Sliding block ejection mechanism

Abstract

The utility model discloses a slide block ejection mechanism which comprises a fixed mold side and a movable mold side, the fixed mold side is arranged above the movable mold side, a first locking block is fixed on the left side of the lower end of the fixed mold side, a first inclined guide pillar is fixed in the first locking block in a penetrating mode, a first slide block base movably penetrates through the outer portion of the first inclined guide pillar, and a slide block bottom plate is movably arranged on the left side above the movable mold side. The lower end of the first sliding block base is slidably connected with the upper end of the sliding block bottom plate through a rail. According to the sliding block ejection mechanism, a first sliding block structure composed of a first locking block, a first inclined guide column, a first sliding block seat, a sliding block bottom plate guide column, a sliding block bottom plate and a first sliding block mold core is arranged on the left side, and a second sliding block structure composed of a runner bridge, a second sliding block mold core, a second locking block, a second inclined guide column and a second sliding block seat is arranged on the right side, so that the second sliding block structure on the right side adopts a runner bridge connection block; the sliding block is changed into a tunnel structure, so that the length of a runner is greatly shortened, the material cost is reduced, the stroke of the sliding block is greatly shortened, and a complicated oil cylinder structure is omitted.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a slide block ejection mechanism. Background Art

[0002] Sliders are commonly used parts in molds. They are generally used to form holes and grooves on plastic parts. Generally speaking, the depth and profile of the slide into the cavity match the depth and profile of the hole and groove on the plastic part. The deeper the hole and groove, the deeper the slide will be. The larger the hole and groove profile diameter, the larger the surface area of ​​the hole and groove extending into the cavity. When opening the mold, the slide needs to be withdrawn from the plastic part before the subsequent demolding action can be performed. In this way, the slide has a long stroke and needs to set up a complex cylinder structure, resulting in high costs. For this purpose, a slide ejection mechanism is required. Utility Model Content

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a slider ejection mechanism to solve the problems existing in the above-mentioned background technology.

[0004] A slider ejection mechanism comprises a fixed mold side and a movable mold side, the fixed mold side is arranged above the movable mold side, a locking block is fixed to the left side of the lower end of the fixed mold side, an inclined guide column is fixed inside the locking block, a slider seat is movably penetrated outside the inclined guide column, a slider bottom plate is movably provided on the left side above the movable mold side, a lower end of the slider seat is slidably connected to the upper end of the slider bottom plate through a track, a vertical slider bottom plate guide column is fixed to the lower end of the slider bottom plate, the lower end of the slider bottom plate guide column penetrates the movable mold side, and a slider core extending between the fixed mold side and the movable mold side is fixed to the right end of the slider seat;

[0005] A locking block 2 is fixed on the right side of the lower end of the fixed mold side, and an inclined guide column 2 is fixed and penetrated inside the locking block 2. A slider seat 2 is movably penetrated outside the inclined guide column 2. The slider seat 2 is slidably arranged above the movable mold side, and a slider core 2 extending between the fixed mold side and the movable mold side is fixed on the left end of the slider seat 2. A runner bridge is provided on the right side between the fixed mold side and the movable mold side, and the slider core 2 and the runner bridge are penetrated.

[0006] Preferably, the fixed mold side includes a fixed mold base plate, a hot runner plate and a fixed mold plate, the hot runner plate is installed at the lower end of the fixed mold base plate, a hot runner system is installed between the fixed mold base plate and the hot runner plate, and the fixed mold plate is installed at the lower end of the hot runner plate.

[0007] Preferably, the movable mold side includes a movable mold plate, a square iron, a push rod plate, a push rod bottom plate and a movable mold bottom plate, the movable mold plate is arranged below the fixed mold plate, the square iron has a pair and is respectively fixed on the front and rear sides of the lower end of the movable mold plate, the push rod plate is slidably connected between the square irons, the push rod bottom plate is fixed at the lower end of the push rod plate, the movable mold bottom plate is fixed between the lower ends of the square irons, an ejector rod is fixed at the upper end of the push rod plate, the upper end of the ejector rod passes through the movable mold plate and is fixed to the lower end of the slider bottom plate.

[0008] Preferably, the locking block 1 is fixed to the lower end of the fixed template, and the guide column of the slider bottom plate and the movable template are movably penetrated.

[0009] Preferably, the slider bottom plate and the movable template are provided with openings for accommodating the inclined guide column 1.

[0010] Preferably, the second locking block is fixed to the lower end of the fixed template, and the second sliding block seat is slidably connected to the upper end of the movable template via a track.

