Bottom shell forming die for vehicle-mounted refrigerator

Abstract

The utility model relates to the technical field of molds, and particularly discloses a vehicle-mounted refrigerator bottom shell forming mold. Wherein the front mold assembly comprises a front mold plate and a front mold core; the rear mold assembly comprises a rear mold plate, a rear mold core, a fixed plate arranged below the rear mold plate and an ejection assembly arranged below the fixed plate; the cross beam forming assembly is arranged on the rear mold core, the cross beam forming assembly comprises a first forming sliding block used for forming a cross beam and a side buckle, a second forming sliding block matched with the first forming sliding block in a sliding mode and a guide structure, the first forming sliding block is connected with the rear mold core, and the second forming sliding block is connected with the guide structure. The second forming sliding block is connected with the fixing plate; when the mold is opened, the ejection assembly upwards ejects the rear mold plate so as to drive the first forming sliding block to slide upwards relative to the second forming sliding block and perform lateral core pulling under the guidance of the first forming sliding block. The mold is good in forming and core-pulling effect and high in product assembly accuracy.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, and in particular to a mold for forming the bottom shell of a vehicle refrigerator. Background Technology

[0002] Molds are crucial tools in industrial production used to mold various products, and their design and structure directly affect product quality and production efficiency. In injection molding, the mold's structural design must fully consider the product's shape, size, and ease of demolding. Figure 1 Taking the bottom shell product shown as an example, the inner side 404 of the bottom shell is relatively wide, and there is a relatively long and thin crossbeam 401 in the middle. The crossbeam 401 also has a side latch 402 that is not aligned with the mold opening direction, and one side of the side latch 402 has a protruding hole 403. In conventional mold structure designs, when the product is demolded or the side latch 402 is pulled out, the crossbeam 401 often bends. This phenomenon not only affects the appearance quality of the product, but also seriously affects the assembly accuracy of the vehicle refrigerator. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a molding die for the bottom shell of a vehicle refrigerator, which has good molding and core-pulling effects and high product assembly accuracy.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A mold for forming the bottom shell of a vehicle refrigerator, comprising:

[0006] The front mold assembly includes a front template and a front mold core disposed below the front template;

[0007] The rear mold assembly includes a rear template, a rear mold core disposed on the rear template, a fixing plate disposed below the rear template, and an ejection assembly disposed below the fixing plate;

[0008] A beam forming assembly is disposed on the rear mold core. The beam forming assembly includes a first forming slider for forming the beam and side clips, a second forming slider that slides in cooperation with the first forming slider, and a guide structure. The first forming slider is connected to the rear mold core, and the second forming slider is connected to the fixed plate. When the mold is opened, the ejector assembly pushes the rear mold plate upward to drive the first forming slider to slide upward relative to the second forming slider and pull the core laterally under its guidance.

[0009] According to some embodiments of the present invention, the first forming slider includes a first forming part for forming a side snap-fit, and the rear mold core includes a second forming part for forming a side snap-fit ​​that cooperates with the first forming part.

[0010] According to some embodiments of the present invention, the first forming part includes a first forming insert for forming a hole for a side buckle, and the second forming part includes a second forming insert for forming a side buckle.

[0011] According to some embodiments of the present invention, the first forming slider includes a third forming part for forming a crossbeam, and the rear mold core includes a fourth forming part for cooperating with the third forming part to form a crossbeam.

[0012] According to some embodiments of the present invention, the first molding slider includes a fifth molding part for molding the inner side of the bottom shell, and the second molding slider includes a sixth molding part for molding the inner side of the bottom shell.

[0013] According to some embodiments of the present invention, the guide structure includes a first slider disposed on one side of the first forming slider, and a first sliding groove disposed on one side of the second forming slider that cooperates with and slides with the first slider. The first sliding groove is inclined from bottom to top in a direction away from the first forming slider. Under the drive of the ejection component, the first forming slider slides upward relative to the second forming slider, and the first forming slider is laterally cored under the guidance of the second forming slider.

[0014] According to some embodiments of the present invention, the guide structure includes a second slider disposed on both sides of the first molding slider, and the rear mold core is provided with a second sliding groove that cooperates with the second slider. The second sliding groove is used to guide the second slider to move in the core-pulling direction.

[0015] According to some embodiments of the present invention, the ejection assembly includes an ejector plate, sliding blocks disposed on both sides of the rear template, top blocks disposed on both sides of the ejector plate, and a pressure block disposed above the sliding blocks; when the ejector plate ejects upward, the top blocks are used to abut against the sliding blocks to drive the rear template to move upward; the pressure block is used to separate the sliding blocks from the top blocks.

