CN113941888B

CN113941888B - Alloy needle tube forming equipment

Info

Publication number: CN113941888B
Application number: CN202111219094.8A
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: 2021-10-20
Filing date: 2021-10-20
Publication date: 2023-10-17
Anticipated expiration: 2041-10-20
Also published as: CN113941888A

Abstract

The invention relates to the technical field of needle tube forming equipment and discloses alloy needle tube forming equipment, which comprises a rack, wherein a support frame is arranged on the rack, a cutting machine is arranged on the inner side of the support frame, and a first lifting cylinder for driving the cutting machine to lift is arranged at the upper end of the support frame; one side of the support frame is provided with a material carrying plate, a plurality of rolling shafts are arranged on the material carrying plate, and the rolling shafts are rotationally connected with the material carrying plate. According to the invention, the frame with the material carrying plate, the fixed frame and the first pressing plate is arranged, the first pressing plate is arranged on the fixed frame, the fixed frame can drive the first pressing plate to move, so that materials on the material carrying plate are compressed, in the process, the fixed frame can be linked with the first rack at the end part of the material carrying plate, and the rolling shaft on the material carrying plate is rotated under the drive of the first rack, so that the materials placed on the material carrying plate can be spread without manual spreading, and the material spreading machine is more convenient to use.

Description

Alloy needle tube forming equipment

Technical Field

The invention relates to the technical field of needle tube forming equipment, in particular to alloy needle tube forming equipment.

Background

In the production and processing process, the needle tube is from raw materials to finished products, and the needle tube can be molded after being processed for many times. The conventional alloy needle tube processing flow is as follows: welding a steel belt into a steel pipe rough blank through a welding machine, stretching the steel pipe rough blank through a stretcher to obtain a steel pipe fine blank, cutting the fine steel pipe after the steel pipe is stretched, thus obtaining a small section of material, and then finishing the small section of material to obtain the needle tube.

Because the steel pipe that processing needle tubing used is thinner, when cutting the steel pipe, generally all cut a plurality of steel pipes simultaneously, the material after the cutting is comparatively scattered, after the cutting is accomplished, for the convenience of follow-up processing, need to arrange the material that cuts well, then bond together it through the adhesive tape, then fix adhesive tape together with the material in polisher department, polish the tip to the tip of material through the polisher, can process the needle point.

In the prior art, the cutting equipment of needle tubing does not have the reason material function more, and during the material loading, generally by operating personnel snatch a material at will, then with the material simple tiling on the cutting bench, just cut the material through the cutting machine in succession, do so, on the one hand, the material is fixed infirm, and the cutting effect is relatively poor, on the other hand is unfavorable for the arrangement in later stage.

Disclosure of Invention

The invention provides alloy needle tube forming equipment which has the beneficial effects of good cutting effect and capability of rapidly finishing the material, and solves the problem that the existing cutting equipment in the background art cannot finish the material well.

The invention provides the following technical scheme: the alloy needle tube forming equipment comprises a rack, wherein a supporting frame is arranged on the rack, a cutting machine is arranged on the inner side of the supporting frame, and a first lifting cylinder for driving the cutting machine to lift is arranged at the upper end of the supporting frame;

a material carrying plate is arranged on one side of the supporting frame, a plurality of rolling shafts are arranged on the material carrying plate, the rolling shafts are in rotary connection with the material carrying plate, a first transmission gear is arranged at one end of each rolling shaft, the material carrying plate is in elastic connection with the frame through a supporting spring, first racks are symmetrically arranged at one end of the material carrying plate, the first racks are in sliding connection with the material carrying plate, triangular protrusions are arranged on the upper sides of the first racks, and the first racks are in elastic connection through tension springs;

the upper side of carrying the flitch is equipped with second lift cylinder and fixed frame, the one end of second lift cylinder with support frame fixed connection, just the piston rod of second lift cylinder with fixed frame fixed connection, the middle part of fixed frame is equipped with first clamp plate, first clamp plate with fixed frame sliding connection, just the both sides of first clamp plate all are equipped with spacing spring, the one end symmetry of fixed frame is equipped with the ejector pin, just the ejector pin through first spring with fixed frame elastic connection, the position and the quantity of ejector pin with triangle form arch one-to-one.

