TW201831305A - Optical mold having parting surface locking function capable of enhancing the product precision on the mold and preventing materials from falling into the mold surfaces - Google Patents

Abstract

This invention relates to an optical mold having parting surface locking function. A first mold seat and a second mold seat capable of being relatively opened and closed are respectively provided with a male mold and a female mold at one side; and provided with a first locking component and a second locking component. A locking ring is disposed between the two locking components. A plurality of locking locations equidistantly arranged are arranged between each locking component and the locking ring. Each locking location is composed of a cam post and a locking slot mutually locked or separated, enabling two mold surfaces to be in an opened mold status or a closed mold status when driving the locking ring and the locking forces of each position between the male mold and the female mold are the same. Therefore, this invention can have the practical efficacies of enhancing the product precision on the mold and preventing materials from falling into the mold surfaces.

Description

Optical mold with parting surface locking function

The invention is a mold for molding an optical product, especially an optical mold having a locking function.

The prior art locking mechanism is mounted on a molding die composed of a male mold and a female mold. After the male mold and the female mold are clamped and shot and discharged, the locking device can be used by the locking mechanism. The male mold and the female mold are temporarily locked and fastened, and after the injection device is driven away from the molding die, the locking function of the locking mechanism is released to perform the opening of the male mold and the female mold, since the shot is completed The injection device is separated from the mold first, but the male mold and the female mold are still locked by the locking mechanism to be in a closed state, so that the injection head of the injection device will not fall even if there is still material dripping. The falling of the mold in the mold allows the male and female molds to remain in an initial clean state for the next article injection molding process.

Since the prior art is attached to the male mold of the molding die and the locking mechanism on the female mold, it is usually disposed at two opposite positions of the molding die, so that the clamping force of the male mold and the female mold is only at a circumferential position. Two of the opposite points will produce the disadvantage that the closing effect of the full-circumferential die face of the mold or assembly that abuts against each other is uneven and damage is caused to the mold.

In view of the shortcomings and problems of the prior art locking mechanism, the configuration of the present invention is provided with a first locking component and a second locking component respectively on the two mold bases, and an outer portion between the two locking components is provided with a a locking ring, and a plurality of locking grooves and a coupling post are provided at intervals corresponding to each of the locking components and the locking ring, thereby providing equal locking between the molds or components that abut each other Force, as well as increasing the accuracy of the product on the mold.

In order to achieve the foregoing object, the technical means is to provide an optical mold having a parting surface locking function, comprising a first mold base, a second mold base, a first locking component, and a second lock. And a lock ring; the first mold base has a body, the one side of the seat body has the first lock assembly; the second mold base has a body, and one side of the seat body has the second a locking assembly; the first locking assembly has a first locking seat, the first locking seat is a hollow ring body and one side thereof is a first die surface, and the outer ring surface of the first locking seat is provided with a plurality of a first locking slot; the second locking component has a second locking seat, the second locking seat is a hollow ring body and one side thereof is a second die surface, and the outer ring surface of the second locking seat is a plurality of second locking grooves, each of the second locking grooves corresponding to the position of each of the first locking grooves, the second die face abutting against the first die face of the first locking seat; The lock ring includes a ring body, which is a hollow body and has two sides, and is spaced apart from the inner wall of the ring body There is a first combined column group and a second combined column group, the ring body of the locking ring is movable outside the first locking seat and the second locking seat, and the first coupling column group includes a plurality of cams And surrounding the inner surface of the ring, the second binding column group includes a plurality of cam columns and is disposed around the inner surface of the ring, and each of the first and second locking blocks of the first binding column group The first locking groove is coupled to each other, and each of the cam posts of the second coupling column group and the second locking groove of the second locking seat are coupled to each other.

The optical mold having a parting surface locking function, wherein each of the first locking grooves of the first locking seat is equally spaced, and each of the first locking grooves of the second locking seat is equally spaced Each of the cam columns of the first binding column group and each of the cam columns of the second coupling column group are respectively disposed around the inner surface of the ring of the locking ring; each of the cam columns of the first bonding column group is formed An imaginary plane, each of the cam columns of the second binding column group is formed with an imaginary plane, and the imaginary plane of the first bonding pillar group and the imaginary plane of the second bonding pillar group are parallel to each other.

