Mould frame with buffer assembly

Abstract

Cushion blocks are arranged on the two sides of the upper surface of a lower die bottom plate, the upper surfaces of the cushion blocks are connected with the lower surface of a lower die base, a lower ejector plate is connected with an upper ejector plate, and the upper ejector plate and the lower ejector plate are movably arranged between the lower die bottom plate and the lower die base. A plurality of buffering assemblies are arranged on the lower surface of the lower ejector plate; a plurality of screw holes are formed in the lower surface of the lower mold bottom plate; the buffer assembly comprises a buffer gasket and a bolt, the bolt penetrates through the buffer gasket, the bolt is connected with a screw hole in the lower surface of the lower die bottom plate in a matched mode, and the buffer gasket is tightly attached to the lower surface of the lower die bottom plate. The service life is prolonged while noise is reduced, and the buffer gasket is connected with the lower ejector plate through the bolt, so that the buffer gasket is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of mold frames, in particular to a mold frame with a buffer component. Background Art

[0002] The mold frame is the support of the mold. For example, the part that combines and fixes the various parts of the mold according to a certain rule and position on the die-casting machine and enables the mold to be installed on the die-casting machine for work is called the mold frame. The mold frame is a semi-finished product of the mold, composed of various different steel plates and parts. It can be said to be the skeleton of the entire set of molds.

[0003] At present, the mold frame with a pusher has a lower ejector plate and an upper ejector plate connected to the ejector. When the pusher returns, the lower ejector plate is easy to collide with the lower mold bottom plate, which on the one hand leads to increased noise and on the other hand leads to a reduced service life of the mold frame. Therefore, an improved technology is urgently needed to solve this problem existing in the prior art. Utility Model Content

[0004] The utility model aims to provide a mold frame with a buffer assembly, wherein a plurality of buffer assemblies are arranged on the lower surface of a lower ejector plate, the buffer assembly is composed of a buffer washer and a bolt, the buffer washer is tightly attached to the lower surface of the lower ejector plate through the bolt, when the ejection is completed and the lower ejector plate is recovered, the buffer washer can prevent the lower ejector plate from directly colliding with the bottom plate of the lower mold, thereby reducing noise and improving service life, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mold frame with a buffer assembly, comprising a lower mold body, an upper mold body and a buffer pad assembly;

[0006] The lower die body comprises a lower die bottom plate, a cushion block, a lower die seat, a lower ejector plate and an upper ejector plate, cushion blocks are arranged on both sides of the upper surface of the lower die bottom plate, the upper surface of the cushion block is connected to the lower surface of the lower die seat, the lower ejector plate and the upper ejector plate are connected to each other, the upper ejector plate and the lower ejector plate are movably arranged between the lower die bottom plate and the lower die seat, a plurality of buffer components are arranged on the lower surface of the lower ejector plate, and guide rods are arranged at the four corners of the upper surface of the lower die seat;

[0007] The upper die body comprises an upper die top plate and an upper die seat, the lower surface of the upper die top plate is connected to the upper die seat, the upper die seat cooperates with the lower die seat, and the four corners of the lower die seat are provided with guide sleeves, and the guide sleeves correspond to the guide rods one by one and are slidably matched;

[0008] The lower surface of the lower ejector plate is provided with a plurality of screw holes;

[0009] The buffer assembly includes a buffer washer and a bolt. The bolt passes through the buffer washer. The bolt is matched and connected with the screw hole on the lower surface of the lower mold bottom plate. The buffer washer is tightly attached to the lower surface of the lower mold bottom plate.

[0010] Preferably, the utility model provides a mold frame with a buffer assembly, wherein a plurality of ejectors are connected to the upper surface of the lower ejector plate, and the ejectors are inserted into the lower mold base.

[0011] Preferably, the utility model provides a mold frame with a buffer assembly, wherein the buffer washer is provided with a center hole, the buffer washer is provided with a conical groove at the lower part of the center hole, the bolt passes through the center hole, and the head of the bolt is arranged in the conical groove.

[0012] Preferably, the utility model provides a mold frame with a buffer assembly, wherein a lower mold core mounting groove is provided on the upper surface of the lower mold base.

