Baby carriage plastic part super-long inclined sliding block core-pulling injection molding mold

Abstract

The utility model provides a baby carriage plastic part overlong inclined slide block core-pulling injection molding mould, which comprises an upper mould, a lower mould, a cylinder and a forming rod, a cavity for part forming is formed between the upper mould and the lower mould, the forming rod is used for penetrating into the cavity, the cylinder is fixed on the side wall of the lower mould, and the cylinder is fixed on the side wall of the lower mould. The length direction of the air cylinder is arranged in the width direction of the lower die, a telescopic shaft of the air cylinder is connected with a sliding block, the sliding block is provided with a first inclined face, the lower die is fixedly connected with a supporting block, the supporting block is provided with a containing groove used for containing the sliding block, the supporting block is provided with a second inclined face, and the supporting block is fixedly connected with the lower die. A guide block is slidably connected to the second inclined face and fixedly connected with the forming rod, the sliding direction of the guide block is parallel to the axial direction of the forming rod, and the end, away from the forming rod, of the guide block abuts against the first inclined face, so that the purpose of facilitating die installation is achieved.

Description

Technical Field

[0001] This utility model relates to injection molds, and in particular, to an injection mold for making extra-long inclined slider core-pulling parts for children's strollers. Background Art

[0002] Currently, Chinese patent CN221913069U discloses a flexibly adjustable plastic worm gear injection mold, including a lower mold base and an upper mold base slidably sleeved on the lower mold base. The plastic worm gear injection mold also includes rectangular limiting grooves formed on the lower mold base and the upper mold base, and a mold assembly slidably installed in the lower mold base and the upper mold base. The mold assembly includes a positioning frame slidably installed in the lower mold base and the upper mold base, with multiple injection mold shells fitted in the positioning frame, and the positioning frame is provided with an elastic limiting component. The lower mold base and the upper mold base are provided with an ejection mechanism that pushes the injection mold shells to move longitudinally and fit into the rectangular limiting groove. The lower mold base and the upper mold base are provided with a moving mechanism, which is used to control the movement of the mold assembly and make different injection mold shells correspond vertically to the rectangular limiting groove.

[0003] This injection mold can be adjusted to match the size and model of the plastic worm gear being produced, making the operation flexible and convenient.

[0004] But for production as attached Figure 1 When showing part 1 of a children's stroller plastic component, since part 1 has an oblique hole 11, and the oblique hole 11 is relatively long, the current method is to fix the forming rod to the telescopic shaft of the cylinder, and then tilt the cylinder and fix it to the lower mold so that the forming rod extends into the cavity. Because the cylinder is tilted and not along the length or width of the mold, it is inconvenient to install the mold on the injection molding machine. Furthermore, the tilted placement of the cylinder causes uneven force distribution, resulting in torsional force on the mold and making the connection between the mold and the injection molding machine unstable. Utility Model Content

[0005] In view of this, the purpose of this utility model is to provide an extra-long inclined slider core-pulling injection molding mold for children's stroller plastic parts, so as to facilitate installation.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is: an ultra-long inclined slider core-pulling injection molding mold for children's stroller plastic parts, including an upper mold, a lower mold, a cylinder, and a forming rod. A cavity for forming the part is formed between the upper mold and the lower mold. The forming rod is used to penetrate into the cavity. The cylinder is fixed to the side wall of the lower mold. The length direction of the cylinder is set along the width direction of the lower mold. The telescopic shaft of the cylinder is connected to a slider. A first inclined surface is formed on the slider. A support block is fixedly connected to the lower mold. A placement groove for placing the slider is formed on the support block. A second inclined surface is formed on the support block. A guide block is slidably connected to the second inclined surface. The guide block is fixedly connected to the forming rod. The sliding direction of the guide block is parallel to the axial direction of the forming rod. The end of the guide block away from the forming rod abuts against the first inclined surface.

