CN110834470A - Outer cylinder scale printing device for medical injector - Google Patents

Outer cylinder scale printing device for medical injector Download PDF

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Publication number
CN110834470A
CN110834470A CN201911215746.3A CN201911215746A CN110834470A CN 110834470 A CN110834470 A CN 110834470A CN 201911215746 A CN201911215746 A CN 201911215746A CN 110834470 A CN110834470 A CN 110834470A
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CN
China
Prior art keywords
cavity
clamping
printing
cylinder
conveying
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Granted
Application number
CN201911215746.3A
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Chinese (zh)
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CN110834470B (en
Inventor
吴培栋
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Yongkang Turen Printing Technology Co Ltd
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Yongkang Turen Printing Technology Co Ltd
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Priority to CN201911215746.3A priority Critical patent/CN110834470B/en
Publication of CN110834470A publication Critical patent/CN110834470A/en
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Publication of CN110834470B publication Critical patent/CN110834470B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F17/00Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/08Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
    • B41F17/14Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2207/00Methods of manufacture, assembly or production
    • A61M2207/10Device therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00Printing machines of special types or for particular purposes
    • B41P2217/50Printing presses for particular purposes

Abstract

The invention discloses a scale printing device for an outer cylinder of a medical injector, which comprises a printing box, wherein a power cavity with an upward opening is arranged in the printing box, a conveying device for conveying the outer cylinder of the syringe is arranged in the power cavity, two groups of injection cylinder clamps which are symmetrically distributed from left to right are arranged on the conveying device, and each group is provided with eight syringe clamps which are used for clamping and fixing the outer cylinder of the syringe, a fixing plate is fixedly connected on the end face of the right side of the power cavity, a release device is arranged on the fixing plate, the invention utilizes the cylinder printing technology to print the scales of the outer cylinder of the injector, has higher printing efficiency, and utilizes the self-centering clamp to improve the fixing precision of the outer cylinder, thereby improving the printing precision.

Description

Outer cylinder scale printing device for medical injector
Technical Field
The invention relates to the technical field of printing, in particular to a scale printing device for an outer cylinder of a medical injector.
Background
The medical injector consists of a syringe with a small hole at the front end and a piston core rod matched with the syringe, and is used for injecting a small amount of liquid or gas into an area which cannot be accessed by other methods or extracting the liquid or the gas from the area, when the core rod is pulled out, the liquid or the gas is sucked from the small hole at the front end of the syringe, when the core rod is pushed in, the liquid or the gas is extruded out, the scales of the outer cylinder of the injector are generally printed by utilizing a screen printing technology or a transfer printing technology, the screen printing has the defects of low speed, personnel operation and adjustment in the printing process, easy abrasion and damage of the screen and the like, the transfer printing precision is low, the requirements of the scale printing of the injector are not easily met, the printing efficiency of the cylinder printing is high, the progress is good, but the scale printing of the outer cylinder.
Disclosure of Invention
The technical problem is as follows: the printing efficiency of the prior syringe outer cylinder printing equipment is lower.
In order to solve the problems, the embodiment designs a scale printing device for the outer cylinder of the medical injector, which comprises a printing box, wherein a power cavity with an upward opening is arranged in the printing box, a conveying device for conveying the outer cylinder of the medical injector is arranged in the power cavity, two groups of injection cylinder clamps which are symmetrically distributed from side to side are arranged on the conveying device, each group comprises eight injection cylinder clamps, the injection cylinder clamps are used for clamping and fixing the outer cylinder of the injector, each injection cylinder clamp comprises a clamp box arranged on the conveying device, a clamping cavity with an opening facing to one side of a symmetric center is arranged in the clamp box, the opening of the clamping cavity faces upwards and downwards, two clamping blocks which are symmetric from front to back are slidably connected on the inner wall of one side of the clamping cavity far away from the symmetric center, and the clamping surfaces of the clamping blocks are arc surfaces, therefore, the outer barrel of the syringe can be centered and clamped, a clamping spring is connected between the inner walls of the clamping cavities on the side far away from the symmetry center, push rods are fixedly connected to the end faces of the upper sides of the clamping blocks, a sliding cavity is arranged in the clamp box on the side far away from the symmetry center of the clamping cavities, the syringe clamp enables the clamping blocks to clamp and fix the outer barrel of the syringe through the elasticity of the clamping springs, a fixing plate is fixedly connected to the end face of the right side of the power cavity, a releasing device is arranged on the fixing plate and used for releasing the clamping and fixing of the outer barrel after printing by the clamping blocks, the releasing device comprises a cross rod fixedly connected to the end face of the left side of the fixing plate, a lifting cylinder is fixedly connected to the cross rod, a lifting cavity is arranged in the lifting cylinder, a piston is slidably connected to the lifting cavity, and a lifting rod extending downwards, the lifting rod extends downwards to the outside of the end face of the lifting cavity, a printing device located on the front side of the releasing device is arranged in the power cavity, and the printing device is used for printing the outer cylinder of the injector.
