CN217993383U - Novel die inner cutting nozzle structure - Google Patents
Novel die inner cutting nozzle structure Download PDFInfo
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- CN217993383U CN217993383U CN202222317928.5U CN202222317928U CN217993383U CN 217993383 U CN217993383 U CN 217993383U CN 202222317928 U CN202222317928 U CN 202222317928U CN 217993383 U CN217993383 U CN 217993383U
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- thimble
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- cavity
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- 238000005520 cutting process Methods 0.000 title claims abstract description 36
- 239000003292 glue Substances 0.000 claims abstract description 47
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 38
- 238000000034 method Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 239000004033 plastic Substances 0.000 abstract description 8
- 229920003023 plastic Polymers 0.000 abstract description 8
- 238000004026 adhesive bonding Methods 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a novel mould inner cutting mouth structure in the technical field of mould, which comprises a movable mould component, a fixed mould component and a cutter component, wherein the cutter component comprises a product thimble, a flow passage thimble and a glue opening thimble, the glue opening material is strained through a barb, so that the position of the glue opening material is limited, and the product and the glue opening material are punched through a beveling cutting edge, so that the product is separated from the glue opening material, and the product is ejected through the product thimble; the utility model discloses a process of once ejecting drawing of patterns and separation of carrying out, realize the ejecting effect of secondary, realize the function of the interior contact rubber mouth material of mould simultaneously, thereby play the effect that improves production efficiency, reduction in production cost and manufacturing cost, when the goods thimble, runner thimble or glue a mouthful thimble cause the damage, can change alone, play the effect that reduces the maintenance cost, through after the completion of moulding plastics, before the mouth that glues solidifies, glue mouthful thimble earlier and cut off the mouth that glues, then the die sinking again, save the secondary in production and get rid of the mouth process of gluing.
Description
Technical Field
The utility model belongs to the technical field of the mould technique and specifically relates to indicate a novel mould inner cutting mouth of a river structure.
Background
An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used in mass production of some parts having complex shapes. Specifically, the method comprises the steps of injecting molten plastic into a mold cavity from an injection molding machine at high pressure, and cooling and solidifying to obtain a formed product.
The product that injection mold made all has one to advance jiao kou, and the common way is all that the product takes out from injection molding machine the inside back and cuts out the jiao kou with the sword, cuts into the unevenness that glues mouthful and cut and seriously influence product appearance very easily when gluing mouthful, leads to the product to scrap, wastes a large amount of manpower and material resources.
The plastic injection product is connected with the plastic material after injection molding, and the product can be normally used only by removing the plastic material. At present, production needs to be subjected to secondary processing after injection molding to remove the gate material, as shown in fig. 1, a traditional ejection mechanism is adopted for demolding in the prior art, and a glue removing process is added, as shown in fig. 2, so that the process is increased and the working efficiency is reduced.
Disclosure of Invention
Utility model is not enough to overcome the above condition, aims at providing a technical scheme that can solve above-mentioned problem.
A novel in-mold water cutting opening structure comprises a movable mold assembly, a fixed mold assembly and a cutter assembly, wherein the movable mold assembly comprises a movable mold base, an ejector pin plate, an ejector pin fixing plate and a mold cavity fixing plate, the fixed mold assembly comprises a fixed mold base and a mold core fixing plate, the cutter assembly comprises a product ejector pin, a flow channel ejector pin and a glue opening ejector pin, a position avoiding groove used for containing the product ejector pin and the flow channel ejector pin is formed in the ejector pin fixing plate, the position avoiding groove extends into the ejector pin plate, the ejector pin plate is located between the ejector pin fixing plate and the movable mold base, one end of the product ejector pin and one end of the flow channel ejector pin sequentially penetrate through the ejector pin fixing plate and the ejector pin plate, and a mold cavity and a mold core are respectively arranged in the mold cavity fixing plate and the mold core fixing plate;
the one end of goods thimble, runner thimble and jiao kou thimble all extends to the inside of die cavity, the die cavity is used for the shaping goods, the arranging well has been seted up to the inside of core, the arranging well is interior concavity, and be circular-arcly, the one end of runner thimble is the barb, the one end of jiao kou thimble is oblique cutting edge, oblique cutting edge is 45 degrees oblique angles, the internally mounted of thimble fixed plate has the return stroke pole that is used for resetting, the die cavity is used for the shaping goods, when the goods shaping, the one end of goods has jiao kou material, it is taut to jiao kou material through the barb of runner thimble one end, thereby carry out the position to jiao kou material and prescribe a limit, when oblique cutting edge when jiao kou thimble one end moves to the direction of jiao kou material, die-cut is carried out to goods and jiao kou material through oblique cutting edge, thereby make goods separate with jiao kou material, make goods ejecting to the outside of die cavity through the goods thimble.
