CN219276454U - Bubble frock is irritated to car seat headrest - Google Patents

Abstract

The utility model relates to an automobile seat headrest foam filling tool, which comprises a die frame and a foam filling tool arranged on the die frame, wherein the foam filling tool comprises a lower die, an upper die and a die locking device, two sides of the lower die are respectively connected with the upper ends of two supporting arms of the die frame, the upper die is connected to the upper side of the lower die and can form a shaping cavity of a shaping headrest with the lower die, the die locking device is connected to the upper die and can lock the upper die on the lower die, the upper die comprises an upper die I and an upper die II, the upper die I and the upper die II are respectively and rotatably hinged to the front side and the rear side of the lower die through a hinging device, the inner sides of the upper die I and the upper die II are respectively and mutually butted through butt joint surfaces to form an upper die whole, the die locking device comprises a die locking fixing seat and a die locking hook, the die locking fixing seat is connected to the upper surface of the upper die close to the outer side of the upper die I, and can extend to the upper die II to be mutually locked with a limiting block so as to lock the upper die above the lower die. The utility model has the advantages of high assembly efficiency, accurate positioning, small foaming deformation and good appearance quality of products.

Description

Bubble frock is irritated to car seat headrest

Technical Field

The utility model relates to a production tool of an automobile seat, in particular to a foaming tool of an automobile seat headrest.

Background

The automobile headrest comprises a cover, a headrest rod and foam, wherein the headrest rod is positioned in a foam molding die, foam materials are filled in the foam molding die, a foam headrest core with the headrest rod is taken out of a shaping die after foam molding, and the cover is sleeved outside the foam pillow core, so that the production of the automobile headrest is finished. In order to improve production efficiency and reduce production cost, part of enterprises in the industry adopt a face cover, a headrest rod and foam to be integrally foamed and formed, namely, the face cover and the headrest rod are put into a foaming tool or a die together, then foam is directly injected into an inner cavity of the face cover in the tool die, and the automobile headrest is produced by adopting the shaping die, so that the process of the face cover, the foam head and the pillow core are omitted, and the production efficiency is greatly improved.

However, when the die is used for producing the automobile headrest, the following defects are also caused: 1. the headrest rod is only axially positioned, and the position of the headrest rod is not accurate enough; 2. the shaping die comprises a lower die, an upper die, a left die and a right die, the die structure is complex, the die clamping and locking time is long, and the working efficiency is low; 3. when the mold is opened, the left mold and the right mold need to slide to two sides, the mold needs to be provided with longer guide rods at the left side and the right side, and the occupied space of the mold is larger; 4. the surface sleeve cannot be guaranteed to be smooth when placed in the die cavity, and part of the surface sleeve has the phenomenon of wrinkling or relative position deviation, so that the appearance of a product is affected; 5. the feeding nozzle is connected to the upper die only through the feeding nozzle positioning support, and when the downward acting force of the gun head and the upward releasing force of the gun head after casting are large, the feeding nozzle is easy to fall off, so that the normal use is influenced.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides the automobile seat headrest foaming tool which is simple in structure, high in assembly efficiency, accurate in positioning of a headrest rod and a face sleeve, small in integrated foaming deformation, stable in crotch size and relative position, good in product appearance quality and capable of achieving customer expectations.

The technical scheme adopted by the utility model for achieving the purpose is as follows: the automobile seat headrest foam filling tool comprises a die frame and a foam filling tool arranged on the die frame, wherein the foam filling tool comprises a lower die, an upper die and a die locking device, two sides of the lower die are respectively connected with the upper ends of two supporting arms of the die frame, the upper die is connected to the upper side of the lower die and can form a shaping cavity of a shaping headrest with the lower die, the die locking device is connected to the upper die and can lock the upper die on the lower die, the upper die comprises an upper die I and an upper die II, the upper die I and the upper die II are respectively hinged to the front side and the rear side of the lower die through hinging devices in a rotatable mode, the inner sides of the upper die I and the upper die II are respectively connected with each other through butt joint surfaces to form an upper die whole, the butt joint surfaces of the upper die I and the upper die II are respectively concavely provided with headrest rod positioning grooves and feeding nozzle positioning grooves which correspond to each other in position, the die locking device comprises a die locking fixing seat and a locking hook, the die locking fixing seat is connected to the upper surface of the upper die I, the upper surface of the upper die II, which is close to the outer side, the locking hook is connected to the locking hook, the locking hook is hinged to the locking hook, and can extend to the upper die fixing seat and the locking hook to the upper die II to the upper die and the locking jaw.

