Continuous cutting device for thin-wall stainless steel precise micropipe

Abstract

The utility model discloses a continuous cutting device for a thin-wall stainless steel precise microtubule, which relates to the technical field of medical instrument cutting and comprises a cutting blade, a variable frequency motor is arranged on one side of the cutting blade, and the output end of the variable frequency motor drives the cutting blade to rotate. An air cylinder is arranged at the upper end of the variable frequency motor, an air cylinder mounting frame is fixed to one end of the air cylinder, a positioning column is arranged below the air cylinder mounting frame, fixing assemblies are arranged outside one end of the positioning column, the number of the fixing assemblies is three, and a first adjusting groove is formed in the outer wall of the end, provided with the fixing assemblies, of the positioning column. According to the scheme, the problems that when a thin-wall stainless steel precise microtube in an existing medical instrument is fixed and cut, the thin-wall stainless steel precise microtube is prone to deformation due to large fixing stress caused by the thin-wall characteristic, and deformation is prone to occurring due to the fact that the thin-wall is stressed and the interior lacks support during cutting are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument cutting technical field, concretely to a continuous cutting device of thin wall stainless steel precision micro -tube. BACKGROUND

[0002] The thin wall stainless steel precision micro -tube in medical instrument is a kind of stainless steel pipe with smaller outer diameter, thinner wall thickness and higher precision, and the pipe material has excellent properties such as high strength, corrosion resistance and high temperature resistance, is the indispensable key material in high-end medical instrument manufacturing, and needs to be cut according to the required length when processing.

[0003] For example, the Chinese patent (stainless steel pipe cutting device) with the announcement number CN203649542U: including machine table, be equipped with stand column on the machine table, be equipped with sliding seat and lifting drive device on the stand column, the sliding seat connects the lifting drive device, the sliding seat is installed with cutting knife and rotary drive device, the cutting knife connects the rotary drive device, the machine table is also equipped with the clamping device located below the cutting knife, the clamping device includes cylinder and two opposite combined clamping blocks for clamping stainless steel pipe, the cylinder is connected with one clamping block, and the clamping surface of each clamping block for clamping stainless steel pipe is semicircular, and the gap between the two clamping blocks is 2-3mm. The stainless steel pipe cutting device of the utility model can avoid the deformation of stainless steel pipe, and ensure the appearance of stainless steel pipe.

[0004] However, the thin wall stainless steel precision micro -tube in existing medical instrument is prone to deformation due to large fixing stress caused by thin wall characteristics when being fixed and cut, and is also prone to deformation due to lack of internal support when being cut. Therefore, it does not meet the existing demand, and we propose a continuous cutting device for thin wall stainless steel precision micro -tube. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a continuous cutting device for thin wall stainless steel precision micro -tube to solve the problem that the thin wall stainless steel precision micro -tube in existing medical instrument is prone to deformation due to large fixing stress caused by thin wall characteristics when being fixed and cut, and is also prone to deformation due to lack of internal support when being cut.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of continuous cutting device of thin-wall stainless steel precision microtube, it includes: cutting blade, the side of cutting blade is provided with variable frequency motor, and variable frequency motor's output end drives cutting blade to rotate, the upper end of variable frequency motor is provided with cylinder, one end of cylinder is fixed with cylinder mounting bracket, the below of cylinder mounting bracket is provided with locating post, the outside of one end of locating post is provided with fixed component, and fixed component is provided with three, the outside wall of one end of locating post with fixed component is provided with first adjusting groove, the side of first adjusting groove is provided with second adjusting groove, the side of second adjusting groove is provided with third adjusting groove, and first adjusting groove, second adjusting groove and third adjusting groove are respectively one-to-one corresponding with three fixed components.

[0007] Preferably, the fixed component includes a fixed seat, and the lower surface of the fixed seat is provided with an adjusting column, and the three adjusting columns corresponding to the three fixed components are respectively moved up and down along the first adjusting groove, the second adjusting groove and the third adjusting groove.

[0008] Preferably, the fixed component further includes an extension seat, and the extension seat is fixed to the front surface of the fixed seat, and the outer walls of the extension seat and the fixed seat are both arc-shaped.

[0009] Preferably, the front surface of one end of the locating post is provided with a first knob hole, the side of the first knob hole is provided with a second knob hole, the side of the second knob hole is provided with a third knob hole, and the first knob hole, the second knob hole and the third knob hole are respectively communicated with the first adjusting groove, the second adjusting groove and the third adjusting groove.

[0010] Preferably, one end of each of the first knob hole, the second knob hole and the third knob hole is threadedly connected with a fixed knob, and one end of the fixed knob is provided with a pressing pad.

[0011] Preferably, one end of the cylinder mounting bracket is provided with a support frame, one end of the support frame is welded and fixed with the cylinder mounting bracket, and the other end of the support frame is welded and fixed with the locating post.

