CN220841286U - Spring-ejection type double-push-plate secondary ejection mechanism - Google Patents
Spring-ejection type double-push-plate secondary ejection mechanism Download PDFInfo
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- CN220841286U CN220841286U CN202322595550.XU CN202322595550U CN220841286U CN 220841286 U CN220841286 U CN 220841286U CN 202322595550 U CN202322595550 U CN 202322595550U CN 220841286 U CN220841286 U CN 220841286U
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- ejector rod
- mounting plate
- ejection mechanism
- ejector
- fixedly connected
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000001179 sorption measurement Methods 0.000 claims description 14
- 238000003754 machining Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000001746 injection moulding Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The utility model discloses a spring-ejection type double-push plate secondary ejection mechanism which comprises a processing table, wherein a lower die is arranged on the top side of the processing table, an upper die is arranged on the top side of the lower die, and a secondary ejection mechanism is arranged on the bottom side of the processing table; the secondary ejection mechanism comprises a mounting plate, a first ejector rod is fixedly connected to the mounting plate, two sides of the mounting plate are connected with first hydraulic cylinders, a second ejector rod is inserted into the first ejector rod, a sleeve is arranged on the bottom side of the mounting plate, a second hydraulic cylinder is arranged on the bottom side of the sleeve, one end of the second ejector rod penetrates through the mounting plate and is fixedly connected with the second hydraulic cylinder, and the other end of the second ejector rod is movably connected with a movable block; the bottom side of the movable block is fixedly connected with a spring and a limiting rod, the limiting rod is inserted into the spring, and one end of the limiting rod is inserted into a groove on the top side of the second ejector rod. The device prevents the first ejector rod and the second ejector rod from deforming in the demolding process while ensuring smooth demolding of the product, and ensures the service lives of the first ejector rod and the second ejector rod.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a spring-ejection type double-push-plate secondary ejection mechanism.
Background
Injection molding, also known as injection molding, is a method of injection molding; the injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple patterns, various shapes, large size, accurate product size, easy updating of the product, and capability of forming parts with complex shapes, and is suitable for the field of mass production, products with complex shapes and other molding processing.
When the product is subjected to injection molding processing by using an injection mold, the product is damaged due to incomplete demolding during demolding due to deeper injection molding depth of the product; meanwhile, the ejector rod for deep demolding of the product needs to be provided with a certain length, so that deformation easily occurs in the demolding process, and improvement is needed.
Disclosure of utility model
The utility model aims to provide a spring-ejection type double-push-plate secondary ejection mechanism so as to solve the problem that an ejector rod of an injection mold provided by the background technology is easy to deform.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the ejection type double-push plate secondary ejection mechanism comprises a processing table, wherein a lower die is arranged on the top side of the processing table, an upper die is arranged on the top side of the lower die, and a secondary ejection mechanism is arranged on the bottom side of the processing table;
The secondary ejection mechanism comprises a mounting plate, a first ejector rod is fixedly connected to the mounting plate, two sides of the mounting plate are connected with first hydraulic cylinders, second ejector rods are inserted into the first ejector rods, sleeves are arranged on the bottom sides of the mounting plate, second hydraulic cylinders are arranged on the bottom sides of the sleeves, one ends of the second ejector rods penetrate through the mounting plate and are fixedly connected with the second hydraulic cylinders, and movable blocks are movably connected to the other ends of the second ejector rods.
Preferably, a groove is formed in the top side of the second ejector rod, and an electromagnet is fixedly connected inside the groove.
Preferably, the bottom side of the movable block is fixedly connected with a spring and a limiting rod, the limiting rod is inserted in the spring, and one end of the limiting rod is inserted into a groove on the top side of the second ejector rod.
Preferably, the adsorption block is fixedly connected with the bottom side of the limiting rod and is magnetically connected with the electromagnet.
Preferably, the four sides of the mounting plate are provided with sliding blocks and sliding carriages, and the bottom side of the mounting plate is provided with a sleeve.
Preferably, the processing bench is inboard fixedly connected with sleeve, first pneumatic cylinder and second pneumatic cylinder, and processing bench bottom side fixedly connected with balladeur train, and the recess is seted up to balladeur train one side, the inside slider that is equipped with of inserting of recess, first pneumatic cylinder one end is connected with the slider bottom side.
Preferably, the top side of the processing table is fixedly connected with a main frame, and the bottom side of the main frame is provided with an upper die.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The device ensures smooth demolding of the product, avoids deformation of the first ejector rod and the second ejector rod in the demolding process, and ensures the service lives of the first ejector rod and the second ejector rod.
