Laminating apparatus and laminating device thereof

Abstract

The application relates to a laminating device and laminating equipment thereof, which comprises a pressing plate, a laminating plate and an ejection mechanism. The laminating plate is arranged in pressing connection between the pressing plate and the laminating plate. The ejection mechanism comprises a first elastic member and a second elastic member, and the first elastic member and the second elastic member are arranged in the accommodating space. The first elastic member and the second elastic member can abut to the laminating plate and push the laminating plate away from the pressing plate. The double elastic member structure can provide a large demolding ejection force, and sufficient force is ensured to push out the laminating plate. The ejection mechanism can rapidly act at the moment when the hot press is opened, timely push out and avoid the laminating plate and the pressing plate from being attracted, ensure normal opening height, maintain production continuity and improve production efficiency. The ejection mechanism can reduce manual labor intensity, automatically push out and reduce safety risks without manual labor. The ejection mechanism has high universality, can be integrated on different specifications of pressing plates, does not need to reform the hot press on a large scale, and reduces equipment reform cost.

Description

Technical Field

[0001] This application relates to the field of circuit board manufacturing technology, and in particular to lamination apparatus and lamination equipment. Background Technology

[0002] In the field of printed circuit board (PCB) manufacturing, PCB lamination is a crucial step, as its quality directly affects the performance and reliability of the final PCB product. A common PCB lamination process involves curing FR-4 resin prepreg and copper foil under high temperature and pressure using a hot press. This process ensures that different layers of materials are tightly bonded together, forming a circuit board structure that meets design requirements.

[0003] In related technologies, both the hot plate and the top steel plate of the hot press undergo high-precision grinding, resulting in extremely low surface roughness. Under vacuum lamination conditions, molecular adsorption effects readily occur between the contact surfaces of the hot plate and the top steel plate, which have extremely low surface roughness.

[0004] The molecular adsorption effect causes the top steel plate to adhere tightly to the hot platen during operation at the press opening of the hot press, making it impossible for them to detach. This phenomenon directly leads to production interruptions, severely impacting production efficiency, increasing production cycles and costs, and potentially affecting the quality of already processed products, even resulting in waste of raw materials. This problem urgently needs to be effectively addressed, especially in the PCB manufacturing industry, which demands high production continuity and efficiency. Summary of the Invention

[0005] Based on this, a lamination apparatus and lamination equipment are provided, which can maintain production continuity and improve production efficiency.

[0006] A lamination apparatus for pressing laminates, comprising:

[0007] A laminating plate includes a laminated surface and an accommodating space with an opening provided on the laminated surface for bonding the laminate;

[0008] The system includes an ejection mechanism, comprising a first elastic element and a second elastic element, both of which are disposed within the accommodating space; wherein both the first elastic element and the second elastic element are capable of abutting against the laminate through the opening and ejecting the laminate from the surface of the platen.

[0009] In one embodiment, the first elastic element includes a first spring, and the second elastic element includes a second spring; wherein the second spring is sleeved on the radially outer side of the first spring.

[0010] In one embodiment, the ejection mechanism further includes an ejection base disposed within the accommodating space, wherein the first elastic member and the second elastic member are detachably connected to the pressure plate via the ejection base.

[0011] In one embodiment, the ejector base is threadedly connected to the receiving space.

[0012] In one embodiment, the ejection mechanism further includes an ejector, on which the first elastic member and the second elastic member are both sleeved. The ejector abuts against the laminate, and the first elastic member and the second elastic member push the laminate away from the pressure plate through the ejector.

[0013] In one embodiment, the ejector includes a ball, a first rod, and a second rod connected in sequence. The ball abuts against the laminate, and the second elastic element is sleeved on the first rod, and the first elastic element is sleeved on the second rod.

[0014] In one embodiment, the accommodating space includes a through hole penetrating the pressure plate, and a first baffle is provided on the inner wall of the through hole near the side of the laminate;

[0015] A second baffle is provided on the radial outer side wall of the first rod;

[0016] When the first elastic element and the second elastic element are reset and the ejector is driven away from the through hole, the second baffle abuts against the first baffle.

