CN113733526A

CN113733526A - Sports goods mould with air escape structure

Info

Publication number: CN113733526A
Application number: CN202111019738.9A
Authority: CN
Inventors: 仇保宗
Original assignee: Hefei Shangji Sports Goods Co ltd
Current assignee: Hefei Shangji Sports Goods Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2021-12-03
Anticipated expiration: 2041-09-01
Also published as: CN113733526B

Abstract

The invention discloses a sports article mould with an air escape structure, which adopts the technical scheme that: including last mould assembly and bed die assembly, bed die assembly is the same with last mould assembly structure, and the bed die assembly includes base plate and shell form mould, and shell form mould outer wall welding has the mount pad, and the mount pad passes through bolster and substrate connection, shell form mould edge fixedly connected with annular sideboard, and a sports goods mould with escape the gas structure's beneficial effect is: through setting up two last mould assemblies and the bed die assembly that the structure is the same, can make two shell form moulds merge earlier when last mould assembly moves with the bed die assembly, the bolster can be compressed and the annular fly leaf is driven through the push rod to remove to last mould assembly and the bed die assembly that continue to remove, and the removal through the piston is outwards absorbed the inside air of mould, compares prior art and has improved exhaust efficiency, avoids the inside too much gas of remaining of die cavity to influence product processingquality.

Description

Sports goods mould with air escape structure

Technical Field

The invention relates to the technical field of sports goods processing, in particular to a sports goods mold with an air escape structure.

Background

The sports goods mainly comprise fitness equipment and instruments, the sports equipment, health equipment, sports competition goods, sports protectors, sports clothes and the like, wherein spherical sports goods such as basketball, football, volleyball and the like generally comprise a plastic inner container and an outer skin, the plastic inner container is generally made of plastic materials through a blow molding process, the main process is that a blank is placed between a heatable upper mold and a heatable lower mold, a hydraulic push rod is utilized to drive the spherical shell-shaped upper mold and the spherical shell-shaped lower mold to be closed, meanwhile, an inflation pipe is utilized to inject gas into the blank to enable the blank to expand, the expanded blank finally forms a standard spherical shape after being heated, and the blank is taken out and then is subjected to the steps of subsequent wrapping, adhering the outer skin and the like.

The prior art has the following defects: the existing plastic ball is generally exhausted only through expansion of a parison during blow molding, the exhaust efficiency is low, and due to uneven thickness of the parison, residual gas in a cavity often influences the product quality and needs to be further improved.

For this reason, it is necessary to design a sports article mold having an air escape structure to solve the above problems.

Disclosure of Invention

Therefore, the invention provides a sports goods mold with an air escape structure, and the sports goods mold is provided with an upper mold assembly and a lower mold assembly which have the same structure, when the upper mold assembly and the lower mold assembly move, the two shell-shaped molds can be combined firstly, the upper mold assembly and the lower mold assembly which move continuously can compress a buffer piece and drive an annular movable plate to move through a push rod, and finally air in the mold is sucked outwards through the movement of a piston.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a sports goods mould with escape structure, includes mould assembly and bed die assembly, the bed die assembly is the same with last mould assembly structure, the bed die assembly includes base plate and shell form mould, shell form mould outer wall welding has the mount pad, the mount pad passes through bolster and substrate connection, shell form mould edge fixedly connected with annular sideboard, first gas pocket and second gas pocket have still been seted up on annular sideboard surface, first gas pocket extends to shell form mould inner wall, the second gas pocket extends to annular sideboard outward flange, annular fly leaf has still been set to the shell form mould outside, annular fly leaf is connected with annular sideboard through the subassembly of breathing in, install the push rod on the base plate, the push rod runs through annular fly leaf and annular sideboard in proper order.

Preferably, the buffer piece comprises a telescopic rod and a first spring, the two ends of the telescopic rod are respectively fixedly connected with the mounting seat and the substrate, the first spring is sleeved outside the telescopic rod, and the two ends of the first spring are respectively fixedly connected with the mounting seat and the substrate.