(2) This device is through inserting the second ejector pin in first ejector pin inside, first ejector pin and second ejector pin drive alone through first pneumatic cylinder and second pneumatic cylinder respectively to can carry out the drawing of patterns once through first ejector pin, carry out the secondary drawing of patterns through the second ejector pin, guaranteed the integrality of product drawing of patterns, first ejector pin is inside to set up the second ejector pin simultaneously, and second ejector pin outer wall cover establishes the sleeve and can guarantee the stability of first ejector pin and second ejector pin slip in-process, avoids first ejector pin and second ejector pin to appear the phenomenon of warping.
(3) The device can automatically lift the movable block through the arrangement of the movable block at the top of the second ejector rod, and the separation of the product and the second ejector rod is accelerated through the up-and-down movement of the movable block, so that the damage of the product is avoided.
Drawings
FIG. 1 is a schematic diagram of a spring-loaded double-push-plate secondary ejection mechanism according to the present utility model;
FIG. 2 is an enlarged view of the ejector double-push plate secondary ejection mechanism of FIG. 1A according to the present utility model;
fig. 3 is a top view of a mounting plate of a spring-loaded double-push-plate secondary ejection mechanism of the present utility model.
In the figure: 1. a main frame; 2. an upper die; 3. a secondary ejection mechanism; 31. a first ejector rod; 32. a second ejector rod; 33. a mounting plate; 34. a sleeve; 35. a second hydraulic cylinder; 36. a carriage; 37. a slide block; 38. a first hydraulic cylinder; 39. a movable block; 310. a spring; 311. a limit rod; 312. an adsorption block; 313. an electromagnet; 4. a lower die; 5. a processing table.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a bullet top formula double push pedal secondary ejection mechanism, includes processing platform 5, and processing platform 5 top side is provided with bed die 4, and processing platform 5 inboard fixedly connected with sleeve 34, first pneumatic cylinder 38 and second pneumatic cylinder 35, processing platform 5 bottom side fixedly connected with balladeur train 36, and balladeur train 36 one side is seted up flutedly, has inserted slider 37 inside the recess, and first pneumatic cylinder 38 one end is connected with slider 37 bottom side; the structure can ensure the stability of the mounting plate 33 in the moving process by arranging the sliding block 37 and the sliding frame 36; the piston end of the first hydraulic cylinder 38 is fixedly connected with the bottom side of the sliding block 37; the outer wall of the first hydraulic cylinder 38 is fixedly connected with the inner side of the processing table 5 through bolts; the top side of the processing table 5 is fixedly connected with a main frame 1, and the bottom side of the main frame 1 is provided with an upper die 2; the upper die 2 with the structure is driven by a hydraulic mechanism, so that the upper die 2 and the lower die 4 can be conveniently closed or opened; the top side of the lower die 4 is provided with an upper die 2, and the bottom side of the processing table 5 is provided with a secondary ejection mechanism 3;
The secondary ejection mechanism 3 comprises a mounting plate 33, wherein sliding blocks 37 and sliding carriages 36 are arranged on four sides of the mounting plate 33, and a sleeve 34 is arranged on the bottom side of the mounting plate 33; the structure can play a role in limiting the second ejector rod 32 through the sleeve 34, and can also play a role in avoiding bending deformation of the second ejector rod 32; the first ejector rod 31 is fixedly connected to the mounting plate 33, the first hydraulic cylinders 38 are connected to the two sides of the mounting plate 33, the second ejector rod 32 is inserted into the first ejector rod 31, the sleeve 34 is arranged on the bottom side of the mounting plate 33, the second hydraulic cylinder 35 is arranged on the bottom side of the sleeve 34, one end of the second ejector rod 32 penetrates through the mounting plate 33 and is fixedly connected with the second hydraulic cylinder 35, the top side of the second ejector rod 32 is provided with a groove, and an electromagnet 313 is fixedly connected inside the groove; the other end of the second ejector rod 32 is movably connected with a movable block 39; the second ejector rod 32 is arranged in the first ejector rod 31, the first ejector rod 31 and the second ejector rod 32 can respectively eject products twice in different depths, so that smooth demolding of the products can be ensured, meanwhile, the strength of the first ejector rod 31 and the second ejector rod 32 is ensured, and the deformation phenomenon of the first ejector rod 31 and the second ejector rod 32 is avoided; the bottom side of the movable block 39 is fixedly connected with a spring 310 and a limiting rod 311, the limiting rod 311 is inserted into the spring 310, and one end of the limiting rod 311 is inserted into a groove on the top side of the second ejector rod 32; the structure can lead the movable block 39 to have a certain movable space by arranging the spring 310 between the movable block 39 and the second ejector rod 32; the bottom side of the limiting rod 311 is fixedly connected with an adsorption block 312, the adsorption block 312 can be made of iron, and the adsorption block 312 is magnetically connected with an electromagnet 313; the structure can control the adsorption or separation of the adsorption block 312 by arranging the adsorption block 312 and the electromagnet 313, and can control the lifting of the movable block 39 by the adsorption and separation of the adsorption block 312 and the electromagnet 313; the product can be vibrated when the product is demolded by the automatic lifting of the movable block 39, thereby avoiding the adhesion between the product and the second ejector rod 32 and the first ejector rod 31.
