CN212150877U

CN212150877U - Sealing piston feeding device

Info

Publication number: CN212150877U
Application number: CN202020583532.3U
Authority: CN
Inventors: 王强; 胡科明; 张添宇; 李庆英; 马成普
Original assignee: Ningbo Hanke Polymer Materials Co ltd
Current assignee: Ningbo Hanke Polymer Materials Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-15
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a sealed piston material feeding unit, including support, hopper and last feed cylinder, the top of going up the feed cylinder is provided with discharge gate, its characterized in that: the feeding device is characterized in that a support and a controller are arranged on the support, a feeding motor is arranged on the support, a feeding barrel is transversely arranged at the discharge opening of the hopper, a feeding shaft connected with the feeding motor in a transmission mode is arranged in the feeding barrel, the feeding barrel is obliquely connected to the outlet end of the feeding barrel, a feeding motor is arranged at the upper end of the feeding barrel, a feeding shaft is arranged in the feeding barrel and connected with the feeding motor in a transmission mode, and the feeding motor are respectively electrically connected with the controller. The utility model provides a sealed piston material feeding unit in sealed piston production process, provides the injection molding material for the make-up machine.

Description

Sealing piston feeding device

Technical Field

The utility model relates to an injector processing field especially relates to a sealed piston material feeding unit.

Background

The injector is a common tool for treating diseases, provides a very convenient way for medicines to smoothly enter the body, and has the advantages of low cost, high safety and simple manufacturing process, thereby being widely adopted by people. In order to avoid cross-infection of viruses caused by the use of unsanitary syringes, disposable syringes have been widely used in the medical technology field. And the sealing piston in the injector is formed by injection molding by an injection molding machine. In the molding process, the injection molding material needs to be loaded.

For example, the chinese invention with the prior publication number CN107696357B discloses a method for producing a rubber piston for a pre-potting injector, which comprises the following steps: (1) preparing materials: proportioning according to the formula of a brominated butyl rubber piston for a prefilled syringe or a chlorinated butyl rubber piston for a prefilled syringe, and weighing for later use; (2) rubber mixing: uniformly mixing the raw materials prepared in the step (1) by adopting a powerful pressurized internal mixer and a corresponding open mill to prepare a rubber compound for later use; (3) the diameter of a charging barrel of the precise pre-forming machine is 250mm, the weight range of a rubber blank is 0.3-2000 g, the weight precision of the rubber blank is +/-1.0%, the weight of the rubber blank filled once is 60-70 kg, the rubber compound prepared in the step (2) is placed into the precise pre-forming machine, and is accurately cut into small cylindrical rubber particles according to the specification weight of a rubber piston for a pre-encapsulation injector to be produced, and the rubber particles are treated by a cooling vibrating screen for later use; (4) and (3) mould pressing and vulcanization molding: placing the small cylindrical rubber particles into a mold cavity of a vulcanization mold by adopting a drawer plate feeding method, carrying out mold pressing vulcanization, and controlling the thickness of a vulcanization flash to be 0.01-0.1 mm through a reasonably designed vulcanization mold, so that the vulcanization flash is convenient for subsequent processes; (5) freezing, punching and removing edges: under a clean environment, a frozen edge removing machine is adopted to rapidly remove burrs of the rubber piston which is molded and vulcanized; (6) cleaning and packaging: in a clean environment, a medicinal rubber product cleaning machine is adopted to clean, dry and package the rubber piston subjected to the edge removal by freezing, punching and cutting; the precision preforming machine in the step (3) is a precision preforming machine integrating multiple functions of vacuumizing, filtering, extruding, cutting, weight measuring and counting; the specific operations of freezing, punching and removing edges in the step (5) are as follows: and (3) putting the rubber piston subjected to mould pressing and vulcanization molding into a stainless steel basket of a freezing edge removing machine, starting the machine, and under a freezing condition, rotating an impeller at a high speed of 5000-6000 r/min to throw plastic particles into the stainless steel basket and strike the plastic particles onto the rubber piston, so that redundant burrs are removed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to prior art's current situation, provide a sealed piston material feeding unit, in sealed piston production process, provide the injection molding material for the make-up machine.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a sealed piston material feeding unit, includes support, hopper and goes up the feed cylinder, the top of going up the feed cylinder is provided with discharge gate, its characterized in that: the feeding device is characterized in that a support and a controller are arranged on the support, a feeding motor is arranged on the support, a feeding barrel is transversely arranged at the discharge opening of the hopper, a feeding shaft connected with the feeding motor in a transmission mode is arranged in the feeding barrel, the feeding barrel is obliquely connected to the outlet end of the feeding barrel, a feeding motor is arranged at the upper end of the feeding barrel, a feeding shaft is arranged in the feeding barrel and connected with the feeding motor in a transmission mode, and the feeding motor are respectively electrically connected with the controller.

