CN214324048U

CN214324048U - Mold insert fixing structure of light guide plate oil cylinder compression mold

Info

Publication number: CN214324048U
Application number: CN202120037357.2U
Authority: CN
Inventors: 廖均韬; 阮绪红; 张晓睿; 徐大良; 程飞
Original assignee: Dongguan Yuanli Electronic Technology Co ltd
Current assignee: Dongguan Yuanli Electronic Technology Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-10-01
Anticipated expiration: 2031-01-07

Abstract

The utility model relates to the technical field of mold, more specifically say, it relates to a mold insert fixed knot of light guide plate hydro-cylinder compression mould constructs, and its technical scheme main points are: including upper die base, die holder and mold insert, the mold insert includes the piece that supports tight, piece together piece and fixed block, and the bottom of upper die base has been seted up and has been supported tight groove, supports tight groove and supplies to the whole embedding of tight piece, supports tight piece and is connected with first connecting piece between the tank bottom of tight groove, and the splice groove has been seted up at the top of die holder, and the splice groove supplies the one end embedding of piecing together the piece, pieces together to be connected with the second connecting piece between piece and the splice groove, and the fixed slot has been seted up at the top of die holder, and the fixed slot supplies the one end embedding of fixed block, is connected with the third connecting piece between fixed block and the fixed slot, the utility model discloses a light guide plate hydro-cylinder compression mould's mold insert fixed knot constructs can improve the inlaid convenience of mold insert.

Description

Mold insert fixing structure of light guide plate oil cylinder compression mold

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to a mold insert fixed knot of light guide plate hydro-cylinder compression mould constructs.

Background

The principle of the light guide plate is that the total reflection of the light of the LED light source is destroyed by using dots (ink dots, hot-pressing dots and injection molding dots), so that the light comes out of the light guide plate, the purpose that an LED line light source is changed into a surface light source is achieved, and a light emitting source is provided for a display.

The light guide plate is usually injection molded, and the injection molding of the light guide plate is to fill a molten molding material into a closed mold in a high pressure manner, so that the light guide plate and the microstructure are simultaneously completed in the injection molding. The oil cylinder compression mold has great advantages in molding and injection molding, and the oil cylinder compression mold compresses a cavity in the mold and extrudes gas during injection molding of the mold, so that a product is formed after injection molding of the mold. In the related art, the mold core of the mold is positioned by adopting open frame type positioning to improve the accuracy of the positioning of the mold core, and therefore, people can inlay various inserts in the mold.

In view of the above-mentioned related art, the inventor believes that there is a need for an insert securing structure that improves the ease of insert installation, thereby facilitating the open-frame positioning of a mold core within a mold.

SUMMERY OF THE UTILITY MODEL

In order to improve the mosaic convenience of mold insert in the mould, this application provides a light guide plate hydro-cylinder compression mould's mold insert fixed knot constructs.

The application provides a pair of mold insert fixed knot of light guide plate hydro-cylinder compression mould constructs adopts following technical scheme:

an insert fixing structure of a compression mold of a light guide plate oil cylinder comprises an upper mold base, a lower mold base and an insert, wherein the insert comprises a butting block, a splicing block and a fixing block;

a pressing groove is formed in the bottom of the upper die base and is used for integrally embedding the pressing block, and a first connecting piece is connected between the pressing block and the bottom of the pressing groove;

the top of the lower die holder is provided with a splicing groove, one end of the splicing block is embedded into the splicing groove, and a second connecting piece is connected between the splicing block and the splicing groove;

the top of the lower die holder is provided with a fixing groove, one end of the fixing block is embedded into the fixing groove, and a third connecting piece is connected between the fixing block and the fixing groove.

Through adopting above-mentioned technical scheme, support tight piece and easily inlay in the upper die base bottom through supporting tight groove and first connecting piece, piece together the piece and easily inlay at the die holder top through splice groove and second connecting piece, the fixed block is easily inlayed at the die holder top through fixed slot and third connecting piece to improve the mosaic convenience of mold insert in the mould.

