CN222755959U - A stitching texture tissue box forming mold - Google Patents

Abstract

The utility model discloses a stitched texture tissue box forming mold, comprising an upper mold and a lower mold that are interlocked, the upper mold is provided with a gate piece, the upper mold is provided with an upper mold cavity, the lower mold is provided with a lower mold core, the upper mold cavity and the lower mold core cooperate with each other, the upper mold cavity comprises a movable cavity and an upper mold cavity; the lower mold core comprises a fixed mold core, four side core pulls, the side core pulls are penetrated with oblique guide holes, the upper mold is provided with oblique guide columns that are plugged and matched with the oblique guide holes; the upper mold cavity is provided with an outer convex mold, the upper mold cavity is provided with an annular stitch cavity at the position surrounding the outer convex mold, and the upper mold cavity is symmetrically provided with two first stitch cavities, and the side core pulls corresponding to the position of the first stitch cavity are provided with a second stitch cavity. The utility model discloses a stitched texture tissue box forming mold, which prevents the formed box body from sticking to the mold during the demoulding process, does not pull and damage the gap texture on the box body, and ensures the product molding accuracy.

Description

Suture texture tissue box forming die

Technical Field

The utility model relates to the technical field of injection molds, in particular to a suture texture tissue box forming mold.

Background

At present, most of the conventional injection molding storage boxes for tissue boxes are common plastic products and are used for storing tissues, and the tissue boxes are usually provided with patterns so as to decorate the indoor space. The tissue box shown in fig. 1 comprises a box body 19, wherein a tissue extraction opening 1901 is formed in the top of the box body 19, and a second suture texture 1902 and a second suture texture 1903 are respectively formed on the part, surrounding the tissue extraction opening 1901, of the top of the box body 19 and the outer wall of the part.

In the production process of the tissue box, a forming die is needed, specifically, heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidifying. When the tissue box is manufactured by the injection mold, the formed box body is easy to be adhered in the mold during demolding sometimes because the slit texture of the box body is complex, so that the slit texture on the box body is easy to damage in the demolding and taking out process of the box body, and the quality of a product is influenced.

Disclosure of utility model

The utility model aims to solve the defects of the technology, and provides a suture texture tissue box forming die which is designed to prevent formed box bodies from being stuck in the die in the demolding process, prevent slit textures on the box bodies from being damaged by pulling and ensure the product forming precision.

In order to solve the technical problems, the technical scheme of the utility model is that the suture texture tissue box forming die comprises an upper die and a lower die which are mutually buckled, wherein the upper die is provided with a pouring gate piece, the upper die is provided with an upper die cavity, the lower die is provided with a lower die core, the upper die cavity is mutually matched with the lower die core, and the upper die cavity comprises a movable cavity and an upper die cavity;

The lower mold core comprises a fixed mold core fixedly arranged on the lower mold and four side core-pulling cores which are circumferentially arranged around the fixed mold core and slidingly connected to the lower mold in a linear direction, the movable cavity is used for each side core-pulling core to move, an elastic reset piece is arranged between the side core-pulling core and the fixed mold core, so that the side core-pulling core has a tendency of translating close to a travel stop block 501, an inclined guide hole is penetrated through the side core-pulling core, and an inclined guide pillar which is in plug-in fit with the inclined guide hole is arranged on the upper mold;

Each side loose core and the cover half core are mutually matched to form a first forming cavity, the cover half core and the upper forming cavity are matched to form a second forming cavity, the first forming cavity and the second forming cavity are matched to form a box body, the upper forming cavity is provided with a convex mold for forming a paper extraction port, the convex mold is provided with an injection molding channel communicated with a pouring gate piece, an annular suture cavity for forming a second suture texture is arranged on the position, surrounding the outer convex mold, of the upper mold cavity, two first suture cavities are symmetrically arranged on the upper mold cavity, a second suture cavity is arranged on the side loose core corresponding to the position of the first suture cavity, and the second suture cavity are matched to form the second suture texture.