Working principle: when the ejection type double-push-plate secondary ejection mechanism is used, firstly, the upper die 2 moves upwards to be separated from the lower die 4 for die opening, after die opening, the first hydraulic cylinder 38 pushes the sliding block 37 upwards to slide in the sliding frame 36, the sliding block 37 lifts the mounting plate 33 and the first ejector rod 31 on the mounting plate 33 upwards in the sliding process, the first ejector rod 31 slowly lifts up to push a product in the lower die 4 upwards to demould a part of the product, then the second hydraulic cylinder 35 pushes the second ejector rod 32 upwards to enable the second ejector rod 32 to slowly slide in the sleeve 34 and the first ejector rod 31, the second ejector rod 32 pushes up the product secondarily in the sliding lifting process to thoroughly separate the product from the lower die 4, then the electromagnet 313 is closed again after being opened, the electromagnet 313 and the adsorption block 312 are made to perform adsorption separation actions, the movable block 39 is made to lift and reciprocate under the action of the spring 310, the movable block 39 is lifted up and down to be in contact with the bottom of the product, and the product is prevented from being adhered to the contact surface of the second ejector rod 32 and the product.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a bullet top formula double push pedal secondary ejection mechanism, includes processing platform (5), and processing platform (5) top side is provided with bed die (4), and bed die (4) top side is provided with mould (2), its characterized in that: the bottom side of the processing table (5) is provided with a secondary ejection mechanism (3);
The secondary ejection mechanism (3) comprises a mounting plate (33), a first ejector rod (31) is fixedly connected to the mounting plate (33), first hydraulic cylinders (38) are connected to two sides of the mounting plate (33), second ejector rods (32) are inserted into the first ejector rods (31), sleeves (34) are arranged on the bottom sides of the mounting plate (33), second hydraulic cylinders (35) are arranged on the bottom sides of the sleeves (34), one ends of the second ejector rods (32) penetrate through the mounting plate (33) and are fixedly connected with the second hydraulic cylinders (35), and movable blocks (39) are movably connected to the other ends of the second ejector rods (32).
2. The ejector type double-push-plate secondary ejection mechanism according to claim 1, wherein: the top side of the second ejector rod (32) is provided with a groove, and an electromagnet (313) is fixedly connected inside the groove.
3. The ejector type double-push-plate secondary ejection mechanism according to claim 1, wherein: the bottom side of the movable block (39) is fixedly connected with a spring (310) and a limiting rod (311), the limiting rod (311) is inserted into the spring (310), and one end of the limiting rod (311) is inserted into a groove on the top side of the second ejector rod (32).
4. A flip-flop type double pusher secondary ejection mechanism according to claim 3, wherein: and an adsorption block (312) is fixedly connected to the bottom side of the limiting rod (311), and the adsorption block (312) is magnetically connected with an electromagnet (313).
5. The ejector type double-push-plate secondary ejection mechanism according to claim 1, wherein: four sides of the mounting plate (33) are respectively provided with a sliding block (37) and a sliding frame (36), and the bottom side of the mounting plate (33) is provided with a sleeve (34).
6. The ejector type double-push-plate secondary ejection mechanism according to claim 1, wherein: the machining table is characterized in that a sleeve (34), a first hydraulic cylinder (38) and a second hydraulic cylinder (35) are fixedly connected to the inner side of the machining table (5), a sliding frame (36) is fixedly connected to the bottom side of the machining table (5), a groove is formed in one side of the sliding frame (36), a sliding block (37) is inserted into the groove, and one end of the first hydraulic cylinder (38) is connected with the bottom side of the sliding block (37).
7. The ejector type double-push-plate secondary ejection mechanism according to claim 1, wherein: the top side of the processing table (5) is fixedly connected with a main frame (1), and the bottom side of the main frame (1) is provided with an upper die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322595550.XU CN220841286U (en) | 2023-09-25 | 2023-09-25 | Spring-ejection type double-push-plate secondary ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322595550.XU CN220841286U (en) | 2023-09-25 | 2023-09-25 | Spring-ejection type double-push-plate secondary ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220841286U true CN220841286U (en) | 2024-04-26 |
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ID=90776408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322595550.XU Active CN220841286U (en) | 2023-09-25 | 2023-09-25 | Spring-ejection type double-push-plate secondary ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220841286U (en) |
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2023
- 2023-09-25 CN CN202322595550.XU patent/CN220841286U/en active Active
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