Pinch valve and method for detecting operation of a pinch valve

CN117018342BActive Publication Date: 2026-06-12SHENZHEN ENMIND TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHENZHEN ENMIND TECH CO LTD
Filing Date
2023-07-31
Publication Date
2026-06-12

Smart Images

  • Figure CN117018342B_ABST
    Figure CN117018342B_ABST
Patent Text Reader

Abstract

The application discloses a kind of clamp device and the operation detection method of clamp device, clamp device includes: shell, side wall is equipped with opening through;Springback portion, it is located in shell, springback portion includes opposite first end and second end, first end is located outside shell through opening;Clamping portion, it is located outside shell, and including two clamping jaws, two clamping jaws are driven to clamp or open by drive portion, first end is located between shell and two clamping jaws, first end is used to supply piston handle to abut, two clamping jaws are used to clamp piston handle;Pressure detection module, it is located in shell, and close to second end, second end can extrude pressure detection module, to generate extrusion signal;And, stroke detection module is used to detect the state of the opening or clamping of two clamping jaws, the present application is aimed at to solve the problem that clamp device cannot be self-checked, cannot ensure the state of clamp device.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a tube clamping device and a method for detecting the operation of the tube clamping device. Background Technology

[0002] An injection pump is a device used to fix and move the piston handle of a syringe. The injection pump includes a fixing device, a push-pull rod, and a clamping device. The fixing device secures the syringe and is equipped with a telescopic motor. One end of the push-pull rod is connected to the main shaft of the telescopic motor. The clamping device is located at the other end of the push-pull rod and is used to clamp the piston handle of the syringe. During operation, the syringe is filled with injection fluid and fixed to the fixing device. The piston handle is clamped in the clamping device. The movement of the piston handle is controlled by the extension and retraction of the push-pull rod, thus achieving the purpose of injection.

[0003] Because the injection process is very precise, it is necessary to ensure that each component is functioning properly during the injection process. Currently, the clamping device cannot perform self-testing, and its condition cannot be guaranteed. Summary of the Invention

[0004] The main objective of this invention is to propose a pipe clamping device and a method for detecting the operation of the pipe clamping device, which aims to solve the problem that the pipe clamping device cannot perform self-inspection and cannot ensure the status of the pipe clamping device.

[0005] To achieve the above objectives, the present invention provides a tube clamping device, comprising:

[0006] The shell has an opening extending through its sidewall;

[0007] A spring-loaded portion is disposed within the housing, the spring-loaded portion including a first end and a second end opposite to each other, the first end passing through the opening and located outside the housing;

[0008] A clamping part is provided on the outside of the housing and includes two jaws. The two jaws are driven to clamp or open by a driving part. The first end is located between the housing and the two jaws. The first end is used for the piston handle to abut against the piston handle. The two jaws are used to clamp the piston handle.

[0009] A pressure detection module is disposed within the housing and near the second end, the second end being capable of compressing the pressure detection module to generate a compression signal; and,

[0010] The stroke detection module is used to detect the open or closed state of the two grippers.

[0011] Optionally, it also includes an infrared detection module, installed on the first end, for detecting whether the piston handle abuts against the first end.

[0012] Optionally, it also includes an optical coupler detection module disposed within the housing, wherein the second end is capable of contacting the optical coupler detection module to generate a squeezing signal.

[0013] Optionally, an optical coupling baffle is provided on the second end;

[0014] The optical coupler detection module includes a receiver, which can contact the optical coupler baffle to generate a squeezing signal.

[0015] Optionally, the two grippers include a first gripper and a second gripper. The stroke detection module is installed inside the housing and includes: a driven rod connected to the first gripper, the driven rod rotating as the first gripper rotates; a first detector in contact with the driven rod, capable of generating a signal that the two grippers are clamped; and a second detector in contact with the driven rod, capable of generating a signal that the two grippers are fully open.

[0016] Optionally, the driving unit is disposed within the housing, and the driving unit includes:

[0017] A rotary motor, with its motor base fixed to the housing, and a drive gear mounted on its main shaft;

[0018] Two driven gears are connected to the two grippers respectively, and the two driven gears mesh with each other. The driving gear meshes with one of the driven gears.

[0019] Optionally, the housing may also include an infrared detection module and an optical coupler detection module;

[0020] The housing contains a circuit board, and the drive unit, the pressure detection module, the stroke detection module, the infrared detection module, and the optocoupler detection module are all connected to the circuit board.

