A mold facilitating demolding

Abstract

The utility model discloses a mould convenient to demould belongs to mould technical field, and its technical scheme main points include mounting bracket, the top fixedly connected with support seat of mounting bracket inner wall and support seat is hollow setting, the top fixed mounting of support seat has lower mould, the upper portion of lower mould is provided with upper mould, through setting cleaning assembly, when the ejection assembly ejects the formed product, the dust catcher starts, through the annular cavity inside of bellows hose is abstracted into negative pressure state, utilize the multiple suction holes of annular distribution can all -round adsorption cavity surface residual raw material chippings, burr and dust etc. Impurity, ensure cavity cleanliness, this integrated design combines cleaning procedure and demoulding process organically, avoids the production cycle extension problem of traditional mould in demoulding and cleaning independent each other, guarantees the timeliness and completeness of cleaning, effectively reduces the influence of impurity residue to the quality of subsequent product forming, is favorable for promoting the continuous stable operation efficiency of automatic production line.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, and in particular to a mold that is easy to demold. Background Technology

[0002] In the industrial production field, molds are used as key equipment in molding and processing, and are widely used in the molding and manufacturing of materials such as plastics and metals. The demolding performance of molds directly affects the production efficiency, molding quality and mold life of products.

[0003] Currently, the molds lack structures to assist in demolding. During demolding, workers need to wait for the molds to cool down before using tools to cool them, which is a cumbersome process and affects processing efficiency. The existing patent (publication number: CN222958984U) discloses a mold that facilitates demolding. This application uses a combination of a liquid inlet pipe, a pressure rod, an electric push rod, and an ejector rod to facilitate workers to quickly perform demolding operations without the need for external tools, thus improving work efficiency.

[0004] To address the aforementioned issues, existing patents have provided solutions. However, after the mold completes one molding and demolding, a small amount of raw material debris, flash, or dust often remains on the surface of the cavity. If these residual impurities are not cleaned in time, they can easily cause scratches, dents, or inclusion defects on the surface of new products during subsequent molding processes, thereby seriously affecting the product qualification rate. Furthermore, although some existing molds have cleaning functions, demolding and cleaning are independent processes, which not only prolongs the single production cycle but also makes it difficult to ensure the timeliness and thoroughness of cleaning, thus restricting the continuous and stable operation of automated production lines.

[0005] Therefore, a mold that facilitates demolding is proposed. Utility Model Content

[0006] The purpose of this invention is to provide a mold that facilitates demolding, which solves the problem that after the existing mold completes one molding and demolding, the surface of the cavity often has a small amount of raw material debris, flash, or dust and other impurities. If these residual impurities are not cleaned in time, they can easily cause scratches, dents or inclusion defects on the surface of the new product during subsequent molding processes, which seriously affects the product qualification rate. In addition, although some existing molds have cleaning functions, demolding and cleaning are independent processes, which not only prolongs the single production cycle, but also makes it difficult to ensure the timeliness and thoroughness of cleaning, thus restricting the continuous and stable operation of automated production lines.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a mold for easy demolding, comprising a mounting frame, a support base fixedly connected to the top of the inner wall of the mounting frame, the support base being hollow, a lower mold fixedly mounted on the top of the support base, an upper mold disposed above the lower mold, a demolding mechanism disposed inside the lower mold, the demolding mechanism comprising an ejection component and a cleaning component, the cleaning component comprising two annular cavities, suction holes being provided on the surface of the annular cavities, the number of suction holes being multiple and arranged in annularly, a vacuum cleaner being mounted on the rear side of the lower mold, the suction end of the vacuum cleaner being fixedly connected to a corrugated hose, and the other end of the corrugated hose penetrating the support base and the lower mold and being fixedly connected to the bottom of the annular cavity.

[0008] Preferably, the ejection assembly includes a top plate and an annular cavity is fixedly sleeved on the surface of the top plate. Two through holes are opened at the bottom of the inner wall of the lower mold. The top plate is movably connected inside the through holes and the surface of the annular cavity is tightly fitted with the through holes.

