Carrier plate jig for copper block over-browning
By designing a carrier plate fixture including photosensitive screen plate and positioning substrate, the problem of poor falling and browning effect of copper blocks during the browning process is solved, a stable and efficient browning process is achieved, and the production cost is reduced.
Patent Information
- Application Number
- CN202421379821.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The prior art has problems of poor dropping and browning effects during the over-browning of copper blocks, and the production cost of the carrier plate fixture is high and inconvenient to use.
A carrier plate fixture including a first photosensitive screen, a second photosensitive screen and a positioning substrate is designed. The copper block is carried and limited through the wire screen of the photosensitive screen and the embedded groove of the positioning substrate to ensure the stability of the browning process.
It effectively avoids the risk of copper block falling during the browning process, ensures the stability of the browning effect, while reducing production costs and simplifying the use process.
Smart Images
Figure CN222691984U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a carrier plate jig for over-browning of copper blocks. Background Art
[0002] As electronic products become smaller and smaller, the size of printed circuit boards (PCBs) is also shrinking, and circuit design is becoming more and more intensive. As the power density of components increases, the heat dissipation of PCBs is too large, which affects the service life of components, leading to aging and even component failure. Therefore, the urgency of thermal management of electronic products can be seen.
[0003] At present, embedding copper blocks in PCB boards is one of the effective ways to solve the heat dissipation problem. In the production process of PCB boards, copper blocks often need to be browned. Existing copper blocks are browned by sticking red tape. However, due to the current trend of "small and dense" in the production of electrical products, the corresponding PCB boards also tend to this trend. The volume of copper blocks is getting smaller and smaller, which is too cumbersome to stick red tape. There is a risk that the copper blocks cannot be browned or fall off during browning, resulting in the inability to perform browning normally and the inability to ensure the browning effect.
[0004] In order to solve the above problems, although a carrier jig has appeared in the industry recently, which can carry the copper block to prevent the copper block from falling during the browning process, the production cost of the carrier jig is high and it is not convenient to use. Utility Model Content
[0005] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a carrier plate fixture for the browning of copper blocks, which can carry and limit the copper blocks, avoid the copper blocks from falling during the browning process, ensure the browning effect of the copper blocks, reduce the production cost, and facilitate use.
[0006] The purpose of the utility model is achieved by the following technical solutions:
[0007] A carrier jig for over-browning of copper blocks, comprising a first photosensitive screen, a second photosensitive screen and a positioning substrate; the first photosensitive screen comprises a first plate frame and a first screen, the first screen is arranged in the first plate frame, and the first plate frame and the first screen form a first receiving groove; the second photosensitive screen comprises a second plate frame and a second screen, the second screen is arranged in the second plate frame, and the second plate frame and the second screen form a second receiving groove; one end of the positioning substrate is embedded in the first receiving groove, and the other end is embedded in the second receiving groove; a plurality of embedding grooves are arranged on the positioning substrate; the embedding grooves are used for embedding copper blocks; one end of the embedding grooves passes through one end of the positioning substrate close to the first screen, and the other end of the embedding grooves passes through one end of the positioning substrate close to the second screen; the first photosensitive screen and the second photosensitive screen are connected in a detachable manner.
[0008] The first plate frame includes two first side rods, a first front rod and a first rear rod that are arranged opposite to each other; the first front rod is arranged between the front ends of the two first side rods, and the first rear rod is arranged between the rear ends of the two first side rods; the two first side rods, the first front rod and the first rear rod of the first plate frame form a first window, and the first wire mesh is located in the first window.
[0009] The first screen is bonded to the two first side rods, the first front rod and the first rear rod of the first plate frame by photosensitive adhesive.
[0010] The first screen is arranged in the middle of the first window in the height direction.
[0011] The second plate frame includes two second side rods, a second front rod and a second rear rod that are arranged opposite to each other; the second front rod is arranged between the front ends of the two second side rods, and the second rear rod is arranged between the rear ends of the two second side rods; the two second side rods, the second front rod and the second rear rod of the second plate frame form a second window, and the second wire mesh is located in the second window.
[0012] The second screen is bonded to the two second side rods, the second front rod and the second rear rod of the second plate frame by photosensitive adhesive.
