CN214496090U - Hot bending die - Google Patents

Abstract

The utility model discloses a hot bending die, which comprises an upper die, a lower die buckled with the upper die, an upper cover plate used for abutting against the upper die and far away from one side of the lower die, and a lower cover plate used for abutting against the lower die and far away from one side of the upper die, wherein the upper die comprises two sliding inserts and an upper die plate with two first mounting holes, the two sliding inserts are respectively arranged on the two first mounting holes in a sliding way, the sliding inserts and the upper die plate are abutted against the upper cover plate, the two sliding inserts and the upper die plate are encircled to form a first cavity, the lower die comprises a lower die plate, the lower die plate is provided with two second mounting holes and a third mounting hole located between the two second mounting holes, the forming boss is mounted on the third mounting hole, the two positioning protrusions are respectively mounted on the two second mounting holes, the positioning protrusions, the forming boss and the lower die plate are abutted against the lower cover plate, and the first cavity and the forming boss enclose a hot bending die cavity. The utility model discloses an inner part is because upper cover plate and lower apron keep out, can not drop when the upset.

Description

Hot bending die

Technical Field

The utility model relates to a mould technical field especially relates to a hot bending die.

Background

In the prior art, a flat glass plate is hot-bent into a curved glass plate with a bent edge, and a hot-bending mold is usually used for hot-bending molding. The existing hot bending die is generally composed of a lower die with a boss and an upper die with a concave cavity, and the concave cavity and the boss are enclosed to form a hot bending die cavity. The mode of adopting the hot bending mould to carry out hot bending on the plate glass plate is as follows: the flat glass plate is placed on the boss, the upper die is buckled on the lower die from the upper side and is pressed against the flat glass plate, then the upper die and the lower die are turned over, and the flat glass plate can be thermally bent into the curved glass plate through heating and pressurizing.

However, in order to better take out a curved glass plate, the existing mold is usually formed by assembling an upper mold and a lower mold through some parts, and when the hot bending mold is turned over, internal parts often fall off, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a hot bending die, which can effectively solve the problem that the internal parts often drop and are inconvenient to use when the existing hot bending die is turned over.

The utility model discloses a following technical scheme realizes:

the utility model provides a hot bending die, which is used for hot bending a plane glass plate into a curved glass plate with an overlarge edge bending angle, and comprises an upper die, a lower die buckled with the upper die, an upper cover plate used for abutting the upper cover plate and a lower cover plate used for abutting the upper cover plate, wherein the upper cover plate is arranged at one side of the lower die, the lower cover plate is arranged at one side of the upper die, the upper die comprises two sliding inserts and an upper die plate with two first mounting holes, the two sliding inserts are respectively and slidably arranged on the two first mounting holes, the sliding inserts and the upper die plate are abutted against the upper cover plate, the two sliding inserts and the upper die plate are enclosed to form a first cavity, the lower die comprises a lower die plate, a forming boss and two positioning bulges, the lower die plate is provided with two second mounting holes and a third mounting hole positioned between the two second mounting holes, the forming boss is mounted on the third mounting hole, the two positioning protrusions are mounted on the two second mounting holes respectively, the positioning protrusions, the forming boss and the lower template are abutted against the lower cover plate, a forming groove is formed in one side, facing the forming boss, of the sliding insert in a penetrating mode along the axial direction of the sliding insert, the forming protrusions matched with the forming groove are correspondingly arranged on the forming boss, and the first cavity and the forming boss enclose a hot bending cavity for hot bending the curved-surface glass plate.

Furthermore, one side of the upper cover plate, which faces the upper die, is concavely provided with a first accommodating cavity, and the upper die is inserted into the first accommodating cavity.

Furthermore, a second accommodating cavity is concavely arranged on one side, facing the lower die, of the lower cover plate, and the lower die is inserted into the second accommodating cavity.

