Simple copper-clad plate hot press for laboratory
By designing the detachable thin plate structure and thermal conductive layer, the hot press quality problem caused by the deformation of the hot press plate is solved, and the rapid replacement and efficient heat transfer of the hot press plate are achieved, which avoids the time cost of polishing and repair, and improves the production of copper clad plates efficiency and quality.
Patent Information
- Application Number
- CN202421074004.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-16
AI Technical Summary
In the prior art, the stressed surface of the hot press plate is easily deformed after the use of the hot press, resulting in the impact of the hot pressing quality of the copper clad plate. The existing solution is to repair it through grinding and repair it, which is expensive and cannot realize the hot press plate. partial disassembly and replacement.
A simple copper clad hot press for laboratory use is designed, adopting a detachable thin plate structure, which can quickly disassemble and replace thin plates through the design of sliding grooves and insert plates, and combine thermal conductive layer and insert rod to improve heat transfer efficiency and stability. , avoid polishing and repair.
The replacement of the hot press plate is achieved without grinding, which significantly reduces the time cost, improves the hot press quality and heat transfer efficiency, and avoids the replacement time due to the grinding stress surface.
Smart Images
Figure CN222356638U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hot presses, in particular to a simple hot press used by a copper clad laminate production enterprise in a laboratory, namely a simple copper clad laminate hot press used in a laboratory. Background Art
[0002] The copper clad laminate hot press is an important production equipment specially used for manufacturing printed circuit boards. Its main function is to tightly laminate copper foil on a substrate, such as epoxy glass cloth laminate, through a hot pressing process to form a copper clad laminate. The core components of the equipment include a heating system, a pressurizing system, a control system, and a positioning and transmission system.
[0003] It was found in the use of the hot press that after long-term use, the stress-bearing surface of the hot press plate is prone to deformation, thus affecting the hot pressing quality of the copper clad laminate; the conventional solution is to remove the hot press plate from the hot press and then re-grind the stress-bearing surface with a grinder to return it to a flat state, but grinding takes a long time, and overall, the time cost is high.
[0004] For copper clad laminate manufacturers, the simple hot press used in the experiment also uses methods such as the above-mentioned grinding to repair the stress-bearing surface of the hot press plate when deformation occurs, and it is impossible to partially disassemble and replace the hot press plate.
[0005] Based on this, the present application mainly proposes a simple copper clad laminate hot press machine with a new structure for laboratory use, which can realize partial disassembly and replacement of the hot press plate to replace the existing grinding and repair. Utility Model Content
[0006] The utility model aims to solve the problem in the prior art that a grinder re-grinds the stress-bearing surface of a hot press plate, which brings about a high time cost, and proposes a simple copper-clad plate hot press for laboratory use.
[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0008] A simple copper-clad laminate hot press for laboratory use comprises a processing table, and also comprises: a top plate fixedly connected to the top of the processing table, wherein a lifting device is fixedly installed on the top plate, and mounting plates are fixedly installed on the telescopic end of the lifting device and the upper end surface of the processing table; two groups of hot pressing plates are respectively fixedly installed on the opposite surfaces of the two mounting plates, wherein a heating part is provided inside the hot pressing plate, and thin plates are provided on the opposite surfaces of the two hot pressing plates, and a fixing part for clamping the thin plates is provided on the hot pressing plate.
[0009] In order to continuously heat the hot pressing plate, preferably, the heating part includes an oil tank arranged on the upper end of the hot pressing plate, and a liquid inlet pipe and a liquid discharge pipe are respectively installed at both ends of the hot pressing plate, and the liquid inlet pipe and the liquid discharge pipe are both connected to the oil tank.
[0010] In order to facilitate the removal and replacement of the thin plate, preferably, the fixing portion includes a slide groove arranged on the outer walls on both sides of the hot pressing plate, and a strip plug plate is slidably installed in the slide groove; wherein, the strip plug plate is elastically connected to the inner wall of the slide groove by a spring, and vertical plates are fixedly connected on both sides of the thin plate, and slots are provided on the two vertical plates, and two groups of the strip plug plates are respectively inserted into the two groups of slots.