[0009] Preferably, a top rod is fixedly connected to the bottom of the top plate and the top rod passes through the support base, a linkage plate is fixedly connected to the bottom of the top rod, and an inclined block is fixedly connected to the bottom of the linkage plate.

[0010] Preferably, an electric cylinder is fixedly connected inside the support base, and a trapezoidal block is fixedly connected to the telescopic end of the electric cylinder, with the inclined surface of the trapezoidal block cooperating with the inclined surface of the inclined block.

[0011] Preferably, a return spring is sleeved at one end of the top rod inside the support base, and the two ends of the return spring are fixedly connected to the inner wall of the support base and the top of the linkage plate, respectively.

[0012] Preferably, a cylinder is fixedly mounted on the top of the mounting frame, and the telescopic end of the cylinder passes through the mounting frame and is fixedly connected to the top of the upper mold.

[0013] Preferably, a guide slide rod is fixedly connected between the support base and the top of the inner wall of the mounting frame, and both the upper mold and the lower mold are slidably connected to the surface of the guide slide rod.

[0014] Preferably, a limiting block is fixedly connected to the top of the trapezoidal block, and a transverse groove that cooperates with the limiting block is provided at the bottom of the inner wall of the support base.

[0015] Compared with the prior art, the beneficial effects of this utility model are: 1. This application incorporates a cleaning component. After the ejection component ejects the molded product, the vacuum cleaner is activated and uses a corrugated hose to create a negative pressure inside the annular cavity. Multiple suction holes distributed in a ring can comprehensively adsorb residual material debris, flash, dust, and other impurities on the cavity surface, ensuring the cleanliness of the cavity. This integrated design organically combines the cleaning process with the demolding process, avoiding the problem of extended production cycles caused by the independent demolding and cleaning processes in traditional molds. It ensures the timeliness and thoroughness of cleaning, effectively reduces the impact of residual impurities on the molding quality of subsequent products, and helps improve the continuous and stable operation efficiency of automated production lines. 2. By setting up an ejection assembly, when the electric cylinder drives the trapezoidal block to move, its inclined surface will cooperate with the inclined surface of the inclined block to generate an upward thrust. Through the linkage plate, the ejector rod and the ejector plate move upward. The ejector plate extends out of the through hole to eject the molded product in the lower mold. There is no need for manual operation with the help of tools, thereby reducing labor intensity and improving demolding efficiency. Attached Figure Description

[0016] Figure 1 This is an overall structural diagram of the mold for easy demolding according to the present invention; Figure 2 This is a cross-sectional view of the support base of this utility model; Figure 3 This is a schematic diagram of the ejection assembly of this utility model; Figure 4 This is a schematic diagram of the cleaning component of this utility model; Figure 5 This is a top view of the lower mold of this utility model.

[0017] In the diagram, 1. Mounting bracket; 2. Support base; 3. Lower mold; 4. Upper mold; 5. Demolding mechanism; 51. Ejection assembly; 511. Top plate; 512. Ejector rod; 513. Linkage plate; 514. Inclined block; 515. Electric cylinder; 516. Trapezoidal block; 517. Return spring; 52. Cleaning assembly; 521. Annular cavity; 522. Suction hole; 523. Vacuum cleaner; 524. Corrugated hose; 6. Through hole; 7. Cylinder; 8. Guide slide rod; 9. Limiting block; 10. Horizontal groove. Detailed Implementation

[0018] 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.

[0019] Please see Figure 1-5The present invention provides the following technical solution: A mold for easy demolding includes a mounting frame 1. A support base 2 is fixedly connected to the top of the inner wall of the mounting frame 1, and the support base 2 is hollow. A lower mold 3 is fixedly installed on the top of the support base 2. An upper mold 4 is provided above the lower mold 3. A demolding mechanism 5 is provided inside the lower mold 3. The demolding mechanism 5 includes an ejection component 51 and a cleaning component 52. The cleaning component 52 includes two annular cavities 521. Suction holes 522 are opened on the surface of the annular cavities 521. The number of suction holes 522 is set to multiple and distributed in an annular pattern. A vacuum cleaner 523 is installed on the rear side of the lower mold 3. The suction end of the vacuum cleaner 523 is fixedly connected to a corrugated hose 524, and the other end of the corrugated hose 524 passes through the support base 2 and the lower mold 3 and is fixedly connected to the bottom of the annular cavity 521.