Preferably, the first connecting piece is a first bolt, the first bolt penetrates through the abutting block and penetrates through the bottom of the abutting groove, the second connecting piece is a second bolt, the second bolt penetrates through the splicing block and penetrates through the bottom of the splicing groove, the third connecting piece is a third bolt, and the third bolt penetrates through the fixing block and penetrates through the bottom of the fixing groove.

Through adopting above-mentioned technical scheme, support tight piece and inlay in supporting behind the groove, first bolt makes to support tight piece and keeps mosaic state steadily, pieces together the piece and inlays in the splice groove back, and the second bolt makes to piece together and keeps mosaic state steadily, and the fixed block is inlayed behind the fixed slot, and the third bolt makes the fixed block keep mosaic state steadily to realize the connection function of first connecting piece, second connecting piece and third connecting piece.

Preferably, the first bolt, the second bolt and the third bolt are vertical countersunk head bolts.

By adopting the technical scheme, the end faces of the abutting blocks, the splicing blocks and the fixing blocks can keep good flatness, so that the die assembly between the upper die base and the lower die base is facilitated.

Preferably, a fastening bolt penetrates through one end, away from the splicing block, of the fixing block, the fastening bolt penetrates through the fixing block, and one end, close to the splicing block, of the fastening bolt is fastened to the splicing block.

Through adopting above-mentioned technical scheme, support the setting of tight bolt and can further fix the piece of piecing together of inlaying in the splice groove to make the piece of piecing together exert its function more steadily.

Preferably, the fastening bolt is a horizontal countersunk bolt.

By adopting the technical scheme, one end of the fixing block, which is far away from the splicing block, can keep better flatness.

Preferably, the abutting groove is a trapezoidal groove, the groove width of the abutting groove gradually expands from the groove bottom to the groove opening, and the abutting block is in a trapezoidal block shape corresponding to the abutting groove.

Through adopting above-mentioned technical scheme, be convenient for to support tight piece embedding to support tight inslot to the inlaying of tight piece of further being convenient for.

Preferably, a lower die cushion block and a base are arranged below the lower die base, the lower die cushion block is arranged at the top of the base, and the lower die base is arranged at the top of the lower die cushion block;

the lower die base comprises a mounting base and a base, and the mounting base is positioned at the top of the base;

the top of lower mould cushion is provided with the guide post, the upper die base with the mount pad all is provided with the uide bushing, the guide post passes simultaneously the upper die base with the uide bushing of mount pad, the guide post with the uide bushing corresponds the setting.

Through adopting above-mentioned technical scheme, the guide post slides the cooperation with the uide bushing to guide the compound die between cope match-plate pattern and the die holder.

Preferably, the lower end part of the guide post is sleeved with a limiting block, and the limiting block is fixed at the top of the lower die cushion block.

Through adopting above-mentioned technical scheme, the stopper can carry out further spacing to the guide post to further improve the compound die stability between upper die base and the die holder.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the abutting block is easily embedded at the bottom of the upper die base through the abutting groove and the first connecting piece, the splicing block is easily embedded at the top of the lower die base through the splicing groove and the second connecting piece, and the fixing block is easily embedded at the top of the lower die base through the fixing groove and the third connecting piece, so that the embedding convenience of the embedding piece in the die is improved;

2. after the abutting block is embedded in the abutting groove, the abutting block is stably kept in an embedded state through the first bolt, after the splicing block is embedded in the splicing groove, the splicing block is stably kept in the embedded state through the second bolt, after the fixing block is embedded in the fixing groove, the fixing block is stably kept in the embedded state through the third bolt, and therefore the connecting function of the first connecting piece, the second connecting piece and the third connecting piece is achieved;

3. the end faces of the abutting blocks, the splicing blocks and the fixing blocks can keep good flatness, so that the die assembly between the upper die base and the lower die base is facilitated.

