CN212331680U - Nose inserting tube type core mechanism and double-nose frame forming die - Google Patents

Abstract

The utility model discloses a nose-inserting tubular core mechanism and a double-nose-frame forming die, wherein the nose-inserting tubular core mechanism comprises a first arc-shaped core, a second arc-shaped core, a first driving mechanism and a second driving mechanism, the second arc-shaped core is butted with the first arc-shaped core to form a conduction tubular core, the first driving mechanism comprises a first straight rod, a first arc-shaped rod with one end hinged with one end of the first straight rod, and the first driving mechanism comprises a second straight rod, a second arc-shaped rod with one end hinged to one end of the second straight rod, and a second slide mechanism used for driving the second straight rod to swing, one end of the first straight rod, which is far away from the first arc-shaped rod, is hinged to one end of the second straight rod, which is far away from the second arc-shaped rod, the first arc-shaped core is arranged at one end of the first arc-shaped rod, which is far away from the first straight rod, and the second arc-shaped core is arranged at one end of the second arc-shaped rod, which is far away from the second straight rod. The utility model discloses a plug in nose pipe type core mechanism can the shaping plug in nose pipe have the two nose framves of certain radian.

Description

Nose inserting tube type core mechanism and double-nose frame forming die

Technical Field

The utility model relates to the field of molds, especially, relate to insert nose tubular core mechanism and an adopt this insert two nose frame forming die of nose tubular core mechanism.

Background

The double-nose frame 500 shown in fig. 1 is a medical device used in an oxygen supply system to assist respiration, and comprises a conduction tube 501 and two nose-inserting tubes 502 communicated with the conduction tube 501, wherein the conduction tube and the nose-inserting tubes of the existing double-nose frame are mostly made into flat tubes, and patients feel uncomfortable. Aiming at the problems of the existing double-nose frame, a newly designed double-nose frame appears, such as the double-nose frame 500 shown in fig. 1, the conduction tube 501 and the nose insertion tube 502 both have certain radians, and the wearing of the patient is more comfortable. However, the existing double-nose-frame forming die cannot be applied to the change of the shape of the double-nose frame, and a new double-nose-frame forming die needs to be provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to disclose a nose inserting tube type core mechanism, which is used for solving the problem that how to form the nose inserting tube of a double-nose frame has a certain radian. The second purpose of the utility model is to disclose a double-nose frame forming die, this double-nose frame forming die adopts foretell nose pipe type core inserting mechanism.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the utility model provides a plug-in nose cast core mechanism for two nose frame forming die, plug-in nose cast core mechanism includes the arc core and is used for the drive the arc core stretches into in two nose frame forming die's the die cavity or follow draw from actuating mechanism who leaves in two nose frame forming die's the die cavity, actuating mechanism includes fixed block, first slider, push rod and slide mechanism, the arc core install in first slider, the fixed block is equipped with the arc guide rail, first slider with arc guide rail sliding fit, the push rod is used for promoting first slider drives the arc core orientation the die cavity removes, slide mechanism is used for the drive first slider drives the arc core is followed draw from in the die cavity.

As an improvement mode, the arc guide rail is arranged in the arc cavity of the fixed block, the first sliding block is arc-shaped and is slidably arranged in the arc cavity.

As an improvement mode, the slide mechanism comprises a guide plate which is arranged at an interval with the fixed block and can move up and down in the vertical direction relative to the fixed block, and a second slide block which is arranged between the fixed block and the guide plate, wherein the guide plate is provided with a guide groove, the second slide block is provided with a first through groove in the vertical direction, the second slide block can move back and forth in the horizontal direction, the first slide block is provided with a first cylinder which is arranged in the first through groove in a penetrating manner, and the second slide block is provided with a second cylinder which is arranged in the guide groove in a penetrating manner.

