CN218019858U

CN218019858U - Long straight shell forming die structure

Info

Publication number: CN218019858U
Application number: CN202222114782.4U
Authority: CN
Inventors: 黎宽
Original assignee: Dongguan Shen An Plastic Mold Co ltd
Current assignee: Dongguan Shen An Plastic Mold Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-12-13
Anticipated expiration: 2032-08-11

Abstract

The utility model relates to a long straight shell forming die structure, which comprises an upper die plate and a lower die plate, wherein a forming box is fixedly arranged at the bottom of the upper die plate, a forming cavity matched with the external shape of a workpiece is formed at the bottom of the forming cavity, a convex die matched with the internal shape of the workpiece is arranged on the lower die plate, the convex die is positioned in the forming cavity during die assembly, a sliding cavity is formed at the bottom of the upper die plate, the forming box is positioned in the sliding cavity, the cavity wall of the sliding cavity is obliquely arranged in the direction far away from the forming cavity, a side forming block is arranged in the cavity wall of the sliding cavity, a convex block is fixedly arranged on one side of the side forming block close to the convex die, and the convex block is used for forming a side opening of the workpiece; the lug and the sliding cavity are matched in a sliding mode, and during demolding, the side forming block moves towards the direction away from the upper template and the male die in the sliding cavity. The workpiece side opening forming device has the advantages that the opening wall of the workpiece side opening is not prone to deformation caused by extrusion, and accordingly the workpiece forming quality is guaranteed.

Description

Long straight shell forming die structure

Technical Field

The application relates to the field of injection molds, in particular to a long straight shell forming mold structure.

Background

There is a long straight shell work piece, one side of work piece is opened and is had the side opening, the side opening communicates in the inner chamber of casing, this kind of work piece is usually made through injection mold shaping, this kind of mould has usually and is used for the open-sided lug of shaping, softened plastic pours into the mould and cools off the back, the work piece goes out shaping outlet side opening at the lug of mould, the lug is pegged graft in the side opening this moment, the in-process of work piece drawing of patterns, the lug of mould and the oral cavity wall of work piece side opening one side take place to interfere the extrusion, the work piece is because of receiving the extrusion deformation this moment, thereby withdraw from the side opening with the lug of mould.

In view of the above-mentioned related art, the inventors believe that the projection interferes with the workpiece during the process of ejecting the projection out of the side opening, so that the opening on the side of the workpiece side opening is easily squeezed, and the workpiece is largely deformed, thereby affecting the forming quality of the workpiece.

Disclosure of Invention

In order to make the lateral opening mouth wall of work piece be difficult for causing the deformation because of interfering to guarantee work piece shaping quality, this application provides a long straight shell forming die structure.

The application provides a long straight shell forming die structure adopts following technical scheme:

a long straight shell forming die structure comprises an upper die plate and a lower die plate, wherein a forming box is fixedly arranged at the bottom of the upper die plate, a forming cavity matched with the external shape of a workpiece is formed in the bottom of the forming box, a male die matched with the internal shape of the workpiece is arranged on the lower die plate, the male die is positioned in the forming cavity during die assembly, a sliding cavity is formed in the bottom of the upper die plate, the forming box is positioned in the sliding cavity, the cavity wall of the sliding cavity is obliquely arranged in the direction far away from the forming box, a side forming block is arranged in the cavity wall of the sliding cavity, a convex block is fixedly arranged on one side, close to the male die, of the side forming block, and the convex block is used for forming a side opening of the workpiece; the lug with the cooperation that slides in the chamber that slides, during the drawing of patterns, the side becomes the piece and moves towards keeping away from in the chamber that slides the cope match-plate pattern motion, and simultaneously towards keeping away from the direction motion of terrace die.