As an alternative to the alloy needle tube forming apparatus of the present invention, wherein: the support frame is kept away from one side of carrying the flitch is equipped with supporting mechanism, just supporting mechanism includes supporting seat and loading board, the supporting seat with frame sliding connection, the loading board is located the upside of supporting seat, just the loading board with supporting seat fixed connection, the upside of loading board is equipped with fixed subassembly.

As an alternative to the alloy needle tube forming apparatus of the present invention, wherein: the fixing assembly comprises a fixing frame, a second pressing plate and a pressing cylinder, the fixing frame is fixedly connected with the bearing plate, the second pressing plate is located on the inner side of the fixing frame, one end of the pressing cylinder is fixedly connected with the fixing frame, and a piston rod of the pressing cylinder penetrates through the fixing frame and is fixedly connected with the second pressing plate.

As an alternative to the alloy needle tube forming apparatus of the present invention, wherein: the bearing plate is also provided with a backup plate, and the backup plate is positioned on one side of the fixing frame far away from the supporting frame.

As an alternative to the alloy needle tube forming apparatus of the present invention, wherein: the lower side of first clamp plate is equipped with a plurality of briquetting, just the lower extreme of briquetting is equipped with the arc recess, the briquetting pass through the screw with first clamp plate can dismantle the connection.

As an alternative to the alloy needle tube forming apparatus of the present invention, wherein: one side of the fixed frame is provided with a material stirring mechanism, the material stirring mechanism comprises a limiting rod and a limiting plate, one end of the limiting rod penetrates through the fixed frame, the limiting rod is elastically connected with the fixed frame through a second spring, and the upper end of the limiting rod is provided with a limiting column; the limiting plate is fixedly connected with the first pressing plate, an inclined plane is arranged on one side of the limiting plate, and a limiting groove is formed in the upper side of the limiting plate.

As an alternative to the alloy needle tube forming apparatus of the present invention, wherein: the both sides of frame all are equipped with drive mechanism, just drive mechanism includes second rack, transmission shaft and movable rod, the one end of transmission shaft with the frame rotates to be connected, just the other end of transmission shaft is equipped with the cam, be equipped with second drive gear on the transmission shaft, the movable rod through the round pin axle with the frame rotates to be connected, just the one end of movable rod with the cam is contradicted, the other end of movable rod with carry the flitch is contradicted, the one end of second rack with fixed frame fixed connection, just second rack and second drive gear engagement.

As an alternative to the alloy needle tube forming apparatus of the present invention, wherein: the lower side of the material carrying plate is provided with a guide rod which is in sliding connection with the frame.

As an alternative to the alloy needle tube forming apparatus of the present invention, wherein: the upper end of the frame is provided with a notch, and the notch is positioned on one side of the frame, which is close to the material carrying plate.

The invention has the following beneficial effects:

1. this alloy needle tubing former, through the frame that sets up to have year flitch, fixed frame and first clamp plate, first clamp plate is installed on fixed frame, and fixed frame can drive first clamp plate motion to compress tightly the material on the year flitch, at this in-process, fixed frame still can produce the linkage with the first rack of year flitch tip, under the drive of first rack, the roller bearing on the year flitch rotates, can make like this place the material of carrying on the flitch and spread, need not manual shop material again, it is more convenient to use.

2. This alloy needle tubing former through setting up drive mechanism in the frame, drive mechanism includes second rack, transmission shaft and movable rod, second rack and fixed frame fixed connection, along with the motion of fixed frame, the second rack also can the downstream, under the drive of second rack, transmission shaft, second drive gear and cam rotate, the cam is contradicted with the movable rod, under the drive of cam, the one end perk of movable rod, thereby upward push year flitch motion, along with the rotation of cam, carry the flitch and return to normal position again, carry the flitch and can fluctuate at the in-process of fixed frame motion, and then produce the vibration, can effectively promote the material motion, improve the spreading effect.

3. This alloy needle tubing former, through setting up the stirring mechanism in fixed frame department, including gag lever post and limiting plate, be equipped with the spacing post on the gag lever post, the spacing post is contradicted with the limiting plate, along with the motion of fixed frame, the bottom of spacing post can be contradicted with the frame, under the promotion of frame, the resistance that the second spring provided is overcome to the gag lever post and upward movement, because first clamp plate is movable in fixed frame, under the promotion of spacing post, limiting plate and first clamp plate all move to fixed frame one side, along with the continued motion of spacing post, the spacing post can peg graft in spacing recess, spacing recess can just hold the spacing post, at this moment, the thrust is no longer applyed to the limiting plate to limiting plate and first clamp plate, when the briquetting of first clamp plate downside is fast with the material contact on the loading board, under the drive of stirring mechanism, first clamp plate and briquetting have a lateral movement, can be with the material of stack together, the effect of pushing away has been improved effectively.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of a carrier plate structure according to the present invention.

