CN212472273U - Automatic cut mould structure at mouth of a river - Google Patents
Automatic cut mould structure at mouth of a river Download PDFInfo
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- CN212472273U CN212472273U CN202022037174.9U CN202022037174U CN212472273U CN 212472273 U CN212472273 U CN 212472273U CN 202022037174 U CN202022037174 U CN 202022037174U CN 212472273 U CN212472273 U CN 212472273U
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Abstract
The utility model discloses an automatic mould structure at incision mouth, the mould body is equipped with into gluey groove and injection moulding chamber, the space formation product in the injection moulding intracavity decides the die cavity, it communicates with each other with product design chamber through the runner to advance gluey groove, the incision mouth structure on the mould body includes the hydro-cylinder, the slider, the push rod, change the board, the cutter, the hydro-cylinder passes through the hydro-cylinder fixed block to be fixed on the mould body, the spout in the hydro-cylinder fixed block is arranged in to the slider, the hydro-cylinder passes through the slider to be connected with the push rod, the push rod stretches out and stretches into in the mounting groove of mould from the spout in, change the board to fix in the mounting groove through changeing the round pin, the first inclined plane of push rod and the one end butt of changeing the board, the bottom of mounting groove is equipped with the cutter groove and is used for putting the cutter, the other. The utility model discloses need not artifical die sinking cutting mouth of a river, convenient and fast has improved production efficiency, has reduced the manufacturing cost of artifical cut mouth of a river.
Description
Technical Field
The utility model relates to a PP-R accessory technical field that moulds plastics especially relates to an automatic mould structure of cutting mouth of a river.
Background
At present, most of automatic cutting-off water gaps in the mold is achieved by utilizing concealed glue feeding, the problems of poor water gap cuts, difficulty in adjusting flow patterns, poor product performance, shrinking product appearance and the like of PP-R accessories are prone to occurring, the glue feeding holes are generally required to be manually cut after the PP-R accessories with large water gaps are used for plastic injection, the manual production efficiency is low, and full-automatic production cannot be achieved. For example, patent CN208290400U discloses an automatic gate cutting mold structure, which uses sliding shearing of a dividing device to realize in-mold cutting of a gate, and can cut the gate, but the mold structure needs to be manually opened and then manually pushed by a person to cut, which is inefficient. Therefore, a water gap cutting scheme with high applicability, convenience, rapidness and lower cost is lacked at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic cut mould structure in mouth of a river, this mould structure can cut the mouth of a river automatically, need not artifical die sinking cutting mouth of a river, and convenient and fast has improved production efficiency, has reduced the manufacturing cost in artifical cut mouth of a river.
The technical scheme of the utility model is that:
a mold structure of an automatic water cutting opening comprises a mold body, wherein the mold body is provided with a glue feeding groove, an injection molding cavity is arranged inside the mold body, an insert is arranged in the injection molding cavity, a product fixing cavity is formed by a gap between the insert and the injection molding cavity, the bottom of the glue feeding groove is communicated with the product fixing cavity through a flow channel, one side of the mold body is fixedly provided with a water cutting opening structure, the water cutting opening structure comprises an oil cylinder, an oil cylinder fixing block, a sliding block, a push rod, a rotating plate and a cutter, the oil cylinder is fixed in the oil cylinder fixing block, the oil cylinder fixing block is fixed on one side of the mold body through a bolt, a sliding groove is formed in the oil cylinder fixing block, the sliding block is arranged in the sliding groove, an extending shaft of the oil cylinder is connected with one side of the sliding block, the other side of the sliding block, the push rod is stretched out and stretched into in the spout in the mounting groove, the commentaries on classics board is fixed in the mounting groove through changeing the round pin, the push rod is equipped with first inclined plane, first inclined plane with the one end butt of commentaries on classics board, the cutter groove has been seted up to bottom one side of mounting groove, the cutter body of cutter is arranged in the cutter groove, the top of its handle of a knife is fixed the other end bottom of commentaries on classics board, the cutter body of cutter with the push rod dislocation set, the bottom in cutter groove with the income jiao kou of runner communicates with each other.