[0017] In one embodiment, multiple pressure plates and laminates are provided, with each pressure plate having a corresponding laminate on its upper surface in the vertical direction, and the lamination surface being the lower surface of the pressure plate in the vertical direction.

[0018] In one embodiment, the laminate includes a steel plate and a laminate stack, the steel plate covering the laminate stack; wherein the steel plate abuts against the ejection mechanism.

[0019] In one embodiment, the laminating apparatus further includes a drive unit connected to the laminating plate, the drive unit being configured to drive the laminating plate to press against the pressure plate.

[0020] A laminating apparatus, the laminating apparatus comprising a drive mechanism and a laminating device as described in any of the above, the drive mechanism being used to drive the pressure plate to move in order to squeeze or release the ejection mechanism.

[0021] In one embodiment, the laminating equipment is a hot press having a heating system for heating the press plate.

[0022] The aforementioned lamination device and equipment, through the design of a dual-elastic component structure, provide a large ejection force, ensuring sufficient force to eject the laminate. It operates rapidly at the moment the hot press opens, promptly ejecting the laminate and pressure plate to prevent them from sticking together, ensuring a normal opening height, maintaining production continuity, and improving production efficiency. The ejection mechanism reduces manual labor intensity; automatic ejection eliminates the need for manual removal, reducing safety risks. Furthermore, it is highly versatile, integrating with almost all pressure plate specifications without requiring large-scale modifications to the hot press, thus reducing equipment modification costs. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of a lamination device in an exemplary embodiment.

[0024] Figure 2 This is an exploded schematic diagram of a lamination apparatus in an exemplary embodiment.

[0025] Figure 3 This is a top view of a pressure plate in an exemplary embodiment.

[0026] Figure 4 for Figure 3 The diagram shows the AA section.

[0027] Figure 5 for Figure 4 The enlarged schematic diagram at point B is shown.

[0028] Figure label:

[0029] 1. Pressure plate; 11. Accommodating space; 111. First baffle; 12. Lamination surface; 13. Opening; 2. Lamination plate; 21. Steel plate; 22. Lamination stack; 3. Ejection mechanism; 31. First elastic element; 311. First spring; 32. Second elastic element; 321. Second spring; 33. Ejection base; 34. Ejector; 341. Ball; 342. First rod; 3421. Second baffle; 343. Second rod; 4. Drive unit. Detailed Implementation

[0030] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the 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.

[0031] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and 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, and therefore should not be construed as a limitation of this application.

[0032] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0033] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "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, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0034] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via 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. Similarly, "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.

[0035] 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.

[0036] In some exemplary embodiments, such as Figures 1-5 As shown, a lamination apparatus is used to press a laminate 2. The laminate 2 includes, for example, a steel plate 21 and a laminate stack 22. The steel plate 21 covers the laminate stack 22, and plays a key lamination role during the operation of the lamination apparatus. On the one hand, the steel plate 21 provides rigid support for the top layer of the laminate stack 22, ensuring that the laminate stack 22 can maintain a stable shape and structure under pressure. On the other hand, during the pressing process, the steel plate 21 can effectively transfer the heat and pressure generated by the lamination apparatus, allowing the laminate stack 22 to undergo curing and other reactions under suitable temperature and pressure conditions, thereby achieving a good lamination effect.

[0037] The lamination device includes a pressure plate 1 and an ejection mechanism 3. The pressure plate 1 includes a lamination surface 12 and an accommodating space 11 with an opening 13 disposed on the lamination surface 11. The lamination surface 12 is used to adhere the lamination plate 2.

[0038] The pressure plate 1 and the laminate 2 can be connected by a pressing method. When the laminating device is working, the laminate 2 is pressed tightly onto the pressure plate 1 by an external pressure application device (not shown in the figure), so that good contact is formed between the two, ensuring that heat and pressure can be transferred efficiently to complete the lamination process.

