CN210851151U - Split type sprue bush for injection mold - Google Patents
Split type sprue bush for injection mold Download PDFInfo
- Publication number
- CN210851151U CN210851151U CN201921420799.4U CN201921420799U CN210851151U CN 210851151 U CN210851151 U CN 210851151U CN 201921420799 U CN201921420799 U CN 201921420799U CN 210851151 U CN210851151 U CN 210851151U
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- sprue bush
- threaded sleeve
- main body
- runner cover
- sprue
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Abstract
The utility model discloses an injection mould is with split type runner cover, including runner cover end cover, feed inlet, first runner cover main part and sealed pad, the feed inlet has been seted up in the middle of the inside of runner cover end cover, and the bottom mounting of runner cover end cover has first runner cover main part to first thread bush is installed to the bottom of first runner cover main part, first thread bush's inside wall threaded connection has second thread bush. This split type runner cover for injection mold is provided with first threaded sleeve and second threaded sleeve, carry out threaded connection through first threaded sleeve's inside wall and second threaded sleeve's lateral wall, make fine installation and the dismantlement between first runner cover main part and the second runner cover main part, and then when whole runner cover blockked up, can dismantle the convenient clearance of getting off, first threaded sleeve's height is less than second threaded sleeve's height simultaneously, the leakproofness of first threaded sleeve's inboard and second threaded sleeve's top installation has been improved.
Description
Technical Field
The utility model relates to an injection mould technical field specifically is a split type sprue bush for injection mould.
Background
The sprue bush is a metal fitting used for connecting a forming die and an injection molding machine and used for conveying raw materials of the injection molding die, and the sprue bush on the market is various in types, but has some defects, such as:
1. the mold sprue bush has the publication number of CN206913597U and the patent name of CN206913597U, and solves the problems that the prior sprue bush usually adopts a runner with a large outer diameter, so that the cooling time is increased, the wire drawing phenomenon is easy to occur at the tail end of the runner, the product quality is reduced, when the sprue is damaged, the whole sprue needs to be replaced, the cost is increased, and the disassembly is inconvenient;
2. the bottom end opening of a traditional sprue bush for the injection mold is too small, so that the material blanking speed is influenced, the materials are accumulated in the middle of the sprue bush, the use of the sprue bush is influenced, meanwhile, most of the sprue bushes in the current market are internally provided with cooling water pipes for heat dissipation through cold water, but cold water cannot flow, so that heat in the cold water cannot be well diffused outwards, and the heat dissipation work of the water is influenced;
therefore, the split sprue bush for the injection mold can well solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a split type runner cover is used to injection mould to solve the most formula as an organic whole of traditional runner cover on the existing market that above-mentioned background art provided, when the material blockked up takes place for inside, inconvenient clearance, simultaneously, the feed opening of bottom is narrower, influences the speed of unloading, takes place to block up easily, moreover, is not convenient for carry out the problem of outdiffusion to the heat in the cooling water.
In order to achieve the above object, the utility model provides a following technical scheme: a split type sprue bush for an injection mold comprises a sprue bush end cover, a feed inlet, a first sprue bush main body and a sealing gasket, wherein the feed inlet is formed in the middle of the inner part of the sprue bush end cover, the first sprue bush main body is fixed at the bottom end of the sprue bush end cover, a first threaded sleeve is installed at the bottom end of the first sprue bush main body, a second threaded sleeve is connected to the inner side wall of the first threaded sleeve in a threaded manner, a second sprue bush main body is fixed at the bottom end of the second threaded sleeve in a threaded manner, a mounting groove is formed in the outer side wall of the second sprue bush main body, a copper sheet is fixed inside the mounting groove, blanking ports are formed in the first sprue bush main body and the second sprue bush main body, a shunting groove is formed in the inner wall of the second sprue bush main body, a connecting through hole is installed in the rear side of the copper sheet, a water storage chamber is fixed in the rear side of the connecting through hole, and the second sprue bush main bodies are fixed outside the connecting through hole and the, and a sealing gasket is bonded at the top end of the second threaded sleeve.
Preferably, the outer diameter of the first sprue bush body is equal to the outer diameter of the second sprue bush body, the first sprue bush body and the second sprue bush body form a detachable structure through the first threaded sleeve and the second threaded sleeve, and a space exists between the first threaded sleeve and the second sprue bush body.
Preferably, the height of the first threaded sleeve is smaller than that of the second threaded sleeve, and the first threaded sleeve and the first sprue bush body are of an integrated structure.
Preferably, the outermost side of the copper sheet and the outermost side of the second sprue bush body are not on the same vertical plane, and the copper sheets are distributed on the outer surface of the second sprue bush body at equal intervals.
Preferably, the space inside the diversion channel is connected with the space inside the blanking port, and the arc length of the diversion channel is greater than the opening length of the front side face of the diversion channel.
