Die-casting die structure

Abstract

The utility model relates to the technical field of automobile balance block die-casting, and discloses a die-casting die structure which comprises a lower die base and an upper die base, a lower die plate is fixed to the bottom of the lower die base, an upper die plate is fixed to the top of the upper die base, a lower die core is fixed in the lower die plate, and an upper die core is arranged in the upper die plate. A lower hooking device for positioning and fixing the upper mold core in the lower mold plate is arranged on the lower mold base; the stirring piece on the lower hooking device swings to drive the lower hooking plate to move front and back, then the lower hooking claw at the end of the lower hooking plate is driven to be hooked in the hooking groove of the lower mold core or separated from the hooking groove of the lower mold core, and the lower hooking claw is clamped into the positioning notch in the lower mold core in a limited mode or away from the positioning notch in the lower mold core. The introduction of the lower hooking device provides an additional fixing and positioning mechanism, the position of the lower mold core is accurately controlled through the forward and backward movement of the shifting sheet and the lower hooking plate, and the mold core is locked by hooking the hooking groove through the lower hooking claw, so that the component looseness caused by vibration or pressure is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile balance block die casting, specifically relates to a die casting die structure. BACKGROUND

[0002] With the development of automobile industry, die casting technology plays an important role in the production of automobile parts. Automobile balance block is a key component in automobile tire assembly, and its die casting process is crucial to ensure the stability and safety of automobile driving. The traditional die casting die structure usually includes upper and lower die seats, upper and lower die plates and die core components, and the stability of these components directly affects the quality of die casting products.

[0003] In the prior art, the die core of the die casting die is usually fixed by a simple positioning pin or clamp, and the connection between the die core and the die may have the following defects:

[0004] During the die casting process, due to the action of high pressure and high temperature, the die core may be displaced due to the large pressure and impact force, resulting in products that do not meet the specification requirements. The fixing method of the positioning pin or clamp in the traditional die structure may not provide sufficient fixing force, so that the die core is easily displaced during the die casting process, affecting the product precision. After being used for many times, due to the influence of vibration and thermal expansion, the positioning pin or clamp may be loose, causing the position of the die core to change, thereby affecting the product quality.

[0005] In view of these defects of the prior art, a die casting die structure is provided to solve the problem. INVENTION CONTENTS

[0006] The present application aims to solve the technical problem that the automobile balance block die casting die in the prior art does not have a locking mechanism, is not firmly fixed and is easy to loosen.

[0007] To achieve the following purposes, the utility model provides the above technical scheme:

[0008] A die casting die structure comprises:

[0009] The bottom of the lower die seat is fixed with a lower die plate through a bolt A, the top of the upper die seat is fixed with an upper die plate through a bolt B, a lower die core is fixed in a positioning groove A opened in the lower die plate, an upper die core is arranged in a positioning groove B opened in the upper die plate, a lower die casting cavity cooperating with the die casting of the automobile balance block is opened in the lower die core, and an upper die casting cavity cooperating with the die casting of the automobile balance block is opened in the upper die core;

[0010] A lower hook is arranged on the lower die seat to position and fix the upper die core in the lower die plate;

[0011] The lower hook plate is moved forward and backward by swinging the toggle piece on the lower hook device, which in turn drives the lower hook claw at the end of the lower hook plate to hook into or disengage from the hook groove of the lower mold core, and the lower hook claw is limited to be inserted into or away from the positioning slot on the lower mold core.

[0012] As a preferred, two bolts C are symmetrically arranged on the upper die seat, the bolt C penetrates the upper die seat and the upper die plate, and is threadedly connected with the upper mold core, so as to fix the upper die seat, the upper die plate and the upper mold core together. A firm connection is formed, and the overall stability between the upper die seat, the upper die plate and the upper mold core is enhanced.

[0013] As a preferred, four guide columns are arranged at four corners of the upper die plate, and four guide holes matched with the four guide columns are arranged at four corners of the lower die plate. The design of the guide columns and the guide holes provides an accurate guiding and positioning mechanism.

[0014] As a preferred, the lower hook device further comprises a mounting seat fixed on the lower die seat, an upper limiting plate fixed above the mounting seat and limiting above the lower hook plate, and a side limiting plate limiting the side of the lower hook plate, the mounting seat is provided with a longitudinal guide slot for guiding and sliding movement of the lower hook plate forward and backward, and a transverse guide slot for mounting the side limiting plate and the toggle piece, and the longitudinal guide slot is communicated with the transverse guide slot, the side limiting plate is mounted and fixed in the longitudinal guide slot, and the toggle piece rotates in the longitudinal guide slot.

