CN111648026A

CN111648026A - Cotton cushion block shaping die and production equipment

Info

Publication number: CN111648026A
Application number: CN202010444577.7A
Authority: CN
Inventors: 张�浩; 赵海力
Original assignee: Baoding Mianjin Auto Interior Manufacture Co ltd
Current assignee: Baoding Mianjin Auto Interior Manufacture Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2020-09-11
Anticipated expiration: 2040-05-23
Also published as: CN111648026B

Abstract

The invention belongs to the technical field of cushion block processing equipment, and provides a cotton cushion block shaping die which comprises a male die, a female die, a movable pressing block and a pressing block, wherein a die cavity is formed between the male die and the female die, a pressing cavity is arranged on the female die, and the pressing cavity is communicated with the die cavity. The linear driving device is arranged in the female die and is connected with the dynamic pressure block to drive the dynamic pressure block to move or hinged with the dynamic pressure block to drive the dynamic pressure block to swing. A first steam chamber is formed in the male die, and a second steam chamber is formed in the female die. A first steam through hole is formed in the female die and is used for communicating the second steam chamber with the die cavity; through above-mentioned technical scheme, the problem that one shot forming, secondary shearing, it is wasted time and energy, suppression effect is poor among the prior art has been solved.

Description

Cotton cushion block shaping die and production equipment

Technical Field

The invention belongs to the technical field of cushion block processing equipment, and relates to a cotton cushion block shaping mold and production equipment.

Background

The cotton cushion block is paved on the bottom surface inside the automobile, so that the bottom in the automobile is protected, and the sound insulation and shock resistance are realized. The existing cotton cushion block product is formed by a carding machine through carding and spreading to form a sheet semi-finished product, then a white cotton block die is subjected to compression molding, cooling, pressure maintaining and shaping through a heating means, and finally a cutting die is used for cutting and forming through a straight cutting machine. At present, the existing process is complicated in working procedure, complicated in processing step and more in related equipment; the waste discharge of the rim charge is large, even the size of the waste is larger than the actual size of the product due to the shapes of certain products, so that the product cost is high; the die is formed in one step and cut in two steps, so that the development cost of the die is high if a die cutting mode is adopted; the plates have the same density, and the realization of local high density is complicated; the press cutting technology of the cutting die press has poor positioning stability, poor product consistency, easy deviation and high rejection rate.

Disclosure of Invention

The invention provides a cotton cushion block shaping die and production equipment, and solves the problems of low pressing efficiency and poor effect of a cotton cushion block in the prior art.

The technical scheme of the invention is realized as follows:

a cotton cushion block shaping mold comprises

A die cavity is formed between the male die and the female die, a compaction cavity is arranged on the female die and is communicated with the die cavity,

also comprises

And the movable pressing block is movably or swingably arranged in the pressing cavity.

As a further technical solution, it is proposed that,

the linear driving device is arranged in the female die and is connected with the dynamic pressure block to drive the dynamic pressure block to move or hinged with the dynamic pressure block to drive the dynamic pressure block to swing.

As a further technical solution, it is proposed that,

a first steam chamber is formed in the male die, and a second steam chamber is formed in the female die.

As a further technical solution, it is proposed that,

a first steam through hole is formed in the female die and is used for communicating the second steam chamber with the die cavity;

and a second steam vent is arranged on the male die and is used for communicating the die cavity with the first steam chamber.

As a further technical proposal, the method also comprises

A guide member in which the dynamic pressure block is slidably disposed,

the linear driving device is a cylinder, and a piston rod of the linear driving device penetrates through the guide piece.

As a further technical solution, it is proposed that,

the female die comprises

A box body, the first steam chamber is arranged on the box body,

the forming box is arranged in the first steam cavity and provided with the die cavity;

the male die comprises a male die and a female die,

a cover body, the cover body is covered on the box body,

the pressing block is arranged on the cover body and used for pressing the cotton pads paved in the die cavity, and a second steam cavity is formed in the pressing block.

