A molding die for a power supply housing

Abstract

The utility model discloses a kind of forming mould of power supply shell, including front mould frame, rear mould frame and ejection mechanism, first forming groove is equipped in front mould frame middle, second forming groove is equipped in rear mould frame middle, first forming groove and second forming groove are spliced into top surface forming cavity;The side surface of rear mould frame is equipped with sliding block, and the end of sliding block is first forming part;Ejection mechanism is equipped with ejection base, and ejection base is equipped with sliding seat, and inclined strut is slidably installed on sliding seat, and the side surface of inclined strut top is equipped with second forming part, and with the first forming part of sliding block Spliced into side surface forming cavity, and side surface forming cavity and top surface forming cavity constitute an L-shaped cavity;The first limiting step surface is equipped with in the side of inclined strut towards sliding block, and sliding block is pressed on the first limiting step surface.The utility model is accurately matched by sliding block and inclined strut, and sliding block is driven by oil cylinder to realize fast core pulling, and inclined strut is synchronized with ejection mechanism Action completes side surface forming part to separate, and significantly improves stripping efficiency.

Description

Technical Field

[0001] This utility model relates to the field of power supply accessory processing technology, and in particular to a molding die for a power supply housing. Background Technology

[0002] Die casting is a casting process that uses high pressure applied to molten metal within a mold cavity. Die casting is particularly suitable for manufacturing large quantities of small to medium-sized castings, such as various components for power supply housings, which are typically processed using this process. Power supply housing components have an L-shaped structure with relatively thin surfaces and complex structures such as openings. Therefore, during die casting, sliders and angled ejectors are needed to cooperate with the mold cavity to facilitate the forming of the power supply housing. However, this structure makes demolding inconvenient; the fit between the slider and the angled ejectors is relatively poor, resulting in low demolding efficiency. Utility Model Content

[0003] To address the aforementioned problems, this invention provides a molding die for a power supply housing that allows for rapid demolding.

[0004] Therefore, the technical solution of this utility model is: a molding die for a power supply housing, including a front mold frame, a rear mold frame, and an ejection mechanism. The front mold frame has a first molding groove in the middle, and the rear mold frame has a second molding groove in the middle. The first molding groove and the second molding groove are combined to form a top surface molding cavity. A movable slider is provided on the side of the rear mold frame, and the end of the slider is a first molding part. The ejection mechanism is provided with an ejection base, and a sliding seat is provided on the ejection base. A diagonal support rod is slidably installed on the sliding seat. A second molding part is provided on the top side of the diagonal support rod, which is combined with the first molding part of the slider to form a side molding cavity. The side molding cavity and the top surface molding cavity form an L-shaped cavity. A first limiting step surface is provided on the side of the diagonal support rod facing the slider, and the slider presses on the first limiting step surface.

[0005] Based on the above scheme and as a preferred embodiment of the above scheme: a rear mold core is fixed on the rear mold frame, and the second forming groove is located in the middle of the rear mold core; the rear mold core is provided with a sliding groove for the slider to slide into and an opening groove for the diagonal brace to be inserted, and the groove wall of the opening groove is provided with a second limiting step surface; the diagonal brace is provided with a protruding locking block on the side away from the slider, and the locking block is tightly engaged with the second limiting step surface.

[0006] Based on the above scheme and as a preferred embodiment of the above scheme: the front mold frame is provided with a sprue sleeve, and the rear mold frame is provided with a boss that cooperates with the sprue sleeve; the rear mold frame is provided with a sprue runner that connects the boss and the L-shaped cavity, and the sprue runner is located on one side of the top forming cavity, and a waste slag runner is provided on the other side of the top forming cavity.

[0007] Based on the above scheme and as a preferred embodiment of the above scheme: the ejector base is provided with a number of ejector pins, and the second forming groove, the inlet channel and the waste slag channel are all provided with ejector pin holes for the ejector pins to pass through.

[0008] Based on the above scheme and as a preferred embodiment of the above scheme: a hydraulic cylinder is installed on the side of the rear mold frame, and the cylinder rod of the hydraulic cylinder is fixedly connected to the rear end of the slider, driving the first forming part at the front end of the slider to approach the second forming part of the inclined support rod.

[0009] Compared with the prior art, the beneficial effects of this utility model are: 1. By precisely coordinating the slider and the diagonal brace to construct an L-shaped cavity, combined with the coordinated action of the ejection mechanism, the demolding cycle is significantly shortened; the hydraulic cylinder drives the slider to achieve rapid core pulling, and the diagonal brace moves synchronously with the ejection mechanism to complete the separation of the side forming part, avoiding the problem of component linkage jamming in the traditional structure and significantly improving demolding efficiency.

