阅读说明：本技术 一种水蛭干的炮制工艺 (Dried leech processing technology ) 是由 李中华 张翠丽 惠晴晴 李龙宇 于 2021-07-19 设计创作，主要内容包括：本发明公开了一种水蛭干的炮制工艺,属于农副产品加工技术领域,该工艺包括清洗、冷冻、晾干和炒制,水蛭先在低温下养殖,排出脏物、刺激生成水蛭素,再低温促使水蛭冬眠,降低水蛭活性,之后急冷冻僵水蛭,保持舒张状态,通过穿刺设备穿好后晾干,最后使用炒料炒制成水蛭干；本发明制成的水蛭干的水蛭素含量高,药用价值高,水蛭干体形舒展、表面焦黄、腥臭气味淡；此外本发明还提供了用于水蛭干穿刺的穿刺设备,通过振动将粘结的冷冻水蛭分散,驱动组件带动穿刺针将水蛭有序穿刺,并通过齿轮与齿条啮合实现穿刺针的进退料,进而实现连续穿刺作业,解决水蛭生产瓶颈工序,大大提升水蛭干的生产效率。(The invention discloses a dried leech processing technology, which belongs to the technical field of agricultural and sideline product processing, and comprises the steps of cleaning, freezing, airing and frying, wherein leeches are cultured at low temperature, dirt is discharged, hirudin is generated by stimulation, then the leeches are promoted to hibernate at low temperature, the leech activity is reduced, then the frozen and stiff leeches are quenched and kept in a relaxation state, the dried leeches are worn by puncture equipment and then aired, and finally fried by frying materials to be prepared into dried leeches; the dried leech prepared by the method has high hirudin content and high medicinal value, and the dried leech has a stretched body shape, a scorched surface and a light fishy smell; in addition, the invention also provides a puncture device for dried leech puncture, the bonded frozen leeches are dispersed through vibration, the drive assembly drives the puncture needle to puncture the leeches in order, and the feeding and the returning of the puncture needle are realized through the engagement of the gear and the rack, so that the continuous puncture operation is realized, the bottleneck process of leech production is solved, and the production efficiency of dried leeches is greatly improved.)

1. The processing technology of dried leeches is characterized by comprising the following steps:

cleaning: removing impurities from living Hirudo, adding clear water, feeding and culturing at 2-5 deg.C for 2-3 days, soaking in saline water for 5-8min, and washing with clear water to obtain clean Hirudo;

freezing: draining clean Hirudo, cooling to 0-2 deg.C at a cooling rate of 3-5 deg.C/h, cooling to-5 deg.C at a cooling rate of 15-20 deg.C/h, and freezing for 1-2h to obtain frozen Hirudo;

drying: putting frozen leeches into a hopper (114) of a puncture device, penetrating the frozen leeches on a puncture needle (117) after vibration dispersion and hot air thawing, spraying white spirit on the surfaces of the leeches, and then naturally drying the leeches until the water content is 10-12% to obtain pre-dried leeches;

frying: adding pre-dried Hirudo and parched materials into a frying pan, parching at 70-90 deg.C for 2-3 hr, naturally cooling Hirudo and parched materials to room temperature, and sieving to remove parched materials to obtain dried Hirudo.

2. The processing technology of dried leeches according to claim 1, wherein in the cleaning step, the saline water is prepared by diluting edible salt and tap water, and the mass concentration of the saline water is 1-1.2%.

3. The processing process of dried leeches, according to claim 1, wherein in the frying step, the fried materials comprise quartz sand, talcum powder and turmeric powder, and the mass ratio of the quartz sand to the talcum powder to the turmeric powder is 3:1: 0.55-0.7.

