阅读说明：本技术 一种干血斑片冲孔机构组件 (Dry blood spot piece punching mechanism subassembly ) 是由 陈克彦 庞国平 吕艳艳 高炳攀 陈清林 于 2021-09-10 设计创作，主要内容包括：本发明公开一种干血斑片冲孔机构组件,包括支撑架、自动冲孔装置、激光定位装置、落料装置和顶出装置,自动冲孔装置包括冲头和冲孔台,冲孔台开设干血斑孔,所述冲头设置在干血斑孔上方,冲头上相对干血斑孔竖直移动,冲孔台供干血斑纸放置；激光定位装置设置在冲头上,并对准干血斑孔；落料装置设置在干血斑孔处；顶出装置包括T型顶杆、复位弹簧和固定块；冲头的中心开设T型顶出孔,所述T型顶杆的顶部配合在T型顶出孔中,T型顶杆的底部凸出T型顶出孔外,所述复位弹簧的一端抵接T型顶杆,所述复位弹簧的另一端抵接所述固定块,固定块固定在中空通道内。本案集成度高,提高冲孔准确度,为用户提供精确、安全、高效、便捷的冲孔全套操作。(The invention discloses a dried blood spot sheet punching mechanism assembly which comprises a supporting frame, an automatic punching device, a laser positioning device, a blanking device and an ejection device, wherein the automatic punching device comprises a punch and a punching table, the punching table is provided with a dried blood spot hole, the punch is arranged above the dried blood spot hole, the punch vertically moves relative to the dried blood spot hole, and the punching table is used for placing dried blood spot paper; the laser positioning device is arranged on the punch and is aligned to the dry blood spot hole; the blanking device is arranged at the dry blood spot; the ejection device comprises a T-shaped ejector rod, a return spring and a fixed block; a T-shaped ejection hole is formed in the center of the punch, the top of the T-shaped ejector rod is matched with the T-shaped ejection hole, the bottom of the T-shaped ejector rod protrudes out of the T-shaped ejection hole, one end of the reset spring is abutted to the T-shaped ejector rod, the other end of the reset spring is abutted to the fixed block, and the fixed block is fixed in the hollow channel. The present case integrated level is high, improves the degree of accuracy of punching a hole, provides accurate, safe, high-efficient, convenient complete set of operation of punching a hole for the user.)

1. A dried blood spot piece punching mechanism subassembly which characterized in that includes:

the support frame is provided with an operation boss and a vertical moving mechanism, and a cabin is arranged inside the operation boss;

the automatic punching device comprises a punch and a punching table, wherein the punching table is arranged on the operation boss, the punching table is provided with a dried blood spot hole, the punch is arranged above the dried blood spot hole, the punch is connected with a vertical moving mechanism to vertically move relative to the dried blood spot hole, and the punching table is used for placing dried blood spot paper;

a laser positioning device; the device is arranged on the punch and is aligned with the dry blood spot hole;

the blanking device is arranged at the dry blood spot;

the ejection device comprises a T-shaped ejector rod, a return spring and a fixed block; the center of drift is seted up T type ejector pin, the top cooperation of T type ejector pin is in T type ejector pin, and outside the bottom protrusion T type ejector pin of T type ejector pin hole, reset spring's one end butt T type ejector pin, reset spring's the other end butt the fixed block, the fixed block is fixed in the cavity passageway.

2. The dried plaque punching mechanism assembly of claim 1 wherein: the automatic punching device further comprises a sliding sleeve, a punching head seat and a mounting column, the punching head seat is fixed on the side wall of the support frame, the punching head seat is provided with an upper boss and a lower boss, the upper boss and the lower boss are respectively provided with an upper tooling through hole and a lower tooling through hole, the upper tooling through hole and the lower tooling through hole are on the same longitudinal axis, the sliding sleeve is fixed by the upper tooling through hole, the mounting column is vertically installed in the sliding sleeve in a sliding mode, the mounting column is provided with a hollow channel, the bottom of the hollow channel is provided with the punching head, the lower boss is embedded in the operating boss, and the lower tooling through hole supplies for installation of the punching platform.

