CN113459005A

CN113459005A - Pen type insulin injector detection pretreatment equipment

Info

Publication number: CN113459005A
Application number: CN202110869885.9A
Authority: CN
Inventors: 贾彧飞; 万敏; 卢健; 姚秀军; 夏杰; 石凯; 马振壬; 李坎园; 林则晨
Original assignee: Shandong Institute Of Medical Device And Drug Packaging Inspection
Current assignee: Shandong Institute Of Medical Device And Drug Packaging Inspection
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-10-01
Anticipated expiration: 2041-07-30
Also published as: CN113459005B

Abstract

The invention discloses a pen-type insulin syringe detection preprocessing driving tool, which belongs to the technical field of medical instrument detection, and structurally comprises a rotating system and a linear motion system, wherein the rotating system is arranged on the linear motion system and can perform linear motion under the action of the linear motion system; the rotating system comprises a chuck, the front side of the chuck is used for clamping the pen-type insulin injector, and the rear side of the chuck is connected with a first rotating driving mechanism; the linear motion system comprises a linear guide rail and a sliding block, the top end of the sliding block is fixedly connected with the rotating system, and the bottom end of the sliding block is movably arranged on the linear guide rail and can move along the linear guide rail. The technical scheme of the invention can drive the pen-type insulin injector to rotate and advance, assist in preprocessing before the injection dosage accuracy inspection, save labor and improve efficiency.

Description

Pen type insulin injector detection pretreatment equipment

Technical Field

The invention relates to the technical field of medical instrument inspection, in particular to a pen-type insulin syringe detection pretreatment device which is particularly suitable for pretreatment before dose accuracy inspection of the pen-type insulin syringe.

Background

The incidence of diabetes has been on the rise year by year in recent years, and the incidence of diabetes is on the youthful trend. With the gradual deepening of people's understanding of diabetes, the important position of insulin for treating diabetes is further determined, the use of insulin is wider, more and more patients use insulin, more and more products of insulin are produced, wherein the use of an insulin injection pen is common because the injection dose is accurate, the operation is simple, and the carrying and the use are convenient.

The pen type insulin injector consists of a dose adjusting button, a pen body, a release button, a guide screw rod, a pen refill frame and a pen cap.

At present, no detection standard of the injection dosage of the pen type insulin syringe exists in China, no literature research of relevant detection systems and methods is found, and the domestic test aiming at the pen type insulin syringe is performed by referring to the standard YY/T0497 of the disposable insulin syringe. However, the standard is simple, the precision requirement of the dosage of the pen type insulin injector cannot be met, and the accuracy and the safety of the pen type insulin injector cannot be ensured. For pen insulin injectors, the international standards ISO 11608-1 and ISO 11608-4 specify that dose accuracy is a term that Needle Injection Systems (NIS) must meet, and therefore, it is quite important for dose accuracy detection of pen insulin injectors.

The inventor finds in many years of work research that before the dose accuracy of the life test is checked, the pen-type insulin injector is preprocessed for the life test, mainly the injection process of the simulated insulin pen is completed, including the rotating process and the pushing process, the simulation action is complex, the simulation frequency needs to reach 1.5 times of the expected use frequency, generally more than 3000 times and 5000 times, the simulation test is stable, the accuracy and the reliability of the check result can be greatly ensured, but if the preprocessing work is completed only manually, the workload is great, the efficiency is low, in addition, the consistency of each time of force is difficult to ensure by manual operation, and the stability and the reproducibility are poor.