Compared with the prior art, the beneficial effects of the utility model are that: the split sprue bush is used for the injection mould;
(1) the first threaded sleeve and the second threaded sleeve are arranged, the inner side wall of the first threaded sleeve is in threaded connection with the outer side wall of the second threaded sleeve, so that the first sprue bush body and the second sprue bush body can be well installed and disassembled, the sprue bush can be disassembled to be convenient to clean when the whole sprue bush is blocked, meanwhile, the height of the first threaded sleeve is smaller than that of the second threaded sleeve, and the sealing gasket is matched with the use of the sealing gasket, so that the sealing performance of the installation of the inner side of the first threaded sleeve and the top end of the second threaded sleeve is improved;
(2) the distributing chute is fixed, and the flow area of the material in the blanking through hole is increased through the arrangement of the distributing chute, so that the material can well flow at the lower end of the blanking through hole, the falling speed of the material is improved, and the material is prevented from being blocked;
(3) install copper sheet and connect the via hole, through copper sheet and connect the via hole's setting for the copper sheet absorbs the heat of water storage chamber outer wall through connect the via hole is fine, and then is convenient for cool down the heat dissipation to the inside cooling water of water storage chamber, so that the cooling water can be fine use.
Drawings
FIG. 1 is a schematic view of the overall main sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the overall structure of the present invention;
fig. 4 is a schematic view of the sectional structure of the second sprue bush main body according to the present invention.
In the figure: 1. a sprue bush end cover; 2. a feed inlet; 3. a first sprue bushing body; 4. a first threaded bushing; 5. a second threaded bushing; 6. a second sprue bushing body; 7. a copper sheet; 8. mounting grooves; 9. a discharging port; 10. a shunt slot; 11. a water storage chamber; 12. a connecting through hole; 13. and a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a split type sprue bush for an injection mold comprises a sprue bush end cover 1, a feed inlet 2, a first sprue bush main body 3, a first threaded sleeve 4, a second threaded sleeve 5, a second sprue bush main body 6, a copper sheet 7, a mounting groove 8, a blanking port 9, a shunt groove 10, a water storage chamber 11, a connecting through hole 12 and a sealing gasket 13, wherein the feed inlet 2 is formed in the middle of the inner part of the sprue bush end cover 1, the first sprue bush main body 3 is fixed at the bottom end of the sprue bush end cover 1, the first threaded sleeve 4 is installed at the bottom end of the first sprue bush main body 3, the second threaded sleeve 5 is in threaded connection with the inner side wall of the first threaded sleeve 4, the second sprue bush main body 6 is fixed at the bottom end of the second threaded sleeve 5, the mounting groove 8 is formed in the outer side wall of the second sprue bush main body 6, the copper sheet 7 is fixed in the mounting groove 8, the blanking ports 9 are formed in the first sprue bush main body 3 and the second sprue bush main body 6, a shunt trough 10 is arranged on the inner wall of the second sprue bush main body 6, a connecting through hole 12 is arranged on the rear side of the copper sheet 7, a water storage chamber 11 is fixed on the rear side of the connecting through hole 12, the second sprue bush main body 6 is fixed on the outer sides of the connecting through hole 12 and the water storage chamber 11, and a sealing gasket 13 is bonded on the top end of the second threaded sleeve 5;
the outer diameter of the first sprue bush main body 3 is equal to that of the second sprue bush main body 6, the first sprue bush main body 3 and the second sprue bush main body 6 form a dismounting structure through the first threaded sleeve 4 and the second threaded sleeve 5, and a gap exists between the first threaded sleeve 4 and the second sprue bush main body 6, so that the first sprue bush main body 3 and the second sprue bush main body 6 can be conveniently mounted and matched with each other for use;
the height of the first threaded sleeve 4 is smaller than that of the second threaded sleeve 5, the first threaded sleeve 4 and the first sprue bush main body 3 are of an integrated structure, so that the first sprue bush main body 3 and the second sprue bush main body 6 can be conveniently detached and cleaned through threaded connection of the first threaded sleeve 4 and the second threaded sleeve 5, and meanwhile, the connection tightness of the first sprue bush main body 3 and the second sprue bush main body 6 can be conveniently improved through the fact that the height of the first threaded sleeve 4 is smaller than that of the second threaded sleeve 5;
the outermost side of the copper sheet 7 and the outermost side of the second sprue bush main body 6 are not on the same vertical surface, and the copper sheets 7 are distributed on the outer surface of the second sprue bush main body 6 at equal intervals, so that the copper sheets 7 and the connecting through holes 12 are matched with each other to absorb heat on the outer wall of the water storage chamber 11 and lead out the heat outwards;
the space inside the splitter box 10 is connected with the space inside the unloading opening 9, and the arc length of the splitter box 10 is greater than the opening length of the front side of the splitter box 10, so that the area of the unloading opening 9 can be increased through the design of the splitter box 10, and the flowing efficiency of materials can be improved conveniently.