[0007] To achieve the above technical solution, the guide block is fixedly connected to the forming rod, the support block is fixed to the lower mold, the slider is connected to the telescopic shaft, and the cylinder is fixed to the lower mold and set along the width direction of the lower mold. When the cylinder is turned on, the telescopic shaft extends, and the slider moves along the width direction of the lower mold. Through the setting of the first and second inclined surfaces, the end of the guide block slides along the first inclined surface, and at the same time, the guide block moves along the second inclined surface, causing the guide block to drive the forming rod to move, so that the forming rod enters the cavity until the first inclined surface abuts against the support block. After injection molding is completed, the cylinder drives the telescopic shaft to retract. Similarly, the forming rod can be moved away from the cavity along its own axis, thereby obtaining an inclined hole on the part. The installation is convenient and the operation is simple.

[0008] As a preferred embodiment of this utility model, a guide strip with a T-shaped cross-section is fixedly connected to the first inclined surface. The length direction of the guide strip is parallel to the length direction of the first inclined surface. A guide groove is provided on the guide block, and the guide strip is slidably connected in the guide groove.

[0009] To achieve the above technical solution, the guide groove on the guide block is moved along the length of the guide strip, so that the guide block moves more smoothly along the second inclined surface and is less likely to cause damage to the inclined hole by the forming rod.

[0010] As a preferred embodiment of this utility model, the slider is provided with a slot, the slot has a T-shaped cross-section, a block is slidably connected in the slot, the block passes through the slot and is threadedly connected to the telescopic shaft, and the end of the telescopic shaft abuts against the slider.

[0011] To achieve the above technical solution, the locking block is aligned with the telescopic shaft along the locking groove, and then the locking block and the telescopic shaft are threaded together, so that the slider is clamped by the locking block and the telescopic shaft, so as to facilitate the installation and disassembly of the slider and the telescopic shaft, thereby facilitating the replacement of the slider.

[0012] As a preferred embodiment of this utility model, a first hook is fixedly connected to the outer wall of the card block, and a plurality of the first hooks are evenly distributed along the axis of the card block. A second hook is fixedly connected to the outer wall of the telescopic shaft, and an elastic element is connected between the first hook and the second hook.

[0013] To achieve the above technical solution, the two ends of the elastic element are fixedly connected to the first hook and the second hook respectively. Through the elastic force of the elastic element, the locking block will continue to rotate, so that the locking block is not easy to separate from the telescopic shaft.

[0014] As a preferred embodiment of this utility model, the lower mold is provided with an elastic structure for supporting the slider.

[0015] To achieve the above technical solution, during the injection molding process, the cylinder can remain closed by supporting the slider through an elastic structure, thereby reducing energy consumption.

[0016] As a preferred embodiment of this utility model, the elastic structure includes a sliding hole, a telescopic block, and an assisting inclined surface. The sliding hole is opened on the lower mold and located on the side of the slider. The telescopic block is slidably connected in the sliding hole. The telescopic block and the inner wall of the sliding hole are connected by an elastic element. The assisting inclined surface is opened at the end of the telescopic block away from the elastic element and is used to abut against the end of the slider.

[0017] To achieve the above technical solution, the cylinder is activated, and the slider moves along the width direction of the lower mold. The assisting inclined surface abuts against the end of the slider, which in turn causes the telescopic block to move closer to the sliding hole. Through the elastic force of the elastic element, the end of the telescopic block abuts against the side wall of the slider. After the forming rod enters the cavity, the slider abuts against the support block. At this time, through the elastic force of the elastic element, the telescopic block moves away from the sliding hole, causing the assisting inclined surface to abut against the end of the slider away from the support block, thereby providing support for the slider.

[0018] As a preferred embodiment of this utility model, the end of the telescopic block is rotatably connected to a connecting wheel, which is used to abut against the side wall of the slider.

