A plastic mold side core ejection mechanism

Abstract

The utility model belongs to the technical field of plastic mold equipment, and is particularly a side core-pulling ejection mechanism for a plastic mold, comprising a workbench, support plates are fixedly installed on both sides of the top of the workbench, a top plate is fixedly installed on the top of the support plate, a lower mold is fixedly installed at the center of the top of the workbench, a first hydraulic rod is fixedly installed on the bottom of the top plate, and slide grooves are respectively provided on the top of the workbench corresponding to the two sides of the lower mold, a slide plate is slidably installed inside the slide groove, and a connecting column is slidably installed on the slide plate. The utility model drives the connecting plate to move by starting a second hydraulic rod, so that the slide plate slides inside the slide groove, the connecting column drives the mounting plate to move upward according to the inclination of the slide plate, and the connecting ring slides inside the connecting groove, so that the upper mold is ejected and the lower mold is separated from the upper mold. At the same time, the positioning frame and the connecting column cooperate with the connecting ring to limit the connecting column to prevent the connecting column from deviating.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic moulds, in particular to a side core-pulling and ejecting mechanism for a plastic mould. Background Art

[0002] Plastic molds are tools used in the plastic processing industry to match plastic molding machines and give plastic products a complete configuration and precise size. Due to the wide variety of plastics and processing methods, and the varying complexity of the structures of plastic molding machines and plastic products, there are also a variety of types and structures of plastic molds.

[0003] The prior art has the following deficiencies: The prior art publication number CN217226507U states that “a plastic mold side core-pulling ejection mechanism for easy material removal” “includes a workbench, a lower mold is provided on the top of the workbench, an upper mold is provided on the upper end of the lower mold, and an inclined guide column is fixedly connected to one side of the bottom end of the upper mold, a horizontally slidable alignment block is provided on the workbench, and an alignment groove is provided inside the alignment block, a column is connected to one side of the workbench, and a top plate is provided on the top of the column”:

[0004] When in use, the above-mentioned equipment adopts a hydraulic rod to drive the connection plate equipped with the upper mold to move, and through the linkage design, the lifting and lowering of the connection plate synchronously drives the horizontal movement of the alignment block, so that the alignment groove and the inclined guide column cooperate with each other and move synchronously to form a telescopic structure. It only needs to control the extension and retraction of the hydraulic rod, and there will be no interference during the process, and it is convenient to demold and take out the material. However, when closing the mold, the inclined guide column must move the inside of the alignment groove to ensure the closing of the lower mold and the upper mold. A high precision must be ensured, and it is inconvenient to use and install. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a side core-pulling and ejecting mechanism for a plastic mold to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic mold side core-pulling ejection mechanism, comprising a workbench, support plates are fixedly installed on both sides of the top of the workbench, a top plate is fixedly installed on the top of the support plate, a lower mold is fixedly installed at the center of the top of the workbench, a first hydraulic rod is fixedly installed on the bottom of the top plate, slide grooves are respectively opened on the top of the workbench corresponding to the two sides of the lower mold, a slide plate is slidably installed inside the slide groove, a connecting column is slidably installed on the slide plate, and a second hydraulic rod is fixedly installed at the rear end of the workbench;

[0007] A mounting plate is fixedly mounted on the bottom of the first hydraulic rod, and an upper mold is fixedly mounted on the bottom of the mounting plate corresponding to the position of the lower mold;

[0008] The connecting rods are fixedly mounted on both sides of the mounting plate corresponding to the upper mold.

[0009] As a preferred technical solution of the utility model, the two groups of support plates have corresponding sides respectively provided with mounting grooves, the two sides of the mounting plates extend into the interior of the mounting grooves, the interior of the mounting grooves is fixed with fixing rods, the fixing rods penetrate the mounting plates and are slidably connected to the mounting plates, and springs are sleeved on the upper and lower ends of the fixing rods corresponding to the mounting plates.

[0010] As a preferred technical solution of the utility model, a connecting block is fixedly installed at the bottom of the connecting rod, a rotating rod is fixedly installed at the bottom of the connecting block, and one end of the rotating rod close to the connecting column is rotatably connected to the center of the connecting column.

[0011] As a preferred technical solution of the utility model, the slide plate is inclined, an L-shaped plate is fixedly installed on one end of the slide plate close to the second hydraulic rod, a connecting plate is fixedly installed between the two groups of L-shaped plates, and the output end of the second hydraulic rod is fixedly connected to the connecting plate.

[0012] As a preferred technical solution of the utility model, a connecting groove is opened at the top center of the skateboard, and a connecting ring is fixedly installed at the position of the connecting column corresponding to the connecting groove. Positioning frames compatible with the connecting column are fixedly installed on the sides where the two groups of sliding grooves are close to each other, and the connecting column is slidably connected to the positioning frame.

