CN115609838A

CN115609838A - Automotive interior foaming mold capable of quantitatively injecting materials

Info

Publication number: CN115609838A
Application number: CN202211609993.3A
Authority: CN
Inventors: 冯峰; 吴浩; 洪霏; 周小兵
Original assignee: Nantong Chaoda Machinery And Technology Co ltd
Current assignee: Nantong Chaoda Machinery And Technology Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-01-17
Anticipated expiration: 2042-12-15
Also published as: CN115609838B

Abstract

The automobile interior foaming mold capable of quantitatively injecting materials comprises a bottom support, wherein an upper mold support is hinged to one side of the upper end of the bottom support, a lower mold is fixed to the upper end face of the bottom support, an upper mold is fixed to the inner side of the upper mold support through a bolt, a surplus material collecting mechanism can completely collect foaming agents injected by a material injecting mechanism, waste of the foaming agents is reduced, hole injection is adopted in a mold closing state, harmful gas generated when the foaming agents volatilize is reduced and diffused into air, matching of an internal rotating ball and a semicircular pipe can improve the spreading area of the foaming agents in a mold cavity under the condition of hole injection, and the quality of a foaming finished product is improved.

Description

Automotive interior foaming mold capable of quantitatively injecting materials

Technical Field

The invention relates to the related field of automotive interior foaming molds, in particular to an automotive interior foaming mold capable of quantitatively injecting materials.

Background

The foaming material has the characteristics of light weight and good softness, and has the functions of buffering, sound absorption, shock absorption, heat preservation, filtration and the like, and is widely applied to the manufacturing of automotive interiors such as seats and instrument panels.

Disclosure of Invention

The invention aims to provide an automotive interior foaming mold capable of quantitatively injecting materials, so as to solve the problems.

The technical purpose of the invention is realized by the following technical scheme: an automotive interior foaming mold capable of quantitatively injecting materials comprises a bottom support, wherein an upper mold support is hinged to one side of the upper end of the bottom support, a lower mold is fixed to the upper end face of the bottom support, an upper mold is fixed to the inner side of the upper mold support through bolts, hydraulic cylinders are symmetrically arranged on two sides of the bottom support, the lower ends of the hydraulic cylinders are in rotating fit with the side face of the bottom support, and the upper ends of the hydraulic cylinders are in rotating fit with the outer side face of the upper mold support;

a spherical opening which is communicated up and down is arranged in the upper die, a rotating ball is arranged in the spherical opening in a rotating fit manner, the lower end face of the rotating ball is matched with the cavity wall in the upper die, a material injection through hole which passes through the center of a circle and is horizontally communicated is arranged in the rotating ball, and a polygonal slot with the extending direction passing through the center of a circle is arranged on the side face of the rotating ball;

go up the mould upside and be equipped with the clout and collect the mechanism, the clout is collected the mechanism and is included with go up the mould and be the thermoblock that centre of a circle annular was arranged, the thermoblock up end is fixed with circular guide rail, sliding fit is equipped with on the circular guide rail the turning ball is centre of a circle central symmetrical arrangement's guide rail slider A, guide rail slider A upside be equipped with two with the turning ball is central symmetrical arrangement's arc guide rail, arc guide rail both ends respectively with both sides guide rail slider A up end is fixed, both sides be equipped with between the arc guide rail with the turning ball is central symmetrical arrangement's guide rail slider B, guide rail slider B extend to both sides and with both sides arc guide rail sliding fit, guide rail slider B one side sliding fit is equipped with the semicircle pipe, both sides position when the semicircle pipe contacts with arc guide rail centre of a circle coincidence.

Preferably, the semicircle pipe with rail block B laminating one side is equipped with the flute profile groove, with the gear chamber has been seted up to semicircle pipe laminating one side, the gear intracavity be equipped with flute profile groove meshing's gear, rail block B internal fixation has motor B, the motor B motor shaft with gear fixed connection.

Preferably, the guide rail sliding block A is internally provided with driving wheels clamped at two sides of the circular guide rail, the guide rail sliding block B is internally provided with driving wheels clamped at two sides of the arc-shaped guide rail, and the driving wheels are driven by independent motors and controlled by a control chip.