Disclosure of Invention

In order to solve the defects in the prior art, the invention aims to provide a pen-type insulin injector detection pretreatment device which can drive the pen-type insulin injector to rotate and advance, assist in pretreatment before injection dosage accuracy inspection, save labor, improve efficiency and ensure stability and reproducibility of a simulation test.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the pen-type insulin syringe detection pretreatment equipment comprises an equipment shell, wherein a working platform is formed outside the equipment shell, a clamping and fixing system and a driving system are arranged on the working platform, and the clamping and fixing system and the driving system are correspondingly arranged in groups one by one;

the clamping and fixing system comprises an upper clamping piece and a lower clamping piece which are mutually butted, grooves which correspond to each other are arranged on the inner sides of the upper clamping piece and the lower clamping piece, a space for accommodating the pen-type insulin injector is formed after the grooves are butted, and a fastening handle for driving the upper clamping piece to move up and down is arranged on the upper clamping piece;

the driving system comprises a rotary driving system and a linear driving system, and the rotary driving system is arranged on the linear driving system and can perform linear motion under the action of the linear driving system;

the rotary driving system comprises a chuck for clamping the pen type insulin injector, the front side of the chuck faces to the clamping and fixing system, and the rear side of the chuck is connected with a first rotary driving mechanism; the linear driving system comprises a linear guide rail and a sliding block, the top end of the sliding block is fixedly connected with the rotary driving system, and the bottom end of the sliding block is movably arranged on the linear guide rail and can move along the linear guide rail.

Furthermore, a control console is arranged at one end of the working platform and comprises a printer and an emergency stop button, an information receiving port of the printer is connected with a communication port of the equipment, and the emergency stop button is a switch arranged in a working circuit of the equipment.

Furthermore, a top plate is arranged above the upper clamping piece, the top plate is connected with the lower clamping piece through one or more guide rods, and the guide rods penetrate through the upper clamping piece and can move along the guide rods; the fastening handle is arranged on the outer side of the upper clamping piece, penetrates through the top plate and forms threaded fit with the top plate, and the tail end of the fastening handle is rotatably connected to the upper clamping piece.

Furthermore, an installation part is arranged on the outer side of the lower clamping piece, the installation part is of a longitudinally arranged plate-shaped structure, and the installation part is installed on the base; the base comprises a transverse plate and a longitudinal plate, the longitudinal plate is positioned on the transverse plate, a screw hole is formed in the longitudinal plate, the longitudinal plate is connected with the mounting part through a threaded connecting piece, and the threaded connecting piece is mounted in the screw hole; be provided with fore-and-aft bar hole on the installation department, threaded connection spare is located the bar is downthehole.

Further, the horizontal board of base is located the inside of equipment casing and installs on the gangbar, be provided with adjustment handle on the gangbar, the vertical board and the adjustment handle that correspond the base on the equipment casing are provided with the bar hole respectively, and the vertical board and the adjustment handle of base stretch out from the bar hole that correspond separately respectively.

Furthermore, a spring is sleeved on the outer side of the guide rod and is positioned between the upper clamping piece and the lower clamping piece; one end of the guide rod is fixedly connected to the top plate, the other end of the guide rod penetrates through the through hole in the lower clamping piece, one end of the guide rod penetrating through the lower clamping piece is provided with threads, and a nut is meshed with the outer side of the lower clamping piece through the threads.

Furthermore, a screw hole is formed in the sliding block, a screw rod is meshed in the screw hole, the axis of the screw rod is parallel to the axis of the linear guide rail, and one end of the screw rod is connected with a second rotary driving mechanism.

Furthermore, a driving chain wheel is installed on an output shaft of the second rotary driving mechanism, a driven chain wheel is installed at one end of the screw rod, and the driving chain wheel and the driven chain wheel are connected through a transmission chain and transmit power.

Furthermore, a nut is meshed at one end of the screw rod far away from the second rotary driving mechanism, a buffer pad is arranged on one side surface of the sliding block facing the nut, the position of the buffer pad corresponds to that of the nut, and the coverage range of the buffer pad is larger than the contact range of the nut and the sliding block.

Furthermore, the middle part of the groove of the lower clamping piece is provided with a sunken auxiliary groove, the inner side of the groove is covered with a cushion pad, and the cushion pad is positioned above the auxiliary groove.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the pre-processing device for detecting the pen type insulin injector, the chuck is arranged to clamp one end of the pen type insulin injector, after the other end of the pen type insulin injector is fixed through the clamping and fixing system, the first rotary driving mechanism can drive the pen type insulin injector to rotate, meanwhile, the linear driving system can drive the pen type insulin injector to do linear motion, the pen type insulin injector is pulled out while rotating, then pushed, manual labor is replaced, pre-processing before injection dosage accuracy detection is assisted, manpower is greatly saved, efficiency is improved, and stability and reproducibility of a simulation test are guaranteed.