Preferably, the subassembly of breathing in includes a piston section of thick bamboo, a piston section of thick bamboo and annular sideboard fixed connection, first check valve of piston section of thick bamboo inner wall fixedly connected with and second check valve, the inside piston that is provided with of a piston section of thick bamboo, fixedly connected with branch on the piston, branch one end extend to the piston section of thick bamboo outside and with annular fly leaf fixed connection, the second spring has still been set to the piston section of thick bamboo outside, second spring both ends respectively with annular fly leaf and annular sideboard fixed connection.

Preferably, the first check valve corresponds to a first air hole, and the second check valve corresponds to a second air hole.

Preferably, the push rod is connected with two nuts through threads, the push rod penetrates through the substrate and is fixedly connected with the substrate through the nuts, and the two nuts are respectively located on two sides of the substrate.

Preferably, the surface of the annular side plate is further provided with a through hole, and the diameter of the through hole is larger than that of the push rod.

Preferably, the surface of the sideboard is provided with a strip-shaped groove.

Preferably, a cavity is arranged inside the shell-shaped mold, and an air inlet pipe orifice is fixedly connected to the outer wall of the shell-shaped mold and communicated with the cavity.

Preferably, a thermometer is fixedly connected to the air inlet pipe orifice.

Preferably, the end part of the push rod is fixedly connected with a rubber end.

The invention has the beneficial effects that:

1. according to the invention, by arranging the upper die assembly and the lower die assembly which are identical in structure, when the upper die assembly and the lower die assembly move, the two shell-shaped dies can be combined, the upper die assembly and the lower die assembly which move continuously can compress the buffer piece and drive the annular movable plate to move through the push rod, and finally air in the dies is sucked outwards through the movement of the piston.

2. According to the invention, by arranging the push rod, the two nuts can be screwed to disassemble and assemble the push rod, the position of the push rod can be adjusted, the movement amount of the annular movable plate can be further controlled, the adjustment of the air suction amount is finally realized, the structure is simple and reasonable, and the applicability is improved.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a cross-sectional view provided by the present invention;

FIG. 3 is an enlarged structural view of part A of FIG. 2 according to the present invention;

FIG. 4 is a schematic representation of the operation provided by the present invention;

FIG. 5 is a schematic structural diagram of example 2 provided in the present invention;

fig. 6 is an enlarged structural view of the part B in fig. 5 according to the present invention.

In the figure: the device comprises a base plate 1, a shell-shaped die 2, a mounting seat 3, an annular side plate 4, a first air hole 5, a second air hole 6, an annular movable plate 7, a push rod 8, a telescopic rod 9, a first spring 10, a piston cylinder 11, a first one-way valve 12, a second one-way valve 13, a piston 14, a support rod 15, a second spring 16, a nut 17, a through hole 18, a strip-shaped groove 19, an air inlet pipe orifice 20, a thermometer 21, a rubber end 22, a rubber telescopic sleeve 23, a connecting plate 24, a third one-way valve 25, a fourth one-way valve 26 and a third spring 27.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example 1:

referring to the attached drawings 1-4, the sports goods mold with the air escape structure provided by the invention comprises an upper mold assembly and a lower mold assembly, wherein in practical application, the upper mold assembly is arranged at the bottom of a hydraulic push rod 8, the upper mold assembly can be driven to move up and down by the hydraulic push rod 8, the lower mold assembly and the upper mold assembly have the same structure, the lower mold assembly comprises a substrate 1 and a shell-shaped mold 2, the outer wall of the shell-shaped mold 2 is welded with a mounting seat 3, the mounting seat 3 is connected with the substrate 1 through a buffer part, the edge of the shell-shaped mold 2 is fixedly connected with an annular side plate 4, the surface of the annular side plate 4 is further provided with a first air hole 5 and a second air hole 6, the first air hole 5 extends to the inner wall of the shell-shaped mold 2, the second air hole 6 extends to the outer edge of the annular side plate 4, and an annular movable plate 7 is further sleeved outside the shell-shaped mold 2, annular fly leaf 7 is connected with annular sideboard 4 through the subassembly of breathing in, install push rod 8 on the base plate 1, push rod 8 runs through annular fly leaf 7 and annular sideboard 4 in proper order, and push rod 8 and the equal clearance fit of through hole on the annular fly leaf 7 and the annular sideboard 4 among the practical application.