By adopting the technical scheme, when the die is closed, the side forming block, the male die and the forming cavity are surrounded to form a workpiece forming area, the convex block is positioned in the area, and after a forming material enters the area and is cooled and formed, the convex block forms an outlet opening on one side of the workpiece; during the drawing of patterns, cope match-plate pattern and lower bolster separation, the side becomes the piece and slides along the chamber wall that the chamber of sliding has the inclination in the intracavity that slides, and the direction motion of keeping away from the cope match-plate pattern of side becomes the piece promptly and withdraws from work piece side opening, and simultaneously towards the direction motion of keeping away from the terrace die, and the lug does not have relative displacement in the work piece in drawing of patterns direction this moment, so that lug and work piece are difficult for taking place to interfere, and the work piece open-ended mouth wall is difficult to warp because of the lug extrusion, thereby is favorable to guaranteeing the shaping quality of work piece drawing of patterns.

Optionally, the side becomes the piece and keeps away from the spout has been seted up to one side of terrace die, the spout is followed side becomes the piece length direction and extends, the chamber wall in chamber that slides is provided with the sliding strip, the sliding strip with the spout cooperation of sliding, the side becomes the fixed two barrier plates that are provided with of piece, two the barrier plate is located the notch both sides of spout, two the barrier plate is used for restricting side becomes the piece and follows the sliding strip length direction slides.

Through adopting above-mentioned technical scheme, during the drawing of patterns, the setting of sliding strip plays the guide effect of offside shaping piece to make the side shaping piece slide along the length direction of sliding strip, thereby be favorable to promoting the stability of side shaping piece sliding motion.

Optionally, the two blocking plates are fixedly connected to the side forming block through countersunk bolts.

Through adopting above-mentioned technical scheme, the bolt is avoided offside shaping piece motion to lead to the fact the influence in the setting of countersunk head bolt, and stops the board and probably have wearing and tearing after compound die and drawing of patterns repeatedly, and operating personnel can change the board that stops through dismantling the bolt this moment.

Optionally, the side forming block is provided with two side forming blocks, the two side forming blocks are provided with two limiting grooves arranged in parallel with the sliding strip, the upper template is fixedly connected with two limiting blocks, and two ends of the limiting blocks, which are opposite to each other, are respectively located in the two limiting grooves and are in sliding fit with the two limiting grooves.

Through adopting above-mentioned technical scheme, when the side becomes the briquetting and slides, the setting of two stoppers plays the limiting displacement of offside shaping briquetting width direction to further promote the stability of side one-tenth briquetting sliding motion.

Optionally, an elastic part is arranged at the top of the side forming block, and when the die is removed, the elastic part applies thrust to the side forming block.

Through adopting above-mentioned technical scheme, during the drawing of patterns, the setting up of elastic component makes the side shaping piece can be released fast to work efficiency when being favorable to promoting the drawing of patterns.

Optionally, a clamping groove used for limiting the elastic piece is formed in the top of the side forming block.

Through adopting above-mentioned technical scheme, the limiting displacement to the elastic component is played in the setting of draw-in groove to make the elastic component be difficult for changing the position because of pressure, thereby be favorable to promoting the stability of elastic component work.

Optionally, the top of the lower template is fixedly connected with a protection block, and when the die is closed, the bottom of the side forming block is abutted against the top of the protection block.

Through adopting above-mentioned technical scheme, the setting of protection piece plays the guard action to the lower bolster to during the compound die, the lower bolster is difficult because of causing the damage with the collision of side shaping piece, thereby is favorable to guaranteeing the life of mould.

Optionally, a positioning groove is formed in the bottom of the forming box, a positioning block corresponding to the positioning groove is arranged on the male die, and the positioning block is in plug-in fit with the positioning groove during die assembly.

Through adopting above-mentioned technical scheme, during the compound die, the setting of locating piece and constant head tank plays the guide effect to the terrace die to be favorable to promoting the stability of terrace die place position when installing in the shaping chamber, and then be favorable to guaranteeing the shaping quality of work piece.