[0020] In this embodiment: The cleaning component 52 has an annular cavity 521 as its core supporting structure, which is fixedly fitted onto the surface of the top plate 511 and tightly fitted with the through hole 6. Its annular design allows it to form a closed adsorption space around the ejection area, ensuring comprehensive coverage of the lower mold 3 cavity and avoiding cleaning dead zones. Suction holes 522 are formed on the surface of the annular cavity 521, distributed in multiple rings. When the vacuum cleaner 523 is working, the suction holes 522 form uniform negative pressure adsorption points, accurately adsorbing residues remaining after demolding. Material debris, burrs, dust, and other impurities are removed to ensure thorough cleaning. The vacuum cleaner 523 provides a negative pressure power source, creating a negative pressure environment within the annular cavity 521 through continuous air extraction, which powers the suction port 522 to adsorb impurities. The corrugated hose 524 connects the suction end of the vacuum cleaner 523 to the annular cavity 521, serving to conduct airflow and impurities. Its flexible nature allows it to adapt to positional changes during the up-and-down movement of the top plate 511, ensuring a continuously unobstructed suction path and ensuring that the cleaning process is not affected by the movement of the ejector assembly 51.

[0021] Specifically, such as Figure 3 As shown, the ejection assembly 51 includes a top plate 511 and an annular cavity 521 fixedly sleeved on the surface of the top plate 511. Two through holes 6 are opened at the bottom of the inner wall of the lower mold 3. The top plate 511 is movably connected inside the through holes 6 and the surface of the annular cavity 521 is tightly fitted with the through holes 6.

[0022] Specifically, such as Figure 3 As shown, a top rod 512 is fixedly connected to the bottom of the top plate 511 and the top rod 512 passes through the support base 2. A linkage plate 513 is fixedly connected to the bottom of the top rod 512, and an inclined block 514 is fixedly connected to the bottom of the linkage plate 513.

[0023] Specifically, such as Figure 3As shown, an electric cylinder 515 is fixedly connected inside the support base 2. A trapezoidal block 516 is fixedly connected to the telescopic end of the electric cylinder 515. The inclined surface of the trapezoidal block 516 is used in conjunction with the inclined surface of the inclined block 514.

[0024] Specifically, such as Figure 3 As shown, a return spring 517 is sleeved on one end of the top rod 512 inside the support base 2. The two ends of the return spring 517 are fixedly connected to the inner wall of the support base 2 and the top of the linkage plate 513, respectively.

[0025] In this embodiment: by setting the ejection assembly 51, the top plate 511 can directly contact the molded product. During the ejection action, it acts as an actuator, lifting the product from the cavity of the lower mold 3 and detaching it from the cavity of the upper mold 4 through upward movement. Furthermore, the fit between the top plate 511 and the through hole 6 ensures that it remains flush with the inner wall of the lower mold 3 in the non-demolding state, without affecting product molding. The ejector rod 512 connects the top plate 511 and the linkage plate 513, transmitting the upward thrust received by the linkage plate 513 to the top plate 511, driving it to complete the ejection action. Its length design ensures that the ejection stroke of the top plate 511 meets the demolding requirements. The linkage plate 513 can fix multiple ejector rods 512 together, enabling multiple top plates 511 to move synchronously, ensuring uniform force on the product during ejection and preventing uneven force distribution. Uneven force can cause product deformation or damage. The inclined block 514 can cooperate with the inclined surface of the trapezoidal block 516 to convert the horizontal movement of the trapezoidal block 516 into its own vertical upward movement, which in turn drives the top plate 511 to rise through the linkage plate 513 and the push rod 512. The electric cylinder 515, as the power source of the ejection assembly 51, can provide horizontal driving force and drive the trapezoidal block 516 to move through its extension and retraction action, providing power support for the entire ejection action and realizing the automated control of the ejection process. When the electric cylinder 515 retracts and drives the trapezoidal block 516 to reset, the return spring 517 can pull the linkage plate 513 downward through its own elastic restoring force, so that the push rod 512, the top plate 511 and other components return to their initial positions, ensuring the normal operation of the next molding process and guaranteeing the reset accuracy of the ejection assembly 51.

