Distribution box shell die-casting pitched roof die

Abstract

The utility model relates to the technical field of power distribution box shell die casting, in particular to a power distribution box shell die-casting pitched roof die which is provided with a positioning sleeve, a limiting rod and a tension spring sleeved on the limiting rod, when the die is closed, a pitched roof block stretches the tension spring through the positioning sleeve, and when the die is demoulded, the pitched roof block stretches the tension spring through the limiting rod. The upper mold base drives the inclined ejector block to move in the direction away from the mold cavity through the inclined ejector rod, on the basis of the pulling force of the upper mold base on the inclined ejector block, the tension spring is reset, and the pulling force in the same direction is applied to the inclined ejector block, so that the adhesive force of the distribution box shell on the inclined ejector block is counteracted, demolding is facilitated, and the demolding efficiency of the distribution box shell is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power distribution box shell die casting technical field, concretely relates to a power distribution box shell die casting inclined top mould. BACKGROUND

[0002] The high-voltage power distribution box is one of important parts of the automobile, and the high-voltage power distribution box comprises a power distribution box shell and a high-voltage power distribution module arranged in the power distribution box shell, wherein the power distribution box shell is usually prepared through a die casting mould.

[0003] The die casting mould is a tool for casting metal parts, and the die casting mould usually pours the metal or metal alloy heated into liquid into the feeding port of the die casting machine, and then casts the metal or metal alloy parts with the shape and size limited by the mould through the die casting machine.

[0004] The existing power distribution box shell die casting inclined top mould usually adopts the inclined top structure to make the workpiece smoothly demould after the power distribution box shell is cooled and formed, but the power distribution box shell is easy to be bonded on the mould due to the metal material, and the demoulding is not convenient, thereby affecting the demoulding efficiency of the power distribution box shell. UTILITY MODEL CONTENTS

[0005] The utility model provides a power distribution box shell die casting inclined top mould, which adopts the technical scheme that:

[0006] The upper mould base is provided with an upper mould core;

[0007] The lower mould base is provided with a lower mould core and a telescopic air cylinder, and the output end of the telescopic air cylinder is provided with an insert block for forming a cavity.

[0008] The inclined top structure comprises a plurality of groups, and the inclined top structure comprises an inclined top rod connected to the upper mould base and an inclined top block slidingly arranged on the lower mould base. The inclined top block, the insert block, the upper mould core and the lower mould core cooperate to form a cavity, the inclined top rod is used to push the inclined top block to move away from the cavity, the inclined top structure further comprises a limiting seat arranged on the lower mould base, the limiting seat is provided with a limiting rod, a tension spring is sleeved on the limiting rod, a positioning sleeve corresponding to the limiting rod is arranged on the inclined top block, one end of the tension spring is connected to the limiting seat, and the other end of the tension spring is connected to the positioning sleeve.

[0009] Further, the side wall of the positioning sleeve is provided with two limiting grooves arranged oppositely, a limiting block is slidingly arranged in the limiting groove, the limiting block is connected to a limiting spring, one end of the limiting spring away from the limiting block is connected to the limiting groove, and the limiting rod pushes the limiting block to move away from the center axis of the positioning sleeve and abuts against the limiting rod.

[0010] Further, the limiting rod away from the limiting seat one end is equipped with outer taper surface, the limiting block is equipped with inclined surface on one end close to the center shaft of the positioning sleeve, the interval between the inclined surface of two limiting blocks gradually reduces along the direction of the positioning sleeve to the cavity.

[0011] Further, the lower die seat is equipped with the first guide groove, the first guide groove and the inclined top rod correspond, the inclined top rod is slidably arranged in the first guide groove after passing through the inclined top groove.

[0012] Further, the lower die seat is also equipped with the second guide groove, the inclined top block is equipped with the sliding block slidably arranged in the second guide groove.

[0013] Further, the upper die seat is equipped with the sprue bushing, the sprue bushing is communicated with the sprue of the upper die core and the lower die core, and the sprue is closed and communicated with the cavity.

[0014] Further, the upper die seat and the lower die seat are both equipped with the water inlet and the water outlet, the water inlet and the water outlet are both communicated with the mold cooling system, the cooling channel is arranged in the upper die core and the lower die core, and the cooling channel is communicated with the water inlet and the water outlet.

[0015] Further, it also includes the ejector pin assembly, the ejector pin assembly includes the driving part arranged on the lower die seat, the ejector pin plate arranged on the output end of the driving part and the plurality of ejector pins arranged on the ejector pin plate, the ejector pins pass through the lower die seat and the lower die core and contact the power distribution box shell, and the driving part is used for driving the ejector pin plate to drive the ejector pins to separate the power distribution box shell from the lower die core.