The optical mold has a parting surface locking function, wherein the first locking groove comprises a first indexing groove, a first upper groove, a second upper groove and a lower groove, the first indexing groove a long groove, one end of the first indexing groove is in communication with the first die face of the first latching seat, the first upper slot is a long groove, and one end of the first upper slot is opposite to the first turn The second upper slot is a long groove, one end of the second upper slot is in communication with the first indexing groove, and the lower slot is a long groove, and the lower slot is at one end and the first index The second locking groove includes a second indexing groove and a cam groove, the second indexing groove is a long groove, and one end of the second indexing groove and the second of the second locking seat The second die face and the first die face abut each other, the second indexing groove and the first indexing groove are in communication with each other, the cam groove is a long groove, and the cam groove is at one end The long groove of the second indexing groove is in communication; each of the cam columns of the first coupling column group of the ring body of the locking ring is movable in the first upper groove, the first indexing groove or the lower groove , Each of the cams of the binding column by column for the second group is movable in a second groove position, the first indexing slot, a second indexing cam groove or grooves.

The optical mold having a parting surface locking function, wherein the seat body of the first mold base is a single body and one side thereof is a mounting surface, and the other side of the first locking seat of the first locking assembly a fixing surface, the fixing surface of the first locking seat is fixedly coupled with the mounting surface of the first mold base, the seat body of the second mold base is a single body and one side thereof is a mounting surface, and the second locking is The other side of the second locking seat of the assembly is a fixing surface, and the fixing surface of the second locking seat is fixedly coupled with the mounting surface of the second mold base.

The optical mold having a parting surface locking function, wherein the ring body of the locking ring has two sides, the two sides and an imaginary surface formed by each of the cam columns of the first combining column group and the second The imaginary planes formed by the respective cam columns of the combined column group are parallel to each other.

The optical mold having a parting surface locking function, wherein the seat body of the first mold base is further provided with at least a first-class channel and a plurality of ports, each of the flow channels being formed on the seat body of the first mold base Each of the openings communicates with each of the flow passages, and the mounting surface of the first mold base is combined with one of a male mold or a female mold of a mold; the seat body of the second mold base is further provided with at least a first-class a channel and a plurality of ports, each of the channels being formed on a mounting surface of the base of the second die holder, each of the ports communicating with each of the channels, the mounting surface of the second die holder and a mold One of the molds or the master molds are combined with each other; each of the flow passages of the first mold base and the combined mold and the flow passages of the second mold base and the combined mold are respectively formed to be A flow path for the liquid to flow.

The optical mold having a parting surface locking function, wherein each of the flow passages of the seat body of the first mold base is disposed in a concentric circle, and each of the flow passages of the seat body of the second mold base is arranged in a concentric circle .

The use of the aforementioned technical means will have the following advantages and effects:

Since the present invention is provided with a locking mechanism on the optical mold, it comprises two first locking assemblies that can be fixed to the first mold base and a second locking assembly that is fixed to the second mold base, in the first and second locks. An outer portion of the attachment assembly is provided with a locking ring, and a plurality of locking grooves and a plurality of coupling posts are disposed at intervals corresponding to each of the locking assembly and the locking ring, thereby being capable of abutting against each other Or the assembly provides an equally fastened locking force over the full circumference of the die face, with better closure and increased precision of the product on the mold.

When the locking ring is driven to form a release state with respect to the first locking component and the second locking component, the die faces of the two components and the die faces of the molding die can be moved in parallel with each other.

Moreover, since the male mold and the female mold of the molding die are respectively mounted on the first mold base and the second mold base, and the first locking component and the second locking component are located outside the molding die, the locking phase can be Prevent foreign matter from falling onto the mold surface of the male and female molds.

A flow channel is disposed on the mounting surface of the first mold base and the second mold base, and the male mold and the female mold are assembled in the first mold base and the second mold base to form a flow path through which the cooling liquid can pass, thereby maintaining The temperature between each of the locking components and the locking ring will allow the locking ring to be driven to rotate more smoothly.

