CN215753140U

CN215753140U - Automatic filling equipment of paste injector

Info

Publication number: CN215753140U
Application number: CN202122317544.9U
Authority: CN
Inventors: 许可; 张腾飞; 吴艳青; 朱礼飞
Original assignee: Zhejiang Yongyu Biotechnology Co ltd
Current assignee: Zhejiang Yongyu Biotechnology Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-08
Anticipated expiration: 2031-09-24

Abstract

The application discloses paste syringe automatic filling equipment, comprises a workbench, loading attachment and perfusion device with add the stopper device, the lateral part of workstation is provided with a plurality of rotation chambeies, all install the centre gripping subassembly in the rotation intracavity, loading attachment, perfusion device with add the stopper device adjacent in proper order sets up in the lateral part of workstation, the centre gripping subassembly is used for the centre gripping cylinder, loading attachment is suitable for with the cylinder with the ascending material loading of opening to the centre gripping subassembly in, the workstation is suitable for driving the centre gripping subassembly and carries out the revolution, perfusion device is suitable for and fills paste along the opening of cylinder downwards, it adds the piston to be suitable for along the opening of cylinder downwards to add the stopper device. The beneficial effect of this application: according to the characteristics of the paste, the existing liquid medicine filling process is adjusted to a process of filling firstly and then plugging so as to meet the filling requirement of the paste, and therefore the paste filling of the needle cylinder can be quickly realized through the large-caliber opening of the needle cylinder so as to improve the filling production efficiency.

Description

Automatic filling equipment of paste injector

Technical Field

The application relates to the technical field of medical equipment, in particular to an automatic filling device of an injector.

Background

The pre-filled and sealed injector is a novel special medicinal injection packaging form, and has the advantages that: the glass, the plastic and the rubber with high quality are adopted, the use safety and reliability are ensured, the waste caused by adsorption in the transfer process of the liquid medicine from the glass package to the injector is also saved, the prefilled syringe adopts quantitative liquid medicine filling, the precision is higher than that of manual liquid medicine filling, the waste of the liquid medicine can be avoided, and the prefilled syringe has very important significance for expensive biochemical preparations and vaccine products which are difficult to prepare.

The existing pre-filling and sealing syringe filling equipment is mainly used for liquid medicaments, so the whole filling process is basically that a piston is firstly installed at the bottom of a syringe, then the syringe is filled from an injection port of the syringe, and the filling is completed and then the sealing is carried out, but the fluidity of paste is poor, if the injection port is adopted for filling, the filling efficiency is greatly reduced, namely the existing pre-filling and sealing syringe filling equipment cannot meet the filling requirement of the paste, so the existing pre-filling and sealing syringe filling equipment needs to be improved.

SUMMERY OF THE UTILITY MODEL

One of the objects of the present application is to provide an automatic filling equipment for paste injector, which can meet the filling process requirement for paste.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the utility model provides a paste syringe automatic filling equipment, includes workstation, loading attachment and filling device and adds the stopper device, the lateral part of workstation is provided with a plurality of rotation chambeies, it all installs the centre gripping subassembly to rotate the intracavity, loading attachment the filling device with add the stopper device adjacent setting in proper order in the lateral part of workstation, the centre gripping subassembly is used for the centre gripping cylinder, loading attachment is suitable for with the cylinder with the ascending material loading of opening extremely in the centre gripping subassembly, the workstation is suitable for the drive the centre gripping subassembly revolves, filling device is suitable for and pours the paste into to the opening of following the cylinder downwards, it is suitable for adding the piston to add the stopper device along the opening of cylinder downwards. According to the characteristic of paste, select earlier to pour into the process of adding the stopper and carry out the filling to satisfy the filling demand of paste, simultaneously through the opening of cylinder heavy-calibre, can be quick realize pouring into the paste of cylinder, in order to improve production efficiency.