[0026] Specifically, such as Figure 1 As shown, a cylinder 7 is fixedly installed on the top of the mounting frame 1. The telescopic end of the cylinder 7 passes through the mounting frame 1 and is fixedly connected to the top of the upper mold 4.

[0027] Specifically, such as Figure 1 As shown, a guide slide rod 8 is fixedly connected between the support base 2 and the top of the inner wall of the mounting bracket 1, and the upper mold 4 and the lower mold 3 are slidably connected to the surface of the guide slide rod 8.

[0028] In this embodiment: With the above settings, the cylinder 7 serves as the power source for the movement of the upper mold 4. Through the extension and retraction of its telescopic end, it can provide driving force for the lifting and lowering of the upper mold 4. When the cylinder 7 extends, it can push the upper mold 4 downward to achieve mold closing with the lower mold 3. When the cylinder 7 retracts, it can drive the upper mold 4 upward to achieve mold opening with the lower mold 3, thereby automating the mold opening and closing process and improving operational efficiency and accuracy. The guide slide rod 8 can provide guidance for the movement of the upper mold 4 and the lower mold 3, ensuring that the upper mold 4 and the lower mold 3 move along a fixed trajectory during the movement, avoiding deviation, tilting, etc., and ensuring the alignment accuracy of the upper mold 4 and the lower mold 3 when they are closed, thereby ensuring the molding quality of the product.

[0029] Specifically, such as Figure 2 As shown, the top of the trapezoidal block 516 is fixedly connected to the limiting block 9, and the bottom of the inner wall of the support base 2 is provided with a horizontal groove 10 that cooperates with the limiting block 9.

[0030] In this embodiment: Through the above settings, the transverse groove 10 can provide a motion trajectory channel for the limiting block 9. By cooperating with the limiting block 9, the movement direction of the trapezoidal block 516 is strictly limited, so that it can only move horizontally back and forth along the transverse groove 10, avoiding the trapezoidal block 516 from shifting up and down or tilting during the movement, thereby ensuring the efficiency and stability of force transmission and ensuring that the ejection component 51 always operates accurately.

[0031] Working principle: When cylinder 7 receives the mold closing signal, its telescopic end extends downward, pushing the upper mold 4 vertically downward along the guide slide 8. The upper mold 4 continues to descend until it is completely fitted with the lower mold 3 at the top of the support base 2, forming a closed cavity. At this point, the mold closing action is completed. Subsequently, molten material (such as plastic, liquid metal, etc.) is injected into the closed cavity. After the material cools and solidifies into a molded product, the mold opening stage begins. When cylinder 7 receives the mold opening signal, its telescopic end retracts upward, driving... The upper mold 4 moves vertically upward along the guide slide bar 8, gradually separating from the lower mold 3 until the upper mold 4 rises to a preset height. Then, the electric cylinder 515 is activated, causing its telescopic end to push the trapezoidal block 516 horizontally. When the trapezoidal block 516 moves, its inclined surface will contact the inclined surface of the inclined block 514, thereby converting the horizontal thrust into a vertical upward force, pushing the inclined block 514, the linkage plate 513, and the ejector rod 512 to move upward synchronously. The ejector rod 512 will push the top plate 511 to extend out of the through hole 6 of the lower mold 3. This allows the top plate 511 to directly contact and lift the molded product, causing it to detach from the lower mold cavity 3 and complete demolding. Simultaneously, the vacuum cleaner 523 is activated. The vacuum cleaner 523 uses a corrugated hose 524 to draw air into the annular cavity 521, creating a negative pressure environment. Multiple suction holes 522 on the surface of the annular cavity 521 generate suction force, drawing in debris, flash, and other impurities remaining on the surface of the lower mold cavity 3 after demolding. These impurities are then drawn into the annular cavity 521. 21. The corrugated hose 524 enters the vacuum cleaner 523 to achieve synchronous cleaning of the cavity. After the product is removed, the telescopic end of the electric cylinder 515 retracts, causing the trapezoidal block 516 to separate from the inclined block 514. The return spring 517 on the surface of the ejector rod 512 will release elastic potential energy, pulling the linkage plate 513 to move vertically downward. The ejector rod 512 and the top plate 511 will then return to their original positions. The top plate 511 will retract back into the through hole 6 of the lower mold 3, keeping it flush with the inner wall of the lower mold 3, ready to wait for the next molding cycle.

