CN114248397A

CN114248397A - 3C structural part machining and shaping method and die

Info

Publication number: CN114248397A
Application number: CN202111570337.2A
Authority: CN
Inventors: 袁军刚
Original assignee: Jiawei Technology Hai'an Co ltd
Current assignee: Jiawei Technology Hai'an Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-03-29
Anticipated expiration: 2041-12-21
Also published as: CN114248397B

Abstract

The invention is suitable for the technical field of 3C structural part processing, and provides a 3C structural part processing and shaping method and a die. Go up simultaneously between inside lining and the last mould through hose inflation joint fixed, hose spiral sets up and inside flourishing is equipped with the cooling water, can cool off inside the lining of going up promptly, can carry out the joint locking to last inside lining again, fix through the latch fitting of cutting the fork structural formula between lower inside lining and the lower mould, when the latch fitting vertically rises to the highest, peg graft with inside lining bottom surface spout down, otherwise the latch fitting vertically falls to when minimum, the inside lining locking will be down on the one hand, on the other hand carries out steady decline to inside lining down and packs up.

Description

3C structural part machining and shaping method and die

Technical Field

The invention belongs to the technical field of 3C structural part machining, and particularly relates to a 3C structural part machining and shaping method and a die.

Background

The 3C is a name for three household electrical appliances, namely a computer, a periphery of the computer, a mobile phone and consumer electronics, and the 3C structural part is a part of the three products. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

Most of the existing moulds for shaping and processing the 3C structural part adopt moulds with uniform specifications to produce and process the moulds, so that the universality among the moulds is poor, and the moulds are inconvenient to disassemble and use.

Disclosure of Invention

The invention provides a method and a die for processing and shaping a 3C structural part, and aims to solve the problems in the background technology.

The invention is realized in this way, a 3C structural part processing and shaping method, which comprises the following steps:

firstly, pulling an upper die away from a lower die;

inserting the upper liner into the upper die and starting the hose to expand, support and clamp;

step three, retracting a locking piece in the lower die, then placing the lower liner on the locking piece for clamping, and retracting the lower liner into the lower die along with the descending of the locking piece for retracting;

fourthly, the upper die descends to be in plug-in sealing with the lower die, the upper lining and the lower lining are in plug-in sealing to form a cavity, liquid is injected into the cavity, and cooling forming is waited to form a 3C structural part;

and fifthly, the upper die is opened from the lower die, the locking piece is started again, the lower liner is taken out from the lower die, and the lower liner is replaced to carry out the next injection molding operation.

The utility model provides a 3C structure processing plastic mould, uses in the claim, includes the base, the support frame is installed to the base top, install the bed die on the base, install the liftable last mould under the support frame, the inside expandable hose joint that has of going up mould has the inside lining, the inside latch fitting through cutting the fork structure of lower mould can be dismantled and be connected with the inside lining down, go up the inside lining with the inside lining forms the die cavity down and is used for moulding plastics formation 3C structure.

Preferably, a lower cavity is arranged in the lower die, the lower lining is detachably accommodated in the lower cavity, a spiral water channel is formed in the outer side wall of the lower cavity, and a lower water inlet and a lower water outlet of the water channel are formed in the lower end of the lower cavity.

Preferably, the bottom of the lower accommodating cavity is provided with a T-shaped accommodating groove, a double-end lead screw used for driving the locking piece to lift is arranged in the accommodating groove, and a motor is arranged at one end of the double-end lead screw.

Preferably two sections spiro union respectively of the left and right sides of double-end lead screw are installed two gliding feet of latch fitting, the latch fitting includes the scissors piece, two lower extremes of scissors piece rotate respectively and connect one gliding foot down, two lower extremes rotate respectively and connect one gliding foot, two go up the gliding foot slide in the T type spout of lower inside lining bottom surface, just the mid point department of spout has seted up the inserted hole and has been used for two side by side it inserts to go up the gliding foot.

Preferably, the upper mold is internally provided with an upper cavity, the upper cavity is detachably accommodated with the upper lining, the upper end of the upper lining is provided with an injection molding pipe, and the injection molding pipe is in plug-in fit with the injection port formed in the upper mold.

Preferably, the outer wall of the upper liner is spirally provided with a semicircular clamping groove, the clamping groove is matched with the hose in the upper cavity of the upper die in the expansion state in a spiral mode, cooling water is filled in the hose, and an upper water inlet and outlet of the cooling water is formed in the side face of the upper die.