2. The pen-type insulin injector detection preprocessing device provided by the invention is provided with the printer, so that the test statistical result can be printed at any time, great convenience is provided for operators, and the data can be conveniently sorted, checked and stored; the emergency stop button is arranged, emergency stop can be achieved when abnormal conditions occur, and use safety is guaranteed.

3. According to the pre-treatment equipment for detecting the pen type insulin injector, the clamping fixing system clamps the pen type insulin injector through the upper clamping piece and the lower clamping piece which are mutually butted, the space for containing the pen type insulin injector is formed after the grooves are butted, the pen type insulin injector can be well positioned, the fastening handle can drive the upper clamping piece to move up and down, fine adjustment can be realized in a thread matching mode, the pre-treatment equipment is suitable for the pen type insulin injectors with different specifications and models, the application range is wide, and the clamping is reliable.

4. According to the pen type insulin injector detection pretreatment equipment disclosed by the invention, the mounting part of the lower clamping piece is convenient for mounting and using the tool, so that the operation is more convenient, the mounting part is of a longitudinal plate-shaped structure and is very convenient to connect with the base, the threaded connecting piece is convenient to assemble and disassemble, the mounting part is provided with the strip-shaped hole, the overlapped part of the mounting part and the base can be conveniently adjusted, the height of the clamped pen type insulin injector is conveniently adjusted, and the use flexibility is high.

5. According to the detection pretreatment equipment for the pen type insulin injector disclosed by the invention, the base is arranged on the linkage rod, and the base and the extending parts of the adjusting handles of the linkage rod are strip-shaped holes, so that the adjusting handles can drive the base to move through the linkage rod, the clamping and fixing system is driven to move, the distance between the clamping and fixing system and the chuck is adjusted, the detection pretreatment equipment is suitable for pen type insulin injectors with different specifications and models, and the use flexibility and the application range are increased.

6. According to the detection pretreatment equipment for the pen-type insulin injector, the spring is sleeved on the outer side of the guide rod, and the spring forms self-adaptive force between the upper clamping piece and the lower clamping piece, so that the clamping tightness is in the most appropriate state, and the damage to the outer part of the pen-type insulin injector is avoided; the guide rod is detachably connected with the lower clamping piece through the threaded member, so that the assembly of a product is facilitated.

7. According to the pen-type insulin injector detection pretreatment equipment disclosed by the invention, the linear driving system is driven in a thread transmission mode, so that the movement precision is high, and the service life is long; the transmission of power is realized between the second rotary driving mechanism and the screw rod through the chain transmission mechanism, so that the accuracy of the transmission ratio is ensured, the transmission chain can be connected with a plurality of chain wheels, the linkage of a plurality of groups of driving systems is realized, and meanwhile, the pretreatment is carried out on a plurality of pen-type insulin injectors before detection, so that the pretreatment efficiency is further improved.

8. According to the pen-type insulin injector detection pretreatment equipment disclosed by the invention, the nut is meshed at one end, far away from the second rotary driving mechanism, of the screw rod of the rotary driving system, and can play a limiting role, so that the stroke of the sliding block is limited, the sliding block is prevented from being separated, and the use reliability of the tool is improved; meanwhile, the nut is used for limiting, so that the assembly is facilitated, and the limiting position can be conveniently adjusted, so that the limiting position of the sliding block is limited, and the flexibility and the application range of the tool are improved.

9. According to the pen-type insulin syringe detection pretreatment equipment disclosed by the invention, the buffer cushion is arranged on one side of the sliding block, which faces to the nut, when the sliding block contacts the nut, the buffer cushion buffers the impact force between the sliding block and the nut, so that the mutual impact surface of the sliding block and the nut is effectively protected, the rigid contact is avoided, the noise in the use process of the tool is reduced, and the service life is prolonged.

