KR102597580B1 - Injection Molding Machine - Google Patents

Abstract

The present invention includes a first injection device that supplies molding material in a molten state; a second injection device disposed at a location spaced apart from the first injection device and supplying a molten molding material; and a mold clamping device that solidifies the molten molding material supplied from the first injection device through cooling and solidifies the molten molding material supplied from the second injection device through cooling, wherein the ejector is It relates to an injection molding machine including a first spacing mechanism that separates the solidified molding material from a first intermediate mold and a second spacing mechanism that separates the solidified molding material from a second intermediate mold.

Description

Injection Molding Machine

The present invention relates to an injection molding machine that performs injection molding to manufacture injection products.

Injection molding is the most widely used manufacturing method in manufacturing plastic products. For example, in products such as televisions, mobile phones, PDAs, etc., various parts including covers and cases can be manufactured through injection molding.

In general, manufacturing products through injection molding is accomplished through the following processes. First, the molding material to which pigments, stabilizers, plasticizers, fillers, etc. have been added is put into a hopper and made into a molten state. Next, the molten molding material is injected into the mold and then solidified through cooling. Next, the solidified molding material is extracted from the mold and unnecessary parts are removed. Through these processes, injection products of various types and sizes are manufactured. As a facility to perform such injection molding, an injection molding machine is used.

An injection molding machine according to the prior art includes an injection device and a mold clamping device. The injection device supplies molten molding material to the mold clamping device. The mold clamping device solidifies the molten molding material supplied from the injection device through cooling.

The injection molding machine according to the prior art is implemented so that one injection device supplies molding material in a molten state to one mold clamping device. Accordingly, the injection molding machine according to the prior art has a problem in that it is difficult to increase the productivity of injection products compared to the installation area occupied in the workshop.

The present invention was developed to solve the problems described above, and is intended to provide an injection molding machine that can increase the productivity of injection products compared to the installation area.

In order to achieve the above problems, the present invention may include the following configuration.

The injection molding machine according to the present invention includes a first injection device that supplies molding material in a molten state; a second injection device disposed at a location spaced apart from the first injection device and supplying a molten molding material; and a mold clamping device that solidifies the molten molding material supplied from the first injection device through cooling and solidifies the molten molding material supplied from the second injection device through cooling.

In the injection molding machine according to the present invention, the mold clamping device includes a fixed platen arranged to face the first injection device, a movable platen disposed to face the second injection device, and disposed between the fixed platen and the movable platen. It may include an intermediate template, the movable template, a driving unit that moves the intermediate template along a first axis direction, and an ejector installed on the intermediate template. A first intermediate mold disposed to face the fixed template and a second intermediate mold disposed to face the movable template may be installed in the intermediate template.

In the injection molding machine according to the present invention, the ejector includes a first spacing mechanism that separates the solidified molding material from the first intermediate mold and a second spacing mechanism that separates the solidified molding material from the second intermediate mold. can do.

According to the present invention, the following effects can be achieved.

The present invention is implemented so that a plurality of injection devices supply molding material in a molten state to one mold clamping device, thereby increasing productivity of injection products compared to the installation area occupied in the workshop.

The present invention is implemented so that the operation of solidifying a plurality of molding materials through cooling can be performed in parallel using a single mold clamping device, thereby reducing the cycle time required to mold the molding materials, thereby improving the performance of injection products. Production per unit time can be increased.

The present invention is implemented so that some of a plurality of injection devices can be selectively operated as needed, so that it can be equipped with the ability to flexibly respond to various working conditions such as production schedule, production volume, etc.

1 is a schematic block diagram of an injection molding machine according to the present invention.
Figure 2 is a schematic perspective view of the injection molding machine according to the present invention.
Figure 3 is a schematic side view of the injection molding machine according to the present invention.
4 to 9 are schematic side views for explaining the operation of the injection molding machine according to the present invention.
Figure 10 is a schematic side view of the ejector in the injection molding machine according to the present invention.
11 and 12 are schematic side cross-sectional views showing the ejector installed inside the intermediate plate in the injection molding machine according to the present invention.
Figure 13 is a schematic perspective view of the ejector in the injection molding machine according to the present invention.
Figure 14 is a conceptual rear view for explaining the arrangement of the moving mechanisms of the ejector in the injection molding machine according to the present invention.

Hereinafter, embodiments of an injection molding machine according to the present invention will be described in detail with reference to the attached drawings.

Referring to Figures 1 to 4, the injection molding machine 1 according to the present invention performs injection molding to manufacture an injection product. The injection molding machine 1 according to the present invention may include a first injection device 2, a second injection device 3, and a mold clamping device 4.

Referring to Figures 1 to 4, the first injection device 2 supplies molten molding material to the mold clamping device 4. The first injection device (2) includes a first barrel (21) that stores the molding material supplied from the hopper, a first injection screw (22) rotatably installed inside the first barrel (21), and the first injection screw (22) that stores the molding material supplied from the hopper. It may include a first injection port part 23 that drives the first injection screw 22. When the molding material is supplied into the first barrel 21 through the hopper, the first injection device 2 melts the molding material in the first barrel 21 and measures it, and then the mold clamping device 4 ) can be supplied with molten molding materials. In this process, the first injection port 23 can rotate the first injection screw 22. The first injection port 23 may move the first injection screw 22.

The first injection device 2 may include a first injection body 24.

The first injection body 24 supports the first barrel 21, the first injection screw 22, and the first injection port 23. The first injection body 24 may be located below the first barrel 21 and the first injection port 23. The first barrel 21 and the first injection port 23 may be installed in the first injection body 24 to be located on the upper side of the first injection body 24. The first injection body 24 may be installed on the molding base body 10. The molding machine body 10 may be located below the first injection body 24. The molding base body 10 can be installed on the floor of a workshop where injection molding is performed.

The first injection body 24 may be installed on the molding machine body 10 to be movable in the first axis direction (X-axis direction). The first axis direction (X-axis direction) may be an axis direction parallel to the direction in which the first injection body 24 and the mold clamping device 4 are spaced apart from each other. The first injection body 24 may be arranged to be located in a first direction (direction of arrow FD) with respect to the mold clamping device 4. In this case, when the first injection body 24 moves in the first direction (FD arrow direction), the first injection device 2 moves the first barrel 21 away from the mold clamping device 4. It can be placed in a given location. In this state, the first injection device 2 can melt and measure the molding material supplied through the hopper. When the first injection body 24 moves in the second direction (SD arrow direction) opposite to the first direction (FD arrow direction), the first injection device 2 moves the first barrel 21. A portion of may be disposed at a position inserted into the inside of the clamping device 4. In this state, the first injection device 2 can supply molten molding material to the mold clamping device 4.

