CN113878451A

CN113878451A - Semi-automatic needle tube needle point processing equipment

Info

Publication number: CN113878451A
Application number: CN202111281706.6A
Authority: CN
Inventors: 权肖云; 李丽; 李成日; 蔡福顺; 孙绍辉
Original assignee: Ningbo Yiweiou New Material Co ltd
Current assignee: Ningbo Yiweiou New Material Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-01-04
Anticipated expiration: 2041-11-01
Also published as: CN113878451B

Abstract

The invention relates to the technical field of needle tube processing, and discloses semi-automatic needle tube needle point processing equipment which comprises a rack, wherein a grinding machine is arranged on the rack, a material loading mechanism is arranged on one side of the grinding machine, the material loading mechanism comprises a fixed seat and a supporting frame, the supporting frame is fixedly connected with the rack, and a moving platform is arranged on the supporting frame; the fixing base with mobile station fixed connection, just one side of fixing base is equipped with splint, splint are close to one side of fixing base is equipped with spacing arch. By improving the material carrying mechanism, the cutting fluid can enter from the bottom of the needle tube and be sprayed out from the top of the needle tube during processing, so that the cutting fluid can play a role in lubricating and cooling during processing, and can wash away cutting scraps to prevent the cutting scraps from entering the needle tube, thereby avoiding the cleaning work in the later period and greatly improving the production efficiency.

Description

Semi-automatic needle tube needle point processing equipment

Technical Field

The invention relates to the technical field of needle tube processing, in particular to semi-automatic needle tube needle tip processing equipment.

Background

The front end of the needle tube of the medical injection needle is a wedge-shaped inclined plane for injection and puncture; the other end is a straight surface and is used for being inserted and fixed in the needle handle. The processing flow of the conventional injection needle tube is as follows: 1. rolling the steel plate into a cylinder shape by a plate rolling machine, and then welding the steel plate to prepare a steel pipe, 2, stretching the steel pipe to prepare a small-diameter steel pipe; 3. sawing the steel pipe to obtain a small section of semi-finished product, polishing one end of the semi-finished product, machining a needle head, and polishing the whole semi-finished product to remove burrs so as to obtain a finished product.

In the prior art, when a needle of a needle tube is machined, a plurality of needle tubes are generally fixed on a material carrying mechanism at a certain inclination angle, after a workpiece is fixed, the material carrying mechanism is pushed, and the workpiece is in contact with a grinding mechanism under the driving of the material carrying mechanism. In the process of needle point polishing, cutting fluid is needed, and under normal conditions, when processing, the cutting fluid is directly sprayed on the needle tube, so that cutting scraps generated in the cutting process can enter the interior of the needle tube and block the needle tube, and after the processing is finished, the needle tube is cleaned by wasting time and energy, which is very inconvenient.

Disclosure of Invention

The invention provides semi-automatic needle tube needlepoint processing equipment which has the beneficial effect of high processing efficiency and solves the problem of low efficiency caused by that workers need to adjust a needle tube for several times to process a needle point meeting the requirements during processing, the machine needs to be stopped for each adjustment and then manually adjust the needle tube.

The invention provides the following technical scheme: a semi-automatic needle tube needle point processing device comprises a rack, wherein a grinding machine is arranged on the rack, a material loading mechanism is arranged on one side of the grinding machine, the material loading mechanism comprises a fixed seat and a supporting frame, the supporting frame is fixedly connected with the rack, and a moving table is arranged on the supporting frame;

the fixing base with mobile station fixed connection, just one side of fixing base is equipped with splint, splint are close to one side of fixing base is equipped with spacing arch, the upper end of fixing base is equipped with the limiting plate, just the downside of fixing base is equipped with the supporting seat, be equipped with the spacing through-hole of a plurality of on the limiting plate, just the position and the quantity of spacing through-hole with the supporting seat one-to-one, be equipped with the back shaft on the supporting seat, just the back shaft with the supporting seat rotates to be connected, the back shaft is hollow structure, just the one end of back shaft with the supporting seat intercommunication, the supporting seat with the fixing base intercommunication.