[0013] Compared with the prior art, the utility model provides a plastic mold side core-pulling ejection mechanism, which has the following beneficial effects:

[0014] 1. This side core-pulling ejection mechanism for a plastic mold, when demoulding is required, starts the second hydraulic rod to drive the connecting plate to move, so that the slide slides inside the slide groove, the connecting column drives the mounting plate to move upward according to the inclination of the slide, and the connecting ring slides inside the connecting groove, so as to eject the upper mold and separate the lower mold from the upper mold. At the same time, the positioning frame and the connecting column cooperate with the connecting ring to limit the connecting column to prevent the connecting column from deviating.

[0015] 2. This side core-pulling ejection mechanism for a plastic mold prevents the upper mold from colliding with the lower mold when the upper mold moves downward by setting a spring. At the same time, the fixing rod is used to make the mounting plate slide up and down along the trajectory of the fixing rod to limit the mounting plate, so that the lower mold and the upper mold can be more accurately closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a rear view structural diagram of the utility model;

[0018] Figure 3 For this utility model Figure 1 A schematic diagram of the structure at A;

[0019] Figure 4 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0020] Figure 5 It is a front view cross-sectional structural schematic diagram of the utility model.

[0021] In the figure: 1. workbench; 101. slide; 102. slide plate; 103. connecting column; 1001. connecting groove; 1002. connecting ring; 1003. positioning frame; 2. support plate; 201. mounting groove; 202. fixing rod; 203. spring; 3. top plate; 301. first hydraulic rod; 302. mounting plate; 303. connecting rod; 304. connecting block; 305. rotating rod; 4. lower mold; 5. upper mold; 6. connecting plate; 7. second hydraulic rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 In this embodiment: a plastic mold side core-pulling ejection mechanism comprises a workbench 1, support plates 2 are fixedly installed on both sides of the top of the workbench 1, a top plate 3 is fixedly installed on the top of the support plate 2, and a lower mold 4 is fixedly installed at the center of the top of the workbench 1, characterized in that: a first hydraulic rod 301 is fixedly installed on the bottom of the top plate 3, a slide groove 101 is respectively opened on both sides of the top of the workbench 1 corresponding to the lower mold 4, a slide plate 102 is slidably installed inside the slide groove 101, a connecting column 103 is slidably installed on the slide plate 102, and a second hydraulic rod 7 is fixedly installed on the rear end of the workbench 1;

[0024] The bottom of the first hydraulic rod 301 is fixedly mounted with a mounting plate 302, and the bottom of the mounting plate 302 is fixedly mounted with an upper mold 5 corresponding to the position of the lower mold 4;

[0025] Connecting rods 303 are fixedly mounted on both sides of the mounting plate 302 corresponding to the upper mold 5 .

[0026] In this embodiment, the two groups of support plates 2 have mounting grooves 201 on their corresponding sides, and both sides of the mounting plates 302 extend to the inside of the mounting grooves 201. The mounting grooves 201 have fixing rods 202 fixed therein, which penetrate the mounting plates 302 and are slidably connected to the mounting plates 302. The fixing rods 202 are sleeved with springs 203 at both upper and lower ends of the mounting plates 302 corresponding to the fixing rods 202. By setting the springs 203, when the upper mold 5 moves downward, it is prevented from colliding with the lower mold 4. The fixing rod 202 allows the mounting plate 302 to slide up and down along the track of the fixing rod 202, and the mounting plate 302 is limited, so that the lower mold 4 and the upper mold 5 are more accurate when the mold is closed; the bottom of the connecting rod 303 is fixedly installed with a connecting block 304, and the bottom of the connecting block 304 is fixedly installed with a rotating rod 305, and the end of the rotating rod 305 close to the connecting column 103 is rotatably connected to the center of the connecting column 103; the slide plate 102 is inclined, and the end of the slide plate 102 close to the second hydraulic rod 7 is fixedly installed L-shaped plate, a connecting plate 6 is fixedly installed between the two groups of L-shaped plates, the output end of the second hydraulic rod 7 is fixedly connected to the connecting plate 6, a connecting groove 1001 is opened at the top center of the slide plate 102, and a connecting ring 1002 is fixedly installed at the position of the connecting column 103 corresponding to the connecting groove 1001, and a positioning frame 1003 adapted to the connecting column 103 is fixedly installed on the side close to the two groups of slide grooves 101, and the connecting column 103 is slidably connected to the positioning frame 1003; when demoulding is required, the second hydraulic rod 7 is started The connecting plate 6 is driven to move, so that the slide plate 102 slides inside the slide groove 101, and the connecting column 103 drives the mounting plate 302 to move upward according to the inclination of the slide plate 102, and the connecting ring 1002 slides inside the connecting groove 1001, thereby ejecting the upper mold 5 and separating the lower mold 4 from the upper mold 5. At the same time, the positioning frame 1003 and the connecting column 103 cooperate with the connecting ring 1002 to limit the connecting column 103 to prevent the connecting column 103 from deviating.

