CN216373080U - A stub bar automatically cropped structure for injection mold - Google Patents
A stub bar automatically cropped structure for injection mold Download PDFInfo
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- CN216373080U CN216373080U CN202122990684.2U CN202122990684U CN216373080U CN 216373080 U CN216373080 U CN 216373080U CN 202122990684 U CN202122990684 U CN 202122990684U CN 216373080 U CN216373080 U CN 216373080U
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- stub bar
- fixedly connected
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Abstract
The utility model discloses an automatic stub bar shearing structure for an injection mold, which comprises an upper panel, an upper mold, a lower mold, a bearing plate, an ejector plate and a bottom plate, wherein the upper panel is fixedly connected with the upper mold through a fixing bolt, a mold cavity is formed between the upper mold and the lower mold, a shearing mechanism is arranged above the ejector plate and comprises a limiting groove formed in the top, the bottom of the inner wall of the limiting groove is fixedly connected with a hydraulic press, the output end of the hydraulic press penetrates through the upper part of the ejector plate, and the output end of the hydraulic press is rotatably connected with a rotating cylinder. This a stub bar automatically cropped structure for injection mold moulds plastics and accomplishes the back, and the hydraulic press promotes to rotate the disk and removes, under the cooperation of arc track and guide block for the shearing cutter rotates, thereby cuts off stub bar part and moulding product, thereby the quick stub bar that cuts off has improved the efficiency of the flow of moulding plastics, and need not reuse the higher feeding agencies of cost.
Description
Technical Field
The utility model relates to the technical field of stub bar shearing, in particular to an automatic stub bar shearing structure for an injection mold.
Background
When the stub bar is an injection molding product, the product can be molded through one runner in a mold, half of the product is the runner, and the molded product formed after the runner is cooled is called a water gap and is also commonly called the stub bar or the stub bar. Generally, the material is discarded or crushed and formed again.
In the injection molding process, the stub bar generated after the runner is cooled after the injection molding is finished needs an external material taking mechanism to take out the stub bar and then cut the stub bar, so that the process flow is complicated, and the cost of the existing material taking mechanism is high.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an automatic stub bar shearing structure for an injection mold, which solves the problem that the stub bar shearing process is complicated after injection molding is finished.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a stub bar automatic cutout structure for injection mold includes top panel, last mould, lower mould, bearing plate, thimble board and bottom plate, top panel passes through fixing bolt fixed connection with last mould, the die cavity has been seted up between last mould and the lower mould, thimble board top is provided with shearing mechanism, shearing mechanism is including seting up the spacing groove inside the top, the bottom fixedly connected with hydraulic press of spacing inslot wall, the hydraulic press output runs through to thimble board top, the hydraulic press output rotates and is connected with the rotation cylinder, the rotation cylinder runs through bearing plate and lower mould and extends to the lower mould inside, the one end fixedly connected with shearing tool of hydraulic press is kept away from at the rotation cylinder top.
Preferably, the surface of the rotating cylinder is provided with an arc-shaped track, the lower die is internally and fixedly connected with a guide block through a clamping groove, and the protruding part of the guide block is matched with the arc-shaped track.
Preferably, the top of the upper panel is slidably connected with an injection molding nozzle, a runner is arranged inside the injection molding nozzle and communicated with the mold cavity, and the injection molding nozzle penetrates through the upper panel and the upper mold.
Preferably, go up the inside two spouts of having seted up of mould, two the spout is located the left and right sides of the mouth of moulding plastics respectively, the left and right sides difference fixedly connected with connecting plate of the mouth of moulding plastics, the top and the bottom fixedly connected with slide bar of spout inner wall, connecting plate and slide bar surface sliding connection, the surface cover that the slide bar is located between the top of spout inner wall and the relative one side of connecting plate is equipped with reset spring.
Preferably, bottom plate top fixedly connected with guide arm, the guide arm runs through bearing plate, lower mould and last mould and extends to the mould cavity inside, the bottom fixed connection of thimble board and bearing plate inner wall, thimble board top fixed connection has the thimble, the thimble top runs through bearing plate, lower mould and last mould and extends to the die cavity below.
Preferably, the top of the upper panel is fixedly connected with a positioning ring.