As an alternative to the semi-automatic needle tube needlepoint processing equipment of the present invention, wherein: the upper end of back shaft is equipped with the through-hole, just the downside of back shaft is equipped with the inlet, be equipped with first belt pulley on the back shaft.

As an alternative to the semi-automatic needle tube needlepoint processing equipment of the present invention, wherein: be equipped with the fixed plate in the fixing base, just the fixed plate through first spring with fixing base elastic connection, one side symmetry of fixed plate is equipped with the spliced pole, just the one end of spliced pole is passed the fixing base and through connecting spring with splint elastic connection.

As an alternative to the semi-automatic needle tube needlepoint processing equipment of the present invention, wherein: the fixing base is internally provided with a first fixing groove, a second fixing groove and a third fixing groove from top to bottom in sequence, a connecting plate is arranged in the first fixing groove, two notches are formed in the connecting plate, an inclined plane is arranged on one side of each notch, and one end of the connecting plate is fixedly connected with the fixing plate.

As an alternative to the semi-automatic needle tube needlepoint processing equipment of the present invention, wherein: the impeller fixing device is characterized in that a plurality of impellers are arranged in the second fixing groove, a partition plate is arranged in the middle of the second fixing groove, a first through hole and a second through hole are formed in the top of the second fixing groove, and an opening used for communicating the third fixing groove is formed in one end of the second fixing groove.

As an alternative to the semi-automatic needle tube needlepoint processing equipment of the present invention, wherein: and a gear box is arranged in the third fixing groove, an input shaft of the gear box is fixedly connected with the impeller, a second belt pulley is arranged on an output shaft of the gear box, and the gear box is in transmission connection with the supporting shaft through a belt.

As an alternative to the semi-automatic needle tube needlepoint processing equipment of the present invention, wherein: one end of the fixed seat is provided with a first ejector rod and a second ejector rod, one end of the first ejector rod penetrates through the fixed seat and is inserted into the first through hole, one end of the second ejector rod penetrates through the fixed seat and is inserted into the second through hole, the first ejector rod and the second ejector rod are both elastically connected with the fixed seat through a second spring, and pistons are arranged at the upper ends of the first ejector rod and the second ejector rod.

As an alternative to the semi-automatic needle tube needlepoint processing equipment of the present invention, wherein: the top of fixing base is equipped with the feed liquor pipe, just the feed liquor pipe with first fixed slot intercommunication.

As an alternative to the semi-automatic needle tube needlepoint processing equipment of the present invention, wherein: the rack is provided with a first limiting convex rib and a second limiting convex rib, the position of the first limiting convex rib is opposite to that of the first ejector rod, and the position of the second limiting convex rib is opposite to that of the second limiting convex rib.

The invention has the following beneficial effects:

1. according to the semi-automatic needle tube needle point processing equipment, the supporting seat is arranged on the fixed seat, the supporting seat is provided with the supporting shaft, the supporting seat and the fixed seat are all of a hollow structure, during processing, a needle tube penetrates through the limiting through hole and then is inserted into the supporting shaft, cutting fluid firstly enters the fixed seat and then flows into the supporting seat, then enters the workpiece through the supporting shaft and finally is sprayed out of the top of the workpiece, and during processing, the cutting fluid flows from the bottom of the workpiece to the upper end of the workpiece, so that even if metal scraps are generated during cutting, the metal scraps cannot enter the inside of the workpiece; by improving the material carrying mechanism, the cutting fluid can enter from the bottom of the needle tube and be sprayed out from the top of the needle tube during processing, so that the cutting fluid can play a role in lubricating and cooling during processing, and can wash away cutting scraps to prevent the cutting scraps from entering the interior of the needle tube, thereby avoiding the subsequent cleaning work and greatly improving the production efficiency.

