Multi-purpose PCB production tool outer frame

Abstract

The utility model relates to a multipurpose PCB production tool outer frame, and belongs to the technical field of electronic and electrical production. The tool outer frame comprises an outer frame body, an inner frame containing hole is formed in the middle of the outer frame body, three supporting brackets are arranged on the outer frame body along the edge of the inner frame containing hole in a delta shape, and an inner frame fastening device is further arranged on the outer frame body. The PCB production tool outer frame is simple and practical in structure, the tool inner frame bearing the PCB can be rapidly and stably assembled through the supporting device and the fastening device, and the production efficiency of the PCB is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic and electrical production, and particularly relates to a multi-purpose outer frame for a PCB board production tooling. Background Art

[0002] At present, the common disadvantages of the PCB board production toolings that have been listed and publicly reported in China are as follows: 1. When producing and processing PCB boards with different structures, it is necessary to replace a completely different set of production toolings. The production of a large number of toolings increases the production cost. 2. When changing the variety of PCB boards produced on the production line, different toolings need to be used. Due to the change of the tooling fixtures, it is necessary to re-adjust the production and processing equipment, resulting in a decrease in production efficiency. 3. Due to the variety of production tooling fixtures, the management and maintenance costs increase. Summary of the Invention

[0003] To solve the problems in the prior art, the utility model patent designs a multi-purpose outer frame for a PCB board production tooling to solve the problems of complex structure and high application cost of the existing PCB board production tooling.

[0004] The technical solution adopted by the utility model is as follows: The tooling outer frame includes an outer frame body. The middle part of the outer frame body is an inner frame placement hole. Three support brackets are arranged in a triangular shape along the edge of the inner frame placement hole on the outer frame body. An inner frame fastening device is also arranged on the outer frame body.

[0005] Further, the inner frame fastening device includes top cone fasteners arranged on both sides of the outer frame body. The top cone fasteners include set screws, top rods, and top cones. Transverse holes penetrating horizontally are respectively opened along the center line on both sides of the outer frame body. Inner threaded metal inserts are respectively embedded and fixed at the outer sections of the transverse holes on both sides. The top rods are slidably connected in the transverse holes. The set screws are threadedly connected in the inner threaded metal inserts. The inner ends of the set screws abut against one end of the top rods. The top cones are connected to the other ends of the top rods and exposed from the inner ends of the transverse holes.

[0006] Further, a compression spring is arranged between the inner end of the set screw and the top rod.

[0007] Further, the support brackets are in a stepped shape and are fixed to the outer frame body by screws.

[0008] Further, a triangular positioning boss protrudes from the middle of the lower side edge of the inner frame placement hole of the outer frame body towards the center of the inner frame placement hole.

[0009] Further, the outer frame body is rectangular, and positioning through holes are respectively opened at its four corners.

[0010] Further, two positioning notches are symmetrically formed at the outer edge of the upper side of the outer frame body.

[0011] Compared with the prior art, the progress of a multi-purpose PCB board production tooling outer frame designed by the utility model patent lies in:

[0012] 1. High production efficiency. The entire PCB board production tooling includes a tooling outer frame and an inner frame. The tooling outer frame is basically universal in the fixed production line. When the shape or model of the PCB board changes, only the tooling inner frame needs to be replaced during production to meet the usage requirements of different models of PCB boards, reducing frequent production equipment debugging procedures and greatly improving production efficiency.

[0013] 2. Low production cost. The structure of the PCB board production tooling outer frame is simple, with a short design and production cycle and low production cost.

[0014] 3. Strong production applicability. The entire PCB board production tooling outer frame can be continuously used on one or more production lines without frequently replacing auxiliary facilities such as production line tracks, positioning devices, and jigs.

[0015] 4. Small storage and maintenance workload and low cost: The variety and specifications of the entire PCB board production tooling outer frame are few, reducing the storage and maintenance workload of the tooling and further reducing production costs.

[0016] 5. Convenient application. The PCB board production tooling outer frame supports the inner frame through a support bracket and can quickly complete the connection and fastening of the inner frame through the top cone fasteners on both sides. The assembly process is simple and efficient. Description of the Drawings

[0017] Figure 1 It is a front view structural schematic diagram of the multi-purpose PCB board production tooling outer frame.

[0018] Figure 2 It is a sectional structural schematic diagram of the multi-purpose PCB board production tooling outer frame in the A-A direction.

[0019] Figure 3 It is a side view structural schematic diagram of the multi-purpose PCB board production tooling outer frame.

[0020] In the figure, 1 is the outer frame body, 2 is the inner frame placement hole, 3 is the support bracket, 4 is the top cone fastener, 5 is the triangular positioning boss, 6 is the positioning perforation, 7 is the positioning notch, 9 is the internal thread metal insert, 41 is the set screw, 42 is the ejector rod, 43 is the top cone, and 44 is the compression spring. Detailed Implementation Modes

[0021] The following further describes the present utility model in conjunction with the accompanying drawings and specific embodiments. The technical solutions in the embodiments of the present utility model are clearly and completely described. The described embodiments are only a part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present invention.

