CN220883179U - Injection mold of polychrome colour mixture - Google Patents
Injection mold of polychrome colour mixture Download PDFInfo
- Publication number
- CN220883179U CN220883179U CN202322493480.7U CN202322493480U CN220883179U CN 220883179 U CN220883179 U CN 220883179U CN 202322493480 U CN202322493480 U CN 202322493480U CN 220883179 U CN220883179 U CN 220883179U
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- CN
- China
- Prior art keywords
- oil
- oil absorption
- injection mold
- coating
- thimble
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- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 title claims description 6
- 239000000203 mixture Substances 0.000 title claims description 4
- 238000010521 absorption reaction Methods 0.000 claims abstract description 51
- 239000011248 coating agent Substances 0.000 claims abstract description 40
- 238000000576 coating method Methods 0.000 claims abstract description 40
- 238000005461 lubrication Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract 4
- 238000007906 compression Methods 0.000 claims abstract 4
- 239000003921 oil Substances 0.000 abstract description 81
- 239000010687 lubricating oil Substances 0.000 abstract description 22
- 230000033001 locomotion Effects 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 description 17
- 241000628997 Flos Species 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005577 local transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an injection mold with multicolor color mixing, which comprises an upper mold and a lower mold matched with the upper mold, wherein a demolding mechanism is arranged in the lower mold, the demolding mechanism comprises a lubrication assembly, the lubrication assembly comprises at least two annular sleeves fixedly arranged in the upper mold, at least two oil absorption sponges and a plurality of uniformly distributed coating balls, an inner groove is formed in the annular sleeves, the oil absorption sponges are slidingly connected in the inner groove, the coating balls are in rolling connection with the inner side of the annular sleeves, the plurality of coating balls can be rotated through continuous upward movement of a thimble, the oil absorption sponges can be extruded when the coating balls rotate, the oil absorption sponges extrude a compression spring through a sliding rod, and the compression spring can reciprocate, so that lubricating oil in the oil absorption sponges can be conveniently and uniformly coated on the coating balls, and the coating balls are contacted with the outer surface of the thimble, so that the uniformity of the coating of the outer surface of the thimble is convenient to ensure.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold with multicolor color mixing.
Background
The multicolor mixed-color injection mold refers to equipment for injection molding of materials with more than two colors or different materials through more than one flow path.
The utility model provides a long service life's polychrome injection mold in CN210415345U, it is when the high heat that the injection molding produced leads to the lubricating oil volatilization speed on the thimble too fast, the third oil absorption is continuous to be absorbed lubricating oil from the batch oil tank through second oil absorption is soft and first oil absorption is soft, the thimble is in the gliding in-process from top to bottom of third oil absorption, the third oil absorption is soft carries out even lubrication to the lateral wall of thimble, make the thimble be in lubricated state all the time, reduce the frictional force between thimble and the injection molding, the life of extension thimble, the life of polychrome injection mold is prolonged simultaneously.
Because this patent utilizes the third to inhale oil silk floss and continuously absorbs lubricating oil in follow the batch oil tank through second oil absorption silk floss and first oil absorption silk floss, second oil absorption silk floss and third oil absorption silk floss are porous material, under the circumstances that the inside lubricating oil of batch oil tank is not enough, the circumstances that lubricating oil local transmission is uneven easily appears in the in-process that second oil absorption silk floss and first oil absorption silk floss transmit lubricating oil to the third oil absorption silk floss, and then has influenced the lubrication effect of thimble, inconvenient use.
Disclosure of utility model
The utility model aims to provide an injection mold for multicolor color mixing.
The technical problems solved by the utility model are as follows: under the condition that the lubricating oil in the oil storage tank is insufficient, the condition that the lubricating oil is locally transferred unevenly easily occurs in the process that the second oil absorption cotton and the first oil absorption cotton transfer the lubricating oil to the third oil absorption cotton by the existing equipment, and then the lubricating effect of the thimble is affected.
