CN220904012U - Product demoulding mechanism applied to injection mould - Google Patents
Product demoulding mechanism applied to injection mould Download PDFInfo
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- CN220904012U CN220904012U CN202322961795.XU CN202322961795U CN220904012U CN 220904012 U CN220904012 U CN 220904012U CN 202322961795 U CN202322961795 U CN 202322961795U CN 220904012 U CN220904012 U CN 220904012U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- 238000002347 injection Methods 0.000 title claims abstract description 29
- 239000007924 injection Substances 0.000 title claims abstract description 29
- 238000001746 injection moulding Methods 0.000 claims abstract description 9
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of demolding mechanisms, in particular to a product demolding mechanism applied to an injection mold. The injection molding machine comprises a fixed die, wherein a movable die matched with the fixed die is arranged on the side of the fixed die, an injection molding cavity is formed by matching the fixed die with the movable die, and a demolding mechanism for demolding an injection molding product is arranged in the movable die; the demolding mechanism comprises a push plate which is arranged at the side of the movable mold in a sliding manner, a through groove which is matched with the core on the movable mold is formed in the push plate, four ejector pins which are distributed in a rectangular manner are arranged on the side surface of the push plate, and the other ends of the ejector pins penetrate into the movable mold to be fixed with a panel; the ejector mechanism also includes a drive member that moves the pusher plate. The problem of the manual mode of drawing of patterns to the product that the sticking mould appears or block partially, intensity of labour has been increased, drawing of patterns efficiency has been reduced is solved.
Description
Technical Field
The utility model relates to the technical field of demolding mechanisms, in particular to a product demolding mechanism applied to an injection mold.
Background
The demolding mechanism of the injection mold has the effect of ensuring that the injection part can be smoothly and completely separated from the mold, reducing damage to the injection part and abrasion of the mold, and different demolding structures may be required for different parts and mold structures so as to achieve the optimal demolding effect.
The existing in the production process of cup products by using injection molds, the ejector pins are utilized to push the formed products to be separated from the molds, but due to the fact that the height of the cups is long, cooling temperature has a certain influence on demolding effects in the demolding process of the products, the ejector pins are used for pushing the formed products, part of the products are easy to be blocked on moving mold cores or sticking molds due to the fact that the moving distance is short or the cooling degree of the products is insufficient, the products of which the part cannot be smoothly demolded need to be manually taken out, labor intensity is increased in the manual secondary demolding process, time cost of the demolding process is increased, and influence is caused on demolding efficiency.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a product demoulding mechanism applied to an injection mould, which solves the problems that the labor intensity is increased and the demoulding efficiency is reduced due to the fact that a part of products with sticking or clamping are manually demoulded.
(II) technical scheme
In order to make up for the defects, the utility model provides the following technical scheme: the product demoulding mechanism comprises a fixed mould, wherein a movable mould matched with the fixed mould is arranged on the side of the fixed mould, and a demoulding mechanism for demoulding an injection product is arranged in the movable mould;
The demolding mechanism comprises a push plate which is arranged at the side of the movable mold in a sliding manner, a through groove which is matched with the core on the movable mold is formed in the push plate, four ejector pins which are distributed in a rectangular manner are arranged on the side surface of the push plate, and the other ends of the ejector pins penetrate into the movable mold to be fixed with a panel;
the ejector mechanism also includes a drive member that moves the pusher plate.
Preferably, the driving part comprises a bottom plate fixed on the side surface of the panel, a piston rod is arranged on the side surface of the bottom plate, and a spring sleeved on the outer circular surface of the ejector pin is fixed between the other side surface of the panel and the movable die and used for realizing reset of the push plate.
Preferably, the cross section of the front surface of the through groove is isosceles trapezoid, and the inclined inner wall of the through groove is attached to the outer surface of the core, so that the push plate can stably move to realize quick demoulding.
Preferably, the two side surfaces of the movable mold are respectively fixed with a connecting plate, the side surfaces of the connecting plates are in sliding connection with the side surfaces of the fixed mold, the side surfaces of the connecting plates are respectively fixed with an air cylinder, and the extension ends of the air cylinders penetrate through the connecting plates and can move to the movable mold core.
Preferably, the extension end of the cylinder is fixed with a U-shaped frame, a gap for storing the U-shaped frame is reserved between the connecting plate and the movable mould, two end points of the U-shaped frame correspond to the tail end positions of the movable mould core, and the U-shaped frame is used for pushing an injection molding product adhered to the surface of the push plate to realize demoulding.
Preferably, rubber pads are fixed at two protruding positions of the opening side of the U-shaped frame, and the rubber pads are semicircular and are used for protecting injection products.