Further, the upper cover plate and the lower cover plate comprise a pressing plate, two first side plates arranged at intervals, two second side plates arranged at intervals and a ventilating structure body used for being connected with an external heat absorption assembly, the first side plates and the second side plates are fixed on one face of the pressing plate and are enclosed with the pressing plate to form a first accommodating cavity or a second accommodating cavity, a second concave cavity is concavely arranged on the other face of the pressing plate, and the ventilating structure body is located in the second concave cavity.

Further, the sliding insert comprises a sealing plate and a first forming block convexly arranged on the sealing plate, the forming groove is formed in the first forming block, the positioning protrusion is provided with a first outer wall surface far away from the lower template, a second outer wall surface opposite to the first outer wall surface, and a first sliding surface facing the forming boss, the first sliding surface is located between the first outer wall surface and the second outer wall surface, one end of the first sliding surface is connected with the lower template, the other end of the first sliding surface is connected with the first outer wall surface, the distance between the two first sliding surfaces gradually decreases from one side close to the first outer wall surface to one side close to the lower template, and a second sliding surface matched with the first sliding surface is correspondingly arranged on the first forming block.

Furthermore, the upper mold plate comprises a top plate, two third side plates respectively vertically arranged at two sides of the top plate, and two fourth side plates respectively vertically arranged at the other two sides of the top plate, the third side plate is connected with the fourth side plates, the top plate and the third side plates are arranged at intervals, and the top plate, the third side plates and the two fourth side plates surround to form the first mounting hole.

Further, a step for supporting the cover plate is arranged on one side, located on the fourth side plate, of the inner side wall of the first mounting hole.

Furthermore, one side of the third side plate, which is close to the lower template, is concavely provided with an avoiding groove for avoiding the positioning protrusion.

Furthermore, the molding boss comprises two second molding blocks and a supporting block arranged between the two second molding blocks, the supporting block is detachably connected with the second molding blocks, and the molding protrusion is arranged on one side, far away from the supporting block, of the second molding blocks.

Furthermore, the lower template is concavely provided with two opposite clamping grooves, one end of each clamping groove is communicated with the third mounting hole, the other end of each clamping groove is communicated with the outer side wall of the lower template, the outer side wall of each supporting block is respectively convexly provided with two convex parts, and the two convex parts are respectively clamped in the two clamping grooves.

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

the utility model discloses a top at last mould sets up the upper cover plate, and the below of lower mould sets up down the apron, and when the curved mould of heat when the upset, the internals can not drop owing to the support of upper cover plate and lower apron, and it is very convenient to use.

Drawings

Fig. 1 is a schematic structural view of a hot bending die according to an embodiment of the present invention;

fig. 2 is an exploded view of a hot bending mold according to an embodiment of the present invention;

fig. 3 is an exploded view of an upper die and a lower die provided in an embodiment of the present invention;

fig. 4 is an exploded view of a forming boss provided in an embodiment of the present invention;

fig. 5 is a schematic structural view of an upper die provided in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an upper template according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a slide insert according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a positioning protrusion provided in an embodiment of the present invention;

fig. 9 is a schematic structural view of a curved glass plate according to an embodiment of the present invention.

In the figure: 10. a curved glass plate; 20. an upper die; 21. sliding the insert; 211. forming a groove; 212. closing the plate; 213. a first molding block; 2131. a second slip plane; 22. mounting a template; 221. a first mounting hole; 222. a top plate; 223. a third side plate; 224. a fourth side plate; 225. a step; 226. an avoidance groove; 23. a first cavity; 30. a lower die; 31. a lower template; 311. a second mounting hole; 312. a third mounting hole; 313. a card slot; 32. forming a boss; 321. a second molding block; 3211. forming a bulge; 322. a support block; 3221. a projection; 33. positioning the projection; 331. a first outer wall surface; 332. a second outer wall surface; 333. a first slip plane; 40. an upper cover plate; 50. a lower cover plate; 51. a second accommodating chamber; 52. pressing a plate; 521. a second cavity; 53. a first side plate; 54. a second side plate; 55. an air permeable structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention. .

