CN211105376U - Mold for molding cylindrical member and mold assembly for molding cylindrical housing - Google Patents
Mold for molding cylindrical member and mold assembly for molding cylindrical housing Download PDFInfo
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- CN211105376U CN211105376U CN201921002602.5U CN201921002602U CN211105376U CN 211105376 U CN211105376 U CN 211105376U CN 201921002602 U CN201921002602 U CN 201921002602U CN 211105376 U CN211105376 U CN 211105376U
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Abstract
The utility model discloses a mould for shaping tube-shape part and mould subassembly that is used for shaping tube-shape shell, a mould for shaping tube-shape part includes first template, first drawing of patterns slider, a second template for forming first inner chamber with first template compound die, locate first inner chamber and enclose with first inner chamber inner wall and close the first mold core that forms the die cavity that is used for shaping tube-shape part and with first drawing of patterns slider sliding connection's first drawing of patterns pull rod, first drawing of patterns slider and second template fixed connection, be equipped with first direction inclined plane on the first drawing of patterns slider, be equipped with on the first drawing of patterns pull rod with first direction inclined plane complex first cooperation inclined plane, first drawing of patterns pull rod is kept away from the one end and the first mold core fixed connection of first drawing of patterns slider, first direction inclined plane and first cooperation inclined plane cooperation so that when the die sinking first drawing of patterns slider moves and drives first drawing of patterns pull rod along the direction removal of perpendicular die sinking and drives first mold core along the direction removal of perpendicular die sinking Break away from the tube-shape part, the utility model provides a mould for shaping tube-shape part can realize automatic loosing core.
Description
Technical Field
The utility model relates to a mould field especially relates to a mould subassembly that is used for the mould of shaping tube-shape part and is used for shaping tube-shape shell.
Background
The existing stethoscope shell comprises a cylindrical shell body formed by injection molding of hard glue and a part formed by injection molding of soft glue outside the cylindrical shell body, a cylindrical mold core is required to be molded or the cylindrical shell body is fixed when the mould is processed, after the injection molding is finished, the mold core is embedded in the cylindrical part and needs to be drawn out, the mold core is generally opened and then pulled out in the prior art, and automatic core pulling cannot be realized.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a can automatic loose core along with the mould die sinking be used for shaping tube-shape part's mould.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
the first demoulding slide block is fixedly connected with the second template, a first guide inclined plane is arranged on the first demoulding slide block, a first matching inclined plane matched with the first guide inclined plane is arranged on the first demoulding pull rod, one end of the first demoulding pull rod, far away from the first demoulding slide block, is fixedly connected with the first mould core, and is matched with the first matching inclined plane so that the first demoulding slide block moves along the second template to drive the first demoulding pull rod to move along the direction vertical to mould opening and drive the first mould core to vertically mould opening along the direction vertical to mould opening when the mould is opened Is out of the cylindrical member.
The first mold core comprises a connecting block and a core body which is connected with the connecting block and used for molding a cylindrical component, the connecting block is fixedly connected with the first demolding pull rod, the core body is connected to one side, away from the first demolding pull rod, of the connecting block, the axial direction of the core body is perpendicular to the mold opening direction, and the first guide inclined plane extends from the second mold plate to the first mold plate in a mode of being away from the first mold core; and/or the presence of a gas in the atmosphere,
one end of the first demolding pull rod, which is close to the first demolding slide block, is connected with two rollers, the two rollers are respectively arranged on two sides of the first matching inclined plane, the first demolding slide block is provided with a strip-shaped groove for the two rollers to slide respectively, and the inclination direction of the strip-shaped groove is the same as that of the first guide inclined plane; and/or the presence of a gas in the atmosphere,
further, the mold for molding the cylindrical part further comprises a first avoidance slide block fixedly connected with the first template, a first avoidance inclined plane with the inclination direction opposite to that of the first guide inclined plane is arranged on the first avoidance slide block, and a second avoidance inclined plane matched with the first avoidance inclined plane is arranged on the first mold core.