The first injection device 2 may include a first operating mechanism. The first operating mechanism moves the first injection body 24 along the first axis direction (X-axis direction). The first operating mechanism can move the first injection body 24 through a cylinder method using a hydraulic cylinder or pneumatic cylinder. The first operating mechanism is a ball screw method using a motor and a ball screw, a gear method using a motor, rack gear, and pinion gear, a belt method using a motor, pulleys, and a belt, and a linear motor using a permanent magnet and coil. The first injection body 24 can also be moved through a method or the like. The first operating mechanism may be installed so that one side is connected to the first injection body 24 and the other side is connected to the clamping device 4.

Referring to Figures 1 to 4, the second injection device 3 supplies molten molding material to the mold clamping device 4. The second injection device (3) includes a second barrel (31) that stores the molding material supplied from the hopper, a second injection screw (32) rotatably installed inside the second barrel (31), and the second injection screw (32) that stores the molding material supplied from the hopper. It may include a second injection port part 33 that drives the second injection screw 32. When the molding material is supplied into the second barrel 31 through the hopper, the second injection device 3 melts the molding material in the second barrel 31 and measures it, and then the mold clamping device 4 ) can be supplied with molten molding materials. In this process, the second injection port 33 can rotate the second injection screw 32. The second injection port 33 may move the second injection screw 32.

The second injection device 3 may include a second injection body 34.

The second injection body 34 supports the second barrel 31, the second injection screw 32, and the second injection port 33. The second injection body 34 may be located below the second barrel 31 and the second injection port 33. The second barrel 31 and the second injection port 33 may be installed in the second injection body 34 to be located on the upper side of the second injection body 34. The second injection body 34 may be installed on the molding base body 10. The molding machine body 10 may be located below the second injection body 34.

The second injection body 34 may be installed on the molding machine body 10 to be movable in the first axis direction (X-axis direction). The second injection body 34 may be arranged to be located in the second direction (SD arrow direction) with respect to the mold clamping device 4. In this case, when the second injection body 34 moves in the second direction (SD arrow direction), the second injection device 3 moves the second barrel 31 away from the mold clamping device 4. It can be placed in a given location. In this state, the second injection device 3 can melt and measure the molding material supplied through the hopper. When the second injection body 34 moves in the first direction (FD arrow direction), the second injection device 3 causes a part of the second barrel 31 to be inside the mold clamping device 4. It can be placed in the inserted position. In this state, the second injection device 3 can supply molten molding material to the mold clamping device 4.

The second injection device 3 may include a second operating mechanism. The second operating mechanism moves the second injection body 34 along the first axis direction (X-axis direction). The second operating mechanism can move the second injection body 34 through a cylinder method using a hydraulic cylinder or pneumatic cylinder. The second operating mechanism is a ball screw method using a motor and a ball screw, a gear method using a motor, rack gear, and pinion gear, a belt method using a motor, pulleys, and a belt, and a linear motor using a permanent magnet and coil. The second injection body 34 can also be moved through a method or the like. The second operating mechanism may be installed so that one side is connected to the second injection body 34 and the other side is connected to the clamping device 4.

Referring to Figures 1 to 4, the mold clamping device 4 solidifies the molten molding material supplied from each of the first injection device 2 and the second injection device 3 through cooling. When the first injection device 2 supplies molten molding material, the mold clamping device 4 can solidify the molten molding material supplied from the first injection device 2 through cooling. When the second injection device 3 supplies molten molding material, the mold clamping device 4 can solidify the molten molding material supplied from the second injection device 3 through cooling. Accordingly, the injection molding machine 1 according to the present invention can achieve the following effects.

First, the injection molding machine 1 according to the present invention is implemented so that the first injection device 2 and the second injection device 3 supply molding material in a molten state to one mold clamping device 4. Accordingly, the injection molding machine 1 according to the present invention is a comparative example in which the first injection device 2 and the second injection device 3 each supply molding material in a molten state to a separate mold clamping device 4. Compared with , the installation area occupied by the clamping device 4 can be reduced. Therefore, the injection molding machine 1 according to the present invention can increase the productivity of injection products compared to the installation area it occupies in the workplace.

Second, the injection molding machine 1 according to the present invention uses one mold clamping device 4 to solidify the molten molding material supplied from the first injection device 2 through cooling and the second injection molding material. The operation of solidifying the molding material in a molten state supplied from the device 3 through cooling can be implemented in parallel. Accordingly, the injection molding machine 1 according to the present invention can mold the molding material solidified through cooling from the molding material in a molten state supplied by each of the first injection device 2 and the second injection device 3. The cycle time it takes to complete can be reduced. Therefore, the injection molding machine 1 according to the present invention can increase the production volume per unit time for injection products.

Third, in the injection molding machine (1) according to the present invention, both the first injection device (2) and the second injection device (3) may be operated as needed, and the first injection device (2) and the second injection device (3) may be operated. Among the two injection devices 3, only one may be operated selectively. Accordingly, the injection molding machine (1) according to the present invention will be implemented so that at least one of the first injection device (2) and the second injection device (3) is selectively operated according to working conditions such as production schedule, production volume, etc. You can. Therefore, the injection molding machine 1 according to the present invention can be equipped with the ability to flexibly respond to various working conditions.

The mold clamping device 4 may be located between the first injection device 2 and the second injection device 3 based on the first axis direction (X-axis direction). In this case, the first injection device 2 may be located in the first direction (direction of arrow FD) with respect to the mold clamping device 4. The second injection device 3 may be located in the second direction (SD arrow direction) with respect to the mold clamping device 4. The second injection device 3 and the first injection device 2 may be arranged to face each other with respect to the mold clamping device 4. The mold clamping device 4 may be installed on the molding base body 10. The mold clamping device 4 may be installed on the molding machine body 10 so as to be located on the upper side of the molding machine body 10.

Referring to FIGS. 1 to 4 , the clamping device 4 may include a fixed template 41, a movable template 42, and an intermediate template 43.

The fixed template 41 is arranged to face the first injection device 2. The fixed template 41 may be located between the first injection device 2 and the intermediate template 43 based on the first axis direction (X-axis direction). The fixed template 41 may be installed on the molding base body 10. The fixing plate 41 may be installed on the molding machine body 10 so as to be located on the upper side of the molding machine body 10. A fixing mold 411 (shown in FIG. 4) may be installed on the fixing plate 41. The fixing mold 411 may be arranged to face the intermediate template 43. When the first injection device 2 is located in the first direction (FD arrow direction) with respect to the mold clamping device 4, the fixing mold 411 is positioned in the second direction with respect to the fixing plate 41 ( It can be installed on the fixing plate 41 so as to be located in the SD arrow direction). Passages may be formed in the fixing plate 41 and the fixing mold 411, respectively. The passage may be formed through each of the fixing plate 41 and the fixing mold 411. The molten molding material supplied from the first injection device 2 can move to the cavity of the fixed mold 411 through the passage.

