Circuit board cutting machine and method of using the same

By designing a circuit board cutting machine containing horizontal and vertical cutting modules, the existing PCB split cutting machine has been solved, and an efficient and automated cutting process has been achieved. The use of remote components has been adjusted to ensure good heat dissipation effect.

CN116787535BActive Publication Date: 2025-04-25ZHEJIANG ANAN LI GHTI NG CO LTD
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Patent Information

Application Number
CN202310775369.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-28
Publication Date
2025-04-25
Estimated Expiration
2043-06-28

AI Technical Summary

Technical Problem

The existing PCB plate-partition cutting machines have low working efficiency and poor functionality, which cannot meet the needs of multiple cuttings, resulting in the urgent demand for PCB plate-partition cutting machines with high automation, good cutting stability and high cutting precision.

Method used

A circuit board cutting machine is designed, including a transverse cutting module and a longitudinal cutting module. Through the transport module, the automatic cutting of the circuit board large plate is realized to improve the segmentation efficiency. At the same time, the remote adjustment and close adjustment components are used to ensure that the cut circuit board can be away from cooling and re-closed, making it easier to discharge.

Benefits of technology

It realizes automatic cutting of large circuit boards on one device, improves segmentation efficiency, ensures cutting precision and stability, and prevents high-temperature adhesions by adjusting the components, and achieves good heat dissipation effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention belongs to the technical field of circuit board production, and in particular, relates to a circuit board cutting machine, including a feeding component and a discharging component, and also including a transverse cutting module, a longitudinal cutting module, a transfer module and a distance adjustment component. The transverse cutting module is used to transversely split a large circuit board, and the feeding component is connected to the transverse cutting module, and the feeding component is used to feed the large circuit board to the transverse cutting module; the longitudinal cutting module is used to longitudinally split a large circuit board, and the longitudinal cutting module and the transverse cutting module are arranged perpendicular to each other; the transfer module is arranged between the transverse cutting module and the longitudinal cutting module, and is used to transfer the large circuit board cut by the transverse cutting module to the longitudinal cutting module. The present invention improves the splitting efficiency, and the distance adjustment component enables the cutting surfaces of each circuit board to be kept away from each other after cutting, to prevent high-temperature adhesion, and to achieve a good heat dissipation effect.
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Description

Technical Field

[0001] The invention belongs to the technical field of circuit board production, and in particular relates to a circuit board cutting machine and a use method thereof. Background Art

[0002] With the continuous development of society and the continuous development of science, my country's printed circuit board (PCB) manufacturing industry has developed rapidly in the past decade, with total output value and total output both ranking first in the world. As electronic products are changing with each passing day, price wars have changed the structure of the supply chain. China has both industrial distribution, cost and market advantages and has become the world's most important printed circuit board production base. Printed circuit boards have developed from single-layer to double-sided boards, multi-layer boards and flexible boards, and are constantly developing in the direction of high precision, high density and high reliability. Continuously reducing the size, reducing costs and improving performance, printed circuit boards will still maintain strong vitality in the development of future electronic products. The future development trend of printed circuit board production and manufacturing technology is to develop in the direction of high density, high precision, fine aperture, fine wire, small spacing, high reliability, multi-layer, high-speed transmission, light weight and thinness in terms of performance, so the prospects for PCB are very good.

[0003] In order to facilitate production, the processing of PCB boards is generally to make several small PCB boards on a large board, and make a V-CUT groove on the large board to divide the small PCB boards. After the product is completed, it is divided into several small PCB boards along the V-CUT groove by manual or machine. However, as proposed in a PCB board splitter with patent number CN211967726U, the existing PCB splitter cutting machine can only achieve a single cut, with low work efficiency and poor functionality, and cannot meet the use requirements of multiple cuts. Therefore, the market is in urgent need of a PCB board splitter cutting machine with high automation, good cutting stability, high cutting precision, and efficient production. Summary of the invention

[0004] The purpose of the present invention is to provide a circuit board cutting machine and a method of using the same in order to improve the cutting efficiency.

[0005] In view of this, the present invention provides a circuit board cutting machine, comprising a feeding component and a discharging component, and further comprising:

[0006] A transverse cutting module, which is used to transversely cut the large circuit board. A feeding assembly is connected to the transverse cutting module, and the feeding assembly is used to feed the large circuit board to the transverse cutting module.