Further, the mould for shaping tube-shape part still includes the drawing of patterns thimble and locates first mold core is kept away from first drawing of patterns slider one side just is used for the second drawing of patterns slider of shaping recess on the tube-shape part, the one end of drawing of patterns thimble with first template fixed connection just the drawing of patterns thimble is relative first template slope, be equipped with in the second drawing of patterns slider with drawing of patterns thimble complex drawing of patterns spout, the drawing of patterns thimble with the cooperation of second drawing of patterns slider is in with the drawing of patterns thimble follows the drive when first template moves along the die sinking direction the tube-shape part is kept away from along perpendicular die sinking direction to second drawing of patterns slider.
Further, the mold for molding the cylindrical part further comprises a second avoidance sliding block fixedly connected with the first template and arranged on one side, away from the first mold core, of the second demolding sliding block, a third avoidance inclined plane is formed on the second avoidance sliding block, the inclination direction of the third avoidance inclined plane is the same as that of the demolding ejector pin, and a fourth avoidance inclined plane matched with the third avoidance inclined plane is formed on the second demolding sliding block.
Further, the mold for molding the cylindrical part further comprises a first guide slider fixedly connected with the first template and a connecting piece embedded in the first mold core, the first guide slider is connected with the connecting piece in a sliding manner, the connecting piece is connected with a molding slider for molding a mounting hole in the cylindrical part in a sliding manner, a via hole for the molding slider to penetrate through is formed in the first mold core, the first guide slider is provided with a second guide inclined plane, the connecting piece is provided with a second matching inclined plane matched with the second guide inclined plane, the second guide inclined plane is matched with the second matching inclined plane so that the connecting piece is driven to move along the direction vertical to mold opening when the first guide slider moves along with the first template along the mold opening direction, and the connecting piece is further provided with a third guide inclined plane with the inclination direction opposite to that of the second guide inclined plane, and a third matching inclined plane matched with the third guiding inclined plane is arranged on the forming slide block, and the third guiding inclined plane is matched with the third matching inclined plane so as to drive the forming slide block to move from protruding out of the first mold core to retracting into the first mold core when the connecting piece moves along the direction vertical to mold opening.
Further, the first guide sliding block comprises a connecting portion fixedly connected with the first template and a guide portion connected to one side, far away from the first template, of the connecting portion, the first guide inclined plane is arranged on the guide portion, and the first guide inclined plane extends obliquely from the connecting portion to the second template in a mode of gradually far away from the forming sliding block.
Furthermore, the guide part extends from the connecting part to the second template in an inclined manner in a mode of gradually keeping away from the forming slide block, and a guide groove matched with the guide part is formed on the connecting part.
Furthermore, a first sliding groove is formed in the slide, the inner wall surface of the first sliding groove forms the third guide inclined surface, a sliding rail matched with the first sliding groove is arranged on the forming sliding block in a protruding mode, and the third matching inclined surface is formed on the sliding rail.
The mould component comprises a first mould and a second mould, wherein the first mould is used for injection moulding of a cylindrical hard rubber shell through a first sizing material, the second mould is used for injection moulding of a soft rubber body outside the cylindrical hard rubber shell through a second sizing material, the first mould is a mould as above, the second mould comprises a third mould plate, a third demoulding slide block, a fourth mould plate, a second mould core and a second demoulding pull rod, the fourth mould plate is used for being matched with the third mould plate to form a second inner cavity, the second mould core is arranged in the second inner cavity and used for fixing the cylindrical hard rubber shell, the second demoulding pull rod is in sliding connection with the third demoulding slide block, the third demoulding slide block is fixedly connected with the fourth mould plate, a fourth guiding inclined surface is arranged on the third demoulding slide block, a fourth matching inclined surface matched with the fourth guiding inclined surface is arranged on the second demoulding pull rod, one end, far away from the third demoulding slide block, is fixedly connected with the second mould core, the fourth guide inclined plane is matched with the fourth matching inclined plane so that the third demoulding slide block moves along with the fourth template during mould opening to drive the second demoulding pull rod to move along the direction vertical to mould opening and drive the second mould core to be separated from the cylindrical shell along the direction vertical to mould opening.
Preferably, the cylindrical housing is a housing of a stethoscope.
