CN218139474U

CN218139474U - Glasses leg injection mold

Info

Publication number: CN218139474U
Application number: CN202222285620.7U
Authority: CN
Inventors: 李金勇
Original assignee: Linhai Mingyuan Optical Mold Factory
Current assignee: Linhai Mingyuan Optical Mold Factory
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-27
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses a glasses mirror leg injection mold belongs to injection mold technical field, including upper die base (1) and die holder (2), be provided with die cavity (3) and lower die cavity (4) on upper die base (1) and die holder (2) respectively, the one end of lower die cavity (4) is provided with silo one (8), the other end is provided with locating piece (9), be provided with hinge slot (10) on locating piece (9), the mirror leg holds in the palm end (11) and silo two (12), be provided with shape fixing plate one (14) and shape fixing plate two (34) on upper die base (1) and die holder (2), cavity groove one (15) and cavity groove two (35) have been seted up on shape fixing plate one (14) and shape fixing plate two (34), the profile of cavity groove one (15) and cavity groove two (35) is unanimous with the profile of last die cavity (3) and lower die cavity (4), the utility model discloses can make mirror leg and metal hinge one shot forming, can also narrow down the compound die line of mirror leg after the shaping, make the compound die line of mirror leg narrow down.

Description

Glasses leg injection mold

Technical Field

The utility model belongs to the technical field of injection mold, it relates to one kind specifically can be with the glasses leg injection mold of once injection moulding of mirror leg, metal leg silk and metal hinge of moulding plastics.

Background

On an application date of 2015 06, 19 days, the utility model discloses a glasses leg injection mold of 201520430390.6, including front template, back template and shedder, be equipped with corresponding mirror leg groove on front template and the back template respectively, be equipped with the sprue gate on the front template, shedder includes the demoulding seat, the stripper plate, the left branch fagging, the right branch fagging, drawing of patterns push rod and reset spring, still be equipped with respectively on front template and the back template, lower drainage groove and middle drainage groove, the middle drainage groove of back template with on, the junction of lower drainage groove and the top of mirror leg groove are equipped with the through-hole respectively, the stripper plate laminates in back template one side, drawing of patterns push rod one end is installed on the demoulding seat, the other end passes the board in proper order, the through-hole of back template and keeps level with the lateral surface of through-hole, reset spring locates between demoulding seat and the stripper plate. The utility model discloses a simple structure is reasonable, and it is more convenient to make, and the cost is also lower, can make the glasses leg after injection moulding have better outward appearance simultaneously, is favorable to improving the qualification rate of product.

However, the above-mentioned glasses leg injection mold cannot place the metal hinge and the metal leg wire in the mold, and cannot make the injection-molded glasses leg, the metal leg wire and the metal hinge be injection-molded at one time, so that the production efficiency is low; and the formed glasses legs are obtained through the mold, and the mold has an obvious joint line and poor product quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art can't make the thick technical problem of the joint line of the mirror leg of moulding plastics, the one shot injection moulding of metal feet silk and metal hinge and mirror leg, now provide one kind can make the one shot injection moulding of mirror leg, metal feet silk and metal hinge of moulding plastics and can subduct the glasses leg injection mold of mirror leg joint line.

In order to solve the technical problem, the utility model provides a glasses leg injection mold, including upper die base and die holder, upper die base and die holder on be provided with die cavity and lower die cavity relatively respectively, the upper die base on be provided with runner one, the up end of upper die base is provided with the feed port that is linked together with runner one, the die holder on be provided with runner two relative with runner one, runner one communicate with each other with upper die cavity, runner two communicate with each other with lower die cavity, the one end of die cavity is provided with silo one down, the other end of die cavity is provided with the locating piece down, the relative one side in locating piece and lower die cavity is provided with the mirror leg groove, the upper surface of locating piece is provided with and holds in the palm end and silo two, the mirror leg hold in the palm the end and set up in lower die cavity, upper die base and die holder on be provided with shape setting plate one and shape setting plate two respectively, shape setting plate one and shape plate two on set up cavity groove one and shape plate two respectively, shape of cavity groove be unanimous with the profile of die cavity respectively.

