CN214163872U

CN214163872U - Material stripping structure of glass glue bottle mold

Info

Publication number: CN214163872U
Application number: CN202022813836.7U
Authority: CN
Inventors: 吴子麟; 吴祖能
Original assignee: Guangdong Changneng Packaging Industry Co ltd
Current assignee: Guangdong Changneng Packaging Industry Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-10
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a stripping structure of a glass glue bottle mold, which comprises a fixed mold plate and a movable mold plate, wherein the fixed mold plate is provided with a glue injection port, the glue injection port is provided with a glue injection nozzle towards one end of the movable mold plate, the movable mold plate is provided with a mold core installation cavity, a mold core assembly is arranged in the mold core installation cavity, the fixed mold plate corresponds to the outer end of the glue injection nozzle and is provided with two sliders, the joint of the two sliders corresponds to the glue injection nozzle and is provided with a cavity, two slide positions are arranged in the cavity, the two slide positions are respectively connected with one slider, and the two sliders move in an opening and closing way; the end of the fixed die plate corresponding to the sliding block is provided with a limiting block, the end of the sliding block is limited between the limiting block and the fixed die plate, the surfaces of the sliding block and the limiting block which are opposite are respectively provided with a wave surface, and a first elastic piece is arranged in front of the sliding block and the fixed die plate. The utility model discloses when the die sinking, the action except can moving dorsad, with the product dropout of moulding plastics, the capable position can also move to the movable mould board direction, draws the product and leaves the injecting glue mouth, ensures that the product falls down automatically to improve production efficiency.

Description

Material stripping structure of glass glue bottle mold

Technical Field

The utility model relates to a glass glues bottle mould, especially a glass glues material structure of taking off of bottle mould.

Background

Chinese patent No. ZL201420433321.6 discloses a mold core positioning structure of a glass cement bottle body mold in 2014, 12, 10, comprising a fixed mold plate and a movable mold plate, wherein the fixed mold plate is provided with a pouring gate, the movable mold plate consists of a bottom plate and a front plate, the bottom plate is provided with a mold core, the front plate is provided with a mold cavity, the outer surface of the mold core, the inner wall of the mold cavity and the fixed mold plate jointly define an injection molding cavity, the center of the mold core is provided with an inner needle which can move along the axial direction of the mold core, the front end of the inner needle extends out of the mold core and is provided with an injection molding runner communicated with the pouring gate, the rear end of the inner needle is in transmission connection with a driving device and is controlled to move forwards, when the front end of the inner needle is connected with the sprue gate of the fixed die plate, the die core is changed from a cantilever beam structure to a simply supported beam structure so as to ensure the verticality of the die core and the die cavity and further ensure that the injection-molded product does not have eccentricity, and then, in the later stage of injection molding, the final injection molding is realized by adopting a mode of withdrawing the inner needle and then supplementing glue. However, after the mold with the structure is opened, because the plastic of the sprue gate is connected with the molded product, the plastic molding of the sprue gate is better and better occasionally, so that the sprue gate is not easy to break, and the product cannot fall out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a material structure of taking off that can pop out the outer many glass of a fixed die plate with the finished product during the die sinking.

The purpose of the utility model is realized like this:

the utility model provides a glass glues material structure of taking off of bottle mould, includes fixed die plate and movable mould board, and the fixed die plate is equipped with the injecting glue mouth, and the injecting glue mouth is equipped with the injecting glue mouth towards the one end of movable mould board, and the movable mould board is equipped with the mold core installation cavity, is equipped with mold core assembly, its characterized in that in the mold core installation cavity: the outer end of the fixed template corresponding to the glue injection nozzle is provided with two sliding blocks, the joint of the two sliding blocks is provided with a cavity corresponding to the glue injection nozzle, two slide positions are arranged in the cavity and are respectively connected with one sliding block, and the two sliding blocks move in an opening and closing manner; the end part of the fixed die plate, corresponding to the sliding block, is provided with a limiting block, the end part of the sliding block is limited between the limiting block and the fixed die plate, the surfaces, opposite to the limiting block, of the sliding block are respectively provided with a corrugated surface, and a first elastic part is arranged in front of the sliding block and the fixed die plate.

The purpose of the utility model can also adopt the following technical measures to solve:

as a more specific scheme, a second elastic piece is arranged between the two sliding blocks, the second elastic piece enables the two sliding blocks to have a mutually exclusive trend, a concave cavity is arranged at the joint of the two sliding blocks corresponding to the glue injection nozzle, two slide positions are arranged in the concave cavity, and the two slide positions are respectively connected with one sliding block; and when the die is opened, the wedge-shaped push block loses acting force on the slide block, and the two slide blocks repel each other under the action of the second elastic piece.