Furthermore, the product thimble and the runner thimble penetrate through one end of the thimble plate and are attached to the surface of the movable mold base, one end of the glue opening thimble is located inside the thimble fixing plate, the glue opening thimble is located between the product thimble and the runner thimble, and when the thimble fixing plate is pushed by the thimble plate, the product thimble, the runner thimble and the glue opening thimble are driven by the thimble fixing plate and the thimble plate to move towards the cavity, so that blanking force is generated to separate the product from the glue opening.
Furthermore, one end of the return rod penetrates through the surface of the cavity fixing plate and extends beyond the surface of the cavity fixing plate, the highest point of the return rod is lower than the surface of the core fixing plate, the interval between the highest point of the return rod and the core fixing plate is 0.5mm, and the arrangement of 0.5mm is reserved between the return rod and the core fixing plate, so that when the ejector pin fixing plate and the ejector pin plate drive the return rod to move towards the direction of the cavity, one end of the return rod is prevented from colliding with the surface of the core fixing plate.
Furthermore, keep away the minimum of position groove and the one end interval 1mm of product thimble and runner thimble, when the thimble board removed, keep away the position groove through the inside thimble fixed plate and keep away the instantaneous power that the thimble board produced, avoid the dynamics that the thimble board produced to cause the harm to the one end of product thimble and runner thimble.
Furthermore, a cushion block is arranged between the cavity fixing plate and the movable die base, two ends of the cushion block are respectively attached to the surfaces of the cavity fixing plate and the movable die base, and contact points of the cavity fixing plate and the movable die base are increased through the cushion block, so that the effect of increasing supporting force is achieved, and the possibility that the movable die base and the cavity fixing plate deform under the impact of pressure is reduced.
Furthermore, the inside of the cavity fixing plate is provided with a guide pillar, the inside of the core fixing plate is provided with a guide sleeve which is matched with the guide pillar, one end of the guide sleeve is attached to the surface of the cushion block, the guide pillar and the guide sleeve are in clearance fit, the guide sleeve is connected with the movable mold assembly and the fixed mold assembly through the guide pillar to position the movable mold assembly and the fixed mold assembly, and the movable mold assembly and the fixed mold assembly are prevented from being scrapped due to inaccurate positioning when the movable mold assembly and the fixed mold assembly are closed.
Further, the movable die holder, the ejector pin plate, the ejector pin fixing plate and the cavity fixing plate as well as the fixed die holder and the core fixing plate are all abutted through screws, and the movable die assembly and the fixed die assembly are of a separated structure.
Compared with the prior art, the beneficial effects of the utility model are that: the method comprises the following steps that a rubber orifice material is tensioned through a barb at one end of a runner thimble, so that the position of the rubber orifice material is limited, when a beveled cutting edge at one end of the rubber orifice thimble moves towards the direction of the rubber orifice material, a product and the rubber orifice material are punched through the beveled cutting edge, so that the product is separated from the rubber orifice material, and the product is ejected out of a cavity through a product thimble;
the utility model discloses a process of once ejecting drawing of patterns and separation of carrying out, realize the ejecting effect of secondary, realize the function of the interior contact rubber mouth material of mould simultaneously, reduce the die sinking number of times in the increase of output, thereby play the effect that improves production efficiency, reduction in production cost and manufacturing cost, when the goods thimble, runner thimble or glue a mouthful thimble cause the damage, can change alone, play the effect that reduces the maintenance cost, reduce the expenditure of cost, through moulding plastics after accomplishing, glue mouthful before solidifying, glue mouthful thimble and cut off with gluing mouthful earlier, then the die sinking, save the secondary in putting into production and get rid of the jiao kou process.
