CN220903869U - Delay ejector rod equipment - Google Patents
Delay ejector rod equipment Download PDFInfo
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- CN220903869U CN220903869U CN202321482805.5U CN202321482805U CN220903869U CN 220903869 U CN220903869 U CN 220903869U CN 202321482805 U CN202321482805 U CN 202321482805U CN 220903869 U CN220903869 U CN 220903869U
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- top plate
- connecting frame
- base
- injection molding
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- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 44
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000003111 delayed effect Effects 0.000 description 14
- 239000000463 material Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 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 injection molds, in particular to a delay ejector rod device which comprises a base, a mounting assembly and a wear-resistant assembly, wherein the mounting assembly comprises a connecting frame, a mold, a top plate, a fixed ejector rod and a delay ejector member, the connecting frame is fixedly connected with the base and is positioned on one side of the base, the mold is fixedly connected with the connecting frame and is positioned on one side of the connecting frame far away from the base, the top plate is slidably connected with the connecting frame and is positioned on one side of the connecting frame, the fixed ejector rod is fixedly connected with the top plate and penetrates through the mold, the delay ejector member is connected with the top plate, injection molding is carried out in the mold, after the injection molding product is molded, the mold is opened, the top plate rises to drive the fixed ejector rod to rise, the fixed ejector rod ejects the injection molding product to carry out demolding, the delay ejector member rises after a period of time, the injection molding product and the stub bar are ejected out, and a time difference between the injection molding product and the stub bar is generated, and the separation effect of the injection molding product and the stub bar is achieved in the demolding process.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a delay ejector rod device.
Background
Injection molding, also known as injection molding, is a method of injection and 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.
Chinese patent application number CN202021304056.3 discloses a secondary delay ejection device for a mold, which includes a delay slot, the delay slot is disposed on a lower mold plate and is located below a lower mold cavity; the delay thimble is arranged in the delay groove, the top end of the delay thimble is inserted into the lower die cavity, the delay thimble is sleeved with a spring, and the spring has elasticity for the delay thimble and the lower die cavity respectively; the bottom end of the first ejector pin is fixed on the ejector pin plate, and the top end of the first ejector pin is inserted into the lower die cavity to prop against a product; and the bottom end of the second thimble is fixed on the thimble plate, the top end of the second thimble is positioned below the delay thimble, a delay space is reserved between the second thimble and the bottom end of the delay thimble, and the second thimble can enter the delay groove and move upwards against the delay thimble. The two-time ejection and the delayed ejection can be realized, the damage to the product is avoided, the structure is simple, the manufacturing cost is low, the structural damage caused by the intermittent cracking of the product and the gate is relieved, but the two-time ejection is specific to the product, and the product is still damaged in practice.
However, in the injection molding process, some injection products inevitably generate a stub bar, and when in demolding, the injection products and the stub bar are ejected simultaneously, and the injection products and the stub bar are required to be separated through subsequent procedures, so that the production efficiency is affected, and the production cost is increased.
Disclosure of utility model
The utility model aims to provide a delay ejector rod device, which solves the problem that an injection molding product and a stub bar are required to be separated through a subsequent process.
In order to achieve the above object, the present utility model provides a delayed ejector pin apparatus, which comprises a base, a mounting assembly and a wear-resistant assembly, wherein the mounting assembly comprises a connecting frame, a mold, a top plate, a fixed ejector pin and a delayed ejector member, the connecting frame is fixedly connected with the base and is positioned at one side of the base, the mold is fixedly connected with the connecting frame and is positioned at one side of the connecting frame far away from the base, the top plate is slidably connected with the connecting frame and is positioned at one side of the connecting frame, the fixed ejector pin is fixedly connected with the top plate and penetrates through the mold, the delayed ejector member is connected with the top plate, injection molding is performed in the mold, after the injection molding product is molded, the mold is opened, the top plate is lifted by the top plate, the fixed ejector pin is lifted, the fixed ejector pin is ejected for demolding, and the delayed ejector member is lifted for a period of time, so that the separation effect of the injection molding product and the ejection head is achieved.
The top plate is provided with a groove hole, and the groove hole penetrates through the top plate.