Referring to FIG. 1 and FIG. 2, the present invention is an optical mold having a parting surface locking function, comprising a first mold base 10, a second mold base 20, a first locking assembly 30, and a second locking. The assembly 40 and a lock ring 50.

The first mold base 10 has a body 11 , a mounting surface 12 , at least a first-class channel 13 and a plurality of ports 14 . The seat body 11 is a single body and has two sides. The mounting surface 12 is located on the seat body 11 . In one side, each of the flow channels 13 is formed on the mounting surface 12, and each of the openings 14 communicates with each of the flow channels, and the mounting surface 12 and one of the male and female molds of the molding die (not shown) In combination with each other, each of the flow passages 13 is formed as a first-class road to provide a passage of cooling liquid; the embodiment shown in the figures is provided with two concentric flow passages 13 through which water can be guided into each of the openings Flowing in the flow channel 13 and circulating;

The second mold base 20 has a body 21, a mounting surface 22, at least a first-class track 23, and a plurality of ports 24, wherein the seat body 21 is a single body and has two sides, and the mounting surface 22 is located at the seat body 21. In one side, the flow channel 23 is formed on the mounting surface 22, and each of the openings 24 communicates with each of the flow channels 23, and the mounting surface 22 and one of the male and female molds of the molding die (not shown) In combination with each other, each of the flow passages 23 is formed as a first-class road to provide a passage of cooling liquid; the embodiment shown in the figures is provided with two concentric flow passages 23 through which water can be guided into each of the openings The flow path 23 is circulated and flows.

Referring to FIG. 3 and FIG. 4 , the first locking component 30 has a first locking seat 31 , a first die surface 32 and a plurality of first locking slots. The first locking seat 31 is a hollow ring. One side of the first latching seat 31 is a fixing surface 300. The fixing surface 300 is fixedly coupled to the mounting surface 12 of the first die holder 10, and the other side is a first die face 32. a locking slot is located on the outer ring surface between the fixing surface 300 of the first latching seat 31 and the first die face 32, and each of the first latching slots is equidistantly disposed at the first latching The outer annulus of the seat 31;

Each of the first locking slots includes a first indexing slot 33, a first upper slot 34, a second upper slot 35 and a lower slot 36, wherein the first indexing slot 33 is a long recess, the first One end of an indexing groove 33 communicates with the first die face 32 of the first latching seat 31. The first upper slot 34 is a long groove, and the long groove end of the first upper slot 34 and the first turn The long groove of the bit groove 33 is in communication, the second upper groove 35 is a long groove, and one end of the long groove of the second upper groove 35 communicates with the long groove of the first index groove 33, and the lower groove 36 is a long groove, and one end of the long groove of the lower groove 36 communicates with the long groove of the first indexing groove 33.

As shown in the specific embodiment, the long axis of the first indexing groove 33 is perpendicular to the first die face 32, and the first upper slot 34 and the second upper slot 35 are spaced apart at the first turn. One side of the long groove of the groove 33 is located on the other side of the long groove of the first index groove 33; further, the long axis of the first upper groove 34 and the second The long axis of the upper slot 35 is parallel to the first die face 32. The long axis of the first upper slot 34 may be perpendicular to the long axis of the first indexing slot 33. The second upper slot 35 The long axis may be perpendicular to the long axis of the first indexing groove 33, and the long axis of the lower groove 36 is parallel to the first die face 32.

The second locking component 40 has a second locking seat 41, a second die surface 42 and a plurality of second locking slots. The second latching seat 41 is a hollow ring body, and the second latching seat 41 The side surface is a fixing surface 400. The fixing surface 400 is fixedly coupled to the mounting surface 22 of the second mold base 20, and the other side is a second mold surface 42. The second locking groove is located at the second locking surface. The outer ring surface between the fixing surface 400 of the seat 41 and the second die surface 42 and the second locking grooves are equally spaced apart from the outer ring surface of the second latching seat 41;

Each of the second locking slots 43 includes a second indexing slot 43 and a cam slot 44. The second indexing slot 43 is a long recess. One end of the second indexing slot 43 and the second latching seat The second die face 42 of the 41 is in contact with each other. When the second die face 42 of the second latching seat 41 and the first die face 32 of the first latching seat 31 abut each other, the second indexing groove 43 and the first An indexing groove 33 is in communication with each other, and the cam groove 44 is a long groove. One end of the long groove of the cam groove 44 communicates with the long groove of the second indexing groove 43.