Further, the bolster includes telescopic link 9 and

first spring

10, 9 both ends of telescopic link respectively with

mount pad

3 and 1 fixed connection of base plate, first spring 10 cover is put in the 9 outsides of telescopic link, 10 both ends of first spring respectively with

mount pad

3 and 1 fixed connection of base plate, the bolster provides elasticity, can make two shell form moulds 2 closely laminate, and telescopic link 9 can provide the direction simultaneously, guarantees that shell form mould 2 vertically reciprocates.

Further, the air suction assembly comprises a piston cylinder 11, the piston cylinder 11 is fixedly connected with the annular side plate 4, the inner wall of the piston cylinder 11 is fixedly connected with a first one-way valve 12 and a second one-way valve 13, the first one-way valve 12 can enable air to enter the piston cylinder 11 only from the inside of the first air hole 5 and not enter the inside of the first air hole 5 from the inside of the piston cylinder 11, the second one-way valve 13 can enable air to enter the second air hole 6 from the inside of the piston cylinder 11 and not enable air to enter the piston cylinder 11 from the inside of the second air hole 6, a piston 14 is arranged inside the piston cylinder 11, a supporting rod 15 is fixedly connected to the piston 14, one end of the supporting rod 15 extends to the outside of the piston cylinder 11 and is fixedly connected with the annular movable plate 7, a second spring 16 is further sleeved outside the piston cylinder 11, and two ends of the second spring 16 are respectively fixedly connected with the annular movable plate 7 and the annular side plate 4, the second spring 16 can drive the annular movable plate 7 to reset, so that the piston 14 resets, and gas in the piston cylinder 11 is exhausted, the number of the gas suction assemblies is set according to requirements in practical application, and when the annular movable plate 7 moves, the plurality of supporting rods 15 and the piston 14 can be pulled to move simultaneously, so that a gas suction effect is realized, and the expansion of a matched blank is used for exhausting together.

Further, the first check valve 12 corresponds to the first air hole 5 in position, and the second check valve 13 corresponds to the second air hole 6 in position.

Further, the push rod 8 is connected with two nuts 17 through threads, the push rod 8 penetrates through the substrate 1 and is fixedly connected with the substrate 1 through the nuts 17, the two nuts 17 are respectively located on two sides of the substrate 1, the push rod 8 can be disassembled and assembled by rotating the nuts 17 in actual operation, the position of the push rod 8 can be adjusted, the moving amount of the push ring-shaped movable plate 7 can be changed after the position of the push rod 8 is moved, and finally the adjustment of the air displacement of the piston cylinder 11 is achieved.

Furthermore, the surface of the annular side plate 4 is further provided with a through hole 18, the diameter of the through hole 18 is larger than that of the push rod 8, the push rod 8 of the lower die assembly can just penetrate through the through hole 18 of the upper die assembly and push the annular movable plate 7 of the upper die assembly to move in the machining process, and the push rod 8 of the upper die assembly can just penetrate through the through hole 18 of the lower die assembly and push the annular movable plate 7 of the lower die assembly to move.

Further, a strip-shaped groove 19 is formed in the surface of the side plate, and when the two shell-shaped molds 2 are combined, the positions of the two strip-shaped grooves 19 just correspond to each other to form a hole for inserting the inflation tube.

Further, a cavity is arranged inside the shell-shaped mold 2, an air inlet pipe orifice 20 is fixedly connected to the outer wall of the shell-shaped mold 2, the air inlet pipe orifice 20 is communicated with the cavity, and the air inlet pipe orifice 20 can be used for being connected with a steam generating device so as to heat the shell-shaped mold 2.