The utility model can be realized by the following technical scheme: the utility model provides an injection mold of polychrome colour mixture, including last mould and rather than assorted lower mould, the inside of lower mould is provided with demoulding mechanism, demoulding mechanism includes lubricated subassembly, and lubricated subassembly includes at least two fixed ring cover that set up in last mould inside, at least two oil absorption sponge and a plurality of evenly distributed's coating ball, and the inside of ring cover has been seted up the inside groove, and oil absorption sponge sliding connection is in the inside of inside groove, and coating ball roll connection is in the inboard of ring cover, and the coating ball contacts with the oil absorption sponge.
The utility model further technically improves that: the lubricating assembly further comprises communicating pipes with the same number as the oil absorption sponges and oil absorption pipes with the same number as the annular sleeves, one end of each communicating pipe is communicated with the inner groove in the annular sleeve, and the other end of each communicating pipe is communicated with the oil absorption pipe.
The utility model further technically improves that: the demoulding mechanism further comprises an oil supply tank fixedly arranged at the bottom end of the lower mould, and the top end of the oil supply tank is communicated with the oil suction pipe.
The utility model further technically improves that: the lubrication assembly further comprises a telescopic piece, the oil absorption sponge is connected with the inner wall of the inner groove through the telescopic piece, the telescopic piece comprises convex columns and sliding rods, the number of the convex columns and the number of the sliding rods are the same as that of the oil absorption sponge, and the sliding rods are connected inside the convex columns in a sliding mode.
The utility model further technically improves that: the telescopic piece still includes the fixed extrusion spring that sets up in the sliding tray inner wall, and the one end and the extrusion spring of slide bar are connected, and the other end is connected with the oil absorption sponge.
The utility model further technically improves that: the demolding mechanism further comprises a thimble assembly, the thimble assembly comprises at least two thimbles which are symmetrically distributed, the thimbles are slidably connected to the inner portion of the upper mold, and the annular sleeve is located outside the thimbles and the coating balls on the inner sides of the annular sleeve are in contact with the thimbles.
The utility model further technically improves that: the thimble assembly also comprises a supporting spring connected with the bottom of the inner wall of the cavity and a connecting plate connected with the thimble, and the top end of the supporting spring is connected with the connecting plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, a plurality of coating balls can rotate through continuous upward movement of the thimble, when the coating balls rotate, the oil absorption sponge can be extruded, and then the extrusion spring is extruded by the oil absorption sponge through the sliding rod, so that the extrusion spring can vibrate reciprocally, lubricating oil in the oil absorption sponge can be coated on the coating balls uniformly, the coating balls are contacted with the outer surfaces of the thimble, the uniformity of coating on the outer surfaces of the thimble is ensured, the lubricating effect of the thimble is ensured, and the thimble is convenient to use.
2. The annular sleeve is made of hard materials, and the oil-absorbing sponge is wrapped by the annular sleeve, so that the oil-absorbing sponge can be protected, and can be prevented from being in direct contact with outside air, and further the service life of the oil-absorbing sponge can be prolonged.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged view of a portion of the portion A shown in FIG. 1;
FIG. 3 is a schematic view of the three-dimensional structure of the lubrication assembly shown in FIG. 1 (bottom view);
FIG. 4 is a schematic top view of the structure shown in FIG. 3;
FIG. 5 is a cross-sectional view of the partial structure shown in FIG. 3;
FIG. 6 is an enlarged view of a portion at B shown in FIG. 5;
fig. 7 is a partial enlarged view at C shown in fig. 6.
In the figure:
1. a lower die;
2. an upper die;
3. A cavity;
4. A demoulding mechanism; 41. a thimble assembly; 411. a support spring; 412. a connecting plate; 413. a thimble; 42. a lubrication assembly; 421. an annular sleeve; 422. an inner tank; 423. a telescoping member; 4231. a convex column; 4232. a sliding groove; 4233. extruding a spring; 4234. a slide bar; 424. an oil absorbing sponge; 425. a communication groove; 426. coating the ball; 427. a communicating pipe; 428. an oil suction pipe; 43. and an oil supply tank.
