CN213617340U

CN213617340U - Silicon nitride cell-phone backplate forming die

Info

Publication number: CN213617340U
Application number: CN202022537861.7U
Authority: CN
Inventors: 杜建周; 李运平; 郭心语; 张青; 杜凌君
Original assignee: Yancheng Yuxin Ceramic Technology Co ltd
Current assignee: Yancheng Yuxin Ceramic Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-06
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a silicon nitride cell-phone backplate forming die, including base, lower mould main part and last mould main part, the annular piece is installed to one side of base, and the inboard of annular piece has evenly seted up the spacing groove, the inside of base runs through there is first pivot, and first pivot is close to the outside at both ends and all overlaps to establish and be fixed with first awl tooth, the one end that first pivot is close to the annular piece is fixed with an operation section of thick bamboo. This silicon nitride cell-phone backplate forming die, be connected through the meshing of second taper tooth with first taper tooth, thereby when making operating personnel remove the rotation restriction of an operation section of thick bamboo and drive first pivot rotation through rotating an operation section of thick bamboo, thereby the second pivot can rotate along with it and drive first oval extruded article and rotate thereupon and extrude the stopper or remove the extrusion, thereby make the stopper can carry out spacing fixed or remove spacing fixed to second mounting panel and first mounting panel, and convenient for operation, and can assist operating personnel to separate last mould main part.

Description

Silicon nitride cell-phone backplate forming die

Technical Field

The utility model relates to a ceramic plate processing technology field specifically is a silicon nitride cell-phone backplate forming die.

Background

Silicon nitride is one of ceramic materials, and its own hardness is big, has the lubricity, and stand wear and tear, therefore is widely used in a plurality of trades, for example its attribute very agrees with the demand of cell-phone backplate, consequently is used for the preparation material as the cell-phone backplate usually, and silicon nitride cell-phone backplate just needs to use silicon nitride cell-phone backplate forming die when making, and traditional silicon nitride cell-phone backplate forming die can satisfy people's user demand basically, but still has certain problem, and specific problem is as follows:

1. when the existing silicon nitride mobile phone backboard forming die is used, an upper die and a lower die are generally connected and fixed in a more traditional mode, but when the silicon nitride mobile phone backboard forming die is actually used, the dismounting process is troublesome, and the whole working efficiency is further influenced;

2. when the existing silicon nitride mobile phone backboard forming die is used, the upper die and the lower die are generally required to be separated after forming is completed, and then a product is taken out, but in the actual use process, the upper die and the lower die are time-consuming and labor-consuming in a separated mode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a silicon nitride cell-phone backplate forming die to the current silicon nitride cell-phone backplate forming die dismouting that proposes in solving above-mentioned background art is comparatively troublesome, goes up the problem that the lower mould separation is comparatively wasted time and energy.

In order to achieve the above object, the utility model provides a following technical scheme: a silicon nitride mobile phone backboard forming die comprises a base, a lower die main body and an upper die main body, wherein an annular block is installed on one side of the base, a limiting groove is uniformly formed in the inner side of the annular block, a first rotating shaft penetrates through the inside of the base, the outer sides, close to two ends, of the first rotating shaft are fixedly sleeved with first bevel gears, one end, close to the annular block, of the first rotating shaft is fixedly provided with an operating cylinder, a fixed shaft is fixedly arranged at the middle position of the two ends inside the operating cylinder, a gear is sleeved on the outer side of the fixed shaft, a first rack penetrates through one side, far away from the base, of the top inside the operating cylinder, a first spring is connected between the first rack and the operating cylinder, a second rack penetrates through one side, close to the base, of the bottom of the operating cylinder, the second rack extends to the inside of the limiting groove, the lower die main body is installed at the middle position of the top of the base, and first, the top of the lower die main body is provided with an upper die main body, the bottoms of the two sides of the upper die main body are both fixed with second mounting plates, the bottoms of the second mounting plates are provided with through holes, grooves are reserved on both sides of the interior of the through hole, a positioning bin is arranged at the top of the first mounting plate, the positioning bin penetrates through the through hole, a second rotating shaft is arranged at the middle position of the top in the positioning bin through a bearing, the second rotating shaft penetrates through the positioning bin and extends to the inside of the base, a first elliptical extrusion piece is fixedly sleeved on the outer side of the second rotating shaft close to the top end, a second elliptic extrusion piece is arranged on a second rotating shaft below the first elliptic extrusion piece, a second conical tooth is fixed at the bottom end of the second rotating shaft, the top parts of the two sides of the positioning bin are all penetrated with a limiting block, and a second spring is connected between the limiting block and the positioning bin, and a third spring is connected between the pushing block and the positioning bin.