Preferably, the heat insulation blocks are made of materials with high temperature resistance and poor heat conductivity so as to avoid excessive heat conduction to the mechanism above the upper die when the die works.

Preferably, it is equipped with the bracing piece that upwards extends to go up the mold support up end, be equipped with the opening orientation in the bracing piece the chamber B that slides of rolling ball, sliding fit is equipped with and extends to slide the sliding block in the chamber B opening outside, it is fixed with electro-magnet B to slide chamber B and keep away from opening one end chamber wall, the terminal surface is fixed with hydraulic telescoping rod under the sliding block, the terminal surface is fixed with the clout scraper blade under the hydraulic telescoping rod.

Preferably, the sliding block has magnetism near one end of the electromagnet B.

Preferably, a sliding cavity A which coincides with the axis of the polygonal slot and is communicated with the spherical opening is formed in the upper die, a sliding shaft is arranged in the sliding cavity A in a sliding fit mode, and the shape of one end, close to the spherical opening, of the sliding shaft is consistent with that of the polygonal slot and can be inserted into the polygonal slot.

Preferably, go up the mould support internal fixation and have motor A, motor A motor shaft extends to in the axle that slides and spline fit, the cover is equipped with electro-magnet A on the motor A motor shaft.

Preferably, the sliding shaft has magnetism near one end of the motor a.

Preferably, the ends of the semicircular pipes on the two sides form a circular hole when being attached.

Preferably, a control chip is arranged in the upper die support and can control the operation of each mechanism in the device according to setting.

Preferably, the circle center of the arc-shaped guide rail coincides with the circle center of the rotating ball.

In conclusion, the invention has the following beneficial effects:

1. the excess material collecting mechanism can completely collect the foaming agent injected by the injecting mechanism and flows out, so that the waste of the foaming agent is reduced, the hole injecting is adopted in a die assembly state, so that the harmful gas generated when the foaming agent volatilizes is reduced from diffusing into the air, and the matching of the internal rotating ball and the semicircular pipe can improve the spreading area of the foaming agent in the die cavity under the condition of hole injection, so that the quality of a foaming finished product is improved.

2. The invention can realize quantitative and equivalent material injection of each mold under the condition of only controlling the moving speed of the material injection device, and the material injection device can inject materials to the lower mold without stopping along the linear movement, thereby improving the material injection efficiency.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

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

FIG. 2 is a schematic partial cross-sectional view of the structure of FIG. 1A according to an embodiment of the present invention;

FIG. 3 is a schematic perspective view, partially in section, of an upper mold in an embodiment of the present invention;

FIG. 4 is an exploded schematic view of a slip axis in an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a remainder collection mechanism in an embodiment of the invention;

FIG. 6 is a partial cross-sectional view of the perspective B in FIG. 5 according to an embodiment of the present invention;

FIG. 7 is a schematic perspective view of a guide rail slider A according to an embodiment of the present invention;

FIG. 8 is a schematic top view of a slug collecting mechanism in an embodiment of the present invention;

FIG. 9 is a schematic perspective view of the excess material collecting mechanism in an operating state according to an embodiment of the present invention;

FIG. 10 is a schematic view of an embodiment of the present invention during production on a production line.

In the figure: 11. a bottom bracket; 12. an upper die support; 13. a hydraulic cylinder; 21. a lower die; 31. an upper die; 32. a spherical opening; 33. a motor A; 34. a slip axis; 35. an electromagnet A; 38. a sliding cavity A; 41. rotating the ball; 42. injecting a material through hole; 43. a polygonal slot; 51. a heat insulation block; 52. a circular guide rail; 53. a guide rail slide block A; 54. an arc-shaped guide rail; 55. a guide rail slide block B; 56. a gear cavity; 57. a gear; 58. a motor B; 61. a semicircular tube; 62. a toothed groove; 80. a support bar; 81. a sliding cavity B; 82. an electromagnet B; 84. and (4) a sliding block.

