CN215512121U - Plastic injection mold with rotary slide block - Google Patents
Plastic injection mold with rotary slide block Download PDFInfo
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- CN215512121U CN215512121U CN202120612982.5U CN202120612982U CN215512121U CN 215512121 U CN215512121 U CN 215512121U CN 202120612982 U CN202120612982 U CN 202120612982U CN 215512121 U CN215512121 U CN 215512121U
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Abstract
The utility model discloses a plastic injection mold with a rotary sliding block, which comprises a lower mold base, wherein a base is fixedly connected above the top of the lower mold base, a lower mold plate is fixedly connected to the top of the base, a first half mold cavity is formed in the lower mold plate, a groove is formed in the bottom end of the interior of the mold cavity, a first push plate is embedded in the groove, a cavity is formed in the base, a buffer plate is arranged at the bottom of the cavity, a second push plate is arranged at the top of the buffer plate, power assemblies are arranged at four corners of the top of the buffer plate, and each power assembly comprises a triangular crank block. When the die is opened, the pressing rod is far away from the second push plate, the second push plate moves upwards under the reaction force of the buffer plate and the buffer assembly at the bottom of the buffer plate until the first roller is abutted against the top wall inside the cavity, and at the moment, the first push plate pushes the product inside the die cavity upwards through the first push plate under the reaction force of the second push plate, so that the die is removed, and the plastic product is conveniently shaped and the product is conveniently received.
Description
Technical Field
The utility model relates to the technical field of gum injection molds, in particular to a plastic injection mold with a rotary slide block.
Background
The injection mold is a tool for producing plastic products by a plastic injection mold with a rotary slide block; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a plastic injection mold processing method with a rotary slide block used for batch production of parts with complex shapes. Specifically, a material which is melted by heating is injected into a die cavity from high pressure, and a formed product is obtained after cooling and solidification, wherein a sliding block is used in an injection die and is used for molding side recesses or side holes of a formed product. Compared with the inclined top, the sliding block has proper hardness and wear resistance and is enough to bear the friction of movement. However, the slide is a mold unit that can slide in a direction perpendicular to the mold opening and closing direction or at a certain angle to the mold opening and closing direction during mold opening operation of the mold. When the product structure enables the die to use the slide block under the condition that the die cannot be normally demolded without the slide block.
The prior art has the following defects: at present, a rotary sliding block generally arranged by a mold manufacturer is a closed cavity formed by combining a sliding block, an upper grinding tool and a lower grinding tool together, the sliding block is directly applied with force by generally rotating or displacing a control device for product demoulding, and then the force of the sliding block acts on a product body to cause product demoulding.
Therefore, it is necessary to provide a plastic injection mold with a rotary slide block.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a plastic injection mold with a rotary slide block, which solves the problems that the slide block is directly applied with force through a rotation or displacement control device in product demolding mostly, and further the force of the slide block acts on a product body to cause product demolding, the method has great damage to the product, and particularly the production quality of the product is greatly influenced in the injection mold.
In order to achieve the above purpose, the utility model provides the following technical scheme: a plastic injection mold with a rotary sliding block comprises a lower mold base, wherein a base is fixedly connected above the top of the lower mold base, a lower mold plate is fixedly connected to the top of the base, a first half mold cavity is formed in the lower mold plate, a groove is formed in the bottom end of the inner portion of the first half mold cavity, a first push plate is embedded in the groove, a through groove is formed in the bottom of the lower mold plate and penetrates through the lower mold plate, a push post is embedded in the through groove, a cavity is formed in the base, a buffer plate is arranged at the bottom of the cavity, a supporting part is fixedly connected to the top of the buffer plate, a plurality of buffer components are arranged at the bottom of the buffer plate, a second push plate is arranged at the top of the buffer plate, the bottom of the push post is fixedly connected with the second push plate, the top of the push post is fixedly connected with the first push plate, power components are arranged at four corners of the top of the buffer plate, and each power component comprises a triangular crank block, the middle of the triangular crank block is provided with a fixed block, and two ends of the triangular crank block are respectively provided with a first idler wheel and a second idler wheel.