Preferably, the feeding shaft and the feeding shaft are both spiral conveying shafts.

As the improvement, the rollers are arranged below the support, and the support is convenient to drive the charging barrel to move by the aid of the rollers.

And the feeding barrel is connected with the feeding barrel, the feeding barrel is provided with a support frame, and the support frame is provided with a sliding rod. In the pay-off in-process, the slide bar stretches out and the bottom surface contact, and the slide bar plays the supporting role to last feed cylinder, simultaneously, the utility model provides a last feed cylinder can also use flexible connecting cylinder to carry out the luffing motion as the center, because the slide bar slides and sets up within the support frame, the support length of slide bar can be adjusted, changes along with the upper and lower position of last feed cylinder to play the effect that changes the feed cylinder height, make the utility model discloses a material feeding unit can be applicable to the occasion of multiple difference.

And the feeding barrel is provided with an observation window.

And the improved structure is characterized in that a hand push rod is arranged on the support.

And then, the improvement is that a material passing plate is arranged in the hopper and is connected with a vibrator, the vibrator is electrically connected with the controller, the vibrator vibrates, and the injection molding material is uniformly discharged through a material passing hole in the material passing plate.

And the injection molding material feeding device is improved, a heating cavity is arranged in the feeding barrel along the length direction, a heating coil is arranged in the heating cavity, heat insulation layers are respectively arranged on the inner side wall and the outer side wall of the heating cavity, and the injection molding material is heated in the injection molding material feeding process.

And the transmission structure of the feeding motor and the feeding shaft is characterized in that a small cylindrical gear is arranged at the output end of the feeding motor and is meshed with a large cylindrical gear, a small bevel gear is arranged on a rotating shaft of the large cylindrical gear and is meshed with a large bevel gear, and a transmission shaft of the large bevel gear is coaxial with the feeding shaft. Through setting up the transmission structure that the pinion drove the gear wheel for the number of turns that the pay-off motor need rotated is far more than the angle that the pay-off axle rotated, improves the pay-off precision of pay-off motor.

Compared with the prior art, the utility model has the advantages of: the injection molding material is placed into the hopper, the vibrator vibrates, the injection molding material uniformly falls into the hopper feed opening, the feeding motor drives the feeding shaft to rotate, the feeding shaft quantitatively conveys the material to the bottom of the charging barrel, the feeding motor rotates, the feeding shaft conveys the material at the bottom of the charging barrel to the discharge opening of the charging barrel and finally falls into the feed opening of the forming machine, and the injection molding material is provided for the forming machine in the production process of the sealing piston.

Drawings

Fig. 1 is a schematic structural view of a sealing piston feeding device in an embodiment of the present invention;

FIG. 2 is a schematic sectional view of the charging barrel in the embodiment of the present invention;

fig. 3 is a schematic view of the transmission structure of the feeding motor and the feeding shaft in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 3, the utility model provides a sealed piston material feeding unit, including support 1, hopper 2, vibrator, material passing plate 21, controller 12, feeding motor 6, pay-off axle, a pay-off section of thick bamboo 3, material loading motor 7, material loading axle 8 and material loading section of thick bamboo 4.

Wherein, the top of the upper charging barrel 4 is provided with a discharging port 42, the bracket 1 is provided with a support 11 and a controller 12, the lower part of the bracket 1 is provided with a roller 14, the roller 14 is arranged to facilitate the movement of the bracket 1 with the charging barrel 4, the hand push rod 13 is arranged on the bracket 1 to facilitate the movement of the bracket 1, the support 11 is provided with the feeding motor 6, a feeding barrel 3 is transversely arranged at the feed opening of the hopper 2, a feeding shaft in transmission connection with a feeding motor 6 is arranged in the feeding barrel 3, an upper charging barrel 4 is obliquely connected with the outlet end of the feeding barrel 3, a feeding motor 7 is arranged at the upper end of the feeding barrel 4, a feeding shaft 8 is arranged in the feeding barrel 4, preferably, the feeding shaft 8 and the feeding shaft are both spiral conveying shafts, an observation window 41 is arranged on the feeding barrel 4, meanwhile, the feeding shaft 8 is in transmission connection with the feeding motor 7, and the feeding motor 6 and the feeding motor 7 are respectively in electrical connection with the controller 12.

Further, the transmission structure of the feeding motor 6 and the feeding shaft is that the output end of the feeding motor 6 is provided with a small cylindrical gear 61, the small cylindrical gear 61 is meshed with a large cylindrical gear 62, a rotating shaft of the large cylindrical gear 62 is provided with a small bevel gear 63, the small bevel gear 63 is meshed with a large bevel gear 64, and a transmission shaft of the large bevel gear 64 is coaxial with the feeding shaft. Through setting up the transmission structure that the pinion drove the gear wheel for the number of turns that feeding motor 6 need rotated is far more than the angle that the pay-off axle rotated, improves feeding motor's pay-off precision.