The utility model discloses a research analysis again to PP-R mould increases the cut mouth of a river structure of hot cut runner in a set of mould on the mould. The utility model discloses a cut mouth of a river structure is like this action: when the glue of moulding plastics pours into through advancing the glue groove, and flow into the product design intracavity through the runner from advancing the glue groove, glue forms the pipe fitting product at product design intracavity, the back is accomplished in the moulding plastics, promote the slider by the hydro-cylinder of installing on the hydro-cylinder fixing base this moment and slide forward in the spout, and then the slider promotes the push rod and moves forward in the mounting groove, under the effect of the first inclined plane of push rod, make the revolving plate of installing on the commentaries on classics round pin rotate, the revolving plate rotates the in-process, its terminal handle of a knife that oppresses the cutter moves down, and then the cutting edge that makes the cutter cuts the mouth of a river downwards in the cutter groove.
Further, a limiting block is arranged below the cutter handle of the cutter, and the limiting block is fixed in the mounting groove and is arranged on one side of the notch of the cutter groove. The stopper is used for carrying on spacingly to the undercut degree of depth of cutter, forms spacingly when the bottom of handle of a knife contacts the stopper, avoids the undercut distance of cutter too much, influences the outer wall of product.
Further, the cutter is the T font, and the top of T font is the handle of a knife, and the montant of T font is the cutter body, and the bottom of cutter body is the cutting edge.
Furthermore, the top of the knife handle is fixedly connected with the bottom of the rotating plate, and the bottom of the knife handle is abutted to the tail end of the push rod.
Further, the tail end of the push rod is provided with a second inclined surface, and one side of the bottom of the knife handle is provided with a chute attached to the second inclined surface.
When water gap cutting is carried out, the oil cylinder pushes the push rod to move forwards through the sliding block, the rotating plate arranged on the rotating pin is rotated under the action of the first inclined surface of the push rod, meanwhile, the second inclined surface at the tail end of the push rod moves forwards to be attached to the chute on the side surface of the cutter handle of the cutter, in the rotating process of the rotating plate, the tail end of the rotating plate presses the cutter handle of the cutter to move downwards, the second inclined surface is cut into the chute upwards, the cutter body of the cutter slowly moves downwards to cut the water gap until the second inclined surface is completely attached to the chute, and the cutter edge at the bottom of the cutter body completes; then the oil cylinder pulls the sliding block backwards to enable the sliding block to drive the push rod to move outwards, in the process of outward movement of the push rod, one end, in contact with the first inclined surface, of the rotating plate slides down from the first inclined surface, meanwhile, the second inclined surface gradually separates downwards from the chute, the knife handle is jacked up, the bottom of the knife handle is separated from the limiting block, the other end of the rotating plate drives the cutter to move upwards until the top end of the second inclined surface at the tail end of the push rod is in contact with the edge of the bottom of the knife handle of the cutter, at the moment, the oil cylinder stops, and the cutter; and opening the mold to take out the injection molding finished product after the water gap is cut off, and recycling the next operation.
Further, the top of mould body is equipped with the holding ring for fix a position the mould body.
Furthermore, the positioning ring is provided with a glue inlet insert at the inlet of the glue inlet groove, and the glue inlet insert corresponds to the glue inlet groove. When injecting glue, the glue can flow into the glue groove smoothly.
Furthermore, the inlet of the glue inlet insert is horn-shaped, so that the injection of glue is accelerated.
Furthermore, the glue inlet of the product fixed cavity, into which the flow channel flows, is gradually narrowed, so that the injection speed of glue is slowed down, and the glue is prevented from splashing and flowing into the cutter groove.
Furthermore, the mould body is formed by combining an upper mould and a lower mould, after the product is subjected to injection moulding and the water gap is cut off by the blade of the cutter in the mould, the upper mould and the lower mould can be demoulded to take out a finished product so as to continue to carry out the next operation.