[0022] As Figure 1 , 2 , shown in Figure 3, an embodiment of a multi-purpose PCB board production tooling outer frame is designed in the present utility model patent. In this embodiment, the tooling outer frame includes an outer frame body 1, and the outer frame body 1 is made of a non-metallic insulating material with high temperature resistance, corrosion resistance, non-deformability, and stable performance through thermoplastic molding and machining processes. The middle part of the outer frame body 1 is a square inner frame placement hole 2. Two rectangular notches with the same shape, evenly distributed, and symmetric are opened on the front side surface of the inner frame placement hole 2. A rectangular notch with the same shape as the above is opened at the center position of the rear side surface of the inner frame placement hole 2. A support bracket 3 is fixedly connected with screws below each rectangular notch. The three support brackets 3 are used to support and preliminarily position the tooling inner frame during the initial assembly of the tooling. At the center position of the front side surface of the inner frame placement hole 2, there is a triangular positioning boss 5 protruding towards the center of the inner frame placement hole 2. The triangular positioning boss 5 is used to position and limit the left and right two degrees of freedom of the tooling inner frame installed in the middle of the outer frame body 1.

[0023] On the left and right side frames of the outer frame body 1, two horizontally perforated holes with equal diameters and symmetrically arranged are drilled along the central axis respectively. Plug cone fasteners 4 are respectively arranged in the horizontally perforated holes on both sides. The plug cone fastener 4 includes a set screw 41, a plug rod 42, a plug cone 43, and a compression spring 44. Inner threaded metal inserts 9 are respectively embedded and fixed on the outer side sections of the horizontally perforated holes on both sides of the outer frame body 1. The plug rod 42 is slidably connected in the horizontally perforated hole. The set screw 41 is threadedly connected in the inner threaded metal insert 9. The inner end of the set screw 9 abuts against one end of the plug rod 42 through the compression spring 44. The plug cone 43 is connected to the other end of the plug rod 42 and protrudes from the inner end of the horizontally perforated hole. A connecting hole with an inner thread is axially arranged at the center of one side of the plug cone 43 and is threadedly connected to the plug rod 42. The center of the other side is a conical tightening head.

[0024] In addition, positioning perforations 6 with the same diameter, evenly distributed, and symmetric are respectively drilled at the four corners of the outer frame body 1. Two positioning notches with the same shape, evenly distributed, and symmetric are opened on the outer edge of the upper side of the outer frame body 1.

[0025] When the multi-purpose PCB board production tooling outer frame disclosed in the utility model patent is applied, the assembled PCB board substrate and the tooling inner frame are placed into the inner frame placement hole 2 of the tooling outer frame with the help of the threaded handle. First, the triangular positioning bosses 5 on the outer frame body 1 are aligned with the triangular positioning notches on the tooling inner frame, and then they are placed together on the three support brackets 3 in the middle of the outer frame body 1. Then, the top cone fasteners 4 on the left and right sides of the outer frame body 1 are synchronously locked by the set screws 41 on both sides, so that the top cones 43 on both sides respectively press against the positioning blind holes on both sides of the inner frame, completing the precise positioning and fixing of the tooling inner frame together with the PCB board substrate in the tooling outer frame. The PCB board, the tooling inner frame and the tooling outer frame form a whole. By connecting and fixing with the production and processing device through the four positioning through holes 6 and the two positioning notches 7 on the tooling outer frame, the processing operation can be carried out. When the PCB board is produced and processed on the production lines such as plate making, printing, encapsulation, dispensing and inspection, the PCB board can be smoothly transported and precisely positioned only through the production tooling outer frame throughout the process. According to different use requirements, when the shape and structure of the PCB board change, only the structure of the tooling inner frame needs to be redesigned, and the structure of the outer frame does not need to be changed, so as to meet all the production requirements of different types of PCB boards.

[0026] The above content is only the preferred embodiment of the present invention, and the scope of implementation of the present invention cannot be limited thereby. That is, all simple equivalent changes and modifications made according to the claims of the present invention and the description of the invention still fall within the scope covered by the present invention.

Claims

1. A multi-purpose PCB board production tooling frame, characterized in that: The tooling outer frame comprises an outer frame body, the middle part of the outer frame body is an inner frame placement hole, the outer frame body is provided with three support brackets in a herringbone shape along the edge of the inner frame placement hole, and the outer frame body is also provided with an inner frame fastening device.

2. The multi-purpose PCB board production tooling frame according to claim 1, characterized in that: The inner frame fastening device includes a top cone fastener arranged on both sides of the outer frame body, the top cone fastener includes a set screw, a push rod and a top cone, both sides of the outer frame body are respectively provided with transverse holes extending transversely along the center line, the outer sections of the transverse holes on both sides are respectively embedded and fixed with internally threaded metal inserts, the push rod is slidably connected in the transverse hole, the set screw is threadedly connected in the internally threaded metal insert, the inner end of the set screw abuts against one end of the push rod, and the top cone is connected to the other end of the push rod and exposed from the inner end of the transverse hole.

3. The multi-purpose PCB board production tooling frame according to claim 2, characterized in that: A compression spring is arranged between the inner end of the set screw and the push rod.

4. The multi-purpose PCB board production tooling frame according to claim 3, characterized in that: The support bracket is in a step shape and is fixed on the outer frame body by screws.

5. The multi-purpose PCB board production tooling frame according to claim 4, characterized in that: The outer frame body has a triangular positioning boss protruding from the middle of the lower side of the inner frame placement hole toward the center of the inner frame placement hole.

6. The multi-purpose PCB board production tooling frame according to claim 5, characterized in that: The outer frame body is rectangular, and positioning holes are respectively opened at its four corners.

7. The multi-purpose PCB board production tooling frame according to claim 6, characterized in that: Two positioning notches are symmetrically formed on the outer edge of the upper side of the outer frame body.

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