CN216329844U - Mold ejection mechanism convenient to replace rapidly - Google Patents
Mold ejection mechanism convenient to replace rapidly Download PDFInfo
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- CN216329844U CN216329844U CN202122743989.3U CN202122743989U CN216329844U CN 216329844 U CN216329844 U CN 216329844U CN 202122743989 U CN202122743989 U CN 202122743989U CN 216329844 U CN216329844 U CN 216329844U
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- insert
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- 238000001746 injection moulding Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000011324 bead Substances 0.000 description 10
- 235000013312 flour Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of torque testing of stepping motors, in particular to a mold ejection mechanism convenient for quick change, which comprises a fixed mold base plate and a fixed mold insert, wherein the fixed mold base plate is fixedly connected with the fixed mold insert, a movable mold insert is arranged below the fixed mold insert, a fixed plate is arranged on the movable mold insert, a middle shoulder thimble penetrates through the fixed plate, one end of the middle shoulder thimble is provided with a cup head, a flat spring is sleeved on the middle shoulder thimble, the fixed plate is fixedly connected with the movable mold insert through an inner hexagon screw, and the fixed plate, the middle shoulder thimble, the cup head and the flat spring form an ejection mechanism of a mold. The labor intensity of a bench worker is reduced, the period of replacing the insert is saved, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a die ejection mechanism convenient to change rapidly.
Background
At present, the mold is required to be efficient and automatic in injection molding production, the mold is further required to be rapidly completed in each link, one mold is subjected to a plurality of links from design to production, and the efficiency of each link can influence the overall efficiency; after the processing of each accessory of the die is finished, each workpiece and the standard part are assembled into a pair of dies, usually, one die only produces one type of product, and one machine type is composed of a plurality of products, so that a plurality of pairs of dies are required to finish one machine type, and the starting cost is high.
In the using process, products with similar sizes and structures are manufactured on the same die, and different dies move the die inserts and are assembled on the same die frame for production. Because of different shapes and sizes of products, how to eject and how to carry out quick replacement to the movable mould part after the completion of injection moulding is the problem of puzzlement design, can change to a pair of mould movable mould is whole to be torn open because of tearing open to trade to eject, and mould movable mould part is often the most complicated structure in a pair of mould, demolishs the time longest, and the biggest part of intensity of labour, changes ejecting to restrict quick die change and high-efficient production important factor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the die ejection mechanism convenient for quick replacement, which reduces or avoids the time for disassembling and assembling the ejection part of the movable die by optimizing the die ejection structure, realizes the integration of the ejection mechanism and the movable die insert, is convenient for quick replacement, saves the disassembly and assembly time, and improves the production efficiency.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a mould ejection mechanism convenient to quick change, includes cover half bottom plate and cover half mold insert, cover half bottom plate and cover half mold insert fixed connection, cover half mold insert below is equipped with the movable mould mold insert, be equipped with the fixed plate on the movable mould mold insert, run through on the fixed plate and be provided with middle part circular bead thimble, the cup is installed to middle part circular bead thimble one end, flat spring has been cup jointed on the middle part circular bead thimble, the fixed plate passes through hexagon socket head cap screw fixed connection with the movable mould mold insert, by fixed plate, middle part circular bead thimble, cup and flat spring constitute the ejection mechanism of mould.
Preferably, the stopper is installed to fixed plate one side, and the fixed plate bottom is equipped with the movable mould board, the movable mould board bottom has set firmly the support column, spacing post is installed to movable mould board bottom both sides, spacing toe cap portion is equipped with the thimble, the thimble has set firmly on the thimble board, and thimble board bottom is equipped with the bottom roof, the bottom roof below is equipped with the movable mould bottom plate, and the ejector pin hole has been seted up to movable mould bottom plate bottom intermediate position.
Preferably, two groups of ejector pins are arranged at the positions of the shoulder in the symmetrical middle of the ejector pins.
Preferably, the surface needle plate and the bottom top plate are movably connected to the supporting columns.