Preferably, the top of the lower template is provided with an upper template, the top of the upper template is provided with a hydraulic lifting column, the bottom of the upper template is provided with a second half die cavity, the top of the hydraulic lifting column is fixedly connected with the upper die base, and the bottom of the hydraulic lifting column is fixedly connected with the top of the upper template.
Preferably, the triangle crank block is sequentially provided with a first fixed shaft, a second fixed shaft and a third fixed shaft, and the triangle crank block is rotatably connected with the fixed block through the second fixed shaft.
Preferably, the triangular crank block is fixedly connected with the buffer plate through a fixing block, the second roller and the supporting component are arranged at the same height, and the second roller is rotatably connected with the triangular crank block through a third fixing shaft.
Preferably, the buffering component comprises a telescopic rod, a spring is sleeved on the telescopic rod, the top of the telescopic rod is fixedly connected with the buffering plate, and the bottom of the telescopic rod is fixedly connected with the base.
Preferably, the second roller is rotatably connected with the triangular crank block through a first fixed shaft.
Preferably, a plurality of compression bars are fixedly connected to the upper template, a penetration notch matched with the compression bar is formed in the lower template, and the penetration notch is matched with the compression bar and the position of the penetration notch is matched with the compression bar.
Preferably, a sprue is arranged at the top of the upper template, the sprue is communicated with the second half mold cavity, and the first half mold cavity and the second half mold cavity are spliced to form a complete mold cavity.
Preferably, the supporting part comprises a supporting column, the top of the supporting column is fixedly connected with the bottom of the first push plate, and the bottom of the supporting column is fixedly connected with the top of the second push plate.
Preferably, the supporting part comprises a supporting cylinder, the supporting cylinder is arranged in a hollow mode, the top of the supporting cylinder is fixedly connected with the bottom of the first push plate, and the bottom of the supporting cylinder is fixedly connected with the top of the second push plate.
The utility model has the beneficial effects that:
according to the utility model, the lower template is placed on the base, meanwhile, the push plate is embedded in the lower template, when the upper template and the lower template are closed, the press rod moves downwards until the bottom of the press rod is abutted against the second push plate, the second push plate moves downwards along with the acting force of the press rod, the first push plate and the second push plate synchronously move downwards through the push column, the push plate is embedded into the groove, the upper template is further passed, the lower template and the first push plate form a complete closed die cavity, the second push plate bottom plate applies force to the second roller, the triangular crank block rotates along the second fixed shaft until the second roller is abutted against the bottom of the second push plate, when the die is opened, the second push plate is moved upwards under the action of the reaction force of the buffer plate and the buffer plate bottom buffer assembly until the first roller is abutted against the top wall in the cavity, and at the moment, the first push plate is pushed upwards through the first push plate under the action of the reaction force of the second push plate And then the drawing of patterns is accomplished, the mould of the plastic product of being convenient for and the receipts of product are expected, and is rational in infrastructure, low in manufacturing cost, easy operation, simple to operate.
Drawings
FIG. 1 is a schematic view of an overall structure of a plastic injection mold with a rotary slide block according to the present invention;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic structural diagram of a triangular crank block provided in the present invention;
fig. 5 is a schematic structural diagram of a support cylinder in embodiment 2 of the present invention.
