PB oven for uniform baking of copper foil PR glue
By adopting a sealed cover structure in the PB oven, the problem of heat loss caused by deformation of the connecting parts is solved, achieving efficient sealing and energy saving of the oven.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI ESWIN MATERIALS TECH CO LTD
- Filing Date
- 2025-08-15
- Publication Date
- 2026-07-03
AI Technical Summary
After prolonged use, the internal connecting parts of existing PB ovens deform, resulting in poor sealing, heat loss, and reduced energy efficiency.
A PB oven for uniform baking of copper foil PR adhesive was designed. It adopts a sealed cover structure, including components such as a sealing rubber frame, insert block, clamping plate and torsion spring, to ensure that the cover fits tightly when closed, enhances the sealing performance and reduces heat loss.
The improved sealing structure enhances the oven's airtightness, maintains stable internal temperature, reduces energy consumption, and improves the oven's energy efficiency.
Smart Images
Figure CN224443635U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of oven technology, and in particular to a PB oven for uniform baking of copper foil PR adhesive. Background Technology
[0002] Industrial ovens are devices used in industrial production to heat, dry, cure, and bake materials. They are widely used in many industries such as electronics, chemicals, food, pharmaceuticals, hardware, and automobiles. If a specific process is required, such as baking copper foil PR adhesive, a precision industrial oven that supports hot air circulation and multi-stage temperature control should be selected first. The inner liner and air duct design should be customized according to the size of the copper foil to ensure uniform curing of the adhesive layer.
[0003] In the existing technology, during the use of PB ovens, the oven interior will have a high temperature. After prolonged use, the internal connecting parts will deform, affecting the tightness of the connection, which will affect the sealing effect of the oven, leading to heat loss, excessive energy consumption, and affecting the energy-saving effect of PB ovens. Utility Model Content
[0004] The purpose of this invention is to solve the problem that in the use of PB ovens, the internal temperature of the oven is high, and after a long period of use, the internal connecting parts will deform, affecting the tightness of the connection, which will affect the sealing effect of the oven, leading to heat loss, excessive energy consumption, and affecting the energy-saving effect of the PB oven. The invention proposes a PB oven for uniform baking of copper foil PR adhesive.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A PB oven for uniform baking of copper foil PR adhesive includes an oven body with an internal partition, multiple heating plates, and a support guide. A product conveyor belt is slidably mounted on the inner wall of the support guide. Rectangular openings are respectively provided on both sides of the oven body, and the two ends of the product conveyor belt extend through the rectangular openings to the outer side of the oven body. A connecting frame is fixedly connected to the side wall of the oven body, and multiple hinge seats are fixedly connected to the side wall of the connecting frame. Sealing covers are hinged inside the multiple hinge seats, and the side walls of the multiple sealing covers are respectively clamped onto the multiple openings of the connecting frame.
[0007] Preferably, each of the plurality of sealing covers has a rectangular slot on one side of the oven body, and a sealing rubber frame is fixedly connected to each of the plurality of sealing covers inside the rectangular slot.
[0008] Preferably, the bottom of each of the multiple sealing covers is fixedly connected with an insert block, and multiple slots are provided on the side wall of the connecting frame, with the insert block inserted into the inner wall of the slot.
[0009] Preferably, the insert has a recess inside, and a fixing rod is fixedly connected to the insert inside the recess. A retaining plate and a torsion spring are movably sleeved on the wall of the fixing rod. One end of the torsion spring is fixedly connected to the inner wall of the retaining plate, and the other end of the torsion spring is fixedly connected to the inner wall of the insert. A slot is provided inside the connecting frame, and the retaining plate is clamped inside the slot.
[0010] Preferably, a pull rope is fixedly connected to the side wall of the card plate, and the end of the pull rope opposite to the card plate extends to the outside of the sealing cover and is fixedly connected to a pull ring.
[0011] Preferably, an anti-slip rubber pad is fixedly connected to the end of the card plate, and the side wall of the anti-slip rubber pad is pressed against the inner wall of the card slot.