The utility model further adopts the technical scheme that: the outer side of the headrest rod positioning groove of the upper die II is connected with a headrest rod positioning block for the headrest rod to lean against on the surface of the headrest rod positioning block, two sides of the headrest rod positioning block, which lean against the middle part, are respectively connected with a headrest rod stop block, and one side of the headrest rod stop block is connected with a headrest rod clamping block which can be inserted into the headrest rod positioning groove.

The utility model further adopts the technical scheme that: the feeding nozzle positioning groove outside of last mould II is equipped with the feeding nozzle positioning support, and feeding nozzle positioning support one end fixed connection is last mould II surface, and the feeding nozzle positioning support other end is equipped with the circular through-hole that can fix a position the feeding nozzle, and circular through-hole outer wall connection has the part to extend to in the feeding nozzle lateral wall and can prevent the whole anticreep stopper that removes in vertical direction of feeding nozzle.

The utility model further adopts the technical scheme that: the die carrier is characterized in that the outer sides of the top ends of the two supporting arms of the die carrier are respectively connected with a stay wire positioning seat, each stay wire positioning seat comprises a vertical positioning plate, a fixing bolt, a positioning bolt and a spring, the vertical positioning plates are provided with mounting holes at the positions close to the bottom ends, the vertical positioning plates are provided with long positioning holes close to the middle positions, the middle positions of the upper ends of the vertical positioning plates are provided with stay wire positioning grooves in a downward sinking mode, the positions of the stay wire positioning grooves are right opposite to the butt joint gaps of the upper die I and the upper die II, the fixing bolts penetrate through the mounting holes of the vertical positioning plates to connect the vertical positioning plates to the outer surfaces of the die carrier supporting arms, the positioning bolts penetrate through the long positioning holes and then are positioned on the outer surfaces of the die carrier supporting arms, and the springs are sleeved on the surfaces of the positioning bolts and compressed between the inner surfaces of the vertical positioning plates and the outer surfaces of the die carrier supporting arms.

The utility model further adopts the technical scheme that: the vertical locating plate surface is equipped with the limiting groove of acting as go-between of inwards sunken, and the limiting groove of acting as go-between is perpendicular to acting as go-between the locating groove, and acts as go-between limiting groove and acting as go-between the locating groove bottom mutually link up.

The utility model further adopts the technical scheme that: the upper surfaces of two ends of the upper die I, which are close to the outer side, are respectively connected with die locking fixing seats, each die locking fixing seat is connected with a die locking hook through a rotating shaft and a die locking limiting spring, the upper surfaces of two ends of the upper die II, which are close to the outer side, are respectively connected with locking hook limiting blocks, a first end of each die locking hook extends towards the side of the upper die II and can be buckled on the two locking hook limiting blocks, and a second end of each die locking hook extends back to the side of the upper die II and is connected into a whole through a synchronous connecting rod.

The utility model further adopts the technical scheme that: the hinge device is a loose-leaf hinge device, the loose-leaf hinge device comprises two connecting plates hinged with each other, the upper die I is connected with two ends of the rear side of the lower die through the two hinge devices, and the upper die II is connected with two ends of the front side of the lower die through the two hinge devices; one of the connecting plates of the same hinge device is connected with the upper die I or the upper die II, and the other connecting plate is connected with the lower die.

