Electronic circuit board processing equipment
The automated cutting of the slitting blade is controlled by a cylinder-driven gear and rack mechanism and an elastic mechanism, which solves the safety and cutting accuracy problems of existing equipment and realizes safe and efficient PCB circuit board slitting.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-26
- Publication Date
- 2026-03-31
AI Technical Summary
Existing electronic circuit board processing equipment has potential safety hazards in terms of operation. Sharp blades can easily cause injury to operators and severely damage the internal structure of PCB circuit boards, making it difficult to guarantee cutting accuracy and quality.
An electronic circuit board processing equipment was designed. A cylinder-driven motion frame drives the front and rear pressure plates to contact the PCB circuit board. The lifting and lowering of the slitting blade is controlled by a gear and rack mechanism to ensure that the slitting blade moves between the pressure plates and avoids direct contact. Combined with an elastic mechanism, it provides uniform pressure adjustment and realizes automatic cutting and shrinkage.
It improves operational safety, reduces the risk of operators being cut, reduces damage to the internal structure of PCB circuit boards, and improves cutting accuracy and quality.
Smart Images
Figure CN121772107A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to an electronic circuit board processing equipment, belonging to the field of PCB circuit board processing technology. Background Technology
[0002] Printed circuit boards (PCBs) are the core carriers for the electrical connections of electronic components, playing a crucial role in supporting and conducting circuits in modern electronic products. Depending on the number of conductive layers, PCBs can be classified as single-sided, double-sided, four-layer, six-layer, or even multi-layer boards with more layers to meet the requirements of different circuit designs and signal integrity.
[0003] In the manufacturing process of electronic circuit boards, to improve production efficiency and facilitate automation, panelization is commonly used, where multiple identical or different circuit units are fabricated simultaneously on a single substrate. After all circuit fabrication, component mounting, and soldering processes are completed, the panelization is separated into individual unit boards through a depaneling process. This process typically involves cutting off the outer process edges and separating each circuit unit along predetermined dividing lines to ensure that each unit board meets the dimensional and functional requirements of the final product. This process is accomplished using specialized depaneling equipment.
[0004] Existing electronic circuit board processing equipment has significant safety hazards in terms of operation: for example, some equipment that uses exposed blades or milling cutters for cutting can easily cause cuts and other injuries to operators during manual loading, unloading, or debugging. Summary of the Invention
[0005] The technical problem to be solved by the present invention is to provide an electronic circuit board processing equipment that, while improving operator safety, greatly reduces damage to the multi-layer structure inside the PCB circuit board, adaptively adjusts the contact state with the PCB circuit board, and improves the cutting accuracy and quality of the PCB circuit board.
[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: an electronic circuit board processing equipment, comprising: a base, on which a support frame and a moving frame located between the support frame and the base are provided, and a left end plate and a right end plate are provided downward at the left and right ends of the moving frame, and a first support rod and a second support rod are arranged parallel between the left end plate and the right end plate, and a pair of first front racks and a pair of first rear racks are fixedly connected to the front and rear sides of a slitting blade located between the first support rod and the second support rod; A front L-shaped hanging plate and a rear L-shaped hanging plate are respectively provided on the front and rear sides of the motion frame. The front transition plate and the rear transition plate located on the front and rear sides of the first support rod and the second support rod are respectively connected to the lower ends of the front L-shaped hanging plate and the rear L-shaped hanging plate. The end of the piston rod of a cylinder installed on the support frame is connected to the motion frame. The first front rack and the second front rack are connected by a front gear mounted on the first support rod, and the first rear rack and the second rear rack are connected by a rear gear mounted on the second support rod. A front pressure plate and a rear pressure plate are respectively provided below the front transition plate and the rear transition plate. A pair of second front racks and a pair of second rear racks are respectively fixed on the front pressure plate and the rear pressure plate. A pair of first elastic mechanisms are provided between the front transition plate and the front pressure plate, and a pair of second elastic mechanisms are provided between the rear transition plate and the rear pressure plate. The front pressure plate and the rear pressure plate face the surfaces of their respective transition plates and are provided with left and right stops at intervals in the left and right directions between their respective two elastic mechanisms. A sliding rod is provided between the left and right stops, and a left slider and a right slider are slidably mounted on the sliding rod. A first spring is fitted on the sliding rod and is located between the left slider and the right slider. The two ends of a left connecting rod and a right connecting rod are movably connected to the left slider and the right slider and the lower surface of the front transition plate or the lower surface of the rear transition plate, respectively.
