Die-casting mold core demolding tool

By designing a die-casting mold core demolding fixture, and using a winch and electromagnet to control the position and force of the hammering components, the problem of inconvenient separation between the mold core and the mold frame in traditional die-casting molds was solved, achieving precise mold separation and an efficient demolding process.

CN223916625UActive Publication Date: 2026-02-17TIANJIN YUJIANG DIE-CASTING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520577081.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-02-17
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

In traditional die-casting molds, it is difficult to accurately control the hammering position and force when separating the mold core from the mold frame, which can easily damage the mold and is time-consuming and labor-intensive.

Method used

A die-casting mold core demolding fixture was designed, which uses a winch, electromagnet and magnetic metal plate in conjunction with a hammering assembly. The winch raises the hammering assembly to a suitable height, gravity controls the hammering force, and a planar displacement platform accurately controls the hammering position.

Benefits of technology

It achieves precise separation of the mold core and mold frame, reduces damage to the mold, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223916625U_ABST
    Figure CN223916625U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of die-casting mold core demolding, and discloses a die-casting mold core demolding tool which comprises a working table, a plane displacement platform is arranged above the working table, the plane displacement platform is connected with the working table through a supporting rod, the plane displacement platform is connected with a moving table, the moving table is connected with a vertical frame, and the vertical frame is connected with a die-casting mold core. A winch is installed on the vertical frame, a traction rope of the winch is connected with an electromagnet, the electromagnet is movably connected with a magnetic metal plate, the magnetic metal plate is connected with a hammering assembly, the hammering assembly comprises a falling frame, a hammer head is arranged at the bottom of the falling frame, a balancing weight is arranged on the falling frame, and the balancing weight is connected with the electromagnet. The top of the falling frame is connected with a top plate, the hammering assembly is lifted to a proper height through the winch, the hammering assembly hammers the edge position of the mold core under the action of gravity, the hammering force can be effectively controlled, and the mold core and the mold frame can be separated conveniently.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the die casting mould core demoulding technical field, and specifically is a die casting mould core demoulding frock. BACKGROUND

[0002] Die casting die is the abbreviation of pressure casting die, is the main process equipment of producing die casting, is the die that liquid or semi-liquid metal fills the mould cavity with extremely high speed and solidifies under the action of pressure and obtains die casting, and die casting material, die casting machine and die are the three elements of die casting production.

[0003] In the die casting die, the mould core is embedded in the reserved hole or groove of the mould frame, and positioning is realized through the close contact of the matching surface, when the mould frame and the mould core need to be separated, the traditional manual hammering of the mould core edge is needed, and the mould core is slowly hammered out, and this way is operated manually, which is not convenient for accurately controlling the position and force of hammering, and is easy to cause damage to the die casting die, and is time-consuming and laborious.

[0004] Therefore, the die casting mould core demoulding frock is provided for the above problems. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the problems in the above background art, the utility model provides a die casting mould core demoulding frock, which has the advantages of accurately controlling the hammering position and hammering force when the mould core is separated.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a die casting mould core demoulding frock, comprising a workbench, a planar displacement platform is arranged above the workbench, the planar displacement platform and the workbench are connected through a support rod, the planar displacement platform is connected with a moving table, the moving table is connected with a stand, a winch is installed on the stand, a magnet is connected with the traction rope of the winch, the magnet is movably connected with a magnetic metal plate, and the magnetic metal plate is connected with a hammering assembly.

[0007] The hammering assembly comprises a falling frame, a hammer head is arranged at the bottom of the falling frame, a counterweight is arranged on the falling frame, a top plate is connected to the top of the falling frame, and the magnetic metal plate is arranged on the top of the top plate.

[0008] Preferably, the planar displacement platform comprises a top frame, a longitudinal driving mechanism is installed on the top frame, the longitudinal driving mechanism is connected with a transverse driving mechanism, and the transverse driving mechanism is connected with the moving table.