Preferably, the movable mold insert and the fixed mold insert are matched to form a mold cavity, and the injection molding machine is used for injecting molten glue into the mold cavity to form a product.
Preferably, when the flat spring is in a pre-pressing state, the height between the top of the limiting column and the bottom of the movable template is 1mm-20 mm.
Preferably, the height from the bottom of the cup head to the top of the fixing plate is 1mm-20 mm.
Preferably, the product ejection height is 1mm to 20 mm.
Preferably, the position of the ejector pin corresponds to that of the ejector pin on the middle shoulder, and the ejector pin are matched in size.
(III) advantageous effects
Compared with the prior art, the utility model provides the die ejection mechanism convenient for quick replacement, which has the following beneficial effects:
the utility model discloses a, through optimizing mould ejection structure, realize ejection mechanism and movable mould mold insert integration, thimble on the application thimble board promotes ejection mechanism and goes up middle part circular bead thimble for thrust and comes ejecting product, when thimble on the thimble board returns, spring tension is down in the ejection mechanism, the middle part circular bead thimble returns, accomplish ejecting and return step, this ejection mechanism assembles in an organic whole with die cavity movable mould mold insert, can follow up the dismouting together of mould mold insert, can exempt from to the ejecting partial dismouting time of movable mould, the bench worker intensity of labour has been alleviateed, do not need solitary dismouting, thereby sparingly change the mold insert cycle, and the production efficiency is improved.
Drawings
FIG. 1 is an exploded view of the ejection mechanism of the present invention;
FIG. 2 is an isometric view of the ejection mechanism of the present invention;
FIG. 3 is an assembly view of the ejection mechanism of the present invention;
FIG. 4 is a schematic view of the ejection mechanism of the present invention before being assembled on a mold for ejection;
fig. 5 is a schematic diagram of the ejection mechanism of the present invention after being assembled on a mold and ejected.
In the figure: 1. a movable mold insert; 2. a flat spring; 3. a middle shoulder thimble; 4. a fixing plate; 5. a hexagon socket head cap screw; 6. a fixed die bottom plate; 7. a fixed die insert; 8. producing a product; 9. a limiting block; 10. moving the template; 11. a thimble; 12. a limiting column; 13. a needle board; 14. a bottom ceiling panel; 15. a support pillar; 16. a movable mold base plate; 17. a jack rod hole; 18. a cup head.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following will describe a mold ejection mechanism convenient for quick change in detail with reference to the accompanying drawings.
Referring to fig. 1-5, the present invention: the utility model provides a mould ejection mechanism convenient to quick change, including cover half bottom plate 6 and cover half mold insert 7, cover half bottom plate 6 and cover half mold insert 7 fixed connection, cover half mold insert 7 below is equipped with movable mould insert 1, be equipped with fixed plate 4 on the movable mould insert 1, it is provided with middle part circular bead thimble 3 to run through on the fixed plate 4, cup 18 is installed to 3 one end of middle part circular bead thimble, flat spring 2 has been cup jointed on the middle part circular bead thimble 3, fixed plate 4 passes through hexagon socket head cap screw 5 fixed connection with movable mould insert 1, by fixed plate 4, middle part circular bead thimble 3, cup 18 and flat spring 2 constitute the ejection mechanism of mould.
