New energy battery plunger soft rubber injection molding device

Abstract

This utility model belongs to the field of injection molding technology, and particularly relates to a soft rubber injection molding device for new energy battery plungers. The device includes: an upper mold; a lower mold including a lower template and a mold core, the mold core being embedded in the lower template, and 96 mold cavities arranged on the mold core, the mold cavities extending along the height direction of the mold core; an ejector mechanism including a first ejector seat, a forming pillar, a second ejector seat, and an ejector pin; and a secondary ejection stroke limiting mechanism, which is disposed on the lower mold. This device, through the array design of 96 mold cavities and forming pillars on the mold core, achieves mass synchronous production, significantly improving production efficiency. In addition, the ejector mechanism, in conjunction with the secondary ejection stroke limiting mechanism, achieves secondary ejection demolding, thereby improving demolding efficiency.

Description

Technical Field

[0001] This application relates to the field of injection molding technology, and in particular to a soft rubber injection molding device for new energy battery plungers. Background Technology

[0002] As a core component for battery sealing, connection, and structural support, the performance of soft plunger rubber in new energy batteries directly affects the safety and lifespan of the battery. With the explosive growth of the new energy vehicle and energy storage markets, the demand for soft plunger rubber from battery manufacturers is increasing exponentially, and the need for large-scale production urgently requires injection molding equipment with efficient and stable mass production capabilities.

[0003] However, existing new energy battery plunger soft rubber injection molding equipment generally suffers from significant drawbacks, such as a small number of mold cavities and insufficient production capacity per injection. Traditional injection molding equipment is limited by factors such as the complexity of mold design and is usually only configured with 8-16 molding cavities, producing only 8-16 soft rubber products per injection, resulting in low single-machine capacity and difficulty in meeting the large-scale delivery needs of modern battery factories.

[0004] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this disclosure, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0005] In view of at least one of the above technical problems, this application provides a new energy battery plunger soft rubber injection molding device.

[0006] This application provides a new energy battery plunger soft rubber injection molding device, the device comprising: an upper mold; a lower mold cooperating with the upper mold, the lower mold including a lower template and a mold core, the mold core being embedded in the lower template, the mold core having 96 mold cavities arranged on the mold core, the mold cavities extending along the height direction of the mold core; and an ejector mechanism, the ejector mechanism including a first ejector seat, forming pillars, a second ejector seat, and ejector pins, the first ejector seat being movably disposed on one side of the lower template, the forming pillars having 96 pillars arranged on the first ejector seat, the forming pillars being paired with the mold cavities one-to-one. The forming column is partially inserted into the mold cavity. The forming column has a forming cavity and an upper ejector channel along its axial direction. The forming cavity is connected to the upper ejector channel and the forming cavity is connected to the mold cavity. The second ejector seat is movably disposed on one side of the first ejector seat. There are 96 ejector pins arranged on the second ejector seat. The ejector pins correspond one-to-one with the forming column and are partially inserted into the upper ejector channel. The secondary upper ejector stroke limiting mechanism is disposed on the lower mold and is used to move the second ejector seat relative to the first ejector seat to realize the ejector pin ejection.

[0007] This device, through its array design of 96 mold cavities and forming pillars on the mold core, enables mass synchronous production and significantly improves production efficiency. In addition, the ejector mechanism works in conjunction with the secondary ejection stroke limiting mechanism to achieve secondary ejection demolding, thereby improving demolding efficiency.

[0008] In some possible implementations, the mold cavity includes a connected forming section and a through section, the forming section and the through section are arranged along the height direction of the mold core, the through section is close to the first ejector seat, the inner bottom wall of the forming section is flush with the upper edge of the forming cavity, and part of the forming pillar is inserted into the through section.

[0009] In some possible implementations, the aperture of the forming section is larger than the aperture of the through section.

