Tool for cutting burrs at tip end of medical expansion tube
By designing the medical expansion tube tip burrs removal tooling, and using structures such as positioning parts, blades and sliders, the problem of expansion tube tip burrs is solved, improving product yield and reducing production costs.
Patent Information
- Application Number
- CN202421052511.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-15
AI Technical Summary
There are often irregular burrs after the tip of existing medical dilated tubes are formed, resulting in low product yield and increasing production and manufacturing costs. The burrs need to be solved to avoid scrapping and remake.
A medical dilated pipe tip burr removal tool is designed, including a pipe fixing part and a pipe cutting part. The precise cutting of the burr is achieved through structures such as positioning parts, blades, sliders and springs.
Effectively remove irregular burrs on the tip of the expansion tube, improve product yield, reduce production and manufacturing costs, and avoid scrapping of defective products.
Smart Images
Figure CN222244896U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical expansion tube processing, in particular to a tool for removing burrs at the tip of a medical expansion tube. Background Art
[0002] At present, the tip shape of the medical expansion tube is obtained by placing the expansion tube into a high-temperature heated tip forming fixture and molding the tip head shape of the expansion tube through high-temperature molding. However, the tip head of the expansion tube often has irregular burrs after molding. Burrs larger than 0.05mm are unacceptable, resulting in low product yield. For those defective products, they are scrapped or returned for re-production, which undoubtedly causes waste and increases production costs. Utility Model Content
[0003] Therefore, one purpose of the utility model is to provide a tool for removing burrs from the tip of a medical expansion tube to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A tool for removing burrs from the tip of a medical expansion tube comprises a tube fixing portion, a tube cutting portion and a fixing base, wherein the tube fixing portion comprises a first fixing seat and a positioning piece, wherein the first fixing seat is connected to the positioning piece, and the tube cutting portion comprises a second fixing seat and a blade, wherein the blade is arranged on the second fixing seat, and both the tube fixing portion and the tube cutting portion are arranged on the fixing base.
[0006] Furthermore, the pipe fixing portion also includes a bearing and a fourth fixing screw, the positioning member is movably connected to the first fixing seat through the bearing, and the first fixing seat is fixed to the fixing base through the fourth fixing screw.
[0007] Furthermore, the positioning member is cylindrical as a whole, an outer surface of one end of the positioning member is provided with a biting pattern, and a positioning cavity is provided inside the positioning member along the axial direction of the positioning member.
[0008] Furthermore, the pipe cutting part also includes a slider base, the slider base is provided with a slide rail, the second fixed seat is provided with a slider, and the second fixed seat is slidably connected to the slide rail through the slider.
[0009] Furthermore, the pipe cutting part also includes a limit block and a spring, the limit block is connected to the spring, a spring cavity is provided on the second fixing seat, the spring is located in the spring cavity, and the limit block is connected to the fixing base through a third fixing screw.
[0010] Furthermore, a knife groove is provided on the second fixing seat, the shape of the knife groove is the same as the shape of the blade, the blade can be just embedded in the knife groove, and the blade is fixed in the knife groove by a first fixing screw.
[0011] Furthermore, the pipe cutting part also includes a second fixing screw, and the slider base is connected to the fixed base via the second fixing screw.
[0012] Furthermore, the fixed base is provided with a first groove and a second groove, the first fixed base is partially embedded in the first groove, and the slider base and the limit block are embedded in the second groove.
[0013] Furthermore, the first fixing seat and the second fixing seat are arranged opposite to each other, the blade is located between the first fixing seat and the second fixing seat, and the height of the positioning member is the same as the height of the blade.
[0014] Therefore, the utility model has the following beneficial effects:
[0015] The utility model discloses a tool for removing burrs from the tip of a medical expansion tube, which can remove expansion tubes with irregular burrs on the tip head, thereby preventing the tip of the expansion tube from being directly scrapped or returned for remanufacturing due to the burr problem, thereby improving the yield of the tip of the expansion tube and reducing the production cost of the medical expansion tube.
[0016] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model tooling;
[0019] Figure 2 It is a structural schematic diagram of the pipe fixing part of the utility model;
[0020] Figure 3 It is a right side view of the pipe fixing part of the utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the positioning member of the utility model;
[0022] Figure 5 This is a front view of the positioning member of the utility model;
[0023] Figure 6 yes Figure 5AA section view shown;
[0024] Figure 7 It is a structural schematic diagram of the pipe cutting part of the utility model;
[0025] Figure 8 It is a structural schematic diagram of the second fixing seat of the utility model;
[0026] Fig. 9 This is a structural schematic diagram of the second fixing seat of the utility model from another perspective;
[0027] Fig.10 It is a schematic diagram of the blade of the utility model;
[0028] Fig.11 It is a schematic diagram of the structure of the pipe cutting part of the utility model after the second fixing seat and the blade are hidden;
[0029] Fig.12 It is a front view of the pipe cutting part of the utility model;
[0030] Fig.13 It is a structural schematic diagram of the fixed base of the utility model;
[0031] Fig.14 This is a schematic diagram of the structure of the utility model after the expansion tube is inserted into the tooling;
[0032] Fig.15 It is a top view of the utility model after the expansion tube is inserted into the tooling.
