PCB cutting device
The clamping mechanism in the PCB board cutting device addresses the issue of fixing boards of varying lengths by using a rotating disk and servo motor system, ensuring secure fixation and improved operational stability.
Patent Information
- Application Number
- CN202420744115.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-11
AI Technical Summary
Existing PCB board cutting devices struggle to effectively fix PCB boards of varying lengths due to limitations in the fixing mechanism, leading to poor practicality.
A clamping mechanism is introduced, comprising a rotating disk, gear ring, servo motor, and connecting rods, which allows the clamping plates to adjust to different board lengths, ensuring secure fixation.
The clamping mechanism enables the device to securely hold PCB boards of different lengths, enhancing the device's versatility and stability during cutting operations.
Smart Images

Figure CN222154300U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PCB board cutting, in particular to a PCB board cutting device. Background Art
[0002] PCB board is the carrier of electronic components, and in order to obtain PCB boards of the same size, it is necessary to cut the board through a corresponding cutting device. According to the patent document: CN201922226084.1, a PCB board cutting device is proposed, which relates to the field of cutting devices, including a workbench, a cutting machine is arranged on the top of the workbench, a collection box is slidably connected to the bottom of the cutting machine, a bracket is arranged at one end of the cutting machine, and a slide is arranged on the top of the bracket, and a gun head is slidably connected to the slide. When the utility model is cutting a PCB board, an external force is used to open the movable door on the protective cover, and an uncut PCB board is placed on the storage board, and the PCB board is limited by a fixing card, so that the PCB board is more stable during cutting and is not easy to tilt, so as to avoid operating errors. The movable door is closed, and an operating box is set, and the gun head is adjusted to a suitable position, and an operating button is pressed to start cutting of the cutting machine. Powder and waste generated during the cutting process can be ejected from the nozzle through the air intake pipe by the gas output by the blower, and some waste and dust enter the collection box through the groove, so that the operating table is clean.
[0003] However, in the PCB cutting device of the above technology, the fixing card on the storage plate can only effectively fix PCB boards of the same size. For PCB boards of longer lengths, it is difficult to effectively fix them through the fixing card, which makes the practicability poor. Therefore, a PCB cutting device is proposed to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a PCB board cutting device to solve the problem that the fixing card on the storage plate proposed in the above background technology can only effectively fix PCB boards of the same size, and it is difficult to effectively fix PCB boards of longer lengths through the fixing card, resulting in poor practicality.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PCB board cutting device, comprising a device body, a laser cutter, a movable plate and a storage plate, characterized in that: a clamping mechanism is arranged inside the storage plate, the clamping mechanism comprises a rotating disk, the rotating disk is rotatably connected to the inside of the storage plate, a gear ring is sleeved on the rotating disk, the gear ring is meshed with a gear, the gear is fixedly connected to a servo motor, two groups of connecting rods are rotatably connected to the rotating disk, the connecting rod is rotatably connected to a fixed rod, a clamping plate and two groups of long rods are fixedly connected to the fixed rod, a support rod is fixedly connected to the long rod, and the support rod is slidably connected in a slide groove.
[0006] Preferably, two groups of clamping grooves are provided on the inner wall of the slide groove, and clamping blocks are slidably connected inside the clamping grooves, and the clamping blocks are fixedly connected to the support rod.
[0007] Preferably, a cushion block is fixedly connected to one side of the inner wall of the slot, and the cushion block is made of rubber material.
[0008] Preferably, the fixing rod is designed in an L-shape, and the fixing rod is slidably connected in a through slot, the through slot is opened on the left and right sides of the storage plate, two groups of grooves are opened on the inner wall of the through slot, and a long block is slidably connected inside the groove, and the long block is fixedly connected to the bottom end of the fixing rod.
[0009] Preferably, a gasket is fixedly connected inside the splint, and the gasket is provided in three groups.
[0010] Preferably, ventilation slots are provided on both the left and right sides of the storage plate, and three groups of ventilation slots are provided.
[0011] Preferably, four groups of positioning columns are fixedly connected to the bottom end of the storage plate, and the positioning columns are inserted into the movable plate.
[0012] Preferably, the bottom ends of the front and rear sides of the storage plate are fixedly connected with plug blocks, the plug blocks are inserted into the interior of the movable plate, and screws are threadedly connected to the plug blocks.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. Through the structural design of the clamping mechanism, the gear drives the rotating disk to rotate and then moves the clamping plates on both sides of the storage plate, so that the clamping plates can clamp and fix PCB boards of different lengths and sizes, thus realizing the function of the storage plate being able to clamp and fix PCB boards of different lengths and sizes;
[0015] 2. Through the structural design of the card slot and the card block, when the support rod moves in the slide groove, the fixed card block on the support rod slides in the card slot, so that the stability of the support rod when moving can be ensured through the contact between the card block and the inner wall of the card slot. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 2 It is a structural schematic diagram of the movable plate and the storage plate of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure inside the storage board of the utility model;
[0019] Figure 4 This is a schematic diagram of the connection structure of the fixing rod of the utility model;
[0020] Figure 5 It is a structural schematic diagram of the chute of the utility model.