[0027] The working principle and use process of the utility model are as follows: when in use, the first hydraulic rod 301 is started to drive the mounting plate 302 to move downward, so that the upper mold 5 moves downward until the upper mold 5 and the lower mold 4 are fitted together to complete the mold closing, and the spring 203 is set to prevent the upper mold 5 and the lower mold 4 from colliding when the upper mold 5 moves downward. At the same time, the mounting plate 302 can be limited by the fixing rod 202, so that the lower mold 4 and the upper mold 5 are more accurate when closing the mold. When demolding is required, the first hydraulic rod 301 is started to drive the mounting plate 302 to move downward, so that the upper mold 5 and the lower mold 4 are more accurate when closing the mold. The two hydraulic rods 7 drive the connecting plate 6 to move, so that the slide plate 102 slides inside the slide groove 101, and the connecting column 103 drives the mounting plate 302 to move upward according to the inclination of the slide plate 102, and the connecting ring 1002 slides inside the connecting groove 1001, thereby ejecting the upper mold 5 and separating the lower mold 4 from the upper mold 5. At the same time, the positioning frame 1003 and the connecting column 103 cooperate with the connecting ring 1002 to limit the connecting column 103 to prevent the connecting column 103 from deviating.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A plastic mold side core-pulling ejection mechanism, comprising a workbench (1), support plates (2) are fixedly mounted on both sides of the top of the workbench (1), a top plate (3) is fixedly mounted on the top of the support plate (2), and a lower mold (4) is fixedly mounted at the center of the top of the workbench (1), characterized in that: A first hydraulic rod (301) is fixedly installed at the bottom of the top plate (3); a slide groove (101) is respectively provided on both sides of the top of the workbench (1) corresponding to the lower mold (4); a slide plate (102) is slidably installed inside the slide groove (101); a connecting column (103) is slidably installed on the slide plate (102); and a second hydraulic rod (7) is fixedly installed at the rear end of the workbench (1); A mounting plate (302) is fixedly mounted on the bottom of the first hydraulic rod (301), and an upper mold (5) is fixedly mounted on the bottom of the mounting plate (302) at a position corresponding to the lower mold (4); The connecting rods (303) are fixedly mounted on both sides of the mounting plate (302) corresponding to the upper mold (5).

2. A plastic mold side core-pulling ejection mechanism according to claim 1, characterized in that: One side corresponding to the two groups of support plates (2) is respectively provided with a mounting groove (201), and both sides of the mounting plate (302) extend into the interior of the mounting groove (201). A fixing rod (202) is fixedly installed inside the mounting groove (201), and the fixing rod (202) passes through the mounting plate (302) and is slidably connected to the mounting plate (302). The fixing rod (202) is sleeved with springs (203) at both upper and lower ends corresponding to the mounting plate (302).

3. A plastic mold side core-pulling ejection mechanism according to claim 1, characterized in that: A connecting block (304) is fixedly installed at the bottom of the connecting rod (303), and a rotating rod (305) is fixedly installed at the bottom of the connecting block (304). One end of the rotating rod (305) close to the connecting column (103) is rotatably connected to the center of the connecting column (103).

4. A plastic mold side core-pulling ejection mechanism according to claim 1, characterized in that: The slide plate (102) is arranged to be inclined, an L-shaped plate is fixedly installed at one end of the slide plate (102) close to the second hydraulic rod (7), a connecting plate (6) is fixedly installed between the two groups of L-shaped plates, and the output end of the second hydraulic rod (7) is fixedly connected to the connecting plate (6).

5. A plastic mold side core-pulling ejection mechanism according to claim 1, characterized in that: A connection groove (1001) is provided at the center of the top of the slide plate (102), and positioning frames (1003) adapted to the connection column (103) are respectively fixedly installed on the adjacent sides of the two groups of slide plates (102).

6. A plastic mold side core-pulling ejection mechanism according to claim 1, characterized in that: The connecting column (103) is fixedly mounted with a connecting ring (1002) at a position corresponding to the connecting groove (1001), and the connecting ring (1002) is rotatably mounted inside the connecting groove (1001), and one end of the connecting column (103) close to the positioning frame (1003) is rotatably connected to the positioning frame (1003).

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