Advantageous effects
The utility model provides an automatic stub bar shearing structure for an injection mold. Compared with the prior art, the method has the following beneficial effects:
(1) this a stub bar automatic cutout structure for injection mold, including seting up the spacing groove at the inside of top through shearing the mechanism, the bottom fixedly connected with hydraulic press of spacing inslot wall, the hydraulic press output runs through to thimble board top, the hydraulic press output rotates and is connected with the rotation cylinder, it runs through bearing plate and lower mould and extends to inside the lower mould to rotate the cylinder, the one end fixedly connected with shearing tool who keeps away from the hydraulic press rotates the cylinder top, the completion back of moulding plastics, the hydraulic press promotes and rotates the circle piece and removes, under the cooperation of arc track and guide block, make shearing tool rotate, thereby cut off stub bar part and finished product, thereby quick cutting off the stub bar, the efficiency of the flow of moulding plastics has been improved, and need not reuse the higher feeding agencies of cost.
(2) This a stub bar automatically cropped structure for injection mold, through last mould inside two spouts of having seted up, two spouts are located the left and right sides of the mouth of moulding plastics respectively, the left and right sides difference fixedly connected with connecting plate of the mouth of moulding plastics, the top and the bottom fixedly connected with slide bar of spout inner wall, connecting plate and slide bar surface sliding connection, the top that the slide bar is located the spout inner wall is equipped with reset spring with the surface cover between the relative one side of connecting plate, the cutter is when the top is cut the stub bar in rebound and rotation, make the mouth rebound of moulding plastics, thereby made things convenient for the shearing to the stub bar, and let easier separation between runner and the stub bar, reliability when the device used has been improved.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is an enlarged view of the utility model at a.
In the figure: 1 upper panel, 2 upper dies, 3 lower dies, 4 bearing plates, 5 ejector plates, 6 bottom plates, 7 die cavities, 8 shearing mechanisms, 81 limiting grooves, 82 hydraulic presses, 83 rotating cylinders, 84 shearing cutters, 85 arc-shaped rails, 86 guide blocks, 9 injection molding nozzles, 10 runners, 11 sliding grooves, 12 connecting plates, 13 sliding rods, 14 reset springs, 15 guide rods, 16 ejector pins and 17 positioning rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an automatic stub bar shearing structure for an injection mold comprises an upper panel 1, an upper mold 2, a lower mold 3, a bearing plate 4, an ejector plate 5 and a bottom plate 6, wherein the upper panel 1 and the upper mold 2 are fixedly connected through a fixing bolt, a mold cavity 7 is arranged between the upper mold 2 and the lower mold 3, a shearing mechanism 8 is arranged above the ejector plate 5, the shearing mechanism 8 comprises a limiting groove 81 arranged inside the top, a hydraulic press 82 is fixedly connected to the bottom of the inner wall of the limiting groove 81, the output end of the hydraulic press 82 penetrates above the ejector plate 5, the output end of the hydraulic press 82 is rotatably connected with a rotating cylinder 83, the rotating cylinder 83 penetrates through the bearing plate 4 and the lower mold 3 and extends into the lower mold 3, a shearing tool 84 is fixedly connected to one end of the top of the rotating cylinder 83, which is far away from the hydraulic press 82, the size of the shearing tool 84 is consistent with the length of the stub bar, an arc-shaped track 85 is arranged on the surface of the rotating cylinder 83, the interior of the lower die 3 is fixedly connected with a guide block 86 through a clamping groove, and the protruding part of the guide block 86 is matched with the arc-shaped track 85.
The top of the upper panel 1 is slidably connected with an injection molding nozzle 9, a runner 10 is arranged inside the injection molding nozzle 9, the runner 10 is communicated with the mold cavity 7, and the injection molding nozzle 9 penetrates through the upper panel 1 and the upper mold 2.
Go up mould 2 inside and seted up two spout 11, two spout 11 are located the left and right sides of moulding plastics mouth 9 respectively, and the left and right sides of moulding plastics mouth 9 is fixedly connected with connecting plate 12 respectively, and the top and the bottom fixedly connected with slide bar 13 of spout 11 inner wall, connecting plate 12 and slide bar 13 surface sliding connection, and the surface cover that slide bar 13 is located between the top of spout 11 inner wall and the relative one side of connecting plate 12 is equipped with reset spring 14.
The top of the bottom plate 6 is fixedly connected with a guide rod 15, the guide rod 15 penetrates through the bearing plate 4, the lower die 3 and the upper die 2 and extends to the inside of the upper die 2, the ejector pin plate 5 is fixedly connected with the bottom of the inner wall of the bearing plate 4, the top of the ejector pin plate 5 is fixedly connected with an ejector pin 16, the top of the ejector pin 16 penetrates through the bearing plate 4, the lower die 3 and the upper die and extends to the lower side of the die cavity 7, and the top of the upper panel 1 is fixedly connected with a positioning ring 17.