Preferably, the first rack and the operation barrel form a relative sliding structure, and the first rack is in meshed connection with the gear.

Preferably, the second rack and the operating cylinder form a relative sliding structure, and the second rack is in meshed connection with the gear.

Preferably, the second conical teeth are perpendicular to the first conical teeth, and the second conical teeth are in meshed connection with the first conical teeth.

Preferably, the limiting block is tightly attached to the first elliptical extrusion piece, the limiting block and the positioning bin form a relative sliding structure, and the bottom parts of two sides of the positioning bin are all penetrated by the pushing block.

Preferably, the pushing block is tightly attached to the second elliptical extrusion piece, and the pushing block and the positioning bin form a relative sliding structure.

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

1. through the meshing connection of the second bevel gear and the first bevel gear, when an operator releases the rotation restriction of the operation cylinder and drives the first rotating shaft to rotate through rotating the operation cylinder, the second rotating shaft can rotate along with the first rotating shaft and drive the first elliptical extrusion piece to rotate along with the first elliptical extrusion piece so as to extrude or release the extrusion of the limiting block, and further the limiting block can limit or release the limiting fixation of the second mounting plate and the first mounting plate, so that the operation is convenient;

2. be provided with the oval extruded article of second in the second pivot for when the second pivot drives first oval extruded article through rotating and rotates and remove spacing fixed to first mounting panel and second mounting panel, the oval extruded article of second can rotate thereupon and extrude the ejector pad, makes the ejector pad through the hypotenuse with the slow jack-up of second mounting panel, and then can assist operating personnel to go up the mould main part and separate.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic view of the structure of the present invention;

fig. 5 is a schematic view of the top cross-sectional structure of the positioning bin of the present invention.

In the figure: 1. a base; 2. a ring block; 3. a limiting groove; 4. a first rotating shaft; 5. a first bevel gear; 6. an operation cylinder; 7. a fixed shaft; 8. a gear; 9. a first rack; 10. a first spring; 11. a second rack; 12. a lower die main body; 13. a first mounting plate; 14. an upper die main body; 15. a second mounting plate; 16. a through hole; 17. a groove; 18. positioning the bin; 19. a second rotating shaft; 20. a first elliptical extrusion; 21. a second elliptical extrusion; 22. a second taper tooth; 23. a limiting block; 24. a second spring; 25. pushing the pushing block; 26. and a third spring.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a silicon nitride mobile phone backboard forming die comprises a base 1, a lower die main body 12 and an upper die main body 14, wherein one side of the base 1 is provided with an annular block 2, the inner side of the annular block 2 is uniformly provided with a limiting groove 3, a first rotating shaft 4 penetrates through the base 1, the outer sides of the first rotating shaft 4 close to two ends are all sleeved with and fixed with first bevel gears 5, one end of the first rotating shaft 4 close to the annular block 2 is fixed with an operating cylinder 6, a fixing shaft 7 is fixed at the middle position of two ends inside the operating cylinder 6, the outer side of the fixing shaft 7 is sleeved with a gear 8, one side of the top of the inside of the operating cylinder 6 far away from the base 1 penetrates with a first rack 9, a first spring 10 is connected between the first rack 9 and the operating cylinder 6, one side of the bottom of the operating cylinder 6 close to the base 1 penetrates with a second rack 11, the second rack 11 extends to the inside the limiting groove 3, the first rack 9 and the operating cylinder 6 form a relative, the first rack 9 is meshed with the gear 8, so that an operator can press the first rack 9, and the gear 8 can be driven to rotate along with the first rack 9 when the first rack 9 slides towards the interior of the operation barrel 6, thereby completing subsequent operation;

the second rack 11 and the operation barrel 6 form a relative sliding structure, and the second rack 11 is in meshed connection with the gear 8, so that when the gear 8 is driven to rotate by pressing the first rack 9, the second rack 11 can slide towards the inside of the operation barrel 6 and leave the corresponding limiting groove 3, and the rotation limitation on the operation barrel 6 can be removed;

