Precise mold with mold core convenient to replace

Abstract

The utility model discloses a precision mould convenient to replace mould core, including base, the lower end left part and lower end right part of the base are both fixedly equipped with a group of support leg, the two groups of support legs are distributed in bilateral symmetry, each group is equipped with two, the upper end middle part of the base is equipped with a mould frame, and the mould frame is equipped with a mould core. Limiting frames are arranged on the left side and the right side of the outer surface of the mold frame correspondingly, the left portion and the right portion of the upper end of the base are each fixedly provided with a set of supporting columns, the two sets of supporting columns are distributed in a bilateral symmetry mode, and each set comprises two supporting columns. According to the precise mold convenient to replace the mold core, the mold frame is convenient to disassemble by arranging the first hydraulic cylinder; by arranging the second hydraulic cylinder, the mold core body is convenient to replace, after the mold frame is detached from the mold base, the second hydraulic cylinder drives the second hydraulic rod and the push plate to push upwards, and under pushing of the push plate, the mold core body is convenient to detach from the interior of the mold base, so that the mold core body is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of mold equipment, in particular to a precision mold which is convenient for replacing a mold core. Background Art

[0002] Plastic mold is the abbreviation of a combined mold used for compression molding, extrusion molding, injection molding, blow molding and low-foaming molding. The coordinated changes of the mold convex and concave molds and the auxiliary molding system can process a series of plastic parts of different shapes and sizes.

[0003] The prior art (patent number: CN219028293U) discloses a precision plastic mold that is easy to replace the mold core, including an upper mold base and a lower mold base, wherein the bottom of the upper mold base is provided with an upper mold body, the bottom of the upper mold body is installed with an upper mold core, and the top of the lower mold base is provided with a lower mold body, and the lower mold body is installed with a lower mold core. The beneficial effects of the utility model are as follows: by arranging mounting blocks on both the upper mold core and the lower mold core, arranging mounting grooves on both the upper mold body and the lower mold body, arranging mounting screw holes on the mounting blocks, fixing bolts pass through the through holes on the upper mold body and the lower mold body and are threadedly mounted inside the mounting screw holes, so as to facilitate the installation of the mold core; and both the upper mold base and the lower mold base are provided with an ejection mechanism including an ejection screw and an ejection block, the ejection screw is threadedly mounted on the mold base, and one end of the ejection screw is plugged into the inner ring of the bearing seat fixed to one side of the ejection block, and the ejection block can be pushed against the mold core by rotating the handle to eject it, so as to facilitate its replacement. The device has a simple structure and is easy to use, and can quickly and conveniently install, use, disassemble and replace the mold core, thereby improving the efficiency of mold processing.

[0004] The existing precision molds that are easy to replace the mold core have the following disadvantages. Since the shell disassembly process of the existing mold is relatively complicated, the core replacement process is relatively complicated, which makes the equipment have certain limitations. Therefore, we propose a new type of precision mold that is easy to replace the mold core. Utility Model Content

[0005] The main purpose of the utility model is to provide a precision mold with a mold core that is easy to replace, which can effectively solve the problem that the mold shell is inconvenient to disassemble and make the mold core easy to replace.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A precision mold for facilitating replacement of mold cores comprises a base, wherein a group of supporting legs are fixedly mounted on the left and right parts of the lower end of the base, the two groups of supporting legs are symmetrically distributed on the left and right parts and each group is provided with two, a mold frame is provided in the middle part of the upper end of the base, and limiting frames are provided on the left and right parts of the outer surface of the mold frame, a group of supporting columns are fixedly mounted on the left and right parts of the upper end of the base, the two groups of supporting columns are symmetrically distributed on the left and right parts and each group is provided with two, a cross plate is fixedly mounted on the upper ends of the two groups of supporting columns, a No. 1 hydraulic cylinder is fixedly mounted in the middle part of the upper end of the cross plate, and a No. 2 hydraulic cylinder is fixedly mounted in the middle part of the lower end of the base.

[0008] Preferably, the output end of the No. 1 hydraulic cylinder passes through the cross plate and is movably connected to the No. 1 hydraulic rod, the lower end of the No. 1 hydraulic rod is fixedly connected to a mounting plate, and the lower left and right parts of the mounting plate are fixedly connected to connecting plates.

[0009] Preferably, a mold frame is provided inside the mold frame, a mold core body is clamped inside the mold frame, the output end of the No. 2 hydraulic cylinder passes through the base and the mold frame and is movably connected to a No. 2 hydraulic rod, and a push plate is fixedly connected to the upper end of the No. 2 hydraulic rod.

[0010] Preferably, the mold frame is clamped on the mold frame, and the mold frame is fixed to the upper end of the base.