As a further improvement of the utility model, foretell glasses mirror leg injection mold, the locating piece on still be provided with the constant head tank, second silo and constant head tank be linked together, the constant head tank is used for fixing a position the position of metal leg silk.

As the utility model discloses a further improvement measure, foretell glasses leg injection mold, the below of die holder is provided with demoulding mechanism, demoulding mechanism include the bottom plate, bottom plate and die holder between be provided with the backup pad, the top of bottom plate is provided with the fly leaf, the die holder on be provided with the thimble, the one end setting of thimble is on the fly leaf, the other end setting of thimble is in runner two, demoulding mechanism work can make the thimble push up, with the ejecting mould of fashioned product.

As the utility model discloses a further improvement measure, foretell glasses mirror leg injection mold, the upper die base on be provided with the release link, the release link setting on the fly leaf, be provided with the elastic component on the release link between fly leaf and the die holder, the release link can help the thimble to reset.

As the utility model discloses a further improvement measure, foretell glasses leg injection mold, upper die base and die holder on all be provided with the hole for heating, be provided with the heater block in the hole for heating, the heater block is used for heating upper die base and die holder.

As the utility model discloses a further improvement measure, foretell glasses leg injection mold, upper die base and die holder on all be provided with the temperature sensing hole, be provided with induction system in the temperature sensing hole, induction system is used for detecting the temperature of upper die base and die holder.

As the utility model discloses a further improvement measure, foretell glasses mirror leg injection mold, setting board one and the upper die base between set up screw one, setting board two and die holder between be provided with screw two, installation setting plate one is dismantled to accessible screw one, dismantles installation setting plate two through screw two.

As the utility model discloses a further improvement measure, foretell glasses leg injection mold, the upper die base on be provided with the guide pillar, the die holder on be provided with guide pillar complex guide hole, the upper die base on be provided with the locking module piece, the die holder on be provided with locking module piece complex mode locking groove, can prevent like this that upper die base and die holder from misplacing, can make the compound die more stable.

Compared with the prior art, the beneficial effects of the utility model reside in that: 1. the metal leg wires and the metal hinges can be positioned by arranging the positioning blocks and the first material grooves, so that the glasses legs, the metal leg wires and the metal hinges can be conveniently formed in one-step injection molding mode, and the production efficiency can be improved; 2. through the arrangement of the first shaping plate and the second shaping plate, when the upper cavity and the lower cavity of the mold are polished, the polishing precision can be improved, and the joint line of a product can be narrowed.

Drawings

Fig. 1 is a perspective view of the present invention without the first shape-setting plate and the second shape-setting plate.

Fig. 2 is a perspective view of the upper mold of the present invention.

Fig. 3 is a perspective view of the upper die of the present invention without the first positioning plate.

Fig. 4 is a perspective view of the lower mold of the present invention.

Fig. 5 is a perspective view of the lower die of the present invention without the second positioning plate.

Fig. 6 is a perspective view of the positioning block of the present invention.

Fig. 7 is a perspective view of the metal hinge and the metal leg wire of the present invention.

The reference numbers illustrate: 1-upper die holder, 2-lower die holder, 3-upper die cavity, 4-lower die cavity, 5-first runner, 6-feed hole, 7-second runner, 8-first trough, 9-positioning block, 10-hinge slot, 11-temple support bottom, 12-second trough, 13-positioning slot, 14-first shaping plate, 15-first cavity slot, 16-bottom plate, 17-support plate, 18-movable plate, 19-thimble, 20-reset rod, 21-elastic piece, 22-heating hole, 23-temperature sensing hole, 24-guide post, 25-guide hole, 26-locking module, 27-locking cavity, 28-first screw, 29-metal leg wire, 30-metal hinge, 31-first positioning rod, 32-second positioning rod, 33-positioning piece, 34-second shaping plate, 35-second cavity slot, and 36-second screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.