The utility model further adopts the technical scheme that: the surface of the connecting plate connected with the lower die is connected with an L-shaped limiting plate which can prevent the upper die I and the upper die II from excessively rotating outwards when being opened, the horizontal arm of the L-shaped limiting plate is welded on the surface of the connecting plate connected with the lower die, and the vertical arm of the L-shaped limiting plate extends upwards to form a limiting arm.

The automobile seat headrest foaming tool has the following beneficial effects: the upper die I and the upper die II are hinged to the front side and the rear side of the lower die respectively through a hinge device, the whole structure of the tool is simple, the assembly efficiency is high, and the occupied space of the tool is small; the butt joint surface of the upper die I and the upper die II is provided with a headrest rod and headrest rod positioning groove, the surface of the upper die II is also provided with a headrest rod positioning block for the headrest rod to lean against, one side of the headrest rod positioning block is provided with a headrest rod clamping block, and the headrest rod clamping block is clamped into the headrest rod positioning groove to limit the axial and radial movement of the headrest rod, so that the position of the headrest rod is accurate, and the foam foaming deformation is small; the two support arms of the die carrier are connected with the stay wire positioning seats outside, stay wires can be connected to two ends of the face sleeve, the face sleeve can be pulled smoothly by the stay wires, the outer sides of the stay wires are positioned in the stay wire positioning seats, the fold or position deviation of the face sleeve can be effectively prevented, the crotch size and the relative position are stable, the appearance quality of the product is good, and the expected of a customer can be achieved.

The utility model further provides a foam filling tool for the headrest of the automobile seat, which is described with reference to the accompanying drawings and the embodiment.

Drawings

FIG. 1 is a schematic structural view of a vehicle seat headrest bubbling tool according to the present utility model;

FIG. 2 is another schematic view of the inventive automotive seat headrest bubbling tool;

FIG. 3 is a schematic view of another orientation of the inventive automotive seat headrest bubbling tool;

FIG. 4 is an enlarged partial view of FIG. 2;

FIG. 5 is an enlarged partial view of FIG. 3;

reference numerals illustrate: the die comprises a 1-die carrier, a 2-lower die, a 3-supporting arm, a 4-upper die II, a 5-wire-drawing positioning seat, a 6-upper die I, a 7-die locking fixing seat, an 8-die locking hook, a 9-synchronous connecting rod, a 10-feeding nozzle, an 11-headrest rod, a 12-headrest rod positioning block, a 13-locking hook limiting block, a 14-loose-leaf hinging device, a 15-L-shaped limiting plate, a 16-nozzle positioning bracket, a 17-die locking limiting spring, a 18-rotating shaft, a 19-headrest rod stop block, a 20-headrest rod clamping block, a 21-headrest rod positioning groove, a 22-anti-falling limiting block, a 23-feeding nozzle positioning groove, a 24-headrest rod positioning groove, a 25-abutting surface, a 26-vertical positioning plate, a 27-abutting gap, a 28-wire-drawing positioning groove, a 29-wire-drawing limiting groove, a 30-spring, a 31-positioning bolt, a 32-long positioning hole, a 33-fixing bolt and a 34-mounting hole.

Detailed Description

As shown in fig. 1 to 5, the foam filling tool for the headrest of the automobile seat comprises a die carrier and a foam filling tool arranged on the die carrier. The mould frame comprises a bottom frame and two supporting arms connected to two sides of the bottom frame. The bottom frame is used for installing on workshop production line, and two support arms are used for connecting and irritate bubble frock.

