Poultry vaccine injection equipment

Abstract

The utility model discloses poultry vaccine injection equipment, an injector and a control device. The control device comprises a mounting frame, a motor driver, a driving assembly and at least one injection device, the motor driver, the driving assembly and the at least one injection device are arranged on the mounting frame, the motor driver is electrically connected with the driving assembly, the injection device comprises a piston rod and an injection part, the piston rod is movably arranged in the injection part, a liquid inlet and a liquid outlet are formed in the injection part, and the liquid inlet and the liquid outlet are both communicated with the interior of the injection part; the driving assembly is connected with the piston rod and drives the piston rod to move in the injection part; the liquid outlet is connected with an injector which is electrically connected with the motor driver. After the injector induction injector is inserted into the poultry skin, a signal is transmitted to the motor driver, and the motor driver controls the driving assembly to start after receiving the signal. The driving assembly drives the piston rod of the injection device to move, so that the vaccine flows into the injector from the liquid outlet through the pipeline, and finally the vaccine is injected into poultry through the injector.

Description

TECHNICAL FIELD

[0001] The utility model relates to poultry breeding technical field, specifically, relate to a poultry vaccine injection equipment. BACKGROUND

[0002] At present, along with economic development, the living standard improves, people's demand for poultry is bigger and bigger. Because it has high protein, low cholesterol, low fat and low heat and so on, the chicken has become the high-quality animal protein source that consumer in our country generally accepts. Large-scale, intensive breeding broiler becomes the trend. Along with the expansion of the breeding scale, livestock and poultry epidemic prevention and control become the bottleneck that restricts the development of scale farm. Such manual injection mode makes the breeder tedious and tired when injecting the poultry vaccine, and the efficiency is low. SUMMARY

[0003] In view of the prior art's insufficient, provide a kind of poultry vaccine injection equipment.

[0004] To achieve the above object, the utility model provides a kind of poultry vaccine injection equipment, including syringe and control device, control device includes mounting bracket, motor driver, drive assembly and at least one injection device;Motor driver, drive assembly and at least one injection device are located in mounting bracket, motor driver is electrically connected with drive assembly, injection device includes piston rod and injection part, piston rod is movably arranged in injection part, injection part is provided with liquid inlet and liquid outlet, and liquid inlet and liquid outlet are all communicated with the inside of injection part;Drive assembly is connected with piston rod and drives piston rod to move in injection part;Liquid outlet is connected with syringe, and syringe is electrically connected with motor driver.

[0005] According to an embodiment of the utility model, the syringe includes shell, needle head assembly, needle cylinder assembly, movable cylinder sleeve and first sensing assembly;The shell is provided with clamping block, and the clamping block is provided with clamping position;The needle cylinder assembly is partially located in the shell and clamped in the clamping position, and another part of the needle cylinder assembly extends out of the shell, and one end of the needle cylinder assembly extending out of the shell is connected with liquid outlet through pipeline;One end of needle head assembly extends into the shell and is connected with needle cylinder assembly, and the other end of needle head assembly extends out of the shell, and needle head assembly is connected with the inside of needle cylinder assembly;Movable cylinder sleeve includes cylinder body and elastic member, one end of cylinder body extends into the shell, and cylinder body movably covers needle head assembly outside, one end of elastic member abuts one end of cylinder body in the shell, and the other end abuts clamping block;The first sensing assembly includes first inductor and first sensing sheet, and the first sensing sheet is connected with cylinder body, and the first inductor is located on the movable path of first sensing sheet, and the first inductor is electrically connected with motor driver.

[0006] According to an embodiment of the utility model, needle head assembly includes needle head and flow guide piece, one end of needle head is connected with flow guide piece, and the inside of needle head and flow guide piece is communicated, one end of needle head away from flow guide piece projects from shell, one end of flow guide piece away from needle head is connected with needle cylinder assembly.

[0007] According to an embodiment of the utility model, needle cylinder assembly includes first needle cylinder, second needle cylinder, connecting piece and at least one connecting terminal, one end of first needle cylinder is connected with needle head assembly, and the other end is connected with second needle cylinder, one end of second needle cylinder away from first needle cylinder is connected with connecting piece, and second needle cylinder is clamped in clamping position, one end of at least one connecting terminal is connected with connecting piece, and the other end is connected with liquid outlet through pipeline.