[0016] According to some embodiments of the present invention, the rear template is provided with receiving grooves on both sides for accommodating the sliding block, and a spring is provided between the sliding block and the side wall of the receiving groove; the lower part of the pressing block is fixed on the fixing plate, and the upper part is provided with a first guide surface for guiding the sliding block into the receiving groove, and the sliding block is provided with a second guide surface that cooperates with the first guide surface.

[0017] This utility model has at least the following beneficial effects:

[0018] By setting a first forming slider and a second forming slider, and working together with the rear mold core to form the crossbeam and side buckles, the crossbeam and side buckles are formed in a supportive manner, and demolded under the action of the ejection structure. This avoids bending and deformation of the crossbeam caused by direct forming and core pulling, thereby ensuring the dimensional accuracy and appearance quality of the product. Attached Figure Description

[0019] Figure 1 This is a structural schematic diagram of the bottom shell product of this utility model;

[0020] Figure 2 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0021] Figure 3 This is one embodiment of the present utility model. Figure 2 Enlarged view of the area marked A in the middle;

[0022] Figure 4 This is a schematic diagram of the structure of a beam forming assembly according to an embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of the ejection assembly according to an embodiment of the present invention. Detailed Implementation

[0024] This invention provides the following description with reference to the accompanying drawings to aid in a comprehensive understanding of the various embodiments of the invention as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but these details should be considered exemplary only. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the various embodiments described herein without departing from the scope and spirit of the invention.

[0025] In the description of this utility model, the orientation descriptions, such as up, down, front, back, left, right, etc., are 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. Therefore, they should not be construed as limitations on this utility model.

[0026] It should be understood that when one element (e.g., the first element) is “connected” to another element (e.g., the second element), the element may be directly connected to the other element, or there may be an intervening element (e.g., the third element) between the element and the other element.

[0027] An embodiment of this utility model provides a molding die for the bottom shell of a vehicle refrigerator, such as... Figure 1-5 As shown, it includes: a front mold assembly, including a front template 101 and a front mold core 102 disposed below the front template 101;

[0028] The rear mold assembly includes a rear template 103, a rear mold core 104 disposed on the rear template 103, a fixing plate 105 disposed below the rear template 103, and an ejection assembly 201 disposed below the fixing plate 105.

[0029] The beam forming assembly 301 is disposed on the rear mold core 104. The beam forming assembly 301 includes a first forming slider 302 for forming the beam 401 and the side buckle 402, a second forming slider 303 that slides in cooperation with the first forming slider 302, and a guide structure 304. The first forming slider 302 is connected to the rear mold core 104, and the second forming slider 303 is connected to the fixing plate 105. When the mold is opened, the ejector assembly 201 pushes the rear mold plate 103 upward to drive the first forming slider 302 to slide upward relative to the second forming slider 303 and pull the core laterally under its guidance.

[0030] The beam forming assembly 301, through the arrangement of the first forming slider 302 and the second forming slider 303, works in conjunction with the rear mold core 104 to form the beam 401 and the side clip 402, achieving supported forming and demolding of the beam 401. This allows for quick and smooth demolding during mold opening, preventing bending and deformation of the beam 401 caused by direct core pulling, thus ensuring the dimensional accuracy and appearance quality of the product. The guide structure 304 ensures the precision and stability of the movement of the first forming slider 302 and the second forming slider 303. In this embodiment, the ejection assembly 201 ejects in stages. First, it lifts the rear mold plate 103, causing the first forming slider 302 to slide upwards. The second forming slider 303 is fixed to the fixing plate 105 and does not move. Guided by the guide structure 304, the first forming slider 302 achieves the first core pulling of the beam 401 and the side clip 402. Then, the ejection assembly 201 demolds the product, avoiding damage caused by simultaneous demolding and improving product quality.

[0031] In some embodiments, such as Figure 3 As shown, the first molding slider 302 includes a first molding part 305 for molding the side buckle 402, and the rear mold core 104 includes a second molding part 306 for cooperating with the first molding part 305 to mold the side buckle 402.

[0032] The side buckle 402 is formed by the cooperation of the first forming part 305 and the second forming part 306, which makes the side buckle 402 and its hole 403 easier to demold, reduces the sticking caused by the excessive depth of the forming structure, and makes the forming and demolding process of the side buckle 402 smoother.

[0033] Furthermore, such as Figure 3As shown, the first molding part 305 includes a first molding insert 307 for the hole 403 of the molding side buckle 402, and the second molding part 306 includes a second molding insert 308 for the molding side buckle 402.