[0012] Preferably, the surface of one end of the support frame welded with the locating post is provided with a fixed plate on both sides, and the fixed plate is welded and fixed with the support frame.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1), the utility model discloses a fixed assembly is set up to the outside one end of the positioning column, and the first adjusting groove, second adjusting groove and third adjusting groove are set up to the outer surface one end of the positioning column, and three adjusting columns of three fixed assemblies are correspondingly moved up and down along the first adjusting groove, second adjusting groove and third adjusting groove, and the position of three fixed seats is adjusted to match the inside diameter of the thin wall stainless steel precision micro - tube, and after adjusting, the fixed knob is pressed and fixed, and the inner wall of the thin wall stainless steel precision micro - tube is pressed and supported by the fixed assembly, compared with the prior art of pressing and fixing from the outside, the inside support mode does not cause the deformation phenomenon of pressing, and when cutting operation is carried out, the fixed assembly is supported, avoids the deformation of micro - tube when pressing down, improves stability and cutting effect, and solves the problem that the thin wall stainless steel precision micro - tube in the prior art medical instrument is easy to deform due to the thin wall feature when fixing and cutting, and is easy to deform due to the thin wall stress when cutting.

[0015] (2), by setting the extension seat on the front surface of the fixed seat, the cutting blade moves down along the extension seat, and the extension seat protrudes the positioning column, which protects the fixed knob, and the fixed knob is not damaged during cutting, improving safety. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the positioning column and fixed assembly connection structure schematic diagram of the utility model;

[0018] Figure 3 It is the positioning column and fixed assembly split structure schematic diagram of the utility model;

[0019] Figure 4 It is the positioning column structure schematic diagram of the utility model;

[0020] In the drawing: 1, cutting blade; 2, cylinder; 3, cylinder mounting frame; 4, support frame; 5, positioning column; 6, fixed assembly; 7, fixed plate; 8, fixed seat; 9, extension seat; 10, adjusting column; 11, first adjusting groove; 12, second adjusting groove; 13, third adjusting groove; 14, first knob hole; 15, second knob hole; 16, third knob hole; 17, fixed knob; 18, extrusion pad; 19, variable frequency motor. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all.

[0022] Referring to Figures 1-4 The utility model provides a kind of continuous cutting device of thin-wall stainless steel precision microtube, comprising: cutting blade 1, one side of cutting blade 1 is provided with variable frequency motor 19, and the output end of variable frequency motor 19 drives cutting blade 1 to rotate, the upper end of the variable frequency motor 19 is provided with cylinder 2, one end of cylinder 2 is fixed with cylinder mounting bracket 3, the lower portion of cylinder mounting bracket 3 is provided with positioning column 5, one end outer of positioning column 5 is provided with fixed assembly 6, and fixed assembly 6 is provided with three, one end outer wall of positioning column 5 with fixed assembly 6 is provided with first adjusting groove 11, one side of first adjusting groove 11 is provided with second adjusting groove 12, one side of second adjusting groove 12 is provided with third adjusting groove 13, and first adjusting groove 11, second adjusting groove 12 and third adjusting groove 13 are respectively corresponding with three fixed assemblies 6, fixed assembly 6 includes fixed seat 8, the lower surface of fixed seat 8 is provided with adjusting column 10, and the three adjusting columns 10 corresponding to the three fixed assemblies 6 are respectively moved up and down along first adjusting groove 11, second adjusting groove 12 and third adjusting groove 13, one end front surface of positioning column 5 is provided with first knob hole 14, one side of first knob hole 14 is provided with second knob hole 15, one side of second knob hole 15 is provided with third knob hole 16, and first knob hole 14, second knob hole 15 and third knob hole 16 are respectively communicated with first adjusting groove 11, second adjusting groove 12 and third adjusting groove 13, one end of first knob hole 14, second knob hole 15 and third knob hole 16 is all screw thread connection with fixed knob 17, one end of fixed knob 17 is provided with extrusion pad 18, one end of cylinder mounting bracket 3 is provided with support frame 4, and one end of support frame 4 is welded and fixed with cylinder mounting bracket 3, and the other end of support frame 4 is welded and fixed with positioning column 5, the three adjusting columns 10 corresponding to the three fixed assemblies 6 are respectively inserted along first adjusting groove 11, second adjusting groove 12 and third adjusting groove 13, and are moved up and down along first adjusting groove 11, second adjusting groove 12 and third adjusting groove 13, the position of three fixed seats 8 is adjusted, and is matched with the inside diameter of thin-wall stainless steel precision microtube, after adjusting, three fixed knobs 17 are respectively rotated along first knob hole 14, second knob hole 15 and third knob hole 16, rely on extrusion pad 18 and extrude fixed knob 10, realize fixed assembly 6 fixed, then positioning column 5 and fixed assembly 6 are inserted into the inside of thin-wall stainless steel precision microtube, rely on fixed assembly 6 and extrude support to the inner wall of thin-wall stainless steel precision microtube, compared with the prior art from outside extrusion fixed, from inside support mode, will not cause the phenomenon of deformation due to extrusion, and when cutting operation, rely on fixed assembly 6 to play support effect, avoid microtube deformation when pressing down, improve stability and cutting effect.