Preferably, the lower die is provided with a chute, the bottom of the side core pulling is provided with a travel plate, and the travel plate is connected in the corresponding chute in a sliding manner.

Preferably, the top surface of the lower die is embedded with a pressing strip at positions corresponding to two sides of the chute, the side wall of the pressing strip is matched with the inner side wall of the chute close to the pressing strip to form a step cavity, and the travel plate is matched with the step cavity in a concave-convex mode.

Preferably, a butt joint ring is sleeved at the bottom of the fixed die core, a positioning groove for the butt joint ring to be inserted is formed in the lower die, a butt joint part is arranged on the side wall of the side core pulling close to the fixed die core, and the part of the butt joint ring extending out of the positioning groove is in concave-convex fit with each butt joint part.

Preferably, the bottom of the lower die is provided with a mounting plate and cooling channels arranged in the mounting plate, and the outer male die, the fixed die core and the butt joint ring are all provided with first cooling pipes in the inner part, and the cooling channels are communicated with the first cooling channels.

Preferably, the second cooling pipes are arranged in the side core pulling device, and the input ends and the output ends of the second cooling pipes are uniformly distributed on the outer wall of the travel plate.

Preferably, a plurality of guide posts are arranged around the lower die, a plurality of first guide sleeves are arranged around the upper die, each guide post corresponds to each first guide sleeve, and the guide posts are in plug-in fit with the corresponding first guide sleeves.

Preferably, the lower mould with the cooperation is cup jointed to the bottom of cover half core, the mounting panel has offered the confession cover half core fixed mounting's mounting groove, the below department of lower mould is provided with the base, the base with symmetry is provided with two square irons between the lower mould, two slide between the square iron and be connected with the liftout board, the base link up have with the operation hole that the liftout board corresponds, be provided with the buffer column around the liftout board, the mounting panel link up and have the confession the movable hole that the buffer column passed, the buffer column stretches out the tip of movable hole with lower mould fixed connection, the buffer column is provided with the elastic component, the both ends of elastic component respectively the butt in on the opposite side of mounting panel with the liftout board.

Preferably, the bottom of the guide post is fixedly connected with the mounting plate, and the lower die is provided with a second guide sleeve for the guide post to be in plug-in fit.

Preferably, a plurality of support columns are fixedly connected to the base and are arranged along a straight line, the top surface of each support column is in contact with the bottom surface of the mounting plate, the material ejection plate is penetrated with a jack for inserting the support column, and two limit columns are symmetrically arranged on the material ejection plate at positions close to the support columns.

Compared with the prior art, the utility model has the beneficial effects that:

According to the suture texture tissue box forming die, in the die assembly process of the upper die and the lower die, through the matching of the inclined guide posts and the inclined guide holes corresponding to the inclined guide posts, the upper die is used for linking each side core pulling to overcome the elastic reset piece and horizontally and inwards synchronously approach the fixed die core to form the first forming cavity, until the upper die and the lower die are matched, the fixed die core is matched with the upper die cavity to form the second forming cavity, the first forming cavity is matched with the second forming cavity to form the box body, the outer convex die is used for forming the tissue extraction port, the annular suture cavity is used for forming the second suture texture, the first suture cavity is matched with the corresponding second suture cavity to form the second suture texture, after the suture texture tissue box is formed, when the upper die and the lower die are separated to be demolded, each side core pulling is linked horizontally and inwards synchronously away from the fixed die core, so that the demolding of the second suture texture is realized in the demolding process, the formed box body is prevented from being stuck in the die in the demolding process, and the slit texture on the box body is not damaged by pulling, and the product forming precision is ensured.