[0007] The following are further improvements to the above technical solution: 1. In the above scheme, both the first elastic mechanism and the second elastic mechanism are composed of a telescopic rod and a second spring fitted on the telescopic rod.
[0008] 2. In the above scheme, the distance between the left stop block and the right stop block is 30 to 50% of the length of the corresponding pressure plate.
[0009] 3. In the above scheme, the lower surface of the base is provided with two support feet, which are located at both ends of the base respectively.
[0010] 4. In the above scheme, the pair of first front racks are located at both ends of the slitting blade, and the second front rack is located at both ends of the front transition plate accordingly.
[0011] 5. In the above scheme, the pair of first rear racks are located at both ends of the slitting blade, and the second rear rack is located at both ends of the rear transition plate accordingly.
[0012] 6. In the above scheme, the first support rod and the front gear are connected by a first bearing.
[0013] 7. In the above scheme, the second support rod and the rear gear are connected by a second bearing.
[0014] 8. In the above scheme, the front L-shaped hanging plate and the rear L-shaped hanging plate are located in the middle of the motion frame.
[0015] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: 1. The electronic circuit board processing equipment of the present invention, when pushed by the cylinder, the moving frame moves downward, and the front pressure plate and the rear pressure plate first contact the PCB circuit board. As the moving frame continues to move downward, the elastic mechanism is compressed, and the first front rack and the first rear rack are driven to descend through the front gear and the rear gear, thereby causing the dividing cutter to descend and cut the PCB circuit board; after the cutting is completed, when the cylinder retracts, the moving frame moves upward, and the front pressure plate and the rear pressure plate release the contact pressure on the PCB circuit board. At the same time, the first front rack and the first rear rack are driven to rise through the front gear and the rear gear, thereby causing the dividing cutter to move upward. After the elastic mechanism in the pressure plate and rear pressure plate resets, the front pressure plate and rear pressure plate continue to move upward with the motion frame and detach from the PCB circuit board. The entire process automatically completes the cutting and retraction of the slitting blade, and the slitting blade is always between the front pressure plate and the rear pressure plate. This not only prevents operators from accidentally coming into contact with the sharp slitting blade during operation, maintenance, or PCB circuit board replacement, reducing the risk of operator injury and ensuring personnel safety, but also ensures that the PCB circuit board is gradually pressurized and stably held on the base, greatly reducing damage to the internal multi-layer structure of the PCB circuit board and improving the cutting accuracy and quality of the PCB circuit board.
[0016] 2. The electronic circuit board processing equipment of the present invention has a front pressure plate and a rear pressure plate facing the surface of their respective transition plates and located between their respective two elastic mechanisms, with left and right stops spaced apart in the left-right direction. A sliding rod is provided between the left and right stops, and a left slider and a right slider are slidably mounted on the sliding rod. A first spring is fitted on the sliding rod and located between the left and right sliders. The two ends of a left connecting rod and a right connecting rod are respectively movably connected to the left and right sliders and the lower surface of the front transition plate or the lower surface of the rear transition plate. This makes the force applied to the PCB circuit board by each area of the front and rear pressure plates more uniform, and can also adaptively adjust the contact state with the PCB circuit board to ensure that each area of the PCB circuit board always has sufficient pressure, thereby adapting to PCB circuit boards of different qualities and further improving the cutting accuracy and quality of the PCB circuit board. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the electronic circuit board processing equipment of the present invention; Figure 2 For the appendix Figure 1 A schematic diagram of the rear view structure; Figure 3 For the appendix Figure 2 A magnified schematic diagram of the structure at point A; Figure 4 For the appendix Figure 2 A magnified schematic diagram of the structure at point B.
[0018] In the attached diagrams: 1. Base; 2. Support frame; 3. Moving frame; 301. Left end plate; 302. Right end plate; 303. Front L-shaped hanging plate; 304. Rear L-shaped hanging plate; 41. First support rod; 42. Second support rod; 5. Cutting blade; 61. First front rack; 62. First rear rack; 71. Front transition plate; 72. Rear transition plate; 81. Second front rack; 82. Second rear rack; 91. Front gear; 92. Rear gear; 101. Front pressure plate; 102. Rear pressure plate; 111. First elastic mechanism; 112. Second elastic mechanism; 12. Telescopic rod; 13. Second spring; 14. Support foot; 151. Left stop block; 152. Right stop block; 16. Slide rod; 171. Left slider; 172. Right slider; 18. First spring; 19. Cylinder; 191. Piston rod; 201. Left connecting rod; 202. Right connecting rod. Detailed Implementation
[0019] The present patent can be further understood through the specific embodiments given below, but they are not intended to limit the present patent.