As shown in the specific embodiment, the second axial direction of the second indexing groove 43 is perpendicular to the second die surface 42. The cam groove 44 is located on one side of the long groove of the second indexing groove 43. The position of the lower groove 36 adjacent to the first lock seat 31 is located below the second indexing groove 43. Moreover, the long axial direction of the cam groove 44 is parallel to the second die face 42.

Referring to FIG. 4 and FIG. 6, the two opposite groove faces of the long groove of the cam groove 44, wherein one of the groove faces adjacent to the second die face 42 is a lock pressing surface 441, the lock The pressing surface 441 can be any shape surface, for example, a convex groove surface or a cycloid groove surface or an involute groove surface. As shown in one embodiment, the lock is attached. The pressing surface 441 is intersected with the middle of the groove surface of the cam groove 44 to form an angle α toward the second indexing groove 43 , and an angle β is formed away from the second indexing groove 43 , so that the locking pressing surface 441 is formed. The distance between the end of the second indexing groove 43 and the second die surface 42 is a distance X, and the locking abutting surface 441 is away from the other end of the second indexing groove 43 and the second die face 42. The distance between them is the pitch Y, wherein the pitch X is smaller than the pitch Y. Furthermore, the angle α and the angle β may be equal. In another embodiment, the angle α and the angle β may also be unequal.

The locking ring 50 includes a ring body 51, a first coupling column group 52 and a second coupling column group 53. The ring body 51 is an annular hollow body and has two sides, and the ring of the locking ring 50 The body 51 is disposed on the outer side of the first latching seat 31. When the second die face 42 of the second latching seat 41 and the first die face 32 of the first latching seat 31 abut each other, the latching ring 50 The ring body 51 is movable on the outer side of the first latching seat 31 and the second latching seat 41;

The first binding column group 52 and the second coupling column group 53 are protruded from the inner surface of the ring body 51 of the locking ring 50. The first coupling column group 52 includes a plurality of cam columns 521, each of the cams. The pillars 521 are equally spaced and are disposed on the inner surface of the ring body 51. The second coupling pillar group 53 includes a plurality of cam pillars 531, and the cam pillars 531 are equally spaced and surround the inner surface of the ring body 51. And the imaginary plane formed by the two sides of the ring body 51 and the cam pillars 521 of the first joint pillar group 52 and the imaginary planes formed by the cam pillars 531 of the second joint pillar group 53 are mutually parallel.

The number of the cam posts 521 of the first binding column group 52 and the number of the cam posts 531 of the second coupling column group 53 are the same as the number of the first locking groove and the second locking groove; the first coupling column group 52 The distance between the cam post 521 and the cam post 531 of the second coupling post group 53 is equal to the distance between the first upper slot 34 and the second upper slot 35.

As shown in FIG. 4, the cam post 521 of the first binding post group 52 and the cam post 531 of the second coupling post group 53 are respectively corresponding to the first locking slot of the first latching seat 31. In the upper slot 34 and the second upper slot 35, when the locking ring 50 is rotated, each of the cam posts 521 and each of the cam posts 531 can be respectively located in each of the first upper slots 34 of each of the first locking slots. And moving in each of the second upper slots 35;

Referring to FIG. 5 again, when the cam post 521 and each of the cam posts 531 are displaced to the first indexing groove 33 of each of the first locking grooves and the second indexing position of each of the second locking grooves When the slot 43 is moved, the ring body 51 of the locking ring 50 is movable toward the second latching seat 41 of the second latching assembly 40, and each of the cam posts 521 is movable in the first indexing slot 33. The column 531 can be moved by the first indexing groove 33 into the second indexing groove 43;

Referring to FIG. 3, FIG. 6, FIG. 7, and FIG. 8, each of the cam posts 521 and each of the cam posts 531 are moved and respectively correspond to the lower slot 36 of the first locking slot and the first lock. When the cam ring 44 is attached to the slot, the cam post 521 and each of the cam posts 531 can be moved into each of the lower slots 36 and the cam slots 44; The distance X between one end of the locking abutting surface 441 and the second die surface 42 is smaller than the distance Y between the other end and the second die face 2, so that each of the cam posts 531 can easily enter each of the cam grooves 44. When the cam post 531 moves on each of the locking abutting surfaces 441, the second die surface 42 of the second latching seat 41 can be further moved toward the first die face 32 of the first latching seat 31 to achieve mutual adhesion. Close by.