As a further scheme, the mold core assembly comprises a core sleeve, a mold core and an inner needle, the core sleeve is sleeved outside the mold core, the mold core is provided with a center hole, the inner needle is inserted into the center hole, two ends of the inner needle extend out of the mold core, and the core sleeve, the slide, the glue injection nozzle, the inner needle and the mold core jointly enclose a glass glue bottle cavity.

As a further scheme, more than four and a plurality of mold core mounting cavities are arranged, the mold core mounting cavities are arranged in a rectangular array, and the fixed mold plate is respectively provided with one glue injection nozzle corresponding to each mold core mounting cavity; the fixed die plate is provided with two sliding blocks corresponding to each row of glue injection nozzles, the two sliding blocks are respectively a first sliding block and a second sliding block, the elastic piece is arranged between the first sliding block and the second sliding block, the first sliding blocks corresponding to each row of glue injection nozzles are connected and linked through a first connecting rod, and the second sliding blocks corresponding to each row of glue injection nozzles are connected and linked through a second connecting rod.

As a further scheme, the first connecting rod is arranged on one side, facing the fixed die plate, of the first sliding block, and the second sliding block is provided with a second abdicating groove corresponding to the first connecting rod; the second connecting rod is arranged on one side, facing the fixed die plate, of the second sliding block, and the first sliding block is provided with a first abdicating groove corresponding to the second connecting rod.

As a further scheme, the glue injection device further comprises oil cylinders which correspond to the inner needles one to one, the cylinder bodies of the oil cylinders are fixed relative to the movable template, and pistons of the oil cylinders directly or indirectly push the inner needles to move towards the glue injection nozzles.

As a further scheme, a cylinder body of the oil cylinder comprises a cylinder barrel and an end cover, an inner cavity is arranged in the cylinder barrel, a first hydraulic oil hole and a second hydraulic oil hole are respectively formed in the surface of the cylinder barrel, which corresponds to the two ends of the inner cavity, the rear end of the inner cavity is open and is sealed through the end cover, and a narrow hole is formed in the front end of the inner cavity; the piston is arranged in the inner cavity in a sliding mode, a boss is arranged at the front end of the piston and corresponds to the narrow hole, the boss is inserted into the narrow hole, and the periphery of the boss is in sealing fit with the inner wall of the narrow hole.

As a further scheme, a first spiral groove is formed in the outer wall of the core sleeve, a first channel is formed between the first spiral groove and the inner wall of the mold core mounting cavity, and a second channel is formed in the movable mold plate and communicated with the first channel.

As a further scheme, the mold core assembly further comprises a needle sleeve, a sealing sleeve and a retaining ring, the needle sleeve is sleeved between the inner needle and the mold core, and the sealing sleeve and the retaining ring are respectively sleeved outside the front end and the rear end of the inner needle; the outer wall of the needle sleeve is provided with a second spiral groove, the second spiral groove and the inner wall of the mold core enclose a third channel, the rear end of the mold core is provided with an end seat, the end seat is positioned outside the rear end of the core sleeve, the end seat is provided with a fourth channel, the fourth channel is communicated with the third channel, and a gasket is arranged between the end seat and the rear end of the core sleeve.

As a further scheme, a fifth channel is arranged in the inner needle, the rear end of the inner needle is provided with an injection head, the injection head is provided with a sixth channel, and the sixth channel is communicated with the fifth channel; the rear end of the inner needle is provided with a convex ring, the rear end of the inner needle is also provided with a pressing ring, the pressing ring presses the convex ring and is connected with the front end of the liquid injection head, and the rear end of the liquid injection head faces towards the boss of the piston of the oil cylinder.

The utility model has the advantages as follows:

this kind of material structure that takes off of glass glue bottle mould is when the die sinking, and the action except can the motion dorsad, with the product dropout of moulding plastics, the line position can also move to the movable mould board direction, pulls away the product and leaves the injecting glue mouth, ensures that the product is automatic to fall to improve production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is another angle structure diagram of fig. 1.

Fig. 3 is a schematic view of the structure of the present invention.

FIG. 4 is a schematic sectional view A-A of FIG. 3.

Fig. 5 is an enlarged schematic view of a portion B of fig. 4.