The moving template 42 is arranged to face the second injection device 3. The movable template 42 may be located between the second injection device 3 and the intermediate template 43 based on the first axis direction (X-axis direction). The movable template 42 may be installed on the molding base body 10. The movable template 42 may be installed on the molding machine body 10 so as to be located on the upper side of the molding machine body 10. A movable mold 421 (shown in FIG. 4) may be installed on the movable template 42. The movable mold 421 may be arranged to face the intermediate template 43. When the second injection device 3 is located in the second direction (SD arrow direction) with respect to the mold clamping device 4, the movable mold 421 moves in the first direction with respect to the movable platen 42 ( It can be installed on the mobile template 42 so as to be located in the direction of the FD arrow). Passages may be formed in the movable template 42 and the movable mold 421, respectively. The passage may be formed through each of the movable plate 42 and the movable mold 421. The molten molding material supplied from the second injection device 3 can move to the cavity of the mobile mold 421 through the passage.

The intermediate template 43 is disposed between the fixed template 41 and the movable template 42. The intermediate template 43 may be positioned between the fixed template 41 and the movable template 42 based on the first axis direction (X-axis direction). The intermediate template 43 may be installed on the molding base body 10. The intermediate plate 43 may be installed on the molding machine body 10 so as to be located on the upper side of the molding machine body 10.

A first intermediate mold (431, shown in FIG. 4) and a second intermediate mold (432, shown in FIG. 4) may be installed on the intermediate template 43.

The first intermediate mold 431 may be arranged to face the fixed template 41. The first intermediate mold 431 may be installed on the intermediate template 43 to be positioned between the intermediate template 43 and the fixed template 41 based on the first axis direction (X-axis direction). there is.

The second intermediate mold 432 may be arranged to face the movable template 42. The second intermediate mold 432 may be installed on the intermediate template 43 to be positioned between the intermediate template 43 and the movable template 42 based on the first axis direction (X-axis direction). there is.

The intermediate template 43 may be installed to be movable along the first axis direction (X-axis direction). The intermediate template 43 may be installed to be movable along the first axis direction (X-axis direction) so that the first intermediate mold 431 and the fixed mold 411 can be closed and opened. The intermediate template 43 can move along the first axis direction (X-axis direction) by being guided by the tie bar 40 (shown in FIG. 3) included in the clamping device 4. When the fixed template 41 is disposed between the first injection device 2 and the intermediate template 43, the intermediate template 43 moves in the first direction (FD arrow direction) to 1The intermediate mold 431 and the fixed mold 411 can be mold closed. In this case, the intermediate template 43 can open the first intermediate mold 431 and the fixed mold 411 by moving in the second direction (SD arrow direction). The intermediate template 43 may be installed on the molding machine body 10 so as to be movable in the first axis direction (X-axis direction).

Here, the movable template 42 may be installed to be movable along the first axis direction (X-axis direction). The movable template 42 may be installed to be movable along the first axis direction (X-axis direction) so that the movable mold 421 and the second intermediate mold 432 can be closed and opened. The intermediate template 43 is guided by the tie bar 40 and can move along the first axis direction (X-axis direction). When the movable template 42 is disposed between the second injection device 3 and the intermediate template 43, the movable template 42 moves in the first direction (FD arrow direction). The mold 421 and the second intermediate mold 432 can be mold closed. In this case, the movable template 42 can open the movable mold 421 and the second intermediate mold 432 by moving in the second direction (SD arrow direction). The movable template 42 may be installed on the molding machine body 10 so as to be movable in the first axis direction (X-axis direction). The movable template 42 and the intermediate template 43 may be installed on the molding base body 10 so as to be individually movable along the first axis direction (X-axis direction).

Referring to FIGS. 1 to 4, the mold clamping device 1 may include a driving unit 44 (shown in FIG. 1).

The driving unit 44 moves the movable template 42 and the intermediate template 43 along the first axis direction (X-axis direction). The driving unit 44 may individually move each of the movable template 42 and the intermediate template 43 along the first axis direction (X-axis direction). The driving unit 44 moves the movable platen 42 along the first axis direction (X-axis direction), thereby closing and opening the movable mold 421 and the second intermediate mold 432. . The driving unit 44 moves the intermediate template 43 along the first axis direction (X-axis direction), thereby closing and opening the first intermediate mold 431 and the fixed mold 411. .

The driving unit 44 may include a first driving mechanism (441, shown in FIG. 1) and a second driving mechanism (442, shown in FIG. 1).

The first driving mechanism 441 moves the intermediate template 43. The first driving mechanism 441 moves the intermediate template 43 along the first axis direction (X-axis direction), thereby closing and opening the first intermediate mold 431 and the fixed mold 411. can do. The first driving mechanism 441 can close the first intermediate mold 431 and the fixed mold 411 by moving the intermediate template 43 in the first direction (FD arrow direction). The first driving mechanism 441 moves the intermediate template 43 in the second direction (SD arrow direction), thereby opening the first intermediate mold 431 and the fixed mold 411. The first driving mechanism 441 can move the intermediate plate 43 through a cylinder method using a hydraulic cylinder or pneumatic cylinder. The first driving mechanism 441 is a ball screw method using a motor and a ball screw, a gear method using a motor, a rack gear and a pinion gear, a belt method using a motor, a pulley and a belt, a permanent magnet and a coil, etc. The intermediate template 43 can also be moved using a linear motor method or the like. The first driving mechanism 441 may be installed in the molding base body 10.

The second driving mechanism 442 moves the moving template 42. The second driving mechanism 442 moves the movable plate 42 along the first axis direction (X-axis direction), thereby closing and opening the movable mold 421 and the second intermediate mold 432. can do. The second driving mechanism 442 can close the movable mold 421 and the second intermediate mold 432 by moving the movable mold 42 in the first direction (FD arrow direction). The second driving mechanism 442 moves the movable mold 42 in the second direction (SD arrow direction), thereby opening the movable mold 421 and the second intermediate mold 432. The second driving mechanism 442 can move the moving template 42 through a cylinder method using a hydraulic cylinder or pneumatic cylinder. The second driving mechanism 442 is a ball screw method using a motor and a ball screw, a gear method using a motor, a rack gear and a pinion gear, a belt method using a motor, a pulley and a belt, a permanent magnet and a coil, etc. The moving template 42 can also be moved using a linear motor method or the like. The second driving mechanism 442 may be installed on the molding base body 10.

Here, looking at the operation of the injection molding machine 1 according to the present invention with reference to FIGS. 1 to 9, the operation is as follows.

First, as shown in FIG. 4, the intermediate template 43 is arranged so that the first intermediate mold 431 and the fixed mold 411 are spaced apart from each other. That is, the first intermediate mold 431 and the fixed mold 411 are in an opened state. The movable template 42 is arranged so that the movable mold 421 and the second intermediate mold 432 are spaced apart from each other. That is, the moving mold 421 and the second intermediate mold 432 are in an opened state.

