CN221022187U

CN221022187U - Demolding ejection mechanism

Info

Publication number: CN221022187U
Application number: CN202322761505.7U
Authority: CN
Inventors: 丁宗霞; 阮爱民
Original assignee: Hefei Hongzhun Precision Mold Co ltd
Current assignee: Hefei Hongzhun Precision Mold Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-05-28
Anticipated expiration: 2033-10-16

Abstract

The utility model provides a demolding ejection mechanism, which comprises: the two sides of the top plate are symmetrically provided with a storage groove I, the two sides of the top plate are symmetrically provided with a storage groove II, the first positioning block and the second positioning block are respectively connected in the storage groove I and the storage groove II in a sliding mode through springs, meanwhile, the top plate I is connected with the vertical plate and the top plate II through the first positioning block and the second positioning block respectively, the lower surface of the top plate II is fixedly connected with a limiting column I, the limiting column I is connected in the limiting groove I formed in the bottom of the die cavity in a sliding mode, the upper surface of the top plate II is movably connected with the lower surface of the vertical plate, one side of the vertical plate, far away from the top plate II, is fixedly connected with a sliding block I, and the sliding block I is connected in the sliding groove I formed in the die cavity. According to the utility model, through the matching of the vertical plate, the first top plate, the second top plate and the ejector column, the ejector mechanism can carry out batch demolding on each surface of a product, so that the demolding quality of the product is enhanced, and the demolding difficulty is reduced.

Description

Demolding ejection mechanism

Technical Field

The utility model relates to the technical field of mold ejection, in particular to a demolding ejection mechanism.

Background

The mold refers to various molds and tools used for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods to obtain the required products in industrial production; in short, a mold is a tool for making a molded article, which is composed of various parts, and different molds are composed of different parts; the processing of the appearance of the article is realized mainly by changing the physical state of the formed material.

Through retrieval, a demolding ejection mechanism (application number: CN 202221739899.5) for an injection mold disclosed in the prior art is described in the specification, wherein the ejection module comprises a base symmetrically arranged in an inner cavity of the main body module, an ejection assembly with one end movably arranged at the other end of the inner cavity of the base and extending out of the base, a rubber block arranged at the top end of the ejection assembly, a second spring for connecting the bottom end of the ejection assembly with the inner wall of the base, and an air supply assembly arranged on the inner wall of the base; the ejection mechanism has the advantages of avoiding damaging products and avoiding pressure difference from influencing ejection during ejection, but in the actual ejection process, the ejection mechanism has large contact area due to the fact that products are precisely attached to the inner wall of the die, so that the ejection difficulty of the products can be increased, the problem that the local positions of the surfaces of the products are easily damaged by pulling or napped is solved, and then the quality of the products can be influenced.

Disclosure of utility model

In order to overcome the defects in the prior art, a demolding ejection mechanism is provided at present to solve the problems in the prior art.

To achieve the above object, there is provided a demolding ejection mechanism, comprising: the die comprises a first top plate and a second top plate, wherein the upper surface of the die is provided with a die cavity, the bottom of the die cavity is in sliding connection with the first top plate, the lower surface of the first top plate is fixedly connected with a top column, the top column is in sliding connection with the first through groove formed in the bottom of the die cavity, the end faces of the two ends of the first top plate are symmetrically provided with storage grooves, the side faces of the two sides of the first top plate are symmetrically provided with storage grooves, a first positioning block and a second positioning block are respectively in sliding connection with the first storage grooves and the second storage grooves through springs, the first top plate is fixedly connected with a first limiting column through the first positioning block and the second positioning block, the lower surface of the second top plate is fixedly connected with the first limiting column, the upper surface of the second top plate is movably connected with the lower surface of the first limiting column, one side of the first vertical plate, which is far away from the first top plate, is fixedly connected with a first sliding block, and the first sliding block is in a sliding groove formed in the die cavity.

Preferably, the die cavity that the mould was seted up is square structure, and two sets of grooves that run through of die cavity bottom symmetry are offered two sets of groove second, run through the lower surface of groove second intercommunication mould, and two sets of spouts first that the die cavity both sides side symmetry was offered all are rectangle structure, and the length of spout first is less than the degree of depth of die cavity simultaneously.

Preferably, the riser is protruding font structure, and the size looks adaptation of riser and die cavity, and the position that the riser surface is close to locating piece one corresponds to set up constant head tank one, and the cross-section of constant head tank one is arc structure, and riser fixed connection's slider one is square structure simultaneously, and slider one and the size looks adaptation of spout one.