[0007] A longitudinal cutting module, the longitudinal cutting module is used to longitudinally cut a large circuit board, and the longitudinal cutting module and the transverse cutting module are arranged perpendicular to each other;

[0008] The transfer module is arranged between the transverse cutting module and the longitudinal cutting module, and is used to transfer the large circuit board cut by the transverse cutting module to the longitudinal cutting module.

[0009] In this technical solution, by providing a transverse cutting module and a longitudinal cutting module, a large circuit board can be automatically cut into individual circuit boards on one device, thereby improving the cutting efficiency.

[0010] Furthermore, the longitudinal cutting module comprises:

[0011] A longitudinal upper cutting assembly, the longitudinal upper cutting assembly comprises a plurality of longitudinal upper cutting knives arranged in parallel along the transverse direction of the circuit board, each longitudinal upper cutting knife is fixedly connected to the upper rotating shaft, and the upper rotating shaft can rotate circumferentially;

[0012] A longitudinal cutting assembly, wherein the longitudinal cutting assembly comprises a plurality of longitudinal cutting knives arranged in parallel along the transverse direction of the circuit board, each of which is fixedly connected to a lower rotating shaft, and the lower rotating shaft can rotate in a circumferential direction;

[0013] There is a corresponding vertical lower cutting knife directly below each vertical upper cutting knife, and a vertical transmission channel for the circuit board is arranged between the vertical upper cutting knife and the vertical lower cutting knife.

[0014] In the present technical solution, when the transfer module transfers the circuit board cut by the transverse cutting module to the longitudinal cutting module, the upper rotating shaft and the lower rotating shaft rotate circumferentially so that the longitudinal upper cutting knife and the longitudinal lower cutting knife work together to cut the circuit board along the longitudinal direction of the circuit board, so that the circuit board is divided into multiple pieces in the transverse direction.

[0015] Furthermore, the circuit board cutting machine is also provided with a positioning component, which is arranged between the longitudinal cutting component and the discharge component, and is used to make the cut circuit boards first move away from each other for cooling and then move closer to each other. The positioning component includes a conveyor belt, a far-adjusting component and a near-adjusting component. The far-adjusting component is arranged at the discharge outlet of the longitudinal cutting component, and is used to make the cut circuit boards move away from each other for cooling. The near-adjusting component is arranged on a side of the far-adjusting component close to the discharge component. The near-adjusting component is used to make the circuit boards move closer to each other after being moved away from each other for cooling.

[0016] In the present technical solution, the temperature of the cut surface of the large circuit board will be higher after being cut by the longitudinal cutting module, and the higher temperature will cause the circuit board to change color or even deform. Therefore, the cutting surfaces of the circuit boards after cutting can be moved away from each other by adjusting the distance component, which can prevent high-temperature adhesion and achieve a good heat dissipation effect by expanding the distance between the cut surfaces. The continuous influence of high temperature during circuit board cutting can be eliminated as soon as possible. In addition, the circuit boards that have been cooled away can be brought closer to each other through the action of the close adjustment component, which is convenient for subsequent discharge.

[0017] Furthermore, the remote adjustment component includes:

[0018] A bevel gear disc, one end of each longitudinal cutter is fixedly connected with a bevel gear disc, the bevel gear disc is coaxial with the longitudinal cutter, and a plurality of meshing gear groups are arranged at intervals on the bevel gear disc;

[0019] Bevel gears, each bevel gear plate corresponds to a bevel gear meshing with it, the upper end of the bevel gear is coaxially connected to a drive shaft, the outer periphery of the drive shaft is provided with transmission teeth, and the number of teeth of the meshing gear group is equal to half the number of teeth of the bevel gear;

[0020] A distance adjustment rod is provided on each longitudinal cutting knife discharge side, and a transmission tooth is also provided on the outer periphery of the distance adjustment rod. The distance adjustment rod extends from one end of the circuit board to between the two circuit boards and is provided with a distance adjustment portion, which is an ellipsoid;

[0021] Among them, the end of the distance adjustment rod and the drive shaft away from the circuit board are both rotatably set on the distance adjustment fixed plate, and the distance adjustment part and the drive shaft are connected through a toothed belt transmission. The toothed belt is tensioned and meshes with the transmission teeth on the outer periphery of the distance adjustment rod and the drive shaft.