a lower die main body 12 is arranged in the middle of the top of the base 1, first mounting plates 13 are fixed on the tops of two sides of the lower die main body 12, an upper die main body 14 is arranged on the top of the lower die main body 12, second mounting plates 15 are fixed on the bottoms of two sides of the upper die main body 14, through holes 16 are formed in the bottom of the second mounting plates 15, grooves 17 are reserved on two sides of the inside of each through hole 16, a positioning bin 18 is arranged on the top of each first mounting plate 13, the positioning bin 18 penetrates through each through hole 16, a second rotating shaft 19 is arranged in the middle of the top of the inside of each positioning bin 18 in a bearing mode, the second rotating shaft 19 penetrates through the positioning bin 18 and extends to the inside of the base 1, a first elliptical extrusion piece 20 is fixedly sleeved on the outer side of the second rotating shaft 19 close to the top end, a second elliptical extrusion piece 21 is arranged on the second rotating shaft 19 below the first elliptical extrusion piece 20, the second bevel gear 22 is perpendicular to the first bevel gear 5, and the second bevel gear 22 is meshed with the first bevel gear 5, so that when an operator releases the rotation restriction of the operation barrel 6 and then drives the first rotating shaft 4 to rotate by rotating the operation barrel 6, the second rotating shaft 19 can drive the first elliptical extrusion piece 20 and the second elliptical extrusion piece 21 to rotate;

the top parts of two sides of the positioning bin 18 are all penetrated with a limiting block 23, a second spring 24 is connected between the limiting block 23 and the positioning bin 18, the limiting block 23 is tightly attached to the first elliptical extrusion piece 20, and the limiting block 23 and the positioning bin 18 form a relative sliding structure, so that when the second rotating shaft 19 drives the first elliptical extrusion piece 20 to rotate, and the first elliptical extrusion piece 20 changes the extrusion amplitude of the limiting block 23, the limiting block 23 can slide along with the first elliptical extrusion piece, and the second mounting plate 15 is extruded and limited or the extrusion limitation is released;

the bottom of the two sides of the positioning bin 18 is penetrated with a pushing block 25, a third spring 26 is connected between the pushing block 25 and the positioning bin 18, the third spring 26 is tightly attached to the second elliptical extrusion piece 21, and the third spring 26 and the positioning bin 18 form a relative sliding structure, so that when the second rotating shaft 19 drives the second elliptical extrusion piece 21 to rotate, the second elliptical extrusion piece 21 changes the extrusion amplitude of the pushing block 25, the pushing block 25 can gradually enter the positioning bin 18 to release the pushing of the second mounting plate 15, or slide to the outside of the positioning bin 18 again, the second mounting plate 15 is pushed, and then an operator is assisted to separate the upper die main body 14.

The working principle is as follows: when the silicon nitride mobile phone backboard forming die is used, the upper die main body 14 is placed at the top of the lower die main body 12, the positioning bin 18 is kept to be inserted into the corresponding through hole 16, the first rack 9 is pressed, the first rack 9 can slide towards the inside of the operation barrel 6 through the sliding connection between the first rack 9 and the operation barrel 6 and the elasticity of the first spring 10, the gear 8 can rotate along with the first rack 9 through the meshing connection between the first rack 9 and the gear 8, the second rack 11 can slide towards the inside of the operation barrel 6 through the sliding connection between the second rack 11 and the gear 8 and the sliding connection between the second rack 11 and the operation barrel 6, the second rack 11 leaves the corresponding limiting groove 3, the rotation limitation on the operation barrel 6 is removed, the first rotating shaft 4 is driven to rotate along with the operation barrel 6, and is meshed connection with the first bevel gear 5 through the second bevel gear 22, the second rotating shaft 19 can rotate along with the second rotating shaft, at the moment, the second rotating shaft 19 can drive the second elliptical extrusion piece 21 to rotate along with the second elliptical extrusion piece to gradually remove the extrusion on the ejection block 25, the ejection block 25 can gradually slide to the inside of the positioning bin 18 through the sliding connection between the ejection block 25 and the positioning bin 18 and the elasticity of the third spring 26 to remove the mutual extrusion with the inner wall of the groove 17 on the second mounting plate 15, meanwhile, the first elliptical extrusion piece 20 can rotate along with the first elliptical extrusion piece and gradually extrude the limiting block 23, the limiting block 23 can slide out of the inside of the positioning bin 18 through the sliding connection between the limiting block 23 and the positioning bin 18 and the elasticity of the second spring 24, so that the second mounting plate 15 can be gradually extruded downwards until the second mounting plate 15 and the first mounting plate 13 are completely attached together finally, the limiting block 23 can fully extrude and limit the first mounting plate 13 and the second mounting plate 15, further, the stability between the lower die main body 12 and the upper die main body 14 is ensured, at the moment, the first rack 9 is loosened under the condition that the operation barrel 6 cannot rotate, the first rack 9 slides to the outside of the operation barrel 6 again under the elastic action of the first spring 10, the second rack 11 is driven to slide to the outside of the operation barrel 6 and is inserted into the corresponding limiting groove 3, so that the rotation of the operation barrel 6 is limited again, and the operation is convenient and rapid;

