WO2022104607A1 - 模具 - Google Patents

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Publication number
WO2022104607A1
WO2022104607A1 PCT/CN2020/129882 CN2020129882W WO2022104607A1 WO 2022104607 A1 WO2022104607 A1 WO 2022104607A1 CN 2020129882 W CN2020129882 W CN 2020129882W WO 2022104607 A1 WO2022104607 A1 WO 2022104607A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
mold
mold core
accommodating
accommodating hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/129882
Other languages
English (en)
French (fr)
Inventor
徐世杰
杨德平
邹海荣
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.)
Jiangxi Jingchao Optical Co Ltd
OFilm Group Co Ltd
Original Assignee
Jiangxi Jingchao Optical Co Ltd
OFilm Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Jingchao Optical Co Ltd, OFilm Group Co Ltd filed Critical Jiangxi Jingchao Optical Co Ltd
Priority to PCT/CN2020/129882 priority Critical patent/WO2022104607A1/zh
Publication of WO2022104607A1 publication Critical patent/WO2022104607A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms

Definitions

  • the invention relates to the technical field of molds, in particular to a mold.
  • the surface of the mold core usually has bad appearance problems such as glue, white spots, dirt, etc.
  • the mold core is usually wiped directly on the molding machine, or the entire set of molds is disassembled to remove the mold core. to clean up.
  • the inventor found that there are at least the following problems in the prior art: when wiping on the molding machine, since the mold cores are made by a surface chemical nickel plating method, the material of nickel is relatively soft , Due to the space limitation of the molding machine, the mold core is more likely to be damaged due to improper human operation during the wiping process; when disassembling the entire set of molds to take the mold core, the mold core can be disassembled and taken out after the mold is cooled down, and then the mold core needs to be removed. The whole process of reassembling the mold and heating and debugging takes a long time.
  • An embodiment of the present application provides a mold, including a mold base and a mold core, the mold base includes a molding surface, a first accommodating hole is opened on the molding surface, and the mold core is accommodated in the first accommodating hole Inside, the mold base is also provided with a second accommodating hole communicating with the first accommodating hole, and the mold further includes:
  • a follower is rotatably disposed in the first accommodating hole, and is located on the side of the mold core away from the molding surface, and the end of the follower close to the mold core is in contact with the mold core.
  • the core is connected in rotation, and the follower can rise or fall against the mold core when rotating;
  • the driving member is rotatably arranged in the second accommodating hole and is in driving connection with the driven member, and the driving member can drive the driven member to rotate when rotating.
  • the active part in the above-mentioned mold can drive the driven part to rotate, and the driven part can rise or fall against the mold core when rotating, and the disassembly and assembly of the mold core are relatively convenient.
  • the mold core has appearance problems or the mold core needs to be replaced , as long as a single mold core is removed, it can save a lot of time and reduce the probability of mold core damage.
  • the follower includes:
  • a driven shaft is rotatably disposed in the first accommodating hole, and one end of the driven shaft close to the mold core is screwed with the mold core;
  • a driven wheel is connected to the driven shaft.
  • the driven wheel and the driving shaft are fixed to each other in their rotation directions, and the rotation of the driven wheel 32 can drive the driven shaft to rotate synchronously, so that the driven shaft lifts or descends against the mold core.
  • a side of the die core close to the driven shaft is provided with a threaded hole
  • a hole wall of the threaded hole is provided with an internal thread segment
  • one end of the driven shaft close to the die core is provided
  • An external thread segment is arranged on the outer peripheral surface of the thread, and the external thread segment is matched with the internal thread segment.
  • the driving member when the driving member is forced to rotate, it can drive the driven shaft to rotate around its central axis.
  • the interaction between the external thread section of the driven shaft 32 and the internal thread section of the mold core can make the mold core in the first accommodating hole. rising or falling within.
  • the active element includes:
  • the driving shaft is rotatably arranged in the second accommodating hole, and the end of the driving shaft far from the bottom of the groove of the second accommodating hole is provided with a rotating part, and the rotating part is used to cooperate with an external tool driving the drive shaft to rotate;
  • the driving wheel is connected to the driving shaft, and the driving wheel is drivingly connected with the driven wheel.
  • the driving wheel and the driving shaft are fixed to each other in their rotation directions, and the rotation of the driving shaft can drive the driving wheel to rotate synchronously, so that the driving wheel drives the driven wheel to rotate, and the rotation of the driven wheel can drive the driven shaft to rotate synchronously, so that the driven wheel rotates synchronously.
  • the shaft rises or falls against the mold core.
  • the axis of the first accommodating hole and the axis of the second accommodating hole are arranged in parallel, and the driving wheel and the driven wheel are both spur gears, sprockets or pulleys.
  • the driving shaft can be operated from the molding face to rotate, so that the driving wheel drives the driven wheel to rotate. Since the rotation of the driven wheel can drive the driven shaft to rotate synchronously, the driven shaft rises or falls against the mold core.
  • the axis of the first accommodating hole is perpendicular to the axis of the second accommodating hole, and the driving wheel and the driven wheel are both helical gears.
  • the driving shaft can be operated from the side perpendicular to the molding surface to make it rotate, so that the driving wheel drives the driven wheel to rotate, and the rotation of the driven wheel can drive the driven shaft to rotate synchronously, so that the driven shaft resists the mold core to rise or decline.
  • the first accommodating hole includes a first hole and a second hole, one end of the first hole penetrates the molding surface, and the other end of the first hole communicates with the second hole , the end of the second hole away from the first hole penetrates the surface of the die base opposite to the molding surface, the diameter of the second hole is larger than that of the first hole, and the driven shaft is located in the first hole and the second hole, the driven wheel is located in the second hole, the second accommodating hole includes a third hole and a fourth hole, and one end of the third hole penetrates The other end of the molding surface or the side surface of the mold base communicates with the fourth hole, and the end of the fourth hole away from the third hole penetrates the surface of the mold base opposite to the molding surface, The diameter of the fourth hole is larger than the diameter of the third hole, the driving shaft is located in the third hole and the fourth hole, the driving wheel is located in the fourth hole, and the fourth hole is located in the fourth hole.
