CN113400588A

CN113400588A - Better injection mold of shaping quality

Info

Publication number: CN113400588A
Application number: CN202110791027.7A
Authority: CN
Inventors: 林长春; 张良崇
Original assignee: Shenzhen Taixingyuan Technology Co ltd
Current assignee: Shenzhen Taixingyuan Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-09-17

Abstract

The application relates to an injection mold with good molding quality, which comprises a movable mold and a fixed mold, wherein a core assembly is arranged between the movable mold and the fixed mold, the core assembly comprises an inclined drawing structure and a slide thimble, and the movable mold comprises an upper fixed plate, a water gap plate, a main runner plate and an A template which are sequentially arranged; the fixed die comprises a die plate B, a bearing plate, a partition plate and a lower fixing plate which are sequentially arranged; the ejection direction of the inclined pulling structure forms an angle with the mold stripping direction, and the length direction of the row thimble is parallel to the ejection direction of the inclined pulling structure. This application has and makes the entity button receive spacing of slide thimble be difficult for and then take out the structure to one side and produce the displacement to make the entity button be difficult for being pulled in forming process and produce deformation, the better effect of work piece shaping quality.

Description

Better injection mold of shaping quality

Technical Field

The application relates to the field of molds, in particular to an injection mold with good molding quality.

Background

As shown in fig. 1, the workpiece is a control panel of a washing machine, the control panel is provided with a plurality of solid keys with spring plate structures and a plurality of key mounting holes, and the central line of the key mounting holes forms an included angle with the demolding direction of the control panel in the injection molding process of the control panel.

Aiming at the related technologies, the inventor thinks that when the control panel is formed, the solid key arranged on the spring plate structure is fragile, the solid key is easy to adhere to a forming insert of a mold to cause deformation, and the forming quality of a workpiece is poor.

Disclosure of Invention

In order to improve the problem of the shaping quality in the control panel shaping process, this application provides a better injection mold of shaping quality.

The application provides a better injection mold of shaping quality adopts following technical scheme:

an injection mold with good molding quality comprises a movable mold and a fixed mold, wherein a core assembly is arranged between the movable mold and the fixed mold, the core assembly comprises an inclined drawing structure and a slide thimble, and the movable mold comprises an upper fixing plate, a water gap plate, a main runner plate and an A template which are sequentially arranged; the fixed die comprises a die plate B, a bearing plate, a partition plate and a lower fixing plate which are sequentially arranged; the ejection direction of the inclined pulling structure forms an angle with the mold stripping direction, and the length direction of the row thimble is parallel to the ejection direction of the inclined pulling structure.

Through adopting above-mentioned technical scheme, when making to take out the structure to one side and retreating, take out the structure to one side and keep away from the entity button, the position thimble of going withstands the entity button and is close to control panel's junction this moment for the entity button receives the spacing of position thimble to be difficult for and takes out the structure to one side and produce the displacement, thereby makes the entity button difficult to be pulled in forming process and produces deformation, and work piece shaping quality is better.

Optionally, the structure of taking out to one side includes the position of taking out to one side and with the shovel machine of taking out position sliding connection to one side, the shovel machine is offered and is used for stepping down the spout that the position thimble of going is stepped down, take out the position to one side and offer the line position hole that makes the position thimble of going pass, core subassembly is equipped with and is used for restricting to take out to one side and takes out the gliding ejecting groove of position along ejecting direction and make the spacing groove of shovel machine along the motion of die sinking direction, spacing taking out to one side is located the ejecting inslot.

Through adopting above-mentioned technical scheme, because the length direction of slide thimble is the same with the ejecting direction of oblique position of taking out, nevertheless shovel machine and the in-process of taking out the position relative displacement to one side, shovel machine and the direction of motion of taking out the slide to one side are different, the shovel chance that leads to the motion in-process produces the position with the slide thimble and interferes, the setting of spout for taking out the slide to one side at the displacement in-process, the slide thimble can pass oblique position of taking out and entity button department butt, make the entity button difficult pulled in the forming process produce deformation and take out the slide to one side and the slide thimble is difficult for interfering, work piece shaping quality is better.

Optionally, the shovel machine is fixed on the bearing plate, and the row thimble is fixedly connected with the B template.

Through adopting above-mentioned technical scheme, when the mould die sinking, the staff makes the carrier plate drive the shovel quick-witted motion through the die sinking action of control mould, and the line position thimble is fixed in the B template, and the B template makes the line position thimble fixed, and the line position of taking out is slided along the drawing of patterns direction to one side to the mobility in the shovel quick-witted motion process, makes the entity button difficult quilt in the forming process draw and hinders and produce deformation, and work piece shaping quality is better.