2. This semi-automatic needle tubing needle point processing equipment, through set up the gear box in the fixing base, be equipped with the impeller on the input shaft of gear box, when cutting fluid flows in the fixing base, can drive impeller and gear box and rotate, be equipped with the second belt pulley on the output shaft of gear box, be equipped with first belt pulley on the back shaft, the gear box passes through the belt and is connected with the back shaft transmission, that is to say, along with the flow of cutting fluid, the bearing shaft rotation can be automatic in the drive of gear box, and the work piece is then fixed on the back shaft, can rotate along with the back shaft, thereby the automatically regulated of work piece has been accomplished, further improvement machining efficiency.

3. This semi-automatic needle tubing needle point processing equipment, through setting up first ejector pin and second ejector pin, all be equipped with the piston on first ejector pin and second ejector pin, when first ejector pin or second ejector pin motion, on the one hand, can drive the piston motion, first through-hole or second through-hole just are in the state of opening like this, the cutting fluid accessible first through-hole or the second through-hole in the first fixed slot get into to the second fixed slot in, on the other hand, first ejector pin and second ejector pin are when the motion, still can contradict with the connecting plate, under the promotion of first ejector pin or second ejector pin, the connecting plate drives the fixed plate motion, the fixed plate can drive the spliced pole motion again, thereby make splint no longer press from both sides the work piece tightly.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a connection structure of the fixing base and the clamping plate of the invention.

Fig. 3 is a schematic view of a fixing base structure of the present invention.

Fig. 4 is a top view of the first fixing groove of the present invention.

Fig. 5 is a sectional view of the fixing base of the present invention.

Fig. 6 is a schematic view of the internal structure of the fixing base of the present invention.

Fig. 7 is a schematic view of the first time after the needle of the present invention is manufactured.

Fig. 8 is a schematic view of the needle of the present invention after a second process.

In the figure: 1. a frame; 2. a sander; 3. a fixed seat; 4. a support frame; 5. a mobile station; 6. a splint; 601. a limiting bulge; 7. a limiting plate; 701. a limiting through hole; 8. a supporting seat; 9. a support shaft; 901. a liquid inlet; 10. a first pulley; 11. a fixing plate; 12. connecting columns; 13. a connecting spring; 14. a first fixing groove; 15. a second fixing groove; 16. a third fixing groove; 17. a connecting plate; 1701. a notch; 18. an impeller; 19. a partition plate; 20. a first through hole; 21. a second through hole; 22. an opening; 23. a gear case; 24. a first ejector rod; 25. a second ejector rod; 26. a second spring; 27. a liquid inlet pipe; 28. a second pulley; 29. a first limit convex rib; 30. a second limit convex rib; 31. a first spring; 32. a belt; 33. a piston.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-8, a semi-automatic needle tube needlepoint processing device includes a frame 1, a grinding machine 2 is disposed on the frame 1, a material loading mechanism is disposed on one side of the grinding machine 2, the material loading mechanism includes a fixed seat 3 and a supporting frame 4, the supporting frame 4 is fixedly connected with the frame 1, and a moving table 5 is disposed on the supporting frame 4;

fixing

base

3 and 5 fixed connection of mobile station, and one side of fixing base 3 is equipped with splint 6, one side that splint 6 is close to fixing base 3 is equipped with spacing arch 601, the upper end of fixing base 3 is equipped with limiting plate 7, and the downside of fixing base 3 is equipped with supporting seat 8, be equipped with the spacing through-hole 701 of a plurality of on the limiting plate 7, and the position and the quantity and the 8 one-to-one of supporting seat of spacing through-hole 701, be equipped with back shaft 9 on the supporting seat 8, and back shaft 9 rotates with supporting seat 8 to be connected, back shaft 9 is hollow structure, and the one end and the 8 intercommunications of supporting seat of back shaft 9, supporting

seat

8 and 3 intercommunications of fixing base.

