Mold opening mechanism

Abstract

The present invention proposes a mold opening mechanism, including a mold, a plurality of first control components and a plurality of second control components, the mold including a movable mold plate, a pull plate, a fixed mold plate, a nozzle plate and a panel, the movable mold plate, the pull plate, the fixed mold plate, the nozzle plate and the panel are arranged in sequence from top to bottom; the movable mold plate and the fixed mold plate are connected to the pull plate by setting a rubber plug respectively; the first control component includes a locking seat and a sliding member, the locking seat is arranged on the pull plate, one end of the sliding member is arranged on the movable mold plate, the other end of the sliding member is inserted into the locking seat and slidably connected with the locking seat; the second control component includes a first limiting rod, the first limiting rod has a first limiting end and a first fixed end, a first limiting channel is arranged in the pull plate, the first limiting end is slidably arranged in the first limiting channel, and the first fixed end is connected to the fixed mold plate. The mold opening mechanism of the present invention controls the mold opening sequence between the movable mold plate, the pull plate and the fixed mold plate through the first control component and the second control component to solve the problem of removing special parts.

Description

Technical Field

[0001] The invention relates to the technical field of mold processing, and in particular to a mold opening mechanism. Background Art

[0002] In the process of producing injection molded glass cup holders, it is often necessary to use a three-plate mold for processing. The three-plate mold mainly adds a push plate on the basis of the traditional two-plate mold. The push plate is located between the movable mold plate and the fixed mold plate. If the traditional two-plate mold is used, an upper slider is provided on the movable mold plate, and a lower slider is provided on the fixed mold plate. Both mold plates of the mold need to be demolded using a slider structure. Since there are many glue position features on the upper part of the molded glass cup holder, when the traditional mold opening method is used for mold opening, after the lower slider slides out, the molded glass cup holder will remain on the movable mold plate and cannot be removed.

[0003] The existing mold opening control assembly can only realize the following functions: the movable mold plate and the push plate move a certain distance in the mold opening direction in the closed state to disengage the fixed mold plate, and then the movable mold plate disengages from the push plate and moves in the mold opening direction until the moving distance meets the need to remove the product. However, the existing assembly cannot realize that the movable mold plate disengages from the push plate and moves a certain distance before driving the push plate to move, and cannot meet the needs of removing special parts. In addition, the existing mold opening control assembly has many parts and is costly. Summary of the invention

[0004] The object of the present invention is to provide a mold opening mechanism to solve the problem that the mold opening control assembly of the existing mold opening mechanism cannot meet the requirements for taking out special parts.

[0005] The present invention provides a mold opening mechanism, comprising a mold, a plurality of first control components and a plurality of second control components, wherein the mold comprises a movable mold plate, a pull plate, a fixed mold plate, a nozzle plate and a panel, wherein the movable mold plate, the pull plate, the fixed mold plate, the nozzle plate and the panel are arranged in sequence from top to bottom; the movable mold plate and the fixed mold plate are respectively connected to the pull plate by setting a rubber plug;

[0006] The first control assembly includes a locking seat and a sliding member, wherein the locking seat is arranged on the pulling plate, one end of the sliding member is arranged on the movable plate, and the other end of the sliding member is inserted into the locking seat and is slidably connected with the locking seat;

[0007] The second control component includes a first limiting rod, the first limiting rod has a first limiting end and a first fixed end, a first limiting channel is arranged in the pull plate, the first limiting end is slidably arranged in the first limiting channel, and the first fixed end is connected to the fixed template.

[0008] Optionally, a sliding groove is provided on a side of the locking seat facing the pull plate, and a limiting protrusion is provided on a side of the sliding groove facing the sliding member;

[0009] The sliding member includes a movable section and a fixed section, the fixed section is connected to the movable template, the movable section is slidably inserted into the slide groove, the movable section is provided with a limiting groove on one side facing the limiting protrusion, the limiting groove extends along the mold opening direction, and the limiting protrusion is slidably arranged in the limiting groove.