Compared with the prior art, the beneficial effects of the utility model reside in that: first drawing of patterns slider and second template fixed connection, be equipped with first direction inclined plane on the first drawing of patterns slider, first drawing of patterns pull rod and first drawing of patterns slider sliding connection serve be equipped with first cooperation inclined plane of first direction inclined plane complex, first drawing of patterns slider removes and drives first drawing of patterns pull rod along the direction removal of perpendicular die sinking along the second template through the cooperation on first direction inclined plane and first cooperation inclined plane when making the die sinking, and then makes first drawing of patterns pull rod drive first mold core and breaks away from the tube-shape part along the square of perpendicular die sinking, realizes loosing core automatically.
Drawings
Fig. 1 is a schematic structural diagram of a mold assembly for molding a cylindrical shell according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a first mold of a mold assembly for molding a cylindrical shell taken along line A-A;
FIG. 3 is a schematic sectional view of a second mold of the mold assembly for molding the cylindrical shell taken along line B-B;
fig. 4 is a schematic structural diagram of a mold for molding a cylindrical component according to an embodiment of the present invention, in which a second mold plate and a first mold core are removed;
FIG. 5 is a partial schematic structural view of a mold for molding a cylindrical member;
FIG. 6 is a schematic view showing an assembly structure of a first guide slider, a connecting member and a forming slider on a mold for forming a cylindrical part;
fig. 7 is a schematic cross-sectional view of the cylindrical hard rubber case provided by the present invention;
fig. 8 is a schematic cross-sectional view of the cylindrical housing according to the present invention.
In the figure:
100. a mold assembly; 200. a cylindrical housing; 101. a first lumen; 1. a first template; 2. a second template; 3. a first mold core; 41. a first demolding slide block; 42. a first stripper pull rod; 411. a first guide slope; 421. a first mating ramp; 31. connecting blocks; 32. a core body; 422. a roller; 412. a strip-shaped groove; 43. a first avoidance slide block; 431. a first avoidance inclined plane; 31. a second avoidance inclined plane; 201. a groove 51, a second stripper slide; 52. demolding the thimble; 511. a demoulding chute; 53. a second avoidance slide block; 531. a third avoiding inclined plane; 512. a fourth avoidance slope; 61. a first guide slider; 62. a connecting member; 202. mounting holes; 63. forming a sliding block; 611. a second guide slope; 621. a second mating ramp; 622. a third guide slope; 631. a third mating ramp; 612. a connecting portion; 613. a guide portion; 623. a guide groove; 624. A first chute; 632. a slide rail; 633. a second chute; 203. a cylindrical hard rubber housing; 10. a first mold; 204. soft gum is carried out; 20. a second mold; 21. a third template; 22. a second lumen; 23. a fourth template; 25. a third demolding slide block; 26. a second demoulding pull rod; 27. a fourth guide slope; 28. and a fourth mating ramp.
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.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, top, bottom … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Providing a mold for molding a cylindrical part, referring to fig. 1-5 and 7, including a first mold plate 1, a first demolding slider 41, a second mold plate 2 for closing the first mold plate 1 to form a first inner cavity 101, a first mold core arranged in the first inner cavity 101 and enclosing with the inner wall of the first inner cavity 101 to form a cavity for molding the cylindrical part, and a first demolding pull rod 42 slidably connected with the first demolding slider 41, wherein the first demolding slider 41 is fixedly connected with the second mold plate 2, the first demolding slider 41 is provided with a first guiding inclined plane 411, one end of the first demolding pull rod 42 slidably connected with the first demolding slider 41 is provided with a first matching inclined plane 421 matching with the first guiding inclined plane 411, one end of the first demolding pull rod 42 far away from the first demolding slider 41 is fixedly connected with the first mold core 3, the first guiding inclined plane 411 is matched with the first matching inclined plane 421 so that the first demolding slider 41 moves along with the second mold plate 2 during mold opening to drive the first demolding pull rod 42 to move along the direction vertical to mold opening and drive the first mold core 3 to separate from the cylindrical part along the direction vertical to mold opening.
The first guide inclined surface 411 extends from the second template 2 to the first template 1 in a mode of gradually keeping away from the first mold core, when the first demolding slider 41 moves along with the second template 2, the first demolding pull rod 42 is movably connected with the first demolding slider 41, and the first matching inclined surface 421 slides along the first guide inclined surface 411, so that the first demolding pull rod 42 drives the first mold core 3 to be away from the cylindrical component, and thus, automatic core pulling is realized.
