JP2009228603A - Device for taking out high viscosity object and method for taking out high viscosity object - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for taking out a high viscosity object and a method for taking out the high viscosity object capable of taking out a small quantity of the high viscosity object easily and accurately in terms of weight. <P>SOLUTION: The high viscosity object 1 stored in a first piston pump 110 beforehand is discharged from the first piston pump 110. The high viscosity object 1 discharged from the first piston pump 110 through a carrier passage of which one end is connected to the first piston pump 110 is carried. The high viscosity object 1 carried through the carrier passage is sucked and stored in a second piston pump 120 connected to the other end of the carrier passage and having an inner diameter smaller than an inner diameter of the first piston pump 110 (strictly speaking, an inner diameter of a first cylinder 111). The high viscosity object 1 stored in the second piston pump 120 is discharged from the second piston pump 120 by blocking an intermediate part of the carrier passage and opening a delivery passage for establishing communication between the second piston pump 120 and the outside. The high viscosity object 1 discharged from the second piston pump 120 is taken out to the outside through the delivery passage. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a technique for easily and highly accurately removing a high-viscosity body.

  Conventionally, as a method for taking out a desired weight of a substance having fluidity such as a liquid, (a) a method using a flow sensor and an on-off valve provided in the middle of a conveyance path for conveying an object, and (b) an object A method for measuring the weight of a container filled with an object, (c) a method using a piston pump, and the like are known.

  As a method of (a) above, a container (primary container) that is already filled with an object is connected to one end of the conveyance path, and a container (secondary container) that is filled with an object after measurement is filled at the other end of the conveyance path. Based on the flow rate of the object passing through the conveyance path detected by the flow rate sensor, by transporting the object from the primary container to the secondary container through the conveyance path by connecting the container) and pressurizing the inside of the primary container In this method, the weight of the object transferred from the primary container to the secondary container is calculated, and the open / close valve is closed when the calculated weight of the object reaches the desired weight. It has been. For example, as described in Patent Document 1.

  As the method (b), a load cell is provided on an arm that supports a container filled with an object, the object is filled into the container, and the load cell detection value (the weight of the container and the weight of the object is determined). A method is known in which filling of the object into the container is stopped when the total value) reaches a predetermined value. For example, as described in Patent Document 2.

As the method (c), a needle valve is provided in the middle of the path connecting the piston pump and the nozzle, and the weight of the object discharged from the nozzle is adjusted by adjusting the opening of the needle valve. The method is known. For example, as described in Patent Document 3.
Further, as another method of (c) above, a method of adjusting the weight of an object discharged from the piston pump by controlling the movement amount of the piston of the piston pump with a servo motor is known. For example, as described in Patent Document 4.

  However, in the method described in Patent Document 1, when the target object is fluid but highly viscous (high viscosity body), such as a polymerizable resin, the flow sensor detects the flow rate of the high viscosity body. It is difficult to detect with high accuracy, and as a result, it is difficult to take out only a small amount of the object with high accuracy of weight. The details are as follows.

There are various types of flow rate sensors such as an orifice type flow rate sensor, a float type flow rate sensor, and an impeller type flow rate sensor.
The orifice type flow sensor detects the flow rate of the object based on the differential pressure generated when the object passes through the orifice. However, since the cross section of the orifice is small, the orifice may be clogged with a highly viscous material.
The float type flow sensor is composed of a cylinder and a float provided in the cylinder, and the target is based on the position of the float in the cylinder that moves according to the flow rate of the target passing through the gap between the cylinder and the float. However, since the gap between the cylinder and the float is also narrow, the cylinder of the float type flow sensor may be clogged with a highly viscous material.
The impeller-type flow rate sensor is composed of an impeller that rotates in contact with the flow of an object and a sensor (rotary encoder) that detects the amount of rotation of the impeller. Rotation may be hindered.
In addition to the above, an electromagnetic flow sensor is known as the flow sensor, but the electromagnetic flow sensor is generated in the pickup coil by applying a magnetic field perpendicular to the flow direction of the object having electrical conductivity. Since the flow rate of the object is detected based on the voltage, there is a problem that the flow rate cannot be detected when the object is an insulator.
Thus, many flow sensors are difficult to accurately measure the flow rate of a high-viscosity material due to their properties.

  Since the method described in Patent Document 2 measures the total of the weight of the container filled with the object and the weight of the object, the weight of the object is smaller than the weight of the container, or the weight of the container When the total of the weight of the object itself is small, there is a problem that the weight accuracy is lowered.

  The method described in Patent Document 3 has a problem that the needle valve is clogged when the object is a highly viscous body.

In the method described in Patent Document 4, it is necessary to reduce the cylinder inner diameter of the piston pump in order to improve the accuracy of the discharge amount of the object under the condition that the operation accuracy of the servo motor is constant.
However, when the cylinder inner diameter of the piston pump is reduced, the volume per unit length of the cylinder is reduced, and when the cylinder is used for the purpose of repeatedly taking out a predetermined amount of the object, the cylinder must be frequently refilled with the object. Don't be. Repacking a high-viscosity material that does not flow under its own weight into a small-capacity cylinder frequently and in small amounts is complicated, and when air (bubbles) are involved in the high-viscosity material and the bulk density changes and is discharged from the piston pump This causes a decrease in the accuracy of the discharge amount.
As a method for solving the above problem, it is conceivable to increase the cylinder volume by increasing the total length of the cylinder. However, this method increases the size of the device (lengthening) and decreases the maintainability (difficult cleaning, etc.). Invite such problems.
JP 2006-335382 A JP 2005-231664 A JP 2000-177702 A JP 2000-168703 A

  The present invention has been made in view of the above circumstances, and provides a high-viscosity body take-out apparatus and a high-viscosity body take-out method that can easily take out a relatively small amount of a high-viscosity body with high weight accuracy. is there.