Next, as shown in FIG. 5, the intermediate template 43 moves in the first direction (direction of arrow FD) so that the first intermediate mold 431 and the fixed mold 411 come into contact with each other. Accordingly, the first intermediate mold 431 and the fixed mold 411 are closed. In this case, the intermediate template 43 can be moved in the first direction (direction of arrow FD) by the first driving mechanism 441 (shown in FIG. 1).

Next, as shown in FIG. 6, the movable template 42 moves in the first direction (direction of arrow FD) so that the movable mold 421 and the second intermediate mold 432 come into contact with each other. Accordingly, the mobile mold 421 and the second intermediate mold 432 are closed. In this case, the movable template 42 can be moved in the first direction (direction of arrow FD) by the second driving mechanism 442 (shown in FIG. 1). When the movable template 42 moves in the first direction (direction of arrow FD), the second injection device 3 may move in the first direction (direction of arrow FD) together with the movable template 42. . In this case, the second operating mechanism may be installed so that the upper side is connected to the second injection body 34 and the other side is connected to the moving template 42.

Next, as shown in FIG. 7, the first injection device 2 moves in the second direction (SD arrow direction) so that a part of the first barrel 21 is inserted into the fixed template 41. , the molten molding material is supplied between the fixed mold 411 and the first intermediate mold 431 through the fixed template 41. In this case, the first operating mechanism moves the first injection body 24 in the second direction (SD arrow direction), so that the first injection device 2 moves in the second direction (SD arrow direction). You can move.

Next, the second injection device 3 moves in the first direction (FD arrow direction) so that a part of the second barrel 31 is inserted into the movable template 42, and then moves the second injection device 3 to the movable template 42. The molten molding material is supplied between the mobile mold 421 and the second intermediate mold 432. In this case, the second operating mechanism moves the second injection body 34 in the first direction (FD arrow direction), so that the second injection device 3 moves in the first direction (FD arrow direction). You can move. The movement of the second injection device 3 in the first direction (FD arrow direction) is performed in parallel with the movement of the first injection device 2 in the second direction (SD arrow direction). It can be done.

Next, the mold clamping device 4 solidifies the molten molding material supplied between the fixed mold 411 and the first intermediate mold 431 through cooling. In parallel, the mold clamping device 4 solidifies the molten molding material supplied between the mobile mold 421 and the second intermediate mold 432 through cooling.

Next, as shown in FIG. 8, when the solidification of the molding material between the movable mold 421 and the second intermediate mold 432 is completed, the movable mold 42 is It moves in the second direction (SD arrow direction) to be spaced apart from the second intermediate mold 432. Accordingly, the moving mold 421 and the second intermediate mold 432 are opened. In this case, the movable template 42 can be moved in the second direction (SD arrow direction) by the second driving mechanism 442. When the movable template 42 moves in the second direction (SD arrow direction), the second injection device 3 can move in the second direction (SD arrow direction) together with the movable template 42. .

Next, as shown in FIG. 9, when the solidification of the molding material between the first intermediate mold 431 and the fixing mold 411 is completed, the intermediate template 43 is placed in the first intermediate mold 431. It moves in the second direction (SD arrow direction) so as to be spaced apart from the fixing mold 411. Accordingly, the first intermediate mold 431 and the fixed mold 411 are molded. In this case, the intermediate template 43 can be moved in the second direction (SD arrow direction) by the first driving mechanism 441.

Next, as shown in FIG. 4, the first injection device 2 moves in the first direction (direction of arrow FD) so that the first barrel 21 is spaced apart from the fixed template 41. In this case, the first operating mechanism moves the first injection body 24 in the first direction (FD arrow direction), so that the first injection device 2 moves in the first direction (FD arrow direction). You can move.

Next, the second injection device 3 moves in the second direction (SD arrow direction) so that the second barrel 31 is spaced apart from the moving template 42. In this case, the second operating mechanism moves the second injection body 34 in the second direction (SD arrow direction), so that the second injection device 3 moves in the second direction (SD arrow direction). You can move. The movement of the second injection device 3 in the second direction (SD arrow direction) is performed in parallel with the movement of the first injection device 2 in the first direction (FD arrow direction). It can be done.

Through the above-described operation, the injection molding machine 1 according to the present invention solidifies the molding material from the molding material in a molten state supplied from each of the first injection device 2 and the second injection device 3. It can be molded. Accordingly, the injection molding machine 1 according to the present invention can mold the molding material solidified through cooling from the molding material in a molten state supplied by each of the first injection device 2 and the second injection device 3. By reducing the cycle time it takes to produce an injection product, the production volume per unit of time can be increased. In addition, the injection molding machine 1 according to the present invention has the same shape as the cavity of the fixed mold 411 and the first intermediate mold 431 and the cavity of the moving mold 421 and the second intermediate mold 432. It may be implemented, or it may be implemented in different forms. Accordingly, the injection molding machine 1 according to the present invention may be operated to mold two molding materials solidified into the same shape, or may be operated to mold two molding materials solidified into different shapes. Therefore, the injection molding machine 1 according to the present invention can improve versatility applicable to various injection molding.

Referring to FIGS. 1 to 14 , the clamping device 4 may include an ejector 45.

The ejector 45 separates the solidified molding material. The ejector 45 may be installed on the intermediate template 43. Accordingly, the ejector 45 may be implemented to separate the solidified molding material from the first intermediate mold 431 and to separate the solidified molding material from the second intermediate mold 432. Therefore, when comparing the injection molding machine 1 according to the present invention with the comparative example in which the ejector 45 is installed on each of the fixed template 41 and the movable template 42, the ejector 45 is used for the first injection molding machine. The overall structure can be implemented simply by reducing the degree of interference with each of the device 2 and the second injection device 3. Looking at this in detail, it is as follows.

First, in the case of a comparative example in which the ejector 45 is installed on each of the fixed template 41 and the movable template 42, the first injection device 2 is installed on the fixed template 41 and the fixed mold 411. The ejector 45 must be installed to avoid the passage of the molding material connected to the inside of the. However, the ejector 45 installed on the fixing plate 41 must also separate the molding material located inside the fixing mold 411. Accordingly, since the passage of the molding material formed in the fixed template 41 and the ejector 45 interfere with each other, the structure is complicated so that the ejector 45 avoids the passage of the molding material formed in the fixed template 41. is implemented. Meanwhile, the ejector 45 must be installed on the movable platen 42 to avoid the passage of the molding material connecting the second injection device 3 to the inside of the movable mold 421. However, the ejector 45 installed on the movable template 41 must also separate the molding material located inside the movable mold 421. Accordingly, since the passage of the molding material formed in the movable platen 42 and the ejector 45 interfere with each other, the structure is complex so that the ejector 45 avoids the passage of the molding material formed in the movable platen 42. is implemented.