Preferably, the conveying device comprises a conveying shaft which is rotatably connected to the inner wall of the right side of the power cavity and extends leftwards, the conveying shaft is fixedly connected with conveying belt wheels, two conveying belts which are bilaterally symmetrical are connected between the two conveying belt wheels, two groups of injection tube fixtures are respectively distributed on the circumferential end faces of the two conveying belts in an annular array manner, the volume of the injection tube fixture on the left side is smaller than that of the injection tube fixture on the right side, the injection tube fixture on the left side is used for clamping and fixing the small end of the outer cylinder of the injector, the injection tube fixture on the right side is used for clamping and fixing the large end of the outer cylinder of the injector, the conveying shaft on the front side is in power connection with a conveying motor which is fixedly connected to the inner wall of the right side of the power cavity, the conveying, the front side conveying axle extends to left vice acceleration rate incasement and energy band move vice acceleration rate case work, vice acceleration rate incasement rotation is connected with and extends to left vice acceleration rate axle outside vice acceleration rate case terminal surface, the epaxial fixedly connected with of vice acceleration rate is located the left band pulley of vice acceleration rate case, fixedly connected with acceleration rate case on the inner wall of power chamber right side, the rear side conveying axle extends to right in the acceleration rate incasement and energy band move acceleration rate case work, the acceleration rate incasement rotation is connected with and extends to left the acceleration rate axle of power intracavity, just the acceleration rate axle is located the rear side the front side of conveying axle.
Preferably, a sliding plate is slidably connected in the sliding cavity, a compression spring is connected between the sliding plate and the inner wall of the sliding cavity on the side far away from the symmetry center, two bolts which are symmetrical front and back are fixedly connected on the end surface of the left side of the sliding plate, the bolts can extend leftwards into the clamping cavity, a pin hole with an opening facing to the side far away from the symmetry center is arranged in the clamping cavity, the bolts can extend into the pin holes and abut against the pin holes so as to limit the clamping block to move forwards and backwards, a gear is fixedly connected on the end surface of the sliding plate on the side close to the symmetry center, the gear extends into the clamping cavity on the side close to the symmetry center, an inclined plane push plate positioned in the clamping cavity is fixedly connected on the gear, an adjusting box is fixedly connected on the circumferential end surface of the conveying belt, and a trapezoidal block, the adjusting box is internally provided with an adjusting cavity, the adjusting cavity is close to a nut with an opening facing left on the inner wall on one side of the symmetric center, the adjusting cavity is far away from the inner wall on one side of the symmetric center and is rotatably connected with a screw rod, the screw rod extends towards one side of the symmetric center, the screw rod is fixedly connected with a bevel gear, the screw rod is connected with the nut in a sliding mode, the nut extends towards one side of the symmetric center, the end surface of the adjusting cavity is out of the end surface of the adjusting cavity, the end surface of the left side of the nut is connected with the end surface of the right side of the clamp box in a rotating mode, the inner wall of the front side of the adjusting cavity is rotatably connected with a rotating shaft extending forwards and backwards, the rotating shaft is fixedly connected with an auxiliary bevel gear.
Preferably, the lifting rod is fixedly connected with a lifting plate which is positioned outside the lower end face of the lifting cavity, the lower end face of the lifting plate is fixedly connected with four centrosymmetric wedge blocks, the wedge blocks can be abutted against the push rod, a compression spring is connected between the piston and the lower end inner wall of the lifting cavity, the fixing plate is fixedly connected with an air storage tank on the left end face, the air storage tank is provided with a pressure release valve, the air storage tank is communicated with the lifting cavity and is connected with an air passage pipe, the air passage pipe is provided with a valve body which is fixedly connected onto the lower end face of the cross rod, a valve body cavity which is communicated with the air passage pipe is arranged in the valve body, the inner wall on the left side of the valve body cavity is provided with an exhaust hole with an opening facing to the left, the exhaust hole is positioned on the air passage pipe, the valve body cavity is slidably connected with a valve, the case can make the gas circuit pipe left and right sides does not communicate with each other, even the gas storage tank with the lift chamber does not communicate with each other, fixedly connected with downwardly extending on the case downside terminal surface to the driven lever outside the valve body chamber terminal surface, the driven lever can with trapezoidal piece butt, fixedly connected with is located on the power chamber downside inner wall the left air pump of acceleration rate case, conveying motor slide opening extends to left just can drive in the air pump work, the air pump with communicate with each other between the gas storage tank and be connected with the gas-supply pipe.
