Rapid clamping mechanism of PCB numerical control drilling and milling machine
By designing base components and clamping components on CNC drilling and milling machines, and using motor drive screws and transmission rods to adjust the workpiece angle, the problem of difficult to adjust the angle of the clamping mechanism in the prior art is solved, and the flexibility and stability of processing are improved sex.
Patent Information
- Application Number
- CN202420724394.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-04-09
AI Technical Summary
The existing CNC drilling and milling machine rapid clamping mechanism is difficult to adjust the angle of the workpiece body, resulting in inconvenience during the production and processing process.
A quick clamping mechanism including a base assembly and a clamping assembly is designed. Through the motors No. 1 and No. 2, the screw and transmission rod are driven by the screws and transmission rods, the angle adjustment of the workpieces in the clamping assembly, and the mating clamping method of the clamping plate and the counter plate are realized. Improve clamping stability.
It realizes flexible clamping and angle adjustment of different workpieces, improves processing flexibility and stability, and facilitates worker operations.
Smart Images

Figure CN222327403U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamping mechanisms, in particular to a quick clamping mechanism for a PCB numerically controlled drilling and milling machine. Background Art
[0002] PCB CNC drilling and milling machines integrate high precision, high efficiency and high stability, and are an indispensable and important tool in the modern electronics manufacturing industry. The CNC system of the CNC drilling and milling machine controls the synchronous movement of multiple axes, making complex drilling and milling paths possible. PCB CNC drilling and milling machine tools are usually equipped with a high-speed rotating spindle, which is the key to achieving high-precision drilling. The spindle speed can reach hundreds of thousands of revolutions per minute. Such a high speed can ensure smooth and accurate drilling, and also greatly improve the processing efficiency. In addition to the high-speed spindle, the milling function allows the machine tool to perform operations such as slot holes and shape contour processing on the PCB board, increasing the flexibility of PCB design. In addition, with the development of technology, some high-end PCB CNC drilling and milling machine tools have also integrated automated loading and unloading systems, which improves production efficiency and reduces labor intensity. In terms of operational safety, PCB CNC drilling and milling machine tools usually have a variety of protection measures, such as emergency stop buttons, overload protection, error code display, etc., to ensure the safety of operators and equipment. At the same time, modern CNC drilling and milling machine tools also have network connection functions, which can realize remote monitoring and fault diagnosis, and provide convenience for equipment maintenance and management.
[0003] A fixture is a device used to fix the processing object in the mechanical manufacturing process so that it occupies the correct position for construction and inspection. When CNC drilling and milling machines are processing different parts, they sometimes need to be adjusted according to the specific angle of the product processing. The existing CNC drilling and milling machine quick clamping mechanism is not convenient for adjusting the angle of the workpiece body, which causes certain inconveniences in the production and processing process. Utility Model Content
[0004] The purpose of the utility model is to provide a quick clamping mechanism for a PCB numerically controlled drilling and milling machine to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick clamping mechanism for a PCB CNC drilling and milling machine, comprising a base assembly installed on the PCB CNC drilling and milling machine, a clamping assembly being arranged on the top of the base assembly, the base assembly comprising a mounting seat, an adjusting groove being arranged on the top surface of the mounting seat, a No. 1 screw being rotatably mounted between the inner walls on both sides of the bottom of the adjusting groove, a threaded collar being threadedly sleeved on the No. 1 screw, a No. 1 rotating seat being fixedly mounted on the top of the threaded collar, a transmission rod being rotatably mounted on the top of the No. 1 rotating seat, a No. 2 rotating seat being rotatably mounted on the other end of the transmission rod away from the No. 1 rotating seat, and a No. 1 motor being fixedly mounted on one side of the mounting seat;
[0006] The clamping assembly includes a concave seat, a rotating groove is provided on one side of the concave seat, a rotating plate is rotatably installed in the rotating groove, a sliding groove is provided in the middle of the top surface of the rotating plate, a No. 2 screw is rotatably installed in the sliding groove, a No. 2 motor is fixedly installed in the middle of a side surface of the rotating plate away from the concave seat, both ends of the No. 2 screw are threadedly sleeved with a threaded slider, a clamping plate is fixedly installed on the top surface of the two threaded sliders, and a clamping groove is provided on the opposite side of the two clamping plates;
[0007] The concave seat is fixedly mounted on one side edge of the top surface of the mounting seat, and the top end of the second rotating seat is fixedly connected to the bottom surface of the rotating plate.
[0008] Preferably, a threaded hole is provided on both side surfaces of the clamping plate, and a tightening threaded rod is threadedly inserted into each threaded hole.
[0009] Preferably, a support plate is rotatably mounted on the opposite ends of the two abutting threaded rods, and the two support plates are slidably mounted in the clamping groove.
[0010] Preferably, one end of the output shaft of the No. 1 motor is fixedly connected to one end of the No. 1 screw rod, and the output shaft of the No. 2 motor is fixedly connected to one end of the No. 2 screw rod.