Referring to fig. 1 to 9, according to the present invention, a hot bending mold is made of graphene material and is used for hot bending a flat glass plate into a curved glass plate 10 with an excessively large edge bending angle (i.e. an excessively large back-off angle).

Referring to fig. 1, 2, 5 and 7, in the present embodiment, the hot bending mold includes an upper mold 20, a lower mold 30 fastened to the upper mold 20, an upper cover plate 40 abutting against a side of the upper mold 20 away from the lower mold 30, and a lower cover plate 50 abutting against a side of the lower mold 30 away from the upper mold 20, the upper mold 20 includes two slide inserts 21 and an upper mold plate 22 having two first mounting holes 221, the two slide inserts 21 are slidably mounted on the two first mounting holes 221 respectively, in a specific use, the slide inserts 21 can slide in the up-down and left-right directions relative to the upper mold plate 22, the slide inserts 21 and the upper mold plate 22 both abut against the upper cover plate 40, and the two slide inserts 21 and the upper mold plate 22 enclose to form a first cavity 23.

Referring to fig. 3 and 9, the lower mold 30 includes a lower mold plate 31, a forming boss 32 and two positioning protrusions 33, the lower mold plate 31 has two second mounting holes 311 and a third mounting hole 312 located between the two second mounting holes 311, the forming boss 32 is mounted on the third mounting hole 312, the two positioning protrusions 33 are respectively mounted on the two second mounting holes 311, the positioning protrusions 33, the forming boss 32 and the lower mold plate 31 are abutted against the lower cover plate 50, the positioning boss 33 is used for limiting the sliding insert 21 so that the sliding insert 21 horizontally moves towards one side of the forming boss 32 in the downward movement process relative to the upper mold plate 22, a forming groove 211 is axially arranged on one side of the sliding insert 21 facing the forming boss 32 in a penetrating manner, a forming boss 3211 matched with the forming groove 211 is correspondingly arranged on the forming boss 32, and the first cavity 23 and the forming boss 32 enclose a hot bending cavity for the hot bending surface glass plate 10.

In a preferred embodiment, a first receiving cavity is concavely formed on a side of the upper cover plate 40 facing the upper mold 20, the upper mold 20 is inserted into the first receiving cavity, the upper mold 20 is movable in the first receiving cavity, a second receiving cavity 51 is concavely formed on a side of the lower cover plate 50 facing the lower mold 30, the lower mold 30 is inserted into the second receiving cavity 51, and the lower mold 30 is movable in the second receiving cavity 51 to avoid a jamming phenomenon.

In this embodiment, the upper cover plate 40 and the lower cover plate 50 have the same structure, the upper cover plate 40 and the lower cover plate 50 both include a pressing plate 52, two first side plates 53 disposed at intervals, two second side plates 54 disposed at intervals, and an air permeable structure 55 for connecting with an external heat absorption assembly, the first side plates 53 and the second side plates 54 are fixed on one surface of the pressing plate 52 and enclose with the pressing plate 52 to form a first accommodating cavity or a second accommodating cavity 51, a second concave cavity 521 is concavely disposed on the other surface of the pressing plate 52, and the air permeable structure 55 is located in the second concave cavity 521 to reduce the suction force of the external heat absorption assembly on the curved glass plate 10.

Referring to fig. 8, the sliding insert 21 includes a sealing plate 212, a first forming block 213 protruding from the sealing plate 212, a forming groove 211 disposed on the first forming block 213, a positioning protrusion 33 having a first outer wall 331 far away from the lower plate 31, a second outer wall 332 opposite to the first outer wall 331, and a first sliding surface 333 facing the forming boss 32, the first sliding surface 333 being located between the first outer wall 331 and the second outer wall 332, one end of the first sliding surface 333 being connected to the lower plate 31, the other end being connected to the first outer wall 331, a distance between the two first sliding surfaces 333 decreasing gradually from a side near the first outer wall 331 to a side near the lower plate 31, the first forming block 213 having a second sliding surface 2131 corresponding to the first sliding surface 333, the sliding insert 21 sliding along the first sliding surface 333 under the driving action of an external hot-pressing cylinder, thereby enabling the hot-bending mold to hot-bend a curved glass sheet 10 having an excessive edge bending angle.