Detailed Description

The automobile interior foaming mold capable of quantitatively injecting materials is described by combining the attached drawings 1-10, and comprises a bottom support 11, wherein one side of the upper end of the bottom support 11 is hinged with an upper mold support 12, the upper end surface of the bottom support 11 is fixedly provided with a lower mold 21, the inner side of the upper mold support 12 is fixedly provided with an upper mold 31 through bolts, hydraulic cylinders 13 are symmetrically arranged on two sides of the bottom support 11, the lower ends of the hydraulic cylinders 13 are in rotating fit with the side surface of the bottom support 11, and the upper ends of the hydraulic cylinders 13 are in rotating fit with the outer side surface of the upper mold support 12;

a vertically through spherical opening 32 is arranged in the upper die 31, a rotating ball 41 is arranged in the spherical opening 32 in a rotating fit manner, the lower end surface of the rotating ball 41 is matched with the wall of the cavity in the upper die 31, a material injection through hole 42 which passes through the center of a circle and is horizontally through is arranged in the rotating ball 41, and a polygonal slot 43 which extends in the direction passing through the center of a circle is arranged on the side surface of the rotating ball 41;

go up the mould 31 upside and be equipped with clout and collect the mechanism, the clout is collected the mechanism and is included with go up the heat insulating block 51 that mould 31 arranged for the centre of a circle annular, heat insulating block 51 up end is fixed with circular guide rail 52, sliding fit is equipped with on circular guide rail 52 the rolling ball 41 is the guide rail slider A53 of centre of a circle central symmetry arrangement, guide rail slider A53 upside be equipped with two with rolling ball 41 is the arc guide rail 54 of central symmetry arrangement, arc guide rail 54 both ends respectively with both sides guide rail slider A53 up end is fixed, both sides be equipped with between the arc guide rail 54 with rolling ball 41 is the guide rail slider B55 of central symmetry arrangement, guide rail slider B55 extend to both sides and with both sides arc guide rail 54 sliding fit, guide rail B55 one side sliding fit is equipped with semicircle pipe 61, both sides position when semicircle pipe 61 contacts with the centre of a circle coincidence of arc guide rail 54.

Beneficially, a tooth-shaped groove 62 is formed in one side, attached to the guide rail sliding block B55, of the semicircular tube 61, a gear cavity 56 is formed in one side, attached to the semicircular tube 61, of the semicircular tube, a gear 57 meshed with the tooth-shaped groove 62 is arranged in the gear cavity 56, a motor B58 is fixed in the guide rail sliding block B55, and a motor shaft of the motor B58 is fixedly connected with the gear 57.

Advantageously, driving wheels clamped on two sides of the circular guide rail 52 are arranged in the guide rail sliding block A53, driving wheels clamped on two sides of the arc-shaped guide rail 54 are arranged in the guide rail sliding block B55, and the driving wheels are driven by independent motors and controlled by a control chip.

Advantageously, the thermal insulating blocks 51 are made of a material with poor thermal conductivity and high temperature resistance so as to avoid excessive heat conduction to the mechanism above the upper die 31 during operation of the die.

Beneficially, the upper end face of the upper die support 12 is provided with a support rod 80 extending upwards, a sliding cavity B81 with an opening facing the rotating ball 41 is arranged in the support rod 80, a sliding block 84 extending to the outside of the opening of the sliding cavity B81 is arranged in the sliding cavity B81 in a sliding fit manner, an electromagnet B82 is fixed on the cavity wall of the end, away from the opening, of the sliding cavity B81, a hydraulic telescopic rod 85 is fixed on the lower end face of the sliding block 84, and a residual scraper 86 is fixed on the lower end face of the hydraulic telescopic rod 85.

Advantageously, the slider 84 is magnetic near one end of the electromagnet B82.

Advantageously, a sliding cavity a38 coinciding with the axis of the polygonal slot 43 and communicating with the spherical opening 32 is formed in the upper die 31, a sliding shaft 34 is slidably fitted in the sliding cavity a38, and the shape of one end of the sliding shaft 34 close to the spherical opening 32 is consistent with that of the polygonal slot 43 and can be inserted into the polygonal slot 43.

