CN217293158U

CN217293158U - Silica gel extrusion forming split die

Info

Publication number: CN217293158U
Application number: CN202122906797.XU
Authority: CN
Inventors: 唐芳斌; 叶值桂
Original assignee: Dongguan Hongke Plastic Technology Co ltd
Current assignee: Dongguan Hongke Plastic Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-08-26
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a silica gel extrusion components of a whole that can function independently mould, including last membrane module, lower membrane module, connect the opening and shutting of going up membrane module and lower membrane module and attach together, the buffer gear of setting in last membrane module and lower membrane module, the device that opens and shuts is including connecting the last even board of last membrane module, the lower even board and the symmetry setting of connecting lower membrane module link at last board and the hydraulic cylinder at board both ends even down, it includes the framed to go up membrane module, the last seal box of setting in a plurality of last cavities of framed, the last mould benevolence that just is connected with buffer gear in the setting sealed box, lower membrane module includes framed down, the lower seal box of setting in a plurality of lower cavities of framed down, the lower mould benevolence that sets up in sealed box down and be connected with buffer gear. The utility model discloses profitable effect is that being provided with the hydraulic means who opens and shuts between mould upper die component and the lower mould component and adorning drive mould die sinking compound die, the die-casting that the silica gel product can be accomplished alone to the mould need not the silica gel hot press and is supporting and use.

Description

Silica gel extrusion molding split die

Technical Field

The utility model relates to a silica gel extrusion components of a whole that can function independently mould relates to a silica gel hot press and integrated into one piece equipment that forming die combined together.

Background

The molded silica gel product is usually solidified and formed by putting a solid silica gel raw material added with a vulcanizing agent into a high-temperature mold and then applying pressure through a vulcanizing machine. The molding equipment for the molded silica gel products at the present stage comprises two parts, namely a silica gel mold and a silica gel hot press, wherein an upper mold of the silica gel mold is arranged on a hydraulic component of the silica gel hot press, a lower mold is arranged on a fixed working table surface of the silica gel hot press, and the hydraulic component of the silica gel hot press drives an upper mold of the silica gel mold to move up and down and to open and close the mold of the lower mold.

The existing silica gel mold adopts an integrated arrangement of a mold frame and a mold core, the concave-convex shapes of all stations in a group of molds are the same, and only one silica gel product with one specification and shape can be die-cast, and if the silica gel products with other specifications and shapes need to be die-cast, the whole silica gel mold needs to be replaced. The pressure regulation of the silica gel mold suitable for the silica gel hot press is uniformly controlled by a silica gel hot press hydraulic component, and the pressure of each working position of the silica gel mold can not be regulated in a differentiation manner.

Disclosure of Invention

In order to solve the problem, the utility model provides a silica gel extrusion components of a whole that can function independently mould, be provided with the hydraulic means of drive mould die sinking compound die on the components of a whole that can function independently mould assembly and the silica gel die-casting work position that is provided with a plurality of autonomous workings in the lower mould assembly on, independently be provided with pressure buffer in each work position.

Specifically, a silica gel extrusion divides phantom utensil include last membrane module, lower membrane module, connect the opening and shutting of going up membrane module and lower membrane module and attach, set up the buffer gear in last membrane module and lower membrane module, the device that opens and shuts is including connecting the last even board of last membrane module, the lower even board and the symmetry setting of connecting lower membrane module link at last board and the hydraulic cylinder at board both ends even down, it includes the framed, the last seal box of setting in a plurality of last cavities of framed, the last mould benevolence that just is connected with buffer gear in the setting sealed box, lower membrane module includes framed down, the lower seal box of setting in a plurality of lower cavities of framed down, the lower mould benevolence that sets up in sealed box down and be connected with buffer gear.

Further, in the above-mentioned case,

the buffer mechanism is an internal pressure buffer device arranged in the upper sealing box or the lower sealing box, the internal pressure buffer device comprises a top plate, two shaft sliding rods, a pressure spring and two shaft sliding sleeves penetrating the bottom of the upper sealing box or the bottom of the lower sealing box, the top ends of the shaft sliding rods are connected with the lower end face of the top plate, the bottoms of the shaft sliding rods are slidably penetrated in the shaft sliding sleeves, and the pressure spring is sleeved on the shaft sliding rods in a penetrating manner.