Preferably, the printing device comprises a conveying motor which is arranged in the power cavity and positioned on the front side of the lifting cylinder, the opening of the conveying motor is upward, the conveying motor is used for storing printing ink, two air pumps which are symmetrical up and down are rotatably connected to the inner wall of the left side of the conveying motor, the air pumps extend to the outside of the end surface of the conveying motor rightwards, the air pumps on the upper side extend to the outside of the end surface of the conveying motor leftwards, gears which are positioned on the outside of the end surface of the right side of the air pumps are fixedly connected to the air pumps on the lower side in a meshed mode, ink rollers are fixedly connected to the air pumps on the lower side, printing rubber rollers are fixedly connected to the air pumps on the upper side and abutted against the ink rollers, the printing rubber rollers are positioned on the lower side of the trapezoidal block, and auxiliary belt wheels which are positioned on, the auxiliary belt wheel with be connected with the V area between the band pulley, because vice acceleration rate case acceleration rate effect makes the rubber printing roll with the ink roller rotational speed is far higher than the band pulley rotational speed to can print the syringe urceolus at syringe urceolus backward movement in-process.
The invention has the beneficial effects that: eight groups of injector outer cylinder clamping mechanisms are distributed on the conveying belt mechanism in an annular array manner, the clamping mechanisms can rapidly center and clamp and fix the injector outer cylinder, the fixing precision of the injector outer cylinder is improved through automatic centering and clamping, so that the scale printing precision can be improved, the injector outer cylinder is printed through the roller printing mechanism, the conveying belt mechanism is linked with the roller printing mechanism through the transmission mechanism, the rotating speed of the roller is far higher than the speed of the conveying belt for conveying the injector outer cylinder, the injector outer cylinder can be driven to rotate during roller printing, so that the scale printing is finished, the clamping mechanism automatically releases the injector outer cylinder through the releasing mechanism after the printing is finished, and then the injector outer cylinder falls to a storage place for storage, so that the invention utilizes the roller printing technology to carry out the scale printing of the injector outer cylinder, has higher printing efficiency, utilizes the, thereby improving printing accuracy.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall structure of a scale printing device for the outer cylinder of a medical injector according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 2;
FIG. 5 is an enlarged view of the structure at "D" of FIG. 1;
FIG. 6 is an enlarged view of the structure at "E" of FIG. 2;
FIG. 7 is an enlarged view of the structure at "F" of FIG. 6;
FIG. 8 is a schematic view of the structure in the direction "G-G" of FIG. 3;
fig. 9 is an enlarged schematic view of the structure at "H" of fig. 2.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 9, and for the sake of convenience of description, the following orientations will be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a scale printing device for an outer cylinder of a medical injector, which is mainly applied to printing, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a scale printing device for an outer cylinder of a medical injector, which comprises a printing box 11, wherein a power cavity 12 with an upward opening is arranged in the printing box 11, a conveying device 101 for conveying the outer cylinder of the injector is arranged in the power cavity 12, two groups of injection cylinder clamps 102 which are symmetrically distributed from left to right are arranged on the conveying device 101, each group is provided with eight injection cylinder clamps 102, the injection cylinder clamps 102 are used for clamping and fixing the outer cylinder of the injector, each injection cylinder clamp 102 comprises a clamp box 17 arranged on the conveying device 101, a clamping cavity 42 with an opening facing to one side of a symmetric center is arranged in the clamp box 17, the opening of the clamping cavity 42 is upward and downward, two clamping blocks 44 which are symmetric from front to back are slidably connected on the inner wall of the clamping cavity 42 far away from the symmetric center, the clamping surfaces of the clamping blocks 44 are arc surfaces, so that the, the clamping block 44 is connected between the inner walls of the clamping cavity 42 far away from the symmetry center, a clamping spring 45 is connected between the inner walls of the clamping cavity 42 far away from the symmetry center, a push rod 43 is fixedly connected on the upper end face of the clamping block 44, a sliding cavity 58 located on the side of the clamping cavity 42 far away from the symmetry center is arranged in the clamp box 17, the syringe clamp 102 enables the clamping block 44 to clamp and fix the syringe outer cylinder through the elastic force of the clamping spring 45, a fixing plate 29 is fixedly connected on the end face of the right side of the power cavity 12, a release device 103 is arranged on the fixing plate 29, the release device 103 is used for releasing the clamping and fixing of the clamping block 44 on the outer cylinder after printing is completed, the release device 103 comprises a cross rod 26 fixedly connected on the end face of the left side of the fixing plate 29, a lifting cylinder 24 is fixedly connected on the, a lifting rod 20 extending downwards is fixedly connected to the end face of the lower side of the piston 23, the lifting rod 20 extends downwards to the outside of the end face of the lifting cavity 22, a printing device 104 located on the front side of the releasing device 103 is arranged in the power cavity 12, and the printing device 104 is used for printing the outer cylinder of the syringe.
