Chamfering device for hard sealing conical surface of part of chromatographic instrument
By designing angle adjustment devices and rotary fixing devices in the hard sealed cone chamfer of the chromatographic instrument, the problem that the chamfer angle cannot be adjusted in the prior art is solved, and the adjustable function of the chamfer is realized, reducing production costs and improving stability.
Patent Information
- Application Number
- CN202421883929.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-05
AI Technical Summary
Existing hard seal cone chamfers cannot adjust the chamfer angle according to the different chamfer requirements of the hard seal cone of the chromatograph, resulting in the need to use multiple chamfer knives or equipment of different angles, increasing production costs and preparation time.
A hard-sealed cone chamfer of a chromatographic instrument is designed, and an angle adjustment device and a rotary fixing device are used to drive the chute and rocker movement through the first and second motors, adjust the angle of the chamfered knife, and quickly adjust and clamp the round rod chromatograph parts through a three-claw chuck.
The adjustable chamfer angle function of the chamfer is realized, which meets the design requirements of different workpieces, saves switching equipment and preparation time, reduces production costs, and improves the stability and applicability of parts.
Smart Images

Figure CN222994411U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of part chamfering, in particular to a hard-sealed conical surface chamfering device for parts of a chromatograph instrument. Background Art
[0002] A chromatograph, an important scientific instrument for separating and analyzing components in a mixture, mainly based on the principle that different substances have different distribution coefficients between a stationary phase and a mobile phase (or called a flowing phase), includes an injection system, a detection system, a recording and data processing system, a temperature control system, a mobile phase control system, etc. A chromatograph consists of multiple important components. Chamfering parts is a common machining operation, usually used to improve the appearance of workpieces, reduce sharp edges, enhance safety, and facilitate subsequent processing.
[0003] When chamfering the hard-sealed conical surface of an existing chromatograph, a general chamfering device is usually used for chamfering. During use, the general chamfering device cannot adjust the chamfering angle according to different chamfering requirements of the hard-sealed conical surface of the chromatograph, and multiple chamfering tools or devices with different angles need to be used for chamfering, greatly increasing the production cost and preparation time. Summary of the Utility Model
[0004] Based on the existing technical problems of chamfering the hard-sealed conical surface of a chromatograph, the utility model proposes a hard-sealed conical surface chamfering device for parts of a chromatograph instrument.
[0005] A hard-sealed conical surface chamfering device for parts of a chromatograph instrument proposed by the utility model includes a workbench, an angle adjustment device, and a rotation fixing device. The angle adjustment device is fixedly installed on the upper surface of the workbench. The angle adjustment device is provided with a clamping device. The clamping device includes a first motor. The upper end of the first motor is fixedly connected to a bottom plate. One end of the bottom plate is fixedly connected to one end of a first fixing plate. One end of the first fixing plate is fixedly connected to a back plate. The top end of the back plate is fixedly connected to one end of a second fixing plate. The upper surface of the first fixing plate is fixedly installed with the lower end of a first sliding groove. The upper end of the first sliding groove is fixedly installed with the lower surface of the other end of the second fixing plate. And the inner surface of the back plate is fixedly connected to one end of a disc. The other end of the disc is fixedly connected to one end of a first sliding block. The other end of the first sliding block is slidably connected to one side of a ball groove. The other end of the ball groove is slidably connected to one end of a second sliding block. The other end of the second sliding block is fixedly connected to one end of a rocker. The other end of the rocker is threadedly connected with a chamfering tool.
[0006] On the upper surface of the workbench and on one side of the angle adjustment device, a first clamping bracket is fixedly installed. On the other side of the first clamping bracket, a second clamping bracket is fixedly installed. At the upper ends of the first clamping bracket and the second clamping bracket, a round bar-shaped chromatograph part is placed. On one side of the round bar-shaped chromatograph part, the rotation fixing device is fixedly installed.
[0007] Preferably, the upper end of the first motor is fixedly connected to the bottom plate through a precision reamed bolt, and a rotating disc is fixedly installed between the first motor and the bottom plate.
[0008] Through the above technical solution, the first motor drives the first chute and the second chute to move through the rotating disc.
[0009] Preferably, the angle adjustment device is provided with two identical clamping devices, which are perpendicularly installed through the back plate, so that the first chute and the second chute clamp the rocker.
[0010] Through the above technical solution, the movement of the first chute and the second chute will drive the rocker to move up, down, left and right to adjust the angle of the chamfering tool, achieving the effect of controlling the chamfering angle.