As shown in fig. 1, 3 and 5, the injection mold for the glasses legs comprises an upper mold base 1 and a lower mold base 2, wherein an upper mold cavity 3 and a lower mold cavity 4 are respectively and oppositely arranged on the upper mold base 1 and the lower mold base 2, when the upper mold base 1 and the lower mold base 2 are assembled, the upper mold cavity 3 and the lower mold cavity 4 are closed, the glasses legs are formed in a mold cavity formed by closing the upper mold cavity 3 and the lower mold cavity 4, a first runner 5 is arranged on the upper mold base 1, a feeding hole 6 communicated with the first runner 5 is arranged on the upper end surface of the upper mold base 1, the injection molding machine performs injection molding on the mold through the feeding hole 6, the first runner 5 is communicated with the upper mold cavity 3, the second runner 7 is arranged on the lower mold base 2 and is communicated with the first runner 5, the second runner 7 is communicated with the lower mold cavity 4, when the upper mold base 1 and the lower mold base 2 are assembled, the injection molding machine performs injection molding on the mold through the feeding hole, at the upper mold cavity 3 and the lower mold cavity 4 at the moment, the first runner 5 and the second runner 7 enter the upper mold cavity 3 and the lower mold cavity 4, so that the glasses legs are formed in the upper mold cavity and the lower mold cavity 4.

As shown in fig. 1, 2 and 4, a first shape fixing plate 14 and a second shape fixing plate 34 are respectively arranged on the upper die holder 1 and the lower die holder 2, the first shape fixing plate 14 and the upper die holder 1 are fixed through a first screw 28, the second shape fixing plate 34 and the lower die holder 2 are fixed through a second screw 36, a first cavity groove 15 and a second cavity groove 35 are respectively formed in the first shape fixing plate 14 and the second shape fixing plate 34, the first cavity groove 15 is opposite to the upper cavity 3, the second cavity groove 35 is opposite to the lower cavity 4, when the first shape fixing plate 14 and the second shape fixing plate 34 are respectively installed on the upper die holder 1 and the lower die holder 2, the first cavity groove 15 on the upper surface of the first shape fixing plate 14 has the same contour as the upper cavity 3, and the second cavity groove 35 on the lower surface of the second shape fixing plate 34 has the same contour as the lower cavity 4. When polishing and grinding the upper cavity 3 and the lower cavity 4, if the first setting plate 14 and the second setting plate 34 are not arranged, the polishing cutter is easy to damage the upper cavity 3 and the lower cavity 4 of the mold, so that notches appear at corners of the upper cavity 3 and the upper mold base 1, and the lower cavity 4 and the lower mold base 2 on the mold, and the upper cavity 3 and the lower cavity 4 cannot be tightly jointed when the mold is closed, so that an obvious joint line exists in a formed product. When the first shaping plate 14 and the second shaping plate 34 are arranged on the upper die base 1 and the lower die base 2, the upper cavity 3 and the lower cavity 4 of the die can be polished through the first cavity groove 15 and the second cavity groove 35, so that the upper cavity 3 and the lower cavity 4 can not be damaged by a polishing cutter, the upper cavity 3 and the lower cavity 4 can be tightly jointed after die assembly, the joint line of the injection molding rear glasses legs can be narrowed, and the product quality can be improved. After polishing and grinding of the mold are completed, the first shape setting plate 14 can be removed through the first removal screw 28, the second shape setting plate 34 can be removed through the second removal screw 36, and after the first shape setting plate 14 and the second shape setting plate 34 are removed, the mold can be subjected to injection molding.