The delay ejection component comprises a sliding blocking needle and a delay thimble, the sliding blocking needle is connected with the top plate in a sliding manner, and the sliding blocking needle penetrates through the groove hole; the delay thimble is fixedly connected with the sliding retaining needle and penetrates through the die.
The mounting assembly further comprises a driving air cylinder, the driving air cylinder is fixedly connected with the base and located on one side of the base, and the output end of the driving air cylinder is connected with the top plate.
The wear-resistant assembly comprises a push rod wear-resistant sleeve and a push rod wear-resistant sleeve, wherein the push rod wear-resistant sleeve is fixedly connected with the fixed push rod and sleeved at one end of the fixed push rod; the thimble wear-resistant sleeve is fixedly connected with the delay thimble and sleeved at one end of the delay thimble.
The utility model relates to a delayed ejector rod device which comprises a base, a mounting assembly and a wear-resistant assembly, wherein the mounting assembly comprises a connecting frame, a die, a top plate, a fixed ejector rod and a delayed ejector member, the top plate is provided with a groove hole, the delayed ejector member comprises a sliding retaining pin and a delayed ejector pin, the mounting assembly further comprises a driving cylinder, the wear-resistant assembly comprises an ejector rod wear-resistant sleeve and an ejector pin wear-resistant sleeve, the connecting frame is fixedly connected with the base and is positioned on one side of the base, the die is fixedly connected with the connecting frame and is positioned on one side of the connecting frame far away from the base, the top plate is in sliding connection with the connecting frame and is positioned on one side of the connecting frame, the fixed ejector rod is fixedly connected with the top plate and penetrates through the die, the delayed ejector member is connected with the top plate, injection molding is carried out in the die, after injection molding products are molded, the die is opened, the top plate is driven to rise through the driving cylinder, the top plate is raised to drive the fixed rise, the fixed ejector rod is pushed to move products to carry out demolding, the ejector rod is carried out demolding, the ejector head is separated from the injection molding products after the ejection heads are ejected out, and the ejection time is delayed, and the ejection head is separated from the injection molding products is carried out.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic view showing the overall structure of a delay ejector apparatus according to a first embodiment of the present utility model.
Fig. 2 is a schematic diagram showing connection between a sliding blocking needle and a delay thimble of a delay ejector rod device according to a first embodiment of the present utility model.
Fig. 3 is a schematic view of a delay ejector apparatus according to a second embodiment of the present utility model.
In the figure: 101-base, 102-link, 103-mould, 104-roof, 105-fixed ejector pin, 106-recess hole, 107 sliding stop pin, 108-delay ejector pin, 109 driving cylinder, 201-ejector pin wear-resistant sleeve and 202-ejector pin wear-resistant sleeve.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
The first embodiment of the application is as follows:
Referring to fig. 1 and 2, fig. 1 is a schematic overall structure of a delay ejector pin device according to a first embodiment of the present utility model, and fig. 2 is a schematic connection diagram of a sliding pin and a delay ejector pin of the delay ejector pin device according to the first embodiment of the present utility model, where the delay ejector pin device includes a base 101, a mounting component and a wear-resistant component, the mounting component includes a connecting frame 102, a mold 103, a top plate 104, a fixed ejector pin 105 and a delay ejector member, the top plate 104 has a slot hole 106, the delay ejector member includes a sliding pin 107 and a delay ejector pin 108, and the mounting component further includes a driving cylinder 109.
For this embodiment, injection molding is performed in the mold 103, after the injection molding product is molded, the mold 103 is opened, the top plate 104 is lifted to drive the fixed ejector rod 105 to lift, the fixed ejector rod 105 pushes the injection molding product to perform demolding, the delayed ejection member is lifted after a period of time, the material head is ejected, and a time difference between the injection molding product and the material head is generated, so that the separation effect of the injection molding product and the material head is achieved in the demolding process.
