High-precision fixing device for capillary tube machining

Through the design of the positioning and clamping mechanism, the problem of surface damage caused by clamping during the processing of high-precision capillary tubes is solved, and damage-free tube fixation is achieved, ensuring processing accuracy.

CN223325912UActive Publication Date: 2025-09-12WUHU FENGRONG REFRIGERATION CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422175405.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-09-12
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

During the existing high-precision capillary tubing processing, external clamping parts may damage the tubing surface during clamping, resulting in loss of precision.

Method used

The positioning mechanism and the clamping mechanism are adopted, and the driving component drives the driven component to move on the moving guide rail to achieve parallel clamping of the pipe and avoid direct contact with the surface.

Benefits of technology

It effectively protects the surface accuracy of the pipe, avoids external force damage during clamping, and ensures processing accuracy.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223325912U_ABST
    Figure CN223325912U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of high-precision capillary tubes, and discloses a fixing device for processing a high-precision capillary tube. The clamping mechanism comprises the driving assembly, one end of the driving assembly is fixedly connected with the workbench, the driven assemblies are installed on the two sides of the driving assembly, and the ends, close to the driving assembly, of the driven assemblies are movably connected with the moving guide rails. When the to-be-machined pipe reaches the set position and stops, the driven assemblies on the two sides are driven by the driving assembly to be close to the middle in parallel under the limitation of the moving guide rail, the to-be-machined pipe is clamped through the two ends of a pipe cavity, and the problem that in the existing high-precision capillary pipe machining production process, an external clamping piece is usually adopted for clamping, and machining efficiency is high is solved. And external force is applied when the surface of the pipe is operated subsequently, and the outer surface of the position where the high-precision capillary pipe is clamped may be damaged in the process.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of high-precision capillary tube materials, in particular to a fixing device for processing high-precision capillary tube materials. Background Art

[0002] High-precision capillary tubing is a tubing product with extremely high precision and excellent performance. Its characteristics include: extremely high dimensional accuracy, excellent material, and good surface finish. It has been widely used in the aerospace, electronics, and medical industries. With its outstanding precision and performance, high-precision capillary tubing has become an indispensable and important part of modern industrial and technological development.

[0003] In today's high-precision capillary tubing production process, external clamps are typically used for clamping. Subsequent operations on the tubing surface will apply external force, which may damage the outer surface of the tubing where it is clamped.

[0004] Therefore, in order to solve such problems, we proposed a fixture for high-precision capillary tube processing. Utility Model Content

[0005] The purpose of the present utility model is to provide a fixing device for processing high-precision capillary tube materials, aiming to solve the problem in the above-mentioned background technology that external clamping parts are usually used for clamping in the existing high-precision capillary tube material processing and production process, and external force will be applied when the tube surface is subsequently operated, which may damage the outer surface of the high-precision capillary tube material at the clamping point in the process.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a fixing device for processing high-precision capillary materials, comprising a workbench, a positioning mechanism is arranged above the workbench, a clamping mechanism is installed on one side of the positioning mechanism, the clamping mechanism comprises a driving assembly, one end of the driving assembly is fixedly connected to the workbench, driven assemblies are installed on both sides of the driving assembly, and the driven assembly is movably connected to a movable guide rail at one end close to the driving assembly.

[0007] Preferably, the positioning mechanism includes a loading plate, which is located above the workbench. A loading plate groove is provided on the side of the loading plate away from the workbench. A triangular stopper is fixedly connected to one side of the loading plate groove. Both the loading plate groove and the triangular stopper match the pipe to be processed.

[0008] Preferably, a support plate is welded on the side of the loading plate close to the workbench, and a limit plate is provided on the side of the support plate away from the loading plate. The side of the limit plate away from the support plate is fixedly connected to the workbench, and a limit plate slot is provided above the limit plate. The limit plate slot matches the support plate. Motor 1 is installed on one side of the limit plate, and the driving end of motor 1 is fixedly connected to a rotating shaft. Both ends of the rotating shaft are movably connected to the limit plate. Cams are installed on both sides of the rotating shaft, and a pad is movably connected to the side of the cam close to the support plate, and the pad is fixedly connected to the support plate.

[0009] Preferably, the driving assembly includes motor 2, one end of which is fixedly connected to the workbench, a gear is provided at the driving end of motor 2, racks are provided on both sides of the gear, the racks are meshed with the gear, and the two racks are respectively connected to the two driven assemblies.

[0010] Preferably, the driven component includes a clamping plate, which is fixedly connected to the end of the rack away from the gear, a clamping cone is installed on the side of the clamping plate close to the gear, rollers are installed on both sides of the clamping plate, and rollers are provided on the outer side of the rollers, the rollers are matched with the rollers, and the rollers slide in cooperation with the movable guide rails.