  The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described.

That is, in claim 1,
A first cylinder containing a high-viscosity body, and a first piston abutting liquid-tightly and slidably on the inner peripheral surface of the first cylinder, the first piston being in a direction to be immersed in the first cylinder A first piston pump that discharges a highly viscous body accommodated in the first cylinder by sliding;
A second cylinder having an inner diameter smaller than the inner diameter of the first cylinder, and a second piston abutting liquid-tightly and slidably on the inner peripheral surface of the second cylinder, wherein the second piston is the second cylinder The high-viscosity body is sucked into the second cylinder by sliding in the direction protruding from the cylinder, and the second piston is sucked into the second cylinder by sliding in the direction of immersing in the second cylinder. A second piston pump for discharging the high-viscosity material,
A transport path communicating the first cylinder and the second cylinder;
The first is arranged in the middle of the transport path, and the first cylinder and the second cylinder are switched to an open state where the transport path communicates or a closed state where the midway part of the transport path is closed. A switching valve,
A discharge path communicating the second cylinder with the outside;
A second switching valve that is arranged in the middle of the discharge path and switches between the open state in which the discharge path communicates with the second cylinder and the outside and the closed state in which the middle part of the discharge path is closed When,
It comprises.

In claim 2,
When the first switching valve is in the open state and the second switching valve is in the closed state, the first piston slides in the direction of immersing in the first cylinder and the second piston protrudes from the second cylinder. By sliding in the direction, the high-viscosity body accommodated in the first cylinder is conveyed through the conveyance path and sucked into the second cylinder,
The first switching valve is switched to a closed state, the second switching valve is switched to an open state, and the second piston slides in a direction to be immersed in the second cylinder so that the second switching valve is moved from the other end of the discharge path. It discharges viscous material.

In claim 3,
When the high-viscosity body discharged from the other end of the discharge path reaches a predetermined amount, the second piston is slid in a direction protruding from the second cylinder.

In claim 4,
The second piston pump and the transfer path can be attached and detached at a connection portion between the second piston pump and the transfer path.

In claim 5,
The high-viscosity body previously stored in the first piston pump is discharged from the first piston pump, and the high-viscosity body discharged from the first piston pump is transported through a transport path having one end connected to the first piston pump. And a conveying step of sucking the high-viscosity material conveyed through the conveying path into a second piston pump connected to the other end of the conveying path and having an inner diameter smaller than the inner diameter of the first piston pump;
Closing a midway portion of the transport path, opening a discharge path communicating with the second piston pump and the outside, discharging a high-viscosity material sucked into the second piston pump from the second piston pump, A take-out step of taking out the high-viscosity body discharged from the second piston pump to the outside through the discharge path;
It comprises.

In claim 6,
In the removing step,
When the high-viscosity body taken out reaches a predetermined amount, the second piston pump is operated to suck in the high-viscosity body remaining in the discharge path.

In claim 7,
In the removing step,
The high-viscosity body discharged to the outside is injected into a container, and when the high-viscosity body injected into the container reaches a predetermined amount, the discharge direction of the high-viscosity body discharged from the discharge path is a central axis. The container is rotated as follows.

  The present invention has an effect that a relatively small amount of a high-viscosity body can be taken out easily and with high weight accuracy.

Below, the taking-out apparatus 100 which is one Embodiment of the highly viscous body taking-out apparatus which concerns on this invention using FIG. 1 and FIG. 2 is demonstrated.
The take-out device 100 is a device that takes out a desired amount of the high-viscosity body 1 (see FIG. 2).

The “high viscosity body” is an object handled by the high viscosity body removal apparatus and the high viscosity body removal method according to the present invention, and widely includes substances that can flow and have a high viscosity. Further, from the viewpoint of taking out with high weight accuracy, it is preferable that the volume of the high-viscosity material is not substantially changed by the action of pressure.
The high-viscosity body usually consists of a liquid (including a mixture of a plurality of types of liquids), a solid (including a mixture of a plurality of types of solids), or a mixture of a liquid and a solid.
Specific examples of the high-viscosity material include resin, elastomer, rubber, clay, cement before curing, butter, margarine, bread dough, rice bran, starch syrup and the like.
A high-viscosity material can be defined as a substance having a viscosity of “a degree that cannot flow due to its own weight” or “a degree that is difficult to flow due to its own weight”, and a viscosity measured by a viscometer. It is also possible to define as a substance that shows a predetermined value or more.
The “degree to which it is not possible to flow under its own weight” refers to, for example, the degree to which a stationary object can maintain its shape.
The “degree to which it is difficult to flow under its own weight” refers to, for example, the degree to which a stationary object can maintain its shape for a considerably long time (for example, several seconds or more).