The connecting frame 102 is fixedly connected with the base 101 and is located on one side of the base 101, the die 103 is fixedly connected with the connecting frame 102 and is located on one side, far away from the base 101, of the connecting frame 102, the top plate 104 is slidably connected with the connecting frame 102 and is located on one side of the connecting frame 102, the fixed top rod 105 is fixedly connected with the top plate 104 and penetrates through the die 103, the time delay ejection member is connected with the top plate 104, the connecting frame 102 is located above the base 101, the die 103 is located above the connecting frame 102, the top plate 104 is located inside the connecting frame 102, the fixed top rod 105 is located above the top plate 104, the upper end of the fixed top rod 105 penetrates into the die 103, injection molding is carried out in the die 103, after injection molding products are molded, the die 103 is opened, the top plate 104 is lifted to drive the fixed top rod 105 to lift, the injection molding products to eject the time delay ejection member, the time delay ejection member is carried out on the injection molding products, and the ejection head is delayed to separate the injection products from the injection molding heads, and the injection molding heads are separated after a period of time is delayed, and the injection molding heads are separated from the injection molding heads are ejected.
Secondly, the top plate 104 has a slot hole 106, the slot hole 106 penetrates through the top plate 104, the opening at the upper end of the slot hole 106 is large, the opening at the lower end of the slot hole is small, and when the top plate 104 ascends to drive the fixed ejector rod 105 to eject the injection molding product, the top plate 104 slides on the time-delay ejection member through the slot hole 106, and does not drive the time-delay ejection member to ascend to delay.
Then, the sliding retaining pin 107 is slidably connected with the top plate 104, and the sliding retaining pin 107 penetrates through the groove hole 106; the time delay thimble 108 with slide keeps off needle 107 fixed connection, and runs through mould 103, slide keeps off needle 107 is located in the recess hole 106, time delay thimble 108 lower extreme with slide keeps off needle 107 upper end and is connected, time delay thimble 108 upper end penetrates in the mould 103 is moulded plastics in the mould 103, after the injection moulding product shaping, open mould 103, through roof 104 rise, roof 104 rise drives fixed ejector pin 105 rises, fixed ejector pin 105 pushes up and moulds plastics the product and demold, because recess hole 106 with slide keeps off needle 107 exists, roof 104 drive just can drive behind the fixed ejector pin 105 rise one section distance slide keeps off needle 107, slide keeps off needle 107 rise and drives time delay thimble 108 rises, time delay thimble 108 rises and ejects out, through the time difference of ejecting the injection moulding product and stub bar, thereby reaches the effect of separation of injection moulding product and stub bar in the drawing of patterns process.
Finally, the driving cylinder 109 is fixedly connected with the base 101 and is located at one side of the base 101, an output end of the driving cylinder 109 is connected with the top plate 104, the driving cylinder 109 is located above the base 101, and the driving cylinder 109 drives the top plate 104 to slide on the connecting frame 102, so as to drive the top plate 104 to rise.
When the delay ejector rod device of the embodiment is used, injection molding is performed in the mold 103, after injection molding products are molded, the mold 103 is opened, the top plate 104 is driven to ascend by the driving cylinder 109, the top plate 104 ascends to drive the fixed ejector rod 105 to ascend, the fixed ejector rod 105 pushes the injection molding products to perform demolding, due to the existence of the groove hole 106 and the sliding retaining needle 107, the top plate 104 drives the fixed ejector rod 105 to ascend for a certain distance and then drives the sliding retaining needle 107 to ascend, the sliding retaining needle 107 ascends to drive the delay ejector needle 108 to ascend, the delay ejector needle 108 ascends to eject a material head to complete positive demolding, and the time difference between the injection molding products and the material head is ejected, so that the separation effect of the injection molding products and the material head is achieved in the demolding process.
The second embodiment of the application is as follows:
Referring to fig. 3, fig. 3 is a schematic diagram of a delay ejector rod device according to a second embodiment of the present utility model, and on the basis of the first embodiment, the delay ejector rod device further includes a wear-resistant component, where the wear-resistant component includes an ejector rod wear-resistant sleeve 201 and an ejector pin wear-resistant sleeve 202.