Drawings

FIG. 1 is a schematic diagram of a forward structure of a compression mold of a light guide plate cylinder in an embodiment of the present application;

FIG. 2 is a schematic side view of a compression mold of a light guide plate cylinder according to an embodiment of the present disclosure;

FIG. 3 is a schematic top view of a base in an embodiment of the present application;

fig. 4 is a schematic view of a partial structure of a compression mold for a light guide plate cylinder in an embodiment of the present application.

Description of reference numerals: 1. molding blanks; 21. an upper die holder; 211. injection molding holes; 212. a hot runner; 213. mounting a mounting groove; 22. an upper die core; 31. a base; 32. a lower die cushion block; 33. a lower die holder; 331. a mounting seat; 332. a base; 333. a lower mounting groove; 34. a lower die core; 4. an oil cylinder; 41. an oil inlet hole of an oil way; 411. an oil inlet channel; 42. an oil outlet hole of the oil way; 421. an oil outlet channel; 51. a propping block; 511. abutting against the groove; 512. a first bolt; 52. splicing; 521. splicing grooves; 522. a second bolt; 53. a fixed block; 531. fixing grooves; 532. a third bolt; 533. tightly abutting against the bolt; 61. a guide post; 62. a guide sleeve; 63. a limiting block; 71. an upper ejector plate; 72. a lower ejector plate; 73. a thimble; 731. a push-out part; 732. a sliding part.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses light guide plate hydro-cylinder compression mould. Referring to fig. 1, the light guide plate cylinder compression mold comprises a mold blank 1 and a cylinder 4, wherein the cylinder 4 is arranged in the mold blank 1, an injection molding hole 211 and a hot runner 212 are formed in the mold blank 1, and a molten molding material is injected into the mold blank 1 through the injection molding hole 211 and the hot runner 212.

Referring to fig. 1, a mold blank 1 includes an upper mold assembly and a lower mold assembly, which are arranged up and down, respectively. The upper mold assembly comprises an upper mold base 21 and an upper mold core 22, the upper mold core 22 is installed at the bottom of the upper mold base 21, in addition, the injection molding hole 211 is specifically formed in the top of the upper mold base 21, the hot runner 212 penetrates through the upper mold base 21 and the upper mold core 22, and the injection molding hole 211 is communicated with the hot runner 212, so that the molten molding material is left at the bottom of the upper mold core 22 through the injection molding hole 211 and the hot runner 212. The lower die assembly comprises a base 31, a lower die cushion block 32, a lower die seat 33 and a lower die core block 34, the lower die cushion block 32 is arranged at the top of the base 31, the lower die seat 33 is arranged at the top of the lower die cushion block 32, the lower die core block 34 is arranged at the top of the lower die seat 33, and the base 31 and the lower die cushion block 32 support the lower die seat 33. The upper mold core 22 faces the lower mold core 34 and forms a cavity, and the shape of the cavity corresponds to the shape of the light guide plate, so that the light guide plate is molded in the cavity between the upper mold core 22 and the lower mold core 34. Hydro-cylinder 4 then sets up in the lower die assembly, and hydro-cylinder 4 controls the compression of die cavity through flexible, and at this moment, through hydro-cylinder 4's control in the forming process, the die cavity in the compression mould simultaneously in the mould and extrude gas to realize hydro-cylinder 4 compression moulding, and at this in-process, because hydro-cylinder 4 sets up inside the mould embryo 1, consequently the difficult condition that causes the jar that explodes, thereby reduce the risk of exploding the jar.

Referring to fig. 1, the lower die holder 33 includes a mounting seat 331 and a base 332, the mounting seat 331 and the base 332 are stacked, specifically, the mounting seat 331 is located on the top of the base 332, and the lower die core 34 is mounted on the top of the mounting seat 331. In addition, the oil cylinder 4 is fixed on the top of the base 31, and the telescopic rod of the oil cylinder 4 passes through the base 332 and then is connected with the mounting seat 331, so that the oil cylinder 4 controls the lower die core 34 by controlling the mounting seat 331, thereby controlling the compression of the die cavity.