[0039] The accommodating space 11 is used to accommodate the ejector mechanism 3. By placing the ejector mechanism 3 within the accommodating space 11, the stability of the ejector mechanism 3 can be effectively improved, preventing it from shaking or shifting during the operation of the laminating device, thereby ensuring the accuracy and reliability of the ejection operation. The number of accommodating spaces 11 can be set according to actual needs. For example, only one accommodating space 11 can be set, in which case the entire ejector mechanism 3 is placed within this accommodating space 11; alternatively, multiple accommodating spaces 11 can be set, which can be evenly distributed on the pressure plate 1. This arrangement allows for ejection of the laminate 2 from multiple positions, further improving the ejection effect and enabling the laminate 2 to separate from the pressure plate 1 more evenly and smoothly.

[0040] The ejection mechanism 3 includes a first elastic element 31 and a second elastic element 32, both of which are disposed within the accommodating space 11. Both the first elastic element 31 and the second elastic element 32 can abut against the laminate 2 through the opening 13 and eject the laminate 2 from the lamination surface 12.

[0041] First Example

[0042] The ejection mechanism 3 employs a double-spring structure to provide a rebound capability for achieving the ejection function. For example, the first elastic element 31 includes a first spring 311, and the second elastic element 32 includes a second spring 321. The second spring 321 is sleeved on the radially outer side of the first spring 311, thereby giving the ejection mechanism 3 a rebound capability.

[0043] When the laminating device is in normal compression, both the first spring 311 and the second spring 321 are compressed. At this time, due to the deformation caused by the external force, the springs store a certain amount of elastic potential energy according to Hooke's law.

[0044] After the lamination process is completed according to the preset procedure, the laminate 2 and the pressure plate 1 need to be separated. At this time, the first spring 311 and the second spring 321 begin to release the previously stored elastic potential energy and convert it into elastic force. These two springs can simultaneously abut against the bottom of the steel plate 21 of the laminate 2 through the opening 13. As the elastic potential energy continues to be released, the elastic force gradually increases. Under the action of the elastic force, the laminate 2 is subjected to a pushing force. When this force overcomes the adhesion between the laminate 2 and the pressure plate 1 caused by molecular adsorption and other reasons, the laminate 2 will be gradually pushed away from the pressure plate 1, and finally the laminate 2 and the pressure plate 1 will be successfully separated. This process effectively avoids the problem of the laminate 2 and the pressure plate 1 being stuck together due to molecular adsorption and other reasons, greatly improves production efficiency, ensures product quality, and reduces product damage that may be caused by production interruption and forced separation.

[0045] By rationally designing the parameters of the first spring 311 and the second spring 321, such as the spring material, diameter, pitch, and elastic coefficient, the elastic force characteristics of the springs can be precisely controlled. Generally, springs made of different materials have different elastic limits and fatigue lives. Selecting a suitable material can ensure that the spring maintains stable performance during long-term use. The diameter and pitch of the spring affect its stiffness and deformation. By adjusting these parameters, the spring can produce appropriate deformation under different pressures. The elastic coefficient directly determines the magnitude of the spring force. Rationally designing the elastic coefficients of the inner and outer springs allows them to work synergistically, providing a greater ejection force than a single spring. This ensures that when the hot press is opened, regardless of the weight and size of the laminate 2, there is sufficient force to eject it, thereby improving the versatility and reliability of the lamination device.

[0046] In practical applications, the model, specifications, and quantity of the first elastic element 31 and the second elastic element 32 need to be rationally selected based on factors such as the specific specifications of the laminating device, the weight of the laminate 2, and the production process requirements. For example, for large laminating devices or heavy laminates 2, it may be necessary to select springs with larger diameters and higher elastic coefficients, and appropriately increase the number of springs to ensure that the ejection mechanism 3 can provide sufficient ejection force to meet production needs. For small laminating devices or lighter laminates 2, relatively smaller springs can be selected to reduce costs and space requirements.