  • a connection channel is provided between the hole and the second hole at a position corresponding to
  • Both the first accommodating hole and the second accommodating hole are stepped holes. Since the diameter of the second hole is larger than that of the first hole, the driven wheel is located in the second hole, and the existence of the first hole can limit the movement of the driven wheel to its interior. ; Since the diameter of the fourth hole is larger than that of the third hole, the driving wheel is located in the fourth hole, and the existence of the third hole can limit the movement of the driving wheel to the inside thereof.
  • a side of the mold base opposite to the molding surface is provided with a mounting hole, and the mounting hole is respectively communicated with the first accommodating hole and the second accommodating hole, so as to connect the The driven part is installed in the first accommodating hole, and the driving part is installed in the second accommodating hole.
  • the driving member and the driven member can be conveniently installed in the first accommodating hole and the second accommodating hole through the installation holes.
  • the driven member further includes a first bearing, the first bearing is sleeved on the outer peripheral surface of the driven shaft and fixed to the hole wall of the first accommodating hole, the The driving element further includes a second bearing, which is sleeved on the outer peripheral surface of the driving shaft and fixed on the hole wall of the second accommodating hole.
  • the first bearing can ensure the rotation of the driven shaft and can prevent it from moving in the radial direction; the second bearing can ensure the rotation of the driving shaft and can prevent it from rotating in the radial direction.
  • it also includes:
  • the limiting piece is arranged on the groove wall of the first accommodating hole, and abuts against one side of the mold core, so as to prevent the radial movement of the mold core in the first accommodating hole.
  • the limiting member abuts against the side surface of the mold core, and can keep the mold core fixed in the rotational direction of the driven shaft during the installation or removal of the mold core.
  • the mold has one, two, four, eight, twelve, sixteen, thirty-two, or sixty-four cavities.
  • the mold with the corresponding number of mold cavities can be selected according to the needs, wherein the mold can form multiple products at one time, and the processing efficiency of the product is high.
  • FIG. 1 is a schematic cross-sectional structure diagram of a mold proposed in an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional structural diagram of the mold base in the mold shown in FIG. 1 .
  • FIG. 3 is a partial enlarged view of the region III in the mold shown in FIG. 2 in a state.
  • FIG. 4 is a partial enlarged view of the III region in the mold shown in FIG. 2 in another state.
  • the second template 15 is the first template 15
  • first and second are only used for description purposes, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features.
  • the features defined with “first” and “second” may explicitly or implicitly include one or more of the features.
  • “multiple” means two or more , unless otherwise specifically defined.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation.
  • installed should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation.
  • a first feature "on” or “under” a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them.
  • the first feature being “above”, “over” and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature is “below”, “below” and “beneath” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level less than the second feature.
  • an embodiment of the present invention provides a mold 100, which can be easily assembled and disassembled.
  • the mold 100 can be a compression molding mold, an injection molding mold, an extrusion molding mold, a blow molding mold, and a vacuum molding mold. , but not limited to this, this embodiment is described with an injection molding mold.
  • the number of mold cavities of the mold 100 is one, two, four, eight, twelve, sixteen, thirty-two or sixty-four. In this way, a mold with a corresponding number of mold cavities can be selected as required, wherein
  • the mold can form multiple products at one time, and the processing efficiency of the product is high, which correspondingly reduces the number of times the mold is used and prolongs the service life of the mold.
  • Products can be optical lenses, such as mobile phone lens lenses, car lens lenses, and security lens lenses.
  • the mold 100 is not limited to injection molding precision optical lenses, and other plastic products can also be injection molded.
  • the mold 100 includes a mold base 10 , a mold core 20 , a driven part 30 , a driving part 40 and a limiting part 50 .
  • the mold base 10 includes a molding surface 11 .
  • the molding surface 11 defines a first accommodating hole 12
  • the mold core 20 is accommodated in the first accommodating hole 12 .
  • the die base 10 is also provided with a second accommodating hole 13 partially communicating with the first accommodating hole 12 .
  • the follower 30 is rotatably disposed in the first accommodating hole 12 and is located on the side of the mold core 20 away from the molding surface 11 .
  • One end of the follower 30 close to the mold core 20 is rotatably connected to the mold core 20 , and the follower 30 can lift or descend against the mold core 20 when it rotates.
  • the driving member 40 is rotatably disposed in the second accommodating hole 13 and is connected with the driven member 30 in a driving manner, and the driving member 40 can drive the driven member 30 to rotate when rotating.
  • each die base 10 includes a first die plate 14 , a second die plate 15 and a third die plate 16 that are stacked in sequence, and the first die plate 14 , the second die plate 15 and the third die plate 16 are connected together by bolts. .
  • the first mold plate 14 of one mold base 10 is used together with the first mold plate 14 of the other mold base 10 , and the molding surface 11 is the surface where the two first mold plates 14 are butted.
  • the first accommodating hole 12 and the second accommodating hole 13 are both opened on the molding surface 11 .
  • the axis of the first accommodating hole 12 and the axis of the second accommodating hole 13 are arranged in parallel.
  • the first accommodating hole 12 includes a first hole 121 and a second hole 122 , the first hole 121 is located in the first template 14 , and one end of the first hole 121 penetrates the molding surface of the first template 14 11. The other end of the first hole 121 penetrates through the surface of the first template 14 opposite to the molding surface 11, and communicates with the second hole 122, wherein the first hole 121 is adapted to the shape of the mold core 20, both of which are columnar structures , mainly used to contain mold core 20.
  • the second hole 122 is located in the second template 15 , and one end of the second hole 122 away from the first hole 121 penetrates the surface of the die base 10 opposite to the molding surface 11 , that is, the surface of the second template 15 facing away from the first template 14 .
  • the second hole 122 is a stepped hole.
  • the second hole 122 includes a first sub-hole 1221 and a second sub-hole 1222 , the first sub-hole 1221 is located between the first hole 121 and the second sub-hole 1222 , and one end of the first sub-hole 1221 penetrates the vicinity of the second template 15
  • the surface of the first template 14 is communicated with the first hole 121, and the other end is communicated with the second sub-hole 1222.
  • the diameter of the first hole 121 is larger than that of the first sub-hole 1221.
  • the mold core 20 is fixed in the first hole 121 , that is, one end of the mold core 20 abuts against the surface of the second template 15 close to the first template 14 , and the other end is connected to the mold core 20 in the other mold base 10 , which can prevent it from being in Move vertically.