[0009] Preferably, guide sliding grooves are formed in the inner walls of the two sides of the falling frame, first guide blocks and second guide blocks are arranged in the guide sliding grooves respectively, the first guide blocks are arranged on the two sides of the magnet, and the second guide blocks are arranged on the two sides of the falling frame.

[0010] Preferably, the lower frame is provided with a positioning guide rod at a position corresponding to the counterweight, the counterweight is provided with a positioning guide hole at a position corresponding to the positioning guide rod, the positioning guide rod extends into the positioning guide hole, and the counterweight is provided with a positioning fastening sleeve above the counterweight.

[0011] Preferably, the top plate is provided with a fixing bolt, and the shank of the fixing bolt extends through the top plate and is threadedly connected with the lower frame.

[0012] Preferably, the workbench is provided with support woods arranged correspondingly in front and back.

[0013] Preferably, the workbench is provided with a positioning assembly, the positioning assembly comprises a driving motor, an output end of the driving motor is connected with a lead screw, the lead screw is provided with symmetrically arranged threads in opposite directions, the lead screw is threadedly connected with two lead screw nuts in opposite moving directions, and the lead screw nuts are fixedly connected with positioning vertical rods at top portions of the lead screw nuts.

[0014] Preferably, the workbench is provided with a guide through slot at a position corresponding to the positioning vertical rod, and the positioning vertical rod passes through the guide through slot.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] 1. The utility model discloses a winch, an electromagnet, a magnetic metal plate, a hammering assembly and other structures are arranged, the hammering assembly is lifted to a proper height by the winch, the edge position of the mold core is hammered under the action of gravity, the hammering strength can be effectively controlled, and the mold core and the mold frame can be separated conveniently.

[0017] 2. The utility model discloses a plane displacement platform, the hammering position can be accurately controlled, the hammering separation effect is guaranteed, the counterweight and related structures are arranged, the range of hammering strength is further expanded by adding or reducing the counterweight, and the mold core and the mold frame can be separated by hammering better. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a structure schematic view of the position of the plane displacement platform of the utility model;

[0020] Figure 3 It is a structure schematic view of the position of the hammering assembly of the utility model;

[0021] Figure 4 It is a separation structure schematic view of the hammering assembly of the utility model;

[0022] Figure 5The utility model discloses a positioning assembly structure schematic view.

[0023] In the drawing: 1, workbench;

[0024] 2, plane displacement platform;201, top frame;202, longitudinal drive mechanism;203, transverse drive mechanism;

[0025] 3, support pole;4, moving platform;5, stand;

[0026] 6, winch;601, traction rope;

[0027] 7, electromagnet;8, magnetic metal plate;

[0028] 9, hammering assembly;901, falling frame;902, hammer head;903, counterweight;904, top plate;

[0029] 10, guide chute;11, first guide block;12, second guide block;13, positioning guide rod;14, positioning guide hole;15, positioning fastening sleeve;16, fixed bolt;17, support wood;

[0030] 18, positioning assembly;1801, drive motor;1802, screw rod;1803, screw nut;1804, positioning vertical rod;1805, guide through slot. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] As Figures 1 to 5 The utility model provides a die casting mould core stripping frock, including workbench 1, the top of workbench 1 is provided with plane displacement platform 2, plane displacement platform 2 can move the structure of hammering to the top of the position that the die needs to knock, plane displacement platform 2 is connected through support pole 3 between workbench 1, plane displacement platform 2 is connected with moving platform 4, moving platform 4 is connected with stand 5, and stand 5 is installed with winch 6, and winch 6 is lifted to certain height through traction rope 601 of hammering assembly 9, that is, can use gravity to knock, and traction rope 601 of winch 6 is connected with electromagnet 7, and electromagnet 7 can be movably connected with magnetic metal plate 8, that is, after hammering assembly 9 is lifted to certain height, makes hammering assembly 9 free fall motion, and electromagnet 7 is movably connected with magnetic metal plate 8, and magnetic metal plate 8 is connected with hammering assembly 9;

[0033] The hammering assembly 9 comprises a falling frame 901, the bottom of the falling frame 901 is provided with a hammer head 902 which can be made of rubber and is not easy to damage the mold, the falling frame 901 is provided with a counterweight 903, the increase or decrease of the counterweight 903 can control the weight of the hammering assembly 9 to expand the range of knocking strength, the top of the falling frame 901 is connected with a top plate 904, and the magnetic metal plate 8 is arranged on the top of the top plate 904.

