KR102492171B1 - Liquid substance infusion device for syringe-shaped containers - Google Patents

Abstract

The present invention relates to a liquid substance injection device for a syringe-shaped container capable of simultaneously injecting liquid substances including cosmetics in a plurality of syringe-shaped containers in a fixed amount, effectively preventing liquid leakage and bubble inflow during injection, and maintaining quality. will be.

Description

Liquid substance infusion device for syringe-shaped containers}

The present invention relates to a liquid substance injection device, and more particularly, to a syringe form capable of simultaneously injecting a liquid substance including cosmetics in a fixed amount into a plurality of syringe-shaped containers, effectively preventing liquid leakage and bubble inflow during injection, and maintaining quality. It relates to a liquid material injection device for a container of

A conventional injection device for filling a container with a liquid substance has a structure that injects the substance through a nozzle located on the upper side into the lower container inlet. However, there was a problem that bubbles were introduced into the material to be filled.

In particular, in the case of cosmetics and other substances accompanied by deterioration or quality deterioration due to air contact and inflow of air bubbles, the nozzle and container entrance must be closely adhered to prevent air contact, but the container that expands when the contents are injected contracts with the separation of the nozzle and the contents Couldn't stop the flow.

As a result, whenever the filling operation is completed, there is no choice but to locate the contact portion of the container inlet and the nozzle, which causes a lot of hassle and delay in the operation.

In addition, in the prior art, as a pump is used to inject a certain amount of liquid into a container through a nozzle, the volume of the pump and the device for control increases, as well as the high manufacturing cost of the device, as well as the suction of raw materials and the pump for week As air bubbles are generated during operation and injected together, a small amount of material is not only difficult to quantify, but also has a problem of deteriorating product quality.

Republic of Korea Patent Publication No. 2016-0115198 (2016.10.06) Japanese Patent Registration No. 3268544 (2002.01.18)

The present invention was created to solve the above problems, and an object of the present invention is to simultaneously inject a liquid substance including cosmetics into a plurality of syringe-shaped containers, and to effectively prevent liquid leakage and bubble inflow during injection. It is to provide an injection device for filling a plurality of containers of a structure with a liquid material.

For the above purpose, the present invention has a barrel with an inlet protruding at the bottom and a protrusion formed outward at the top, and a plunger that moves inside the barrel, but has a gasket at the bottom and a relatively wide area at the top. An injection device for filling a liquid material into a syringe-shaped container having a formed piston rod, wherein the barrel and the protrusion are inserted in the front, a first support groove is formed to fix the movement in the vertical direction, and a frame fixed to the ground is formed. A fixing plate that is fixed in position through; a movable plate located above the fixed plate and movable in an up-and-down direction, into which a piston rod is inserted corresponding to the position of the first support groove and having a second support groove having a size relatively smaller than that of the plunger; a driving unit comprising a lifting bar connected to an upper side of the moving plate and an actuator that lifts and lowers the lifting bar; As the barrel is inserted into the first support groove, the main discharge part coupled to the inlet is formed at the top, the supply part is formed at the bottom, and the filled material is introduced into the inside through the supply part to reduce the pressure inside the container. a supply module discharged through the main discharge unit by; a receiving portion in which liquid material is accommodated, and liquid material is supplied through the main discharge portion and the supply tube; It is characterized by consisting of.

At this time, a lifting rod connected to the upper side of the moving plate and having a contact protrusion protruding from the upper side to the side, and a lifting rod fixed to the frame and spaced apart in the vertical direction corresponding to the moving distance of the piston rod, and in contact with the contact protrusion a movement limiting unit having a pair of limit switches for limiting the operation of the actuator by; It is preferable to further include.

In addition, in the supply module, the supply part is formed by being eccentric to the outside, but an opening and closing plate of a check valve structure that allows only suction of liquid substances is installed, and the main discharge part communicates with a suction pipe extending downward, from the inside bottom to the top. It is formed at a height set toward the suction pipe, and a barrier rib is formed between the supply unit and the suction pipe to prevent air bubbles mixed through the supply unit from flowing into the suction pipe.