[0020] Example 1: An electronic circuit board processing equipment includes: a base 1, on which a support frame 2 and a moving frame 3 located between the support frame 2 and the base 1 are provided. A left end plate 301 and a right end plate 302 are provided downward at the left and right ends of the moving frame 3. A first support rod 41 and a second support rod 42 are arranged in parallel between the left end plate 301 and the right end plate 302. A cutting blade 5 located between the first support rod 41 and the second support rod 42 has a pair of first front racks 61 and a pair of first rear racks 62 fixedly connected to its front and rear sides, respectively. A front L-shaped hanging plate 303 and a rear L-shaped hanging plate 304 are respectively provided on the front and rear sides of the motion frame 3. The front transition plate 71 and the rear transition plate 72 located on the front and rear sides of the first support rod 41 and the second support rod 42 are respectively connected to the lower ends of the front L-shaped hanging plate 303 and the rear L-shaped hanging plate 304. The end of the piston rod 191 of the cylinder 19 installed on the support frame 2 is connected to the motion frame 3. The first front rack 61 and the second front rack 81 are connected by a front gear 91 mounted on the first support rod 41. The first rear rack 62 and the second rear rack 82 are connected by a rear gear 92 mounted on the second support rod 42. A front pressure plate 101 and a rear pressure plate 102 are respectively provided below the front transition plate 71 and the rear transition plate 72. A pair of second front racks 81 and a pair of second rear racks 82 are respectively fixed on the front pressure plate 101 and the rear pressure plate 102. A pair of first elastic mechanisms 111 are provided between the front transition plate 71 and the front pressure plate 101, and a pair of second elastic mechanisms 112 are provided between the rear transition plate 72 and the rear pressure plate 102. The front pressure plate 101 and the rear pressure plate 102 face the surfaces of their respective transition plates and are located between their respective two elastic mechanisms. Left stops 151 and right stops 152 are spaced apart in the left and right directions. A slide rod 16 is provided between the left stops 151 and the right stops 152. Left sliders 171 and right sliders 172 are slidably mounted on the slide rod 16. A first spring 18 is fitted on the slide rod 16 and is located between the left sliders 171 and the right sliders 172. The two ends of a left connecting rod 201 and a right connecting rod 202 are respectively movably connected to the lower surface of the front transition plate 71 or the lower surface of the rear transition plate 72.
[0021] The first elastic mechanism 111 and the second elastic mechanism 112 mentioned above are both composed of a telescopic rod 12 and a second spring 13 fitted on the telescopic rod 12.
[0022] The distance between the left stop block 151 and the right stop block 152 is 35% of the length of the corresponding pressure plate.
[0023] The lower surface of the base 1 is provided with two support feet 14, which are located at both ends of the base 1.
[0024] The aforementioned pair of first front racks 61 are located at both ends of the slitting blade 5, and the second front rack 81 is located at both ends of the front transition plate 71.
[0025] The aforementioned pair of first rear racks 62 are located at both ends of the slitting blade 5, and the second rear rack 82 is correspondingly located at both ends of the rear transition plate 72.
[0026] The aforementioned front L-shaped hanging plate 303 and rear L-shaped hanging plate 304 are located in the middle of the motion frame 3.