The working principle is as follows: when the split sprue bush for the injection mold is used, firstly, the whole device is moved into a working area as shown in figure 3, the top end of the sprue bush end cover 1 is connected with an injection molding machine, the bottom end of the second sprue bush main body 6 is connected with an injection mold, then, the whole split type sprue bush is used, as shown in figure 1, materials are conveyed to the feeding port 9 in the first sprue bush body 3 and the second sprue bush body 6 through the feeding port 2 in the sprue bush end cover 1, then, a part of the material moved into the second sprue bush body 6 enters the runner channel 10 to move, as shown in fig. 4, then, through the arrangement of the diversion channel 10, the area of the blanking port 9 is increased, so that the flowing efficiency of the material in the blanking port 9 is improved, and then the material flows into a lower injection mold through the blanking port 9;
in the process of conveying materials, as shown in fig. 1-2, water in the water storage chamber 11 can absorb heat to the materials in the blanking port 9 and the diversion trench 10 well to cool, then, through the design of the connecting through hole 12 and the copper sheet 7, the copper sheet 7 can absorb heat on the outer wall of the water storage chamber 11 through the connecting through hole 12, and then, as shown in fig. 3, the copper sheet 7 exposed on the outer surface of the second sprue bush main body 6 conducts heat to the heat, so that the heat in the water storage chamber 11 can be used well after being cooled;
when the inside of the blanking port 9 is blocked after use, as shown in fig. 1-2, the first and second sprue bush bodies 3 and 6 are screwed and removed by the first and second threaded sleeves 4 and 5, thereby facilitating separation of the first and second sprue bush bodies 3 and 6 to facilitate cleaning of the blocked blanking port 9 inside the first and second sprue bush bodies 3 and 6, which is the use process of the entire apparatus, and the contents not described in detail in this specification are known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides an injection mould is with split type runner cover, includes runner cover end cover (1), feed inlet (2), first runner cover main part (3) and sealed pad (13), its characterized in that: the sprue bush comprises a sprue bush end cover (1), a feed inlet (2) is formed in the middle of the inner part of the sprue bush end cover (1), a first sprue bush main body (3) is fixed to the bottom end of the first sprue bush end cover (1), a first threaded sleeve (4) is installed at the bottom end of the first sprue bush main body (3), a second threaded sleeve (5) is connected to the inner side wall of the first threaded sleeve (4) in a threaded mode, a second sprue bush main body (6) is fixed to the bottom end of the second threaded sleeve (5), a mounting groove (8) is formed in the outer side wall of the second sprue bush main body (6), a copper sheet (7) is fixed to the inner part of the mounting groove (8), a blanking port (9) is formed in each of the first sprue bush main body (3) and the second sprue bush main body (6), a shunting groove (10) is formed in the inner wall of the second sprue bush main body (6), and a connecting through hole (12) is installed on, and a water storage chamber (11) is fixed at the rear side of the connecting through hole (12), a second sprue bush main body (6) is fixed at the outer sides of the connecting through hole (12) and the water storage chamber (11), and a sealing gasket (13) is bonded at the top end of the second threaded sleeve (5).
2. The split sprue bush for injection molds according to claim 1, wherein: the outer diameter of the first sprue bush body (3) is equal to that of the second sprue bush body (6), the first sprue bush body (3) and the second sprue bush body (6) form a dismounting structure through the first threaded sleeve (4) and the second threaded sleeve (5), and a space exists between the first threaded sleeve (4) and the second sprue bush body (6).
3. The split sprue bush for injection molds according to claim 1, wherein: the height of the first threaded sleeve (4) is smaller than that of the second threaded sleeve (5), and the first threaded sleeve (4) and the first sprue bush body (3) are of an integrated structure.
4. The split sprue bush for injection molds according to claim 1, wherein: the outermost side of the copper sheet (7) and the outermost side of the second sprue bush main body (6) are not on the same vertical surface, and the copper sheets (7) are distributed on the outer surface of the second sprue bush main body (6) at equal intervals.
5. The split sprue bush for injection molds according to claim 1, wherein: the space inside the diversion channel (10) is connected with the space inside the blanking port (9), and the arc length of the diversion channel (10) is greater than the opening length of the front side face of the diversion channel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921420799.4U CN210851151U (en) | 2019-08-29 | 2019-08-29 | Split type sprue bush for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921420799.4U CN210851151U (en) | 2019-08-29 | 2019-08-29 | Split type sprue bush for injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN210851151U true CN210851151U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921420799.4U Active CN210851151U (en) | 2019-08-29 | 2019-08-29 | Split type sprue bush for injection mold |
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| CN (1) | CN210851151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703027A (en) * | 2020-07-01 | 2020-09-25 | 深圳市东强精密塑胶电子有限公司 | Precision mold for plastic part production |
-
2019
- 2019-08-29 CN CN201921420799.4U patent/CN210851151U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703027A (en) * | 2020-07-01 | 2020-09-25 | 深圳市东强精密塑胶电子有限公司 | Precision mold for plastic part production |
| CN111703027B (en) * | 2020-07-01 | 2021-07-16 | 佛山市环大塑料制品有限公司 | Precision mold for plastic part production |
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