Preferably, the two top plates are two groups, the two top plates are of rectangular structures, the lower surfaces of the two top plates are parallel and equidistant, and are fixedly connected with three groups of first limiting columns, the cross section formed by combining the two top plates and the first limiting columns is of an E-shaped structure, and meanwhile, the cross section of the shaft of the first limiting column is of a T-shaped structure.

Preferably, the first top plate is of a rectangular structure, the length of the first top plate is smaller than that of the second top plate, the first top plate and the second top plate are combined together to form an I-shaped structure, and meanwhile, the first storage groove and the second storage groove formed in the first top plate are of rectangular structures.

Preferably, the first positioning block is in a rectangular structure, one side of the first positioning block, which is close to the first storage groove, is parallel and equidistant to one end of the plurality of groups of springs, the other end of the plurality of groups of springs is fixedly connected with the surface of the first storage groove, one side, far away from the first storage groove, of the first positioning block is in a cambered surface structure, and meanwhile, the second positioning block and the first positioning block are identical in structure.

Preferably, the second side of the top plate is correspondingly provided with a second positioning groove corresponding to the second positioning block, the section of the second positioning groove is of an arc-shaped structure, the bottom of the die cavity is correspondingly provided with a first limiting groove corresponding to the first limiting column, the shaft section of the first limiting groove is of a convex structure, and meanwhile, the vertical plate, the first top plate and the second top plate are combined together to form a U-shaped structure.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of riser, roof one and roof two for the surface of product respectively with die cavity inner wall, riser surface, roof one surface and roof two surface contact, then when promoting roof one through the jack-up post and upwards move, roof one can drive roof two and riser synchronous motion through locating piece one and locating piece two, then make the product break away from with the die cavity inner wall earlier, afterwards under the cooperation of spacing post one and slider one, make roof two and riser stop moving in proper order, then make each surface of product can the drawing of patterns of batch, thereby can reduce the degree of difficulty of product drawing of patterns, also can effectively reduce the probability that the strain or napping problem appear on the product surface, ensure the quality of product.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present utility model.

Fig. 2 is a schematic side view of an embodiment of the present utility model.

Fig. 3 is a schematic top view of an embodiment of the present utility model.

Fig. 4 is a schematic diagram of connection of the vertical plate, the first top plate and the second top plate according to an embodiment of the present utility model.

In the figure: 1. a mold; 2. a vertical plate; 3. a first sliding block; 4. a first positioning block; 5. a first top plate; 6. a first limit column; 7. a first limit groove; 8. a second positioning block; 9. a top column; 10. and a top plate II.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a demolding ejection mechanism, comprising: the die comprises a first top plate 5 and a second top plate 10, wherein a die cavity is formed in the upper surface of the die 1, the bottom of the die cavity is in sliding connection with the first top plate 5, the lower surface of the first top plate 5 is fixedly connected with a top column 9, the top column 9 is in sliding connection with the first through groove formed in the bottom of the die cavity, the end faces of the two ends of the first top plate 5 are symmetrically provided with a first storage groove, the side faces of the two sides of the first top plate 5 are symmetrically provided with a second storage groove, a first positioning block 4 and a second positioning block 8 are respectively in sliding connection with the first storage groove and the second storage groove through springs, meanwhile, the first top plate 5 is respectively connected with a vertical plate 2 and the second top plate 10 through the first positioning block 4 and the second positioning block 8, the lower surface of the second top plate 10 is fixedly connected with a first limit column 6, the first limit column 6 is in sliding connection with the first limit groove 7 formed in the bottom of the die cavity, the upper surface of the second top plate 10 is movably connected with the lower surface of the vertical plate 2, one side of the vertical plate 2, the vertical plate 2 is far away from the first slide 3 of the second top plate 10 is fixedly connected with the slide 3, and the slide 3 is in the first slide groove formed in the die cavity.

In this embodiment, when the product needs to be ejected and demolded, the ejector column 9 is pushed to move upwards through the external air cylinder, the ejector column 9 pushes the fixedly connected top plate one 5 to move upwards synchronously, the top plate one 5 drives the vertical plate 2 and the top plate two 10 to move upwards synchronously through the first positioning block 4 and the second positioning block 8, then corresponding demolding treatment is performed between the product and the inner wall of the mold cavity, then the top plate two 10 stops moving under the limit of the first limiting column 6, then the second positioning block 8 is separated from the second positioning groove, demolding treatment is performed between the product and the top plate two 10, the vertical plate 2 stops moving after the limit of the first positioning block 3, the first positioning block 4 is separated from the first positioning groove, and demolding treatment is performed between the product and the vertical plate 2 under the pushing of the first top plate 5, the product can be completely separated from the mold cavity, so that workers can collect the products conveniently, and the demolding difficulty can be effectively reduced by demolding for batch times on each surface of the product, and the quality of the product after demolding is ensured.