Referring to fig. 6, the upper mold plate 22 includes a top plate 222, two third side plates 223 vertically disposed on two sides of the top plate 222, and two fourth side plates 224 vertically disposed on the other two sides of the top plate 222, wherein the third side plates 223 are connected to the fourth side plates 224, the top plate 222 and the third side plates 223 are disposed at an interval, and the top plate 222, the third side plates 223 and the two fourth side plates 224 enclose to form the first mounting hole 221.

In a preferred embodiment, the inner side wall of the first mounting hole 221 on one side of the fourth side plate 224 is provided with a step 225 for supporting the cover plate, and the step 225 is close to the top of the second side plate 54 to limit the cover plate from moving downwards; an avoiding groove 226 for avoiding the positioning protrusion 33 is concavely arranged on one side of the third side plate 223 close to the lower die plate 31, so that the overall size of the hot bending die is reduced, and the internal structure of the hot bending die is more compact.

Referring to fig. 4, the molding boss 32 includes two second molding blocks 321 and a supporting block 322 disposed between the two second molding blocks 321, abutting surfaces of the supporting block 322 and the two second molding blocks 321 are inclined surfaces, the supporting block 322 is detachably connected to the second molding blocks 321, and the molding protrusion 3211 is disposed on a side of the second molding blocks 321 away from the supporting block 322, so that when the molding boss 32 is specifically detached, the supporting block 322 can be detached first, and then the two second molding blocks 321 can be detached.

The lower template 31 is concavely provided with two opposite clamping grooves 313, one end of each clamping groove 313 is communicated with the third mounting hole 312, the other end of each clamping groove 313 is communicated with the outer side wall of the lower template 31, the outer side wall of each supporting block 322 is respectively convexly provided with two protruding parts 3221, the two protruding parts 3221 are respectively clamped in the two clamping grooves 313, and the supporting blocks 322 can be conveniently and quickly taken by hands through the two protruding parts 3221.

The application method of the hot bending die in the embodiment is as follows:

the step of hot bending a flat glass sheet into a curved glass sheet 10 is: firstly, a lower die 30 is placed in a lower cover plate 50, then a plane glass plate is placed on a forming boss 32 of the lower die 30, an upper die 20 and an upper cover plate 40 are sequentially assembled, the whole hot bending die is placed in a hot press, and hot pressing is carried out under the action of an inner cylinder of the hot press until a sliding insert 21 descends and abuts against a step 225 of a first mounting hole 221.

The steps of taking the curved glass sheet 10 out of the hot bending mold are as follows: the entire hot bending mold is first turned 180 degrees to make the lower mold 30 face upward, the lower cover plate 50 is taken out first, the molding bosses 32 are removed, the lower mold 30 is taken out, and then the two slide inserts 21 are retreated toward the two sides of the upper mold plate 22, so that the curved glass plate 10 can be taken out.