[0022] In the present technical scheme, when the cutting knife rotates longitudinally to cut the large circuit board, it can drive the bevel gear disk to rotate, and the rotation of the bevel gear disk can drive the distance adjustment rod to rotate circumferentially through the toothed belt. When the ellipsoid at the end of the distance adjustment rod rotates, and the number of teeth of the meshing tooth group is equal to half the number of teeth of the bevel gear, that is, when a set of meshing tooth groups is engaged with the bevel gear, it can just make the bevel gear rotate 180 degrees, and the ellipsoid also rotates 180 degrees, so that the ellipsoid squeezes and pushes the circuit boards apart between the cutting surfaces of the two circuit boards, so that the two adjacent circuit boards are moved away from each other, so that the cutting surfaces of the circuit boards after cutting are moved away from each other, high-temperature adhesion is prevented, and a good heat dissipation effect is achieved. The distance adjustment part starts to rotate at the middle position of each circuit board, which can make the circuit board move naturally without jamming, and the distance adjustment part is in point contact with the cutting surface of the circuit board, and the contact surface is small, which does not affect the heat dissipation.

[0023] Furthermore, the approaching assembly includes two baffles parallel to each other, each baffle includes a straight section and an inclined section, the straight section is close to the longitudinal cutting module, and the inclined section is close to the discharge assembly. The distance between the straight sections of the two baffles is greater than the sum of the lateral width of each circuit board and the long axis of each ellipsoid, and the distance between the inclined sections of the two baffles gradually decreases toward the discharge assembly.

[0024] In the present technical solution, the circuit board that has been distanced by the distance adjustment component continues to be transmitted on the conveyor belt, and continues to transmit and dissipate heat according to the distance after the adjustment through the straight section. When it is transmitted to the inclined section, the distance between the inclined sections of the two baffles gradually decreases toward the direction of the discharge component, and therefore the circuit boards are squeezed by the circuit boards on both sides to make the circuit boards close to each other until they reach the discharge component. The distance between the circuit boards is minimized, meeting the discharge requirements of the discharge component.

[0025] Furthermore, the transverse cutting module comprises an upper transverse cutting knife and a lower transverse cutting knife which can rotate circumferentially and correspond to each other up and down, and a transverse transmission channel for the large circuit board is arranged between the upper transverse cutting knife and the lower transverse cutting knife.

[0026] Furthermore, the feeding assembly includes a feeding frame and a transverse pushing cylinder. A large circuit board is arranged in the feeding frame. The feeding frame is arranged between the pushing cylinder and the transverse cutting module. The transverse pushing cylinder is arranged correspondingly at the lower end of the side of the feeding frame. The transverse pushing cylinder is used to push the large circuit board in the feeding frame into the transverse transmission channel between the upper transverse cutting knife and the lower transverse cutting knife.

[0027] In this technical solution, the piston rod of the horizontal pushing cylinder extends to push the large circuit board in the feed frame into the horizontal transmission channel between the upper cutting knife and the horizontal lower cutting knife. At the same time, the upper horizontal cutting knife and the horizontal lower cutting knife rotate to cut the large circuit board in the moving horizontal transmission channel.

[0028] Furthermore, the transfer module comprises:

[0029] A transfer roller, which is arranged below the output end of the transverse transmission channel and can rotate in a circumferential direction;

[0030] The transfer cylinder is in the same straight line as the longitudinal cutting module. A push block is provided at the outer end of the piston rod of the transfer cylinder. The push block is provided on the extension line of the entrance of the longitudinal transmission channel. The piston rod of the transfer cylinder is in the same straight line as the longitudinal transmission channel.

[0031] In this technical solution, the rotation of the transfer roller can drive the large circuit board cut by the transverse cutting module to the entrance of the longitudinal transmission channel. The piston rod of the transfer cylinder extends, which can enable the push block to push the large circuit board into the longitudinal transmission channel and move along the longitudinal transmission channel to be cut by the longitudinal cutting module.

[0032] Furthermore, the discharging assembly comprises:

[0033] A discharging part, the discharging part comprises a belt transmission assembly, and a discharging plate is arranged on the outer periphery of the transmission belt of the belt transmission assembly;

[0034] The material blocking member is arranged at the front side of the material discharging assembly, and the material blocking member can slide up and down along a direction perpendicular to the transmission direction of the conveyor belt.

[0035] In this technical solution, when the circuit board is moved to the outlet of the blocking piece, the blocking piece will block the circuit board. During the transmission process of the conveyor belt of the discharge part, the discharge plate on the conveyor belt will push the circuit board to one side of the conveyor belt for discharge. After the discharge is completed, the blocking piece is lifted, and the next group of circuit boards continue to move toward the discharge part for discharge, and this cycle is repeated.