Referring to fig. 1, the number of the oil cylinders 4 is multiple, in this embodiment, the number of the oil cylinders 4 is six, six oil cylinders 4 are distributed on the top of the base 31 in a rectangular array, that is, two rows and three columns are formed, and the arrangement of six air cylinders makes the compression of the cavity more stable. Further, the oil cylinder 4 is provided with an oil inlet hole 41 and an oil outlet hole 42, the oil inlet hole 41 and the oil outlet hole 42 are both circular holes, and the number of the oil inlet holes 41 and the oil outlet holes 42 of each oil cylinder 4 is one. Correspondingly, the base 31 has been seted up oil feed passageway 411 and oil outlet passageway 421, oil feed passageway 411 and oil outlet passageway 421 are circular passageway, oil feed passageway 411 and oil circuit inlet port 41 intercommunication, oil outlet passageway 421 and oil circuit outlet port 42 intercommunication, oil feed passageway 411 and oil circuit inlet port 41 are used for the oil feed, oil outlet passageway 421 and oil circuit outlet port 42 are used for producing oil, the oil feed through oil feed passageway 411 and oil circuit inlet port 41 and the oil outlet through oil outlet passageway 421 and the oil outlet port, make hydro-cylinder 4 in the mould embryo 1 realize flexible, control in order to the compression of die cavity.

Referring to fig. 1, the bottom of the upper mold base 21 is provided with an upper mounting groove 213 for mounting the upper mold core 22, the top of the lower mold base 33 is provided with a lower mounting groove 333 for mounting the lower mold core 34, and specifically, the lower mounting groove is provided at the top of the mounting base 331. Inserts are inlaid at the bottom of the upper die base 21 and the top of the lower die base 33, the inserts comprise abutting blocks 51, split blocks 52 and fixing blocks 53, wherein the abutting blocks 51 are inlaid at the top of the upper die base 21, the abutting blocks 51 abut against the upper die core 22, the split blocks 52 are inlaid at the top of the lower die base 33, the split blocks 52 abut against the lower die core 34, at the moment, the abutting blocks 51 abut against the upper die core 22 and the split blocks 52 abut against the lower die core 34, so that frame-opening type positioning is formed in the die, the accuracy of die core positioning is improved, and dislocation of the die core is reduced.

Further, referring to fig. 1, the fixing blocks 53 are embedded in the top of the lower die holder 33, the fixing blocks 53 tightly abut against the split blocks 52, and the stability of the split blocks 52 embedded in the top of the lower die holder 33 is improved by tightly abutting the split blocks 52 through the fixing blocks 53, so that the abutting stability of the split blocks 52 against the lower die core 34 is improved, and the lower die core 34 is positioned more stably. Moreover, a plurality of the split blocks 52 are arranged, the split blocks 52 are arranged around the lower die core 34, the number of the fixing blocks 53 is consistent with that of the split blocks 52, the fixing blocks 53 are respectively abutted against the split blocks 52 in a one-to-one correspondence mode, and the positioning stability of the split blocks 52 and the fixing blocks 53 on the lower die core 34 is further improved by increasing the number of the split blocks 52 and the fixing blocks 53.

Referring to fig. 1, in order to improve the convenience of embedding the insert in the mold, the top of the upper mold base 21 is provided with a tightening groove 511, the tightening groove 511 is used for integrally embedding a tightening block 51, a first connecting piece is connected between the tightening block 51 and the tightening groove 511, and the tightening block 51 is easily embedded in the bottom of the upper mold base 21 through the tightening groove 511 and the first connecting piece. The top of lower die holder 33 has seted up concatenation groove 521, and concatenation groove 521 supplies the one end embedding of piecing 52, is connected with the second connecting piece between piecing 52 and the concatenation groove 521, and piecing 52 is easily inlayed at the lower die holder 33 top through concatenation groove 521 and second connecting piece. Fixed slot 531 has still been seted up at the top of die holder 33, and fixed slot 531 supplies the one end embedding of fixed block 53, is connected with the third connecting piece between fixed block 53 and the fixed slot 531, and fixed block 53 passes through fixed slot 531 and the easy inlaying at die holder 33 top of third connecting piece to improve the mosaic convenience of mold insert in the mould.

