Forming device for printed circuit board copper column production
By designing a rotary frame and a synchronous drive structure, the copper columns of printed circuit boards are turned and milled at the same time at both ends of the printed circuit board, which solves the problem of low forming efficiency in the prior art and achieves efficient copper column production.
Patent Information
- Application Number
- CN202422413013.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The copper column forming process of existing printed circuit boards requires two installation and disassembly operations, and the forming efficiency is low, so it is impossible to achieve simultaneously turning and milling at both ends.
A molding device for the production of copper columns of printed circuit boards is designed, including a rotatable rotary frame, a copper column blank clamping structure, a turning and milling structure and a feed drive structure. The simultaneous turning and milling forming at both ends is achieved through synchronous driving and rotation.
The simultaneous forming of both ends of the copper column is achieved, reducing the installation and disassembly process and shortening the turning and milling time, and improving the forming efficiency.
Smart Images

Figure CN223160161U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printed circuit board copper columns, and particularly relates to a forming device for producing printed circuit board copper columns. Background Technique
[0002] The copper columns on the printed circuit board are mainly used to fix the printed circuit board and at the same time realize the conduction of upper and lower layer circuits or signal transmission. The middle parts of most circuit board copper columns are set as hexagonal prisms, and internal threads and external threads are respectively arranged at both ends. During the forming process, generally, internal threads or external threads are first milled at one end of a batch of copper column blanks, and then external threads or internal threads are milled at the other end of the batch of copper column blanks. In this way, two installation and disassembly operations are required, and the forming efficiency is relatively low. Therefore, a forming device for producing printed circuit board copper columns is provided, which is convenient for simultaneously milling and forming both ends at one time, can reduce one installation and disassembly process, reduce the milling time by half, and improve the forming efficiency. Content of the Utility Model
[0003] (1) Technical Problems to be Solved
[0004] Aiming at the deficiencies of the prior art, the utility model provides a forming device for producing printed circuit board copper columns, which is convenient for simultaneously milling and forming both ends at one time, can reduce one installation and disassembly process, reduce the milling time by half, and improve the forming efficiency.
[0005] (2) Technical Solutions
[0006] To achieve the above object, the utility model provides the following technical solutions: A forming device for producing printed circuit board copper columns includes a frame. A horizontally arranged rotating frame capable of self-rotation is arranged on the frame. A copper column blank clamping structure is arranged in the middle of the rotating frame. Milling and forming structures capable of feeding inward are respectively arranged on both sides of the rotating frame. The milling and forming structures can perform lifting movements. The frame also includes a feeding driving structure for synchronously driving the two milling and forming structures to feed toward the middle. The frame also includes a rotating structure for driving the rotating frame to rotate.
[0007] Preferably, the copper column blank clamping structure includes three groups of copper column blank clamping mechanisms circumferentially arranged at the middle position inside the rotating frame. The copper column blank clamping mechanism includes a clamping frame fixedly installed on the rotating frame. The clamping frame is in guiding sliding fit with a clamping block through a guiding slide bar. A unidirectional screw is threadedly connected to the clamping frame. One end of the unidirectional screw is rotatably connected to the clamping block. The other end of the unidirectional screw is fixedly installed with an adjusting cap. A rubber pad that protrudes from the clamping block in the natural state is embedded at one end of the clamping block away from the clamping frame.
[0008] Preferably, the turning and milling forming structure includes a lifting seat, and a forming milling cutter is rotatably connected to the lifting seat via a turning and milling forming motor.
[0009] Preferably, the feed drive structure includes a bidirectional screw rotatably connected to the frame and located below the rotating frame, and slides are symmetrically threaded on both sides of the bidirectional screw, and a transverse guide rod that slides with two slides is provided on one side of the bidirectional screw, and the transverse guide rod is fixedly connected to the frame, and the lifting seat and the slide are connected through a lifting drive cylinder, and a vertical guide rod that slides vertically with the lifting seat is fixedly mounted on the slide, and also includes a feed adjustment motor fixedly mounted on the frame, and the output shaft of the feed adjustment motor is connected to the bidirectional screw through a synchronous belt.