[0013] The second screen is arranged in the middle of the second window in the height direction.
[0014] The first photosensitive screen and the second photosensitive screen are connected in a detachable manner via a connecting component.
[0015] The first plate frame is provided with a first matching hole for matching with the connecting component, and the second plate frame is provided with a second matching hole for matching with the connecting component.
[0016] The positioning substrate comprises a plurality of transverse rods which are arranged in sequence and at intervals in a transverse direction, and a plurality of longitudinal rods which are arranged in sequence and at intervals in a longitudinal direction, and the transverse rods are arranged to intersect with the longitudinal rods.
[0017] Compared with the prior art, the beneficial effects of the present invention are:
[0018] The utility model provides a carrier plate jig for browning of copper blocks. By reasonably arranging a first photosensitive screen, a second photosensitive screen and a positioning substrate, the copper block can be embedded in an embedding groove of the positioning substrate during the browning process. The first screen of the first photosensitive screen and the second screen of the second photosensitive screen can be used to limit the copper block, thereby avoiding the copper block from falling off during the browning process, ensuring that the browning proceeds smoothly, thereby ensuring the browning effect of the copper block, reducing the production cost, and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 It is an exploded view of the utility model;
[0021] Figure 3 is an exploded schematic diagram of a first photosensitive halftone plate;
[0022] Among them, 10, the first photosensitive screen; 11, the first plate frame; 12, the first screen; 13, the first receiving groove; 14, the first side rod; 15, the first front rod; 16, the first rear rod; 17, the first matching hole; 20, the second photosensitive screen; 21, the second plate frame; 22, the second screen; 24, the second side rod; 25, the second front rod; 26, the second rear rod; 27, the second matching hole; 30, the positioning substrate; 31, the embedding groove; 32, the transverse rod; 33, the longitudinal rod. DETAILED DESCRIPTION
[0023] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.
[0024] like Figure 1-3As shown, a carrier jig for over-browning of copper blocks includes a first photosensitive screen 10, a second photosensitive screen 20 and a positioning substrate 30; the first photosensitive screen 10 includes a first plate frame 11 and a first screen 12, the first screen 12 is arranged in the first plate frame 11, and the first plate frame 11 and the first screen 12 surround a first accommodating groove 13; the second photosensitive screen 20 includes a second plate frame 21 and a second screen 22, the second screen 22 is arranged in the second plate frame 21, and the second plate frame 21 and the second screen 22 surround a first accommodating groove 13. 2 to form a second accommodating groove; one end of the positioning substrate 30 is embedded in the first accommodating groove 13, and the other end is embedded in the second accommodating groove; a plurality of embedding grooves 31 are provided on the positioning substrate 30; the embedding grooves 31 are used for embedding the copper block; one end of the embedding groove 31 passes through one end of the positioning substrate 30 close to the first screen 12, and the other end of the embedding groove 31 passes through one end of the positioning substrate 30 close to the second screen 22; the first photosensitive screen 10 and the second photosensitive screen 20 are connected in a detachable manner.
[0025] During use, one end of the positioning substrate 30 can be embedded in the first receiving groove 13 of the first photosensitive screen 10, and a plurality of copper blocks can be embedded in the plurality of embedding grooves 31 of the positioning substrate 30 respectively and one by one, and then the second photosensitive screen 20 can be placed on the positioning substrate 30, so that the other end of the positioning substrate 30 is embedded in the second receiving groove of the second photosensitive screen 20, and the first photosensitive screen 10 and the second photosensitive screen 20 are connected in a detachable manner, so that a plurality of copper blocks can be carried, and in the browning process, the embedding groove 31 can be used to position the copper blocks, and the first screen 12 of the first photosensitive screen 10 and the second screen 22 of the second photosensitive screen 20 can be used to limit the copper blocks to avoid the occurrence of browning. The copper block falls off and the board is stuck during the browning process, ensuring the smooth browning process to ensure the browning effect of the copper block, thereby ensuring the enhanced bonding strength between the copper block and the PCB board, and there will be no poor loading. Moreover, on the basis of adopting the first photosensitive screen 10, the second photosensitive screen 20 and the positioning substrate 30, and by utilizing the first plate frame 11 of the first photosensitive screen 10 and the first screen 12 to form a first accommodating groove 13, and utilizing the second plate frame 21 of the second photosensitive screen 20 and the second screen 22 to form a second accommodating groove, one end of the positioning substrate 30 is embedded in the first accommodating groove 13, and the other end is embedded in the second accommodating groove, which can play a bearing and limiting role on the copper block, and can reduce the production cost, and is also convenient for use.