[0016] The utility model discloses the beneficial effect is: the utility model discloses corresponding positioning sleeve and limiting rod are set up, and the tension spring is set up on the limiting rod, when the mold is closed, the inclined top block is stretched tension spring through the positioning sleeve, and when the mold is opened, the upper die seat moves the inclined top block to the direction away from the cavity through the inclined top rod, and on the basis that the upper die seat pulls the inclined top block, the tension spring resets the inclined top block and has a same direction's tension, thereby the adhesion of the power distribution box shell to the inclined top block is offset, and the mold opening is convenient, thereby the mold opening efficiency of power distribution box shell is improved. ACCURATE DRAWINGS

[0017] The utility model will be further explained in connection with the drawings and examples.

[0018] In the drawing: Figure 1 It is the stereogram of the power distribution box shell in the background art;

[0019] Figure 2 It is the overall structural drawing of the power distribution box shell die casting inclined top mold provided by the utility model embodiment;

[0020] Figure 3 As Figure 1 The perspective view of the hidden upper die seat of the power distribution box shell die-casting inclined ejector pin mold is shown in the figure;

[0021] Figure 4 As Figure 1 The perspective view of the power distribution box shell die-casting inclined ejector pin mold is shown in the figure;

[0022] Figure 5 As Figure 1 The top view of the power distribution box shell die-casting inclined ejector pin mold is shown in the figure;

[0023] Figure 6 As Figure 5 A-A sectional view;

[0024] Figure 7 As Figure 1 The side view of the power distribution box shell die-casting inclined ejector pin mold is shown in the figure;

[0025] Figure 8 As Figure 7 B-B sectional view;

[0026] Figure 9 As Figure 8 The enlarged view at A;

[0027] The figure shows the power distribution box shell die-casting inclined ejector pin mold 100;10, the upper die seat;11, the upper die core;111, the runner;12, the cavity;13, the sprue bushing;14, the water inlet;15, the water outlet;20, the lower die seat;21, the lower die core;22, the telescopic air cylinder;23, the insert;24, the first guide groove;25, the second guide groove;30, the inclined ejector pin structure;31, the inclined ejector pin;32, the inclined ejector pin block;321, the sliding block;322, the inclined ejector pin hole;323, the core;33, the limit seat;34, the limit rod;341, the outer taper surface;35, the tension spring;36, the positioning sleeve;361, the limit groove;362, the limit block;3621, the inclined surface;363, the limit spring;40, the ejector pin assembly;41, the ejector pin plate;200, the power distribution box shell. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be described in detail with reference to the drawings. This figure is a simplified schematic diagram, which only schematically illustrates the basic of the present application, therefore it only shows the relevant components of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] Please refer toFigures 1-9 The utility model discloses an embodiment provides a kind of distribution box shell die casting inclined top mould 100, including upper die seat 10, lower die seat 20 and inclined top structure 30.The distribution box shell die casting inclined top mould 100 provided by the utility model is used in cooperation with die casting machine.

[0030] Upper die seat 10 is equipped with upper die insert 11.Lower die seat 20 is equipped with lower die insert 21 and telescopic cylinder 22, and the output end of telescopic cylinder 22 is equipped with insert block 23 for forming cavity 12, and telescopic cylinder 22 is used to drive insert block 23 to move.

[0031] Inclined top structure 30 includes inclined top rod 31 connected to upper die seat 10 and inclined top block 32 slidably disposed on lower die seat 20, and inclined top block 32, insert block 23, upper die insert 11 and lower die insert 21 cooperate to form cavity 12, and inclined top rod 31 is used to push inclined top block 32 to move away from cavity 12, and inclined top structure 30 further includes limiting seat 33 disposed on lower die seat 20, limiting rod 34 is disposed on limiting seat 33, tension spring 35 is sleeved on limiting rod 34, and positioning sleeve 36 corresponding to limiting rod 34 is disposed on inclined top block 32, one end of tension spring 35 is fixedly connected to limiting seat 33, and the other end of tension spring 35 is fixedly connected to positioning sleeve 36.Further, the inclined top mechanism is provided with multiple groups, specifically, in the embodiment, inclined top block 32 includes three groups of inclined top mechanisms symmetrically distributed about the circumferential side of lower die seat 20, and the three inclined top structures 30 are respectively located at three edges of lower die seat 20.

[0032] Specifically, in the embodiment, core 323 for forming cavity 12 is fixedly connected to inclined top block 32 and insert block 23.