  • One end of the second sub-hole 1222 away from the first sub-hole 1221 penetrates the surface of the second template 15 opposite to the first template 14 , and the diameter of the second sub-hole 1222 is larger than that of the first sub-hole 1221 .
  • the second accommodating hole 13 is a stepped hole.
  • the second accommodating hole 13 includes a third hole 131 and a fourth hole 132 , the third hole 131 is opened in the first template 14 and the second template 15 , one end of the third hole 131 penetrates the molding surface 11 , and the other end extends to the second
  • the template 15 is in communication with the fourth hole 132 .
  • the fourth hole 132 is opened in the fourth hole 132 , and one end of the fourth hole 132 away from the third hole 131 penetrates the surface of the die base 10 opposite to the molding surface 11 , that is, the surface of the second die plate 15 facing away from the first die plate 14 , the diameter of the fourth hole 132 is larger than that of the third hole 131, a connecting channel 17 is provided between the fourth hole 132 and the second hole 122, and the connecting channel 17 communicates with the second hole 122 and the fourth hole 132 respectively, and the driven
  • the driving member 30 and the driving member 40 can be connected in a driving manner through the connecting channel 17 .
  • the side of the die base 10 opposite to the pressing surface 11 is provided with a mounting hole 18 , and the mounting hole 18 is respectively connected with the second hole 122 of the first accommodating hole 12 and the fourth accommodating hole 13
  • the holes 132 communicate with each other, and the diameter of the installation hole 18 is larger than the sum of the diameters of the second hole 122 and the fourth hole 132, so as to install the driven member 30 in the first accommodating hole 12, and install the driving member 40 in the inside the second accommodating hole 13 .
  • the mold base 10 further includes structures such as a filling nozzle, a thimble, an upper top plate, a lower top plate, etc. Since this structure belongs to the conventional internal structure of the mold base 10, it will not be repeated.
  • the mold cores 20 are all substantially columnar, and specifically, the die cores 20 are substantially cylindrical or prismatic.
  • the shape of the mold core 20 is not limited to the above-mentioned embodiment, and can be designed into other shapes according to actual needs.
  • the follower 30 includes a driven shaft 31 and a driven wheel 32 .
  • the driven shaft 31 is rotatably disposed in the first accommodating hole 12 , and one end of the driven shaft 31 close to the mold core 20 is screwed with the mold core 20 .
  • part of the driven shaft 31 is located in the first hole 121 of the first accommodating hole 12
  • another part of the driven shaft 31 is located in the second hole 122 of the first accommodating hole 12 .
  • the outer peripheral surface of the driven shaft 31 is provided with a stopper portion 311 , the stopper portion 311 is located in the second sub-hole 1222 and is disposed adjacent to the first sub-hole 1221 , and the size of the stopper portion 311 is larger than that of the first sub-hole 1221 , to prevent the driven shaft 31 from moving along its axis.
  • the blocking portion 311 is a protrusion formed on the outer peripheral surface of the driven shaft 31 .
  • the side of the die core 20 close to the driven shaft 31 is provided with a threaded hole 23, the hole wall of the threaded hole 23 is provided with an internal thread segment 24, and the outer peripheral surface of the driven shaft 31 close to one end of the die core 20 is provided with an external thread
  • the outer thread segment 312 is matched with the inner thread segment 24 , and the end of the driven shaft 31 with the outer thread segment 312 can be screwed into the threaded hole 23 and matched with the inner thread segment 24 .
  • the mold core 20 remains fixed in the rotational direction of the driven shaft 32, that is, the mold core 20 can only move along the axial direction of the first accommodating hole 12, and the driven shaft 32 does not move in its axial direction, Therefore, when the driving member 40 is forced to rotate, it can drive the driven shaft 32 to rotate around its central axis.
  • the interaction between the external thread segment 312 of the driven shaft 32 and the internal thread segment 24 of the mold core 20 can make the mold core 20 It ascends or descends in the first accommodating hole 12 .
  • the rotational direction of the internal thread segment 24 and the rotational direction of the external thread segment 312 can be set as left-handed or right-handed according to actual needs, which are not specifically limited herein.
  • a threaded hole is provided at one end of the driven shaft 31 close to the die core 20, the hole wall of the threaded hole is provided with an internal thread segment, and the external thread segment is adapted to the internal thread segment.
  • the driven wheel 32 is located in the second sub-hole 1222 of the first accommodating hole 12, and is sleeved on the outer peripheral surface of the driven shaft 31, wherein the driven wheel 32 and the driven shaft 31 are fixed to each other in the rotation direction, that is, from The rotation of the driving wheel 32 can drive the driven shaft 31 to rotate synchronously.
  • the driven wheel 32 is detachably sleeved on the outer peripheral surface of the driven shaft 31 through a key 34 .
  • the driven wheel 32 is fixedly connected to the outer peripheral surface of the driven shaft 31 by welding.
  • the driven wheel 32 is fixedly connected to the end face of the driven shaft 31 away from the mold core 20 by welding.
  • the driven member 30 further includes a first bearing 33 , the first bearing 33 is sleeved on the outer peripheral surface of the driven shaft 31 and fixed to the hole wall of the second sub-hole 1222 of the first accommodating hole 12 .
  • the first bearing 33 is a ball bearing, and the first bearing 33 includes an inner steel ring, an outer steel ring, and a ball installed between the inner steel ring and the outer steel ring, which can be rolled to reduce the power transmission process. friction and improve the transmission efficiency of mechanical power.
  • the outer steel ring is fixed on the hole wall of the second sub-hole 1222
  • the inner steel ring is sleeved on the outer peripheral surface of the driven shaft 32
  • the driven shaft 32 can drive the inner steel ring to rotate when rotating.
  • first bearing 33 can also be other types of bearings, such as other types of rolling bearings such as cylindrical roller bearings, etc., or can also be sliding bearings, etc., which is not limited to this embodiment.
  • the driving member 40 includes a driving shaft 41 and a driving wheel 42 .
  • the driving shaft 41 is rotatably disposed in the second accommodating hole 13 .
  • the end of the driving shaft 41 close to the molding surface 11 is provided with a rotating part 411 .