Buffer gear is external pressure buffer, and external pressure buffer includes the roof, two axle slide bars and through connection set up at last even board or even axle sliding sleeve between board and the fixed plate down, pressure spring, axle sliding sleeve, wear spring pole and fixed plate, and its top of axle slide bar is connected with the terminal surface under the roof, and its bottom is slided and is worn in the axle sliding sleeve, wears its top of spring pole and is connected with terminal surface under the roof, and its bottom is slided and is worn in the last even board or even wearing the slide hole that sets up on the board down, and pressure spring wears to overlap on wearing the spring pole.

A silica gel extrusion components of a whole that can function independently mould, its work position is last mould benevolence and the lower mould benevolence that sets up in mould benevolence and the lower mould subassembly, go up mould benevolence and lower mould benevolence can dismantle the connection and be in the up end of roof. The die-casting of silica gel products with different specifications and shapes by one set of die can be realized by replacing the upper die core and the lower die core with different properties and sizes.

Further, in the above-mentioned case,

the upper die assembly further comprises a sealing ring I, and the lower die assembly further comprises a sealing ring II; the upper sealing box and the lower sealing box are respectively buckled and arranged in an upper cavity of the upper die frame and a lower cavity of the lower die frame through a sealing ring I and a sealing ring II.

And the connecting end of the upper sealing box and the lower sealing box or the connecting end of the sealing ring I and the sealing ring II is correspondingly provided with a convex strip and a groove.

The frame body of the upper mold frame or the lower mold frame is transversely provided with a hot runner in a through mode, and the hot runner is connected through a hot flow pipe arranged on the outer surface of the upper mold frame or the lower mold frame.

Preferably, the amount of the organic solvent is less than the total amount of the organic solvent,

a silica gel extrusion components of a whole that can function independently mould still including setting up under the lower mould subassembly and link two sets of smooth devices that push away between the board down, the lower mould subassembly can link the board back-and-forth movement down through pushing away smooth device.

Specifically, the sliding device comprises a bottom plate, a sliding rail arranged on the bottom plate and a sliding block penetrating and sliding on the sliding rail, the bottom plate is connected with the upper end face of the lower connecting plate, and the sliding block is connected with the lower end face of the lower die frame.

Specifically, push away smooth device and include the bottom plate, set up two slide rails on the bottom plate, wear the slider group of cunning on two slide rails, connect the driving motor who sets up in the bottom plate rear end and set up the lead screw that one end is connected with driving motor between two slide rails, slider group middle part is provided with and revolves even piece, and the lead screw passes and revolves even piece and be connected with slider group.

Compare with silica gel goods former and silica gel mould die frame and the integration setting of mould benevolence that traditional silica gel mould and silica gel hot press are constituteed, a silica gel extrusion components of a whole mould have as follows a bit.

1) A hydraulic device for driving the die opening and closing of the die is arranged between the upper die assembly and the lower die assembly of the die, and the die can be used for independently completing die casting of a silica gel product without the need of a silica gel hot press.

2) The upper die assembly and the lower die assembly are provided with a plurality of silica gel die-casting working positions (an upper die core and a lower die core in the upper sealing box and the lower sealing box) which can work independently, and the upper die core and the lower die core of different shapes and specifications can be replaced by one set of upper die assembly and lower die assembly.

3) The upper mold core and the lower mold core in the upper sealing box and the lower sealing box are independently connected with a group of buffer devices, and the pressure between the upper mold core and the lower mold core in the upper mold assembly and the lower mold assembly can be correspondingly adjusted.