[0047] Second example

[0048] The first elastic element 31 and the second elastic element 32 can be provided with the push-out force of the laminate 2 by means of spring sheets (not shown in the figure). In this structural form, the spring sheets are usually made of metal materials with certain elasticity and toughness, such as spring steel, to ensure that they can return to their original shape after being deformed by force and continuously provide stable elastic force.

[0049] During the assembly of the laminating device, the spring sheets used by the first elastic element 31 and the second elastic element 32 are installed at the corresponding positions on the pressure plate 1. One end of the spring sheet is fixed in the accommodating space 11 of the pressure plate 1, and the other end is a free end, which can contact the bottom of the steel plate 21 of the laminating plate 2 through the opening 13.

[0050] When the laminating device is in the pressing state, the laminating plate 2 is pressed downward under the action of external pressure, and fits tightly against the pressure plate 1. At this time, the spring sheet is subjected to the pressure of the laminating plate 2, and its free end will undergo elastic deformation, bending towards the fixed end. During this process, the spring sheet stores elastic potential energy.

[0051] After the lamination process is completed, the laminate 2 and the pressure plate 1 need to be separated. As the external pressure is removed, the spring sheet begins to release its stored elastic potential energy, and its free end generates an elastic force. The spring sheets used by the first elastic element 31 and the second elastic element 32 act simultaneously, and this elastic force acts on the steel plate 21 of the laminate 2. As the elastic potential energy of the spring sheet continues to be released, the elastic force gradually increases. When the elastic force is sufficient to overcome the adhesion between the laminate 2 and the pressure plate 1, it will push the laminate 2 upward, causing it to gradually separate from the pressure plate 1, and finally achieve smooth demolding.

[0052] The spring sheet has a relatively simple structure and occupies little space, which is a significant advantage in lamination devices with strict space layout requirements. Furthermore, by rationally designing the shape, size, and thickness of the spring sheet, the elastic force and deformation characteristics can be precisely adjusted to meet the ejection requirements of laminates 2 of different specifications. For example, for thinner laminates 2, a thinner spring sheet with a lower elastic modulus can be selected to avoid excessive ejection force causing damage to the laminate 2; while for thicker laminates 2, a thicker spring sheet with a higher elastic modulus can be selected to ensure sufficient ejection force.

[0053] In practical applications, it is also necessary to rationally select the model, specifications, and quantity of spring clips based on the specific conditions of the laminating device, such as the size of the pressure plate 1, the weight and material of the laminating plate 2, etc. The most suitable combination of spring clip parameters can be determined through experiments and simulation calculations to ensure that the ejector mechanism 3 can work stably and reliably, thereby improving the overall performance and production efficiency of the laminating device.

[0054] The lamination device provided in this embodiment, through its dual elastic element structure, provides a large ejection force, ensuring sufficient force to eject the laminate 2. It moves rapidly at the moment the hot press opens, promptly ejecting the laminate 2 and pressure plate 1 to prevent them from sticking together, ensuring a normal opening height, maintaining production continuity, and improving production efficiency. The ejection mechanism 3 reduces manual labor intensity; automatic ejection eliminates the need for manual removal, reducing safety risks. Furthermore, it is highly versatile, integrating with almost all sizes of pressure plates 1 without requiring large-scale modifications to the hot press, thus reducing equipment modification costs.

[0055] In some exemplary embodiments, such as Figures 1-5 As shown, the ejection mechanism 3 also includes an ejection base 33 disposed in the accommodating space 11. The first elastic member 31 and the second elastic member 32 are detachably connected to the pressure plate 1 through the ejection base 33.

[0056] The ejector base 33 plays a supporting and adjusting role in the ejector mechanism 3. It can support the first elastic element 31 and the second elastic element 32, and can easily adjust the position of the first elastic element 31 and the second elastic element 32, thereby realizing the adjustment of the compression amount of the first elastic element 31 and the second elastic element 32.