4. The processing technology of dried leeches according to claim 1, wherein the puncture method in the airing process is as follows:

the frozen leech prepared in the freezing step is placed into a hopper (114), is guided onto a vibrating plate (215) through the hopper (114), a vibrating motor (214) is started to transmit vibration to the vibrating plate (215), and the vibration amplitude is amplified through the restoring action of a first spring (212) to vibrate and disperse the bonded frozen leech;

the hot air blower (112) blows hot air from the lower side of the feed box (113) to reduce the surface hardness of the leeches and unfreeze the frozen leeches by hot air;

unfreezing leeches fall into a puncture box (116) through a guide chute plate (115), an air cylinder (120) jacks up an impact block (316), a puncture needle (117) is driven to puncture the leeches upwards, the leeches are penetrated on the puncture needle (117) under the blocking effect of a limiting hole (412), the air cylinder (120) resets, a second spring (315) returns, the puncture needle (117) is driven to withdraw from the puncture box (116) downwards, when the leeches fully penetrate the puncture needle (117), a driving motor (121) drives a gear (122) to rotate, the gear (122) is meshed with a rack (311), a sliding plate (118) is driven to move, the puncture needle (117) fully penetrating the leeches is withdrawn, and leech puncture is completed.

Technical Field

The invention belongs to the technical field of agricultural and sideline product processing, and particularly relates to a dried leech processing technology.

Background

The leech is an animal traditional Chinese medicine, the medicinal value of the leech is long known, and recent pharmacological research shows that the leech has the pharmacological effects of anticoagulation, thrombus resistance, blood fat reduction and the like, and can be clinically used for treating diseases such as heart, cerebral vessels and the like to obtain better curative effect.

At present, living leeches are processed into dried leeches by leech farmers, the quality of the processing quality determines the sale price of the dried leeches in the later period, and the quality of the processing quality depends on the processing method. The existing processing method comprises the following two methods: sun drying method: inserting thin bamboo sticks with two tips into the tail of Hirudo, turning the head to the tail, pulling out the head, removing blood, sun drying to eighty percent dry, taking out the bamboo sticks, and sun drying; a water scalding method: putting the leeches into a vessel, pouring boiling water suddenly, submerging the leeches in hot water for 2-3 fingers, taking out the leeches after the leeches die, cleaning the leeches, and putting the leeches in a clean place for drying in the sun; the dried leech processing process in the prior art has the following problems:

1. the leech is soft in body, the operation of puncturing and airing is inconvenient, and the production efficiency is extremely low;

2. the leech is scalded with water, sand or directly fried, and is strongly stimulated from the outside, the leech spits out secretion containing hirudin, the medicinal value is reduced, and the leech is stimulated to curl, so that the dried leech is not good;

3. the dried leeches have prominent fishy smell and are difficult to be taken in.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a dried leech processing technology.

The purpose of the invention can be realized by the following technical scheme:

a processing technology of dried leeches comprises the following steps:

cleaning: removing impurities from living leeches, putting the leeches into a culture device, adding clear water which is not soaked in the leeches, putting the culture device in an environment with the temperature of 2-5 ℃, stopping food supply for culturing for 2-3 days, naturally discharging excrement in the leeches, soaking the leeches in saline water for 5-8min, sterilizing the leeches, removing surface mucus, and washing with clear water to obtain the clean leeches;

freezing: removing water from clean leeches, placing the leeches into refrigeration equipment, cooling to 0-2 ℃ at a cooling speed of 3-5 ℃/h, slowly reducing the activity of the leeches, keeping the leeches in a stretched state, then cooling to-5 ℃ at a cooling speed of 15-20 ℃/h, rapidly hardening the leeches, avoiding the leeches from being compressed, preserving heat, freezing for 1-2h, and freezing the leeches to obtain frozen leeches;

drying: putting frozen leeches into a hopper of a puncture device, dispersing the frozen leeches which are mutually bonded by a vibrating plate, blowing hot air from the bottom of a material box by a hot air blower to unfreeze the surface of the frozen leeches, reducing the surface hardness, sliding the unfrozen leeches into a puncture box from a guide chute plate, driving puncture needles by a cylinder to orderly penetrate the unfrozen leeches, taking out the puncture needles penetrated with the unfrozen leeches, placing the puncture needles into an air drying chamber, spraying white spirit on the surface of the unfrozen leeches to sterilize the surface of the leeches, avoiding breeding of mosquitoes in the air drying process, and naturally drying the white spirit until the water content of the leeches is 10-12% to obtain predried leeches;

frying: adding pre-dried Hirudo and parched materials into a frying pan, controlling stirring speed at 20-30r/min and temperature at 70-90 deg.C, parching for 2-3 hr, placing the parched Hirudo and parched materials into a container, naturally cooling to room temperature, and sieving with a vibrating screen to obtain dried Hirudo.

