CN222662785U - Mould mechanism for preventing product from returning to top - Google Patents
Mould mechanism for preventing product from returning to top Download PDFInfo
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- CN222662785U CN222662785U CN202420912317.1U CN202420912317U CN222662785U CN 222662785 U CN222662785 U CN 222662785U CN 202420912317 U CN202420912317 U CN 202420912317U CN 222662785 U CN222662785 U CN 222662785U
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- lower die
- upper die
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Abstract
The utility model relates to the technical field of dies, in particular to a die mechanism for preventing product from jacking, which comprises an upper die holder and a lower die holder, wherein the lower end of the upper die holder is fixedly connected with an upper die forming block, the outer side of the upper die forming block is provided with an upper die pressing plate, the upper die pressing plate is connected with the upper die holder through an upper die nitrogen spring, the upper side of the lower die holder is provided with a lower die plate, a cavity is arranged in the lower die plate, a lower die pressing material core is sleeved in the cavity, the upper side of the lower die holder is connected with the lower end of the lower die pressing material core through a lower die nitrogen spring, the lower end of the lower die pressing material core is connected with a second ejector rod, the lower side of the second ejector rod passes through the lower die holder to be connected with a lower die punching plate arranged below the lower die holder, and the outer side of the lower die punching plate is connected with a first ejector rod which passes through the lower die holder and the lower die plate upwards. Compared with the prior art, through setting up lower mould and hit out board and ejector pin one, ejector pin two, make the swage core along with last mould swage board reciprocates, the swage core rises earlier and takes off the material again when taking off the material, can prevent effectively that the product from kick-backing.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a die mechanism for preventing product from propping back.
Background
The traditional mechanism for preventing the product from returning to the top generally changes the original material pressing nitrogen spring into a time-delay nitrogen spring with relatively high price, the mode has high cost, large occupied space, complex structure, complex installation and debugging, and the like, and the mode is only suitable for products with lower appearance requirements and softer hardness in batch production process. If the small space of the product is insufficient and the time-delay nitrogen spring is not put down, the mechanism can hardly meet the requirements of molding and mass production of the product.
Disclosure of Invention
The utility model provides a die mechanism for preventing product from propping back, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the die mechanism for preventing the product from being propped back comprises an upper die holder and a lower die holder, wherein the lower end of the upper die holder is fixedly connected with an upper die forming block, an upper die pressing plate is arranged on the outer side of the upper die forming block and is connected with the upper die holder through an upper die nitrogen spring, a lower die plate is arranged above the lower die holder, a cavity is arranged in the lower die plate, a lower die pressing material core is sleeved in the cavity, the upper side of the lower die holder is connected with the lower end of the lower die pressing material core through a lower die nitrogen spring, the lower end of the lower die pressing material core is connected with a second ejector rod, the lower side of the second ejector rod penetrates through the lower die holder to be connected with a lower die punching plate arranged below the lower die holder, and the outer side of the lower die punching plate is connected with a first ejector rod penetrating upwards through the lower die holder and the lower die plate.
The top of upper die base is connected with nitrogen spring holder, and the top fixed mounting of upper die nitrogen spring is in nitrogen spring holder, and upper die nitrogen spring's bottom stretches out the upper die base and is connected with last die pressing flitch.
The lower die is characterized in that an upper die outer limit is connected to the lower side of the outer side of the upper die base, a lower die outer limit is connected to the upper side of the outer side of the lower die base, and the upper die outer limit corresponds to the lower die outer limit.
The lower end of the upper die holder is connected with an upper base plate, and the top of the upper die forming block is embedded into the upper base plate.
The upper end of the lower die holder is connected with a lower base plate, and the upper end of the lower base plate is connected with a lower die plate.
And an air escape hole is arranged in the upper die forming block.
The lower end of the lower die holder is connected with a lower pad foot, and the lower end of the lower pad foot is connected with a lower supporting plate.