[0011] Beneficial effect: The slider ejection mechanism has a slider structure 1 composed of a locking block 1, an inclined guide column 1, a slider seat 1, a slider bottom plate guide column, a slider bottom plate, and a slider core 1 on the left side, and a slider structure 2 composed of a flow channel bridge, a slider core 2, a locking block 2, an inclined guide column 2, and a slider seat 2 on the right side. In this way, the slider structure 2 on the right side adopts a flow channel bridging block to turn the slider into a tunnel structure, thereby greatly shortening the length of the flow channel, reducing material costs, greatly shortening the slider stroke, and omitting the complicated cylinder structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an overall schematic diagram of the utility model;

[0013] Figure 2 For this utility model Figure 1 A partial schematic diagram of .

[0014] In the figure: 1-fixed mold base plate, 2-hot runner plate, 3-fixed mold plate, 4-movable mold plate, 5-square iron, 6-ejector plate, 7-ejector base plate, 8-movable mold base plate, 9-locking block one, 10-inclined guide column one, 11-slider seat one, 12-slider base plate guide column, 13-slider base plate, 14-ejector rod, 15-slider core one, 16-hot runner system, 17-runner bridge, 18-slider core two, 19-locking block two, 20-inclined guide column two, 21-slider seat two. DETAILED DESCRIPTION

[0015] See also Figure 1-Figure 2A slider ejection mechanism includes a fixed mold side and a movable mold side, wherein the fixed mold side is arranged above the movable mold side, the fixed mold side includes a fixed mold bottom plate 1, a hot runner plate 2 and a fixed mold plate 3, the hot runner plate 2 is installed at the lower end of the fixed mold bottom plate 1, a hot runner system 16 is installed between the fixed mold bottom plate 1 and the hot runner plate 2, the fixed mold plate 3 is installed at the lower end of the hot runner plate 2, the movable mold side includes a movable mold plate 4, a square iron 5, an ejector plate 6, an ejector bottom plate 7 and a movable mold bottom plate 8, the movable mold plate 4 is provided It is placed below the fixed template 3, the square iron 5 has a pair and is respectively fixed on the front and rear sides of the lower end of the movable template 4, the ejector plate 6 is slidably connected between the square irons 5, the ejector bottom plate 7 is fixed at the lower end of the ejector plate 6, the movable mold bottom plate 8 is fixed between the lower ends of the square irons 5, and an ejector rod 14 is fixed at the upper end of the ejector plate 6. The ejector bottom plate 7 can move up and down between the square irons 5, thereby driving the ejector plate 6 to move up and down between the square irons 5, and the ejector plate 6 can drive the ejector rod 14 to move up and down;

[0016] A locking block 9 is fixed to the left side of the lower end of the fixed mold side, an inclined guide column 10 is fixedly penetrated inside the locking block 9, a slider seat 11 is movably penetrated outside the inclined guide column 10, a slider bottom plate 13 is movably provided on the left side above the movable mold side, the lower end of the slider seat 11 is slidably connected with the upper end of the slider bottom plate 13 through a track, a vertical slider bottom plate guide column 12 is fixed to the lower end of the slider bottom plate 13, the lower end of the slider bottom plate guide column 12 penetrates the movable mold side, a slider core 15 extending between the fixed mold side and the movable mold side is fixed to the right end of the slider seat 11, the upper end of the ejector rod 14 penetrates the movable mold plate 4 and is fixed to the lower end of the slider bottom plate 13, the locking block 9 is fixed to the lower end of the fixed mold plate 3, the slider bottom plate guide column 12 movably penetrates the movable mold plate 4, and there is a The opening of the inclined guide column 10 is accommodated. When the mold is opened, as the movable mold side moves downward, the inclined guide column 10 and the slider seat 11 move upward relatively. In this way, the inclined guide column 10 cooperates with the inclined hole of the slider seat 11, so that the slider seat 11 moves left along the track on the slider bottom plate 13, and the slider seat 11 drives the slider core 15 to move left, so as to realize demoulding. When the movable mold side is opened, the molding machine acts on the ejector rod 14 to make it move upward, which can drive the slider bottom plate 13 to move upward. At this time, the slider bottom plate 13 drives the slider bottom plate guide column 12 to move upward. At this time, the product is hung on the slider seat 11 and is separated from the restraint of the movable model cavity together with the slider seat 11. When it is ejected to the set position, the suction cup on the manipulator of the molding machine sucks the product, and the product can be easily taken out along the axial direction of the slider seat 11;

[0017] A locking block 21 is fixed to the right side of the lower end of the fixed mold side, an inclined guide column 20 is fixed inside the locking block 21, a slider seat 21 is movably penetrated outside the inclined guide column 20, the slider seat 21 is slidably arranged above the movable mold side, a slider core 21 is fixed to the left end of the slider seat 21, extending into between the fixed mold side and the movable mold side, a runner bridge 17 is arranged on the right side between the fixed mold side and the movable mold side, the slider core 218 and the runner bridge 17 are penetrated, the locking block 21 is fixed to the lower end of the fixed mold plate 3, the slider seat 21 is connected to the upper end of the movable mold plate 4 by rail sliding, when the mold is opened, as the movable mold side moves downward, the inclined guide column 20 moves upward relatively, so that the inclined guide column 20 cooperates with the inclined hole of the slider seat 21, so that the slider seat 21 moves right along the track on the movable mold plate 4, and the slider seat 21 drives the slider core 21 to move right, thereby realizing demoulding.