Drawings

FIG. 1 is a schematic view showing the structure of a tissue box manufactured by the molding die in the embodiment;

FIG. 2 is a schematic structural view of the molding die in the embodiment;

FIG. 3 is a schematic view of the structure of the upper die in the embodiment;

FIG. 4 is a cross-sectional view of the molding die in the embodiment when closed;

FIG. 5 is a cross-sectional view of a first molding cavity and a second molding cavity in an embodiment;

FIG. 6 is a schematic view of the structure of the lower die in the embodiment;

FIG. 7 is a cross-sectional view of the lower mold with the side loose cores removed from the stationary mold core in the embodiment;

FIG. 8 is a schematic diagram of the structure of the core-pulling on each side in the embodiment.

In the drawing, 1, an upper die, 101, a sprue member, 102, an inclined guide post, 103, a first guide sleeve, 2, a lower die, 201, a sliding chute, 202, a pressing strip, 203, a positioning groove, 204, a second guide sleeve, 3, an upper die cavity, 31, a movable cavity, 32, an upper die cavity, 301, a male die, 302, an injection channel, 4, a lower die core, 41, a fixed die core, 42, a side core pulling, 421, an inclined guide hole, 422, a butt joint part, 423, a stroke plate, 5, a supporting guide rail, 501, a stroke stop, 6, an elastic reset member, 7, a butt joint ring, 8, a mounting plate, 801, a cooling channel, 802, a mounting groove, 803, a movable hole, 9, a first cooling pipe, 10, a second cooling pipe, 11, a guide post, 12, a base, 1201, an operating hole, 1202, a support post, 13, square iron, 1301, a top material plate, 1305, a buffer post, 1303, an elastic member, 1304, a jack, a limiting post, 14, a first molding cavity, 15, a second molding cavity, 16, an annular cavity, 17, a second cavity, a first cavity, 18, a cooling channel, 802, a mounting hole, 803, a second thread, a third thread, a 1903, a second thread, and a thread.

Detailed Description

The utility model is further described below by way of examples with reference to the accompanying drawings.

Referring to fig. 1 to 8, a suture texture tissue box forming mold comprises an upper mold 1, a lower mold 2 and a base 12, wherein the base 12 is arranged below the lower mold 2, and two square irons 13 are symmetrically arranged between the base 12 and the lower mold 2 and used for supporting the lower mold 2. The upper die 1 is provided with a pouring gate piece 101, the upper die 1 is provided with an upper die cavity 3, the lower die 2 is provided with a lower die core 4, the upper die cavity 3 is matched with the lower die core 4, the upper die cavity 3 comprises a movable cavity 31 and an upper die cavity 32, the lower die core 4 comprises a fixed die core 41 fixedly arranged on the lower die 2, four side core-pulling cores 42 which are arranged around the fixed die core 41 and slidingly connected to the lower die 2, the lower die 2 is provided with a chute 201, the bottom of the side core-pulling cores 42 is integrally formed with a travel plate 423, the travel plate 423 is slidingly connected to the corresponding chute 201, a pressing strip 202 is embedded in the position, corresponding to the two sides of the chute 201, of the top surface of the lower die 2, the side wall of the pressing strip 202 is matched with the inner side wall of the chute 201 close to form a step cavity, the travel plate 423 is matched with the step cavity in a concave-convex mode, the side core-pulling cores 42 are limited in the chute 201, and the horizontal movement of the side core-pulling cores 42 is more stable.

The lower die 2 is symmetrically provided with two supporting guide rails 5 relative to the position of the side core-pulling 42, the supporting guide rails 5 are provided with travel stop blocks 501, an elastic reset piece 6 is arranged between the side core-pulling 42 and the fixed die core 41, the side core-pulling 42 has a trend of translating close to the travel stop blocks 501, the elastic reset piece 6 is of a spring structure, an inclined guide hole 421 penetrates through a travel plate 423 of the side core-pulling 42, the upper die 1 is provided with an inclined guide pillar 102 which is in plug fit with the inclined guide hole 421, each side core-pulling 42 and the fixed die core 41 are mutually matched to form a first forming cavity 14, the fixed die core 41 and the upper cavity 32 are matched to form a second forming cavity 15, the first forming cavity 14 and the second forming cavity 15 are matched to form a box 19, the upper cavity 32 is provided with an outer convex die 301 for forming an extraction hole 1901, the outer convex die 301 is provided with an injection channel 302 communicated with the pouring piece 101, the upper die 3 is provided with an annular suture cavity 16 for forming a second suture texture 1903 around the outer punch 301, the upper die 3 is symmetrically provided with two first suture cavities 17, the second suture cavities 1903 are correspondingly provided with second suture cavities 18, and the second suture cavities 18 are matched with the second suture cavities 18 corresponding to the positions of the first cavity 17.