The utility model has the advantages that:
the utility model discloses a mould structure can be in mould production process product pressurize accomplish the back, and when the product did not still not have the die sinking in the cooling, just can utilize the hydro-cylinder to drive the crowded disconnected mouth of a river of cutting the mouth of a river structure when product and mouth of a river still do not cool off in the mould inside, realize novel exempting from to cut the technique, because crowded disconnected mouth of a river is that the product was accomplishing the action when cooling in the mould when the mould did not have the die sinking, so can not increase the production cycle of product, improved production efficiency, reduced the manufacturing cost of artifical cut mouth of a river.
Drawings
Fig. 1 is a schematic view of the mold structure of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view of the position of the push rod and the cutter;
FIG. 4 is a schematic view of the position of the cutter at the beginning of the water gap cut;
FIG. 5 is a schematic view of the position of the cutter at the completion of the cutting of the nozzle;
in the figure: the mould comprises a mould body 1, an upper mould 101, a lower mould 102, a glue inlet groove 2, a product fixed cavity 3, a flow channel 4, an oil cylinder 5, an oil cylinder fixed block 6, a slide block 7, a push rod 8, a first inclined plane 801, a second inclined plane 802, a rotating plate 9, a cutter 10, a sliding groove 11, a mounting groove 12, a rotating pin 13, a cutter groove 14, a chute 15, a limiting block 16, a positioning ring 17 and a glue inlet insert 18.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
referring to fig. 1-3, a mold structure for automatic gate cutting comprises a mold body 1, the mold body 1 is provided with a glue inlet groove 2, an injection molding cavity is arranged inside the mold body 1, an insert is arranged in the injection molding cavity, a product fixed cavity 3 is formed by a gap between the insert and the injection molding cavity, the bottom of the glue inlet groove 2 is communicated with the product fixed cavity 3 through a runner 4, a gate cutting structure is fixed on one side of the mold body 1, the gate cutting structure comprises an oil cylinder 5, an oil cylinder fixing block 6, a sliding block 7, a push rod 8, a rotating plate 9 and a cutter 10, the oil cylinder 5 is fixed in the oil cylinder fixing block 6, the oil cylinder fixing block 6 is fixed on one side of the mold body 1 through a bolt, a sliding groove 11 is arranged in the oil cylinder fixing block 6, the sliding block 7 is arranged in the sliding groove 11, an extending shaft of the oil cylinder 5 is connected with one side of the sliding block 7, the push rod 8 stretches out from the sliding groove 11 and stretches into the mounting groove 12, the rotating plate 9 is fixed in the mounting groove 12 through the rotating pin 13, the push rod 8 is provided with a first inclined surface 801, the first inclined surface 801 is abutted to one end of the rotating plate 9, a cutter groove 14 is formed in one side of the bottom of the mounting groove 12, the cutter 10 is in a T shape, the top of the T shape is a cutter handle, a vertical rod of the T shape is a cutter body, the bottom of the cutter body is a cutting edge, the cutter body of the cutter 10 is arranged in the cutter groove 14, the top of the cutter handle is fixed to the bottom of the other end of the rotating plate 9, the bottom of the cutter handle is abutted to the tail end of the push rod 8, the tail end of the push rod 8 is provided with a second inclined surface 802, one side of the bottom of the cutter handle is provided with a chute 15 attached to the second inclined surface.
In this embodiment, a limiting block 16 is arranged below the handle of the cutter 10, and the limiting block 16 is fixed in the mounting groove 12 and is arranged on one side of the notch of the cutter groove 14. The limiting block 16 is used for limiting the undercut depth of the cutter 10, and when the bottom of the cutter handle contacts the limiting block 16, the limiting block is formed, so that the undercut distance of the cutter 10 is prevented from being too large, and the influence on the outer wall of a product is avoided.
