CN210940255U - Five-way pipe injection mold - Google Patents
Five-way pipe injection mold Download PDFInfo
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- CN210940255U CN210940255U CN201921728657.4U CN201921728657U CN210940255U CN 210940255 U CN210940255 U CN 210940255U CN 201921728657 U CN201921728657 U CN 201921728657U CN 210940255 U CN210940255 U CN 210940255U
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Abstract
The utility model relates to a five-way pipe injection mold, which comprises an upper mold base, a lower template, a sprue bush, an upper mold core and a lower mold core, wherein the center of a lower cavity of the lower mold core is provided with an insert hole; the middle insert is movably inserted into the insert hole; the four fixed cores are symmetrically positioned at two sides of the insert hole, and one end of each fixed core is provided with a pull pin and a first pull rod hole; the movable core is movably positioned at the end part of the fixed core, the fixed core and the movable core form a bypass pipe core, and one end of the movable core is provided with a connecting pin and a second pull rod hole; the telescopic hole of the telescopic rod is movably inserted on the pulling pin, and the other end of the telescopic rod is hinged on the connecting pin; the side template is slidably arranged on the lower die base and is connected with the fixed core; the pushing plate is slidably arranged on the lower die base; one end of the pull rod is fixed on the push plate, and the pull rod is movably inserted into the first pull rod hole and the second pull rod hole; the drive unit is connected with the sideforms. The mold has simple structure and high demolding speed.
Description
Technical Field
The utility model relates to an injection mold, especially five-way pipe injection mold.
Background
As shown in fig. 1, the five-way pipe includes a middle pipe 11 and four bypass pipes 12, wherein the middle pipe 11 is vertically disposed, and the remaining four bypass pipes 12 are symmetrically disposed at both sides of the middle pipe 11. The five-way pipe adopts conventional rotatory loose core mould to lead to the structure complicated, because two adjacent bypass pipes 12 are close apart, takes place easily during the rotatory loose core and interferes, needs the drawing of patterns in proper order to the core that will draw the patterns earlier moves to the department far away, makes things convenient for another bypass pipe 12 rotatory drawing of patterns, leads to the structure very complicated, breaks down easily, and the drawing of patterns is long.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a simple structure, operation are stable, the short five-way pipe injection mold of drawing of patterns time, and concrete technical scheme is:
the five-way pipe injection mold comprises an upper mold base, a lower template and an upper mold core, wherein the upper mold core is fixed on the upper mold base and is provided with an upper cavity;
the sprue bush is fixed on the upper mold core and communicated with the upper cavity;
the lower die core is fixed on the lower die base, a lower die cavity is arranged on the lower die core, and an insert hole is formed in the center of the lower die cavity;
the middle insert is movably inserted into an insert hole, and the ejector rod is movably inserted into a through hole of the lower template;
the number of the fixed mold cores is four, the fixed mold cores are symmetrically positioned on two sides of the insert hole, and one end of each fixed mold core is provided with a pull pin and a first pull rod hole;
the movable core is movably positioned at the end part of the fixed core, the fixed core and the movable core form a bypass pipe core, one end of the movable core is provided with a connecting pin and a second pull rod hole, and the second pull rod hole is a circular arc-shaped through hole;
one end of the telescopic rod is provided with a waist-shaped telescopic hole, the telescopic hole is movably inserted on the pulling pin, and the other end of the telescopic rod is hinged on the connecting pin;
the side templates are slidably mounted on the lower die base and positioned on two sides of the lower die core, and the side templates are connected with the fixed die core;
the pushing plate is slidably mounted on the lower die base and is positioned on one side of the side die plate;
one end of the pull rod is fixed on the push plate, the other end of the pull rod is provided with an arc rod, the arc rod is matched with the second pull rod hole, and the pull rod is movably inserted into the first pull rod hole and the second pull rod hole;
and the driving devices are arranged on two sides of the lower die base and are connected with the side templates.