  As shown in FIG. 1, the take-out device 100 mainly includes a first piston pump 110, a second piston pump 120, a connecting block 130, a first switching valve 140, a second switching valve 150, an orifice member 160, and a nozzle 170.

The first piston pump 110 is an embodiment of the first piston pump according to the present invention.
The first piston pump 110 has a first cylinder 111 and a first piston 112.

The first cylinder 111 is a substantially cylindrical member.
One end of the inner peripheral surface of the first cylinder 111 is greatly opened, and the inner diameter of the first cylinder 111 is constant from one end of the inner peripheral surface of the first cylinder 111 to the front of the other end, and from the front of the other end to the other end. The diameter is reduced to a substantially conical shape. At the other end of the first cylinder 111, a discharge port 111a, which is a hole that communicates the internal space of the first cylinder 111 with the outside, is formed.
As shown in FIG. 2, the high viscosity body 1 is accommodated in the first cylinder 111.

The first piston 112 has a piston portion 112a and a rod portion 112b.
The piston portion 112a is a member that is in liquid-tight and slidable contact with the inner peripheral surface of the first cylinder 111. The piston portion 112a of the present embodiment has a shape in which a cylinder and a cone are stacked, and the conical portion of the piston portion 112a corresponds to the shape of the other end of the inner peripheral surface of the first cylinder 111.
The rod part 112b is a rod-shaped member. One end of the rod portion 112b protrudes from the opening portion at one end of the first cylinder 111, and the other end of the rod portion 112b is fixed to a cylindrical portion of the piston portion 112a.

The rod portion 112b is connected to a “first servo motor (not shown)”.
The “first servo motor” includes a direction in which the first piston 112 is immersed in the first cylinder 111 (a direction in which the piston portion 112a approaches the discharge port 111a) and a direction in which the first piston 112 protrudes from the first cylinder 111 (the piston portion 112a discharges). In a direction away from the outlet 111a).
The “first servo motor” can control its own operation amount, and in turn, the sliding amount of the first piston 112 with respect to the first cylinder 111.

When the first piston 112 slides in the direction of immersing the first cylinder 111 in a state in which the high-viscosity body 1 is accommodated in the first cylinder 111, the first piston pump 110 is moved to the height that is accommodated in the first cylinder 111. The viscous body 1 can be discharged from the discharge port 111a.
At this time, the amount (weight) of the high-viscosity body 1 discharged from the discharge port 111a can be adjusted by controlling the operation amount of the “first servo motor”.

It is desirable that the materials constituting the first cylinder 111 and the first piston 112 are appropriately selected according to the properties of the high-viscosity body 1 or usage conditions (pressure, etc.). For example, the material constituting the first cylinder 111 and the first piston 112 is desirably a material that does not cause a chemical reaction by contacting the high-viscosity body 1, and the high-viscosity body 1 reacts to light of a predetermined wavelength. When a chemical reaction occurs, it is desirable not to transmit light of the wavelength.
Examples of the material constituting the first cylinder 111 and the first piston 112 include various metal materials, glass, quartz, resin, elastomer, and the like.

The second piston pump 120 is an embodiment of the second piston pump according to the present invention.
The second piston pump 120 has a second cylinder 121 and a second piston 122.

The second cylinder 121 is a substantially cylindrical member. Both ends (one end and the other end) of the second cylinder 121 are open, and the other end of the second cylinder 121 forms a discharge port 121a. A substantially disc-shaped flange 121 b is formed around the discharge port 121 a of the second cylinder 121.
As shown in FIG. 1, the inner diameter R <b> 2 of the second cylinder 121 is smaller than the inner diameter R <b> 1 of the first cylinder 111.

The second piston 122 has a piston part 122a and a rod part 122b.
The piston part 122a is a member that is in liquid-tight and slidable contact with the inner peripheral surface of the second cylinder 121. The piston part 122a of this embodiment has a cylindrical shape.
The rod part 122b is a rod-shaped member. One end of the rod portion 122b protrudes from the opening portion of one end of the second cylinder 121, and the other end of the rod portion 122b is fixed to the piston portion 122a.

The rod portion 122b is connected to a “second servo motor (not shown)”.
The “second servo motor” includes a direction in which the second piston 122 is immersed in the second cylinder 121 (a direction in which the piston portion 122a approaches the discharge port 121a) and a direction in which the second piston 121 protrudes from the second cylinder 121 (the piston portion 122a discharges). In a direction away from the outlet 121a).
The “second servo motor” can control the amount of movement of the second piston motor 122 and the sliding amount of the second piston 122 with respect to the second cylinder 121.

When the second piston 122 slides in the direction protruding from the second cylinder 121, the second piston pump 120 can suck the high-viscosity body 1 from the discharge port 121 a and accommodate it in the second cylinder 121.
At this time, the amount (weight) of the high-viscosity body 1 sucked from the discharge port 121a can be adjusted by controlling the operation amount of the “second servo motor”.

The second piston pump 120 slides in the direction of immersing the second cylinder 121 in a state in which the high-viscosity body 1 is accommodated in the second cylinder 121, whereby the second piston pump 120 is accommodated in the second cylinder 121. The viscous body 1 can be discharged from the discharge port 121a of the second cylinder 121.
At this time, the amount (weight) of the high-viscosity body 1 discharged from the discharge port 121a can be adjusted by controlling the operation amount of the “second servo motor”.