10. According to the detection pretreatment equipment for the pen-type insulin injector disclosed by the invention, the sunken auxiliary groove is arranged in the middle of the groove of the lower clamping piece and plays a role in compensating for matching surface errors, so that the surface fitting degree of the groove and the pen-type insulin injector is better; when being provided with the blotter, supplementary groove can compensate the deformation of blotter for inside the deformation part protrusion to supplementary groove, guaranteed the reliability of result of use.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

FIG. 2 is a schematic perspective view of a clamping and fixing system according to an embodiment of the present invention;

FIG. 3 is a schematic front view of a clamping and fixing system according to an embodiment of the present invention;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a right side view of FIG. 3;

FIG. 6 is a schematic perspective view of a driving system according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a linear driving system according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a second linear driving system according to an embodiment of the present invention.

In the figure:

1 an equipment housing;

2, a working platform;

3 clamping and fixing system, 301 upper clamping piece, 302 lower clamping piece, 303 groove, 304 mounting part, 305 top plate, 306 guide rod, 307 fastening handle, 308 spring, 309 nut, 310 base, 311 screw hole, 312 threaded connector, 313 strip-shaped hole, 314 buffer pad and 315 auxiliary groove;

4, a driving system, a 401 chuck, a 402 first rotary driving mechanism, a 403 linear guide rail, a 404 sliding block, a 405 screw rod, a 406 second rotary driving mechanism, a 407 transmission chain, a 408 limiting device, a 409 cushion, a 410 mounting plate and 411 mounting holes;

5 console, 501 printer, 502 emergency stop button;

6 adjusting the handle.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

The first embodiment is as follows:

as shown in fig. 1, the embodiment provides a pen-type insulin syringe detection pretreatment device, which comprises a device housing 1, wherein a working platform 2 is formed outside the device housing 1, a clamping fixing system 3 and a driving system 4 are arranged on the working platform 2, and the clamping fixing system 3 and the driving system 4 are correspondingly arranged in groups one by one.

As shown in fig. 2 to 5, the clamping and fixing system 3 includes an upper clip 301 and a lower clip 302 which are butted with each other, the inner sides of the upper clip 301 and the lower clip 302 are provided with corresponding grooves 303, a space for accommodating the pen-type insulin syringe is formed after the grooves 303 are butted, and the upper clip 301 is provided with a fastening handle 307 for driving the upper clip to move up and down.

The driving system 4 comprises a rotary driving system and a linear driving system, wherein the rotary driving system is mounted on the linear driving system and can perform linear motion under the action of the linear driving system.

As shown in fig. 6, the rotary driving system includes a chuck 401 for holding a pen type insulin syringe, a front side of the chuck 401 faces the holding fixture system 3, and a rear side of the chuck 401 is connected with a first rotary driving mechanism 402; the linear driving system comprises a linear guide rail 403 and a sliding block 404, the top end of the sliding block 404 is fixedly connected with the rotary driving system, and the bottom end of the sliding block 404 is movably installed on the linear guide rail 403 and can move along the linear guide rail 403.

As shown in fig. 1, a console 5 is disposed at one end of the working platform 2, the console 5 includes a printer 501 and an emergency stop button 502, an information receiving port of the printer 501 is connected with a communication port of the device, and the emergency stop button 502 is a switch disposed in a working circuit of the device.

Specifically, the control mainboard of equipment adopts the fx3u mainboard, and the printer receives the national standard code that comes from fx3u mainboard 485 communication port and send and realizes the printing function, and the national standard code is the national standard code among the prior art, mainly has three kinds GB2312, GBK, GB18030 at present. The device shell 1 forms a vertical part at the edge of one side of the working platform 2, so that the part of the device shell 1 for installing the clamping and fixing system 3 and the driving system 4 forms an L-shaped structure, the clamping and fixing system 3 is positioned at the transverse part, and the driving system 4 is positioned at the longitudinal part, thereby facilitating the correspondence of the clamping and fixing system 3 and the driving part 4 on the chuck 401 and facilitating the installation and the positioning of the pen-type insulin injector. The control console 5 is positioned at one end of the L-shaped structure, and the whole equipment is compact in structure.