Drawings

FIG. 1 is a three-dimensional structure diagram of a silica gel extrusion forming split mold

FIG. 2 is a three-dimensional exploded view of the upper mold assembly of a split mold formed by extrusion molding of silica gel

FIG. 3 is a sectional view of a mold assembly on a silica gel extrusion molding split mold (I)

FIG. 4 is a three-dimensional exploded view (II) of a split mold upper mold assembly of a silica gel extrusion molding machine

FIG. 5 is a sectional view of the upper mold assembly of a split mold formed by extruding silica gel

FIG. 6 is a three-dimensional structure diagram of the whole silica gel extrusion forming split mold of the present invention

FIG. 7 is a three-dimensional exploded view of the upper mold assembly of a split mold formed by extruding silica gel

FIG. 8 is a sectional view of a mold assembly on a silica gel extrusion molding split mold (III)

FIG. 9 is a sectional view of the upper mold assembly of the split mold formed by extruding silica gel of the present Invention (IV)

FIG. 10 is a sectional view of a silica gel extrusion molding split mold seal ring assembly

FIG. 11 is a three-dimensional structure diagram (I) of a silica gel extrusion molding split mold pushing and sliding device of the present invention

FIG. 12 is a three-dimensional structure diagram (II) of a silica gel extrusion molding split mold sliding device

Detailed Description

The structure and the specific embodiment of the silica gel extrusion forming split mold of the present invention will be further explained with reference to the accompanying drawings.

Fig. 1 fig. 6 fig. 11 shows, the utility model relates to a silica gel extrusion divides mould includes mould assembly 1, lower mould assembly 2, opens and shuts device 3 and buffer gear, and device 3 upper and lower both ends are connected with last mould assembly 1 and lower mould assembly 2 on opening and shutting, go up mould assembly 1 and lower mould assembly 2 through the 3 die sinking compound dies of device that open and shut.

In particular, the method comprises the following steps of,

as shown in fig. 1, 6 and 11, the opening and closing device 3 includes an upper connecting plate 3a connected to the upper mold assembly 1, a lower connecting plate 3b connected to the lower mold assembly 2, and hydraulic cylinders 3c symmetrically disposed on both sides of the upper connecting plate 3a and the lower connecting plate 3 b. The hydraulic oil cylinder 3c drives the upper connecting plate 3a and the lower connecting plate 3b to move relatively to drive the upper die assembly 1 and the lower die assembly 2 to open and close the dies.

Fig. 2, fig. 3, fig. 7 and fig. 8 show that the upper die assembly 1 includes an upper die frame 1a, a seal box 1b and an upper die core 1 c. The upper sealing boxes 1b are arranged in the upper cavities 1a1 of the upper die frame 1a, and the upper die core 1c is arranged in the upper sealing box 1b and connected with the buffer mechanism.

Fig. 4 and fig. 5 show fig. 9, the lower die assembly 2 includes a lower die frame 2a, a lower seal box 2b, and a lower die core 2 c. The lower sealing boxes 2b are arranged in the lower cavities 2a1 of the lower die frame 2a, and the lower die core 2c is arranged in the lower sealing boxes 2b and connected with the buffer mechanism.

The utility model relates to an its buffer gear concrete structure of silica gel extrusion components of a whole that can function independently mould and its connected mode with last mould component, lower mould component have following four kinds of embodiments.

The first specific embodiment is as follows:

as shown in fig. 2 and fig. 3, the buffer mechanism is an internal pressure buffer device 5 disposed in the upper seal box 1b, and includes a top plate a, two shaft sliding rods b, a shaft sliding sleeve d and a pressure spring c, the two shaft sliding sleeves d are disposed on the bottom ba of the upper seal box 1b in a penetrating manner, the top end of the shaft sliding rod b is connected with the lower end face of the top plate a, the bottom of the shaft sliding rod b is slidably disposed in the shaft sliding sleeve d, and the pressure spring c is sleeved on the shaft sliding rod b in a penetrating manner.

Specific example two:

as shown in fig. 4 and 5, the buffer mechanism is an internal pressure buffer device 5 disposed in the lower seal box 2b, and includes a top plate a, two shaft sliding sleeves b, a shaft sliding sleeve d and a pressure spring c, the two shaft sliding sleeves d are disposed on a bottom bb of the lower seal box 2b in a penetrating manner, a top end of the shaft sliding sleeve b is connected with a lower end face of the top plate a, a bottom of the shaft sliding sleeve d is slidably disposed in the shaft sliding sleeve d, and the pressure spring c is sleeved on the shaft sliding sleeve b in a penetrating manner.