[0057] First Example

[0058] In this example, the accommodating space 11 is, for example, a groove formed in the pressure plate 1. In order to enable the ejector base 33 to move and be positioned flexibly within the accommodating space 11, a groove (not shown in the figure) is provided on the inner wall of the groove, and a slider (not shown in the figure) that matches the groove is provided on the ejector base 33. The ejector base 33 is slidably connected to the groove of the accommodating space 11 through the slider, so that the ejector base 33 can slide smoothly along the direction of the groove within the accommodating space 11.

[0059] To meet the compression requirements of the first elastic element 31 and the second elastic element 32 under different usage scenarios, the ejector base 33 can be prefabricated with multiple structural components of different heights. In actual use, the operator can select an appropriate ejector base 33 from the multiple ejector bases 33 of different heights and install it into the accommodating space 11 according to the specific usage scenario. For example, when a larger ejection force is required, a higher ejector base 33 can be selected, so that the first elastic element 31 and the second elastic element 32 have a larger compression after installation; conversely, when a smaller ejection force is required, a lower ejector base 33 can be selected.

[0060] The first elastic element 31 and the second elastic element 32 can be fixed to the ejector base 33 by means of snap-fit ​​or other methods. For example, a slot can be provided on the ejector base 33, and a buckle adapted to the slot can be provided at the end of the first elastic element 31 and the second elastic element 32. The first elastic element 31 and the second elastic element 32 can be fixedly connected to the ejector base 33 by snapping the buckle into the slot. This snap-fit ​​method has the advantages of convenient installation and disassembly, and a firm connection, which facilitates the replacement and maintenance of the first elastic element 31 and the second elastic element 32 during actual use.

[0061] Second example

[0062] The accommodating space 11 can be a groove or a through hole formed in the pressure plate 1, and the specific form can be determined according to actual needs. In order to achieve a reliable connection and convenient adjustment between the ejector base 33 and the accommodating space 11, an internal thread is provided on the inner wall of the accommodating space 11, and an external thread matching the internal thread is provided on the outer wall of the ejector base 33. The ejector base 33 is fixed to the accommodating space 11 by means of threaded connection.

[0063] When it is necessary to adjust the compression of the first elastic element 31 and the second elastic element 32, the operator can do so by rotating the ejector base 33. Since the ejector base 33 is threadedly connected to the receiving space 11, rotating the ejector base 33 will cause it to move within the receiving space 11 along the direction of the thread, thereby changing the positions of the first elastic element 31 and the second elastic element 32. As the positions of the first elastic element 31 and the second elastic element 32 change, their compression will also change accordingly. For example, when the ejector base 33 is rotated clockwise, it will move inward into the receiving space 11, reducing the compression of the first elastic element 31 and the second elastic element 32, and consequently reducing the ejection force. Conversely, when the ejector base 33 is rotated counterclockwise, it will move outward from the receiving space 11, further compressing the first elastic element 31 and the second elastic element 32, increasing the compression, and consequently increasing the ejection force. In this way, the operator can precisely adjust the magnitude of the ejection force according to actual needs.

[0064] The laminating device provided in this embodiment has an ejector base 33 that can adjust the position of the first elastic element 31 and the second elastic element 32 to adjust their compression amount, thereby adjusting the ejection force of the first elastic element 31 and the second elastic element 32, improving the flexibility and adaptability of the ejector mechanism 3.

[0065] In some exemplary embodiments, such as Figures 1-5 As shown, the ejection mechanism 3 also includes an ejector 34, on which the first elastic member 31 and the second elastic member 32 are both sleeved. For example, the ejector 34 has a columnar structure with a suitable diameter and length, and space is reserved on its outer surface for the first elastic member 31 and the second elastic member 32 to be sleeved.

[0066] One end of the ejector 34 abuts against the laminate 2. During installation, the end of the ejector 34 with the elastic element is placed in the preset receiving space 11 on the pressure plate 1, so that the other end of the ejector 34 contacts the surface of the laminate 2, ensuring that the ejector 34 can stably transmit the elastic force of the elastic element.

