CN216468649U - Annular rubber cylinder extrusion head and blowing encapsulation equipment - Google Patents

Abstract

The utility model discloses an annular rubber cylinder extrusion head and blowing encapsulation equipment, which comprises a die holder, a feeding seat upper press plate and a lower press plate, wherein the die holder is connected with the feeding seat, the upper press plate is arranged on the die holder, and the lower press plate is arranged below the upper press plate, and the annular rubber cylinder extrusion head and blowing encapsulation equipment also comprises: the mold core component is arranged on the mold base, is positioned between the upper pressing plate and the lower pressing plate and is used for molding a rubber cylinder; the fastening assembly is arranged on the die holder and used for being connected with the die core assembly and the die holder, so that the using stability of the die core assembly is enhanced, and the effect of controlling the flow of the colloid in the extruder to enable the transmission of the colloid to be more stable is achieved.

Description

Annular rubber cylinder extrusion head and blowing encapsulation equipment

Technical Field

The utility model relates to the technical field of ampoule bottle blowing, filling and sealing molding, in particular to an annular rubber cylinder extrusion head. In addition, still relate to a blow embedment equipment that includes annular packing element extrusion head.

Background

A blow-fill-seal (BFS) aseptic filling production process is a known production process for producing a bottled and sealed aseptic product. The blow-filling and sealing (BFS) aseptic filling production process mainly includes the steps of heating and melting plastic blank and extruding tube blank, main mould capable of opening and closing, cutting plastic blank, blowing or vacuum forming plastic blank, quantitatively filling content into bottle, sealing bottle head and discharging bottle. The blow-fill-seal (BFS) aseptic filling production process can furthest prevent the contents from being polluted by the external environment, so the BFS aseptic filling production process is widely concerned, and particularly has very important application in the pharmaceutical industry with aseptic requirements on final products.

The plastic colloid to ampoule production among the prior art directly transmits to forming die in, leads to the too big condition and the inefficiency that cause the colloid to spill over extravagant condition of colloid.

In view of the above-mentioned deficiencies of the prior art, the present invention provides an annular rubber tube extrusion head.

SUMMERY OF THE UTILITY MODEL

The utility model provides an annular rubber cylinder extrusion head and blowing, filling and sealing equipment, which are used for solving the technical problems that in the prior art, plastic rubber produced by an ampoule bottle is directly transferred to a forming mould, so that the rubber overflows and is wasted due to overlarge flow of the rubber, and the efficiency is low.

According to one aspect of the present invention, an extrusion head for an annular rubber cylinder is provided, which includes a die holder, a feeding seat, an upper press plate and a lower press plate, wherein the die holder is connected to the feeding seat, the upper press plate is disposed on the die holder, and the lower press plate is disposed below the upper press plate, and further includes:

the mold core assembly is arranged on the mold base, is positioned between the upper pressing plate and the lower pressing plate and is used for molding a rubber cylinder;

and the fastening component is arranged on the die holder and is used for connecting the die core component with the die holder.

Through adopting above-mentioned technical scheme, install top board and top board on the die holder, connect extrusion head and extruder and transmission colloid through the feeding seat, set up mold core assembly on top board and the bottom board, through mold core assembly to colloid preliminary treatment shaping packing element, accomplish the shaping of multiunit packing element in extruding the head, carry out multiunit ampoule coproduction in transmitting the packing element to forming die, flow transmission through extruding head mold core assembly control colloid, make the colloid evenly transmit the extrusion of carrying out the ampoule in forming die, fix mold core assembly on the die holder under fastening assembly's effect, mold core assembly's stability in use has been strengthened, it makes the transmission of colloid more stable to have the flow of colloid to control in the extruder.

Further, a feeding assembly is arranged in the feeding seat and used for controlling the transmission of the colloid flow transmitted by the extruder.

Through adopting above-mentioned technical scheme, set up the feeding subassembly on the feeding seat for the colloid of transmission in the extruder is stabilized the reposition of redundant personnel and is flowed into the shaping packing element on the mold core assembly along the both sides of extruding the head, has guaranteed the even shaping of packing element.

Further, the feeding assembly comprises an annular flow channel, and the annular flow channel is used for dividing the colloid transmitted by the extruder into two parts and four parts for transmission, and is used for transmitting the colloid to the mold core assembly for molding the rubber barrel.

