CN112793089A - Structure-improved multi-nozzle head side glue-feeding hot runner mold - Google Patents

Structure-improved multi-nozzle head side glue-feeding hot runner mold Download PDF

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Publication number
CN112793089A
CN112793089A CN202110053324.1A CN202110053324A CN112793089A CN 112793089 A CN112793089 A CN 112793089A CN 202110053324 A CN202110053324 A CN 202110053324A CN 112793089 A CN112793089 A CN 112793089A
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CN
China
Prior art keywords
groove
hot
wedge
fixedly connected
runner mold
Prior art date
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Granted
Application number
CN202110053324.1A
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Chinese (zh)
Other versions
CN112793089B (en
Inventor
岳丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhicheng Jin Technology Co ltd
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Zhicheng Jin Technology Co ltd
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Priority to CN202110053324.1A priority Critical patent/CN112793089B/en
Priority claimed from CN202110053324.1A external-priority patent/CN112793089B/en
Publication of CN112793089A publication Critical patent/CN112793089A/en
Application granted granted Critical
Publication of CN112793089B publication Critical patent/CN112793089B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2673Moulds with exchangeable mould parts, e.g. cassette moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels Runner channels or runner nozzles
    • B29C45/2701Details not specific to hot or cold runner channels
    • B29C45/2708Gates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels Runner channels or runner nozzles
    • B29C45/2725Manifolds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels Runner channels or runner nozzles
    • B29C45/2737Heating or cooling means therefor
    • B29C45/2738Heating or cooling means therefor specially adapted for manifolds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels Runner channels or runner nozzles
    • B29C45/2737Heating or cooling means therefor
    • B29C2045/2743Electrical heating element constructions

Abstract

The invention discloses a multi-nozzle-head side-glue-feeding hot runner mold with an improved structure, which comprises a hot nozzle body, wherein a main runner is arranged in the hot nozzle body, a body pressing block is arranged at the bottom of the hot nozzle body, a plurality of nozzle cores are respectively arranged on two sides of the hot nozzle body, the nozzle cores are communicated with the main runner, hanging tables are arranged on two sides of the hot nozzle body, a connector is arranged at the upper end of the hot nozzle body, a spiral heating rod is arranged in an annular groove, an upper cover is connected with the annular groove in a threaded manner, first mounting grooves are arranged on two sides of the hot nozzle body, T-shaped blocks are arranged in the two first mounting grooves, and inner cavities are arranged in the two T-shaped blocks. The heating rod mounting and dismounting device is reasonable in structure, not only is convenient for mounting and dismounting the heating rod and overhauling the heating rod, but also is convenient for mounting the heating nozzle body on the hanging table, is convenient and quick, and can be synchronously operated with the mounting and dismounting of the heating rod, so that the workload of workers is reduced.

Description

Structure-improved multi-nozzle head side glue-feeding hot runner mold
Technical Field
The invention relates to the technical field of hot runner molds, in particular to a multi-nozzle-head side-glue-feeding hot runner mold with an improved structure.
Background
The hot runner mold is mainly used for producing plastic products, the melt in the runner is not solidified all the time by utilizing the heating device, compared with the traditional mold, the hot runner mold has the advantages of short forming period, more raw material saving, capability of improving the production efficiency, improving the product quality, simplification of subsequent procedures of the product and the like, and therefore, the hot runner mold is widely applied to developed countries and regions of various industries in the world at present.
Prior art's many chews first side and advance hot runner mold of glued structure, owing to adopt many to chew first side and advance gluey design, traditional a plurality of first fixed modes of chewing only adopt monolithic body briquetting to compress tightly, hot runner mold is through long-term work, it is easy not hard up to chew the head, in addition, its heating method generally chews the periphery of body at heat and sets up heating collar or heating block and chew the body and heat the body, owing to the sprue that the body was chewed to heat is seted up in the middle part that the body was chewed to heat, so this kind of heating method effect of prior art is not ideal, and the power consumption is high, the cost improves correspondingly, overall structure design has great defect.