In the embodiment, the top of the mold body 1 is provided with a positioning ring 17 for positioning the mold body 1; the positioning ring 17 is provided with a glue inlet insert 18 at the inlet of the glue inlet groove 2, which corresponds to the glue inlet groove 2, so that the glue injected can smoothly flow into the glue inlet groove 2 when glue injection is performed. Wherein, the inlet of the glue inlet insert 18 is trumpet-shaped, which accelerates the injection of glue.
In this embodiment, the glue inlet of the product cavity 3 into which the flow channel 4 flows is gradually narrowed to slow down the injection speed of the glue, so as to prevent the glue from splashing and flowing into the cutter groove 14.
In this embodiment, the mold body 1 is formed by combining an upper mold 101 and a lower mold 102, and after the product is injection molded and the water gap is cut by the blade of the cutter 10 in the mold, the upper and lower molds can be demolded to take out the finished product, so as to continue the next operation.
The working principle of the utility model is as follows:
referring to fig. 4 and 5, the glue for injection molding is injected through the glue inlet slot 2 and flows into the product fixed cavity 3 through the flow channel from the glue inlet slot 2, the glue forms a pipe product in the product fixed cavity 3, i.e. injection molding is completed, then the water cutting opening structure starts to perform water cutting opening work, the initial position of the cutter 10 is as shown in fig. 4, at this time, the oil cylinder 5 mounted on the oil cylinder fixing seat 6 pushes the sliding block 7 to slide forward in the sliding slot 11, and the sliding block 7 pushes the push rod 8 to move forward in the mounting slot 12, under the action of the first inclined plane 801 of the push rod 8, the rotating plate 9 mounted on the rotating pin 13 is rotated, meanwhile, the second inclined plane 802 at the tail end of the push rod 8 moves forward to be attached to the inclined slot 15 at the side of the handle of the cutter 10, during the rotation of the rotating plate 9, the tail end presses the handle of the cutter 10 to move downward, meanwhile, the second inclined plane 802, until the second inclined plane 802 is completely attached in the chute 15, the cutting edge at the bottom of the cutter body finishes water cutting, the bottom of the cutter handle of the cutter 10 is limited by the limiting block 16, and the position of the cutter 10 is changed as shown in fig. 5; after the water gap is cut, the oil cylinder 5 pulls the sliding block 7 backwards, the sliding block 7 drives the push rod 8 to move outwards, in the process that the push rod 8 moves outwards, one end, in contact with the first inclined plane 801, of the rotating plate 9 slides down from the first inclined plane 801, meanwhile, the second inclined plane 802 gradually separates downwards from the chute 15 and jacks up the cutter handle, the bottom of the cutter handle is separated from the limiting block 16, the other end of the rotating plate 9 drives the cutter to move upwards until the top end of the second inclined plane 802 at the tail end of the push rod 8 is in contact with the edge of the bottom of the cutter handle of the cutter 10, at the moment, the oil cylinder 5 is stopped, the cutter 10 and the rotating plate 9 are reset, and the position of the cutter 10; after the reset, the upper die 101 and the lower die 102 can be opened, and the injection molding finished product after the water gap is cut off is taken out and recycled for the next operation.
The utility model discloses a mould structure can be in mould production process product pressurize accomplish the back, and when the product did not still not have the die sinking in the cooling, just can utilize the hydro-cylinder to drive the crowded disconnected mouth of a river of cutting the mouth of a river structure when product and mouth of a river still do not cool off in the mould inside, realize novel exempting from to cut the technique, because crowded disconnected mouth of a river is that the product was accomplishing the action when cooling in the mould when the mould did not have the die sinking, so can not increase the production cycle of product, improved production efficiency, reduced the manufacturing cost of artifical cut mouth of a river.