[0034] The design of the molding insert facilitates maintenance and replacement. When the molding parts of the side buckle 402 and the hole 403 are worn or damaged, the molding insert can be quickly replaced without reprocessing the entire first molding slider 302 and the rear mold core 104, thus reducing production costs and maintenance time.

[0035] In some embodiments, such as Figure 3 As shown, the first forming slider 302 includes a third forming part 309 for forming the crossbeam 401, and the rear mold core 104 includes a fourth forming part 310 for cooperating with the third forming part 309 to form the crossbeam 401.

[0036] This split molding method is easy to process and can effectively distribute the force on the crossbeam 401 during molding and demolding. The fourth molding part 310 provides support for the crossbeam 401. During demolding, the third molding part 309 is separated laterally as the first molding slider 302 pulls out. Then the bottom of the crossbeam 401 is demolded together with the product to avoid the crossbeam 401 bending or deforming due to excessive force caused by overall demolding.

[0037] Furthermore, such as Figure 3 As shown, the first molding slider 302 includes a fifth molding part 311 for molding the inner side 404 of the bottom shell, and the second molding slider 303 includes a sixth molding part 312 for molding the inner side 404 of the bottom shell.

[0038] The first forming slider 302 and the second forming slider 303 simultaneously form the inner side 404 of the wide bottom shell product while forming the crossbeam 401 and the side buckle 402. Since the first forming slider 302 will separate from each other when pulling the core laterally, the inner side of the bottom shell can be demolded in sections to prevent sticking. The split molding also solves the problem of air trapping that is easy to occur when the inner side 404 of the bottom shell is wide.

[0039] In some embodiments, such as Figure 4 As shown, the guide structure 304 includes a first slider 313 disposed on one side of the first forming slider 302, and a first sliding groove 314 disposed on one side of the second forming slider 303 to slide in cooperation with the first slider 313. The first sliding groove 314 is inclined from bottom to top in a direction away from the first forming slider 302. Under the drive of the ejection component 201, the first forming slider 302 slides upward relative to the second forming slider 303, and the first forming slider 302 is pulled laterally under the guidance of the second forming slider 303.

[0040] In this embodiment, driven by the ejector assembly 201, the second forming slider 303 is fixed on the fixing plate 105 and does not move, while the first forming slider 302 moves up as the rear mold core 104 moves up. At this time, the inclined first sliding groove 314 design can effectively guide the first forming slider 302 to perform a smooth and accurate lateral core pulling action during demolding, avoiding jamming or damage caused by the slider movement not being smooth, and improving the reliability and service life of the mold.

[0041] In some embodiments, such as Figure 4 As shown, the guide structure 304 includes a second slider 315 disposed on both sides of the first molding slider 302, and a second sliding groove is provided on the rear mold core 104 to cooperate with the second slider 315. The second sliding groove is used to guide the second slider 315 to move in the core pulling direction.

[0042] The second slider 315, in conjunction with the second sliding groove of the rear mold core 104 in the core-pulling direction, can effectively ensure the movement accuracy and stability of the slider in the transverse core-pulling direction, and prevent core-pulling from damaging the product structure.

[0043] In some embodiments, such as Figure 5 As shown, the ejector assembly 201 includes an ejector plate 202, sliding blocks 203 disposed on both sides of the rear template 103, top blocks 204 disposed on both sides of the ejector plate 202, and a pressing block 205 disposed above the sliding blocks 203. When the ejector plate 202 is ejected upward, the top blocks 204 are used to abut against the sliding blocks 203 to drive the rear template 103 to move upward. The pressing block 205 is used to separate the sliding blocks 203 from the top blocks 204.

[0044] The top block 204 moves upward along with the ejector plate 202, and drives the rear template 103 by lifting the sliding block 203, thus achieving a smooth and reliable ejection of the rear template 103. The fixing plate 105 does not move upward with it, thereby achieving relative displacement between the first forming slider 302 on the rear template 103 and the second forming slider 303 on the fixing plate 105. Subsequently, the pressure block 205 disengages the sliding block 203 from the top block 204, preventing the rear template 103 from moving upward with the ejector plate 202, allowing the ejector plate 202 to continue ejecting the product.

[0045] Furthermore, such as Figure 5 As shown, the rear template 103 has receiving grooves 206 on both sides for accommodating the sliding block 203, and a spring is provided between the sliding block 203 and the side wall of the receiving groove 206; the lower part of the pressure block 205 is fixed on the fixing plate 105, and the upper part is provided with a first guide surface 208 for guiding the sliding block 203 into the receiving groove 206, and the sliding block 203 is provided with a second guide surface 209 that cooperates with the first guide surface 208.