[0011] Preferably, the rotation fixing device is located on the upper surface of the workbench and on the other side of the second clamping bracket. The rotation fixing device includes a three-jaw chuck. The three-jaw chuck is located on one side of the round bar-shaped chromatograph part, and the other end of the three-jaw chuck is fixedly connected to one end of the second motor. On the other side of the three-jaw chuck, a first clamping plate is provided. The lower end of the first clamping plate is fixedly connected to the upper surface of the workbench. One end of the first clamping plate is fixedly connected to one end of the second motor through a first fixing ring. The first fixing ring is fixedly connected to a second fixing ring through a fixing rod. The other end of the second fixing ring is fixedly connected to a second clamping plate.
[0012] Through the above technical solution, the second motor is fixed between the first clamping plate and the second clamping plate through a fixing rod, and the second motor drives the round bar-shaped chromatograph part to rotate through the three-jaw chuck.
[0013] Preferably, the first clamping bracket and the second clamping bracket are arranged between the angle adjustment device and the rotation fixing device, on the same horizontal line, and the round bar-shaped chromatograph part is located between the chamfering tool and the three-jaw chuck, and the three are at the same height.
[0014] Through the above technical solution, in order for the chamfering tool to accurately chamfer the round bar-shaped chromatograph parts, the three-jaw chuck at the other end of the round bar-shaped chromatograph parts provides relatively uniform clamping force through the clamping of three points, making it not easy to generate eccentricity or vibration when the workpiece rotates, and can also fix round bar-shaped chromatograph parts of different sizes by adjusting the position of the claws.
[0015] The beneficial effects of the present utility model are as follows:
[0016] 1. By setting an angle adjustment device to adjust the angle of the chamfering tool, the chamfering device has the function of adjustable chamfering angle, meeting the design requirements of different workpieces. Adjusting the chamfering angle on a single device avoids using multiple tools or devices with different angles for chamfering, saving equipment switching and preparation time, and reducing production costs.
[0017] 2. By setting a three-jaw chuck to fix the round bar-shaped chromatograph parts, the round bar-shaped chromatograph parts can be quickly adjusted and clamped, applicable to round bar-shaped chromatograph parts of various sizes, greatly reducing production costs and improving the stability when the round bar-shaped chromatograph parts rotate driven by the second motor. Description of the Drawings
[0018] Figure 1 It is a schematic diagram of a hard-sealed conical surface chamfering device for parts of a chromatograph instrument proposed by the present utility model;
[0019] Figure 2 It is a three-dimensional view of the angle adjustment device structure of a hard-sealed conical surface chamfering device for parts of a chromatograph instrument proposed by the present utility model;
[0020] Figure 3 It is a half-sectional view of the angle adjustment device structure of a hard-sealed conical surface chamfering device for parts of a chromatograph instrument proposed by the present utility model;
[0021] Figure 4 It is a front view of the rotation fixing device structure of a hard-sealed conical surface chamfering device for parts of a chromatograph instrument proposed by the present utility model.
[0022] In the figure: 1. Workbench; 2. Angle adjustment device; 21. Clamping device; 22. First motor; 23. Base plate; 24. First fixing plate; 25. Back plate; 26. Second fixing plate; 27. First sliding groove; 28. Disc; 29. First sliding block; 210. Ball groove; 211. Second sliding block; 212. Rocker; 213. Chamfering tool; 214. Precision reamed bolt; 215. Rotating disc; 216. Second sliding groove; 3. Rotation fixing device; 31. Three-jaw chuck; 32. Second motor; 33. First clamping plate; 34. First fixing ring; 35. Fixed rod; 36. Second fixing ring; 37. Second clamping plate; 4. First clamping bracket; 41. Second clamping bracket; 42. Round bar-shaped chromatograph parts. Detailed implementation mode
[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0024] Refer to Figures 1 - 4 , a hard-sealed conical surface chamfering device for parts of a chromatographic instrument, including a workbench 1, an angle adjustment device 2, and a rotation fixing device 3. The angle adjustment device 2 is fixedly installed on the upper surface of the workbench 1. The angle adjustment device 2 is provided with a clamping device 21. The clamping device 21 includes a first motor 22. The upper end of the first motor 22 is fixedly connected to a bottom plate 23. One end of the bottom plate 23 is fixedly connected to one end of a first fixing plate 24. One end of the first fixing plate 24 is fixedly connected to a back plate 25. The top end of the back plate 25 is fixedly connected to one end of a second fixing plate 26. The upper surface of the first fixing plate 24 is fixedly installed with the lower end of a first sliding groove 27. The upper end of the first sliding groove 27 is fixedly installed with the lower surface of the other end of the second fixing plate 26. And the inner surface of the back plate 25 is fixedly connected to one end of a disc 28. The other end of the disc 28 is fixedly connected to one end of a first sliding block 29. The other end of the first sliding block 29 is slidably connected to one side of a ball groove 210. The other end of the ball groove 210 is slidably connected to one end of a second sliding block 211. The other end of the second sliding block 211 is fixedly connected to one end of a rocker 212, which can make the rocker 212 not deviate during movement. The other end of the rocker 212 is threadedly connected to a chamfering tool 213;
[0025] A first clamping frame 4 is fixedly installed on the upper surface of the workbench 1 and on one side of the angle adjustment device 2. A second clamping frame 41 is fixedly installed on the other side of the first clamping frame 4. A round bar-shaped chromatographic instrument part 42 is placed on the upper ends of the first clamping frame 4 and the second clamping frame 41. A rotation fixing device 3 is fixedly installed on one side of the round bar-shaped chromatographic instrument part 42.
