Pressing die with side die insert

Abstract

The utility model provides a pressing die with a side die insert, and belongs to the technical field of die processing. The pressing die comprises an upper top plate, an upper mounting plate, an upper die, a lower die, a lower mounting plate, a first top plate, a second top plate and a lower bottom plate, the upper mounting plate is fixed to the upper top plate, the first top plate and the second top plate are fixedly connected and located between two vertical plates, a die cavity is formed in the lower die, a plurality of containing grooves are formed in the edge of the die cavity, the inserts are embedded in the containing grooves, and the inserts are inserted into the containing grooves. The insert comprises a vertical connecting block and a transverse embedded block, a transverse threaded hole is formed in the embedded block, a connecting hole is formed in the connecting block, the embedded block and the connecting block are fixedly connected through a bolt, an ejector rod is fixed to the first ejector plate, and a first through hole penetrating through the lower die is formed in the bottom of the containing groove; and a through hole II which is aligned with the through hole I and is used for allowing the ejector rod to penetrate is formed in the lower mounting plate. And the insert is transversely arranged from the outer edge, so that the embedded block can be in full contact with the product, and the firmness of the product is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mold processing and relates to a pressing mold with an embedded part in a side mold. Background Art

[0002] Plastic parts generally need to go through secondary processing after injection molding. Among them, the following problems exist in the process of tapping the inside of the injection molded parts: First, a large amount of debris generated by the injection molded parts during tapping is scattered on the ground, affecting the working environment, and the debris generated during heated tapping will accumulate on the tapping tool, affecting the processing quality of subsequent workpieces; second, there are generally multiple threaded holes on the workpiece, and the existing processing methods are mostly single-hole step-by-step processing, which has low processing efficiency and seriously affects production efficiency. Therefore, the separation core is currently the most common method for injection molding internal threads. First, the separation core needs to be installed on the mold, inserted into the mold before injection molding, and then the molten plastic is injected into the mold. After injection molding, the mold is removed, and the separation core is removed to obtain the internal thread. However, it is more difficult to remove the separation core for the lateral internal thread of the product, so an insert with internal threads is required. Utility Model Content

[0003] The utility model aims to solve the above problems in the prior art and proposes a die with a side mold insert, which directly places the product insert in the die so that the insert can fully contact the product and improve the firmness of the product.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a pressing die with a side mold inlay, comprising an upper top plate, an upper mounting plate, an upper mold, a lower mold, a lower mounting plate, a first top plate, a second top plate and a lower bottom plate, the upper mounting plate is fixed to the upper top plate, the upper mold is fixed to the upper mounting plate, the lower mold is fixed to the lower mounting plate, the lower mounting plate is fixed to the lower bottom plate through vertical plates on both sides, the first top plate and the second top plate are fixedly connected and located between the two vertical plates, characterized in that a mold cavity is opened on the lower mold, a plurality of accommodating grooves are opened on the edge of the mold cavity, an insert is embedded in the accommodating groove, the insert comprises a vertical connecting block and a horizontal embedded block, the embedded block is opened with a horizontal threaded hole, the connecting block is opened with a connecting hole, the embedded block and the connecting block are fixed by bolts, an ejector rod is fixed on the first top plate, a through hole 1 that penetrates the lower mold is opened at the bottom of the accommodating groove, and a through hole 2 is opened on the lower mounting plate for the ejector rod to penetrate and is aligned with the through hole 1.

[0005] Insert the insert into the receiving groove of the lower mold in advance, pour the plastic raw material into the mold cavity of the lower mold, and the upper ejector plate drives the upper mounting plate and the upper mold to sink under the action of the hydraulic press until the lower mold is completely molded with the lower mold. After the molding is finalized, the second ejector plate and the first ejector plate are lifted by the unloading cylinder, driving the ejector rod to lift the insert, and the insert drives the product out of the mold cavity to complete the entire processing process.

[0006] Furthermore, the center of the mold cavity of the lower mold has a protruding cylindrical block, and the upper end of the cylindrical block is buckled and covered with a circular ring insert.

[0007] Furthermore, an auxiliary ejector rod is provided through the lower mold and the lower mounting plate, and the lower end of the auxiliary ejector rod abuts against the first ejector plate.

[0008] The force application point of the ejector pin is on the insert at the edge, while the force application point of the auxiliary ejector pin is in the middle area of ​​the product. The auxiliary ejector pin can easily remove the product from the mold cavity.

[0009] Furthermore, there are 12 inserts, which are arranged in groups of four and distributed circumferentially.

[0010] Furthermore, guide pillars are passed through the first top plate and the second top plate, the lower ends of the guide pillars abut against the lower bottom plate, and the upper ends of the guide pillars abut against the lower mounting plate.

[0011] The first ejector plate and the second ejector plate are lifted up and down along the guide pillars, thereby improving the stability of the ejector rods and enabling each ejector rod to eject the product at the same time.