For this embodiment, through will ejector pin wear-resisting sleeve 201 cover is established fixed ejector pin 105 upper end, fixed ejector pin 105 rises and reduces when ejecting injection molding the wearing and tearing of fixed ejector pin 105 improves fixed ejector pin 105's life is through will ejector pin wear-resisting sleeve 202 cover is established delay thimble 108 upper end, delay thimble 108 rises and reduces when ejecting injection molding the wearing and tearing of delay thimble 108, improves delay thimble 108's life, and reduce delay thimble 108 rupture probability.
Wherein, the ejector rod wear-resistant sleeve 201 is fixedly connected with the fixed ejector rod 105 and sleeved at one end of the fixed ejector rod 105; the ejector pin wear-resistant sleeve 202 is fixedly connected with the time delay ejector pin 108 and sleeved at one end of the time delay ejector pin 108, the ejector pin wear-resistant sleeve 201 and the ejector pin wear-resistant sleeve 202 are made of wear-resistant smooth materials, the wear of the fixed ejector pin 105 is reduced when the fixed ejector pin 105 ascends to eject an injection product through sleeving the ejector pin wear-resistant sleeve 201 at the upper end of the fixed ejector pin 105, the service life of the fixed ejector pin 105 is prolonged, the wear of the time delay ejector pin 108 is reduced when the time delay ejector pin 108 ascends to eject the injection product through sleeving the ejector pin wear-resistant sleeve 202 at the upper end of the time delay ejector pin 108, the service life of the time delay ejector pin 108 is prolonged, and the breakage probability of the time delay ejector pin 108 is reduced.
When the delay ejector rod device of the embodiment is used, the wear of the fixed ejector rod 105 is reduced when the fixed ejector rod 105 ascends to eject an injection molding product by sleeving the ejector rod wear-resistant sleeve 201 at the upper end of the fixed ejector rod 105, the service life of the fixed ejector rod 105 is prolonged, the wear of the delay ejector rod 108 is reduced when the delay ejector rod 108 ascends to eject the injection molding product by sleeving the ejector rod wear-resistant sleeve 202 at the upper end of the delay ejector rod 108, the service life of the delay ejector rod 108 is prolonged, and the breakage probability of the delay ejector rod 108 is reduced.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the application.
Claims (2)
1. A delay ejector rod device comprises a base and a wear-resistant component, and is characterized in that,
The device also comprises a mounting assembly;
The mounting assembly comprises a connecting frame, a die, a top plate, a fixed ejector rod and a time-delay ejection member, wherein the connecting frame is fixedly connected with the base and is positioned on one side of the base, the die is fixedly connected with the connecting frame and is positioned on one side of the connecting frame far away from the base, the top plate is slidably connected with the connecting frame and is positioned on one side of the connecting frame, the fixed ejector rod is fixedly connected with the top plate and penetrates through the die, the time-delay ejection member is connected with the top plate, the top plate is provided with a groove hole, the groove hole penetrates through the top plate, the time-delay ejection member comprises a sliding blocking needle and a time-delay ejector needle, the sliding blocking needle is slidably connected with the top plate, and the sliding blocking needle penetrates through the groove hole; the time delay thimble with slide fender needle fixed connection, and run through the mould, the installation component still includes the actuating cylinder, the actuating cylinder with base fixed connection, and be located one side of base, the output of actuating cylinder with the roof is connected.
2. The delay ejector pin apparatus of claim 1,
The wear-resistant assembly comprises a push rod wear-resistant sleeve and a push rod wear-resistant sleeve, wherein the push rod wear-resistant sleeve is fixedly connected with the fixed push rod and sleeved at one end of the fixed push rod; the thimble wear-resistant sleeve is fixedly connected with the delay thimble and sleeved at one end of the delay thimble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321482805.5U CN220903869U (en) | 2023-06-12 | 2023-06-12 | Delay ejector rod equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321482805.5U CN220903869U (en) | 2023-06-12 | 2023-06-12 | Delay ejector rod equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220903869U true CN220903869U (en) | 2024-05-07 |
Family
ID=90916113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321482805.5U Active CN220903869U (en) | 2023-06-12 | 2023-06-12 | Delay ejector rod equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220903869U (en) |
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2023
- 2023-06-12 CN CN202321482805.5U patent/CN220903869U/en active Active
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