Through adopting above-mentioned technical scheme, be two with colloid through annular flow channel, the transmission of reposition of redundant personnel is divided into four to two, has guaranteed that the transmission of colloid is stable, and transmits the colloid along the both sides of extruding the head for the shaping of colloid in extruding the head is more stable.

Further, the mold core assembly comprises a mold core plate, the mold core plate is arranged on the mold base and is arranged between the upper pressing plate and the lower pressing plate, a mold cavity is formed between the upper pressing plate and the mold core plate, and the mold cavity is used for conveying the colloid.

Through adopting above-mentioned technical scheme, through forming the die cavity between core and top board and the holding down plate, flow in the shaping and flow out the colloid along the die cavity for the colloid is extruding the first preliminary treatment shaping packing element of head, and carries out extrusion molding ampoule through forming die, has improved production efficiency.

Furthermore, the exit of die cavity sets up because adjusting part, adjusting part set up in on the holding down plate, adjusting part is used for transmitting and the nature formation plastics ampoule that falls down to the colloid in the die cavity.

Through adopting above-mentioned technical scheme, be provided with adjusting part in the exit of die cavity, thereby adjust the shaping wall thickness of packing element through the size of adjusting part control die cavity export.

Further, the adjusting part includes regulating block and guide block, the regulating block connect in on the holding down plate, the guide block connect in on the die core board, the regulating block guide block is used for right the colloid in the die cavity carries out the direction transmission, the guide block is used for fixing the direction to the filling needle, be provided with temperature control assembly on the die holder, temperature control assembly be used for right annular runner in the die holder carries out temperature control to be convenient for the colloid stable transmission extremely in the die cavity.

Through adopting above-mentioned technical scheme, adjust the clearance of extruding first die cavity through the guide block regulating plate and control the outflow of colloid, extrude the colloid along the die cavity of extruding first in and form the packing element and transmit to forming die, the wall thickness of having guaranteed the packing element makes the qualification rate of ampoule improve, fix the direction to the filling needle through the guide block, it is smooth to have guaranteed the liquid medicine filling in the packing element, guaranteed that the packing element is extruding first in shaping and can continue to transmit to forming die under temperature control assembly's effect.

Furthermore, the temperature control assembly comprises temperature control joints, and the temperature control joints are connected to the die holder and are uniformly distributed along the die holder.

Through adopting above-mentioned technical scheme, be provided with the multiunit control by temperature change on extruding the outer wall of head and connect, connect the temperature in the control by temperature change and control the extruder, avoid the too early cooling of colloid to cause the die cavity in block up and the packing element is difficult to the shaping.

Further, the fastening assembly comprises a fastening screw threaded through the core plate in threaded connection with the die holder.

By adopting the technical scheme, the fastening screws penetrate through the die holder to be connected with the die core plate, the die core plate is abutted against the die holder to be fixed, and the stable use of the die core plate is ensured.

Further, be provided with the buffer on the core board, the buffer includes first arch and second arch, first arch with the second arch all sets up on the outer wall of core board and is the interval setting.

Through adopting above-mentioned technical scheme, set up buffer on the die core board, it is unanimous with the colloid along the pressure value of die cavity feed end to die cavity discharge end for the extrusion pressure of colloid is unanimous. The buffering part comprises a first protrusion and a second protrusion, the first protrusion and the second protrusion are arranged at intervals, the colloid is transmitted to the second protrusion along the first protrusion, the colloid flows along the die cavity through the first protrusion and the second protrusion, pressure loss is compensated, gas is generated in the die cavity by reducing the colloid, the production requirement is met by the rubber barrel formed in the extrusion head, and the extrusion pressure loss of the colloid is compensated.

According to another aspect of the utility model, a blow filling and sealing device is provided, which comprises the annular glue cylinder extrusion head.

Through adopting above-mentioned technical scheme, when carrying out the production of ampoule, transmit the colloid to the die cavity between die core and top board and the holding down plate on the die holder along the annular runner in the feed seat through the extruder and transmit the colloid, connect the colloid temperature of control mould intracavity through the control by temperature change, transmit the colloid along the die cavity to form the packing element and transmit the shaping that carries out the ampoule to forming die in along adjusting part at the discharge end of die cavity.