Compared with the prior art, the lower die knock-out plate, the first ejector rod and the second ejector rod are arranged, so that the material pressing core moves up and down along with the upper die material pressing plate, and the material pressing core rises firstly and then is removed during material removal, and the rebound of a product can be effectively prevented.
Drawings
FIG. 1 is a schematic diagram of a closed mold according to the present utility model.
Fig. 2 is a schematic diagram of the die opening of the present utility model.
Referring to fig. 1-2, 1 is an upper die holder, 2 is an upper die outer limit, 3 is a material, 4 is a lower die outer limit, 5 is a lower die holder, 6 is a lower pad, 7 is a lower supporting plate, 8 is an upper die nitrogen spring, 9 is an upper base plate, 10 is an upper die forming block, 10-1 is an air escape hole, 11 is an upper die pressing plate, 12 is a lower die pressing core, 13 is a lower die plate, 14 is a lower base plate, 15 is a first ejector rod, 16 is a second ejector rod, 17 is a lower die striking plate, 18 is a lower die nitrogen spring, and 19 is a nitrogen spring seat.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-2, the lower end of the upper die holder 1 is fixedly connected with an upper die forming block 10, an upper die pressing plate 11 is arranged on the outer side of the upper die forming block 10, the upper die pressing plate 11 is connected with the upper die holder 1 through an upper die nitrogen spring 8, a lower die plate 13 is arranged above the lower die holder 5, a cavity is arranged in the lower die plate 13, a lower die pressing material core 12 is sleeved in the cavity, the upper side of the lower die holder 5 is connected with the lower end of the lower die pressing material core 12 through a lower die nitrogen spring 18, the lower end of the lower die pressing material core 12 is connected with a second ejector rod 16, the lower side of the second ejector rod 16 passes through the lower die holder 5 to be connected with a lower die pressing plate 17 arranged below the lower die holder 5, and the outer side of the lower die pressing plate 17 is connected with a first ejector rod 15 which passes through the lower die holder 5 and the lower die plate 13 upwards.
The top of upper die base 1 is connected with nitrogen spring holder 19, and the top fixed mounting of upper die nitrogen spring 8 is in nitrogen spring holder 19, and upper die nitrogen spring 8's bottom stretches out upper die base 1 and is connected with last die pressing flitch 11. The nitrogen spring seat 19 enables the upper die nitrogen spring 8 to be embedded into the upper die holder 1, so that space can be saved.
An upper die outer limit 2 is connected to the lower side of the outer side of the upper die holder 1, a lower die outer limit 4 is connected to the upper side of the outer side of the lower die holder 5, and the upper die outer limit 2 corresponds to the lower die outer limit 4 in position. The upper die outer limit 2 and the lower die outer limit 4 enable the height of the die to be limited when the die is closed.
The lower extreme of upper die base 1 is connected with upper padding plate 9, and upper die shaping piece 10's top embedding is in upper padding plate 9. The upper pad 9 makes the upper die forming block 10 more stable.
The upper end of the lower die holder 5 is connected with a lower backing plate 14, and the upper end of the lower backing plate 14 is connected with a lower die plate 13.
An air escape hole 10-1 is arranged in the upper die forming block 10. When the air escape hole 10-1 is used for molding and demolding, no air is blocked between the material and the upper mold molding block 10, and the outlet of the air escape hole 10-1 can be arranged at the top and can be used for air outlet through a through hole arranged on the upper mold base 1, and can also be arranged at the side surface of the upper mold molding block 10 for air outlet.
The lower end of the lower die holder 5 is connected with a lower pad 6, and the lower end of the lower pad 6 is connected with a lower supporting plate 7. The lower plate 7 is for connection with a press.
When the utility model is used, the material 3 is placed on the first ejector rod 15, the upper die holder 1 moves downwards to press the material on the first ejector rod 15 by the upper die pressing plate 11, then the first ejector rod 15 drives the lower die knocking plate 17 to move downwards firstly, and simultaneously the second ejector rod 16 drives the lower die pressing core 12 to move downwards along the die cavity, and the lower die nitrogen spring 18 is compressed. After the upper die pressing plate 11 presses the material 3 onto the lower die plate 13, the upper die nitrogen spring 8 starts to compress, and the upper die forming block 10 presses downwards to form a closed die with the lower die pressing core 12.