Drawings
FIG. 1 is a schematic view of the opening of a prior art in-mold cutting gate of the prior art;
FIG. 2 is a schematic diagram of a prior art ejection mechanism;
FIG. 3 is a full sectional view of a novel in-mold cutting gate structure;
FIG. 4 is an enlarged partial view of A of FIG. 3;
FIG. 5 is an enlarged partial view of B of FIG. 3;
FIG. 6 is an enlarged partial view of C of FIG. 3;
FIG. 7 is a schematic view of the novel in-mold cutting gate structure;
FIG. 8 is a reference view of the novel in-mold cutting gate structure in use;
FIG. 9 is a front view of a cutter assembly in a novel in-mold cutting gate structure;
in fig. 1-2: a-a movable mold, B-a fixed mold, C-a product thimble, D-a runner thimble, an E-return rod and an F-product;
in fig. 3-9: 1-movable die holder, 2-ejector pin plate, 3-ejector pin fixing plate, 4-cavity fixing plate, 5-fixed die holder, 6-core fixing plate, 7-product ejector pin, 8-runner ejector pin, 9-glue port ejector pin, 10-avoiding groove, 11-cavity, 12-core, 13-product, 14-discharging well, 15-barb, 16-beveling blade, 17-return rod, 18-cushion block, 19-guide pillar, 20-guide sleeve and 21-glue port material.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In this embodiment, please refer to fig. 3-9, a novel mold internal gate cutting structure specifically implemented by the novel mold internal gate cutting structure includes a movable mold component, a fixed mold component and a cutter component, the movable mold component includes a movable mold base 1, an ejector pin plate 2, an ejector pin fixing plate 3 and a mold cavity fixing plate 4, the fixed mold component includes a fixed mold base 5 and a mold core fixing plate 6, the cutter component includes a product ejector pin 7, a runner ejector pin 8 and a glue opening ejector pin 9, a clearance groove 10 for accommodating the product ejector pin 7 and the runner ejector pin 8 is formed in the ejector pin fixing plate 3, the clearance groove 10 extends into the ejector pin plate 2, the ejector pin plate 2 is located between the ejector pin fixing plate 3 and the movable mold base 1, one end of the product ejector pin 7 and one end of the runner ejector pin 8 sequentially penetrate through the ejector pin fixing plate 3 and the ejector pin plate 2, and the mold cavity fixing plate 4 and the mold core fixing plate 6 are respectively provided with a mold cavity 11 and a mold core 12;
one end of each of the product thimble 7, the runner thimble 8 and the glue port thimble 9 extends into the cavity 11, the cavity 11 is used for molding a product 13, the core 12 is internally provided with a material discharging well 14, the material discharging well 14 is concave and is arc-shaped, one end of the runner thimble 8 is a barb 15, one end of the glue port thimble 9 is a beveled cutting edge 16, the beveled cutting edge 16 is at an oblique angle of 45 degrees, a return rod 17 for resetting is installed inside the thimble fixing plate 3, the cavity 11 is used for molding the product 13, when the product 13 is molded, one end of the product 13 is provided with the glue port 21, the glue port 21 is tensioned through the barb 15 at one end of the runner thimble 8, so that the position of the glue port 21 is limited, when the beveled cutting edge 16 at one end of the glue port thimble 9 moves towards the glue port 21, the product 13 and the glue port 21 are punched through the beveled cutting edge 16, so that the product 13 is separated from the glue port 21, and the product 13 is ejected out of the cavity 11 through the product thimble 7.
The product ejector pin 7 and the runner ejector pin 8 penetrate through one end of the ejector plate 2 to be attached to the surface of the movable mold base 1, one end of the glue port ejector pin 9 is located inside the ejector fixing plate 3, the glue port ejector pin 9 is located between the product ejector pin 7 and the runner ejector pin 8, and when the ejector plate 2 pushes the ejector fixing plate 3, the product ejector pin 7, the runner ejector pin 8 and the glue port ejector pin 9 are driven by the ejector fixing plate 3 and the ejector plate 2 to move towards the direction of the cavity 11, so that blanking force is generated to separate the product 13 from the glue port 21.
One end of the return rod 17 penetrates through the surface of the cavity fixing plate 4 and extends beyond the surface of the cavity fixing plate 4, the highest point of the return rod 17 is lower than the surface of the core fixing plate 6, the highest point of the return rod 17 is spaced from the core fixing plate 6 by 0.5mm, and the arrangement of 0.5mm is reserved between the return rod 17 and the core fixing plate 6, so that when the ejector fixing plate 3 and the ejector plate 2 drive the return rod 17 to move towards the cavity 11, collision between one end of the return rod 17 and the surface of the core fixing plate 6 is avoided.