A plurality of guide posts 11 are arranged around the lower die 2, a plurality of first guide sleeves 103 are arranged around the upper die 1, each guide post 11 corresponds to each first guide sleeve 103, and the guide posts 11 are in plug fit with the corresponding first guide sleeves 103, so that the upper die 1 and the lower die 2 are mutually buckled in an aligned mode.

In the process of closing the upper die 1 and the lower die 2, the movable cavity 31 accommodates the side core-pulling cores 42 and allows the side core-pulling cores 42 to move, through the cooperation of the inclined guide posts 102 and the corresponding inclined guide holes 421, the side core-pulling cores 42 can be linked to overcome the elastic reset piece 6 and horizontally and inwards synchronously approach the fixed die core 41 to form the first forming cavity 14, until the upper die 1 and the lower die 2 are closed, the fixed die core 41 cooperates with the upper die cavity 32 to form the second forming cavity 15, the first forming cavity 14 cooperates with the second forming cavity 15 to form the box body 19, the outer convex die 301 is used for forming the paper extraction port 1901, the annular suture cavity 16 is used for forming the second suture texture 1903, and the first suture cavity 17 cooperates with the corresponding second suture cavity 18 to form the second suture texture 1903.

After the suture texture tissue box is molded, when the upper mold 1 and the lower mold 2 are separated for demolding, each upper mold 1 is linked, each side core-pulling 42 is horizontally and inwards synchronously far away from the fixed mold core 41, the elastic reset piece 6 is restored to deform to assist the corresponding side core-pulling 42 to outwards translate along the supporting guide rail 5, so that the demolding of the second suture texture 1903 is realized in the demolding process of the second suture texture 1903, the molded box 19 is prevented from being stuck in the mold in the demolding process, the slit texture on the box 19 is not damaged by strain, and the product molding precision is ensured.

When the stroke plate 423 of the side core back 42 collides with the stroke stopper 501 of the support rail 5, the stroke stopper 501 prevents the side core back 42 from continuing to move horizontally outward, and prevents the side core back 42 from being separated from the lower die 2, at this time, the demolding operation of the outer wall portion of the case 19 is completed.

The bottom of the fixed mold core 41 is sleeved with a butt joint ring 7, the lower mold 2 is provided with a positioning groove 203 for inserting the butt joint ring 7, the side wall of the side core-pulling 42, which is close to the fixed mold core 41, is provided with a butt joint part 422, preferably, the butt joint part 422 is of a groove structure, and the part of the butt joint ring 7, which extends out of the positioning groove 203, is matched with each butt joint part 422 in a concave-convex manner, so that the alignment of each side core-pulling 42 and the fixed mold core 41 is accurate.

The bottom of lower mould 2 is provided with mounting panel 8, sets up in the inside cooling channel 801 of mounting panel 8, and mounting panel 8 has seted up the mounting groove 802 that supplies cover half core 41 fixed mounting, and first cooling tube 9 has all been arranged to the inside of evagination mould 301, cover half core 41, docking collar 7, and cooling channel 801 communicates with each first cooling channel 801 for the inner wall of cooling shaping box 19. The second cooling pipe 10 is arranged in the side core-pulling 42, and the input end and the output end of the second cooling pipe 10 are uniformly distributed on the outer wall of the travel plate 423 and used for cooling the outer wall of the forming box 19.