[0011] Preferably, the No. 2 screw is a double-threaded rod, and the thread rotation directions at both ends are arranged in opposite directions.
[0012] Preferably, the two clamping plates are symmetrically arranged, and the two abutting plates are symmetrically arranged.
[0013] Compared with the prior art, the beneficial effect of the utility model is that the quick clamping mechanism of the PCB CNC drilling and milling machine can enable the two clamping plates to clamp the workpiece to be processed under the action of the No. 2 motor. After clamping, in order to improve the clamping stability, the abutting threaded rod can be manually rotated to drive the abutting plate to move to clamp the workpiece to be processed from the side. At the same time, during the horizontal movement of the threaded ring on the No. 1 screw rod, one end of the rotating plate can be lifted up by the transmission rod, so that the angle of the rotating plate can be changed, and then the rotation of the workpiece to be processed clamped in the clamping assembly can be realized, thereby effectively meeting the processing needs of different workpieces, facilitating the operation of the staff, and being more practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0015] Figure 2 It is a side perspective structural schematic diagram of the utility model;
[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the base assembly of the utility model;
[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the clamping assembly of the utility model.
[0018] In the figure: 1. Base assembly; 101. Mounting seat; 102. Adjusting slot; 103. Screw rod No. 1; 104. Threaded collar; 105. Rotating seat No. 1; 106. Transmission rod; 107. Rotating seat No. 2; 108. Motor No. 1; 2. Clamping assembly; 201. Concave seat; 202. Rotating plate; 203. Slide slot; 204. Screw rod No. 2; 205. Motor No. 2; 206. Threaded slider; 207. Clamping plate; 208. Clamping slot; 209. Pressing threaded rod; 210. Butt plate. DETAILED DESCRIPTION
[0019] 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.
[0020] The utility model provides a technical solution: it includes a base component 1 installed on a PCB CNC drilling and milling machine, a clamping component 2 is arranged on the top of the base component 1, the base component 1 includes a mounting seat 101, an adjusting groove 102 is opened on the top surface of the mounting seat 101, a No. 1 screw 103 is rotatably installed between the inner walls on both sides of the bottom of the adjusting groove 102, a threaded collar 104 is threadedly sleeved on the No. 1 screw 103, a No. 1 rotating seat 105 is fixedly installed on the top of the threaded collar 104, a transmission rod 106 is rotatably installed on the top of the No. 1 rotating seat 105, a No. 2 rotating seat 107 is rotatably installed on the other end of the transmission rod 106 away from the No. 1 rotating seat 105, a No. 1 motor 108 is fixedly installed on one side of the mounting seat 101, and a support leg is fixedly installed on both sides of the threaded collar 104, and the bottom surface of the support leg is slidably connected with the bottom surface of the adjusting groove 102, so that the threaded collar 104 can move more stably on the No. 1 screw 103;
[0021] The clamping assembly 2 includes a concave seat 201, a rotating groove is provided on one side of the concave seat 201, a rotating plate 202 is rotatably installed in the rotating groove, a sliding groove 203 is provided in the middle of the top surface of the rotating plate 202, a No. 2 screw 204 is rotatably installed in the sliding groove 203, a No. 2 motor 205 is fixedly installed in the middle of a side of the rotating plate 202 away from the concave seat 201, a threaded slider 206 is threadedly sleeved at both ends of the No. 2 screw 204, a clamping plate 207 is fixedly installed on the top surface of the two threaded sliders 206, and a clamping groove 208 is provided directly opposite to the two clamping plates 207;
[0022] The concave seat 201 is fixedly mounted on one side edge of the top surface of the mounting seat 101 , and the top end of the second rotating seat 107 is fixedly connected to the bottom surface of the rotating plate 202 .
[0023] In this embodiment, a threaded hole is provided on both sides of the clamping plate 207, and a tightening threaded rod 209 is threadedly inserted in the threaded hole. A resisting plate 210 is rotatably installed on the opposite end of the two tightening threaded rods 209. The two resisting plates 210 are slidably installed in the clamping groove 208. The resisting plate 210 is driven to move by the tightening threaded rod 209 to clamp the workpiece from the side, thereby improving the clamping stability.
[0024] One end of the output shaft of the No. 1 motor 108 is fixedly connected to one end of the No. 1 screw 103, and the output shaft of the No. 2 motor 205 is fixedly connected to one end of the No. 2 screw 204. The No. 2 screw 204 is a double-headed threaded rod, and the thread rotation directions of its two ends are opposite. The two clamping plates 207 are symmetrically arranged, and the two abutment plates 210 are symmetrically arranged. The rotation of the No. 2 screw 204 can make the two clamping plates 207 threadedly sleeved thereon approach each other, and then the workpiece to be processed is clamped by the two clamping plates 207. The rotation of the No. 2 screw 204 can make the two clamping plates 207 threadedly sleeved thereon approach each other, and then the workpiece to be processed is clamped by the two clamping plates 207.
