Quick mounting mechanism for upper die assembly of low-pressure casting aluminum alloy die

Abstract

The utility model discloses a low-pressure casting aluminum alloy die upper die assembly fast-assembling mechanism which comprises an upper machine pedestal, T-shaped grooves are formed in the left side and the right side of the lower end of the upper machine pedestal, and gaps are designed between an I-shaped connecting block, a movable die plate and the T-shaped grooves in the end face of a connecting column, so that fast assembling and disassembling are guaranteed; a gap is formed between the I-shaped connecting block and the T-shaped groove of the upper die connecting column and belongs to floating connection, so that the upper die and the lower die can be accurately positioned through a positioning system of the die, and the surface strain of a casting and the flash and aluminum leakage of a parting surface of a side die sliding block are avoided; especially, due to the fact that the high-temperature fatigue damage risk is large, each factory can encounter the situation that bolts are suddenly broken, the minimum cross sectional area of the newly-designed I-shaped connecting block can be increased at will according to requirements, the requirement for long-term use of the mold in the high-temperature state is completely met, and the safety problem is fundamentally solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to low pressure casting aluminum alloy mould upper die assembly quick -mounting mechanism related technical field, concretely relates to a low pressure casting aluminum alloy mould upper die assembly quick -mounting mechanism. BACKGROUND

[0002] Low pressure casting aluminum alloy mould upper die assembly quick -mounting mechanism is a kind of mechanical device for the quick installation and disassembly of the mould upper die, the mechanism usually adopts clamping device and guide system, can realize the accurate positioning and stable fixation of mould in short time, to improve the casting production efficiency, the design of quick -mounting mechanism considers the weight and shape of mould, ensures safe and reliable in the operation process, reduces the complexity and time cost of manual operation, applicable to the demand of large -scale production and quick die change.

[0003] Aluminum alloy low pressure casting is more and more favored by all walks of life because of the light weight of casting, high strength, also become the main means of lightweight of automobile parts.But low pressure casting machine mould installation is time -consuming and laborious, usually still adopts T -type slot bolt manual fastening connection, because low pressure casting mould temperature is higher, opening and closing mould vibration is bigger, often will cause linking bolt fatigue failure, length lengthening even breakage, mould will fall down from movable die plate, light damage the mould, major cause personal injury, there is great security risk, the original upper die assembly connecting column processing cost is higher, and the process difficulty is big.Weak structural strength exists certain security risk, because movable die plate and fixed die plate exist parallelism error, if low pressure upper die assembly is completely fixed on movable die plate, will cause the parallelism error of mould upper die, the demoulding angle change of mould causes the side of casting to pull the injury.Because the upper die assembly and lower mould are not parallel, the position of side mould sliding block changes, causes side mould sliding block flash to run aluminum also can cause operation accident. SUMMARY

[0004] The utility model discloses a low pressure casting aluminum alloy mould upper die assembly quick -mounting mechanism to solve the aluminum alloy low pressure casting because of the weight of casting is light, high strength, more and more by all walks of life, also become the main means of automobile parts light weight. But low pressure casting machine mould installation is time -consuming and laborious, still usually adopts T -type slot bolt manual fastening connection, because low pressure casting mould temperature is higher, opening and closing mould vibration is bigger, often will cause link bolt fatigue failure, length lengthening even breakage, mould will fall down from the movable plate, light damage the mould, major cause personal injury, there is great security risk, the original upper die assembly connecting column processing cost is higher, and the process difficulty is big. Structure strength is weak and there is certain security risk, because movable plate and fixed plate exist parallelism error, if low pressure upper die assembly is completely fixed on movable plate, will cause the parallelism error of mould upper and lower mould, the demoulding angle change of mould causes the side surface of casting to be pulled. Because upper die assembly and lower mould are not parallel, the change of side mould sliding block cooperation position causes side mould sliding block flash to run aluminum and also can cause the operation accident problem.

[0005] To realize above -mentioned purpose, the utility model provides the following technical scheme: a low pressure casting aluminum alloy mould upper die assembly quick -mounting mechanism, upper machine pedestal is provided with T -type slot at the lower end left and right two sides position, the upper machine pedestal is installed with I -shaped tooling through T -type slot in the inside position, the I -shaped tooling is installed through the installation of machine helper in the front end upper position, the lower end left and right two sides position of upper machine pedestal is provided with connecting column, the lower end position of connecting column is provided with upper die assembly A, the inside position of upper die assembly A is provided with low pressure mould, the lower end position of low pressure mould is provided with casting, the lower position of casting is provided with side slide module, the inside position of side slide module is provided with lower die assembly, the lower end position of lower die assembly is provided with fixed plate.