[0026] Preferably, the first screen 12 is covered with a first photosensitive adhesive layer to ensure its photosensitive effect. When in use, the photosensitive adhesive can be evenly coated on the cleaned and completely dried first screen 12 with a scraper to form the first photosensitive adhesive layer. The photosensitive adhesive is a colloid liquid that can react chemically when exposed to light. The thickness of the first plate frame 11 is ≤1.6mm.
[0027] The first plate frame 11 includes two first side rods 14, a first front rod 15 and a first rear rod 16 which are arranged opposite to each other; the first front rod 15 is arranged between the front ends of the two first side rods 14, and the first rear rod 16 is arranged between the rear ends of the two first side rods 14; the two first side rods 14, the first front rod 15 and the first rear rod 16 of the first plate frame 11 form a first window, and the first wire mesh 12 is located in the first window. By adopting the above structure for the first plate frame 11, it is convenient to manufacture the first plate frame 11 and further reduce the manufacturing cost. As a preferred embodiment of the utility model, the width of the first side rod 14, the first front rod 15 and the first rear rod 16 is ≥10mm to improve its structural strength.
[0028] The first screen 12 is bonded to the two first side rods 14, the first front rod 15 and the first rear rod 16 of the first plate frame 11 by photosensitive adhesive, so as to facilitate the connection between the first screen 12 and the first plate frame 11. Specifically, the first screen 12 is arranged in the middle of the first window in the height direction.
[0029] Preferably, the second screen 22 is covered with a second photosensitive adhesive layer to ensure its photosensitive effect. When in use, the photosensitive adhesive can be evenly coated on the cleaned and completely dried second screen 22 with a scraper to form the second photosensitive adhesive layer. The photosensitive adhesive is a colloid liquid that can react chemically when exposed to light. The thickness of the second plate frame 21 is ≤1.6mm.
[0030] The second plate frame 21 includes two second side rods 24, a second front rod 25 and a second rear rod 26 which are arranged opposite to each other; the second front rod 25 is arranged between the front ends of the two second side rods 24, and the second rear rod 26 is arranged between the rear ends of the two second side rods 24; the two second side rods 24, the second front rod 25 and the second rear rod 26 of the second plate frame 21 form a second window, and the second wire mesh 22 is located in the second window. By adopting the above structure for the second plate frame 21, it is convenient to manufacture the second plate frame 21 and further reduce the manufacturing cost. As a preferred embodiment of the utility model, the width of the second side rod 24, the second front rod 25 and the second rear rod 26 is ≥10mm to improve its structural strength.
[0031] The second screen 22 is bonded to the two second side rods 24, the second front rod 25 and the second rear rod 26 of the second plate frame 21 by photosensitive adhesive, thereby facilitating the connection between the second screen 22 and the second plate frame 21. Specifically, the second screen 22 is arranged in the middle of the second window in the height direction.
[0032] The first photosensitive screen 10 and the second photosensitive screen 20 are detachably connected via a connecting component. The first plate frame 11 is provided with a first matching hole 17 for matching with the connecting component, and the second plate frame 21 is provided with a second matching hole 27 for matching with the connecting component.
[0033] Specifically, the first photosensitive screen 10 and the second photosensitive screen 20 are connected in a detachable manner through a plurality of connecting parts. The first plate frame 11 is provided with a plurality of first matching holes 17 for corresponding to the plurality of connecting parts one by one, and the second plate frame 21 is provided with a plurality of second matching holes 27 for corresponding to the plurality of connecting parts one by one. The plurality of first matching holes 17 are distributed on the two first side rods 14, the first front rod 15 and the first rear rod 16, and the plurality of second matching holes 27 are distributed on the two second side rods 24, the second front rod 25 and the second rear rod 26, so as to improve the connection stability between the first plate frame 11 and the second plate frame 21.