[0012] Compared with the prior art, the die with side mold inserts has the following advantages:

[0013] The insert is placed horizontally from the outer edge. During molding, the embedded block is completely embedded in the product. This can not only increase the firmness of the product, but also facilitate the processing and molding of the product. After taking out the product, the bolts of the connecting block are unscrewed by a screwdriver. The bolts and connecting blocks can be recycled many times. After installing the embedded block, it can be put back into the mold for further processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional view of the die with the side die insert.

[0015] Figure 2 It is a three-dimensional view of the die with side mold inserts.

[0016] Figure 3 It is a structural diagram of the product.

[0017] Figure 4 It is a structural diagram of the lower mold.

[0018] Figure 5 It is a schematic diagram of the structure of the insert.

[0019] In the figure, 1, upper top plate; 2, upper mounting plate; 3, upper mold; 4, lower mold; 41, mold cavity; 42, receiving groove; 43, through hole 1; 44, cylindrical block; 45, annular insert; 5, lower mounting plate; 51, through hole 2; 6, first top plate; 7, second top plate; 8, lower bottom plate; 9, insert; 91, connecting block; 92, embedded block; 93, bolt; 10, ejector rod; 11, auxiliary ejector rod; 12, guide column; 13, vertical plate. DETAILED DESCRIPTION

[0020] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0021] like Figure 1-5 As shown, the die with the side mold embedded part 9 includes an upper top plate 1, an upper mounting plate 2, an upper mold 3, a lower mold 4, a lower mounting plate 5, a first top plate 6, a second top plate 7 and a lower bottom plate 8. The upper mounting plate 2 is fixed on the upper top plate 1, the upper mold 3 is fixed on the upper mounting plate 2, the lower mold 4 is fixed on the lower mounting plate 5, and the lower mounting plate 5 is fixed on the lower bottom plate 8 through the vertical plates 13 on both sides. The first top plate 6 and the second top plate 7 are fixedly connected and located between the two vertical plates 13.

[0022] A cavity 41 is formed on the lower mold 4, and a plurality of receiving grooves 42 are formed on the edge of the cavity 41. An insert 9 is embedded in the receiving groove 42. The insert 9 includes a vertical connecting block 91 and a horizontal embedded block 92. The embedded block 92 has a horizontal threaded hole. The connecting block 91 has a connecting hole. The embedded block 92 is connected and fixed to the connecting block 91 by bolts 93. An ejector rod 10 is fixed on the first top plate 6. A through hole 43 penetrating the lower mold 4 is formed at the bottom of the receiving groove 42. A through hole 51 is formed on the lower mounting plate 5 for the ejector rod 10 to penetrate and is aligned with the through hole 43.

[0023] Insert the insert 9 into the receiving groove 42 of the lower mold 4 in advance, pour the plastic raw material into the mold cavity 41 of the lower mold 4, and the upper top plate 1 drives the upper mounting plate 2 and the upper mold 3 to sink under the action of the hydraulic press until the lower mold 4 is completely molded with the lower mold 4. After the molding is finalized, the second top plate 7 and the first top plate 6 are lifted by the unloading cylinder, and the ejection rod 10 is driven to lift the insert 9, and the insert 9 drives the product out of the mold cavity 41 to complete the entire processing process.

[0024] The center of the mold cavity 41 of the lower mold 4 has a protruding cylindrical block 44, and the upper end of the cylindrical block 44 is buckled with a circular ring insert 945. The lower mold 4 and the lower mounting plate 5 are also provided with auxiliary ejector rods 11, and the lower end of the auxiliary ejector rods 11 abuts against the first ejector plate 6.

[0025] The force application point of the ejector rod 10 is on the insert 9 at the edge, while the force application point of the auxiliary ejector rod 11 is on the middle area of ​​the product. The auxiliary ejector rod 11 can easily make the product escape from the mold cavity 41.

[0026] The first top plate 6 and the second top plate 7 are penetrated by guide pillars 12, the lower ends of the guide pillars 12 abut against the lower bottom plate 8, and the upper ends of the guide pillars 12 abut against the lower mounting plate 5. The first top plate 6 and the second top plate 7 are lifted up and down along the guide pillars 12, so as to improve the stability of the ejector rods 10, so that each ejector rod 10 ejects the product at the same time.

[0027] like Figure 3-4 As shown, there are twelve inserts 9, which are arranged in groups of four and distributed circumferentially.

[0028] The insert 9 is inserted horizontally from the outer edge, and the embedded block 92 is completely embedded in the product during molding. This can not only increase the firmness of the product, but also facilitate the processing and molding of the product. After taking out the product, the bolt 93 of the connecting block 91 is unscrewed by a screwdriver. The bolt 93 and the connecting block 91 can be recycled for many times. After the embedded block 92 is installed, it can be put back into the mold for further processing.