Referring to FIG. 6 , the first die face 32 of the first locking component 30 and the second die face of the second locking component 40 are obtained by the locking abutting surface 441 of the cam groove 44 . 42 can be closely closed to each other, and each of the first locking grooves provided by the first locking component 30 at equal intervals is equidistant from the second locking component 40. a second locking slot, and corresponding to each of the cam posts 521 and the cam posts 531 of the locking ring 50, such that the generated locking force is equally distributed in the first latching seat 31 and the second latching Each radiation of the seat 41 is oriented.

Referring to Figures 1 and 2, the outer portion of the lock ring 50 can further be provided with a drive rod 54 to provide the lock ring 50 at the first position by the drive rod 54 when the manual mode is applied. The locking seat 31 or the second locking seat 41 rotates, and the locking ring 50 can also be driven to rotate using other power modes, for example, using a gas powered or electric method.

Further, each of the flow passages 13 of the first mold base 10 and each of the flow passages 23 of the second mold base 20 are respectively formed with a flow path through which the cooling liquid can pass, thereby being controllably mounted on the first mold base. 10 and the temperature of the male and female molds of the molding die on the second die holder 20, and the temperature of the first locking component 30, the second locking component 40 and the locking ring 50 can be controlled, thereby making the locking The ring 50 is smoothly rotated on the outer ring faces of the first latching seat 31 and the second latching seat 41.

10‧‧‧ first mold base

11‧‧‧

12‧‧‧Installation surface

13‧‧‧ flow path

14‧‧‧ mouth

20‧‧‧Second mold base

21‧‧‧ body

22‧‧‧Installation surface

23‧‧‧ flow path

24‧‧‧ mouth

30‧‧‧First lock assembly

300‧‧‧Fixed surface

31‧‧‧First lock seat

32‧‧‧First face

33‧‧‧First indexing slot

34‧‧‧First upper slot

35‧‧‧Second upper trough

36‧‧‧Slot

40‧‧‧Second lock assembly

400‧‧‧fixed surface

41‧‧‧Second lock seat

42‧‧‧Second face

43‧‧‧Second indexing slot

44‧‧‧ cam slot

441‧‧‧Locked against the pressure surface

50‧‧‧Lock ring

51‧‧‧Act

52‧‧‧First combined column group

521‧‧‧Cam column

53‧‧‧Second combined column group

531‧‧‧Cam column

54‧‧‧ drive rod

α, β‧‧‧ angle

X‧‧‧ spacing

Y‧‧‧ spacing

Figure 1 is a perspective view of the present invention. Figure 2 is an exploded view of the components of the present invention. Figure 3 is a schematic view of the combination of the present invention. Figure 4 is a schematic view (1) of the operation of the present invention. Figure 5 is a schematic view (2) of the operation of the present invention. Figure 6 is a schematic view (3) of the operation of the present invention. Figure 7 is a cross-sectional view of the A-A of Figure 3 of the present invention. Figure 8 is a cross-sectional view of the B-B of Figure 3 of the present invention.

Claims (7)

