Round corner machine for printed circuit board production
By designing a fillet machine with a rotating disc and an angle grinding device, the problem of low rounded corner grinding efficiency in the production of printed circuit boards in the prior art is solved, and the simultaneous grinding of the edges and corners of the substrate is realized, and the production efficiency is improved.
Patent Information
- Application Number
- CN202421368341.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-14
AI Technical Summary
The existing fillet machines are less efficient in printed circuit board production, and the substrate needs to be adjusted four times to complete the grinding of the four corners.
A corner rounding machine for the production of printed circuit boards is designed, using a rotating disc and an angle grinding device. The drive device drives the rotating discs on both sides of the left and right sides to simultaneously rotate, so as to achieve the grinding of two corners at one end of the substrate at the same time.
The efficiency of the substrate grinding rounded corners is improved, the number of substrate position adjustments is reduced, and the production time is shortened.
Smart Images
Figure CN222680422U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit board production, in particular to a corner rounding machine used for the production of printed circuit boards. Background Art
[0002] During the production of printed circuit boards, it is necessary to first open the board, that is, to cut the larger substrate into equal sizes through circuit board cutting equipment. In order to avoid the sharp ends of the cut substrate, the ends of the cut substrate need to be rounded.
[0003] In the prior art, most of the corner rounding machines can only grind one corner at a time. After grinding one corner, the position of the substrate needs to be adjusted again, so the position of the substrate needs to be adjusted four times, which is inefficient, time-consuming and labor-intensive. Utility Model Content
[0004] The utility model aims to solve one of the problems existing in the existing related technologies to at least a certain extent. To this end, the utility model provides a corner rounding machine for producing printed circuit boards.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A filleting machine for printed circuit board production comprises a frame, a workbench is arranged on the frame, a grinding seat is arranged on the rear side of the workbench, a feed port is opened on the front side of the grinding seat, rotating discs are horizontally rotatably installed in the grinding seat and on the left and right sides of the feed port, an eccentrically arranged angle grinding device is arranged on the rotating disc, and a driving device is also arranged in the grinding seat, and the driving device is used to drive the two rotating discs to rotate simultaneously.
[0007] In some embodiments, the angle grinding device includes a rotating shaft rotatably arranged on a rotating disc, a grinding roller is arranged on the rotating shaft, a motor is arranged on the lower side of the rotating disc, and the lower end of the rotating shaft passes through the rotating disc and is fixedly connected to the output shaft of the motor.
[0008] In some embodiments, the driving device includes a first cylinder arranged in the frame, the piston rod of the first cylinder is extended back and forth, and a push plate is arranged on the piston rod, racks are arranged on the left and right sides of the push plate, a gear ring is arranged on the outer sleeve of the rotating disc, the push plate is arranged between the two rotating discs, and the racks on both sides are respectively engaged with the corresponding gear rings.
[0009] In some embodiments, a second cylinder is disposed at the upper end of the grinding seat, a piston rod of the second cylinder is vertically disposed downward, and the piston rod extends into the grinding seat and is provided with a pressure block.
[0010] In some embodiments, a closing plate is inserted above and below the upper end of the grinding seat and located at the rear side of the feed port.
[0011] In some embodiments, limiting guide columns are provided on the workbench and on the left and right sides of the feed port.
[0012] In some embodiments, a plurality of supporting feet are provided at the lower end of the frame.
[0013] In some embodiments, a limit plate is provided inside the grinding seat and at the rear side of the feed port.
[0014] Compared with the prior art, the beneficial effect of the utility model is that when the corners of the substrate are ground, one end of the substrate is placed in the feed port, and then a driving device is used to drive the rotating discs on the left and right sides to rotate. At this time, the angle grinding device on the rotating disc follows the rotation of the rotating disc and grinds the corners of the substrate to make them round, so that the two corners at one end of the substrate can be ground at the same time, and then the corners at the other end of the substrate can be ground, thereby improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;
[0016] Figure 2 It is a cross-sectional schematic diagram of the utility model;
[0017] Figure 3 This is a schematic diagram of the utility model when the substrate is placed into the feed port;
[0018] Figure 4 It is a schematic diagram of the driving device of the utility model. DETAILED DESCRIPTION
[0019] The following specific implementation contents provide a variety of different embodiments or examples for implementing the utility model. Of course, these are only embodiments or examples and are not intended to be limiting. In addition, repeated reference numerals may be used in different embodiments, such as repeated numbers and / or letters. These repetitions are for the purpose of simply and clearly describing the utility model and do not represent a specific relationship between the different embodiments and / or structures discussed.
[0020] like Figure 1-Figure 4The illustrated embodiment is a corner rounding machine for printed circuit board production, comprising a frame 1, a workbench 2 is arranged on the frame 1, a grinding seat 3 is arranged on the rear side of the workbench 2, a feed port 4 is opened on the front side of the grinding seat 3, and rotating discs 5 are horizontally rotatably installed in the grinding seat 3 and on the left and right sides of the feed port 4, an eccentrically arranged angle grinding device is arranged on the rotating disc 5, and a driving device is also arranged in the grinding seat 3, and the driving device is used to drive the two rotating discs 5 to rotate simultaneously.
[0021] In the utility model, when the rounded corners of the substrate 10 are ground, one end of the substrate 10 is placed in the feed port 4, and then a driving device is operated to drive the rotating discs 5 on the left and right sides to rotate. At this time, the angle grinding device on the rotating disc 5 grinds the corners of the substrate 10 while following the rotation of the rotating disc 5, so that the two corners at one end of the substrate 10 can be ground at the same time, and then the corners at the other end of the substrate 10 can be ground, thereby improving efficiency.