As a further technical scheme, a third steam chamber is arranged on the cover body and communicated with the second steam chamber,

also comprises

A steam inlet which is arranged on the cover body and is communicated with the third steam chamber,

and the steam outlet is formed in the box body and communicated with the first steam chamber.

As a further technical proposal, the method also comprises

A guide post arranged on the cover body and used for guiding the pressing block and the die cavity when the pressing block and the die cavity are assembled,

the heat preservation layer is arranged on the box body and the cover body.

The invention also provides a cotton cushion block production device, which comprises the shaping mold and is characterized by also comprising the cotton cushion block production device and the shaping mold which are connected in sequence

A cotton mixing box is arranged at the bottom of the cotton mixing box,

a cotton storage box is arranged at the bottom of the cotton box,

a carding machine,

a melt-blowing machine,

also comprises

An output pipe, one end of the output pipe is connected with a discharge hole of the melt-blowing machine,

the other end of the output pipe is arranged on the manipulator, the manipulator is arranged on one side of the shaping mold and is used for transporting the output pipe to lay a cotton pad in the mold cavity,

a boiler for providing steam into the first and second steam chambers.

As a further technical scheme, the cotton storage box comprises a cotton storage box body and a cotton storage box body which are connected in sequence

A first cotton storage box, a second cotton storage box,

the second stores up the hopper, the second stores up the hopper volume and is less than the first hopper volume that stores up.

As a further technical scheme, an oven is used for drying the cotton cushion block taken out of the sizing die.

The working principle and the beneficial effects of the invention are as follows:

the invention uses a shaping mould containing a contour, mixed and carded white cotton is injected into a mould cavity through wind pressure, then the mould is closed for pressing, after mould closing and prepressing, steam is used for heating and shaping a product, and then the product is cooled. And taking the part after opening the die, and finishing the product processing. The production process is equivalent to connecting the production process of the white cotton sheet with the die pressing process, so that the intermediate cutting and circulating links are omitted, meanwhile, the process link of cutting by the cutting die can be omitted by injecting materials for forming the product outline, so that unnecessary scraps are not generated, the problem of inaccurate precision of secondary cutting die processing is avoided, and the forming efficiency of the product is greatly improved.

According to the invention, the cotton pad base materials are preliminarily mixed through the cotton mixing box, then conveyed to the first cotton storage box through a pipeline for further mixing for later use, then conveyed to the second cotton storage box with a smaller size through a pipeline for more sufficient mixing, and further conveyed to the carding machine for carding, so that the cotton is carded in order. The orderly white cotton is conveyed to a melt-blowing machine above the die through a conveying belt, and the white cotton is output through an output pipe through melt-blowing. The output pipe is fixed by the manipulator, and the cotton paving in the mold is carried out according to a preset path through the program setting of the manipulator, and the cotton paving amount and the path are controlled by the path and the speed of the manipulator. Upon completion, the mold is closed, forming a sealed cavity. Steam produced by the boiler is injected into the die cavity through a pipeline to form pressure maintaining under certain pressure, and the temperature is increased to shape the cotton pad. And then cooling by cold air to shape the white cotton. And opening the die, taking out the workpiece, and finishing the machining process.

The processing technology is simplified, the automation degree is greatly improved, and the number of workers in the production process is greatly reduced; after the forming is omitted, the processing technology that a press is matched with a cutting die still needs to be adopted, so that the processing time is saved; in the forming process, the raw materials are fully used, and no waste is discharged; the manipulator can be set by a program, so that the effect of improving the local density can be achieved by locally reducing the linear speed or repeating the path, the hardness and the support property are locally improved, and the bottleneck that the local density or thickness can not be increased during plate processing is solved; one set of die can realize the requirements of the forming thickness and the outline, and the development cost of a new product is reduced; because the punching process is cancelled, secondary positioning is not needed, and direct compression molding is carried out, so that various sizes are more accurate, and the consistency of products is greatly improved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

FIG. 2 is a schematic cross-sectional view of the cover of the present invention;

FIG. 3 is a schematic sectional view of the case according to the present invention;

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

FIG. 5 is a schematic view of a mold cavity according to the present invention;

FIG. 6 is a schematic diagram of a compact structure according to the present invention;