Fig. 3 is a schematic structural view of a fixing frame of the present invention.

Fig. 4 is an enlarged schematic view of the structure at B of the present invention.

Fig. 5 is a cross-sectional view of the present invention.

Fig. 6 is an enlarged schematic view of the structure at a in the present invention.

Fig. 7 is an enlarged schematic view of the structure at C of the present invention.

In the figure: 1. a frame; 101. a notch; 2. a support frame; 3. a cutting machine; 4. a first lifting cylinder; 5. a material carrying plate; 501. a roller; 502. a first transmission gear; 503. a support spring; 504. a first rack; 505. triangular protrusions; 6. a second lifting cylinder; 7. a fixed frame; 8. a first platen; 9. a limit spring; 10. a push rod; 11. a first spring; 12. a support base; 13. a carrying plate; 14. a fixing frame; 15. a second pressing plate; 16. a compacting cylinder; 17. a backup plate; 18. briquetting; 1801. an arc-shaped groove; 19. a limit rod; 1901. a limit column; 20. a second spring; 21. a limiting plate; 2101. a limit groove; 22. a second rack; 23. a transmission shaft; 24. a movable rod; 25. a cam; 26. a second transmission gear; 27. and a guide rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1 to 7, an alloy needle tube forming device comprises a frame 1, wherein a support frame 2 is arranged on the frame 1, a cutting machine 3 is arranged on the inner side of the support frame 2, and a first lifting cylinder 4 for driving the cutting machine 3 to lift is arranged at the upper end of the support frame 2;

a material carrying plate 5 is arranged on one side of the support frame 2, a plurality of rolling shafts 501 are arranged on the material carrying plate 5, the rolling shafts 501 are rotationally connected with the material carrying plate 5, a first transmission gear 502 is arranged at one end of each rolling shaft 501, the material carrying plate 5 is elastically connected with the frame 1 through a support spring 503, first racks 504 are symmetrically arranged at one end of the material carrying plate 5, the first racks 504 are slidably connected with the material carrying plate 5, triangular protrusions 505 are arranged on the upper sides of the first racks 504, and the first racks 504 are elastically connected through tension springs 28;

the upside of carrying plate 5 is equipped with second lift cylinder 6 and fixed frame 7, the one end and the support frame 2 fixed connection of second lift cylinder 6, and the piston rod and the fixed frame 7 fixed connection of second lift cylinder 6, the middle part of fixed frame 7 is equipped with first clamp plate 8, first clamp plate 8 and fixed frame 7 sliding connection, and the both sides of first clamp plate 8 all are equipped with spacing spring 9, the one end symmetry of fixed frame 7 is equipped with ejector pin 10, and ejector pin 10 passes through first spring 11 and fixed frame 7 elastic connection, the position and the quantity and the triangle protruding 505 one-to-one of ejector pin 10.

Through setting up frame 1 that has year flitch 5 and first clamp plate 8, be equipped with a plurality of roller bearing 501 on year flitch 5, roller bearing 501 rotates with year flitch 5 to be connected, be equipped with first drive gear 502 in the one end of roller bearing 501, be equipped with the first rack 504 that uses with first drive gear 502 cooperation in the one end of year flitch 5, be equipped with fixed frame 7 in the upside of year flitch 5, fixed frame 7 can go up and down, first clamp plate 8 just installs in fixed frame 7, when fixed frame 7 moves down, fixed frame 7 can drive ejector pin 10 together, and the lower extreme of ejector pin 10 can then contradict with the triangle protruding 505 on the first rack 504, under the drive of ejector pin 10 and triangle protruding 505, first rack 504 can horizontal migration, along with the motion of first rack 504, first drive gear 502 drives roller bearing 501 and rotates, the material of placing on the roller bearing 501 like this can be spread under the drive of roller bearing 501, finally under the drive of fixed frame 7, briquetting 18 of first clamp plate 8 downside can compress tightly the material of year flitch 5.