Preferably, the first mold core 3 includes a connecting block 31 and a core body 32 connected to the connecting block 31 and used for molding a cylindrical component, the connecting block 31 is fixedly connected to the first demolding pull rod 42, the core body 32 is connected to a side of the connecting block 31 far away from the first demolding pull rod 42, an axial direction of the core body 32 is perpendicular to a mold opening direction, and the first guiding inclined surface 411 extends from the second mold plate 2 to the first mold plate 1 in a manner far away from the first mold core 3.
The core 32 is cylindrical, the connecting block 31 is used for connecting the core 32 and the first demoulding pull rod 42, and the core 3 is arranged in the middle of one side of the connecting block 31.
Preferably, one end of the first demolding pull rod 42 close to the first demolding slider 41 is connected with two rollers 422, the two rollers 422 are respectively disposed on two sides of the first matching inclined plane 421, the first demolding slider 41 is provided with a strip-shaped groove 412 for allowing the two rollers 422 to slide, and an inclined direction of the strip-shaped groove 412 is the same as an inclined direction of the first guiding inclined plane 411.
The two strip-shaped grooves 412 are symmetrically arranged on two sides of the first guide inclined surface 411 respectively, the two strip-shaped grooves are arranged in parallel, the side wall of one strip-shaped groove 412, the side wall of the first guide inclined surface 411 and the side wall of the other strip-shaped groove 412 are on the same plane, and when the first demolding sliding block 41 moves along the second template 2, the strip-shaped groove 412 limits the roller 422, so that the roller 422 is driven to roll along the strip-shaped groove 412, and the first demolding pull rod 42 is driven to move.
Preferably, referring to fig. 2 and 5, the mold for molding the cylindrical part further includes a first avoiding slider 43 fixedly connected to the first mold plate 1, the first avoiding slider 43 is provided with a first avoiding inclined surface 431, an inclination direction of which is opposite to an inclination direction of the first guiding inclined surface 411, and the first mold core is provided with a second avoiding inclined surface 31 matched with the first avoiding inclined surface 431.
The first avoiding slide block 43 moves along the mold opening direction along with the first mold plate 1, and due to the cooperation of the first avoiding inclined surface 431 and the second avoiding inclined surface 31, the first avoiding slide block 431 plays a role in guiding and positioning the first mold core 3.
Preferably, referring to fig. 2, fig. 4, fig. 5, fig. 7, and fig. 8, the mold for molding a cylindrical part further includes a demolding thimble 52 and a second demolding slider 51 disposed on a side of the first mold core 3 away from the first demolding slider 41 and used for molding a groove 202 on a cylindrical shell, one end of the demolding thimble 52 is fixedly connected to the first mold plate 1, the demolding thimble 52 is inclined relative to the first mold plate 1, a demolding sliding slot 511 engaged with the demolding thimble 52 is disposed in the second demolding slider 51, and the demolding thimble 52 is engaged with the second demolding slider 51 to drive the second demolding slider 51 to move away from the cylindrical part along a vertical mold opening direction when the demolding thimble 52 moves along with the first mold plate 1 along the mold opening direction.
The demolding ejector pin 52 moves along with the first mold plate 1, and simultaneously drives the second demolding slider 51 to move in a direction away from the first mold core 3, so that a projection (not shown) on the second demolding slider 51 for forming the groove 202 is separated from the groove 202.
Preferably, the mold for molding the cylindrical part further includes a second avoiding slider 53 fixedly connected to the first mold plate 1 and disposed on one side of the second demolding slider 51 away from the first mold core 3, a third avoiding inclined plane 531 having an inclined direction the same as that of the demolding thimble 52 is formed on the second avoiding slider 53, and a fourth avoiding inclined plane 512 matched with the third avoiding inclined plane 531 is formed on the second demolding slider 51. The second avoiding slide 53 moves together with the first mold plate 1, and the second avoiding slide 53 plays a role in guiding and positioning the second demolding slide 51.