Further, in the cleaning step, the saline is prepared by diluting edible salt and tap water, and the mass concentration of the saline is 1-1.2%.

Further, in the frying step, the fried materials comprise quartz sand, talcum powder and turmeric powder, and the mass ratio of the quartz sand to the talcum powder to the turmeric powder is 3:1: 0.55-0.7.

Furthermore, the puncture equipment comprises a rack, a feed box is arranged on one side of the top surface of the rack, a puncture box is arranged on one side of the feed box, a vibrating plate is obliquely arranged in the middle of the feed box, two ends of the vibrating plate are connected with vibrating assemblies, the vibrating plates are driven by the vibrating assemblies to vibrate, the frozen leeches which are mutually bonded are separated in a vibrating mode, a discharge port is formed in the side wall, close to the puncture box, of the feed box, the discharge port is arranged opposite to one end of the vibrating plate, a material guide groove plate is communicated between the discharge port and the puncture box and used for guiding the frozen leeches into the puncture box, a puncture needle is arranged below the puncture box and connected with a driving assembly, and the driving assembly is used for driving the puncture needle to puncture leeches and feeding and discharging;

furthermore, the vibration assembly comprises a vibration motor and a mounting plate, the mounting plate is arranged below two ends of the vibration plate, the vibration plate is fixedly connected with the inner wall of the material box, guide pillars are arranged on the top surface of the mounting plate, the bottom ends of the guide pillars are fixedly connected with the mounting plate, the top ends of the guide pillars penetrate through the vibration plate, first springs are sleeved on the outer sides of the guide pillars, sinking grooves are formed in the bottom surfaces of two ends of the vibration plate, the first springs and the sinking grooves are arranged and embedded, the output end of the vibration motor is connected with the top surface of the vibration plate, the vibration motor is electrically connected with an external power supply, vibration is transmitted to the vibration plate, and the vibration amplitude is amplified through the return action of the first springs, so that the bonded frozen leeches can be dispersed;

furthermore, the driving assembly comprises a driving motor, a sliding plate and a guide rail, the guide rail is fixedly connected with the inner side wall of the rack, a sliding block which is matched with the guide rail and is slidably installed is fixed on the side wall, close to the guide rail, of the sliding plate, a rack is fixed on the side wall, far away from the guide rail, of the sliding plate, one side of the rack is meshed and connected with a gear, the output end of the driving motor is fixedly connected with the rotation center of the gear, the driving motor drives the gear to rotate, so that the sliding plate is driven to reciprocate along the length direction of the puncture box, feeding of the puncture needle is achieved, a push rod penetrates through the middle of the sliding plate, a limiting block is fixedly connected to the top end of the push rod, the bottom end of the puncture needle is in threaded connection with the limiting block, an impact block is fixed to the bottom end of the push rod, a second spring is sleeved on the outer side of the push rod, and the second spring is located between the bottom surface of the sliding plate and the top surface of the impact block, so that the resilience of the impact block is enhanced, avoid ejector pin and slider card to die, the below of impact block is provided with the cylinder, through the reciprocal jacking impact block of cylinder output, and then the puncture leech that unfreezes of puncture needle puncture from top to bottom is realized puncturing the leech in order.

Furthermore, the puncture box is a box-shaped structure with a plurality of partitions inside, a limiting hole through which the puncture needle is adapted to pass is formed in the top of the puncture box, a blanking hole is formed in the bottom of the puncture box, a plurality of plastic sheets are arranged in the blanking hole, the plurality of plastic sheets are distributed in an equal angle mode relative to the central axis of the blanking hole, unfreezing leeches fall on the plastic sheets, the puncture needle moves upwards to penetrate through the unfreezing leeches and is penetrated into the puncture needle under the limiting effect of the limiting hole, and the orderly unfreezing leeches are penetrated into the puncture needle through reciprocating puncture.