In addition, a secondary discharge unit formed adjacent to the main discharge unit so that the inside and outside communicate with each other, a circulation tube connecting the secondary discharge unit and the receiving unit, and a material inside the secondary discharge unit installed on the circulation tube and having a self-priming function an air purge unit having a circulation pump that sucks in and transfers the air to the receiving unit; may further include.

In addition, the supply module may further include a heating unit for heating the liquid material accommodated therein to a set temperature, and a vibrating body for applying vibration to float air bubbles mixed therein.

Through the present invention, in filling a syringe-shaped container with a liquid substance, including cosmetics, a quantitative injection operation can be performed simultaneously with respect to a plurality of containers. In addition, when liquid material is injected, leakage of the liquid and inflow of air bubbles can be effectively prevented, thereby effectively preventing quality deterioration.

1 is a perspective view showing an external appearance according to an embodiment of the present invention;
2 is a front view showing an external appearance according to an embodiment of the present invention;
3 is a side view showing a container structure according to an embodiment of the present invention;
4 is a state diagram showing a state of filling according to an embodiment of the present invention;
5 is a side view showing the structure of an injection module according to another embodiment of the present invention;
6 is a side cross-sectional view showing the internal structure of an injection module according to another embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, the configuration of the injection device for filling the liquid material in a plurality of containers of the present invention will be described in detail.

1 is a perspective view showing an external appearance according to an embodiment of the present invention, and FIG. 2 is a front view showing an external appearance according to an embodiment of the present invention.

The present invention is basically configured to simultaneously fill a plurality of containers with a liquid substance, and although the liquid substance is not specifically limited, cosmetics manufactured by the present applicant are representative examples.

In addition, although 10 are shown as an example in the accompanying drawings as the number of containers capable of simultaneous injection operation, it is natural that the number of containers capable of simultaneous injection operation can be appropriately modified according to the capacity of the container, and the same structure It can be expanded to work with more containers simultaneously.

In addition, since the configuration and operation for injection into each container during simultaneous injection are substantially the same, one container injection operation will be described below as a main embodiment.

Figure 3 is a side view showing a container structure according to an embodiment of the present invention, although the expression 'container' is provided, it is assumed that it is substantially made of the same form as the syringe.

That is, the container 7 of the present invention has a cylindrical barrel 71 having an inlet 711 protruding at the bottom and a protrusion 712 extending outward at the top, based on the erected form as shown in the accompanying drawings. , While moving in the vertical direction inside the barrel 71, the piston rod 72 is located.

At the bottom of the piston rod 72, a gasket 721 is formed in close contact with the inner wall of the barrel 71 to pressurize or depressurize the inner space of the lower barrel 71, and at the top of the piston rod 72, the area is relatively widened. A plunger 723 is formed.

In the present invention, the container 7 of this type is installed in a state where the initial gasket 721 is in close contact with the lower end, and by pulling the plunger 723 upward, the lower portion of the gasket 721 is depressurized to enter the inlet 711. The contact liquid material is sucked and filled into the barrel 71.

The present invention is basically provided with a frame (1) fixed to the ground to form a skeleton, and a fixing plate (11) for fixing the container (7) is installed in a fixed position on the frame (1).

Specifically, a first support groove 111 open toward the front is formed on the fixing plate 11, and the first support groove 111 is inserted into the barrel 71 and the protrusion 712 in the forward and backward directions, It is formed to have a width equal to or larger than the outer diameter of the barrel 71 so that it can be released from the inserted state.

In addition, the first support groove 111 is provided with a groove having a shape corresponding to the external standard of the protrusion 712 so that the protrusion 712 is inserted together, but the upper and lower sides of the inserted protrusion 712 are blocked. Although the container 7 can be inserted and removed from the first support groove 111 in the forward and backward directions, the container 7 inserted into the first support groove 111 does not move vertically.

In the accompanying drawings, 10 first support grooves 111 are formed in an embodiment capable of simultaneous injection into 10 containers, but may be appropriately adjusted according to the number of containers installed, standards, and product specifications.