A material ejection plate 1301 is connected between the two square irons 13 in a sliding manner, an operation hole 1201 corresponding to the material ejection plate 1301 is formed in the penetrating manner of the base 12, a buffer column 1302 is arranged around the material ejection plate 1301, a movable hole 803 for the buffer column 1302 to penetrate is formed in the penetrating manner of the mounting plate 8, the end portion of the buffer column 1302 extending out of the movable hole 803 is fixedly connected with the lower die 2, an elastic element 1303 is arranged on the buffer column 1302, two ends of the elastic element 1303 are respectively abutted to the mounting plate 8 and opposite sides of the material ejection plate 1301, preferably, the elastic element 1303 is of a spring structure, the elastic element 1303 is sleeved on the buffer column 1302, and an inner groove for accommodating the elastic element 1303 is formed in the inner wall of the movable hole 803. Under the action of the resilient element 1303, the pusher plate has a tendency to move away from the mounting plate 8.

The lower die 2 is in sleeve joint fit with the bottom of the fixed die core 41, the mounting plate 8 is provided with a mounting groove 802 for fixedly mounting the fixed die core 41, the bottom end of the guide post 11 is fixedly connected with the mounting plate 8, and the lower die 2 is provided with a second guide sleeve 204 for the guide post 11 to be in plug joint fit. When the pushing plate overcomes the defect that each elastic element 1303 is close to the mounting plate 8, each buffer column 1302 extends out of the movable hole 803 to eject the lower die 2 to separate the lower die 2 from the mounting plate 8, and the lower die 2 drives the docking ring 7 to move upwards relative to the fixed die core 41 so as to eject the formed box 19 from the fixed die core 41, thereby completing the whole demoulding operation of the box 19.

A plurality of support columns 1202 which are arranged along a straight line are fixedly connected on the base 12, the top surface of each support column 1202 is in contact with the bottom surface of the mounting plate 8, and the jacking plate 1301 is penetrated with a jack 1304 for plugging the support column 1202 and is used for guiding the jacking plate 1301 to slide up and down. Two limit columns 1305 are symmetrically arranged on the position, close to the support column 1202, of the material ejection plate 1301 and are used for limiting the material ejection stroke of the material ejection plate 1301.

Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.

Claims (10)

1. The suture texture tissue box forming die comprises an upper die (1) and a lower die (2) which are buckled with each other, wherein the upper die (1) is provided with a pouring gate piece (101), and is characterized in that the upper die (1) is provided with an upper die cavity (3), the lower die (2) is provided with a lower die core (4), the upper die cavity (3) is matched with the lower die core (4), and the upper die cavity (3) comprises a movable cavity (31) and an upper die cavity (32);

The lower mold core (4) comprises a fixed mold core (41) fixedly arranged on the lower mold (2), four side core-pulling cores (42) which are circumferentially arranged around the fixed mold core (41) and slidingly connected to the lower mold (2) along a linear direction, the movable cavity (31) is used for enabling each side core-pulling core (42) to move, an elastic reset piece (6) is arranged between the side core-pulling core (42) and the fixed mold core (41), the side core-pulling core (42) has a trend of translating close to a stroke stop block (501), an inclined guide hole (421) is formed in a penetrating mode of the side core-pulling core (42), and an inclined guide pillar (102) in plug-in fit with the inclined guide hole (421) is arranged on the upper mold (1);

Each side loose core (42) and cover half core (41) mutually support and are formed with first shaping die cavity (14), just cover half core (41) with cover half core (32) cooperate and are formed with second shaping die cavity (15), first shaping die cavity (14) are used for shaping box body (19) with second shaping die cavity (15) cooperation, cover half core (32) are provided with outer mould (301) that are used for shaping paper extraction mouth (1901), outer mould (301) have with runner (101) intercommunication injection moulding passageway (302), cover half (3) encircle cover half (301) be provided with on the position of cover half (301) be used for shaping second suture texture (1903) annular suture cavity (16), and on cover half (3) symmetry is provided with two first suture cavities (17), the side loose core (42) that correspond with first suture cavity (17) position are provided with second suture cavity (18), second suture cavity (18) are used for second suture texture (1903) cooperation.