[0013] Preferably, the utility model provides a mold frame with a buffer assembly, wherein an upper mold core mounting groove is provided on the lower surface of the upper mold base.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] A plurality of buffer components are arranged on the lower surface of the lower ejector plate. The buffer components are composed of buffer washers and bolts. The buffer washers are tightly attached to the lower surface of the lower ejector plate through bolts. When the ejection is completed and the lower ejector plate is recovered, the buffer washers can prevent the lower ejector plate from directly colliding with the lower mold bottom plate, thereby reducing noise and improving service life. The buffer washers are connected to the lower ejector plate through bolts, so it is easy to replace the buffer washers. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 For attachment Figure 1 Schematic diagram of the angle transformation structure (the lower mold bottom plate is not shown);

[0018] Figure 3 It is a schematic diagram of the main structure of the lower mold;

[0019] Figure 4 It is a schematic diagram of the main structure of the upper mold;

[0020] Figure 5 It is a schematic diagram of the structure of the buffer component;

[0021] Figure 6 For attachment Figure 5 Schematic diagram of the angle transformation structure;

[0022] Figure 7 Schematic diagram of the buffer gasket structure.

[0023] In the figure: lower die bottom plate 1, cushion block 2, lower die base 3, lower ejector plate 4, upper ejector plate 5, guide rod 6, upper die top plate 7, upper die base 8, guide sleeve 9, buffer washer 10, bolt 11, ejector 12, center hole 13, tapered groove 14, lower die core mounting groove 15, upper die core mounting groove 16. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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;

[0025] It should be noted that, in the description of the present invention, the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left" and "right" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0026] See also Figure 1-7 , the utility model provides a technical solution: a mold frame with a buffer assembly, including a lower mold body, an upper mold body and a buffer pad assembly;

[0027] The lower die body comprises a lower die bottom plate 1, a cushion block 2, a lower die seat 3, a lower ejector plate 4 and an upper ejector plate 5. Cushion blocks 2 are arranged on both sides of the upper surface of the lower die bottom plate 1. The upper surface of the cushion block 2 is connected to the lower surface of the lower die seat 3. The lower ejector plate 4 is connected to the upper ejector plate 5. The upper ejector plate 5 and the lower ejector plate 4 are movably arranged between the lower die bottom plate 1 and the lower die seat 3. A plurality of buffer components are arranged on the lower surface of the lower ejector plate 4. Guide rods 6 are arranged at the four corners of the upper surface of the lower die seat 3. A plurality of ejectors 12 are connected to the upper surface of the lower ejector plate 4. The ejector 12 is penetrated through the lower die seat 3. The workpiece is demoulded from the die core by the ejector 12. A lower die core mounting groove 15 is provided on the upper surface of the lower die seat 3 to realize the installation of the upper die core.

[0028] The upper die body includes an upper die top plate 7 and an upper die seat 8. The lower surface of the upper die top plate 7 is connected to the upper die seat 8. The upper die seat 8 cooperates with the lower die seat 3. The four corners of the lower die seat 3 are provided with guide sleeves 9. The guide sleeves 9 correspond to the guide rods 6 one by one and slide together. The lower surface of the upper die seat 8 is provided with an upper die core installation groove 16 to realize the installation of the lower die core.

[0029] A plurality of screw holes are provided on the lower surface of the lower ejector plate 4;

[0030] like Figure 5-7 As shown, the buffer assembly includes a buffer washer 10 and a bolt 11. The bolt 11 passes through the buffer washer 10. The bolt 11 is connected to the screw hole on the lower surface of the lower mold base plate 1. The buffer washer 10 is tightly attached to the lower surface of the lower mold base plate 1. The buffer washer 10 is provided with a center hole 13. The buffer washer 10 is provided with a conical groove 14 at the lower part of the center hole 13. The bolt 11 passes through the center hole 13. The head of the bolt 11 is arranged in the conical groove 14. The buffer washer 10 of this structure can be limited by the bolt 11, so as to facilitate the replacement of the buffer washer 10.