Furthermore, a limiting block 9 is installed on one side of the fixed plate 4, a movable template 10 is arranged at the bottom of the fixed plate 4, a supporting column 15 is fixedly arranged at the bottom of the movable template 10, limiting columns 12 are installed on two sides of the bottom of the movable template 10, a flour needle plate 13 is arranged at the bottom of the limiting columns 12, ejector pins 11 are fixedly arranged on the flour needle plate 13, a bottom plate 14 is arranged at the bottom of the flour needle plate 13, a movable mold base plate 16 is arranged below the bottom plate 14, and ejector pin holes 17 are formed in the middle position of the bottom of the movable mold base plate 16;
the surface needle plate 13 and the bottom top plate 14 are movably connected to support columns 15, the movable die plate 10 and the movable die bottom plate 16 are fixedly connected through the support columns 15, two groups of ejector pins are arranged at positions of shoulders 3 in the symmetrical middle of the support columns 15, and two groups of ejector pins are also arranged at positions of shoulders 3 in the symmetrical middle of the ejector pins 11;
in the assembly process of the ejection structure, firstly, a flat spring 2 is placed in a circular hole in a movable mold insert 1, then a middle shoulder ejector pin penetrates 3 through a middle hole of the flat spring 2 and is inserted into a hole 11 of an ejector pin of the movable mold insert 1, a fixing plate 4 covers a plate slot on the movable mold insert 1 and is fixed by an inner hexagonal screw 5, the assembly of a mold ejection mechanism convenient for quick change is completed, then the assembled movable mold insert 1 is placed in a common mold frame, a mold cavity is formed after the fixed mold insert 1 and a fixed mold insert 7 are assembled, a mold injection machine melts glue and then injects the glue into the mold cavity to form a product 8, wherein the height from the bottom of a cup head 18 to the top of the fixing plate 4 is 1mm-10mm, preferably 10mm, and the position of the ejector pin 11 corresponds to the position of the middle ejector pin 3 and is matched with the size;
in the operation process of the mold ejection structure, the injection molding machine pulls the movable mold part to retreat, the ejector rod of the injection molding machine extends out and pushes the mold surface needle plate 13 and the bottom ejector plate 14 to move forwards, the ejector pin 11 on the surface needle plate 13 also moves forwards to eject the middle shoulder ejector pin 3 on the ejection mechanism, the middle shoulder ejector pin 3 moves forwards under stress, the flat spring 2 on the middle shoulder ejector pin 3 is compressed under stress, when the flat spring 2 is in a pre-pressing state, the height between the top of the limiting column 12 and the bottom of the movable template 10 is 1mm-20mm, preferably 10mm, when the limiting columns 12 on the surface needle plate 13 move forwards and touch the movable mould plate 10, the ejector limiting stroke is in place, the ejector rod of the injection molding machine stops moving, the ejector pin 3 of the corresponding middle shoulder is also ejected forwards by 10mm to eject the product 8, the ejection height of the product 8 is 1mm-20mm, preferably 10mm, and the manipulator takes out the product 8, namely the mould ejection step is completed; after the product 8 is ejected, the ejector rod of the injection molding machine returns, the ejector pin 11 of the surface needle plate 13 also moves backwards, when the ejector pin 11 returns, the middle shoulder ejector pin 3 has no supporting force, the original 2-flat spring compressed by force releases tension to push the middle shoulder ejector pin 3 to move backwards, and when the cup head 18 part of the middle shoulder ejector pin 3 touches the 4 fixing plate, the middle shoulder ejector pin 3 returns to the original position, namely the ejection mechanism finishes the returning step, so that the mold finishes the ejecting and returning steps;
the utility model provides an ejection mechanism which is convenient to rapidly disassemble and can normally eject a product 8 without disassembling an entire movable die, the working principle of the ejection mechanism is that an ejector pin 11 on an ejector pin plate 13 is used as a thrust force to push an ejector pin 3 on a middle shoulder on the ejection mechanism to eject the product 8, when the ejector pin 11 on the ejector pin plate 13 returns, the ejector pin 3 on the middle shoulder returns under the tension of a spring in the ejection mechanism to finish the steps of ejection and return, the ejection mechanism and a cavity movable die insert 1 are assembled into a whole, the movable die insert 1 can be disassembled and assembled together without independent disassembly and assembly, if the die insert of another product needs to be replaced, only the movable die insert 1 needs to be disassembled on the front side, and the other movable die insert 1 with the rapidly-replaced die ejection mechanism is installed on a die carrier, namely, the die replacement of different products 8 is finished, the movable die insert 1 does not need to be replaced by disassembling the entire movable die, thereby saving the insert replacement period, the production efficiency is improved.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a mould ejection mechanism convenient to quick change, includes cover half bottom plate (6) and cover half mold insert (7), cover half bottom plate (6) and cover half mold insert (7) fixed connection, its characterized in that: the die is characterized in that a movable die insert (1) is arranged below the fixed die insert (7), a fixed plate (4) is arranged on the movable die insert (1), a middle shoulder ejector pin (3) penetrates through the fixed plate (4), a cup head (18) is installed at one end of the middle shoulder ejector pin (3), a flat spring (2) is sleeved on the middle shoulder ejector pin (3), the fixed plate (4) is fixedly connected with the movable die insert (1) through an inner hexagonal screw (5), and the fixed plate (4), the middle shoulder ejector pin (3), the cup head (18) and the flat spring (2) form an ejection mechanism of the die.