(III) beneficial effects
Compared with the prior art, the utility model provides a product demoulding mechanism applied to an injection mould, which has the following beneficial effects:
After the product is moulded plastics and is accomplished, promote the thimble through the piston rod and remove, the push pedal removes under the promotion of thimble and makes the shaping product inner wall keep away from movable mould core outer wall, accomplishes the drawing of patterns, when partial product is glued or is blocked in the push pedal because of cooling temperature influence, control cylinder makes U-shaped frame and product outer wall contact, promotes the product and keeps away from the push pedal, reduces manual operation step, improves drawing of patterns efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is an overall schematic view of an injection mold according to the present utility model;
FIG. 2 is a side cross-sectional view of a movable mold according to the present utility model;
fig. 3 is a partial perspective view of a release mechanism according to the present utility model.
Reference numerals illustrate:
1. A fixed mold; 2. a movable mold; 3. a demoulding mechanism; 31. a push plate; 32. penetrating a groove; 33. a thimble; 34. a panel; 35. a driving part; 351. a bottom plate; 352. a piston rod; 353. a spring; 36. a connecting plate; 37. a cylinder; 38. a U-shaped frame; 39. and a rubber pad.
Detailed Description
The following detailed description of embodiments of the present application will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present application can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.
1-3 Are an embodiment of the utility model, a product demoulding mechanism 3 applied to an injection mould, comprising a fixed mould 1, wherein a movable mould 2 matched with the fixed mould 1 is arranged on the side of the fixed mould 1, and a demoulding mechanism 3 for demoulding an injection product is arranged in the movable mould 2;
The demolding mechanism 3 comprises a push plate 31 arranged at the side of the movable mold 2 in a sliding manner, a through groove 32 matched with the core on the movable mold 2 is formed in the push plate 31, four ejector pins 33 distributed in a rectangular manner are arranged on the side surface of the push plate 31, and the other end of each ejector pin 33 penetrates into the movable mold 2 to be fixedly provided with a panel 34;
the ejector mechanism 3 further includes a driving member 35 that moves the push plate 31.
In actual use, when utilizing injection mold injection cup to take shape, through injection molding machine control movable mould 2 removal, after movable mould 2 kept away from cover half 1, make panel 34 remove with the pneumatic cylinder that is connected with movable mould 2, thimble 33 makes push pedal 31 remove under the promotion of panel 34 to make the outer wall of core is kept away from to the shaping product inner wall, after the injection molding product is passed certain distance by push pedal 31, falls out between movable mould 2 and the cover half 1 not hard up movable mould of injection molding product, realizes quick drawing of patterns, improves drawing of patterns efficiency.
Specifically, the driving component 35 includes a bottom plate 351 fixed on a side surface of the panel 34, a piston rod 352 is disposed on a side surface of the bottom plate 351, and a spring 353 sleeved on an outer circular surface of the ejector pin 33 is fixed between the other side surface of the panel 34 and the movable mold 2, so as to reset the push plate 31.
In the actual use process, when the push plate 31 needs to be moved, the piston pushes the bottom plate 351 to move by controlling the hydraulic cylinder connected with the movable die 2, and the panel 34 is driven by the bottom plate 351 to move towards the direction of the fixed die 1, so that the push plate 31 is moved to finish demoulding. In the process of moving the panel 34, the spring 353 is extruded, the spring 353 enables the push plate 31 to stably push the product to be demolded, after the demolding is completed, the piston is reset, and the spring 353 drives the push plate 31 to reset.
More specifically, the front cross section of the through groove 32 is isosceles trapezoid, and the inclined inner wall of the through groove 32 is attached to the outer surface of the core, so that the push plate 31 can move stably to realize rapid demoulding.
In actual use, wear groove 32 on push pedal 31 and set up to isosceles trapezoid, wear groove 32 inner wall and movable mould 2 and go up the core outer wall laminating mutually, promote injection mold's sealed effect, prevent the circumstances of seepage in-process of moulding plastics for push pedal 31 can be steady promote the product to keep away from the core completion drawing of patterns of movable mould 2.
In the second embodiment, two side surfaces of the movable mold 2 are respectively fixed with a connecting plate 36, the side surfaces of the connecting plates 36 are in sliding connection with the side surfaces of the fixed mold 1, the side surfaces of the connecting plates 36 are fixed with air cylinders 37, and the extension ends of the air cylinders 37 penetrate through the connecting plates 36 and can move to the mold core of the movable mold 2.
In actual use, in-process that movable mould 2 kept away from cover half 1 after the completion of moulding plastics, connecting plate 36 slides on cover half 1 side under movable mould 2's drive, cylinder 37 on connecting plate 36 is fixed in the position department that is parallel and level mutually with movable mould 2 core, when partial product glues on push pedal 31 unable smooth drawing of patterns, the cylinder 37 extension end that the control product corresponds one side stretches out, contact with the product of blocking, there is the space between product inner wall and the movable mould 2 core outer wall this moment, the extension end of cylinder 37 makes the product keep away from push pedal 31 after touching with the product, the problem that partial product can't smooth drawing of patterns has been solved, improve drawing of patterns efficiency.