The utility model discloses a structure improvement's that application number is CN201320152024.X many chew first side and advance gluey hot runner mold, its effectual foretell problem of having solved, this patent is chewed the body including heat, the body has been chewed to heat has seted up sprue and a plurality of subchannel, the subchannel is located the both sides that the body was chewed to heat and communicates with the sprue, the exit end of subchannel all is provided with chews the core, the bottom that the body was chewed to heat is provided with the body briquetting that is used for compressing tightly chewing the core, body briquetting and chew and be provided with the wedging piece between the core, one side of wedging piece is the wedging face, and the joint trench has been seted up on the top of wedging piece, the joint trench with chew the core joint, the inclined plane cooperation of wedging face and the body is chewed to heat. The utility model discloses a because be provided with the wedge block between body briquetting and chewing the core, the wedge block compresses tightly in chewing the core, and the body briquetting recompresses in the wedge block to make the installation of chewing the core inseparabler, more firm, hot runner mold's overall structure designs more rationally.
This grant patent weak point lies in, heats the sprue through four sticks that generate heat, though four stick that generate heat are the rectangle and distribute, but its effect to the sprue heating is not good, dismantles inconveniently and also does not change simultaneously to the installation of the stick that generates heat and chew the body and install on hanging the platform with heat, chews the body and the maintenance of the stick that generates heat inconvenient to heat, therefore we have designed a configuration improvement's many chewing first side and advance gluey hot runner mold and solve above problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a multi-nozzle head side glue feeding hot runner mold with an improved structure, which is convenient to install and disassemble a heating rod and overhaul the heating rod, is convenient to install a hot nozzle body on a hanging table, is convenient and quick, can be synchronously operated with the installation and disassembly of the heating rod, and further reduces the workload of workers.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multi-nozzle-head side-feeding glue hot runner mold with an improved structure comprises a hot nozzle body, wherein a main runner is arranged in the hot nozzle body, a body pressing block is installed at the bottom of the hot nozzle body, a plurality of nozzle cores are respectively installed on two sides of the hot nozzle body and are communicated with the main runner, hanging platforms are respectively arranged on two sides of the hot nozzle body, a connector is installed at the upper end of the hot nozzle body, an annular groove is formed in the upper end of the hot nozzle body, a spiral heating rod is installed in the annular groove, an upper cover is connected with the annular groove in an internal thread manner, first installation grooves are respectively arranged on two sides of the hot nozzle body, T-shaped blocks are respectively installed in the two first installation grooves, inner cavities are respectively arranged in the two T-shaped blocks, rectangular blocks are respectively arranged in the two inner cavities, the two rectangular blocks are respectively connected with the inner walls of the inner cavities on the same side through guide resetting mechanisms, and limiting mechanisms for limiting the T-shaped blocks are arranged among the rectangular blocks, hang and run through around the relative one side of platform and T type piece and be equipped with the second mounting groove, T type piece extends to in the second mounting groove, T type piece, rectangle piece and hang and be equipped with two latch mechanism between the platform.
Preferably, the direction canceling release mechanical system includes a plurality of first springs and a plurality of telescopic link with rectangle piece fixed connection, and is a plurality of the other end of first spring and a plurality of telescopic link all with the inner wall fixed connection of inner chamber.
Preferably, the telescopic rod consists of a first sliding tube and a second sliding tube, the first sliding tube is sleeved outside the second sliding tube and is in sliding connection with the second sliding tube, one end of the first sliding tube is fixedly connected with the inner wall of the inner cavity, and the other end of the second sliding tube is fixedly connected with the side wall of the rectangular block.
Preferably, stop gear is including running through T type piece and the first logical groove that communicates each other with the inner chamber, the upper end that the body was chewed to the heat is equipped with the recess, the interior bottom of recess runs through the second that is equipped with and is linked together with first mounting groove and leads to the groove, the second leads to the groove and is linked together with first logical groove, second lead to groove and recess sliding connection have first inserted bar, the first fixed block of upper end fixedly connected with of first inserted bar, the upper end of first fixed block is fixed balanced with the bottom of upper cover, the bottom fixedly connected with second spring of first fixed block, the second spring housing is in the outside of first inserted bar, the upper end of rectangle piece is equipped with the wedge groove, first inserted bar extends to the wedge inslot.
Preferably, the bottom of the first inserted bar is provided with an inclined plane, the inclined plane abuts against the inner wall of the inclined plane of the wedge-shaped groove, and the inclined plane is matched with the inner wall of the inclined plane of the wedge-shaped groove.