[0010] Preferably, the rotating structure includes a gear rotatably connected to one side of the rotating frame, a gear ring meshing with the gear is fixedly mounted on the rotating frame, a rotating motor is fixedly mounted on the frame, and the output shaft of the rotating motor is connected to the gear via a second synchronous belt.
[0011] Preferably, both ends of the rotating frame are rotatably connected to limit ring covers, the two limit ring covers are fixedly connected to the frame, and a plurality of operating holes are opened on the rotating frame.
[0012] (III) Beneficial effects
[0013] Compared with the prior art, the present invention provides a forming device for producing copper pillars of printed circuit boards, which has the following beneficial effects:
[0014] The forming device for producing copper pillars of a printed circuit board facilitates clamping and fixing the copper pillar blank in the middle of a rotating frame by arranging a copper pillar blank holding structure, and then can raise and lower the two turning and milling forming structures on both sides to corresponding heights, aligning the positions for turning internal and external threads at both ends of the copper pillar blank, and then starting the rotating structure to drive the rotating frame, the copper pillar blank holding structure and the copper pillar blank to rotate, and at the same time, the two turning and milling forming structures are driven toward the middle by the feed drive structure, and the internal and external threads are respectively turned and milled at both ends of the copper pillar blank from both sides. After the turning and milling forming is completed, the formed copper pillars of the printed circuit board can be directly disassembled. The forming device for producing copper pillars of a printed circuit board facilitates simultaneous turning and milling forming of both ends at one time, and can reduce one installation and disassembly process, and shorten the turning and milling time by half, thereby improving forming efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the local enlarged structure at A in the middle;
[0017] Figure 3 It is a schematic structural diagram of other perspectives of the whole of the present utility model;
[0018] Figure 4 It is a schematic structural diagram of the cooperation between the rotary rack and the clamping structure of the copper column blank of the present utility model.
[0019] Reference signs in the drawings: 1, frame; 2, rotary rack; 3, limit ring cover; 4, sliding seat; 5, lifting seat; 6, lifting drive cylinder; 7, vertical guide rod; 8, turning and milling forming motor; 9, forming milling cutter; 10, bidirectional screw; 11, feed adjustment motor; 12, synchronous belt 1; 13, horizontal guide rod; 14, clamping frame; 15, unidirectional screw; 16, clamping block; 17, guide slide rod; 18, adjusting cap; 19, rubber pad; 20, operation hole; 21, tooth ring; 22, gear; 23, rotary motor; 24, synchronous belt 2. Specific embodiments
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0021] Embodiment:
[0022] Please refer to Figures 1-4 , a forming device for manufacturing copper columns of a printed circuit board, including a frame 1. The frame 1 is provided with a horizontally arranged rotary rack 2 that can rotate on its own. A copper column blank clamping structure is arranged in the middle of the rotary rack 2. On both sides of the rotary rack 2, there are respectively turning and milling forming structures that can move inward in a feeding manner. The turning and milling forming structures can perform lifting movements. The frame 1 also includes a feeding drive structure for synchronously driving the two turning and milling forming structures to move inward in the middle, and the frame 1 also includes a rotary structure for driving the rotary rack 2 to rotate.