[0012] Compared with the prior art, this utility model provides a PB oven for uniform baking of copper foil PR adhesive, which has the following beneficial effects:
[0013] 1. This PB oven for uniform baking of copper foil PR adhesive has multiple openings on the connecting frame on the side wall of the oven body. The sealing cover plate, which is hinged to the hinge seat, can cover the openings for oven maintenance or observation. The sealing rubber frame in the rectangular groove of the sealing cover plate fits tightly with the connecting frame when the cover plate is closed, enhancing the sealing performance, reducing heat loss, and ensuring stable internal temperature of the oven.
[0014] 2. This PB oven for uniform baking of copper foil PR adhesive uses a plug at the bottom of the sealing cover to be inserted into the slot of the connecting frame to achieve initial positioning of the cover. A retaining plate and a torsion spring are fitted on the fixing rod in the recess of the plug. When the cover is closed, the retaining plate is clamped in the slot of the connecting frame under the elastic force of the torsion spring, firmly fixing the sealing cover. The anti-slip rubber pad at the end of the retaining plate is pressed against the inner wall of the slot to increase friction and prevent the cover from loosening.
[0015] 3. This PB oven for uniform baking of copper foil PR adhesive allows the cover plate to rotate around the hinge seat by pulling the pull ring on the outside of the sealing cover, which in turn drives the clamping plate to compress the torsion spring through the pull rope. This makes the clamping plate disengage from the slot. When closing, insert the insert block into the slot, release the pull ring, and the clamping plate will automatically snap into the slot under the action of the torsion spring, thus completing the sealing and fixing. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of a PB oven for uniform baking of copper foil PR adhesive proposed in this utility model;
[0017] Figure 2This is a partial structural cross-sectional view of a PB oven for uniform baking of copper foil PR adhesive proposed in this utility model.
[0018] Figure 3 for Figure 2 A magnified schematic diagram of part A in the middle section.
[0019] In the diagram: 1 Oven body, 2 Partition, 3 Heating plate, 4 Support guide, 5 Product conveyor belt, 6 Connecting frame, 7 Hinge seat, 8 Sealing cover, 9 Sealing rubber frame, 10 Insert block, 11 Fixing rod, 12 Card plate, 13 Torsion spring, 14 Pull rope, 15 Pull ring, 16 Anti-slip rubber pad. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0021] Reference Figure 1-3 A PB oven for uniform baking of copper foil PR adhesive includes an oven body 1, an internal partition 2, multiple heating plates 3, a support guide 4, a product conveyor belt 5 slidably mounted on the inner wall of the support guide 4, rectangular openings on both sides of the oven body 1, the two ends of the product conveyor belt 5 extending through the rectangular openings to the outside of the oven body 1, a connecting frame 6 fixedly connected to the side wall of the oven body 1, multiple hinge seats 7 fixedly connected to the side wall of the connecting frame 6, sealing covers 8 hinged inside the multiple hinge seats 7, and the side walls of the multiple sealing covers 8 clamping onto the multiple openings of the connecting frame 6.
[0022] Multiple sealing covers 8 are provided with rectangular slots on one side of the oven body 1, and sealing rubber frames 9 are fixedly connected to the interior of the rectangular slots of the multiple sealing covers 8.
[0023] Multiple sealing covers 8 are fixedly connected to the bottom of each insert block 10. Multiple slots are provided on the side wall of the connecting frame 6. The insert block 10 is inserted into the inner wall of the slot. A notch is provided inside the insert block 10. A fixing rod 11 is fixedly connected inside the notch of the insert block 10. A retaining plate 12 and a torsion spring 13 are movably sleeved on the rod wall of the fixing rod 11. One end of the torsion spring 13 is fixedly connected to the inner wall of the retaining plate 12, and the other end of the torsion spring 13 is fixedly connected to the inner wall of the insert block 10. A slot is provided inside the connecting frame 6, and the retaining plate 12 is clamped inside the slot.
[0024] The oven body 1 serves as a closed space for baking. Multiple heating plates 3 inside generate heat when powered on, providing a stable heat source for baking copper foil PR adhesive. The partition 2 can divide the interior of the oven into different areas to optimize heat distribution. The product conveyor belt 5, which slides on the support guide 4, passes through the rectangular openings on both sides of the oven body 1 to move the copper foil inside the oven, achieving continuous baking.
