CN211848640U

CN211848640U - Mould that shaping back-off product surface is moulded to paper does not have joint line

Info

Publication number: CN211848640U
Application number: CN201922468083.8U
Authority: CN
Inventors: 徐昆; 刘福娇; 陈俊忠; 蒋庆胜
Original assignee: Yongfa Henan Moulding Technology Development Co ltd
Current assignee: Yongfa Henan Moulding Technology Development Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-03
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to the technical field of paper-plastic molded products, and discloses a mold without a bonding line on the surface of a paper-plastic molded back-off product, which solves the problem that the bonding line affects the beauty of the prior mold when the paper-plastic molded product is molded, which comprises a bottom plate, the upper end of the bottom plate is connected with a lower die holder through a pillar, the utility model is characterized in that a lower elastic body is arranged on the lower die holder and a lower elastic body is arranged on the upper die holder, when the mold is opened, the upper elastic body is pulled open by the upper sliding block, the lower elastic body is expanded by the lower sliding block, the product can be demolded, when the mold is closed, the upper elastic body is pressed by the upper sliding block to form the product, because the upper elastic body and the lower elastic body are both the appearance surfaces contacting with the product, and the upper elastic body and the lower elastic body have no bonding lines, the surface of the product has no bonding lines, thereby ensuring that the surface of the product is smooth and beautiful.

Description

Mould that shaping back-off product surface is moulded to paper does not have joint line

Technical Field

The utility model belongs to the technical field of the shaping product is moulded to paper, specifically is a shaping back-off product surface is moulded to paper does not have mould of joint line.

Background

The common plastic injection molding inverted buckle product needs an upper mold sliding block and a lower mold sliding block, a combination line can appear when the sliding blocks exist, and the injection molding product generally adopts grinding and polishing combination lines, so that a finished product has no combination line. However, the pulp molded product cannot be subjected to grinding and polishing treatment, but the paper-plastic product still needs to achieve the same perfect appearance as the product packaged by plastic and has no joint line, so that a mold with no joint line on the surface of the paper-plastic molded reverse buckling product needs to be designed.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a shaping back-off product surface is moulded to paper does not have mould of joint line, and the effectual current mould of having solved influences pleasing to the eye problem in joint line when the product shaping is moulded to paper.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mould that shaping back-off product surface is moulded to paper does not have joint line, includes lower die mechanism, lower elastomer, upper die mechanism and goes up the elastomer, and lower die mechanism upper end mid-mounting has lower elastomer, and upper die mechanism lower extreme mid-mounting has last elastomer, goes up the elastomer and corresponds with lower elastomer, goes up the elastomer and forms back-off product shaping chamber down between the elastomer.

Preferably, lower die mechanism includes bottom plate, pillar, die holder, cavity, recess, lower slider, spring, lower kicking block and first cylinder, and the bottom plate upper end is connected with the die holder through the pillar, and the cavity has been seted up at die holder upper end middle part, and cavity inner wall both sides are all seted up flutedly, and the inside sliding connection of recess has the lower slider, and the lower slider passes through the spring to be connected with the recess lateral wall, and the kicking block is down connected to the lower slider lower extreme for the inside sliding connection of cavity, and lower kicking block lower extreme middle part is connected with first cylinder, and first cylinder is located the bottom plate upper.

Preferably, the upper die mechanism comprises a top plate, an upper die base, an L-shaped block, a second cylinder, an inclined ejecting block and an upper sliding block, the upper die base is connected to the middle of the lower end of the top plate, the L-shaped block is installed at the outer end of the upper die base, the second cylinder is installed on one side of the L-shaped block, one end of the second cylinder is connected with the inclined ejecting block relative to the inner portion of the upper die base in a sliding mode, and the lower end of the inclined ejecting block is connected with.

Preferably, the lower elastic body and the upper elastic body are fixed through screws, and the lower elastic body and the upper elastic body are made of silica gel materials.

Preferably, the lower top block is in a table shape, and an inclined plane is arranged on the contact surface of the lower sliding block and the lower top block.

Preferably, the upper elastic body and the lower elastic body are both reversely buckled at an angle of 80 degrees, and the rebound angle of the upper elastic body and the rebound angle of the lower elastic body are 90 degrees.

Preferably, the sliding ends of the inclined ejector block and the upper sliding block are provided with sliding grooves, and the upper sliding block is in sliding connection with the sliding grooves.

Preferably, the pillar is fixedly connected with the bottom plate through a bolt.