Beneficially, a motor a33 is fixed in the upper die support 12, a motor shaft of the motor a33 extends into the sliding shaft 34 and is in spline fit, and an electromagnet a35 is sleeved on the motor shaft of the motor a 33.

Advantageously, the sliding shaft 34 is magnetic near one end of the motor a 33.

Advantageously, the ends of the semicircular tubes 61 on both sides form a circular hole when the ends are attached.

Advantageously, a control chip is provided in the upper mold support 12 to control the operation of the various mechanisms in the apparatus according to settings.

Advantageously, the arc-shaped guide rail 54 is centered on the center of the rotating ball 41.

The using method of the invention comprises the following steps:

in the initial state: the lower die 21 and the upper die 31 are in a closed state, the semicircular tubes 61 on both sides are in a maximum included angle state, the extending direction of the material injection through hole 42 is in a horizontal state, one end of the sliding shaft 34 close to the rotating ball 41 is inserted into the polygonal slot 43, and the sliding block 84 is farthest away from the rotating ball 41.

When in use, a plurality of the device is arranged on an annular production line, one ends of adjacent semicircular tubes 61 are attached to each other (as shown in fig. 10), the extending direction of the semicircular tubes 61 is the moving direction of the device, and the material injection equipment is arranged right above the rotating ball 41;

when waiting to annotate the material, control chip will control motor A33 earlier and start the corotation ninety degrees, and motor A33 motor shaft drives slip axle 34 and rotates, and slip axle 34 drives rolling ball 41 and rotates, annotates material through-hole 42 and rotates to vertical state and will go up mould 31 mould cavity and external intercommunication this moment.

The injecting device continuously releases the liquid foaming agent downwards while moving horizontally above the upper die 31, the falling liquid foaming agent falls onto the semicircular pipe 61 and flows into the injecting through hole 42 along the semicircular pipe 61, and the foaming device can ensure that the same amount of foaming agent can be obtained on each semicircular pipe 61 of the invention by keeping constant-speed movement and the same injection amount in the injecting process.

When the injection device finishes the injection of the foaming agent and leaves, the motor of the driving wheel in the guide rail sliding block B55 is controlled by the control chip to be started, under the movement of the driving wheel in the guide rail sliding block B55, the guide rail sliding blocks B55 on two sides approach each other along the arc-shaped guide rail 54, because the attaching positions of the lower side ends of the semicircular tubes 61 on two sides coincide with the circle center of the arc-shaped guide rail 54, the semicircular tubes 61 on two sides are closed by taking the circle center of the arc-shaped guide rail 54 as the center in the process, and the lower side ends of the semicircular tubes 61 on two sides are always kept tightly attached to ensure that too much foaming agent on the semicircular tubes 61 is not exposed until the semicircular tubes 61 on two sides are attached to each other to form a circular tube state, in the process, the liquid foaming agent on the upper parts of the semicircular tubes 61 passes through the injection through holes 42 and flows into the foaming cavity of the lower die, the foaming agent which flows into the foaming cavity under the self gravity is slowly spread on the bottom surface of the foaming cavity, because the foaming agent has high viscosity, the foaming agent can only spread a certain area on the bottom surface of the foaming cavity, and the edge far from the center can not be covered by the foaming agent;

the driving wheel motor in the guide rail sliding block B55 is controlled by the control chip and is closed to stop moving, the control chip controls the motor B58 to start rotating forwards according to setting, the motor B58 drives the gear 57 to rotate through the motor shaft, the gear 57 is meshed with the tooth-shaped groove 62, the gears 57 on the two sides drive the semicircular pipes 61 on the two sides to vertically move downwards together and enter the material injection through hole 42, when the lower ends of the semicircular pipes 61 on the two sides just penetrate out to leave the material injection through hole 42, the motor B58 is closed by the control chip, meanwhile, the electromagnet A35 generates the same magnetic force with one end of the sliding shaft 34 to attract the sliding shaft 34 to be close to the motor A33, and the tail end of the sliding shaft 34 leaves the polygonal slot 43.