[0036] Furthermore, the method for using the circuit board cutting machine includes:

[0037] S1: Feeding, pushing the large circuit board to the horizontal cutting module through the feeding assembly;

[0038] S2: Horizontal cutting: the horizontal cutting module performs horizontal cutting on the circuit board;

[0039] S3: Transfer, the large circuit board cut horizontally in S2 is transferred to the longitudinal cutting module through the transfer module;

[0040] S4: longitudinal cutting, the longitudinal cutting module performs longitudinal cutting on the circuit board, so that the independent circuit boards on the circuit board are separated;

[0041] S5: adjusting the distance to dissipate heat, by rotating the longitudinal upper cutting knife of the longitudinal cutting module to drive the distance adjustment component to rotate the ellipsoidal distance adjustment part of the distance adjustment rod by 180 degrees, so that the ellipsoid squeezes and pushes the circuit boards apart between the cutting surfaces of the two circuit boards, so that the two adjacent circuit boards are away from each other;

[0042] S6: Close adjustment: by adjusting the components, the circuit boards are brought closer to each other to facilitate subsequent discharge.

[0043] S7: Discharging: the circuit boards are discharged in groups from one side of the conveyor belt through the discharging assembly.

[0044] The beneficial effects of the present invention are:

[0045] 1. By setting up the horizontal cutting module and the vertical cutting module, the large circuit board can be automatically cut into individual circuit boards on one device, thereby improving the cutting efficiency.

[0046] 2. The distance adjustment component can make the ellipsoid squeeze and push the circuit boards apart between the cutting surfaces of two circuit boards, so that two adjacent circuit boards are moved away from each other, so that the cutting surfaces of each circuit board after cutting are moved away from each other, to prevent high-temperature adhesion and achieve a good heat dissipation effect. The distance adjustment part starts to rotate at the middle position of each circuit board, which can make the circuit board move naturally without jamming. The distance adjustment part and the cutting surface of the circuit board are point contact, the contact area is small, and does not affect the heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 is a stereogram of the present invention;

[0048] Figure 2 is a cross-sectional view of the present invention;

[0049] Figure 3 is a schematic diagram of the remote adjustment component of the present invention;

[0050] Figure 4 is a side view of the longitudinal cutting module;

[0051] Figure 5 yes Figure 4 A partial enlarged view of

[0052] Figure 6 is a partial top view of the present invention;

[0053] Figure 7 It is a top view of the close-up components and circuit board;

[0054] Figure 8 It is a stereogram of the front part of the present invention;

[0055] Fig. 9 It is another perspective stereogram of the front part of the present invention;

[0056] Fig.10 is a stereogram of the discharging assembly of the present invention;

[0057] The symbols in the figure are:

[0058] 1. Feeding assembly; 2. Discharging assembly; 3. Horizontal cutting module; 4. Vertical cutting module; 5. Transfer module; 6. Circuit board; 7. Vertical upper cutting knife; 8. Upper rotating shaft; 9. Vertical lower cutting knife; 10. Lower rotating shaft; 11. Vertical transmission channel; 12. Conveyor belt; 13. Distance adjustment assembly; 14. Close adjustment assembly; 15. Bevel gear plate; 16. Bevel gear; 17. Distance adjustment rod; 18. Meshing gear set; 19. Drive shaft; 2 0. Distance adjustment unit; 21. Distance adjustment fixing plate; 22. Toothed belt; 23. Baffle; 24. Straight section; 25. Inclined section; 26. Upper horizontal cutting knife; 27. Lower horizontal cutting knife; 28. Horizontal transmission channel; 29. ​​Feed frame; 30. Horizontal pushing cylinder; 31. Transfer roller; 32. Transfer cylinder; 33. Push block; 34. Discharging unit; 35. Baffle; 36. Belt drive assembly; 37. Drive belt; 38. Discharging plate. DETAILED DESCRIPTION

[0059] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0060] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0061] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0062] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0063] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0064] Embodiment 1:

[0065] like Figure 1 As shown, a circuit board 6 cutting machine includes a feed assembly 1 and a discharge assembly 2, and also includes a transverse cutting module 3, a longitudinal cutting module 4 and a transfer module 5. The transverse cutting module 3 is used to transversely cut a large circuit board 6, and the feed assembly 1 is connected to the transverse cutting module 3, and the feed assembly 1 is used to feed the large circuit board 6 to the transverse cutting module 3; the longitudinal cutting module 4 is used to longitudinally cut a large circuit board 6, and the longitudinal cutting module 4 and the transverse cutting module 3 are arranged perpendicular to each other; the transfer module 5 is arranged between the transverse cutting module 3 and the longitudinal cutting module 4, and is used to transfer the large circuit board 6 cut by the transverse cutting module 3 to the longitudinal cutting module 4. By setting the transverse cutting module 3 and the longitudinal cutting module 4, the large circuit board 6 can be automatically cut into individual circuit boards 6 on one device, thereby improving the cutting efficiency.