As a preferred implementation mode, the die cavity formed by the die 1 is of a square structure, two groups of through grooves II are symmetrically formed in the bottom of the die cavity, the through grooves II are communicated with the lower surface of the die 1, two groups of sliding grooves I symmetrically formed in the side faces of two sides of the die cavity are of rectangular structures, and meanwhile, the length of each sliding groove I is smaller than the depth of the die cavity.

In this embodiment, as shown in fig. 1, the second through slot is formed, so that the air pressure at the bottom of the mold cavity can be balanced, and thus the difficulty in demolding of a product can be reduced in an auxiliary manner, and meanwhile, the first through slot can effectively limit the moving range of the first sliding block 3, so that demolding between the vertical plate 2 and the product can be realized conveniently.

As a preferred implementation mode, the vertical plate 2 is of a convex structure, the size of the vertical plate 2 is matched with that of the die cavity, the position, close to the first positioning block 4, of the surface of the vertical plate 2 is correspondingly provided with the first positioning groove, the section of the first positioning groove is of an arc-shaped structure, meanwhile, the first sliding block 3 fixedly connected with the vertical plate 2 is of a square structure, and the size of the first sliding block 3 is matched with that of the first sliding groove.

In this embodiment, as shown in fig. 1 and 4, the structure of the vertical plate 2 is set, so that the connection parts among the vertical plate 2, the first top plate 5 and the second top plate 10 can be tightly attached, thereby ensuring smooth molding of the product, and meanwhile, the dimensional phase of the first sliding block 3 and the first sliding chute is adapted, so that the stability of the vertical plate 2 during moving can be enhanced in an auxiliary manner.

As a preferred implementation manner, the two top plates 10 are divided into two groups, the two top plates 10 are of rectangular structures, the lower surfaces of the two top plates 10 are parallel and equidistant to fixedly connect with the three groups of first limiting posts 6, the cross section formed by combining the two top plates 10 and the first limiting posts 6 is of an E-shaped structure, and meanwhile, the axial cross section of the first limiting post 6 is of a T-shaped structure.

In this embodiment, as shown in fig. 3 and 4, the first limiting post 6 fixedly connected to the lower surface of the second top plate 10 can limit the moving range of the second top plate 10 through the cooperation of the first limiting groove 7, so as to facilitate demolding between the second top plate 10 and a product.

As a preferred embodiment, the first top plate 5 has a rectangular structure, the length of the first top plate 5 is smaller than that of the second top plate 10, the first top plate 5 and the second top plate 10 are combined together to form an i-shaped structure, and the first storage groove and the second storage groove formed in the first top plate 5 are both rectangular structures.

In this embodiment, as shown in fig. 3 and 4, the length of the first top plate 5 is smaller than that of the second top plate 10, so that the first positioning plate and the second top plate 10 are combined to form a top plate assembly, which can be mutually embedded with the vertical plate 2, thereby enhancing the tightness of the joint between the top plate assembly and the vertical plate 2.

As a preferred embodiment, the first positioning block 4 is in a rectangular structure, one side of the first positioning block 4 close to the first storage groove is parallel and equidistant to be fixedly connected with one end of the plurality of groups of springs, the other end of the plurality of groups of springs is fixedly connected with the surface of the first storage groove, one side of the first positioning block 4 far away from the first storage groove is in a cambered surface structure, and meanwhile, the second positioning block 8 and the first positioning block 4 are identical in structure.

In this embodiment, as shown in fig. 1 and 3, the upper and lower surfaces of the first positioning plate and the second positioning plate 8 are fixedly connected with bumps, the bumps are slidably connected in grooves correspondingly formed, so that the first positioning plate 4 and the second positioning plate 8 can be effectively prevented from accidentally separating from the first top plate 5, and corresponding friction layers can be arranged on the surfaces of the first positioning plate 4 and the second positioning plate 8 when the friction force between the vertical plate 2 and the first top plate 5 and the friction force between the second top plate 10 and the first top plate 5 are required to be enhanced.

As a preferred implementation manner, a second positioning groove is correspondingly formed in the side surface of the second top plate 10 opposite to the second positioning block 8, the section of the second positioning groove is of an arc-shaped structure, a first limiting groove 7 is correspondingly formed in the bottom of the die cavity opposite to the first limiting post 6, the shaft section of the first limiting groove 7 is of a convex structure, and meanwhile, the vertical plate 2, the first top plate 5 and the second top plate 10 are combined together to form a U-shaped structure.