[0027] Example 2: An electronic circuit board processing equipment, comprising: a base 1, on which a support frame 2 and a moving frame 3 located between the support frame 2 and the base 1 are provided, and a left end plate 301 and a right end plate 302 are provided downward at the left and right ends of the moving frame 3, and a first support rod 41 and a second support rod 42 are arranged parallel between the left end plate 301 and the right end plate 302, and a cutting blade 5 located between the first support rod 41 and the second support rod 42 has a pair of first front racks 61 and a pair of first rear racks 62 fixedly connected to its front and rear sides respectively; A front L-shaped hanging plate 303 and a rear L-shaped hanging plate 304 are respectively provided on the front and rear sides of the motion frame 3. The front transition plate 71 and the rear transition plate 72 located on the front and rear sides of the first support rod 41 and the second support rod 42 are respectively connected to the lower ends of the front L-shaped hanging plate 303 and the rear L-shaped hanging plate 304. The end of the piston rod 191 of the cylinder 19 installed on the support frame 2 is connected to the motion frame 3. The first front rack 61 and the second front rack 81 are connected by a front gear 91 mounted on the first support rod 41. The first rear rack 62 and the second rear rack 82 are connected by a rear gear 92 mounted on the second support rod 42. A front pressure plate 101 and a rear pressure plate 102 are respectively provided below the front transition plate 71 and the rear transition plate 72. A pair of second front racks 81 and a pair of second rear racks 82 are respectively fixed on the front pressure plate 101 and the rear pressure plate 102. A pair of first elastic mechanisms 111 are provided between the front transition plate 71 and the front pressure plate 101, and a pair of second elastic mechanisms 112 are provided between the rear transition plate 72 and the rear pressure plate 102. The front pressure plate 101 and the rear pressure plate 102 face the surfaces of their respective transition plates and are located between their respective two elastic mechanisms. Left stops 151 and right stops 152 are spaced apart in the left and right directions. A slide rod 16 is provided between the left stops 151 and the right stops 152. Left sliders 171 and right sliders 172 are slidably mounted on the slide rod 16. A first spring 18 is fitted on the slide rod 16 and is located between the left sliders 171 and the right sliders 172. The two ends of a left connecting rod 201 and a right connecting rod 202 are respectively movably connected to the lower surface of the front transition plate 71 or the lower surface of the rear transition plate 72.
[0028] The first elastic mechanism 111 and the second elastic mechanism 112 mentioned above are both composed of a telescopic rod 12 and a second spring 13 fitted on the telescopic rod 12.
[0029] The distance between the left stop 151 and the right stop 152 is 46% of the length of the corresponding pressure plate.
[0030] The lower surface of the base 1 is provided with two support feet 14, which are located at both ends of the base 1.
[0031] The first support rod 41 is connected to the front gear 91 via a first bearing.
[0032] The second support rod 42 is connected to the rear gear 92 via a second bearing.
[0033] When the above-mentioned electronic circuit board processing equipment is used, when the cylinder 8 pushes, the moving frame 3 moves downward, and the front pressure plate 101 and the rear pressure plate 102 first contact the PCB circuit board. As the moving frame 3 continues to move downward, the elastic mechanism is compressed, and the first front rack 61 and the first rear rack 62 are driven to descend by the front gear 91 and the rear gear 92, thereby causing the dividing cutter 5 to descend and cut the PCB circuit board. After the cutting is completed, when the cylinder 8 retracts, the moving frame 3 moves upward, and the front pressure plate 101 and the rear pressure plate 102 release the contact pressure on the PCB circuit board. At the same time, the first front rack 61 and the first rear rack 62 are driven to rise by the front gear 91 and the rear gear 92, thereby causing the dividing cutter 5 to descend and cut the PCB circuit board. After the elastic mechanism in the front pressure plate 101 and rear pressure plate 102 is reset, the front pressure plate 101 and rear pressure plate 102 continue to move upward with the motion frame 3 and disengage from the PCB circuit board. The entire process automatically completes the cutting and retraction of the slitting blade 5, and the slitting blade 5 is always between the front pressure plate 101 and rear pressure plate 102. This can prevent operators from accidentally coming into contact with the sharp slitting blade during operation, maintenance, PCB circuit board replacement and other operations, reduce the risk of operators being cut and ensure personnel safety, and also ensure that the PCB circuit board is gradually pressurized and stably held on the base 1, which greatly reduces damage to the internal multi-layer structure of the PCB circuit board and improves the cutting accuracy and quality of the PCB circuit board.
[0034] Furthermore, the front pressure plate 101 and the rear pressure plate 102 face the surfaces of their respective transition plates and are positioned between their respective two elastic mechanisms, with left and right stops 151 and 152 spaced apart in the left-right direction. A slide rod 16 is positioned between the left and right stops 151 and 152, and left and right sliders 171 and 172 are slidably mounted on the slide rod 16. A first spring 18 is fitted onto the slide rod 16 and positioned between the left and right sliders 171 and 172. The two ends of a left and right connecting rod are movably connected to the lower surface of the front transition plate 71 or the rear transition plate 72, respectively. This makes the force applied to the PCB circuit board by each area of the front pressure plate 101 and the rear pressure plate 102 more uniform, and can also adaptively adjust the contact state with the PCB circuit board to ensure that each area of the PCB circuit board always has sufficient pressure, thereby adapting to PCB circuit boards of different qualities and further improving the cutting accuracy and quality of the PCB circuit board.