As shown in FIG. 1, the bubble filling tool comprises a lower die, an upper die and a die locking device. Two sides of the lower die are respectively connected with the upper ends of two supporting arms of the die carrier through fixing devices. The upper die is connected to the upper side of the lower die and can form a shaping cavity of the shaping headrest with the lower die, and the die locking device is connected to the upper die and can lock the upper die on the lower die. The upper die comprises an upper die I and an upper die II, and the upper die I and the upper die II are respectively hinged on the front side and the rear side of the lower die through a hinge device in a rotatable mode. The inner sides of the upper die I and the upper die II are respectively butted with each other through butt joint surfaces to form an upper die whole. The butt joint surfaces of the upper die I and the upper die II are respectively provided with a headrest rod positioning groove and a feeding nozzle positioning groove which are mutually corresponding in position in a sunken mode. As shown in fig. 4, when the upper die i and the upper die ii are abutted, the corresponding headrest rod positioning grooves are abutted to form headrest rod positioning holes for positioning the headrest rods, and the corresponding feeding nozzle positioning grooves are abutted to form feeding nozzle positioning holes for positioning the feeding nozzles.

As shown in fig. 2 and 4, the outside of the headrest rod positioning groove of the upper die ii is connected with a headrest rod positioning block for the headrest rod to lean against on the surface of the headrest rod positioning block, two sides of the headrest rod positioning block, which lean against the middle part, are respectively connected with headrest rod stop blocks, one side of each headrest rod stop block is connected with a headrest rod clamping block which can be inserted into each headrest rod positioning groove, each headrest rod is provided with a plurality of headrest rod positioning grooves, each headrest rod clamping block is only inserted into one of the headrest rod positioning grooves, so that the axial direction and the radial direction of each headrest rod are accurately controlled, and the position accuracy of each headrest rod is high. The pan feeding mouth positioning groove outside of last mould II is equipped with the pan feeding mouth locating support, and pan feeding mouth locating support one end fixed connection is at last mould II surface, and the pan feeding mouth locating support other end is equipped with the circular through-hole that can fix a position the pan feeding mouth, and circular through-hole outer wall connection has the part to extend to in the pan feeding mouth lateral wall and can prevent the whole anticreep stopper that removes in vertical direction of pan feeding mouth, sets up behind the anticreep stopper, can not extract the pan feeding mouth when pulling out with the rifle head of pan feeding mouth butt joint with force.

As shown in fig. 1, the hinge assembly of the lower die with the upper die i and the upper die ii is a hinge-type hinge assembly, which is a hinge-like connection assembly. The loose-leaf type hinging device comprises two mutually hinged connecting plates, wherein one connecting plate is connected with a transmission and connection rotating shaft at the side edge, and the other connecting plate is mutually hinged with the transmission and connection rotating shaft. One of the connecting plates of the same hinge device is connected with the upper die I or the upper die II, and the other connecting plate is connected with the lower die, for example: one connecting plate of the loose-leaf type hinging device is connected with the upper die I at the joint of the upper die I and the lower die, and the other connecting plate of the loose-leaf type hinging device is connected with the lower die; at the joint of the upper die II and the lower die, one connecting plate of the loose-leaf type hinge device is connected with the upper die II, and the other connecting plate of the loose-leaf type hinge device is connected with the lower die. In this embodiment, the upper die I is connected to both ends of the rear side of the lower die by two hinge devices, and the upper die II is also connected to both ends of the front side of the lower die by two hinge devices. The surface of the connecting plate connected with the lower die is connected with an L-shaped limiting plate which can prevent the upper die I and the upper die II from excessively rotating outwards when being opened. The horizontal arm of L-shaped limiting plate is welded on the surface of the connecting plate connected with the lower die, and the vertical arm of L-shaped limiting plate extends upwards to form a limiting arm. Go up mould I and go up mould II when opening outside rotatory in-process, L shape limiting plate can block mould I and last mould II, prevents to go up mould I and go up excessive outer commentaries on classics of mould II.