Preferably, the clamping mechanism is including the second inserted bar that is located the inner chamber, the second inserted bar runs through T type piece and rather than sliding connection, fixedly connected with second fixed block on the second inserted bar, the second fixed block is with the inner wall fixedly connected with third spring of inner chamber, third spring housing is in the outside of second inserted bar, the second inserted bar offsets with the rectangular block, the inner wall of second mounting groove is equipped with the draw-in groove, the second inserted bar extends to in the draw-in groove.
Preferably, the rectangular block is provided with a first wedge-shaped surface, the second inserted bar is provided with a second wedge-shaped surface, and the second wedge-shaped surface is abutted to and matched with the first wedge-shaped surface.
Preferably, the spiral heating rod is fixedly connected with the bottom of the upper cover through a bolt.
Compared with the prior art, the invention has the beneficial effects that:
the annular groove surrounding the outer part of the main flow channel is formed in the upper end of the hot nozzle body, and the spiral heating rod is arranged in the annular groove, so that the main flow channel can be heated in an all-around manner, the heating effect of the main flow channel is better, and the spiral heating rod is arranged to be more convenient and simpler to install;
when the hot nozzle body and the hanging table need to be detached, a worker can manually rotate the upper cover, the upper cover moves upwards to be separated from the annular groove, the upper cover does not limit and extrude the first fixing block any more, the first inserting rod and the first fixing block can move upwards under the action of the second spring, the first inserting rod does not limit the wedge-shaped groove any more, the rectangular block can move away from the second inserting rod under the action of the first spring, the second inserting rod can reset under the action of the third spring, the second inserting rod is separated from the clamping groove, the T-shaped block is not connected with the second mounting groove any more, and the hot nozzle body can be taken down forwards or backwards;
meanwhile, when the upper cover is rotated, the upper cover and the spiral heating rod can be detached, so that the upper cover and the spiral heating rod can be maintained conveniently and quickly;
during the installation, install T type piece in the second mounting groove, then rotate the upper cover, make it install in the ring channel, the upper cover moves down realizes first inserted bar downstream, under the spacing on inclined plane, can realize rectangular block extrusion second inserted bar, when the upper cover offsets with the upper end that the body was chewed to heat, rectangular block extrusion second inserted bar makes it insert the draw-in groove this moment in, when so realizing the installation of spiral heating rod, also realize the installation that the body was chewed to heat.
In conclusion, the heating rod mounting and dismounting device is reasonable in structure, not only is convenient for mounting and dismounting the heating rod and overhauling the heating rod, but also is convenient for mounting the heating nozzle body on the hanging table, is convenient and quick, and can be synchronously operated with the mounting and dismounting of the heating rod, so that the workload of workers is reduced.
Drawings
FIG. 1 is a schematic structural view of a multi-nozzle-head side-feeding hot runner mold with an improved structure according to the present invention;
FIG. 2 is a schematic structural view of the position A of the multi-nozzle side glue-feeding hot runner mold with an improved structure, according to the present invention;
FIG. 3 is a schematic structural view of the position B in the multi-nozzle side glue-feeding hot runner mold with an improved structure, according to the present invention;
fig. 4 is a schematic structural view of a position C in the multi-nozzle-head side glue-feeding hot runner mold with an improved structure, which is provided by the invention.