It is desirable that the materials constituting the second cylinder 121 and the second piston 122 are appropriately selected according to the properties of the high-viscosity body 1 or usage conditions (pressure, etc.). For example, the material constituting the second cylinder 121 and the second piston 122 is desirably a material that does not cause a chemical reaction by contacting the high-viscosity body 1, and the high-viscosity body 1 reacts to light of a predetermined wavelength. When a chemical reaction occurs, it is desirable not to transmit light of the wavelength.
Examples of the material constituting the second cylinder 121 and the second piston 122 include various metal materials, glass, quartz, resin, elastomer, and the like.

  The connection block 130 is a member that connects the first piston 110 and the second piston 120. The connection block 130 has a first block 131 and a second block 132.

The first block 131 is a rectangular parallelepiped member, and is fixed to the other end of the first cylinder 111 (the end where the discharge port 111a is formed).
A path 131 a is formed in the first block 131. One end of the path 131a opens to a surface of the first block 131 that contacts the other end of the first cylinder 111 and is connected to the discharge port 111a. As a result, the internal space of the first cylinder 111 and the path 131a communicate with each other. The other end of the path 131a opens on the surface of the first block 131 opposite to the surface that contacts the other end of the first cylinder 111.
The first block 131 is formed with a fitting hole 131b. The fitting hole 131b is formed in the middle of the path 131a. A first switching valve 140, which will be described in detail later, is fitted into the fitting hole 131b.
The first block 131 is further formed with a fitting hole 131c. The fitting hole 131c is formed at the other end of the path 131a.

The second block 132 is a rectangular parallelepiped member. The second block 132 is detachably fixed to the first block 131 with a bolt (not shown). At this time, the second block 132 is fixed to the surface of the first block 131 where the other end (the fitting hole 131c) of the path 131a opens.
A fitting hole 132 a is formed in the second block 132. The fitting hole 132a opens on the surface of the second block 132 that contacts the first block 131. A second switching valve 150, which will be described in detail later, is fitted in a space formed by fitting the fitting hole 132a formed in the second block 132 and the fitting hole 131c formed in the first block 131.
A path 132 b is formed in the second block 132. One end of the path 132b is connected to the fitting hole 132a, and the other end of the path 132b opens on the surface of the second block 132 opposite to the surface fixed to the first block 131.
A path 132 c is further formed in the second block 132. One end of the path 132c is connected to the fitting hole 132a, and the other end of the path 132c opens to the lower surface of the second block 132.

As shown in FIGS. 1 and 2, the second piston pump 120 is detachably fixed to the second block 132. In the case of this embodiment, the second piston pump 120 is fixed to the second block 132 by inserting a bolt into a hole formed in the flange 121b of the second cylinder 121 and screwing the bolt into the second block 132. To do.
When the second piston pump 120 is fixed to the second block 132, the discharge port 121a of the second cylinder 121 is connected to the other end of the path 132b formed in the second block 132, and the second cylinder 121 (internal space) And the path 132b communicate with each other.

The first switching valve 140 is an embodiment of the first switching valve according to the present invention.
The first switching valve 140 of the present embodiment is a substantially columnar member, and is rotatably fitted in the fitting hole 131b of the first block 131.
A path 141 is formed in the first switching valve 140. Both ends of the path 141 are opened at different positions on the outer peripheral surface of the first switching valve 140.
The rotation of the first switching valve 140 inside the fitting hole 131b, that is, the operation of the first switching valve 140 may be performed manually, or may be performed by an actuator such as a pneumatic cylinder or a hydraulic cylinder, a motor, or the like.

The second switching valve 150 is an embodiment of the second switching valve according to the present invention.
The second switching valve 150 of the present embodiment is a member in which a cylinder with a small diameter is stacked on top and bottom of a cylinder with a large diameter, and is fitted rotatably in a space where the fitting hole 132a and the fitting hole 131c are combined. Be dressed.
A path 151 is formed in the second switching valve 150. One end of the path 151 opens on one end face of the second switching valve 150, and the other end of the path 151 opens on the other end face of the second switching valve 150.
A path 152 is further formed in the second switching valve 150. One end of the path 152 is connected to the middle part of the path 151, and the other end of the path 152 opens to the outer peripheral surface of the second switching valve 150.
The rotation of the second switching valve 150 in the space where the fitting hole 132a and the fitting hole 131c are combined, that is, the operation of the second switching valve 150 may be performed manually, or an actuator such as a pneumatic cylinder or a hydraulic cylinder, You may carry out with a motor etc.

  The orifice member 160 is a substantially cylindrical member having an orifice formed therein, and is detachably fixed to the lower surface of the second block 132. The orifice of the orifice member 160 is connected to the other end of the path 132 c formed in the second block 132.

  The nozzle 170 is an elongated tube-shaped member, and one end of the nozzle 170 is detachably fixed to the orifice member 160. As a result, the internal space of the nozzle 170 and the orifice of the orifice member 160 communicate with each other. The other end of the nozzle 170 forms a takeout port 170a.

  Below, the conveyance path | route and discharge path | route of the taking-out apparatus 100 are demonstrated using FIG.