3. The dried plaque punching mechanism assembly of claim 2 wherein: the bottom of the mounting column is provided with a locking nut, the mounting column is provided with an external thread, the locking nut is provided with an internal thread, the punch is provided with an external flange, the locking nut is provided with an internal flange, the locking nut is sleeved on the punch in a penetrating manner, the internal flange abuts against the lower side of the external flange, and the external thread is matched with the internal thread, so that the locking nut enables the punch to be detachably mounted at the bottom of the mounting column.

4. The dried plaque punching mechanism assembly of claim 2 wherein: the laser positioning device comprises a laser emitter and a laser mounting seat, the laser mounting seat is fixed on the upper portion of the mounting column and is positioned on the same axis with the hollow channel and the dry blood spot hole, the laser emitter is arranged in the laser mounting seat and emits laser beams, and the laser beams irradiate the dry blood spot hole.

5. The dried plaque punch mechanism assembly of claim 4 wherein: the upper portion of the laser mounting seat is provided with a connecting plate, a vertical moving mechanism is arranged in the supporting frame and connected with the laser mounting seat through the connecting plate, and the laser mounting seat drives the punch to vertically move.

6. The dried plaque punching mechanism assembly of claim 2 wherein: the blanking device comprises an air pump and an air faucet, an annular groove is formed in the periphery of the punching table, the punching table and the lower tool through hole are assembled, the annular groove and the lower tool through hole form an annular air cavity, a plurality of air holes leading to the dry blood spot hole are formed in the annular air cavity along the circumferential interval, a horizontal air passage is formed in the lower boss, the horizontal air passage is communicated with the annular air cavity, the horizontal air passage is connected with the air faucet, and the air pump is connected with the air faucet.

7. The dried plaque punch mechanism assembly of claim 6 wherein: the air holes are designed to be obliquely downward.

Technical Field

The invention belongs to the technical field of experimental instruments, and particularly relates to a dried blood spot punching mechanism assembly.

Background

Most of punching instruments are provided with columnar objects (hereinafter referred to as punches), the action of punching dry blood spot paper on dry blood spot holes by the punches to obtain dry blood spot sheets is called punching, dry blood spots falling after punching can be used as experimental samples to carry out next experiment, and the mechanical punching replaces the traditional manual punching, so that the mechanical punching is widely popularized and applied. The existing whole machine punching instrument only has the basic punching functions of punching sampling, material moving and material returning and has a plurality of parts to be improved, so the creators take rich design development and actual manufacturing experience of the related industries for many years, and research and improvement are carried out on the existing punching instrument so as to achieve the purpose of better excellent value.

Disclosure of Invention

The invention aims to provide a dried blood spot sheet punching mechanism assembly which is high in integration level, reduces manual operation and improves punching accuracy.

In order to achieve the above purpose, the solution of the invention is: a dried plaque piece punch mechanism assembly comprising:

the support frame is provided with an operation boss and a vertical moving mechanism, and a cabin is arranged inside the operation boss;

the automatic punching device comprises a punch and a punching table, wherein the punching table is arranged on the operation boss, the punching table is provided with a dried blood spot hole, the punch is arranged above the dried blood spot hole, the punch is connected with a vertical moving mechanism to vertically move relative to the dried blood spot hole, and the punching table is used for placing dried blood spot paper;

a laser positioning device; the device is arranged on the punch and is aligned with the dry blood spot hole;

the blanking device is arranged at the dry blood spot;

the ejection device comprises a T-shaped ejector rod, a return spring and a fixed block; the center of drift is seted up T type ejector pin, the top cooperation of T type ejector pin is in T type ejector pin, and outside the bottom protrusion T type ejector pin of T type ejector pin hole, reset spring's one end butt T type ejector pin, reset spring's the other end butt the fixed block, the fixed block is fixed in the cavity passageway.