In the figure: 1 hot body of chewing, 2 chew the core, 3 body briquetting, 4 sprue, 5 ring channels, 6 spiral heating rod, 7 connect, 8 hang the platform, 9 upper covers, 10 first mounting groove, 11 inner chambers, 12 first spring, 13 telescopic link, 14 wedge groove, 15 first inserted bar, 16 inclined planes, 17 first logical groove, 18 first wedge face, 19 second mounting groove, 20 second logical groove, 21 recesses, 22 second spring, 23 first fixed block, 24T type piece, 25 rectangular block, 26 draw-in grooves, 27 second inserted bar, 28 second fixed block, 29 third spring, 30 second wedge face.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-4, a multi-nozzle-head side-glue-feeding hot runner mold with an improved structure comprises a hot nozzle body 1, a main runner 4 is arranged in the hot nozzle body 1, a body pressing block 3 is arranged at the bottom of the hot nozzle body 1, a plurality of nozzle cores 2 are respectively arranged at two sides of the hot nozzle body 1, the plurality of nozzle cores 2 are communicated with the main runner 4, hanging platforms 8 are arranged at two sides of the hot nozzle body 1, a joint 7 is arranged at the upper end of the hot nozzle body 1, an annular groove 5 is arranged at the upper end of the hot nozzle body 1, a spiral heating rod 6 is arranged in the annular groove 5, the spiral heating rod 6 is fixedly connected with the bottom of an upper cover 9 through a bolt, a handle can be arranged at the upper end of the upper cover 9, and the handle is; the annular groove 5 is internally threaded with an upper cover 9, the bottom of the upper cover 9 is fixedly connected with a raised circular ring, the outer wall of the raised circular ring is provided with external threads, the inner wall of the annular groove 5 is provided with internal threads, the raised circular ring is connected with the internal threads, and the spiral heating rod 6 is fixedly connected with the raised circular ring; can surround the outside of sprue 4 through spiral heating rod 6, so be better to the effect of sprue 4 heating.
The both sides of the body 1 are chewed to heat all are equipped with first mounting groove 10, all install T type piece 24 in two first mounting grooves 10, all be equipped with inner chamber 11 in two T type pieces 24, all be equipped with rectangular block 25 in two inner chambers 11, two rectangular blocks 25 all are connected with the inner wall of homonymy inner chamber 11 through direction canceling release mechanical system, direction canceling release mechanical system includes a plurality of first springs 12 and a plurality of telescopic link 13 with rectangular block 25 fixed connection, the other end of a plurality of first springs 12 and a plurality of telescopic link 13 all with inner chamber 11's inner wall fixed connection, can lead and support rectangular block 25 through telescopic link 13, can guarantee the stable slip of rectangular block 25, then can provide power for the reseing of rectangular block 25 through first spring 12.
Wherein, telescopic link 13 comprises first slip pipe and second slip pipe, and first slip pipe box is in the outside of second slip pipe and rather than sliding connection, the one end of first slip pipe and the inner wall fixed connection of inner chamber 11, the other end of second slip pipe and the lateral wall fixed connection of rectangular block 25, then first slip pipe and second slip pipe are stainless steel pipe, and the thickness of stainless steel pipe is 3 mm.
A limiting mechanism for limiting the T-shaped block 24 is arranged between the rectangular block 25, the T-shaped block 24 and the hot nozzle body 1, the limiting mechanism comprises a first through groove 17 penetrating through the T-shaped block 24 and communicated with the inner cavity 11, a groove 21 is arranged at the upper end of the hot nozzle body 1, a second through groove 20 communicated with the first installation groove 10 is arranged at the inner bottom of the groove 21 in a penetrating manner, the second through groove 20 is communicated with the first through groove 17, a first inserting rod 15 is connected in the first through groove 17, the second through groove 20 and the groove 21 in a sliding manner, a first fixing block 23 is fixedly connected at the upper end of the first inserting rod 15, the upper end of the first fixing block 23 is fixedly abutted against the bottom of the upper cover 9, a second spring 22 is fixedly connected at the bottom of the first fixing block 23, the second spring 22 is sleeved outside the first inserting rod 15, a wedge-shaped groove 14 is arranged at the upper end of the rectangular block 25, and the first inserting; wherein, the bottom of the first inserted link 15 is provided with an inclined plane 16, the inclined plane 16 abuts against the inner wall of the inclined plane of the wedge-shaped groove 14, and the inclined plane 16 is matched with the inner wall of the inclined plane of the wedge-shaped groove 14.
Hang platform 8 and the relative one side of T type piece 24 and run through around and be equipped with second mounting groove 19, T type piece 24 extends to in the second mounting groove 19, T type piece 24, be equipped with two clamping mechanism between rectangular block 25 and the hanging platform 8, clamping mechanism is including the second inserted bar 27 that is located the inner chamber 11, second inserted bar 27 runs through T type piece 24 and rather than sliding connection, fixedly connected with second fixed block 28 on the second inserted bar 27, second fixed block 28 and the inner wall fixedly connected with third spring 29 of inner chamber 11, third spring 29 overlaps the outside at second inserted bar 27, second inserted bar 27 offsets with rectangular block 25, the inner wall of second mounting groove 19 is equipped with draw-in groove 26, second inserted bar 27 extends to in draw-in groove 26, be equipped with first wedge face 18 on the rectangular block 25, be equipped with second wedge face 30 on the second inserted bar 27, second wedge face 30 offsets with first wedge face 18 and the phase-match.