[0034] The connecting member may be a connecting rope, which is passed through the first matching hole 17 and the second matching hole 27, and the knots at both ends of the connecting rope can form a limit. In addition, the connecting member may be a bolt, a latch, etc., as long as the first photosensitive screen 10 and the second photosensitive screen 20 can be connected in a detachable manner. However, using a connecting rope as the connecting member is the most preferred embodiment of the present invention, which can reduce costs and facilitate use.
[0035] The positioning substrate 30 includes a plurality of transverse rods 32 arranged in sequence and at intervals in the transverse direction, and a plurality of longitudinal rods 33 arranged in sequence and at intervals in the longitudinal direction, wherein the transverse rods 32 and the longitudinal rods 33 are arranged to intersect with each other. By adopting the above structure, the positioning substrate 30 can be manufactured conveniently, thereby further reducing the manufacturing cost.
[0036] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. A carrier plate fixture for over-browning of copper blocks, characterized in that: It includes a first photosensitive screen, a second photosensitive screen and a positioning substrate; the first photosensitive screen includes a first plate frame and a first screen, the first screen is arranged in the first plate frame, and the first plate frame and the first screen form a first receiving groove; the second photosensitive screen includes a second plate frame and a second screen, the second screen is arranged in the second plate frame, and the second plate frame and the second screen form a second receiving groove; one end of the positioning substrate is embedded in the first receiving groove, and the other end is embedded in the second receiving groove; a plurality of embedding grooves are arranged on the positioning substrate; the embedding grooves are used for embedding copper blocks; one end of the embedding grooves passes through one end of the positioning substrate close to the first screen, and the other end of the embedding grooves passes through one end of the positioning substrate close to the second screen; the first photosensitive screen and the second photosensitive screen are connected in a detachable manner.
2. The carrier plate jig for over-browning of copper blocks according to claim 1, characterized in that: The first plate frame includes two first side rods, a first front rod and a first rear rod that are arranged opposite to each other; the first front rod is arranged between the front ends of the two first side rods, and the first rear rod is arranged between the rear ends of the two first side rods; the two first side rods, the first front rod and the first rear rod of the first plate frame form a first window, and the first wire mesh is located in the first window.
3. The carrier plate jig for over-browning of copper blocks according to claim 2, characterized in that: The first screen is bonded to the two first side rods, the first front rod and the first rear rod of the first plate frame by photosensitive adhesive.
4. The carrier plate fixture for over-browning of copper blocks according to claim 3, characterized in that: The first screen is arranged in the middle of the first window in the height direction.
5. The carrier plate fixture for over-browning of copper blocks according to claim 1, characterized in that: The second plate frame includes two second side rods, a second front rod and a second rear rod that are arranged opposite to each other; the second front rod is arranged between the front ends of the two second side rods, and the second rear rod is arranged between the rear ends of the two second side rods; the two second side rods, the second front rod and the second rear rod of the second plate frame form a second window, and the second wire mesh is located in the second window.
6. The carrier plate jig for over-browning of copper blocks according to claim 5, characterized in that: The second screen is bonded to the two second side rods, the second front rod and the second rear rod of the second plate frame by photosensitive adhesive.
7. The carrier plate fixture for over-browning of copper blocks according to claim 6, characterized in that: The second screen is arranged in the middle of the second window in the height direction.
8. The carrier plate fixture for over-browning of copper blocks according to claim 1, characterized in that: The first photosensitive screen and the second photosensitive screen are connected in a detachable manner via a connecting component.
9. The carrier plate fixture for over-browning of copper blocks according to claim 8, characterized in that: The first plate frame is provided with a first matching hole for matching with the connecting component, and the second plate frame is provided with a second matching hole for matching with the connecting component.
10. The carrier plate jig for over-browning of copper blocks according to claim 1, characterized in that: The positioning substrate comprises a plurality of transverse rods which are sequentially arranged at intervals in a transverse direction, and a plurality of longitudinal rods which are sequentially arranged at intervals in a longitudinal direction, and the transverse rods are arranged to intersect with the longitudinal rods.