[0033] The utility model discloses through setting corresponding positioning sleeve 36 and limiting rod 34 and tension spring 35 sleeved on limiting rod 34, when mould is closed, inclined top block 32 stretches tension spring 35 through positioning sleeve 36, when demoulding, upper die seat 10 drives inclined top block 32 to move away from cavity 12 through inclined top rod 31, on the basis of the pulling force of upper die seat 10 to inclined top block 32, tension spring 35 resets and has a same-direction pulling force to inclined top block 32, so as to offset the adhesion of distribution box shell 200 to inclined top block 32, facilitate demoulding, thereby improve the demoulding efficiency of distribution box shell 200.

[0034] Further, the side wall of positioning sleeve 36 is provided with two limiting grooves 361 oppositely arranged, limiting block 362 is slidably arranged in limiting groove 361, limiting block 362 is connected with limiting spring 363, one end of limiting spring 363 away from limiting block 362 is fixedly connected with limiting groove 361, limiting rod 34 drives limiting block 362 to move away from the central axis of positioning sleeve 36 and abuts against limiting rod 34.

[0035] When demolding, the upper die seat 10 drives the inclined jacking rod 31 to insert into the inclined jacking hole 322 on the inclined jacking block, and pushes the inclined jacking block 32 to move away from the cavity 12, the positioning sleeve 36 moves towards the limiting rod 34, the limiting rod 34 inserts into the positioning sleeve 36, and pushes the limiting block 362 to move away from the center axis of the positioning sleeve 36, the limiting spring 363 is compressed, and pushes the limiting block 362 to abut against the limiting rod 34, so as to limit the sliding distance of the inclined jacking block 32, thereby preventing the inclined jacking block 32 from moving too much distance due to the excessive pulling force of the tension spring 35 when resetting, and affecting the next time of clamping.

[0036] Further, the end of the limiting rod 34 away from the limiting seat 33 is provided with an outer taper surface 341, and the end of the limiting block 362 close to the center axis of the positioning sleeve 36 is provided with an inclined surface 3621, and the spacing between the inclined surfaces 3621 of the two limiting blocks 362 gradually decreases in the direction from the positioning sleeve 36 to the cavity 12. Specifically, in the embodiment, the inclined angle of the outer taper surface 341 and the inclined angle of the inclined surface 3621 are matched, and the outer taper surface 341 and the limiting block 362 are matched, so as to facilitate the limiting rod 34 to extend into the positioning sleeve 36 and push the limiting block 362 to compress the limiting spring 363.

[0037] Further, the lower die seat 20 is provided with a first guide groove 24, and the first guide groove 24 corresponds to the inclined jacking rod 31, and the inclined jacking rod 31 is slidingly arranged in the first guide groove 24 after passing through the inclined jacking groove. Each inclined jacking block 32 corresponds to two inclined jacking rods 31, and the inclined jacking block 32 is provided with an inclined jacking hole 322 matched with the inclined jacking rod 31.

[0038] Further, the lower die seat 20 is further provided with a second guide groove 25, and the inclined jacking block 32 is provided with a sliding block 321 slidingly arranged in the second guide groove 25. Specifically, in the embodiment, the second guide groove 25 is arranged in pairs about the center axis of the positioning sleeve 36. The first guide groove 24 and the second guide groove 25 guide the sliding of the inclined jacking block 32.

[0039] Further, the upper die seat 10 is provided with a sprue bushing 13, and the upper die core 11 and the lower die core 21 are both provided with a runner 111 in communication with the sprue bushing 13, and the runner 111 is in closed communication with the cavity 12.

[0040] Further, the upper die seat 10 and the lower die seat 20 are both provided with a water inlet 14 and a water outlet 15, and the water inlet 14 and the water outlet 15 are both in communication with a mold cooling system, and the upper die core 11 and the lower die core 21 are both provided with a cooling channel in communication with the water inlet 14 and the water outlet 15. The cooling channel is not shown in the figure, and the mold cooling system is a prior art, which is not described in detail in the embodiment.

[0041] Further, the die-casting inclined ejector pin die 100 further comprises an ejector pin assembly 40, the ejector pin assembly 40 comprises a driving member arranged on the lower die seat 20, an ejector pin plate 41 arranged on the output end of the driving member, and a plurality of ejector pins arranged on the ejector pin plate 41, the ejector pins pass through the lower die seat 20 and the lower die core 21 and are in contact with the power distribution box shell 200, the driving member is used to drive the ejector pin plate 41 to drive the ejector pins to separate the power distribution box shell from the lower die core 21. Specifically, in the embodiment, the driving member is selected as a pneumatic cylinder, and the ejector pins and the driving member are not shown.