Through adopting above-mentioned technical scheme, the both ends of side form board downward mold core move during the drawing of patterns, the side form board drives fixed core earlier and takes out from the bypass pipe, then fixed core passes through the telescopic link pulling movable core and leaves the bypass pipe, because fixed core and movable core are the separation, movable core can rotate, movable core can take out from the circular arc department of bypass pipe, movable core rotates and leaves the bypass pipe under the direction of the circular arc pole of pull rod tip, the circular arc pole prevents that movable core's tip from inserting and brokenly the bypass pipe on the inner wall of bypass pipe, also can prevent that movable core's irregular removal from leading to the bypass pipe to warp.
When the fixed mold core is drawn out to the place, the side mold plate is contacted with the pushing plate, the side mold plate pushes the pushing plate to move, the pushing plate drives the pull rod to move towards two sides of the lower mold core, and the pull rod and the movable mold core are separated from the bypass pipe together, so that complete demolding of the bypass pipe is realized. The pull rod moves together with the side die plate through the push plate to prevent the movable mold core from being clamped on the arc rod.
The quick demoulding of four bypass pipes is realized through the pull rod, the telescopic rod, the fixed core and the movable core, and the structure is greatly simplified.
After the bypass pipe is demoulded, the upper die base is separated from the lower die base, and the middle insert block jacks up the five-way pipe to be separated from the lower die cavity.
Preferably, one end of the fixed mold core is provided with a first connecting rod hole and a first pin hole, the first connecting rod hole is positioned at two sides of the first pull rod hole, the telescopic rod is movably positioned in the first connecting rod hole, the first pin hole is communicated with the first connecting rod hole, the pull pin is fixed in the first pin hole, and the end part of the pull pin is matched with the inner circular surface of the bypass pipe; and a second connecting rod hole and a second pin hole are formed in one end of the movable mold core, the second connecting rod hole is positioned on two sides of the second pull rod hole, the telescopic rod is movably positioned in the second connecting rod hole, the second pin hole is communicated with the second connecting rod hole, the connecting pin is fixed in the second pin hole, and the end part of the connecting pin is matched with the inner circular surface of the bypass pipe.
Through adopting above-mentioned technical scheme, first pinhole and second pinhole are the through-hole, otherwise can't process, consequently pull the tip of round pin and connecting pin all with the interior disc phase-match of bypass pipe, guarantee the inside fashioned complete and smooth of bypass pipe.
The two first connecting rod holes and the two second connecting rod holes are formed, so that the movable mold core can be stressed uniformly when pulled.
Preferably, one end of the movable core is provided with a positioning groove, the end part of the fixed core opposite to the movable core is provided with a positioning table, and the positioning table is matched with the positioning groove.
Through adopting above-mentioned technical scheme, the constant head tank realizes fixed core and movable core's accurate positioning with the location platform.
Preferably, the cross section of the pull rod is rectangular, and the cross sections of the first pull rod hole and the second pull rod hole are both rectangular.
Through adopting above-mentioned technical scheme, the pull rod is the rectangular rod, and the pull rod can prevent that the movable core from rotating around the axis of fixed core with the pull rod hole cooperation of rectangle, improves stability.
Preferably, the side fixing plate is further provided with a core fixing hole, a first limiting plane is arranged on the core fixing hole, and the side fixing plate is installed on the side template; the other end of the fixed core is provided with a fixed ring, the fixed ring is inserted into the core fixing hole, the fixed ring is provided with a second limit plane, and the second limit plane is matched with the first limit plane.
Through adopting above-mentioned technical scheme, fixed core rotation is prevented to first spacing plane and second spacing plane.
Preferably, still include the sliding seat, sliding seat slidable mounting is on the die holder, and is located the both sides of lower mold core, be equipped with the sliding tray on the sliding seat, side form board slidable mounting is in the sliding tray, the both sides of the bottom of sliding tray all are equipped with the spacing groove, the both sides of side form board bottom all are equipped with the stopper, the stopper slides and inserts in the spacing inslot, the one end at the sliding seat is fixed to the slurcam.