Preferably, a cooling water tank is accommodated in the base, a water pump is arranged in the water tank, and the water pump is respectively connected with a lower water inlet and a lower water outlet of the lower die and an upper water inlet and a lower water outlet of the upper die through water pipes.

Preferably, the upper die and the lower die are provided with heat insulation cavities at the outer sides of the upper cavity and the lower cavity.

Preferably, the support frame is provided with an electric screw, and the electric screw drives the upper die to move up and down along the four support columns.

Compared with the prior art, the invention has the beneficial effects that: according to the method and the die for processing and shaping the 3C structural part, the upper lining and the lower lining which are replaceable are arranged inside the upper die and the lower die and are made of light heat-resistant materials, so that the 3C structural part manufactured inside is changed by replacing the upper lining and the lower lining, and the 3C structural parts of different specifications and different types can be manufactured.

Go up simultaneously that the inside lining is fixed through hose inflation joint between inside lining and the last mould, hose spiral sets up and inside flourishing is equipped with the cooling water, can cool off inside the lining of going up promptly, can carry out the joint locking to last inside lining again, fix through the latch fitting of cutting the fork structural formula between lower inside lining and the lower mould, when the latch fitting vertically rises to the highest, peg graft with inside lining bottom surface spout down, otherwise the latch fitting vertically falls when minimum, the inside lining locking will be down on the one hand, on the other hand carries out steady decline to the inside lining down and packs up, the realization is to going up the stable quick assembly disassembly of inside lining and lower inside lining.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the upper and lower molds of the present invention;

FIG. 3 is a schematic cross-sectional view of an upper liner and a lower liner of the present invention;

FIG. 4 is a schematic view of a cross-sectional structure of the upper mold, the upper liner, the lower mold, and the lower liner of the present invention;

in the figure:

1. a base;

2. a support frame; 21. an electric screw; 22. a support pillar;

3. a lower die; 31. a lower cavity; 32. a water channel; 33. a lower water inlet and outlet; 34. an accommodating groove;

4. an upper die; 41. an upper cavity; 42. an injection port; 43. an upper water inlet and a water outlet;

5. a lock; 51. a scissor element; 52. a lower sliding foot; 53. upward sliding feet;

6. a lower liner; 61. a chute; 62. an insertion opening;

7. a hose;

8. an upper liner; 81. injection molding a tube; 82. a card slot;

91. a double-ended lead screw; 92. a motor;

10. an insulating cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a 3C structure processing plastic mould, includes base 1, and support frame 2 is installed to base 1 top, installs bed die 3 on the base 1, installs the last mould 4 of liftable under the support frame 2, goes up mould 4 inside and has interior lining 8 through 7 joints of expandable hose, and 3 inside can dismantle through 5 the latch fittings that cut the fork structural formula of bed die are connected with interior lining 6 down, go up interior lining 8 and interior lining 6 formation die cavities down and be used for moulding plastics and form 3C structure.

In this embodiment, by providing the upper and lower

replaceable liners

8 and 6 inside the upper and

lower molds

4 and 3, the upper and

lower liners

8 and 6 are both made of light heat-resistant material, so that the 3C structural members manufactured inside can be changed by replacing the upper and

lower liners

8 and 6, and the 3C structural members of different specifications and different types can be manufactured.

Go up simultaneously that inside lining 8 and last mould 4 between fix through hose 7 inflation joint, hose 7 spiral setting and inside have been equipped with the cooling water greatly, can be to going up inside 8 inside cooling of inside lining, can carry out the joint locking again to going up inside lining 8, fix through latch fitting 5 of cutting the fork structural formula between inside lining 6 and the bed die 3 down, when latch fitting 5 vertically rises to the highest, peg graft with 6 bottom surface spouts 61 of inside lining down, otherwise latch fitting 5 vertically falls to when the lowest, on the one hand with inside lining 6 locking down, on the other hand to liner 6 down carry out steady decline and pack up, the realization is to lining 8 and lower inside lining 6's stable quick assembly disassembly.

The lower mold 3 is provided with a lower cavity 31 inside, the lower cavity 31 is detachably accommodated with the lower lining 6, a spiral water channel 32 is arranged in the outer side wall of the lower cavity 31, and a lower water inlet 33 and a lower water outlet 33 of the water channel 32 are arranged at the lower end.