The utility model has the following beneficial effects:

the utility model relates to an annular rubber barrel extrusion head, which transmits colloid in an extruder into the extrusion head along a feeding seat, divides the colloid into two parts and four parts for transmission through an annular runner on the feeding seat, transmits the colloid into a die cavity through the annular runner by fixing a die core plate on a die seat and connecting the die core plate with a lower pressing plate through an upper pressing plate and a die core plate, and transmits the colloid into the die cavity through the annular runner and transmits the colloid through a guide runner at the discharge end of the die cavity, wherein temperature control joints are uniformly distributed on the die seat, and the colloid in the die cavity is heated and the temperature of the colloid is controlled through the temperature control joints, so that the colloid is prevented from being adsorbed on the inner wall of the die cavity due to overhigh temperature of the colloid, the colloid flow at the outlet of the die cavity is too low, and the wall thickness of a rubber barrel cannot meet the production requirement.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

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

fig. 2 is a schematic structural view of the length adjustment assembly of fig. 1.

Illustration of the drawings:

21. a die holder; 211. an upper pressure plate; 212. a lower pressing plate; 213. a space plate; 214. a fastening assembly; 2141. fastening screws; 215. a feeding seat; 24. a mold core assembly; 241. a core plate; 242. a buffer section; 2421. a first protrusion; 2422. a second protrusion; 243. a mold cavity; 26. an adjustment assembly; 2611. an adjusting plate.

Detailed Description

The embodiments of the utility model will be described in detail below with reference to the accompanying drawings, but the utility model can be embodied in many different forms, which are defined and covered by the following description.

Example 1

As shown in fig. 1 and fig. 2, the present embodiment discloses an annular rubber tube extrusion head, which includes a die holder 21, a feeding seat 215, an upper pressing plate 211, a lower pressing plate 212, a die core assembly 24, and a fastening assembly 214, wherein the die holder 21 is connected to the feeding seat 215, the feeding seat 215 is connected to a discharging end of an extruder, and the rubber body is transmitted into the extrusion head through the feeding seat 215 to perform a pre-forming process. An upper pressing plate 211 and a lower pressing plate 212 are arranged on the die holder 21, the die core assembly 24 is arranged between the upper pressing plate 211 and the lower pressing plate 212, the die core assembly 24 is installed through the upper pressing plate 211 and the lower pressing plate 212, and the die core assembly 24 is fixedly installed through a fastening assembly 214 on the die holder 21.

Referring to fig. 1 and 2, in order to control the conveying flow rate of the gel in the feeding base 215 in the extruder, a feeding assembly is arranged in the feeding base 215, and the conveying flow rate of the gel in the feeding base 215 is controlled by the feeding assembly. The feeding subassembly includes annular flow channel, annular flow channel includes mainstream pipe and reposition of redundant personnel subassembly, when carrying out the blow molding filling of plastics ampoule, heat plastics through the extruder, carry hot melt form colloid through the extruder, transmit the colloid to mainstream pipe department, through reposition of redundant personnel subassembly to the colloid and the reposition of redundant personnel processing of mainstream pipe transmission, and advance to the both sides of extruding the head with the colloid, evenly advance to glue along the both sides of extruding the head with the colloid, guaranteed to extrude the even of the interior volume of glue of head, thereby make the thickness of packing element unanimous, realize the shaping of plastics ampoule.

Referring to fig. 1 and 2, the shunt assembly comprises a first-stage shunt part and a second-stage shunt part, the first-stage shunt part is arranged at the tail end of the main flow pipe and comprises a U-shaped pipe, the bending end of the U-shaped pipe is connected with the main flow pipe, two ends of the U-shaped pipe are arranged in an opening mode, colloid transmitted by the main flow pipe is divided into two parts, and the colloid is controlled to be transmitted. The setting of second grade reposition of redundant personnel portion is at the both ends of U-shaped pipe, and second grade reposition of redundant personnel portion includes two shunt tubes, and the intermediate position of minute pipe communicates with the tip of U-shaped pipe, and the shunt tube is divided into four with the colloid of U-shaped pipe transmission and is transmitted. The both sides setting of shunt tubes is extruding the head and is advancing the both sides of gluing the mouth, advances the even feeding of both sides of gluing the mouth with the colloid along extruding the head and makes the regular demand that accords with production of the shape of extruding the interior packing element of head. The shunt pipe is symmetrically arranged along the axis of the extrusion head in the width direction, so that the glue conveyed in the shunt pipe is uniformly fed to both sides of the extrusion head, the stability of the glue feeding amount in the extrusion head is ensured, and the production requirement is met by stable forming of the glue cylinder.