In the figure: 1. a lower die holder; 2. a base; 3. a lower template; 4. a first mold half; 5. a first push plate; 6. pushing the column; 7. a cavity; 8. a buffer plate; 9. a second push plate; 10. a triangular crank block; 11. a first roller; 12. a second roller; 13. mounting a template; 14. a hydraulic lifting column; 15. a second mold half-cavity; 16. an upper die holder; 17. a first fixed shaft; 18. a second fixed shaft; 19. a third fixed shaft; 20. a fixed block; 21. a pressure lever; 22. a gate; 23. a support pillar; 24. a support cylinder.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Further, an upper template 13 is arranged at the top of the lower template 3, a hydraulic lifting column 14 is arranged at the top of the upper template 13, a second half mold cavity 15 is arranged at the bottom of the upper template 13, the top of the hydraulic lifting column 14 is fixedly connected with an upper mold base 16, the bottom end of the hydraulic lifting column 14 is fixedly connected with the top of the upper template 13, the upper template 13 is driven by the hydraulic lifting column 14 to move towards the lower template 3 until the upper template 13, the lower template 3 and the first push plate 5 are sealed to form a complete mold cavity, when the upper template 3 is assembled, the press rod 21 moves downwards until the bottom of the press rod 21 is abutted against the second push plate 9, the second push plate 9 moves downwards along with the acting force of the press rod 21, and the first push plate 5 and the second push plate 9 synchronously move downwards through the push column 6, so that the push plates are embedded into the grooves;
furthermore, a first fixed shaft 17, a second fixed shaft 18 and a third fixed shaft 19 are sequentially arranged on the triangular crank block 10, the triangle crank block 10 is rotatably connected with a fixed block 20 through a second fixed shaft 18, a first fixed shaft 17, the second fixed shaft 18 and a third fixed shaft 19 are arranged on the triangle block, the first fixed shaft 17 enables the first roller 11 to rotate, so that when the mould is opened, the first roller 11 is in contact with the top wall of the cavity 7, and will not scratch the base 2, the second fixed shaft 18 makes the base, the triangular crank block 10 can be rotationally adjusted through the second fixing shaft 18 until the second roller 12 is abutted against the bottom of the second push plate 9, the bottom of the second roller 12 is abutted against the buffer plate 8, and the second roller 12 can rotate due to the arrangement of the third fixing shaft 19, so that the triangular crank block 10 is prevented from scratching the buffer plate 8 and the second push plate 9;
furthermore, the triangular crank block 10 is fixedly connected with the buffer plate 8 through the fixing block 20, the second roller 12 and the supporting part are arranged at the same height, the second roller 12 is rotatably connected with the triangular crank block 10 through the third fixing shaft 19, and the triangular crank block 10 is arranged, so that the buffer plate 8 is limited during demolding, and meanwhile, an upward thrust is applied to the second push plate 9, the push column 6 and the first push plate 5 through the matching of the buffer plate 8 and the buffer component, so that a product in the mold cavity is pushed upwards through the first push plate 5, and demolding is completed;
furthermore, the buffering component comprises a telescopic rod, a spring is sleeved on the telescopic rod, the top of the telescopic rod is fixedly connected with the buffering plate 8, the bottom of the telescopic rod is fixedly connected with the base 2, the spring and the telescopic rod are matched for use, the pressure of the upper template 13 on the lower template 3 is buffered to a certain extent during die assembly, the die is prevented from being greatly damaged, the spring and the telescopic rod are in a compressed state at the moment, meanwhile, during die opening, the reaction force of the spring and the telescopic rod acts on the buffering plate 8, the second push plate 9 moves upwards under the reaction force of the buffering component at the bottoms of the buffering plate 8 and the buffering plate 8 until the second roller 12 abuts against the top wall inside the cavity 7, so that products inside the die cavity are pushed upwards through the first push plate 5, and then die stripping is completed;
further, the second roller 12 is rotatably connected with the triangular crank block 10 through a first fixed shaft 17, so that the rotation adjustment of the triangular crank block 10 is facilitated;
furthermore, a plurality of pressure rods 21 are fixedly connected to the upper template 13, a through notch matched with the pressure rods 21 is formed in the lower template 3, the through notch is matched with the pressure rods 21, the position of the through notch is matched with the pressure rods 21, and the arrangement of the pressure rods 21 enables a downward force to be applied to the second push plate 9 through the pressure plate during die assembly, so that the first push plate 5 is driven to be embedded into the groove, and a complete and closed die cavity is formed through the upper template 13, the lower template 3 and the first push plate 5;
furthermore, a sprue 22 is arranged at the top of the upper mold plate 13, the sprue 22 is communicated with the second half mold cavity 15, and the first half mold cavity 4 and the second half mold cavity 15 are spliced to form a complete mold cavity;
further, the supporting component comprises a supporting column 23, the top of the supporting column 23 is fixedly connected with the bottom of the first push plate 5, and the bottom of the supporting column 23 is fixedly connected with the top of the second push plate 9.