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

1. during the drawing of patterns, the side becomes the piece and moves towards the direction gliding movement of keeping away from the terrace die when keeping away from cope match-plate pattern direction gliding movement, and when the work piece was kept away from to the side becomes the piece, the side becomes the piece and does not have relative displacement with the work piece in vertical direction to avoid the side opening wall of work piece because of producing the deformation with the extrusion of side becomes the piece, and then be favorable to guaranteeing the shaping quality of work piece drawing of patterns.

2. The setting of slip strip, spout, spacing groove and stopper plays the limiting displacement of offside shaping piece motion to make the movement track of side shaping piece stable, thereby be favorable to promoting the stability of side shaping piece motion.

3. During the compound die, the setting of protection piece plays the effect that blocks of offside shaping piece to make the difficult directness of side shaping piece collide with the lower bolster, thereby be favorable to protecting the lower bolster, and then be favorable to guaranteeing the life of mould.

Drawings

Fig. 1 is an overall structural schematic diagram of a long straight shell molding die structure in an embodiment.

Fig. 2 is a schematic sectional view of a long straight shell molding die structure in an embodiment.

Fig. 3 is a schematic sectional view of another angle of the long straight shell molding die structure in the embodiment.

Fig. 4 is a partially enlarged schematic view of fig. 3.

Description of reference numerals: 1. mounting a template; 11. a sliding cavity; 111. a guide slope; 12. a limiting block; 2. a lower template; 21. a male die; 22. mounting a plate; 221. positioning blocks; 3. forming a box; 31. a molding cavity; 32. a containing groove; 33. positioning a groove; 4. a side forming block; 41. a chute; 42. a blocking plate; 43. a countersunk bolt; 44. a limiting groove; 45. a bump; 46. a card slot; 5. a slide bar; 51. a connecting portion; 52. a sliding part; 6. a protection block; 61. installing a bolt; 7. an elastic member.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses long straight shell forming die structure. Referring to fig. 1 and 2, including cope match-plate pattern 1 and lower bolster 2, the chamber of sliding 11 has been seted up to 1 bottom of cope match-plate pattern, 1 fixedly connected with of cope match-plate pattern becomes case 3, becomes case 3 and is located the chamber of sliding 11.

Referring to fig. 2 and 3, a forming cavity 31 matching with the shape of the workpiece is formed at the bottom of the forming box 3, and in this embodiment, the number of the forming cavities 31 is two, that is, two forming cavities 31 machine-form two workpieces at a time. Storage tank 32 has all been seted up to the both sides of 3 length direction of shaping case, and two storage tanks 32 all communicate in shaping chamber 31, and the both sides of 11 length direction in chamber of sliding are provided with both sides shaping piece 4, and both sides shaping piece 4 all slides the cooperation and the chamber 11 that slides, and during the compound die, both sides shaping piece 4 is located two storage tanks 32.

Four constant head tanks 33 have been seted up to shaping case 3 bottom, four constant head tanks 33 are the rectangle and distribute, lower bolster 2 includes terrace die 21 and fixed connection in lower bolster 2 mounting panel 22 that the inside shape of a work piece suits, terrace die 21 fixed connection is at mounting panel 22 top, mounting panel 22 top an organic whole is connected with the locating piece 221 that corresponds with four constant head tanks 33, during the compound die, each locating piece 221 grafting cooperation is in each constant head tank 33, thereby play the positioning action to terrace die 21 and shaping chamber 31, and then be favorable to guaranteeing the shaping quality of work piece.

Referring to fig. 3 and 4, it has certain angle to slide to be provided with between the both sides that storage tank 32 was seted up to the chamber wall that the chamber 11 was close to cope match-plate pattern 1 length direction both sides and shaping case 3, in this embodiment, the contained angle sets up to 15 degrees, two lateral walls that have the inclination are established to direction inclined plane 111, two equal fixedly connected with of two direction inclined planes 111 slide 5, slide 5 includes connecting portion 51 and sliding portion 52, sliding portion 52 cross-sectional area is greater than connecting portion 51 cross-sectional area, slide 5 cross-section promptly is "T" type, two connecting portion 51 fixed connection are in two direction inclined planes 111, two sliding portion 52 respectively a body coupling in connecting portion 51 keep away from the one end of direction inclined plane 111.