The “conveying path of the take-out device 100” connects the first cylinder 111 of the first piston pump 110 and the second cylinder 121 of the second piston pump 120, and the high-viscosity body 1 is transferred from the first cylinder 111 to the second cylinder 121. It is a route for carrying.
Specifically, the transport path of the take-out device 100 is a combination of a path 131a (a path 141 is sandwiched in the middle of the path 131a), a path 151, and a path 132b.
Accordingly, the first switching valve 140 is disposed in the middle of the “conveying path of the take-out device 100”.

The “discharge path of the take-out device 100” is a path for communicating the second cylinder 121 of the second piston pump 120 and the outside and discharging the high-viscosity body 1 from the second piston pump 120 to the outside.
Specifically, the discharge path of the take-out device 100 is a combination of the path 132b, the path 151, the path 152, the path 132c, the orifice member 160, and the nozzle 170.
Accordingly, the second switching valve 150 is disposed in the middle of the “discharge path of the take-out device 100”.

  Below, operation | movement of the 1st switching valve 140 is demonstrated using FIG. 1 and FIG.

  When the first switching valve 140 is in the state shown in FIG. 1, both ends of the path 141 of the first switching valve 140 are connected to the path 131a, and the transport path of the take-out device 100 is the first cylinder 111, the second cylinder 121, and Communicate. Hereinafter, when the 1st switching valve 140 exists in the state shown in FIG. 1, the 1st switching valve 140 shall be an "open state."

  When the first switching valve 140 is in the state shown in FIG. 2, both ends of the path 141 of the first switching valve 140 are blocked from the path 131a, and the middle part of the transport path of the take-out device 100 is closed. Hereinafter, when the 1st switching valve 140 exists in the state shown in FIG. 2, the 1st switching valve 140 shall be a "closed state."

  As described above, the first switching valve 140 is configured so that the first cylinder 111 and the second cylinder 121 are in the “open state” in which the conveying path of the taking-out device 100 communicates and the middle part of the conveying path of the taking-out device 100 is closed. It is possible to switch to any state of “blocked state”.

  Below, operation | movement of the 2nd switching valve 150 is demonstrated using FIG. 1 and FIG.

  When the second switching valve 150 is in the state shown in FIG. 1, the other end of the path 152 of the second switching valve 150 is connected to one end of the path 132c, and the discharge path of the take-out device 100 connects the second cylinder 121 and the outside. Communicate. Hereinafter, when the second switching valve 150 is in the state shown in FIG. 1, the second switching valve 150 is assumed to be in the “open state”.

  When the second switching valve 150 is in the state shown in FIG. 2, the other end of the path 152 of the second switching valve 150 is blocked from one end of the path 132c, and the middle part of the discharge path of the take-out device 100 is closed. Hereinafter, when the second switching valve 150 is in the state shown in FIG. 2, the second switching valve 150 is assumed to be in the “closed state”.

  As described above, the second switching valve 150 is in the “open state” in which the discharge path of the take-out device 100 communicates with the second cylinder 121 and the outside, and in the “closed state” in which the middle part of the discharge path of the take-out device 100 is closed. It is possible to switch to either state.

Below, one Embodiment of the high-viscosity body taking-out method which concerns on this invention is described using FIGS. 2-8.
One embodiment of the method for taking out the high-viscosity body according to the present invention is a method for taking out a desired amount of the high-viscosity body 1 using the take-out device 100.
As shown in FIG. 8, one embodiment of the high-viscosity material take-out method according to the present invention includes a conveying step S1100 and a take-out step S1200.

In the transport step S1100, the high-viscosity body 1 previously stored in the first piston pump 110 is discharged from the first piston pump 110, and the high-viscosity body 1 discharged from the first piston pump 110 is transported through the transport path of the take-out device 100. In this step, the high-viscosity body 1 transported through the transport path of the take-out device 100 is sucked into the second piston pump 120.
Specifically, the transport process S1100 is performed according to the following procedure.

  As shown in FIG. 2, at the start of the transfer step S1100, the high-viscosity body 1 is accommodated (filled) in the first cylinder 111 of the first piston pump 110, and the first switching valve 140 and the second switching valve 150 are All are in the “closed state”, and the second piston pump 120 is removed from the second block 132.

  First, as shown in FIG. 3, the first switching valve 140 is switched from the “closed state” to the “open state”, and the first servo motor (not shown) is operated to move the first piston 112 of the first piston pump 110 to the first state. When sliding in the direction of immersing in one cylinder 111, the high-viscosity body 1 accommodated in the first cylinder 111 is discharged from the first cylinder 111 and conveyed through the conveyance path of the extraction device 100, and the conveyance path of the extraction device 100. Part of the high-viscosity body 1 protrudes to the outside as a surplus portion 1a from the other end of the path 132b that is the terminal portion. Next, the surplus portion 1a is cut off at the other end of the path 132b.

Subsequently, as shown in FIG. 4, the second piston pump 120 is fixed to the second block 132.
Before the second piston pump 120 is fixed to the second block 132, the second piston 122 is immersed in the second cylinder 121 until the piston portion 122a reaches a position corresponding to the discharge port 121a of the second cylinder 121 in advance. Slide it in the direction you want.

Subsequently, as shown in FIG. 5, the first servo motor (not shown) is operated to slide the first piston 112 of the first piston pump 110 in the direction of immersing the first cylinder 111 and the second servo motor ( When the second piston 122 of the second piston pump 120 is slid in a direction protruding from the second cylinder 121 by operating (not shown), it is discharged from the first piston pump 110 and transported through the transport path of the take-out device 100. The highly viscous body 1 is sucked into the second cylinder 121 and accommodated (filled) in the second cylinder 121.
When the transport process S1100 is completed, the process proceeds to a take-out process S1200.