[0033] In the figure: 1. fixed base; 2. first fixed base; 3. second fixed base; 4. positioning piece; 5. blade; 6. bearing; 7. fourth fixing screw; 8. bite pattern; 9. positioning cavity; 91. first cavity; 92. second cavity; 93. third cavity; 94. fourth cavity; 95. fifth cavity; 10. first fixing screw; 11. slider base; 12. slide rail; 13. slider; 14. limit block; 15. spring; 16. spring cavity; 17. knife groove; 18. third fixing screw; 19 second fixing screw; 20. first groove; 21. second groove; 22. expansion tube. DETAILED DESCRIPTION
[0034] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.
[0035] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0036] like Figure 1 As shown, a tool for removing burrs from the tip of a medical expansion tube includes a tube fixing portion, a tube cutting portion and a fixing base 1. The tube fixing portion includes a first fixing seat 2 and a positioning member 4. The first fixing seat 2 is connected to the positioning member 4. The tube cutting portion includes a second fixing seat 3 and a blade 5. The blade 5 is arranged on the second fixing seat 3. The tube fixing portion and the tube cutting portion are both arranged on the fixing base 1.
[0037] The utility model provides a tool for removing burrs from the tip of a medical expansion tube, which can remove the expansion tube 22 with irregular burrs on the tip head, so as to avoid the expansion tube tip being directly scrapped or returned for remanufacturing due to the burr problem, thereby improving the yield of the expansion tube tip and reducing the production cost of the medical expansion tube.
[0038] like Figure 2 and Figure 3 As shown, the pipe fixing part also includes a bearing 6 and a fourth fixing screw 7 , the positioning member 4 is movably connected to the first fixing seat 2 through the bearing 6 , and the first fixing seat 2 is fixed to the fixing base 1 through the fourth fixing screw 7 .
[0039] As an implementation mode, the positioning member 4 is disposed at an upper middle position of the first fixing seat 2 through a bearing 6 .
[0040] As an implementation manner, the first fixing seat 2 is in the shape of a rectangular plate.
[0041] As an implementation method, Figure 2 As shown, the shape of the first fixing seat 2 is specifically a plate with a rectangular lower portion and a circular upper portion.
[0042] As an implementation manner, the first fixing seat 2 is in the shape of a triangular plate.
[0043] That is to say, the utility model does not impose any specific restrictions on the shape of the first fixed seat 2, and can be selectively designed according to actual tooling needs. Any shape of the first fixed seat 2 that can achieve the installation of the positioning member 4 by the first fixed seat 2 through the bearing 6 to achieve the removal of the burrs on the tip of the expansion tube is within the protection scope of the utility model.
[0044] The positioning member 4 is movably connected to the first fixing seat 2 via a bearing 6 , so that the positioning member 4 can rotate relative to the first fixing seat 2 .
[0045] The expansion tube 22 is inserted into the expansion tube positioning piece 4. The expansion tube 22 is positioned by the expansion tube tip shape. The expansion tube positioning piece 4 is connected to the first fixed seat 2 through a bearing 6. The expansion tube positioning piece 4 can rotate. The upper surface of the positioning piece 4 has a bite pattern 8, and it can be freely rotated by hand.
[0046] like Figure 4 , Figure 5 and Figure 6 As shown, the positioning member 4 is cylindrical as a whole, a biting pattern 8 is provided on the outer surface of one end of the positioning member 4, and a positioning cavity 9 is provided inside the positioning member 4 along the axial direction of the positioning member 4.
[0047] Specifically, Fig. 9 As shown, the positioning cavity 9 is composed of a plurality of cavities with different apertures, specifically including a first cavity 91, a second cavity 92, a third cavity 93, a fourth cavity 94 and a fifth cavity 95 which are connected in sequence. The cross sections of the first cavity 91, the second cavity 92, the third cavity 93, the fourth cavity 94 and the fifth cavity 95 are all circular. The difference is that the cross-sectional diameters of the cavities are different and vary, such as Figure 6 As shown, the first cavity 91 serves as the entrance of the expansion tube 22 of the positioning member 4, and its cross-sectional diameter is the largest. The cross-sectional diameter of the first cavity 91 gradually and evenly decreases in the direction approaching the second cavity 92, similar to a truncated cone cavity; the second cavity 92 serves as a transition cavity between the first cavity 91 and the third cavity 93, and its cross-sectional diameter also gradually decreases in the direction approaching the third cavity 93, but it does not decrease evenly, and its decreasing rate gradually decreases, similar to a truncated cone cavity with a concave side; the cross-sectional diameter of the third cavity 93 is fixed; the cross-sectional diameters of the fourth cavity 94 and the fifth cavity 95 gradually and evenly decrease in the direction away from the third cavity 93, the difference being that the cross-sectional diameter of the fifth cavity 95 decreases at a rate greater than that of the fourth cavity 94, but less than that of the first cavity 91.