[0011] Preferably, a group of card slots are opened at the front and rear ends of the mold frame, a cover plate is clamped at the upper end of the mold frame, a group of card blocks are fixedly connected to the inner front and inner rear sides of the two limit frames, and a connecting slot is opened in the middle of the upper ends of the two limit frames.

[0012] Preferably, the two groups of card slots and the two groups of card blocks are distributed front-to-back symmetrically and each group is provided with two, the card blocks are snapped into the card slots, and the connecting plates are inserted and connected in the connecting slots.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, by setting a No. 1 hydraulic cylinder, the mold frame is easy to disassemble. When in use, when the mold frame needs to be disassembled, first connect the connecting plate and the limiting frame together, and drive the No. 1 hydraulic rod and the mounting plate to move upward through the No. 1 hydraulic cylinder, and drive the connecting plate to drive the limiting frame and the card block to be disassembled from the card slot and the outer surface of the mold frame under the drive of the mounting plate. After the limiting frame is separated from the mold frame, the cover plate is separated from the mold frame, so that the two mold frames are easy to be disassembled from the mold frame;

[0015] 2. In the utility model, by setting a No. 2 hydraulic cylinder, the mold core body is easy to replace. When in use, after the mold frame is removed from the mold base, the No. 2 hydraulic cylinder drives the No. 2 hydraulic rod and the push plate to push upward, and under the push of the push plate, the mold core body is easy to remove from the mold base, making the mold core body easy to replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a precision mold that is easy to replace the mold core of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of a No. 1 hydraulic cylinder of a precision mold that is convenient for replacing the mold core of the utility model;

[0018] Figure 3 This is a schematic diagram of the overall structure of a No. 2 hydraulic cylinder of a precision mold that is convenient for replacing the mold core of the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the overall structure of a limiting frame of a precision mold which is convenient for replacing the mold core.

[0020] In the figure: 1. base; 2. supporting legs; 3. mold frame; 4. supporting columns; 5. cross plate; 6. No. 1 hydraulic cylinder; 7. No. 2 hydraulic cylinder; 8. limit frame; 31. mold frame; 32. mold core body; 33. slot; 34. cover plate; 61. No. 1 hydraulic rod; 62. mounting plate; 63. connecting plate; 71. No. 2 hydraulic rod; 72. push plate; 81. block; 82. connecting slot. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and 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 orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1-4 As shown, a precision mold for facilitating replacement of mold cores comprises a base 1, a group of supporting legs 2 are fixedly installed at the left and right parts of the lower end of the base 1, the two groups of supporting legs 2 are symmetrically distributed and each group is provided with two, a mold frame 3 is provided at the middle part of the upper end of the base 1, and a limiting frame 8 is provided at the left and right parts of the outer surface of the mold frame 3, a group of supporting columns 4 are fixedly installed at the left and right parts of the upper end of the base 1, the two groups of supporting columns 4 are symmetrically distributed and each group is provided with two, a cross plate 5 is fixedly installed at the upper ends of the two groups of supporting columns 4, a No. 1 hydraulic cylinder 6 is fixedly installed at the middle part of the upper end of the cross plate 5, and a No. 2 hydraulic cylinder 7 is fixedly installed at the middle part of the lower end of the base 1; the output end of the No. 1 hydraulic cylinder 6 passes through the cross plate 5 and moves It is connected to a No. 1 hydraulic rod 61, and the lower end of the No. 1 hydraulic rod 61 is fixedly connected to a mounting plate 62, and the lower left and right parts of the mounting plate 62 are fixedly connected to connecting plates 63; by setting a No. 1 hydraulic cylinder 6, the mold frame 3 is easy to disassemble. When in use, when the mold frame 3 needs to be disassembled, first connect the connecting plate 63 and the limit frame 8 together, and drive the No. 1 hydraulic cylinder 6 to move the No. 1 hydraulic rod 61 and the mounting plate 62 upward, and under the drive of the mounting plate 62, the connecting plate 63 drives the limit frame 8 and the block 81 to be removed from the slot 33 and the outer surface of the mold frame 3. When the limit frame 8 is separated from the mold frame 3, the cover plate 34 is separated from the mold frame 3, so that the two mold frames 3 are easy to be removed from the mold frame 31.