Furthermore, a plurality of groups of air heaters are arranged at the bottom of the side wall of the feed box, a plurality of through holes are formed in the vibrating plate, hot air is blown in from the bottom through the air heaters, the surface of the frozen leech is unfrozen, the hardness of the surface of the leech is reduced, and a puncture needle can conveniently puncture the surface of the leech.

Further, the top of workbin is provided with the hopper, and the bottom of hopper extends to the one side that is close to vibrating motor.

Furthermore, a plurality of barbs are arranged on the circumferential side surface of the puncture needle, and the barbs increase the friction force between the unfreezing leeches and the puncture needle.

The invention has the beneficial effects that:

1. according to the processing technology of the dried leeches, leeches are fed and cultured in a dead food mode in an environment of 2-5 ℃, dirt in leeches is discharged, and meanwhile, a large amount of hirudin is released by the leeches in a low-temperature environment, so that the prepared dried leeches are high in medicinal value.

2. According to the processing technology of the dried leeches, the cleaned leeches are slowly cooled to 0-2 ℃, the leeches are manually intervened to enable the leeches to enter a hibernation state, the leeches still keep a relaxation state at the time, the activity is reduced, then the leeches are rapidly frozen and stiff, the leeches are kept in a stretching state, and the appearance of the dried leeches is improved.

3. The invention provides a processing technology of dried leeches, and provides a stir-fried material in the preparation process of dried leeches, wherein the stir-fried material comprises quartz sand, talcum powder and turmeric powder, the quartz sand plays a role in heat transfer and can uniformly heat leeches, the talcum powder can effectively reduce the toxicity of the leeches, the surface of the leeches can be burnt yellow by adding the turmeric powder for stir-frying, the color of the dried leeches is improved, and simultaneously, the pungent smell can remove fishy smell.

4. The invention provides a puncture device for drying leeches, which disperses bonded frozen leeches through vibration, a driving assembly drives the puncture to puncture the leeches in order, and the feeding and the discharging of a puncture needle are realized through the engagement of a gear and a rack, so that the continuous puncture operation is realized, and the puncture efficiency of the leeches is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the lancing apparatus of the present invention;

FIG. 2 is a schematic view of the internal structure of the bin;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1 at A;

fig. 4 is a schematic structural view of the puncture cassette.

In the drawings, the components represented by the respective reference numerals are listed below:

111. a frame; 112. a hot air blower; 113. a material box; 114. a hopper; 115. a chute plate; 116. a puncture box; 117. puncturing needle; 118. a slide plate; 119. a guide rail; 120. a cylinder; 121. a drive motor; 122. a gear; 211. mounting a plate; 212. a first spring; 213. a guide post; 214. a vibration motor; 215. a vibrating plate; 216. a discharge port; 311. a rack; 312. a limiting block; 313. a top rod; 314. a slider; 315. a second spring; 316. an impact block; 411. a plastic sheet; 412. and a limiting hole.

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

The embodiment prepares the fried material, and the specific preparation process is as follows:

according to the parts by weight, 30 parts of quartz sand, 5.5 parts of talcum powder and 7 parts of turmeric powder are taken and put into a stirrer to be stirred for 10min, and the stir-fried material is prepared.

Example 2

Referring to fig. 1-4, a processing method of dried leeches includes the following steps:

cleaning: cleaning living leeches, putting the living leeches into a culture device, adding clear water which is not soaked in the leeches, putting the culture device in an environment of 2 ℃, stopping food supply for culturing for 2 days, naturally discharging excrement in the leeches, soaking the leeches for 5min by using saline water with the mass concentration of 1%, sterilizing the leeches, removing surface mucus, and washing by using clear water to obtain the clean leeches;

freezing: removing water from clean leeches, placing the leeches into refrigeration equipment, cooling the leeches to 2 ℃ at a cooling speed of 3 ℃/h, slowly reducing the activity of the leeches, keeping the leeches in a stretched state, then cooling the leeches to-5 ℃ at a cooling speed of 15 ℃/h, quickly hardening the leeches, avoiding the leeches from rolling, preserving heat, freezing for 1h, and freezing the leeches to obtain frozen leeches;