Detailed Description
In order to further describe the technical means and effects adopted by the utility model for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the utility model with reference to the attached drawings and the preferred embodiment.
Referring to fig. 1-7, the embodiment provides a technical scheme, an injection mold with multicolor color mixing, which comprises an upper mold 2 and a lower mold 1 matched with the upper mold 2, wherein a cavity 3 is formed in the lower mold 1, a demolding mechanism 4 is arranged in the cavity 3, the demolding mechanism 4 comprises a lubrication assembly 42, the lubrication assembly 42 comprises at least two annular sleeves 421 fixedly arranged at the top of the inner wall of the cavity 3, at least two oil absorption sponges 424 and a plurality of uniformly distributed coating balls 426, the annular sleeves 421 are made of hard materials, and the oil absorption sponges 424 are wrapped by the annular sleeves 421, so that the oil absorption sponges 424 can be protected, can be prevented from being in direct contact with external air, and further the service life of the oil absorption sponges 424 can be prolonged; the inside of annular cover 421 has seted up inside groove 422, oil absorption sponge 424 sliding connection is in the inside of inside groove 422, at least two oil absorption sponges 424 are annular array and distribute in the inside of inside groove 422, coating ball 426 roll connection is in the inboard of annular cover 421, a plurality of coating balls 426 are annular array and distribute in the inboard of annular cover 421, contact through coating ball 426 and oil absorption sponge 424 in this embodiment, make the inside lubricating oil of oil absorption sponge 424 can evenly coat to coating ball 426, and then make things convenient for the follow-up evenly to coat the lubricating oil at the surface of thimble 413 through coating ball 426.
In this embodiment, as shown in fig. 1, two injection molding pipes are communicated with the upper surface of the upper die 2, two first grooves are formed in the upper die 2, a plurality of second grooves are symmetrically formed in the bottom of the upper die 2, the number of the second grooves is not less than three, the injection molding pipes are communicated with the first grooves, and the second grooves are communicated with the first grooves; organic solvents with different colors can be injected into the lower die 1 through the two injection molding pipes, the injected organic solvents enter the first groove, and then enter the molding space of the injection molding part through the second groove, so that uniform injection molding is realized, and the injection molding effect is improved;
More specifically, as shown in fig. 6, the inner wall of the inner tank 422 is provided with communication grooves 425 having the same number as the coating balls 426, the communication grooves 425 are communicated with the inside of the inner tank 422, and the coating balls 426 are convenient to rotate by the arrangement of the communication grooves 425; in this embodiment, the coating ball 426 is connected to the inside of the communicating groove 425 through the rotation shaft, and the stability of the coating ball 426 during rotation is ensured through the arrangement of the rotation shaft.
The demolding mechanism 4 further comprises a thimble assembly 41, wherein the thimble assembly 41 comprises at least two symmetrically distributed thimbles 413, and the thimbles 413 are used for ejecting products after injection molding; the thimble 413 is slidably connected to the inside of the cavity 3, the annular sleeve 421 is located outside the thimble 413 and the coated ball 426 on the inside thereof is in contact with the thimble 413.
The ejector pin assembly 41 further comprises a supporting spring 411 connected with the bottom of the inner wall of the cavity 3 and a connecting plate 412 connected with the ejector pin 413, wherein the top end of the supporting spring 411 is connected with the connecting plate 412, and stability of the connecting plate 412 during sliding is guaranteed conveniently under the elastic action of the supporting spring 411.
The lubrication assembly 42 further comprises communicating pipes 427 with the same number as the oil absorbing sponge 424 and oil absorbing pipes 428 with the same number as the annular sleeve 421, one end of each communicating pipe 427 is communicated with the inner groove 422 in the annular sleeve 421, the other end of each communicating pipe 427 is communicated with the corresponding oil absorbing pipe 428, each communicating pipe 427 is connected with the corresponding oil absorbing pipe 428 through a three-way pipe fitting or a five-way pipe fitting or other communicating pipe fittings according with the use requirement, and the use type and the specification of each communicating pipe fitting can be adaptively selected according to the actual use requirement.