To sum up, the utility model discloses a top at last mould 20 sets up upper cover plate 40, and the below of lower mould 30 sets up down apron 50, and when the curved mould of heat when the upset, the internals can not drop owing to upper cover plate 40 and lower cover plate 50 support, and it is very convenient to use.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. The utility model provides a hot-bending die for with plane glass board hot-bending be the too big curved surface glass board of edge bending angle, its characterized in that: the hot bending die comprises an upper die, a lower die buckled with the upper die, an upper cover plate used for being abutted against one side of the upper die, which is far away from the lower die, and a lower cover plate used for being abutted against one side of the lower die, which is far away from the upper die, the upper die comprises two sliding inserts and an upper die plate with two first mounting holes, the two sliding inserts are respectively and slidably mounted on the two first mounting holes, the sliding inserts and the upper die plate are abutted against the upper cover plate, the two sliding inserts and the upper die plate are enclosed to form a first cavity, the lower die comprises a lower die plate, a forming boss and two positioning bulges, the lower die plate is provided with two second mounting holes and a third mounting hole positioned between the two second mounting holes, the forming boss is mounted on the third mounting hole, and the two positioning bulges are respectively mounted on the two second mounting holes, the positioning bulge, the forming boss and the lower template are abutted against the lower cover plate, a forming groove penetrates through one side of the sliding insert facing the forming boss along the axial direction of the sliding insert, the forming bulge matched with the forming groove is correspondingly arranged on the forming boss, and the first cavity and the forming boss enclose a hot bending cavity for hot bending the curved glass plate.

2. The hot-bending die of claim 1, wherein: one side of the upper cover plate, which faces the upper die, is concavely provided with a first accommodating cavity, and the upper die is inserted into the first accommodating cavity.

3. The hot-bending die of claim 2, wherein: one side of the lower cover plate, which faces the lower die, is concavely provided with a second accommodating cavity, and the lower die is inserted into the second accommodating cavity.

4. A hot-bending die according to claim 3, wherein: the upper cover plate and the lower cover plate comprise a pressing plate, a first side plate, a second side plate and a breathable structure body, the first side plate and the second side plate are arranged at intervals, the breathable structure body is used for being connected with an external heat absorption assembly, the first side plate and the second side plate are fixed on one surface of the pressing plate and are surrounded with the pressing plate, the first accommodating cavity or the second accommodating cavity is formed in the other surface of the pressing plate in a concave mode, and the breathable structure body is located in the second cavity.

5. The hot-bending die of claim 1, wherein: the sliding insert comprises a sealing plate and a first forming block convexly arranged on the sealing plate, the forming groove is formed in the first forming block, the positioning protrusion is provided with a first outer wall surface far away from the lower template, a second outer wall surface back to the first outer wall surface and a first sliding surface facing the forming boss, the first sliding surface is located between the first outer wall surface and the second outer wall surface, one end of the first sliding surface is connected with the lower template, the other end of the first sliding surface is connected with the first outer wall surface, the distance between the two first sliding surfaces gradually decreases from one side close to the first outer wall surface to one side close to the lower template, and a second sliding surface matched with the first sliding surface is correspondingly arranged on the first forming block.

6. The hot-bending die of claim 1, wherein: the upper template comprises a top plate, two third side plates and two fourth side plates, wherein the two third side plates are respectively and vertically arranged on two sides of the top plate, the two fourth side plates are respectively and vertically arranged on the other two sides of the top plate, the third side plate is connected with the fourth side plates, the top plate and the third side plates are arranged at intervals, and the top plate, the third side plates and the two fourth side plates are surrounded to form the first mounting hole.

7. The hot-bending die of claim 6, wherein: and a step for supporting the cover plate is arranged on one side, located on the fourth side plate, of the inner side wall of the first mounting hole.

8. The hot-bending die of claim 6, wherein: and one side of the third side plate, which is close to the lower template, is concavely provided with an avoiding groove for avoiding the positioning bulge.

9. The hot-bending die of claim 1, wherein: the molding boss comprises two second molding blocks and a supporting block arranged between the two second molding blocks, the supporting block is detachably connected with the second molding blocks, and the molding protrusion is arranged on one side, far away from the supporting block, of the second molding blocks.

10. The hot-bending die of claim 9, wherein: the lower template is concavely provided with two opposite clamping grooves, one end of each clamping groove is communicated with the third mounting hole, the other end of each clamping groove is communicated with the outer side wall of the lower template, the outer side wall of each supporting block is respectively convexly provided with two convex parts, and the two convex parts are respectively clamped in the two clamping grooves.

Images