[0010] Optionally, the projection of the first end of the limiting groove on the mold is located on the movable mold plate, and the projection of the second end of the limiting groove on the mold is located between the pulling plate and the fixed mold plate.

[0011] Optionally, the first limiting channel includes a first vertical section, a first blocking surface and a second vertical section, the first blocking surface is arranged between the first vertical section and the second vertical section, and the first blocking surface is used to abut against the first limiting end; the first vertical section is arranged on the side of the pull plate facing the movable template, and the height of the first vertical section is greater than the height of the first limiting end; the second vertical section is arranged on the side of the pull plate facing the fixed template.

[0012] Optionally, the second control component also includes a second limiting rod, the second limiting rod having a second limiting end and a second fixed end, a second limiting channel is arranged in the movable template and the pull plate, the second limiting end is slidably arranged in the second limiting channel, and the second fixed end passes through the fixed template and is connected to the water outlet plate.

[0013] Optionally, the second control component also includes a third limiting rod, the third limiting rod having a third limiting end and a third fixed end, a third limiting channel is arranged in the panel, the third limiting end is slidably arranged in the third limiting channel, and the third fixed end passes through the water outlet plate and is connected to the second fixed end.

[0014] Optionally, the third limiting channel includes a third vertical section, a second blocking surface and a fourth vertical section, the second blocking surface is arranged between the third vertical section and the fourth vertical section, and the second blocking surface is used to abut against the third limiting end; the third vertical section is arranged on the side of the panel away from the water port plate, and the height of the third vertical section is greater than the height of the third limiting end; the fourth vertical section is arranged on the side of the panel facing the water port plate.

[0015] Optionally, the first limiting rod, the second limiting rod and the third limiting rod are all bolts, the first limiting end, the second limiting end and the third limiting end are all nuts, and the first fixed end, the second fixed end and the third fixed end are all ends of the screw away from the nut.

[0016] Optionally, the mold opening mechanism also includes a guide member, which includes a guide column and a guide channel. The movable template, the pull plate, the fixed template, the sprue plate and the panel are provided with a guide channel for the guide column to pass through, and the guide channel extends in a vertical direction; one end of the guide column is provided on the panel, and the other end is slidably inserted into the guide channel.

[0017] Optionally, the mold further includes a movable mold seat, which is arranged on a side of the movable mold plate away from the pulling plate, and the movable mold seat is connected to the movable mold plate.

[0018] In the present invention, when the mold is opened, since a first limiting rod is provided between the fixed mold plate and the pull plate, the movable mold plate first drives the sliding member to move along the mold opening direction, so that the movable mold plate is separated from the pull plate, and the sliding member is in a connected state with the locking seat. The movable mold plate continues to move along the mold opening direction, and the pull plate moves in the mold opening direction under the drive of the movable mold plate, so that the pull plate moves relative to the first limiting rod until the first limiting channel in the pull plate abuts against the first limiting end of the first limiting rod, so that the pull plate and the fixed mold plate are separated. By setting the length of the first limiting rod or the length of the first limiting channel, the opening distance between the pull plate and the fixed mold plate is controlled. After the pull plate and the fixed mold plate are separated, when the movable mold plate continues to move along the mold opening direction, the sliding member is separated from the locking seat, so that the movable mold plate and the pull plate are completely separated. By setting the first control component and the second control component, the movable mold plate is separated from the pull plate and then the pull plate is driven to move, so as to ensure the mold opening sequence and meet the requirements of taking out special parts. The use of the first control component and the second control component at the same time is not prone to fatigue failure, the mold opening process is more stable, and the mold opening sequence is more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a mold opening mechanism provided by one embodiment of the present invention;

[0020] Figure 2 It is an exploded schematic diagram of a mold opening mechanism provided by one embodiment of the present invention;

[0021] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 is a schematic top view of a mold opening mechanism provided by one embodiment of the present invention;

[0023] Figure 5 yes Figure 4 Schematic diagram of the cross section along the BB direction;

[0024] Figure 6 yes Figure 5 Enlarged view of point D in the middle;

[0025] Figure 7 yes Figure 4 Schematic diagram of the CC section;

[0026] Figure 8 yes Figure 7 Enlarged view of point E in the middle.