As an improved mode, the nose-inserted tube type core mechanism further comprises two clamping blocks arranged between the fixed block and the guide plate, the two clamping blocks are arranged at intervals in the vertical direction, and the fixed part and the two clamping blocks are enclosed to form a sliding groove for the second sliding block to slide.

As an improvement mode, the fixed block orientation one side of deflector is equipped with two second logical grooves that set up along vertical direction interval, every the clamp splice orientation one side of fixed block is equipped with the card strip, the card strip inlays to be located in the second logical groove.

As an improvement mode, the push rods are two, the fixing block is provided with two through holes which are formed in the vertical direction and communicated with the arc-shaped cavity, and the push rods can movably penetrate through the through holes.

The second purpose of the utility model is realized by adopting the following technical scheme:

the double-nose-frame forming die is characterized by comprising the nose inserting tube type core mechanism.

The utility model discloses a insert nose pipe type core mechanism includes the arc core and is arranged in driving the arc core to stretch into two nose frame forming die's die cavity or takes out actuating mechanism from two nose frame forming die's die cavity, actuating mechanism includes the fixed block, first slider, push rod and slide mechanism, the arc core is installed in first slider, the fixed block is equipped with the arc guide rail, first slider and arc guide rail sliding fit, the push rod is used for promoting first slider and drives the arc core and remove towards the die cavity, slide mechanism is used for driving first slider and drives the arc core and takes out from the die cavity. The nose inserting tube type core mechanism can be used for forming a double-nose frame with a certain radian of the nose inserting tube, and meets the requirements of users.

Drawings

Fig. 1 is a schematic structural view of a double-nose rack to be formed according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a double-nose frame forming mold disclosed in the embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a double-nose frame forming mold disclosed in the embodiment of the present invention;

fig. 4 is an exploded schematic view of a mold core disclosed in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a conducting tube type core mechanism disclosed in the embodiment of the present invention;

fig. 6 is a schematic structural diagram of a cannula-type core mechanism disclosed in an embodiment of the present invention;

fig. 7 is an exploded view of a first view of a cannula-type core mechanism according to an embodiment of the present invention;

fig. 8 is an exploded view of a second view of a cannula-type core mechanism according to an embodiment of the present invention;

fig. 9 is an exploded schematic view of a bottom view of a double-nose frame forming mold according to an embodiment of the present invention;

fig. 10 is a schematic view of the lower template and the wear-resistant member disclosed in the embodiment of the present invention;

FIG. 11 is an enlarged view of a portion of FIG. 10 at A;

FIG. 12 is an exploded view of the structure shown in FIG. 3;

FIG. 13 is an enlarged view of a portion of FIG. 12 at B;

fig. 14 is a schematic structural diagram of a bottom view angle of an upper mold according to an embodiment of the present invention;

fig. 15 is a schematic view of a first core arc, a second core arc, a first rod arc and a second rod arc according to an embodiment of the present invention;

fig. 16 is a partially enlarged view of C in fig. 15.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1-4 and fig. 6, an embodiment of the present invention discloses a double-nose frame forming mold 100, including a tube-in-tube core mechanism 10, a nose-insertion tube core mechanism 20 and a mold core 30, wherein the mold core 30 has a cavity 301, the mold core 30 is provided with a glue injection port 302 communicating with the cavity 301, the tube-in-tube core mechanism 10 includes a first arc core 11, a second arc core 12 for forming a tube-in-tube core 101 by butting with the first arc core 11, a first driving mechanism 13 for driving the first arc core 11 to extend into the cavity 301 or to be pulled away from the cavity 301, and a second driving mechanism 14 for driving the second arc core 12 to extend into the cavity 301 or to be pulled away from the cavity 302; the nose-inserted pipe type core mechanism 20 comprises a third arc-shaped core 21 and a third driving mechanism 22 for driving the third arc-shaped core 21 to extend into the cavity 301 or be pulled out of the cavity 301, and the first arc-shaped core 11, the second arc-shaped core 12 and the third arc-shaped core 21 form a forming cavity for forming the double nose frame by enclosing with the inner wall surface of the cavity 301. The conducting tube type core mechanism 10 is used for forming a conducting hole 503 of a double-nose frame conducting tube 501, and the nose-inserted tube type core mechanism 20 is used for forming a breathing hole 504 of the double-nose frame nose-inserted tube 502.