[0034] Specifically, the planar displacement platform 2 comprises a top frame 201, the top frame 201 is provided with a longitudinal driving mechanism 202, the longitudinal driving mechanism 202 controls the structure for knocking to move in the longitudinal direction, the longitudinal driving mechanism 202 is connected with a transverse driving mechanism 203, the transverse driving mechanism 203 controls the structure for knocking to move in the transverse direction, the transverse driving mechanism 203 is connected with the moving table 4, and the longitudinal driving mechanism 202 and the transverse driving mechanism 203 are both screw displacement structures and are existing public technologies which will not be repeated here.

[0035] Further, the two side inner walls of the falling frame 901 are both provided with a guide sliding groove 10, the guide sliding groove 10 is respectively provided with a first guide block 11 and a second guide block 12, the first guide block 11 is arranged on the two sides of the electromagnet 7, the second guide block 12 is arranged on the two sides of the falling frame 901, the guide sliding groove 10 cooperates with the first guide block 11 to enable the electromagnet 7 to move in the direction of the guide sliding groove 10, and the guide sliding groove 10 cooperates with the second guide block 12 to enable the falling frame 901 to move in the direction of the guide sliding groove 10.

[0036] Still further, the falling frame 901 is provided with a positioning guide rod 13 at a position corresponding to the counterweight 903, the counterweight 903 is provided with a positioning guide hole 14 at a position corresponding to the positioning guide rod 13, the positioning guide rod 13 extends into the positioning guide hole 14, and the positioning guide rod 13 is provided with a positioning fastening sleeve 15 above the counterweight 903, the positioning fastening sleeve 15 is threadedly connected with the positioning guide rod 13, and the positioning guide rod 13, the positioning guide hole 14 and the positioning fastening sleeve 15 are used for fixing the position of the counterweight 903 and facilitating the increase or decrease of the counterweight 903.

[0037] It is worth noting that the top plate 904 is provided with a fixing bolt 16, the shank of the fixing bolt 16 penetrates through the top plate 904 and is threadedly connected with the falling frame 901, so that the top plate 904 can be conveniently disassembled, and the increase or decrease of the counterweight 903 is facilitated.

[0038] It is worth noting that the workbench 1 is provided with support woods 17 arranged correspondingly in front and back, which are used for supporting the mold.

[0039] It is worth introducing that the workbench 1 is provided with a positioning assembly 18, the positioning assembly 18 comprises a driving motor 1801, the output end of the driving motor 1801 is connected with a lead screw 1802, the lead screw 1802 is provided with symmetrically arranged threads with opposite directions, the lead screw 1802 is threadedly connected with two lead screw nuts 1803 with opposite moving directions, the top of the lead screw nut 1803 is fixedly connected with a positioning vertical rod 1804, and the two positioning vertical rods 1804 are driven to move close to each other to clamp and fix the mold.

[0040] It is worth emphasizing that the workbench 1 is provided with a guide through slot 1805 corresponding to the positioning vertical rod 1804, the positioning vertical rod 1804 penetrates through the guide through slot 1805, and the guide through slot 1805 can limit the displacement track of the positioning vertical rod 1804.

[0041] Among them, the winch 6, the electromagnet 7 and the driving motor 1801 are prior art, and will not be repeated; at the same time, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of the patent, and will not be repeated.