[0021] In the figure: 1. device body; 20. laser cutter; 21. moving plate; 22. storage plate; 23. rotating disk; 24. gear ring; 25. gear; 26. servo motor; 27. connecting rod; 28. fixing rod; 29. long rod; 30. clamping plate; 31. supporting rod; 32. slide groove; 33. through groove; 34. card slot; 35. cushion block; 36. positioning column; 37. ventilation groove; 38. groove; 39. plug-in block; 40. card block; 41. long block; 42. gasket. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model provides a technical solution: a PCB board cutting device, including a device body 1, a laser cutter 20, a moving plate 21 and a storage plate 22, characterized in that: a clamping mechanism is arranged inside the storage plate 22, the clamping mechanism includes a rotating disk 23, the rotating disk 23 is rotatably connected to the inside of the storage plate 22, a gear ring 24 is sleeved on the rotating disk 23, the gear ring 24 is meshed with a gear 25, the gear 25 is fixedly connected to a servo motor 26, and two groups of connecting rods 27 are rotatably connected to the rotating disk 23, and the connecting rod 27 and the fixed rod 28 are connected to the rotating disk 23. The fixed rod 28 is connected with a clamping plate 30 and two groups of long rods 29, and the long rod 29 is connected with a support rod 31. The support rod 31 is slidably connected in the slide groove 32. Through the structural design of the clamping mechanism, the gear 25 drives the rotating disk 23 to rotate and then moves the clamping plates 30 on both sides of the storage plate 22, so that the clamping plates 30 can clamp and fix PCB boards of different lengths, thereby realizing the function of the storage plate 22 to clamp and fix PCB boards of different lengths. The moving plate 21 is driven by the linear motor at the bottom. The moving plate 21 moves inside the device body 1, and the moving plate 21 drives the placement plate 22 to move so that the laser cutter 20 can cut the PCB placed on the placement plate 22. When the PCBs of different lengths are to be cut, the servo motor 26 is first used to drive the gear 25 to rotate, the gear 25 and the gear ring 24 are engaged, and the rotating disk 23 rotates inside the placement plate 22. One side of the rotating disk 23 rotates. During the rotation of the rotating disk 23, the two sets of connecting rods 2 connected to the top of the rotating disk 23 are rotated. 7 will push the fixing rod 28 to move, and the clamping plate 30 is connected to the fixing rod 28. The clamping plate 30 can move to both sides at this time to clamp PCB boards of different lengths. The fixing rod 28 will drive the support rod 31 to move in the slide groove 32 during the movement. The top of the support rod 31 and the top of the storage plate 22 are kept horizontal, so that when the fixing rod 28 moves to both sides, the support rod 31 can provide support for the PCB board to prevent it from being partially suspended. The servo motor 26 is fixed to the bottom end of the storage plate 22 to prevent it from moving during operation.
[0024] See also Figure 2 , Figure 3 , Figure 4 and Figure 5Two groups of card slots 34 are provided on the inner wall of the slide slot 32, and a card block 40 is slidably connected inside the card slot 34, and the card block 40 is fixedly connected to the support rod 31. A cushion block 35 is fixedly connected on one side of the inner wall of the card slot 34, and the cushion block 35 is made of rubber. The fixed rod 28 is designed in an L shape, and the fixed rod 28 is slidably connected to the through slot 33. The through slot 33 is provided on the left and right sides of the storage plate 22. Two groups of grooves 38 are provided on the inner wall of the through slot 33, and a long block 41 is slidably connected inside the groove 38. The long block 41 is fixedly connected to the bottom end of the fixed rod 28. Through the structural design of the card slot 34 and the card block 40, the support When the rod 31 moves in the slide groove 32, the fixed block 40 on the support rod 31 slides in the groove 34, so that the stability of the support rod 31 when moving can be ensured through the contact between the block 40 and the inner wall of the groove 34. The cushion block 35 is made of rubber material and is used to buffer the block 40 and the inner wall of the groove 34 when the block 40 slides in the groove 34. The fixed rod 28 slides in the through groove 33 and two groups of long blocks 41 are fixed to the bottom end of the fixed rod 28. When the fixed rod 28 moves, the long block 41 will contact the groove 38, thereby ensuring that the fixed rod 28 can stably move in the through groove 33.