Specific working principle: when the cutter is used, a material is taken, then the material is placed on the material carrying plate 5, the second lifting cylinder 6 is started, the fixed frame 7 and the first pressing plate 8 move downwards under the drive of the second lifting cylinder 6, when the fixed frame 7 moves downwards, the fixed frame 7 moves together with the ejector rod 10, the bottom end of the ejector rod 10 is in contact with the inclined edge of the triangular protrusion 505, the triangular protrusion 505 and the first rack 504 move under the pushing of the ejector rod 10, the first transmission gear 502 can rotate with the roller 501 along with the movement of the first rack 504, so that the material placed on the material carrying plate 5 is spread, then the fixed frame 7 moves continuously, the pressing block 18 compresses the material under the drive of the fixed frame 7, then the first lifting cylinder 4 is started, and the cutter 3 moves downwards under the drive of the first lifting cylinder 4, so that the material on the material carrying plate 5 is cut off.

Example 2

Referring to fig. 1 and 4, in this embodiment, a supporting mechanism is disposed on a side of the supporting frame 2 away from the loading plate 5, and the supporting mechanism includes a supporting seat 12 and a supporting plate 13, the supporting seat 12 is slidably connected with the frame 1, the supporting plate 13 is disposed on an upper side of the supporting seat 12, the supporting plate 13 is fixedly connected with the supporting seat 12, and a fixing component is disposed on an upper side of the supporting plate 13.

The fixed subassembly includes mount 14, second clamp plate 15 and compresses tightly cylinder 16, and mount 14 and loading board 13 fixed connection, second clamp plate 15 are located the inboard of mount 14, compress tightly the one end and the mount 14 fixed connection of cylinder 16, and compress tightly the piston rod of cylinder 16 and pass mount 14 and with second clamp plate 15 fixed connection. The bearing plate 13 is also provided with a backup plate 17, and the backup plate 17 is positioned on one side of the fixed frame 14 far away from the support frame 2.

Still be equipped with supporting mechanism on frame 1, supporting mechanism mainly plays an auxiliary stay's effect to the material, improve its stability when cutting, supporting mechanism includes supporting seat 12 and loading board 13, supporting seat 12 is slidable, be equipped with fixed subassembly on the loading board 13, during the use, remove supporting seat 12, make loading board 13 to loading board 5 direction motion, then place the material on loading board 5, promote the material afterwards, make its one end and backup plate 17 conflict, backup plate 17 can restrict the position of material, then second lift cylinder 6 work, press the material through briquetting 18 of first clamp plate 8 downside, then start compressing tightly cylinder 16, compressing tightly cylinder 16 drives the tip of second clamp plate 15 with the material and compress tightly, finally cut the material through cutting machine 3 can.

Example 3

Referring to fig. 3 and 5, in this embodiment, in a further improvement of embodiment 1, a plurality of pressing blocks 18 are disposed on the lower side of the first pressing plate 8, and an arc-shaped groove 1801 is disposed at the lower end of the pressing block 18, and the pressing block 18 is detachably connected with the first pressing plate 8 through a screw. The briquetting 18 is detachable structure, is removable, is equipped with arc recess 1801 in briquetting 18 downside, and arc recess 1801 agrees with the work piece, and is fixed more firm.

Example 4

Referring to fig. 3 and 5, in this embodiment, in a further improvement of embodiment 1, a material stirring mechanism is disposed on one side of the fixed frame 7, the material stirring mechanism includes a limiting rod 19 and a limiting plate 21, one end of the limiting rod 19 penetrates through the fixed frame 7, the limiting rod 19 is elastically connected with the fixed frame 7 through a second spring 20, and a limiting column 1901 is disposed at the upper end of the limiting rod 19; the limiting plate 21 is fixedly connected with the first pressing plate 8, one side of the limiting plate 21 is provided with an inclined plane, and the upper side of the limiting plate 21 is provided with a limiting groove 2101.