In the extraction step S1200, the middle part of the conveying path of the extraction device 100 is closed, the discharge path of the extraction device 100 communicating the second piston pump 120 and the outside is opened, and the high-viscosity material sucked into the second piston pump 120 is opened. 1 is a step of discharging 1 from the second piston pump 120 and taking out the high-viscosity body 1 discharged from the second piston pump 120 to the outside through the discharge path of the take-out device 100.
Specifically, the extraction step S1200 is performed according to the following procedure.

First, as shown in FIG. 6, the first switching valve 140 is switched from the “open state” to the “closed state”, and the second switch valve 150 is switched from the “closed state” to the “open state”.
Next, when the second servo motor (not shown) is operated and the second piston 122 of the second piston pump 120 is slid in the direction of immersing into the second cylinder 121, the high pressure sucked into the second piston pump 120 is obtained. The viscous body 1 is discharged from the second piston pump 120 and is taken out from the take-out port 170a through the discharge path of the take-out device 100.

  The high-viscosity body 1 taken out from the take-out port 170a is injected into the container 2 according to the following procedures (1) to (5).

  (1) As shown in FIG. 7A, before the high-viscosity body 1 is discharged from the outlet 170a of the nozzle 170 to the outside, the tip of the nozzle 170 is inserted in the container 2 in advance, and the outlet 170a is placed in the container. 2 is arranged in the vicinity of the bottom of 2 (or the tip of the nozzle 170 is arranged at a position where it abuts against the bottom of the container 2).

  (2) As shown in FIG. 7B, the first portion of the high-viscosity body 1 discharged from the outlet 170a of the nozzle 170 is received at the bottom of the container 2, and then discharged from the outlet 170a of the nozzle 170. The container 2 is gradually pulled downward as the weight of the high viscosity body 1 increases.

By gradually lowering the container 2 downward as the weight of the high-viscosity body 1 discharged from the outlet 170a of the nozzle 170 increases, air is prevented from being caught in the high-viscosity body 1 injected into the container 2. In addition, it is possible to prevent a part of the highly viscous body 1 from adhering to the outer peripheral surface of the nozzle 170.
In addition, preventing a part of the high-viscosity body 1 from adhering to the outer peripheral surface of the nozzle 170 means that the weight accuracy of the high-viscosity body 1 taken out from the take-out device 100 is reduced, the opening of the container 2 and the outer peripheral surface This is desirable from the viewpoint of avoiding dirt and complicated cleaning work.

  The operation of gradually lowering the container 2 may be performed manually (the operator holds the container 2 by hand) or automatically (for example, the weight of the high-viscosity body 1 discharged from the outlet 170a of the nozzle 170). In other words, it may be performed using an actuator or the like that descends according to the amount of operation of a second servo motor (not shown) that slides the second piston 122 of the second piston pump 120.

  (3) As shown in FIG. 7C, when the weight of the high-viscosity body 1 discharged from the outlet 170a of the nozzle 170 and accommodated in the container 2 reaches a predetermined amount, The operation of (illustrated) is stopped to stop the sliding of the second piston 122, and the lowering of the container 2 is also stopped.

(4) As shown in FIG. 7 (d), the second servo motor (not shown) is operated to slightly slide the second piston 122 of the second piston pump 120 in the direction protruding from the second cylinder 121. Accordingly, the high-viscosity body 1 remaining in the discharge path of the take-out device 100 is sucked (sucked back) into the second cylinder 121, and the discharge direction of the high-viscosity body 1 discharged from the discharge path of the take-out device 100 (this embodiment) In the case of the embodiment, the container 2 is rotated about the vertical axis) as the central axis.
By doing so, the high-viscosity body 1 is threaded at the tip (extraction port 170a) of the nozzle 170, and the high-viscosity body 1 remaining in the nozzle 170 and the high-viscosity body 1 accommodated in the container 2 are separated. It is possible to carve cleanly.

  (5) As shown in (e) of FIG. 7, when the container 2 is further pulled down, the high-viscosity body 1 taken out by a predetermined amount by the take-out device 100 is collected in a form accommodated in the container 2.