Further, automatic punching device still includes sliding sleeve, punch holder, erection column, punch holder fixes on the support frame lateral wall, punch holder is equipped with boss and lower boss, goes up the boss and sets up frock through-hole and lower frock through-hole respectively with lower boss, goes up frock through-hole and lower frock through-hole on same axis of ordinates, goes up the fixed sliding sleeve of frock through-hole, vertical slidable mounting in the sliding sleeve the erection column, the erection column is equipped with the cavity passageway, and cavity passageway bottom installation drift, lower boss inlays to be put on the operation boss, the frock through-hole supplies down the platform installation of punching a hole.

Furthermore, a lock nut is arranged at the bottom of the mounting column, an external thread is arranged on the mounting column, an internal thread is arranged on the lock nut, an external flange is arranged on the punch, an internal flange is arranged on the lock nut, the lock nut is sleeved on the punch in a penetrating mode, the internal flange abuts against the lower side of the external flange, and the external thread is matched with the internal thread, so that the lock nut enables the punch to be detachably mounted at the bottom of the mounting column.

Further, the laser positioning device comprises a laser emitter and a laser mounting seat, the laser mounting seat is fixed on the upper portion of the mounting column and is located on the same axis with the hollow channel and the dried blood spot hole, the laser emitter is arranged in the laser mounting seat and emits laser beams, and the laser beams irradiate the dried blood spot hole.

Furthermore, a connecting plate is arranged on the upper portion of the laser mounting seat, a vertical moving mechanism is arranged inside the supporting frame, the vertical moving mechanism is connected with the laser mounting seat through the connecting plate, and the punch is driven to vertically move through the laser mounting seat.

Further, doffer includes air pump and air cock, the periphery of the platform of punching a hole inwards forms annular groove, and the platform of punching a hole and lower frock through-hole assembly back, annular groove and lower frock through-hole form annular air cavity, a plurality of gas pockets that lead to dry blood spot hole are seted up along the circumference interval to annular air cavity, horizontal air flue is seted up to the boss down, and horizontal air flue intercommunication annular air cavity, horizontal air flue is external air cock, air cock connection air pump.

Further, the air hole is designed to be inclined downwards.

After the scheme is adopted, the invention has the beneficial effects that: the invention relates to a high-integration high-automation punching instrument, which is particularly designed with a plurality of mechanisms for improving the punching success rate, wherein an ejection device is used for helping a punch to impact a dried blood spot sheet in the punching process so as to improve the punching success rate, and a blanking device is used for blanking the punch in a dried blood spot hole finally, so that the blanking device can help to strip materials in different stages of the punching process and final blanking, the obtained punching effect is not the same as that of a common punching instrument, the acquisition efficiency is greatly improved, in addition, a laser positioning device and an automatic punching device are designed to be matched with each other, the man-machine joint operation is promoted, and the accurate, safe, efficient and convenient punching complete set operation is provided for a user.

Drawings

FIG. 1 is a schematic view showing the overall external structure of a punching apparatus according to the present invention;

FIG. 2 is a schematic structural view of a hidden operation boss of the punching instrument of the present invention;

FIG. 3 is a schematic view of the overall internal structure of the punching apparatus of the present invention;

FIG. 4 is an exploded view of the automatic hole punch apparatus of the present invention;

FIG. 5 is an assembled schematic view of an automated punch apparatus of the present invention;

FIG. 6 is a schematic half-sectional view of an automatic punch apparatus of the present invention;

FIG. 7 is a schematic view of the whole structure of a punching apparatus according to the present invention in half section;

FIG. 8 is an enlarged view taken at A in FIG. 7;

FIG. 9 is a schematic view of the overall internal structure of the punching apparatus of the present invention;

FIG. 10 is a schematic view of the punching station of the present invention;

FIG. 11 is a schematic structural diagram of an image real-time monitoring device according to the present invention;

FIG. 12 is a schematic front view of an image real-time monitoring device according to the present invention;

FIG. 13 is a schematic view of a stacking gun according to the present invention;

FIG. 14 is a schematic structural view of a capsule entry and exit device of the punch apparatus of the present invention;

FIG. 15 is a schematic view of the punch of the present invention aligned with the blood spot area.