[0035] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.
Claims
1. An electronic circuit board processing apparatus comprising: The base (1) is characterized in that: the base (1) is provided with a support frame (2) and a moving frame (3) between the support frame (2) and the base (1), the left end plate (301) and the right end plate (302) are arranged downward at the left and right ends of the moving frame (3), the first support rod (41) and the second support rod (42) are arranged in parallel between the left end plate (301) and the right end plate (302), a pair of first front racks (61) and a pair of first rear racks (62) are respectively fixedly connected to the front side and the rear side of a slitting knife (5) located between the first support rod (41) and the second support rod (42); A front L-shaped hanging plate (303) and a rear L-shaped hanging plate (304) are respectively arranged on the front and rear sides of the moving frame (3), the front transition plate (71) and the rear transition plate (72) located on the front and rear sides of the first support rod (41) and the second support rod (42) are respectively connected to the lower ends of the front L-shaped hanging plate (303) and the rear L-shaped hanging plate (304), and the piston rod (191) of a cylinder (19) installed on the support frame (2) is connected to the moving frame (3); The first front rack (61) and the second front rack (81) are meshingly connected through a front gear (91) sleeved on the first support rod (41), the first rear rack (62) and the second rear rack (82) are meshingly connected through a rear gear (92) sleeved on the second support rod (42), and the front transition plate (71) and the rear transition plate (72) are respectively provided with a front pressing plate (101) and a rear pressing plate (102) below, and a pair of second front racks (81) and a pair of second rear racks (82) are respectively fixed on the front pressing plate (101) and the rear pressing plate (102); A pair of first elastic mechanisms (111) are arranged between the front transition plate (71) and the front pressing plate (101), and a pair of second elastic mechanisms (112) are arranged between the rear transition plate (72) and the rear pressing plate (102); The surfaces of the front pressing plate (101) and the rear pressing plate (102) facing the transition plates and located between the two elastic mechanisms are spaced apart in the left-right direction and provided with a left stop block (151) and a right stop block (152), a sliding rod (16) is arranged between the left stop block (151) and the right stop block (152), a left sliding block (171) and a right sliding block (172) are slidably installed on the sliding rod (16), a first spring (18) is sleeved on the sliding rod (16) and located between the left sliding block (171) and the right sliding block (172), and a left connecting rod (201) and a right connecting rod (202) are respectively movably connected at both ends to the left sliding block (171), the right sliding block (172), the lower surface of the front transition plate (71) or the lower surface of the rear transition plate (72).
2. The electronic circuit board processing apparatus according to claim 1, characterized by, The first elastic mechanism (111) and the second elastic mechanism (112) each consist of an expansion rod (12) and a second spring (13) sleeved on the expansion rod (12).
3. The electronic circuit board processing apparatus according to claim 1, wherein The distance between the left stop block (151) and the right stop block (152) is 30-50% of the length of the pressing plate.
4. The electronic circuit board processing apparatus according to any one of claims 1 to 3, characterized by The lower surface of the base (1) is provided with two supporting feet (14), which are respectively located at the two ends of the base (1).
5. The electronic circuit board processing apparatus according to any one of claims 1 to 3, characterized by The pair of first front toothed bars (61) are respectively located at the two ends of the slitting cutter (5), and the second front toothed bar (81) is correspondingly located at the two ends of the front transition plate (71).
6. The electronic circuit board processing apparatus according to any one of claims 1 to 3, characterized by The pair of first rear toothed bars (62) are respectively located at the two ends of the slitting cutter (5), and the second rear toothed bar (82) is correspondingly located at the two ends of the rear transition plate (72).
7. The electronic circuit board processing apparatus according to any one of claims 1 to 3, characterized by The first supporting rod (41) and the front gear (91) are connected through a first bearing.
8. The electronic circuit board processing apparatus according to any one of claims 1 to 3, characterized by The second supporting rod (42) and the rear gear (92) are connected through a second bearing.
9. The electronic circuit board processing apparatus according to any one of claims 1 to 3, characterized by The front L-shaped hanging plate (303) and the rear L-shaped hanging plate (304) are arranged in the middle part of the moving frame (3).