drying: putting frozen leeches into a hopper 114 of a puncture device, dispersing the mutually bonded frozen leeches by a vibrating plate 215, blowing hot air from the bottom of a material box 113 by an air heater 112 to unfreeze the surface of the frozen leeches, reducing the surface hardness, sliding the unfrozen leeches into a puncture box 116 from a material guide groove plate 115, driving a puncture needle 117 by an air cylinder 120 to orderly penetrate the unfrozen leeches, taking out the puncture needle 117 penetrated with the unfrozen leeches, placing the puncture needle in an air drying chamber, spraying white spirit on the surface of the unfrozen leeches, and naturally drying the leeches until the water content of the leeches is 10% to obtain pre-dried leeches;

frying: adding pre-dried leech and the stir-fried material prepared in the embodiment 1 into a frying pan, controlling the stirring speed at 20r/min and the temperature at 70 ℃, frying for 3h, putting the fried leech and the stir-fried material into a container, naturally cooling to room temperature, and then screening out the stir-fried material by using a vibrating screen to obtain dried leech.

Example 3

Referring to fig. 1-4, a processing method of dried leeches includes the following steps:

cleaning: cleaning living leeches, putting the living leeches into a culture device, adding clear water which is not soaked in the leeches, putting the culture device in an environment of 3 ℃, stopping food supply for culture for 3 days, naturally discharging excrement in the leeches, soaking the leeches in 1.1 mass percent saline water for 6min, sterilizing the leeches, removing surface mucus, and washing with clear water to obtain the clean leeches;

freezing: removing water from clean leeches, placing the leeches into refrigeration equipment, cooling the leeches to 2 ℃ at a cooling speed of 4 ℃/h, slowly reducing the activity of the leeches, keeping the leeches in a stretched state, then cooling the leeches to-5 ℃ at a cooling speed of 18 ℃/h, quickly hardening the leeches, avoiding the leeches from rolling, preserving heat, freezing for 1h, and freezing the leeches to obtain frozen leeches;

drying: putting frozen leeches into a hopper 114 of a puncture device, dispersing the mutually bonded frozen leeches by a vibrating plate 215, blowing hot air from the bottom of a material box 113 by an air heater 112 to unfreeze the surface of the frozen leeches, reducing the surface hardness, sliding the unfrozen leeches into a puncture box 116 from a material guide groove plate 115, driving a puncture needle 117 by an air cylinder 120 to orderly penetrate the unfrozen leeches, taking out the puncture needle 117 penetrated with the unfrozen leeches and placing the puncture needle in an air drying chamber, spraying white spirit on the surface of the unfrozen leeches, and then naturally drying the leeches until the water content of the leeches is 11% to obtain pre-dried leeches;

frying: adding pre-dried leech and the stir-fried material prepared in the embodiment 1 into a frying pan, controlling the stirring speed at 25r/min and the temperature at 80 ℃, frying for 1h, putting the fried leech and the stir-fried material into a container, naturally cooling to room temperature, and then screening out the stir-fried material by using a vibrating screen to obtain dried leech.

Example 4

Referring to fig. 1-4, a processing method of dried leeches includes the following steps:

cleaning: cleaning living leeches, putting the living leeches into a culture device, adding clear water which is not soaked in the leeches, putting the culture device in an environment of 5 ℃, stopping food supply and culturing for 3 days, naturally discharging excrement in the leeches, soaking the leeches for 8min by using saline water with the mass concentration of 1.2%, sterilizing the leeches and removing surface mucus, and washing the leeches by using clear water to obtain cleaned leeches;

freezing: removing water from clean leeches, placing the leeches into refrigeration equipment, cooling to 0 ℃ at a cooling speed of 5 ℃/h, slowly reducing the activity of the leeches, keeping the leeches in a stretched state, then cooling to-5 ℃ at a cooling speed of 20 ℃/h, quickly hardening the leeches, avoiding the leeches from rolling, preserving heat, freezing for 2h, and freezing the leeches to obtain frozen leeches;