[0025] When in use, the utility model is first installed on the PCB CNC drilling and milling machine, and then the workpiece to be processed is placed between the two clamping plates 207, and then the No. 2 motor 205 is started. Under the action of the No. 2 motor 205, the No. 2 screw 204 can be rotated. The rotation of the No. 2 screw 204 can make the two clamping plates 207 threadedly sleeved on it approach each other, and then the workpiece to be processed is clamped by the two clamping plates 207. After clamping, in order to improve the clamping stability, the tightening threaded rod 209 can be manually rotated, and the tightening threaded rod 209 drives the plate 210 to move to clamp the workpiece from the side, and the switch of the No. 1 motor 108 is turned on, and the No. 1 motor 108 can work. The No. 1 screw 103 is rotated, and the rotation of the No. 1 screw 103 can make the threaded ring 104 threadedly sleeved on the No. 1 screw 103 move along the No. 1 screw 103. At the same time, since one end of the rotating plate 202 is rotatably installed in the rotating groove opened on the side of the concave seat 201, during the horizontal movement of the threaded ring 104 on the No. 1 screw 103, one end of the rotating plate 202 can be lifted up by the transmission rod 106, so that the angle of the rotating plate 202 can be changed, and then the rotation of the workpiece to be processed clamped in the clamping assembly 2 can be realized, thereby effectively meeting the processing requirements of different workpieces and facilitating the operation of the staff.
[0026] To sum up, the quick clamping mechanism of the PCB CNC drilling and milling machine can enable the two clamping plates 207 to clamp the workpiece to be processed under the action of the No. 2 motor 205. After clamping, in order to improve the clamping stability, the threaded rod 209 can be manually rotated to drive the plate 210 to move to clamp the workpiece to be processed from the side. At the same time, during the horizontal movement of the threaded ring 104 on the No. 1 screw rod 103, one end of the rotating plate 202 can be lifted up by the transmission rod 106, so that the angle of the rotating plate 202 can be changed, and then the rotation of the workpiece to be processed clamped in the clamping assembly 2 can be realized, thereby effectively meeting the processing needs of different workpieces, facilitating the operation of the staff, and being more practical.
[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 quick clamping mechanism for a PCB CNC drilling and milling machine, comprising a base assembly (1) mounted on the PCB CNC drilling and milling machine, characterized in that : A clamping assembly (2) is arranged at the top of the base assembly (1), and the base assembly (1) comprises a mounting seat (101), an adjusting groove (102) is provided on the top surface of the mounting seat (101), a No. 1 screw rod (103) is rotatably installed between the inner walls on both sides of the bottom of the adjusting groove (102), a threaded sleeve (104) is threadedly sleeved on the No. 1 screw rod (103), a No. 1 rotating seat (105) is fixedly installed at the top of the threaded sleeve (104), a transmission rod (106) is rotatably installed at the top of the No. 1 rotating seat (105), a No. 2 rotating seat (107) is rotatably installed at the other end of the transmission rod (106) away from the No. 1 rotating seat (105), and a No. 1 motor (108) is fixedly installed on one side of the mounting seat (101); The clamping assembly (2) comprises a concave seat (201), a rotating groove is provided on one side of the concave seat (201), a rotating plate (202) is rotatably installed in the rotating groove, a sliding groove (203) is provided in the middle of the top surface of the rotating plate (202), a No. 2 screw rod (204) is rotatably installed in the sliding groove (203), a No. 2 motor (205) is fixedly installed in the middle of a side surface of the rotating plate (202) away from the concave seat (201), a threaded slider (206) is threadedly sleeved at both ends of the No. 2 screw rod (204), a clamping plate (207) is fixedly installed on the top surface of the two threaded sliders (206), and a clamping groove (208) is provided on the opposite side of the two clamping plates (207); The concave seat (201) is fixedly mounted on one side edge of the top surface of the mounting seat (101), and the top end of the second rotating seat (107) is fixedly connected to the bottom surface of the rotating plate (202).
2. A PCB CNC drilling and milling machine quick clamping mechanism according to claim 1, characterized in that: A threaded hole is formed on both sides of the clamping plate (207), and a tightening threaded rod (209) is threadedly inserted into each threaded hole.
3. The quick clamping mechanism for a PCB CNC drilling and milling machine according to claim 2 is characterized in that: A support plate (210) is rotatably mounted on the opposite ends of the two abutting threaded rods (209), and the two support plates (210) are slidably mounted in the clamping groove (208).
4. The quick clamping mechanism for a PCB CNC drilling and milling machine according to claim 1 is characterized in that: One end of the output shaft of the No. 1 motor (108) is fixedly connected to one end of the No. 1 screw rod (103), and the output shaft of the No. 2 motor (205) is fixedly connected to one end of the No. 2 screw rod (204).
5. The quick clamping mechanism for a PCB CNC drilling and milling machine according to claim 1 is characterized in that: The second screw rod (204) is a double-threaded rod, and the threads at both ends are arranged in opposite directions.
6. The quick clamping mechanism for a PCB CNC drilling and milling machine according to claim 3 is characterized in that: The two clamping plates (207) are symmetrically arranged, and the two abutting plates (210) are symmetrically arranged.