The using process of the utility model is as follows: when the injection molding device is used, the upper die holder 16 moves towards the lower die holder 1 through the pressure night lifting column, as the pressure rod 21 is arranged at the bottom of the upper die holder 16, the pressure rod 21 moves downwards until the bottom of the pressure rod 21 is abutted against the second push plate 9, the second push plate 9 moves downwards along with the acting force of the pressure rod 21, the first push plate 5 and the second push plate 9 synchronously move downwards through the push column 6, so that the push plates are embedded into the grooves, a complete and closed die cavity is formed by the upper die plate 13, the lower die plate 3 and the first push plate 5, the bottom plate of the second push plate 9 applies force to the second roller 12, the second roller 12 rolls at the bottom of the second push plate 9, the triangular crank block 10 rotates along the second fixed shaft 18 until the second roller 12 is abutted against the bottom of the second push plate 9, the bottom of the second roller 12 is abutted against the buffer plate 8, and injection molding is performed towards the inside of the die cavity through the pouring gate 22, after the product is stereotyped, during the die sinking, because depression bar 21 keeps away from second push plate 9, second push plate 9 receives buffer board 8 and 8 bottom buffer unit's of buffer board reaction force rebound, until second gyro wheel 12 and the inside roof butt of cavity 7, first push plate 5 makes the inside product of die cavity upwards promote through first push plate 5 owing to the reaction force that receives second push plate 9 this moment, and then accomplishes the drawing of patterns.
Embodiment 2, referring to fig. 1 to 4, the plastic injection mold with a rotary slide block provided by the utility model comprises a lower mold base 1, a base 2 is fixedly connected above the top of the lower mold base 1, a lower mold plate 3 is fixedly connected on the top of the base 2, a first half mold cavity 4 is formed on the lower mold plate 3, a groove is formed at the bottom end inside the first half mold cavity 4, a first push plate 5 is embedded inside the groove, a through groove is formed at the bottom of the lower mold plate 3 and penetrates through the lower mold plate 3, a push post 6 is embedded inside the through groove, a cavity 7 is formed on the base 2, a buffer plate 8 is arranged at the bottom of the cavity 7, a support part is fixedly connected to the top of the buffer plate 8, a plurality of buffer components are arranged at the bottom of the buffer plate 8, a second push plate 9 is arranged at the top of the buffer plate 8, and the bottom of the push post 6 is fixedly connected with the second push plate 9, the top of the push column 6 is fixedly connected with the first push plate 5, four corners of the top of the buffer plate 8 are provided with power components, each power component comprises a triangular crank block 10, the center of each triangular crank block 10 is provided with a fixing block 20, and two ends of each triangular crank block 10 are provided with a first roller 11 and a second roller 12 respectively.
Further, the supporting component comprises a supporting cylinder 24, the supporting cylinder 24 is arranged in a hollow mode, the top of the supporting cylinder 24 is fixedly connected with the bottom of the first push plate 5, and the bottom of the supporting cylinder 24 is fixedly connected with the top of the second push plate 9.
The using process of the utility model is as follows: when the upper and lower templates 3 are matched with each other, the pressing rod 21 moves downwards until the bottom of the pressing rod 21 is abutted against the second push plate 9, the second push plate 9 moves downwards along with the acting force of the pressing rod 21, the first push plate 5 and the second push plate 9 synchronously move downwards through the push column 6, so that the push plates are embedded into the grooves, and a complete and closed mold cavity is formed by the upper template 13, the lower template 3 and the first push plate 5.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a plastic injection mold with rotatory slider, includes die holder (1), its characterized in that: the die comprises a lower die holder (1), a base (2) is fixedly connected above the top of the lower die holder (1), a lower die plate (3) is fixedly connected with the top of the base (2), a first half die cavity (4) is formed in the lower die plate (3), a groove is formed in the bottom end of the interior of the first half die cavity (4), a first push plate (5) is embedded in the groove, a through groove is formed in the bottom of the lower die plate (3) and penetrates through the lower die plate (3), a push post (6) is embedded in the through groove, a cavity (7) is formed in the base (2), a buffer plate (8) is arranged at the bottom of the cavity (7), a supporting component is fixedly connected with the top of the buffer plate (8), a plurality of buffer components are arranged at the bottom of the buffer plate (8), a second push plate (9) is arranged at the top of the buffer plate (8), and the bottom of the push post (6) is fixedly connected with the second push plate (9), the push pillar (6) top and first push pedal (5) fixed connection, buffer board (8) top four corners department all is provided with power component, power component includes triangle crank piece (10), triangle crank piece (10) central authorities department is provided with fixed block (20), triangle crank piece (10) both ends are provided with first gyro wheel (11) and second gyro wheel (12) respectively.