When the double nose frame 500 is injection molded by the double nose frame molding mold 100 disclosed in this embodiment, the first driving mechanism 13 drives the first arc-shaped core 11 to extend into the cavity 301, the second driving mechanism 14 drives the second arc-shaped core 12 to extend into the cavity 301 until the first arc-shaped core 11 abuts against the second arc-shaped core 12 to form the conducting pipe core 101, the third driving mechanism 22 drives the third arc-shaped core 21 to extend into the cavity 301, then, silica gel is injected into the molding cavity through the gel inlet 302, after cooling, the third driving mechanism 22 drives the third arc-shaped core 21 to exit from the cavity 301, the first driving mechanism 13 drives the first arc-shaped core 11 to exit from the cavity 301, the second driving mechanism 14 drives the second arc-shaped core 12 to exit from the cavity 301, and the mold core 30 is opened, so that the double nose frame 500 is obtained. It should be noted that the first driving mechanism 13 may drive the first arc core 11 into the cavity 301 and the second driving mechanism 14 may drive the second arc core 12 into the cavity 301 simultaneously.

The disclosed double-nose frame forming die 100 of this embodiment is through setting up conduction tubular core mechanism 10, a conducting hole 503 for shaping double-nose frame conduction pipe 501, set up and insert nose tubular core mechanism 20, a breather 504 for shaping double-nose frame insertion nose pipe 502, and form conduction pipe core 101 through setting up first arc core 11 and the butt joint of second arc core 12, cooperation third arc core 21, make this double-nose frame forming die 100 can be used for shaping conduction pipe 501 and the double-nose frame 100 that inserts nose pipe 502 all has certain radian, satisfy user's requirement.

Referring to fig. 5, as an improvement of the present embodiment, the first driving mechanism 13 includes a first straight bar 131, a first arc-shaped bar 132 having one end hinged to one end of the first straight bar 131, and a first displacement mechanism 133 for driving the first straight bar 131 to swing. The second driving mechanism 14 includes a second straight rod 141, a second arc-shaped rod 142 having one end hinged to one end of the second straight rod 141, and a second slide mechanism 143 for driving the second straight rod 141 to swing, wherein one end of the first straight rod 131 far away from the first arc-shaped rod 132 is hinged to one end of the second straight rod 141 far away from the second arc-shaped rod 142, the first arc-shaped core 11 is disposed at one end of the first arc-shaped rod 132 far away from the first straight rod 131, and the second arc-shaped core 12 is disposed at one end of the second arc-shaped rod 142 far away from the second straight rod 141. When the first arc core 11 and the second arc core 12 are butted, the first straight rod 131, the second straight rod 141, the first arc rod 132 and the second arc rod 142 are combined to form a fan-shaped structure.

As an improvement of this embodiment, the first straight rod 131 is provided with a first guiding column 1311, the first alignment mechanism 133 includes a first guiding rod 1331 and a first guiding block 1332 sleeved on the first guiding rod 1331, the first guiding block 1332 is provided with a first through hole 13321, and the first guiding column 1311 is inserted into the first through hole 13321. In use, the first guide block 1332 slides along the first guide rod 1331, the first guide block 1332 pulls the first straight rod 131 to swing through the first guide column 1311, and the swinging first straight rod 131 pulls the first arc-shaped rod 132 to move towards or away from the second arc-shaped rod 142. The first through hole 13321 is a kidney-shaped hole.