drying: putting frozen leeches into a hopper 114 of a puncture device, dispersing the mutually bonded frozen leeches by a vibrating plate 215, blowing hot air from the bottom of a material box 113 by an air heater 112 to unfreeze the surface of the frozen leeches, reducing the surface hardness, sliding the unfrozen leeches into a puncture box 116 from a material guide groove plate 115, driving a puncture needle 117 by an air cylinder 120 to orderly penetrate the unfrozen leeches, taking out the puncture needle 117 penetrated with the unfrozen leeches, placing the puncture needle in an air drying chamber, spraying white spirit on the surface of the unfrozen leeches, and naturally drying the leeches until the water content of the leeches is 12% to obtain pre-dried leeches;

frying: adding pre-dried leech and the stir-fried material prepared in the embodiment 1 into a frying pan, controlling the stirring speed at 30r/min and the temperature at 90 ℃, frying for 2h, putting the fried leech and the stir-fried material into a container, naturally cooling to room temperature, and then screening out the stir-fried material by using a vibrating screen to obtain dried leech.

Comparative example 1

The comparative example is a commercial dried leech.

Comparative example 2

The comparative example is commercial dried leech which is scalded and dried by water.

Comparative example 3

The comparative example is a commercial dried leech fried with talcum powder.

Examples 2 to 4 and comparative examples 1 to 3 were evaluated organoleptically, with the specific data shown in Table 1:

TABLE 1

As can be seen from Table 1, the dried leeches obtained in examples 2 to 4 had a stretched body shape, a slightly swollen middle part, a burnt yellow color, a slight burnt smell and a superior taste.

Testing the effective components: taking 10g of each of examples 2-4 and comparative examples 1-3, grinding into powder, adding 100mL of normal saline, soaking for 1h, filtering to obtain an extract, taking 10mL of fresh pig blood, adding the prepared extracts into the pig blood respectively, placing in a constant-temperature water bath at 37 ℃, and recording the coagulation time of the pig blood, wherein the specific data are shown in Table 2:

TABLE 2

As can be seen from table 2, the extract solutions prepared in examples 2 to 4 have good anticoagulant effect, which indicates that the dried leeches prepared in examples 2 to 4 have high anticoagulant active ingredients and are easy to leach out.

Referring to fig. 1 to 4, the puncturing device in the above embodiment includes a frame 111, a magazine 113 disposed at one side of a top surface of the frame 111, a puncturing box 116 disposed at one side of the magazine 113, the middle part of the material box 113 is obliquely provided with a vibrating plate 215, and both ends of the vibrating plate 215 are connected with vibrating components, the vibrating plate 215 is driven by the vibrating component to vibrate and separate the mutually bonded frozen leeches, the side wall of the feed box 113 close to the puncture box 116 is provided with a discharge hole 216, the discharge hole 216 is arranged opposite to one end of the vibrating plate 215, a material guide groove plate 115 is communicated between the discharge hole 216 and the puncture box 116, the material guide groove plate 115 is used for guiding the frozen leeches into the puncture box 116, a puncture needle 117 is arranged below the puncture box 116, the puncture needle 117 is connected with a driving assembly, and the driving assembly is used for driving the puncture needle 117 to puncture leeches and feed and return materials;

the vibrating assembly comprises a vibrating motor 214 and a mounting plate 211, the mounting plate 211 is arranged below two ends of a vibrating plate 215, the vibrating plate 215 is fixedly connected with the inner wall of the feed box 113, guide pillars 213 are arranged on the top surface of the mounting plate 211, the bottom ends of the guide pillars 213 are fixedly connected with the mounting plate 211, the top ends of the guide pillars 213 penetrate through the vibrating plate 215, first springs 212 are sleeved on the outer sides of the guide pillars 213, sunken grooves are formed in the bottom surfaces of the two ends of the vibrating plate 215, the first springs 212 and the sunken grooves are matched and embedded, the output end of the vibrating motor 214 is connected with the top surface of the vibrating plate 215, the vibrating motor 214 is electrically connected with an external power supply, vibration is transmitted to the vibrating plate 215, the restoring effect of the first springs 212 is utilized, the vibration amplitude is amplified, and the bonded frozen leeches can be dispersed;