In addition, a flexible connecting cylinder 5 is connected between the feeding cylinder 3 and the upper charging cylinder 4, a supporting frame 43 is arranged on the upper charging cylinder 4, a sliding rod 44 is arranged on the supporting frame 43, the sliding rod 44 is arranged on the supporting frame 43 in a sliding mode, and after the sliding rod 44 is positioned, the sliding rod 44 and the supporting frame 43 are fixed. In the pay-off in-process, the slide bar 44 stretches out and the bottom surface contact, and the slide bar 44 plays the supporting role to last feed cylinder 4, simultaneously, the utility model provides a go up feed cylinder 4 can also use flexible connecting cylinder 5 to carry out the luffing motion as the center, because the slide bar 44 slides and sets up within support frame 43, the support length of slide bar 44 can be adjusted, changes along with the upper and lower position of last feed cylinder 4 to play the effect that changes the height of feed cylinder 4, make the utility model discloses a material feeding unit can be applicable to the occasion of multiple difference.

In addition, a material passing plate 21 is arranged in the hopper 2, the material passing plate 21 is connected with a vibrator, the vibrator is electrically connected with the controller 12, the vibrator vibrates, and the injection molding materials are evenly discharged through material passing holes in the material passing plate 21.

Finally, a heating cavity is arranged in the feeding barrel 4 along the length direction, a heating coil 401 is arranged in the heating cavity, heat insulation layers 402 are respectively arranged on the inner side wall and the outer side wall of the heating cavity, and the injection molding material is heated in the injection molding material feeding process.

During the use, in putting into hopper 2 with the injection molding material, the vibrator vibration, the injection molding material evenly falls into 2 feed openings of hopper, and feeding motor 6 drives the pay-off axle and rotates, and the pay-off axle carries the material ration to the discharge gate department of charging barrel 4 bottom, and feeding motor 7 rotates, and feeding shaft 8 sends the material of charging barrel 4 bottom to the discharge gate department of charging barrel 4, finally falls into the pan feeding mouth department of make-up machine, has realized in sealed piston production process, provides the injection molding material for the make-up machine.

Claims

1. The utility model provides a sealed piston material feeding unit, includes support (1), hopper (2) and goes up feed cylinder (4), the top of going up feed cylinder (4) is provided with discharge gate, its characterized in that: the automatic feeding device is characterized in that a support (11) and a controller (12) are arranged on the support (1), a feeding motor (6) is arranged on the support (11), a feeding barrel (3) is transversely arranged at the position of a discharging opening of the hopper (2), a feeding shaft in transmission connection with the feeding motor (6) is arranged in the feeding barrel (3), the feeding barrel (4) is obliquely connected to the outlet end of the feeding barrel (3), a feeding motor (7) is arranged at the upper end of the feeding barrel (4), a feeding shaft (8) is arranged in the feeding barrel (4), the feeding shaft (8) is in transmission connection with the feeding motor (7), and the feeding motor (6) and the feeding motor (7) are respectively in electrical connection with the controller (12).

2. The sealing piston feeding device of claim 1, wherein: the feeding shaft (8) and the feeding shaft are both spiral conveying shafts.

3. The sealing piston feeding device of claim 1, wherein: and a roller (14) is arranged below the bracket (1).

4. The sealing piston feeding device of claim 1, wherein: a flexible connecting cylinder (5) is connected between the feeding cylinder (3) and the upper charging cylinder (4), a support frame (43) is arranged on the upper charging cylinder (4), and a sliding rod (44) is arranged on the support frame (43).

5. The sealing piston feeding device of claim 1, wherein: an observation window (41) is arranged on the upper charging barrel (4).

6. The sealing piston feeding device of claim 1, wherein: a hand push rod (13) is arranged on the bracket (1).

7. The sealing piston feeding device of claim 1, wherein: the hopper (2) is internally provided with a material passing plate (21), the material passing plate (21) is connected with a vibrator, and the vibrator is electrically connected with the controller (12).

8. The sealing piston feeding device of claim 1, wherein: a heating cavity is arranged in the feeding barrel (4) along the length direction, a heating coil (401) is arranged in the heating cavity, and heat insulation layers (402) are respectively arranged on the inner side wall and the outer side wall of the heating cavity.

9. The sealing piston feeding device of claim 1, wherein: the transmission structure of the feeding motor (6) and the feeding shaft is that a small cylindrical gear (61) is arranged at the output end of the feeding motor (6), the small cylindrical gear (61) is meshed with a large cylindrical gear (62), a small bevel gear (63) is arranged on a rotating shaft of the large cylindrical gear (62), the small bevel gear (63) is meshed with a large bevel gear (64), and a transmission shaft of the large bevel gear (64) is coaxial with the feeding shaft.