According to the invention, the annular groove 5 surrounding the main flow channel 4 is arranged at the upper end of the hot nozzle body 1, and the spiral heating rod 6 is arranged in the annular groove 5, so that the main flow channel 4 can be heated in an all-around manner, the heating effect on the main flow channel 4 is better, and the spiral heating rod 6 is arranged to be more convenient and simpler to install;
when the hot nozzle body 1 and the hanging table 8 need to be detached, a worker can manually rotate the upper cover 9, the upper cover 9 moves upwards to be separated from the annular groove 5, the upper cover 9 does not limit and extrude the first fixing block 23, the first insertion rod 15 and the first fixing block 23 can move upwards under the action of the second spring 22, the first insertion rod 15 does not limit the wedge-shaped groove 14, the rectangular block 25 can move away from the second insertion rod 27 under the action of the first spring 12, the rectangular block 25 does not limit the second insertion rod 27, the second insertion rod 27 can reset under the action of the third spring 29, the second insertion rod 27 is separated from the clamping groove 26, the T-shaped block 24 is not connected with the second mounting groove 19, and the hot nozzle body 1 can be taken down forwards or backwards;
meanwhile, when the upper cover 9 is rotated, the upper cover 9 and the spiral heating rod 6 can be detached and can be maintained conveniently and quickly;
during the installation, install T type piece 24 in second mounting groove 19, then rotate upper cover 9, make it install in ring channel 5, upper cover 9 moves down and realizes first inserted bar 15 and moves down, under the spacing of inclined plane 16, can realize rectangular block 25 extrusion second inserted bar 27, when upper cover 9 offsets with the upper end that the body 1 was chewed to the heat, rectangular block 25 extrusion second inserted bar 27 made it insert the draw-in groove 26 this moment, when so realizing the installation of spiral heating rod 6, also realize the installation that the body 1 was chewed to the heat.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The utility model provides a structure improvement's many chews head side advances gluey hot runner mold, includes hot chewing gum body (1), be equipped with sprue (4) in the hot chewing gum body (1), body briquetting (3) is installed to the bottom of hot chewing gum body (1), a plurality of chewing gum (2) are installed respectively to the both sides of hot chewing gum body (1), and a plurality of chewing gum (2) all are linked together with sprue (4), the both sides of hot chewing gum body (1) all are equipped with string platform (8), and the upper end of hot chewing gum body (1) is installed and is connected with joint (7), its characterized in that, the upper end of hot chewing gum body (1) is equipped with ring channel (5), install spiral heating rod (6) in ring channel (5), ring channel (5) female connection has upper cover (9), the both sides of hot chewing gum body (1) all are equipped with first mounting groove (10), two all install T type piece (24) in first mounting groove (10), two all be equipped with inner chamber (11), two in T type piece (24) all be equipped with rectangular block (25), two in inner chamber (11) rectangular block (25) all are connected with the inner wall of homonymy inner chamber (11) through direction canceling release mechanical system, rectangular block (25), T type piece (24) and heat are chewed the stop gear who is equipped with spacing T type piece (24) between body (1), it is equipped with second mounting groove (19) to run through around the one side that stands (8) are relative with T type piece (24), T type piece (24) extend to in second mounting groove (19), be equipped with two clamping mechanism between T type piece (24), rectangular block (25) and the stand of hanging (8).
2. The hot runner mold with the improved structure for the multi-nozzle-head side glue feeding is characterized in that the guiding and returning mechanism comprises a plurality of first springs (12) and a plurality of telescopic rods (13) which are fixedly connected with a rectangular block (25), and the other ends of the plurality of first springs (12) and the plurality of telescopic rods (13) are fixedly connected with the inner wall of the inner cavity (11).