Further, a thermometer 21 is fixedly connected to the air inlet pipe orifice 20.

Further, the end of the push rod 8 is fixedly connected with a rubber end 22, and the rubber end 22 can reduce noise when the push rod 8 contacts with the annular movable plate 7, and avoid rigid contact damage to the push rod 8 or the annular movable plate 7.

The using process of the invention is as follows: when the invention is used, firstly, the parison is inserted into the inflation tube, then the parison is placed in the shell-shaped mould 2, and simultaneously the inflation tube is placed in the strip groove 19, then the whole upper mould assembly can be driven to move downwards under the action of the hydraulic push rod 8, the two shell-shaped moulds 2 are contacted and combined firstly during the downward movement of the upper mould assembly, then the hydraulic push rod 8 continuously pushes the two shell-shaped moulds 2 to move downwards, at the moment, the two buffer parts can be contracted, at the moment, the push rod 8 on the upper mould assembly can penetrate through the annular movable plate 7 on the lower mould assembly and push the annular movable plate 7 on the lower mould assembly to move downwards, the annular movable plate 7 on the lower mould assembly moves downwards and can pull the piston 14 through the support rod 15, further, the air in the cavity of the shell-shaped mould 2 is sucked into the piston cylinder 11 through the first air hole 5 and the first one-way valve 12, and the inflation tube is matched with the air injection to realize the exhaust process to the interior of the parison, after the processing is finished, the upper mold assembly is separated from the lower mold assembly, the annular movable plate 7 is driven to reset under the action of the second spring 16, the piston 14 is driven to reset through the supporting rod 15, and air in the piston cylinder 11 can be discharged through the second check valve 13 and the second air hole 6.

Example 2:

referring to fig. 5-6, the sports goods mold with an air escape structure according to the present invention is different from embodiment 1 in that the air suction assembly includes a rubber telescopic tube 23, one end of the rubber telescopic tube 23 is fixedly connected to the annular movable plate 7, the other end of the rubber telescopic tube 23 is fixedly connected to a connecting plate 24, the connecting plate 24 is fixedly connected to the annular side plate 4, a third one-way valve 25 and a fourth one-way valve 26 are fixedly disposed on a surface of the connecting plate 24, the third one-way valve 25 corresponds to the first air hole 5, the fourth one-way valve 26 corresponds to the second air hole 6, the third one-way valve 25 allows air to enter the rubber telescopic tube 23 only from the first air hole 5 but not from the inside of the rubber telescopic tube 23, the fourth one-way valve 26 allows air to enter the second air hole 6 only from the inside of the rubber telescopic tube 23, the air inlet structure is characterized in that the air inlet structure cannot enter the rubber telescopic tube 23 from the second air hole 6, the outer side of the rubber telescopic tube 23 is sleeved with the third spring 27, two ends of the third spring 27 are fixedly connected with the annular movable plate 7 and the annular side plate 4 respectively, the air suction effect can be achieved by utilizing the telescopic characteristic of the rubber telescopic tube 23, and the air inlet structure is simple in structure and lower in cost.