In this embodiment, as shown in fig. 2 and 3, the first limit post 6 and the first limit groove 7 are adapted in size, so that stability of the second top plate 10 during movement can be enhanced in an auxiliary manner, batch demolding of products can be realized through cooperation of the vertical plate 2, the first top plate 5, the second top plate 10 and the mold cavity, demolding quality of the products is enhanced, and demolding difficulty of the products is reduced.

According to the demolding ejection mechanism, through the cooperation of the vertical plate 2, the first top plate 5, the second top plate 10 and the ejection column 9, the ejection mechanism can perform batch demolding on all surfaces of a product, so that the demolding quality of the product is enhanced, and the demolding difficulty is reduced.

Claims

1. A knockout mechanism comprising: roof one (5) and roof two (10), the die cavity is seted up to die (1) upper surface, die cavity bottom sliding connection roof one (5), lower fixed surface of roof one (5) connects jack-prop (9), and jack-prop (9) sliding connection is in the through groove one of seting up in the die cavity bottom, its characterized in that: the end surfaces of the two ends of the first top plate (5) are symmetrically provided with a first storage groove, the side surfaces of the two sides of the first top plate (5) are symmetrically provided with a second storage groove, the first positioning block (4) and the second positioning block (8) are respectively and slidably connected in the first storage groove and the second storage groove through springs, meanwhile, the first top plate (5) is respectively connected with the vertical plate (2) and the second top plate (10) through the first positioning block (4) and the second positioning block (8), the lower surface of roof two (10) fixed connection spacing post (6), spacing post (6) sliding connection is in spacing groove one (7) of seting up of die cavity bottom, and the upper surface swing joint riser (2) of roof two (10) lower surface, one side fixed connection slider one (3) of roof two (10) are kept away from to riser (2), slider one (3) sliding connection is in spout one of seting up of die cavity.

2. The demolding ejection mechanism according to claim 1, wherein the mold cavity formed by the mold (1) is of a square structure, two groups of through grooves II are symmetrically formed in the bottom of the mold cavity, the through grooves II are communicated with the lower surface of the mold (1), two groups of sliding grooves I formed in the side faces of the two sides of the mold cavity are of rectangular structures, and meanwhile, the length of each sliding groove I is smaller than the depth of the mold cavity.

3. The demolding ejection mechanism according to claim 1, wherein the vertical plate (2) is of a convex structure, the vertical plate (2) is matched with the mold cavity in size, the position, close to the first positioning block (4), of the surface of the vertical plate (2) is correspondingly provided with the first positioning groove, the section of the first positioning groove is of an arc-shaped structure, meanwhile, the first sliding block (3) fixedly connected with the vertical plate (2) is of a square structure, and the first sliding block (3) is matched with the first sliding groove in size.

4. The demolding ejection mechanism according to claim 1, wherein the two top plates (10) are two groups, the two top plates (10) are of rectangular structures, the lower surfaces of the two top plates (10) are fixedly connected with three groups of first limiting columns (6) at equal intervals in parallel, the cross section formed by combining the two top plates (10) and the first limiting columns (6) is of an E-shaped structure, and meanwhile, the shaft cross section of the first limiting columns (6) is of a T-shaped structure.

5. The demolding ejection mechanism according to claim 1, wherein the first top plate (5) is of a rectangular structure, the length of the first top plate (5) is smaller than that of the second top plate (10), the first top plate (5) and the second top plate (10) are combined to form an I-shaped structure, and meanwhile, the first storage groove and the second storage groove formed in the first top plate (5) are of rectangular structures.

6. The demolding ejection mechanism according to claim 1, wherein the first positioning block (4) is of a rectangular structure, one side of the first positioning block (4) close to the first storage groove is parallel and equidistant to be fixedly connected with one end of the plurality of groups of springs, the other end of the plurality of groups of springs is fixedly connected with the surface of the first storage groove, one side of the first positioning block (4) far away from the first storage groove is of a cambered surface structure, and meanwhile, the structures of the second positioning block (8) and the first positioning block (4) are identical.

7. The demolding ejection mechanism according to claim 1, wherein a positioning groove II is correspondingly formed in the side surface of the top plate II (10) opposite to the positioning block II (8), the section of the positioning groove II is of an arc-shaped structure, a limiting groove I (7) is correspondingly formed in the bottom of the mold cavity opposite to the limiting post I (6), the shaft section of the limiting groove I (7) is of a convex structure, and meanwhile, the vertical plate (2), the top plate I (5) and the top plate II (10) are combined together to form a U-shaped structure.