Fig. 6 is a schematic view of the exploded structure of the bottom plate and the oil cylinder of the present invention.

Fig. 7 is another angle structure diagram of fig. 6.

Fig. 8 is a perspective structural schematic view of the middle bottom plate of the present invention.

Fig. 9 is a schematic view of an angle structure of the middle cylinder of the present invention.

Fig. 10 is a schematic view of another angle structure of the middle cylinder of the present invention.

Fig. 11 is an angle structure diagram of the mold opening state (canceling the bottom plate) of the present invention.

Fig. 12 is an enlarged schematic view of the structure at C in fig. 11.

Fig. 13 is a schematic view of another angle structure of the present invention in the open state (without the bottom plate).

Fig. 14 is an angle exploded schematic view of the middle moving die plate of the present invention.

Fig. 15 is another angle exploded schematic view of the middle moving die plate of the present invention.

Fig. 16 is an angle exploded schematic view of the fixed die plate of the present invention.

Fig. 17 is an enlarged schematic view of the structure at D in fig. 16.

Fig. 18 is another angle exploded view of the fixed mold plate of the present invention.

Fig. 19 is an enlarged schematic view of E in fig. 18.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

referring to fig. 1 to 19, a stripping structure of a glass cement bottle mold comprises a fixed mold plate 3 and a movable mold plate 2, wherein the fixed mold plate 3 is provided with a cement injection port 31, one end of the cement injection port 31 facing the movable mold plate 2 is provided with a cement injection nozzle 6, the movable mold plate 2 is provided with more than two mold core mounting cavities 21 (in this embodiment, sixteen mold core mounting cavities 21 are provided, and the sixteen mold core mounting cavities 21 are arranged in a direction array manner of 4X 4), a mold core assembly 4 is arranged in the mold core mounting cavity 21, the mold core assembly 4 comprises a core sleeve 45, the injection molding machine comprises a mold core 40 and an inner needle 44, a core sleeve 45 is sleeved outside the mold core 40, the mold core 40 is provided with a central hole, the inner needle 44 is inserted into the central hole, two ends of the inner needle 44 extend out of the mold core 40, the injection molding machine further comprises oil cylinders 5 which are in one-to-one correspondence with the inner needles 44, cylinder bodies of the oil cylinders 5 are relatively fixed with a movable mold plate 2, and pistons 52 of the oil cylinders 5 directly or indirectly push the inner needles 44 to move towards an injection nozzle 6. The rear end of the movable mould plate 2 is also provided with a bottom plate 1, the mould core assemblies 4 which are in one-to-one correspondence on the bottom plate 1 are provided with oil cylinder mounting cavities 11, the oil cylinders 5 are arranged in the oil cylinder mounting cavities 11, and the cylinder bodies of the oil cylinders 5 are fixedly connected with the bottom plate 1. The outer end of the fixed template 3 corresponding to the glue injection nozzle 6 is provided with two sliding blocks, the joint of the two sliding blocks is provided with a concave cavity 75 corresponding to the glue injection nozzle 6, two slide positions are arranged in the concave cavity 75 and are respectively connected with one sliding block, and the two sliding blocks move in an opening and closing manner; the end part of the fixed die plate 3, corresponding to the sliding block, is provided with a limiting block, the end part of the sliding block is limited between the limiting block and the fixed die plate 3, the surfaces, opposite to the limiting block, of the sliding block are respectively provided with a corrugated surface, and a first elastic part is arranged in front of the sliding block and the fixed die plate 3.

A second elastic piece is arranged between the two sliding blocks, the second elastic piece enables the two sliding blocks to have a mutual repulsion trend, a concave cavity 75 is arranged at the joint of the two sliding blocks corresponding to the glue injection nozzle 6, two slide blocks are arranged in the concave cavity 75, and the two slide blocks are respectively connected with one sliding block; the both sides that one side of movable mould board 2 orientation fixed die plate 3 corresponds mold core assembly 4 are equipped with wedge ejector pad 8, and during the compound die, the outside inclined plane cooperation of wedge ejector pad 8 and slider to order about two sliders and fold, during the die sinking, wedge ejector pad 8 loses the acting force to the slider, and two sliders repel each other under the second elastic component effect.