Have polisher 2 and the frame that carries material mechanism through the setting, polisher 2 is belt formula polisher, the material is fixed on carrying material mechanism, it includes fixing base 3 and support frame 4 to carry material mechanism, be equipped with mobile station 5 on support frame 4, mobile station 5 passes through slide rail and 4 sliding connection of support frame, fixing base 3 is together fixed with mobile station 5, after the material is installed on fixing base 3, promote the motion of mobile station 5, under the drive of mobile station 5 and fixing base 3, the material can contact with the area of polishing on the polisher 2. Be equipped with supporting seat 8 on fixing base 3, supporting seat 8 department is equipped with back shaft 9, supporting seat 8 and fixing base 3 are hollow structure, add man-hour, pass spacing through-hole 701 with the needle tubing and then peg graft on back shaft 9, cutting fluid is advanced to go into in fixing base 3, then flow to in the supporting seat 8, in getting into the work piece through back shaft 9 after that, at last from the top blowout of work piece, because add man-hour, cutting fluid is the upper end that flows to the work piece from the bottom of work piece, even there is the metal sweeps to produce when the cutting, the metal sweeps also can't get into the inside to the work piece, the inside cleaning work of needle tubing in later stage has been removed from, the effectual machining efficiency that has improved.

By improving the material carrying mechanism, the cutting fluid can enter from the bottom of the needle tube and be sprayed out from the top of the needle tube during processing, so that the cutting fluid can play a role in lubricating and cooling during processing, and can wash away cutting scraps to prevent the cutting scraps from entering the interior of the needle tube, thereby avoiding the subsequent cleaning work and greatly improving the production efficiency.

Example 2

Referring to fig. 5, this embodiment is a further improvement of embodiment 1, in which a through hole is formed at the upper end of the supporting shaft 9, a liquid inlet 901 is formed at the lower side of the supporting shaft 9, and a first belt pulley 10 is disposed on the supporting shaft 9. The top of the supporting shaft 9 is provided with a through hole, and the cutting fluid enters the supporting shaft 9 through the fluid inlet 901 and then enters the inside of the workpiece through the through hole at the top of the supporting shaft 9.

Example 3

Referring to fig. 4, this embodiment is a further improvement of embodiment 1, a fixing plate 11 is disposed in the fixing base 3, the fixing plate 11 is elastically connected to the fixing base 3 through a first spring 31, connecting posts 12 are symmetrically disposed on one side of the fixing plate 11, and one end of each connecting post 12 passes through the fixing base 3 and is elastically connected to the clamping plate 6 through a connecting spring 13.

In the existing semi-automatic needle tube processing equipment, when in processing, workers need to adjust the needle tube for a plurality of times to process a needle point meeting requirements, the needle tube is required to be stopped every time of adjustment, then the needle tube is manually adjusted, the efficiency is low, in order to solve the problems, the device is characterized in that a gear box 23 is arranged in a fixed seat 3, an input shaft of the gear box 23 is provided with an impeller 18, cutting fluid can drive the impeller 18 and the gear box 23 to rotate when flowing in the fixed seat 3, an output shaft of the gear box 23 is provided with a second belt pulley 28, a support shaft 9 is provided with a first belt pulley 10, the gear box 23 is in transmission connection with the support shaft 9 through a belt, namely, the gear box 23 can automatically drive a bearing shaft 9 to rotate along with the flowing of the cutting fluid, a workpiece is fixed on the support shaft 9 and can rotate along with the support shaft 9, thereby completing the automatic adjustment of the workpiece, the processing efficiency is further improved;