Referring to fig. 1, the first connecting member is a first bolt 512, the first bolt 512 penetrates through the abutting block 51 and penetrates through the bottom of the abutting groove 511, and after the abutting block 51 is embedded in the abutting groove 511, the first bolt 512 enables the abutting block 51 to stably maintain an embedded state. The second connector is a second bolt 522, the second bolt 522 penetrates through the tile 52 and is arranged at the bottom of the splicing groove 521, and after the tile 52 is spliced in the splicing groove 521, the second bolt 522 enables the tile 52 to stably maintain a splicing state. The third connecting member is a third bolt 532, the third bolt 532 penetrates through the fixed block 53 and penetrates through the bottom of the fixing groove 531, and after the fixed block 53 is embedded in the fixing groove 531, the third bolt 532 enables the fixed block 53 to stably maintain an embedded state, so that the connecting function of the first connecting member, the second connecting member and the third connecting member is realized. Further, the first bolt 512, the second bolt 522 and the third bolt 532 are vertical countersunk bolts, so that the end faces of the abutting block 51, the split block 52 and the fixing block 53 can keep good flatness, and the upper mold core 22 and the lower mold core 34 between the upper mold base 21 and the lower mold base 33 can be conveniently closed.

Referring to fig. 1, a fastening bolt 533 is inserted into an end of the fixing block 53 away from the tile 52, the fastening bolt 533 penetrates through the fixing block 53, an end of the fastening bolt 533 close to the tile 52 abuts against the tile 52, and the tile 52 embedded in the splicing groove 521 can be further fixed by the fastening bolt 533, so that the tile 52 can more stably exert its function. The abutting bolt 533 is a horizontal countersunk bolt, so that the end of the fixing block 53 away from the segment 52 can keep better flatness.

Referring to fig. 1, the tightening groove 511 is a trapezoidal groove, that is, the vertical cross section of the tightening groove 511 is trapezoidal, the groove width of the tightening groove 511 gradually expands from the groove bottom to the groove opening, the tightening block 51 is in a trapezoidal block shape corresponding to the tightening groove 511, and the shape between the tightening groove 511 and the tightening block 51 is convenient for people to embed the tightening block 51 into the tightening groove 511, so that the tightening block 51 is further convenient to inlay.

Referring to fig. 1, a guide post 61 is arranged at the top of the lower die cushion block 32, the guide post 61 is cylindrical, guide sleeves 62 are arranged on the upper die base 21 and the mounting base 331, the guide sleeves 62 are hollow cylindrical sleeves, the guide post 61 simultaneously penetrates through the guide sleeves 62 of the upper die base 21 and the mounting base 331, and the guide post 61 and the guide sleeve 62 are correspondingly arranged, so that the guide post 61 and the guide sleeve 62 are in sliding fit to guide the closing of the upper die core 22 and the lower die core 34. Further, the lower end part of the guide post 61 is sleeved with a limiting block 63, the limiting block 63 is fixed at the top of the lower die cushion block 32, and the limiting block 63 can further limit the guide post 61, so that the die assembly stability of the upper die core 22 and the lower die core 34 is further improved.

Referring to fig. 1, an upper ejector plate 71 and a lower ejector plate 72 are arranged at the top of a base 31, the lower ejector plate 72 is located on the base 31, the upper ejector plate 71 is located on the lower ejector plate 72, an ejector pin 73 is arranged at the top of the upper ejector plate 71, the ejector pin 73 penetrates through a cavity, and after a workpiece is injection molded, the workpiece is ejected out of the cavity through the movement of the ejector pin 73. Specifically, the ejector pin 73 comprises an ejection part 731 and a sliding part 732, one end of the sliding part 732 is fixedly connected to the upper ejector plate 71, the sliding part 732 slides in the lower die assembly, the ejection part 731 is integrally connected to one end of the sliding part 732 away from the upper ejector plate 71, the ejection part 731 is used for abutting against and ejecting a product in the cavity, when the upper ejector plate 71 vertically moves, the upper ejector plate 71 drives the sliding part 732 to vertically slide, so that the ejection part 731 is driven to eject the product in the cavity, and the ejection process of the ejector pin 73 on the product in the cavity is realized.