The specific example three:

fig. 7 and 8 show that the buffer mechanism is an external pressure buffer device 6, which includes a top plate a, two shaft sliding rods b, a shaft sliding sleeve d, a pressure spring c, a spring penetrating rod e and a fixing plate f, wherein the shaft sliding sleeve d is arranged between an upper connecting plate 3a and the fixing plate f in a penetrating manner, the top end of the shaft sliding rod b is connected with the lower end face of the top plate a, the bottom of the shaft sliding rod b is arranged in the shaft sliding sleeve d in a sliding manner, the top end of the spring penetrating rod e is connected with the lower end face of the top plate a, the bottom of the spring penetrating rod e is arranged in a sliding hole g arranged in the upper connecting plate 3a in a sliding manner, and the pressure spring c is arranged on the spring penetrating rod e in a penetrating manner.

The specific embodiment three:

as shown in fig. 9, the buffering mechanism is an external pressure buffering device 6, and includes a top plate a, two shaft sliding rods b, a shaft sliding sleeve d, a pressure spring c, a spring penetrating rod e and a fixing plate f, wherein the shaft sliding sleeve d is disposed between a lower connecting plate 3b and the fixing plate f in a penetrating manner, the top end of the shaft sliding rod b is connected to the lower end face of the top plate a, the bottom of the shaft sliding rod b is slidably penetrated in the shaft sliding sleeve d, the top end of the spring penetrating rod e is connected to the lower end face of the top plate a, the bottom of the spring penetrating rod e is slidably penetrated in a sliding hole g formed in the lower connecting plate 3b, and the pressure spring c is slidably sleeved on the spring penetrating rod e.

In the specific embodiment of the internal pressure buffer 5 and the external pressure buffer 6 of the buffer mechanism, the upper mold component 1 or the lower mold component 2 is connected to the buffer mechanism in a manner that the upper end surface of the top plate a of the buffer mechanism is detachably connected to the upper mold core 1c of the upper mold component 1, and the upper end surface of the top plate a of the buffer mechanism is detachably connected to the lower mold core 2c of the lower mold component 2.

The utility model relates to a silica gel extrusion divides mould upper seal box 1b and last framed 1a or lower seal box 2b and framed 2a the two is connected and adopts following two kinds of modes down.

Referring to fig. 2, fig. 3, fig. 4, fig. 5 and fig. 10, the case body of the upper seal case 1b is sunk and directly fixed in the upper cavity 1a1 of the upper mold frame 1a, and the case body of the lower seal case 2b is sunk and directly fixed in the lower cavity 2a1 of the lower mold frame 2 a.

As shown in fig. 10, the upper die assembly 1 further includes a sealing ring I1 d, and the lower die assembly 2 further includes a sealing ring II 2 d. The sealing ring I1 d is arranged at an inner opening of the upper cavity 1a1 of the upper die frame 1a, and the upper sealing box 1b is sunk in the upper cavity 1a1 of the upper die frame 1a and is buckled and fixed through the sealing ring I1 d. The sealing ring II 2d is arranged at the inner opening of the lower cavity 2a1 of the lower die frame 2a, and the lower sealing box 2b is sunk in the lower cavity 2a1 of the lower die frame 2a and is buckled and fixed through the sealing ring II 2 d.

For the reinforcing the utility model relates to a sealed effect behind its compound die of silica gel extrusion components of a whole that can function independently mould assembly 1 or the gas tightness behind the 2 compound dies of lower mould assembly are improved.

As shown in fig. 10, a convex strip i is disposed at a connecting end of the upper sealing box 1b and the lower sealing box 2b, and a groove h is disposed at a connecting end of the lower sealing box 2b and the upper sealing box 1 b. The link of sealing ring I1 d and the two of sealing ring II 2d is provided with sand grip I, the link of sealing ring II 2d and the two of sealing ring I1 d is provided with recess h. When the upper die assembly 1 or the lower die assembly 2 is closed, the convex strips I of the upper seal box 1b or the seal ring I1 d are closely inserted and fixed in the grooves h of the lower seal box 2b or the seal ring II 2 d.