Preferably, the workstation includes locating part and brace table, the locating part with the brace table rotates and is connected, be provided with a plurality of rotations chambeies that distribute along the circumferencial direction on the locating part, it is used for the installation to rotate the chamber the centre gripping subassembly, the center of locating part is connected with the drive shaft, the internally mounted of brace table has the motor, the drive shaft with the output of motor is connected, so that the motor passes through the drive shaft drives the locating part rotates, and then drives the centre gripping subassembly carries out the revolution along a plurality of stations.

Preferably, the centre gripping subassembly includes locating plate, a pair of grip block and elastic component, the centre gripping subassembly passes through the locating plate with it cooperates to rotate the chamber, what the grip block symmetry articulate in the outer end of locating plate, the lateral wall that the grip block is relative is provided with the arc recess, so that the grip block passes through the arc recess forms the centre gripping chamber that is used for the centre gripping cylinder, be provided with the spout with the outer end intercommunication in the locating plate, the elastic component with spout elasticity sliding fit, the grip block pass through the connecting plate with the elastic component is connected, so that the grip block is in under the spring action of elastic component to the chucking the cylinder in the centre gripping intracavity.

Preferably, the elastic part comprises a top plate and a spring, the top plate is in sliding fit with the sliding groove, the spring is installed in the sliding groove, two ends of the spring are respectively connected with the bottom end of the sliding groove and the top plate, the clamping plate is connected with the end part, extending out of the sliding groove, of the top plate through the connecting plate, so that the top plate pulls the clamping plate to be close to each other under the elastic action of the spring, and clamping of the needle cylinder in the clamping cavity is formed.

Preferably, the bubble removing device is installed on the side portion of the station adjacent to the plugging device, the workbench is further adapted to drive the clamping assembly to rotate, so that the clamping assembly rotates the opening of the needle cylinder downwards to the position above the bubble removing device, and the bubble removing device is adapted to extrude the piston upwards along the opening of the needle cylinder, so as to remove the air gap formed after the piston is added in the needle cylinder.

Preferably, the positioning component comprises a plurality of sector plates and a fixed plate, the sector plates are fixedly connected through the fixed plate, so that the sector plates are circumferentially distributed at intervals, arc-shaped grooves are formed in the side walls of the sector plates, the rotating cavities are formed between the side walls of the adjacent sector plates through the arc-shaped grooves, and arc-shaped protrusions are also arranged on two sides of the positioning plate, so that the clamping component is suitable for being rotatably connected with the rotating cavities;

the upper end of the supporting table is provided with an avoiding groove, the avoiding groove is located on the edge of the clamping assembly, the plug adding device moves to the area of the defoaming device, a conical disc is fixed in the middle of the supporting table, a conical tooth section is arranged on the side portion, corresponding to the avoiding groove, of the conical disc, a bevel gear is fixed at the inner end of the positioning plate, the clamping assembly is suitable for being matched with the conical tooth section through the bevel gear, and therefore the clamping assembly moves the opening of the needle cylinder downwards to the upper portion of the defoaming device.

Preferably, a sealing device is further installed at a position adjacent to the defoaming device, and the sealing device is suitable for sealing an injection port of the needle cylinder.

Preferably, the blanking rail is installed to the adjacent station below of closing device, blanking rail top the lateral part of brace table is provided with the bellying, the roof stretches out the tip below of spout is connected with the kicking block perpendicularly, the roof is suitable for to pass through the kicking block with the cooperation of bellying can drive the grip block is kept away from each other, and then drops the cylinder that the filling was accomplished extremely carry out the unloading in the blanking rail.

Compared with the prior art, the beneficial effect of this application lies in:

(1) compared with the traditional filling process of the liquid medicament, the process of filling and then plugging is selected for filling according to the characteristics of the paste so as to meet the filling requirement of the paste; thereby through the cylinder heavy-calibre opening of paste syringe, can be quick realize filling the paste of cylinder to improve filling production efficiency.