[0011] Preferably, the movable guide rail includes a guide rail plate, one side of the guide rail plate is fixedly connected to the workbench, and a guide rail groove is provided inside the guide rail plate, and the guide rail groove matches the roller.

[0012] The utility model has the following beneficial effects: in the utility model, the clamping mechanism includes a driving assembly, one end of the driving assembly is fixedly connected to the workbench, and driven assemblies are installed on both sides of the driving assembly. The driven assembly is movably connected to a movable guide rail at one end close to the driving assembly, and the pipe to be processed is placed on one end of the positioning mechanism. Under the action of gravity, the pipe to be processed reaches the set position and stops, and the driven assemblies on both sides are driven by the driving assembly to approach the middle in parallel under the restriction of the movable guide rail, and the pipe to be processed is clamped at both ends of the tube cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional schematic diagram of a fixing device for high-precision capillary material processing proposed by the present invention;

[0014] Figure 2 This is a three-dimensional schematic diagram of a positioning mechanism in a fixing device for high-precision capillary material processing proposed by the present invention;

[0015] Figure 3 This is a schematic plan view of a clamping mechanism in a fixture for processing high-precision capillary tubes proposed in the present invention;

[0016] Figure 4 The present invention is a three-dimensional schematic diagram of a clamping mechanism in a fixing device for processing high-precision capillary materials.

[0017] Legend:

[0018] 1. Workbench; 2. Positioning mechanism; 21. Loading plate; 211. Loading plate slot; 212. Triangular block; 22. Support plate; 23. Limiting plate; 231. Limiting plate slot; 24. Motor 1; 25. Rotating shaft; 26. Cam; 27. Spacer; 3. Clamping mechanism; 31. Driving assembly; 311. Motor 2; 312. Gear; 313. Rack; 32. Driven assembly; 321. Clamping plate; 322. Clamping cone; 323. Roller; 324. Roller; 33. Moving guide rail; 331. Guide rail plate; 3311. Guide rail slot; 4. Pipe to be processed. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be noted that the terms "center," "up," "down," "left," "right," "vertical," "horizontal," "inside," "outside," etc., indicating positions or positional relationships, are based on the positions or positional relationships shown in the accompanying drawings and are used only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific position, be constructed and operate in a specific position. Therefore, they should not be understood as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrally connected. They can be mechanically connected or electrically connected. They can be directly connected, indirectly connected through an intermediate medium, or can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0021] See also Figure 1-Figure 3The utility model provides an embodiment: a fixing device for processing high-precision capillary materials, comprising a workbench 1, a positioning mechanism 2 is arranged above the workbench 1, a clamping mechanism 3 is installed on one side of the positioning mechanism 2, the clamping mechanism 3 comprises a driving component 31, one end of the driving component 31 is fixedly connected to the workbench 1, and driven components 32 are installed on both sides of the driving component 31, and the driven component 32 is movably connected to a movable guide rail 33 at one end close to the driving component 31, and the pipe 4 to be processed is placed on one end of the positioning mechanism 2, and under the action of gravity, the pipe 4 to be processed reaches the set position and stops, and the driven components 32 on both sides are driven by the driving component 31 to approach the middle in parallel under the restriction of the movable guide rail 33, and the pipe 4 to be processed is clamped at both ends of the tube cavity.

[0022] See also Figure 2 The positioning mechanism 2 includes a loading plate 21, which is located above the workbench 1. A loading plate groove 211 is provided on the side of the loading plate 21 away from the workbench 1. A triangular stopper 212 is fixedly connected to one side of the loading plate groove 211. The loading plate groove 211 and the triangular stopper 212 are both matched with the pipe 4 to be processed to prevent the pipe 4 to be processed from crossing the loading plate groove 211 and rolling down at the beginning of processing.

[0023] See also Figure 2 A support plate 22 is welded on the side of the loading plate 21 close to the workbench 1, and a limit plate 23 is provided on the side of the support plate 22 away from the loading plate 21. The side of the limit plate 23 away from the support plate 22 is fixedly connected to the workbench 1, and a limit plate groove 231 is provided above the limit plate 23. The limit plate groove 231 matches the support plate 22. A motor 24 is installed on one side of the limit plate 23. The driving end of the motor 24 is fixedly connected to the rotating shaft 25. Both ends of the rotating shaft 25 are movably connected to the limit plate 23. Cams 2 are installed on both sides of the rotating shaft 25. 6. A pad 27 is movably connected to one side of the cam 26 close to the support plate 22. The pad 27 is fixedly connected to the support plate 22. The rotation of the cam 26 enables the loading plate 21 to move up and down in the limit plate groove 231. When the loading plate 21 moves down, the pipe 4 to be processed leaves the loading plate groove 211, and the unprocessed pipe at the rear enters the loading plate groove 211. When the loading plate 21 moves up, the clamping mechanism 3 releases the pipe 4 to be processed, and the pipe 4 to be processed contacts the unprocessed pipe at the rear and the triangular stopper 212 and rolls down to the finished product collection area.