[0032] 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 mold facilitating demolding, comprising a mounting frame (1), characterized in that: The top of the inner wall of the mounting bracket (1) is fixedly connected to a support base (2), and the support base (2) is hollow. The top of the support base (2) is fixedly installed with a lower mold (3). An upper mold (4) is provided above the lower mold (3). A demolding mechanism (5) is provided inside the lower mold (3). The demolding mechanism (5) includes an ejection component (51) and a cleaning component (52). The cleaning component (52) includes two annular cavities (521). Suction holes (522) are opened on the surface of the annular cavity (521). The number of suction holes (522) is set to multiple and they are distributed in annularly. A vacuum cleaner (523) is installed on the rear side of the lower mold (3). The suction end of the vacuum cleaner (523) is fixedly connected to a corrugated hose (524). The other end of the corrugated hose (524) passes through the support base (2) and the lower mold (3) and is fixedly connected to the bottom of the annular cavity (521).

2. A mold facilitating demolding according to claim 1, characterized in that: The ejection assembly (51) includes a top plate (511) and an annular cavity (521) is fixedly sleeved on the surface of the top plate (511). The bottom of the inner wall of the lower mold (3) has two through holes (6). The top plate (511) is movably connected inside the through holes (6) and the surface of the annular cavity (521) is tightly fitted with the through holes (6).

3. A mold facilitating demolding according to claim 2, characterized in that: The bottom of the top plate (511) is fixedly connected to a top rod (512) and the top rod (512) passes through the support base (2). The bottom of the top rod (512) is fixedly connected to a linkage plate (513) and the bottom of the linkage plate (513) is fixedly connected to an inclined block (514).

4. A mold facilitating demolding according to claim 3, characterized in that: An electric cylinder (515) is fixedly connected inside the support base (2). A trapezoidal block (516) is fixedly connected to the telescopic end of the electric cylinder (515). The inclined surface of the trapezoidal block (516) is used in conjunction with the inclined surface of the inclined block (514).

5. A mold facilitating demolding according to claim 3, characterized in that: The top rod (512) is fitted with a return spring (517) at one end inside the support base (2). The two ends of the return spring (517) are fixedly connected to the inner wall of the support base (2) and the top of the linkage plate (513), respectively.

6. A mold facilitating demolding according to claim 1, characterized in that: A cylinder (7) is fixedly installed on the top of the mounting frame (1). The telescopic end of the cylinder (7) passes through the mounting frame (1) and is fixedly connected to the top of the upper mold (4).

7. The mold for easy demolding according to claim 1, characterized in that: A guide slide rod (8) is fixedly connected between the top of the inner wall of the support base (2) and the mounting bracket (1), and the upper mold (4) and the lower mold (3) are slidably connected to the surface of the guide slide rod (8).

8. A mold facilitating demolding according to claim 4, characterized in that: The top of the trapezoidal block (516) is fixedly connected to a limiting block (9), and the bottom of the inner wall of the support base (2) is provided with a transverse groove (10) that cooperates with the limiting block (9).

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