Both sides become one side that piece 4 kept away from mutually and have all seted up spout 41, two spout 41 all run through the setting along two shaping piece length direction, each portion 52 that slides cooperates in each spout 41, each side becomes piece 4 and all passes through two barrier plates 42 of countersunk head bolt 43 fixedly connected with, two sets of baffles are located 41 notch width direction's of spout both sides, two sets of baffles play the effect that blocks of the portion 52 that slides 5 sliding strips, so that two sides become piece 4 and slide along 5 length direction of two sliding strips respectively, thereby be favorable to promoting the stability of the motion of side shaping piece 4.

The arrangement of the countersunk head bolts 43 avoids the influence of the sliding movement of the side forming block 4, and when the die is used to the abrasion which influences the work of the die and is generated by one of the blocking plates 42, an operator can replace the corresponding blocking plate 42 by disassembling the countersunk head bolts 43.

Limiting groove 44 with the 111 parallel arrangement in direction inclined plane that leads is all seted up to the both sides of 4 width direction of both sides shaping piece, four stopper 12 of the equal fixedly connected with in 1 top of cope match-plate pattern, stopper 12 is two liang just to setting up, two just right stopper 12 are located side shaping piece 4 both sides, stopper 12 just right one end is located each limiting groove 44 respectively and slides the cooperation with each limiting groove 44, when 5 length direction glide movement of slip strip is followed to side shaping piece 4, two stopper 12 play the limiting displacement of 4 width direction of offside shaping piece, thereby be favorable to further promoting the stability of the 4 motion of side shaping piece.

Lower bolster 2 has terrace die 21, the homogeneous body in the relative one side of side shaping piece 4 is provided with lug 45, two protection pieces 6 of 2 top fixedly connected with of lower bolster, in this embodiment, terrace die 21 quantity sets up to two, protection piece 6 quantity sets up to two, during the compound die, two terrace dies 21 are located two die cavities 31 that become, and two side shaping pieces 4 are located two storage tanks 32, two die cavities 31 become this moment, two terrace dies 21 and two side shaping pieces 4 enclose out the fashioned region of two work pieces, two lugs 45 are located the fashioned region of work piece and support tightly in two terrace dies 21, so that two work pieces are all shaping out the side opening that suits with lug 45 shape.

During the compound die, the shaping piece 4 in both sides supports tightly in two protection pieces 6 respectively, and the setting of protection piece 6 plays the guard action to lower bolster 2 to avoid the shaping piece 4 in both sides directly to contact with lower bolster 2. Two protection pieces 6 are all installed in lower bolster 2 through a plurality of construction bolts 61, and when protection piece 6 worn and torn seriously, operating personnel can change protection piece 6 through dismantling construction bolts 61.

A plurality of draw-in grooves 46 have all been seted up at both sides shaping piece 4 top, and the interpolation cooperation has elastic component 7 in each draw-in groove 46, and elastic component 7 selects to be the spring in this embodiment, and during the drawing of patterns, each spring applys thrust to both sides shaping piece 4 to make both sides shaping piece 4 break away from the work piece along 5 length direction of slide bar fast, thereby be favorable to promoting the efficiency of work piece drawing of patterns.

The implementation principle of the long straight shell forming die structure of the embodiment of the application is as follows: when the die is closed, the two side forming blocks 4 are positioned in the two accommodating grooves 32, the male die 21 is positioned in the forming cavity 31, the side forming blocks 4, the male die 21 and the forming cavity 31 enclose a workpiece forming space, and the convex block 45 of the side forming block 4 forms an opening on one side of the workpiece.