[0067] When it is necessary to eject the laminate 2, the first elastic member 31 and the second elastic member 32, under the action of their own elastic force, transmit the force to the laminate 2 through the ejector 34, thereby ejecting the laminate 2 away from the pressure plate 1.

[0068] By using the ejector 34 to eject the laminate 2, the overall height of the ejector mechanism 3 is increased, allowing the first elastic element 31 and the second elastic element 32 to remain within the accommodating space 11 of the pressure plate 1 without needing to be moved to the outside. The accommodating space 11 is typically a structure such as a groove or hole formed on the pressure plate 1 through machining, and its shape and size are adapted to the ejector mechanism 3.

[0069] On the other hand, the accommodating space 11 can provide a certain limiting effect on the first elastic element 31 and the second elastic element 32. During the compression process of the first elastic element 31 and the second elastic element 32, due to the constraint of the inner wall of the accommodating space 11, they can be ensured to move or compress along a predetermined direction, effectively preventing the first elastic element 31 and the second elastic element 32 from shifting or tilting during compression. If the elastic elements shift or tilt during compression, it will lead to uneven distribution of ejection force, affecting the ejection effect, and may even damage the laminate 2 and the pressure plate 1.

[0070] In this embodiment, the cooperation between the ejector 34 and the accommodating space 11 ensures the stability and reliability of the ejection process, thereby improving product quality and production efficiency.

[0071] In this embodiment, as Figures 1-5 As shown, in order to avoid damage to the laminate 2 during the ejection process, the ejector 34 adopts a multi-segment structure design. For example, the ejector 34 includes a ball 341, a first rod 342 and a second rod 343 connected in sequence.

[0072] The sphere 341 is located at the very top of the ejector 34, directly abutting against the laminate 2. The sphere 341 has a smooth surface, a design that greatly reduces friction between the sphere 341 and the laminate 2. During ejection, when the ejector 34 applies an ejection force to the laminate 2, the smooth surface of the sphere 341 allows the laminate 2 to be smoothly lifted, effectively avoiding scratches, wear, and other damage caused by friction, thus ensuring the quality and integrity of the laminate 2.

[0073] The first rod 342 and the second rod 343 are connected sequentially below the sphere 341. The outer diameter of the first rod 342 is larger than that of the second rod 343. This differentiated design is to better accommodate the installation and performance requirements of the first elastic element 31 and the second elastic element 32.

[0074] The second elastic element 32 is sleeved on the first rod 342. To ensure a stable connection between the second elastic element 32 and the first rod 342, an interference fit is used. The interference fit allows the second elastic element 32 to be tightly fixed on the first rod 342 after installation. During the operation of the ejection mechanism 3, even if subjected to a large elastic force, the second elastic element 32 will not easily loosen or shift, thus ensuring the stable transmission of the ejection force.

[0075] The first elastic element 31 is sleeved on the second rod 343. Similarly, the first elastic element 31 and the second rod 343 are also interference-fitted. This fit ensures the stability of the first elastic element 31 on the second rod 343, allowing the first elastic element 31 to accurately exert its elastic effect during the ejection process, providing reliable power support for ejecting the laminate 2.

[0076] In this embodiment, the segmented structural design improves safety during ejection and extends the service life of the laminating device. When ejection is required, the first elastic element 31 and the second elastic element 32 begin to return to their original position under their own elastic force. Since the second elastic element 32 is sleeved on the first rod 342 and the first elastic element 31 is sleeved on the second rod 343, and they are securely connected to the ejector 34 through an interference fit, the elastic force of the elastic elements can be effectively transmitted to the ejector 34. The ejector 34 moves under the action of the elastic force, and the ball 341 at its top abuts against and pushes the laminate 2, smoothly ejecting the laminate 2 away from the pressure plate 1, ensuring the stability and reliability of the ejection process.