Referring to fig. 1 and 2, the core assembly 24 includes a core plate 241, the core plate 241 is disposed between the upper pressing plate 211 and the lower pressing plate 212, a mold cavity 243 is formed between the core plate 241 and the upper pressing plate 211 and the lower pressing plate 212, and a glue cartridge is formed by molding and flowing out of glue in the mold cavity 243. Set up adjusting part 26 in the exit of die cavity 243, through the wall thickness of adjusting part 26 control outflow packing element, adjusting part 26 includes regulating plate 2611, regulating plate 2611 sets up on holding down plate 212 and moves the setting and then adjust the width of die cavity export and adjust the wall thickness of packing element, the lower extreme of mold core board still is provided with the guide block, connect the filling needle that passes through the mold core board and lead to the filling needle through the guide block, make in the filling needle steadily pass the injection packing element, to letting in aseptic air or aseptic inert gas in the packing element in the extrusion head when carrying out the filling liquid medicine in the packing element.

Referring to fig. 1 and 2, the extrusion head is further provided with a temperature control assembly, the temperature control assembly includes a temperature control joint, the temperature control joint is arranged on the die holder 21, the temperature in the extruder is monitored and adjusted through the temperature control joint, so that the temperature of the colloid in the die cavity 243 reaches the production requirement, and the temperature control joint is uniformly distributed on the die holder 21.

Referring to fig. 1 and 2, the fastening assembly 214 includes fastening screws 2141, the fastening screws 2141 are disposed on the die holder 21, the fastening screws 2141 are threaded through the die holder 21 and are in threaded connection with the die core plate 241, and the die core plate 241 is fixed on the die holder 21 between the upper pressing plate 211 and the lower pressing plate 212 by the fastening screws 2141.

Referring to fig. 1 and 2, in order to make the gel flow out smoothly along the cavity 243 and compensate for the pressure loss of the gel during extrusion, the pressure from the feeding end of the cavity 243 to the discharging end of the cavity 243 is uniform, so that the extrusion pressure of the gel is uniform. The buffer part 242 includes a first protrusion 2421 and a second protrusion 2422, the first protrusion 2421 and the second protrusion 2422 are spaced apart from each other, the glue is transmitted to the second protrusion 2422 along the first protrusion 2421, and the glue flows along the mold cavity 243 through the first protrusion 2421 and the second protrusion 2422, so as to compensate for pressure loss and reduce gas generation of the glue in the mold cavity 243, so that the glue cartridge molded in the extrusion head meets the production requirement.

The operating principle of the extrusion head of the annular rubber cylinder of the embodiment is as follows: the colloid in the extruder is transmitted to the extrusion head along the feeding seat 215, the colloid is divided into two parts through the annular flow channel on the feeding seat 215, the two parts are divided into four parts for transmission, the mold core plate 241 is fixed on the mold seat 21 and is connected with the mold core plate 241 through the upper pressing plate 211 and the lower pressing plate 212, the mold cavity 243 is formed between the mold core plate 241 and the mold core plate 241, the colloid is transmitted to the mold cavity 243 through the annular flow channel, the colloid is transmitted through the guide flow channel at the discharge end of the mold cavity 243, the temperature control connectors are uniformly distributed on the mold seat 21, the colloid in the mold cavity 243 is heated through the temperature control connectors, the colloid is prevented from being adsorbed on the inner wall of the mold cavity 243 due to overhigh colloid temperature, the colloid flow at the outlet of the mold cavity 243 is too low, and the wall thickness of the rubber barrel cannot meet the production requirement.

Example 2

The difference of this embodiment with embodiment 1 lies in that the temperature control subassembly includes the hot plate, sets up the hot plate on top board 211 and lower clamp plate 212 and along the die cavity 243 setting, when the colloid flows along die cavity 243, continuously heats the colloid under the effect of hot plate, avoids the colloid to contact top board 211 and lower clamp plate 212 and carries out heat-conduction for the colloid cooling adsorbs leads to the transmission of colloid to be obstructed on the inner wall of die cavity 243.