the specific working principle is as follows: the clamping plate 6 is provided with a limiting bulge 601, one side of the limiting bulge 601 is provided with an arc-shaped groove which is matched with a workpiece, the clamping plate 6 is elastically connected with a connecting column 12 through a connecting spring 13, the connecting spring 13 can provide a pulling force to the direction of the fixed seat 3 for the clamping plate 6, the workpiece can be propped through the clamping plate 6 and the limiting bulge 601, so that the workpiece is fixed on the fixed seat 3, when the workpiece is fixed, the clamping plate 6 is only required to be pulled outwards firstly, then the workpiece is inserted on the supporting shaft 9, finally the clamping plate 6 is loosened, the workpiece can be clamped by the clamping plate 6 under the action of the connecting spring 13, when the angle of the workpiece is required to be adjusted, the limiting bulge 601 on the clamping plate 6 is required to be separated from the workpiece to be contacted, so that the workpiece can move, the connecting column 12 is inserted on the fixed seat 3, the position of the connecting column 12 can be adjusted, and the fixing plate 11 is fixedly connected, the fixing plate 11 is elastically connected to the fixing base 3 through the first spring 31, and the fixing plate 11 is adjusted only when the position of the connecting column 12 is to be adjusted.

Example 4

Referring to fig. 5 and 6, in this embodiment, a further improvement of embodiment 1 is provided, in which a first fixing groove 14, a second fixing groove 15, and a third fixing groove 16 are sequentially disposed from top to bottom in the fixing base 3, a connecting plate 17 is disposed in the first fixing groove 14, two notches 1701 are disposed on the connecting plate 17, an inclined surface is disposed on one side of the notch 1701, and one end of the connecting plate 17 is fixedly connected to the fixing plate 11. A plurality of impellers 18 are arranged in the second fixing groove 15, a partition plate 19 is arranged in the middle of the second fixing groove 15, a first through hole 20 and a second through hole 21 are formed in the top of the second fixing groove 15, and an opening 22 for communicating with a third fixing groove is formed in one end of the second fixing groove 15. A gear box 23 is arranged in the third fixing groove 16, an input shaft of the gear box 23 is fixedly connected with the impeller 18, a second belt pulley 28 is arranged on an output shaft of the gear box 23, and the gear box 23 is in transmission connection with the supporting shaft 9 through a belt 32.

The fixing plate 11 is positioned in the first fixing groove 14, a connecting plate 17 is arranged in the first fixing groove 14, the connecting plate 17 is fixedly connected with the fixing plate 11, two notches 1701 with inclined planes are arranged at the lower side of the connecting plate 17 and respectively correspond to the first ejector rod 24 and the second ejector rod 25, along with the movement of the fixed seat 3, the first ejector rod 24 and the second ejector rod 25 respectively abut against the first limiting convex rib 29 and the second limiting convex rib 30, under the push of the two limiting convex ribs, the first ejector rod 24 and the second ejector rod 25 respectively abut against the connecting plate 17, under the promotion of first ejector pin 24 or second ejector pin 25, connecting plate 17 can be to splint 6 direction motion, along with the motion of connecting plate 17, spliced pole 12 and fixed plate 11 all can move, along with the motion of spliced pole 12, splint 6 and spliced pole 12 also can move, and the clearance between splint 6 and the work piece will grow like this, and the work piece just can have moved about.

A first through hole 20 and a second through hole 21 are arranged in the second fixing groove 15, when the cutting fluid flows, the cutting fluid flows from the first fixing groove 14 to the second fixing groove 15, the cutting fluid in the first fixing groove 14 enters the second fixing groove 15 through the first through hole 20 or the second through hole 21, the first through hole 20 and the second through hole 21 are separated by a partition plate 19, under normal conditions, two through holes are blocked by a piston 33 on a first ejector rod 24 and a second ejector rod 25, the piston 33 is separated from the first through hole 20 or the second through hole 21 along with the movement of the first ejector rod 24 and the second ejector rod 25, so that the first through hole 20 or the second through hole 21 is in an open state, when the cutting fluid enters the second fixing groove 15 through the first through hole 20, the impeller 18 is driven to rotate clockwise, under the drive of the impeller 18 and the gear box 23, the workpiece deflects to one side, when the cutting fluid enters the second fixing groove 15 through the second through hole 21, the impeller 18 is driven to rotate counterclockwise, and the workpiece is deflected to the other side by the impeller 18 and the gear box 23.