(2) Simultaneously at the fixed conical disk in the middle part of workstation to the bevel gear on the awl tooth section that is provided with through the conical disk cooperates with the centre gripping subassembly, in order to make the centre gripping subassembly carry out the revolution under the drive of motor in the workstation, can also carry out the rotation at specific position, so that move the cylinder opening to the top of defoaming device downwards, thereby defoaming device upwards extrudees the piston through the opening along the cylinder, in order to add the cylinder in the cylinder all or most discharge of the bubble that the piston process or the process of filling produced, in order to guarantee the safety in utilization of paste.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an overall top view of the present invention;

FIG. 3 is an exploded view of the platen and clamping assembly of the present invention;

FIG. 4 is a schematic view of the positioning member of the present invention;

FIG. 5 is a schematic view of a support stage according to the present invention;

FIG. 6 is a schematic view of a clamping assembly according to the present invention;

FIG. 7 is an exploded view of the clamping assembly of the present invention;

FIG. 8 is a schematic view of a portion of the clamping assembly of the present invention engaged with a protrusion;

FIG. 9 is a partial cross-sectional view of the table and clamping assembly of the present invention in cooperation with each other;

FIG. 10 is a partial schematic view of the table and clamping assembly of the present invention in cooperation with one another;

FIG. 11 is a schematic view showing the state of the needle cylinder in each station according to the present invention;

in the figure: the automatic filling device comprises a workbench 1, a positioning part 11, a rotating cavity 110, a fixing plate 111, a sector plate 112, a driving shaft 113, a supporting table 12, an avoiding groove 120, a convex part 121, a conical disc 122, a conical tooth section 1220, a clamping assembly 2, a positioning plate 21, a sliding groove 210, a hinge seat 211, a clamping plate 22, a clamping cavity 220, a top plate 23, a top block 231, a connecting plate 24, a bevel gear 25, a spring 26, a feeding device 3, a feeding mechanism 31, an ejection part 32, a motor 400, a filling device 5, a plugging device 6, a defoaming device 7, a sealing device 8 and a blanking rail 9.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Fig. 1 to 11 show one of the preferred embodiments of the present application, an automatic paste injector filling apparatus includes a work bench 1, a feeding device 3, a pouring device 5 and a plugging device 6; the periphery of the workbench 1 is also provided with a plurality of stations, meanwhile, the side part of the workbench 1 is provided with a plurality of rotating cavities 110 along the circumferential direction, clamping assemblies 2 are installed in the rotating cavities 110, the outer end parts of the clamping assemblies 2 extend out of the rotating cavities 110 to be used for clamping the needle cylinders of the paste injectors, and the workbench 1 can drive the clamping assemblies 2 to revolve around the center of the workbench 1 so that the needle cylinders clamped by the clamping assemblies 2 sequentially pass through the stations; the feeding device 3, the filling device 5 and the plugging device 6 are sequentially and adjacently arranged on the side part of the corresponding station, and the feeding device 3 is used for sequentially conveying the openings of the needle cylinders to be filled upwards into the clamping components 2 positioned on the corresponding station for clamping; the perfusion device 5 is used for perfusing paste into the needle cylinder clamped by the clamping component 2 in the corresponding station, and when the perfusion device 5 perfuses, the perfusion device 5 perfuses downwards along the opening of the needle cylinder; the plugging device 6 is used for adding pistons to the needle cylinder clamped by the clamping component 2 in the corresponding station, and when the plugging device 6 is used for adding the pistons, the plugging device 6 downwards adds the pistons along the opening of the needle cylinder; drive the cylinder through centre gripping subassembly 2 and pass through loading attachment 3 in proper order, filling device 5 and the station that the device 6 corresponds that plugs that adds to accomplish the material loading to the cylinder, fill and the process that plugs, compare traditional earlier the process that fills after the plug, this application is according to the characteristic of paste, the process that selects earlier to fill and then to plug carries out the filling, can satisfy the filling demand of paste, thereby through the opening of cylinder heavy-calibre, the realization that can be quick is filled the paste of cylinder, in order to improve production efficiency.

It can be understood that the paste injector comprises a syringe, a piston and a piston rod, wherein the syringe is used for placing paste, the piston is connected with the piston rod, so that the piston is driven by squeezing the piston rod to extrude the paste along the inside of the syringe and along an injection port of the lower section of the syringe, and the other end of the opposite syringe is provided with an opening for placing the piston and the piston rod, so that the opening diameter of the syringe is far larger than the diameter of the injection port.