[0019] The above technical solution reduces wear between the slider and the telescopic block. Attached Figure Description

[0020] Figure 1 This is a structural schematic diagram of the part;

[0021] Figure 2 This is a schematic diagram of the external structure of this utility model;

[0022] Figure 3 This is a schematic diagram illustrating the connection structure between the part and the forming rod;

[0023] Figure 4 This is a schematic diagram illustrating the connection structure between the guide block and the forming rod;

[0024] Figure 5 To illustrate the structure of the elastic element;

[0025] Figure 6 A cross-sectional schematic diagram to illustrate the elastic structure.

[0026] Reference numerals: 1. Part; 11. Slanted hole; 21. Upper mold; 22. Lower mold; 23. Cylinder; 24. Forming rod; 31. Telescopic shaft; 32. Slider; 33. Slot; 34. Block; 41. First hook; 42. Second hook; 43. Elastic element; 51. First inclined surface; 52. Support block; 521. Second inclined surface; 53. Placement groove; 54. Guide block; 541. Guide groove; 55. Guide strip; 6. Elastic structure; 61. Sliding hole; 62. Telescopic block; 63. Assisting inclined surface; 64. Elastic element; 7. Connecting wheel. DETAILED DESCRIPTION

[0027] The following is in conjunction with the appendix Figure 2 - Appendix Figure 6 The specific embodiments of this utility model will be further described in detail to make the technical solution of this utility model easier to understand and master.

[0028] A long, angled slider core-pulling injection molding die for a children's stroller plastic part includes an upper mold 21, a lower mold 22, a cylinder 23, and a forming rod 24. A cavity for molding part 1 is formed between the upper mold 21 and the lower mold 22; the forming rod 24 is inserted into the cavity, and after injection molding, the forming rod 24 is pulled out from the cavity, thus obtaining an angled hole 11 on part 1.

[0029] Cylinder 23 is fixed to the side wall of lower mold 22, and the length of cylinder 23 is set along the width of lower mold 22. The telescopic shaft 31 of cylinder 23 is connected to slider 32. A slot 33 is provided on slider 32, and the cross-section of slot 33 is T-shaped. A locking block 34 is slidably connected in slot 33. When slot 33 corresponds to telescopic shaft 31, locking block 34 passes through slot 33 and is threadedly connected to telescopic shaft 31. The end of telescopic shaft 31 abuts against slider 32.

[0030] A first hook 41 is fixedly connected to the outer wall of the locking block 34, and multiple first hooks 41 are evenly distributed along the axis of the locking block 34. A second hook 42 is fixedly connected to the outer wall of the telescopic shaft 31. An elastic element 43 is connected between the first hook 41 and the second hook 42. The elastic element 43 is a spring, and it continuously applies a spring force to tighten the locking block 34 on the telescopic shaft 31, so that the locking block 34 is not easily released from the telescopic shaft 31.

[0031] A first inclined surface 51 is provided at the end of the slider 32 away from the telescopic shaft 31. A support block 52 is fixedly connected to the lower mold 22 and is disposed opposite to the slider 32. A placement groove 53 for placing the slider 32 is provided on the support block 52.

[0032] A second inclined surface 521 is provided on the support block 52, and a guide block 54 is slidably connected to the second inclined surface 521. The guide block 54 is fixedly connected to the forming rod 24. The sliding direction of the guide block 54 is parallel to the axial direction of the forming rod 24.

[0033] A T-shaped guide strip 55 is fixedly connected to the first inclined surface 51. The length direction of the guide strip 55 is parallel to the length direction of the first inclined surface 51. A T-shaped guide groove 541 is provided on the guide block 54, and the guide strip 55 is slidably connected in the guide groove 541.

[0034] The lower mold 22 is provided with an elastic structure 6 for supporting the slider 32. This elastic structure 6 includes a sliding hole 61, a telescopic block 62, and an assisting inclined surface 63. The sliding hole 61 is formed on the lower mold 22 and located laterally to the slider 32; the cross-section of the sliding hole 61 is square. The telescopic block 62 is slidably connected within the sliding hole 61, and the telescopic block 62 is connected to the inner wall of the sliding hole 61 by an elastic element 64, which is located inside the sliding hole 61 and is a spring. The assisting inclined surface 63 is formed at the end of the telescopic block 62 away from the elastic element 64 and is used to abut against the end of the slider 32.