Optionally, the inclined pulling position is provided with a T-shaped projection, and the shovel machine is provided with a T-shaped groove connected with the T-shaped projection in a sliding manner.

Through adopting above-mentioned technical scheme, take out relative slip between position and the shovel machine to one side, T type lug joint is in T type recess, and when the shovel machine followed the carrier plate motion, T type recess pulling T type lug and then drive and take out the position to one side and produce the displacement, realize the drawing of patterns action.

Optionally, the inclined drawing position comprises a forming block and a connecting block, and the forming block is detachably connected with the connecting block.

By adopting the technical scheme, the debugging action of the die can be realized by replacing the forming block or the connecting block by a worker, and the debugging cost is lower.

Optionally, the forming block includes a plurality of key forming portions, and the line position holes are symmetrically arranged and disposed at the key forming portions.

By adopting the technical scheme, the row-position thimbles are symmetrically arranged at the case forming part, and when the die sinking action of the die is realized, the row-position thimbles support the entity keys at the case forming part, so that the entity keys are not easy to be strained to deform in the forming process, and the workpiece forming quality is better.

Optionally, one side of the B template, which is far away from the a template, is fixedly provided with a plurality of stoppers for limiting the row position ejector pins, one side of the stopper, which faces the B template, is coplanar with one side of the a template, which faces the B template, and the stopper is abutted against the row position ejector pins and the abutting surface of the stopper is perpendicular to the length direction of the row position ejector pins.

By adopting the technical scheme, when the row thimble is stressed, the stop block limits the row thimble, the row thimble is convenient to mount, and the stop block and the A template are coplanar, so that the die assembly between the B template and the A template is convenient.

Optionally, the carrier plate is provided with the standing groove towards one side of B template, the one end terminal surface that the shovel machine is close to the carrier plate is outstanding to have the piece of placing, when placing the piece and placing in the standing groove, the shovel machine is close to the terminal surface of carrier plate and the surperficial butt of carrier plate, and the bolt is passed and will shovel the machine and be fixed in on the carrier plate from one side that the B template was kept away from to the carrier plate.

Through adopting above-mentioned technical scheme, because the carrier plate drives the shovel quick-witted motion in-process, the effort of carrier plate to the shovel machine is great, the standing groove and the setting of placing the piece, make the compound die in-process, the shovel machine is towards the terminal surface and the carrier plate butt of carrier plate, the atress is comparatively even, when the die sinking in-process, the bolt pulling shovel quick-witted motion of passing the carrier plate, owing to place the piece and be located the standing groove, the standing groove carries out horizontal spacing to placing the piece, the difficult position skew that takes place among the shovel quick-witted motion process, make the shaping quality comparatively stable.

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

1. when the inclined drawing structure retreats, the inclined drawing structure is far away from the entity key, and the row position thimble props against the connection part of the entity key close to the control panel, so that the entity key is not easy to displace along with the inclined drawing structure due to the limit of the row position thimble, the entity key is not easy to be pulled to deform in the forming process, and the forming quality of a workpiece is better;

2. the row-position thimbles are symmetrically arranged at the case forming part, and when the die opening action of the die is realized, the row-position thimbles support the entity keys at the case forming part, so that the entity keys are not easy to be pulled to deform in the forming process, and the forming quality of workpieces is better;

3. when the row position ejector pins are stressed, the stop blocks limit the row position ejector pins, the row position ejector pins are convenient to install, and the stop blocks and the A template are coplanar, so that the die assembly between the B template and the A template is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the control panel.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 3 is a schematic view of the entire structure of the core package in the embodiment of the present application.

Figure 4 is a schematic cross-sectional view of a core package in an embodiment of the present application.

Fig. 5 is a schematic overall structure diagram of the inclined drawing structure in the embodiment of the present application.

Description of reference numerals: 1. a panel body; 11. a physical key; 21. an upper fixing plate; 22. a water gap plate; 23. a main runner plate; 24. a, template; 31. b, template; 32. a carrier plate; 33. a partition plate; 34. a lower fixing plate; 4. a core assembly; 41. an upper mold core; 42. a lower mold core; 43. an inclined drawing structure; 44. a line position thimble; 51. a through groove; 52. a placement groove; 53. a core groove; 54. ejecting the groove; 55. a limiting groove; 61. obliquely drawing a row bit; 62. shoveling; 621. placing the blocks; 611. forming a block; 612. connecting blocks; 613. a key forming part; 614. a T-shaped bump; 622. a T-shaped groove; 7. a chute; 8. and a stop block.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

As shown in fig. 1, for washing machine's control panel, control panel includes panel body 1, and panel body 1 is provided with a plurality of shell fragment structure's entity button 11 and a plurality of button mounting hole, and the junction between entity button 11 and panel body 1 is comparatively fragile, and during control panel injection moulding process, the central line of button mounting hole is the contained angle with control panel's demolding direction, and entity button 11 is easily in the mould injection moulding process with the shaping mold insert adhesion in the mould.