  • the rotating portion 411 is a standard counterbore, such as a hexagonal counterbore.
  • the driving shaft 41 can be rotated by a wrench adapted to the standard counterbore, and the operation is simple.
  • the rotating part 411 can also be a screw head, such as an external hexagonal screw head, which can be rotated by a suitable external hexagonal wrench.
  • part of the driving shaft 41 is located in the third hole 131 , and another part of the driving shaft 41 is located in the fourth hole 132 .
  • the driving wheel 42 is located in the fourth hole 132 and is sleeved on the outer peripheral surface of the driving shaft 41 , wherein the driving wheel 42 and the driving shaft 41 are fixed to each other in their rotation directions, that is, the rotation of the driving shaft 41 can drive the driving wheel 42 to synchronize turn.
  • the driving wheel 42 is detachably sleeved on the outer peripheral surface of the driving shaft 41 through the key 34 .
  • the driving wheel 42 is fixedly connected to the outer peripheral surface of the driving shaft 41 by welding.
  • the driving wheel 42 is fixedly connected to the end face of the driving shaft 41 away from the mold core 20 by welding.
  • the driving wheel 42 is in driving connection (driving fit) with the driven wheel 32 .
  • the driving wheel 42 and the driven wheel 32 are both gears.
  • the driving connection between the driving wheel 42 and the driven wheel 32 is that the driving wheel 42 and the driven wheel 32 mesh.
  • the gears are spur gears. It can be understood that, in other embodiments, the gear is a helical gear.
  • the axis of the first accommodating hole 12 is perpendicular to the axis of the second accommodating hole 13, and one end of the second accommodating hole 13 penetrates through the molding surface. 11, or the included angle between the axis of the first accommodating hole 12 and the axis of the second accommodating hole 13 is an acute angle.
  • the driving wheel 42 and the driven wheel 32 are both sprockets, and the driving and cooperation mode of the driving wheel 42 and the driven wheel 32 is that the driving wheel 42 and the driven wheel 32 are connected by a transmission chain.
  • the driving wheel 42 and the driven wheel 34 are both pulleys. At this time, the driving cooperation between the driving wheel 42 and the driven wheel 34 is that the driving wheel 42 and the driven wheel 34 are connected by a transmission belt.
  • the connecting channel 17 is provided corresponding to the driven wheel 32 and the driving wheel 42 , and the axis of the connecting channel 17 , the axis of the driven wheel 32 and the axis of the driving wheel 42 are coincident.
  • the driving member 40 further includes a second bearing 43 .
  • the second bearing 43 is sleeved on the outer peripheral surface of the driving shaft 41 and fixed to the hole wall of the fourth hole 132 of the second accommodating hole 13 .
  • the second bearing 43 is a ball bearing
  • the second bearing 43 includes an inner steel ring, an outer steel ring, and a ball installed between the inner steel ring and the outer steel ring, which can be rolled to reduce the power transmission process. friction and improve the transmission efficiency of mechanical power.
  • the outer steel ring is fixed on the hole wall of the fourth hole 132 of the second accommodating hole 13
  • the inner steel ring is sleeved on the outer peripheral surface of the driving shaft 41 , and the driving shaft 41 can drive the inner steel ring to rotate when rotating.
  • the second bearing 43 can also be other types of bearings, such as other types of rolling bearings such as cylindrical roller bearings, etc., and can also be sliding bearings, etc., which is not limited to this embodiment.
  • the limiting member 50 is fixedly connected to the hole wall of the first accommodating hole 12 .
  • the limiting member 50 is substantially L-shaped, and the hole wall of the first hole 121 of the first accommodating hole 12 is provided with the limiting member 50
  • An accommodating groove 1211 with a suitable shape the accommodating groove 1211 is opened from the surface of the first template 14 opposite to the molding surface 11, when the mold core 20 is taken out from the first accommodating hole 12, the part of the limiting member 50 is set in the In the accommodating groove 1211, the other part extends toward the axis of the first hole 121.
  • the mold core 20 is accommodated in the first accommodating hole 12, and the limiting member 50 is completely disposed in the accommodating groove 1211.
  • the limiting member 50 is made of a flexible material, so the limiting member 50 can elastically press against the side surface of the mold core 20 to keep the mold core 20 fixed in the rotational direction of the driven shaft 31 during the installation or removal of the mold core 20 .
  • the limiting member 50 may be disposed in the accommodating groove 1211 by a fixed connection method such as welding, gluing, or the like. It can be understood that the limiting member 50 can be used when the mold core 20 is cylindrical, and when the mold core 20 is in other shapes, such as prismatic, etc., the matching of the mold core 20 with the inner wall of the first hole 121 can prevent the mold core from being formed. 20, the limiting member 50 can be omitted.
  • the limiting member 50 can also be other structures, for example, the mold core 20 has a plane-shaped tangent surface extending parallel to its axial direction, and the limiting member 50 has a plane contacting the tangential surface, Such an alignment manner can still prevent the mold core 20 from rotating, which is not limited to this embodiment.
  • the disassembly process of the mold core 20 in this embodiment is as follows: the driving shaft 41 is rotated by a wrench adapted to the rotating part 411, and the rotation of the driving shaft 41 can drive the driving wheel 42 to rotate synchronously.
  • the driving wheel 42 rotates synchronously with the driven wheel 32 and drives the driven shaft 32 to rotate.
  • the interaction between the external thread section 312 of the driven shaft 32 and the internal thread section 24 of the mold core 20 can make the mold core 20 in the first accommodation
  • the hole 12 ascends or descends.
  • the driving part 40 in the above-mentioned mold 100 can drive the driven part 30 to rotate, and the driven part 30 can drive the mold core 20 to rise or fall when it rotates.