As shown in fig. 2-5, a top plate 305 is disposed above the upper jaw 301, the top plate 305 and the lower jaw 302 are connected by one or more guide rods 306, the guide rods 306 pass through the upper jaw 301, and the upper jaw 301 can move along the guide rods 306; the fastening handle 307 is arranged on the outer side of the upper clamping piece 301, the fastening handle 307 penetrates through the top plate 305 and forms a threaded fit with the top plate 305, and the tail end of the fastening handle 307 is rotatably connected to the upper clamping piece 301.

In this embodiment, two guide rods 306 are symmetrically disposed, and in other embodiments, the number and distribution of the guide rods 306 can be changed. The fastening handle 307 of this embodiment includes screw rod and hand wheel, and rotatable the being connected on last clamping piece 301 in screw rod bottom, concrete accessible bearing connection, screw rod top installation hand wheel, hand wheel can make the fastening handle 307 more laborsaving when rotating.

A spring 308 is sleeved outside the guide rod 306, and the spring 308 is positioned between the upper jaw 301 and the lower jaw 302. When the upper clamping piece 301 and the lower clamping piece 302 are close to each other, the spring 308 forms a self-adaptive force between the upper clamping piece 301 and the lower clamping piece 302, so that the clamping tightness degree is in the most appropriate state, and the external damage to the pen-type insulin injector is avoided.

In order to facilitate the installation of the clamping and fixing system 3 in the equipment housing 1, an installation part 304 is arranged on the outer side of the lower clamping piece 302, the installation part 304 is a longitudinally arranged plate-shaped structure, and the installation part 304 is installed on a base 310; the base 310 comprises a transverse plate and a longitudinal plate, the longitudinal plate is positioned on the transverse plate, a screw hole 311 is formed in the longitudinal plate, the longitudinal plate is connected with the mounting part 304 through a threaded connecting piece 312, and the threaded connecting piece 312 is mounted in the screw hole 311; the mounting portion 304 is provided with a longitudinal strip-shaped hole 313, and the threaded connecting piece 312 is located in the strip-shaped hole 313.

It can be understood that the mounting portion 304 and the base 310 serve to facilitate mounting of the tool and increase stability of the tool, but the specific structures of the mounting portion 304 and the base 310 are not limited to the structural style described in this embodiment, and in other embodiments, the specific structural style may be changed to achieve the functions of mounting the tool main body and supporting the tool main body. The threaded connection 312 is located within the slotted hole 313. The strip-shaped hole 313 can conveniently adjust the overlapped part of the mounting part 304 and the base 310, thereby conveniently adjusting the height of the clamped pen-type insulin syringe and having high use flexibility.

In order to facilitate the assembly of the tool, one end of the guide rod 306 is fixedly connected to the top plate 305, the other end of the guide rod 306 passes through the through hole of the lower clip 302, one end of the guide rod 306 passing through the lower clip 302 is provided with a thread, and a nut 309 is engaged with the outer side of the lower clip 302 through the thread. After the nut 309 is unscrewed, the upper clip 301 and the lower clip 302 can be detached, so that maintenance and partial part replacement are facilitated.

In order to protect the surface of the clamped pen-type insulin syringe and effectively avoid the surface of the pen-type insulin syringe from being damaged due to clamping force, the inner side of the groove 303 is covered with a buffer 314. Specifically, the cushion 314 may be a silicone pad, and the cushion 314 also increases friction between the upper clip 301 and the lower clip 302 and the held pen-type insulin syringe, so that it is not easily displaced.

In this embodiment, a depressed auxiliary groove 315 is formed in the middle of the groove 303 of the lower clip 302, and the buffer 314 is located above the auxiliary groove 315. When the buffer pad 314 is not arranged, the auxiliary groove 315 plays a role of compensating for a matching surface error, so that the surface conformity of the groove 303 and the pen-type insulin syringe is better; when the buffer pad 314 is provided, the auxiliary groove 315 can compensate for the deformation of the buffer pad 314, so that the deformed portion protrudes into the auxiliary groove 315, ensuring a reliable use effect.