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

the utility model discloses, through the lower elastomer that sets up on the lower die base and the upper die base, pull open the elastomer through the top shoe when the mould die sinking, the elastomer expansion will be down to the bottom shoe, the product just can the drawing of patterns, the top shoe is dead just can the shaping play product to last elastomer pressure when the mould compound die, because it all is the outward appearance face that contacts the product with lower elastomer to go up the elastomer, it does not have the joint line with lower elastomer to go up the elastomer, so the product surface just does not have the joint line, thereby make the product surface smooth pleasing to the eye.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the installation structure of the spring of the present invention;

FIG. 4 is a schematic view of the structure of the reverse-buckled product of the present invention

FIG. 5 is a schematic structural diagram of a prior art paper-plastic product with a bonding line;

fig. 6 is a schematic structural view of the elastic body of the present invention in an 80 ° inverted configuration;

FIG. 7 is a schematic structural view of the elastic body rebounding to 90 degrees when the lower die is in the open state according to the present invention;

FIG. 8 is a schematic view of the structure of the present invention for taking out the product;

in the figure: 1. a base plate; 2. a pillar; 3. a lower die holder; 4. a cavity; 5. a groove; 6. a lower slide block; 7. A spring; 8. a lower top block; 9. a first cylinder; 10. a lower elastomer; 11. a top plate; 12. an upper die holder; 13. An L-shaped block; 14. a second cylinder; 15. a slanted ejecting block; 16. an upper slide block; 17. an upper elastic body; 18. a bevel; 19. a lower die mechanism; 20. an upper die mechanism; 21. and (4) reversing the product.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

First embodiment is given by fig. 1-8, the utility model discloses a lower die mechanism 19, lower elastomer 10, last die mechanism 20 and last elastomer 17, and lower die mechanism 19 upper end mid-mounting has lower elastomer 10, and last elastomer 17 is installed to last die mechanism 20 lower extreme mid-mounting, and last elastomer 17 corresponds with lower elastomer 10.

In the second embodiment, on the basis of the first embodiment, the lower mold mechanism 19 includes a bottom plate 1, a pillar 2, a lower mold base 3, a cavity 4, a groove 5, a lower slider 6, a spring 7, a lower top block 8 and a first cylinder 9, the upper end of the bottom plate 1 is connected with the lower mold base 3 through the pillar 2 for supporting and raising the lower mold base 3, the middle part of the upper end of the lower mold base 3 is provided with the cavity 4 for facilitating the lower top block 8 to drive the lower slider 6 to move, the two sides of the inner wall of the cavity 4 are provided with the grooves 5 for facilitating the lower slider 6 to move transversely, the lower slider 6 is slidably connected inside the groove 5 for driving the lower elastic body 10 to expand and demold, the lower slider 6 is connected with the side wall of the groove 5 through the spring 7 for facilitating the restoration under the action of the spring 7, the lower end of the lower slider 6 is slidably connected with the lower top block 8 inside the cavity 4 for the lower slider, for driving the lower top block 8 to move, and a first air cylinder 9 is positioned at the upper end of the bottom plate 1.

Third embodiment, on the basis of first embodiment, upper die mechanism 20 includes roof 11, upper die base 12, L type piece 13, second cylinder 14, oblique kicking block 15 and top shoe 16, roof 11 lower extreme middle part is connected with upper die base 12, L type piece 13 is all installed to upper die base 12 outer end, second cylinder 14 is installed to L type piece 13 one side, second cylinder 14 one end has oblique kicking block 15 for the inside sliding connection of upper die base 12, the sliding connection of oblique kicking block 15 lower extreme has top shoe 16, drive oblique kicking block 15 through second cylinder 14 and move, and then top shoe 16 drives the motion extrusion of elastomer 17 or the drawing of patterns.

Fourth embodiment, on the basis of first embodiment, lower elastomer 10 and last elastomer 17 are all through the screw fixation, and lower elastomer 10 and last elastomer 17 are the silica gel material and make, conveniently install upper elastomer 10 and lower elastomer 17, and the silica gel material has the ductility, makes things convenient for the drawing of patterns.

In the fifth embodiment, on the basis of the second embodiment, the lower top block 8 is in a table shape, and an inclined surface 18 is formed on a contact surface of the lower top block 6 and the lower top block 8, so that the lower top block 8 can drive the lower slide block 6 to move conveniently.

Sixth, based on the first embodiment, the upper elastic body 17 and the lower elastic body 10 are both reversely buckled at 80 °, and the rebound angle of the upper elastic body 17 and the lower elastic body 10 is smaller than 90 °.

Seventh, on the basis of the third embodiment, sliding grooves are formed in the sliding ends of the inclined ejecting block 15 and the upper sliding block 16, and the upper sliding block 16 is slidably connected with the sliding grooves, so that the upper sliding block 16 is slidably connected with the inclined ejecting block 15.