Advantageously, the transfer device 101 comprises a transfer shaft 15 rotatably connected to the inner wall of the right side of the power chamber 12 and extending leftwards, a transfer belt wheel 13 is fixedly connected to the transfer shaft 15, two bilaterally symmetrical transfer belts 14 are connected between the two transfer belt wheels 13, two sets of syringe clamps 102 are respectively distributed on the circumferential end faces of the two transfer belts 14 in a circumferential array manner, the syringe clamp 102 on the left side has a smaller volume than the syringe clamp 102 on the right side, the syringe clamp 102 on the left side is used for clamping and fixing the small end of the outer cylinder of the injector, the syringe clamp 102 on the right side is used for clamping and fixing the large end of the outer cylinder of the injector, the transfer motor 36 fixedly connected to the inner wall of the right side of the power chamber 12 is dynamically connected to the transfer shaft 15 on the front side, the transfer shaft 15 on the front side extends leftwards to the outside of the end face of, the front transmission shaft 15 extends leftwards into the auxiliary speed increasing box 66 and can drive the auxiliary speed increasing box 66 to work, an auxiliary speed increasing shaft 67 extending leftwards to the outside of the end face of the auxiliary speed increasing box 66 is connected in the auxiliary speed increasing box 66 in a rotating way, the auxiliary speed increasing shaft 67 is fixedly connected with a belt wheel 37 positioned at the left side of the auxiliary speed increasing box 66, a speed increasing box 33 is fixedly connected on the inner wall of the right side of the power cavity 12, the transmission shaft 15 at the rear side extends rightwards into the speed increasing box 33 and can drive the speed increasing box 33 to work, a speed increasing shaft 35 extending leftwards into the power cavity 12 is rotatably connected to the speed increasing box 33, the speed increasing shaft 35 is positioned at the front side of the transmission shaft 15 at the rear side, the conveying motor 36 drives the conveying shaft 15 at the front side to rotate, and the conveying shaft 15 at the front side drives the conveying belt 14 to rotate, so that the outer barrel of the conveying injector can move.
Advantageously, a sliding plate 60 is slidably connected in the sliding chamber 58, a compression spring 59 is connected between the sliding plate 60 and the inner wall of the sliding chamber 58 on the side away from the center of symmetry, two pins 61 symmetrical front and back are fixedly connected to the left end surface of the sliding plate 60, the pins 61 can extend leftwards into the clamping chamber 42, a pin hole 62 opened towards the side away from the center of symmetry is arranged in the clamping block 44, the pins 61 can extend into the pin holes 62 and abut against the pin holes 62, so as to limit the clamping block 44 from moving forwards and backwards, a gear 63 is fixedly connected to the end surface of the sliding plate 60 on the side close to the center of symmetry, the gear 63 extends into the clamping chamber 42 on the side close to the center of symmetry, a bevel push plate 41 located in the clamping chamber 42 is fixedly connected to the gear 63, and an adjustment box 16 is fixedly connected to the circumferential end surface of, a trapezoidal block 40 is fixedly connected to the end surface of the left side of the adjusting box 16 far away from the conveyor belt 14, an adjusting cavity 53 is arranged in the adjusting box 16, a nut 56 with an opening facing to the left is arranged on the inner wall of the adjusting cavity 53 near the symmetry center, a screw rod 55 is rotatably connected to the inner wall of the adjusting cavity 53 far away from the symmetry center, the screw rod 55 extends to the side near the symmetry center, a bevel gear 54 is fixedly connected to the screw rod 55, a nut 56 slidably connected to the inner wall of the sliding hole 65 is connected to the screw rod 55 in a threaded manner, the nut 56 extends to the outside of the end surface of the adjusting cavity 53 to the side near the symmetry center, the left end surface of the nut 56 is rotatably connected to the right end surface of the clamp box 17, a rotating shaft 46 extending forwards and backwards is rotatably connected to the inner wall of the front side of the adjusting cavity 53, and an auxiliary, the rotating shaft 46 is fixedly connected with a knob 47 positioned outside the front side end face of the adjusting cavity 53, the rotating shaft 46 is driven to rotate by manually rotating the knob 47, and the screw rod 55 can be driven to rotate through meshing connection, so that the left and right positions of the clamp box 17 can be adjusted, and the adjustable clamp box is suitable for injectors with different lengths.