[0025] A mold frame 31 is arranged inside the mold frame 3, a mold core body 32 is clamped inside the mold frame 31, the output end of the No. 2 hydraulic cylinder 7 passes through the base 1 and the mold frame 3 and is movably connected to the No. 2 hydraulic rod 71, and the upper end of the No. 2 hydraulic rod 71 is fixedly connected to a push plate 72; the mold frame 3 is clamped on the mold frame 31, and the mold frame 31 is fixed to the upper end of the base 1; a group of card slots 33 are opened at the front and rear ends of the mold frame 3, a cover plate 34 is clamped at the upper end of the mold frame 3, a group of card blocks 81 are fixedly connected to the front and rear sides of the two limit frames 8, and the middle part of the upper end of the two limit frames 8 is opened The two groups of card slots 33 and the two groups of card blocks 81 are symmetrically distributed front to back and each group is set to two, the card blocks 81 are connected in the card slots 33, and the connecting plates 63 are inserted and connected in the connecting slots 82; by setting the No. 2 hydraulic cylinder 7, the core body 32 is easy to replace. When in use, after the mold frame 3 is removed from the mold frame 31, the No. 2 hydraulic cylinder 7 drives the No. 2 hydraulic rod 71 and the push plate 72 to push upward, and under the push of the push plate 72, the core body 32 is easy to be removed from the mold frame 31, so that the core body 32 is easy to replace.

[0026] It should be noted that the utility model is a precision mold that is easy to replace the mold core. By setting a No. 1 hydraulic cylinder 6, the mold frame 3 is easy to disassemble. During use, when the mold frame 3 needs to be disassembled, first connect the connecting plate 63 and the limit frame 8 together, and drive the No. 1 hydraulic rod 61 and the mounting plate 62 to move upward by the No. 1 hydraulic cylinder 6, and drive the connecting plate 63 to drive the limit frame 8 and the clamping block 81 to be removed from the clamping groove 33 and the outer surface of the mold frame 3 under the drive of the mounting plate 62. After the limit frame 8 is separated from the mold frame 3, the cover plate 34 is separated from the mold frame 3, so that the two mold frames 3 can be easily removed from the mold frame 31; by setting a No. 2 hydraulic cylinder 7, the mold core body 32 is easy to replace. During use, when the mold frame 3 is removed from the mold frame 31, the No. 2 hydraulic cylinder 7 drives the No. 2 hydraulic rod 71 and the push plate 72 to push upward, and under the push of the push plate 72, the mold core body 32 is easy to be removed from the mold frame 31, so that the mold core body 32 is easy to replace.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A precision mold for facilitating the replacement of a mold core, comprising a base (1), characterized in that: A group of support legs (2) are fixedly mounted on the left and right lower ends of the base (1), the two groups of support legs (2) are symmetrically distributed and each group is provided with two, a mold frame (3) is provided in the middle of the upper end of the base (1), and a limit frame (8) is provided on the left and right outer surfaces of the mold frame (3), a group of support columns (4) are fixedly mounted on the left and right upper ends of the base (1), the two groups of support columns (4) are symmetrically distributed and each group is provided with two, a cross plate (5) is fixedly mounted on the upper ends of the two groups of support columns (4), a No. 1 hydraulic cylinder (6) is fixedly mounted in the middle of the upper end of the cross plate (5), and a No. 2 hydraulic cylinder (7) is fixedly mounted in the middle of the lower end of the base (1).

2. A precision mold for easy replacement of mold core according to claim 1, characterized in that: The output end of the No. 1 hydraulic cylinder (6) passes through the transverse plate (5) and is movably connected to the No. 1 hydraulic rod (61); the lower end of the No. 1 hydraulic rod (61) is fixedly connected to a mounting plate (62); the lower left and lower right parts of the mounting plate (62) are both fixedly connected to connecting plates (63).

3. A precision mold for easy replacement of mold core according to claim 2, characterized in that: A mold frame (31) is provided inside the mold frame (3), a mold core body (32) is clamped inside the mold frame (31), an output end of the No. 2 hydraulic cylinder (7) passes through the base (1) and the mold frame (3) and is movably connected to a No. 2 hydraulic rod (71), and a push plate (72) is fixedly connected to the upper end of the No. 2 hydraulic rod (71).

4. The precision mold for easy replacement of mold core according to claim 3, characterized in that: The mold frame (3) is clamped on the mold frame (31), and the mold frame (31) is fixed on the upper end of the base (1).

5. The precision mold for easy replacement of mold core according to claim 4, characterized in that: The front and rear ends of the mold frame (3) are each provided with a group of card slots (33); the upper end of the mold frame (3) is card-connected with a cover plate (34); the inner front side and the inner rear side of the two limit frames (8) are each fixedly connected with a group of card blocks (81); and the middle parts of the upper ends of the two limit frames (8) are each provided with a connection slot (82).

6. The precision mold for easy replacement of mold core according to claim 5, characterized in that: The two groups of card slots (33) and the two groups of card blocks (81) are both symmetrically distributed front to back and each group is provided with two card blocks (81). The card blocks (81) are snap-connected in the card slots (33), and the connecting plates (63) are inserted and connected in the connecting slots (82).

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