It will also be understood that the number of stations refers to the positions where a specific process is performed by a specific device, and the specific number may be determined according to the number of processes required for actual filling, for example, as shown in fig. 1 and 2, the number of stations in the present application is at least three.

In this embodiment, the number of the clamping assemblies 2 can be adjusted according to actual needs, for example, as shown in fig. 1 to 3, the number of the clamping assemblies 2 and the number of the rotating cavities 110 are both six.

In the present embodiment, as shown in fig. 1 and 2, the feeding device 3, the filling device 5 and the plugging device 6 are all in the prior art, and the specific structure and operation principle thereof are well known to those skilled in the art, for example, the feeding device 3 includes a feeding mechanism 31 and an ejecting component 32, the feeding mechanism 31 is used for conveying a plurality of unfilled syringes to the corresponding station positions near the feeding device 3, so that when one of the clamping assemblies 2 moves to the station, the ejecting component 32 ejects one of the syringes from the feeding mechanism and 31 onto the clamping assembly 2 for clamping, and the ejecting component 32 can be a hydraulic cylinder, a pneumatic cylinder or other devices with similar functions.

In this embodiment, as shown in fig. 1 and fig. 2, the automatic filling apparatus of the present application further includes a bubble removing device 7, the bubble removing device 7 is installed below the side portion of the station adjacent to the plugging device 6, and simultaneously, the workbench 1 drives the clamping assembly 2 to revolve, and at the same time, the workbench 1 can also rotate in the process of moving the bubble removing device 7 after the needle cylinder on the clamping assembly 2 completes the plugging process, so that the opening of the needle cylinder is downward when the needle cylinder of the clamping assembly 2 is located at the station where the bubble removing device 7 is located, and the bubble removing device 7 located below the needle cylinder extrudes the piston upward along the opening of the needle cylinder, so as to remove the bubbles formed after the piston is added in the needle cylinder.

It can be understood that, when the filling device 5 fills paste, in order to ensure the installation of the piston, the paste amount in the cylinder is not filled, so that the end of the cylinder located at the opening leaves a piston installation space, the volume of the installation space is not easy to be accurately controlled, so that after the plugging process, the cylinder is easy to form air bubbles at the opening position due to air space, so as to eliminate the air bubbles, the cylinder can be reversely placed, so that the air bubbles move to the position of the injection port under the action of pressure, and then the air bubbles can be eliminated by pressing the piston, and the defoaming device 7 in the application can adopt a hydraulic cylinder, a pneumatic cylinder or other devices with similar functions.

In this embodiment, as shown in fig. 1 and fig. 2, the automatic filling apparatus of the present application further includes a sealing device 8, the sealing device 8 is installed at a side portion of the station adjacent to the defoaming device 7, the sealing device 8 is used for sealing the syringe after the processes of filling, plugging and defoaming are completed, the sealing device 8 is prior art, and the structure and the working principle thereof are not specifically described herein.

It will be appreciated that the closing device 8 may be located above the clamping assembly 2, or below the clamping assembly 2; when the sealing device 8 is located above the clamping assembly 2, the clamping assembly 2 does not need to rotate when moving from the position of the defoaming device 7 to the sealing device 8, and when the sealing device 8 is located below the clamping assembly 2, the clamping assembly 2 needs to rotate when moving from the position of the defoaming device 7 to the sealing device 8.

In this embodiment, as shown in fig. 1 and fig. 2, the automatic filling apparatus of the present application further includes a discharging rail 9, the discharging rail 9 is installed below the adjacent station of the sealing device 8, and when the clamping assembly 2 moves to the upper side of the discharging rail 9, the clamping assembly 2 can drop the needle cylinder completing filling into the discharging rail 9 for discharging.

In this embodiment, in order to facilitate the rapid and stable operation of whole filling equipment, the spacing distance between each station is equal.