[0027] The reference numerals in the drawings of the specification are described as follows:

[0028] 1. Moving template; 11. Second limiting channel;

[0029] 2. Pull plate; 21. First position limiting channel; 211. First vertical section; 212. First blocking surface; 213. Second vertical section;

[0030] 3. Fixed template; 4. Nozzle plate;

[0031] 5. Panel; 51. Third limiting channel; 511. Third vertical section; 512. Second blocking surface; 513. Fourth vertical section;

[0032] 61, locking seat; 611, sliding groove; 612, limiting protrusion; 62, sliding member; 621, movable section; 622, fixed section; 623, limiting groove;

[0033] 71, first limiting rod; 711, first limiting end; 712, first fixed end; 72, second limiting rod; 721, second limiting end; 722, second fixed end; 73, third limiting rod; 731, third limiting end; 732, third fixed end;

[0034] 81. guide column; 82. guide channel;

[0035] 91. square iron; 92. top plate;

[0036] 101. Locking plate; 102. First locking bolt; 103. Second locking bolt. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0038] In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", "vertical", "horizontal", "upper", "lower" and the like indicate positions or positional relationships based on the position or positional relationship of the mold. For example, vertical refers to the direction in which the movable mold plate moves when the mold is opened. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific position, be constructed and operate in a specific position, and therefore cannot be understood as a limitation to the present invention.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connection" and "overlap" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In order to illustrate the technical solution of the present invention, specific embodiments are provided below for illustration.

[0041] like Figure 1-Figure 8 As shown, a mold opening mechanism according to an embodiment of the present invention comprises a mold, a plurality of first control components and a plurality of second control components, wherein the mold comprises a movable mold plate 1, a pull plate 2, a fixed mold plate 3, a nozzle plate 4 and a panel 5, wherein the movable mold plate 1, the pull plate 2, the fixed mold plate 3, the nozzle plate 4 and the panel 5 are arranged in sequence from top to bottom. The movable mold plate 1 and the fixed mold plate 3 are respectively connected to the pull plate 2 by setting a rubber plug (not shown in the figure).

[0042] The first control component includes a locking seat 61 and a sliding member 62. The locking seat 61 is arranged on the pulling plate 2. One end of the sliding member 62 is arranged on the movable plate 1. The other end of the sliding member 62 is inserted into the locking seat 61 and is slidably connected to the locking seat 61.

[0043] The second control component includes a first limiting rod 71, which has a first limiting end 711 and a first fixed end 712. A first limiting channel 21 is provided in the pull plate 2. The first limiting end 711 is slidably provided in the first limiting channel 21, and the first fixed end 712 is connected to the fixed template 3.

[0044] In this embodiment, when the mold is opened, since the first limiting rod 71 is provided between the fixed mold plate 3 and the pull plate 2, the movable mold plate 1 first drives the sliding member 62 to move along the mold opening direction, so that the movable mold plate 1 is separated from the pull plate 2, and the sliding member 62 is in a connected state with the locking seat 61. The movable mold plate 1 continues to move along the mold opening direction, and the pull plate 2 moves in the mold opening direction driven by the movable mold plate 1, so that the pull plate 2 moves relative to the first limiting rod 71, until the first limiting channel 21 in the pull plate 2 abuts against the first limiting end 711 of the first limiting rod 71, so that the pull plate 2 is separated from the fixed mold plate 3. By setting the length of the first limiting rod 71 or the length of the first limiting channel 21, the opening distance between the pull plate 2 and the fixed mold plate 3 is controlled. After the pull plate 2 is separated from the fixed mold plate 3, when the movable mold plate 1 continues to move along the mold opening direction, the sliding member 62 is separated from the locking seat 61, so that the movable mold plate 1 is completely separated from the pull plate 2. By setting the first control component and the second control component, the movable plate 1 is separated from the pull plate 2 and then the pull plate 2 is driven to move, so as to ensure the mold opening sequence and meet the requirements of taking out special parts. The use of the first control component and the second control component at the same time is not prone to fatigue failure, the mold opening process is more stable, and the mold opening sequence is more reliable.