In order to accelerate the rapid curing of the silica gel between the upper mold core 1c and the lower mold core 2c after the mold is closed, referring to fig. 3, fig. 5, fig. 8 to fig. 10, frame bodies of the upper mold frame 1a and the lower mold frame 2a are transversely provided with hot runners m in a through manner, referring to fig. 2, fig. 4, the hot runners m are connected through hot flow pipes n arranged on the outer surface of the upper mold frame 1a or the lower mold frame 2 a. During the work of the silica gel hydraulic forming integrated mold, high-temperature liquid is injected into the hot runners m of the upper mold frame 1a and the lower mold frame 2a, so that the temperature inside the upper mold assembly 1 or the lower mold assembly 2 can be increased and maintained, and the silica gel extruded and formed by the upper mold core 1c and the lower mold core 2c is rapidly cured and formed.

After the upper mold assembly 1 and the lower mold assembly 2 are opened in the mold for curing and molding the silica gel in the mold, the silica gel product on the lower mold core 2c of the lower mold assembly 2 needs to be moved to the next station by manpower and a manipulator, and then a new silica gel raw material is filled. After the mold is opened, the upper and lower positions of the upper mold component 1 and the lower mold component 2 are in a vertical state, and the distance between the upper mold component and the lower mold component is small, so that the taking out of a silica gel product after the mold is opened and the filling of a silica gel raw material are slightly inconvenient.

In order to solve the problem, the utility model relates to a silica gel extrusion components of a whole that can function independently mould utensil is still including setting up under 2 and link two sets of smooth devices 7 that push away between the board 3b down, and lower module 2 can link the board 3b on the back-and-forth movement down through pushing away smooth device 7. After the mold is opened, the lower mold component 2 can be conveniently pulled out through the sliding pushing device 7, then the silica gel product can be conveniently taken out and the silica gel raw material can be conveniently filled, and the sliding pushing device adopts a manual mode or an electric drive automatic mode.

As shown in fig. 11, the sliding device 7 includes a bottom plate 7a, a slide rail 7b and a slider 7c, the lower end surface of the bottom plate 7a is connected to the upper end surface of the lower connecting plate 3b, the slide rail 7b is connected to the upper end surface of the bottom plate 7a, and the slider 7c is slidably disposed on the slide rail 7b and connected to the lower end surface of the lower mold frame 2 a.

As shown in a specific electric mode fig. 12, the sliding-pushing device 7 includes a bottom plate 7a, two slide rails 7b, a slider group 7d, a driving motor 7e and a screw rod 7f, the lower end surface of the bottom plate 7a is connected to the upper end surface of the lower connecting plate 3b, the two slide rails 7b are connected to the upper end surface of the bottom plate 7a, and the slider group 7d is slidably disposed on the slide rails 7b and is connected to the lower end surface of the lower mold frame 2 a. The driving motor 7e is connected and arranged at the rear end of the bottom plate 7a, the screw rod 7f is arranged between the two sliding rails 7b, one end of the screw rod is connected with the driving motor 7e, the middle of the sliding block group 7d is provided with a rotary connecting block 7g, and the screw rod 7f penetrates through the rotary connecting block 7g to be connected with the sliding block group 7 d. The driving motor 7e drives the screw rod 7f to rotate, and the screw rod 7f drives the sliding block set 7d to drive the lower die frame 2a to move back and forth.

The embodiment of the present invention provides a detailed introduction of a silica gel extrusion forming split mold, which is based on the idea of the embodiment of the present invention to the general technical personnel in the field, and has a change part in the specific implementation and application range. In summary, the content of the present specification should not be understood as a limitation of the present invention, and any changes made according to the design concept of the present invention are all within the protection scope of the present invention.