Beneficially, the lifting rod 20 is fixedly connected with a lifting plate 19 located outside the lower end face of the lifting cavity 22, the lower end face of the lifting plate 19 is fixedly connected with four centrosymmetric wedge blocks 18, the wedge blocks 18 can be abutted to the push rod 43, a compression spring 21 is connected between the piston 23 and the lower inner wall of the lifting cavity 22, the left end face of the fixed plate 29 is fixedly connected with an air storage tank 31, the air storage tank 31 is provided with a pressure release valve 30, an air passage pipe 25 is communicated and connected between the air storage tank 31 and the lifting cavity 22, the air passage pipe 25 is provided with a valve body 27 fixedly connected to the lower end face of the cross rod 26, a valve body cavity 51 communicated with the air passage pipe 25 is arranged in the valve body 27, an exhaust hole 52 with an opening facing to the left is arranged on the inner wall of the left side of the valve body cavity 51, and the exhaust hole 52 is located, a valve core 50 is connected in the valve body cavity 51 in a sliding manner, an L-shaped hole 49 with an upward opening and a leftward opening is arranged in the valve core 50, the valve core 50 can ensure that the left side and the right side of the air path pipe 25 are not communicated, even if the air storage tank 31 is not communicated with the lifting cavity 22, a driven rod 28 which extends downwards to the outside of the end surface of the valve body cavity 51 is fixedly connected on the end surface of the lower side of the valve core 50, the driven rod 28 can be abutted against the trapezoidal block 40, an air pump 34 which is positioned on the left side of the speed increasing tank 33 is fixedly connected on the inner wall of the lower side of the power cavity 12, a sliding hole 65 of the transmission motor 3 extends leftwards into the air pump 34 and can drive the air pump 34 to work, an air pipe 32 is connected between the air pump 34 and the air storage tank 31 in a communicating manner, the piston 23 drives the lifting rod 20 and the, and the push rod 43 is moved to the side away from the symmetric center, thereby releasing the clamping and fixing of the clamping block 44 to the syringe outer cylinder.
Beneficially, the printing device 104 includes a conveying motor 36 disposed in the power chamber 12 and located in front of the lift cylinder 24, the opening of the conveying motor 36 faces upward, the conveying motor 36 is used for storing printing ink, two air pumps 34 symmetrical up and down are rotatably connected to an inner wall of a left side of the conveying motor 36, the air pump 34 extends to the outside of the end face of the conveying motor 36 rightwards, the air pump 34 on an upper side extends to the outside of the end face of the conveying motor 36 leftwards, a gear 63 located outside the end face of a right side of the air pump 34 is fixedly connected to the air pump 34, the two gears 63 are meshed and connected, an ink roller 48 is fixedly connected to the air pump 34 on a lower side, a printing rubber roller 64 is fixedly connected to the air pump 34 on the upper side, the printing rubber roller 64 abuts against the ink roller 48, and the printing rubber roller 64 is located on a, upside fixedly connected with is located on the air pump 34 the outer sub-band pulley 39 of conveyer motor 36 left side end face, sub-band pulley 39 with be connected with V area 38 between the band pulley 37, because the effect of increasing speed of vice speed-increasing box 66 acceleration makes printing rubber roll 64 with ink roller 48 rotational speed is far above conveyer belt wheel 13 rotational speed to can print the syringe urceolus at syringe urceolus backward movement in-process, through printing rubber roll 64 can be right the syringe urceolus carries out the scale printing.
The following will describe in detail the use steps of the outer cylinder scale printing device of the medical syringe in this document with reference to fig. 1 to 9:
at the beginning, the driven rod 28 is not abutted with the trapezoidal block 40, under the action of gravity, the valve core 50 is positioned at the lower limit position, the L-shaped hole 49 is communicated with the air passage pipe 25 at the left side of the valve body 27, the valve core 50 ensures that the air storage tank 31 is not communicated with the lifting cavity 22, the upper opening of the L-shaped hole 49 is communicated with the exhaust hole 52, under the action of the compression spring 21, the piston 23 is positioned at the upper limit position, the lifting plate 19 is positioned at the upper limit position, the push rod 43 is not abutted with the wedge block 18, the clamping block 44 is positioned at the limit position at the side far away from the inclined plane push plate 41, under the action of the compression spring 59, the sliding plate 60 is positioned at the limit position at the side close,
the knob 47 is rotated manually, the knob 47 drives the rotating shaft 46 and the auxiliary bevel gear 57 to rotate, the auxiliary bevel gear 57 is connected with the movable bevel gear 54 to rotate through meshing, the bevel gear 54 drives the screw rod 55 to rotate, the screw rod 55 drives the nut 56 to move left and right through threaded connection, and the nut 56 drives the clamp box 17 to move left and right, so that the distance between the clamp boxes 17 on the left side and the right side can be adjusted to adapt to the outer cylinders of the syringes with different lengths.