In one embodiment of the present application, as shown in fig. 6 and 7, the clamping assembly 2 includes a positioning plate 21, a pair of clamping plates 22, and an elastic portion, the clamping assembly 2 is engaged with the rotating cavity 110 through the positioning plate 21, symmetrical hinge seats 211 are fixed to the outer end of the positioning plate 21, two clamping plates 22 are hinged to the hinge seats 211 through one end thereof, the opposite sidewalls of the two clamping plates 22 are provided with arc-shaped grooves, so that a grip chamber 220 for gripping the cylinder is formed between the grip plates 22 by the arc-shaped grooves, meanwhile, a sliding groove 210 communicated with the outer end is arranged in the positioning plate 21, the sliding groove 210 is positioned between the hinge seats 211, the elastic part is in elastic sliding fit with the sliding groove 210, and the middle portion of the clamping plate 22 is connected with the elastic portion by the connection plate 24, so that the clamping plate 22 approaches each other by the elastic force of the elastic portion, so that the gripping cavity 220 defined by the gripping plate 22 has a tendency to contract to effect a grip on the syringe.

It will be appreciated that the positioning plate 21 is mounted in the radial direction of the table 1 such that the outer end of the positioning plate 21 is close to the outer side of the table 1 and the inner end of the positioning plate 21 is close to the center of the table 1.

In this embodiment, as shown in fig. 6 and 7, the elastic portion includes a top plate 23 and a spring 26, the top plate 23 is slidably engaged with the sliding slot 210, the spring 26 is installed in the sliding slot 210, and two ends of the spring 26 are respectively connected with the bottom end of the sliding slot 210 and the top plate 23, the two clamping plates 22 are respectively connected with the end portion of the top plate 23 extending out of the sliding slot 210 through a connecting plate 24, so that the top plate 23 pulls the clamping plates 22 to approach each other under the elastic force of the spring 26, thereby forming a clamping for the syringe in the clamping cavity 220.

It can be understood that when the feeding device 3 feeds the needle cylinder to the clamping cavity 220, the ejector part 32 can drive the side wall of the needle cylinder to press the end portions of the two clamping plates 22, so that the two clamping plates 22 rotate around the hinge seat 211 away from each other under the action of pressure, so that the clamping cavity 220 is opened to achieve the insertion of the needle cylinder, at this time, the top plate 23 stretches the spring 26, and then after the ejector part 32 is reset, the clamping plates 22 are driven to rotate around the hinge seat 211 towards each other under the reset elastic force of the spring 26 to achieve the clamping of the needle cylinder; meanwhile, the boss 121 can be fixed on the side portion of the workbench 1 corresponding to the feeding device 3, so that when the clamping assembly 2 moves to the position of the boss 121, the top block 231 vertically fixed below the end portion of the top plate 23 is matched with the boss 121, and the top plate 23 is driven to move towards the outside of the workbench 1, so that the two clamping plates 22 rotate away from each other around the hinge seat 211.

One of the embodiments of this application, as shown in fig. 3, fig. 4 and fig. 9, workstation 1 includes locating component 11 and a supporting bench 12, locating component 11 rotates with a supporting bench 12 and is connected, it radially sets up in the lateral part of locating component 11 to rotate chamber 110, and six rotate chamber 110 along locating component 11's circumferencial direction evenly distributed, the center of locating component 11 is connected with drive shaft 113, support bench 12's internally mounted has motor 400 simultaneously, drive shaft 113 is connected with the output of motor 400, so that starter motor 400 can drive locating component 11 through drive shaft 113 and rotate, thereby realize that centre gripping subassembly 2 revolves along the center of workstation 1, and then pass through a plurality of stations around workstation 1 in proper order, in order to carry out processes such as material loading, filling, the plus stopper, defoaming and unloading of cylinder filling respectively.

In this embodiment, as shown in fig. 5 and 8, the protrusion 121 is disposed on the side of the support platform 12, and the protrusion 121 extends to the feeding station along the discharging station, so that when the clamping assembly 2 moves from the sealing device 8 to the feeding device 3, the clamping assembly 2 is always in an open state by cooperating with the protrusion 121, and thus, discharging is performed first and feeding is performed at the station moving to the feeding device 3.