The implementation principle of a light guide plate hydro-cylinder compression mould of this application embodiment does: the abutting block 51 is easily embedded in the bottom of the upper die base 21 through abutting the abutting groove 511 and the first connecting piece, the splicing block 52 is easily embedded in the top of the lower die base 33 through the splicing groove 521 and the second connecting piece, and the fixing block 53 is easily embedded in the top of the lower die base 33 through the fixing groove 531 and the third connecting piece, so that the embedding convenience of the insert in the die is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mold insert fixed knot of light guide plate hydro-cylinder compression mould constructs which characterized in that: the die comprises an upper die holder (21), a lower die holder (33) and an insert, wherein the insert comprises a propping block (51), a splicing block (52) and a fixing block (53);

a propping groove (511) is formed in the bottom of the upper die holder (21), the propping groove (511) is used for the propping block (51) to be integrally embedded, and a first connecting piece is connected between the propping block (51) and the bottom of the propping groove (511);

the top of the lower die holder (33) is provided with a splicing groove (521), one end of the splicing block (52) is embedded into the splicing groove (521), and a second connecting piece is connected between the splicing block (52) and the splicing groove (521);

the top of the lower die holder (33) is provided with a fixing groove (531), one end of the fixing block (53) is embedded into the fixing groove (531), and a third connecting piece is connected between the fixing block (53) and the fixing groove (531).

2. The insert fixing structure of the light guide plate cylinder compression mold according to claim 1, characterized in that: the first connecting piece is first bolt (512), first bolt (512) run through support piece (51) and wear to locate support the tank bottom of tight groove (511), the second connecting piece is second bolt (522), second bolt (522) run through piece together (52) and wear to locate the tank bottom of concatenation groove (521), the third connecting piece is third bolt (532), third bolt (532) run through fixed block (53) and wear to locate the tank bottom of fixed slot (531).

3. The insert fixing structure of the light guide plate cylinder compression mold according to claim 2, characterized in that: the first bolt (512), the second bolt (522) and the third bolt (532) are all vertical countersunk head bolts.

4. The insert fixing structure of the light guide plate cylinder compression mold according to claim 1, characterized in that: one end, away from the splicing block (52), of the fixing block (53) is provided with a tightly-abutting bolt (533) in a penetrating mode, the tightly-abutting bolt (533) penetrates through the fixing block (53), and one end, close to the splicing block (52), of the tightly-abutting bolt (533) tightly abuts against the splicing block (52).

5. The insert fixing structure of the light guide plate cylinder compression mold according to claim 4, wherein: the abutting bolt (533) is a horizontal countersunk bolt.

6. The insert fixing structure of the light guide plate cylinder compression mold according to claim 1, characterized in that: the abutting groove (511) is a trapezoidal groove, the groove width of the abutting groove (511) gradually expands from the groove bottom to the groove opening, and the abutting block (51) is in a trapezoidal block shape corresponding to the abutting groove (511).

7. The insert fixing structure of the light guide plate cylinder compression mold according to claim 1, characterized in that: a lower die cushion block (32) and a base (31) are arranged below the lower die seat (33), the lower die cushion block (32) is arranged at the top of the base (31), and the lower die seat (33) is arranged at the top of the lower die cushion block (32);

the lower die holder (33) comprises a mounting seat (331) and a base (332), and the mounting seat (331) is positioned at the top of the base (332);

the top of lower mould cushion (32) is provided with guide post (61), upper die base (21) with mount pad (331) all are provided with uide bushing (62), guide post (61) pass simultaneously upper die base (21) with mount pad (331) uide bushing (62), guide post (61) with uide bushing (62) correspond the setting.

8. The insert fixing structure of the light guide plate cylinder compression mold according to claim 7, wherein: the lower end part of the guide post (61) is sleeved with a limiting block (63), and the limiting block (63) is fixed at the top of the lower die cushion block (32).