[0077] In this embodiment, as Figures 1-5 As shown, the pressure plate 1 is provided with a through hole, which is configured as an accommodating space 11 and an opening 13, so that the ejection mechanism 3 can be installed and moved in the thickness direction of the pressure plate 1. Among them, a first baffle 111 is provided on the inner wall of the through hole and on the side near the opening 13. The first baffle 111 can be a protrusion protruding from the inner wall of the accommodating space 11, or it can be a ring-shaped plate.

[0078] A second baffle 3421 is provided on the radial outer side wall of the first rod 342. The second baffle 3421 may be a protrusion protruding from the surface of the first rod 342 or a ring-shaped plate, and corresponds to the first baffle 111. The first baffle 111 cooperates with the second baffle 3421 on the ejector 34 to limit the movement stroke of the ejector 34.

[0079] During the movement of the ejector 34, when the first elastic element 31 and the second elastic element 32 reset and drive the ejector 34 away from the through hole, the second baffle 3421 will gradually approach the first baffle 111. Since the first baffle 111 and the second baffle 3421 overlap along the axial direction of the ejector 34, when the ejector 34 continues to move to a certain position, the second baffle 3421 abuts against the first baffle 111. At this time, the first baffle 111 generates a reaction force on the second baffle 3421, preventing the ejector 34 from moving further, thereby limiting the stroke of the ejector 34, preventing the ejector 34 from coming out of the through hole, and ensuring the stability and reliability of the ejection mechanism 3.

[0080] The baffle in this embodiment can further improve the stability of the ejection mechanism 3, prevent it from detaching from the pressure plate 1, and ensure that the hot pressing process proceeds normally.

[0081] In some exemplary embodiments, such as Figures 1-5 As shown, multiple pressure plates 1 and laminates 2 are provided. Each pressure plate 1 has a corresponding laminate 2 on its upper surface in the vertical direction. The lamination surface 12 is the lower surface of the pressure plate 1 in the vertical direction, which enables multiple laminates 2 to be heat-pressed simultaneously in a limited space, greatly improving production efficiency and making it suitable for large-scale production of laminated products.

[0082] In this embodiment, as Figures 1-5 As shown, the laminating device also includes a drive unit 4, which is connected to the laminating plate 2. The drive unit 4 is configured to drive the laminating plate 2 to press against the pressure plate 1, ensuring that a stable and sufficient pressure can be formed between the laminating plate 2 and the pressure plate 1 during the hot pressing process, thereby guaranteeing the quality of the laminated product. The drive unit 4, for example, is a hydraulic cylinder, which has advantages such as large output force, smooth movement, and high control precision, enabling it to provide stable and sufficient pressure to the laminating plate 2.

[0083] The laminating device provided in this application adopts a double elastic element structure, which can provide greater ejection force and ensure that there is sufficient force to eject the laminate 2 when the hot press is opened, so as to meet the ejection requirements of laminates 2 of different specifications and enhance the versatility and reliability of the laminating device.

[0084] At the moment the hot press opens, the ejector mechanism 3 moves quickly to eject the laminate 2, so that the laminate 2 and the pressure plate 1 are separated in time, avoiding the suction phenomenon caused by the high surface adhesion, ensuring the normal opening height of the press, not affecting the reloading, maintaining the continuity of the production process, and significantly improving production efficiency.

[0085] The ejection mechanism 3 automatically ejects the laminate 2, eliminating the need for manual labor and greatly reducing the labor intensity of workers. It also reduces the safety risks that may arise from manual removal of the laminate, thereby improving the safety of the production process.

[0086] The ejector mechanism 3 is highly versatile and can be integrated into any size pressure plate 1 without requiring large-scale modifications to the hot press, thus reducing equipment modification costs. Furthermore, the type, specifications, and quantity of elastic components can be rationally selected based on the laminating device specifications, laminating plate weight, and process requirements, further enhancing its versatility.

[0087] Multiple pressure plates 1 and laminates 2 are pressed and stacked alternately in sequence, which can achieve simultaneous hot pressing of multiple laminates 2 in a limited space. This is suitable for large-scale production of laminated products and improves production efficiency.