When the die is opened, the upper die holder 1 moves upwards, the first ejector rod 15 is propped against the upper die pressing plate 11, the lower die nitrogen spring 18 pushes the lower die pressing core 12 and the upper die pressing plate 10 upwards together, the side surface of the product is firstly demolded, the lateral pressure of the lower die plate 13 on the product is relieved, and after the first ejector rod 15 is lifted, the upper die forming block 10 and the lower die pressing core 12 are separated, so that the product is completely demolded. Through making the swage core rise earlier and then drawing of patterns, can effectively prevent the product resilience.
Claims (7)
1. The die mechanism for preventing product ejection comprises an upper die holder (1) and a lower die holder (5) and is characterized in that the lower end of the upper die holder (1) is fixedly connected with an upper die forming block (10), an upper die pressing plate (11) is arranged on the outer side of the upper die forming block (10), the upper die pressing plate (11) is connected with the upper die holder (1) through an upper die nitrogen spring (8), a lower die plate (13) is arranged above the lower die holder (5), a die cavity is arranged in the lower die plate (13), a lower die pressing core (12) is sleeved in the die cavity, the upper side of the lower die holder (5) is connected with the lower end of the lower die pressing core (12) through a lower die nitrogen spring (18), a second ejector rod (16) is connected with the lower end of the lower die pressing core (12), the lower side of the second ejector rod (16) penetrates through the lower die holder (5) to be connected with a lower die pressing plate (17) arranged below the lower die pressing plate (17), and the outer side of the lower die pressing plate (17) is connected with a first ejector rod (15) penetrating the lower die holder (5) and the lower die plate (13) upwards.
2. The die mechanism for preventing product from jacking is characterized in that the top end of the upper die holder (1) is connected with a nitrogen spring seat (19), the top end of the upper die nitrogen spring (8) is fixedly arranged in the nitrogen spring seat (19), and the bottom end of the upper die nitrogen spring (8) extends out of the upper die holder (1) to be connected with an upper die pressing plate (11).
3. The die mechanism for preventing product from jacking is characterized in that an upper die outer limit (2) is connected to the lower side of the outer side of the upper die holder (1), a lower die outer limit (4) is connected to the upper side of the outer side of the lower die holder (5), and the upper die outer limit (2) corresponds to the lower die outer limit (4).
4. The die mechanism for preventing product from jacking as claimed in claim 1, wherein the lower end of the upper die holder (1) is connected with an upper base plate (9), and the top of the upper die forming block (10) is embedded into the upper base plate (9).
5. The die mechanism for preventing product from jacking as claimed in claim 1, wherein the upper end of the lower die holder (5) is connected with a lower base plate (14), and the upper end of the lower base plate (14) is connected with a lower die plate (13).
6. The mold mechanism for preventing product from being pushed back as set forth in claim 1, wherein the upper mold forming block (10) is provided with an air vent (10-1).
7. The mold mechanism for preventing product from being pushed back according to claim 1, wherein the lower end of the lower mold base (5) is connected with a lower pad leg (6), and the lower end of the lower pad leg (6) is connected with a lower supporting plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420912317.1U CN222662785U (en) | 2024-04-29 | 2024-04-29 | Mould mechanism for preventing product from returning to top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420912317.1U CN222662785U (en) | 2024-04-29 | 2024-04-29 | Mould mechanism for preventing product from returning to top |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222662785U true CN222662785U (en) | 2025-03-25 |
Family
ID=95053130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420912317.1U Active CN222662785U (en) | 2024-04-29 | 2024-04-29 | Mould mechanism for preventing product from returning to top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222662785U (en) |
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2024
- 2024-04-29 CN CN202420912317.1U patent/CN222662785U/en active Active
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