[0015] As a preferred, a reset spring is arranged in the mounting groove at the bottom of the mounting seat, and is connected with the rotating shaft on the toggle piece.

[0016] As a preferred, the arc-shaped groove on the lower hook claw is matched with the arc-shaped block on the lower mold core for positioning.

[0017] The mounting seat is fixed on the lower die seat to provide support for the lower hook device. The upper limiting plate and the side limiting plate are fixed above and on the side of the mounting seat respectively, and they are used to limit and guide the movement of the lower hook plate. The mounting seat is provided with a longitudinal guide slot for sliding movement of the lower hook plate forward and backward. The transverse guide slot is used for mounting the side limiting plate and the toggle piece. The design of the two guide slots enables the lower hook device to slide in one direction while ensuring lateral stability and positioning.

[0018] The reset spring is connected with the rotating shaft on the toggle piece, and is used for automatically resetting to the initial position after operation of the lower hook device. The arc-shaped groove on the lower hook claw is matched with the arc-shaped block on the lower mold core for positioning, and this design provides an additional positioning mechanism to ensure the correct position of the lower mold core in the mold.

[0019] As a preferred, the lower mold core is provided with a flow channel parting surface matched with the locking inclined surface of the upper mold core for locking.

[0020] Compared with the prior art, the technical effects and advantages of the utility model are:

[0021] The introduction of the lower hooker in the die casting mold structure provides an additional fixing and positioning mechanism, which precisely controls the position of the lower mold core through the forward and backward movement of the toggle plate and the lower hook plate, and locks the mold core by hooking the hook groove with the lower hook, thereby avoiding the loosening of the parts caused by vibration or pressure.

[0022] The upper and lower mold plates are fixed with the mold base by bolts A and B, and the upper mold base, upper mold plate and upper mold core are connected together by bolt C, forming a solid connection and enhancing the overall stability to prevent part displacement. The design of the guide column and guide hole provides a precise guiding and positioning mechanism to ensure the accurate alignment of the upper and lower mold plates during die casting assembly, avoiding insufficient fixation caused by inaccurate positioning.

[0023] Through the above design, the die casting mold structure not only improves the fixing stability of the mold core, but also reduces the loosening of the parts caused by vibration, pressure and thermal expansion, thereby improving the service life of the mold and the quality of the die casting products. At the same time, the high degree of automation design reduces the time and error probability of manual operation, and improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural diagram of the utility model;

[0025] Figure 2 is a first exploded view of the utility model;

[0026] Figure 3 is a second exploded view of the utility model;

[0027] Figure 4 is a first perspective view of the lower hooker of the utility model;

[0028] Figure 5 is a second perspective view of the lower hooker of the utility model;

[0029] Figure 6 is a state diagram of the lower hooker of the utility model in cooperation with the lower mold core and the upper mold core;

[0030] Figure 7 is a structural diagram of the lower mold core of the utility model;

[0031] Figure 8 is a structural diagram of the upper mold core of the utility model.

[0032] In the figure: 1, lower die seat; 2, upper die seat; 3, bolt A; 4, lower die plate; 5, bolt B; 6, upper die plate; 7, positioning groove A; 8, lower die core; 81, runner parting surface; 9, positioning groove B; 10, upper die core; 101, locking inclined surface; 11, lower pressing cavity; 12, upper pressing cavity; 13, lower hook; 14, actuating piece; 15, lower hook plate; 16, lower hook claw; 17, hook groove; 18, positioning slot; 19, mounting seat; 20, upper limit plate; 21, longitudinal guide groove; 22, transverse guide groove; 23, mounting groove; 24, rotating shaft; 25, return spring; 26, arc-shaped groove; 27, arc-shaped block; 28, bolt C; 29, guide column; 30, guide hole; 31, automobile balance block; 32, side limit plate. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described above with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] The above is described in combination with the drawings in the embodiments of the utility model, Figures 1-8 The application is further described in detail,

[0035] The embodiment of the application discloses a die-casting die structure, which comprises a lower die seat 1 and an upper die seat 2, the bottom of the lower die seat 1 is fixed with a lower die plate 4 through a bolt A 3, the top of the upper die seat 2 is fixed with an upper die plate 6 through a bolt B 5, a lower die core 8 is fixed in a positioning groove A 7 formed in the lower die plate 4, an upper die core 10 is arranged in a positioning groove B 9 formed in the upper die plate 6, a lower pressing cavity 11 matched with an automobile balance block 31 is formed in the lower die core 8, and an upper pressing cavity 12 matched with the automobile balance block 31 is formed in the upper die core 10; a runner parting surface 81 matched with a locking inclined surface 101 on the upper die core 10 is arranged on the lower die core 8.