Next, in the case of the embodiment in which the ejector 45 is installed in the intermediate template 43, the ejector 45 is installed in the intermediate template 43 without a passage of the molding material, and thus does not interfere with the passage of the molding material. It may be installed on the intermediate template 43 to separate the solidified molding material from each of the first intermediate mold 431 and the second intermediate mold 432. Accordingly, compared to the comparative example, the embodiment has the advantage that the ejector 45 can be implemented with an overall simpler structure.

The ejector 45 may include a first spacer mechanism 46 (shown in FIG. 10).

The first spacing mechanism 46 separates the solidified molding material from the first intermediate mold 431. As shown in FIG. 9, when the first intermediate mold 431 and the fixed mold 411 are opened, the solidified molding material may be attached to the first intermediate mold 431. The first spacer 46 may separate the molding material attached to the first intermediate mold 431 from the first intermediate mold 431 . The molding material spaced apart from the first intermediate mold 431 can be stored in a product receiver. The product receiver may be installed inside the molding base body 10.

The first spacing mechanism 46 may include a first spacing pin 461 (shown in FIG. 10).

The first spacing pin 461 moves to separate the solidified molding material from the first intermediate mold 431. The first spacing pin 461 can separate the solidified molding material from the first intermediate mold 431 by directly pressing the solidified molding material.

The first spacing pin 461 can be located inside the intermediate template 43 by moving in the second direction (SD arrow direction). In this case, the first spacing pin 461 may be located in the first receiving groove 43a (shown in FIG. 11) formed inside the intermediate template 43. The first spacing mechanism 46 can be installed to be located inside the intermediate template 43 by being accommodated in the first receiving groove 43a. With the first spacing pin 461 located in the first receiving groove 43a, the first injection device 2 is melted between the first intermediate mold 431 and the fixed mold 411. A supply process of supplying the molding material in its original state and a solidification process of solidifying the molding material located between the first intermediate mold 431 and the fixed mold 411 through cooling can be performed.

The first spacing pin 461 may protrude out of the intermediate template 43 by moving in the first direction (direction of arrow FD). In this case, the first spacing pin 461 protrudes from the first opposing wall 43b (shown in FIG. 11) of the intermediate template 43 in the first direction (direction of arrow FD), thereby forming the first intermediate plate 43. The solidified molding material can be separated from the mold 431. The first spacing pin 461 is located inside the intermediate template 43 or protrudes out of the intermediate template 43 through the first passing hole 43c formed in the first opposing wall 43b. You can move. The first passage hole 43c may be formed to penetrate the first opposing wall 43b to be connected to the first receiving groove 43a.

The first spacing pin 461 may be formed in an overall cylindrical shape, but is not limited thereto and may be formed in another shape as long as it is capable of separating the solidified molding material from the first intermediate mold 431.

The first spacing mechanism 46 may include a first spacing plate 462 (shown in FIG. 10) and a first moving mechanism 463 (shown in FIG. 10).

The first spacing plate 462 supports the first spacing pin 461. The first spacing pin 461 may be supported on the first spacing plate 462 by being installed on the first spacing plate 462 . The first spacing pin 461 may be installed on the first spacing plate 462 to protrude from the first spacing plate 462 in the first direction (FD arrow direction). A plurality of first spacing pins 461 may be installed on the first spacing plate 462. The first spacing pins 461 may be installed on the first spacing plate 462 so as to be spaced apart from each other. Accordingly, the first spacing pins 461 can separate the solidified molding material from the first intermediate mold 431 by pressing different parts of the molding material attached to the first intermediate mold 431. there is. Therefore, the injection molding machine 1 according to the present invention can improve the accuracy of separating the solidified molding material from the first intermediate mold 431.

The first spacing plate 462 may be installed on the intermediate template 43 to be movable along the first axis direction (X-axis direction). The first spacing plate 462 can be installed to be located inside the intermediate template 43 by being accommodated in the first receiving groove 43a. The first spacing plate 462 may move the first spacing pins 461 along the first axis direction (X-axis direction) while moving along the first axis direction (X-axis direction). The first spacing plate 462 may be formed in an overall square plate shape, but is not limited thereto and may be formed in another shape as long as it is movable by supporting the first spacing pins 461.

The first moving mechanism 463 moves the first spacing plate 462. The first moving mechanism 463 moves the first spacing plate 462 along the first axis direction (X-axis direction), so that the first spacing pin 461 installed on the first spacing plate 462 They can be moved along the first axis direction (X-axis direction). Accordingly, the injection molding machine 1 according to the present invention can reduce the number of driving sources for moving the plurality of first spacing pins 461, thereby reducing construction and operating costs.

When the first moving mechanism 463 moves the first spacing plate 462 in the first direction (FD arrow direction), the first spacing pins 461 are moved together with the first spacing plate 462. It can move in the first direction (direction of arrow FD). Accordingly, the first spacing pins 461 protrude from the intermediate template 43 in the first direction (FD arrow direction), thereby separating the solidified molding material from the first intermediate mold 431. .

When the first moving mechanism 463 moves the first spacing plate 462 in the second direction (SD arrow direction), the first spacing pins 461 are moved together with the first spacing plate 462. It can move in the second direction (SD arrow direction). Accordingly, the first spacing pins 461 may be located inside the intermediate template 43.

The first moving mechanism 463 can be installed to be located inside the intermediate template 43 by being accommodated in the first receiving groove 43a. The first moving mechanism 463 can move the first spacing plate 462 through a cylinder method using a hydraulic cylinder or pneumatic cylinder. The first moving mechanism 463 is a ball screw method using a motor and a ball screw, a gear method using a motor, a rack gear and a pinion gear, a belt method using a motor, a pulley and a belt, a permanent magnet and a coil, etc. The first spacing plate 462 can also be moved using a linear motor method or the like.

The first spacing mechanism 46 may include a plurality of first moving mechanisms 463. For example, the first spacing mechanism 46 may include a first upper moving mechanism 463a (shown in FIG. 14) and a first lower moving mechanism 463b (shown in FIG. 14).

The first upper moving mechanism 463a moves the first spacing plate 462. The first upper moving mechanism 463a is located at a higher position than the first lower moving mechanism 463b based on the vertical direction (Z-axis direction) with respect to the first axis direction (X-axis direction). It can be installed on the intermediate template 43 to do so. Accordingly, the first upper moving mechanism 463a is connected to the first spacing plate 462 at a higher position than the first lower moving mechanism 463b based on the vertical direction (Z-axis direction). Can be installed.