[0042] When the mold is closed, since the inclined ejector pin 31 is arranged in an inclined manner and is in sliding connection with the inclined ejector block 32, when the inclined ejector pin 31 is inserted into the inclined hole 322 of the inclined ejector block 32 by the lower pressing of the upper die seat 10, the side wall of the inclined structure acts on the inclined ejector block 32, so that the inclined ejector block 32 moves towards the cavity 12, and the telescopic cylinder 22 controls the insert block 23 to move towards the cavity 12, and the upper die core 11 and the lower die core 21 cooperate to form the cavity 12. During die casting, the die casting machine injects the heated metal or metal alloy into the sprue bushing 13 of the upper die seat 10 through the sprue bushing 13, and then flows into the cavity 12 through the sprue 111 on the upper die core 11 and the lower die core 21 to form the power distribution box shell 200. Then the mold cooling system passes cooling water into the upper die seat 10 and the lower die seat 20 through the corresponding water inlets 14, and then into the cooling channels in the upper die core 11 and the lower die core 21, respectively, to cool the power distribution box shell 200 after die casting. After cooling, the die casting machine controls the upper die core 11 and the upper die seat 10 to move away, the upper die seat 10 drives the inclined ejector pin 31 to insert into the inclined hole 322 of the inclined ejector block, and pushes the inclined ejector block 32 to move away from the cavity 12, and the telescopic cylinder 22 controls the insert block 23 to move away from the cavity 12, the driving member drives the ejector pins to move upwards until the power distribution box shell 200 is separated from the lower die core 21, and then the power distribution box shell 200 is taken away.

Claims

1. An electrical distribution box housing die-cast slant ejector mold characterized by, The utility model relates to a mould, including: Upper die seat, be equipped with upper die kernel on the upper die seat; Lower die seat, be equipped with lower die kernel and telescopic pneumatic cylinder on the lower die seat, the output end of telescopic pneumatic cylinder is equipped with insert for forming cavity, and telescopic pneumatic cylinder is used to drive insert to move; Inclined top structure, the inclined top structure is equipped with multiple groups, and the inclined top structure includes inclined top rod connected to the upper die seat and inclined top block slidingly arranged on the lower die seat, the inclined top block and insert, upper die kernel, lower die kernel cooperate to form cavity, the inclined top rod is used to push the inclined top block to the direction away from cavity, the inclined top structure further includes limiting seat arranged on the lower die seat, the limiting seat is equipped with limiting rod, the limiting rod is sleeved with tension spring, the inclined top block is equipped with the positioning sleeve corresponding with the limiting rod, one end of the tension spring is connected with the limiting seat, and the other end of the tension spring is connected with the positioning sleeve.

2. The electrical distribution box housing die cast knock out mold of claim 1, wherein: The side wall of the positioning sleeve is equipped with two limiting grooves oppositely arranged, the limiting block is slidingly arranged in the limiting groove, the limiting block is connected with the limiting spring, one end of the limiting spring away from the limiting block is connected with the limiting groove, and the limiting rod pushes the limiting block to move to the direction away from the central axis of the positioning sleeve and abuts against the limiting rod.

3. The electrical distribution box housing die cast knock out mold of claim 2, wherein: The end of the limiting rod away from the limiting seat is equipped with an outer taper surface, and the end of the limiting block close to the central axis of the positioning sleeve is equipped with an inclined surface, the spacing between the inclined surfaces of the two limiting blocks gradually decreases in the direction from the positioning sleeve to the cavity.

4. The electrical distribution box housing die cast knock out mold of claim 1, wherein: The lower die seat is equipped with a first guide groove corresponding to the inclined top rod, and the inclined top rod is slidingly arranged in the first guide groove after passing through the inclined top groove.

5. The electrical distribution box housing die cast knock-out mold of claim 4, wherein: The lower die seat is further equipped with a second guide groove, and the inclined top block is equipped with a sliding block slidingly arranged in the second guide groove.

6. The electrical distribution box housing die cast knock-out mold of claim 1, wherein: The upper die seat is equipped with a sprue bush, the upper die kernel and the lower die kernel are both equipped with a runner in communication with the sprue bush, and the runner is in closed communication with the cavity.

7. The electrical distribution box housing die cast knock out mold of claim 1, wherein: The upper die seat and the lower die seat are both equipped with a water inlet and a water outlet, the water inlet and the water outlet are both in communication with a mould cooling system, the upper die kernel and the lower die kernel are both equipped with a cooling channel in communication with the water inlet and the water outlet.

8. The electrical distribution box housing die cast knock out mold of claim 1, wherein: The utility model further includes a ejector pin assembly, the ejector pin assembly includes a driving member arranged on the lower die seat, an ejector pin plate arranged on the output end of the driving member, and a plurality of ejector pins arranged on the ejector pin plate, the ejector pins pass through the lower die seat and the lower die kernel and contact the power distribution box shell, and the driving member is used to drive the ejector pin plate to drive the ejector pins to remove the power distribution box shell from the lower die kernel.

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