CN209937550U - Double-color mold with rotatable mold core - Google Patents
Double-color mold with rotatable mold core Download PDFInfo
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- CN209937550U CN209937550U CN201920715113.8U CN201920715113U CN209937550U CN 209937550 U CN209937550 U CN 209937550U CN 201920715113 U CN201920715113 U CN 201920715113U CN 209937550 U CN209937550 U CN 209937550U
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- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000003086 colorant Substances 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000465 moulding Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a rotatable double-colored mould of mould benevolence, go into son and the second color mold insert including movable mould and movable mould backing plate and the public mould benevolence of setting on the movable mould, first color mold insert goes into son and the second color mold insert goes into son and sets up in the both sides of public mould benevolence to be connected with the public mould die cavity on the public mould benevolence, be provided with central pivot and position sleeve on the public mould benevolence, the position sleeve sets up in the both sides of public mould benevolence to be connected with the locating pin that sets up on the movable mould. The utility model has novel design, simple structure and convenient use, and pushes the core insert through the arranged central rotating shaft, so that the core insert goes upward and is completely separated from the movable mould frame, and the 180-degree rotation is completed under the driving of the hydraulic cylinder as the driving device of the power; then, the core insert is pulled by the central rotating shaft to return the core insert to the movable mold frame in a downward direction, so that the core insert is rotated to produce double-color plastic products with different colors.
Description
Technical Field
The utility model relates to a double-colored injection mold field especially relates to a rotatable double-colored mould of mould benevolence.
Background
In the field of plastic molds, common double-color products are formed by injection molding through double-color molds or secondary molding. The double-color mold is formed by injecting two plastic materials on the same injection molding machine in twice, but the product is only molded once, and when the double-color mold is used, the double-color mold is required to be provided with a special double-injection nozzle and an injection molding machine with a rotating function, so that the normal injection molding and demolding can be realized, the application range of the double-color mold can be limited, a plurality of precise double-color products can not be made by the double-color mold, and the production cost can be increased by using special equipment. Therefore, part of double-color products are made by adopting a secondary molding process, and the secondary molding is that two plastic materials are not necessarily injected on the same injection molding machine and are molded twice; and after the product is taken out from one set of mould, the product is put into another set of mould for secondary injection moulding. The molding process is completed by 2 sets of molds and two injection molding machines, the molding temperature, the cooling time and the like of the product are not easy to control, the surface of the product has a cracking phenomenon, the appearance quality is not good, defective products are more, the product needs to be replaced manually, the production efficiency is low, the automation degree is low, and the market demand can not be met.
From the above analysis, no matter the double-color mold or secondary molding is adopted, they all have certain disadvantages, but because the product produced by the double-color mold has smooth surface, beautiful appearance and easy color change, most manufacturers on the market can adopt the double-color mold to manufacture the double-color product. Therefore, certain improvement is made on the basis of the structure of the existing double-color mold, so that the injection molding machine with a special double-jet nozzle and a rotating function can be normally used without being equipped, and the method is particularly urgent.
In addition, many products comprise two sizing materials at present, need to make double-colored mould, and many mould factories do not have double-colored machine or repacking type double-colored machine and do not have the rotation function of taking oneself, can not satisfy the examination mould requirement.
The utility model discloses an application number is CN 201621146881.9's utility model patent, a mold insert rotary mechanism for double-colored mould is disclosed, including the A board, the B board, front mould benevolence and back mould benevolence, front mould benevolence fixed mounting is at the A board, back mould benevolence fixed mounting is at the B board, the product is the shaping between front mould benevolence and back mould benevolence, it still includes rotatory mold insert, a rotating shaft, the circle cover seat, the gear, the rack, hydro-cylinder and bottom plate, rotatory mold insert is installed inside back mould benevolence, the rotatory mold insert of back mould benevolence fixed connection is passed to the pivot front end, the bottom plate is passed in the pivot, suit circle cover seat is surveyed to pivot below periphery, circle cover seat and pivot synchronous revolution, suit gear is surveyed to circle cover seat periphery, gear and circle cover seat synchronous revolution, wheel and rack intermeshing, rack movable mounting is inside the bottom. The utility model discloses a hydro-cylinder drive rack through both sides moves ahead, and rack drive gear rotates, and the gear passes through circle cover seat drive pivot and rotates, and the pivot drives rotatory mold insert and rotates 180, and rotatory mold insert takes the top rod that the product passes through the injection molding machine, has just so realized the transposition of injection moulding product, and simple structure is reasonable, need not to be equipped with the injection molding machine that special bijection was chewed and was taken rotation function, has enlarged application range, has practiced thrift manufacturing cost. However, the structure of the utility model is relatively complicated, and the cost is higher, and is difficult to popularize.