Through adopting above-mentioned technical scheme, the sliding construction of side form board and slurcam can be simplified to the sliding seat.
Preferably, the driving device comprises driving cylinders which are fixed at two ends of the lower die holder, and piston rods of the driving cylinders are connected with the side die plates.
Through adopting above-mentioned technical scheme, the cylinder makes structure and control simple.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a five-way pipe injection mold realizes the drawing of patterns through pulling out fixed core and movable core in proper order, and simple structure, drawing of patterns are fast.
Drawings
FIG. 1 is a schematic structural diagram of a five-way pipe;
FIG. 2 is a perspective view of a five-way tube injection mold;
FIG. 3 is a top view of the five-way tube injection mold;
FIG. 4 is a sectional view taken along line A-A of FIG. 3
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic view of the upper die core mounted on the upper die base;
FIG. 7 is a schematic structural diagram of the five-way pipe injection mold with the upper mold base, the upper mold core and the sprue bush hidden;
FIG. 8 is a schematic view of the slide block and the lower die core mounted on the lower die block;
FIG. 9 is a schematic view showing an assembled structure of the fixed core, the movable core, the side fixing plates, the tie rods, the side mold plates, and the push plate;
FIG. 10 is a schematic view of the structure of the stationary core separated from the movable core for demolding;
FIG. 11 is a top view of FIG. 10;
FIG. 12 is a schematic view of a structure of an intermediate insert;
FIG. 13 is a perspective view of a fixed core;
FIG. 14 is a schematic sectional view of a fixed core;
fig. 15 is a perspective view of the movable core;
fig. 16 is a sectional view of the moving core;
FIG. 17 is a schematic view of the structure of the tie rod;
FIG. 18 is a schematic view of the telescoping pole;
fig. 19 is a structural view of the side fixing plate.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
As shown in fig. 2 to 19, the five-way tube injection mold comprises an upper mold base 21, a lower mold base 23, a lower mold plate 24 and an upper mold core 3, wherein the upper mold core 3 is fixed on the upper mold base 21, and an upper cavity 31 is arranged on the upper mold core 3; the sprue bush 22 is fixed on the upper mold core 3, and the sprue bush 22 is communicated with the upper cavity 31; the lower die core 4 is fixed on the lower die base 23, a lower die cavity 41 is arranged on the lower die core 4, and an insert hole 42 is formed in the center of the lower die cavity 41; the middle insert 51, the top of the middle insert 51 is provided with a middle tube core 511, the bottom is provided with an ejector rod 512, the middle insert 51 is movably inserted into the insert hole 42, and the ejector rod 512 is movably inserted into the through hole of the lower template 24; the fixed mold cores 6 are four, the fixed mold cores 6 are symmetrically positioned on two sides of the insert hole 42, and one end of each fixed mold core 6 is provided with a pull pin 83 and a first pull rod hole 61; the movable core 7 is movably positioned at the end part of the fixed core 6, the fixed core 6 and the movable core 7 form a bypass pipe core, one end of the movable core 7 is provided with a connecting pin 84 and a second pull rod hole 71, and the second pull rod hole 71 is a circular arc-shaped through hole; one end of the telescopic rod 82 is provided with a waist-shaped telescopic hole 821, the telescopic hole 821 is movably inserted on the pull pin 83, and the other end of the telescopic rod 82 is hinged on the connecting pin 84; the side templates 86 are arranged on the lower die base 23 in a sliding mode and located on two sides of the lower die core 4, and the side templates 86 are connected with the fixed die core 6; the pushing plate 87 is installed on the lower die base 23 in a sliding mode, and the pushing plate 87 is located on one side of the side die plate 86; one end of the pull rod 81 is fixed on the pushing plate 87, the other end of the pull rod 81 is provided with an arc rod 811, the arc rod 811 is matched with the second pull rod hole 71, and the pull rod 81 is movably inserted into the first pull rod hole 61 and the second pull rod hole 71;
and the driving devices are arranged on two sides of the lower die base 23 and are connected with the side templates 86.