In this embodiment, as shown in fig. 3 to 7 and 9 to 11, the positioning component 11 includes six sector plates 112 and a fixing plate 111, the sector plates 112 are fixedly connected to each other through the fixing plate 111, so that the six sector plates 112 are uniformly circumferentially distributed at intervals, and the side wall of each sector plate 112 is provided with an arc-shaped groove, so that the side wall of the adjacent sector plate 112 forms a rotating cavity 110 through the arc-shaped groove, and at the same time, both sides of the positioning plate 21 are also provided with arc-shaped protrusions, so that the clamping assembly 2 is rotatably connected to the rotating cavity 110 through the positioning plate 21. Meanwhile, an avoiding groove 120 is formed in the upper end of the supporting table 12, the avoiding groove 120 is located in the area where the clamping assembly 2 moves from the plugging device 6 to the defoaming device 7, a tapered disc 122 is fixed in the middle of the supporting table 12, a tapered tooth section 1220 is arranged on the side portion, corresponding to the avoiding groove 120, of the tapered disc 122, and a bevel gear 25 is fixed at the inner end of each positioning plate 21, so that when the clamping assembly 2 moves from the plugging device 6 to the defoaming device 7, the clamping assembly 2 can be matched with the tapered tooth section 1220 through the bevel gear 25, and the clamping assembly 2 enables the opening of the syringe to move downwards to the upper side of the defoaming device 7.

In this embodiment, when the sealing device 8 is located above the workbench 1, as shown in fig. 5, the number of the avoiding grooves 120 is two, one of the avoiding grooves is located in the region from the plugging device 6 to the bubble device 7, and the other avoiding groove 120 is located in the region from the sealing device 8 to the adjacent protrusion 121, so that the clamping assembly 2 rotates 180 ° again before being matched with the protrusion 121 to perform resetting, thereby facilitating the matching with the protrusion 121. When the sealing device 8 is located below the workbench 1, the number of the avoiding grooves 120 is one, and the avoiding grooves 120 are located in the region where the clamping assembly 2 moves from the plugging device 6 to the sealing device 8, so that the clamping assembly 2 rotates 180 degrees when moving from the plugging device 6 to the defoaming device 7, and then continues to rotate 180 degrees when moving from the defoaming device 7 to the sealing device 8, so as to ensure that the needle cylinder is located above the sealing device 8 in a manner that the opening is upward.

In this embodiment, as shown in fig. 4 to 7 and 10, in the process that the positioning component 11 drives the clamping component 2 to revolve, the clamping component 2 is engaged with the end surface of the supporting table 12 through the inclined surface on the lower side, so as to realize the limitation of the rotation of the clamping component 2, and in the process that the clamping component 2 is engaged with the end surface of the supporting table 12, the bevel gear 25 of the clamping component 2 is not engaged with the bevel gear section 1220 on the conical disc 122, and when the clamping component 2 revolves to the state that the bevel gear 25 is engaged with the bevel gear section 1220, the supporting table 12 below the clamping component 2 releases the limitation of the rotation of the clamping component 2 through the avoiding groove 120, so as to ensure that the clamping component 2 can rotate.

It can be understood that, in order to keep the holding assembly 2 stable during the revolution or rotation, the holding assembly 2 may set the positioning plate 21 integrally with a taper, that is, the diameter of the outer end of the positioning plate 21 is smaller than the diameter of the inner end, and the rotating cavity 110 has the same taper, so that the rotating cavity 110 is rotatably engaged with the holding assembly 2 and can also limit the axially outward direction of the holding assembly 2, and the axially inward direction of the holding assembly 2 is limited by the bevel gear 25 and the tapered disk 122. The outer side wall of the positioning plate 21 can be provided with a limiting block, the side wall of the rotating cavity 110 is provided with a limiting groove, and the axial limiting of the clamping component 2 is realized through the matching of the limiting block of the positioning plate 21 and the limiting groove of the rotating cavity 110.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. An automatic paste syringe filling apparatus, comprising:

the side part of the workbench is provided with a rotating cavity along the circumferential direction;

the clamping assemblies are connected with the rotating cavity and used for clamping the needle cylinder, so that the clamping assemblies drive the needle cylinder to revolve under the driving of the workbench;

the feeding device is arranged on the side part of the workbench and is suitable for feeding a needle cylinder opening upwards into the clamping assembly;

the filling device is arranged adjacent to the feeding device and is suitable for filling paste downwards along the opening of the needle cylinder; and

and the plugging device is arranged adjacent to the filling device and is suitable for adding the piston downwards along the opening of the needle cylinder.