when the installation between the lower die main body 12 and the upper die main body 14 needs to be released, the rotation limitation on the operation cylinder 6 is released by pressing the first rack 9 as described above, the operation cylinder 6 is reversely rotated, so that the first rotating shaft 4 is reversely rotated therewith, and further the second rotating shaft 19 is reversely rotated therewith, at this time, the first elliptical extrusion piece 20 gradually releases the extrusion on the limit piece 23 through rotation, under the elastic action of the second spring 24, the limit piece 23 gradually releases the extrusion limitation on the second mounting plate 15 and the first mounting plate 13, and at the same time, the second elliptical extrusion piece 21 starts to gradually extrude the ejector block 25, so that the ejector block 25 is gradually inserted into the corresponding groove 17, and extrudes the edge of the groove 17 through the bevel edge, and the second mounting plate 15 is extruded upwards, thereby assisting the operator to separate the upper die main body 14 from the lower die main body 12 until the limit piece 23 completely contacts the extrusion limitation on the second mounting plate 15, the upper die body 14 is removed from above the lower die body 12.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a silicon nitride cell-phone backplate forming die, includes base (1), lower mould main part (12) and goes up mould main part (14), its characterized in that: the device comprises a base (1), wherein a ring-shaped block (2) is installed on one side of the base (1), limiting grooves (3) are uniformly formed in the inner side of the ring-shaped block (2), a first rotating shaft (4) penetrates through the base (1), first conical teeth (5) are fixedly sleeved on the outer sides, close to two ends, of the first rotating shaft (4), an operating cylinder (6) is fixedly arranged at one end, close to the ring-shaped block (2), of the first rotating shaft (4), a fixing shaft (7) is fixedly arranged at the middle position of the two ends inside the operating cylinder (6), a gear (8) is sleeved on the outer side of the fixing shaft (7), a first rack (9) penetrates through one side, far away from the base (1), of the top inside of the operating cylinder (6), a first spring (10) is connected between the first rack (9) and the operating cylinder (6), a second rack (11) penetrates through one side, close to the base (1), of the bottom of the, and the second rack (11) extends to the inside of the limiting groove (3), the middle position of the top of the base (1) is provided with a lower die main body (12), the tops of the two sides of the lower die main body (12) are all fixed with a first mounting plate (13), the top of the lower die main body (12) is provided with an upper die main body (14), the bottoms of the two sides of the upper die main body (14) are all fixed with a second mounting plate (15), the bottom of the second mounting plate (15) is provided with a through hole (16), the two sides of the inside of the through hole (16) are all reserved with a groove (17), the top of the first mounting plate (13) is provided with a positioning bin (18), the positioning bin (18) penetrates through the through hole (16), the middle position of the inside top of the positioning bin (18) is provided with a bearing provided with a second rotating shaft (19), and the second rotating shaft (19) penetrates through the positioning bin (18), second pivot (19) are close to the outside cover on top and are established and are fixed with first oval extruded article (20), and install second oval extruded article (21) on second pivot (19) of first oval extruded article (20) below, the bottom mounting of second pivot (19) has second toper tooth (22), stopper (23) have all been run through at the top of location storehouse (18) both sides, and are connected with second spring (24) between stopper (23) and location storehouse (18), and are connected with third spring (26) between ejector pad (25) and the location storehouse (18).

2. The silicon nitride mobile phone backboard forming die of claim 1, wherein: the first rack (9) and the operation barrel (6) form a relative sliding structure, and the first rack (9) is in meshed connection with the gear (8).

3. The silicon nitride mobile phone backboard forming die of claim 1, wherein: the second rack (11) and the operation barrel (6) form a relative sliding structure, and the second rack (11) is in meshed connection with the gear (8).

4. The silicon nitride mobile phone backboard forming die of claim 1, wherein: the second conical teeth (22) are perpendicular to the first conical teeth (5), and the second conical teeth (22) are in meshed connection with the first conical teeth (5).

5. The silicon nitride mobile phone backboard forming die of claim 1, wherein: stopper (23) and first oval extruded article (20) closely laminate, and stopper (23) and location storehouse (18) constitution relative sliding structure, the bottom of location storehouse (18) both sides all runs through ejector pad (25).

6. The silicon nitride mobile phone backboard forming die of claim 1, wherein: the pushing block (25) is tightly attached to the second elliptical extrusion piece (21), and the pushing block (25) and the positioning bin (18) form a relative sliding structure.