Preferably, referring to fig. 2 and 5, 7 and 8, the mold for molding the cylindrical component further includes a first guiding slider 61 fixedly connected to the first mold plate 1 and a connecting member 62 embedded in the first mold core 3, the connecting member 62 is slidably connected to a molding slider 63 for molding the mounting hole 202 on the cylindrical component, a via hole (not shown) for the molding slider 63 to pass through is formed in the first mold core 3, the first guiding slider 61 has a second guiding inclined surface 611, the connecting member 62 is provided with a second matching inclined surface 621 matching with the second guiding inclined surface 611, the second guiding inclined surface 611 and the second matching inclined surface 621 cooperate to drive the connecting member 62 to move in a direction perpendicular to the mold opening direction when the first guiding slider 61 moves along the mold opening direction along with the first mold plate 1, and the connecting member 62 is further provided with a third guiding inclined surface opposite to the second guiding inclined surface 611 in an inclined direction The inclined plane 622, the forming slide 63 is provided with a third matching inclined plane 631 matched with the third guiding inclined plane 622, and the third guiding inclined plane 622 is matched with the third matching inclined plane 631, so that when the connecting piece 62 moves along the direction perpendicular to the mold opening, the forming slide 63 is driven to move from the protruding outside of the first mold core 3 to the retracting inside the first mold core 3.
When the mold is opened, the first guiding slide 61 moves along with the first mold plate 1, the connecting piece 62 tends to move in the direction perpendicular to the mold opening direction under the cooperation of the second guiding inclined surface 611 and the second matching inclined surface 621, and the forming slide 63 is driven to retract into the first mold core 63 under the cooperation of the third guiding inclined surface 622 and the third matching inclined surface 631.
Preferably, the first guiding slider 61 includes a connecting portion 612 fixedly connected to the first mold plate 1 and a side connected to the connecting portion 612 and away from the first mold plate 1, the second guiding inclined surface 611 is provided on the guiding portion 613, and the second guiding inclined surface 611 extends from the connecting portion 612 to the second mold plate 2 in a manner gradually away from the forming slider 63.
The second guiding inclined plane is an inclined plane of the first guiding sliding block 61 on the side departing from the forming sliding block 63.
Preferably, the guide portion 613 extends obliquely from the connecting portion 612 toward the second form 2 so as to be gradually separated from the forming block 63, and the connecting member 62 is formed with a guide groove 623 which is engaged with the guide portion 613.
Preferably, the connecting member 62 is provided with a first sliding groove 624, an inner wall surface of the first sliding groove 624 is formed as the third guiding inclined surface 622, the forming slider 63 is convexly provided with a sliding rail 632 adapted to the first sliding groove 624, and the third matching inclined surface 631 is formed on the sliding rail 632.
The forming slide block 63 is embedded in the connecting member 62 through the matching between the slide rail 632 and the first slide groove 624, further, a second slide groove 633 is formed on the forming slide block 63, the second slide groove 633 is adjacent to the slide rail 632, the side wall of the second slide groove 633 is the side surface of the slide rail 632, and the second slide groove 633 is used for matching with the side wall of the first slide groove 624.
The utility model discloses a method for loosing core on a mould for forming a cylindrical part comprises the following steps;
opening the mold, wherein the first mold plate 1 is separated from the second mold plate 2, and the first demolding slide block 41 moves along with the second mold plate 2;
through the matching of the first guiding inclined surface 411 and the first matching inclined surface 421, the first demoulding pull rod 42 moves along the direction vertical to demoulding;
the first mold core 3 moves along the direction vertical to demolding along with the first demolding pull rod 42.
The utility model also provides a mould assembly 10 for making tube-shape shell 200, please refer to fig. 1, fig. 2, fig. 3, fig. 7, fig. 8, including the first mould 10 that is used for through first sizing material injection moulding tube-shape ebonite casing 203 and the second mould 20 that is used for through the second sizing material injection moulding soft colloid 204 outside the tube-shape ebonite casing 203, first mould 10 is as above the mould that is used for shaping the tube-shape part, second mould 20 includes third template 21, third drawing of patterns slider 22, is used for forming the fourth template 23 of second inner chamber 22 with the compound die of third template 21, locate in the second inner chamber 22 be used for fixing the second mold core of tube-shape ebonite casing 203 and with the second drawing of patterns pull rod 26 of third drawing of patterns slider 25 sliding connection, third drawing of patterns slider 25 with fourth template 23 fixed connection, be equipped with fourth direction inclined plane 27 on the third drawing of patterns slider 25, a fourth matching inclined plane 28 matched with the fourth guiding inclined plane 27 is arranged on the second demoulding pull rod 26, one end, far away from the third demoulding slide block 25, of the second demoulding pull rod 26 is fixedly connected with the second mould core, and the fourth guiding inclined plane 27 is matched with the fourth matching inclined plane 28, so that the third demoulding slide block 25 moves along with the fourth mould plate 23 to drive the second demoulding pull rod 26 to move along the direction vertical to mould opening and drive the second mould core to be separated from the cylindrical shell 200 along the direction vertical to mould opening when the mould opening is carried out.