2. An automatic paste syringe filling apparatus according to claim 1, wherein: the workbench comprises a positioning component and a supporting table, the positioning component is rotatably connected with the supporting table, the rotating cavity is formed in the side portion of the positioning component, and the positioning component is connected with a motor arranged in the supporting table through a driving shaft connected with the center, so that the motor drives the positioning component and the clamping assembly to be synchronous.

3. An automatic paste syringe filling apparatus according to claim 2, wherein: the centre gripping subassembly includes locating plate, a pair of grip block and elasticity portion, the centre gripping subassembly passes through the locating plate with rotate the chamber and cooperate, the grip block symmetry articulate in the outer end of locating plate, the arc recess that sets up through the lateral wall between the grip block forms the centre gripping chamber of centre gripping cylinder, the grip block pass through the connecting plate with the elasticity portion is connected, the elasticity portion is suitable for the edge the spout that sets up on the locating plate carries out elastic sliding, the grip block is suitable for press from both sides tightly under the elasticity of elasticity portion the cylinder in the centre gripping intracavity.

4. An automatic paste syringe filling apparatus according to claim 3, wherein: the elastic part comprises a top plate and a spring, the top plate is in sliding fit with the sliding groove, the spring is installed in the sliding groove, the two ends of the spring are respectively connected with the bottom end of the sliding groove and the top plate, and the clamping plate is connected with the end part, extending out of the sliding groove, of the top plate through the connecting plate, so that the top plate pulls the clamping plate to be close to each other under the elastic action of the spring.

5. An automatic paste syringe filling apparatus according to claim 4, wherein: the lateral part of the plug adding device is adjacently provided with a defoaming device, the workbench is also suitable for driving the clamping assembly to rotate, so that the clamping assembly moves the opening of the needle cylinder downwards to the upper part of the defoaming device, and the defoaming device is suitable for extruding the piston upwards along the opening of the needle cylinder.

6. An automatic paste syringe filling apparatus according to claim 5, wherein: the positioning part comprises a plurality of sector plates and a fixed plate, the sector plates are fixedly connected through the fixed plate so that the sector plates are distributed circumferentially at intervals, arc-shaped grooves are formed in the side walls of the sector plates, the side walls of the adjacent sector plates form the rotating cavity through the arc-shaped grooves, and the positioning plate is rotatably connected with the rotating cavity through arc-shaped protrusions on two sides;

the upper end of the supporting table is provided with an avoiding groove, the middle of the supporting table is fixed with a conical disc, the side part of the conical disc corresponding to the avoiding groove is provided with a conical tooth section, the inner end of the positioning plate is fixed with a bevel gear, and the clamping assembly is suitable for being matched with the conical tooth section through the bevel gear, so that the clamping assembly moves to the defoaming device along the plugging device, and moves the opening of the needle cylinder downwards to the top of the defoaming device.

7. An automatic paste syringe filling apparatus according to claim 5, wherein: and the sealing devices are arranged adjacent to the side parts of the defoaming devices and are suitable for sealing the injection port of the needle cylinder.

8. An automatic paste syringe filling apparatus according to claim 7, wherein: the needle cylinder that the filling was accomplished drops to carry out the unloading in the unloading rail, the side below of workstation still installs the unloading rail, unloading rail top the brace table lateral part is provided with the bellying, the roof stretches out the tip below of spout is connected with the kicking block perpendicularly, the roof is suitable for to pass through the kicking block with the cooperation of bellying can drive the grip block is kept away from each other, and then drops the needle cylinder that the filling was accomplished extremely carry out the unloading in the unloading rail.