[0010] 2. The first limiting step surface of the diagonal brace fits into the slider, and the second limiting step surface of the rear mold core opening groove fits tightly into the locking block of the diagonal brace. The double limiting effectively controls the relative positional deviation between the slider and the diagonal brace, ensuring the dimensional stability of the L-shaped cavity. It is especially suitable for the processing requirements of complex structures such as thin surfaces and openings of power supply housings, reducing the scrap rate caused by fitting errors. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional view of the structure of this utility model; Figure 3 for Figure 2 A magnified view of a portion of the image; Figure 4 This is a schematic diagram of the structure of the rear mold frame of this utility model; Figure 5 This is a schematic diagram of the structure of the rear mold core of this utility model; Figure 6 This is a schematic diagram of the slider and diagonal brace of this utility model; Figure 7 This is a schematic diagram of the front mold frame of this utility model.

[0012] The components in the diagram are labeled as follows: front mold base 1, front mold core 11, first molding groove 12, sprue bushing 13, rear mold base 2, rear mold core 21, second molding groove 22, slide groove 23, opening groove 24, second limiting step surface 25, boss 26, inlet runner 27, waste runner 28, ejector pin hole 29, ejection mechanism 3, ejection base 31, ejector pin 32, sliding seat 33, diagonal brace 34, second molding part 35, first limiting step surface 36, locking block 37, slider 4, hydraulic cylinder 41, first molding part 42, power supply housing 5, top surface 51, side surface 52. Detailed Implementation

[0013] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0014] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.

[0015] See the attached drawings. The molding die for the power supply housing described in this embodiment includes a front mold base 1, a rear mold base 2, and an ejection mechanism 3. The front mold base 1 has a front mold core 11 in the middle, and the front mold core 11 has a first molding groove 12 in the middle. The rear mold base 2 has a rear mold core 21 in the middle, and the rear mold core 21 has a second molding groove 22 in the middle. The first molding groove 12 and the second molding groove 22 are combined to form a top surface molding cavity, which can be used to die-cast the top surface 51 of the power supply housing 5.

[0016] The rear mold frame 2 is provided with a movable slider 4 and a hydraulic cylinder 41 on its side. The hydraulic cylinder rod of the hydraulic cylinder 41 is fixedly connected to the rear end of the slider 4. The rear mold core 21 is provided with a slide groove 23 for the slider 4 to slide into. The hydraulic cylinder 41 can drive the slider 4 to move along the slide groove 23, so that the front end of the slider 4 enters the forming area. The end of the slider 4 is the first forming part 42.

[0017] The ejection mechanism 3 is provided with an ejection base 31, and the ejection base 31 is provided with a plurality of ejector pins 32; the ejection base 31 is provided with two sliding seats 33, and a diagonal support rod 34 is slidably installed on the sliding seat 33. The top side of the diagonal support rod 34 is provided with a second forming part 35. The rear mold core 21 is also provided with an opening slot 24 for the diagonal support rod to be inserted. The top of the diagonal support rod 34 is inserted into the opening slot 24 and combined with the first forming part 42 of the slider 4 to form a side forming cavity, thereby die-casting the side 52 of the power supply housing 5. The side forming cavity and the top forming cavity form an L-shaped cavity, thereby die-casting a complete L-shaped power supply housing 5.

[0018] The inclined support rod 34 has a first limiting step surface 36 on the side facing the slider 4, and the lower edge of the front end of the slider 4 can press on the first limiting step surface 36. The groove wall of the opening slot 24 of the rear mold core 21 has a second limiting step surface 25, and the inclined support rod 34 has a protruding locking block 37 on the side away from the slider 4. The locking block 37 can be locked on the second limiting step surface 25, so that the position of the inclined support rod 34 is precisely limited by the slider 4 and the rear mold core 21, effectively controlling the relative positional deviation between the slider and the inclined support rod, and ensuring the dimensional stability of the L-shaped cavity.

[0019] The front mold base 1 is provided with a sprue sleeve 13, and the rear mold base 2 is provided with a boss 26 that mates with the sprue sleeve 13. The rear mold base 3 is provided with a gating channel 27 that connects the boss 26 and the L-shaped cavity, and the gating channel 27 is located on one side of the top molding cavity, while a waste slag channel 28 is provided on the other side of the top molding cavity. The second molding groove, the gating channel, and the waste slag channel are all provided with ejector pin holes 29 for ejector pins 32 to pass through.