The control chip controls the motor of the driving wheels in the guide rail sliding blocks B55 at two sides to be started, the driving wheels in the guide rail sliding blocks B55 drive the guide rail sliding blocks B55 to move along the arc-shaped guide rails 54, the semicircular tubes 61 at two sides swing to one side by taking the rotating ball 41 as the center of a circle under the state of keeping being tightly attached to the circular tubes, when the guide rail sliding blocks B55 swing to a set angle, the motor of the driving wheels in the guide rail sliding blocks A53 is started, the guide rail sliding blocks A53 at two sides rotate anticlockwise along the circular guide rails 52, the guide rail sliding blocks A53 drive the semicircular tubes 61 to rotate anticlockwise together, the rotation of the semicircular tubes 61 accelerates the liquid foaming agent in the semicircular tubes 61 to leave the semicircular tubes 61 and fall into the foaming cavities, in the process, the foaming agent attached to the semicircular tubes 61 fills gaps uncovered on the edges of the cavities, the foaming agent covers the bottom surfaces of the foaming cavities more fully, the foaming agent is more uniformly foamed products, and the quality of the finished products is better;

when the movement is rotated to a set number of turns, the driving wheel in the guide rail sliding block A53 stops rotating, the motor of the driving wheel in the guide rail sliding block B55 is started again, the driving wheel in the guide rail sliding block B55 drives the semicircular tubes 61 on the two sides to be restored to the vertical state again through the guide rail sliding block B55, at the moment, the electromagnet B82 is started, the electromagnet B82 generates magnetism the same as the tail end of the sliding block 84, the sliding block 84 slides along the sliding cavity B81 to a limit position along the direction away from the supporting rod 80 under the repulsive force of the electromagnet B82, the sliding block 84 drives the hydraulic telescopic rod 85 to be just above the center of the rotating ball 41 at the limit position, the control chip pushes hydraulic oil into the hydraulic telescopic rod 85 according to the setting, the hydraulic telescopic rod 85 extends downwards under the action of oil pressure, the residual material scraping plate 86 moves downwards into a pipeline formed by the semicircular tubes 61 on the two sides and pushes residual foaming agent on one side of the semicircular tubes 61 to move downwards and flow into the foaming cavity, and when the residual material scraping plate 86 pushes downwards to the limit position at the hydraulic telescopic rod 85, the residual material scraping plate 86 completely penetrates through the semicircular tubes 61 and the semicircular tubes 61;

after the process is completed, the control chip controls the hydraulic telescopic rod 85 to drive the excess material scraper 86 to upwards contract to the initial height through oil, the hydraulic telescopic rod 85 recovers to the initial state, the electromagnet B82 generates magnetism the same as one end of the sliding block 84, the sliding block 84 is attracted by the electromagnet B82 to move close to the initial state, the motor B58 is started to drive the semicircular tube 61 to vertically upwards move to the initial height through the gear 57 in a reversing mode, the driving motor of the driving wheel in the two side guide rail sliding blocks B55 is started to drive the two side guide rail sliding blocks B55 to move to the initial state along the arc-shaped guide rail 54, and the two side semicircular tubes 61 are separated to the initial state again at the moment.

The control chip controls one end of the electromagnet A35 close to the sliding shaft 34 to generate magnetism the same as that of the sliding shaft 34, the sliding shaft 34 slides along the sliding cavity A38 under the action of the repulsive force of the electromagnet A35, the tail end of the sliding shaft 34 is inserted into the polygonal slot 43 again, at the moment, the motor A33 is controlled by the control chip to rotate reversely by ninety degrees to an initial state, and then the control chip starts the control die to foam;

after foaming is finished, the control chip controls the hydraulic oil cylinder 13 to start and extend, and the hydraulic oil cylinder 13 pushes the upper die support 12 to drive the upper die 31 and the lower die 21 to be separated so as to finish die separation.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides an automotive interior foaming mould of material is annotated to ability ration, includes bottom support, its characterized in that: an upper die support is hinged to one side of the upper end of the bottom support, a lower die is fixed to the upper end face of the bottom support, an upper die is fixed to the inner side of the upper die support through bolts, hydraulic cylinders are symmetrically arranged on two sides of the bottom support, the lower ends of the hydraulic cylinders are in running fit with the side face of the bottom support, and the upper ends of the hydraulic cylinders are in running fit with the outer side face of the upper die support;