the driving assembly comprises a driving motor 121, a sliding plate 118 and a guide rail 119, the guide rail 119 is fixedly connected with the inner side wall of the rack 111, a sliding block 314 which is matched with the guide rail 119 and is slidably mounted is fixed on the side wall of the sliding plate 118 close to the guide rail 119, a rack 311 is fixed on the side wall of the sliding plate 118 far away from the guide rail 119, a gear 122 is meshed and connected with one side of the rack 311, the output end of the driving motor 121 is fixedly connected with the rotating center of the gear 122, the driving motor 121 drives the gear 122 to rotate, so as to drive the sliding plate 118 to reciprocate along the length direction of the puncture box 116, the feeding of the puncture needle 117 is realized, a push rod 313 penetrates through the middle part of the sliding plate 118, a limiting block 312 is fixedly connected with the top end of the push rod 313, a shock block 316 is fixed at the bottom end of the push rod 313, a second spring 315 is sleeved outside the push rod 313, and the second spring 315 is positioned between the bottom surface of the sliding plate 118 and the top surface of the shock block 316, the resilience of the impact block 316 is enhanced, the ejector rod 313 and the sliding plate 118 are prevented from being clamped, the air cylinder 120 is arranged below the impact block 316, the impact block 316 is jacked up and down in a reciprocating mode through the output end of the air cylinder 120, the puncture needle 117 is driven to puncture and unfreeze leeches up and down, and sequential leech puncture is achieved.

The puncture box 116 is a box-shaped structure with a plurality of partitions inside, a puncture needle 117 is arranged at the top of the puncture box 116 to be matched with and penetrate through a limiting hole 412, a blanking hole is arranged at the bottom of the puncture box 116 and is provided with a plurality of plastic sheets 411, the plurality of plastic sheets 411 are distributed in an equal angle mode relative to the central axis of the blanking hole, unfrozen leeches fall on the plastic sheets 411, the puncture needle 117 moves upwards to penetrate through the unfrozen leeches and is penetrated into the puncture needle 117 under the limiting effect of the limiting hole 412, and the unfrozen leeches are orderly penetrated into the puncture needle 117 through reciprocating puncture.

The bottom of the side wall of the feed box 113 is provided with a plurality of groups of hot air blowers 112, the vibrating plate 215 is provided with a plurality of through holes, hot air is blown from the bottom through the hot air blowers 112 to unfreeze the surface of the frozen leeches, so that the hardness of the surface of the leeches is reduced, and the puncture needle 117 can conveniently puncture the frozen leeches.

The hopper 114 is provided at the top of the hopper 113, and the bottom end of the hopper 114 extends to a side near the vibration motor 214.

The circumferential side surface of the puncture needle 117 is provided with a plurality of barbs which increase the friction force between the unfreezing leech and the puncture needle 117.

The working principle of the invention is as follows:

the frozen leech prepared in the freezing step is put into the hopper 114 and is guided onto the vibrating plate 215 through the hopper 114, the vibrating motor 214 is started to transmit vibration to the vibrating plate 215, and the vibration amplitude is amplified through the restoring action of the first spring 212 to vibrate and disperse the bonded frozen leech; the hot air blower 112 blows hot air from the lower side of the feed box 113 to unfreeze the surface of the frozen leech, so that the hardness of the surface of the leech is reduced, and the puncture is facilitated; unfrozen leeches fall into the puncture box 116 through the guide chute plate 115, the air cylinder 120 jacks the impact block 316, the puncture needle 117 is driven to puncture leeches upwards, the leeches are penetrated on the puncture needle 117 under the blocking effect of the limiting hole 412, the air cylinder 120 resets, the second spring 315 returns, the puncture needle 117 is driven to retreat downwards from the puncture box 116, one-time leech puncture is completed, ordered puncture of the leeches can be completed by reciprocating in this way, when the leeches penetrate the puncture needle 117 fully, the driving motor 121 drives the gear 122 to rotate, the gear 122 is meshed with the rack 311, the sliding plate 118 is driven to move, the puncture needle 117 which penetrates the leeches fully retreats, the puncture needles 117 are arranged at two ends of the top surface of the sliding plate 118, the puncture operation can be continuously performed, and the production efficiency is greatly improved.

The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.