[0031] Installation method and principle of use: Assemble the upper mold body and the lower mold body, before installing the lower mold base plate 1, connect the lower ejector plate 4 and the upper ejector plate 5, and pass the ejector 12 through the lower mold base 3, then thread each buffer assembly with the screw hole on the lower surface of the lower ejector plate 4 through the bolt 11. At this time, the buffer gasket 10 is tightly attached to the lower surface of the lower ejector plate 4, and finally the lower mold base 1 is connected to the cushion block 2 to complete the assembly. When in use, install the lower mold core in the lower mold core installation groove 15 of the lower mold base 3, and install the upper mold core in the upper mold core installation groove 16 of the upper mold base 8, with the whole body tilted 90°, the lower mold base 3 as the movable mold, the upper mold base 8 as the fixed mold, and the lower mold base 3 cooperates with the guide sleeve 9 of the upper mold base 8 through the guide rod 6. When discharging, the lower ejector plate 4 and the upper ejector plate 5 approach the lower die base 3 through the ejector mechanism, push the workpiece out through the ejector 12, and then shrink the lower ejector plate 4 and the upper ejector plate 5 through the ejector mechanism. During the shrinking process, the buffer gasket 10 of the buffer assembly connected to the lower ejector plate 4 contacts the lower die bottom plate 1 to achieve a buffering effect. The utility model has a reasonable structure. A plurality of buffer assemblies are arranged on the lower surface of the lower ejector plate 4. The buffer assembly is composed of a buffer gasket 10 and a bolt 11. The buffer gasket 10 is tightly attached to the lower surface of the lower ejector plate 4 through the bolt 11. When the ejection is completed and the lower ejector plate 4 is recovered, the buffer gasket 10 can prevent the lower ejector plate 4 from directly colliding with the lower die bottom plate 1, thereby reducing noise and improving service life. In addition, the buffer gasket 10 is connected to the lower ejector plate 4 through the bolt 11, so it is convenient to replace the buffer gasket 10.

[0032] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

[0033] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A mold frame with a buffer component, characterized in that: It includes a lower mold body, an upper mold body and a buffer pad assembly; The lower die body comprises a lower die bottom plate (1), a cushion block (2), a lower die seat (3), a lower ejector plate (4) and an upper ejector plate (5); cushion blocks (2) are arranged on both sides of the upper surface of the lower die bottom plate (1); the upper surface of the cushion block (2) is connected to the lower surface of the lower die seat (3); the lower ejector plate (4) and the upper ejector plate (5) are connected to each other; the upper ejector plate (5) and the lower ejector plate (4) are movably arranged between the lower die bottom plate (1) and the lower die seat (3); a plurality of buffer components are arranged on the lower surface of the lower ejector plate (4); and guide rods (6) are arranged at the four corners of the upper surface of the lower die seat (3); The upper die body comprises an upper die top plate (7) and an upper die seat (8); the lower surface of the upper die top plate (7) is connected to the upper die seat (8); the upper die seat (8) cooperates with the lower die seat (3); guide sleeves (9) are arranged at four corners of the lower die seat (3); the guide sleeves (9) correspond to the guide rods (6) one by one and are slidably matched; The lower surface of the lower ejector plate (4) is provided with a plurality of screw holes; The buffer assembly comprises a buffer washer (10) and a bolt (11), wherein the bolt (11) passes through the buffer washer (10), the bolt (11) is matched and connected with a screw hole on the lower surface of the lower mold base plate (1), and the buffer washer (10) is tightly attached to the lower surface of the lower mold base plate (1).

2. A mold frame with a buffer assembly according to claim 1, characterized in that: A plurality of ejector pins (12) are connected to the upper surface of the lower ejector pin plate (4), and the ejector pins (12) are inserted into the lower die seat (3).

3. A mold frame with a buffer assembly according to claim 1, characterized in that: The buffer washer (10) is provided with a center hole (13), and a conical groove (14) is provided at the lower part of the buffer washer (10) located at the center hole (13); the bolt (11) passes through the center hole (13), and the head of the bolt (11) is arranged in the conical groove (14).

4. A mold frame with a buffer assembly according to claim 1, characterized in that: The upper surface of the lower die base (3) is provided with a lower die core mounting groove (15).

5. The mold frame with a buffer assembly according to claim 1, characterized in that: An upper die core mounting groove (16) is provided on the lower surface of the upper die seat (8).

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