Example 3

The difference of this embodiment with embodiment 1 lies in, the adjusting part is including adjusting the fill, will adjust the discharge gate of fighting the grafting at die cavity 243, flows out the colloid along the inner wall of adjusting the fill to form the packing element and satisfy the production demand, the size of adjusting the fill according to the specification of production can acquire the packing element that different sizes carry out the production of the ampoule of different sizes.

The embodiment further discloses a blowing, filling and sealing device, when the ampoule bottle is produced, the extruder transfers the colloid to the mold cavity 243 between the mold core plate 241 and the upper pressing plate 211 and the lower pressing plate 212 on the mold base 21 along the annular flow channel in the feeding base 215 to transfer the colloid, the temperature of the colloid in the mold cavity 243 is controlled through the temperature control connector, the colloid is transferred along the mold cavity 243, and the discharge end of the mold cavity 243 forms a glue cylinder along the adjusting component and is transferred to the forming mold to form the ampoule bottle.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a head is extruded to annular packing element which characterized in that: including die holder (21), feeding seat (215), upper press plate (211) and lower press plate (212), the upper press plate and the lower press plate in the die holder is relative to be laid in groups on the upper, die holder (21) with feeding seat (215) are connected, upper press plate (211) set up in on die holder (21), lower press plate (212) set up in the below of upper press plate (211), still include:

the mold core assembly (24), the mold core assembly (24) is arranged on the mold base (21), the mold core assembly (24) is positioned between the upper pressing plate (211) and the lower pressing plate (212), and the mold core assembly (24) is used for molding a rubber cylinder;

a fastening assembly (214), the fastening assembly (214) being disposed on the die holder (21), the fastening assembly (214) being for connecting the die core assembly (24) with the die holder (21).

2. The annular glue barrel extrusion head of claim 1, wherein: and a feeding assembly is arranged in the feeding seat (215), and is used for controlling the transmission of the colloid flow transmitted by the extruder.

3. The annular glue barrel extrusion head of claim 2, wherein: the feeding assembly comprises an annular flow channel, and the annular flow channel is used for carrying out symmetrical multi-stage transmission on the colloid transmitted by the extruder and transmitting the colloid to the mold core assembly (24) for molding the rubber barrel.

4. The annular glue barrel extrusion head of claim 3, wherein: the mold core assembly (24) comprises a mold core plate (241), the mold core plate (241) is arranged on the mold base (21), the mold core plate (241) is arranged between the upper pressing plate (211) and the lower pressing plate (212), a mold cavity (243) is formed between the upper pressing plate (211) and the mold core plate (241), and the mold cavity (243) is used for conveying glue.

5. The annular glue barrel extrusion head of claim 4, wherein: an outlet of the die cavity (243) is provided with an adjusting assembly, the adjusting assembly is arranged on the lower pressing plate (212), and the adjusting assembly is used for conveying the colloid in the die cavity (243) and enabling the colloid to naturally flow downwards so as to form the ampoule bottle.

6. The annular glue barrel extrusion head of claim 5, wherein: the adjusting part comprises an adjusting block and a guide block, the adjusting block is connected onto the lower pressing plate (212), the guide block is connected onto the die core plate (241), the adjusting block guide block is used for guiding and transmitting the colloid in the die cavity (243), the guide block is used for fixing and guiding the filling needle, a temperature control component is arranged on the die seat (21), and the temperature control component is used for controlling the temperature of an annular flow passage in the die seat (21) so as to stably transmit the colloid to the die cavity (243).

7. The annular glue barrel extrusion head of claim 6, wherein: the temperature control assembly comprises a temperature control joint, and the temperature control joint is connected to the die holder (21) and uniformly distributed along the die holder (21).

8. The annular glue barrel extrusion head of claim 7, wherein: the fastening assembly (214) comprises a fastening screw (2141), and the fastening screw (2141) penetrates through the die core plate (241) in a threaded manner and is connected with the die holder (21) in a threaded manner.

9. The annular glue barrel extrusion head of claim 4, wherein: the die core plate (241) is provided with a buffer part (242), the buffer part (242) comprises a first protrusion (2421) and a second protrusion (2422), and the first protrusion (2421) and the second protrusion (2422) are arranged on the outer wall of the die core plate (241) at intervals.

10. The utility model provides a blow embedment equipment which characterized in that: comprising a toroidal tube extrusion head according to any of the preceding claims 1-9.

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