A spiral water channel 32 is arranged in the lower die 3, and a cooling liquid flows in the water channel 32 and is used for cooling the whole lower die 3, rapidly cooling a cavity formed by the upper lining 8 and the lower lining 6 and rapidly forming a 3C structural member in the cavity.

A T-shaped receiving groove 34 is formed in the bottom of the lower receiving chamber 31, a double-headed screw 91 for driving the locking member 5 to ascend and descend is installed in the receiving groove 34, and a motor 92 is installed at one end of the double-headed screw 91. The left section and the right section of the double-end lead screw 91 are respectively provided with two lower sliding feet 52 of the locking piece 5 in a threaded manner, the locking piece 5 comprises a scissor piece 51, two lower ends of the scissor piece 51 are respectively connected with one lower sliding foot 52 in a rotating manner, two lower ends of the scissor piece 51 are respectively connected with one upper sliding foot 53 in a rotating manner, the two upper sliding feet 53 slide in a T-shaped sliding groove 61 on the bottom surface of the lower liner 6, and the middle point of the sliding groove 61 is provided with an insertion hole 62 for inserting the two parallel upper sliding feet 53.

The motor 92 is started, the rotation of the motor 92 drives the double-end screw 91 to rotate, the rotation of the double-end screw 91 moves the left and right two sections of lower sliding feet 52 towards the middle, so that the longitudinal distance of the fork element 51 is greater and the transverse distance is smaller and smaller, until the two upper runners 53 of the fork element 51 come together, and the two lower runners 52 are put together and inserted into the insertion opening 62 of the lower liner 6, so that the two upper runners 53 are inserted into the sliding groove 61, then the motor 92 is started to rotate reversely, the reverse rotation of the motor 92 drives the double-headed screw 91 to rotate reversely, the reverse rotation of the double-headed screw 91 separates the two lower runners 52, thereby separating the two upper sliding feet 53, the two upper sliding feet 53 are respectively inserted along the left and the right sections of the sliding groove 61 in a sliding way, realizing the locking of the lower lining 6, and slowly moving the lower liner 6 downwards to be retracted into the lower mold 3, so that the lower liner 6 is completely accommodated in the lower cavity 31 in the lower mold 3.

An upper cavity 41 is formed in the upper die 4, an upper lining 8 is detachably accommodated in the upper cavity 41, an injection molding pipe 81 is arranged at the upper end of the upper lining 8, and the injection molding pipe 81 is in plug-in fit with an injection port 42 formed in the upper die 4.

When the upper lining 8 is inserted into the upper cavity 41, the injection molding pipe 81 on the upper lining 8 is inserted and matched with the injection port 42 in the upper mold 4, so that the smooth connection of the injection molding liquid flow channel is ensured, and the injection molding liquid can conveniently flow into a cavity formed by the upper lining 8 and the lower lining 6 for injection molding.

The outer wall of the upper liner 8 is spirally provided with a semicircular clamping groove 82, the clamping groove 82 is matched with the hose 7 in the upper cavity 41 of the upper mold 4 in the expansion state in a spiral manner, the hose 7 is filled with cooling water, and the upper water inlet 43 of the cooling water is arranged on the side surface of the upper mold 4.

Through pouring into the cooling water into hose 7 for whole hose 7 inflation forms firm strong point, set up draw-in groove 82 looks adaptation to last inside lining 8 outer wall, simultaneously because whole mould and inside lining all set up to the rectangle, and inside hose 7 and draw-in groove 82 are the spiral and arrange, increased the area of contact between inside lining 8 and the hose 7, improved hose 7 on the one hand to the support effect of last inside lining 8, the inside cooling water of on the other hand hose 7 carries out quick cooling to last inside lining 8, the refrigerated effect has been improved.

A cooling water tank is accommodated in the base 1, a water pump is arranged in the water tank, and the water tank is respectively connected with a water inlet and a water outlet of the lower die 3 and an upper water inlet and a water outlet 43 of the upper die 4 through water pipes.