Claims

1. A split die for extrusion molding of silica gel is characterized by comprising an upper die component, a lower die component, an opening and closing device for connecting the upper die component and the lower die component, and a buffer mechanism arranged in the upper die component and the lower die component;

the opening and closing device comprises an upper connecting plate connected with the upper die assembly, a lower connecting plate connected with the lower die assembly and hydraulic oil cylinders symmetrically arranged at two ends of the upper connecting plate and the lower connecting plate;

the upper die assembly comprises an upper die frame, upper sealing boxes arranged in a plurality of upper cavities of the upper die frame and an upper die core arranged in the upper sealing boxes and connected with the buffer mechanism;

the lower die assembly comprises a lower die frame, lower sealing boxes arranged in a plurality of lower cavities of the lower die frame, and a lower die core arranged in the lower sealing boxes and connected with the buffer mechanism.

2. The split die for extrusion molding of silica gel as claimed in claim 1, wherein the buffer mechanism is an internal pressure buffer device disposed in the upper seal box or the lower seal box;

the internal pressure buffer device comprises a top plate, two shaft sliding rods, a pressure spring and two shaft sliding sleeves which penetrate through the bottom of the upper sealing box or the bottom of the lower sealing box;

the top end of the shaft sliding rod is connected with the lower end face of the top plate, the bottom of the shaft sliding rod is slidably sleeved in the shaft sliding sleeve, and the pressure spring is sleeved on the shaft sliding rod.

3. The silica gel extrusion molding split die as claimed in claim 1, wherein the buffering mechanism is an external pressure buffering device;

the external pressure buffer device comprises a top plate, two shaft sliding rods, a shaft sliding sleeve, a pressure spring, a shaft sliding sleeve, a spring penetrating rod and a fixed plate, wherein the shaft sliding sleeve, the pressure spring, the shaft sliding sleeve, the spring penetrating rod and the fixed plate are arranged between the upper connecting plate or the lower connecting plate and the fixed plate in a penetrating connection mode;

the top end of the shaft sliding rod is connected with the lower end face of the top plate, and the bottom of the shaft sliding rod is slidably penetrated in the shaft sliding sleeve;

the top end of the spring penetrating rod is connected with the lower end face of the top plate, the bottom of the spring penetrating rod is slidably penetrated in a sliding hole formed in the upper connecting plate or the lower connecting plate, and the pressure spring is sleeved on the spring penetrating rod in a penetrating mode.

4. The split die for extrusion molding of silicone rubber as claimed in claim 2 or 3, wherein the upper or lower die core is detachably attached to the upper end surface of the top plate.

5. The split die for extrusion molding of silica gel as claimed in claim 1, wherein the upper die assembly further comprises a sealing ring I, and the lower die assembly further comprises a sealing ring II;

go up seal box and lower seal box and be in through sealing ring I and sealing ring II lock setting respectively in the last cavity of last framed and in the lower cavity of framed down.

6. The split die for extrusion molding of silica gel as claimed in claim 1 or 5, wherein the connecting ends of the upper sealing box and the lower sealing box or the sealing rings I and II are provided with raised strips and grooves.

7. The split die for extrusion molding of silica gel as claimed in claim 1, wherein a hot runner is transversely arranged through the frame body of the upper die frame or the lower die frame;

the hot runners are connected through hot flow pipes arranged on the outer surface of the upper mold frame or the lower mold frame.

8. The split die for extrusion molding of silica gel as claimed in claim 1, further comprising two sets of pushing and sliding devices disposed between the lower die assembly and the lower connecting plate,

the lower die assembly can move back and forth on the lower connecting plate through the pushing and sliding device.

9. The split die for extrusion molding of silica gel as claimed in claim 8, wherein the sliding device comprises a bottom plate, a sliding rail disposed on the bottom plate, and a sliding block sliding on the sliding rail, the bottom plate is connected to the upper end surface of the lower connecting plate, and the sliding block is connected to the lower end surface of the lower die frame.

10. The split die for extrusion molding of silica gel as claimed in claim 8, wherein the sliding device comprises a bottom plate, two sliding rails disposed on the bottom plate, a sliding block set sliding on the two sliding rails, a driving motor connected to the rear end of the bottom plate, and a screw rod disposed between the two sliding rails and having one end connected to the driving motor;

the middle part of the sliding block group is provided with a rotary connecting block, and the screw rod penetrates through the rotary connecting block to be connected with the sliding block group.