The fixed die plate 3 is provided with two sliding blocks corresponding to each row of glue injection nozzles 6, the two sliding blocks are respectively a first sliding block 71 and a second sliding block 73, the elastic piece is arranged between the first sliding block 71 and the second sliding block 73, the first sliding blocks 71 corresponding to each row of glue injection nozzles 6 are connected and linked through a first connecting rod, and the second sliding blocks 73 corresponding to each row of glue injection nozzles 6 are connected and linked through a second connecting rod. The two line positions are a first line position 72 and a second line position 74 respectively, the first line position 72 is connected with the first sliding block 71, and the second line position 74 is connected with the second sliding block 73. The limiting blocks comprise first limiting blocks 77 and second limiting blocks 76, first limiting blocks 77 are arranged at two ends of the first sliding block 71, second limiting blocks 76 are arranged at two ends of the second sliding block 73, rear wavy surfaces 78 are arranged on rear sides of end portions of the first sliding block 71 and the second sliding block 73, front wavy surfaces 79 are arranged on the first limiting blocks 77 and the second limiting blocks 76 corresponding to the rear wavy surfaces 78, and the rear wavy surfaces 78 and the front wavy surfaces 79 are matched with each other.

The first connecting rod is arranged on one side of the first sliding block 71 facing the fixed die plate 3, and the second sliding block 73 is provided with a second abdicating groove 731 corresponding to the first connecting rod; the second link is disposed on a side of the second slider 73 facing the fixed die plate 3, and the first slider 71 is provided with a first relief groove 711 corresponding to the second link.

A first hydraulic oil hole 511 and a second hydraulic oil hole 514 are respectively formed in two ends of the surface of the cylinder body, a sealing ring is arranged between the cylinder mounting cavity 11 and the cylinder body (as shown in fig. 9 and 10, a sealing ring groove 513 is formed in the outer wall of a cylinder barrel 51 of the cylinder body), the cylinder mounting cavity 11 is divided into a first hydraulic oil cavity 111 and a second hydraulic oil cavity 112 by the combination of the sealing ring and the cylinder body, and the first hydraulic oil hole 511 and the second hydraulic oil hole 514 are respectively communicated with the first hydraulic oil cavity 111 and the second hydraulic oil cavity 112; the base plate 1 is further provided with a first hydraulic oil pipeline 131 and a second hydraulic oil pipeline 141, the first hydraulic oil pipeline 131 simultaneously communicates the first hydraulic oil cavities 111 of the oil cylinder installation cavities 11, and the second hydraulic oil pipeline 141 simultaneously communicates the second hydraulic oil cavities 112 of the oil cylinder installation cavities 11.

The bottom plate 1 is relatively fixedly connected with the movable template 2.

The surface of the bottom plate 1 is provided with a first hydraulic oil interface 13 and a second hydraulic oil interface 14, the first hydraulic oil interface 13 is communicated with the first hydraulic oil pipeline 131, and the second hydraulic oil interface 14 is communicated with the second hydraulic oil pipeline 141.

The cylinder body of the oil cylinder 5 comprises a cylinder barrel 51 and an end cover 53, an inner cavity 512 is arranged in the cylinder barrel 51, the first hydraulic oil hole 511 and the second hydraulic oil hole 514 are respectively arranged at two ends of the surface of the cylinder barrel 51 corresponding to the inner cavity 512, the rear end of the inner cavity 512 is open and is sealed by the end cover 53, the end cover 53 is also connected with the outer end of the oil cylinder 5 in a sealing manner, and a narrow hole is arranged at the front end of the inner cavity 512; the piston 52 is arranged in the inner cavity 512 in a sliding mode, a boss 521 is arranged at the front end of the piston 52 corresponding to the narrow hole, the boss 521 is inserted into the narrow hole, and the periphery of the boss 521 is in sealing fit with the inner wall of the narrow hole.

The outer wall of the core sleeve 45 is provided with a first spiral groove, a first channel 451 is formed between the first spiral groove and the inner wall of the mold core mounting cavity 21, the movable mold plate 2 is provided with a second channel 22, and the second channel 22 is communicated with the first channel 451.

The mold core assembly 4 further comprises a needle sleeve 43, a sealing sleeve 42 and a retainer ring 47, the needle sleeve 43 is sleeved between the inner needle 44 and the mold core 40, and the sealing sleeve 42 and the retainer ring 47 are respectively sleeved outside the front end and the rear end of the inner needle 44; the outer wall of the needle sleeve 43 is provided with a second spiral groove, the second spiral groove and the inner wall of the mold core 40 enclose a third channel 431, the rear end of the mold core 40 is provided with an end seat, the end seat is positioned outside the rear end of the core sleeve 45, the end seat is provided with a fourth channel 402, the fourth channel 402 is communicated with the third channel 431, and a gasket 46 is arranged between the end seat and the rear end of the core sleeve 45. The front end of the mold core mounting cavity 21 is provided with a gland 41 corresponding to the front end of the core sleeve 45.