[0010] In some possible implementations, the device includes a base plate; the secondary upward stroke limiting mechanism includes a limiting member, a limiting pin, a movable member, and a driving member. The limiting member is fixed to the base plate, and an inclined top mating block is provided at the end of the limiting member away from the base plate facing the first top material seat. The limiting pin is fixed to the first top material seat, and the movable member is sleeved on the limiting pin. The movable member can move in a second direction, and a mating inclined surface is provided on the surface of the movable member away from the first top material seat. The driving member is fixed to the second top material seat and has a plane that mates with the movable member.

[0011] In some possible implementations, the limiting member includes a mounting part and two extensions. The mounting part is fixed on the first top material seat, and the two extensions are spaced apart on the mounting part. Each extension is provided with an inclined top mating block, and an active space is formed between the two extensions. The driving member is located in the active space.

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of the new energy battery plunger soft rubber injection molding device provided in the embodiments of this application;

[0015] Figure 2 yes Figure 1 A structural diagram of the middle mold core, forming pillars, and ejector pins;

[0016] Figure 3 yes Figure 1 Schematic diagram of the structure of the first and second top material seats;

[0017] Figure 4 yes Figure 1 Schematic diagram of the secondary upward stroke limiting mechanism;

[0018] In the diagram: 100, upper mold;

[0019] 200. Lower mold; 210. Lower template; 220. Mold core; 230. Mold cavity; 231. Forming section; 232. Through section;

[0020] 300, Ejector mechanism; 310, First ejector seat; 320, Forming column; 330, Second ejector seat; 340, Ejector pin;

[0021] 321. Molding cavity; 322. Top ejector channel;

[0022] 400. Secondary upward stroke limiting mechanism; 410. Limiting component; 420. Limiting pin; 430. Moving component; 440. Driving component;

[0023] 411. Angled top mating block; 412. Mounting part; 413. Extension part; Detailed Implementation

[0024] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0025] like Figures 1 to 4 As shown in the figure, this embodiment provides a new energy battery plunger soft rubber injection molding device, which includes: an upper mold 100, a lower mold, an ejector mechanism 300, and a secondary ejector stroke limiting mechanism 400.

[0026] The following is a detailed description of the structure of the new energy battery plunger soft rubber injection molding device.

[0027] The upper mold 100; the lower mold 200 includes a lower template 210 and a mold core 220, the mold core 220 being embedded in the lower template 210, and 96 mold cavities 230 arranged on the mold core 220, the mold cavities 230 extending along the height direction of the mold core; the ejector mechanism 300 includes a first ejector seat 310, forming pillars 320, a second ejector seat 330, and ejector pins 340, the first ejector seat 310 being movably disposed on one side of the lower template 210, the forming pillars 320 having 96 units arranged on the first ejector seat 310, the forming pillars 320 corresponding one-to-one with the mold cavities 230 and partially penetrating the mold cavities 230. The forming column 320 has a forming cavity 321 and an upper ejector channel 322 along its axial direction. The forming cavity 321 is connected to the upper ejector channel 322 and the mold cavity 230. The second ejector seat 330 is movably disposed on one side of the first ejector seat 310. There are 96 ejector pins 340 arranged on the second ejector seat 330. The ejector pins 340 correspond one-to-one with the forming column and are partially inserted into the upper ejector channel 322. The secondary upper ejection stroke limiting mechanism 400 is disposed on the lower mold 200 and is used to move the second ejector seat 330 relative to the first ejector seat 310 to realize the upper ejection of the ejector pins 340.

[0028] Thus, this device, through the array design of 96 mold cavities 230 and forming pillars 320 on the mold core 220, achieves mass synchronous production and significantly improves production efficiency. In addition, the ejector mechanism 300 cooperates with the secondary ejection stroke limiting mechanism 400 to achieve secondary ejection demolding, thereby improving demolding efficiency.

[0029] In some embodiments, the device may include a base plate, with a first ejector seat 310 and a second ejector seat 330 located between the base plate and the lower template 210. A plurality of linear bearings are disposed between the base plate and the lower template 210, and the first ejector seat 310 and the second ejector seat 330 are both sleeved on the linear bearings. Thus, the first ejector seat 310 and the second ejector seat 330 can move axially along the linear bearings.