The horizontal board of base 310 is located the inside of equipment casing 1 and installs on the gangbar, be provided with adjustment handle 6 on the gangbar, the vertical board that corresponds base 310 on the equipment casing 1 and adjustment handle 6 are provided with the bar hole respectively, and the vertical board of base 310 and adjustment handle 6 stretch out from the bar hole that corresponds separately respectively.

Adjusting handle 6 can adopt the threaded rod that has the hand wheel, set up on the gangbar and supply the threaded rod to pass and with the screw of threaded rod meshing, twist adjusting handle 6, can realize the locking and the release of gangbar position, for example unscrew adjusting handle 6, make the threaded rod bottom break away from equipment casing 1, can adjust the distance between centre gripping fixed system 3 and the actuating system 4 through the gangbar, in order to adapt to the pen type insulin syringe of different models, after the distance adjustment is suitable, screw up adjusting handle 6, make it fix on the bottom surface of equipment casing 1, with the rigidity of centre gripping fixed system 3.

The structure of the driving system 4 is shown in fig. 5, in this embodiment, the cross section of the slider 404 is i-shaped, two sides of the lower edge of the i-shaped slider protrude to be convenient for matching with the linear guide rail 403, the linear guide rail 403 is configured into a groove shape with two sides bent inwards, and the slider 404 is sleeved in the linear guide rail 403.

As shown in fig. 7, the slider 404 is provided with a screw hole, a screw 405 is engaged in the screw hole, an axis of the screw 405 is parallel to an axis of the linear guide 403, and one end of the screw 405 is connected to a second rotary driving mechanism 406. The I-shaped slider 404 has a larger area in the middle and is suitable for the screw 405 to pass through. When the second rotary driving mechanism 406 drives the screw 405 to rotate, the slider 404 is restricted by the linear guide 403 and does not rotate along with the screw 405, so that the slider 404 moves along the linear guide 403 under the action of the screw transmission, thereby driving the first rotary driving mechanism 402 and the chuck 401 to move.

The first rotary drive mechanism 402 may be a servo motor, and the second rotary drive mechanism 406 may be a forward-reverse stepping motor.

In order to reliably limit the stroke of the slider 404, the end of the screw 405 remote from the second rotary drive mechanism 406 is engaged with a nut 408, and when the slider 404 moves to the position of the nut 408, the nut 408 blocks the slider 404 from further movement, thereby limiting the stroke of the slider 404. The nut 408 meshed on the screw 405 is limited, so that the assembly is facilitated, and the position of the nut 408 can be conveniently adjusted, so that the limit position of the sliding block 404 is limited, and the flexibility and the application range of the tool are improved.

A buffer 409 is arranged on one side of the sliding block 404 facing the nut 408, the position of the buffer 409 corresponds to that of the nut 408, and the coverage area of the buffer 409 is larger than the contact area of the nut 408 and the sliding block 404. The blotter 409 can be for the rubber packing pad structure or cushion such as felt pad that set up around the screw, and when slider 404 contact nut 408, the impact dynamics between the two is cushioned to the blotter 409, effectively protects the surface of slider 404 and the mutual striking of nut 408, avoids the rigidity contact, has reduced the noise in the frock use, has prolonged life.

In this embodiment, the jack catch of chuck 401 is the plastics material, and the clamping face of chuck 401 jack catch is the arcwall face. Compared with a metal material, the clamping jaw made of a plastic material is softer when being contacted with a tested piece, so that the surface of the pen-type insulin injector is prevented from being damaged; the clamping face of the clamping jaw is an arc-shaped face and is matched with the surface of the pen type insulin injector, so that the clamping of the pen type insulin injector is more reliable and stable, meanwhile, the contact area between the clamping jaw and the surface of the pen type insulin injector is increased, the pressure intensity of the clamped part is reduced, and the clamped part is prevented from being damaged.

In order to facilitate the installation of the tool, the bottom of the first rotary driving mechanism 402 is symmetrically provided with a mounting plate 410, and the mounting plate 410 is provided with a mounting hole 411.