FIG. 7 is a schematic view of the construction of the forming box of the present invention;

FIG. 8 is a schematic view of a local density adjusting apparatus according to the present invention;

FIG. 9 is a schematic structural view of a cotton pad block production apparatus according to the present invention;

in the figure: a-male die, B-female die, D-third die, 1-box body, 01-first steam chamber, 2-forming box, 3-die cavity, 4-cover body, 5-pressing block, 02-second steam chamber, 500-first steam through hole, 600-second steam through hole, 03-third steam chamber, 300-steam inlet, 400-steam outlet, 6-local density adjusting device, 61-driving cylinder, 62-dynamic pressing block, 63-guiding piece, 7-heat insulation layer, 8-guide column, 10-cotton mixing box, 20-cotton storage box, 30-carding machine, 40-melt-blowing machine, 50-output pipe, 60-mechanical arm, 70-boiler, 201-first cotton storage box and 202-second cotton storage box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-9, the present invention provides a cotton pad setting mold,

comprises that

A die cavity 3 is formed between the male die A and the female die B, a compaction cavity D is arranged on the female die and is communicated with the die cavity 3,

also comprises

And the movable pressing block 62 is movably or swingably arranged in the compaction chamber D.

Further, the device also comprises a linear driving device 61 which is arranged in the female die B and is connected with the movable pressing block 62 to drive the movable pressing block to move or is hinged with the movable pressing block 62 to drive the movable pressing block to swing.

Further, a first steam chamber 01 is formed in the male die A, and a second steam chamber 02 is formed in the female die B.

In the embodiment, a shaping mold containing a contour is used, specifically, a male mold A is used as an upper mold and a female mold B is used as a lower mold, mixed and combed white cotton is injected into a mold cavity 3 through wind pressure, then a cover body 4 is installed on a box body 1, so that a pressing block 5 and the inner wall of the mold cavity 3 are subjected to mold closing and pressing, after mold closing and prepressing, steam is introduced into a first steam cavity 01 on the box body 1 and a second steam cavity 02 on the pressing block 5, and the product is heated and shaped through heat conduction by the steam. Meanwhile, steam is introduced into the first steam chamber 01 and the second steam chamber 02, certain pressure can be guaranteed, air leakage is avoided, and the pressing effect is enhanced. And taking the part after opening the die, and finishing the product processing. The production process is equivalent to connecting the production process of the white cotton sheet with the die pressing process, so that the intermediate cutting and circulating links are omitted, meanwhile, the process link of cutting by the cutting die can be omitted by injecting materials for forming the product outline, so that unnecessary scraps are not generated, the problem of inaccurate precision of secondary cutting die processing is avoided, and the forming efficiency of the product is greatly improved.

Further, a first steam through hole 500 is formed in the female die B, and the first steam through hole 500 is used for communicating the second steam chamber 02 with the die cavity 3; the male die A is provided with a second steam vent 600, and the second steam vent 600 is used for communicating the die cavity 3 with the first steam chamber 01. The first steam vent 500 is arranged at the bottom of the die cavity of the female die B, and the second steam vent 600 is arranged at the bottom of the male die A, so that good steam delivery is realized for the cotton pad.

Be provided with first steam vent 500 on the lower surface of briquetting 5 in this embodiment, make briquetting 5 carry out the in-process of suppression to cotton pad, can carry steam to the cotton pad of pre-compaction, better completion cotton pad's design increases production quality.

Be provided with second steam vent 600 on the lower surface of forming box 2 in this embodiment, make briquetting 5 at the in-process that carries out the suppression to cotton pad, steam in the first steam cavity 01 gets into through the second steam vent 600 of forming box 2's lower surface, make in the die cavity and first steam cavity 01 through first steam vent 500 and second steam vent 600, form the state with the temperature with the pressure in the second steam cavity 02, the cotton pad to the pre-compaction is stereotyped, better completion cotton pad's design, increase production quality.

Further, also comprises

A guide member 63, a dynamic pressure block 62 is slidably disposed in the guide member 63,

the linear drive 61 may be a pneumatic cylinder with its piston rod passing through the guide 63.