Description of reference numerals:

the automatic punching device 2, the punch 21, the T-shaped ejection hole 211, the punching table 22, the dry blood spot hole 221, the annular air cavity 222, the air hole 223, the sliding sleeve 23, the punch holder 24, the upper boss 241, the lower boss 242, the upper tooling through hole 243, the lower tooling through hole 244, the ion vent hole 245, the horizontal air duct 246, the mounting post 25, the hollow channel 26, the locking nut 27, the O-ring 28, the static eliminating device 3, the ion generator 31, the ion outlet 311, the fixing plate 32, the ion wind channel 321, the collector 4, the XY axis moving mechanism 41, the laser positioning device 5, the laser emitter 51, the laser mounting seat 52, the connecting plate 53, the vertical moving mechanism 54, the blanking device 6, the air nozzle 61, the information acquisition device 7, the real-time image monitoring device 8, the camera 81, the display 82, the fixing clamp 83, the reflecting mirror 84, the laser positioning device 52, the laser positioning device 53, the vertical moving mechanism 54, the blanking device 6, the air nozzle 61, the information acquisition device 7, the real-time image monitoring device 8, the camera 81, the display 82, the fixing clamp 83, the automatic punching device 2, the automatic punching device, The device comprises a cabin entering and exiting device 9, a hinge 91, a hinge shaft 92, an extension spring 93, an ejection device 10, a T-shaped ejector rod 101, a return spring 102, a fixed block 103 and dry blood spot paper 20.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings and specific embodiments.

The invention provides a dried blood spot sheet punching mechanism assembly which comprises a support frame 1, an automatic punching device 2, a laser positioning device 5, a blanking device 6 and an ejection device 10. The invention is installed on a punching instrument, as shown in figure 1, the punching instrument comprises a dry blood spot sheet punching mechanism component, a static removing device 3, a collector 4, an information acquisition device 7, an image real-time monitoring device 8, an in-out cabin device 9 and a master controller (not shown in the figure).

As shown in figure 1, a support frame 1 is taken as a basic frame of the invention, a working boss 11 and a vertical moving mechanism 54 are arranged on the support frame 1, as shown in figure 2, a cabin 12 is arranged inside the working boss 11, a collector 4 is arranged in the cabin 12, the collector 4 is used for collecting dried blood spot sheets after final stamping, and an automatic punching device 2 is arranged above the collector 4.

As shown in fig. 3 to 6, the automatic punching device 2 includes a punch 21, a punching platform 22, a sliding sleeve 23, a punch seat 24, and a mounting post 25, the punch seat 24 is fixed on the side wall of the support frame 1, the punch seat 24 is provided with an upper boss 241 and a lower boss 242, the upper boss 241 and the lower boss 242 are respectively provided with an upper tooling through hole 243 and a lower tooling through hole 244, the upper tooling through hole 243 and the lower tooling through hole 244 are on the same vertical axis, the sliding sleeve 23 is fixed by the upper tooling through hole 243, the sliding sleeve 23 is of a hollow annular structure, the mounting post 25 is vertically slidably mounted in the sliding sleeve 23, the mounting post 25 is provided with a hollow channel 26, the punch 21 is mounted at the bottom of the hollow channel 26, the lower boss 242 is embedded on the working platform 11, the lower tooling through hole 244 is provided for mounting the punching platform 22, that is, the punching platform 22 is embedded on the working platform 11, so that the end surface of the working platform 11 can be relatively flat, the dried blood spot paper 20 is conveniently placed on the punching table 22, the punching table 22 is provided with a dried blood spot hole 221, the punch 21 is arranged above the dried blood spot hole 221, and the punch 21 is connected with the vertical moving mechanism 54 to vertically move relative to the dried blood spot hole 221.