[0066] Embodiment 2:

[0067] like Figure 2-4 As shown, the longitudinal cutting module 4 includes a longitudinal upper cutting component and a longitudinal lower cutting component. The longitudinal upper cutting component includes a plurality of longitudinal upper cutting knives 7 arranged in parallel along the transverse direction of the circuit board 6, each of which is fixedly connected to an upper rotating shaft 8, and the upper rotating shaft 8 can rotate in a circumferential direction; the longitudinal lower cutting component includes a plurality of longitudinal lower cutting knives 9 arranged in parallel along the transverse direction of the circuit board 6, each of which is fixedly connected to a lower rotating shaft 10, and the lower rotating shaft 10 can rotate in a circumferential direction; there is a longitudinal lower cutting knife 9 directly below each longitudinal upper cutting knife 7, and a longitudinal transmission channel 11 of the circuit board 6 is arranged between the longitudinal upper cutting knife 7 and the longitudinal lower cutting knife 9.

[0068] When the transfer module 5 transfers the circuit board 6 cut by the transverse cutting module 3 to the longitudinal cutting module 4, the upper rotating shaft 8 and the lower rotating shaft 10 rotate circumferentially so that the longitudinal upper cutting knife 7 and the longitudinal lower cutting knife 9 work together to cut the circuit board 6 along the longitudinal direction of the circuit board 6, so that the circuit board 6 is divided into multiple pieces in the transverse direction.

[0069] Embodiment 3:

[0070] like Figure 2-6 As shown, the circuit board 6 cutting machine is also provided with a positioning component, which is arranged between the longitudinal cutting component and the discharge component 2, and is used to make the cut circuit boards 6 first move away from each other for cooling and then move closer to each other. The positioning component includes a conveyor belt 12, a distance adjustment component 13 and a close adjustment component 14. The distance adjustment component 13 is arranged at the discharge outlet of the longitudinal cutting component, and is used to make the cut circuit boards 6 move away from each other for cooling. The close adjustment component 14 is arranged on a side of the distance adjustment component 13 close to the discharge component 2. The close adjustment component 14 is used to make the circuit boards 6 move closer to each other after being moved away from each other for cooling. After the large circuit board 6 is cut by the longitudinal cutting module 4, the temperature on the cutting surface will be higher, and the higher temperature will cause the circuit board 6 to change color or even deform. Therefore, the cutting surfaces of the circuit boards 6 after cutting can be moved away from each other by the distance adjustment component 13, which can prevent high-temperature adhesion and achieve a good heat dissipation effect by expanding the distance between the cutting surfaces. The continuous influence of the high temperature when the circuit board 6 is cut can be eliminated as soon as possible. In addition, the circuit boards 6 that have been cooled away can be moved closer to each other through the action of the close adjustment component 14, which is convenient for subsequent discharge.

[0071] The distance adjustment component 13 includes a bevel gear 15, a bevel gear 16 and a distance adjustment rod 17. A bevel gear 15 is fixedly connected to one end of each longitudinal upper cutting knife 7. The bevel gear 15 is coaxial with the longitudinal upper cutting knife 7. Multiple groups of meshing gear groups 18 are arranged at intervals on the bevel gear 15. Each bevel gear 15 corresponds to a meshing bevel gear 16. The upper end of the bevel gear 16 is coaxially connected to a drive shaft 19. The outer periphery of the drive shaft 19 is provided with transmission teeth. The number of teeth of the meshing gear group 18 is equal to half of the number of teeth of the bevel gear 16. Each longitudinal upper cutting knife 7 is provided with an adjustment rod on its discharge side. The far rod 17 is also provided with transmission teeth on the outer periphery of the far rod 17. The end of the far rod 17 facing the circuit board 6 extends to between the two circuit boards 6 and is provided with a far adjustment part 20, which is an ellipsoid; the far adjustment rod 17 and the end of the drive shaft 19 away from the circuit board 6 are both rotatably set on the far adjustment fixed plate 21, and the far adjustment part 20 is connected to the drive shaft 19 through a toothed belt 22. The toothed belt 22 is tensioned and meshes with the transmission teeth on the outer periphery of the far adjustment rod 17 and the drive shaft 19.