[0048] like Figure 7 , Figure 8 and Fig. 9 As shown, the pipe cutting part further includes a slider base 11 , on which a slide rail 12 is disposed, and the second fixed seat 3 is provided with a slider 13 , through which the second fixed seat 3 is slidably connected to the slide rail 12 .
[0049] The second fixing seat 3 is slidably connected to the slide rail 12 via the slider 13 , so that the second fixing seat 3 can slide along the direction of the slide rail 12 .
[0050] like Fig. 9 and Fig.11As shown, the pipe cutting part also includes a limit block 14 and a spring 15. The limit block 14 is connected to the spring 15. A spring cavity 16 is provided on the second fixed seat 3. The spring 15 is located in the spring cavity 16. The limit block 14 is connected to the fixed base 1 through a third fixing screw 18.
[0051] When the burr on the tip of the expansion tube 22 is cut off, the spring 15 is gradually compressed as the second fixed seat 3 slides along the slide rail 12 toward the limit block 14. When the burr is cut off, the force applied to the second fixed seat 3 is removed, and the second fixed seat 3 moves away from the limit block 14 under the action of the spring 15.
[0052] like Fig. 9 and Fig.10 As shown, a knife groove 17 is provided on the second fixing seat 3 , and the shape of the knife groove 17 is the same as that of the blade 5 . The blade 5 can just be embedded in the knife groove 17 , and the blade 5 is fixed in the knife groove 17 by a first fixing screw 10 .
[0053] Specifically, the blade groove 17 and the blade 5 are arranged on a side of the second fixing seat 3 facing the first fixing seat 2 .
[0054] like Fig.10 As shown, grooves corresponding to the first fixing screws 10 are provided on both ends of the blade 5 , so that the blade 5 can be fixed on the second fixing seat 3 by the first fixing screws 10 .
[0055] As an implementation method, Figure 7 As shown, there are two first fixing screws 10 .
[0056] As an implementation manner, there are three first fixing screws 10 .
[0057] As an implementation manner, there are four first fixing screws 10 .
[0058] That is to say, the specific number of the first fixing screws 10 is not fixed and can be selectively set according to factors such as the size and shape of the blade 5. Any number of first fixing screws 10 that can fix the blade 5 on the second fixing seat 3 and thus remove the burrs on the tip of the expansion tube is within the protection scope of the present utility model.
[0059] As an implementation method, Figure 7 As shown, when the blade 5 is mounted and fixed on the second fixing seat 3, the blade 5 has a certain inclination angle.
[0060] As an implementation method, Figure 7 As shown, when the blade 5 is mounted and fixed on the second fixing seat 3 , the blade tip (blade) of the blade 5 is exposed outside the side surface of the second fixing seat 3 .
[0061] like Figure 7 , Fig.11 and Fig.12 As shown, the pipe cutting part further includes a second fixing screw 19 , and the slider base 11 is connected to the fixed base 1 via the second fixing screw 19 .
[0062] The number of the second fixing screws 19 and the third fixing screws 18 is the same as that of the first fixing screws 10 , and is not fixed, and can be selectively set according to factors such as the size and shape of the limit block 14 and the sliding block 13 .
[0063] like Fig.13 As shown, a first groove 20 and a second groove 21 are provided on the fixed base 1 , the first fixed base 2 is partially embedded in the first groove 20 , and the slider base 11 and the limit block 14 are embedded in the second groove 21 .
[0064] Specifically, the first groove 20 and the second groove 21 are arranged in parallel, and a certain gap is left between the first groove 20 and the second groove 21, so that after the pipe fixing part and the pipe cutting part of the tooling are installed, the first fixing seat 2 and the second fixing seat 3 are at a certain distance. When the tooling is assembled, the end face of the positioning member 4 close to the pipe cutting part is almost in the same vertical plane as the blade 5, and when the second fixing seat 3 is pushed to slide in the direction of the limit block 14, the burr at the tip of the expansion tube that leaks out of the positioning member 4 can be cut off.
[0065] As an implementation method, Fig.13 As shown, the shape of the fixing base 1 is rectangular.