When the invention is used, firstly, the inflation tube is inserted into the parison, then the parison is placed in the shell-shaped molds 2, meanwhile, the inflation tube is placed in the strip-shaped groove 19, then the whole upper mold assembly can be driven to move downwards under the action of the hydraulic push rod 8, the two shell-shaped molds 2 are contacted and combined firstly in the downward movement process of the upper mold assembly, then the hydraulic push rod 8 continuously pushes the two shell-shaped molds 2 to move downwards, at the moment, the two buffer parts can be contracted, the push rod 8 on the upper mold assembly can penetrate through the annular movable plate 7 on the lower mold assembly and push the annular movable plate 7 on the lower mold assembly to move downwards, the rubber telescopic sleeve 23 can be pulled to extend when the annular movable plate 7 moves, the rubber telescopic sleeve 23 extends to suck the air in the cavities of the shell-shaped molds 2 into the rubber telescopic sleeve 23 through the first air hole 5 and the third one-way valve 25, the inflation pipe is matched to inject gas into the parison to realize the exhaust process, after the processing is finished, the upper mold assembly is separated from the lower mold assembly, the annular movable plate 7 is driven to reset under the action of the third spring 27, the rubber telescopic tube 23 is compressed at the moment, and the air in the rubber telescopic tube is exhausted through the fourth check valve 26 and the fourth air hole.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The utility model provides a sports goods mould with escape gas structure, includes mould assembly and bed die assembly, its characterized in that: the lower die assembly and the upper die assembly have the same structure, the lower die assembly comprises a substrate (1) and a shell-shaped die (2), the outer wall of the shell-shaped mould (2) is welded with a mounting seat (3), the mounting seat (3) is connected with the substrate (1) through a buffer piece, the edge of the shell-shaped die (2) is fixedly connected with an annular side plate (4), the surface of the annular side plate (4) is also provided with a first air hole (5) and a second air hole (6), the first air holes (5) extend to the inner wall of the shell-shaped mould (2), the second air holes (6) extend to the outer edge of the annular side plate (4), an annular movable plate (7) is sleeved on the outer side of the shell-shaped mold (2), the annular movable plate (7) is connected with the annular side plate (4) through a suction assembly, install push rod (8) on base plate (1), push rod (8) run through annular fly leaf (7) and annular sideboard (4) in proper order.

2. A sporting goods mold having an air escape structure as set forth in claim 1, wherein: the buffer piece comprises a telescopic rod (9) and a first spring (10), wherein the two ends of the telescopic rod (9) are fixedly connected with the mounting seat (3) and the substrate (1) respectively, the first spring (10) is sleeved on the outer side of the telescopic rod (9), and the two ends of the first spring (10) are fixedly connected with the mounting seat (3) and the substrate (1) respectively.

3. A sporting goods mold having an air escape structure as set forth in claim 1, wherein: the air suction assembly comprises a piston cylinder (11), the piston cylinder (11) is fixedly connected with an annular side plate (4), a first check valve (12) and a second check valve (13) are fixedly connected to the inner wall of the piston cylinder (11), a piston (14) is arranged inside the piston cylinder (11), a supporting rod (15) is fixedly connected to the piston (14), one end of the supporting rod (15) extends to the outside of the piston cylinder (11) and is fixedly connected with an annular movable plate (7), a second spring (16) is further sleeved on the outer side of the piston cylinder (11), and two ends of the second spring (16) are respectively fixedly connected with the annular movable plate (7) and the annular side plate (4).

4. A sporting goods mold having an air escape structure as set forth in claim 3, wherein: the first one-way valve (12) corresponds to the first air hole (5) in position, and the second one-way valve (13) corresponds to the second air hole (6) in position.

5. A sporting goods mold having an air escape structure as set forth in claim 1, wherein: the push rod (8) is connected with two nuts (17) in a threaded mode, the push rod (8) penetrates through the base plate (1) and is fixedly connected with the base plate (1) through the nuts (17), and the two nuts (17) are located on two sides of the base plate (1) respectively.

6. A sporting goods mold having an air escape structure as set forth in claim 1, wherein: the surface of the annular side plate (4) is also provided with a through hole (18), and the diameter of the through hole (18) is larger than that of the push rod (8).

7. A sporting goods mold having an air escape structure as set forth in claim 1, wherein: the surface of the sideboard is provided with a strip-shaped groove (19).

8. A sporting goods mold having an air escape structure as set forth in claim 1, wherein: the shell-shaped die is characterized in that a cavity is formed in the shell-shaped die (2), an air inlet pipe orifice (20) is fixedly connected to the outer wall of the shell-shaped die (2), and the air inlet pipe orifice (20) is communicated with the cavity.

9. A sporting goods mold having an air escape structure as set forth in claim 8, wherein: a thermometer (21) is fixedly connected to the air inlet pipe orifice (20).

10. A sporting goods mold having an air escape structure as set forth in claim 1, wherein: the end part of the push rod (8) is fixedly connected with a rubber end (22).