The utility model discloses in, can set up foretell cut mouth of a river structure and injection moulding chamber in this internal bilateral symmetry of mould, make it can carry out the moulding plastics and cut the mouth of a river operation of two pipe fittings simultaneously, improve production efficiency. And simultaneously, be in the utility model discloses in can use other drive mode to make the cutter cut down, can improve according to the operation condition of reality.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A mold structure of an automatic water cutting opening is characterized by comprising a mold body, wherein the mold body is provided with a glue feeding groove, an injection molding cavity is arranged in the mold body, an insert is arranged in the injection molding cavity, a product fixing cavity is formed by a gap between the insert and the injection molding cavity, the bottom of the glue feeding groove is communicated with the product fixing cavity through a flow channel, one side of the mold body is fixed with a water cutting opening structure, the water cutting opening structure comprises an oil cylinder, an oil cylinder fixing block, a sliding block, a push rod, a rotating plate and a cutter, the oil cylinder is fixed in the oil cylinder fixing block, the oil cylinder fixing block is fixed on one side of the mold body through a bolt, a sliding groove is formed in the oil cylinder fixing block, the sliding block is arranged in the sliding groove, an extending shaft of the oil cylinder is connected with one side of the sliding block, and the other, the die comprises a die body, a sliding groove is formed in the die body, a push rod extends out of the sliding groove and extends into the sliding groove, a rotating plate is fixed in the sliding groove through a rotating pin, the push rod is provided with a first inclined surface, the first inclined surface is abutted to one end of the rotating plate, a cutter groove is formed in one side of the bottom of the mounting groove, a cutter body of a cutter is arranged in the cutter groove, the top of a cutter handle of the cutter is fixed to the bottom of the other end of the rotating plate, the cutter body of the cutter is arranged in a staggered mode with the push rod, and the bottom of the cutter groove is communicated with a glue inlet of.
2. The mold structure of an automatic water gap cutting device according to claim 1, wherein a limiting block is arranged below the handle of the cutter, and the limiting block is fixed in the mounting groove and is arranged on one side of the notch of the cutter groove.
3. The mold structure of an automatic water gap cutting device according to claim 1, wherein the cutter is T-shaped, the top of the T-shape is a handle, the vertical rod of the T-shape is a cutter body, and the bottom of the cutter body is a blade.
4. The mold structure of an automatic water gap cutting device according to claim 1, wherein the top of the handle is fixedly connected with the bottom of the rotating plate, and the bottom of the handle is abutted against the end of the push rod.
5. The mold structure for the automatic water cutting opening according to claim 4, wherein a second inclined surface is arranged at the tail end of the push rod, and a chute attached to the second inclined surface is formed in one side of the bottom of the cutter handle.
6. The mold structure of an automatic water cutting gate according to claim 1, wherein a positioning ring is provided on the top of the mold body.
7. The mold structure of an automatic water cutting gap according to claim 6, wherein the positioning ring is provided with a glue inlet insert at the inlet of the glue inlet groove corresponding to the glue inlet groove.
8. The mold structure of an automatic water cutting gap according to claim 7, wherein the inlet of the glue inlet insert is trumpet-shaped.
9. The mold structure of an automatic water cutting gap according to claim 1, wherein the runner is gradually narrowed at the glue inlet where the runner flows into the product cavity.
10. The mold structure of an automatic water cutting gate according to claim 1, wherein the mold body is formed by combining an upper mold and a lower mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022037174.9U CN212472273U (en) | 2020-09-16 | 2020-09-16 | Automatic cut mould structure at mouth of a river |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022037174.9U CN212472273U (en) | 2020-09-16 | 2020-09-16 | Automatic cut mould structure at mouth of a river |
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| Publication Number | Publication Date |
|---|---|
| CN212472273U true CN212472273U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022037174.9U Active CN212472273U (en) | 2020-09-16 | 2020-09-16 | Automatic cut mould structure at mouth of a river |
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| CN (1) | CN212472273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117644368A (en) * | 2023-12-20 | 2024-03-05 | 佛山市轻净光电科技有限公司 | Processing technology for lamp manufacturing |
-
2020
- 2020-09-16 CN CN202022037174.9U patent/CN212472273U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117644368A (en) * | 2023-12-20 | 2024-03-05 | 佛山市轻净光电科技有限公司 | Processing technology for lamp manufacturing |
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