An opening 22 is formed in one end of the second fixing groove 15, the cutting fluid in the second fixing groove 15 enters the third fixing groove 16 through the opening 22, the third fixing groove 16 is communicated with the supporting seat 8, a plurality of output shafts and an input shaft are arranged on the gear box 23, and a belt pulley is arranged on the output shaft of the gear box 23.

Example 5

Referring to fig. 5 and 6, in this embodiment, a further improvement of embodiment 1 is provided, one end of the fixing base 3 is provided with a first push rod 24 and a second push rod 25, one end of the first push rod 24 passes through the fixing base 3 and is inserted into the first through hole 20, one end of the second push rod 25 passes through the fixing base 3 and is inserted into the second through hole 21, the first push rod 24 and the second push rod 25 are elastically connected to the fixing base 3 through a second spring 26, and the upper ends of the first push rod 24 and the second push rod 25 are provided with a piston 33. A first limiting convex rib 29 and a second limiting convex rib 30 are arranged on the rack 1, the position of the first limiting convex rib 29 is opposite to the first ejector rod 24, and the position of the second limiting convex rib 30 is opposite to the second limiting convex rib 30.

The first ejector rod 24 and the second ejector rod 25 are respectively provided with a piston 33, when the first ejector rod 24 or the second ejector rod 25 moves, on one hand, the piston 33 is driven to move, so that the first through hole 20 or the second through hole 21 is in an open state, cutting fluid in the first fixing groove 14 can enter the second fixing groove 15 through the first through hole 20 or the second through hole 21, on the other hand, when the first ejector rod 24 and the second ejector rod 25 move, the first ejector rod 24 and the second ejector rod 25 can also abut against the connecting plate 17, under the pushing of the first ejector rod 24 or the second ejector rod 25, the connecting plate 17 drives the fixing plate 11 to move, and the fixing plate 11 drives the connecting column 12 to move, so that the clamping plate 6 does not clamp a workpiece;

be equipped with first spacing protruding muscle 29 and the spacing protruding muscle 30 of second on frame 1, along with the motion of mobile station 5, first ejector pin 24 can be contradicted with first spacing protruding muscle 29 earlier, the work piece can deflect to one side earlier like this, then second ejector pin 25 is contradicted with the spacing protruding muscle 30 of second, the work piece deflects to the opposite side, the total three-section displacement of mobile station 5, when carrying out the first section displacement, accomplish the front of needle point and polish, when carrying out the second section displacement, accomplish a side of needle point and polish, when carrying out the third section displacement, accomplish another side of needle point and polish.

Example 6

Referring to fig. 2 and 3, in this embodiment, a liquid inlet pipe 27 is disposed at the top of the fixing base 3, and the liquid inlet pipe 27 is communicated with the first fixing groove 14. The cutting fluid enters the first fixing groove 14 through the fluid inlet pipe 27, then enters the second fixing groove 15 through the first through hole 20 or the second through hole 21, then enters the third fixing groove 16 through the opening 22, then enters the supporting seat 8 through the third fixing groove 16, finally enters the needle tube through the supporting shaft 9 on the supporting seat 8, and is sprayed out from the top of the needle tube.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a semi-automatic needle tubing needle point processing equipment, includes frame (1), its characterized in that: a grinding machine (2) is arranged on the rack (1), a material loading mechanism is arranged on one side of the grinding machine (2), the material loading mechanism comprises a fixed seat (3) and a supporting frame (4), the supporting frame (4) is fixedly connected with the rack (1), and a moving platform (5) is arranged on the supporting frame (4);