[0006] Preferably, the I-shaped tooling is connected with the upper machine pedestal and the connecting column, and gaps are left at the connection positions.

[0007] Preferably, the connecting column is provided with a T-shaped groove at the upper end position.

[0008] Preferably, the T-shaped groove in the connecting column corresponds to the T-shaped groove in the upper machine pedestal.

[0009] Preferably, the connecting column is installed with the upper machine pedestal through the I-shaped tooling.

[0010] Preferably, the lower end of the upper machine pedestal is provided with an anti-unraveling device at the four corners.

[0011] Preferably, the low pressure mould is installed at the other end of the anti-unraveling device.

[0012] Preferably, the I-shaped tooling is installed and disassembled by a machine helper.

[0013] Compared with the prior art, the low-pressure casting aluminum alloy mold upper mold assembly quick mounting mechanism has the following beneficial effects:

[0014] The device is provided with a T-shaped groove structure at the upper end of the connecting column, the T-shaped groove of the connecting column corresponds to the T-shaped groove of the movable die plate, the connecting column originally needs to be machined with a long groove and a bolt-avoiding circular-arc-shaped mounting groove, which not only destroys the overall strength of the connecting column, but also easily causes the connecting column to break, the connecting column is connected with the movable die plate through the newly designed I-shaped connecting block, and the T-shaped groove of the I-shaped connecting block, the movable die plate and the end surface of the connecting column is designed to have a gap, so that installation and disassembly are fast, the T-shaped groove of the I-shaped connecting block and the upper mold connecting column has a gap and belongs to floating linkage, so that the upper mold and the lower mold can be accurately positioned through the positioning system of the mold itself, the surface of the casting is prevented from being pulled and the flash of the parting surface of the side mold slider is prevented from running aluminum, the original T-shaped bolt connection has a small cross-sectional area of the M20 bolt and limited tensile strength, especially the risk of high-temperature fatigue damage is great, and the bolt of each factory is suddenly broken, and the minimum cross-sectional area of the newly designed I-shaped connecting block can be increased at will according to requirements, so that the requirement of long-term use of the mold in a high-temperature state is fully met, and the safety problem is fundamentally solved.

[0015] The device adopts flexible connection, solves the problems of easy pulling and flash of the product, reduces the use cost, is simple in tooling machining, reliable in strength, safe and reliable, and not easy to break, and the machine installation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A low-pressure casting mold of the low-pressure casting aluminum alloy mold upper mold assembly quick mounting mechanism of the utility model is shown in the traditional connecting mode structure diagram.

[0017] Figure 2 An optimized structure diagram of the low-pressure casting aluminum alloy mold upper mold assembly quick mounting mechanism of the utility model is shown.

[0018] Figure 3 An I-shaped tooling structure diagram of the low-pressure casting aluminum alloy mold upper mold assembly quick mounting mechanism of the utility model is shown.

[0019] Figure 4 A machine helper structure diagram of the low-pressure casting aluminum alloy mold upper mold assembly quick mounting mechanism of the utility model is shown.

[0020] Figure 5 A mold original low-pressure mold structure diagram of the low-pressure casting aluminum alloy mold upper mold assembly quick mounting mechanism of the utility model is shown, and the mold original low-pressure mold structure diagram is caused by the non-parallelism between the fixed mold plate and the upper machine seat.

[0021] In the figure: 1, the upper machine seat; 2, T-shaped groove; 3, low-pressure die; 4, connecting column; 5, upper die assembly A; 6, casting; 7, side slide module; 8, lower die assembly; 9, fixed die plate; 10, machine installation assistant; 11, I-shaped tooling. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the utility model, it should be noted that the directions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances

[0025] The utility model provides a kind of low-pressure casting aluminum alloy die upper die assembly quick-mounting mechanism as shown in Figures 1-5 As shown in the figure, a kind of low-pressure casting aluminum alloy die upper die assembly quick-mounting mechanism is provided, upper machine seat 1 is provided with T-shaped groove 2 at the lower end left and right side positions of upper machine seat 1, I-shaped tooling 11 is installed at the inner side position of upper machine seat 1 by T-shaped groove 2, I-shaped tooling 11 is installed by machine installation assistant 10 at the front end upper position, connecting column 4 is arranged at the lower end left and right side positions of upper machine seat 1, upper die assembly A 5 is arranged at the lower end position of connecting column 4, low-pressure die 3 is arranged at the inner side position of upper die assembly A 5, casting 6 is arranged at the lower end position of low-pressure die 3, side slide module 7 is arranged at the lower position of casting 6, lower die assembly 8 is arranged at the inner side position of side slide module 7, and fixed die plate 9 is arranged at the lower end position of lower die assembly 8.