[0072] When the cutting knife 7 rotates in the longitudinal direction to cut the large circuit board 6, it can drive the bevel gear disc 15 to rotate, and the rotation of the bevel gear disc 15 can drive the adjustment rod 17 to rotate circumferentially through the toothed belt 22. When the ellipsoid at the end of the adjustment rod 17 rotates, and the number of teeth of the meshing tooth group 18 is equal to half of the number of teeth of the bevel gear 16, that is, when a group of meshing tooth groups 18 and the bevel gear 16 are engaged, the bevel gear 16 can be rotated 180 degrees. Then the ellipsoid also rotates 180 degrees, so that the ellipsoid squeezes and pushes the circuit board 6 between the cutting surfaces of the two circuit boards 6, so that the two adjacent circuit boards 6 are separated from each other, so that the cutting surfaces of each circuit board 6 after cutting are separated from each other, high-temperature adhesion is prevented, and a good heat dissipation effect is achieved. The adjustment part 20 starts to rotate at the middle position of each circuit board 6, which can make the circuit board 6 move naturally without jamming, and the adjustment part 20 is in point contact with the cutting surface of the circuit board 6, and the contact surface is small, which does not affect the heat dissipation.

[0073] like Figure 6-7 As shown, the close adjustment component 14 includes two baffles 23 parallel to each other, each baffle 23 includes a straight section 24 and an inclined section 25, the straight section 24 is close to the longitudinal cutting module 4, the inclined section 25 is close to the discharge component 2, the distance between the straight sections 24 of the two baffles 23 is greater than the sum of the transverse width of each circuit board 6 and the major axis of each ellipsoid, and the distance between the inclined sections 25 of the two baffles 23 gradually decreases toward the discharge component 2. The circuit board 6 adjusted far away by the far adjustment component 13 continues to be transported on the conveyor belt 12, and continues to be transported and dissipated according to the distance adjusted after passing through the straight section 24. When it is transported to the inclined section 25, because the distance between the inclined sections 25 of the two baffles 23 gradually decreases toward the discharge component 2, it is squeezed by the circuit boards 6 on both sides to make the circuit boards 6 close to each other until it reaches the discharge component 2, and the distance between the circuit boards 6 is minimized, meeting the discharge requirements of the discharge component 2.

[0074] Embodiment 4:

[0075] like Figure 8As shown, the transverse cutting module 3 includes a transverse upper cutting knife 26 and a transverse lower cutting knife 27 that can rotate in the circumferential direction and correspond to each other up and down, and a transverse transmission channel 28 for the large board of the circuit board 6 is arranged between the transverse upper cutting knife 26 and the transverse lower cutting knife 27. The feeding assembly 1 includes a feeding frame 29 and a transverse pushing cylinder 30. The large board of the circuit board 6 is arranged in the feeding frame 29. The feeding frame 29 is arranged between the pushing cylinder and the transverse cutting module 3. The transverse pushing cylinder 30 is correspondingly arranged at the lower end of the side of the feeding frame 29. The transverse pushing cylinder 30 is used to push the large board of the circuit board 6 in the feeding frame 29 into the transverse transmission channel 28 between the upper transverse cutting knife and the transverse lower cutting knife 27. The piston rod of the transverse pushing cylinder 30 extends to push the large board of the circuit board 6 in the feeding frame 29 into the transverse transmission channel 28 between the upper cutting knife and the transverse lower cutting knife 27, and at the same time, the upper transverse cutting knife 26 and the transverse lower cutting knife 27 rotate to cut and move the large board of the circuit board 6 in the transverse transmission channel 28.

[0076] Embodiment 5:

[0077] like Figure 2 and Fig. 9 As shown, the transfer module 5 includes a transfer roller 31 and a transfer cylinder 32. The transfer roller 31 is arranged below the output end of the transverse transmission channel 28, and can rotate in a circumferential direction; the transfer cylinder 32 is in the same straight line as the longitudinal cutting module 4, and a push block 33 is arranged at the outer end of the piston rod of the transfer cylinder 32. The push block 33 is arranged on the extension line of the entrance of the longitudinal transmission channel 11, and the piston rod of the transfer cylinder 32 is in the same straight line as the longitudinal transmission channel 11. The rotation of the transfer roller 31 can drive the circuit board 6 cut by the transverse cutting module 3 to the entrance of the longitudinal transmission channel 11, and the piston rod of the transfer cylinder 32 is extended, so that the push block 33 can push the circuit board 6 into the longitudinal transmission channel 11 and move along the longitudinal transmission channel 11 to be cut by the longitudinal cutting module 4.