Specifically, the extension end of the air cylinder 37 is fixed with a U-shaped frame 38, a gap for storing the U-shaped frame 38 is reserved between the connecting plate 36 and the movable mould 2, and two end points of the U-shaped frame 38 correspond to the end position of the core of the movable mould 2 and are used for pushing an injection molding product adhered on the surface of the push plate 31 to realize demoulding.
In the actual use process, when the movable die 2 and the fixed die 1 are in die assembly, the U-shaped frame 38 moves to be in contact with the inner side wall of the fixed plate under the driving of the air cylinder 37, so that the U-shaped frame 38 is positioned in a gap between the fixed plate and the injection mold, normal use of the injection mold is ensured, and the U-shaped frame 38 moves to be in contact with the outer walls of two corresponding products under the driving of the air cylinder 37 during die stripping, so that the adhered or clamped products can be successfully die stripped.
More specifically, rubber pads 39 are fixed at two protruding positions of the opening side of the U-shaped frame 38, and the rubber pads 39 are semicircular in shape and are used for protecting injection products; when the U-shaped frame 38 is utilized to push a product which cannot be smoothly demoulded, the rubber pad 39 is arranged at the protruding position where the U-shaped frame 38 is contacted with the outer wall of the product, so that the direct contact between the U-shaped frame 38 and the product is buffered, and the outer wall of the product is protected by utilizing the elasticity of the rubber pad 39.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 be applied to injection mold's product demoulding mechanism (3), includes cover half (1), cover half (1) side be provided with rather than movable mould (2) of looks adaptation, its characterized in that: a demoulding mechanism (3) for demoulding the injection product is arranged in the movable mould (2);
The demolding mechanism (3) comprises a push plate (31) arranged at the side of the movable mold (2) in a sliding manner, a through groove (32) matched with the core on the movable mold (2) is formed in the push plate (31), four ejector pins (33) in rectangular distribution are arranged on the side surface of the push plate (31), and the other end of each ejector pin (33) penetrates into the movable mold (2) to be fixedly provided with a panel (34);
The ejector mechanism (3) further includes a driving member (35) that moves the push plate (31).
2. Product demoulding mechanism (3) for injection moulds according to claim 1, characterized in that: the driving part (35) comprises a bottom plate (351) fixed on the side face of the panel (34), a piston rod (352) is arranged on the side face of the bottom plate (351), and a spring (353) sleeved on the outer circular surface of the ejector pin (33) is fixed between the other side face of the panel (34) and the movable die (2) and used for resetting the push plate (31).
3. Product demoulding mechanism (3) for injection moulds according to claim 2, characterized in that: the front cross section of the through groove (32) is isosceles trapezoid, and the inclined inner wall of the through groove (32) is attached to the outer surface of the core, so that the push plate (31) can stably move to realize quick demoulding.
4. Product demoulding mechanism (3) for injection moulds according to claim 1, characterized in that: connecting plates (36) are fixed on two side surfaces of the movable die (2), the side surfaces of the connecting plates (36) are in sliding connection with the side surfaces of the fixed die (1), air cylinders (37) are fixed on the side surfaces of the connecting plates (36), and the extension ends of the air cylinders (37) penetrate through the connecting plates (36) and can move to the core of the movable die (2).
5. A product demoulding mechanism (3) for injection moulds according to claim 4, characterized in that: the extension end of the cylinder (37) is fixedly provided with a U-shaped frame (38), a gap for storing the U-shaped frame (38) is arranged between the connecting plate (36) and the movable mould (2), and the two protruding positions of the U-shaped frame (38) correspond to the tail end position of the core of the movable mould (2) and are used for pushing an injection molding product adhered to the surface of the push plate (31) to realize demoulding.
6. A product demoulding mechanism (3) for injection moulds according to claim 5, characterized in that: rubber pads (39) are fixed at two protruding positions of the opening side of the U-shaped frame (38), and the rubber pads (39) are semicircular and used for protecting injection products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322961795.XU CN220904012U (en) | 2023-11-02 | 2023-11-02 | Product demoulding mechanism applied to injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322961795.XU CN220904012U (en) | 2023-11-02 | 2023-11-02 | Product demoulding mechanism applied to injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220904012U true CN220904012U (en) | 2024-05-07 |
Family
ID=90907206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322961795.XU Active CN220904012U (en) | 2023-11-02 | 2023-11-02 | Product demoulding mechanism applied to injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220904012U (en) |
-
2023
- 2023-11-02 CN CN202322961795.XU patent/CN220904012U/en active Active
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