The chuck 401 of the present invention is an automatic chuck of the prior art, and may be an electric chuck or a pneumatic chuck, and preferably is a three-jaw chuck.

During the use, through the centre gripping fixing system 3 with the one end centre gripping of pen type insulin syringe fixed, specifically, place the one end of pen type insulin syringe between last clamping piece 301 and lower clamping piece 302, then twist and move fastening handle 307, under the effect of fastening handle 307 and roof 305 screw-thread fit, fastening handle 307 can move down in the rotatory while, because last clamping piece 301 receives the restriction of guide bar 306, can't rotate, consequently last clamping piece 301 can only move down for last clamping piece 301 presss from both sides the pen type insulin syringe with lower clamping piece 302 jointly. The mounting part 304 can be moved up and down by the bar hole 313 to fix the pen type insulin pump to a proper height.

The one end of pen type insulin syringe is fixed the back, other end through chuck 401 with pen type insulin syringe grasps, first rotary driving mechanism 402 can drive chuck 401 rotatory, thereby it is rotatory to drive pen type insulin syringe, linear drive system can drive rotary driving system rectilinear movement simultaneously, and then drive pen type insulin syringe and carry out rectilinear movement, realize that pen type insulin syringe pulls out in the rotatory while, pull out to setting for the position after, the jack catch on the chuck 401 loosens, then linear drive system drive chuck 401 removes to impel and resets, the jack catch on the chuck 401 after the propulsion resets is once more with pen type insulin syringe clip. The operations of rotating and pulling out and pushing in are repeated to set times, and the pretreatment before the dose accuracy test of the pen-type insulin syringe is completed. The tool disclosed by the invention replaces manual labor, assists in preprocessing before the injection dosage accuracy inspection, greatly saves manpower and improves efficiency.

When the pen type insulin syringe is removed, the jaws of the chuck 401 are loosened, and the fastening handle 307 is twisted in the opposite direction.

Example two:

the same features of this embodiment and the first embodiment are not repeated, and the different features of this embodiment and the first embodiment are that, as shown in fig. 8, in this embodiment, a driving sprocket is installed on the output shaft of the second rotary driving mechanism 406, a driven sprocket is installed at one end of the screw 405, and the driving sprocket and the driven sprocket are connected and power transmission is realized through a transmission chain 407.

In this embodiment, the transmission of power between the second rotary driving mechanism 406 and the screw 405 is realized through a chain transmission mechanism, which not only ensures the accuracy of the transmission ratio, but also ensures that the transmission chain can be connected with a plurality of chain wheels, thereby realizing the linkage of a plurality of groups of driving systems 4, and simultaneously, the pretreatment before the detection is performed on a plurality of pen-type insulin injectors, thereby further improving the efficiency of the pretreatment.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.

Claims

1. The pen-type insulin syringe detection pretreatment equipment is characterized by comprising an equipment shell (1), wherein a working platform (2) is formed outside the equipment shell (1), a clamping and fixing system (3) and a driving system (4) are arranged on the working platform (2), and the clamping and fixing system (3) and the driving system (4) are correspondingly arranged in groups one by one;

the clamping and fixing system (3) comprises an upper clamping piece (301) and a lower clamping piece (302) which are mutually butted, grooves (303) which correspond to each other are arranged on the inner sides of the upper clamping piece (301) and the lower clamping piece (302), a space for containing a pen-type insulin syringe is formed after the grooves (303) are butted, and a fastening handle (307) for driving the upper clamping piece (301) to move up and down is arranged on the upper clamping piece;

the driving system (4) comprises a rotary driving system and a linear driving system, and the rotary driving system is mounted on the linear driving system and can perform linear motion under the action of the linear driving system;

the rotary driving system comprises a chuck (401) used for clamping a pen type insulin injector, the front side of the chuck (401) faces to the clamping fixing system (3), and the rear side of the chuck (401) is connected with a first rotary driving mechanism (402); the linear driving system comprises a linear guide rail (403) and a sliding block (404), the top end of the sliding block (404) is fixedly connected with the rotary driving system, and the bottom end of the sliding block (404) is movably mounted on the linear guide rail (403) and can move along the linear guide rail (403).