The local density adjusting device 6 in this embodiment includes a linear driving device 61, a dynamic pressure block 62, and a guide 63, and is beneficial to adjusting the density of places with different cushion block density requirements. If the required density of the part is large, the driving cylinder 61 is only required to drive the movable pressing block 62 to move downwards in the guide part 63 before the die cavity 3 is filled, a groove is formed between the movable pressing block 62 and the inner wall of the guide part 63, then a cotton pad is paved in the groove in the filling process, then the cotton pad is paved in the whole die cavity 3, after paving is completed, the driving cylinder 61 drives the movable pressing block 62 to move upwards, the movable pressing block 62 and the bottom surface of the die cavity 3 jointly form a pressing surface, then the cover body 4 is installed on the box body 1, the movable pressing block 62 and the bottom surface of the die cavity 3 jointly form the pressing surface, the pressing surface and the pressing block 5 jointly press the paved cotton pad, and therefore forming of the cushion block is completed, and the requirement of large density of the part is met.

If the required density of the part is small, only need make actuating cylinder 61 drive movable pressing block 62 earlier before filling die cavity 3 and move up in guide 63, make movable pressing block 62 form the arch on die cavity 3 bottom surface, then lay the cotton pad to the space beyond this arch earlier in the filling process, lay the cotton pad in whole die cavity 3 again, lay and accomplish the back, actuating cylinder 61 drives movable pressing block 62 and moves down, make movable pressing block 62 and die cavity 3 bottom surface form a pressure face jointly, install lid 4 on box 1 again, make movable pressing block 62 and die cavity 3 bottom surface form this pressure face jointly and briquetting 5 and suppress the cotton pad of laying jointly, thereby accomplish the shaping of cushion, and accord with the demand that part density is small, reasonable in design, therefore, the clothes hanger is strong in practicability.

Further, one end of the dynamic pressure block 62 close to the forming box 2 is concave-convex, and a wedge-shaped block is arranged on the end face of the dynamic pressure block 62 close to the forming box 2.

According to actual requirements, the through hole can be opened at any part of the bottom surface of the molding box 2, that is, the movable pressing block 62 can be arranged at any part of the bottom surface of the molding cavity 3, and the shape of the movable pressing block 62 can also be determined according to the requirements of actual requirements.

Further, the female die B comprises

A box body 1, a first steam chamber 01 arranged on the box body 1,

the forming box 2 is arranged in the first steam chamber 01, and a mold cavity 3 is formed in the forming box 2;

the male die A comprises a male die A and a female die B,

a cover body 4, the cover body 4 is covered on the box body 1,

briquetting 5, briquetting 5 set up on lid 4 for the cotton pad of laying in the die cavity 3 is suppressed, has seted up second steam cavity 02 in the briquetting 5.

Further, a third steam chamber 03 is arranged on the cover body 4, the third steam chamber 03 is communicated with the second steam chamber 02, and the steam generator further comprises

A steam inlet 300, the steam inlet 300 is arranged on the cover body 4 and is communicated with the third steam chamber 03,

and the steam outlet 400 is arranged on the box body 1, and the steam outlet 400 is communicated with the first steam chamber 01.

Be provided with third steam cavity 03 on lid 4 in this embodiment, third steam cavity 03 and second steam cavity 02 intercommunication directly let in steam to third steam cavity 03 in, make steam be full of second steam cavity 02, the installation and the operation of being convenient for, increase pressure intensity simultaneously guarantees the fashioned quality of suppression.