The first lower moving mechanism 463b moves the first spacing plate 462. The first lower moving mechanism 463b moves the first upper part based on a second axis direction (Y-axis direction) perpendicular to each of the first axis direction (X-axis direction) and the up-down direction (Z-axis direction). It can be installed on the intermediate template 43 to be located at a distance from the moving mechanism 463a. Accordingly, the first lower moving mechanism 463b is connected to the first spacing plate 462 at a position spaced apart from the first upper moving mechanism 463a based on the second axis direction (Y-axis direction). It can be installed whenever possible. That is, the first lower moving mechanism 463b and the first upper moving mechanism 463a are aligned with each other in a diagonal direction inclined with respect to the second axis direction (Y-axis direction) and the vertical direction (Z-axis direction), respectively. It can be placed in a spaced location.

As described above, the first lower moving mechanism 463b and the first upper moving mechanism 463a are connected to different parts of the first spacing plate 462 at positions where they do not interfere with each other, It is implemented to move the plate 462. Accordingly, the injection molding machine 1 according to the present invention can achieve the following operational effects.

First, the injection molding machine 1 according to the present invention is implemented so that the first lower moving mechanism 463b and the first upper moving mechanism 463a are connected to different parts of the first spacing plate 462, The degree to which the first spacing plate 462 is tilted while moving along the first axis direction (X-axis direction) can be reduced. Accordingly, the injection molding machine 1 according to the present invention can reduce the deviation of the distance in which the first spacing pins 461 protrude from the intermediate template 43, thereby allowing the injection molding machine 1 according to the present invention to The accuracy of separating solidified molding materials can be further improved.

Second, the injection molding machine 1 according to the present invention can reduce the degree of tilt that occurs in the first spacing plate 462 during the movement process, and the first lower moving mechanism 463b and the first upper The moving mechanisms 463a are implemented so that they are located in positions where they do not interfere with each other. Accordingly, the injection molding machine 1 according to the present invention can improve the accuracy of the operation of separating the solidified molding material from the first intermediate mold 431, while operating in the first axis direction (X-axis direction). The length of the intermediate template 43 as a reference can be reduced. Therefore, the injection molding machine 1 according to the present invention can further reduce the installation area occupied by the mold clamping device 4, and thus can further increase the productivity of injection products compared to the installation area occupied in the workplace.

The ejector 45 may include a second spacer mechanism 47 (shown in FIG. 10).

The second spacer 47 separates the solidified molding material from the second intermediate mold 432. As shown in FIG. 9, when the second intermediate mold 432 and the moving mold 421 are opened, the solidified molding material may be attached to the second intermediate mold 432. The second spacer 47 may separate the molding material attached to the second intermediate mold 432 from the second intermediate mold 432 . The molding material spaced apart from the second intermediate mold 432 can be stored in a product receiver. The product receiver may be installed inside the molding base body 10.

The second spacing mechanism 47 may include a second spacing pin 471 (shown in FIG. 10).

The second spacing pin 471 moves to separate the solidified molding material from the second intermediate mold 432. The second spacing pin 471 can separate the solidified molding material from the second intermediate mold 432 by directly pressing the solidified molding material.

The second spacing pin 471 and the first spacing pin 461 may move in opposite directions based on the first axis direction (FD arrow direction) to separate the solidified molding materials. Accordingly, the injection molding machine 1 according to the present invention can be implemented so that the second spacing pin 471 and the first spacing pin 461 separate the solidified molding materials from each other without interfering with each other. The second spacing pin 471 and the first spacing pin 461 may be located at positions spaced apart from each other based on the first axis direction (X-axis direction).

The second spacing pin 471 can be located inside the intermediate template 43 by moving in the first direction (FD arrow direction). In this case, the second spacing pin 471 may be located in the second receiving groove 43d (shown in FIG. 11) formed inside the intermediate template 43. The second spacing mechanism 47 can be installed to be located inside the intermediate template 43 by being accommodated in the second receiving groove 43d. With the second spacing pin 471 located in the second receiving groove 43d, the second injection device 3 is melted between the second intermediate mold 432 and the moving mold 421. A supply process for supplying the molding material in its current state and a solidification process for solidifying the molding material located between the second intermediate mold 432 and the moving mold 421 through cooling can be performed.

The second spacing pin 471 may protrude out of the intermediate template 43 by moving in the second direction (SD arrow direction). In this case, the second spacing pin 471 protrudes from the second opposing wall 43e (shown in FIG. 11) of the intermediate template 43 in the second direction (SD arrow direction), thereby forming the second intermediate plate 43. The solidified molding material can be separated from the mold 432. The second spacing pin 471 is located inside the intermediate template 43 or protrudes out of the intermediate template 43 through the second passage hole 43f formed in the second opposing wall 43e. You can move. The second passage hole 43f may be formed to penetrate the second opposing wall 43e to be connected to the second receiving groove 43d.

The second spacing pin 471 may be formed in an overall cylindrical shape, but is not limited thereto and may be formed in another shape as long as it is capable of separating the solidified molding material from the second intermediate mold 432.

The second spacing mechanism 47 may include a second spacing plate 472 (shown in FIG. 10) and a second moving mechanism 473 (shown in FIG. 10).

The second spacing plate 472 supports the second spacing pin 471. The second spacing pin 471 may be supported on the second spacing plate 472 by being installed on the second spacing plate 472 . The second spacing pin 471 may be installed on the second spacing plate 472 so as to protrude from the second spacing plate 472 in the second direction (SD arrow direction). A plurality of second spacing pins 471 may be installed on the second spacing plate 472. The second spacing pins 471 may be installed on the second spacing plate 472 so as to be spaced apart from each other. Accordingly, the second spacing pins 471 can separate the solidified molding material from the second intermediate mold 432 by pressing different parts of the molding material attached to the second intermediate mold 432. there is. Therefore, the injection molding machine 1 according to the present invention can improve the accuracy of separating the solidified molding material from the second intermediate mold 432.

The second spacing plate 472 may be installed on the intermediate template 43 to be movable along the first axis direction (X-axis direction). The second spacing plate 472 and the first spacing plate 471 may be movably installed on the intermediate template 43 so as to be located at positions spaced apart from each other along the first axis direction (X-axis direction). there is. Accordingly, the injection molding machine 1 according to the present invention can be implemented so that the second spacing plate 472 and the first spacing plate 471 move to separate the solidified molding materials from each other without interfering with each other. there is.

The second spacing plate 472 can be installed to be located inside the intermediate template 43 by being accommodated in the second receiving groove 43d. The second spacing plate 472 may move the second spacing pins 471 along the first axis direction (X-axis direction) while moving along the first axis direction (X-axis direction). The second spacing plate 472 may be formed in an overall square plate shape, but is not limited thereto and may be formed in another shape as long as it is movable by supporting the second spacing pins 471.

The second moving mechanism 473 moves the second spacing plate 472. The second moving mechanism 473 moves the second spacing plate 472 along the first axis direction (X-axis direction), so that the second spacing pin 471 installed on the second spacing plate 472 They can be moved along the first axis direction (X-axis direction). Accordingly, the injection molding machine 1 according to the present invention can reduce the number of driving sources for moving the plurality of second spacing pins 471, thereby reducing construction and operating costs.