[0018] Working principle: When the mold needs to be opened after injection molding, as the movable mold side moves downward, the inclined guide column 10 and the slider seat 11 move up relatively, so that the inclined guide column 10 cooperates with the inclined hole of the slider seat 11, so that the slider seat 11 moves left along the track on the slider bottom plate 13, and the slider seat 11 drives the slider core 15 to move left. In addition, the inclined guide column 20 moves up relatively, so that the inclined guide column 20 cooperates with the inclined hole of the slider seat 21, so that the slider seat 21 moves right along the track on the movable mold plate 4, and the slider seat 21 drives the slider core 2 18 to move right, so as to realize demoulding. When the movable mold After the side mold is opened, the molding machine acts on the ejector rod 14 to make it move upward, which can drive the slider bottom plate 13 to move upward. At this time, the slider bottom plate 13 drives the slider bottom plate guide column 12 to move upward. At this time, the product is hung on the slider seat 11 and is separated from the restraint of the dynamic model cavity together with the slider seat 11. When it is ejected to the set position, the suction cup on the robot arm of the molding machine sucks the product, and the product can be easily taken out along the axial direction of the slider seat 11. This greatly shortens the length of the runner, reduces material costs, greatly shortens the slider stroke, and omits the complicated cylinder structure.

[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slider ejection mechanism, comprising a fixed mold side and a movable mold side, wherein the fixed mold side is arranged above the movable mold side, and is characterized in that: A locking block (9) is fixed on the left side of the lower end of the fixed mold side, an inclined guide column (10) is fixed inside the locking block (9), a slider seat (11) is movably penetrated outside the inclined guide column (10), a slider bottom plate (13) is movably provided on the left side above the movable mold side, the lower end of the slider seat (11) is slidably connected to the upper end of the slider bottom plate (13) through a track, a vertical slider bottom plate guide column (12) is fixed on the lower end of the slider bottom plate (13), the lower end of the slider bottom plate guide column (12) penetrates the movable mold side, and a slider core (15) extending between the fixed mold side and the movable mold side is fixed on the right end of the slider seat (11); A locking block 2 (19) is fixed on the right side of the lower end of the fixed mold side, an inclined guide column 2 (20) is fixed inside the locking block 2 (19), a slider seat 2 (21) is movably penetrated outside the inclined guide column 2 (20), the slider seat 2 (21) is slidably arranged above the movable mold side, a slider core 2 (18) extending between the fixed mold side and the movable mold side is fixed on the left end of the slider seat 2 (21), a flow channel bridge (17) is provided on the right side between the fixed mold side and the movable mold side, and the slider core 2 (18) and the flow channel bridge (17) are arranged to penetrate each other.

2. A slider ejection mechanism according to claim 1, characterized in that: The fixed mold side comprises a fixed mold base plate (1), a hot runner plate (2) and a fixed mold plate (3); the hot runner plate (2) is mounted at the lower end of the fixed mold base plate (1); a hot runner system (16) is installed between the fixed mold base plate (1) and the hot runner plate (2); and the fixed mold plate (3) is mounted at the lower end of the hot runner plate (2).

3. A slider ejection mechanism according to claim 2, characterized in that: The movable mold side comprises a movable mold plate (4), a square iron (5), a push rod plate (6), a push rod bottom plate (7) and a movable mold bottom plate (8); the movable mold plate (4) is arranged below the fixed mold plate (3); a pair of square irons (5) are respectively fixed to the front and rear sides of the lower end of the movable mold plate (4); the push rod plate (6) is slidably connected between the square irons (5); the push rod bottom plate (7) is fixed to the lower end of the push rod plate (6); the movable mold bottom plate (8) is fixed between the lower ends of the square irons (5); an ejector rod (14) is fixed to the upper end of the push rod plate (6); the upper end of the ejector rod (14) passes through the movable mold plate (4) and is fixed to the lower end of the slider bottom plate (13).

4. A slider ejection mechanism according to claim 3, characterized in that: The locking block 1 (9) is fixed to the lower end of the fixed template (3), and the slider bottom plate guide column (12) and the movable template (4) are movably interpenetrating.

5. A slider ejection mechanism according to claim 4, characterized in that: The slider bottom plate (13) and the movable plate (4) are provided with openings for accommodating the inclined guide column 1 (10).

6. A slider ejection mechanism according to claim 3, characterized in that: The second locking block (19) is fixed to the lower end of the fixed template (3), and the second sliding block seat (21) is slidably connected to the upper end of the movable template (4) via a track.

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