Automatic lifting device for vacuum etching suction knife
By introducing a lifting frame and gear transmission system into the vacuum etching tool suction device, the automatic adjustment of the tool suction tool is achieved to match the thickness of the PCB board, which solves the technical problem of the change in the tool suction tool distance during vacuum etching, and improves the uniformity of copper thickness and line width sexual accuracy.
Patent Information
- Application Number
- CN202323439264.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-18
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-18
AI Technical Summary
During vacuum etching processing, when the PCB plate thickness changes, the vacuum suction knife cannot maintain a constant distance from the plate surface, affecting the etching effect.
An automatic lifting device for vacuum etching suction blade is designed. Through the lifting frame and gear transmission system, the vacuum etching blade automatically lifts and lowers according to the thickness of the PCB board, maintaining a constant distance from the plate surface.
It effectively solves the problem of the change in the distance between the suction knife and the plate surface during vacuum etching, improves the uniformity accuracy of copper thickness and line width, and improves the processing effect.
Smart Images

Figure CN222263152U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of electronic processing, in particular to a vacuum etching suction knife automatic lifting device. Background Art
[0002] With the rapid development of 5G in the information age, the requirements for the uniformity of copper thickness and line width of PCB boards are becoming increasingly higher. With the use of vacuum etching technology, the uniformity of copper thickness and line width of PCB boards has been improved.
[0003] At present, during vacuum etching processing, when the thickness of the PCB changes, the vacuum suction knife cannot always maintain a certain distance from the PCB surface, thus affecting the effect of vacuum etching. Utility Model Content
[0004] The utility model aims to provide a vacuum etching suction knife automatic lifting device, which solves the problem that during the current vacuum etching process, when the thickness of the PCB board changes, the vacuum suction knife cannot always maintain a certain distance from the PCB board surface, thereby affecting the vacuum etching effect.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a vacuum etching suction knife automatic lifting device, comprising:
[0006] A conveying assembly is used to convey the PCB board, and includes two sets of conveying wheel groups, which are respectively arranged on the upper side and the lower side of the PCB board and contact the corresponding sides of the PCB board, and the PCB board is driven to move by the rotation of the two sets of conveying wheel groups;
[0007] The vacuum suction knife assembly is arranged on the upper side of the PCB board, and includes a lifting frame and a vacuum suction knife, wherein the lifting frame is fixedly installed on the upper conveying wheel group, and a processing gap for placing the vacuum suction knife assembly is provided in the upper conveying wheel group, and the vacuum suction knife is fixedly installed at the bottom of the corresponding lifting frame.
[0008] As a further solution of the utility model, the conveying assembly includes multiple groups of conveying wheels and conveying shafts, the multiple groups of conveying wheels are coaxially installed on corresponding conveying shafts, and the conveying shafts in two groups of conveying wheel groups are correspondingly connected by gear assemblies.
[0009] As a further solution of the utility model, the gear assembly includes a transmission gear and a driving gear, and the transmission gear and the driving gear are coaxially installed on the conveying shafts in the two sets of conveying wheel groups.
[0010] Compared with the prior art, the utility model uses a lifting frame to drive the vacuum suction knife to rise and fall, so that the vacuum suction knife can be automatically lifted according to the thickness of the PCB board. This solves the problem that during the current vacuum etching process, when the thickness of the PCB board changes, the vacuum suction knife cannot always maintain a certain distance from the PCB board surface, thereby affecting the vacuum etching effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 The utility model provides a schematic structural diagram of a vacuum etching suction knife automatic lifting device.
[0012] Figure 2 The utility model provides a side view of the installation of a vacuum etching suction knife automatic lifting device.
[0013] In the attached figure: 1. conveying wheel set; 2. vacuum suction knife; 3. lifting frame; 4. mounting plate; 5. transmission gear; 6. driving gear. DETAILED DESCRIPTION
[0014] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.
[0015] like Figure 1 As shown, in an embodiment of the utility model, a vacuum etching suction knife automatic lifting device includes a conveying assembly for conveying a PCB board, including two sets of conveying wheel groups 1, the conveying wheel groups 1 are respectively arranged on the upper side and the lower side of the PCB board, and are in contact with the corresponding sides of the PCB board, and the two sets of conveying wheel groups 1 rotate to drive the PCB board to move,
[0016] The vacuum suction knife assembly is arranged on the upper side of the PCB board, and comprises a lifting frame 3 and a vacuum suction knife 2, wherein the lifting frame 3 is fixedly mounted on the upper conveying wheel group, and a processing gap for placing the vacuum suction knife assembly is provided in the upper conveying wheel group, and the vacuum suction knife 2 is fixedly mounted on the bottom of the corresponding lifting frame;
[0017] Specifically, the lifting frame 3 described in the utility model can be lifted and lowered according to the thickness data of the PCB board, and at the same time drive the vacuum suction knife 2 and the conveying wheel group 1 located on the upper side of the PCB board to lift and lower, so as to adapt the PCB board.
[0018] like Figure 1 and Figure 2 As shown, in the embodiment of the utility model, the conveying assembly includes multiple groups of conveying wheels and conveying shafts, the multiple groups of conveying wheels are coaxially mounted on corresponding conveying shafts, the multiple groups of conveying shafts are linearly arranged in parallel and movably connected to the mounting plate 4, and the conveying shafts in the two groups of conveying wheel groups are correspondingly connected by gear assemblies;
[0019] Furthermore, the gear assembly includes a transmission gear 5 and a driving gear 6, and the transmission gear 5 and the driving gear 6 are coaxially mounted on the conveying shafts in the two conveying wheel groups.
[0020] In summary, the utility model uses a lifting frame 3 to drive the vacuum suction knife 2 to rise and fall, so that the vacuum suction knife 2 can be automatically lifted according to the thickness of the PCB board. This solves the problem that during the current vacuum etching process, when the thickness of the PCB board changes, the vacuum suction knife 2 cannot always maintain a certain distance from the PCB board surface, thereby affecting the vacuum etching effect.
[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0022] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.
Claims
1. A vacuum etching suction knife automatic lifting device, characterized in that: include: A conveying assembly is used to convey the PCB board, and includes two sets of conveying wheel groups, which are respectively arranged on the upper side and the lower side of the PCB board and contact the corresponding sides of the PCB board, and the PCB board is driven to move by the rotation of the two sets of conveying wheel groups; The vacuum suction knife assembly is arranged on the upper side of the PCB board, and includes a lifting frame and a vacuum suction knife, wherein the lifting frame is fixedly installed on the upper conveying wheel group, and a processing gap for placing the vacuum suction knife assembly is provided in the upper conveying wheel group, and the vacuum suction knife is fixedly installed at the bottom of the corresponding lifting frame.
2. The vacuum etching suction knife automatic lifting device according to claim 1 is characterized in that: The conveying assembly includes multiple groups of conveying wheels and conveying shafts. The multiple groups of conveying wheels are coaxially installed on corresponding conveying shafts. The conveying shafts in two groups of conveying wheel groups are correspondingly connected by gear assemblies.
3. The vacuum etching suction knife automatic lifting device according to claim 2 is characterized in that: The gear assembly comprises a transmission gear and a driving gear, and the transmission gear and the driving gear are respectively coaxially mounted on the conveying shafts in the two conveying wheel groups.