A moving plate 12 is positioned above the fixed plate 11 in a form capable of moving vertically inside the frame 1 .

At this time, the same number of second support grooves 121 are formed on the moving plate 12 corresponding to the positions of the first support grooves 111 formed on the lower fixing plate 11 . Specifically, the second support groove 121 is formed with a width into which the piston rod 72 protruding upward from the container 7 installed on the fixing plate 11 can be inserted, and the plunger 723 at the top of the piston rod 72 After the container 7 is inserted, the plunger 723 comes into contact with the upper surface of the moving plate 12.

4 is a state diagram showing a filling state according to an embodiment of the present invention.

In this way, in a state in which the moving plate 12 moves downward, a plurality of containers 7 are placed in the first support groove 111 of the fixed plate 11 and the second support groove 121 of the moving plate 12. As the moving plate 12 is fixed and moved upward, all plungers 723 are pulled upward at the same time, and the inside of the barrel 71 is simultaneously depressurized.

In this way, a driving unit 2 is provided above the frame 1 to move the moving plate 12 up and down. The moving plate 12 can be raised and lowered by various mechanisms. Basically, the lifting bar 21 is connected vertically to the upper side of the moving plate 12, and the lifting bar 21 is set through the actuator 22. The driving unit 2 is configured to move up and down within a range.

The actuator 22 can be typically configured by a pneumatic method or an electric method, and the lifting bar is raised and lowered through an actuator having a cylinder operated by a pneumatic method, or a driving gear is formed outside the lifting bar and the electric motor The lifting bar may be moved up and down by an actuator having a motor and a conversion gear engaged with the drive gear.

At this time, in order to prevent breakage of the container 7 or separation of the piston rod 72 from the barrel 71 by limiting the pulling range of the plunger 723 according to the length of the barrel 71, the movement limiting unit 5 It is necessary to provide

For this purpose, the movement limiting unit 5 is connected to the upper side of the moving plate 12, and the lifting rod 51 having a contact protrusion 52 protrudes from the upper side to the side, and a position fixed to the frame 1 and the piston It is installed spaced apart in the vertical direction corresponding to the moving distance of the rod 72 and consists of a pair of limit switches 53 that limit the operation of the actuator 22 by contact with the contact protrusion 52.

To the lower side of the container 7 fixed to the fixing plate 11, as the barrel 71 is inserted into the first support groove 111, the injection port 711 is coupled to the supply module 3 for supplying liquid material. ) is installed.

Specifically, the supply module 3 is a cylindrical structure in which a main discharge part 31 connected to the inlet 711 is formed upward and a supply part 32 for supplying liquid material downward is formed. It is configured so that the substance can remain contained.

That is, the liquid material filled according to the pressure of the barrel 71 of the container 7 connected to the upper side is discharged through the main discharge part 31 and injected into the barrel 71 and simultaneously through the supply part 32 to be described later The liquid material is introduced from the container 4 to maintain a filled state.

At this time, preferably, the upper end of the main discharge part 31 is made of an elastic material so that the inlet 711 of the container 7 is connected in an inserted form while maintaining close contact.

In addition, as a tank-type structure in which a large amount of liquid material is accommodated, a receiving part 4 is provided to supply liquid material to the supply module 3 by being connected through the main discharge part 31 and the supply tube 41. do.

The accommodating part 4 is a tank for accommodating raw materials in liquid form such as cosmetics filled in a container, and is preferably installed at a relatively lower height than the supply module 3, and the supply tube 41 has one end The other end is connected to the supply part 32 of the supply module while the receiving part 4 is immersed in the liquid material, and the liquid material is introduced into the barrel 71 as mentioned above while the liquid material is filled therein. At the same time as the introduction, the liquid material in the receiving part 4 is sucked in and supplied to the inside of the supply module 3 so that the filled state of the liquid material is maintained.

5 is a side view showing the structure of an injection module according to another embodiment of the present invention. In the present invention, in order to prevent the inflow of air bubbles when the liquid material is injected into the container 7, the filling state of the liquid material must be maintained from the receiving part 4 to the supply tube 41 and the supply module 3. do.