When the injector outer cylinder clamping device works, the injector outer cylinder is moved downwards into the clamping cavity 42 manually or through a mechanical arm, the end surfaces of the left side and the right side of the injector outer cylinder are abutted against the opposite inclined plane push plate 41, the inclined plane push plate 41 is pushed to move towards one side far away from the symmetrical center, the inclined plane push plate 41 drives the sliding plate 60 to move towards one side far away from the symmetrical center through the gear 63, so that the bolt 61 is separated from the pin hole 62, the limit on the clamping block 44 is released, the clamping block 44 moves towards one side close to the inclined plane push plate 41 to clamp and fix the injector outer cylinder under the thrust action,
then the transmission motor 36 is started, the transmission motor 36 drives the transmission shaft 15 at the front side to rotate, the transmission shaft 15 at the front side drives the transmission belt wheel 13 at the front side to rotate, the transmission belt wheel 13 at the front side drives the transmission belt 14 to rotate, the transmission belt 14 drives the adjusting box 16 at the upper side to move backwards,
the front conveying shaft 15 drives the belt wheel 37 to rotate, the belt wheel 37 drives the auxiliary belt wheel 39 to rotate through the V belt 38, the auxiliary belt wheel 39 drives the air pump 34 on the upper side to rotate, the air pump 34 on the upper side drives the air pump 34 on the lower side to rotate through the meshing connection between the two gears 63, the air pump 34 on the lower side drives the ink roller 48 to rotate to convey ink in the conveying motor 36 to the printing rubber roller 64, when the clamped injector outer cylinder moves backwards to the upper side of the printing rubber roller 64, the printing rubber roller 64 is abutted against the injector outer cylinder and drives the injector outer cylinder to rotate, the printing rubber roller 64 coats the ink on the outer cylinder, and the ink printing of the injector outer cylinder,
after the printing is finished, the outer cylinder of the injector continues to move backwards, the transmission shaft 15 at the rear side is accelerated by the speed increasing box 33 to drive the speed increasing shaft 35 to rotate, the speed increasing shaft 35 drives the air pump 34 to work to produce air flow, the air flow produced by the air pump 34 is conveyed into the air storage box 31 through the air conveying pipe 32 to be stored,
when the outer cylinder of the injector moves backwards to the lower side of the lifting plate 19, the trapezoidal block 40 abuts against the driven rod 28, the trapezoidal block 40 pushes the driven rod 28 to move upwards, the driven rod 28 drives the valve core 50 to move upwards to an upper limit position, so that the air storage tank 31 is communicated with the lifting cavity 22, the L-shaped hole 49 is not communicated with the valve body cavity 51, compressed air stored in the air storage tank 31 is conveyed into the lifting cavity 22 through the air passage pipe 25 and pushes the piston 23 to move downwards, the piston 23 drives the lifting plate 19 and the wedge block 18 to move downwards through the lifting rod 20, the wedge block 18 moves downwards to abut against the push rod 43 and pushes the push rod 43 to move towards the side far away from the inclined plane push plate 41, the push rod 43 drives the clamping block 44 to move towards the side far away from the inclined plane push plate 41 to reset, so that the outer cylinder of the injector after printing is released, because the compressed air pushes the piston 23 to move downwards at a speed far higher, the syringe outer cylinder falls into the power chamber 12 on the rear side of the transmission motor 36 and is stored, and under the thrust of the compression spring 59, the sliding plate 60 moves to the left to reset the latch 61 and abut against the pin hole 62 to restrict the movement of the clamping block 44 again,
then the conveyor belt 14 continues to drive the adjusting box 16 on the upper side to move backwards, the trapezoidal block 40 is separated from the contact with the driven rod 28, the valve core 50 and the driven rod 28 move downwards under the action of gravity to reset, the air storage box 31 is not communicated with the lifting cavity 22, the air path pipe 25 on the left side of the valve body 27 is communicated with the L-shaped hole 49, the L-shaped hole 49 is communicated with the exhaust hole 52, the piston 23 quickly moves upwards to reset under the action of the compression spring 21, thereby avoiding the interference of the backward movement of the adjusting box 16 on the upper side and completing the scale printing of the outer cylinder of,
the screen printing efficiency is higher due to the roller type printing compared with the transmission.