The existing stethoscope shell comprises a cylindrical hard rubber shell formed by hard rubber through injection molding, 203 and a part formed by soft rubber through injection molding outside the cylindrical hard rubber shell 203, a mounting hole 202 is formed in the cylindrical hard rubber shell 203, a third template 21, a third demolding slider 25, a fourth template 23, a second mold core and a second demolding pull rod 26 in a second mold 20 respectively correspond to a first template 1, a first demolding slider 42, a second template 2, a first mold core 3 and a first demolding pull rod 41 in a first mold 10 in a one-to-one mode, and the functions and the connection relations of all the parts are the same; the second mold 20 differs from the first mold 10 in that: the first mold 10 is used for molding the cylindrical hard rubber case and the mounting hole, and the second mold 20 is used for molding the soft rubber part, and it can be understood that in the first mold 10, the first mold core is used for molding the cylindrical case, and in the second mold 20, the second mold core is used for fixing the cylindrical case.
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 (10)
1. The mold for molding the cylindrical part is characterized by comprising a first mold plate, a first demolding slide block, a second mold plate, a first mold core and a first demolding pull rod, wherein the second mold plate is used for being matched with the first mold plate to form a first inner cavity, the first mold core is arranged in the first inner cavity and is surrounded with the inner wall of the first inner cavity to form a cavity for molding the cylindrical part, the first demolding pull rod is in sliding connection with the first demolding slide block, the first demolding slide block is fixedly connected with the second mold plate, a first guiding inclined plane is arranged on the first demolding slide block, a first matching inclined plane matched with the first guiding inclined plane is arranged on the first demolding pull rod, one end, far away from the first demolding slide block, of the first demolding pull rod is fixedly connected with the first mold core, the first guiding inclined plane is matched with the first matching inclined plane so that the first demolding slide block moves along with the second mold plate to drive the first demolding pull rod to move along the direction perpendicular to mold opening and drive the first mold The core is separated from the cylindrical member in a direction perpendicular to the mold opening direction.
2. The mold according to claim 1, wherein the first mold core comprises a connecting block and a core body connected with the connecting block and used for molding the cylindrical part, the connecting block is fixedly connected with the first demolding pull rod, the core body is connected to one side of the connecting block, which is far away from the first demolding pull rod, the axial direction of the core body is perpendicular to the mold opening direction, and the first guide slope extends from the second mold plate to the first mold plate in a manner of being far away from the first mold core; and/or the presence of a gas in the atmosphere,
one end of the first demolding pull rod, which is close to the first demolding slide block, is connected with two rollers, the two rollers are respectively arranged on two sides of the first matching inclined plane, the first demolding slide block is provided with a strip-shaped groove for the two rollers to slide respectively, and the inclination direction of the strip-shaped groove is the same as that of the first guide inclined plane; and/or the presence of a gas in the atmosphere,
the mold for molding the cylindrical component further comprises a first avoidance slide block fixedly connected with the first template, a first avoidance inclined plane with the inclination direction opposite to that of the first guide inclined plane is arranged on the first avoidance slide block, and a second avoidance inclined plane matched with the first avoidance inclined plane is arranged on the first mold core.
3. The mold according to claim 1, wherein the mold further comprises a mold release pin and a second mold release block disposed on a side of the first mold core away from the first mold release block and configured to form a groove in the tubular member, the mold release pin is fixedly connected to the first mold plate and inclined with respect to the first mold plate, a mold release chute engaged with the mold release pin is disposed in the second mold release block, and the mold release pin is engaged with the second mold release block to drive the second mold release block to move away from the tubular member in a vertical mold opening direction when the mold release pin moves along with the first mold plate in the mold opening direction.