In particular, when the initial supply tube 41 and the supply module 3 are empty, an air purge operation is required to remove air while filling the inside of the supply tube 41 and the supply module 3 with liquid material. In the accompanying drawing 5 of the invention, an air purge unit 6 is formed for this purpose.

Although two supply modules 3 are illustrated in the accompanying drawings, it is obvious that air purge of all supply modules 3 provided can be achieved by applying substantially the same configuration and principle.

To this end, the air purge unit 6 includes a secondary discharge unit 61 formed above the supply module 3 and adjacent to the main discharge unit 31 so that the inside and outside communicate with each other, and the secondary discharge unit 61 ) and a circulation tube 62 connecting the receiving part, and a circulation pump 63 installed on the circulation tube 62 and sucking substances inside the auxiliary discharge part 61 with a self-priming function and transferring them to the receiving part 4 ) is composed of

That is, one end of the circulation tube 62 is connected to the auxiliary discharge part 61 formed on the upper side of the supply module 3, but the other end is configured to be connected to the inlet side of the circulation pump 63, and the circulation pump ( 63), the air purge unit is configured in the form of connecting another circulation tube 62 from the other end to the receiving unit 4.

At this time, the circulation pump 63 is a pump having a self-priming function and sucks air inside the initial supply module 3 and the supply tube 41, and at the same time, the inside of the supply module 3 is depressurized, and the liquid phase from the receiving part 4 The material can be filled, and even after filling the liquid material, the circulation pump 63 can be driven for a certain period of time to remove entrained air bubbles.

In addition, when the circulation pump 63 operates, a cap is placed so that air does not flow into the main discharge part 31, or preferably, the inlet 711 of the container 7 is inserted into the main discharge part 31 In this state, the circulation pump 63 is operated.

6 is a side cross-sectional view showing the internal structure of an injection module according to another embodiment of the present invention.

As mentioned above, in the present invention, in injecting the liquid material into the container 7, it is important to prevent air bubbles from being mixed to maintain quality, and for this purpose, the inside of the supply module 3 and the supply tube 41 is always in the liquid state. The filling state of the material must be maintained. This function can be performed through the aforementioned air purge unit 6, but in addition to this, a more reliable process can be performed through the following configuration.

In another embodiment of the present invention, as shown in the attached FIG. 6, the supply unit 32 is formed by being eccentric to the outside of the supply module 3, but the opening and closing plate 321 of the check valve structure allows only suction of liquid material to the inside. ) is installed. That is, the opening/closing plate 321 is naturally opened and allowed to flow as the liquid material moves from the outside of the supply unit 32 to the inside of the supply module 3, but is closed by counter pressure in the opposite direction to prevent reverse flow of the liquid material and supply The liquid material filling state is maintained inside the module (3).

In addition, the main discharge part 31 communicates with the suction pipe 311 extending downward, is formed at a height set upward from the inner bottom surface, and forms a partition wall between the supply part 32 and the suction pipe 311 to form a supply part ( A barrier 33 is formed to prevent air bubbles mixed through 32 from flowing into the suction pipe 311 .

That is, when bubbles are unintentionally introduced through the supply unit 32, the bubbles are moved upward due to the specific gravity of the liquid material. Accordingly, since the lower end of the suction pipe 311 is positioned lower than the upper end of the partition wall 33 , it is possible to effectively prevent air bubbles from being sucked into the suction pipe 311 .

At this time, the supply module 3 includes a heating unit 34 for heating the liquid material contained therein to a set temperature so as to promote the movement and removal of the air bubbles entrained therein, and a vibration for applying vibration to lift the air bubbles entrained therein. It will further include a sieve 35.

The heating unit 32 is an electric heating coil configured to surround the supply module 3 and promotes the rise of air bubbles by increasing the fluidity of the liquid material within a temperature range in which the quality of the liquid material does not occur. In addition, the vibration body 35 is a vibration motor installed on a part of the frame fixing the supply module 3, and as mentioned above, vibrates the supply module 3 in a state in which the fluidity of the liquid material is increased through heating. The application promotes the rise of air bubbles and allows air bubbles attached to the inner wall and internal structure of the supply module to fall off.