[0011] In order to facilitate pushing the plug board, further, an L-shaped push plate is fixedly connected to the strip plug board.
[0012] In order to improve the heating efficiency and stability of the thin plate, further, a plurality of evenly distributed plug rods are fixedly connected to the thin plate, and the hot pressing plate is provided with plug holes that cooperate with the plug rods, and the plug rods are inserted into the plug holes.
[0013] In order to improve the heat transfer efficiency of the hot pressing plate, further, the inner bottom of the oil tank is fixedly connected with a plurality of evenly distributed bosses, and the plurality of the insertion holes extend into the plurality of bosses respectively.
[0014] In order to improve the force uniformity of the insertion rod, further, the insertion rod and the boss are both cylindrical in shape, and the insertion rod and the thin plate, as well as the boss and the hot pressing plate are integrally formed.
[0015] In order to improve the heat conduction efficiency between the thin plate and the hot pressing plate, preferably, a heat conduction layer is filled in the gap between the thin plate and the hot pressing plate.
[0016] Compared with the prior art, the utility model provides a simple copper clad laminate hot press for laboratory use, which has the following beneficial effects:
[0017] 1. The laboratory uses a simple copper-clad laminate hot press. By adding a thin plate on the hot press plate, there is no need to polish the hot press plate, thus avoiding the increase in replacement time due to polishing the stress-bearing surface;
[0018] 2. The laboratory uses a simple copper clad laminate hot press. The thin plate can be disassembled by pushing the strip plug into the slide and then moving the thin plate away from the hot press plate. Then the new thin plate is pushed toward the hot press plate to efficiently complete the removal and replacement of the thin plate, which significantly reduces the time cost.
[0019] 3. The laboratory uses a simple copper clad laminate hot press. The rod inserted into the jack can make the force on the thin plate more uniform, prevent obvious hollowing in the middle of the thin plate, improve the quality of subsequent hot pressing, and the rod inserted into the hot pressing plate can transfer heat to the thin plate more efficiently, reducing heat transfer losses;
[0020] The parts not involved in the device are the same as the existing technology or can be implemented by the existing technology. The utility model does not need to grind the hot pressing plate, and can replace the existing grinding and repair by layout disassembly and replacement, avoiding the increase of replacement time due to grinding the stress surface. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the axonometric structure of a simple copper clad laminate hot press for laboratory use proposed by the utility model;
[0022] Figure 2 This is a partial axonometric structure diagram of a simple copper clad laminate hot press for laboratory use proposed by the utility model. Figure 1 ;
[0023] Figure 3 This is a partial axonometric structure diagram of a simple copper clad laminate hot press for laboratory use proposed by the utility model. Figure 2 ;
[0024] Figure 4 This is a partial exploded view of a simple copper clad laminate hot press for laboratory use proposed by the utility model;
[0025] Figure 5 This is a schematic diagram of a partial cross-section structure of a hot pressing plate of a simple copper-clad laminate hot pressing machine for laboratory use proposed by the utility model;
[0026] Figure 6 A simple copper clad laminate hot press for laboratory use proposed by the utility model Figure 5 Schematic diagram of the structure of part A.
[0027] In the figure: 1. Processing table; 2. Top plate; 3. Lifting device; 4. Mounting plate; 5. Hot pressing plate; 6. Oil tank; 7. Liquid inlet pipe; 8. Liquid discharge pipe; 9. Thin plate; 10. Vertical plate; 11. Slot; 12. Slide; 13. Strip plug plate; 14. L-shaped push plate; 15. Spring; 16. Socket; 17. Insert rod; 18. Boss. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0030] Example:
[0031] Reference Figure 1-Figure 6 The utility model embodiment provides a simple copper clad laminate hot press for laboratory use with a new structure, including a processing table 1, and also including:
[0032] A top plate 2 is fixedly connected to the top of the processing table 1, wherein a lifting device 3 is fixedly installed on the top plate 2, and the lifting device 3 is a hydraulic cylinder, and a mounting plate 4 is fixedly installed on the telescopic end of the lifting device 3 and the upper end surface of the processing table 1;
[0033] Two groups of hot pressing plates 5 for hot pressing copper-clad laminates are fixedly mounted on opposite surfaces of two mounting plates 4, respectively, wherein a heating portion for heating the hot pressing plates 5 is provided inside the hot pressing plates 5, and thin plates 9 are provided on opposite surfaces of the two hot pressing plates 5. The material of the thin plates 9 is the same as that of the hot pressing plates 5, and the thickness is between 7mm and 14mm. The preferred thickness of this application is 10mm, and a fixing portion for clamping the thin plates 9 is provided on the hot pressing plates 5.