The invention has the beneficial effects that: eight groups of injector outer cylinder clamping mechanisms are distributed on the conveying belt mechanism in an annular array manner, the clamping mechanisms can rapidly center and clamp and fix the injector outer cylinder, the fixing precision of the injector outer cylinder is improved through automatic centering and clamping, so that the scale printing precision can be improved, the injector outer cylinder is printed through the roller printing mechanism, the conveying belt mechanism is linked with the roller printing mechanism through the transmission mechanism, the rotating speed of the roller is far higher than the speed of the conveying belt for conveying the injector outer cylinder, the injector outer cylinder can be driven to rotate during roller printing, so that the scale printing is finished, the clamping mechanism automatically releases the injector outer cylinder through the releasing mechanism after the printing is finished, and then the injector outer cylinder falls to a storage place for storage, so that the invention utilizes the roller printing technology to carry out the scale printing of the injector outer cylinder, has higher printing efficiency, utilizes the, thereby improving printing accuracy.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims (5)

1. The utility model provides a medical syringe urceolus scale printing device, includes the printing case, its characterized in that: the printing box is internally provided with a power cavity with an upward opening, the power cavity is internally provided with a conveying device for conveying an outer barrel of an injector, the conveying device is provided with two groups of injection barrel clamps which are symmetrically distributed leftwards and rightwards, each group is provided with eight injection barrel clamps, the injection barrel clamps are used for clamping and fixing the outer barrel of the injector, the injection barrel clamps comprise a clamp box arranged on the conveying device, a clamping cavity with an opening facing one side of a symmetric center is arranged in the clamp box, the opening of the clamping cavity is upward and downward, the inner wall of one side of the clamping cavity far away from the symmetric center is slidably connected with two clamping blocks which are symmetrical forwards and backwards, the clamping surfaces of the clamping blocks are arc surfaces, so that the outer barrel of the injector can be centered and clamped, a clamping spring is connected between the inner walls of the clamping cavity far away from the symmetric center, and a, the injection tube fixture is characterized in that a sliding cavity is arranged in the fixture box and is positioned on one side of the clamping cavity, which is far away from the symmetric center, the clamping block is used for clamping and fixing the outer cylinder of the injector through the elastic force of the clamping spring, the right end face of the power cavity is fixedly connected with a fixed plate, the fixed plate is provided with a release device, the release device is used for releasing the clamping and fixing of the clamping block on the outer cylinder after printing is finished, the release device comprises a cross rod fixedly connected to the left end face of the fixed plate, a lifting cylinder is fixedly connected to the cross rod, a lifting cavity is arranged in the lifting cylinder, a piston is slidably connected in the lifting cavity, a lifting rod extending downwards is fixedly connected to the lower end face of the piston, the lifting rod extends downwards to the outer end face of the lifting cavity, and a printing device, the printing device is used for printing the outer cylinder of the injector.
2. The outer cylinder scale printing device of a medical syringe as set forth in claim 1, wherein: the conveying device comprises a conveying shaft which is rotatably connected to the inner wall of the right side of the power cavity and extends leftwards, conveying belt wheels are fixedly connected to the conveying shaft, two bilaterally symmetrical conveying belts are connected between the two conveying belt wheels, two groups of injection tube fixtures are respectively distributed on the circumferential end faces of the two conveying belts in an annular array mode, the volume of the left injection tube fixture is smaller than that of the right injection tube fixture, the left injection tube fixture is used for clamping and fixing the small end of an outer cylinder of an injector, the right injection tube fixture is used for clamping and fixing the large end of the outer cylinder of the injector, the conveying shaft on the front side is in power connection with a conveying motor fixedly connected to the inner wall of the right side of the power cavity, the conveying shaft on the front side extends leftwards to the outside of the end face of the power cavity, an auxiliary speed increasing box is fixedly connected to the end face of the left side of the power cavity, the auxiliary speed increasing box is connected with and extends to left the auxiliary speed increasing shaft outside the auxiliary speed increasing box end surface, the epaxial fixedly connected with of auxiliary speed increasing is located the left band pulley of auxiliary speed increasing box, fixedly connected with speed increasing box on the inner wall of power cavity right side, the rear side the transmission axle extends to right the speed increasing box is interior and can drive speed increasing box work, the speed increasing box internal rotation is connected with and extends to left the speed increasing shaft in the power cavity, just the speed increasing shaft is located the rear side the front side of transmission axle.