[0046] The spring provides elastic support for the sliding block 203, making it more stable during ejection and resetting. The design of the first guide surface 208 and the second guide surface 209 ensures that the sliding block 203 is accurately pressed into the receiving groove 206 under the action of the pressure block 205.

[0047] The terms and words used in the foregoing description and claims are not limited to their literal meaning, but are merely used by the applicant to enable a clear and consistent understanding of the present invention. Therefore, those skilled in the art should understand that the foregoing description of various embodiments of the present invention is for illustrative purposes only, and not intended to limit the present invention as defined by the appended claims and their equivalents.

Claims

1. A mold for forming the bottom shell of a vehicle refrigerator, characterized in that, include: The front mold assembly includes a front template (101) and a front mold core (102) disposed below the front template (101); The rear mold assembly includes a rear template (103), a rear mold core (104) disposed on the rear template (103), a fixing plate (105) disposed below the rear template (103), and an ejection assembly (201) disposed below the fixing plate (105); A beam forming assembly (301) is disposed on the rear mold core (104). The beam forming assembly (301) includes a first forming slider (302) for forming the beam (401) and the side buckle (402), a second forming slider (303) that slides in cooperation with the first forming slider (302), and a guide structure (304). The first forming slider (302) is connected to the rear mold core (104), and the second forming slider (303) is connected to the fixing plate (105). When the mold is opened, the ejector assembly (201) pushes the rear mold plate (103) upward to drive the first forming slider (302) to slide upward relative to the second forming slider (303) and pull the core laterally under its guidance.

2. The vehicle refrigerator bottom shell forming mold according to claim 1, characterized in that: The first molding slider (302) includes a first molding part (305) for molding side buckle (402), and the rear mold core (104) includes a second molding part (306) for molding side buckle (402) in cooperation with the first molding part (305).

3. The vehicle refrigerator bottom shell forming mold according to claim 2, characterized in that: The first molding part (305) includes a first molding insert (307) for a hole (403) for molding the side buckle (402), and the second molding part (306) includes a second molding insert (308) for molding the side buckle (402).

4. A mold for forming the bottom shell of a vehicle refrigerator according to any one of claims 1-3, characterized in that: The first forming slider (302) includes a third forming part (309) for forming a crossbeam (401), and the rear mold core (104) includes a fourth forming part (310) for cooperating with the third forming part (309) to form the crossbeam (401).

5. The vehicle refrigerator bottom shell forming mold according to claim 4, characterized in that: The first molding slider (302) includes a fifth molding part (311) for molding the inner side (404) of the bottom shell, and the second molding slider (303) includes a sixth molding part (312) for molding the inner side (404) of the bottom shell.

6. The vehicle refrigerator bottom shell forming mold according to claim 1, characterized in that: The guide structure (304) includes a first slider (313) disposed on one side of the first forming slider (302), and a first sliding groove (314) disposed on one side of the second forming slider (303) that slides in cooperation with the first slider (313). The first sliding groove (314) is inclined from bottom to top away from the first forming slider (302). Under the drive of the ejection component (201), the first forming slider (302) slides upward relative to the second forming slider (303), and the first forming slider (302) is pulled laterally under the guidance of the second forming slider (303).

7. The vehicle refrigerator bottom shell forming mold according to claim 1, characterized in that: The guide structure (304) includes a second slider (315) disposed on both sides of the first molding slider (302), and the rear mold core (104) is provided with a second sliding groove that cooperates with the second slider (315). The second sliding groove is used to guide the second slider (315) to move in the core pulling direction.

8. The vehicle refrigerator bottom shell forming mold according to claim 1, characterized in that: The ejection assembly (201) includes an ejector plate (202), sliding blocks (203) disposed on both sides of the rear template (103), top blocks (204) disposed on both sides of the ejector plate (202), and a pressure block (205) disposed above the sliding blocks (203); when the ejector plate (202) is ejected upward, the top blocks (204) are used to abut against the sliding blocks (203) to drive the rear template (103) to move upward; the pressure block (205) is used to separate the sliding blocks (203) from the top blocks (204).

9. A mold for forming the bottom shell of a vehicle refrigerator according to claim 8, characterized in that: The rear template (103) has receiving grooves (206) on both sides for accommodating the sliding block (203), and a spring is provided between the sliding block (203) and the side wall of the receiving groove (206); the lower part of the pressing block (205) is fixed on the fixing plate (105), and the upper part is provided with a first guide surface (208) for guiding the sliding block (203) to be pressed into the receiving groove (206), and the sliding block (203) is provided with a second guide surface (209) that cooperates with the first guide surface (208).

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