[0034] Specifically, when in use, the hot pressing plate 5 is heated up by the heating part, and the hot pressing plate 5 transfers the heat to the thin plate 9, and then the copper clad laminate is placed between the two groups of hot pressing plates 5, and then the upper hot pressing plate 5 is driven downward by the lifting device 3. When the thin plates 9 on the two hot pressing plates 5 are respectively pressed against the upper and lower surfaces of the copper clad laminate, the hot pressing work of the copper clad laminate can be completed. When the thin plate 9 used for bearing stress is deformed, the thin plate 9 is removed from the hot pressing plate 5 and replaced, so there is no need to grind the hot pressing plate 5, thereby avoiding increasing the replacement time due to grinding the stress-bearing surface.
[0035] In this embodiment, as a possible implementation method of the heating part, the heating part in the simple copper clad laminate hot press for laboratory use includes an oil tank 6 arranged at the upper end of the hot pressing plate 5, the oil tank 6 is used to store heat transfer oil, and the two ends of the hot pressing plate 5 are respectively installed with a liquid inlet pipe 7 and a liquid discharge pipe 8, and the liquid inlet pipe 7 and the liquid discharge pipe 8 are both connected to the oil tank 6.
[0036] Specifically, when in use, the hot oil in the oil supply system is continuously transported to the oil tank 6 through the liquid inlet pipe 7, and the hot oil can heat the hot pressing plate 5 through the oil tank 6, and the hot pressing plate 5 can heat the thin plate 9, and the drain pipe 8 is used to discharge the heat transfer oil discharged from the oil tank 6.
[0037] In this embodiment, as a possible implementation method of the fixing part, the fixing part in the simple copper clad laminate hot press for laboratory use includes a slide groove 12 arranged on the outer walls of both sides of the hot pressing plate 5, and a strip plug plate 13 is slidably installed in the slide groove 12; wherein, the strip plug plate 13 is elastically connected to the inner wall of the slide groove 12 by a spring 15, and vertical plates 10 are fixedly connected to both sides of the thin plate 9, and slots 11 are provided on the two vertical plates 10, and two groups of strip plug plates 13 are respectively inserted into the two groups of slots 11.
[0038] Specifically, when the thin plate 9 on the hot pressing plate 5 needs to be replaced, the strip plug 13 is pushed into the slide groove 12, and then the thin plate 9 is moved away from the hot pressing plate 5 to complete the removal of the thin plate 9. Then the new thin plate 9 is pushed toward the hot pressing plate 5, and the strip plug 13 can be extended into the slot 11 under the action of the spring 15, so that the removal and replacement of the thin plate 9 can be completed efficiently, thereby significantly reducing the time cost.
[0039] The strip plug board 13 is fixedly connected with an L-shaped push board 14 . When the strip plug board 13 needs to be pushed, it is more convenient to push it through the L-shaped push board 14 .
[0040] In this embodiment, the above-mentioned thin plate 9 is fixedly connected with a plurality of evenly distributed plug rods 17, the number of the plug rods 17 is 40-70, and the preferred number in this application is 54. The hot pressing plate 5 is provided with a socket 16 that cooperates with the plug rod 17, and the plug rod 17 is inserted into the socket 16; when the thin plate 9 is in use, the plug rod 17 inserted into the socket 16 can make the force on the thin plate 9 more uniform, prevent obvious hollowing in the middle of the thin plate 9, improve the subsequent hot pressing quality, and the plug rod 17 inserted into the hot pressing plate 5 can transfer heat to the thin plate 9 more efficiently to reduce heat transfer loss.