As a modified manner of this embodiment, two first extending pieces 13322 arranged at intervals are disposed at one end of the first guide block 1332 facing the first straight bar 131, the first straight bar 131 is partially sandwiched between the two first extending pieces 13322, and one of the first extending pieces 13322 penetrates through the first through hole 13321. Preferably, one end of the first straight rod 131 near the first arc rod 132 is sandwiched between two first extending pieces 13322.

As an improvement of the present embodiment, the second straight rod 141 is provided with a second guiding post 1411, the second slide mechanism 143 includes a second guiding rod 1431 and a second guiding block 1432 sleeved on the second guiding rod 1431, the second guiding block 1432 is provided with a second through hole 14321, and the second guiding post 1411 is inserted into the second through hole 14321. In use, the second guide block 1432 slides along the second guide rod 1431, the second guide block 1432 pulls the second straight rod 141 to swing through the second guide column 1411, and the swinging second straight rod 141 pulls the second arc rod 142 to move towards or away from the first arc rod 132. The second perforation 14321 is a kidney-shaped hole.

As a modified manner of this embodiment, two second extending pieces 14322 are disposed at an end of the second guide block 1432 facing the second straight bar 141, the second straight bar 141 is partially sandwiched between the two second extending pieces 14322, and one of the second extending pieces 14322 penetrates through the second through hole 14321. Preferably, one end of the second straight bar 141 near the second arc bar 142 is sandwiched between the two second extending pieces 14322.

Referring to fig. 6-8, as an improvement of the present embodiment, the third driving mechanism 22 includes a fixed block 221, a first slider 222, a push rod 223, and a third displacement mechanism 224, the third arc core 21 is mounted on the first slider 222, the fixed block 221 is provided with an arc guide 2211, the first slider 222 is in sliding fit with the arc guide 2211, the push rod 223 is configured to push the first slider 222 to drive the third arc core 21 to move toward the cavity 301, and the third displacement mechanism 224 is configured to drive the first slider 222 to drive the third arc core 21 to be withdrawn from the cavity 301. The third arc-shaped cores 301 are arranged in parallel.

As an improvement of this embodiment, the arc-shaped guide rail 2211 is an arc-shaped cavity opened in the fixed block, the first slider 222 is arc-shaped, and the first slider 222 is slidably mounted in the arc-shaped cavity. With this design, by providing the arc-shaped cavity on the fixing block 221, the first slider 222 is mounted in the arc-shaped cavity, and the structure is more compact. It can be understood that the arc-shaped guide 2211 is not limited to the arc-shaped cavity opened in the fixed block 221, but may also be an arc-shaped guide convexly arranged on the side surface of the fixed block 221, and a guide groove for slidably fitting with the arc-shaped guide is concavely arranged on one side of the first slider 222 facing the fixed block, which may be determined according to actual design requirements.

As an improvement mode of this embodiment, the third row position mechanism 224 includes the deflector 2241 that sets up and can reciprocate in the vertical direction with fixed block 221 interval and the second slider 2242 of locating between fixed block 221 and the deflector 2241 with fixed block 221, the guide way 22411 has been seted up to the deflector 2241, first logical groove 22421 has been seted up along vertical direction to the second slider 2242, the second slider 2242 can be followed the horizontal direction back-and-forth movement, first slider 222 is equipped with the first cylinder 2221 of wearing to locate in first logical groove 22421, second slider 2242 is equipped with the second cylinder 22422 of wearing to locate in guide way 22411. The guide groove 22411 includes a first groove section 22412 extending in the vertical direction and a second groove section 22413 extending obliquely at an angle to the vertical direction and communicating with the first groove section 22412. The vertical direction in this embodiment refers to the mold opening and closing direction of the double-nose-frame molding die 100. The horizontal direction refers to a direction perpendicular to the mold opening and closing direction of the double-nose mold 100.