[0025] See also Figure 2 , Figure 3 , Figure 4 and Figure 5 , the inside of the clamping plate 30 is fixedly connected with a gasket 42, and the gasket 42 is provided with three groups. The left and right sides of the storage plate 22 are provided with ventilation slots 37, and the ventilation slots 37 are provided with three groups. The bottom end of the storage plate 22 is fixedly connected with four groups of positioning columns 36, and the positioning columns 36 are inserted on the moving plate 21. The bottom ends of the front and rear sides of the storage plate 22 are fixedly connected with plug blocks 39, and the plug blocks 39 are inserted in the inside of the moving plate 21. The plug blocks 39 are threaded with screws. The gasket 42 is made of rubber material, so that the clamping plate 30 can better align the side of the PCB board. The ventilation groove 37 is used to ensure that the air at the bottom end of the storage plate 22 can circulate normally with the outside world, so as to dissipate heat for the servo motor 26. The positioning column 36 is convenient for pre-positioning the storage plate 22 on the movable plate 21, so as to facilitate subsequent installation while ensuring that the storage plate 22 is not easy to shake on the movable plate 21. By inserting the insert block 39 on the bottom end of the storage plate 22 into the interior of the movable plate 21, and then fixing the insert block 39 with screws, the storage plate 22 can be fixed on the movable plate 21 for easy installation and removal.
[0026] Working principle: Through the structural design of the clamping mechanism, the gear 25 drives the rotating disk 23 to rotate and then moves the clamping plates 30 on both sides of the storage plate 22, so that the clamping plates 30 can clamp and fix PCB boards of different lengths, realizing the function of the storage plate 22 to clamp and fix PCB boards of different lengths. The moving plate 21 moves inside the device body 1 through the linear motor at the bottom. When the moving plate 21 moves, it will drive the storage plate 22 to move so that the laser cutter 20 can cut the PCB board placed on the storage plate 22. When PCB boards of different lengths are to be cut, the servo motor 26 is first used to drive the gear 25 to rotate, the gear 25 and the gear ring 24 are meshed, and the rotating disk 23 rotates inside the storage plate 22. The rotating disk 23 on one side The servo motor 26 is fixed to the bottom end of the storage plate 22 to prevent movement of the PCB board 20 during operation. The servo motor 26 is fixed to the bottom end of the storage plate 22 to prevent movement of the PCB board 20 during operation. The above is the working process of the entire device, and the contents not described in detail in this manual belong to the prior art known to professional and technical personnel in this field.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A PCB board cutting device, comprising a device body (1), a laser cutter (20), a moving plate (21) and a storage plate (22), characterized in that: A clamping mechanism is arranged inside the storage plate (22), and the clamping mechanism comprises a rotating disk (23), the rotating disk (23) is rotatably connected inside the storage plate (22), a gear ring (24) is sleeved on the rotating disk (23), the gear ring (24) is meshed with a gear (25), the gear (25) is fixedly connected to a servo motor (26), two groups of connecting rods (27) are rotatably connected to the rotating disk (23), the connecting rod (27) and a fixed rod (28) are rotatably connected, a clamping plate (30) and two groups of long rods (29) are fixedly connected to the fixed rod (28), a support rod (31) is fixedly connected to the long rod (29), and the support rod (31) is slidably connected in a slide groove (32).
2. A PCB cutting device according to claim 1, characterized in that: Two groups of clamping grooves (34) are provided on the inner wall of the slide groove (32), and a clamping block (40) is slidably connected inside the clamping groove (34), and the clamping block (40) is fixedly connected to the support rod (31).
3. A PCB board cutting device according to claim 2, characterized in that: A cushion block (35) is fixedly connected to one side of the inner wall of the slot (34), and the cushion block (35) is made of rubber material.
4. A PCB cutting device according to claim 3, characterized in that: The fixing rod (28) is designed in an L shape. The fixing rod (28) is slidably connected in a through slot (33). The through slot (33) is provided on the left and right sides of the storage plate (22). Two groups of grooves (38) are provided on the inner wall of the through slot (33). A long block (41) is slidably connected inside the groove (38). The long block (41) is fixedly connected to the bottom end of the fixing rod (28).
5. A PCB board cutting device according to claim 1, characterized in that: A gasket (42) is fixedly connected inside the clamping plate (30), and three groups of the gaskets (42) are provided.
6. A PCB cutting device according to claim 5, characterized in that: The left and right sides of the storage plate (22) are both provided with ventilation slots (37), and the ventilation slots (37) are provided in three groups.
7. A PCB board cutting device according to claim 5, characterized in that: Four groups of positioning columns (36) are fixedly connected to the bottom end of the storage plate (22), and the positioning columns (36) are inserted into the movable plate (21).
8. A PCB board cutting device according to claim 5, characterized in that: The bottom ends of both the front and rear sides of the storage plate (22) are fixedly connected with plug blocks (39), the plug blocks (39) are inserted into the interior of the movable plate (21), and screws are threadedly connected to the plug blocks (39).