  • the disassembly and assembly of the mold core 20 are more convenient. When the mold core 20 has appearance problems Or when it needs to be replaced, just remove a single mold core 20, which can save a lot of time and reduce the damage probability of the mold core 20.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

本申请公开了一种模具，包括模座和模仁，模座包括模压面，模压面开设有第一容置孔，模仁收容于第一容置孔内，模座上还开设有与第一容置孔连通的第二容置孔，模具还包括：从动件，可转动地设于第一容置孔内，且位于模仁背离模压面的一侧，从动件的靠近模仁的一端与模仁转动连接，从动件在转动时可抵持模仁上升或下降；及主动件，可转动地设于第二容置孔内，且与从动件传动连接，主动件在转动时可驱动从动件转动。上述模具中的主动件可带动从动件转动，从动件在转动时可带动模仁上升或下降，模仁的拆卸和装配均较为方便，当模仁有外观问题或者模仁需要更换时，只要拆下单个模仁即可，可以大量节约时间，减少模仁损伤几率。

Description

模具 技术领域
本发明涉及模具技术领域，具体涉及一种模具。
背景技术
在注塑成型过程中，模仁表面通常会出现粘胶、白点、脏污等不良外观问题，现有技术中通常采用在成型机台上直接擦拭模仁，或拆卸整套模具来取下模仁进行清理。
在实现本申请的过程中，发明人发现现有技术中至少存在如下问题：在成型机台上擦拭时，由于模仁都是采用一种表面化学镀镍方式制作而成，镍的材质较软，因成型机台的空间限制，在擦拭过程中模仁较容易因为人为操作不当而受到损伤；当拆卸整套模具取模仁时，由于需要模具降温后才可拆卸并取出模仁，之后还需重新装配模具及加温调试，整个过程耗时较长。
发明内容
鉴于以上内容，有必要提出一种模具，以解决上述问题。
本申请的实施例提供一种模具，包括模座和模仁，所述模座包括模压面，所述模压面开设有第一容置孔，所述模仁收容于所述第一容置孔内，所述模座上还开设有与所述第一容置孔连通的第二容置孔，所述模具还包括：
从动件，可转动地设于所述第一容置孔内，且位于所述模仁背离所述模压面的一侧，所述从动件的靠近所述模仁的一端与所述模仁转动连接，所述从动件在转动时可抵持所述模仁上升或下降；及
主动件，可转动地设于所述第二容置孔内，且与所述从动件传动连接，所述主动件在转动时可驱动所述从动件转动。
上述模具中的主动件可带动从动件转动，从动件在转动时可抵持模仁上升或下降，模仁的拆卸和装配均较为方便，当模仁有外观问题或者模仁需要更换时，只要拆下单个模仁即可，可以大量节约时间，减少模仁损伤几率。
在一些实施例中，所述从动件包括：
从动轴，可转动地设于所述第一容置孔内，所述从动轴的靠近所述模仁一端与所述模仁螺接；及
从动轮，连接于所述从动轴。
如此，从动轮和主动轴在其旋转方向上相互固定，从动轮32的旋转可以带动从动轴同步转动，从而从动轴抵持模仁上升或下降。
在一些实施例中，所述模仁的靠近所述从动轴的一侧开设有螺纹孔，所述螺纹孔的孔壁设有内螺纹段，所述从动轴的靠近所述模仁一端的外周面设有外螺纹段，所述外螺纹段与所述内螺纹段相适配。
如此，当主动件受力转动时可带动从动轴绕其中心轴转动，此时从动轴32的外螺纹段与模仁的内螺纹段的相互作用可使模仁在第一容置孔内上升或下降。
在一些实施例中，所述主动件包括：
主动轴，可转动地设于所述第二容置孔内，所述主动轴的远离所述第二容置孔的槽底的一端设有转动部，所述转动部用以与外部工具配合带动所述主动轴转动；及
主动轮，连接于所述主动轴，所述主动轮与所述从动轮传动连接。
如此，主动轮和主动轴在其旋转方向上相互固定，主动轴的旋转可以带动主动轮同步转动，从而主动轮带动从动轮转动，由于从动轮的转动可以带动从动轴同步转动，从而从动轴抵持模仁上升或下降。
在一些实施例中，所述第一容置孔的轴线与所述第二容置孔的轴线平行设置，所述主动轮和从动轮均为直齿轮、链轮或带轮。
如此，可从模压面对主动轴进行操作使其转动，从而主动轮带动从动轮转动，由于从动轮的转动可以带动从动轴同步转动，从而从动轴抵持模仁上升或下降。
在一些实施例中，所述第一容置孔的轴线与所述第二容置孔的轴线垂直设置，所述主动轮和从动轮均为斜齿轮。
如此，可从与模压面垂直的侧面对主动轴进行操作使其转动，从而主动轮带动从动轮转动，由于从动轮的转动可以带动从动轴同步转动，从而从动轴抵持模仁上升或下降。
在一些实施例中，所述第一容置孔包括第一孔和第二孔，所述第一孔的一端贯穿所述模压面，所述第一孔的另一端与所述第二孔连通，所述第二孔远离所述第一孔的一端贯穿所述模座的与所述模压面相对的表面，所述第二孔的孔径大于所述第一孔的孔径，所述从动轴位于所述第一孔和所述第二孔内，所述从动轮位于所述第二孔内，所述第二容置孔包括第三孔和第四孔，所述第三孔的一端贯穿所述模压面或所述模座的侧面，另一端与所述第四孔连通，所述第四孔远离所述第三孔的一端贯穿所述模座的与所述模压面相对的表面，所述第四孔的孔径大于所述第三孔的孔径，所述主动轴位于所述第三孔和所述第四孔内，所述主动轮位于所述第四孔内，所述第四孔和所述第二孔之间的对应所述从动轮的位置设有连接通道，所述连接通道分别与所述第三孔和所述第四孔连通。
第一容置孔和第二容置孔均为阶梯孔，由于第二孔的孔径大于第一孔的孔径，从动轮位于第二孔内，第一孔的存在可限制从动轮移动至其内部；由于第四孔的孔径大于第三孔的孔径，主动轮位于第四孔内，第三孔的存在可限制主动轮移动至其内部。
在一些实施例中，所述模座的与所述模压面相对的一侧设有安装孔，所述安装孔分别与所述第一容置孔和所述第二容置孔连通，以将所述从动件装设于所述第一容置孔内，以及将所述主动件装设于所述第二容置孔内。
如此，通过安装孔可方便将主动件、从动件装设在第一容置孔和第二容置孔内。
在一些实施例中，所述从动件还包括第一轴承，所述第一轴承套设于所述从动轴的外周面，且固定于所述第一容置孔的孔壁，所述主动件还包括第二轴承，所述第二轴承套设于所述主动轴的外周面，且固定于所述第二容置孔的孔 壁。
如此，第一轴承可保证从动轴转动，且可防止其在径向运动；第二轴承可保证主动轴转动，且可防止其在径向转动。
在一些实施例中，还包括：