In use, when it is required that the third arc core 21 extends into the cavity 301, the push rod 223 and the guide plate 2241 are lifted synchronously in the vertical direction, the push rod 223 pushes the first slider 222 to slide along the arc guide 2211, at this time, the first column 2221 on the first slider 222 pulls the second slider 2242 to move horizontally forward in the sliding direction of the first slider 222, and the second column 22422 on the second slider 2242 moves from the second slot part 22413 of the guide slot 22411 to the first slot part 22412 of the guide slot 22411. When the third arc-shaped core 21 needs to be pulled out of the cavity 301, the push rod 223 and the guide plate 2241 descend synchronously along the vertical direction, the guide plate 2241 drives the second cylinder 22422 to move backwards horizontally through the second groove part 22413, the second cylinder 22422 drives the second slider 2242 to move backwards horizontally, and the second slider 2242 moving backwards horizontally drives the first slider 222 to slide along the arc-shaped guide rail 2211 through the first cylinder 2221 until the third arc-shaped core 21 is pulled out of the cavity 301.

As an improvement of this embodiment, the nose-inserted tube core mechanism 20 further includes two clamping blocks 23 disposed between the fixing block 221 and the guide plate 2241, the two clamping blocks 23 are disposed at intervals in the vertical direction, and the fixing block 221 and the two clamping blocks 23 enclose to form a sliding slot for the second sliding block 2242 to slide. It should be noted that the nose-tube type core mechanism 20 is not limited to the two clamping blocks 23 for limiting the sliding direction of the second slide block 2242, and may be configured to limit the sliding direction of the second slide block 2242 by the cooperation of a slide rail and a slide groove.

As a modification of this embodiment, two second through grooves 2212 are provided at intervals in the vertical direction on the side of the fixing block 221 facing the guide plate 2241, and a clamping strip 231 is provided on the side of each clamping block 23 facing the fixing block 221, and the clamping strip 231 is embedded in the second through groove 2212. The clamping block 23 can be fixed on the fixing piece 221 more accurately and stably by the cooperation of the second through slot 2212 and the clamping strip 231.

As an improvement of this embodiment, the push rods 223 are two, the fixing block 221 is provided with two through holes 2213 which are opened along the vertical direction and are communicated with the arc-shaped cavity, and the push rods 223 are movably arranged in the through holes 2213 in a penetrating manner.

Referring to fig. 2-3, 5, and 9, as an improvement of this embodiment, the double-nose frame forming mold 100 further includes an upper mold plate 40, a lower mold plate 50, a bottom plate 60, a spring 70, and a rubber plug 80, the upper mold plate 40, the lower mold plate 50, and the bottom plate 60 are sequentially stacked, the spring 70 is disposed between the lower mold plate 50 and the bottom plate 60, the rubber plug 80 is used to connect the upper mold plate 40 and the lower mold plate 50, a guide plate hole 51 for the guide plate 2241 to penetrate through is formed in the lower mold plate 50, and bottoms of the push rod 223 and the guide plate 2241 are both connected to the bottom plate 60.

When the double-nose-frame forming die 100 disclosed in this embodiment is used for die assembly, the upper die plate 40 and the lower die plate 50 are firstly used for die assembly, then the bottom plate 60 and the lower die plate 50 are used for die assembly, when the upper die plate 40 and the lower die plate 50 are used for die assembly, the lower die plate 50 moves towards the upper die plate 40, the first slide mechanism 133 and the second slide mechanism 143 respectively drive the first arc-shaped rod 132 and the second arc-shaped rod 142 to move oppositely until the first arc-shaped core 11 and the second arc-shaped core 12 are butted in the cavity 301, then, the lower die plate 50 and the bottom plate 60 are used for die assembly, when the bottom plate 60 moves towards the lower die plate 50, the bottom plate 60 pushes the third driving mechanism 22 to ascend in the vertical direction, the third slide mechanism 224 drives the third arc-shaped core 21 to extend into the cavity 301, and then the upper die plate 40 and the bottom plate 60 are locked, namely, the.