[0030] In some embodiments, a limiting post is installed on the base plate, and a cylinder is provided on the upper surface of the limiting post along its axial direction. The diameter of the cylinder is smaller than the diameter of the limiting post. The second top material seat 330 is movably sleeved on the limiting post, and the first top material seat 310 is limited and engaged with the limiting post.

[0031] Understandably, the first ejector seat 310 contacts the upper surface of the limiting post, and the cylinder passes through the first ejector seat 310. Thus, when the mold is not closed, the first ejector seat 310 and the second ejector seat 330 maintain a gap.

[0032] In some embodiments, the second top material seat 330 is connected to a drive mechanism, which can be a pneumatic cylinder or a hydraulic cylinder, without specific limitation.

[0033] In this new energy battery plunger soft rubber injection molding device, the injection material solidifies within the mating space of the mold cavity 230 and the molding column 320 during injection molding. After molding, the device opens the mold, and the second ejector seat 330, driven by the first ejector seat 310, moves synchronously towards the mold core 220. At this time, the molding column 320 ejects the molded soft rubber plunger from the mold cavity 230. Subsequently, under the action of the secondary ejection stroke limiting mechanism 400, the first ejector seat 310 stops moving, and the second ejector seat 330, driven by the device, continues to move towards the mold core 220. At this time, the ejector pin 340 passes through the ejection channel 322 until it reaches the molding cavity 321, separating the molded soft rubber plunger from the molding cavity 321, thus completing the secondary ejection stripping. After the secondary ejection stripping is completed, the first ejector seat 310 and the second ejector seat 330 reset.

[0034] like Figures 1 to 4 As shown, in some embodiments, the mold cavity 230 includes a forming section 231 and a through section 232 that are connected. The forming section 231 and the through section 232 are arranged along the height direction of the mold core 220. The through section 232 is close to the first ejector seat 310. The inner bottom wall of the forming section 231 is flush with the upper edge of the forming cavity 321. A portion of the forming column passes through the through section 232.

[0035] Thus, the molding section 231 is used to shape the soft rubber plunger, and the through section 232 is used to ensure the stability of the molding column 320 movement.

[0036] like Figures 1 to 4 As shown, in some embodiments, the aperture of the forming section 231 is larger than the aperture of the through section 232.

[0037] Understandably, during injection molding, the soft rubber material is injected into the space formed by the molding section 231 and the molding cavity 321. Due to the larger diameter of the molding section 231, the material can quickly fill and form the flared structure of the plunger head. The smaller diameter of the through section 232 restricts the radial movement of the molding post 320, ensuring its positional accuracy. After curing, the stepped surface between the molding section 231 and the molding cavity 321 forms a retaining effect on the soft rubber plunger, facilitating the ejector pin 340 to apply force from below for demolding.

[0038] like Figures 1 to 4As shown, in some embodiments, the secondary top stroke limiting mechanism 400 includes a limiting member 410, a limiting pin 420, a movable member 430, and a driving member 440. The limiting member 410 is fixed to the base plate, and an inclined top mating block 411 is provided at the end of the limiting member 410 away from the base plate facing the first top material seat 310. The limiting pin 420 is fixed to the first top material seat 310. The movable member 430 is sleeved on the limiting pin 420 and can move in the second direction. The surface of the movable member 430 away from the first top material seat 310 is provided with a mating inclined surface. The driving member 440 is fixed to the second top material seat 330 and has a plane that mates with the movable member 430.

[0039] The driving member 440 has a plane that mates with the movable member 430. It is understood that the plane of the driving member 440 contacts the movable member 430, thus allowing the second ejector seat 330 to move upward synchronously with the first ejector seat 310 under drive. When the mating ramp of the movable member 430 slides into the ramp fitting block 411, causing the movable member 430 to move towards the interior of the first ejector seat 310, the movable member 430 disengages from the plane of the driving member 440. In this way, the driving member 440's vertical freedom is unrestricted, and the second ejector seat 330 can continue to move towards the mold core 220.