[0008] According to an embodiment of the utility model, cylinder body includes sleeve and abutment piece, the inside of sleeve is hollow, sleeve is sleeved on needle head assembly, and one end of sleeve is located in shell, and the other end projects from shell, abutment piece is connected to one end of sleeve, and abutment piece is located in shell, one end of elastic piece is abutted to abutment piece, and the other end is abutted to clamping block, one end of first induction sheet is connected to abutment piece.

[0009] According to an embodiment of the utility model, syringe still includes fine adjustment assembly, fine adjustment assembly includes adjusting screw, adjusting nut and adjusting piece, adjusting nut is located in shell, adjusting screw is connected with adjusting nut in screw thread, one end of adjusting screw projects from shell, adjusting piece is connected to the other end of adjusting screw, and adjusting piece is located on the moving path of movable sleeve.

[0010] According to an embodiment of the utility model, control device still includes power supply, and power supply is electrically connected with motor driver.

[0011] According to an embodiment of the utility model, drive assembly includes drive motor and transmission plate, drive motor is installed on mounting bracket, transmission plate is connected to the drive end of drive motor, and one end of piston rod is connected with transmission plate.

[0012] According to an embodiment of the utility model, control device still includes second sensing assembly, second sensing assembly includes support, two second inductors and a second induction sheet, support is installed on mounting bracket, two second inductors are installed on support at intervals, second induction sheet is arranged on transmission plate, and two second inductors are located on the moving path of second induction sheet.

[0013] According to an embodiment of the utility model, control device still includes shell and touch screen, frame body, motor driver, drive assembly and at least one injection device are arranged in shell, one side of touch screen is exposed to shell, and touch screen is electrically connected with motor driver.

[0014] The utility model discloses an injection device for poultry vaccine injection, which comprises a base, a driving assembly, an injection device and a control device. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the principles of the application. In the drawings:

[0016] Figure 1 It is the schematic diagram of control device in the embodiment;

[0017] Figure 2 It is another schematic diagram of control device in the embodiment;

[0018] Figure 3 It is the explosion map of injection device in the embodiment;

[0019] Figure 4 It is the schematic diagram of driving assembly in the embodiment;

[0020] Figure 5 It is the internal schematic diagram of syringe in the embodiment;

[0021] Figure 6 It is another internal schematic diagram of syringe in the embodiment;

[0022] Figure 7 It is the explosion map of movable cylinder cover 15 in the embodiment.

[0023] Reference numerals

[0024] 1 - syringe; 11 - housing; 12 - clamping block; 121 - clamping position; 13 - needle assembly; 131 - needle; 132 - flow guide; 14 - needle cylinder assembly; 141 - first needle cylinder; 142 - second needle cylinder; 143 - connecting piece; 144 - connecting terminal; 15 - movable cylinder sleeve; 151 - cylinder body; 152 - elastic member; 1511 - sleeve; 1512 - abutting member; 16 - first sensing assembly; 161 - first inductor; 162 - first inductive sheet; 17 - fine adjustment assembly; 171 - adjusting screw; 172 - adjusting nut; 173 - adjusting member; 2 - control device; 21 - mounting frame; 22 - motor driver; 23 - driving assembly; 231 - driving motor; 232 - transmission plate; 24 - injection device; 241 - piston rod; 242 - injection part; 2421 - liquid inlet; 2422 - liquid outlet; 2423 - bottle body; 2424 - first connecting piece; 2425 - second connecting piece; 25 - power supply; 26 - second sensing assembly; 261 - support; 262 - second inductor; 263 - second inductive sheet; 27 - housing; 28 - touch screen. DETAILED DESCRIPTION

[0025] Embodiments of the present application will be described below with reference to the drawings. Many practical details will be described in the following description in order to provide a thorough understanding of the present application. However, it will be apparent to those skilled in the art that the present application can be practiced without these specific details. In other instances, well-known structures and components are not described in detail in order to avoid obscuring the present application. In addition, for the purpose of simplicity and clarity, the drawings have not necessarily been drawn to scale.