As shown in fig. 1 or 3, the mold locking device comprises a mold locking fixing seat and a mold locking latch hook, the mold locking fixing seat is connected to the upper surface of the upper mold i, which is close to the outer side, the upper surface of the upper mold ii is connected with a latch hook limiting block, and the mold locking latch hook is hinged on the mold locking fixing seat and can extend to the upper mold ii to be locked with the latch hook limiting block mutually so as to lock the upper mold above the lower mold. In this embodiment, the upper surfaces of the two ends of the upper die I near the outer side are respectively connected with a die locking fixing seat, each die locking fixing seat is connected with a die locking hook through a rotating shaft and a die locking limiting spring, the upper surfaces of the two ends of the upper die II near the outer side are respectively connected with a locking hook limiting block, a first end of the die locking hook extends towards the side of the upper die II and can be buckled on the two locking hook limiting blocks, and a second end of the die locking hook extends towards the side opposite to the side of the upper die II and is integrally connected with the tail end through a synchronous connecting rod.

As shown in fig. 3 and 5, the outer sides of the top ends of the two supporting arms of the die carrier are respectively connected with a stay wire positioning seat. The wire positioning seat comprises a vertical positioning plate, a fixing bolt, a positioning bolt and a spring, wherein a mounting hole is formed in the position, close to the bottom end, of the vertical positioning plate, a long positioning hole is formed in the position, close to the middle, of the vertical positioning plate, a wire positioning groove is formed in the middle of the upper end of the vertical positioning plate in a downward sunken mode, the position of the wire positioning groove is opposite to a butt joint gap between the upper die I and the upper die II, the fixing bolt penetrates through the mounting hole of the vertical positioning plate to connect the vertical positioning plate to the outer surface of the die carrier support arm, the positioning bolt penetrates through the long positioning hole to be positioned on the outer surface of the die carrier support arm, and the spring is sleeved on the surface of the positioning bolt and compressed between the inner surface of the vertical positioning plate and the outer surface of the die carrier support arm. The bottom end of the vertical positioning plate is fixedly connected to the outer surface of the die carrier supporting arm, and the upper end of the vertical positioning plate can be elastically arranged outside a butt joint gap between the upper die I and the upper die II through spring adjustment. The outer surface of the vertical positioning plate is provided with an inwards concave stay wire limiting groove which is perpendicular to the stay wire positioning groove, and the stay wire limiting groove is communicated with the bottom of the stay wire positioning groove. Two stay wires (not shown in the figure) can be connected to both sides of the headrest face sleeve respectively, the stay wires are stay wires (similar to a stay wire structure connected with a garment tag) with positioning heads at both ends, one end of each stay wire is positioned at the inner side of the headrest face sleeve, the other end of each stay wire penetrates through the headrest face sleeve and a butt joint gap of the upper die II on the upper die I, outwards extends to penetrate through the stay wire positioning groove and is positioned on the outer surface of the stay wire positioning groove, the positioning heads at the outer sides of the stay wires can be positioned in the stay wire limiting grooves, and the positioning heads at the outer sides of the stay wires are prevented from sliding away from the vertical positioning plates. The two sides of the headrest surface sleeve are connected with the stay wires, so that the headrest surface sleeve can be leveled, and the phenomenon that the whole appearance of the headrest is affected due to wrinkling or displacement caused by movement of the headrest surface sleeve when foam is poured is prevented.

When the automobile seat headrest foam filling tool works, the automobile seat headrest foam filling tool is placed on a double-speed line tray, a casting gun head faces a feeding nozzle well, a die carrier is fastened by a pressing plate, and the gun head and the feeding nozzle are ensured to be coaxial; pulling the die closing lock hook to open the upper die I and the upper die II, putting headrest rod face sleeve components (headrest rods and face sleeve assembly components, stay wires are connected to two sides of a face sleeve) which are prepared in advance into a die cavity and headrest rod positioning grooves, inserting a plastic feeding nozzle into a face sleeve hole, rotating into a limiting clamping groove, putting stay wires at two ends of a die closing face sleeve seal into a stay wire positioning groove, and positioning stay wire end positioning heads in the stay wire limiting groove; and (3) pulling the die closing lock hook to close the die, checking whether the face sleeve is exposed out of the parting surface before closing the die, carrying out tank foaming according to an operation instruction, and opening the die and taking out the headrest after the pressure maintaining time is reached.