2. The pen type insulin injector test preprocessing device according to claim 1, characterized in that a console (5) is arranged at one end of the working platform (2), the console (5) comprises a printer (501) and an emergency stop button (502), an information receiving port of the printer (501) is connected with a communication port of the device, and the emergency stop button (502) is a switch arranged in a working circuit of the device.

3. The pen type insulin syringe testing pretreatment device according to claim 1, wherein a top plate (305) is provided above the upper jaw (301), the top plate (305) and the lower jaw (302) are connected by one or more guide bars (306), the guide bars (306) pass through the upper jaw (301) and the upper jaw (301) can move along the guide bars (306); the fastening handle (307) is arranged on the outer side of the upper clamping piece (301), the fastening handle (307) penetrates through the top plate (305) and forms threaded fit with the top plate (305), and the tail end of the fastening handle (307) is rotatably connected to the upper clamping piece (301).

4. The pen type insulin injector test preconditioning device according to claim 1, wherein a mounting part (304) is provided at an outer side of the lower jaw (302), the mounting part (304) is a plate-shaped structure arranged in a longitudinal direction, and the mounting part (304) is mounted on a base (310); the base (310) comprises a transverse plate and a longitudinal plate, the longitudinal plate is positioned on the transverse plate, a screw hole (311) is formed in the longitudinal plate, the longitudinal plate is connected with the mounting part (304) through a threaded connecting piece (312), and the threaded connecting piece (312) is mounted in the screw hole (311); be provided with fore-and-aft bar hole (313) on installation department (304), threaded connection spare (312) are located in bar hole (313).

5. The pen type insulin injector testing pretreatment device according to claim 4, wherein the transverse plate of the base (310) is located inside the device housing (1) and is installed on a linkage rod, the linkage rod is provided with an adjusting handle (6), the longitudinal plate and the adjusting handle (6) of the device housing (1) corresponding to the base (310) are respectively provided with a strip-shaped hole, and the longitudinal plate and the adjusting handle (6) of the base (310) respectively extend out of the respective strip-shaped holes.

6. The pen type insulin injector test preconditioning device according to claim 3, wherein a spring (308) is sleeved outside the guide bar (306), the spring (308) is positioned between the upper jaw (301) and the lower jaw (302); one end of the guide rod (306) is fixedly connected to the top plate (305), the other end of the guide rod (306) penetrates through a through hole in the lower clamping piece (302), one end, penetrating through the lower clamping piece (302), of the guide rod (306) is provided with threads, and a nut (309) is meshed with the outer side of the lower clamping piece (302) through the threads.

7. The pen type insulin injector test preconditioning device according to claim 1, wherein a screw hole is provided on the slider (404), a screw rod (405) is engaged inside the screw hole, an axis of the screw rod (405) is parallel to an axis of the linear guide (403), and one end of the screw rod (405) is connected with a second rotary driving mechanism (406).

8. The pen type insulin injector test preconditioning device according to claim 7, wherein a driving sprocket is installed on the output shaft of the second rotary driving mechanism (406), a driven sprocket is installed on one end of the screw (405), and the driving sprocket and the driven sprocket are connected and power is transmitted through a transmission chain (407).

9. The pen type insulin injector test preprocessing device according to claim 7, wherein one end of the screw (405) far away from the second rotary driving mechanism (406) is engaged with a nut (408), a buffer (409) is provided on one side of the slider (404) facing the nut (408), the position of the buffer (409) corresponds to the nut (408), and the coverage of the buffer (409) is larger than the contact range of the nut (408) and the slider (404).

10. The pen type insulin syringe testing pretreatment device according to claim 1, wherein a depressed auxiliary groove (315) is provided at the center of the groove (303) of the lower jaw (302), the inner side of the groove (303) is coated with a buffer pad (314), and the buffer pad (314) is positioned above the auxiliary groove (315).