[0023] Specifically, the copper column blank clamping structure includes three groups of copper column blank clamping mechanisms circumferentially arranged in the middle position inside the rotating frame 2. The copper column blank clamping mechanism includes a clamping frame 14 fixedly mounted on the rotating frame 2, and the clamping frame 14 is guided and slidably matched with a clamping block 16 through a guide slide bar 17. A one-way screw 15 is threadedly connected to the clamping frame 14, and one end of the one-way screw 15 is rotatably connected to the clamping block 16. The other end of the one-way screw 15 is fixedly mounted with an adjusting cap 18. A rubber pad 19 that protrudes from the clamping block 16 in a natural state is embedded in the end of the clamping block 16 away from the clamping frame 14. The one-way screw 15 is driven to rotate clockwise or counterclockwise by the adjusting cap 18, and the clamping block 16 is pushed to the middle or outward by the guiding action of the guide slide bar 17, and the copper column is clamped on one side by the clamping block 16. By providing the rubber pad 19, the friction force of the clamping block 16 on the copper column is conveniently reduced, thereby improving the firmness of the clamping.
[0024] Specifically, the turning and milling forming structure includes a lifting seat 5, and the lifting seat 5 is connected to a forming milling cutter 9 through the rotation of the turning and milling forming motor 8. When the turning and milling forming motor 8 is started, the output shaft of the turning and milling forming motor 8 rotates, thereby driving the forming milling cutter 9 to rotate. The turning and milling operation is performed by the forming milling cutter 9, and the specifications of the forming milling cutter 9 can be selected according to the pitch of the internal and external threads of the copper column blank.
[0025] Specifically, the feed drive structure includes a bidirectional screw 10 rotatably connected to the frame 1 and located below the rotating frame 2. The two sides of the bidirectional screw 10 are symmetrically threaded with slides 4. One side of the bidirectional screw 10 is provided with a transverse guide rod 13 that slides with the two slides 4. The transverse guide rod 13 is fixedly connected to the frame 1. The lifting seat 5 and the slide 4 are connected through a lifting drive cylinder 6. A vertical guide rod 7 that slides vertically with the lifting seat 5 is fixedly installed on the slide 4. It also includes a feed adjustment motor 11 fixedly installed on the frame 1. The output shaft of the feed adjustment motor 11 is connected to the bidirectional screw 10 through a synchronous belt 12. When the feed adjustment motor 11 is started, the output shaft of the feed adjustment motor 11 rotates clockwise or counterclockwise. The transmission cooperation of the synchronous belt 12 facilitates the bidirectional screw 10 to rotate clockwise or counterclockwise. The guide sliding cooperation of the transverse guide rod 13 facilitates the synchronous driving of the two slides 4 to move to the middle or to both sides at the same time. The setting of the lifting drive cylinder 6 facilitates the height adjustment of the turning and milling forming structure.
[0026] Specifically, the rotating structure includes a gear 22 rotatably connected to one side of the rotating frame 2. A toothed ring 21 meshing with the gear 22 is fixedly installed on the rotating frame 2. A rotating motor 23 is fixedly installed on the frame 1. The output shaft of the rotating motor 23 is drivingly connected to the gear 22 through a second synchronous belt 24. Starting the rotating motor 23 and through the driving cooperation of the second synchronous belt 24, it is convenient to drive the gear 22 to rotate. Through the cooperation of the toothed ring 21 and the gear 22, it is convenient to drive the rotating frame 2 to rotate, thereby further improving the turning and milling effect.
[0027] Specifically, limiting ring covers 3 are rotatably connected to both ends of the rotating frame 2. Both limiting ring covers 3 are fixedly connected to the frame 1. And a plurality of operation holes 20 are formed in the rotating frame 2. Through the arrangement of the two limiting ring covers 3, it is convenient to support the rotating frame 2 and convenient for the rotating frame 2 to rotate self. Through the arrangement of the operation holes 20, it is convenient to install and remove the copper column.
[0028] It should be noted that the "one embodiment", "embodiment", "exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiment may include specific features, structures or characteristics, but not necessarily every embodiment includes such specific features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when combining a specific feature, structure or characteristic with an embodiment, implementing such a feature, structure or characteristic in combination with other embodiments, whether explicitly or implicitly described, is within the knowledge scope of those skilled in the art.