Inlet port 300 sets up on lid 4, and outlet port 400 sets up on box 1, and when carrying out the mould pressing to the raw materials in the production process, divide into pressurization stage, pressurize stage and cooling stage, specifically do:

in the pressurizing stage, steam enters the third steam chamber 03 and the third steam chamber 02 from the steam inlet 300, enters the mold cavity 3 through the first steam through hole 500 to pressurize and shape the cotton pad, enters the first steam chamber 01 through the second steam through hole 600, the steam outlet 400 is closed at the moment, and the steam is continuously input from the steam inlet 300 in the process to ensure that the first steam chamber 01, the third steam chamber 03 and the third steam chamber 02 are filled with steam and reach certain pressure;

a pressure maintaining stage, wherein after the internal pressure reaches a certain value, the steam inlet 300 is closed, the steam outlet 400 is still closed, and the cotton pad in the mold cavity 3 is in a pressure maintaining state, so that the pressure maintaining and the shaping of the cotton pad are effectively realized;

in the cooling stage, the steam inlet 300 and the steam outlet 400 are both opened, and cold air or normal temperature air is continuously introduced into the steam inlet 30, so that the product is well cooled and shaped, and the whole ventilation process is completed.

The three stages are used for carrying out die pressing and shaping on the die-pressed raw materials, the design is reasonable, and the quality of the die pressing and shaping is ensured. The steam inlet 300, the steam outlet 400, the first steam through hole 500 and the second steam through hole 600 enable steam to fully penetrate through the cotton pad for shaping, and the shaping effect is improved. Meanwhile, it should be noted that the steam inlet 300 may be disposed on either the male mold a or the female mold B, and the corresponding steam outlet 400 may be disposed on either the female mold B or the male mold a.

Further, also comprises

A guide post 8, the guide post 8 is arranged on the cover body 4 and is used for guiding when the pressing block 5 and the die cavity 3 are matched,

and the heat preservation layer 7 is arranged on the box body 1 and the cover body 4.

All be provided with heat preservation 7 on box 1 and the lid 4 in this embodiment, heat preservation 7 can be aerogel felt for the temperature can be kept between 3 die cavities, and the energy loss that greatly reduced heat-conduction brought, and the stealthy damage that causes equipment that reduces heat-conduction and bring, the temperature of greatly reduced mould surface improves the security of production simultaneously.

Also provides a cotton cushion block production device, which comprises a shaping mould and is characterized by also comprising a plurality of sequentially connected shaping moulds

The cotton-mixing box 10 is provided with a cotton-mixing box,

the cotton storage box 20 is provided with a cotton storage box,

the carding machine (30) is provided with a carding machine,

a melt-blowing machine (40) for blowing,

also comprises

An output pipe 50, one end of the output pipe 50 is connected with a discharge hole of the melt-blowing machine 40,

the other end of the output pipe 50 is arranged on the manipulator 60, the manipulator 60 is arranged at one side of the shaping mould and is used for transporting the output pipe 50 to lay cotton pads in the mould cavity 3,

a boiler 70, the boiler 70 being for providing steam into the first steam chamber 01 and into the second steam chamber 02.

In this embodiment, the cotton pad substrate is primarily mixed through the cotton mixing box 10, and then is conveyed to the cotton storage box 20 through a pipeline for further mixing and standby, and then is conveyed to the carding machine 30 for carding, so that the cotton is combed orderly. The ordered white cotton is conveyed to a melt-blowing machine 40 above the die by a conveyor belt, and the white cotton is output through an output pipe 50 with the diameter of 30mm by melt-blowing. The output pipe 50 is fixed by a manipulator 60, and the cotton is paved in the mould according to a preset path through the program setting of the manipulator 60, wherein the cotton paving amount and the path are controlled by the path and the speed of the manipulator 60. Upon completion, the mold is closed, forming a sealed cavity. Steam produced by the boiler 70 is injected into the die cavity 3 through a pipeline to form pressure maintaining under certain pressure, and the temperature is increased to shape the cotton pad. And then cooling by cold air to shape the white cotton. And opening the die, taking out the workpiece, and finishing the machining process. Reasonable in design has practiced thrift processing man-hour, avoids the material amount extravagant.

Further, the cotton storage box 20 comprises a plurality of cotton storage boxes connected in sequence

A first cotton storage box 201 is arranged on the cotton box,

a second cotton storage box 202, wherein the volume of the second cotton storage box 202 is smaller than that of the first cotton storage box 201.

The cotton pad substrate carries out preliminary mixing through mixing cotton case 10 in this embodiment, then carries first storage cotton case 201 through the pipeline and further mixes for subsequent use, and the second of rethread pipeline transport smaller size stores up cotton case 202, carries out more abundant mixture, increases the suppression effect.