[0023] Referring to Figure 1 ,2 The fixed assembly 6 further comprises an extension base 9, and the extension base 9 is fixed on the front surface of the fixed base 8, and the outer wall of the extension base 9 and the fixed base 8 are both circular arc-shaped, the frequency conversion motor 19 is driven to move downward by the output end of the air cylinder 2, and the cutting blade 1 is driven to rotate by the output end of the frequency conversion motor 19, the thin-walled stainless steel precision micro-pipe is cut, moves downward along the extension base 9, the fixed knob 17 is protected by the characteristics of the extension base 9 protruding the positioning column 5, the fixed knob 17 is not damaged during cutting, after cutting once, the thin-walled stainless steel precision micro-pipe is pulled out, moves through the moving structure of the thin-walled stainless steel precision micro-pipe, and is cut after being pulled to the size position to be cut, so that continuous cutting is realized, and the commonly used moving structure is an existing belt conveyor.

[0024] Please refer to Figure 1 The two sides of one end of the supporting frame 4 welded with the positioning column 5 are both provided with the fixed plate 7, and the fixed plate 7 is welded and fixed with the supporting frame 4, is fixed through the external fastener of the fixed plate 7, so that overall fixation is realized, and after overall fixation, positioning and fixing effects are realized after being connected with the thin-walled stainless steel precision micro-pipe, so that movement deviation is avoided.

[0025] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A continuous cutting device of thin-walled stainless steel precision microtubes, comprising a cutting blade (1), characterized in that: One side of the cutting blade (1) is provided with a variable frequency motor (19), and the output end of the variable frequency motor (19) drives the cutting blade (1) to rotate, the upper end of the variable frequency motor (19) is provided with a cylinder (2), one end of the cylinder (2) is fixedly provided with a cylinder mounting frame (3), the lower portion of the cylinder mounting frame (3) is provided with a positioning column (5), one end of the positioning column (5) is externally provided with a fixing assembly (6), and the fixing assembly (6) is provided with three, one end of the positioning column (5) is externally provided with a first adjusting groove (11), one side of the first adjusting groove (11) is provided with a second adjusting groove (12), one side of the second adjusting groove (12) is provided with a third adjusting groove (13), and the first adjusting groove (11), the second adjusting groove (12) and the third adjusting groove (13) correspond to the three fixing assemblies (6) respectively.

2. The continuous cutting device for thin-walled stainless steel precision micro-pipe according to claim 1, characterized in that: The fixing assembly (6) comprises a fixing seat (8), and the lower surface of the fixing seat (8) is provided with an adjusting column (10), and the three adjusting columns (10) corresponding to the three fixing assemblies (6) are respectively moved up and down along the first adjusting groove (11), the second adjusting groove (12) and the third adjusting groove (13).

3. The apparatus for continuous cutting of thin-walled stainless steel precision micro-pipe according to claim 2, characterized in that: The fixing assembly (6) further comprises an extension seat (9), and the extension seat (9) is fixed on the front surface of the fixing seat (8), and the outer walls of the extension seat (9) and the fixing seat (8) are both arc-shaped.

4. The apparatus according to claim 1, wherein: One end of the positioning column (5) is provided with a first knob hole (14), one side of the first knob hole (14) is provided with a second knob hole (15), one side of the second knob hole (15) is provided with a third knob hole (16), and the first knob hole (14), the second knob hole (15) and the third knob hole (16) are communicated with the first adjusting groove (11), the second adjusting groove (12) and the third adjusting groove (13) respectively.

5. The apparatus for continuous cutting of thin-walled stainless steel precision micro-pipe according to claim 4, characterized in that: One end of the first knob hole (14), the second knob hole (15) and the third knob hole (16) is threadedly connected with a fixing knob (17), one end of the fixing knob (17) is provided with an extrusion pad (18).

6. The apparatus for continuous cutting of thin-walled stainless steel precision micro-pipe according to claim 1, characterized in that: One end of the cylinder mounting frame (3) is provided with a support frame (4), one end of the support frame (4) is welded and fixed with the cylinder mounting frame (3), and the other end of the support frame (4) is welded and fixed with the positioning column (5).

7. The apparatus according to claim 6, wherein: The two side surfaces of one end of the support frame (4) welded with the positioning column (5) are both provided with a fixing plate (7), and the fixing plate (7) is welded and fixed with the support frame (4). The two side surfaces of one end of the support frame (4) welded with the positioning column (5) are both provided with a fixing plate (7), and the fixing plate (7) is welded and fixed with the support frame (4).

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