3. The outer cylinder scale printing device of a medical syringe as set forth in claim 1, wherein: a sliding plate is connected in the sliding cavity in a sliding manner, a compression spring is connected between the sliding plate and the inner wall of the sliding cavity on the side far away from the symmetry center, two bolts which are symmetrical front and back are fixedly connected on the end surface of the left side of the sliding plate and can extend leftwards into the clamping cavity, a pin hole with an opening facing to the side far away from the symmetry center is arranged in the clamping cavity, the bolt can extend into the pin hole and abut against the pin hole so as to limit the clamping block to move forwards and backwards, a gear is fixedly connected on the end surface of the sliding plate on the side near the symmetry center and extends into the clamping cavity on the side near the symmetry center, an inclined plane push plate positioned in the clamping cavity is fixedly connected on the gear, an adjusting box is fixedly connected on the circumferential end surface of the conveying belt, and a trapezoidal block is, the adjusting box is internally provided with an adjusting cavity, the adjusting cavity is close to a nut with an opening facing left on the inner wall on one side of the symmetric center, the adjusting cavity is far away from the inner wall on one side of the symmetric center and is rotatably connected with a screw rod, the screw rod extends towards one side of the symmetric center, the screw rod is fixedly connected with a bevel gear, the screw rod is connected with the nut in a sliding mode, the nut extends towards one side of the symmetric center, the end surface of the adjusting cavity is out of the end surface of the adjusting cavity, the end surface of the left side of the nut is connected with the end surface of the right side of the clamp box in a rotating mode, the inner wall of the front side of the adjusting cavity is rotatably connected with a rotating shaft extending forwards and backwards, the rotating shaft is fixedly connected with an auxiliary bevel gear.
4. A cylinder scale printing device for a medical syringe according to claim 3, wherein: the lifting plate is fixedly connected with the lifting rod and positioned outside the lower end face of the lifting cavity, four centrosymmetric wedge blocks are fixedly connected with the lower end face of the lifting plate, the wedge blocks can be abutted to the push rod, a compression spring is connected between the piston and the lower inner wall of the lifting cavity, an air storage tank is fixedly connected with the left end face of the fixing plate, a pressure release valve is arranged on the air storage tank, the air storage tank is communicated with the lifting cavity and connected with an air passage pipe, a valve body fixedly connected with the lower end face of the cross rod is arranged on the air passage pipe, a valve body cavity communicated with the air passage pipe is arranged in the valve body, an exhaust hole with an opening facing to the left is arranged on the inner wall on the left side of the valve body cavity, the exhaust hole is positioned on the upper side of the air passage pipe, a valve core is connected in the valve body cavity in, the case can make the gas circuit pipe left and right sides does not communicate with each other, even the gas storage tank with the lift chamber does not communicate with each other, fixedly connected with downwardly extending on the case downside terminal surface to the driven lever outside the valve body chamber terminal surface, the driven lever can with trapezoidal piece butt, fixedly connected with is located on the power chamber downside inner wall the left air pump of acceleration rate case, conveying motor slide opening extends to left just can drive in the air pump work, the air pump with communicate with each other between the gas storage tank and be connected with the gas-supply pipe.
5. The outer cylinder scale printing device of a medical syringe as set forth in claim 2, wherein: the printing device comprises a conveying motor which is arranged in the power cavity and positioned on the front side of the lifting cylinder, the opening of the conveying motor is upward, the conveying motor is used for storing printing ink, two air pumps which are symmetrical up and down are rotatably connected to the inner wall of the left side of the conveying motor, the air pumps extend to the outside of the end surface of the conveying motor rightwards, the air pumps on the upper side extend to the outside of the end surface of the conveying motor leftwards, gears which are positioned on the outside of the end surface of the right side of the air pumps are fixedly connected to the air pumps on the lower side and are meshed with the gears, ink rollers are fixedly connected to the air pumps on the lower side, printing rubber rollers are fixedly connected to the air pumps on the upper side, the printing rubber rollers are abutted to the ink rollers, the printing rubber rollers are positioned on the lower side of the trapezoid of, the auxiliary belt wheel with be connected with the V area between the band pulley, because vice acceleration rate case acceleration rate effect makes the rubber printing roll with the ink roller rotational speed is far higher than the band pulley rotational speed to can print the syringe urceolus at syringe urceolus backward movement in-process.
CN201911215746.3A 2019-12-02 2019-12-02 Outer cylinder scale printing device for medical injector Active CN110834470B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111619201A (en) * 2020-05-26 2020-09-04 李华 Device for automatically aligning quantitative inking and quickly printing by utilizing air pressure
CN112297611A (en) * 2020-11-09 2021-02-02 李连学 Circulating printing device for cylindrical curved surface
CN112455076A (en) * 2020-11-17 2021-03-09 胡涌域 Be used for automatic seal mark device of mouse shell

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CN208376246U (en) * 2018-06-23 2019-01-15 成都市金鼓药用包装有限公司 A kind of identification mechanism of ampoule bottle
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111619201A (en) * 2020-05-26 2020-09-04 李华 Device for automatically aligning quantitative inking and quickly printing by utilizing air pressure
CN112297611A (en) * 2020-11-09 2021-02-02 李连学 Circulating printing device for cylindrical curved surface
CN112455076A (en) * 2020-11-17 2021-03-09 胡涌域 Be used for automatic seal mark device of mouse shell

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