[0035] A connecting wheel 7 is rotatably connected to the end of the telescopic block 62. The connecting wheel 7 is used to abut against the side wall of the slider 32. The connecting wheel 7 is located between the two assisting inclined surfaces 63.

[0036] Of course, the above are just typical examples of this utility model. In addition, this utility model may have many other specific implementation methods. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed by this utility model.

Claims

1. A long inclined slider core-pulling injection molding mold for a children's stroller plastic part, comprising an upper mold (21), a lower mold (22), a cylinder (23), and a forming rod (24), wherein a cavity for forming part (1) is formed between the upper mold (21) and the lower mold (22), and the forming rod (24) is used to penetrate into the cavity, characterized in that: The cylinder (23) is fixed to the side wall of the lower mold (22). The length direction of the cylinder (23) is set along the width direction of the lower mold (22). The telescopic shaft (31) of the cylinder (23) is connected to a slider (32). A first inclined surface (51) is provided on the slider (32). A support block (52) is fixedly connected to the lower mold (22). A placement groove (53) for placing the slider (32) is provided on the support block (52). A second inclined surface (521) is provided on the support block (52). A guide block (54) is slidably connected to the second inclined surface (521). The guide block (54) is fixedly connected to the forming rod (24). The sliding direction of the guide block (54) is parallel to the axial direction of the forming rod (24). The end of the guide block (54) away from the forming rod (24) abuts against the first inclined surface (51).

2. The extra-long inclined slider core-pulling injection mold for children's stroller plastic parts according to claim 1, characterized in that: A T-shaped guide strip (55) is fixedly connected to the first inclined surface (51). The length direction of the guide strip (55) is parallel to the length direction of the first inclined surface (51). A guide groove (541) is provided on the guide block (54). The guide strip (55) is slidably connected in the guide groove (541).

3. The extra-long inclined slider core-pulling injection mold for children's stroller plastic parts according to claim 1, characterized in that: The slider (32) is provided with a slot (33), the slot (33) has a T-shaped cross section, and a block (34) is slidably connected in the slot (33). The block (34) passes through the slot (33) and is threadedly connected to the telescopic shaft (31). The end of the telescopic shaft (31) abuts against the slider (32).

4. The extra-long inclined slider core-pulling injection mold for children's stroller plastic parts according to claim 3, characterized in that: A first hook (41) is fixedly connected to the outer wall of the card block (34), and multiple first hooks (41) are evenly distributed along the axis of the card block (34). A second hook (42) is fixedly connected to the outer wall of the telescopic shaft (31), and an elastic element (43) is connected between the first hook (41) and the second hook (42).

5. The extra-long inclined slider core-pulling injection mold for children's stroller plastic parts according to claim 4, characterized in that: The lower mold (22) is provided with an elastic structure (6) for supporting the slider (32).

6. The extra-long inclined slider core-pulling injection mold for children's stroller plastic parts according to claim 5, characterized in that: The elastic structure (6) includes a sliding hole (61), a telescopic block (62), and an assisting inclined surface (63). The sliding hole (61) is opened on the lower mold (22) and located on the side of the slider (32). The telescopic block (62) is slidably connected in the sliding hole (61). The telescopic block (62) and the inner wall of the sliding hole (61) are connected by an elastic member (64). The assisting inclined surface (63) is opened at the end of the telescopic block (62) away from the elastic member (64) and is used to abut against the end of the slider (32).

7. The extra-long inclined slider core-pulling injection mold for children's stroller plastic parts according to claim 6, characterized in that: The end of the telescopic block (62) is rotatably connected to a connecting wheel (7), which is used to abut against the side wall of the slider (32).

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