2. The mold ejection mechanism convenient for quick change according to claim 1, wherein: stopper (9) are installed to fixed plate (4) one side, and fixed plate (4) bottom is equipped with movable mould board (10), support column (15) have been set firmly in movable mould board (10) bottom, spacing post (12) are installed to movable mould board (10) bottom both sides, spacing post (12) bottom is equipped with face faller (13), thimble (11) have been set firmly on face faller (13), face faller (13) bottom is equipped with end roof (14), end roof (14) below is equipped with movable mould bottom plate (16), and ejector pin hole (17) have been seted up to movable mould bottom plate (16) bottom intermediate position.
3. The mold ejection mechanism convenient for quick change according to claim 2, wherein: two groups of ejector pins (11) are arranged at the positions of the shoulder ejector pins (3) in the symmetrical middle part.
4. The mold ejection mechanism convenient for quick change according to claim 2, wherein: the surface needle plate (13) and the bottom top plate (14) are movably connected to the supporting columns (15).
5. The mold ejection mechanism convenient for quick change according to claim 2, wherein: the movable die plate (10) is fixedly connected with the movable die bottom plate (16) through support columns (15), and two groups of support columns (15) are arranged at the positions of the shoulder ejector pins (3) in the symmetrical middle of the support columns.
6. The mold ejection mechanism convenient for quick change according to claim 1, wherein: and the movable mold insert (1) and the fixed mold insert (7) are matched to form a mold cavity, and the injection molding machine is used for injecting glue to the mold cavity to form a product (8).
7. The mold ejection mechanism convenient for quick change according to claim 2, wherein: when the flat spring (2) is in a pre-pressing state, the height between the top of the limiting column (12) and the bottom of the movable template (10) is 1-20 mm.
8. The mold ejection mechanism convenient for quick change according to claim 1, wherein: the height from the bottom of the cup head (18) to the top of the fixing plate (4) is 1mm-20 mm.
9. The mold ejection mechanism convenient for quick change according to claim 6, wherein: the ejection height of the product (8) is 1mm-20 mm.
10. The mold ejection mechanism convenient for quick change according to claim 2, wherein: the position of the ejector pin (11) corresponds to the position of the middle shoulder ejector pin (3) and is matched with the size of the middle shoulder ejector pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743989.3U CN216329844U (en) | 2021-11-10 | 2021-11-10 | Mold ejection mechanism convenient to replace rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743989.3U CN216329844U (en) | 2021-11-10 | 2021-11-10 | Mold ejection mechanism convenient to replace rapidly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216329844U true CN216329844U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122743989.3U Active CN216329844U (en) | 2021-11-10 | 2021-11-10 | Mold ejection mechanism convenient to replace rapidly |
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| Country | Link |
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| CN (1) | CN216329844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103024A (en) * | 2021-11-10 | 2022-03-01 | 格力电器（武汉）有限公司 | Mold ejection mechanism convenient to replace rapidly |
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2021
- 2021-11-10 CN CN202122743989.3U patent/CN216329844U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103024A (en) * | 2021-11-10 | 2022-03-01 | 格力电器（武汉）有限公司 | Mold ejection mechanism convenient to replace rapidly |
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