The rights of the present invention are defined by what is described in the claims, not limited to the embodiments described above, and that those skilled in the art can make various modifications and adaptations within the scope of rights described in the claims. It is self-evident.

1: frame 11: fixing plate 111: first support groove
12: moving plate 121: second support groove
2: driving unit 21: lifting bar 22: actuator
3: supply module 31: main discharge unit 311: suction pipe
32: supply unit 321: opening and closing plate
33: bulkhead 34: heating unit
35: vibrating body
4: receiving part 41: supply tube
5: movement limiting unit 51: lifting rod 52: contact protrusion
53: limit switch
6: air purge unit 61: auxiliary discharge unit 62: circulation tube
63: circulation pump
7: container 71: barrel 711: inlet
712 protrusion
72: piston rod 721: gasket
723: plunger

Claims (5)

A barrel 71 with an inlet 711 protruding from the bottom and a protruding part 712 extending outward at the top, and moving inside the barrel 71, the gasket 721 has a relatively large area at the bottom and a gasket 721 at the bottom. An injection device for filling a liquid material into a syringe-shaped container 7 having a piston rod 72 having a widening plunger 723 formed thereon,
The barrel 71 and the protrusion 712 are inserted in the front, a first support groove 111 is formed to fix the vertical movement, and the fixing plate 11 is fixed in position through the frame 1 fixed to the ground ;
Located on the upper side of the fixing plate 11 and movable in the vertical direction, a piston rod is inserted corresponding to the position of the first support groove 111, and the second support has a relatively smaller size than the plunger 723. a moving plate 12 having grooves 121;
a driving unit 2 comprising a lifting bar 21 connected to the upper side of the moving plate 12 and an actuator 22 that lifts and lowers the lifting bar 21;
As the barrel 71 is inserted into the first support groove 111, the main discharge part 31 coupled to the inlet 711 is formed at the upper end, the supply part 32 is formed at the lower side, and the supply part is formed to the inside. A supply module (3) in which the material introduced through (32) and filled is discharged through the main discharge part (31) by a drop in pressure inside the container (7);
a receiving portion 4 in which liquid material is accommodated, and liquid material is supplied through the main discharge portion 31 and the supply tube 41; consists of,
The supply unit 32 is formed by being eccentric to the outside, and an opening and closing plate 321 having a check valve structure that allows only suction of liquid substances is installed,
The main discharge part 31 communicates with the suction pipe 311 extending downward,
A partition wall 33 formed at a height set from the inner lower side toward the upper side between the supply unit 32 and the suction tube 311 to prevent air bubbles mixed through the supply unit 32 from entering the suction tube 311, The lower end of the suction pipe 311 is located lower than the upper end of the partition wall 33,
An auxiliary discharge part 61 formed adjacent to the main discharge part 31 so that the inside and outside communicate with each other, a circulation tube connecting the auxiliary discharge part 61 and the receiving part 4, and on the circulation tube An air purge unit 6 having a circulation pump 63 installed and sucking substances inside the auxiliary discharge unit 61 with a self-priming function and transferring them to the accommodation unit 4; Including more,
The supply module 3,
Characterized in that it further comprises a heating unit 34 for heating the liquid material contained therein to a set temperature, and a vibrating body 35 for applying vibration to the supply module 3 to float air bubbles mixed therein Injection device for liquid material filling.
According to claim 1,
The elevating rod 51 connected to the upper side of the moving plate 12 and having a contact protrusion 52 protruding from the upper side to the side, and the position fixed to the frame 1, corresponding to the moving distance of the piston rod 72 a movement limiting unit 5 having a pair of limit switches 53 installed spaced apart in the vertical direction and limiting the operation of the actuator 22 by contact with the contact protrusion 52; An injection device for filling a liquid material, characterized in that it further comprises.
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