CN114211769A - Press from both sides skin hot pressing mold structure - Google Patents

Abstract

The invention relates to the technical field of a skin-clamping hot-pressing die and discloses a skin-clamping hot-pressing die structure which comprises a skin positioning hanging needle, wherein the skin positioning hanging needle, a skin-clamping cylinder, a skin clamping base plate and a skin clamping toothed block are fixedly arranged on the skin of the skin-clamping hot-pressing die, and the skin-clamping cylinder, the skin clamping base plate and the skin clamping toothed block are in sliding connection with a skin feeding cylinder. This double-layered skin hot pressing mould structure through the design of double-layered skin hot pressing mould, through spreading the epidermis under the mould, utilizes the hanging needle location and utilizes the double-layered skin structure to press from both sides tight epidermis, goes up the mould and places the skeleton and adsorb on mould benevolence, realizes epidermis and skeleton bonding through a key is automatic, reduces hot pressing process and manpower, realizes that the epidermis is prepositioned and hot pressing is integrated to satisfy high efficiency, low cost, low manual work.

Description

Press from both sides skin hot pressing mold structure

Technical Field

The invention relates to the technical field of a skin-sandwiched hot-pressing die, in particular to a skin-sandwiched hot-pressing die structure.

Background

Under the great trend of energy conservation and emission reduction in the automobile industry, the method optimizes the product process and saves human resources, and becomes a key link for reducing the production cost and improving the competitiveness of enterprises. With the increasing of automobile demands year by year and the satisfaction of high requirements of people on the touch and vision of automobile interior parts, new high requirements are provided for the manufacturing process and the automation integration of products, and the hot pressing process of the interior parts is gradually improved from the traditional process to the new process.

The prior art has the following defects and shortcomings: the prior hot pressing process is to bond skins such as PU leather, PVC leather, chamois, fabrics, genuine leather and the like and an injection molding framework together through a hot pressing process, and the common hot pressing process needs to be performed by a skin pre-fixing tool in advance, wherein the skins and the framework are manually bonded and positioned at first, and a product with sewing threads is positioned by sewing threads; then the hot-pressing mold is taken to realize hot-pressing coating treatment; two devices and corresponding operators are required, so that the cost is increased; product circulation between the two devices also requires logistics transportation, and finished products at the pre-fixed station are transported to the pressing station, so that the cost is increased, and the production efficiency is indirectly reduced; in addition, the production rhythm of the pre-fixing tool depends on the difficulty of products and the skill of an operator, and cannot be effectively synchronized with the rhythm of the pressing station, so that the production rhythm is unstable and upstream and downstream processes are disordered;

1. a single piece of pressing equipment cannot meet the requirement of product production, and a technological process needs to be split, so that a surface pre-fixing tool needs to be independently added, and the cost is increased;

2. when the pre-fixing tool is added, the process and the operation flow become complicated, the upstream quality directly influences the result of downstream products, and the probability of defective products in the conveying process is caused by the increase of turnover times;

3. the investment in human resources is more, the technical requirements on operators are high, and special training and guidance are needed;

4. when high production beat, need put into many pairs of frock or lamination equipment and balance each other, many equipment occupation of land space are big simultaneously, all need higher requirement to power, air supply, factory building simultaneously.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a skin-sandwiched hot-pressing die structure which can solve the structural problem of the prior skin-sandwiched hot-pressing die; this device is through the thermoforming that can satisfy multiple epidermis, and the atmospheric pressure size that the application sent the skin cylinder satisfies the extension type of different epidermis, makes it can adapt to different operating modes, effective problem solving.

In order to achieve the structural purpose of the skin-sandwiched hot-pressing die, the invention provides the following technical scheme: the utility model provides a press from both sides skin hot pressing mold structure, includes epidermis location peg, double skin cylinder, epidermis press from both sides tight backing plate and epidermis press from both sides tight dentate piece fixed mounting on double-layered skin hot pressing mold epidermis, double-layered skin cylinder, epidermis press from both sides tight backing plate and epidermis press from both sides tight dentate piece and send skin cylinder sliding connection.

Preferably, one end of the leather feeding cylinder, which is close to the leather clamping cylinder, is provided with a lower die pressing insert, and the front side of the lower die pressing insert is fixedly provided with a lower die guide pillar assembly.

Preferably, the periphery of the lower die guide post assembly is provided with a skin in-place sensor, and the skin in-place sensor is fixedly connected with the skin positioning hanging needle through the skin.