The lowest point of the avoiding groove 10 is spaced from one end of the product thimble 7 and one end of the flow channel thimble 8 by 1mm, and when the thimble plate 2 moves, the avoiding groove 10 in the thimble fixing plate 3 avoids instant force generated by the thimble plate 2, so that damage to one end of the product thimble 7 and one end of the flow channel thimble 8 caused by the force generated by the thimble plate 2 is avoided; be equipped with cushion 18 between die cavity fixed plate 4 and the movable mould seat 1, the both ends of cushion 18 laminate with the surface of die cavity fixed plate 4 and movable mould seat 1 respectively, increase the contact point of die cavity fixed plate 4 and movable mould seat 1 through cushion 18 to play the effect of increase supporting force, play and reduce movable mould seat 1 and die cavity fixed plate 4 and produce the possibility of warping under the impact of pressure.
A guide pillar 19 is arranged inside the cavity fixing plate 4, a guide sleeve 20 which is installed in a matched manner with the guide pillar 19 is arranged inside the core fixing plate 6, one end of the guide sleeve 20 is attached to the surface of the cushion block 18, the guide pillar 19 and the guide sleeve 20 are in clearance fit, the guide sleeve 20 is connected through the guide pillar 19, so that the movable mold assembly and the fixed mold assembly are positioned, and the movable mold assembly and the fixed mold assembly are prevented from being scrapped due to inaccurate positioning when the movable mold assembly and the fixed mold assembly are closed; the movable die holder 1, the ejector plate 2, the ejector fixing plate 3 and the cavity fixing plate 4, and the fixed die holder 5 and the core fixing plate 6 are abutted through screws, and the movable die assembly and the fixed die assembly are of a separated structure.
The utility model discloses a design point lies in, through the barb 15 of 8 one ends of runner thimble take-up to jiao kou material 21 to carry out the position to jiao kou material 21 and prescribe a limit to, when the oblique cutting edge 16 of gluing a mouthful thimble 9 one end removes to the direction of gluing kou material 21, carry out die-cut to goods 13 and jiao kou material 21 through oblique cutting edge 16, thereby make goods 13 separate with jiao kou material 21, make the outside that goods 13 was ejecting to die cavity 11 through goods thimble 7.
The utility model discloses an action process does: when the movable die assembly and the fixed die assembly are assembled, a molded product 13 is matched with the die core 12 through the die cavity 11, the die cavity fixing plate 4 is driven through the movable die holder 1, the die cavity fixing plate 4 is separated from the surface of the die core fixing plate 6, and when the ejector pin fixing plate 3 is pushed by the ejector pin plate 2, the product ejector pin 7, the runner ejector pin 8 and the glue opening ejector pin 9 are driven by the ejector pin fixing plate 3 and the ejector pin plate 2 to move towards the direction of the die cavity 11, so that blanking force is generated to separate the product 13 from the glue opening 21.
The position of the rubber orifice material 21 is limited by tensioning the rubber orifice material 21 through the barb 15 at one end of the runner thimble 8, when the beveled cutting edge 16 at one end of the rubber orifice thimble 9 moves towards the direction of the rubber orifice material 21, the product 13 and the rubber orifice material 21 are punched through the beveled cutting edge 16, so that the product 13 is separated from the rubber orifice material 21, and the product 13 is ejected out of the cavity 11 through the product thimble 7.
The guide sleeve 20 is connected through the guide pillar 19 to enable the movable mould component and the fixed mould component to be positioned, and the movable mould component and the fixed mould component are prevented from being scrapped due to inaccurate positioning when the movable mould component and the fixed mould component are assembled.
After injection molding and pressure maintaining are finished, before a glue opening is solidified, the ejector plate 2 is ejected by 0.5mm, the glue opening ejector pins 9 are ejected to separate a product 13 from a glue opening material, meanwhile, the glue opening material is compressed to the discharge well 14, the product ejector pins 7 and the runner ejector pins 8 are fixed due to avoidance positions of the product ejector pins and the ejector plate 2, after mold opening is carried out, the ejector plate 2 continues to be ejected forwards, the product ejector pins 7, the runner ejector pins 8 and the glue opening ejector pins 9 are ejected synchronously, separation of the product 13 from the glue opening material is realized, a process of demolding and separating can be carried out by one-time ejection, the effect of secondary ejection is realized, and the function of cutting the glue opening material in a mold is realized simultaneously.