[0026] In addition, the terms "first", "second", and the like, as used in the description and the claims, are used for distinguishing between similar elements and not necessarily for describing a sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of use in either order. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. The use of the terms "first", "second", and the like does not imply a limitation on the number of such elements, but rather the use of such terms is intended to distinguish between two separate elements or instances for which it is desired to distinguish. The singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. The terms "comprises", "comprising", "includes", "including" and the like can be used herein, and each means inclusion of a stated integer or group of integers but not exclusion of any other integer or group of integers. The use of the term "about" in relation to a number, value or other quantity means that the quantity can vary by up to 10% of the stated number, value or quantity, unless the context clearly dictates otherwise.

[0027] Reference is made to Figures 1-3 , Figure 1 is a schematic view of the control device, Figure 2 is another schematic view of the control device, Figure 3It is an exploded view of the injection device. The poultry vaccine injection equipment includes a syringe 1 and a control device 2. Specifically, the control device 2 includes a mounting frame 21, a motor driver 22, a drive assembly 23 and at least one injection device 24. The motor driver 22, the drive assembly 23 and the at least one injection device 24 are all arranged on the mounting frame 21, and the mounting frame 21 is used to provide support and positioning for the motor driver 22, the drive assembly 23 and the injection device 24, so that the motor driver 22, the drive assembly 23 and the injection device 24 remain stable. The drive assembly 23 is electrically connected with the motor driver 22, and the drive assembly 23 is controlled by the motor driver 22. The injection device 24 includes a piston rod 241 and an injection part 242, and the piston rod 241 is movably arranged in the injection part 242. The injection part 242 is provided with a liquid inlet 2421 and a liquid outlet 2422, and the liquid inlet 2421 and the liquid outlet 2422 are both in communication with the inside of the injection part 242. The liquid inlet 2421 is used to be connected with a vaccine bottle through a pipeline, so as to supply the vaccine into the injection device 24. The liquid outlet 2422 is connected with the syringe 1 through a pipeline, so that the vaccine in the injection device 24 can be delivered into the syringe 1. The drive assembly 23 is connected with the piston rod 241 of the injection device 24 and drives the piston rod 241 to move. In addition, the syringe 1 is also electrically connected with the motor driver 22 and is controlled by the motor driver 22.

[0028] In actual use, the poultry vaccine device is opened, the syringe 1 is inserted into the skin of poultry, after the syringe 1 senses the insertion, a signal is transmitted to the motor driver 22, and after the motor driver 22 receives the signal, the drive assembly 23 is controlled to start. The drive assembly 23 drives the piston rod 241 of the injection device 24 to move, the vaccine in the injection part 242 is pushed out from the liquid outlet 2422 by the piston rod 241, the vaccine flows into the syringe 1 from the liquid outlet 2422 through the pipeline, and finally the vaccine is injected into the poultry body through the syringe 1, thereby completing the vaccine injection. Since two different vaccines need to be injected at the same time when injecting the vaccine into poultry, in this example, two injection devices 24 are provided, and the liquid inlets 2421 of the two injection devices 24 are respectively connected with a vaccine bottle through a pipeline. During injection, the two injection devices 24 respectively extract the vaccine and deliver it into the syringe 1, and the two vaccines are mixed in the syringe 1 and then injected into the poultry body. In this way, the two vaccines do not need to be mixed by artificial, and the injection efficiency is effectively improved. When the injection is completed, the drive assembly 23 drives the piston rod 241 of the injection device 24 to move, so that the injection device 24 sucks the vaccine in the vaccine bottle, preparing for the next vaccine injection.

[0029] In this example, the control device 2 further includes a shell 27, and the mounting frame 21, the motor driver 22, the drive assembly 23 and the at least one injection device 24 are all arranged in the shell 27, and the shell 27 is used to accommodate and protect the mounting frame 21, the motor driver 22, the drive assembly 23 and the at least one injection device 24.

[0030] In addition, the control device 2 further comprises a touch screen 28, one side of the touch screen 28 is exposed outside the shell 27, and the touch screen 28 is electrically connected with the motor driver 22. The touch screen 28 is used for displaying the running state of the poultry vaccine device and controlling the poultry vaccine device.