When the second moving mechanism 473 moves the second spacing plate 472 in the second direction (SD arrow direction), the second spacing pins 471 are moved together with the second spacing plate 472. It can move in the second direction (SD arrow direction). Accordingly, the second spacing pins 471 protrude from the intermediate template 43 in the second direction (SD arrow direction), thereby separating the solidified molding material from the second intermediate mold 432. .

When the second moving mechanism 473 moves the second spacing plate 472 in the first direction (FD arrow direction), the second spacing pins 471 are moved together with the second spacing plate 472. It can move in the first direction (direction of arrow FD). Accordingly, the second spacing pins 471 may be located inside the intermediate template 43.

The second moving mechanism 473 can be installed to be located inside the intermediate template 43 by being accommodated in the second receiving groove 43d. The second moving mechanism 473 can move the second spacing plate 472 through a cylinder method using a hydraulic cylinder or pneumatic cylinder. The second moving mechanism 473 is a ball screw method using a motor and a ball screw, a gear method using a motor, a rack gear and a pinion gear, a belt method using a motor, a pulley and a belt, a permanent magnet and a coil, etc. The second separation plate 472 can also be moved using a linear motor method or the like.

The second moving mechanism 473 is arranged to overlap with the first moving mechanism 463 based on the first axis direction (X-axis direction), but avoids the first moving mechanism 463. It can be installed on the intermediate template 43 at a position spaced apart from the first moving mechanism 463. For example, the second moving mechanism 473 is installed at a lower height than the first moving mechanism 463 based on the vertical direction (Z-axis direction), thereby At the same time as avoiding it, it can be arranged to overlap the first moving mechanism 461 based on the first axis direction (X-axis direction). Accordingly, in the injection molding machine 1 according to the present invention, the second moving mechanism 473 and the first moving mechanism 463 are arranged to overlap each other with respect to the first axis direction (X-axis direction), The length of the intermediate template 43 based on the first axis direction (X-axis direction) can be reduced. Therefore, the injection molding machine 1 according to the present invention can further reduce the installation area occupied by the mold clamping device 4, and thus can further increase the productivity of injection products compared to the installation area occupied in the workplace.

When the second moving mechanism 473 and the first moving mechanism 463 are arranged to overlap each other based on the first axis direction (X-axis direction), the second receiving groove 43d and the first receiving groove 43d The receiving grooves 43a may be formed in the intermediate template 43 to overlap each other based on the first axis direction (X-axis direction). The second movement mechanism 473 and the first movement mechanism 463 may be arranged so that all or part of the second movement mechanism 463 overlaps each other based on the first axis direction (X-axis direction). The second receiving groove 43d and the first receiving groove 43a may be arranged so that all or part of the second receiving groove 43d and the first receiving groove 43a overlap each other based on the first axis direction (X-axis direction).

The second spacing mechanism 47 may include a plurality of second moving mechanisms 473. For example, the second spacer mechanism 47 may include a second upper movable mechanism 473a (shown in FIG. 14) and a second lower movable mechanism 473b (shown in FIG. 14).

The second upper moving mechanism 473a moves the second spacing plate 472. The second upper moving mechanism 473a may be installed on the intermediate template 43 to be located at a higher position than the second lower moving mechanism 473b based on the vertical direction (Z-axis direction). Accordingly, the second upper moving mechanism 473a is connected to the second spacing plate 472 at a higher position than the second lower moving mechanism 473b based on the vertical direction (Z-axis direction). Can be installed.

The second lower moving mechanism 473b moves the second spacing plate 472. The second lower moving mechanism 473b may be installed on the intermediate template 43 to be located at a position spaced apart from the second upper moving mechanism 473a based on the second axis direction (Y-axis direction). . Accordingly, the second lower moving mechanism 473b is connected to the second spaced plate 472 at a position spaced apart from the second upper moving mechanism 473a based on the second axis direction (Y-axis direction). It can be installed whenever possible. That is, the second lower moving mechanism 473b and the second upper moving mechanism 473a are aligned with each other in a diagonal direction inclined with respect to the second axis direction (Y-axis direction) and the vertical direction (Z-axis direction), respectively. It can be placed in a spaced location.

As described above, the second lower moving mechanism 473b and the second upper moving mechanism 473a are connected to different parts of the second spacing plate 472 at positions where they do not interfere with each other, It is implemented to move the plate 472. Accordingly, the injection molding machine 1 according to the present invention can achieve the following operational effects.

First, the injection molding machine 1 according to the present invention is implemented so that the second lower moving mechanism 473b and the second upper moving mechanism 473a are connected to different parts of the second spaced plate 472, The degree to which the second spacing plate 472 is tilted while the second spacing plate 472 moves along the first axis direction (X-axis direction) can be reduced. Accordingly, the injection molding machine 1 according to the present invention can reduce the deviation of the distance in which the second spacing pins 471 protrude from the intermediate template 43, so that the injection molding machine 1 according to the present invention can reduce the deviation of the distance from the second intermediate mold 432. The accuracy of separating solidified molding materials can be further improved.

Second, the injection molding machine 1 according to the present invention can reduce the degree of tilt that occurs in the second spacing plate 462 during the movement process, and the second lower moving mechanism 473b and the second upper The moving mechanisms 473a are implemented to be located in positions where they do not interfere with each other. Accordingly, the injection molding machine 1 according to the present invention can improve the accuracy of the operation of separating the solidified molding material from the second intermediate mold 432, while operating in the first axis direction (X-axis direction). The length of the intermediate template 43 as a reference can be reduced. Therefore, the injection molding machine 1 according to the present invention can further reduce the installation area occupied by the mold clamping device 4, and thus can further increase the productivity of injection products compared to the installation area occupied in the workplace.

The second spacing mechanism 47 includes the second upper moving mechanism 473a and the second lower moving mechanism 473b, and the first spacing mechanism 46 includes the first upper moving mechanism 463a. And when it includes the first lower movable mechanism (463b), the second upper movable mechanism (473a), the second lower movable mechanism (473b), the first upper movable mechanism (463a) and the first lower movable mechanism. The mechanism 463b can be arranged as follows.

First, the first upper moving mechanism 463a may be installed on the intermediate template 43 to be located above the second lower moving mechanism 473b based on the vertical direction (Z-axis direction). In this case, the first upper moving mechanism 463a and the second lower moving mechanism 473b may be arranged to be located on the same line based on the second axis direction (Y-axis direction).

Next, the second upper moving mechanism 473a may be installed on the intermediate template 43 to be located above the first lower moving mechanism 463b based on the vertical direction (Z-axis direction). In this case, the second upper moving mechanism 473a and the first lower moving mechanism 463b may be arranged to be located on the same line based on the second axis direction (Y-axis direction).