The embodiment of the application discloses a better injection mold of shaping quality. Referring to fig. 2, the injection mold with good molding quality comprises a movable mold and a fixed mold, wherein the movable mold comprises an upper fixed plate 21, a nozzle plate 22, a main runner plate 23 and an a template 24 which are sequentially arranged from top to bottom; the fixed die comprises a B die plate 31, a bearing plate 32, a partition plate 33 and a lower fixing plate 34 which are sequentially arranged from top to bottom.

As shown in fig. 3, a core assembly 4 for molding the control panel is provided between the movable mold and the fixed mold, the core assembly 4 includes an upper core 41 fixed to the movable mold and a lower core 42 fixed to the lower mold, a space between the upper core 41 and the lower core 42 is used for molding the control panel, and the movable mold and the fixed mold are not shown in the drawing.

As can be seen from fig. 4 and 5, the core assembly 4 further includes an inclined extraction structure 43 and a row position thimble 44, an ejection direction of the inclined extraction structure 43 forms an angle with a mold ejection direction, and a length direction of the row position thimble 44 is parallel to the ejection direction of the inclined extraction structure 43; the B template 31 is provided with a through groove 51 arranged along the mold opening direction, the bearing plate 32 is provided with a placing groove 52 corresponding to the through groove 51 in the direction towards the B template 31, one side of the B template 31 far away from the bearing plate 32 is provided with a core groove 53 for placing the lower core 42, the lower core 42 is provided with an ejection groove 54 and a limiting groove 55 which are arranged at an angle, and the projection of the limiting groove 55 along the mold opening direction is consistent with the projection of the through groove 51 along the mold opening direction.

The inclined pulling structure 43 includes an inclined pulling position 61 and a shovel 62 slidably connected to the inclined pulling position 61, the inclined pulling position 61 is located in the ejecting slot 54 and slides along the inner wall of the ejecting slot 54, and the shovel 62 slides in the limiting slot 55 and the through slot 51 along the mold opening direction. The end face of one end of shovel machine 62 that is close to carrier plate 32 has the outstanding piece 621 of placing, places the piece 621 and is located the standing groove 52, and the end face that shovel machine 62 is close to carrier plate 32 and the surface butt of carrier plate 32, and the bolt is passed from the carrier plate 32 and is fixed in shovel machine 62 on carrier plate 32 in the one side of keeping away from B template 31.

The inclined drawing position 61 comprises a forming block 611 and a connecting block 612, the forming block 611 and the connecting block 612 are detachably connected through bolts, a key forming part 613 for forming the control panel is arranged at one end of the forming block 611 far away from the connecting block 612, and one end of the connecting block 612 far away from the forming block 611 is connected with the shovel machine 62 in a sliding mode; one end of the forming block 611 close to the shovel machine 62 is provided with a T-shaped bump 614, the shovel machine 62 is provided with a T-shaped groove 622, the T-shaped bump 614 slides along the inner wall of the T-shaped groove 622, the T-shaped groove 622 is obliquely arranged, when the shovel machine 62 slides along the die opening direction, the T-shaped groove 622 drives the T-shaped bump 614 to slide, due to the arrangement of the ejection groove 54, when the T-shaped groove 622 drives the T-shaped bump 614 to slide, the oblique extraction position 61 is limited by the inner wall of the ejection groove 54, and the oblique extraction position 61 slides along the die opening direction of the control panel.

The shovel 62 is provided with a sliding slot 7 for abdicating the row thimble 44, the inclined pulling position 61 is provided with a row hole for the row thimble 44 to pass through, the length direction of the row thimble 44 is the same as the ejection direction of the inclined pulling structure 43, and the row holes are symmetrically arranged and arranged at the key forming part 613.

A plurality of stoppers 8 for limiting the row position thimbles 44 are fixedly mounted on one side of the B template 31 far away from the A template 24, one side of each stopper 8 facing the B template 31 is coplanar with one side of the A template 24 facing the B template 31, each stopper 8 is abutted against the row position thimbles 44, the abutting surface of each stopper 8 is perpendicular to the length direction of the row position thimbles 44, and bolts penetrate through the stoppers 8 to fix the stoppers 8 on the A template 24.