The demoulding mechanism 4 further comprises an oil supply tank 43 fixedly arranged at the bottom end of the lower mould 1, an oil filling port is arranged on the back surface of the oil supply tank 43, a sealing plug is arranged in the oil filling port, and a user can conveniently fill lubricating oil into the oil supply tank 43 through the arrangement of the oil filling port; the top of the oil supply tank 43 is communicated with the oil suction pipe 428, a valve is arranged at the joint of the oil suction pipe 428 and the oil supply tank 43, the valve is arranged on the oil suction pipe 428, and a user can conveniently and regularly convey lubricating oil to the inner groove 422 in the annular sleeve 421 through the arrangement of the valve.
The lubrication assembly 42 further comprises a telescopic member 423, the oil absorbing sponge 424 is connected with the inner wall of the inner groove 422 through the telescopic member 423, the telescopic member 423 comprises convex columns 4231 and sliding rods 4234, the number of the convex columns 4231 is the same as that of the oil absorbing sponge 424, the sliding rods 4234 are connected with the inner parts of the convex columns 4231 in a sliding mode, and sliding grooves 4232 sliding on the sliding rods 4234 are formed in the inner parts of the convex columns 4231.
More specifically, the oil absorbing sponge 424 includes a sponge body and a mounting plate thereon, the mounting plate being a hard plate, one side of the mounting plate being connected to the sponge body, and the other side being connected to the slide bar 4234.
The extension piece 423 further comprises an extrusion spring 4233 fixedly arranged on the inner wall of the sliding groove 4232, one end of the sliding rod 4234 is connected with the extrusion spring 4233, the other end of the sliding rod 4234 is connected with the oil absorption sponge 424, the plurality of coating balls 426 are enabled to continuously rotate through the reciprocating motion of the ejector pins 413, when the coating balls 426 rotate, the oil absorption sponge 424 is extruded through the coating balls 426, the oil absorption sponge 424 extrudes the extrusion spring 4233 through the sliding rod 4234, the extrusion spring 4233 can vibrate in a reciprocating mode, lubricating oil in the oil absorption sponge 424 is conveniently and evenly coated on the coating balls 426, and the lubricating oil is conveniently coated on the outer surface of the ejector pins 413.
When the injection molding device is used, the upper die 2 is arranged in the lower die 1 through the external driving mechanism, at the moment, the upper die 2 moves into the lower die 1, organic solvents with different colors can be injected into the lower die 1 through two injection molding pipes on the upper die 2, the injected organic solvents enter a first groove, and then enter an injection molding space through a second groove, so that uniform injection molding is realized, and the injection molding effect is improved;
After injection molding is finished, the connecting plate 412 can be moved upwards through the restoring force action of the supporting spring 411, the thimble 413 on the connecting plate 412 is driven to move upwards through the upward movement of the connecting plate 412, in the process that the thimble 413 is continuously moved upwards, as the outer surface of the thimble 413 is in contact with the plurality of coating balls 426 on the inner side of the annular sleeve 421, the plurality of coating balls 426 can rotate, when the coating balls 426 rotate, the oil absorption sponge 424 is extruded through the coating balls 426, the oil absorption sponge 424 is extruded through the sliding rod 4234 to the extruding spring 4233, the extruding spring 4233 can vibrate in a reciprocating mode, therefore lubricating oil in the oil absorption sponge 424 can be conveniently and uniformly coated on the coating balls 426, further lubricating oil can be conveniently and uniformly coated on the outer surface of the thimble 413, the thimble 413 is conveniently and always in a lubricating state, friction force between the thimble 413 and an injection molding piece is reduced, and the service life of the thimble is prolonged;
When the lubricating oil in the oil suction sponge 424 is insufficient for lubricating the outer surface of the thimble 413, the valve on the oil suction pipe 428 can be controlled, so that the lubricating oil in the oil supply tank 43 can be conveyed into the inner groove 422 in the annular sleeve 421 through the communicating pipe 427, and the lubricating oil is conveniently conveyed into the oil suction sponge 424 due to the fact that the position of the communicating pipe 427 corresponds to the position of the oil suction sponge 424, and the subsequent use of equipment is facilitated.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present utility model.