[0045] In a specific embodiment, four first control components and four second control components are respectively provided, two first control components are arranged in parallel on one side of the mold, and the other two first control components are arranged on the other side of the mold. The four second control components are arranged in the mold at intervals.

[0046] like Figure 3 As shown, in some embodiments of the present invention, a sliding groove 611 is provided on a side of the locking seat 61 facing the pull plate 2 , and a limiting protrusion 612 is provided on a side of the sliding groove 611 facing the sliding member 62 .

[0047] The sliding member 62 includes a movable section 621 and a fixed section 622, wherein the fixed section 622 is connected to the movable plate 1, and the movable section 621 is slidably inserted into the slide groove 611. The movable section 621 is provided with a limiting groove 623 on one side facing the limiting protrusion 612, and the limiting groove 623 extends along the mold opening direction, and the limiting protrusion 612 is slidably arranged in the limiting groove 623. By setting the length of the limiting groove 623, the opening distance of the movable plate 1 and the pull plate 2 when they are separated for the first time is controlled. When the movable plate 1 and the pull plate 2 are completely separated, the limiting protrusion 612 slides out of the limiting groove 623.

[0048] Specifically, the limiting protrusion 612 is a glass bead screw.

[0049] In some embodiments of the present invention, the projection of the first end of the limiting groove 623 on the mold is located on the movable mold plate 1, and the projection of the second end of the limiting groove 623 on the mold is located between the pulling plate 2 and the fixed mold plate 3.

[0050] like Figure 5 and Figure 6 As shown, in one embodiment of the present invention, the first limiting channel 21 includes a first vertical section 211, a first blocking surface 212 and a second vertical section 213, wherein the first blocking surface 212 is arranged between the first vertical section 211 and the second vertical section 213, and the first blocking surface 212 is used to abut against the first limiting end 711. The first vertical section 211 is arranged on the side of the pull plate 2 facing the movable template 1, and the height of the first vertical section 211 is greater than the height of the first limiting end 711. The second vertical section 213 is arranged on the side of the pull plate 2 facing the fixed template 3. By setting the height of the first vertical section 211 or the height of the first limiting end 711, the opening distance between the pull plate 2 and the fixed template 3 is limited.

[0051] like Figure 2 and Figure 7 As shown, in one embodiment of the present invention, the second control assembly further includes a second limiting rod 72, the second limiting rod 72 has a second limiting end 721 and a second fixed end 722, the movable template 1 and the pull plate 2 are provided with a second limiting channel 11, the second limiting end 721 is slidably provided in the second limiting channel 11, and the second fixed end 722 passes through the fixed template 3 and is connected to the nozzle plate 4. By providing the second limiting rod 72 and the second limiting channel 11, when the movable template 1 moves along the mold opening direction, the movable template 1, the pull plate 2 and the fixed template 3 move relative to the second limiting rod 72 until the second limiting end 721 of the second limiting rod 72 abuts against the fixed template 3, so that the fixed template 3 is separated from the nozzle plate 4, which is convenient for taking out the nozzle material. By limiting the length of the second limiting rod 72, the opening distance between the fixed template 3 and the nozzle plate 4 is controlled. When the movable template 1 moves along the mold opening direction again, the movable template 1 is separated from the pull plate 2.

[0052] like Figure 7 and Figure 8 As shown, in some embodiments of the present invention, the second control component also includes a third limiting rod 73, the third limiting rod 73 has a third limiting end 731 and a third fixed end 732, a third limiting channel 51 is arranged in the panel 5, the third limiting end 731 is slidably arranged in the third limiting channel 51, and the third fixed end 732 passes through the water outlet plate 4 and is connected to the second fixed end 722.

[0053] By setting the third limiting rod 73 and the third limiting channel 51, after the fixed mold plate 3 is separated from the nozzle plate 4, when the movable mold plate 1 moves again along the mold opening direction, the third limiting rod 73 moves in the third limiting channel 51 until the third limiting end 731 abuts against one end of the third limiting channel 51, thereby realizing the separation of the nozzle plate 4 and the panel 5.