As shown in fig. 1, 3, 5, 6 and 7, before the mold is injection-molded, the metal temple wire 29 and the metal hinge 30 are placed on the lower cavity 4, so that the metal temple wire 29 and the metal hinge 30 can be injection-molded with the temple at one time after the mold is closed, and the production efficiency is high. In the embodiment, the metal leg wire 29 and the metal hinge 30 are integrated, a first positioning rod 31 is disposed at one end of the metal leg wire 29, a second positioning rod 32 is disposed at one end of the metal hinge 30, and a positioning plate 33 is disposed at the other end of the second positioning rod 32. One end of the lower cavity 4 is provided with a first trough 8, the first trough 8 is used for positioning a metal leg wire 29, a first positioning rod 31 at one end of the metal leg wire 29 is placed in the first trough 8 and is used for positioning the metal leg wire 29, the other end of the lower cavity 4 is provided with a positioning block 9, one side, opposite to the lower cavity 4, of the positioning block 9 is provided with a hinge groove 10, a metal hinge 30 is matched and positioned with the hinge groove 10, a second mirror leg support bottom 11, a second trough 12 and a positioning groove 13 are sequentially arranged on the upper surface of the positioning block 9, the second mirror leg support bottom 11 is arranged in the lower cavity 4 and is used for being matched with the lower cavity 4 for injection molding, the second trough 12 and the positioning groove 13 are communicated, a second positioning rod 32 at one end of the metal hinge 30 is arranged in the second trough 12, a positioning piece 33 at the other end of the second positioning rod 32 is matched with the positioning groove 13, so that the metal leg wire 29 and the metal hinge 30 are completely arranged in the lower cavity 4, the injection molding of the mirror leg can be performed by injection molding, the metal leg wire 29 and the metal hinge 30, and the one-step injection molding can improve the production efficiency.

As shown in fig. 1, 3, and 5, heating holes 22 are respectively provided on the upper die holder 1 and the lower die holder 2, heating parts are provided in the heating holes 22, temperature sensing holes 23 are respectively provided on the upper die holder 1 and the lower die holder 2, sensing devices are provided in the temperature sensing holes 23, the sensing devices are used for detecting the temperatures of the upper die holder 1 and the lower die holder 2, when the upper die holder 1 and the lower die holder 2 are assembled, the heating parts in the heating holes 22 work to heat the upper die holder 1 and the lower die holder 2, so as to ensure that injection molding liquids in the first runner 5 and the second runner 7 can flow, and after the injection molding liquids fill the upper die cavity 3 and the lower die cavity 4 through the first runner 5 and the second runner 7, the heating parts stop working, so that the injection molding liquids in the upper die cavity 3 and the lower die cavity 4 are solidified, and are molded in the upper leg die cavity 3 and the lower die cavity 4.

As shown in fig. 1, a guide pillar 24 is arranged on the upper die holder 1, a guide hole 25 matched with the guide pillar 24 is arranged on the lower die holder 2, so that when the upper die holder 1 and the lower die holder 2 are combined, the guide pillar 24 is inserted into the guide hole 25, the upper die holder 1 and the lower die holder 2 are prevented from being dislocated, the combined die can be more stable, a locking module 26 is arranged on the upper die holder 1, a locking die groove 27 matched with the locking module 26 is arranged on the lower die holder 2, so that when the upper die holder 1 and the lower die holder 2 are combined, the locking module 26 is matched with the locking die groove 27 to lock the die, the upper die holder 1 and the lower die holder 2 are prevented from being dislocated, and the combined die can be more stable.

As shown in fig. 1 and 5, a demolding mechanism is disposed below the lower die holder 2, the demolding mechanism is configured to demold a finished glasses temple, the demolding mechanism includes a bottom plate 16, a supporting plate 17 is disposed between the bottom plate 16 and the lower die holder 2, a movable plate 18 is disposed above the bottom plate 16, the movable plate 18 is driven by an external driving mechanism to move longitudinally between the bottom plate 16 and the lower die holder 2, a thimble 19 is disposed on the lower die holder 2, the thimble 19 is configured to eject a molded product out of a mold, one end of the thimble 19 is disposed on the movable plate 18, the other end of the thimble 19 is disposed in the second runner 7, a reset rod 20 is disposed on the upper die holder 1, the reset rod 20 is configured to reset the ejected thimble 19, the reset rod 20 is disposed on the movable plate 18, an elastic member 21 is disposed on the lower die reset rod 20 between the movable plate 18 and the lower die holder 2, and the elastic member 21 is configured as a spring. When the mold finishes injection molding and the upper mold base 1 and the lower mold base 2 are separated, the external driving mechanism drives the movable plate 18 to move upwards, so that the ejector pins 19 and the reset rods 20 synchronously move upwards, the elastic pieces 21 shrink between the movable plate 18 and the lower mold base 2, the ejector pins 19 are arranged in the second flow passages 7, and therefore when the ejector pins 19 push upwards, the molded glasses legs can be ejected out of the mold and then rebound to reset through the elastic pieces 21, the movable plate 18 resets, the ejector pins 19 and the reset rods 20 synchronously move downwards, and resetting is finished.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and those skilled in the art can make modifications and improvements without departing from the scope of the present invention.