Claims (7)
1. The utility model provides an injection mold of polychrome colour mixture, includes mould (2) and its assorted lower mould (1), its characterized in that: the inside of lower mould (1) is provided with demoulding mechanism (4), demoulding mechanism (4) include lubricated subassembly (42), lubricated subassembly (42) are including at least two fixed ring cover (421) that set up in last mould (2) inside, at least two oil absorption sponge (424) and a plurality of evenly distributed's coating ball (426), inside groove (422) have been seted up to ring cover (421), oil absorption sponge (424) sliding connection in the inside of inside groove (422), coating ball (426) roll connection in the inboard of ring cover (421), coating ball (426) are contacted with oil absorption sponge (424).
2. The multi-color mixing injection mold according to claim 1, wherein the lubrication assembly (42) further comprises communicating pipes (427) of the same number as the oil absorbing sponge (424) and oil absorbing pipes (428) of the same number as the annular sleeve (421), one end of the communicating pipe (427) is communicated with an inner groove (422) inside the annular sleeve (421), and the other end is communicated with the oil absorbing pipes (428).
3. The multi-color mixing injection mold according to claim 2, wherein the demolding mechanism (4) further comprises an oil supply tank (43) fixedly arranged at the bottom end of the lower mold (1), and the top end of the oil supply tank (43) is communicated with the oil suction pipe (428).
4. The injection mold of multi-color mixing according to claim 1, wherein the lubrication assembly (42) further comprises a telescopic member (423), the oil absorbing sponge (424) is connected with the inner wall of the inner groove (422) through the telescopic member (423), the telescopic member (423) comprises a convex column (4231) and a sliding rod (4234) which are the same in number as the oil absorbing sponge (424), and the sliding rod (4234) is slidably connected inside the convex column (4231).
5. The multi-color mixing injection mold according to claim 4, wherein the telescopic member (423) further comprises a compression spring (4233) fixedly arranged on the inner wall of the sliding groove (4232), one end of the sliding rod (4234) is connected with the compression spring (4233), and the other end is connected with the oil absorption sponge (424).
6. The multi-color mixing injection mold according to claim 1, wherein the demolding mechanism (4) further comprises a thimble assembly (41), the thimble assembly (41) comprises at least two symmetrically distributed thimbles (413), the thimbles (413) are slidably connected to the inside of the upper mold (2), and the annular sleeve (421) is located at the outside of the thimbles (413) and the coating balls (426) at the inner side of the annular sleeve are in contact with the thimbles (413).
7. The multi-color mixing injection mold according to claim 6, wherein the ejector pin assembly (41) further comprises a supporting spring (411) connected with the bottom of the inner wall of the cavity (3) and a connecting plate (412) connected with the ejector pin (413), and the top end of the supporting spring (411) is connected with the connecting plate (412).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493480.7U CN220883179U (en) | 2023-09-14 | 2023-09-14 | Injection mold of polychrome colour mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493480.7U CN220883179U (en) | 2023-09-14 | 2023-09-14 | Injection mold of polychrome colour mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220883179U true CN220883179U (en) | 2024-05-03 |
Family
ID=90867576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322493480.7U Active CN220883179U (en) | 2023-09-14 | 2023-09-14 | Injection mold of polychrome colour mixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220883179U (en) |
-
2023
- 2023-09-14 CN CN202322493480.7U patent/CN220883179U/en active Active
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