Preferably, the front surface of the lower die pressing insert is fixedly provided with a lower die core, and the lower die core, the upper die core and the lower die pressing insert are fixedly connected with the upper die framework in-place sensor.

Preferably, the upper mold framework in-place sensor is fixedly connected with the upper mold vacuum chuck and the upper mold core.

Preferably, a lower die pressing insert cylinder is fixedly mounted at the bottom of the lower die pressing insert.

Preferably, the upper mold framework is fixedly provided with an upper mold support pressing insert cylinder on the front sides of the in-place sensor and the upper mold vacuum chuck.

Preferably, the bottom of the upper die support pressing insert cylinder is fixedly connected with the upper die support pressing insert.

Preferably, the bottom of the upper die supporting and pressing insert is fixedly connected with an upper die core.

Compared with the prior art, the invention provides a skin-sandwiched hot-pressing die structure, which has the following beneficial effects:

1. according to the skin-clamping hot-pressing die structure, through the design of the skin-clamping hot-pressing die, the skin is laid on the lower die of the die, the skin is positioned by using a hanging needle and clamped by using the skin-clamping structure, the framework is placed on the upper die and adsorbed on the die core, the skin is adhered to the framework through one-key automation, the hot-pressing process and manpower are reduced, skin pre-positioning and hot-pressing integration are realized, and therefore high efficiency, low cost and low labor are met;

2. this double-layered skin hot pressing mould structure, through accomplishing product multi-process integration in a mould, reduce product technology turnover simultaneously, reduce operation flow process and operating personnel demand, improved production efficiency and reduced intensity of labour. Equipment investment caused by multi-process production is replaced, and high-cost investment is removed;

3. according to the skin-sandwiched hot-pressing die structure, the pre-fixing tool and the hot-pressing die are integrated on the same auxiliary die, so that the complexity of the working procedures during multi-station operation is avoided, and the requirements of professional operators are reduced; because the product skeleton and the skin are positioned consistently by integrating the product skeleton and the skin in a pair of dies, the deviation between the skin and the skeleton position generated by positioning is avoided, and the stable size after hot press molding is ensured;

4. this press from both sides skin hot pressing mould structure through pressing from both sides among the leather clothing, can satisfy the thermoforming of multiple epidermis, and the atmospheric pressure size that the application sent the skin cylinder satisfies the extension type of different epidermis, makes it can adapt to different operating modes.

Drawings

FIG. 1 is an isometric view of a column skin clamping hot press die of the present invention;

FIG. 2 is a side view of a column skin hot pressing mold of the present invention;

FIG. 3 is a schematic view of the layout structure of the lower mold structure of the present invention;

FIG. 4 is a cross-sectional view of the lower die of the present invention;

FIG. 5 is a schematic view of the layout structure of the upper mold structure of the present invention;

FIG. 6 is a side view of the upper die of the present invention;

FIG. 7 is a schematic view of the released state of the skin-clamping device of the present invention;

FIG. 8 is a schematic view of the operating state of the skin-clamping device of the present invention.

In the figure: 1. a epidermis positioning hanging needle; 2. a leather clamping cylinder; 3. a leather feeding cylinder; 4. pressing the insert on the lower die; 5. a lower die guide post assembly; 6. a skin in-situ sensor; 7. the surface skin clamps the backing plate; 8. the epidermis clamps the tooth-shaped block; 9. a lower die core; 10. a lower die pressing insert cylinder; 11. an upper mold framework in-place sensor; 12. an upper die vacuum chuck; 13. an upper die supports a pressing insert cylinder; 14. an upper die core; 15. and the upper die supports the pressing insert.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

Referring to fig. 1-8, a skin-clamping hot-pressing mold structure comprises a skin positioning hanging needle 1, a skin-clamping cylinder 2, a skin clamping base plate 7 and a skin clamping toothed block 8 which are fixedly arranged on the skin of the skin-clamping hot-pressing mold, wherein the skin clamping cylinder 2, the skin clamping base plate 7 and the skin clamping toothed block 8 are in sliding connection with a skin feeding cylinder 3, so that the lower skin clamping cylinder 2 rapidly presses the peripheral edge of the skin, and the skin is firmly clamped through the cooperation of the skin clamping base plate 7 and the skin clamping toothed block 8.