[0036] Two C28 bolts are symmetrically arranged on the upper mold base 2. The C28 bolts pass through the upper mold base 2 and the upper template 6 and are threaded into the upper mold core 10, thus fixing the upper mold base 2, upper template 6, and upper mold core 10 together. This forms a robust connection, enhancing the overall stability of the upper mold base 2, upper template 6, and upper mold core 10, and preventing component displacement due to pressure and vibration during die casting. It also facilitates the replacement of the upper mold core 10, achieving a quick mold core change. Four guide posts 29 are provided at the four corners of the upper template 6, and guide holes 30 are provided at the four corners of the lower template 4 to mate with the four guide posts 29. The design of the guide posts 29 and guide holes 30 provides a precise guiding and positioning mechanism, ensuring accurate alignment of the upper template 6 and lower template 4 during die casting assembly, thereby guaranteeing the correct mold fit. The mating of the guide posts 29 and guide holes 30 helps to distribute and withstand the pressure and impact during die casting, reducing mold vibration during the die casting process and enhancing the overall stability of the mold.

[0037] The lower mold base 1 is provided with a hook 13 for positioning and fixing the upper mold core 10 inside the lower mold plate 4;

[0038] The swinging of the toggle piece 14 on the hooker 13 causes the hook plate 15 to move back and forth, thereby causing the hook claw 16 at the end of the hook plate 15 to hook into the hook groove 17 of the lower mold core 8 or to disengage from the hook groove 17 of the lower mold core 8. The hook claw 16 is limited and locked into the positioning groove 18 on the lower mold core 8 or moves away from the positioning groove 18 on the lower mold core 8.

[0039] The hook 13 also includes a mounting base 19 fixed on the lower mold base 1, an upper limit plate 20 fixed above the mounting base 19 and limited above the hook plate 15, and a side limit plate 32 limiting the side of the hook plate 15. The mounting base 19 has a longitudinal guide groove 21 for the hook plate 15 to slide back and forth, and a transverse guide groove 22 for the side limit plate 32 and the actuating piece 14 to be installed. The longitudinal guide groove 21 and the transverse guide groove 22 are connected. The side limit plate 32 is installed and fixed in the longitudinal guide groove 21, and the actuating piece 14 rotates in the longitudinal guide groove 21. A reset spring 25 is provided in the mounting groove 23 at the bottom of the mounting base 19 to connect the mounting base 19 and the rotating shaft 24 on the actuating piece 14. The arc-shaped groove 26 on the hook claw 16 is engaged with the arc-shaped block 27 on the lower mold core 8 for positioning.

[0040] The mounting base 19 is fixed on the lower die seat 1, providing support for the lower hooker 13. The upper limiting plate 20 and the side limiting plate 32 are fixed above and on the side of the mounting base 19, respectively, which are used to limit and guide the movement of the lower hook plate 15. The mounting base 19 is provided with a longitudinal guide slot 21 for the forward and backward sliding movement of the lower hook plate 15. The transverse guide slot 22 is used to install the side limiting plate 32 and the toggle 14. The design of the two guide slots allows the lower hooker 13 to slide in one direction while ensuring lateral stability and positioning.

[0041] The reset spring 25 connects the mounting base 19 and the rotating shaft 24 on the toggle 14, which is used to automatically reset to the initial position after the operation of the lower hooker 13. The arc-shaped groove 26 on the lower hook claw 16 is matched and positioned with the arc-shaped block 27 on the lower die core 8, which provides an additional positioning mechanism to ensure the correct position of the lower die core 8 in the mold.

[0042] Through the design of the limiting plate and the guide slot, the movement of the lower hook plate 15 can be accurately controlled by the lower hooker 13, thereby ensuring the accurate installation and positioning of the lower die core 8. The reset spring 25 is provided to enable the lower hooker 13 to automatically reset after completing its work, reducing the workload of the operator and avoiding positioning errors caused by improper manual reset. The automation degree of the lower hooker 13 is high, reducing the time of manual operation and the possibility of errors, thereby improving the production efficiency. Through accurate positioning and stability, the displacement and vibration of the mold during pressure casting are reduced, improving the service life of the mold and the quality of the pressure cast products.

[0043] The lower die plate 4 and the upper die plate 6 of the structure of the pressure casting mold are connected with the lower die seat 1 and the upper die seat 2 through bolts A3 and bolts B5, respectively, ensuring the overall stability of the mold. The lower die core 8 is fixed in the positioning slot A7, and the upper die core 10 is placed in the positioning slot B9, both of which cooperate with the pressure casting of the automobile balance block 31 through corresponding pressure casting cavities.