When in demoulding, the side template 86 moves towards two ends of the lower mold core 4, the side template 86 drives the fixed mold core 6 to be drawn out from the bypass pipe 12, then the fixed mold core 6 pulls the movable mold core 7 to be drawn out from the bypass pipe 12 through the telescopic rod 82, the movable mold core 7 can rotate because the fixed mold core 6 is separated from the movable mold core 7, the movable mold core 7 can be drawn out from an arc of the bypass pipe 12, the movable mold core 7 rotates under the guide of the arc rod 811 at the end part of the pull rod 81 and leaves the bypass pipe 12, the arc rod 811 prevents the end part of the movable mold core 7 from being inserted into the inner wall of the bypass pipe 12 to be pulled out of the bypass pipe 12, the deformation of the bypass pipe 12 caused by the irregular movement of the movable mold core 7 can be prevented, the pull rod 81 and the arc rod.
When the fixed core 6 is moved to the right position, the side mold plates 86 are in contact with the pushing plates 87, the side mold plates 86 push the pushing plates 87 to move towards the two ends of the lower mold base 23, the pushing plates 87 drive the pull rods 81 to move towards the direction far away from the lower mold core 4, the pull rods 81 and the movable core 7 are drawn out of the bypass pipe 12 together, and the complete demolding of the bypass pipe 12 is realized. The tie bar 81 can prevent the moving core 7 from being stuck on the curved bar 811 by pushing the plate 87 to move together with the sideforms 86.
When the mold is closed, the side mold plate 86 pushes the fixed mold core 6 to move in place, when the fixed mold core 6 contacts with the movable mold core 7, the fixed mold core 6 drives the movable mold core 7 to move towards the middle insert 51, and the positioning table 64 of the fixed mold core 6 is inserted into the positioning groove 71 of the movable mold core 7, so that the fixed mold core 6 is connected with the movable mold core 7.
The quick demoulding of the four by-pass pipes 12 is realized by the pull rod 81, the telescopic rod 82, the fixed core 6 and the movable core 7, and the structure is greatly simplified.
After the bypass pipe 12 is demolded, the upper die base 21 is separated from the lower die base 23, the middle insert 51 jacks up the five-way pipe to separate from the lower die cavity 41, and then the five-way pipe is taken down.
One end of the fixed core 6 is provided with a first connecting rod hole 62 and a first pin hole 63, the first connecting rod hole 62 is positioned at two sides of the first pull rod hole 61, the telescopic rod 82 is movably positioned in the first connecting rod hole 62, the first pin hole 63 is communicated with the first connecting rod hole 62, the pulling pin 83 is fixed in the first pin hole 63, and the end part of the pulling pin 83 is matched with the inner circular surface of the bypass pipe 12;
one end of the movable core 7 is provided with a second connecting rod hole 75 and a second pin hole 73, the second connecting rod hole 75 is positioned at two sides of the second pull rod hole 71, a telescopic rod 82 is movably positioned in the second connecting rod hole 75, the second pin hole 73 is communicated with the second connecting rod hole 75, a connecting pin 84 is fixed in the second pin hole 73, and the end part of the connecting pin 84 is matched with the inner circular surface of the bypass pipe 12.
The first pin hole 63 and the second pin hole 73 are through holes which cannot be machined, so that the ends of the pulling pin 83 and the connecting pin 84 are matched with the inner circular surface of the bypass pipe 12, and the inside of the bypass pipe 12 is integrally and smoothly formed.
The provision of two first link holes 62 and second link holes 75 both above and below enables the movable core 7 to be uniformly stressed when pulled.