[0031] Further, the injection part 242 comprises a bottle body 2423, a first connecting piece 2424 and a second connecting piece 2425, the first connecting piece 2424 and the second connecting piece 2425 are connected to the bottle body 2423 respectively, and the first connecting piece 2424 and the second connecting piece 2425 are communicated with the bottle body 2423 respectively. The liquid outlet 2422 is located at the end of the first connecting piece 2424, and the liquid inlet 2421 is located at the end of the second connecting piece 2425. The piston rod 256 is movably connected with the bottle body 2423. In use, the bottle body 2423 is fixed to the mounting frame 21, the liquid inlet 2421 is connected with the vaccine bottle through a pipeline, and the liquid outlet 2421 is connected with the syringe 1 through a pipeline. By driving the piston rod 256 through the driving assembly 23, the injection device 24 sucks the vaccine from the liquid inlet 2421; by pushing the piston rod 256, the injection device 24 discharges the vaccine from the liquid outlet 2422.

[0032] Please refer to Figure 4 , Figure 4 The driving assembly 23 comprises a driving motor 231 and a transmission plate 232, wherein the driving motor 231 is installed on the mounting frame 21, so that the driving motor 231 remains stable. The transmission plate 232 is connected to the driving end of the driving motor 231, and the driving motor 231 drives the transmission plate 232 to move linearly in the vertical direction. The transmission plate 232 is connected with the piston rod 241 of each injection device 24 respectively, when the driving motor 231 drives the transmission plate 232 to move, the transmission plate 232 drives the piston rod 241 of the injection device 24 to move in the vertical direction, so that the injection device 24 automatically sucks or discharges the vaccine.

[0033] Please continue to refer to Figure 4Further, the control device 2 further comprises a second sensing assembly 26, the second sensing assembly 26 comprises a bracket 261, two second sensors 262 and a second sensing sheet 263. The bracket 261 is mounted on the mounting bracket 21, and the two second sensors 262 are arranged on the bracket 261 in a vertical direction. The second sensing sheet 263 is connected to the transmission plate 232, and the two second sensors 262 are used to sense the second sensing sheet 263, and the two second sensors 262 are located on the moving path of the second sensing sheet 263. The two second sensors 262 and the second sensing sheet 263 are used to limit the movement amount of the driving shaft of the driving motor 231. When the second sensing sheet 263 passes through any one of the second sensors 262, the second sensor 262 sends a signal to the motor driver 22, and the motor driver 22 pauses the driving of the driving motor 231, so that the driving shaft of the driving motor 231 stops moving. In use, the driving shaft of the driving motor 231 extends and drives the transmission plate 232 to move upward in the vertical direction, and when the second sensing sheet 263 passes through the second sensor 262 located above, the second sensor 262 sends a signal to the motor driver 23, and the motor driver 22 pauses the driving of the driving motor 231. The driving end of the driving motor 231 is retracted and drives the transmission plate 232 to move downward in the vertical direction, and when the second sensing sheet 263 passes through the second sensor 262 located below, the second sensor 262 sends a signal to the motor driver 23, and the motor driver 22 pauses the driving of the driving motor 231. In this way, by arranging the second sensors 262 in the vertical direction, and the second sensor 262 located below is used to control the extension amount of the driving motor 231, and the second sensor 262 located above is used to control the retraction amount of the driving motor 231. In this way, by adjusting the positions of the two second sensors 262, the extension amount and the retraction amount of the driving motor 231 can be changed, so as to change the amount of vaccine extracted from the injection part 242.

[0034] Further, the control device 2 further comprises a power supply 25, the power supply 25 is electrically connected with the motor driver 22, and the power supply 25 is used for power supply.

[0035] Please refer to Figure 5 and Figure 6 , Figure 5 is a schematic view of the inside of the injection device, Figure 6Another internal schematic view of the injector. Further, the injector 1 comprises a housing 11, a needle assembly 13, a syringe assembly 14, a first sensing assembly 16 and a movable barrel sleeve 15. Specifically, the housing 11 is provided with a clamping block 12, the clamping block 12 is provided with a clamping position 121, the syringe assembly 14 is partially clamped in the clamping position 121, and the other part extends out of the housing 11, so that the syringe assembly 14 is fixed relative to the housing 11. One end of the needle assembly 13 extends into the housing 11 to connect with the part of the syringe assembly 14 located in the clamping position 121, so that the needle assembly 13 and the syringe assembly 14 are connected with each other and the interiors of the two are communicated with each other. The other end of the needle assembly 13 extends out of one side of the housing 11, facilitating the needle assembly 13 to pierce into the poultry. The movable barrel sleeve 15 comprises a barrel 151 and an elastic member 152, one end of the barrel 151 extends into the housing 11, and the barrel 151 movably sleeves the needle assembly 13. One end of the elastic member 152 abuts against one end of the barrel 151 located in the housing 11, and the other end of the elastic member 152 abuts against the clamping block 12. The first sensing assembly 16 comprises a first sensor 161 and a first sensing sheet 162, the first sensor 161 is installed in the housing 11, the first sensing sheet 162 is connected to the barrel 151, and the first sensor 161 is located on the movable path of the first sensing sheet 162. The first sensor 161 is electrically connected with the motor driver 22, when the first sensor 161 senses the first sensing sheet 162, the first sensor 161 sends a signal to the motor driver 22, and the motor driver 22 controls the driving assembly 23 to start.