A fifth channel 441 is arranged in the inner needle 44, the rear end of the inner needle 44 is provided with an injection head 49, the injection head 49 is provided with a sixth channel 491, and the sixth channel 491 is communicated with the fifth channel 441; the rear end of the inner needle 44 is provided with a convex ring, the rear end of the inner needle 44 is also provided with a press ring 48, the press ring 48 presses the convex ring and is connected with the front end of the liquid injection head 49, and the rear end of the liquid injection head 49 faces to a boss 521 of a piston 52 of the oil cylinder 5.

The rear of the movable template 2 is provided with a bottom plate 1, the oil cylinder 5 is arranged on the bottom plate 1, and the bottom plate 1 is provided with a abdication groove 12 corresponding to the liquid injection head 49.

A partition part 10 is arranged between the bottom plate 1 and the movable mould plate 2.

The first elastic member, the second elastic member, the first link and the second link are not shown in the drawings.

The working principle is as follows: after the die is closed, the oil cylinder pushes the inner needle to move forward, so that the suspended end of the die core is supported by the inner needle, the rigidity and the concentricity with the core sleeve are improved, and after the die cavity (except the contact part of the inner needle and the glue injection nozzle) is filled with plastics, the inner needle can retreat and the space between the inner needle and the glue injection nozzle is filled with plastics, so that the die cavity is filled with plastics; then, can the die sinking, during the die sinking, wedge ejector pad 8 loses the effort to the slider gradually, and the slider moves as arrow direction in fig. 11 under the effect of second elastic component, realizes opening of slide, holds in the palm with injection moulding's glass glues the front end of bottle and detains, and simultaneously, when the crest of the wave form face of slider and stopper is relative with the trough, the slider bounces backward under the effect of first elastic component, so pull the product away from the injecting glue mouth, ensure that the product falls automatically, thereby improve production efficiency.

Claims

1. The utility model provides a glass glues material structure of taking off of bottle mould, includes fixed die plate (3) and movable mould board (2), and fixed die plate (3) are equipped with injecting glue mouth (31), and injecting glue mouth (31) are equipped with injecting glue mouth (6) towards the one end of movable mould board (2), and movable mould board (2) are equipped with mold core installation cavity (21), are equipped with mold core assembly (4), its characterized in that in mold core installation cavity (21): the outer end of the fixed template (3) corresponding to the glue injection nozzle (6) is provided with two sliding blocks, the joint of the two sliding blocks is provided with a concave cavity corresponding to the glue injection nozzle (6), two slide positions are arranged in the concave cavity, the two slide positions are respectively connected with one sliding block, and the two sliding blocks move in an opening and closing manner; the end part of the fixed die plate (3) corresponding to the sliding block is provided with a limiting block, the end part of the sliding block is limited between the limiting block and the fixed die plate (3), the surfaces of the sliding block and the limiting block which are opposite are respectively provided with a corrugated surface, and a first elastic piece is arranged in front of the sliding block and the fixed die plate (3).

2. The stripping structure of the glass cement bottle mold according to claim 1, characterized in that: a second elastic piece is arranged between the two sliding blocks, the second elastic piece enables the two sliding blocks to have a mutual repulsion trend, a concave cavity (75) is arranged at the joint of the two sliding blocks corresponding to the glue injection nozzle (6), two slide positions are arranged in the concave cavity (75), and the two slide positions are respectively connected with one sliding block; the mould core assembly (4) is corresponding to the both sides of one side of moving die plate (2) towards fixed die plate (3) and is equipped with wedge ejector pad (8), and during the compound die, the outside inclined plane cooperation of wedge ejector pad (8) and slider to order about two sliders and fold, during the die sinking, wedge ejector pad (8) lose to the slider effort, and two sliders repel each other under the second elastic component effect.

3. The stripping structure of the glass cement bottle mold according to claim 1, characterized in that: the mold core assembly (4) comprises a core sleeve (45), a mold core (40) and an inner needle (44), the core sleeve (45) is sleeved outside the mold core (40), the mold core (40) is provided with a center hole, the inner needle (44) is inserted into the center hole, two ends of the inner needle (44) extend out of the mold core (40), and the core sleeve (45), the slide, the glue injection nozzle (6), the inner needle (44) and the mold core (40) jointly enclose a glass glue bottle cavity (401).