Claims

1. An injection mold for glasses legs comprises an upper mold base (1) and a lower mold base (2), wherein an upper cavity (3) and a lower cavity (4) are respectively and relatively arranged on the upper mold base (1) and the lower mold base (2), a first runner (5) is arranged on the upper mold base (1), a feeding hole (6) communicated with the first runner (5) is formed in the upper end face of the upper mold base (1), a second runner (7) opposite to the first runner (5) is arranged on the lower mold base (2), the first runner (5) is communicated with the upper cavity (3), the second runner (7) is communicated with the lower cavity (4), the injection mold is characterized in that a first trough (8) is arranged at one end of the lower cavity (4), a positioning block (9) is arranged at one side, opposite to the lower cavity (4), a hinge groove (10) is formed in the positioning block (9), a first support bottom (11) and a second trough (12) are arranged at one end of the lower cavity (4), a first positioning block (11) is arranged in the lower cavity (4), a first shaping groove (14) and a second shaping groove (34) and a first shaping groove (14) and a second shaping groove (34) are respectively arranged in the upper die base (14), the cavity groove I (15) and the cavity groove II (35) are opposite to the upper cavity (3) and the lower cavity (4) respectively, and the outlines of the cavity groove I (15) and the cavity groove II (35) are consistent with the outlines of the upper cavity (3) and the lower cavity (4) respectively.

2. The injection mold for the temples of glasses according to claim 1, wherein the positioning block (9) is further provided with a positioning groove (13), and the second trough (12) is communicated with the positioning groove (13).

3. The injection mold for the glasses legs according to claim 1, wherein a demolding mechanism is arranged below the lower die holder (2), the demolding mechanism comprises a bottom plate (16), a supporting plate (17) is arranged between the bottom plate (16) and the lower die holder (2), a movable plate (18) is arranged above the bottom plate (16), ejector pins (19) are arranged on the lower die holder (2), one ends of the ejector pins (19) are arranged on the movable plate (18), and the other ends of the ejector pins (19) are arranged in the second flow channel (7).

4. An injection mold for glasses legs as claimed in claim 3, wherein said upper mold base (1) is provided with a reset rod (20), said reset rod (20) is disposed on said movable plate (18), and an elastic member (21) is disposed on said reset rod (20) between said movable plate (18) and said lower mold base (2).

5. The injection mold for the glasses legs according to claim 1, wherein the upper mold base (1) and the lower mold base (2) are both provided with heating holes (22), and heating parts are arranged in the heating holes (22).

6. The injection mold for the glasses legs according to claim 5, wherein the upper mold base (1) and the lower mold base (2) are both provided with temperature sensing holes (23), and sensing devices are arranged in the temperature sensing holes (23).

7. The injection mold for the glasses legs according to claim 1, wherein a first screw (28) is arranged between the first shaping plate (14) and the upper die holder (1), and a second screw (36) is arranged between the second shaping plate (34) and the lower die holder (2).

8. The injection mold for the glasses legs according to claim 1, wherein the upper mold base (1) is provided with a guide post (24), the lower mold base (2) is provided with a guide hole (25) matched with the guide post (24), the upper mold base (1) is provided with a locking module (26), and the lower mold base (2) is provided with a mold locking groove (27) matched with the locking module (26).