2. The plastic injection mold with the rotary slide block as claimed in claim 1, wherein: the die is characterized in that an upper die plate (13) is arranged at the top of the lower die plate (3), a hydraulic lifting column (14) is arranged at the top of the upper die plate (13), a second half die cavity (15) is formed in the bottom of the upper die plate (13), the top of the hydraulic lifting column (14) is fixedly connected with an upper die holder (16), and the bottom end of the hydraulic lifting column (14) is fixedly connected with the top of the upper die plate (13).
3. The plastic injection mold with the rotary slide block as claimed in claim 1, wherein: the triangular crank block (10) is sequentially provided with a first fixing shaft (17), a second fixing shaft (18) and a third fixing shaft (19), and the triangular crank block (10) is rotatably connected with a fixing block (20) through the second fixing shaft (18).
4. The plastic injection mold with the rotary slide block as claimed in claim 1, wherein: the triangular crank block (10) is fixedly connected with the buffer plate (8) through a fixing block (20), the second roller (12) and the supporting component are arranged at the same height, and the second roller (12) is rotatably connected with the triangular crank block (10) through a third fixing shaft (19).
5. The plastic injection mold with the rotary slide block as claimed in claim 1, wherein: the buffer assembly comprises a telescopic rod, a spring is sleeved on the telescopic rod, the top of the telescopic rod is fixedly connected with the buffer plate (8), and the bottom of the telescopic rod is fixedly connected with the base (2).
6. The plastic injection mold with the rotary slide block as claimed in claim 1, wherein: the second roller (12) is rotatably connected with the triangular crank block (10) through a first fixed shaft (17).
7. The plastic injection mold with the rotary slide block as claimed in claim 2, wherein: the die is characterized in that a plurality of pressing rods (21) are fixedly connected to the upper die plate (13), pressing rod (21) matched penetrating notches are formed in the lower die plate (3), and the positions, matched with the pressing rods (21), of the penetrating notches are matched with the pressing rods (21) and the positions, matched with the pressing rods (21), of the penetrating notches.
8. The plastic injection mold with the rotary slide block as claimed in claim 2, wherein: and a pouring gate (22) is arranged at the top of the upper template (13), the pouring gate (22) is communicated with the second half die cavity (15), and the first half die cavity (4) and the second half die cavity (15) are spliced to form a complete die cavity.
9. The plastic injection mold with the rotary slide block as claimed in claim 1, wherein: the supporting component comprises a supporting column (23), the top of the supporting column (23) is fixedly connected with the bottom of the first push plate (5), and the bottom of the supporting column (23) is fixedly connected with the top of the second push plate (9).
10. The plastic injection mold with the rotary slide block as claimed in claim 1, wherein: the supporting part comprises a supporting cylinder (24), the supporting cylinder (24) is arranged in a hollow mode, the top of the supporting cylinder (24) is fixedly connected with the bottom of the first push plate (5), and the bottom of the supporting cylinder (24) is fixedly connected with the top of the second push plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120612982.5U CN215512121U (en) | 2021-03-25 | 2021-03-25 | Plastic injection mold with rotary slide block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120612982.5U CN215512121U (en) | 2021-03-25 | 2021-03-25 | Plastic injection mold with rotary slide block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215512121U true CN215512121U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120612982.5U Active CN215512121U (en) | 2021-03-25 | 2021-03-25 | Plastic injection mold with rotary slide block |
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| Country | Link |
|---|---|
| CN (1) | CN215512121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939960A (en) * | 2022-05-17 | 2022-08-26 | 苏州纳科华模具有限公司 | Mould for manufacturing plastic products |
-
2021
- 2021-03-25 CN CN202120612982.5U patent/CN215512121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939960A (en) * | 2022-05-17 | 2022-08-26 | 苏州纳科华模具有限公司 | Mould for manufacturing plastic products |
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