One end of the leather feeding cylinder 3 close to the leather clamping cylinder 2 is provided with a lower die pressing insert 4, the front of the lower die pressing insert 4 is fixedly provided with a lower die guide pillar component 5, the leather feeding cylinder 3 returns to the original position, and the leather feeding cylinder 3 returns to the original position.

A skin in-place sensor 6 is arranged at the periphery of the lower die guide post component 5, the skin in-place sensor 6 is fixedly connected with the skin positioning hanging needle 1 through the skin, and the skin is manually hung on the skin positioning hanging needle 1 by utilizing a hanging needle hole on the cut skin, so that the XY positioning of the skin in the die core is realized; and allows the epidermis to be sensed in place by the underlying epidermis in-place sensor 6.

The front surface of the lower die pressing insert 4 is fixedly provided with a lower die core 9, the upper die core 14 and the lower die pressing insert 4 are fixedly connected with an upper die framework on-site sensor 11, so that temperature conduction is realized through the lower die core 9, the upper die core 14 and the water temperature inside the lower die pressing insert 4, and when the temperature penetrates through the upper die framework on-site sensor 11 to reach a glue layer, glue is activated and applied with pressure.

The upper die framework in-place sensor 11, the upper die vacuum chuck 12 and the upper die core 14 are fixedly connected, so that hot-pressing adhesion of the skin and the framework is realized automatically through one key, and the effects of high efficiency, low cost and low labor are met.

And a lower die pressing insert cylinder 10 is fixedly arranged at the bottom of the lower die pressing insert 4, and the lower die pressing insert cylinder 10 returns to the original position.

An upper mold supporting and pressing insert cylinder 13 is fixedly installed on the front sides of the upper mold framework on-position sensor 11 and the upper mold vacuum chuck 12, the injection molding framework is placed into an upper mold core 14 manually, the upper mold framework on the upper mold core 14 is sensed to be in place by the position sensor 11, the upper mold vacuum chuck 12 is started to adsorb the framework to be fixed on an upper mold, and the framework is manually moved to a safety area.

The bottom of the upper die support pressing insert cylinder 13 is fixedly connected with an upper die support pressing insert 15, and the upper die support pressing insert cylinder 13 drives the upper die support pressing insert 15 to effectively support the inverted surface and the vertical surface.

The bottom of the upper die supporting pressing insert 15 is fixedly connected with an upper die core 14, so that the upper die supporting pressing insert 15 can effectively support the inverted surface and the vertical surface.

In conclusion, the skin is paved on the lower die of the die, the hanging needle is used for positioning and the skin is clamped by the skin clamping structure, the framework is placed on the upper die and is adsorbed on the die core, the skin is automatically adhered to the framework by one key, the hot pressing process and manpower are reduced, the skin pre-positioning and hot pressing integration are realized, and the requirements for high efficiency, low cost and low labor are met; by completing the multi-process integration of the product in one die, the process turnover of the product is reduced, the operation procedures and the requirements of operators are reduced, the production efficiency is improved, and the labor intensity is reduced. Equipment investment caused by multi-process production is replaced, and high-cost investment is removed; the pre-fixing tool and the hot pressing die are integrated on the same auxiliary die, so that the complexity of the working procedure during multi-station operation is avoided, and the requirements on professional operation technicians are reduced; because the product skeleton and the skin are positioned consistently by integrating the product skeleton and the skin in a pair of dies, the deviation between the skin and the skeleton position generated by positioning is avoided, and the stable size after hot press molding is ensured; through pressing from both sides among the skin device, can satisfy the thermoforming of multiple epidermis, the application send the atmospheric pressure size of skin cylinder 3 to satisfy the extension type of different epidermis, makes it can adapt to different operating modes.