[0026] In order for the first motor 22 to drive the first sliding groove 27 and the second sliding groove 216 to move through the rotating disc 215, the upper end of the first motor 22 and the bottom plate 23 are fixedly connected by a precision reamed bolt 214. And a rotating disc 215 is fixedly installed between the first motor 22 and the bottom plate 23. The movement of the first motor 22 will drive the rotating disc 215 to rotate around the axis, so that the first sliding groove 27 moves left and right.
[0027] In order for the movement of the first chute 27 and the second chute 216 to drive the rocker 212 to move up and down and left and right, adjust the angle of the chamfering tool 213, and achieve the effect of controlling the chamfering angle, the angle adjustment device 2 is provided with two identical clamping devices 21, which are perpendicularly installed to each other through the back plate 25, so that the first chute 27 and the second chute 216 clamp the rocker 212. A chamfering tool 213 is fixedly installed at the other end of the rocker 212, and the movement of the rocker 212 will drive the movement of the chamfering tool 213.
[0028] By setting the angle adjustment device 2 to adjust the angle of the chamfering tool 213, the chamfering machine has the function of adjustable chamfering angle, meeting the design requirements of different workpieces. Adjust the chamfering angle on a single device, avoiding using multiple tools or devices with different angles for chamfering, saving the time for switching devices and preparation, and reducing the production cost.
[0029] In order for the second motor 32 to be fixed between the first clamping plate 33 and the second clamping plate 37 through the fixing rod 35, the second motor 32 drives the round rod chromatograph part 42 to rotate through the three-jaw chuck 31. Thus, the rotation fixing device 3 is located on the upper surface of the workbench 1 and on the other side of the second clamping frame 41. The rotation fixing device 3 includes a three-jaw chuck 31. The three-jaw chuck 31 is located on one side of the round rod chromatograph part 42, and the other end of the three-jaw chuck 31 is fixedly connected to one end of the second motor 32. A first clamping plate 33 is provided on the other side of the three-jaw chuck 31. The lower end of the first clamping plate 33 is fixedly connected to the upper surface of the workbench 1. One end of the first clamping plate 33 is fixedly connected to one end of the second motor 32 through the first fixing ring 34. The first fixing ring 34 is fixedly connected to the second fixing ring 36 through the fixing rod 35. The other end of the second fixing ring 36 is fixedly connected to the second clamping plate 37.
[0030] By setting the three-jaw chuck 31 to fix the round rod chromatograph part, by rotating the central bolt, the round rod chromatograph part 42 can be quickly adjusted and clamped, applicable to round rod chromatograph parts 42 of various sizes, greatly reducing the production cost, and also improving the stability of the round rod chromatograph part 42 when the second motor 32 drives the round rod chromatograph part 42 to rotate.
[0031] In order for the chamfering tool 213 to accurately chamfer the round rod chromatograph part 42, the three-jaw chuck 31 at the other end of the round rod chromatograph part 42 provides relatively uniform clamping force through the clamping of three points, so that the round rod chromatograph part 42 is not prone to eccentricity or vibration when rotating, and different sizes of round rod chromatograph parts 42 can also be fixed by adjusting the positions of the claws. Thus, the first clamping frame 4 and the second clamping frame 41 are arranged between the angle adjustment device 2 and the rotation fixing device 3, on the same horizontal line. The round rod chromatograph part 42 is located between the chamfering tool 213 and the three-jaw chuck 31, and the three are at the same height.