[0021] This invention provides a method for detecting the operation of a pipe clamping device, comprising a pipe clamping device including a housing with an opening through the side wall; a spring-loaded portion disposed within the housing, the spring-loaded portion including a first end and a second end opposite to each other, the first end passing through the opening and located outside the housing; a clamping portion disposed outside the housing and including two jaws, the two jaws being driven to clamp or open by a driving portion, the first end being located between the housing and the two jaws, the first end being used for a piston handle to abut against, the two jaws being used to clamp the piston handle; a pressure detection module disposed within the housing and near the second end, the second end being capable of squeezing the pressure detection module to generate a squeezing signal; and a stroke detection module for detecting the open or clamped state of the two jaws. The pipe clamping device further includes an infrared detection module mounted on the first end.

[0022] The operational detection method includes the following steps:

[0023] After the clamping part passes the inspection, the rebound part passes the inspection, and the syringe is loaded into the clamping device, the first squeezing signal generated by the pressure detection module and the blocking signal of the infrared detection module are acquired.

[0024] The operating state of the rebound section is determined based on the first compression signal and the blocking signal.

[0025] Optionally, determining the operating state of the rebound section based on the first compression signal and the blocking signal includes:

[0026] When the first compression signal meets the compression preset condition and the blocking signal meets the blocking preset condition, it is determined that the rebound part is operating normally.

[0027] When the first compression signal does not meet the compression preset condition, while the blocking signal meets the blocking preset condition, the springback section is determined to be malfunctioning.

[0028] Optionally,

[0029] The clamping part passed the inspection, including:

[0030] The drive unit is controlled to operate, thereby causing the two grippers to clamp and fully open, so that the stroke detection module generates a stroke signal;

[0031] If the stroke detection module generates only one of the two gripper signals (either fully open or clamped), it is determined that the clamping part is faulty and the test is unqualified.

[0032] When the stroke detection module generates two of the two gripper signals (either fully open or clamped), it is determined that the clamping part is operating normally and the test is qualified.

[0033] The springback section passed the inspection, including:

[0034] After pressing the first end of the rebound portion, a second compression signal from the pressure detection module is acquired;

[0035] When the second extrusion signal meets the second extrusion preset condition, it is determined that the springback section is operating normally and the test is qualified;

[0036] When the second extrusion signal does not meet the second extrusion preset condition, it is determined that the springback section is malfunctioning and the test is unqualified.

[0037] In the technical solution of this invention, when the clamping device needs to be used, the driving part is driven to clamp and open the two grippers. The stroke detection module is used to detect the opening and clamping states of the two grippers. When the stroke detection module can detect that the two grippers can clamp and fully open, it indicates that the two grippers are not faulty. After the detection of the two grippers is completed, the spring part is pressed. Under the pressure, the second end of the spring part squeezes the pressure detection module. When the pressure detection module generates a squeezing signal, it indicates that the spring part is not faulty. After the detection of the clamping part and the spring part is completed, the clamping device can be used. This invention aims to solve the problem that the clamping device cannot perform self-testing and cannot ensure the status of the clamping device. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0039] Figure 1 An assembly diagram of an embodiment of the clamping device provided by the present invention;

[0040] Figure 2 A structural diagram of the clamping device provided for 1 when clamping the piston handle;

[0041] Figure 3 for Figure 1 Exploded view of the clamping device;

[0042] Figure 4 for Figure 1 A schematic diagram of the circuit board and rotary motor in the diagram;

[0043] Figure 5 for Figure 1 A schematic diagram of the structure of the springback section and the pressure detection module in the middle;

[0044] Figure 6 for Figure 1 A schematic diagram of the clamping part and the stroke detection module in the middle;

[0045] Figure 7 for Figure 1 A cross-sectional view of a portion of the clamping device in the diagram;

[0046] Figure 8 A flowchart of the operation detection method of the clamping device provided by the present invention.

[0047] Explanation of reference numerals in the accompanying drawings of the embodiments provided in this invention:

[0048]

[0049]

[0050] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0051] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0052] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0053] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0054] An injection pump is a device used to fix and move the piston handle of a syringe. The injection pump includes a fixing device, a push-pull rod, and a clamping device. The fixing device secures the syringe and is equipped with a telescopic motor. One end of the push-pull rod is connected to the main shaft of the telescopic motor. The clamping device is located at the other end of the push-pull rod and is used to clamp the piston handle of the syringe. During operation, the syringe is filled with injection fluid and fixed to the fixing device. The piston handle is clamped in the clamping device. The movement of the piston handle is controlled by the extension and retraction of the push-pull rod, thus achieving the purpose of injection.