限位件，设于所述第一容置孔的槽壁，且抵持于所述模仁的一侧，以防止所述模仁在所述第一容置孔的径向运动。
如此，限位件抵持于模仁的侧面，且可使模仁安装或拆卸过程中在从动轴的转动方向上保持固定。
在一些实施例中，所述模具的模穴数为一个、两个、四个、八个、十二个、十六个、三十二个或六十四个。
如此，可根据需要选择相应模穴数的模具，其中模具可一次成型多个产品，产品的加工效率较高，相应的也减少了模具的使用次数，延长了模具的使用寿命。
附图说明
图1是本发明实施例提出的模具的剖面结构示意图。
图2是图1中所示的模具中模座的剖面结构示意图。
图3是图2中所示的模具中III区域在一状态的局部放大图。
图4是图2中所示的模具中的III区域在另一状态的局部放大图。
主要元件符号说明
模具                           100
模座                           10
模压面                         11
第一容置孔                     12
第一孔                         121
容置槽                         1211
第二孔                         122
第一子孔                      1221
第二子孔                      1222
第二容置孔                    13
第三孔                        131
第四孔                        132
第一模板                      14
第二模板                      15
第三模板                      16
连接通道                      17
安装孔                        18
模仁                          20
型腔                          21
流道                          22
螺纹孔                        23
内螺纹段                      24
从动件                        30
从动轴                        31
挡止部                        311
外螺纹段                      312
从动轮                        32
第一轴承                      33
键                            34
主动件                        40
主动轴                        41
转动部                        411
主动轮                        42
第二轴承                      43
限位件                        50
具体实施方式
下面详细描述本发明的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度小于第二特征。
下文的公开提供了许多不同的实施方式或例子用来实现本发明的不同结构。为了简化本发明的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本发明。此外，本发明可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本发明提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
请参见图1，本发明的实施例提出了一种模具100，可方便装拆模仁，该模具100可以为压制成型模具、注射成型模具、挤出成型模具、吹塑成型模具、真空成型模具，但不限于此，本实施例以注塑成型模具进行说明。模具100的模穴数为一个、两个、四个、八个、十二个、十六个、三十二个或六十四个，如此，可根据需要选择相应模穴数的模具，其中模具可一次成型多个产品，产品的加工效率较高，相应的也减少了模具的使用次数，延长了模具的使用寿命。产品可为光学镜片，例如，手机镜头镜片、车载镜头镜片及安防镜头镜片。当然，模具100并不限于注塑精密的光学镜片，还可以注塑其他塑料产品。
模具100包括模座10、模仁20、从动件30、主动件40及限位件50。
请参见图2，模座10包括模压面11，模压面11开设有第一容置孔12，模仁20收容于第一容置孔12内。模座10上还开设有与第一容置孔12部分连通的第二容置孔13。从动件30可转动地设于第一容置孔12内，且位于模仁20背离模压面11的一侧。从动件30的靠近模仁20的一端与模仁20转动连接，从动件30转动时可抵持模仁20上升或下降。主动件40可转动地设于第二容置孔13内，且与从动件30传动连接，主动件40在转动时可驱动从动件30转动。
模座10的数量为两个，且可对接在一起使用。具体地，每个模座10包括依次层叠设置的第一模板14、第二模板15及第三模板16，第一模板14、第二模板15及第三模板16之间通过螺栓固定连接在一起。其中一模座10的第一模板14与另一模座10的第一模板14对接在一起使用，模压面11为两个第一模板14对接的表面。
在本实施例中，第一容置孔12和第二容置孔13均开设于模压面11。第一 容置孔12的轴线与第二容置孔13的轴线平行设置。
请参见图3和图4，第一容置孔12包括第一孔121和第二孔122，第一孔121位于第一模板14内，第一孔121的一端贯穿第一模板14的模压面11，第一孔121的另一端贯穿第一模板14的与模压面11相对的表面，且与第二孔122连通，其中第一孔121与模仁20的外形相适配，均为柱状结构，主要用于收容模仁20。第二孔122位于第二模板15内，第二孔122远离第一孔121的一端贯穿模座10的与模压面11相对的表面，也即第二模板15的背离第一模板14的表面。