[0054] After the nozzle plate 4 is separated from the panel 5, when the movable template 1 moves again along the mold opening direction, the movable section 621 of the sliding member 62 moves in the slide groove 611 until the limiting protrusion 612 abuts against one end of the limiting groove 623, and the movable template 1 is separated from the pulling plate 2.

[0055] After the movable template 1 is separated from the pulling plate 2, the movable template 1 continues to move in the mold opening direction, and the pulling plate 2 moves in the mold opening direction driven by the movable template 1. The pulling plate 2 moves relative to the first limiting rod 71 by setting the first limiting channel 21 until the first blocking surface 212 in the pulling plate 2 abuts against the first limiting end 711, and the pulling plate 2 is separated from the fixed template 3.

[0056] After the pull plate 2 is separated from the fixed plate 3, the movable plate 1 continues to move along the mold opening direction, the limiting protrusion 612 slides out of the limiting groove 623, the movable section 621 of the sliding member 62 is separated from the locking seat 61, and the movable plate 1 is completely separated from the pull plate 2.

[0057] like Figure 8 As shown, in some embodiments of the present invention, the third limiting channel 51 includes a third vertical section 511, a second blocking surface 512 and a fourth vertical section 513, wherein the second blocking surface 512 is arranged between the third vertical section 511 and the fourth vertical section 513, and the second blocking surface 512 is used to abut against the third limiting end 731. The third vertical section 511 is arranged on a side of the panel 5 away from the nozzle plate 4, and the height of the third vertical section 511 is greater than the height of the third limiting end 731. The fourth vertical section 513 is arranged on a side of the panel 5 facing the nozzle plate 4. By setting the height of the third vertical section 511 or the height of the third limiting end 731, the opening distance between the panel 5 and the nozzle plate 4 is limited.

[0058] In some specific embodiments of the present invention, the first limiting rod 71, the second limiting rod 72 and the third limiting rod 73 are all bolts, the first limiting end 711, the second limiting end 721 and the third limiting end 731 are all nuts, and the first fixed end 712, the second fixed end 722 and the third fixed end 732 are all ends of the screw away from the nut.

[0059] like Figure 2 , Figure 5 and Figure 7As shown, in some embodiments of the present invention, the mold opening mechanism further includes a guide member, the guide member includes a guide column 81 and a guide channel 82, and the movable mold plate 1, the pull plate 2, the fixed mold plate 3, the nozzle plate 4 and the panel 5 are provided with a guide channel 82 for the guide column 81 to pass through, and the guide channel 82 extends in the vertical direction. One end of the guide column 81 is provided on the panel 5, and the other end is slidably inserted into the guide channel 82. By providing the guide column, it is ensured that the mold moves smoothly along the mold opening direction when the mold is opened.

[0060] Specifically, a guide sleeve is provided in the guide channel 82 , and the guide post 81 is slidably inserted into the guide sleeve.

[0061] like Figure 1 As shown, in some embodiments of the present invention, the mold further comprises a movable mold seat, the movable mold seat is arranged on the side of the movable mold plate 1 away from the pull plate 2, and the movable mold seat is connected to the movable mold plate 1. Specifically, the movable mold seat comprises a square iron 91 and a top plate 92, the square iron 91 is arranged between the top plate 92 and the movable mold plate 1, the top plate 92 and the square iron 91 are connected by bolts, and the top plate 92, the square iron 91 and the movable mold plate 1 are also connected by bolts.

[0062] like Figure 1 As shown, in some embodiments of the present invention, the mold also includes a locking member, which is used to fix the mold when the mold is closed. The locking member includes a locking plate 101, a first locking bolt 102 and a second locking bolt 103. The first locking bolt 102 and the second locking bolt 103 are respectively arranged at both ends of the locking plate 101, the first locking bolt 102 is threadedly connected to the panel 5, and the second locking bolt 103 is threadedly connected to the movable template 1.

[0063] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention.