When the double-nose-frame forming die 100 disclosed in this embodiment is used for splitting the die, the bottom plate 60 and the lower die plate 50 are firstly split, then the upper die plate 40 and the lower die plate 50 are split, when the bottom plate 60 and the lower die plate 50 are split, parts for locking the upper die plate 40 and the bottom plate 60 are firstly released, the bottom plate 60 moves towards the direction away from the lower die plate 50 under the action of the elastic force of the spring 70, at this time, the upper die plate 40 and the lower die plate 50 keep a die assembly state under the action of the pulling force of the rubber plug 80, the guide plate 2241 and the push rod 223 are driven to synchronously move downwards in the downward movement process of the bottom plate 60, the guide plate 2241 which moves downwards drives the third arc-shaped core 21 to be drawn away from the die cavity 301, then, the lower die plate 50 and the upper die plate 40 are split, in the process that the lower die plate 50 moves towards the direction away from the upper die plate 40, the first arc-shaped rod 132 and the second arc-shaped rod 142 are respectively driven by the first row-position mechanism 133 and the second, thus completing the mold splitting.

Referring to fig. 10-11, as an improvement of the present embodiment, the lower mold plate 50 includes a first surface 501 and a second surface 502 opposite to the first surface 501, the first surface 501 is recessed toward the second surface 502 to form an arc-shaped slot 52, and the first arc-shaped rod 132 and the second arc-shaped rod 142 are slidably embedded in the arc-shaped slot 52.

As a modification of this embodiment, the double-nose frame forming die 100 further includes a wear-resistant member 90, and the wear-resistant member 90 is embedded in the bottom slot surface of the arc-shaped slot 52. Through setting up wearing parts 90, can reduce the wearing and tearing between first ARC core 11 and second ARC core 12 and the lower bolster 50, the life of extension mould.

As a modification of this embodiment, the wear member 90 is provided with an oil groove 91 on a side facing the first arc-shaped rod 132 and the second arc-shaped rod 142. By providing the oil groove 91, lubricating oil can be added to the oil groove 91 to reduce friction between the first and second curved bars 132 and 142 and the lower die plate 50.

Referring to fig. 4-5 and 12-14, as an improvement of the present embodiment, the mold core 30 includes an upper mold core 31 fixed to the upper mold plate 40 and a lower mold core 32 fixed to the lower mold plate 50, the upper mold core 31 and the lower mold core 32 enclose to form a cavity 301, a limiting groove 1321 is formed on one side of the first arc-shaped rod 132 facing the upper mold core 31, one side of the second arc-shaped rod 142 facing the upper mold core 31, and one side of the upper mold core 31 facing the first arc-shaped rod 132 and the second arc-shaped rod 142 is provided with a limiting rib 311 for being clamped in the limiting groove 1321. With this design, cope match-plate pattern 40 can form spacing supporting role to first ARC core 11 and second ARC core 12, prevents that pressure is too big when moulding plastics, leads to first ARC core 11 and second ARC core 12 to take place to shift, influences the shaping quality of product.

As an improvement of this embodiment, the double-nose frame forming mold 100 further includes a pressing block 1001, the pressing block 1001 is fixedly connected to the lower mold plate 50 for pressing the first arc rod 132 and the second arc rod 142, and the first arc rod 132 and the second arc rod 142 are prevented from being displaced in the vertical direction, which affects the forming quality of the product.