具体地，第二孔122为阶梯孔。第二孔122包括第一子孔1221和第二子孔1222，第一子孔1221位于第一孔121和第二子孔1222之间，第一子孔1221的一端贯穿第二模板15的靠近第一模板14的表面，且与第一孔121连通，另一端与第二子孔1222连通，第一孔121的孔径大于第一子孔1221的孔径，如此，在模仁20安装完成后，模仁20固定在第一孔121内，即模仁20的一端抵持第二模板15的靠近第一模板14的表面，另一端对接另一模座10内的模仁20，可防止其在竖直方向移动。第二子孔1222的远离第一子孔1221的一端贯穿第二模板15的与第一模板14相背的表面，第二子孔1222的孔径大于第一子孔1221的孔径。
第二容置孔13为阶梯孔。第二容置孔13包括第三孔131和第四孔132，第三孔131开设于第一模板14和第二模板15，第三孔131的一端贯穿模压面11，另一端延伸至第二模板15内且与第四孔132连通。第四孔132开设于第四孔132内，第四孔132远离第三孔131的一端贯穿模座10的与模压面11相对的表面，也即第二模板15的背离第一模板14的表面，第四孔132的孔径大于第三孔131的孔径，第四孔132和第二孔122之间设有连接通道17，连接通道17分别与第二孔122和第四孔132连通，从动件30和主动件40可通过连接通道17进行传动连接。
在本实施例中，模座10的与模压面11相对的一侧设有安装孔18，安装孔18分别与第一容置孔12的第二孔122和第二容置孔13的第四孔132连通，安装孔18的孔径大于第二孔122和第四孔132的孔径之和，用以将从动件30装 设于第一容置孔12内，以及将主动件40装设于第二容置孔13内。
模仁20为两个且分别设置在两个模座10的第一容置孔12内，且对接在一起，两个模仁20的对接位置均形成有一型腔21，两个模仁20的型腔21对接在一起可形成产品型腔。模仁20形成有连通型腔21的流道22(图中仅示出部分结构)，以将熔料注塑至型腔21内。在本实施例中，模座10还包括灌嘴、顶针、上顶板、下顶板等结构，由于此结构属于模座10的常规内部结构，故不再赘述。
在本实施例中，模仁20均大致呈柱状，具体地，模仁20大致呈圆柱状或棱柱状。当然，模仁20的形状并不限于上述的实施方式，而可以根据实际的需要设计为其他形状。
从动件30包括从动轴31和从动轮32。
从动轴31可转动地设于第一容置孔12内，从动轴31的靠近模仁20一端与模仁20螺接。在本实施例中，从动轴31的部分位于第一容置孔12的第一孔121内，从动轴31的另一部分位于第一容置孔12的第二孔122内。其中从动轴31的外周面设有挡止部311，挡止部311位于第二子孔1222内，且邻近第一子孔1221设置，挡止部311的尺寸大于第一子孔1221的尺寸，以防止从动轴31沿其轴线方向移动。在实施例中，挡止部311为形成于从动轴31外周面上的凸起。
其中，模仁20的靠近从动轴31的一侧开设有螺纹孔23，螺纹孔23的孔壁设有内螺纹段24，从动轴31的靠近模仁20一端的外周面设有外螺纹段312，外螺纹段312与内螺纹段24相适配，从动轴31的设有外螺纹段312的一端可旋入螺纹孔23中，并与内螺纹段24配合。
使用时，模仁20在从动轴32的转动方向上保持固定，即模仁20仅可沿着第一容置孔12的轴线方向运动，从动轴32在其轴线方向上不发生移动，所以，当主动件40受力转动时可带动从动轴32绕其中心轴转动，此时从动轴32的外螺纹段312与模仁20的内螺纹段24的相互作用可使模仁20在第一容置孔12内上升或下降。可以理解地，内螺纹段24的旋向和外螺纹段312的旋向可根据实际需要设定为左旋或右旋，在此不作具体的限定。
可以理解地，在其他的实施例中，从动轴31的靠近模仁20一端开设有螺 纹孔，螺纹孔的孔壁设有内螺纹段，外螺纹段与内螺纹段相适配。
从动轮32位于第一容置孔12的第二子孔1222内，且套设于从动轴31的外周面上，其中从动轮32和从动轴31在其旋转方向上相互固定，即从动轮32的旋转可以带动从动轴31同步转动。具体地，从动轮32通过键34可拆卸地套设于从动轴31的外周面上。
可以理解地，在其他的实施例中，从动轮32通过焊接的方式固定连接在从动轴31的外周面上。
可以理解地，在其他的实施例中，从动轮32通过焊接的方式固定连接在从动轴31的远离模仁20的端面。
从动件30还包括第一轴承33，第一轴承33套设于从动轴31的外周面，且固定于第一容置孔12的第二子孔1222的孔壁。
本实施例中，第一轴承33为滚珠轴承，第一轴承33包括内钢圈、外钢圈及安装于内钢圈和外钢圈之间的滚珠，可以滚动的方式来降低动力传递过程中的摩擦力和提高机械动力的传递效率。具体地，外钢圈固定于第二子孔1222的孔壁，内钢圈套设于从动轴32的外周面，从动轴32在转动时可带动内钢圈转动。
可以理解地，第一轴承33还可以为其他类型的轴承，如其他类型的滚动轴承如圆柱滚子轴承等，也可以为滑动轴承等，并不以本实施例为限。
主动件40包括主动轴41和主动轮42。
主动轴41可转动地设于第二容置孔13内，主动轴41的靠近模压面11的一端设有转动部411，转动部411用以与外部工具配合带动主动轴41转动。
在本实施例中，转动部411为标准型沉孔，例如内六角沉孔。如此，通过与标准型沉孔适配的扳手可使主动轴41转动，操作简单。当然，转动部411还可以为螺头，如外六角螺头，可通过适配的外六角扳手来转动。
在本实施例中，主动轴41的部分位于第三孔131内，主动轴41的另一部分位于第四孔132内。
主动轮42位于第四孔132内，且套设于主动轴41的外周面上，其中主动轮42和主动轴41在其旋转方向上相互固定，即主动轴41的旋转可以带动主动 轮42同步转动。具体地，主动轮42通过键34可拆卸地套设于主动轴41的外周面上。
可以理解地，在其他的实施例中，主动轮42通过焊接的方式固定连接在主动轴41的外周面上。
可以理解地，在其他的实施例中，主动轮42通过焊接的方式固定连接在主动轴41的远离模仁20的端面。
主动轮42与从动轮32传动连接(驱动配合)。在本实施例中，主动轮42与从动轮32均为齿轮，此时主动轮42和从动轮32的传动连接方式为主动轮42和从动轮32相啮合。在本实施例中，齿轮为直齿轮。可以理解地，在其他地实施例中，齿轮为斜齿轮，此时第一容置孔12的轴线与第二容置孔13的轴线垂直设置，第二容置孔13的一端贯穿与模压面11垂直的侧面，或者第一容置孔12的轴线与所述第二容置孔13的轴线之间的夹角为锐角。
可以理解地，在其他的实施例中，主动轮42和从动轮32均为链轮，此时主动轮42与从动轮32的驱动配合方式为主动轮42和从动轮32通过传动链连接。
可以理解地，在其他的实施例中，主动轮42和从动轮34均为带轮，此时主动轮42与从动轮34的驱动配合方式为主动轮42和从动轮34通过传动带连接。