In order to improve the laying effect of materials, this technical scheme has set up the stirring mechanism in fixed frame 7 department, including gag lever post 19 and limiting plate 21, be equipped with spacing post 1901 on the gag lever post 19, spacing post 1901 is contradicted with limiting plate 21, along with the motion of fixed frame 7, gag lever post 19 can be contradicted with frame 1, under the promotion of frame 1, the resistance that second spring 20 provided is overcome to gag lever post 19 and upward movement, because first clamp plate 8 is movable in fixed frame 7, under the promotion of spacing post 1901, limiting plate 21 and first clamp plate 8 all move to fixed frame 7 one side, along with the continued motion of spacing post 1901, spacing post 1 can peg graft in spacing recess 2101, spacing post 1901 can just hold spacing post 1901, at this moment, limiting plate 21 and first clamp plate 8 return to the normal position, when the briquetting 18 of first clamp plate 8 downside is fast with the material contact on the loading plate 5, under the drive of stirring mechanism, first clamp plate 8 and briquetting 18 move a lateral movement can be pushed away the material that will be stacked together, effectively laid together.

Example 5

Referring to fig. 5 and 6, in this embodiment, in a further improvement of embodiment 1, two sides of the frame 1 are provided with a driving mechanism, the driving mechanism includes a second rack 22, a driving shaft 23 and a movable rod 24, one end of the driving shaft 23 is rotationally connected with the frame 1, the other end of the driving shaft 23 is provided with a cam 25, the driving shaft 23 is provided with a second driving gear 26, the movable rod 24 is rotationally connected with the frame 1 through a pin shaft, one end of the movable rod 24 is in contact with the cam 25, the other end of the movable rod 24 is in contact with the material carrying plate 5, one end of the second rack 22 is fixedly connected with the fixed frame 7, and the second rack 22 is meshed with the second driving gear 26.

In order to enable materials to be distributed more uniformly, a transmission mechanism is arranged on a rack, the transmission mechanism comprises a second rack 22, a transmission shaft 23 and a movable rod 24, the transmission shaft 23 and the movable rod 24 are rotationally connected with the rack 1, one end of the movable rod 24 is abutted against a material carrying plate 5, the material carrying plate 5 is elastically connected with the rack 1 through a supporting spring 503 and can move, the second rack 22 is fixedly connected with a fixed frame 7, the second rack 22 moves downwards along with the movement of the fixed frame 7, the transmission shaft 23, a second transmission gear 26 and a cam 25 rotate under the driving of the second rack 22, the cam 25 is abutted against the movable rod 24, one end of the movable rod 24 is tilted up so as to push the material carrying plate 5 upwards, and the material carrying plate 5 moves along with the rotation of the cam 25 and returns to the original position, on one hand, the material carrying plate 5 can fluctuate up and down in the process of the movement of the fixed frame 7, vibration is generated, and the material spreading effect can be effectively promoted;

on the other hand, when the material carrying plate 5 moves upwards, the triangular protrusions 505 also move upwards, under the drive of the material carrying plate 5, the gaps between the triangular protrusions 505 and the ejector rods 10 are quickly reduced, the triangular protrusions 505 can quickly move outwards with the first racks 504, when the material carrying plate 5 returns to the original position, the first racks 504 and the triangular protrusions 505 also return under the action of the tension springs 28, so that the first racks 504 and the triangular protrusions 505 can drive the rollers 501 to rotate back and forth along with the movement of the fixed frame 7, and the spreading effect is better.

Example 6

Referring to fig. 1 and 2, this embodiment is a further improvement of embodiment 1, in which a guide rod 27 is disposed on the lower side of the loading plate 5, and the guide rod 27 is slidably connected to the frame 1. The upper end of the frame 1 is provided with a notch 101, and the notch 101 is positioned on one side of the frame 1 close to the loading plate 5. One end of the guide rod 27 is fixedly connected with the material carrying plate 5, the other end of the guide rod 27 is in sliding connection with the frame 1, the material carrying plate 5 can be more stable in up-and-down motion due to the guide rod 27, and when the cutting machine 3 is used for cutting, cut scraps can fall into the notch 101, so that the collection is more convenient.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims

1. Alloy needle tubing former, including frame (1), its characterized in that: the cutting machine is characterized in that a support frame (2) is arranged on the frame (1), a cutting machine (3) is arranged on the inner side of the support frame (2), and a first lifting cylinder (4) for driving the cutting machine (3) to lift is arranged at the upper end of the support frame (2);

one side of the support frame (2) is provided with a material carrying plate (5), a plurality of rolling shafts (501) are arranged on the material carrying plate (5), the rolling shafts (501) are rotationally connected with the material carrying plate (5), one end of each rolling shaft (501) is provided with a first transmission gear (502), the material carrying plate (5) is elastically connected with the frame (1) through a support spring (503), one end of the material carrying plate (5) is symmetrically provided with a first rack (504), the first rack (504) is slidably connected with the material carrying plate (5), triangular protrusions (505) are arranged on the upper sides of the first racks (504), and the first racks (504) are elastically connected through tension springs (28);

the upper side of the material carrying plate (5) is provided with a second lifting cylinder (6) and a fixed frame (7), one end of the second lifting cylinder (6) is fixedly connected with the supporting frame (2), a piston rod of the second lifting cylinder (6) is fixedly connected with the fixed frame (7), a first pressing plate (8) is arranged in the middle of the fixed frame (7), the first pressing plate (8) is in sliding connection with the fixed frame (7), two sides of the first pressing plate (8) are respectively provided with a limiting spring (9), ejector rods (10) are symmetrically arranged at one end of the fixed frame (7), the ejector rods (10) are elastically connected with the fixed frame (7) through first springs (11), and the positions and the numbers of the ejector rods (10) are in one-to-one correspondence with the triangular protrusions (505);

one side of the fixed frame (7) is provided with a stirring mechanism, the stirring mechanism comprises a limiting rod (19) and a limiting plate (21), one end of the limiting rod (19) penetrates through the fixed frame (7), the limiting rod (19) is elastically connected with the fixed frame (7) through a second spring (20), and a limiting column (1901) is arranged at the upper end of the limiting rod (19); the limiting plate (21) is fixedly connected with the first pressing plate (8), one side of the limiting plate (21) is provided with an inclined plane, and the upper side of the limiting plate (21) is provided with a limiting groove (2101);

both sides of frame (1) all are equipped with drive mechanism, just drive mechanism includes second rack (22), transmission shaft (23) and movable rod (24), the one end of transmission shaft (23) with frame (1) rotates to be connected, just the other end of transmission shaft (23) is equipped with cam (25), be equipped with second drive gear (26) on transmission shaft (23), movable rod (24) through the round pin axle with frame (1) rotates to be connected, just the one end of movable rod (24) with cam (25) conflict, the other end of movable rod (24) with carry flitch (5) conflict, the one end of second rack (22) with fixed frame (7) fixed connection, just second rack (22) and second drive gear (26) meshing.

2. An alloy needle cannula shaping apparatus as set forth in claim 1, wherein: one side of support frame (2) keep away from year flitch (5) is equipped with supporting mechanism, just supporting mechanism includes supporting seat (12) and loading board (13), supporting seat (12) with frame (1) sliding connection, loading board (13) are located the upside of supporting seat (12), just loading board (13) with supporting seat (12) fixed connection, the upside of loading board (13) is equipped with fixed subassembly.

3. An alloy needle cannula forming apparatus as claimed in claim 2, wherein: the fixing assembly comprises a fixing frame (14), a second pressing plate (15) and a pressing air cylinder (16), wherein the fixing frame (14) is fixedly connected with the bearing plate (13), the second pressing plate (15) is located on the inner side of the fixing frame (14), one end of the pressing air cylinder (16) is fixedly connected with the fixing frame (14), and a piston rod of the pressing air cylinder (16) penetrates through the fixing frame (14) and is fixedly connected with the second pressing plate (15).

4. An alloy needle cannula forming apparatus as claimed in claim 3, wherein: the bearing plate (13) is also provided with a backup plate (17), and the backup plate (17) is positioned at one side of the fixing frame (14) far away from the supporting frame (2).

5. An alloy needle cannula shaping apparatus as set forth in claim 1, wherein: the lower side of first clamp plate (8) is equipped with a plurality of briquetting (18), just the lower extreme of briquetting (18) is equipped with arc recess (1801), briquetting (18) pass through the screw with first clamp plate (8) can dismantle and be connected.

6. An alloy needle cannula shaping apparatus as set forth in claim 1, wherein: the lower side of the material carrying plate (5) is provided with a guide rod (27), and the guide rod (27) is in sliding connection with the frame (1).

7. An alloy needle cannula shaping apparatus as set forth in claim 1, wherein: the upper end of the frame (1) is provided with a notch (101), and the notch (101) is positioned on one side of the frame (1) close to the material carrying plate (5).