Further, also comprises

And the oven is used for drying the cotton cushion block taken out of the sizing die.

After the product is processed, the product uniformly enters the oven to be dried, so that the product is dehydrated, and the whole product is processed.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cotton cushion block shaping die is characterized by comprising

A male die (A) and a female die (B), a die cavity (3) is formed between the male die (A) and the female die (B), a compaction cavity (D) is arranged on the female die (B), the compaction cavity (D) is communicated with the die cavity (3),

also comprises

And the movable pressing block (62) is movably or swingably arranged in the compaction cavity (D).

2. The cotton cushion block shaping mold according to claim 1,

the die further comprises a linear driving device (61) which is arranged in the female die (B) and is connected with the movable pressing block (62) to drive the movable pressing block to move or is hinged with the movable pressing block (62) to drive the movable pressing block to swing.

3. The cotton cushion block shaping mold according to claim 1,

a first steam chamber (01) is formed in the male die (A), and a second steam chamber (02) is formed in the female die (B).

4. The cotton cushion block shaping mold according to claim 1,

a first steam through hole (500) is formed in the female die (B), and the first steam through hole (500) is used for communicating the second steam cavity (02) with the die cavity (3);

and a second steam vent (600) is arranged on the male die (A), and the second steam vent (600) is used for communicating the die cavity (3) with the first steam chamber (01).

5. The cotton pad sizing die as claimed in claim 1, further comprising

A guide member (63), wherein the movable pressing block (62) is arranged in the guide member (63) in a sliding manner,

the linear drive (61) is a pneumatic cylinder and its piston rod passes through the guide (63).

6. The cotton cushion block shaping mold according to claim 1,

the female die (B) comprises

A box body (1), the first steam chamber (01) is arranged on the box body (1),

the forming box (2) is arranged in the first steam chamber (01), and the forming box (2) is provided with the mold cavity (3);

the male die (A) comprises a male die (A),

a cover body (4), the cover body (4) is covered on the box body (1),

briquetting (5), briquetting (5) set up on lid (4), be used for right the cotton pad of laying in die cavity (3) is suppressed, second steam cavity (02) have been seted up in briquetting (5).

7. A cotton cushion block shaping mold according to claim 6, characterized in that a third steam chamber (03) is arranged on the cover body (4), the third steam chamber (03) is communicated with the second steam chamber (02),

also comprises

A steam inlet (300), the steam inlet (300) is arranged on the cover body (4) and is communicated with the third steam chamber (03),

and the steam outlet (400) is formed in the box body (1) and communicated with the first steam chamber (01).

8. The cotton pad sizing die as claimed in claim 6, further comprising

A guide post (8), wherein the guide post (8) is arranged on the cover body (4) and used for guiding when the pressing block (5) and the die cavity (3) are matched,

the heat insulation layer (7), the heat insulation layer (7) is arranged on the box body (1) and the cover body (4).

9. A cotton cushion block production device comprising the sizing die as claimed in any one of claims 1 to 8, and further comprising sequentially connected sizing dies

A cotton mixing box (10),

a cotton storage box (20),

a carding machine (30),

a melt-blowing machine (40),

also comprises

An output pipe (50), one end of the output pipe (50) is connected with a discharge hole of the melt-blowing machine (40),

the other end of the output pipe (50) is arranged on the mechanical arm (60), the mechanical arm (60) is arranged on one side of the shaping mold and used for conveying the output pipe (50) to lay a cotton pad in the mold cavity (3),

a boiler (70), the boiler (70) being adapted to provide steam into the first steam chamber (01) and into the second steam chamber (02).

10. A cotton-padded mattress production apparatus as claimed in claim 9, wherein said hopper (20) comprises a series of connected cotton-padded mattress portions

A first cotton storage box (201),

a second hopper (202), the volume of the second hopper (202) being smaller than the volume of the first hopper (201),

also comprises

And the drying oven is used for drying the cotton cushion block taken out of the sizing die.