[0078] Embodiment 6:

[0079] like Fig.10 As shown, the discharging assembly 2 includes a discharging portion 34 and a stopper 35. The discharging portion 34 includes a belt transmission assembly 36, and a discharging plate 38 is arranged on the outer periphery of the transmission belt 37 of the belt transmission assembly 36; the stopper 35 is arranged at the front side of the discharging portion 34, and the stopper 35 can slide up and down along the direction perpendicular to the transmission direction of the conveyor belt 12. When the circuit board 6 is moved to the stopper 35, the stopper 35 blocks the circuit board 6. During the transmission process of the transmission belt 37 of the discharging portion 34, the discharging plate 38 on the transmission belt 37 will push the circuit board 6 to the side of the conveyor belt 12 to discharge. After the discharging is completed, the stopper 35 is lifted, and the next group of circuit boards 6 continue to move toward the discharging portion 34 to discharge, and this cycle is repeated.

[0080] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A circuit board (6) cutting machine, characterized in that , comprising a feed assembly (1) and a discharge assembly (2), and further comprising: A transverse cutting module (3), the transverse cutting module (3) being used to transversely cut a large circuit board (6), a feeding assembly (1) being connected to the transverse cutting module (3), and the feeding assembly (1) being used to feed the large circuit board (6) to the transverse cutting module (3); A longitudinal cutting module (4), the longitudinal cutting module (4) being used to longitudinally cut a large circuit board (6), the longitudinal cutting module (4) and the transverse cutting module (3) being arranged perpendicular to each other; A transfer module (5), the transfer module (5) being arranged between the transverse cutting module (3) and the longitudinal cutting module (4), and being used for transferring the circuit board (6) cut by the transverse cutting module (3) to the longitudinal cutting module (4); The circuit board (6) cutting machine is also provided with a positioning component, the positioning component being arranged between the longitudinal cutting component and the discharge component (2) and being used to make the cut circuit boards (6) first move away from each other for cooling and then move closer to each other, the positioning component comprising a conveyor belt (12), a distance adjustment component (13) and a close adjustment component (14), the distance adjustment component (13) being arranged at the discharge outlet of the longitudinal cutting component and being used to make the cut circuit boards (6) move away from each other for cooling, the close adjustment component (14) being arranged on a side of the distance adjustment component (13) close to the discharge component (2), and the close adjustment component (14) being used to make the circuit boards (6) move closer to each other after being moved away from each other for cooling; The remote adjustment component (13) comprises: A conical toothed disc (15), one end of each longitudinal upper cutting knife (7) being fixedly connected to the conical toothed disc (15), the conical toothed disc (15) being coaxial with the longitudinal upper cutting knife (7), and a plurality of groups of meshing teeth (18) being arranged at intervals on the conical toothed disc (15); bevel gears (16), each bevel gear disc (15) corresponds to a bevel gear (16) meshing therewith, the upper end of the bevel gear (16) is coaxially connected to a drive shaft (19), the outer periphery of the drive shaft (19) is provided with transmission teeth, and the number of teeth of the meshing gear set (18) is equal to half the number of teeth of the bevel gear (16); A distance adjustment rod (17), each longitudinal upper cutting knife (7) is provided with a distance adjustment rod (17) on its discharge side, a transmission tooth is also provided on the outer periphery of the distance adjustment rod (17), one end of the distance adjustment rod (17) facing the circuit board (6) extends between the two circuit boards (6) and is provided with a distance adjustment portion (20), the distance adjustment portion (20) being ellipsoidal; The ends of the distance adjustment rod (17) and the drive shaft (19) away from the circuit board (6) are both rotatably arranged on the distance adjustment fixing plate (21), and the distance adjustment portion (20) and the drive shaft (19) are connected to each other through a toothed belt (22). The toothed belt (22) is tensioned and meshes with the transmission teeth on the outer periphery of the distance adjustment rod (17) and the drive shaft (19).

2. A circuit board (6) cutting machine according to claim 1, characterized in that: The longitudinal cutting module (4) comprises: A longitudinal upper cutting assembly, the longitudinal upper cutting assembly comprising a plurality of longitudinal upper cutting knives (7) arranged in parallel along the transverse direction of the circuit board (6), each longitudinal upper cutting knife (7) being fixedly connected to an upper rotating shaft (8), and the upper rotating shaft (8) being capable of circumferential rotation; A longitudinal cutting assembly, the longitudinal cutting assembly comprising a plurality of longitudinal cutting knives (9) arranged in parallel along the transverse direction of the circuit board (6), each longitudinal cutting knives (9) being fixedly connected to a lower rotating shaft (10), and the lower rotating shaft (10) being capable of circumferential rotation; There is a corresponding longitudinal lower cutting knife (9) directly below each longitudinal upper cutting knife (7), and a longitudinal transmission channel (11) for the circuit board (6) is provided between the longitudinal upper cutting knife (7) and the longitudinal lower cutting knife (9).