[0055] Because the injection process is very precise, it is necessary to ensure that each component is functioning properly during the injection process. Currently, the clamping device cannot perform self-testing, and its condition cannot be guaranteed.

[0056] In view of this, the present invention provides a pipe clamping device and a method for detecting the operation of the pipe clamping device, which can perform self-detection to ensure that the pipe clamping device can operate normally. Figures 1 to 8 This is an embodiment of the clamping device provided by the present invention. Figure 8 A flowchart of the operation detection method of the clamping device provided by the present invention.

[0057] In this embodiment of the invention, the clamping device 100 includes a housing 1, a spring-loaded portion 2, a clamping portion 3, a pressure detection module 5, and a stroke detection module 6. The housing 1 has an opening 11 extending through its side wall. The spring-loaded portion 2 is located inside the housing 1 and includes a first end and a second end opposite to each other. The first end passes through the opening 11 and is located outside the housing 1. The clamping portion 3 is located outside the housing 1 and includes two jaws 31. The two jaws 31 are driven to clamp or open by a driving portion 4. The first end is located between the housing 1 and the two jaws 31 and is used for the piston handle to abut against it. The two jaws 31 are used to clamp the piston handle. The pressure detection module 5 is located inside the housing 1 and near the second end. The second end can squeeze the pressure detection module 5 to generate a squeezing signal. The stroke detection module 6 is used to detect the open or closed state of the two jaws 31.

[0058] In the above technical solution, the housing 1 serves a protective function, protecting the entire clamping device 100, and also functions as a container, housing all the components of the clamping device 100 within the housing 1, such as... Figure 3 As shown, the housing 1 has the opening 11, and the spring-loaded part 2 is disposed inside the housing 1. The spring-loaded part 2 includes a first end and a second end opposite to each other. The first end and the second end are not shown in the figures. The first end is the end for contacting the piston handle of the syringe, and the second end is the end for contacting the pressure detection module 5. The clamping part 3 is a structure for clamping the piston handle, as shown in the figures. Figure 2 As shown, the clamping part 3 includes two jaws 31. The two jaws 31 are driven by the driving part 4 to clamp or open. The two jaws 31 cooperate with the spring-back part 2 to limit the piston handle. The piston handle abuts against the first end, and the two jaws 31 clamp the piston handle.

[0059] In the technical solution of the present invention, when the clamping device 100 is needed, the driving part 4 is driven to clamp and open the two grippers 31. The stroke detection module 6 is used to detect the opening and clamping states of the two grippers 31. When the stroke detection module 6 can detect that the two grippers 31 can clamp and fully open, it indicates that the two grippers 31 are not faulty. After the detection of the two grippers 31 is completed, the spring part 2 is pressed. When the spring part 2 is pressed, the second end of the spring part 2 squeezes the pressure detection module 5. When the pressure detection module 5 generates a squeezing signal, it indicates that the spring part 2 is not faulty. After the detection of the clamping part 3 and the spring part 2 is completed, the clamping device 100 can be used. The present invention aims to solve the problem that the clamping device 100 cannot perform self-testing and cannot ensure the status of the clamping device 100.

[0060] The present invention does not limit the specific structure of the spring-loaded part 2. The spring-loaded part 2 is mainly a component that moves into the housing 1 as a whole when pressed and returns to its original position after the pressure is released. For example, it may include a pressing end with an elastic rod, or a rod and a spring.

[0061] In some embodiments, the rebound portion 2 includes a top cap (the first end is formed on the top cap), a bracket, a pressure rod, and a rebound spring. The bracket is disposed between the pressure detection module 5 and the top cap, serving a supporting function. One end of the pressure rod is connected to the side of the top cap away from the first end, and the other end passes through the bracket. The rebound spring is disposed on the bracket and sleeved on the pressure rod, providing a force to the pressure rod to return it to its initial position. When the top cap is pressed, the pressure rod contacts the pressure detection module 5, at which time the rebound spring is subjected to a compressive force. When the pressure on the top cap disappears, the rebound spring causes the top cap to return to its original position.