An optical mold having a parting surface locking function, comprising a first mold base, a second mold base, a first locking assembly, a second locking assembly and a locking ring; the first mold base has a body One side of the seat body has the first locking assembly; the second mold base has a body having a second locking assembly on one side thereof; the first locking assembly has a first locking seat The first locking seat is a hollow ring body and one side thereof is a first die surface, the outer ring surface of the first locking seat is provided with a plurality of first locking grooves; the second locking component has a second a locking seat, the second locking seat is a hollow ring body and one side thereof is a second die surface, and the outer ring surface of the second locking seat is provided with a plurality of second locking grooves, each of the second locking grooves and Each of the first locking grooves is disposed at a position corresponding to the first die face of the first latching seat; the locking ring includes a ring body, and the ring body is a hollow body And having two sides, a first combination column group and a second binding column group are arranged on the inner wall surface of the ring body, and the ring of the locking ring is arranged The movable binding position is outside the first locking seat and the second locking seat, the first coupling column group includes a plurality of cam columns and surrounds the inner surface of the ring, and the second coupling column group includes a plurality of cam columns And surrounding the inner surface of the ring, each of the cam posts of the first binding column group and the first locking groove of the first locking seat are coupled to each other, and the cam columns of the second bonding column group are Each of the second locking grooves of the second locking seat is coupled to each other. An optical mold having a parting surface locking function according to claim 1, wherein each of the first locking grooves of the first locking seat is equally spaced, and each of the first locking grooves of the second locking seat For the equidistant arrangement, each of the cam columns of the first combination column group and each of the cam columns of the second combination column group are respectively disposed around the inner surface of the ring of the lock ring; each of the first combination column groups The cam post is formed with an imaginary plane, and each of the cam pillars of the second joint pillar group is formed with an imaginary plane, and the imaginary plane of the first joint pillar group and the imaginary plane of the second joint pillar group are parallel to each other. The optical mold having the parting surface locking function of claim 2, wherein the first locking groove comprises a first indexing groove, a first upper groove, a second upper groove and a lower groove, the first An indexing groove is a long groove, and one end of the first indexing groove is in communication with the first die surface of the first locking seat, the first upper groove is a long groove, and one end of the first upper groove is The first indexing groove is in communication, the second upper groove is a long groove, one end of the second upper groove is in communication with the first indexing groove, and the lower groove is a long groove, and the lower groove is at one end The second indexing groove is connected to the second locking groove; the second locking groove includes a second indexing groove and a cam groove, the second indexing groove is a long groove, and one end of the second indexing groove and the second blocking groove The second die face of the seat is in contact with each other, the second die face and the first die face abut each other, the second indexing groove and the first indexing groove are in communication with each other, and the cam groove is a long groove, One end of the cam slot communicates with the long groove of the second indexing groove; each of the cam posts of the first coupling column group of the ring body of the locking ring is movable in the first upper slot, the first turn The groove or grooves, each of the cam post of the second set of binding posts to be movable in a second groove position, the first indexing slot, a second indexing cam groove or grooves. The optical mold having the parting surface locking function according to claim 3, wherein the seat body of the first mold base is a single body and one of the side surfaces is a mounting surface, and the first locking seat of the first locking assembly The other side is a fixing surface, and the fixing surface of the first locking seat is fixedly coupled with the mounting surface of the first mold base. The seat body of the second mold base is a single body and one side thereof is a mounting surface. The other side of the second locking seat of the second locking component is a fixing surface, and the fixing surface of the second locking seat is fixedly coupled with the mounting surface of the second die holder. An optical mold having a parting surface locking function according to claim 4, wherein the ring body of the locking ring has two sides, and the imaginary faces formed by the two sides and the cam columns of the first combining column group And the imaginary planes formed by the cam columns of the second combined column group are parallel to each other. The optical mold having a parting surface locking function according to any one of claims 1 to 5, wherein the seat body of the first mold base is further provided with at least a first pass and a plurality of through ports, each of the flow paths being formed a mounting surface of the seat body of the first die holder, each of the communication ports communicating with each of the flow channels, the mounting surface of the first mold base being combined with one of a male mold or a female mold of a mold; the second mold The seat body of the seat is further provided with at least a first-class channel and a plurality of ports, each of the flow channels is formed on a mounting surface of the base body of the second die holder, and each of the openings communicates with each of the flow channels, the second mode The mounting surface of the seat is combined with one of the male or female molds of a mold; each of the flow passages of the first mold base and the combined mold and the flow path of the second mold base are combined with each other The molds are respectively formed as flow paths through which liquid can flow. An optical mold having a parting surface locking function according to claim 6, wherein each of the flow passages of the seat body of the first mold base is disposed in a concentric circle, and each of the flow passages of the seat body of the second mold base Set with concentric circles.