[0088] This application also provides a lamination apparatus, including a drive mechanism (not shown in the figure) and a lamination device as described in any of the above embodiments. The drive mechanism is used to drive the pressure plate 1 to move so as to squeeze or release the ejection mechanism 3. The drive mechanism can take various forms, such as hydraulic drive, pneumatic drive, or electric drive, depending on the actual situation.

[0089] In this embodiment, the laminating equipment is a hot press, which has a heating system (not shown in the figure). The heating system is used to heat the pressure plate 1 to provide the heat required for hot pressing. Temperature sensors can also be installed to monitor the temperature and keep it within the set hot pressing temperature range to avoid temperature deviations that could affect the hot pressing effect. The specific method depends on the actual situation.

[0090] In this embodiment, the lamination equipment, through the configuration of a drive mechanism, a lamination device, and a heating system, achieves automated hot pressing of the workpiece, offering advantages such as uniform heating, stable lamination quality, and convenient operation. By selecting different types of drive mechanisms and heating systems, and by precisely controlling parameters such as hot pressing temperature, pressure, and time, the lamination production needs of different materials can be met.

[0091] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0092] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A lamination apparatus for pressing laminates, characterized in that, include: A laminating plate includes a laminated surface and an accommodating space with an opening provided on the laminated surface for bonding the laminate; The system includes an ejection mechanism, comprising a first elastic element and a second elastic element, both of which are disposed within the accommodating space; wherein both the first elastic element and the second elastic element are capable of abutting against the laminate through the opening and ejecting the laminate from the laminate surface.

2. The laminating apparatus according to claim 1, characterized in that, The first elastic element includes a first spring, and the second elastic element includes a second spring; wherein the second spring is sleeved on the radially outer side of the first spring.

3. The laminating apparatus according to claim 1, characterized in that, The ejection mechanism further includes an ejection base disposed within the accommodating space, and both the first elastic member and the second elastic member are detachably connected to the pressure plate via the ejection base.

4. The laminating apparatus according to claim 3, characterized in that, The ejector base is threadedly connected to the accommodating space.

5. The laminating apparatus according to claim 1, characterized in that, The ejection mechanism further includes an ejector, on which the first elastic member and the second elastic member are both sleeved. The ejector abuts against the laminate, and the first elastic member and the second elastic member push the laminate away from the pressure plate through the ejector.

6. The laminating apparatus according to claim 5, characterized in that, The ejector includes a ball, a first rod, and a second rod connected in sequence. The ball abuts against the laminate. The second elastic element is sleeved on the first rod, and the first elastic element is sleeved on the second rod.

7. The laminating apparatus according to claim 6, characterized in that, The accommodating space includes a through hole penetrating the pressure plate, and a first baffle is provided on the inner wall of the through hole near the side of the laminate. A second baffle is provided on the radial outer side wall of the first rod; When the first elastic element and the second elastic element are reset and the ejector is driven away from the through hole, the second baffle abuts against the first baffle.

8. The laminating apparatus according to claim 1, characterized in that, Multiple pressure plates and laminates are provided, with each pressure plate having a corresponding laminate on its upper vertical surface, and the lamination surface being the lower vertical surface of the pressure plate.

9. The laminating apparatus according to claim 1, characterized in that, The laminate includes a steel plate and a laminate stack, with the steel plate covering the laminate stack; wherein the steel plate abuts against the ejection mechanism.

10. The laminating apparatus according to claim 1, characterized in that, The laminating device further includes a driving unit connected to the laminating plate, the driving unit being configured to drive the laminating plate to press against the pressure plate.

11. A lamination device, characterized in that, The laminating equipment includes a drive mechanism and a laminating device according to any one of claims 1-10, wherein the drive mechanism is used to drive the pressure plate to move so as to squeeze or release the ejection mechanism.

12. The laminating apparatus according to claim 11, characterized in that, The laminating equipment is a hot press, which has a heating system for heating the press plate.

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