Be provided with two independent water pumps in the cooling water tank separately, one of them water pump is connected with last inlet outlet 43 of last mould 4 through the water pipe to leading-in to last mould 4 with cooling water from the water pipe, and enter into hose 7 along last inlet outlet 43 of last mould 4, fill hose 7, make hose 7 expand to bulge the back and fill the adaptation to the lateral wall draw-in groove 82 of last inside lining 8, accomplish the locking to last inside lining 8. Another water pump is connected to a lower water inlet/outlet port 33 of the lower mold 3 through a water pipe, so that cooling water is introduced into a water passage 32 of the lower mold 3 through the water pipe to cool the lower liner 6 and the heat insulating cavity 10.

The upper die 4 and the lower die 3 are provided with heat insulation cavities 10 on the outer sides of the upper cavity 41 and the lower cavity 31.

All set up thermal-insulated cavity 10 on last mould 4 and bed die 3 for with last mould 4 and bed die 3 outer wall and inside on hold chamber 41 and hold chamber 31 down and carry out simple separating, be used for gathering hot back simultaneously, carry out quick heat dissipation through equipment such as fans, reduce the heat of going up mould 4 and bed die 3 on the one hand, guarantee the security, on the other hand also is used for carrying out quick cooling.

An electric screw 21 is arranged on the support frame 2, and the electric screw 21 drives the upper die 4 to move up and down along the four support columns 22.

Support column 22 that is located four corners between support frame 2 and the base 1 is as supporting to also drive its lift by electric screw 21 along four support columns 22 with bed die 3, guaranteed the steady lift of whole bed die 3, also played spacing effect to electric screw 21's drive simultaneously.

The working principle and the using process of the invention are as follows:

A3C structural part machining and shaping method comprises the following steps:

firstly, starting an electric screw 21, and moving an upper die 4 along four support columns 22 from bottom to top by the rotation of the electric screw 21 so as to pull the upper die 4 away from a lower die 3;

step two, selecting a required upper liner 8, inserting the upper liner 8 into the upper die 4, then starting a water pump in the base 1, conveying cooling water into the upper die 4 by the water pump, and filling cooling water into a hose 7 in the upper die 4, so that the hose 7 expands to just fit a spiral clamping groove 82 formed in the outer wall of the upper liner 8, clamping and supporting the upper liner 8, and locking the upper die 4 and the upper liner 8;

step three, selecting a required lower lining 6, starting a motor 92, driving a double-end screw 91 to rotate by the rotation of the motor 92, moving the left and right sections of lower sliding feet 52 towards the middle by the rotation of the double-end screw 91, enabling the longitudinal distance of the scissor 51 to be larger and smaller, enabling the two upper sliding feet 53 of the scissor 51 to be combined together and the two lower sliding feet 52 to be combined together and to be inserted into the insertion opening 62 of the lower lining 6, enabling the two upper sliding feet 53 to be inserted into the sliding groove 61, then starting the motor 92 to rotate reversely, driving the double-end screw 91 to rotate reversely by the reverse rotation of the motor 92, separating the two lower sliding feet 52 by the reverse rotation of the double-end screw 91, separating the two upper sliding feet 53, further enabling the two upper sliding feet 53 to be respectively inserted in a sliding manner along the left and right sections of the sliding groove 61, realizing the locking of the lower lining 6, and slowly moving the lower lining 6 downwards to be packed into the lower mould 3, so that the lower liner 6 is completely accommodated in the lower cavity 31 in the lower die 3;

step four, starting the electric screw 21 to rotate, slowly descending the upper die 4 along the four support columns 22, correspondingly inserting and sealing the upper die 4 and the lower die 3, simultaneously inserting and sealing the upper lining 8 and the lower lining 6 to form a cavity, injecting liquid into an injection port 42 of the upper die 4 and an injection pipe 81 of the upper lining 8 through a liquid injection pipe, then flowing into the cavity along the injection pipe 81 to inject liquid, and waiting for cooling and forming to form a 3C structural member;

step five, after the shaping of inside 3C structure, start electric screw 21 and drive upper die 4 and slowly lift along four support columns 22 to with upper die 4 from the bed die 3 on, open the die cavity, later on restart motor 92, motor 92 drives double-end lead screw 91 and rotates, drives latch fitting 5 and warp, slowly lifts up lower inside lining 6 from bed die 3, and then takes out lower inside lining 6 from bed die 3, changes inside lining 6 and carries out the operation of moulding plastics next time.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A3C structural part machining and shaping method is characterized by comprising the following steps: the method comprises the following steps:

firstly, pulling an upper die (4) away from a lower die (3);

step two, inserting the upper liner (8) into the upper die (4) and starting the hose (7) to expand, support and clamp;

step three, retracting a locking piece (5) in the lower die (3), then putting the lower liner (6) on the locking piece (5) for clamping, and retracting the lower liner into the lower die (3) along with the descending of the locking piece (5) for retracting;

fourthly, the upper die (4) is lowered to be in plug-in sealing with the lower die (3), the upper lining (8) and the lower lining (6) are in plug-in sealing to form a cavity, liquid is injected into the cavity, and cooling forming is waited to form a 3C structural part;

and step five, the upper mold (4) is opened from the lower mold (3), the locking piece (5) is started again, the lower liner (6) is taken out from the lower mold (3), and the lower liner (6) is replaced to carry out the next injection molding operation.

2. The 3C structural part machining and shaping die is applied to the die in claim 1, and is characterized in that: including base (1), support frame (2) are installed to base (1) top, install bed die (3) on base (1), install liftable last mould (4) under support frame (2), it has inside lining (8) through expandable hose (7) joint to go up mould (4), inside can dismantle through latch fitting (5) of cutting the fork structural formula of bed die (3) is connected with down inside lining (6), go up inside lining (8) with inside lining (6) form the die cavity down and are used for moulding plastics and form 3C structure.

3. The mold for machining and shaping a 3C structural member according to claim 2, wherein: lower mould (3) inside is provided with down holds chamber (31), and this is held down chamber (31) inside can be dismantled and is acceptd lower inside lining (6), just seted up spiral helicine water course (32) in the lateral wall of holding chamber (31) down, the lower inlet outlet (33) of this water course (32) set up at the lower extreme.

4. A 3C structural member finishing and shaping mold as claimed in claim 3, wherein: the bottom of lower chamber (31) is seted up T type accepting groove (34), and the internally mounted of this accepting groove (34) is used for the drive double-end lead screw (91) that latch fitting (5) go up and down, just motor (92) are installed to the one end of double-end lead screw (91).

5. The machining and shaping mold for the 3C structural part according to claim 4, wherein: two sections spiro union installations respectively about double-end lead screw (91) two lower sliding foot (52) of latch fitting (5), latch fitting (5) are including scissors spare (51), two lower extremes of scissors spare (51) rotate respectively and connect one lower sliding foot (52), two lower extremes rotate respectively and connect one and go up sliding foot (53), two go up sliding foot (53) and slide in T type spout (61) of lower inside lining (6) bottom surface, just inserted hole (62) have been seted up in the mid point department of spout (61) and have been used for two side by side go up sliding foot (53) and insert.

6. A 3C structural member finishing and shaping mold as claimed in claim 3, wherein: the inner part of the upper mold (4) is provided with an upper cavity (41), the upper cavity (41) is detachably accommodated in the upper lining (8), the upper end of the upper lining (8) is provided with an injection molding pipe (81), and the injection molding pipe (81) is in plug-in fit with an injection port (42) formed in the upper mold (4).

7. The mold for machining and shaping a 3C structural member according to claim 6, wherein: the outer wall of the upper inner liner (8) is spirally provided with a semicircular clamping groove (82), the clamping groove (82) is matched with a hose (7) which is arranged in the upper cavity (41) of the upper mold (4) in a spiral mode and is in an expansion state, cooling water is filled in the hose (7), and an upper water inlet and outlet (43) of the cooling water is arranged on the side face of the upper mold (4).

8. The mold for machining and shaping a 3C structural member according to claim 7, wherein: a cooling water tank is accommodated in the base (1), a water pump is arranged in the water tank, and the water pump is respectively connected with a lower water inlet and outlet (33) of the lower die (3) and an upper water inlet and outlet (43) of the upper die (4) through water pipes.

9. The mold for machining and shaping a 3C structural member according to claim 6, wherein: and the upper die (4) and the lower die (3) are respectively provided with a heat insulation cavity (10) at the outer sides of the upper cavity (41) and the lower cavity (31).

10. The mold for machining and shaping a 3C structural member according to claim 2, wherein: an electric screw rod (21) is arranged on the support frame (2), and the electric screw rod (21) drives the upper die (4) to move up and down along the four support columns (22).