One end of the movable core 7 is provided with a positioning groove 71, the end part of the fixed core 6 opposite to the movable core 7 is provided with a positioning table 64, and the positioning table 64 is matched with the positioning groove 71. The positioning slot 71 and the positioning table 64 achieve precise positioning of the fixed core 6 and the moving core 7.
The other end of the movable mold core 7 is provided with an arc surface 72 and a butt joint surface 77, the arc surface 72 is matched with the outer circular surface of the middle insert 51 and used for forming a cavity of a five-way pipe, the butt joint surface 77 is a plane, and the butt joint surface 77 is used for jointing two adjacent movable mold cores 7 during butt joint.
The tie rod 81 has a rectangular cross section, and the first tie rod hole 61 and the second tie rod hole 71 have a rectangular cross section. The pull rod 81 is a rectangular rod, and the pull rod 81 is matched with the hole of the rectangular pull rod 81, so that the movable core 7 can be prevented from rotating around the axis of the fixed core 6, and the stability is improved.
The side fixing plate 85 is further included, a core fixing hole 851 is arranged on the side fixing plate 85, a first limiting plane 852 is arranged on the core fixing hole 851, and the side fixing plate 85 is installed on the side die plate 86; the other end of fixed core 6 is equipped with solid fixed ring 65, and solid fixed ring 65 inserts in core fixed orifices 851, is equipped with second spacing plane 66 on the solid fixed ring 65, and second spacing plane 66 and first spacing plane 852 phase-match. The first 852 and second 66 stop planes prevent the fixed core 6 from rotating.
Still include sliding seat 88, sliding seat 88 slidable mounting is on die holder 23, and is located the both sides of lower mold core 4, is equipped with the sliding tray on the sliding seat 88, and the sliding tray is logical groove, and side form 86 slidable mounting is in the sliding tray, and the both sides of the bottom of sliding tray all are equipped with spacing groove 881, and the both sides of side form 86 bottom all are equipped with stopper 861, and stopper 861 slides and inserts in spacing groove 881, and the one end at sliding seat 88 is fixed to catch plate 87.
The sliding seat 88 can simplify the sliding structure of the sideforms 86 and the push plate 87. Wear plates 27 are further arranged on the lower template 24, the wear plates 27 are located on two sides of the sliding seat 88, and the wear plates 27 are used for sliding of the sliding seat 88.
The driving device comprises a driving air cylinder 25, the driving air cylinder 25 is fixed on an air cylinder fixing plate 26, the air cylinder fixing plate 26 is installed at two ends of the lower die holder 23, and a piston rod of the driving air cylinder 25 penetrates through a pushing plate 87 to be connected with the side die plate 86. The cylinder makes the structure and control simple.
Claims (7)
1. The five-way pipe injection mold comprises an upper mold base, a lower mold base and a lower template, and is characterized by further comprising
The upper die core is fixed on the upper die base and is provided with an upper die cavity;
the sprue bush is fixed on the upper mold core and communicated with the upper cavity;
the lower die core is fixed on the lower die base, a lower die cavity is arranged on the lower die core, and an insert hole is formed in the center of the lower die cavity;
the middle insert is movably inserted into an insert hole, and the ejector rod is movably inserted into a through hole of the lower template;
the number of the fixed mold cores is four, the fixed mold cores are symmetrically positioned on two sides of the insert hole, and one end of each fixed mold core is provided with a pull pin and a first pull rod hole;
the movable core is movably positioned at the end part of the fixed core, the fixed core and the movable core form a bypass pipe core, one end of the movable core is provided with a connecting pin and a second pull rod hole, and the second pull rod hole is a circular arc-shaped through hole;
one end of the telescopic rod is provided with a waist-shaped telescopic hole, the telescopic hole is movably inserted on the pulling pin, and the other end of the telescopic rod is hinged on the connecting pin;
the side templates are slidably mounted on the lower die base and positioned on two sides of the lower die core, and the side templates are connected with the fixed die core;
the pushing plate is slidably mounted on the lower die base and is positioned on one side of the side die plate;
one end of the pull rod is fixed on the push plate, the other end of the pull rod is provided with an arc rod, the arc rod is matched with the second pull rod hole, and the pull rod is movably inserted into the first pull rod hole and the second pull rod hole;
and the driving devices are arranged on two sides of the lower die base and are connected with the side templates.