[0026] The T-shaped groove 2 on the upper end of the connecting column 4 corresponds to the T-shaped groove 2 of the movable die plate, the connecting column 4 originally needs to be machined with a long groove and a bolt-avoiding circular-arc-shaped mounting groove, which not only destroys the overall strength of the connecting column 4, but also easily causes the connecting column 4 to break, the connecting column 4 is connected with the movable die plate through the newly designed I-shaped connecting block, and the I-shaped connecting block, the movable die plate and the T-shaped groove 2 of the end surface of the connecting column 4 are designed with gaps, so that the installation and disassembly are fast, the I-shaped connecting block and the T-shaped groove 2 of the upper die connecting column 4 have gaps and belong to floating linkage, so that the upper die and the lower die can be precisely positioned through the positioning system of the mold itself.

[0027] As shown in Figure 2 , the I-shaped tooling 11 is left with a gap at the connection with the upper machine seat 1 and the connecting column 4, the upper end position of the connecting column 4 is provided with a T-shaped groove 2, the T-shaped groove 2 in the connecting column 4 corresponds to the T-shaped groove 2 in the upper machine seat 1, the connecting column 4 is installed with the upper machine seat 1 through the I-shaped tooling 11, the lower end of the upper machine seat 1 is provided with an anti-chain falling device at the four corner positions, the low-pressure mold 3 is installed at the other end position of the anti-chain falling device, and the I-shaped tooling 11 is installed and disassembled through the machine helper 10.

[0028] The minimum cross-sectional area of the I-shaped connecting block can be arbitrarily increased according to requirements, and the requirements of long-term use of the mold in a high-temperature state are completely met, the I-shaped tooling 11 is left with a gap upward and downward, which facilitates disassembly and can achieve a flexible effect.

[0029] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A low pressure die casting aluminum alloy mold upper die assembly quick mounting mechanism, characterized in that, The upper machine base (1) is provided with a T-shaped groove (2) at the lower end of the left and right sides, and the upper machine base (1) is installed with an I-shaped tooling (11) at the inner side of the T-shaped groove (2), the I-shaped tooling (11) is installed through the machine helper (10) at the front end of the upper position, the lower end of the left and right sides of the upper machine base (1) is provided with a connecting column (4), the lower end of the connecting column (4) is provided with an upper die assembly A (5), the inner side of the upper die assembly A (5) is provided with a low-pressure die (3), the lower end of the low-pressure die (3) is provided with a casting (6), the lower side of the casting (6) is provided with a side sliding module (7), the inner side of the side sliding module (7) is provided with a lower die assembly (8), and the lower end of the lower die assembly (8) is provided with a stationary die plate (9).

2. The quick mounting mechanism for the upper die assembly of a low pressure casting aluminum alloy die according to claim 1, characterized in that: The I-shaped tooling (11) is connected with the upper machine base (1) and the connecting column (4), and gaps are left at the connections.

3. The quick mounting mechanism for the upper die assembly of low pressure casting aluminum alloy die according to claim 1, characterized in that: The upper end of the connecting column (4) is provided with a T-shaped groove (2).

4. The quick mounting mechanism for the upper die assembly of a low pressure casting aluminum alloy die according to claim 1, characterized in that: The T-shaped groove (2) in the connecting column (4) corresponds to the T-shaped groove (2) in the upper machine base (1).

5. The quick mounting mechanism for the upper die assembly of a low pressure casting aluminum alloy die according to claim 1, characterized in that: The connecting column (4) is installed with the upper machine base (1) through the I-shaped tooling (11).

6. The quick mounting mechanism for the upper die assembly of a low pressure casting aluminum alloy die according to claim 1, characterized in that: The lower end of the upper machine base (1) is provided with an anti-drop chain at the four corners.

7. The quick mounting mechanism for the upper die assembly of a low pressure casting aluminum alloy die according to claim 1, characterized in that: The low-pressure die (3) is installed at the other end of the anti-drop chain.

8. The quick mounting mechanism for the upper die assembly of a low pressure casting aluminum alloy die according to claim 1, characterized in that: The I-shaped tooling (11) is installed and disassembled through the machine helper (10).

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