在本实施例中，连接通道17对应从动轮32和主动轮42设置，连接通道17的轴线、从动轮32的轴线和主动轮42的轴线重合。
主动件40还包括第二轴承43，第二轴承43套设于主动轴41的外周面，且固定于第二容置孔13的第四孔132的孔壁。
本实施例中，第二轴承43为滚珠轴承，第二轴承43包括内钢圈、外钢圈及安装于内钢圈和外钢圈之间的滚珠，可以滚动的方式来降低动力传递过程中的摩擦力和提高机械动力的传递效率。具体地，外钢圈固定于第二容置孔13的第四孔132的孔壁，内钢圈套设于主动轴41的外周面，主动轴41在转动时可带动内钢圈转动。
可以理解地，第二轴承43还可以为其他类型的轴承，如其他类型的滚动轴 承如圆柱滚子轴承等，也可以为滑动轴承等，并不以本实施例为限。
限位件50固定连接于第一容置孔12的孔壁，具体地，限位件50大致为L形，第一容置孔12的第一孔121的孔壁开设有与限位件50外形适配的容置槽1211，容置槽1211从第一模板14的与模压面11相对的表面开设，当模仁20从第一容置孔12取出后，限位件50的部分设于容置槽1211内，另一部分朝向第一孔121的轴线延伸，图3中所示的是模仁20收容于第一容置孔12内，限位件50完全设于容置槽1211内，限位件50为柔性材料制成，故限位件50可弹性抵持于模仁20的侧面，以使模仁20安装或拆卸过程中在从动轴31的转动方向上保持固定。其中限位件50可通过焊接、胶粘等固定连接方式设置于容置槽1211内。可以理解的是，限位件50可在模仁20为圆柱状的时候使用，当模仁为其他形状，如棱柱状等时，模仁20与第一孔121的内壁配合已可防止模仁20的转动，则限位件50可以省略。另外，可以理解的是，限位件50还可以为其他的结构，如模仁20开设一与其轴向相平行延伸的平面形的切面，限位件50具有与所述切面相接触的平面，这样的配向方式依然可以防止模仁20的旋转，并不以本实施例为限。
本实施例模仁20的拆卸过程为：通过与转动部411适配的扳手使主动轴41转动，主动轴41的旋转可以带动主动轮42同步转动，由于主动轮42与从动轮32传动连接，主动轮42与从动轮32同步转动并带动从动轴32转动，此时从动轴32的外螺纹段312与模仁20的内螺纹段24的相互作用可使模仁20在第一容置孔12内上升或下降。
上述模具100中的主动件40可带动从动件30转动，从动件30在转动时可带动模仁20上升或下降，模仁20的拆卸和装配均较为方便，当模仁20有外观问题或者需要更换时，只要拆下单个模仁20即可，可以大量节约时间，减少模仁20损伤几率。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落 在权利要求的等同要件的含义和范围内的所有变化涵括在本发明内。
最后应说明的是，以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或等同替换，而不脱离本发明技术方案的精神和范围。

Claims (11)

  1. 一种模具，包括模座和模仁，所述模座包括模压面，所述模压面开设有第一容置孔，所述模仁收容于所述第一容置孔内，其特征在于，所述模座上还开设有与所述第一容置孔连通的第二容置孔，所述模具还包括：
    从动件，可转动地设于所述第一容置孔内，且位于所述模仁背离所述模压面的一侧，所述从动件的靠近所述模仁的一端与所述模仁转动连接，所述从动件在转动时可抵持所述模仁上升或下降；及
    主动件，可转动地设于所述第二容置孔内，且与所述从动件传动连接，所述主动件在转动时可驱动所述从动件转动。
  2. 如权利要求1所述的模具，其特征在于，所述从动件包括：
    从动轴，可转动地设于所述第一容置孔内，所述从动轴的靠近所述模仁一端与所述模仁螺接；及
    从动轮，连接于所述从动轴。
  3. 如权利要求2所述的模具，其特征在于，所述模仁的靠近所述从动轴的一侧开设有螺纹孔，所述螺纹孔的孔壁设有内螺纹段，所述主动轴的靠近所述模仁一端的外周面设有外螺纹段，所述外螺纹段与所述内螺纹段相适配。
  4. 如权利要求2或3所述的模具，其特征在于，所述主动件包括：
    主动轴，可转动地设于所述第二容置孔内，所述主动轴的端部设有转动部，所述转动部用以与外部工具配合带动所述主动轴转动；及
    主动轮，连接于所述主动轴，所述主动轮与所述从动轮传动连接。
  5. 如权利要求4所述的模具，其特征在于，所述第一容置孔的轴线与所述第二容置孔的轴线平行设置，所述主动轮和从动轮均为直齿轮、链轮或带轮。
  6. 如权利要求4所述的模具，其特征在于，所述第一容置孔的轴线与所述第二容置孔的轴线垂直设置，所述主动轮和从动轮均为斜齿轮。
  7. 如权利要求5或6所述的模具，其特征在于，所述第一容置孔包括第一孔和第二孔，所述第一孔的一端贯穿所述模压面，所述第一孔的另一端与所述 第二孔连通，所述第二孔远离所述第一孔的一端贯穿所述模座的与所述模压面相对的表面，所述第二孔的的孔径大于所述第一孔的孔径，所述从动轴位于所述第一孔和所述第二孔内，所述从动轮位于所述第二孔内，所述第二容置孔包括第三孔和第四孔，所述第三孔的一端贯穿所述模压面或所述模座的侧面，另一端与所述第四孔连通，所述第四孔远离所述第三孔的一端贯穿所述模座的与所述模压面相对的表面，所述第四孔的孔径大于所述第三孔的孔径，所述主动轴位于所述第三孔和所述第四孔内，所述主动轮位于所述第四孔内，所述第四孔和所述第二孔之间的对应所述从动轮的位置设有连接通道，所述连接通道分别与所述第三孔和所述第四孔连通。
  8. 如权利要求7所述的模具，其特征在于，所述模座的与所述模压面相对的一侧设有安装孔，所述安装孔分别与所述第一容置孔和所述第二容置孔连通，以将所述从动件装设于所述第一容置孔内，以及将所述主动件装设于所述第二容置孔内。
  9. 如权利要求4所述的模具，其特征在于，所述从动件还包括第一轴承，所述第一轴承套设于所述从动轴的外周面，且固定于所述第一容置孔的孔壁，所述主动件还包括第二轴承，所述第二轴承套设于所述主动轴的外周面，且固定于所述第二容置孔的孔壁。
  10. 如权利要求1所述的模具，其特征在于，还包括：
    限位件，设于所述第一容置孔的槽壁，且抵持于所述模仁的侧面，以防止所述模仁在所述第一容置孔的径向运动。
  11. 如权利要求1所述的模具，其特征在于，所述模具的模穴数为一个、两个、四个、八个、十二个、十六个、三十二个或六十四个。
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