The punch 21 is provided with an ejection device 10, and the ejection device 10 comprises a T-shaped ejector rod 101, a return spring 102 and a fixed block 103; the center of the punch 21 is provided with a T-shaped ejection hole 211, the top of the T-shaped ejector rod 101 is matched in the T-shaped ejection hole 211, the bottom of the T-shaped ejector rod 101 protrudes out of the T-shaped ejection hole 211, so that the bottom of the T-shaped ejector rod 101 contacts the dried blood spot paper 20 earlier than the punch 21 during operation, furthermore, one end of the return spring 102 is abutted against the T-shaped ejector rod 101, the other end of the return spring 102 is abutted against the fixed block 103, and the fixed block 103 is fixed in the hollow channel 26, therefore, the T-shaped ejector rod 101 is contracted after abutting against the dried blood spot paper 20, as the punch 21 continues to move downwards, the punch 21 starts to contact and punch the dried blood spot paper 20, the dried blood sheet can be separated from the dried blood spot paper 20 through the bisection of the punch 21 and the dried blood spot hole 221, at the moment, the always compressed T-shaped ejector rod 101 has no supporting force, so that the T-shaped ejector rod 101 can be instantly ejected out of the T-shaped ejection hole 211, and the instant impact force is helpful for separating the dried blood spot sheet from the punch 21, and thus falls into the collector 4, which is the design principle of the ejector 10.

The bottom of the mounting column 25 is provided with a locking nut 27, the locking nut 27 is used for locking the punch 21, so that the punch 21 can be conveniently disassembled and assembled, specifically, the top of the punch 21 is inserted into the hollow channel 26, the punch 21 is provided with an outer flange, the upper edge of the outer flange abuts against the periphery of the hollow channel 26, the mounting column 25 is provided with an external thread, the locking nut 27 is provided with an internal thread, the locking nut 27 is provided with an inner flange, the locking nut 27 is sleeved on the punch 21 in a penetrating manner, the inner flange abuts against the lower edge of the outer flange, and the external thread is matched with the internal thread, so that the punch 21 is disassembled and installed at the bottom of the mounting column 25 by the locking nut 27, and the punch 21 can be disassembled and replaced at any time only by unscrewing the locking nut 27.

In order to limit the mounting post 25 and the punch 21 from moving upwards and falling out of the sliding sleeve 23, a limiting O-ring 28 is sleeved on the outer surface of the mounting post 25, and the limiting O-ring 28 is positioned below the upper tool through hole 243.

As shown in fig. 7 and 8, the punch 21 of the present invention is provided with a laser positioning device 5, the laser positioning device 5 includes a laser emitter 51 and a laser mounting seat 52, the laser mounting seat 52 is fixed on the upper portion of the mounting column 25 and is located on the same axis with the hollow channel 26 and the dried blood spot hole 221, the upper portion of the laser mounting seat 52 is provided with a connecting plate 53, the support frame 1 is internally provided with a vertical moving mechanism 54, the vertical moving mechanism 54 is connected with the laser mounting seat 52 through the connecting plate 53, and the laser mounting seat 52 drives the punch 21 to vertically move, that is, the mechanism of the punch 21 to vertically move.

The laser emitter 51 (specifically, a laser pen) is arranged in the laser mounting seat 52, the laser emitter 51 emits a laser beam, and the laser beam irradiates the dry blood spot hole 221 through the hollow channel 26.

In order to prevent the ejection device 10 from blocking the laser beam to irradiate the dry blood spot hole 221, the T-shaped ejector rod 101 and the fixed block 103 are specially designed to be hollow structures, and the return spring 102 is hollow, so that the laser beam can irradiate the dry blood spot hole 221 through the fixed block 103, the return spring 102 and the T-shaped ejector rod 101, the laser emitter 51 is always in a normally bright state, an experimenter can make the blood spot of the dry blood spot paper 20 be in the position of the laser beam through visual judgment, namely the position to be punched, and the laser positioning device 5 improves the accuracy of punching.