[0029] It should be easily understood that the terms "on...", "above...", and "over..." in this disclosure should be interpreted in the broadest possible way so that "on..." not only means "directly on something", but also includes the meaning of "on something" with intermediate features or layers therebetween, and "above..." or "over..." not only include the meaning of "above something" or "over", but also can include the meaning of "above something" or "over" without intermediate features or layers therebetween (i.e., directly on something).
[0030] In addition, in order to facilitate the description, spatial relative terms can be used in the text, such as "below", "beneath", "under", "above", "over", etc., to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation shown in the drawings. The device can have other orientations (rotated 90 degrees or in other orientations), and the spatial relative descriptive words used in the text can be similarly interpreted accordingly.
[0031] It should be noted that, in this text, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.
[0032] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A forming device for producing copper posts of a printed circuit board, characterized in that: The invention comprises a frame (1), wherein the frame (1) is provided with a horizontal rotating frame (2) capable of self-rotation, a copper column blank clamping structure is provided in the middle of the rotating frame (2), and turning and milling forming structures capable of feeding inward are respectively provided on both sides of the rotating frame (2), and the turning and milling forming structures can perform lifting movements. The frame (1) also comprises a feed drive structure for synchronously driving the two turning and milling forming structures to feed toward the middle, and the frame (1) also comprises a rotating structure for driving the rotating frame (2) to rotate.
2. The forming device for producing copper posts of a printed circuit board according to claim 1, characterized in that: The copper column blank clamping structure includes three groups of copper column blank clamping mechanisms circumferentially arranged at the middle position inside the rotating frame (2), and the copper column blank clamping mechanism includes a clamping frame (14) fixedly installed on the rotating frame (2), the clamping frame (14) is guided and slidably matched with a clamping block (16) through a guide slide rod (17), a one-way screw (15) is threadedly connected to the clamping frame (14), one end of the one-way screw (15) is rotatably connected to the clamping block (16), and the other end of the one-way screw (15) is fixedly installed with an adjusting cap (18), and a rubber pad (19) is embedded in the end of the clamping block (16) away from the clamping frame (14) and protrudes from the clamping block (16) in a natural state.
3. The shaping device for manufacturing copper posts of a printed circuit board according to claim 2, wherein: The turning and milling forming structure comprises a lifting seat (5), and a forming milling cutter (9) is rotatably connected to the lifting seat (5) via a turning and milling forming motor (8).
4. The forming device for manufacturing copper posts of a printed circuit board according to claim 3, wherein: The feed drive structure includes a bidirectional screw (10) rotatably connected to the frame (1) and located below the rotating frame (2), and the two sides of the bidirectional screw (10) are symmetrically threaded with slides (4), and one side of the bidirectional screw (10) is provided with a transverse guide rod (13) that slides with the two slides (4), and the transverse guide rod (13) is fixedly connected to the frame (1), and the lifting seat (5) is connected to the slide (4) through a lifting drive cylinder (6), and a vertical guide rod (7) that slides vertically with the lifting seat (5) is fixedly installed on the slide (4), and also includes a feed adjustment motor (11) fixedly installed on the frame (1), and the output shaft of the feed adjustment motor (11) is connected to the bidirectional screw (10) through a synchronous belt (12).
5. The shaping device for manufacturing printed circuit board copper posts according to claim 4, characterized in that: The rotating structure comprises a gear (22) rotatably connected to one side of a rotating frame (2); a gear ring (21) meshing with the gear (22) is fixedly mounted on the rotating frame (2); a rotating motor (23) is fixedly mounted on the frame (1); an output shaft of the rotating motor (23) is connected to the gear (22) via a second synchronous belt (24).
6. The forming device for producing copper posts of a printed circuit board according to claim 5, wherein: The two ends of the rotating frame (2) are rotatably connected to the limiting ring covers (3), the two limiting ring covers (3) are fixedly connected to the frame (1), and a plurality of operating holes (20) are provided on the rotating frame (2).