[0024] See also Figure 4 The driving component 31 includes a second motor 311, one end of the second motor 311 is fixedly connected to the workbench 1, and a gear 312 is provided at the driving end of the second motor 311. Racks 313 are provided on both sides of the gear 312. The racks 313 are meshed with the gear 312. The two racks 313 are respectively connected to the two driven components 32. The gear 312 is driven to rotate by the second motor 311, so that the racks 313 on both sides move toward each other.

[0025] See also Figure 4 The driven component 32 includes a clamping plate 321, which is fixedly connected to the end of the rack 313 away from the gear 312. A clamping cone 322 is installed on the side of the clamping plate 321 close to the gear 312. Rollers 323 are installed on both sides of the clamping plate 321. Rollers 324 are sleeved on the outer side of the roller 323. The rollers 323 match the rollers 324. The rollers 324 slide in cooperation with the movable guide rail 33. The rack 313 drives the clamping plate 321 to move toward each other to achieve the mutual approach of the clamping cones 322, thereby clamping the pipe 4 to be processed.

[0026] See also Figure 4 The movable guide rail 33 includes a guide rail plate 331, one side of the guide rail plate 331 is fixedly connected to the workbench 1, and a guide rail groove 3311 is opened inside the guide rail plate 331. The guide rail groove 3311 matches the roller 324, ensuring that the entire driven component 32 performs linear motion.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fixing device for processing high-precision capillary tubes, comprising a workbench (1), a positioning mechanism (2) provided above the workbench (1), a clamping mechanism (3) installed on one side of the positioning mechanism (2), and characterized in that: The clamping mechanism (3) includes a driving assembly (31), one end of which is fixedly connected to the workbench (1), and driven assemblies (32) are installed on both sides of the driving assembly (31). The end of the driven assembly (32) close to the driving assembly (31) is movably connected to a movable guide rail (33).

2. A fixing device for processing high-precision capillary tubes according to claim 1, characterized in that: The positioning mechanism (2) includes a loading plate (21), the loading plate (21) being located above the workbench (1), a loading plate groove (211) being provided on a side of the loading plate (21) away from the workbench (1), a triangular stopper (212) being fixedly connected to one side of the loading plate groove (211), and both the loading plate groove (211) and the triangular stopper (212) being matched with the pipe (4) to be processed.

3. A fixing device for processing high-precision capillary tubes according to claim 2, characterized in that: A support plate (22) is welded on one side of the loading plate (21) close to the workbench (1), and a limit plate (23) is provided on one side of the support plate (22) away from the loading plate (21). The side of the limit plate (23) away from the support plate (22) is fixedly connected to the workbench (1), and a limit plate groove (231) is provided above the limit plate (23). The limit plate groove (231) matches the support plate (22). A motor (24) is installed on one side of the limit plate (23), and a driving end of the motor (24) is fixedly connected to a rotating shaft (25). Both ends of the rotating shaft (25) are movably connected to the limit plate (23). Cams (26) are installed on both sides of the rotating shaft (25), and a pad (27) is movably connected to the side of the cam (26) close to the support plate (22). The pad (27) is fixedly connected to the support plate (22).

4. The fixing device for processing high-precision capillary tubes according to claim 1, characterized in that: The driving assembly (31) includes a second motor (311), one end of which is fixedly connected to the workbench (1), a gear (312) being provided at the driving end of the second motor (311), racks (313) being provided on both sides of the gear (312), the racks (313) being meshed and connected to the gear (312), and the two racks (313) being respectively connected to the two driven assemblies (32).

5. The fixing device for processing high-precision capillary tubes according to claim 4, characterized in that: The driven assembly (32) includes a clamping plate (321), the clamping plate (321) is fixedly connected to one end of the rack (313) away from the gear (312), a clamping cone (322) is installed on the side of the clamping plate (321) close to the gear (312), rollers (323) are installed on both sides of the clamping plate (321), and rollers (324) are sleeved on the outer side of the rollers (323), the rollers (323) match the rollers (324), and the rollers (324) slide in cooperation with the movable guide rail (33).

6. The fixing device for processing high-precision capillary tubes according to claim 5, characterized in that: The movable guide rail (33) comprises a guide rail plate (331), one side of the guide rail plate (331) is fixedly connected to the workbench (1), a guide rail groove (3311) is provided inside the guide rail plate (331), and the guide rail groove (3311) matches the roller (324).