In view of the above, it is necessary to develop a rotatable two-color mold with a simple structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provide a double-color mold with a rotatable mold core, the utility model has novel design, simple structure and convenient use, and pushes the male mold core through the arranged central rotating shaft, so that the male mold core goes upward and is completely separated from the movable mold frame, and the 180-degree rotation is completed under the driving of the hydraulic cylinder as the transmission device of power; then, the core insert is pulled by the central rotating shaft to return the core insert to the movable mold frame in a downward direction, so that the core insert is rotated to produce double-color plastic products with different colors.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a double-color mold with a rotatable mold core comprises a movable mold, a movable mold base plate, a male mold core, a first color insert and a second color insert, wherein the male mold core, the first color insert and the second color insert are arranged on the movable mold, the first color insert and the second color insert are arranged on two sides of the male mold core and are connected with a male mold cavity on the male mold core, a central rotating shaft and a positioning sleeve are arranged on the male mold core, and the positioning sleeve is arranged on two sides of the male mold core and is connected with a positioning pin arranged on the movable mold; the one end of center pivot is connected with the bottom of core insert, and the other end passes through movable mould and movable mould backing plate to be connected with the pivot cover that sets up on movable mould and the movable mould backing plate, the movable mould backing plate is provided with the rotatory actuating mechanism of drive center pivot, actuating mechanism including install the locating piece on the movable mould backing plate and with locating piece connection's transmission, transmission including the gear of connection center pivot and with gear connection's rack, the rack is connected with the pneumatic cylinder that movable mould backing plate one side set up. By adopting the technical scheme, the core insert moves upwards under the pushing of the central rotating shaft, is completely separated from the movable mould frame and is driven to rotate by the transmission device taking the hydraulic cylinder as power; then the male die core descends and returns to the movable die frame.
Preferably, one side of the central rotating shaft, which is far away from the core insert, is arranged on the limiting block, and the other side of the central rotating shaft is provided with a sliding groove, and the sliding groove is connected with a positioning groove arranged on the gear through a rotation stopping pin. By adopting the technical scheme, the rotation stopping pin can move in the sliding groove conveniently when the central rotating shaft moves up and down; the limiting block is used for limiting the upward moving distance of the central rotating shaft.
Preferably, the movable die base plate is provided with a guide block connected with the rack. By adopting the technical scheme, the rack can conveniently move linearly between the guide block and the gear.
Preferably, the gear is arranged between the rotating shaft sleeve and the positioning block, and the positioning block is provided with a guide hole connected with the central rotating shaft. By adopting the technical scheme, the gear can only rotate between the rotating shaft sleeve and the positioning block; the guide hole is convenient for the rotation of the central rotating shaft and the up-and-down movement and guide; wherein, the rotating shaft sleeve and the positioning block are favorable for the stable movement of the central rotating shaft.
Preferably, a semicircular or conical guide surface is arranged on the locating pin. By adopting the technical scheme, the positioning pin can be conveniently inserted into the positioning sleeve when the male die core descends, so that the return of the male die core is facilitated.
Preferably, a baffle is arranged in a mold frame of the movable mold and fixed at the bottom of the mold frame. By adopting the technical scheme, the device is used for bearing the pressure of the core when the core returns to the mold frame and adjusting the depth of the core in the mold frame.