[0025] The connecting frame 6 on the side wall of the oven body 1 has multiple openings. The sealing cover 8 hinged to the hinge seat 7 can cover the openings for oven maintenance or observation. The sealing rubber frame 9 in the rectangular groove of the sealing cover 8 fits tightly with the connecting frame 6 when the cover is closed, enhancing the sealing performance, reducing heat loss, and ensuring stable internal temperature of the oven.
[0026] The insert 10 at the bottom of the sealing cover 8 is inserted into the slot of the connecting frame 6 to achieve the initial positioning of the cover. The fixing rod 11 in the recess of the insert 10 is fitted with a clamping plate 12 and a torsion spring 13. When the cover is closed, the clamping plate 12 is clamped in the slot of the connecting frame 6 under the elastic force of the torsion spring 13, which firmly fixes the sealing cover 8. The anti-slip rubber pad 16 at the end of the clamping plate 12 is pressed against the inner wall of the slot to increase friction and prevent the cover from loosening.
[0027] For ease of operation, such as Figure 1-3 As shown, a pull rope 14 is fixedly connected to the side wall of the card plate 12. One end of the pull rope 14 away from the card plate 12 extends to the outside of the sealing cover plate 8 and is fixedly connected to a pull ring 15. An anti-slip rubber pad 16 is fixedly connected to the end of the card plate 12. The side wall of the anti-slip rubber pad 16 is pressed against the inner wall of the card slot.
[0028] When it is necessary to open the sealing cover 8, pull the pull ring 15 on the outside of the sealing cover 8. The pull rope 14 drives the clamping plate 12 to compress the torsion spring 13, so that the clamping plate 12 is disengaged from the slot. Then the cover can be rotated around the hinge seat 7. The operation is convenient. When closing, insert the insert block 10 into the slot, release the pull ring 15, and the clamping plate 12 will automatically snap into the slot under the action of the torsion spring 13 to complete the sealing and fixing.
[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A PB oven for uniform baking of copper foil PR glue, comprising an oven box (1), characterized in that: The oven body (1) is provided with a partition (2) inside. The oven body (1) is provided with multiple heating plates (3) inside. The oven body (1) is provided with a support guide (4) inside. The inner wall of the support guide (4) is provided with a product conveyor belt (5). The oven body (1) has rectangular openings on both sides. The two ends of the product conveyor belt (5) extend through the rectangular openings to the outside of the oven body (1). A connecting frame (6) is fixedly connected to the side wall of the oven body (1). Multiple hinge seats (7) are fixedly connected to the side wall of the connecting frame (6). Sealing covers (8) are hinged inside the multiple hinge seats (7). The side walls of the multiple sealing covers (8) are respectively clamped onto the multiple openings of the connecting frame (6).
2. The PB oven for uniform baking of PR glue for copper foil according to claim 1, characterized in that: Each of the sealing covers (8) has a rectangular slot on one side of the oven body (1), and each of the sealing covers (8) is fixedly connected to a sealing rubber frame (9) inside the rectangular slot.
3. The PB oven for uniform baking of PR glue for copper foil according to claim 1, characterized in that: The bottom of each of the sealing covers (8) is fixedly connected with a plug (10), and the side wall of the connecting frame (6) is provided with a plurality of slots, and the plug (10) is inserted into the inner wall of the slot.
4. The PB oven for uniform baking of PR glue for copper foil according to claim 3, characterized in that: The insert (10) has a notch inside, and a fixing rod (11) is fixedly connected inside the notch. A clamping plate (12) and a torsion spring (13) are movably sleeved on the wall of the fixing rod (11). One end of the torsion spring (13) is fixedly connected to the inner wall of the clamping plate (12), and the other end of the torsion spring (13) is fixedly connected to the inner wall of the insert (10). A slot is opened inside the connecting frame (6), and the clamping plate (12) is clamped inside the slot.
5. The PB oven for uniform baking of PR glue for copper foil according to claim 4, characterized in that: A pull rope (14) is fixedly connected to the side wall of the card plate (12). The end of the pull rope (14) away from the card plate (12) extends to the outside of the sealing cover plate (8) and is fixedly connected to a pull ring (15).
6. A PB oven for uniform baking of copper foil PR adhesive according to claim 4, characterized in that: The end of the card plate (12) is fixedly connected to an anti-slip rubber pad (16), and the side wall of the anti-slip rubber pad (16) is pressed against the inner wall of the card slot.