Eighth embodiment, on the basis of second embodiment, pillar 2 passes through bolt and bottom plate 1 fixed connection, conveniently with pillar 2 fixed mounting.

The working principle is as follows: when the device is used, a product preformed by a slurry suction mold is transferred to a hot-pressing lower die holder 3, then the hot-pressing upper die holder 12 is extruded downwards to cover, a second air cylinder 14 on the upper die holder 12 drives an inclined ejector block 15 to extend, so that an upper slide block 16 drives an upper elastic body 17 to close the die, at the moment, a lower slide block 6 on the lower die holder 3 returns to a closed state, then hot-press molding is carried out, then the upper slide block 16 is driven by the second air cylinder 14 to drive the upper elastic body 17 to push open, an upper die is opened, then a lower ejector block 8 is driven by the extension of a first air cylinder 9 to move upwards, so that the lower slide block 6 is extruded by stress to slide along a groove 5, a spring 7 is compressed by stress, the lower slide block 6 drives a lower elastic body 10 to expand outwards, so that the product is ejected out of a back-off position, the product 21 is taken out, then the first air cylinder 9 contracts, thereby facilitating the next repeated action, and the novel product has no bonding line on the surface because the upper elastic body 10 and the lower elastic body 17 are both the appearance surfaces contacting the product and the upper elastic body 10 and the lower elastic body 17 have no bonding line.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a paper moulds shaping back-off product surface and does not have mould of joint line, includes lower mould mechanism (19), lower elastomer (10), last mould mechanism (20) and last elastomer (17), its characterized in that: lower elastomer (10) is installed to lower die mechanism (19) upper end, and last elastomer (17) are installed to last die mechanism (20) lower extreme, go up elastomer (17) and down elastomer (10) and correspond, go up and form back-off product molding cavity between elastomer (17) and the lower elastomer (10).

2. The mold of claim 1, wherein the surface of the paper-plastic molded reverse-buckled product has no joint line, and the mold comprises: lower die mechanism (19) include bottom plate (1), pillar (2), die holder (3), cavity (4), recess (5), lower sliding block (6), spring (7), ejector pad (8) and first cylinder (9) down, bottom plate (1) upper end is connected with die holder (3) through pillar (2), cavity (4) have been seted up at die holder (3) upper end middle part, cavity (4) inner wall both sides are all seted up flutedly (5), recess (5) inside sliding connection has lower slider (6), lower slider (6) are connected with recess (5) lateral wall through spring (7), lower slider (6) lower extreme has lower ejector pad (8) for cavity (4) inside sliding connection, lower ejector pad (8) lower extreme middle part is connected with first cylinder (9), first cylinder (9) are located bottom plate (1) upper end.

3. The mold of claim 1, wherein the surface of the paper-plastic molded reverse-buckled product has no joint line, and the mold comprises: go up mold mechanism (20) including roof (11), upper die base (12), L type piece (13), second cylinder (14), kicking block (15) and top shoe (16) to one side, roof (11) lower extreme middle part is connected with upper die base (12), L type piece (13) are all installed to upper die base (12) outer end, second cylinder (14) are installed to L type piece (13) one side, second cylinder (14) one end has kicking block (15) to one side for upper die base (12) inside sliding connection, kicking block (15) lower extreme sliding connection has top shoe (16) to one side.

4. The mold of claim 1, wherein the surface of the paper-plastic molded reverse-buckled product has no joint line, and the mold comprises: the lower elastic body (10) and the upper elastic body (17) are both made of silica gel materials.

5. The mold of claim 2, wherein the surface of the paper-plastic molded reverse-buckled product has no joint line, and the mold comprises: the lower top block (8) is in a table shape, and an inclined plane (18) is formed on the contact surface of the lower top block (6) and the lower top block (8).

6. The mold of claim 1, wherein the surface of the paper-plastic molded reverse-buckled product has no joint line, and the mold comprises: the upper elastic body (17) and the lower elastic body (10) are both reversely buckled at an angle of 80 degrees, and the rebound angle of the upper elastic body (17) and the lower elastic body (10) is 90 degrees.

7. The mold of claim 3, wherein the surface of the paper-plastic molded reverse-buckled product has no joint line, and the mold comprises: the sliding ends of the inclined ejector block (15) and the upper sliding block (16) are provided with sliding grooves, and the upper sliding block (16) is connected with the sliding grooves in a sliding mode.

8. The mold of claim 2, wherein the surface of the paper-plastic molded reverse-buckled product has no joint line, and the mold comprises: the support column (2) is fixedly connected with the bottom plate (1) through a bolt.