Accordingly, the injection molding machine 1 according to the present invention is implemented to improve space utilization of the internal space of the intermediate plate 43, so that the installation area occupied by the mold clamping device 4 can be further reduced, The productivity of injection-molded products can be further increased compared to the installation area it occupies.

The second upper moving mechanism 473a and the first upper moving mechanism 463a may be installed on the intermediate template 43 so as to be positioned at the same height with respect to the vertical direction (Z-axis direction). The second lower moving mechanism 473b and the first lower moving mechanism 463b may be installed on the intermediate template 43 so as to be positioned at the same height with respect to the vertical direction (Z-axis direction). Accordingly, the injection molding machine 1 according to the present invention can be implemented to further improve space utilization of the internal space of the intermediate template 43.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is commonly known in the technical field to which the present invention pertains that various substitutions, modifications and changes can be made without departing from the technical spirit of the present invention. It will be clear to those who have the knowledge of.

1: Injection molding machine 2: First injection device
3: second injection device 4: mold clamping device
21: first barrel 22: first injection screw
23: First injection port eastern part 24: First injection main body
31: 2nd barrel 32: 2nd injection screw
33: Second injection port eastern part 34: Second injection main body
40: tie bar 41: fixed plate
42: mobile template 43: intermediate template
44: driving unit 45: ejector
46: first separation mechanism 47: second separation mechanism
411: Fixed mold 421: Moving mold
431: 1st intermediate mold 432: 2nd intermediate mold
441: first driving mechanism 442: second driving mechanism
461: first spacing pin 462: first spacing plate
463: First moving mechanism 471: Second spacing pin
472: Second separation plate 473: Second moving mechanism
463a: first upper moving mechanism 463b: first lower moving mechanism
473a: second upper moving mechanism 473b: second lower moving mechanism

Claims (7)

A first injection device (2) that supplies molding material in a molten state;
a second injection device (3) disposed at a position spaced apart from the first injection device (2) and supplying molding material in a molten state; and
A mold clamping device (4) that solidifies the molten molding material supplied from the first injection device (2) through cooling and solidifies the molten molding material supplied from the second injection device (3) through cooling. Including,
The mold clamping device 4 includes a fixed mold plate 41 disposed to face the first injection device 2, a movable plate 42 disposed to face the second injection device 3, and a fixed mold plate 41. ) and an intermediate template 43 disposed between the movable template 42, a driving unit 44 that moves the movable template 42 and the intermediate template 43 along the first axis direction, and the intermediate template. It includes an ejector (45) installed at (43),
A first intermediate mold 431 arranged to face the fixed template 41 and a second intermediate mold 432 arranged to face the movable template 42 are installed on the intermediate template 43,
The ejector 45 includes a first spacer 46 that separates the solidified molding material from the first intermediate mold 431, and a second spacer that separates the solidified molding material from the second intermediate mold 432. comprising a mechanism 47;
The mold clamping device (4) is located between the first injection device (2) and the second injection device (3) based on the first axis direction,
The intermediate template 43 is located between the fixed template 41 and the movable template 42 based on the first axis direction,
The first spacing mechanism 46 includes a first spacing pin 461 for separating the solidified molding material from the first intermediate mold 431, and a first spacing plate 462 on which the first spacing pin 461 is installed. ), and a first moving mechanism 463 for moving the first spacing plate 462,
The second spacing mechanism 47 includes a second spacing pin 471 for separating the solidified molding material from the second intermediate mold 432, and a second spacing plate 472 on which the second spacing pin 471 is installed. ), and a second moving mechanism 473 for moving the second spacing plate 472,
The first spacing pin 461 and the second spacing pin 471 may move in opposite directions relative to the first axis direction to separate the solidified molding materials, respectively,
The first spacing plate 462 and the second spacing plate 472 are movably installed on the intermediate template 43 so as to be positioned at spaced apart positions along the first axis direction,
The first moving mechanism 463 is arranged to overlap the second moving mechanism 473 based on the first axis direction, and the second moving mechanism 473 is moved to avoid the second moving mechanism 473. It is installed on the intermediate template 43 at a position spaced apart from the mechanism 473,
The first spacing mechanism 46 is accommodated in the first receiving groove 43a formed inside the intermediate template 43, so that the first spacing pin 461 of the first spacing mechanism 46, the first 1. The spacing plate 462 and the first moving mechanism 463 are located inside the intermediate template 43,
The second spacing mechanism 47 is accommodated in the second receiving groove 43d formed inside the intermediate template 43, so that the second spacing pin 471 and the second spacing mechanism 47 are The injection molding machine is characterized in that the second spacing plate (472) and the second moving mechanism (473) are located inside the intermediate template (43). delete According to paragraph 1,
Injection, characterized in that a plurality of first spacing pins 461 are installed on the first spacing plate 462, and a plurality of second spacing pins 471 are installed on the second spacing plate 472. Molding machine. According to paragraph 1,
The first moving mechanism 463 includes a first upper moving mechanism 463a for moving the first spacing plate 462, and a first lower moving mechanism 463b for moving the first spacing plate 462. ), including
The first upper moving mechanism (463a) is installed on the intermediate template (43) to be located at a higher position than the first lower moving mechanism (463b) based on the vertical direction perpendicular to the first axis direction. ,
The first lower moving mechanism 463b is positioned at a position spaced apart from the first upper moving mechanism 463a based on the second axial direction perpendicular to each of the first axial direction and the vertical direction. An injection molding machine characterized by being installed at (43). According to paragraph 4,
The second moving mechanism 473 includes a second upper moving mechanism 473a for moving the second spacing plate 472, and a second lower moving mechanism 473b for moving the second spacing plate 472. ), including
The second upper moving mechanism (473a) is installed on the intermediate template (43) to be located at a higher position than the second lower moving mechanism (473b) based on the vertical direction,
The injection molding machine is characterized in that the second lower moving mechanism (473b) is installed on the intermediate plate (43) to be located at a position spaced apart from the second upper moving mechanism (473a) based on the second axis direction. According to clause 5,
The first upper moving mechanism (463a) is installed on the intermediate template (43) to be located above the second lower moving mechanism (473b) based on the vertical direction,
The injection molding machine is characterized in that the second upper moving mechanism (473a) is installed on the intermediate plate (43) to be located above the first lower moving mechanism (463b) based on the vertical direction. According to paragraph 1,
A fixing mold 411 arranged to face the first intermediate mold 431 is installed on the fixing plate 41,
A moving mold 421 arranged to face the second intermediate mold 432 is installed on the moving template 42,
The driving unit 44 includes a first driving mechanism 441 that moves the intermediate template 43, and a second driving mechanism 442 that moves the moving template 42,
The first driving mechanism 441 moves the intermediate template 43 along the first axis direction to close and open the first intermediate mold 431 and the fixed mold 411,
The second driving mechanism 442 moves the movable platen 42 along the first axis direction to close and open the second intermediate mold 432 and the movable mold 421. Molding machine.

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