the fixed seat (3) is fixedly connected with the mobile station (5), a clamping plate (6) is arranged on one side of the fixed seat (3), a limiting bulge (601) is arranged on one side of the clamping plate (6) close to the fixed seat (3), a limiting plate (7) is arranged at the upper end of the fixed seat (3), a supporting seat (8) is arranged at the lower side of the fixed seat (3), a plurality of limiting through holes (701) are arranged on the limiting plate (7), the positions and the number of the limiting through holes (701) are in one-to-one correspondence with the supporting seats (8), supporting shafts (9) are arranged on the supporting seats (8), the supporting shaft (9) is rotationally connected with the supporting seat (8), the supporting shaft (9) is of a hollow structure, and one end of the supporting shaft (9) is communicated with the supporting seat (8), and the supporting seat (8) is communicated with the fixed seat (3).

2. The semi-automatic needle cannula tip processing apparatus of claim 1, wherein: the upper end of back shaft (9) is equipped with the through-hole, just the downside of back shaft (9) is equipped with inlet (901), be equipped with first belt pulley (10) on back shaft (9).

3. The semi-automatic needle cannula tip processing apparatus of claim 2, wherein: be equipped with fixed plate (11) in fixing base (3), just fixed plate (11) through first spring (31) with fixing base (3) elastic connection, one side symmetry of fixed plate (11) is equipped with spliced pole (12), just the one end of spliced pole (12) is passed fixing base (3) and through connecting spring (13) with splint (6) elastic connection.

4. A semi-automatic needle cannula tip processing apparatus as claimed in claim 3, wherein: from last first fixed slot (14), second fixed slot (15) and third fixed slot (16) down being equipped with in proper order in fixing base (3), be equipped with connecting plate (17) in first fixed slot (14), just be equipped with two notch (1701) on connecting plate (17), one side of notch (1701) is equipped with the inclined plane, the one end of connecting plate (17) with fixed plate (11) fixed connection.

5. The semi-automatic needle cannula tip processing apparatus of claim 4, wherein: the improved impeller fixing structure is characterized in that a plurality of impellers (18) are arranged in the second fixing groove (15), a partition plate (19) is arranged in the middle of the second fixing groove (15), a first through hole (20) and a second through hole (21) are formed in the top of the second fixing groove (15), and an opening (22) used for communicating the third fixing groove is formed in one end of the second fixing groove (15).

6. The semi-automatic needle cannula tip processing apparatus of claim 5, wherein: a gear box (23) is arranged in the third fixing groove (16), an input shaft of the gear box (23) is fixedly connected with the impeller (18), a second belt pulley (28) is arranged on an output shaft of the gear box (23), and the gear box (23) is in transmission connection with the supporting shaft (9) through a belt (32).

7. The semi-automatic needle cannula tip processing apparatus of claim 6, wherein: one end of the fixed seat (3) is provided with a first ejector rod (24) and a second ejector rod (25), one end of the first ejector rod (24) penetrates through the fixed seat (3) and is inserted into the first through hole (20), one end of the second ejector rod (25) penetrates through the fixed seat (3) and is inserted into the second through hole (21), the first ejector rod (24) and the second ejector rod (25) are both elastically connected with the fixed seat (3) through a second spring (26), and pistons (33) are arranged at the upper ends of the first ejector rod (24) and the second ejector rod (25).

8. The semi-automatic needle cannula tip processing apparatus of claim 7, wherein: the top of fixing base (3) is equipped with feed liquor pipe (27), just feed liquor pipe (27) with first fixed slot (14) intercommunication.

9. The semi-automatic needle cannula tip processing apparatus of claim 8, wherein: the frame (1) is provided with a first limiting convex rib (29) and a second limiting convex rib (30), the position of the first limiting convex rib (29) is opposite to the first ejector rod (24), and the position of the second limiting convex rib (30) is opposite to the second limiting convex rib (30).