The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model discloses the ordinary skilled person in technical field does not deviate from the utility model discloses under the prerequisite of conceiving, can also make a plurality of simple deductions or replacement, all should regard as the utility model discloses a scope of protection.
Claims (7)
1. The utility model provides a novel mouth of a river structure is cut in mould, includes movable mould subassembly, cover half subassembly and cutter unit spare, its characterized in that: the fixed die assembly comprises a fixed die base and a core fixing plate, the cutter assembly comprises a product thimble, a runner thimble and a glue opening thimble, a position avoiding groove for containing the product thimble and the runner thimble is formed in the thimble fixing plate, the position avoiding groove extends into the thimble plate, the thimble plate is positioned between the thimble fixing plate and the movable die base, one end of the product thimble and one end of the runner thimble sequentially penetrate through the thimble fixing plate and the thimble plate, and a cavity and a core are respectively arranged in the core fixing plate and the cavity fixing plate;
the one end of goods thimble, runner thimble and gum mouth thimble all extends to the inside of die cavity, and the die cavity is used for the shaping goods, and the blowdown well has been seted up to the inside of core, and the blowdown well is interior concavity, and is circular-arcly, and the one end of runner thimble is the barb, and the one end of gum mouth thimble is for beveling the cutting edge, and the beveling cutting edge is 45 degrees oblique angles, and the internally mounted of thimble fixed plate has the return stroke pole that is used for resetting.
2. The novel die-cutting gate structure according to claim 1, characterized in that: one end of the product thimble and one end of the flow channel thimble, which penetrate through the thimble plate, are attached to the surface of the movable mold base, one end of the glue opening thimble is positioned in the thimble fixing plate, and the glue opening thimble is positioned between the product thimble and the flow channel thimble.
3. The novel in-mold cutting gate structure according to claim 2, characterized in that: one end of the return rod penetrates through the surface of the cavity fixing plate and extends beyond the surface of the cavity fixing plate, the highest point of the return rod is lower than the surface of the core fixing plate, and the highest point of the return rod is 0.5mm away from the core fixing plate.
4. The novel in-mold cutting gate structure according to any one of claims 1 to 3, wherein: the lowest point of the avoiding groove is spaced from one end of the product thimble and one end of the flow channel thimble by 1mm.
5. The novel in-mold cutting gate structure according to any one of claims 1 to 3, wherein: and a cushion block is arranged between the cavity fixing plate and the movable die base, and two ends of the cushion block are respectively attached to the surfaces of the cavity fixing plate and the movable die base.
6. The novel in-mold cutting gate structure according to claim 5, characterized in that: the internally mounted of die cavity fixed plate has the guide pillar, and the guide pin bushing of pairing the installation with the guide pillar is seted up to the inside of core fixed plate, and the one end of guide pin bushing is laminated with the surface of cushion, and the guide pillar is clearance fit with the guide pin bushing.
7. The novel in-mold cutting gate structure according to any one of claims 1 to 3, wherein: the movable mould base, the ejector pin plate, the ejector pin fixing plate and the cavity fixing plate as well as the fixed mould base and the core fixing plate are all abutted through screws, and the movable mould assembly and the fixed mould assembly are of a separated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222317928.5U CN217993383U (en) | 2022-09-01 | 2022-09-01 | Novel die inner cutting nozzle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222317928.5U CN217993383U (en) | 2022-09-01 | 2022-09-01 | Novel die inner cutting nozzle structure |
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| Publication Number | Publication Date |
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| CN217993383U true CN217993383U (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222317928.5U Active CN217993383U (en) | 2022-09-01 | 2022-09-01 | Novel die inner cutting nozzle structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214092A (en) * | 2022-09-01 | 2022-10-21 | 广东厚为电子有限公司 | A new type of in-die cutting nozzle structure |
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2022
- 2022-09-01 CN CN202222317928.5U patent/CN217993383U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214092A (en) * | 2022-09-01 | 2022-10-21 | 广东厚为电子有限公司 | A new type of in-die cutting nozzle structure |
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