2. Five-way tube injection mold according to claim 1,
one end of the fixed mold core is provided with a first connecting rod hole and a first pin hole, the first connecting rod hole is positioned on two sides of a first pull rod hole, the telescopic rod is movably positioned in the first connecting rod hole, the first pin hole is communicated with the first connecting rod hole, the pull pin is fixed in the first pin hole, and the end part of the pull pin is matched with the inner circular surface of the bypass pipe;
and a second connecting rod hole and a second pin hole are formed in one end of the movable mold core, the second connecting rod hole is positioned on two sides of the second pull rod hole, the telescopic rod is movably positioned in the second connecting rod hole, the second pin hole is communicated with the second connecting rod hole, the connecting pin is fixed in the second pin hole, and the end part of the connecting pin is matched with the inner circular surface of the bypass pipe.
3. The five-way pipe injection mold according to claim 2, wherein the cross section of the tie rod is rectangular, and the cross sections of the first tie rod hole and the second tie rod hole are both rectangular.
4. A five-way pipe injection mold according to claim 2, wherein one end of the movable core is provided with a positioning groove, and the end of the fixed core opposite to the movable core is provided with a positioning table, and the positioning table is matched with the positioning groove.
5. The five-way pipe injection mold according to claim 1, further comprising a side fixing plate, wherein a core fixing hole is formed in the side fixing plate, a first limiting plane is arranged on the core fixing hole, and the side fixing plate is mounted on the side mold plate; the other end of the fixed core is provided with a fixed ring, the fixed ring is inserted into the core fixing hole, the fixed ring is provided with a second limit plane, and the second limit plane is matched with the first limit plane.
6. The five-way pipe injection mold according to claim 1, further comprising a sliding seat, wherein the sliding seat is slidably mounted on the lower mold base and located on two sides of the lower mold core, a sliding groove is formed in the sliding seat, the side mold plate is slidably mounted in the sliding groove, limiting grooves are formed in two sides of the bottom of the sliding groove, limiting blocks are arranged on two sides of the bottom of the side mold plate, the limiting blocks are slidably inserted into the limiting grooves, and the push plate is fixed at one end of the sliding seat.
7. The five-way pipe injection mold according to claim 1, wherein the driving device comprises driving cylinders fixed at two ends of the lower mold base, and piston rods of the driving cylinders are connected with the side mold plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921728657.4U CN210940255U (en) | 2019-10-15 | 2019-10-15 | Five-way pipe injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921728657.4U CN210940255U (en) | 2019-10-15 | 2019-10-15 | Five-way pipe injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN210940255U true CN210940255U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921728657.4U Active CN210940255U (en) | 2019-10-15 | 2019-10-15 | Five-way pipe injection mold |
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| CN (1) | CN210940255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622207A (en) * | 2020-12-25 | 2021-04-09 | 台州市黄岩炜大塑料机械有限公司 | Demoulding mechanism of precise forming mould for three-dimensional downstream four-way pipe fitting |
-
2019
- 2019-10-15 CN CN201921728657.4U patent/CN210940255U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622207A (en) * | 2020-12-25 | 2021-04-09 | 台州市黄岩炜大塑料机械有限公司 | Demoulding mechanism of precise forming mould for three-dimensional downstream four-way pipe fitting |
| CN112622207B (en) * | 2020-12-25 | 2022-05-17 | 台州市黄岩炜大塑料机械有限公司 | Demoulding mechanism of precise forming mould for three-dimensional downstream four-way pipe fitting |
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