As shown in fig. 9, the static eliminator 3 of the present invention is disposed on one side of the punch 21, the static eliminator 3 includes an ion generator 31 and a fixing plate 32, the fixing plate 32 and the ion generator 31 are vertically fixed inside the supporting frame 1, the supporting frame 1 is provided with a recess 14 at a position corresponding to the fixing plate 32, the punch seat 24 is embedded in the recess 14 and is mounted on the fixing plate 32, the punch seat 24 is provided with an ion vent 245, the ion generator 31 is located on the back of the fixing plate 32, the fixing plate 32 is provided with an ion wind channel 321, the ion wind outlet 311 of the ion generator 31 blows toward the punch 21 and the punching table 22 through the ion wind channel 321 and the ion vent 245, the ion generator 31 performs corona discharge to excite ambient air into charged ions, and impacts the charged punch 21 to achieve a balanced state through the positive and negative charges, thereby eliminating static electricity, thereby effectively solving the adhesion phenomenon of blood slices caused by the static problem and improving the success rate of punching.

In addition to the above-mentioned ejection device 10 and the static electricity removing device 3, which can separate the dried blood spot from the punch 21, the present invention further designs a blanking device 6, wherein the blanking device 6 is disposed at the dried blood spot hole 221, with reference to fig. 6 and 11, the blanking device 6 includes an air pump (not shown) and an air nozzle 61, the outer periphery of the punching table 22 is recessed to form an annular groove, after the punching table 22 and the lower tooling through hole 244 are assembled, the annular groove and the lower tooling through hole 244 form an annular air cavity 222, the annular air cavity 222 is circumferentially provided with a plurality of air holes 223 leading to the dried blood spot hole 221 at intervals, the lower boss 242 is provided with a horizontal air passage 246, the horizontal air passage 246 is communicated with the annular air cavity 222, the horizontal air passage 246 is externally connected with the air nozzle 61, and the air nozzle 61 is connected with the air pump. When the punch 21 is punched into the dry blood spot hole 221 and is located at the lowest position, the air pump pumps compressed air, and strong wind power of the compressed air is blown to the bottom of the punch 21 through the air hole 223 to blow off the dry blood spot sheet. In addition, the air hole 223 is designed to be inclined downward so that the compressed air is blown obliquely toward the punch 21, and the adhered portion is more easily separated by the oblique wind direction than by the horizontal wind direction.

The master controller of the punching instrument is connected with the automatic punching device 2, the static removing device 3, the XY axis moving mechanism 41, the laser positioning device 5, the blanking device 6, the information acquisition device 7 and the image real-time monitoring device 8, and the master controller controls the whole punching instrument to work.

With reference to fig. 11 and 12, the real-time image monitoring device 8 of the present invention includes a camera 81, a display 82, a fixing clip 83 and a reflector 84, wherein the camera 81 is disposed in the cabin 12 and above the collector 4, the fixing clip 83 clamps and fixes the camera 81 on the side wall of the support frame 1, the camera 81 is connected with the display 82, and the display 82 is disposed on the support frame 1 outside the cabin 12; collector 4 adopts transparent material to make, 4 bottoms of collector are equipped with luminous backplate, the light source and the blood spot of luminous backplate form obvious contrast, can present the blood spot clearly effectively under camera 81, through total controller to camera 81 image analysis processing, can accurate quick analysis, the experimenter can pass through the condition of punching a hole of the inside collector 4 in display 82 real-time supervision cabin 12, judge whether dry blood spot piece falls into the target vacancy, guarantee that the experimenter can follow the display screen and accurately look over the operation result of every time in real time, ensure the reliability of punching a hole. Wherein, camera 81 is a cylindric miniature image collector, camera 81 level sets up, and the camera 81 front end sets up speculum 84, speculum 84 are 45 slope settings, utilize the reflection of light principle with the condition of punching a hole of collector 4 through speculum 84 reflection to camera 81 on, the benefit of design like this has saved camera 81 occupation space on vertical direction for cabin 12 inner structure is compacter.