During the use, through moulding plastics mouth 9, mould plastics, plastic solution gets into in the die cavity 7 through runner 10, the inside product that forms of die cavity 7 after cooling, form the stub bar in the runner 10, before the drawing of patterns, the shearing of stub bar is carried out earlier, hydraulic press 82 starts, hydraulic press 82 work promotes rotation cylinder 83 rebound, and through the cooperation of guide block 86 with arc track 85, make rotation cylinder 83 rebound and rotate simultaneously, thereby make shearing cutter 84 work and cut, make product and stub bar separation, shearing cutter 84 rebound, the stub bar promotes the stub bar rebound when being cut, and promote to mould plastics mouth 9 rebound, ensure that can fine separation between stub bar and the runner 10, and when the drawing of patterns, reset spring 14 makes the mouth 9 that moulds plastics reset.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a stub bar automatic cutout structure for injection mold, includes top panel (1), goes up mould (2), lower mould (3), bearing plate (4), thimble board (5) and bottom plate (6), top panel (1) and last mould (2) pass through fixing bolt fixed connection, mould cavity (7), its characterized in that have been seted up between last mould (2) and lower mould (3): thimble board (5) top is provided with shears mechanism (8), shear mechanism (8) including offering at the inside spacing groove (81) in top, bottom fixedly connected with hydraulic press (82) of spacing groove (81) inner wall, hydraulic press (82) output runs through to thimble board (5) top, hydraulic press (82) output rotates and is connected with rotation cylinder (83), it runs through bearing plate (4) and lower mould (3) and extends to inside lower mould (3) to rotate cylinder (83), the one end fixedly connected with shearing tool (84) of hydraulic press (82) are kept away from at rotation cylinder (83) top.
2. The automatic stub bar shearing structure for the injection mold as recited in claim 1, wherein: arc-shaped rails (85) are arranged on the surface of the rotating cylinder (83), guide blocks (86) are fixedly connected inside the lower die (3) through clamping grooves, and protruding parts of the guide blocks (86) are matched with the arc-shaped rails (85).
3. The automatic stub bar shearing structure for the injection mold as recited in claim 1, wherein: the injection molding device is characterized in that an injection molding nozzle (9) is connected to the top of the upper panel (1) in a sliding mode, a runner (10) is arranged inside the injection molding nozzle (9), the runner (10) is communicated with the mold cavity (7), and the injection molding nozzle (9) penetrates through the upper panel (1) and the upper mold (2).
4. The automatic stub bar shearing structure for the injection mold as recited in claim 3, wherein: go up mould (2) inside two spout (11) of having seted up, two spout (11) are located the left and right sides of moulding plastics mouth (9) respectively, the left and right sides of moulding plastics mouth (9) is fixedly connected with connecting plate (12) respectively, the top and the bottom fixedly connected with slide bar (13) of spout (11) inner wall, connecting plate (12) and slide bar (13) surface sliding connection, the surface cover that slide bar (13) are located between the top of spout (11) inner wall and connecting plate (12) one side relatively is equipped with reset spring (14).
5. The automatic stub bar shearing structure for the injection mold as recited in claim 1, wherein: bottom plate (6) top fixedly connected with guide arm (15), guide arm (15) run through bearing plate (4), lower mould (3) and last mould (2) and extend to inside upper mould (2), thimble board (5) and the bottom fixed connection of bearing plate (4) inner wall, thimble (16) are connected to thimble board (5) top fixed connection, thimble (16) top runs through bearing plate (4), lower mould (3) and last mould (2) and extends to die cavity (7) below.
6. The automatic stub bar shearing structure for the injection mold as recited in claim 1, wherein: the top of the upper panel (1) is fixedly connected with a positioning ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122990684.2U CN216373080U (en) | 2021-12-01 | 2021-12-01 | A stub bar automatically cropped structure for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122990684.2U CN216373080U (en) | 2021-12-01 | 2021-12-01 | A stub bar automatically cropped structure for injection mold |
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| Publication Number | Publication Date |
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| CN216373080U true CN216373080U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122990684.2U Active CN216373080U (en) | 2021-12-01 | 2021-12-01 | A stub bar automatically cropped structure for injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116461049A (en) * | 2023-05-08 | 2023-07-21 | 深圳恒佳精密模具注塑有限公司 | Circulating type anti-leakage double-color injection mold |
-
2021
- 2021-12-01 CN CN202122990684.2U patent/CN216373080U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116461049A (en) * | 2023-05-08 | 2023-07-21 | 深圳恒佳精密模具注塑有限公司 | Circulating type anti-leakage double-color injection mold |
| CN116461049B (en) * | 2023-05-08 | 2024-04-30 | 深圳恒佳精密模具注塑有限公司 | Circulating type anti-leakage double-color injection mold |
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