[0062] Furthermore, in order to further enhance the guiding function, the rebound part 2 also includes a guide rod, which is snapped onto the bracket by a limiting spring, so that the top cap is fitted onto the bracket, forming an integral reset assembly together with the pressure rod.

[0063] Furthermore, a receiving space is formed between the top cap and the bracket on the side near the second end. To prevent foreign objects from entering, a dustproof silicone sealant is provided between the top cap and the bracket to seal the receiving space. Preferably, a steel plate is laid on the dustproof silicone sealant for reinforcement in order to better install the dustproof silicone sealant.

[0064] This application does not limit the specific structure of the clamping part 3 and the driving part 4. The clamping part 3 and the driving part 4 cooperate to clamp the piston handle. For example, the driving part 4 includes two motors, which drive the two grippers 31 to rotate; or the driving part 4 includes one motor, which drives the two grippers 31 to rotate in conjunction with a gear. Preferably, the driving part 4 is located inside the housing 1. The driving part 4 includes: a rotary motor 41, the motor base of which is fixed to the housing 1, and a drive gear 42 on the main shaft; two driven gears 43, which are respectively connected to the two grippers 31. The two driven gears 43 mesh with each other, and the drive gear 42 meshes with one of the driven gears 43. In this way, only one rotary motor 41 is needed to drive the two grippers 31 to rotate, which is simple in structure.

[0065] The travel detection switch is mainly used to detect whether the two grippers 31 can be opened to their maximum position or clamped to their tightest position. Therefore, different types of sensors can be installed inside the housing 1. These sensors can detect when the two grippers 31 are opened to their maximum position and also detect when they are clamped to their minimum position. Figure 6 As shown, preferably, the two grippers 31 include a first gripper 31 and a second gripper 31. The stroke detection module 6 is installed inside the housing 1 and includes: a driven rod 61 connected to the first gripper 31, the driven rod 61 rotating as the first gripper 31 rotates; a first detector 62 in contact with the driven rod 61, capable of generating a signal indicating that the two grippers 31 are clamped; and a second detector 63 in contact with the driven rod 61, capable of generating a signal indicating that the two grippers 31 are fully open. Both the first detector 62 and the second detector 63 can be pressure sensors. When the driven rod 61 contacts them, a contact signal is displayed, which can prove whether the two grippers 31 are fully open or clamped.

[0066] In the technical solution of the present invention, an infrared detection module 7 is also included, which is installed on the first end and is used to detect whether the piston handle is abutting the first end. The infrared detection module 7 is used to detect whether there is a piston handle on the first end. When a piston handle is abutting the first end, the infrared detection module 7 will display an obstruction signal.

[0067] In some technical solutions, an optocoupler detection module 8 is also included, which is located inside the housing 1. The second end can contact the optocoupler detection module 8 to generate a compression signal. The function of the optocoupler is to detect whether a piston handle is abutting the first end. When a piston handle abuts the first end, the movement speed of the rebound part 2 is slowed down, reducing the contact speed between the second end and the pressure detection module 5, thus protecting the pressure detection module 5.

[0068] Specifically, the optical coupler detection module 8 includes a receiver 82, and an optical coupler baffle 81 is provided on the second end. When the piston handle is abutted on the first end, the spring part 2 moves to drive the optical coupler baffle 81 to contact the receiver 82, generating a compression signal. Compared with the pressure detection module 5, the optical coupler detection module 8 is more sensitive and can detect pressure earlier than the pressure detection module 5. After the optical coupler detection module 8 detects the pressure, it facilitates the deceleration of the second end, which plays a role in protecting the pressure detection module 5.

[0069] In the technical solution of the present invention, the housing 1 is further provided with an infrared detection module 7 and an optocoupler detection module 8; the housing 1 is provided with a circuit board 12, and the driving part 4, the pressure detection module 5, the stroke detection module 6, the infrared detection module 7 and the optocoupler detection module 8 are all connected to the circuit board 12. In order to protect the circuit board 12, a reinforcing plate is provided on the side of the circuit board 12 near the second end to enhance its strength, so that the entire circuit board 12 can be directly pressed onto the aforementioned bracket.

[0070] In some embodiments, the circuit board 12 is designed with an FPC flexible cable strip structure, which can adjust the cable length and fix it in sections to avoid bending and damage during operation, making it convenient for later maintenance, disassembly and replacement; the aforementioned rotary motor 41 can also be mounted on the reinforcing plate for easy positioning.