[0066] As an implementation manner, the shape of the fixed base 1 may also be circular.
[0067] As an implementation manner, the shape of the fixed base 1 may also be a rhombus.
[0068] Furthermore, the first fixing seat 2 and the second fixing seat 3 are arranged opposite to each other, the blade 5 is located between the first fixing seat 2 and the second fixing seat 3 , and the height of the positioning member 4 is the same as the height of the blade 5 .
[0069] The height of the positioning member 4 is the same as the height of the blade 5, which means that when the tooling is assembled, when the second fixing seat 3 is pushed to slide toward the limit block 14, the blade of the blade 5 can just pass over the end surface of the positioning member 4 close to the pipe cutting portion, thereby cutting off the exposed tip burr. Fig.14 and Fig.15 shown.
[0070] The second fixed seat 3 has a positioning knife groove 17 of the blade 5 in the shape of the blade 5. The blade 5 is fixed to the second fixed seat 3 with a fixing screw. The bottom surface of the second fixed seat 3 is provided with a slider 13 with a dovetail structure connected to the slide rail 12 on the slider base 11. The second fixed seat 3 can slide horizontally through the slider 13 and the slide rail 12. The pipe cutting part stands on the fixed base 1. When the second fixed seat 3 moves horizontally, the position of the horizontal movement is limited by the limit block 14 and the groove on the fixed base 1. At the same time, a reset spring 15 is provided between the second fixed seat 3 and the limit block 14.
[0071] The pipe fixing part and the pipe cutting part are fixed on the fixing base 1 at the same time to keep their relative positions. When the expansion tube fixing part is rotated manually, the second fixing seat 3 is gently pushed by hand to cut off the burrs on the end face of the expansion tube. When the hand is released, the second fixing seat 3 is reset under the action of the spring 15, and the burrs on the tip of the expansion tube are cut off in this way.
[0072] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0073] It is not difficult for those skilled in the art to understand that the utility model includes any combination of the utility model content and the specific implementation method part of the above specification and the various parts shown in the drawings. Due to the limited space and to make the specification concise, the various schemes composed of these combinations are not described one by one. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
[0074] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A tool for removing burrs from the tip of a medical expansion tube, characterized in that: It includes a pipe fixing part, a pipe cutting part and a fixed base, the pipe fixing part includes a first fixing seat and a positioning piece, the first fixing seat is connected to the positioning piece, the pipe cutting part includes a second fixing seat and a blade, the blade is arranged on the second fixing seat, and the pipe fixing part and the pipe cutting part are both arranged on the fixed base.
2. A tool for removing burrs from the tip of a medical expansion tube according to claim 1, characterized in that: The pipe fixing portion further comprises a bearing and a fourth fixing screw. The positioning member is movably connected to the first fixing seat via the bearing. The first fixing seat is fixed to the fixing base via the fourth fixing screw.
3. A tool for removing burrs from the tip of a medical expansion tube according to claim 1 or 2, characterized in that: The positioning member is cylindrical in shape as a whole, a biting pattern is provided on the outer surface of one end of the positioning member, and a positioning cavity is provided inside the positioning member along the axial direction of the positioning member.
4. A tool for removing burrs from the tip of a medical expansion tube according to claim 1, characterized in that: The pipe cutting part also includes a slider base, a slide rail is arranged on the slider base, the second fixing seat is provided with a slider, and the second fixing seat is slidably connected with the slide rail through the slider.
5. A tool for removing burrs from the tip of a medical expansion tube according to claim 4, characterized in that: The pipe cutting part also includes a limit block and a spring, the limit block is connected to the spring, a spring cavity is provided on the second fixing seat, the spring is located in the spring cavity, and the limit block is connected to the fixing base through a third fixing screw.
6. A tool for removing burrs from the tip of a medical expansion tube according to claim 1, characterized in that: The second fixing seat is provided with a knife groove, the shape of which is the same as that of the blade, and the blade can be just embedded in the knife groove. The blade is fixed in the knife groove by a first fixing screw.
7. A tool for removing burrs from the tip of a medical expansion tube according to claim 4 or 5, characterized in that: The pipe cutting part further includes a second fixing screw, and the slider base is connected to the fixing base via the second fixing screw.
8. The tool for removing burrs from the tip of a medical expansion tube according to claim 5, characterized in that: The fixed base is provided with a first groove and a second groove, the first fixed base is partially embedded in the first groove, and the slider base and the limiting block are embedded in the second groove.
9. The tool for removing burrs from the tip of a medical expansion tube according to claim 1, characterized in that: The first fixing seat and the second fixing seat are arranged opposite to each other, the blade is located between the first fixing seat and the second fixing seat, and the height of the positioning member is the same as the height of the blade.