3. The improved structure of the multi-nozzle-head side-feeding hot runner mold as claimed in claim 2, wherein the telescopic rod (13) is composed of a first sliding tube and a second sliding tube, the first sliding tube is sleeved outside the second sliding tube and is connected with the second sliding tube in a sliding manner, one end of the first sliding tube is fixedly connected with the inner wall of the inner cavity (11), and the other end of the second sliding tube is fixedly connected with the side wall of the rectangular block (25).
4. The improved multi-nozzle-head side-feeding hot runner mold is characterized in that the limiting mechanism comprises a first through groove (17) penetrating through a T-shaped block (24) and communicated with an inner cavity (11), a groove (21) is formed in the upper end of the hot nozzle body (1), a second through groove (20) communicated with a first installation groove (10) penetrates through the inner bottom of the groove (21), the second through groove (20) is communicated with the first through groove (17), a first inserting rod (15) is connected in the first through groove (17), the second through groove (20) and the groove (21) in a sliding mode, a first fixing block (23) is fixedly connected to the upper end of the first inserting rod (15), the upper end of the first fixing block (23) is fixedly abutted to the bottom of the upper cover (9), a second spring (22) is fixedly connected to the bottom of the first fixing block (23), the second spring (22) is sleeved outside the first inserting rod (15), a wedge-shaped groove (14) is formed in the upper end of the rectangular block (25), and the first inserting rod (15) extends into the wedge-shaped groove (14).
5. The hot runner mold with the improved structure and the multiple nozzle ends feeding glue laterally as claimed in claim 4, wherein the bottom of the first insert rod (15) is provided with an inclined surface (16), the inclined surface (16) abuts against the inner wall of the inclined surface of the wedge-shaped groove (14), and the inclined surface (16) is matched with the inner wall of the inclined surface of the wedge-shaped groove (14).
6. The hot runner mold with the improved structure and the multiple nozzle ends fed laterally is characterized in that the clamping mechanism comprises a second insert rod (27) located in the inner cavity (11), the second insert rod (27) penetrates through the T-shaped block (24) and is in sliding connection with the T-shaped block, a second fixing block (28) is fixedly connected to the second insert rod (27), a third spring (29) is fixedly connected to the inner walls of the second fixing block (28) and the inner cavity (11), the third spring (29) is sleeved outside the second insert rod (27), the second insert rod (27) abuts against the rectangular block (25), a clamping groove (26) is formed in the inner wall of the second mounting groove (19), and the second insert rod (27) extends into the clamping groove (26).
7. The hot runner mold with the improved structure and the multiple nozzle ends feeding glue laterally as claimed in claim 6, wherein the rectangular block (25) is provided with a first wedge-shaped surface (18), the second plunger (27) is provided with a second wedge-shaped surface (30), and the second wedge-shaped surface (30) is abutted against and matched with the first wedge-shaped surface (18).
8. The structure-improved multi-nozzle-end side glue-feeding hot runner mold as claimed in claim 1, wherein the spiral heating rod (6) is fixedly connected with the bottom of the upper cover (9) through a bolt.
CN202110053324.1A 2021-01-15 Structure-improved multi-nozzle-head side glue-feeding hot runner mold Active CN112793089B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110053324.1A CN112793089B (en) 2021-01-15 Structure-improved multi-nozzle-head side glue-feeding hot runner mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110053324.1A CN112793089B (en) 2021-01-15 Structure-improved multi-nozzle-head side glue-feeding hot runner mold

Publications (2)

Publication Number Publication Date
CN112793089A true CN112793089A (en) 2021-05-14
CN112793089B CN112793089B (en) 2022-08-23

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CN203267077U (en) * 2013-03-29 2013-11-06 东莞市贝斯特热流道科技有限公司 Structurally improved multi-nozzle hot runner mold with plastic filling from side
CN207758004U (en) * 2017-12-20 2018-08-24 东莞市永铭热流道科技有限公司 Spiral hot nozzle structure in hot runner system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103009108A (en) * 2012-12-06 2013-04-03 重庆诚硕科技有限公司 Internal clamping fixture
CN203267077U (en) * 2013-03-29 2013-11-06 东莞市贝斯特热流道科技有限公司 Structurally improved multi-nozzle hot runner mold with plastic filling from side
CN207758004U (en) * 2017-12-20 2018-08-24 东莞市永铭热流道科技有限公司 Spiral hot nozzle structure in hot runner system

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