go up the mould upside and be equipped with clout and collect the mechanism, clout is collected the mechanism and is included with go up the mould and be the thermoblock that the centre of a circle annular was arranged, the thermoblock up end is fixed with circular guide rail, the arc guide rail centre of a circle with the coincidence of the rolling ball centre of a circle, sliding fit is equipped with on the circular guide rail the rolling ball is the guide rail slider A of centre of a circle central symmetry arrangement, guide rail slider A upside be equipped with two with the rolling ball is the arc guide rail of central symmetry arrangement, arc guide rail both ends respectively with both sides guide rail slider A up end is fixed, both sides be equipped with between the arc guide rail with the rolling ball is the guide rail slider B of central symmetry arrangement, guide rail slider B extend to both sides and with both sides arc guide rail sliding fit, guide rail slider B one side sliding fit is equipped with the semicircle pipe, both sides position when the semicircle pipe touches with the coincidence of the arc guide rail centre of a circle.

2. The automotive interior foaming mold capable of quantitatively injecting materials according to claim 1, wherein: the semicircular pipe with one side of the guide rail sliding block B which is attached is provided with a tooth-shaped groove, one side of the semicircular pipe which is attached is provided with a gear cavity, a gear which is meshed with the tooth-shaped groove is arranged in the gear cavity, a motor B is fixed in the guide rail sliding block B, and a motor B motor shaft is fixedly connected with the gear.

3. The automotive interior foaming mold capable of quantitatively injecting materials according to claim 1, wherein: the guide rail sliding block A is internally provided with driving wheels clamped on two sides of the circular guide rail, the guide rail sliding block B is internally provided with driving wheels clamped on two sides of the arc-shaped guide rail, and the driving wheels are driven by independent motors and controlled by a control chip.

4. The automotive interior foaming mold capable of quantitatively injecting the material according to claim 1, wherein: the heat insulation block is made of a material with high temperature resistance and poor heat conductivity so as to prevent excessive heat conduction to the mechanism above the upper die when the die works.

5. The automotive interior foaming mold capable of quantitatively injecting materials according to claim 1, wherein: go up the die holder up end and be equipped with the bracing piece that upwards extends, be equipped with the opening orientation in the bracing piece the chamber B that slides of rolling ball, it is equipped with the extension to slide the sliding block in the chamber B opening outside, it is fixed with electro-magnet B to slide chamber B and keep away from opening one end chamber wall, the terminal surface is fixed with hydraulic telescoping rod under the sliding block, the terminal surface is fixed with the clout scraper blade under the hydraulic telescoping rod.

6. The automobile interior foaming mold capable of quantitatively injecting the material according to claim 5, wherein: and one end of the sliding block, which is close to the electromagnet B, is provided with magnetism.

7. The automotive interior foaming mold capable of quantitatively injecting the material according to claim 1, wherein: the upper die is internally provided with a sliding cavity A which is coincident with the axis of the polygonal slot and is communicated with the spherical opening, the sliding cavity A is internally provided with a sliding shaft in sliding fit, and the sliding shaft is close to one end of the spherical opening, has the same shape as the polygonal slot and can be inserted into the polygonal slot.

8. The automotive interior foaming mold capable of quantitatively injecting the material according to claim 7, wherein: go up the die holder internal fixation and have motor A, motor A motor shaft extends to in the axle that slides and spline fit, the cover is equipped with electro-magnet A on the motor A motor shaft, the axle that slides is close to motor A one end has magnetism.

9. The automotive interior foaming mold capable of quantitatively injecting the material according to claim 1, wherein: and when the tail ends of the semicircular pipes are attached to the two sides, the tail ends form a circular hole.

10. The automotive interior foaming mold capable of quantitatively injecting the material according to claim 1, wherein: the control chip is arranged in the upper die support and can control the operation of each mechanism in the device according to the setting.