[0022] See also Figure 3 , Figure 4 As shown, the angle grinding device includes a rotating shaft 21 rotatably arranged on a rotating disk 5, a grinding roller 22 is arranged on the rotating shaft 21, and a motor 23 is arranged on the lower side of the rotating disk 5. The motor 23 is fixed on the lower end surface of the rotating disk 5. The lower end of the rotating shaft 21 passes through the rotating disk 5 and is fixedly connected to the output shaft of the motor 23, so that the grinding roller 22 is driven to rotate by the operation of the motor 23, so as to grind the edges and corners of the substrate 10.
[0023] See also Figure 4 As shown, the driving device includes a first cylinder 31 arranged in the frame 1, the piston rod of the first cylinder 31 is telescopic, and a push plate 32 is arranged on the piston rod, racks 33 are arranged on the left and right sides of the push plate 32, and a gear ring 34 is arranged on the outer sleeve of the rotating disk 5, the push plate 32 is arranged between the two rotating disks 5, and the racks 33 on both sides are respectively engaged with the corresponding gear rings 34; when the first cylinder 31 is working, it drives the push plate 32 and the rack 33 to move forward and backward, and the rack 33 is engaged with the gear rings 34 on both sides, so as to drive the rotating disk 5 to rotate.
[0024] See also Figure 1-Figure 2 As shown, a second cylinder 41 is arranged at the upper end of the grinding seat 3, and the piston rod of the second cylinder 41 is arranged vertically downward, and the piston rod extends into the grinding seat 3 and is provided with a pressure block 42, and a limiting plate 81 is arranged in the grinding seat 3 and at the rear side of the feed port 4.
[0025] When the substrate 10 is placed in the feed port 4 and one end of the substrate 10 is against the limit plate 81 , the second cylinder 41 works to drive the pressing block 42 to move downward and press the substrate 10 by the pressing block 42 to prevent the substrate 10 from vibrating during the grinding process and affecting the grinding effect.
[0026] See also Figure 1 , Figure 2 As shown, a closing plate 51 is inserted up and down at the upper end of the grinding seat 3 and at the rear side of the feed port 4. The closing plate 51 can be appropriately moved downward to be closed, leaving only the thickness of the substrate 10 to prevent the operator from accidentally reaching into the feed port 4. In addition, when no grinding work is required, the closing plate 51 can be inserted downward to close the feed port 4 to prevent foreign matter from entering and improve safety.
[0027] See Figure 1. Figure 3 As shown, limit guide columns 61 are provided on the workbench 2 and on the left and right sides of the feed port 4 to guide the substrate 10 to enter the feed port 4 .
[0028] In the present invention, a plurality of supporting legs 71 are provided at the lower end of the frame 1 .
[0029] Combined with the drawings and the above display and description of the basic principles and main features of the utility model and the advantages of the utility model, the technical personnel in the industry should understand that the utility model is not limited to the above embodiments, and the above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A corner rounding machine for printed circuit board production, characterized in that: The invention comprises a frame (1), a workbench (2) is arranged on the frame (1), a grinding seat (3) is arranged on the rear side of the workbench (2), a feed port (4) is opened on the front side of the grinding seat (3), rotating discs (5) are horizontally rotatably installed in the grinding seat (3) and on the left and right sides of the feed port (4), an eccentrically arranged angle grinding device is arranged on the rotating disc (5), and a driving device is also arranged in the grinding seat (3), and the driving device is used to drive the two rotating discs (5) to rotate simultaneously.
2. A corner rounding machine for printed circuit board production according to claim 1, characterized in that: The angle grinding device comprises a rotating shaft (21) rotatably arranged on a rotating disc (5), a grinding roller (22) is arranged on the rotating shaft (21), a motor (23) is arranged on the lower side of the rotating disc (5), and the lower end of the rotating shaft (21) passes through the rotating disc (5) and is fixedly connected to the output shaft of the motor (23).
3. The corner rounding machine for printed circuit board production according to claim 1, characterized in that: The driving device comprises a first cylinder (31) arranged in the frame (1); the piston rod of the first cylinder (31) is telescopically movable forward and backward, and a push plate (32) is arranged on the piston rod; racks (33) are arranged on both left and right sides of the push plate (32); a gear ring (34) is arranged on the outer sleeve of the rotating disc (5); the push plate (32) is arranged between the two rotating discs (5), and the racks (33) on both sides are respectively meshed with the corresponding gear rings (34).
4. The corner rounding machine for printed circuit board production according to claim 1, characterized in that: A second cylinder (41) is arranged at the upper end of the grinding seat (3), and a piston rod of the second cylinder (41) is arranged vertically downward, and the piston rod extends into the grinding seat (3) and is provided with a pressure block (42).
5. The corner rounding machine for printed circuit board production according to claim 1, characterized in that: A closing plate (51) is inserted up and down at the upper end of the grinding seat (3) and at the rear side of the feed opening (4).
6. A corner rounding machine for printed circuit board production according to claim 1, characterized in that: Limiting guide columns (61) are arranged on the workbench (2) and on both the left and right sides of the feed opening (4).
7. The corner rounding machine for printed circuit board production according to claim 1, characterized in that: A plurality of supporting legs (71) are arranged at the lower end of the frame (1).
8. The corner rounding machine for printed circuit board production according to claim 1, characterized in that: A limiting plate (81) is arranged inside the grinding seat (3) and at the rear side of the feed port (4).