[0040] It is worth noting that a groove is provided on the movable part 430 to cooperate with the limit pin 420. A return spring is provided between the movable part 430 and the first top material seat 310, thus ensuring that the movable part 430 can move in the second direction.

[0041] It is understandable that the first direction corresponds to the X-axis (i.e., the left-right direction) of the spatial coordinate system, the second direction corresponds to the Y-axis (i.e., the front-back direction) of the spatial coordinate system, and the third direction corresponds to the Z-axis (i.e., the up-down direction) of the spatial coordinate system.

[0042] like Figures 1 to 4 As shown, in some embodiments, the limiting member 410 includes a mounting part 412 and two extensions 413. The mounting part 412 is fixed on the first top material seat 310, and the two extensions 413 are spaced apart on the mounting part 412. Each extension 413 is provided with an inclined top mating block 411, and an active space is formed between the two extensions 413. The driving member 440 is located in the active space.

[0043] Understandably, the fact that the drive component 440 is located within the active space helps to limit the lateral degree of freedom of the drive component 440.

[0044] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0045] In the description of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0046] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0047] In the description of this application, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0048] In the embodiments of this application, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0049] The above are merely preferred embodiments of this application and do not constitute any limitation on this application. Any person skilled in the art can make many possible variations and modifications to the technical solution of this application, or modify it into equivalent embodiments, without departing from the scope of the technical solution of this application. Therefore, all equivalent changes made based on the shape, structure, and principle of this application without departing from the content of the technical solution of this application should be covered within the protection scope of this application.

Claims

1. A new energy battery plunger soft rubber injection molding device, characterized in that, The device includes: upper mold; The lower mold that cooperates with the upper mold includes a lower template and a mold core. The mold core is embedded in the lower template and has 96 mold cavities arranged on it, with the mold cavities extending along the height direction of the mold core. The ejector mechanism includes a first ejector seat, forming pillars, a second ejector seat, and ejector pins. The first ejector seat is movably disposed on one side of the lower mold plate. There are 96 forming pillars arranged on the first ejector seat. Each forming pillar corresponds to a mold cavity and partially passes through the mold cavity. Each forming pillar has a forming cavity and an upper ejection channel along its axial direction. The forming cavity is connected to the upper ejection channel and the forming cavity is connected to the mold cavity. The second ejector seat is movably disposed on one side of the first ejector seat. There are 96 ejector pins arranged on the second ejector seat. Each ejector pin corresponds to a forming pillar and partially passes through the upper ejection channel. A secondary upward stroke limiting mechanism is provided on the lower mold to move the second ejector seat relative to the first ejector seat, thereby realizing the upward ejection of the ejector pin.

2. The new energy battery plunger soft rubber injection molding device according to claim 1, characterized in that, The mold cavity includes a connected forming section and a through section. The forming section and the through section are arranged along the height direction of the mold core. The through section is close to the first ejector seat. The inner bottom wall of the forming section is flush with the upper edge of the forming cavity. A portion of the forming column passes through the through section.

3. The new energy battery plunger soft rubber injection molding device according to claim 2, characterized in that, The diameter of the formed section is larger than the diameter of the through section.

4. The new energy battery plunger soft rubber injection molding device according to claim 1, characterized in that, The device includes a base plate; The secondary upward stroke limiting mechanism includes a limiting component, a limiting pin, a movable component, and a driving component. The limiting component is fixed to the base plate, and an inclined top mating block is provided at the end of the limiting component away from the base plate facing the first top material seat. The limiting pin is fixed to the first top material seat, and the movable component is sleeved on the limiting pin. The movable component can move in a second direction, and a mating inclined surface is provided on the surface of the movable component away from the first top material seat. The driving component is fixed to the second top material seat, and the driving component has a plane that mates with the movable component.

5. The new energy battery plunger soft rubber injection molding device according to claim 4, characterized in that, The limiting member includes a mounting part and two extension parts. The mounting part is fixed on the first top material seat. The two extension parts are spaced apart on the mounting part. Each extension part is provided with the inclined top mating block. An active space is formed between the two extension parts. The driving member is located in the active space.

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