As described above, the take-out device 100 is
The first cylinder 111 that accommodates the high-viscosity body 1 and the first piston 112 that is in fluid-tight and slidable contact with the inner peripheral surface of the first cylinder 111, and the first piston 112 is immersed in the first cylinder 111. A first piston pump 110 that discharges the high-viscosity body 1 accommodated in the first cylinder 111 by sliding in the direction of
The second cylinder 121 has an inner diameter R2 smaller than the inner diameter R1 of the first cylinder 111, and a second piston 122 that is in liquid-tight and slidable contact with the inner peripheral surface of the second cylinder 121. The high-viscosity body 1 is sucked into the second cylinder 121 by sliding in the direction protruding from the second cylinder 121, and the second piston 122 is slid in the direction of immersing in the second cylinder 121. A second piston pump 120 that discharges the high-viscosity body 1 sucked into the cylinder 121;
A conveyance path that connects the first cylinder 111 and the second cylinder 121 (in this embodiment, the path 131a (the path 141 is sandwiched in the middle of the path 131a), the path 151, and the path 132b are combined. Equivalent to
A first switching valve that is arranged in the middle of the transport path and switches the first cylinder 111 and the second cylinder 121 to either the open state in which the transport path communicates or the closed state in which the middle part of the transport path is closed 140,
A discharge path for communicating the second cylinder 121 and the outside (in this embodiment, the combination of the path 132b, the path 151, the path 152, the path 132c, the orifice member 160, and the nozzle 170 corresponds to the discharge path);
A second switching valve 150 that is arranged in the middle of the discharge path and switches between the open state in which the discharge path communicates between the second cylinder 121 and the outside and the closed state in which the middle part of the discharge path is closed;
It comprises.
This configuration has the following advantages.
That is, by setting the inner diameter R1 of the first cylinder 111 of the first piston pump 110 to be larger than the inner diameter R2 of the second cylinder 121 of the second piston pump 120, a large amount of the high-viscosity body 1 is preliminarily applied to the first cylinder 111. It is possible to supply the high-viscosity body 1 frequently to the second piston pump 120.
In addition, by connecting the first cylinder 111 and the second cylinder 121 through the transport path, the high-viscosity body 1 is easily removed from the first piston pump 110 while preventing air from being caught in the high-viscosity body 1. It is possible to supply to the two-piston pump 120.
Further, the weight accuracy of the high-viscosity body 1 discharged from the second piston pump 120 is set by setting the inner diameter R2 of the second cylinder 121 of the second piston pump 120 to be smaller (at least than the inner diameter R1 of the first cylinder 111). It is possible to improve.
Therefore, the take-out device 100 can take out a relatively small amount of the high-viscosity body 1 easily and with high weight accuracy.

The take-out device 100 is
When the first switching valve 140 is in the open state and the second switching valve 150 is in the closed state, the first piston 112 slides in the direction of immersing in the first cylinder 111 and the second piston 122 projects from the second cylinder 121. By sliding in the direction, the high-viscosity body 1 accommodated in the first cylinder 111 is transported through the transport path and sucked into the second cylinder 121,
The first switching valve 140 is switched to the closed state, the second switching valve 150 is switched to the open state, and the second piston 122 slides in the direction of immersing in the second cylinder 121 (this embodiment). In this case, the high-viscosity body 1 is discharged from the outlet 170a) of the nozzle 170.
By configuring in this way, the high-viscosity body 1 sucked into the second cylinder 121 does not return to the first cylinder 111 through the transport path, and the high-viscosity body 1 accommodated in the second cylinder 121 is reliably discharged to the discharge path. It is possible to discharge from the other end.

The take-out device 100 is
When the high-viscosity body 1 discharged from the other end of the discharge path reaches a predetermined amount, the second piston 122 is slid in a direction protruding from the second cylinder 121 (the high-viscosity body 1 remaining in the discharge path is removed). Suck back).
With this configuration, it is possible to cleanly separate the high-viscosity body 1 remaining in the discharge path at the other end of the discharge path of the take-out device 100 and the high-viscosity body 1 discharged from the other end of the discharge path. As a result, it contributes to the improvement of the weight accuracy of the extracted high-viscosity body 1.

The take-out device 100 is
The second piston pump 120 and the transfer path can be attached and detached at a connection part (a contact portion between the second cylinder 121 and the second block 132 in this embodiment) between the second piston pump 120 and the transfer path.
By configuring in this way, when the work of supplying the first piston pump 110 to the second piston pump 120 is performed from the state where the high-viscosity body 1 is not filled in the conveyance path, air is caught in the second cylinder 121. Can be prevented, and cleaning of the conveyance path is facilitated.

As described above, one embodiment of the method for removing a highly viscous material according to the present invention is as follows.
The high-viscosity body 1 previously discharged from the first piston pump 110 is discharged from the first piston pump 110, and the high-viscosity body is discharged from the first piston pump 110 through a transfer path connected to the first piston pump 110 at one end. 1 and the high-viscosity body 1 conveyed through the conveyance path is connected to the other end of the conveyance path and has an inner diameter smaller than the inner diameter of the first piston pump 110 (more precisely, the inner diameter of the first cylinder 111). A conveying step S1100 for sucking into the second piston pump 120;
The middle part of the conveyance path is closed, the discharge path communicating with the second piston pump 120 and the outside is opened, the high-viscosity body 1 sucked into the second piston pump 120 is discharged from the second piston pump 120, An extraction step S1200 for taking out the high-viscosity body 1 discharged from the two-piston pump 120 to the outside through the discharge path;
It comprises.
With this configuration, it is possible to take out a relatively small amount of the high-viscosity body 1 easily and with high weight accuracy.

Moreover, one embodiment of the method for taking out the highly viscous body according to the present invention is as follows:
In the removal step S1200,
When the high-viscosity body 1 taken out reaches a predetermined amount, the second piston pump 120 is operated to suck (suck back) the high-viscosity body 1 remaining in the discharge path.
With this configuration, the high-viscosity body 1 remaining in the discharge path at the other end of the discharge path of the take-out device 100 (the tip of the nozzle 170) and the high-viscosity body 1 discharged from the other end of the discharge path are separated. It can be neatly cut and thus contributes to an improvement in the weight accuracy of the extracted high-viscosity body 1.