[0020] The demolding steps are as follows: After die casting is completed, the front mold base 2 and the rear mold base 1 begin to separate along the mold parting surface; the front mold base 1 continues to move in the opposite direction to the rear mold base 2, and the first molding groove 12 on the front mold base 1 and the second molding groove 22 on the rear mold base 2 gradually separate, and the top surface molding cavity opens accordingly. When the sprue bushing 13 completely disengages from the boss 26 on the rear mold base, the waste material in the sprue is separated from the front mold base 1, and the front mold base 1 stops moving and remains at the mold opening limit position; Start the hydraulic cylinder 41. The cylinder rod drives the slider 4 to slide outward along the slide groove 23 on the rear mold core 21. The first forming part 42 at the end of the slider 4 is gradually pulled out from the side forming cavity until the first forming part 42 is completely separated from the side of the product and the slider 4 stops sliding. When the ejection mechanism 3 is activated, the ejection base 31 drives the sliding seat 33, the inclined support rod 34 and the ejector pin 32 to move synchronously toward the mold opening direction; the inclined support rod 34 slides obliquely upward along the opening slot 24 of the rear mold core 21, and the locking block 37 on the side away from the slider gradually disengages along the second limiting step surface 25, and the second forming part 35 on the top side is smoothly pulled out from the side forming cavity of the product, completing the complete disengagement of the side forming part. The ejection mechanism 3 operates continuously, with ejector pins 32 passing through corresponding ejector pin holes 29, applying ejection forces to the product in the second molding groove, the waste material in the inlet runner, and the waste residue in the runner. Under the uniform pushing of the ejector pins, the product detaches from the second molding groove, and the waste residue separates from the runner simultaneously, until the product and waste residue are completely removed from the molding area of ​​the mold core. The molded power housing and runner waste are removed manually or mechanically. Then, the ejector mechanism 3 reverses its movement, causing the ejector base 31 to retract the sliding seat 33, the diagonal support rod 34, and the ejector pin 32 back to their initial positions. The hydraulic cylinder 41 drives the slider 4 to slide inward along the groove to reset. The diagonal support rod 34, driven by the sliding seat 33, re-inserts into the opening slot 24. The locking block 37 engages with the second limiting step surface 25, and the slider 4 presses back onto the first limiting step surface 36 of the diagonal support rod 34. Finally, the front mold base 1 resets and closes with the rear mold base 2. The sprue sleeve 13 engages with the boss 26, and the mold returns to its pre-casting state, ready for the next molding cycle.

[0021] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A molding die for a power supply housing, comprising a front mold base, a rear mold base, and an ejection mechanism, characterized in that: The front mold frame has a first forming groove in the middle, and the rear mold frame has a second forming groove in the middle. The first forming groove and the second forming groove are combined to form a top forming cavity. The rear mold frame has a movable slider on its side, and the end of the slider is a first forming part. The ejection mechanism has an ejection base, and the ejection base has a sliding seat. A diagonal support rod is slidably installed on the sliding seat. The top side of the diagonal support rod has a second forming part, which is combined with the first forming part of the slider to form a side forming cavity. The side forming cavity and the top forming cavity form an L-shaped cavity. The diagonal support rod has a first limiting step surface on the side facing the slider, and the slider presses on the first limiting step surface.

2. The molding die for a power supply housing as described in claim 1, characterized in that: The rear mold core is fixed on the rear mold frame, and the second forming groove is located in the middle of the rear mold core; the rear mold core is provided with a sliding groove for the slider to slide into and an opening groove for the diagonal brace to be inserted, and the groove wall of the opening groove is provided with a second limiting step surface; the diagonal brace is provided with a protruding locking block on the side away from the slider, and the locking block is tightly engaged with the second limiting step surface.

3. The molding die for a power supply housing as described in claim 1, characterized in that: The front mold frame is provided with a sprue sleeve, and the rear mold frame is provided with a boss that mates with the sprue sleeve; the rear mold frame is provided with a gating channel that connects the boss and the L-shaped cavity, and the gating channel is located on one side of the top forming cavity, while the other side of the top forming cavity is provided with a waste slag channel.

4. The molding die for a power supply housing as described in claim 3, characterized in that: The ejector base is provided with several ejector pins, and ejector pin holes for the ejector pins to pass through are provided in the second forming groove, the inlet channel, and the waste slag channel.

5. The molding die for a power supply housing as described in claim 1, characterized in that: A hydraulic cylinder is installed on the side of the rear mold frame. The cylinder rod is fixedly connected to the rear end of the slider, driving the first forming part at the front end of the slider to approach the second forming part of the inclined support rod.

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