The implementation principle of the injection mold with good molding quality is as follows:

after the control panel is formed in the mold, the mold opening action is started, the mold is opened along the vertical direction, firstly, the fastening machine drives the B template 31, the bearing plate 32 at the moment is far away from the B template 31, because the shoveling machine 62 is fixed with the bearing plate 32, the shoveling machine 62 moves along the bearing plate 32, the T-shaped groove 622 at the end part of the shoveling machine 62 pulls the inclined extraction position 61 to move, because the ejection groove 54 and the through groove 51 are arranged, the shoveling machine 62 drives the inclined extraction position 61 to move, the T-shaped groove 622 and the T-shaped bump 614 which are arranged obliquely are arranged, so that the shoveling machine 62 drives the inclined extraction position 61 to move along the ejection direction of the control panel in the vertical movement process, the movement directions of the shoveling machine 62 and the inclined extraction position 61 form an angle, because of the chute 7, in the movement process of the inclined extraction position 61, the row position thimble 44 moves relative to the inclined extraction position 61, the row position thimble 44 is fixed on the B template 31 when the inclined extraction position 61 moves away from the entity key 11 of the control panel, the row position thimble 44 is fixed, and the positioning thimble supports the joint of the entity key 11 and the control panel body 1, so that the entity key 11 is not easy to be pulled to deform in the forming process, and the forming quality of the control panel is better.

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 better injection mold of shaping quality which characterized in that: the core assembly (4) is arranged between the movable die and the fixed die, the core assembly (4) comprises an inclined pumping structure (43) and a slide thimble (44), and the movable die comprises an upper fixing plate (21), a water gap plate (22), a main runner plate (23) and an A template (24) which are sequentially arranged; the fixed die comprises a template B (31), a bearing plate (32), a partition plate (33) and a lower fixing plate (34) which are sequentially arranged; the ejection direction of the inclined pulling structure (43) forms an angle with the mold stripping direction, and the length direction of the row thimble (44) is parallel to the ejection direction of the inclined pulling structure (43).

2. The injection mold with better molding quality according to claim 1, characterized in that: draw structure (43) to one side including drawing position (61) and shovel machine (62) with drawing position (61) sliding connection to one side, shovel machine (62) offer be used for carrying out the spout (7) of stepping down to line position thimble (44), draw position (61) to one side and offer the line position hole that makes line position thimble (44) pass, core subassembly (4) are equipped with and are used for restricting to draw position (61) to one side along ejecting direction gliding ejecting groove (54) and make shovel machine (62) along spacing groove (55) of die sinking direction motion, spacing drawing to one side is located ejecting groove (54).

3. The injection mold with better molding quality according to claim 2, characterized in that: the shovel machine (62) is fixed on the bearing plate (32), and the row thimble (44) is fixedly connected with the B template (31).

4. The injection mold with better molding quality according to claim 2, characterized in that: the inclined pulling position (61) is provided with a T-shaped bump (614), and the shovel machine (62) is provided with a T-shaped groove (622) connected with the T-shaped bump (614) in a sliding mode.

5. The injection mold with better molding quality according to claim 2, characterized in that: the inclined drawing position (61) comprises a forming block (611) and a connecting block (612), and the forming block (611) is detachably connected with the connecting block (612).

6. The injection mold with better molding quality according to claim 5, characterized in that: the forming block (611) comprises a plurality of key forming parts (613), and the line position holes are symmetrically arranged and arranged at the key forming parts (613).

7. The injection mold with better molding quality according to claim 3, characterized in that: one side that A template (24) was kept away from in B template (31) is fixed mounting have a plurality of stopper (8) that are used for spacing to going position thimble (44), one side that stopper (8) are towards B template (31) and one side coplane that A template (24) are towards B template (31), stopper (8) and row position thimble (44) butt and the length direction of butt face and going position thimble (44) are perpendicular.

8. The injection mold with better molding quality according to claim 7, characterized in that: one side of carrier plate (32) towards B template (31) is provided with standing groove (52), shovel machine (62) are close to one end terminal surface salient of carrier plate (32) and place piece (621), when placing piece (621) and place in standing groove (52), the terminal surface butt of shovel machine (62) near carrier plate (32) and carrier plate (32), and the bolt is passed and is fixed in shovel machine (62) on carrier plate (32) from one side that B template (31) were kept away from in carrier plate (32).