Moreover, one embodiment of the method for taking out the highly viscous body according to the present invention is as follows:
In the removal step S1200,
The high-viscosity body 1 discharged to the outside is accommodated in the container 2, and when the high-viscosity body 1 accommodated in the container 2 reaches a predetermined amount, the discharge direction of the high-viscosity body 1 discharged from the discharge path is centered. The container 2 is rotated as an axis.
With this configuration, the high-viscosity body 1 is threaded at the other end of the discharge path (the tip of the nozzle 170), so that the high-viscosity body 1 remaining in the discharge path and the high-pressure discharged from the other end of the discharge path. It is possible to cleanly separate the viscous body 1 and thus contribute to the improvement of the weight accuracy of the extracted high viscosity body 1.

Side surface sectional drawing which shows one Embodiment of the highly viscous body taking-out apparatus which concerns on this invention. Side surface sectional drawing which shows the state at the time of the conveyance process start of one Embodiment of the high-viscosity body taking-out apparatus which concerns on this invention. Side surface sectional drawing which shows the state of the conveyance process initial stage of one Embodiment of the highly viscous body taking-out apparatus which concerns on this invention. Side surface sectional drawing which shows the state of the conveyance process middle stage of one Embodiment of the high-viscosity body taking-out apparatus which concerns on this invention. Side surface sectional drawing which shows the state of the conveyance process latter stage of one Embodiment of the high-viscosity body taking-out apparatus which concerns on this invention. Side surface sectional drawing which shows the state at the time of the extraction process of one Embodiment of the high-viscosity body extraction apparatus which concerns on this invention. The figure which shows the procedure which accommodates the taken out highly viscous body in a container. The flowchart which shows one Embodiment of the high-viscosity body taking-out method which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 High viscosity body 2 Container 100 Extraction apparatus (high viscosity body extraction apparatus)
110 1st piston pump 111 1st cylinder 112 1st piston 120 2nd piston pump 121 2nd cylinder 122 2nd piston 140 1st switching valve 150 2nd switching valve

Claims (7)

A first cylinder containing a high-viscosity body, and a first piston abutting liquid-tightly and slidably on the inner peripheral surface of the first cylinder, the first piston being in a direction to be immersed in the first cylinder A first piston pump that discharges a highly viscous body accommodated in the first cylinder by sliding;
A second cylinder having an inner diameter smaller than the inner diameter of the first cylinder, and a second piston abutting liquid-tightly and slidably on the inner peripheral surface of the second cylinder, wherein the second piston is the second cylinder The high-viscosity body is sucked into the second cylinder by sliding in the direction protruding from the cylinder, and the second piston is sucked into the second cylinder by sliding in the direction of immersing in the second cylinder. A second piston pump for discharging the high-viscosity material,
A transport path communicating the first cylinder and the second cylinder;
The first is arranged in the middle of the transport path, and the first cylinder and the second cylinder are switched to an open state where the transport path communicates or a closed state where the midway part of the transport path is closed. A switching valve,
A discharge path communicating the second cylinder with the outside;
A second switching valve that is arranged in the middle of the discharge path and switches between the open state in which the discharge path communicates with the second cylinder and the outside and the closed state in which the middle part of the discharge path is closed When,
A high-viscosity material take-out device. When the first switching valve is in the open state and the second switching valve is in the closed state, the first piston slides in the direction of immersing in the first cylinder and the second piston protrudes from the second cylinder. By sliding in the direction, the high-viscosity body accommodated in the first cylinder is conveyed through the conveyance path and sucked into the second cylinder,
The first switching valve is switched to a closed state, the second switching valve is switched to an open state, and the second piston slides in a direction to be immersed in the second cylinder so that the second switching valve is moved from the other end of the discharge path. The high-viscosity material take-out device according to claim 1, which discharges the viscous material.   The high-viscosity body removal according to claim 2, wherein when the high-viscosity body discharged from the other end of the discharge path reaches a predetermined amount, the second piston is slid in a direction protruding from the second cylinder. apparatus.   The high-viscosity body take-out device according to any one of claims 1 to 3, wherein the second piston pump and the transfer path are detachable at a connection portion between the second piston pump and the transfer path. . The high-viscosity body previously stored in the first piston pump is discharged from the first piston pump, and the high-viscosity body discharged from the first piston pump is transported through a transport path having one end connected to the first piston pump. And a conveying step of sucking the high-viscosity material conveyed through the conveying path into a second piston pump connected to the other end of the conveying path and having an inner diameter smaller than the inner diameter of the first piston pump;
Closing a midway portion of the transport path, opening a discharge path communicating with the second piston pump and the outside, discharging a high-viscosity material sucked into the second piston pump from the second piston pump, A take-out step of taking out the high-viscosity body discharged from the second piston pump to the outside through the discharge path;
A method for taking out a highly viscous material. In the removing step,
6. The high-viscosity body extraction method according to claim 5, wherein when the high-viscosity body extracted outside reaches a predetermined amount, the second piston pump is operated to suck in the high-viscosity body remaining in the discharge path. . In the removing step,
The high-viscosity body discharged to the outside is injected into a container, and when the high-viscosity body injected into the container reaches a predetermined amount, the discharge direction of the high-viscosity body discharged from the discharge path is a central axis. The method for removing a highly viscous body according to claim 5 or 6, wherein the container is rotated as follows.

Images