3. A circuit board (6) cutting machine according to claim 2, characterized in that: The approaching assembly (14) comprises two baffles (23) parallel to each other, each baffle (23) comprising a straight section (24) and an inclined section (25), the straight section (24) being close to the longitudinal cutting module (4), and the inclined section (25) being close to the discharge assembly (2), the distance between the straight sections (24) of the two baffles (23) being greater than the sum of the lateral width of each circuit board (6) and the major axis of each ellipsoid, and the distance between the inclined sections (25) of the two baffles (23) gradually decreasing towards the discharge assembly (2).

4. A circuit board (6) cutting machine according to claim 3, characterized in that: The transverse cutting module (3) comprises an upper transverse cutting knife (26) and a lower transverse cutting knife (27) which are rotatable in the circumferential direction and correspond to each other up and down, and a transverse transmission channel (28) for a large circuit board (6) is provided between the upper transverse cutting knife (26) and the lower transverse cutting knife (27).

5. A circuit board (6) cutting machine according to claim 4, characterized in that: The feed assembly (1) comprises a feed frame (29) and a transverse push cylinder (30), a large circuit board (6) is arranged in the feed frame (29), the feed frame (29) is arranged between the push cylinder and the transverse cutting module (3), the transverse push cylinder (30) is arranged correspondingly at the lower end of the side of the feed frame (29), and the transverse push cylinder (30) is used to push the large circuit board (6) in the feed frame (29) into the transverse transmission channel (28) between the upper transverse cutting knife and the lower transverse cutting knife (27).

6. A circuit board (6) cutting machine according to claim 5, characterized in that: The transfer module (5) comprises: A transfer roller (31), which is arranged below the output end of the transverse transmission channel (28), and the transfer roller (31) can rotate in a circumferential direction; A transfer cylinder (32), wherein the transfer cylinder (32) and the longitudinal cutting module (4) are in the same straight line, a push block (33) is provided at the outer end of the piston rod of the transfer cylinder (32), the push block (33) is arranged on the extension line of the entrance of the longitudinal transmission channel (11), and the piston rod of the transfer cylinder (32) and the longitudinal transmission channel (11) are in the same straight line.

7. A circuit board (6) cutting machine according to claim 6, characterized in that: The discharging component (2) comprises: A discharge portion (34), the discharge portion (34) comprising a belt transmission assembly (36), a discharge plate (38) being arranged on the outer periphery of a transmission belt (37) of the belt transmission assembly (36); A material blocking member (35) is arranged on the front side of the material discharging assembly (2), and the material blocking member (35) can slide up and down along a direction perpendicular to the transmission direction of the conveyor belt (12).

8. A method for using a circuit board (6) cutting machine according to claim 7, characterized in that: The following steps are involved: S1: feeding, pushing the circuit board (6) to the horizontal cutting module (3) through the feeding assembly (1); S2: Horizontal cutting, the horizontal cutting module (3) performs horizontal cutting on the circuit board (6); S3: Transferring, transferring the large circuit board (6) cut horizontally in S2 to the longitudinal cutting module (4) through the transfer module (5); S4: longitudinal cutting, the longitudinal cutting module (4) performs longitudinal cutting on the circuit board (6) so that the independent circuit boards (6) on the circuit board (6) are separated; S5: adjusting the distance to dissipate heat, by rotating the longitudinal upper cutting knife (7) of the longitudinal cutting module (4) to drive the distance adjustment component (13) to rotate the ellipsoidal distance adjustment portion (20) of the distance adjustment rod (17) by 180 degrees, so that the ellipsoid squeezes and pushes the circuit boards (6) apart between the cutting surfaces of the two circuit boards (6), so that the two adjacent circuit boards (6) are moved away from each other; S6: bringing the circuit boards (6) closer together by means of the bringing-close assembly (14) to facilitate subsequent discharge; S7: Discharging, the circuit boards (6) are discharged in groups from one side of the conveyor belt (12) through the discharging assembly (2).

Citation Information

Patent Citations

  • PCB (printed circuit board) splitting machine

    CN211967726U

  • Modular cutting device for high-strength PP module machining and using method of modular cutting device

    CN112873395A