As an improvement of this embodiment, the double-nose rack molding die 100 further includes a first guide block 1002 and a second guide block 1003, the lower die plate 50 further has a first guide block slot 53 and a second guide block slot 54, the first guide block 1332 is slidably inserted into the first guide block slot 53, the second guide block 1342 is slidably inserted into the second guide block slot 54, the first guide block 1002 is disposed on one side of the first guide block 1332 away from the first straight rod 131 and attached to the first guide block 1332, and a plane where the first guide block 1002 and the first guide block 1332 are attached to each other is an inclined plane parallel to an axial direction of the first guide rod 1331. The second guide block 1003 is arranged on one side, away from the second straight rod 141, of the second guide block 1342 and attached to the second guide block 1342, and the plane where the second guide block 1003 and the second guide block 1342 are inclined planes parallel to the axial direction of the second guide rod 1431. The first guide block 1002 and the second guide block 1003 are both fixedly connected with the lower template 50, and the first guide block 1332 and the second guide block 1342 are both fixedly connected with the upper template 40.

Referring to fig. 15-16, as an improvement of the present embodiment, a positioning post 111 is convexly disposed on an end surface of the first arc-shaped core 11 facing the second arc-shaped core 12, and a positioning hole 121 for the positioning post 111 to pass through and be positioned is concavely disposed on an end surface of the second arc-shaped core 12 facing the first arc-shaped core 11. Through setting up reference column 111 and locating hole 121, can be accurate to the conduction pipe core 101 size that first arc core 11 and second arc core 12 butt joint formed, improve the shaping quality of product.

As a modification of this embodiment, a double-nose-frame forming mold includes two sets of tube-type core conducting mechanisms 10 and a nose-inserted tube-type core mechanism 20, and the two sets of tube-type core conducting mechanisms 10 and the nose-inserted tube-type core mechanism 20 are symmetrically arranged with respect to the mold core 30. With this design, one set of two nose frame forming die once only can two nose frames 500 of simultaneous shaping, improves production efficiency.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (7)

1. The utility model provides a plug-in nose cast core mechanism for two nose frame forming die, its characterized in that, plug-in nose cast core mechanism includes the arc core and is used for the drive the arc core stretches into in two nose frame forming die's the die cavity or follow draw from actuating mechanism in two nose frame forming die's the die cavity, actuating mechanism includes fixed block, first slider, push rod and slide mechanism, the arc core install in first slider, the fixed block is equipped with the arc guide rail, first slider with arc guide rail sliding fit, the push rod is used for promoting first slider drives the arc core moves towards the die cavity, slide mechanism is used for driving first slider drives the arc core is followed draw from in the die cavity.

2. The cannula-type core mechanism as recited in claim 1, wherein the arc-shaped guide rail is an arc-shaped cavity opened in the fixed block, and the first slider is arc-shaped and slidably mounted in the arc-shaped cavity.

3. The tube-in-nose tube type core mechanism according to claim 1, wherein the slide mechanism comprises a guide plate which is arranged at an interval with the fixed block and can move up and down in a vertical direction relative to the fixed block, and a second slider which is arranged between the fixed block and the guide plate, the guide plate is provided with a guide groove, the second slider is provided with a first through groove in the vertical direction, the second slider can move back and forth in a horizontal direction, the first slider is provided with a first cylinder which is arranged in the first through groove in a penetrating manner, and the second slider is provided with a second cylinder which is arranged in the guide groove in a penetrating manner.

4. The tube-type core mechanism of claim 3, further comprising two clamping blocks disposed between the fixing block and the guide plate, wherein the two clamping blocks are spaced apart in a vertical direction, and the fixing block and the two clamping blocks enclose a sliding slot for the second sliding block to slide.

5. The cannula type core mechanism as claimed in claim 4, wherein the side of the fixed block facing the guide plate is provided with two second through slots spaced apart in the vertical direction, and each of the clamping blocks is provided with a clamping strip on the side facing the fixed block, and the clamping strip is embedded in the second through slot.

6. The tube-type core mechanism of claim 2, wherein the number of the push rods is two, the fixing block is provided with two through holes which are vertically arranged and communicated with the arc-shaped cavities, and the push rods can be movably arranged in the through holes in a penetrating manner.

7. A double-nosed-frame moulding die, comprising a cannula-type core mechanism according to any of claims 1 to 6.

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