The work piece is through the cooling shaping of a period of time, when the mould drawing of patterns, operating personnel pulls cope match-plate pattern 1 towards the direction of keeping away from lower bolster 2, drawing terrace die 21 withdraws from in having the shaping chamber 31 this moment, both sides shaping piece 4 slides along the length direction of slide 5 at the effort of spring, both sides shaping piece 4 moves towards keeping away from 1 direction of cope match-plate pattern along two direction inclined planes 111 promptly, move towards the direction of keeping away from terrace die 21 simultaneously, there is not relative displacement in vertical direction both sides shaping piece 4 and two terrace dies 21 this moment, so that the lug 45 of both sides shaping piece 4 is difficult for taking place to interfere with the side opening of work piece, the work piece is difficult for taking place to warp, and then be favorable to guaranteeing the shaping quality of work piece drawing of patterns.

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: equivalent changes in 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 long straight shell forming die structure, includes cope match-plate pattern (1) and lower bolster (2), and fixed being provided with in cope match-plate pattern (1) bottom becomes case (3), become case (3) bottom and seted up work piece external shape assorted one-tenth die cavity (31), lower bolster (2) are provided with in terrace die (21) of the inside shape looks adaptation of work piece, during the compound die, terrace die (21) are located in becoming die cavity (31), its characterized in that: a sliding cavity (11) is formed in the bottom of the upper template (1), the forming box (3) is located in the sliding cavity (11), the cavity wall of the sliding cavity (11) is obliquely arranged in the direction far away from the forming box (3), a side forming block (4) is arranged in the cavity wall of the sliding cavity (11), a convex block (45) is fixedly arranged on one side, close to the convex die (21), of the side forming block (4), and the convex block (45) is used for forming a side opening of a workpiece; the convex block (45) is matched with the sliding cavity (11) in a sliding mode, and during demolding, the side forming block (4) moves towards and away from the upper die plate (1) in the sliding cavity (11) and moves towards and away from the male die (21).

2. The long straight shell molding die structure of claim 1, wherein: keep away from side shaping piece (4) spout (41) have been seted up to one side of terrace die (21), spout (41) are followed side shaping piece (4) length direction extends, the chamber wall in chamber (11) that slides is provided with slide bar (5), slide bar (5) with spout (41) cooperation of sliding, side shaping piece (4) are fixed and are provided with two barrier plates (42), two barrier plates (42) are located the notch both sides of spout (41), two barrier plates (42) are used for restricting side shaping piece (4) and follow slide bar (5) length direction slides.

3. The long straight shell molding die structure of claim 2, wherein: the two blocking plates (42) are fixedly connected to the side forming blocks (4) through countersunk bolts (43).

4. The long straight shell molding die structure of claim 2, wherein: limiting grooves (44) parallel to the sliding strips (5) are formed in the two sides of the side forming block (4), the two limiting blocks (12) are fixedly connected to the upper template (1), and the two ends, opposite to the limiting blocks (12), of the two limiting grooves (44) are located in the two limiting grooves (44) and matched with the two limiting grooves (44) in a sliding mode.

5. The long straight shell molding die structure of claim 2, wherein: an elastic part (7) is arranged at the top of the side forming block (4), and when the die is removed, the elastic part (7) applies thrust to the side forming block (4).

6. The long straight shell molding die structure of claim 1, characterized in that: and the top of the side forming block (4) is provided with a clamping groove (46) for limiting the elastic piece (7).

7. The long straight shell molding die structure of claim 4, wherein: the top of the lower template (2) is fixedly connected with a protection block (6), and when the die is closed, the bottom of the side forming block (4) is abutted to the top of the protection block (6).

8. The long straight shell molding die structure of claim 7, wherein: the bottom of the forming box (3) is provided with a positioning groove (33), the male die (21) is provided with a positioning block (221) corresponding to the positioning groove (33), and the positioning block (221) is in plug-in fit with the positioning groove (33) during die assembly.