Claims

1. A mold opening mechanism, characterized in that: It comprises a mold, a plurality of first control components and a plurality of second control components, wherein the mold comprises a movable mold plate, a pull plate, a fixed mold plate, a nozzle plate and a panel, wherein the movable mold plate, the pull plate, the fixed mold plate, the nozzle plate and the panel are arranged in sequence from top to bottom; the movable mold plate and the fixed mold plate are respectively connected to the pull plate by setting a rubber plug; The first control assembly includes a locking seat and a sliding member, wherein the locking seat is arranged on the pulling plate, one end of the sliding member is arranged on the movable plate, and the other end of the sliding member is inserted into the locking seat and is slidably connected with the locking seat; The second control assembly includes a first limiting rod, the first limiting rod has a first limiting end and a first fixed end, a first limiting channel is provided in the pull plate, the first limiting end is slidably provided in the first limiting channel, and the first fixed end is connected to the fixed template; The locking seat is provided with a sliding groove on one side facing the pull plate, and the sliding groove is provided with a limiting protrusion on one side facing the sliding member; The sliding member includes a movable section and a fixed section, the fixed section is connected to the movable template, the movable section is slidably inserted into the slide groove, the movable section is provided with a limiting groove on one side facing the limiting protrusion, the limiting groove extends along the mold opening direction, and the limiting protrusion is slidably arranged in the limiting groove; The projection of the first end of the limiting groove on the mold is located on the movable mold plate, and the projection of the second end of the limiting groove on the mold is located between the pull plate and the fixed mold plate. When the movable mold plate is completely separated from the pull plate, the limiting protrusion slides out of the limiting groove; The first limiting channel includes a first blocking surface, and the first blocking surface is used to abut against the first limiting end.

2. The mold opening mechanism according to claim 1, characterized in that: The first limiting channel includes a first vertical section and a second vertical section, the first blocking surface is arranged between the first vertical section and the second vertical section; the first vertical section is arranged on the side of the pull plate facing the movable template, and the height of the first vertical section is greater than the height of the first limiting end; the second vertical section is arranged on the side of the pull plate facing the fixed template.

3. The mold opening mechanism according to claim 1, characterized in that: The second control component also includes a second limiting rod, which has a second limiting end and a second fixed end. A second limiting channel is arranged in the movable template and the pulling plate. The second limiting end is slidably arranged in the second limiting channel, and the second fixed end passes through the fixed template and is connected to the water outlet plate.

4. The mold opening mechanism according to claim 3, characterized in that: The second control component also includes a third limiting rod, which has a third limiting end and a third fixed end. A third limiting channel is arranged in the panel. The third limiting end is slidably arranged in the third limiting channel. The third fixed end passes through the water outlet plate and is connected to the second fixed end.

5. The mold opening mechanism according to claim 4, characterized in that: The third limiting channel includes a third vertical section, a second blocking surface and a fourth vertical section, the second blocking surface is arranged between the third vertical section and the fourth vertical section, and the second blocking surface is used to abut against the third limiting end; the third vertical section is arranged on the side of the panel away from the water port plate, and the height of the third vertical section is greater than the height of the third limiting end; the fourth vertical section is arranged on the side of the panel facing the water port plate.

6. The mold opening mechanism according to claim 4, characterized in that: The first limiting rod, the second limiting rod and the third limiting rod are all bolts, the first limiting end, the second limiting end and the third limiting end are all nuts, and the first fixed end, the second fixed end and the third fixed end are all ends of the screw away from the nut.

7. The mold opening mechanism according to claim 1, characterized in that: The mold opening mechanism also includes a guide member, which includes a guide column and a guide channel. The movable template, the pull plate, the fixed template, the nozzle plate and the panel are provided with a guide channel for the guide column to pass through, and the guide channel extends in a vertical direction; one end of the guide column is provided on the panel, and the other end is slidably inserted into the guide channel.

8. The mold opening mechanism according to claim 1, characterized in that: The mold further comprises a movable mold seat, which is arranged on a side of the movable mold plate away from the pulling plate, and the movable mold seat is connected to the movable mold plate.

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