[0071] To improve the precision of the clamping device 100, a silicone cap is designed to be placed on top of the nailing point of each driven gear 43, preventing electrostatic transmission from the metal clamping claw 31 to the top circuit board 12. A nailing structure is designed to separate the housing 1 from the push-pull rod, making future replacement of the entire housing 1 more convenient. The housing 1 is equipped with an anti-static long edge, which effectively isolates static electricity, moisture, and dust.

[0072] This invention provides a method for detecting the operation of a clamping device 100, comprising a clamping device 100, the clamping device 100 including a housing 1 with an opening 11 penetrating through its side wall; a spring-loaded portion 2 disposed within the housing 1, the spring-loaded portion 2 including a first end and a second end opposite to each other, the first end passing through the opening 11 and located outside the housing 1; a clamping portion 3 disposed outside the housing 1 and including two jaws 31, the two jaws 31 being driven to clamp or open by a driving portion 4, the first end being located between the housing 1 and the two jaws 31, the first end being used for a piston handle to abut against, the two jaws 31 being used to clamp the piston handle; a pressure detection module 5 disposed within the housing 1 and near the second end, the second end being able to compress the pressure detection module 5 to generate a compression signal; and a stroke detection module 6 for detecting the open or clamped state of the two jaws 31, the clamping device 100 further including an infrared detection module 7, the infrared detection module 7 being mounted on the first end; the operation detection method includes the following steps:

[0073] S10. After the clamping part 3 passes the test, the rebound part 2 passes the test, and the syringe is loaded into the clamping device 100, the first squeezing signal generated by the pressure detection module 5 and the blocking signal of the infrared detection module 7 are obtained.

[0074] Before using the clamping device 100, it needs to be tested to see if it is normal. Since the clamping device 100 is equipped with the stroke detection module 6, it can be used to detect whether the clamping part 3 can fully open and clamp. If it can fully open and clamp, it proves that the clamping part 3 is qualified. It also needs to detect whether the spring-back part 2 can rebound normally. If it can rebound normally, it proves that the spring-back part 2 is qualified. During the use of the clamping device 100, in order to avoid the situation where the spring-back part 2 is stuck but the syringe is still injecting, it is necessary to detect that the second end has given the first compression signal and that the infrared detection module 7 can detect that the piston handle is abutting against the first end.

[0075] S20. Determine the operating state of the rebound section 2 based on the first compression signal and the blocking signal.

[0076] If both signals are detected, the clamping device 100 is functioning normally, and the syringe can inject normally. If the first squeezing signal cannot be detected, but the blocking signal can be detected, the rebound part 2 is stuck, and forced injection will occur, so injection needs to be stopped immediately. If neither the first detection signal nor the blocking signal can be detected, there is no forced injection, but operation can still be stopped.

[0077] Understandably, determining the operating state of the rebound section 2 based on the first compression signal and the blocking signal includes:

[0078] S11. When the first compression signal meets the compression preset condition and the blocking signal meets the blocking preset condition, it is determined that the springback part 2 is operating normally.

[0079] Because the syringes have different specifications and inject different volumes of liquid, the pressure values ​​given by the piston handle are also different, and the values ​​given by the first squeezing signal are also different. As long as the first squeezing signal meets the preset squeezing conditions, it is considered normal. Similarly, different piston handles have different sizes and give different blocking signals. As long as the blocking value is met, it is acceptable.

[0080] S12. When the first compression signal does not meet the compression preset condition, and the blocking signal meets the blocking preset condition, the springback part 2 is determined to be malfunctioning.

[0081] If both signals are detected, the clamping device 100 is functioning normally, and the syringe can inject normally. If the first squeezing signal cannot be detected, but the blocking signal can be detected, the rebound part 2 is stuck, and forced injection will occur, so injection needs to be stopped immediately. If neither the first detection signal nor the blocking signal can be detected, there is no forced injection, but operation can still be stopped.

[0082] Furthermore, the clamping part 3 passes the inspection, including:

[0083] S1a. Control the operation of the drive unit 4 to drive the two grippers 31 to clamp and fully open, so that the stroke detection module 6 generates a stroke signal;

[0084] S1b. If the stroke detection module 6 generates only one of the two grippers 31 fully open or clamping signals, it is determined that the clamping part 3 is faulty and the test is unqualified.