The utility model has the advantages that:
1. the utility model has novel design, simple structure and convenient use, and pushes the core insert through the arranged central rotating shaft, so that the core insert goes upward and is completely separated from the movable mould frame, and the 180-degree rotation is completed under the driving of the hydraulic cylinder as the driving device of the power; then, pulling the core insert by the central rotating shaft to enable the core insert to move downwards to return to the movable mold frame, thereby completing the rotation of the core insert and producing the bicolor plastic products with different colors;
2. compared with the prior art, the utility model has simple structure, low cost and convenient popularization, and the central rotating shaft is positioned and guided by the rotating shaft sleeve and the positioning block on the movable mould and the movable mould base plate, so the precision is high, the operation is stable, the shaking is not easy, and the service life can be effectively prolonged;
3. the utility model realizes the automatic rotation of the core insert through the arranged hydraulic cylinder, the transmission device and the central rotating shaft, has high production efficiency, and greatly saves the manufacturing cost and the production cost of the die;
4. the utility model realizes the automatic transposition of the injection molding product, has simple and reasonable structure, does not need to be provided with a special double-jet nozzle and an injection molding machine with a rotating function, enlarges the application range and saves the production cost;
5. the utility model discloses reduced double-colored mould examination mould cost, the mould makes the action of mould mechanism more stable from taking rotation function, has prolonged mould life.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a top view of a movable mold according to the present invention;
FIG. 2 is a schematic structural view of a movable mold according to the present invention;
fig. 3 is a schematic view of the core insert ascending according to the present invention;
fig. 4 is a schematic diagram of ejection of a hydraulic cylinder according to the present invention;
FIG. 5 is a schematic view of the core insert of the present invention in rotation;
fig. 6 is a schematic view of the core insert of the present invention going downward;
fig. 7 is a schematic view of a dual-color plastic product according to the present invention.
The reference numbers in the figures illustrate: the movable mould comprises a movable mould 1, a movable mould base plate 2, a core insert 3, a first color insert 4, a second color insert 5, a central rotating shaft 6, a positioning sleeve 7, a positioning pin 8, a rotating shaft sleeve 9, a positioning block 10, a gear 11, a rack 12, a hydraulic cylinder 13, a limiting block 14, a sliding groove 15, a rotation stopping pin 16, a guide block 17, a baffle 18 and a reset spring 19.
Detailed Description
The invention is further described with reference to the accompanying drawings:
referring to fig. 1 to 7, a two-color mold with a rotatable core comprises a movable mold 1, a movable mold backing plate 2, a core insert 3, a first color insert 4 and a second color insert 5, wherein the core insert 3, the first color insert 4 and the second color insert 5 are arranged on the movable mold 1, the first color insert 4 and the second color insert 5 are arranged on two sides of the core insert 3 and are connected with a core mold cavity on the core insert 3, the core insert 3 is provided with a central rotating shaft 6 and a positioning sleeve 7, and the positioning sleeve 7 is arranged on two sides of the core insert 3 and is connected with a positioning pin 8 arranged on the movable mold 1; the one end of center pivot 6 is connected with the bottom of core insert 3, and the other end passes through movable mould 1 and movable mould backing plate 2 to be connected with the pivot cover 9 that sets up on movable mould 1 and the movable mould backing plate 2, movable mould backing plate 2 is provided with the 6 rotatory actuating mechanism of drive center pivot, actuating mechanism is including installing locating piece 10 on movable mould backing plate 2 and the transmission of being connected with locating piece 10, transmission is including connecting the gear 11 of center pivot 6 and the rack 12 of being connected with gear 11, rack 12 is connected with the pneumatic cylinder 13 that sets up on one side of movable mould backing plate 2. By adopting the technical scheme, the core insert 3 moves upwards under the pushing of the central rotating shaft 6, is completely separated from the die frame of the movable die 1, and is driven by the transmission device taking the hydraulic cylinder 13 as power to complete rotation; then the core insert 3 moves downwards and returns to the mold frame of the movable mold 1.
Preferably, one side of the central rotating shaft 6, which is far away from the core insert 3, is disposed on the limiting block 14, and the other side is disposed on the sliding groove 15, and the sliding groove 15 is connected with a positioning groove disposed on the gear 11 through a rotation stopping pin 16. By adopting the technical scheme, the rotation stopping pin 16 can move in the sliding groove 15 conveniently when the central rotating shaft 6 moves up and down; wherein, the limiting block 14 is used for limiting the upward moving distance of the central rotating shaft 6.
Preferably, the movable die base plate 2 is provided with a guide block 17 connected with the rack 12. By adopting the technical scheme, the rack 12 can conveniently move linearly between the guide block 17 and the gear 11.
Preferably, the gear 11 is disposed between the rotating shaft sleeve 9 and the positioning block 10, and the positioning block 10 is provided with a guide hole for connecting the central rotating shaft 6. By adopting the technical scheme, the gear 11 can only rotate between the rotating shaft sleeve 9 and the positioning block 10; the guide hole is convenient for the rotation and the up-and-down moving guide of the central rotating shaft 6; wherein, the rotating shaft sleeve 9 and the positioning block 10 are beneficial to the stable movement of the central rotating shaft 6.
Preferably, the positioning pin 8 is provided with a semicircular or conical guide surface. By adopting the technical scheme, the positioning pin 8 can be conveniently inserted into the positioning sleeve 7 when the core insert 3 moves downwards, so that the core insert 3 can return.