2. The molding die of the suture texture tissue box of claim 1, wherein the lower die (2) is provided with a sliding groove (201), the bottom of the side core pulling piece (42) is provided with a travel plate (423), and the travel plate (423) is slidingly connected in the corresponding sliding groove (201).

3. The molding die for the suture texture tissue box, as set forth in claim 2, is characterized in that a pressing strip (202) is embedded in a position, corresponding to two sides of the sliding groove (201), of the top surface of the lower die (2), the side wall of the pressing strip (202) is matched with the inner side wall of the sliding groove (201) close to the pressing strip to form a step cavity, and the stroke plate (423) is matched with the step cavity in a concave-convex mode.

4. The molding die for the suture texture tissue box, as set forth in claim 2, is characterized in that a butt joint ring (7) is sleeved at the bottom of the fixed die core (41), a positioning groove (203) for inserting the butt joint ring (7) is formed in the lower die (2), a butt joint part (422) is arranged on the side wall, close to the fixed die core (41), of the side core pulling (42), and the part, extending out of the positioning groove (203), of the butt joint ring (7) is in concave-convex fit with each butt joint part (422).

5. The molding die for the suture texture tissue box according to claim 4, wherein a mounting plate (8) and cooling channels (801) are arranged at the bottom of the lower die (2), the outer convex die (301), the fixed die core (41) and the butt joint ring (7) are respectively provided with a first cooling pipe (9), and the cooling channels (801) are communicated with the first cooling channels (801).

6. The suture texture tissue box forming die of claim 5, wherein a second cooling pipe (10) is arranged in the side core pulling (42), and the input end and the output end of the second cooling pipe (10) are uniformly distributed on the outer wall of the travel plate (423).

7. The molding die of the suture texture tissue box according to claim 5, wherein a plurality of guide posts (11) are arranged around the lower die (2), a plurality of first guide sleeves (103) are arranged around the upper die (1), the guide posts (11) respectively correspond to the first guide sleeves (103), and the guide posts (11) are in plug-in fit with the corresponding first guide sleeves (103).

8. The forming die of the suture texture tissue box is characterized in that the lower die (2) is in sleeve joint fit with the bottom of the fixed die core (41), a mounting groove (802) for fixedly mounting the fixed die core (41) is formed in the mounting plate (8), a base (12) is arranged below the lower die (2), two square irons (13) are symmetrically arranged between the base (12) and the lower die (2), a jacking plate (1301) is slidably connected between the two square irons (13), an operation hole (1201) corresponding to the jacking plate (1301) is formed in the base (12) in a penetrating mode, a buffer column (1302) is arranged around the jacking plate (1301), a movable hole (803) for the buffer column (1302) to penetrate through is formed in the mounting plate (8), the end portion, extending out of the movable hole (803), of the buffer column (1302) is fixedly connected with the lower die (2), an elastic element (1303) is arranged between the two opposite sides of the elastic element (803), and the two ends of the elastic element (1303) are abutted against the upper plate (1301) respectively.

9. The suture texture tissue box forming die of claim 8, wherein the bottom end of the guide post (11) is fixedly connected with the mounting plate (8), and the lower die (2) is provided with a second guide sleeve (204) for the guide post (11) to be in plug-in fit.

10. The molding die of the suture texture tissue box of claim 8, wherein a plurality of support columns (1202) are fixedly connected to the base (12) and are arranged along a straight line, the top surface of each support column (1202) is in contact with the bottom surface of the mounting plate (8), the material ejection plate (1301) is penetrated with an insertion hole (1304) for inserting the support column (1202), and two limit columns (1305) are symmetrically arranged on the material ejection plate (1301) at positions close to the support column (1202).