[0036] In actual use scenarios, the needle assembly 13 is pierced into the poultry, and one end of the barrel 151 exposed out of the housing 11 abuts against the skin surface of the poultry. As the needle assembly 13 gradually extends into the poultry, the barrel 151 is pushed into the housing 11 under the interaction force of the poultry, and the elastic member 152 is compressed. At this time, the first sensing sheet 162 is driven by the barrel 151 to move towards the first sensor 161. When the first sensor 161 senses the first sensing sheet 162, the first sensor 161 sends a signal to the motor driver 22. After receiving the signal, the motor driver 22 controls the driving assembly 23 to start. The motor driver 22 drives the piston rod 241, so that the injection device 24 discharges the vaccine, the vaccine is sent to the syringe assembly 14 through the pipeline, and then the vaccine flows from the syringe assembly 14 into the needle assembly 13, so that the vaccine is injected into the poultry, thereby completing the injection of the poultry. After the injection is completed, the needle assembly 13 is pulled out of the poultry, the elastic member 152 returns to the original position under the elastic force, and at the same time, the elastic member 152 pushes the barrel 151 to return to the original position.

[0037] Please refer to Figure 3 and Figure 7 , Figure 7The exploded view of the movable sleeve is shown in FIG. 1. The sleeve 151 comprises a sleeve 1511 and an abutting member 1512. The sleeve 1511 is hollow inside and is sleeved on the needle assembly 13. One end of the sleeve 1511 is located inside the housing 11 and the other end of the sleeve 1511 extends out of the housing 11. The abutting member 1512 is connected to the end of the sleeve 1511 inside the housing 11. One end of the elastic member 152 abuts against the abutting member 1512 and the other end of the elastic member 152 abuts against the clamping block 12, so that the movable sleeve 15 can move along the axis elastically and flexibly. One end of the first sensing sheet 162 is connected to the abutting member 1512 and moves with the abutting member 1512.

[0038] When a force is applied to the end of the sleeve 1511 outside the housing 11, the sleeve 1511 drives the abutting member 1512 to press the elastic member 152, and the elastic member 152 is compressed, while the sleeve 1511 is retracted into the housing 11. The first sensing sheet 162 moves in the direction of the first inductor 161 under the drive of the abutting member 1512. When the force applied to the sleeve 1511 is removed, the elastic member 152 restores to its original state under the action of the elastic force, while the elastic member 152 drives the abutting member 1512 and the sleeve 1511 to restore to their original positions, and the first sensing sheet 162 moves away from the first inductor 161 under the drive of the abutting member 1512 and the sleeve 1511.

[0039] Further, the needle assembly 13 comprises a needle 131 and a flow guide 132. The needle 131 is connected to one end of the flow guide 132, and the other end of the flow guide 132 is connected to the needle cylinder assembly 14. The interiors of the needle 131, the flow guide 132 and the needle cylinder assembly 14 are connected in sequence.