Preferably, a baffle plate 18 is arranged in a mold frame of the movable mold 1, and the baffle plate 18 is fixed at the bottom of the mold frame. By adopting the technical scheme, the device is used for bearing the pressure of the core insert 3 when the core insert 3 returns to the mold frame and adjusting the depth of the core insert 3 in the mold frame.
Preferably, a return spring 19 is further arranged between the movable die base plate 2 and the limiting block 14, and the return spring 19 is sleeved on the central rotating shaft 6. By adopting the technical scheme, the core insert 3 is convenient to reset.
Preferably, the central rotating shaft 6 and/or the positioning pin 8 are provided with oil grooves. By adopting the technical scheme, the friction is reduced, and the service life of the device is prolonged.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
In practical use, the core insert moves upwards under the pushing of the central rotating shaft, is completely separated from the movable mould frame and is driven to rotate by a transmission device taking a hydraulic cylinder as power; then, the core insert is pulled to move downwards by the central rotating shaft and returns to the movable mould frame, so that the rotation of the core insert is completed.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a rotatable double-colored mould of mould benevolence, includes movable mould (1) and movable mould backing plate (2) and sets up public mould benevolence (3), first color insert income sub (4) and second color insert income sub (5) on movable mould (1), first color insert income sub (4) and second color insert income sub (5) set up the both sides in public mould benevolence (3) to be connected its characterized in that with the public mould die cavity on public mould benevolence (3): the core insert (3) is provided with a central rotating shaft (6) and a positioning sleeve (7), and the positioning sleeve (7) is arranged on two sides of the core insert (3) and connected with a positioning pin (8) arranged on the movable mold (1); the one end of center pivot (6) is connected with the bottom of core insert (3), and the other end passes through movable mould (1) and movable mould backing plate (2) to be connected with pivot cover (9) that set up on movable mould (1) and the movable mould backing plate (2), movable mould backing plate (2) are provided with the rotatory actuating mechanism of drive center pivot (6), actuating mechanism is including installing locating piece (10) on movable mould backing plate (2) and the transmission of being connected with locating piece (10), transmission is including gear (11) of connecting center pivot (6) and rack (12) of being connected with gear (11), rack (12) are connected with pneumatic cylinder (13) that movable mould backing plate (2) one side set up.
2. The dual-color mold with the rotatable mold insert as claimed in claim 1, wherein: one side of the central rotating shaft (6), which is far away from the core insert (3), is arranged on the limiting block (14), the other side of the central rotating shaft is provided with a sliding groove (15), and the sliding groove (15) is connected with a positioning groove arranged on the gear (11) through a rotation stopping pin (16).
3. The dual-color mold with the rotatable mold insert as claimed in claim 1, wherein: and a guide block (17) connected with the rack (12) is arranged on the movable die base plate (2).
4. The dual-color mold with the rotatable mold insert as claimed in claim 1, wherein: the gear (11) is arranged between the rotating shaft sleeve (9) and the positioning block (10), and a guide hole connected with the central rotating shaft (6) is formed in the positioning block (10).
5. The dual-color mold with the rotatable mold insert as claimed in claim 1, wherein: and a semicircular or conical guide surface is arranged on the positioning pin (8).
6. The dual-color mold with the rotatable mold insert as claimed in claim 1, wherein: a baffle (18) is arranged in a mold frame of the movable mold (1), and the baffle (18) is fixed at the bottom of the mold frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920715113.8U CN209937550U (en) | 2019-05-19 | 2019-05-19 | Double-color mold with rotatable mold core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920715113.8U CN209937550U (en) | 2019-05-19 | 2019-05-19 | Double-color mold with rotatable mold core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209937550U true CN209937550U (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920715113.8U Expired - Fee Related CN209937550U (en) | 2019-05-19 | 2019-05-19 | Double-color mold with rotatable mold core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209937550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157868A (en) * | 2020-09-14 | 2021-01-01 | 鸿利达模具(深圳)有限公司 | Double-color injection molding structure |
-
2019
- 2019-05-19 CN CN201920715113.8U patent/CN209937550U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157868A (en) * | 2020-09-14 | 2021-01-01 | 鸿利达模具(深圳)有限公司 | Double-color injection molding structure |
| CN112157868B (en) * | 2020-09-14 | 2022-03-25 | 鸿利达模具(深圳)有限公司 | Double-color injection molding structure |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |