the plastic melt to accumulate on the surface of these fragments, forming bubble nuclei, which then develop into visible bubbles. If the air in the cavity cannot be discharged in time, it will be trapped inside the glass product, forming bubbles, thereby reducing the strength and appearance quality of the glass product.

[0004] To address this, a deformation-resistant glass product injection mold is proposed. Utility Model Content

[0005] The purpose of this invention is to provide an anti-deformation glass product injection mold that can solve the problem that during the injection molding process, the rapid filling of the plastic melt squeezes air into hidden corners, causing air to accumulate in the lower mold cavity. At the same time, during the demolding process, some tiny fragments may fall off the glass product. These fragments have many microscopic unevenness and gaps on their surfaces, providing a place for gas molecules to gather. This makes it easy for the gas originally dissolved in the plastic melt to gather on the surface of these fragments to form bubble nuclei, which then develop into visible bubbles. If the air in the cavity cannot be discharged in time, it will be trapped inside the glass product, forming bubbles, thereby reducing the strength and appearance quality of the glass product.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an anti-deformation glass product injection mold, comprising a base, an installation frame fixedly connected to the top of the base, an operating table fixedly connected to the top of the installation frame, an upper injection mold disposed inside the operating table, a lower injection mold bolted to the bottom of the inner wall of the operating table, a demolding assembly disposed inside the lower injection mold, the demolding assembly comprising an ejector pin, and an air suction assembly disposed at the bottom of the ejector pin;

[0007] The air intake assembly includes a cavity block, a corrugated pipe is fixedly connected to the rear side of the cavity block, the other end of the corrugated pipe passes through the mounting frame and is fixedly connected to a collection box, a vacuum pump is fixedly connected to the bottom of the collection box, and both the vacuum pump and the collection box are fixedly connected to the rear side of the mounting frame.

[0008] Preferably, both the lower injection mold and the operating table have through holes inside, and the ejector pins are used in conjunction with the through holes.

[0009] Preferably, the ejector pin is fixedly connected to the top of the cavity block, the number of ejector pins is set to several and evenly distributed, and the surface of the ejector pin is provided with an air suction hole.

[0010] Preferably, the top of the base is provided with a groove, and a bidirectional lead screw is rotatably connected inside the groove. Both sides of the surface of the bidirectional lead screw are threaded with moving blocks, and the moving blocks are used in conjunction with the groove.

[0011] Preferably, a linkage block is fixedly connected to the top of the movable block, and a top rod is rotatably connected to both the front and rear sides of the linkage block. A lifting plate is fixedly connected to the bottom of the cavity block, and the side of the top rod closest to the lifting plate is rotatably connected to the lifting plate.

[0012] Preferably, a movable box is slidably connected inside the collection box, and a filter screen is fixedly connected to the bottom of the inner wall of the movable box.

[0013] Preferably, a connecting plate is fixedly connected to the outside of the mobile box, and the connecting plate is bolted to the collection box.

[0014] Preferably, a PLC controller is provided on the front side of the mounting frame, and a servo motor is fixedly connected to the right side of the bidirectional lead screw. The servo motor and the vacuum pump are both electrically connected to the PLC controller.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This application incorporates an air suction component, which effectively extracts air and tiny debris from the mold cavity during injection molding. This significantly reduces the amount of air trapped and forming bubbles when the plastic melt is filled, thereby significantly improving the appearance quality of glass products.

[0017] 2. By setting up a demolding component, this application can efficiently eject glass products from the injection mold, greatly improving the demolding speed. At the same time, the demolding component can be used in conjunction with the air suction component to extract residual air and tiny debris in the injection mold cavity while ejecting the glass products, further reducing the possibility of air bubble formation. Attached Figure Description

[0018] Figure 1This is an overall structural diagram of the anti-deformation glass product injection mold of this utility model;

[0019] Figure 2 This utility model Figure 1 Right side sectional view;

[0020] Figure 3 This is a schematic diagram of the air intake component of this utility model;

[0021] Figure 4 This is a schematic diagram of the demolding assembly of this utility model;

[0022] Figure 5 This is a schematic diagram showing the connection between the collection box and the mobile box of this utility model.

[0023] In the diagram, 1. Base; 2. Mounting frame; 3. Operating table; 4. Upper injection mold; 5. Lower injection mold; 6. Demolding assembly; 601. Ejector pin; 602. Two-way lead screw; 603. Moving block; 604. Linkage block; 605. Ejector rod; 606. Lifting plate; 7. Suction assembly; 701. Cavity block; 702. Bellows; 703. Collection box; 704. Vacuum pump; 8. Suction hole; 9. Groove; 10. Moving box; 11. Filter screen; 12. Connecting plate; 13. PLC controller; 14. Servo motor. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 The present invention provides the following technical solution:

[0026] An anti-deformation glass product injection mold includes a base 1, an installation frame 2 fixedly connected to the top of the base 1, an operating table 3 fixedly connected to the top of the installation frame 2, an upper injection mold 4 disposed inside the operating table 3, a lower injection mold 5 bolted to the bottom of the inner wall of the operating table 3, a demolding assembly 6 disposed inside the lower injection mold 5, the demolding assembly 6 including an ejector pin 601, and an air suction assembly 7 disposed at the bottom of the ejector pin 601;

[0027] The suction assembly 7 includes a cavity block 701, a bellows 702 is fixedly connected to the rear side of the cavity block 701, the other end of the bellows 702 passes through the mounting frame 2 and is fixedly connected to a collection box 703, a vacuum pump 704 is fixedly connected to the bottom of the collection box 703, and both the vacuum pump 704 and the collection box 703 are fixedly connected to the rear side of the mounting frame 2.

[0028] In this embodiment: by setting the suction component 7, the vacuum pump 704 can provide continuous and stable suction power, which can quickly and efficiently extract air and small debris from the cavity of the injection mold 5, greatly reducing the probability of air bubbles forming when the plastic melt is filled. The collection box 703 can provide temporary storage space for the extracted air and small debris, allowing them to gather in an orderly manner. The bellows 702, with its stretchable and flexible characteristics, can adapt to the positional changes of the cavity block 701, ensuring the safe collection of air and small debris. The air can be smoothly transferred from the lower injection mold 5 to the collection box 703, maintaining the continuity of the suction process. When the vacuum pump 704 starts and generates negative pressure, the air and small debris in the cavity of the lower injection mold 5 will enter the interior of the ejector pin 601 through the suction hole 8 on the surface of the ejector pin 601, and then converge into the cavity block 701. The cavity block 701 then transports the air and small debris to the collection box 703 in an orderly manner through the bellows 702. This effectively absorbs the air and small debris in the cavity of the lower injection mold 5, thereby improving the appearance quality of the glass products.

[0029] Specifically, such as Figure 4 As shown, both the lower injection mold 5 and the operating table 3 have through holes inside, and the ejector pin 601 is used in conjunction with the through holes.

[0030] Specifically, such as Figure 4 As shown, ejector pins 601 are fixedly connected to the top of cavity block 701. The number of ejector pins 601 is set to several and evenly distributed. Air suction holes 8 are opened on the surface of ejector pins 601.

[0031] Specifically, such as Figure 2 , Figure 4 As shown, a groove 9 is provided on the top of the base 1. A bidirectional lead screw 602 is rotatably connected inside the groove 9. Moving blocks 603 are threadedly connected to both sides of the surface of the bidirectional lead screw 602, and the moving blocks 603 are used in conjunction with the groove 9.

[0032] Specifically, such as Figure 4 As shown, a linkage block 604 is fixedly connected to the top of the movable block 603, and a push rod 605 is rotatably connected to the front and rear sides of the linkage block 604. A lifting plate 606 is fixedly connected to the bottom of the cavity block 701, and the side of the push rod 605 near the lifting plate 606 is rotatably connected to the lifting plate 606.

[0033] In this embodiment: With the above settings, multiple evenly distributed ejector pins 601 can simultaneously apply force to non-critical parts of the glass product from different positions during demolding, ensuring the uniformity of ejection force and avoiding marks or deformation on the product surface due to uneven local force, thus significantly improving the demolding effect. When the bidirectional lead screw 602 rotates under the drive of the servo motor 14, the moving block 603 will move smoothly along the axial direction of the bidirectional lead screw 602 in the groove 9 according to the rotation direction of the lead screw. The movement of the moving block 603 will drive the linkage block 604 to move. The linkage block 604 pushes the lifting plate 606 through the ejector rod 605, thereby controlling the lifting and lowering of the ejector pins 601. This allows for precise control of the ejection speed and force of the ejector pins 601, meeting the demolding requirements of glass products of different shapes and sizes, and further improving demolding efficiency and product quality.

[0034] Specifically, such as Figure 5 As shown, a movable box 10 is slidably connected inside the collection box 703, and a filter screen 11 is fixedly connected to the bottom of the inner wall of the movable box 10.

[0035] Specifically, such as Figure 5 As shown, a connecting plate 12 is fixedly connected to the outside of the mobile box 10, and the connecting plate 12 is bolted to the collection box 703.

[0036] In this embodiment: With the above settings, when the air and fine debris drawn in by the suction assembly 7 enter the collection box 703, the filter screen 11 can intercept and filter the air and fine debris, so that the fine debris will remain on the top of the filter screen 11 for easy subsequent processing. The connection method of the connecting plate 12 and the collection box 703 makes it easier to disassemble the movable box 10 when cleaning or maintenance is required, which improves the convenience of maintenance and ensures that the suction assembly 7 works continuously and stably.

[0037] Specifically, such as Figure 1 , Figure 2 As shown, a PLC controller 13 is installed on the front side of the mounting frame 2, and a servo motor 14 is fixedly connected to the right side of the bidirectional lead screw 602. The servo motor 14 and the vacuum pump 704 are both electrically connected to the PLC controller 13.

[0038] In this embodiment: Through the above settings, the PLC controller 13 can perform precise logic control on the servo motor 14 and vacuum pump 704, etc. According to the set process, it can first control the upper injection mold 4 and the lower injection mold 5 to close, and then control the vacuum pump 704 to start and perform air suction to assist the demolding component 6 to work better. After the injection is completed, it can control the servo motor 14 to drive the bidirectional lead screw 602 to rotate, realize a series of actions such as demolding, thereby greatly improving the degree of automation, production efficiency and product quality stability.

[0039] Working principle: First, molten glass material is injected into the cavity of the lower injection mold 5. The glass material is then allowed to cool and solidify within the cavity. Once the glass product has cooled to a certain degree, the servo motor 14 and vacuum pump 704 are activated via the PLC controller 13. The servo motor 14 drives the bidirectional lead screw 602 to rotate. The rotation of the bidirectional lead screw 602 causes the moving blocks 603 on both sides to move relative to each other. The linkage block 604 moves along with the moving blocks 603. When the linkage block 604 moves, it drives the ejector rod 605 to push the lifting plate 606 upwards, causing the ejector pin 601 to be ejected upwards within the through hole, thus lifting the glass product from... The ejector pin 601 is ejected from the lower mold 5 to complete the demolding. At the same time, the vacuum pump 704 will create negative pressure in the cavity block 701 and ejector pin 601 through the collection box 703 and the bellows 702. Then, the ejector pin 601 will draw in the air in the cavity through the air suction hole 8, and at the same time, it will draw in the tiny debris that falls off the glass product. The drawn-in air and tiny debris will enter the collection box 703 through the bellows 702 and be intercepted by the filter screen 11 in the moving box 10. If the filter screen 11 in the moving box 10 intercepts a lot of tiny debris, the bolt connection between the connecting plate 12 and the collection box 703 can be loosened, the moving box 10 can be pulled out, cleaned, and then reinstalled.

[0040] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A non-deforming glass article injection mold comprising a base (1), 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), the inside of the operation table (3) is provided with an injection mold upper die (4), the bottom of the inner wall of the operation table (3) is bolted with an injection mold lower die (5), the inside of the injection mold lower die (5) is provided with a demolding assembly (6), and the demolding assembly (6) comprises a ejector pin (601), and the bottom of the ejector pin (601) is provided with an air suction assembly (7). The air suction assembly (7) comprises a cavity block (701), the rear side of the cavity block (701) is fixedly connected with a bellows (702), the other end of the bellows (702) penetrates through the mounting frame (2) and is fixedly connected with a collection box (703), the bottom of the collection box (703) is fixedly connected with a vacuum pump (704), and the vacuum pump (704) and the collection box (703) are both fixedly connected to the rear side of the mounting frame (2).

2. The anti-deformation glass product injection mold according to claim 1, characterized in that: The inside of the injection mold lower die (5) and the operation table (3) is both provided with a through hole, and the ejector pin (601) is used in cooperation with the through hole.

3. The anti-deformation glass product injection mold according to claim 1, characterized in that: The ejector pin (601) is fixedly connected to the top of the cavity block (701), the number of the ejector pin (601) is set to be several and is uniformly distributed, and the surface of the ejector pin (601) is provided with an air suction hole (8).

4. The anti-deformation glass product injection mold according to claim 1, characterized in that: The top of the base (1) is provided with a groove (9), the inside of the groove (9) is rotatably connected with a bidirectional screw rod (602), the two sides of the surface of the bidirectional screw rod (602) are both screw-connected with a moving block (603), and the moving block (603) is used in cooperation with the groove (9).

5. A distortion-proof glass article injection mold according to claim 4, characterized in that: The top of the moving block (603) is fixedly connected with a linkage block (604), the front side and the rear side of the linkage block (604) are both rotatably connected with a top rod (605), the bottom of the cavity block (701) is fixedly connected with a lifting plate (606), and the side, close to the lifting plate (606), of the top rod (605) is rotatably connected with the lifting plate (606).

6. The anti-deformation glass product injection mold according to claim 1, characterized in that: The inside of the collection box (703) is slidably connected with a moving box (10), and the bottom of the inner wall of the moving box (10) is fixedly connected with a filter screen (11).

7. A distortion-proof glass article injection mold according to claim 6, characterized in that: The outside of the moving box (10) is fixedly connected with a connecting plate (12), and the connecting plate (12) is bolted with the collection box (703).

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

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