As shown in fig. 13, the information collecting device 7 of the present invention is disposed on the supporting frame 1 above the punching platform 22 for collecting and recording the information of the dried blood spot paper 20, the dried blood spot paper 20 is generally divided into a blood spot area and an information card area, and the information card area is generally a two-dimensional code, so that the information collecting device 7 can adopt a code scanning gun embedded at the bottom of the display 82.

The collector 4 is arranged in the chamber 12 below the dried blood spot hole 221, as shown in fig. 11, the bottom of the collector 4 is provided with an XY axis moving mechanism 41, and the front, back, left and right positions of the collector 4 are moved by the XY axis moving mechanism 41.

As shown in fig. 14, the chamber 12 is provided with a chamber door 13 on the sidewall of the support frame 1 on one side of the collector 4, and the present invention is designed with a chamber door device 9 for automatically opening and closing the chamber door 13. The cabin entering and exiting device 9 comprises an XY-axis moving mechanism 41, a hinge 91, a hinge shaft 92 and an extension spring 93, the hinge shaft 92 is transversely arranged at the lower part of the cabin door 13, the hinge 91 is arranged on the hinge shaft 92, the lower part of the cabin door 13 is rotatably connected to the hinge shaft 92 through the hinge 91, one end of the extension spring 93 is connected with the hinge 91, the other end of the extension spring 93 is connected to the bottom of the cabin 12, the XY-axis moving mechanism 41 drives the collector 4 to push the upper part of the cabin door 13 open, at the moment, the extension spring 93 is tensioned, and the collector 4 is exposed out of the cabin 12, so that sampling by experimenters is facilitated; after sampling, the XY axis moving mechanism 41 drives the collector 4 to retract into the chamber 12, the extension spring 93 contracts, and the chamber door 13 is closed again under the tension of the extension spring 93.

An automatic collection method of dried blood spot paper comprises the following steps:

s1: placing the dried blood spot paper 20 on a punching table 22, and starting a master controller;

s2: collecting and recording two-dimensional code information on the dried blood spot paper 20 by a code scanning gun;

s3: the static removing device 3 discharges air in the areas of the punch 21 and the punching table 22 through the ion air outlet 311, and static charges in the areas of the punch 21 and the punching table 22 are removed;

s4: the laser emitter 51 starts a laser beam, the laser beam irradiates on a blood spot area of the dry blood spot paper 20, and whether the blood spot corresponds to the position of a dry blood spot hole 221 is judged by whether the blood spot on the dry blood spot paper 20 is matched with the irradiation position, namely, the punching position is appointed;

s5: the XY-axis moving mechanism 41 drives the collectors to move to the positions below the dry blood spot holes 221, so that the falling positions of the dry blood spot pieces are aligned to the corresponding collectors;

s6: starting the automatic punching device 2, as shown in fig. 15, punching the blood spot area on the dried blood spot paper 20 downwards vertically by the punch 21, wherein the punch 21 penetrates into the dried blood spot hole 221, the punch 21 and the dried blood spot hole 221 are cut in half to obtain a dried blood spot sheet, and the T-shaped ejector rod 101 which is compressed all the time impacts the dried blood spot sheet;

s7: the blanking device 6 blows the dried blood spot sheet and the punch 21 in the dried blood spot hole 221, so that the dried blood spot sheet and the punch 21 are separated, and the dried blood spot sheet accurately falls into the corresponding collector 4;

s8: the camera 81 acquires the image condition of the dry blood spot falling into the collector 4 in real time and reflects the image condition on the display 82;

s9: after the blanking is finished, the XY-axis moving mechanism 41 moves to drive the collector 4 to eject out the cabin door 13, dry plaque pieces are collected, finally, the collector 4 returns to the cabin 12, and the cabin door 13 is automatically closed.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present invention, and all equivalent changes made in the design key point of the present invention fall within the protection scope of the present invention.