[0085] S1c. When the stroke detection module 6 generates two of the two gripper 31 fully open or clamping signals, it is determined that the clamping part 3 is operating normally and the test is qualified.

[0086] The springback section 2 passed the inspection, including:

[0087] S1d: After pressing the first end of the rebound part 2, the second compression signal of the pressure detection module 5 is obtained;

[0088] S1e. When the second extrusion signal meets the second extrusion preset condition, it is determined that the springback part 2 is operating normally and the test is qualified.

[0089] S1f: When the second extrusion signal does not meet the second extrusion preset condition, it is determined that the springback part 2 is malfunctioning and the test is unqualified.

[0090] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A method for detecting the operation of a pipe clamping device, comprising the pipe clamping device, characterized in that, The tube clamping device includes: The shell has an opening extending through its sidewall; A spring-loaded portion is disposed within the housing, the spring-loaded portion including a first end and a second end opposite to each other, the first end passing through the opening and located outside the housing; A clamping part is provided on the outside of the housing and includes two jaws. The two jaws are driven to clamp or open by a driving part. The first end is located between the housing and the two jaws. The first end is used for the piston handle to abut against the piston handle. The two jaws are used to clamp the piston handle. A pressure detection module is disposed within the housing and near the second end, the second end being capable of compressing the pressure detection module to generate a compression signal; and, The stroke detection module is used to detect the open or closed state of the two grippers; The clamping device further includes an infrared detection module, which is installed on the first end. The two grippers include a first gripper and a second gripper. The stroke detection module is installed inside the housing and includes: The driven rod is connected to the first gripper, and the driven rod rotates as the first gripper rotates; The first detector, in contact with the driven rod, is capable of generating a signal indicating that the two grippers are clamping; and, The second detector, in contact with the driven rod, is capable of generating a signal indicating that the two grippers are fully open. The operational detection method includes the following steps: After the clamping part passes the inspection, the rebound part passes the inspection, and the syringe is loaded into the clamping device, the first squeezing signal generated by the pressure detection module and the blocking signal of the infrared detection module are acquired. The operating state of the rebound section is determined based on the first compression signal and the blocking signal; Determining the operating state of the rebound section based on the first compression signal and the blocking signal includes: When the first compression signal meets the compression preset condition and the blocking signal meets the blocking preset condition, it is determined that the rebound part is operating normally. When the first compression signal does not meet the compression preset condition, and the blocking signal meets the blocking preset condition, the springback section is determined to be malfunctioning. The clamping part passed the inspection, including: The drive unit is controlled to operate, thereby causing the two grippers to clamp and fully open, so that the stroke detection module generates a stroke signal; If the stroke detection module generates only one of the two gripper signals (either fully open or clamped), it is determined that the clamping part is faulty and the test is unqualified. When the stroke detection module generates two of the two gripper signals (either fully open or clamped), it is determined that the clamping part is operating normally and the test is qualified. The springback section passed the inspection, including: After pressing the first end of the rebound portion, a second compression signal from the pressure detection module is acquired; When the second extrusion signal meets the second extrusion preset condition, it is determined that the springback section is operating normally and the test is qualified; When the second extrusion signal does not meet the second extrusion preset condition, it is determined that the springback section is malfunctioning and the test is unqualified.

2. The method for detecting the operation of the clamping device as described in claim 1, characterized in that, It also includes an optical coupler detection module, which is located inside the housing, and the second end can contact the optical coupler detection module to generate a squeezing signal.

3. The method for detecting the operation of the clamping device as described in claim 2, characterized in that, An optical coupling baffle is provided on the second end; The optical coupler detection module includes a receiver, which can contact the optical coupler baffle to generate a squeezing signal.

4. The method for detecting the operation of the clamping device as described in claim 1, characterized in that, The drive unit is disposed within the housing, and the drive unit includes: A rotary motor, with its motor base fixed to the housing, and a drive gear mounted on its main shaft; Two driven gears are connected to the two grippers respectively, and the two driven gears mesh with each other. The driving gear meshes with one of the driven gears.

5. The method for detecting the operation of the clamping device as described in claim 1, characterized in that, The housing is also equipped with an infrared detection module and an optical coupler detection module; The housing contains a circuit board, and the drive unit, the pressure detection module, the stroke detection module, the infrared detection module, and the optocoupler detection module are all connected to the circuit board.