[0041] The inner bottom of the oil tank 6 is fixedly connected with a plurality of evenly distributed bosses 18, and the plurality of insertion holes 16 extend into the plurality of bosses 18 respectively. The bosses 18 can more efficiently transfer the heat of the oil in the oil tank 6 to the insertion rod 17, and the insertion rod 17 can more efficiently transfer the heat to the thin plate 9.
[0042] The shapes of the above-mentioned plug rod 17 and boss 18 are both cylindrical, and the plug rod 17 and the thin plate 9 as well as the boss 18 and the hot pressing plate 5 are integrally formed, which can improve the efficiency of the hot pressing plate 5 in transferring heat to the thin plate 9.
[0043] The gap between the thin plate 9 and the hot pressing plate 5 is filled with a heat-conducting layer, and the material of the heat-conducting layer can be thermal grease. Even if part of the thermal grease will be squeezed out of the gap during hot pressing, some of the thermal grease will still be able to fill the gap to ensure the thermal conductivity of the thin plate 9.
[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A simple copper clad laminate hot press for laboratory use, comprising a processing table (1), characterized in that: Also includes: A top plate (2) is fixedly connected to the top of the processing table (1). Wherein, a lifting device (3) is fixedly mounted on the top plate (2), and a mounting plate (4) is fixedly mounted on the telescopic end of the lifting device (3) and the upper end surface of the processing table (1); Two sets of hot pressing plates (5) are fixedly mounted on opposite sides of the two mounting plates (4). Wherein, a heating part is provided inside the hot pressing plate (5), thin plates (9) are provided on the opposite surfaces of the two hot pressing plates (5), and a fixing part for clamping the thin plates (9) is provided on the hot pressing plate (5).
2. A simple copper clad laminate hot press for laboratory use according to claim 1, characterized in that: The heating part comprises an oil tank (6) arranged at the upper end of the hot pressing plate (5), and a liquid inlet pipe (7) and a liquid discharge pipe (8) are respectively installed at both ends of the hot pressing plate (5), and the liquid inlet pipe (7) and the liquid discharge pipe (8) are both connected to the oil tank (6).
3. A simple copper clad laminate hot press for laboratory use according to claim 1, characterized in that: The fixing portion comprises a slide groove (12) arranged on the outer walls of both sides of the hot pressing plate (5), and a strip-shaped plug plate (13) is slidably installed in the slide groove (12); The strip plug plate (13) is elastically connected to the inner wall of the slide groove (12) via a spring (15); both sides of the thin plate (9) are fixedly connected with vertical plates (10); both vertical plates (10) are provided with slots (11); and two groups of the strip plug plates (13) are respectively inserted into the two groups of slots (11).
4. A simple copper clad laminate hot press for laboratory use according to claim 3, characterized in that: An L-shaped push plate (14) is fixedly connected to the strip-shaped plug plate (13).
5. A simple copper clad laminate hot press for laboratory use according to claim 2, characterized in that: The thin plate (9) is fixedly connected to a plurality of evenly distributed insertion rods (17), the hot pressing plate (5) is provided with insertion holes (16) that match the insertion rods (17), and the insertion rods (17) are inserted into the insertion holes (16).
6. A simple copper clad laminate hot press for laboratory use according to claim 5, characterized in that: The inner bottom of the oil tank (6) is fixedly connected with a plurality of evenly distributed bosses (18), and the plurality of insertion holes (16) respectively extend into the plurality of bosses (18).
7. A simple copper clad laminate hot press for laboratory use according to claim 6, characterized in that: The shapes of the insertion rod (17) and the boss (18) are both cylindrical, and the insertion rod (17) and the thin plate (9) as well as the boss (18) and the hot pressing plate (5) are integrally formed.
8. A simple copper clad laminate hot press for laboratory use according to claim 1, characterized in that: The gap between the thin plate (9) and the hot pressing plate (5) is filled with a heat conducting layer.