[0040] Please refer to Figure 6 The needle cylinder assembly 14 comprises a first needle cylinder 141, a second needle cylinder 142, a connecting member 143 and at least one connecting terminal 144. A part of the second needle cylinder 142 is clamped in the clamping position 121, and the clamping block 12 provides support for the second needle cylinder 142. One end of the first needle cylinder 141 is connected to the needle assembly 13, and the other end of the first needle cylinder 141 is connected to the second needle cylinder 142. The end of the second needle cylinder 142 away from the first needle cylinder 141 is connected to the connecting member 143. The at least one connecting terminal 144 is connected to the connecting member 143, and the other end of the connecting terminal 144 is connected to the liquid outlet 2422 of the injection device 24 through a pipeline. In this example, two connecting terminals 144 are provided. One end of each connecting terminal 144 is connected to the connecting member 143, and the other end of each connecting terminal 144 is connected to the liquid outlet 2422 of the injection device through a pipeline. When two injection devices discharge vaccines and deliver the vaccines to the syringe through the pipeline, the two vaccines enter the connecting member 143 from the two connecting terminals 144, mix in the connecting member 143, flow through the second needle cylinder 142 and the first needle cylinder 141 in sequence, and are finally injected into the poultry through the needle assembly 13.

[0041] Referring to Figure 5 and Figure 6 The syringe 1 further comprises a fine adjustment assembly 17 for controlling the length of the needle assembly 13 penetrating into the poultry. The fine adjustment assembly 17 comprises an adjusting screw 171, an adjusting nut 172 and an adjusting member 173. The adjusting nut 172 is clamped in the housing 11, the adjusting screw 171 is threadedly connected with the adjusting nut 172, and one end of the adjusting screw 171 penetrates out of the housing 11. The adjusting member 173 is connected to the other end of the adjusting screw 171, and the adjusting member 173 is located on the moving path of the movable sleeve 15.

[0042] When the needle assembly 13 is inserted into the poultry, the movable sleeve 15 is forced to retract into the housing 11, the elastic member 152 of the movable sleeve 15 is compressed, and the abutting member 1512 of the movable sleeve 15 is moved towards the adjusting member 173 until the abutting member 1512 touches the adjusting member 173. In this way, the movable sleeve 15 is blocked by the adjusting member 173 and cannot continue to move. In this way, the movement of the movable sleeve 15 is limited by the fine adjustment assembly 17, so that the retraction distance of the movable sleeve 15 is equal each time, that is, the insertion length of the needle assembly 13 is equal. When it is necessary to adjust the insertion length of the needle assembly 13, the adjusting screw 171 is screwed, so that the adjusting screw 171 rotates relative to the adjusting nut 172, and at the same time, the adjusting screw 171 drives the adjusting member 173 to move axially, so that the position of the adjusting member 173 changes. In this way, the movement distance of the movable sleeve 15 is limited by the fine adjustment assembly 17, and the position of the adjusting member 173 is changed by screwing the adjusting screw 171, so that the retraction length of the movable sleeve 15 is adjustable, thereby realizing the adjustable length of the needle assembly 13 penetrating into the poultry.

[0043] The above merely describes the embodiments of the present application, and is not intended to limit the present application. The present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A poultry vaccine injection apparatus, characterized in that, The application relates to an injection device and a control device. The injection device comprises an injection device (1) and a control device (2), wherein the control device (2) comprises a mounting frame (21), a motor driver (22), a driving assembly (23) and at least one injection device (24); the motor driver (22), the driving assembly (23) and at least one injection device (24) are arranged on the mounting frame (21), the motor driver (22) is electrically connected with the driving assembly (23), the injection device (24) comprises a piston rod (241) and an injection part (242), the piston rod (241) is movably arranged in the injection part (242), the injection part (242) is provided with a liquid inlet (2421) and a liquid outlet (2422), the liquid inlet (2421) and the liquid outlet (2422) are both in communication with the inside of the injection part (242); the driving assembly (23) is connected with the piston rod (241) and drives the piston rod (241) to move in the injection part (242); the liquid outlet (2422) is connected with the injection device (1), and the injection device (1) is electrically connected with the motor driver (22).