[0042] Working principle and process: the mold is horizontally placed on the workbench 1 and supported by the supporting wood 17, the driving motor 1801 of the positioning assembly 18 is started, and then the lead screw 1802 rotates, under the action of the thread and the guide through slot 1805, the lead screw nut 1803 drives the positioning vertical rod 1804 to move close to each other, so as to clamp and fix the mold, avoid displacement of the mold when knocking, make the longitudinal driving mechanism 202 and the transverse driving mechanism 203 of the planar displacement platform 2 run, move the moving table 4 and the knocking structure connected thereto to the upper side of the position of the mold to be knocked, start the winch 6, and then the traction rope 601 is wound, so as to lift the hammering assembly 9 to a certain height, turn off the electromagnet 7, so that the magnetic metal plate 8 is separated from the electromagnet 7, and then the magnetic metal plate 8 and the hammering assembly 9 fall under the action of gravity, so that the hammer head 902 falls on the position of the mold to be knocked, the hammering assembly 9 is repeatedly lifted and fallen by the winch 6 and the electromagnet 7, so as to repeatedly knock the mold, and cooperate with the planar displacement platform 2, so as to repeatedly knock the edge of the mold core, so that the mold core is separated from the mold frame.

[0043] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A die core stripping tool for die casting comprising a worktable (1), characterised in that: The upper portion of the workbench (1) is provided with a plane displacement platform (2), the plane displacement platform (2) and the workbench (1) are connected through a support rod (3), the plane displacement platform (2) is connected with a moving table (4), the moving table (4) is connected with a stand (5), the stand (5) is provided with a winch (6), the traction rope (601) of the winch (6) is connected with an electromagnet (7), the electromagnet (7) is movably connected with a magnetic metal plate (8), and the magnetic metal plate (8) is connected with a hammering assembly (9). The hammering assembly (9) comprises a falling frame (901), the bottom of the falling frame (901) is provided with a hammer head (902), the falling frame (901) is provided with a counterweight (903), and the top of the falling frame (901) is connected with a top plate (904), and the magnetic metal plate (8) is arranged at the top of the top plate (904).

2. A die core stripping tool as defined in claim 1, wherein: The plane displacement platform (2) comprises a top frame (201), the top frame (201) is provided with a longitudinal driving mechanism (202), the longitudinal driving mechanism (202) is connected with a transverse driving mechanism (203), and the transverse driving mechanism (203) is connected with the moving table (4).

3. A die core stripping tool as defined in claim 1, wherein: The two side inner walls of the falling frame (901) are both provided with a guide sliding groove (10), the guide sliding groove (10) is respectively provided with a first guide block (11) and a second guide block (12), the first guide block (11) is arranged on the two sides of the electromagnet (7), and the second guide block (12) is arranged on the two sides of the falling frame (901).

4. A die core stripping tool as defined in claim 1, wherein: The falling frame (901) is provided with a positioning guide rod (13) at a position corresponding to the counterweight (903), the counterweight (903) is provided with a positioning guide hole (14) at a position corresponding to the positioning guide rod (13), the positioning guide rod (13) extends into the positioning guide hole (14), and the upper portion of the counterweight (903) is provided with a positioning fastening sleeve (15), and the positioning fastening sleeve (15) is threadedly connected with the positioning guide rod (13).

5. A die core stripping tool as defined in claim 1 wherein: The top plate (904) is provided with a fixing bolt (16), the screw rod of the fixing bolt (16) penetrates through the top plate (904) and is threadedly connected with the falling frame (901).

6. A die core stripping tool as defined in claim 1 wherein: The workbench (1) is provided with support woods (17) arranged correspondingly in front and back.

7. A die core stripping tool as defined in claim 1 wherein: The workbench (1) is provided with a positioning assembly (18), the positioning assembly (18) comprises a driving motor (1801), the output end of the driving motor (1801) is connected with a lead screw (1802), the lead screw (1802) is provided with symmetrically arranged threads with opposite directions, the lead screw (1802) is threadedly connected with two lead screw nuts (1803) with opposite moving directions, and the top of the lead screw nut (1803) is fixedly connected with a positioning vertical rod (1804).

8. A die core stripping tool as defined in claim 7, wherein: The workbench (1) is provided with a guide through slot (1805) at a position corresponding to the positioning vertical rod (1804), and the positioning vertical rod (1804) penetrates through the guide through slot (1805).