4. The mold according to claim 3, wherein the mold further comprises a second avoiding slider fixedly connected to the first mold plate and disposed on a side of the second mold stripping slider away from the first mold core, the second avoiding slider is formed with a third avoiding slope having an inclination direction the same as that of the mold stripping thimble, and the second mold stripping slider is formed with a fourth avoiding slope cooperating with the third avoiding slope.
5. The mold according to claim 1, wherein the mold further comprises a first guide slider fixedly connected to the first mold plate and a connecting member embedded in the first mold plate, the first guide slider is slidably connected to the connecting member, the connecting member is slidably connected to a forming slider for forming a mounting hole in the tubular member, the first mold plate has a through hole for the forming slider to pass through, the first guide slider has a second guide slope, the connecting member has a second engagement slope engaged with the second guide slope, the second guide slope is engaged with the second engagement slope so that the connecting member is driven to move in a direction perpendicular to the mold opening direction when the first guide slider moves along with the first mold plate in the mold opening direction, and the connecting member is further provided with a third guide slope having an inclination direction opposite to that of the second guide slope And the third guide inclined plane is matched with the third matching inclined plane so as to drive the forming slide block to move from the outside of the first mold core to the inside of the first mold core when the connecting piece moves along the direction vertical to mold opening.
6. The mold for molding a tubular member according to claim 5, wherein said first guide slider includes a connecting portion fixedly connected to said first die plate and a guide portion connected to a side of said connecting portion remote from said first die plate, said first guide slope being provided on said guide portion, said first guide slope extending obliquely from said connecting portion toward said second die plate in a manner gradually remote from said molding slider.
7. The mold for molding a cylindrical member according to claim 6, wherein said guide portion extends obliquely from said connecting portion toward said second die plate in a manner gradually away from said molding slider, and said connecting member is formed with a guide groove engaged with said guide portion.
8. The mold for molding a tubular member according to claim 7, wherein a first slide groove is provided on the connecting member, an inner wall surface of the first slide groove is formed as the third guide inclined surface, a slide rail adapted to the first slide groove is convexly provided on the molding slider, and the third fitting inclined surface is formed on the slide rail.
9. A mold assembly for molding a cylindrical shell, which is characterized by comprising a first mold for injection molding of a cylindrical hard rubber shell through a first rubber material and a second mold for injection molding of a soft rubber material outside the cylindrical hard rubber shell through a second rubber material, wherein the first mold is the mold according to any one of claims 1 to 7, the second mold comprises a third template, a third demolding slider, a fourth template for matching with the third template to form a second inner cavity, a second mold core arranged in the second inner cavity and used for fixing the cylindrical hard rubber shell, and a second demolding pull rod in sliding connection with the third demolding slider, the third demolding slider is fixedly connected with the fourth template, a fourth guide inclined surface is arranged on the third demolding slider, and a fourth matching inclined surface matched with the fourth guide inclined surface is arranged on the second demolding pull rod, one end, far away from the third demolding sliding block, of the second demolding pull rod is fixedly connected with the second mold core, and the fourth guide inclined plane is matched with the fourth matching inclined plane so that the third demolding sliding block moves along with the fourth mold plate when the mold is opened to drive the second demolding pull rod to move along the direction vertical to the mold opening and drive the second mold core to be separated from the cylindrical shell along the direction vertical to the mold opening.
10. The mold assembly for molding a cylindrical shell according to claim 9, wherein said cylindrical shell is a shell of a stethoscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002602.5U CN211105376U (en) | 2019-06-28 | 2019-06-28 | Mold for molding cylindrical member and mold assembly for molding cylindrical housing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002602.5U CN211105376U (en) | 2019-06-28 | 2019-06-28 | Mold for molding cylindrical member and mold assembly for molding cylindrical housing |
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| CN211105376U true CN211105376U (en) | 2020-07-28 |
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| CN201921002602.5U Active CN211105376U (en) | 2019-06-28 | 2019-06-28 | Mold for molding cylindrical member and mold assembly for molding cylindrical housing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239038A (en) * | 2019-06-28 | 2019-09-17 | 深圳市南和建毅模具有限公司 | For forming the mold of cartridge, core pulling method and die assembly for forming cylindrical case |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239038A (en) * | 2019-06-28 | 2019-09-17 | 深圳市南和建毅模具有限公司 | For forming the mold of cartridge, core pulling method and die assembly for forming cylindrical case |
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