[0032] Working principle: The first motor 22 in the angle adjustment device 2 drives the first sliding groove 27 to move left and right and the second sliding groove 216 to move up and down through the rotating disk 215. The movement of the first sliding groove 27 and the second sliding groove 216 will drive the rocker 212 clamped by the first sliding groove 27 and the second sliding groove 216 to move, thereby driving the chamfering tool 213 at the other end of the rocker 212 to move. According to different requirements, the first sliding groove 27 and the second sliding groove 216 can move to different positions, so that the chamfering tool 213 can adjust the angle to meet the design requirements of different workpieces. The round rod-shaped chromatograph part 42 is placed on the first clamping bracket 4 and the second clamping bracket 41. On one side of the round rod-shaped chromatograph part 42, the chamfering tool 213 chamfers the round rod-shaped chromatograph part 42. On the other side of the round rod-shaped chromatograph part 42 is a three-jaw chuck 31, which fixes the round rod-shaped chromatograph part 42. Adjusting the claws of the three-jaw chuck 31 can fix round rod-shaped chromatograph parts 42 of different sizes, achieving the effect of cost reduction. The other end of the three-jaw chuck 31 is fixedly connected to a second motor 32. The second motor 32 drives the round rod-shaped chromatograph part 42 to rotate at a high speed through the three-jaw chuck 31, so that the chamfering tool 213 chamfers the round rod-shaped chromatograph part 42 rotating at a high speed.
[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.
Claims
1. A hard-sealed conical chamfering device for a chromatographic instrument component, comprising a workbench (1), an angle adjustment device (2), and a rotating fixing device (3), characterized in that: The angle adjustment device (2) is fixedly mounted on the upper surface of the workbench (1), and the angle adjustment device (2) is provided with a clamping device (21), and the clamping device (21) comprises a first motor (22), the upper end of the first motor (22) is fixedly connected to a bottom plate (23), one end of the bottom plate (23) is fixedly connected to one end of a first fixed plate (24), one end of the first fixed plate (24) is fixedly connected to a back plate (25), the top end of the back plate (25) is fixedly connected to one end of a second fixed plate (26), and the upper surface of the first fixed plate (24) is fixedly mounted to the lower end of a first slide groove (27). The upper end of the first sliding groove (27) is fixedly installed with the lower surface of the other end of the second fixed plate (26), and the inner surface of the back plate (25) is fixedly connected with one end of the disc (28), the other end of the disc (28) is fixedly connected with one end of the first sliding block (29), the other end of the first sliding block (29) is slidably connected with one side of the ball groove (210), the other end of the ball groove (210) is slidably connected with one end of the second sliding block (211), the other end of the second sliding block (211) is fixedly connected with one end of the rocker (212), and the other end of the rocker (212) is threadedly connected with a chamfering cutter (213); A first clamping frame (4) is fixedly mounted on the upper surface of the workbench (1) and located on one side of the angle adjustment device (2); a second clamping frame (41) is fixedly mounted on the other side of the first clamping frame (4); a round rod-shaped chromatograph part (42) is placed on the upper ends of the first clamping frame (4) and the second clamping frame (41); and the rotating fixing device (3) is fixedly mounted on one side of the round rod-shaped chromatograph part (42).
2. The hard-sealed conical chamfering device for a chromatographic instrument according to claim 1, characterized in that: The upper end of the first motor (22) is threadedly connected to the bottom plate (23) via a hole-reamed bolt (214), and a rotating disk (215) is fixedly installed between the first motor (22) and the bottom plate (23).
3. The hard seal conical chamfering device for a chromatographic instrument according to claim 2, characterized in that: The angle adjustment device (2) is provided with two identical clamping devices (21), which are installed vertically to each other through the back plate (25), so that the first slide groove (27) and the second slide groove (216) clamp the rocker (212).
4. The hard-sealed conical chamfering device for a chromatographic instrument according to claim 3, characterized in that: The rotating fixing device (3) is located on the upper surface of the workbench (1) and on the other side of the second clamping frame (41). The rotating fixing device (3) comprises a three-jaw chuck (31). The three-jaw chuck (31) is located on one side of the round rod-shaped chromatograph part (42), and the other end of the three-jaw chuck (31) is fixedly connected to one end of the second motor (32). A first clamping plate (33) is provided on the other side of the three-jaw chuck (31). The lower end of the first clamping plate (33) is fixedly connected to the upper surface of the workbench (1). One end of the first clamping plate (33) is fixedly connected to one end of the second motor (32) via a first fixing ring (34). The first fixing ring (34) is fixedly connected to the second fixing ring (36) via a fixing rod (35). The other end of the second fixing ring (36) is fixedly connected to the second clamping plate (37).
5. The hard-sealed conical chamfering device for a chromatographic instrument according to claim 4, characterized in that: The first clamping frame (4) and the second clamping frame (41) are arranged between the angle adjustment device (2) and the rotating fixing device (3), and are located on the same horizontal line, and the round rod-shaped chromatograph part (42) is located between the chamfering knife (213) and the three-jaw chuck (31), and the three are located at the same height.