4. The stripping structure of the glass cement bottle mold according to claim 1, characterized in that: the mold core mounting cavities (21) are more than four and are multiple, the mold core mounting cavities (21) are arranged in a rectangular array, and the fixed mold plate (3) is respectively provided with one glue injection nozzle (6) corresponding to each mold core mounting cavity (21); the fixed die plate (3) is provided with two sliding blocks corresponding to each row of glue injection nozzles (6), the two sliding blocks are respectively a first sliding block (71) and a second sliding block (73), the elastic piece is arranged between the first sliding block (71) and the second sliding block (73), the first sliding block (71) corresponding to each row of glue injection nozzles (6) is connected and linked through a first connecting rod, and the second sliding block (73) corresponding to each row of glue injection nozzles (6) is connected and linked through a second connecting rod.

5. The stripping structure of the glass cement bottle mold according to claim 4, characterized in that: the first connecting rod is arranged on one side, facing the fixed template (3), of the first sliding block (71), and the second sliding block (73) is provided with a second abdicating groove (731) corresponding to the first connecting rod; the second connecting rod is arranged on one side, facing the fixed die plate (3), of the second sliding block (73), and the first sliding block (71) is provided with a first abdicating groove (711) corresponding to the second connecting rod.

6. The stripping structure of the glass cement bottle mold according to claim 1, characterized in that: the glue injection device is characterized by further comprising oil cylinders (5) which correspond to the inner needles (44) one by one, wherein cylinder bodies of the oil cylinders (5) are fixed relative to the movable template (2), and pistons (52) of the oil cylinders (5) directly or indirectly push the inner needles (44) to move towards the glue injection nozzle (6).

7. The mold stripping structure for glass cement bottles as claimed in claim 6, wherein: the cylinder body of the oil cylinder (5) comprises a cylinder barrel (51) and an end cover (53), an inner cavity (512) is arranged in the cylinder barrel (51), a first hydraulic oil hole (511) and a second hydraulic oil hole (514) are respectively formed in the surface of the cylinder barrel (51) and correspond to the two ends of the inner cavity (512), the rear end of the inner cavity (512) is open and is sealed through the end cover (53), and a narrow hole is formed in the front end of the inner cavity (512); the piston (52) is arranged in the inner cavity (512) in a sliding mode, a boss (521) is arranged at the front end of the piston (52) corresponding to the narrow hole, the boss (521) is inserted into the narrow hole, and the periphery of the boss (521) is in sealing fit with the inner wall of the narrow hole.

8. The stripping structure of the glass cement bottle mold according to claim 3, characterized in that: the outer wall of the core sleeve (45) is provided with a first spiral groove, a first channel (451) is formed between the first spiral groove and the inner wall of the mold core mounting cavity (21), the movable mold plate (2) is provided with a second channel (22), and the second channel (22) is communicated with the first channel (451).

9. The stripping structure of the glass cement bottle mold according to claim 3, characterized in that: the mold core assembly (4) further comprises a needle sleeve (43), a sealing sleeve (42) and a check ring (47), the needle sleeve (43) is sleeved between the inner needle (44) and the mold core (40), and the sealing sleeve (42) and the check ring (47) are respectively sleeved outside the front end and the rear end of the inner needle (44); the outer wall of the needle sleeve (43) is provided with a second spiral groove, the second spiral groove and the inner wall of the mold core (40) enclose to form a third channel (431), the rear end of the mold core (40) is provided with an end seat, the end seat is positioned outside the rear end of the core sleeve (45), the end seat is provided with a fourth channel (402), the fourth channel (402) is communicated with the third channel (431), and a gasket (46) is arranged between the end seat and the rear end of the core sleeve (45).

10. The mold stripping structure for glass cement bottles as claimed in claim 7, wherein: a fifth channel (441) is arranged in the inner needle (44), the rear end of the inner needle (44) is provided with a liquid injection head (49), the liquid injection head (49) is provided with a sixth channel (491), and the sixth channel (491) is communicated with the fifth channel (441); the rear end of the inner needle (44) is provided with a convex ring, the rear end of the inner needle (44) is also provided with a pressing ring (48), the pressing ring (48) presses the convex ring and is connected with the front end of the liquid injection head (49), and the rear end of the liquid injection head (49) faces to a boss (521) of a piston (52) of the oil cylinder (5).