[0029] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0030] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0031] like Figure 1-5 As shown, the pressing die with side mold embedded parts includes an upper top plate, an upper mounting plate, an upper mold, a lower mold, a lower mounting plate, a first top plate, a second top plate and a lower bottom plate, the upper mounting plate is fixed on the upper top plate, the upper mold is fixed on the upper mounting plate, the lower mold is fixed on the lower mounting plate, the lower mounting plate is fixed on the lower bottom plate through the vertical plates on both sides, and the first top plate and the second top plate are fixedly connected and located between the two vertical plates.

[0032] A cavity is formed on the lower mold, and a plurality of receiving grooves are formed on the edge of the cavity. Inserts are embedded in the receiving grooves, and the inserts include a vertical connecting block and a transverse embedded block. The embedded block has a transverse threaded hole, and the connecting block has a connecting hole. The embedded block and the connecting block are fixed by bolts. An ejector rod is fixed on the first top plate, and a through hole 1 that passes through the lower mold is formed on the bottom of the receiving groove, and a through hole 2 that is for the ejector rod to penetrate and is aligned with the through hole 1 is formed on the lower mounting plate.

[0033] Insert the insert into the receiving groove of the lower mold in advance, pour the plastic raw material into the mold cavity of the lower mold, and the upper ejector plate drives the upper mounting plate and the upper mold to sink under the action of the hydraulic press until the lower mold is completely molded with the lower mold. After the molding is finalized, the second ejector plate and the first ejector plate are lifted by the unloading cylinder, driving the ejector rod to lift the insert, and the insert drives the product out of the mold cavity to complete the entire processing process.

[0034] The center of the cavity of the lower mold has a raised cylindrical block, and the upper end of the cylindrical block is buckled with a circular ring insert. The lower mold and the lower mounting plate are also provided with auxiliary ejector rods, and the lower end of the auxiliary ejector rods abuts against the first ejector plate.

[0035] The force application point of the ejector pin is on the insert at the edge, while the force application point of the auxiliary ejector pin is in the middle area of ​​the product. The auxiliary ejector pin can easily remove the product from the mold cavity.

[0036] The first top plate and the second top plate are penetrated by guide pillars, the lower ends of the guide pillars are against the lower bottom plate, and the upper ends of the guide pillars are against the lower mounting plate. The first top plate and the second top plate are lifted up and down along the guide pillars to improve the stability of the ejector rods, so that each ejector rod ejects the product at the same time.

[0037] like Figure 3-4 As shown, there are 12 inserts, which are arranged in groups of four and distributed circumferentially.

[0038] The insert is inserted horizontally from the outer edge. During molding, the embedded block is completely embedded in the product. This can not only increase the strength of the product, but also facilitate the processing and molding of the product. After taking out the product, the bolts of the connecting block are unscrewed by a screwdriver. The bolts and connecting blocks can be recycled many times. After installing the embedded block, it can be put back into the mold for further processing.

[0039] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A die with a side mold inlay, comprising an upper top plate, an upper mounting plate, an upper mold, a lower mold, a lower mounting plate, a first top plate, a second top plate and a lower bottom plate, wherein the upper mounting plate is fixed to the upper top plate, the upper mold is fixed to the upper mounting plate, the lower mold is fixed to the lower mounting plate, the lower mounting plate is fixed to the lower bottom plate through vertical plates on both sides, the first top plate and the second top plate are fixedly connected and located between the two vertical plates, characterized in that: A cavity is formed on the lower mold, and a plurality of receiving grooves are formed on the edge of the cavity. Inserts are embedded in the receiving grooves, and the inserts include a vertical connecting block and a transverse embedded block. The embedded block has a transverse threaded hole, and the connecting block has a connecting hole. The embedded block and the connecting block are fixed by bolts. An ejector rod is fixed on the first top plate, and a through hole 1 that passes through the lower mold is formed on the bottom of the receiving groove, and a through hole 2 that is for the ejector rod to penetrate and is aligned with the through hole 1 is formed on the lower mounting plate.

2. A die with a side die insert according to claim 1, characterized in that: The center of the mold cavity of the lower mold is provided with a protruding cylindrical block, and the upper end of the cylindrical block is buckled and covered with a circular ring insert.

3. A die with a side die insert according to claim 1, characterized in that: Auxiliary ejector rods are also provided through the lower mold and the lower mounting plate, and the lower end of the auxiliary ejector rods abuts against the first ejector plate.

4. A die with a side die insert according to claim 1, characterized in that: There are 12 inserts, which are arranged in groups of four and distributed circumferentially.

5. A die with a side die insert according to claim 1, characterized in that: The first top plate and the second top plate are penetrated by guide pillars, the lower ends of the guide pillars abut against the lower bottom plate, and the upper ends of the guide pillars abut against the lower mounting plate.

Images