[0044] The toggle 14 on the lower hooker 13 swings, moving the lower hook plate 15 forward and backward through mechanical linkage. The lower hook claw 16 at the end of the lower hook plate 15 can hook the hook slot 17 of the lower die core 8, achieving rapid positioning and fixing of the lower die core 8. Through the mechanism of the lower hooker 13, rapid and accurate positioning of the lower die core 8 can be achieved, improving production efficiency. If it is necessary to replace the die core, it can be easily achieved by operating the lower hooker 13, reducing downtime. The degree of automation is high, reducing manual operation and reducing the possibility of errors.

[0045] The lower hook 16 hooks the hook slot 17 of the lower die core 8, providing an additional locking mechanism to ensure stability during the die casting process. The lower hook 16 is limited to snap into the positioning slot 18 on the lower die core 8, further ensuring the reliability of the locking. The positioning mechanism of the lower hook 13 provides an additional fixing point for the die core, making the entire mold structure more secure. The design of the lower hook 13 reduces the loosening of parts due to vibration or pressure. The precisely machined positioning slot and hook slot 17 reduce the gap, reducing the loosening caused by the gap.

[0046] Finally, it should be noted that: the following is only the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, any modification, equivalent replacement, improvement, etc., within the spirit and principles of the present application, should be included within the scope of the present application.

Claims

1. A die casting mold structure characterized by comprising: The utility model relates to a die set for automobile balance block pressure casting forming device, including: The bottom of lower die seat (1) is fixed with lower die plate (4) through bolt A (3) screw fixation, the top of upper die seat (2) is fixed with upper die plate (6) through bolt B (5), the lower die plate (4) is fixed with lower die core (8) in the locating groove A (7) set up on it, the upper die plate (6) is equipped with upper die core (10) in the locating groove B (9) set up on it, the lower die core (8) is set up with the lower pressure casting cavity (11) that cooperates automobile balance block (31) pressure casting forming on it, the upper die core (10) is set up with the upper pressure casting cavity (12) that cooperates automobile balance block (31) pressure casting forming on it; Lower die seat (1) is equipped with lower hook ware (13) that positions and fixes upper die core (10) in lower die plate (4); Through the swing of the actuating piece (14) on lower hook ware (13) drive lower hook plate (15) moves back and forth, further drive lower hook claw (16) on the end of lower hook plate (15) hook in the hook groove (17) of lower die core (8) or separate from the hook groove (17) of lower die core (8), lower hook claw (16) limit card into the locating slot (18) on lower die core (8) or away from the locating slot (18) on lower die core (8).

2. A die casting mould structure according to claim 1, characterised in that: Upper die seat (2) is equipped with two bolt C (28) left and right symmetry, bolt C (28) is passed through upper die seat (2) and upper die plate (6) and is connected with upper die core (10) with screw thread, further fixed together upper die seat (2), upper die plate (6) back, upper die core (10).

3. A die casting mould structure according to claim 1, characterised in that: Upper die plate (6) four corners are equipped with four guide columns (29), and the four corners of the lower die plate (4) are provided with guide holes (30) matched with the four guide columns (29) for guiding and inserting.

4. A die casting mould structure according to claim 1, characterised in that: Lower hook ware (13) still includes mounting seat (19) fixed on lower die seat (1), upper limiting plate (20) fixed above mounting seat (19) and limiting above lower hook plate (15), and side limiting plate (32) limiting the side of lower hook plate (15), mounting seat (19) is provided with longitudinal guide groove (21) for guiding and sliding movement of lower hook plate (15) back and forth, and transverse guide groove (22) for mounting side limiting plate (32) and actuating piece (14), and longitudinal guide groove (21) is communicated with transverse guide groove (22), side limiting plate (32) is mounted and fixed in longitudinal guide groove (21), and actuating piece (14) rotates in longitudinal guide groove (21).

5. A die casting mould structure according to claim 4, characterised in that: The mounting groove (23) set up in the bottom of mounting seat (19) is provided with reset spring (25) connecting mounting seat (19) and upper rotating shaft (24) of actuating piece (14).

6. A die casting mold structure according to claim 1, wherein: The arc-shaped groove (26) on lower hook claw (16) is matched and inserted with arc-shaped block (27) on lower die core (8).

7. A die casting mold structure according to claim 1, characterized by: Lower die core (8) is provided with flow channel parting surface (81) locked with locking inclined surface (101) on upper die core (10).

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