2. Poultry vaccine injection apparatus according to claim 1, characterised in that, The injection device (1) comprises a shell (11), a needle assembly (13), a needle cylinder assembly (14), a movable cylinder sleeve (15) and a first sensing assembly (16); the shell (11) is provided with a clamping block (12) arranged in the shell (11), and the clamping block (12) is provided with a clamping position (121); the needle cylinder assembly (14) is partially arranged in the shell (11) and clamped in the clamping position (121), and the other part of the needle cylinder assembly (14) extends out of the shell (11) and is connected with the liquid outlet (2422) through a pipeline; one end of the needle assembly (13) extends into the shell (11) and is connected with the needle cylinder assembly (14), the other end of the needle assembly (13) extends out of the shell (11) and is in communication with the inside of the needle cylinder assembly (14); the movable cylinder sleeve (15) comprises a cylinder body (151) and an elastic member (152), one end of the cylinder body (151) extends into the shell (11), and the cylinder body (151) movably sleeves the needle assembly (13) outside; one end of the elastic member (152) abuts against one end of the cylinder body (151) arranged in the shell (11), and the other end of the elastic member (152) abuts against the clamping block (12); the first sensing assembly (16) comprises a first sensor (161) and a first sensing sheet (162), the first sensing sheet (162) is connected with the cylinder body (151), the first sensor (161) is arranged on the movable path of the first sensing sheet (162), and the first sensor (161) is electrically connected with the motor driver (22).

3. Poultry vaccine injection apparatus according to claim 2, wherein, The needle assembly (13) comprises a needle (131) and a flow guide (132), one end of the needle (131) is connected with the flow guide (132), and the needle (131) is connected with the inside of the flow guide (132); one end of the needle (131) away from the flow guide (132) extends out of the shell (11); one end of the flow guide (132) away from the needle (131) is connected with the needle cylinder assembly (14).

4. The poultry vaccine injection apparatus of claim 2, wherein, The needle cylinder assembly (14) comprises a first needle cylinder (141), a second needle cylinder (142), a connecting piece (143) and at least one connecting terminal (144); one end of the first needle cylinder (141) is connected with the needle assembly (13), the other end is connected with the second needle cylinder (142), one end of the second needle cylinder (142) away from the first needle cylinder (141) is connected with the connecting piece (143), and the second needle cylinder (142) is clamped in the clamping position (121); one end of at least one connecting terminal (144) is connected with the connecting piece (143), and the other end is connected with the liquid outlet (2422) through a pipeline.

5. The poultry vaccine injection apparatus of claim 2, wherein, The cylinder body (151) comprises a sleeve (1511) and an abutting piece (1512), the inside of the sleeve (1511) is hollow, the sleeve (1511) is sleeved outside the needle assembly (13), one end of the sleeve (1511) is located in the shell (11), and the other end extends out of the shell (11); the abutting piece (1512) is connected to one end of the sleeve (1511) and located in the shell (11); one end of the elastic piece (152) abuts against the abutting piece (1512), and the other end abuts against the clamping block (12); one end of the first induction sheet (162) is connected to the abutting piece (1512).

6. The poultry vaccine injection apparatus of claim 2, wherein, The syringe (1) further comprises a fine adjustment assembly (17), the fine adjustment assembly (17) comprises an adjusting screw (171), an adjusting nut (172) and an adjusting piece (173); the adjusting nut (172) is arranged in the shell (11); the adjusting screw (171) is threadedly connected with the adjusting nut (172), one end of the adjusting screw (171) penetrates through the shell (11), the adjusting piece (173) is connected to the other end of the adjusting screw (171), and the adjusting piece (173) is located on the moving path of the movable cylinder sleeve (15).

7. The poultry vaccine injection apparatus of claim 1, wherein, The control device (2) further comprises a power supply (25), and the power supply (25) is electrically connected with the motor driver (22).

8. The poultry vaccine injection apparatus of claim 1, wherein, The driving assembly (23) comprises a driving motor (231) and a transmission plate (232); the driving motor (231) is installed on the mounting rack (21), the transmission plate (232) is connected to the driving end of the driving motor (231), and one end of the piston rod (241) is connected with the transmission plate (232).

9. The poultry vaccine injection apparatus of claim 8, wherein, The control device (2) further comprises a second sensing assembly (26), which comprises a bracket (261), two second sensors (262) and a second sensing sheet (263), the bracket (261) is installed on the mounting rack (21), the two second sensors (262) are installed on the bracket (261) at intervals, the second sensing sheet (263) is arranged on the transmission plate (232), and the two second sensors (262) are located on the moving path of the second sensing sheet (263).

10. The poultry vaccine injection apparatus of claim 1, wherein, The control device (2) further comprises a shell (27) and a touch screen (28), the mounting rack (21), the motor driver (22), the driving assembly (23) and at least one injection device (24) are arranged in the shell (27); one side of the touch screen (28) is exposed outside the shell (27), and the touch screen (28) is electrically connected with the motor driver (22).

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