The working use process and the installation method of the invention are that when the skin-clamping hot-pressing mould structure is used, the skin is manually paved on the lower mould, and the skin is manually hung on the skin positioning hanging needle 1 by utilizing the hanging needle hole on the cut skin, so as to realize the XY-direction positioning of the skin in the mould core; the epidermis can be sensed by the epidermis in-place sensor 6 below the epidermis; manually placing the injection molding framework into an upper mold core 14, sensing the position by an upper mold framework position sensor 11 on the upper mold core 14, starting an upper mold vacuum suction disc 12 to adsorb to fix the framework on an upper mold, and manually moving the framework to a safety area; the personnel move back to the safe area and press the start button; the upper die supporting pressing insert cylinder 13 drives the upper die supporting pressing insert 15 to effectively support the inverted surface and the vertical surface, the lower die leather clamping cylinder 2 quickly compresses the peripheral edge of the surface skin, and the surface skin is firmly clamped through the cooperation of the surface skin clamping base plate 7 and the surface skin clamping tooth-shaped block 8; the epidermis positioning hanging needles 1 on two sides a are separated from the epidermis to complete the positioning function; the upper die is driven by the servo mechanism to rapidly descend to a slow descending position; the upper die slowly and uniformly descends in the slowly descending area; when the top surface of the upper die framework touches the skin, the peripheral skin clamping device is pulled by the skin to drive the skin conveying cylinder 3 to move inwards, the back-and-forth movement is realized by the air pressure inside the cylinder, and the descending distance is the moving distance driven by the peripheral skin clamping device; the epidermis is always in a tightened state by clamping the epidermis, so that the epidermis can be effectively attached to the skeleton surface, and the front surface and the side surface of the epidermis are prevented from being wrinkled in different degrees under the condition of no tightening; the mold is closed in place, the lower mold pressing insert 4 is driven by the lower mold pressing insert cylinders 10 on the two sides to move in place and realize the vertical surface skin pressing, and the pressure maintaining of the whole structure is realized through the linear slide rail and the cylinders; the temperature conduction is realized through the water temperatures in the upper and lower die cores and the upper and lower slide block inserts, when the temperature penetrates through the framework or the skin layer to reach a glue layer, the glue is activated, and after the pressure application and pressure maintaining are completed, the upper die support pressing insert cylinder 13 drives the upper die support pressing insert 15 to return to a safe position; closing the upper die vacuum chuck 12 to release vacuum adsorption; the upper die rises to a buffer area, and the lower die leather clamping cylinder 2 loosens the leather; the upper die is lifted to the top original position, the lower die leather feeding cylinder 3 returns to the original position, and the lower die pressing insert cylinder 10 returns to the original position; and manually taking out the hot-pressed product left on the lower die.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a press from both sides skin heated press mold structure which characterized in that: the skin-clamping hot-pressing die comprises a skin positioning hanging needle (1), wherein the skin positioning hanging needle (1), a skin-clamping cylinder (2), a skin clamping base plate (7) and a skin clamping toothed block (8) are fixedly arranged on the skin of the skin-clamping hot-pressing die, and the skin clamping cylinder (2), the skin clamping base plate (7) and the skin clamping toothed block (8) are in sliding connection with a skin conveying cylinder (3).

2. The skin-sandwiching hot-pressing mold structure according to claim 1, characterized in that: one end of the leather feeding cylinder (3) close to the leather clamping cylinder (2) is provided with a lower die pressing insert (4), and the front of the lower die pressing insert (4) is fixedly provided with a lower die guide post component (5).

3. The skin-sandwiching hot-pressing mold structure according to claim 2, characterized in that: the periphery of the lower die guide post component (5) is provided with a skin in-place sensor (6), and the skin in-place sensor (6) is fixedly connected with the skin positioning hanging needle (1) through the skin.

4. The skin-sandwiching hot-pressing mold structure according to claim 2, characterized in that: the front of the lower die pressing insert (4) is fixedly provided with a lower die core (9), and the lower die core (9), the upper die core (14) and the lower die pressing insert (4) are fixedly connected with an upper die framework on-site sensor (11).

5. The skin-sandwiching hot-pressing mold structure according to claim 4, wherein: the upper mold framework in-place sensor (11), the upper mold vacuum chuck (12) and the upper mold core (14) are fixedly connected.

6. The skin-sandwiching hot-pressing mold structure according to claim 2, characterized in that: and a lower die pressing insert cylinder (10) is fixedly arranged at the bottom of the lower die pressing insert (4).

7. The skin-sandwiching hot-pressing mold structure according to claim 4, wherein: and an upper die supporting and pressing insert cylinder (13) is fixedly arranged on the front surfaces of the upper die framework in-place sensor (11) and the upper die vacuum chuck (12).

8. The skin-sandwiching hot-pressing mold structure according to claim 7, wherein: the bottom of the upper die support pressing insert cylinder (13) is fixedly connected with an upper die support pressing insert (15).

9. The skin-sandwiching hot-pressing mold structure according to claim 8, wherein: the bottom of the upper die supporting pressing insert (15) is fixedly connected with an upper die core (14).

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