The above embodiments are merely preferred embodiments of the present utility model, the structure of the present utility model is not limited to the forms of the above embodiments, and any modifications, equivalents, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides an automobile seat headrest bubble frock, including die carrier (1) and the bubble frock of filling of setting on die carrier (1), bubble frock includes lower mould (2), go up mould and mode locking device, lower mould (2) both sides are connected with two support arms (3) upper ends of die carrier (1) respectively, go up the mould and connect in lower mould (2) upside and can enclose into the design cavity of design headrest with lower mould (2), mode locking device connects on last mould and can lock last mould on lower mould (2), characterized in that, last mould includes last mould I (6) and last mould II (4), go up mould I (6) and last mould II (4) and pass through the articulated front and back both sides of articulated connection in lower mould (2) respectively, go up mould I (6) and last mould II (4) inboard respectively through butt joint each other and form the mould as a whole, go up mould I (6) and last mould II (4) butt joint face (25) are sunken to be equipped with headrest pole location recess (24) and pan feeding mouth (23) that correspond each other respectively, locking device is connected with mould (7) on locking device (7) and locking seat (7) are connected with mould (13) on the outside surface (7) of locking device and locking seat (7), the die locking hook (8) is hinged on the die locking fixing seat (7) and can extend to the upper part of the upper die II (4) to be locked with the locking hook limiting block (13) mutually so as to lock the upper die above the lower die (2).

2. The automobile seat headrest foaming tool as claimed in claim 1, wherein a headrest rod positioning block (12) for a headrest rod (11) to lean against is connected to the outer side of a headrest rod positioning groove (24) of the upper die II (4), headrest rod stop blocks (19) are respectively connected to two sides of the headrest rod positioning block (12) near the middle position, and a headrest rod clamping block (20) capable of being inserted into the headrest rod positioning groove (21) is connected to one side of the headrest rod stop blocks (19).

3. The automobile seat headrest foam filling tool as claimed in claim 2, wherein a material nozzle positioning bracket (16) is arranged on the outer side of a material nozzle positioning groove (23) of the upper die II (4), one end of the material nozzle positioning bracket (16) is fixedly connected with the surface of the upper die II (4), a circular through hole capable of positioning the material nozzle (10) is formed in the other end of the material nozzle positioning bracket (16), and an anti-drop limiting block (22) which locally extends into the side wall of the material nozzle (10) and can prevent the whole material nozzle (10) from moving in the vertical direction is connected to the outer wall of the circular through hole.

4. The automobile seat headrest foam filling tool as claimed in claim 1, wherein the outer sides of the top ends of the two supporting arms (3) of the die frame (1) are respectively connected with a pull wire positioning seat (5), the pull wire positioning seat (5) comprises a vertical positioning plate (26), a fixing bolt (33), a positioning bolt (31) and a spring (30), a mounting hole (34) is formed in the position, close to the bottom end, of the vertical positioning plate (26), a long positioning hole (32) is formed in the position, close to the middle, of the upper end of the vertical positioning plate (26), of the vertical positioning plate (26) in a downward manner, a pull wire positioning groove (28) is formed in the position, close to a butt joint gap (27) between the upper die I (6) and the upper die II (4), the fixing bolt (33) penetrates through the mounting hole (34) of the vertical positioning plate (26) to connect the vertical positioning plate (26) on the outer surface of the supporting arm (3) of the die frame (1), the positioning bolt (31) penetrates through the long positioning hole (32) to be positioned on the outer surface of the supporting arm (3) of the die frame (1), and the spring (30) is sleeved on the surface of the positioning bolt (31) between the surface of the positioning plate (31) and the outer surface of the die frame (3).

5. The automotive seat headrest bubble filling tool according to claim 4, wherein the outer surface of the vertical positioning plate (26) is provided with an inward concave stay wire limiting groove (29), the stay wire limiting groove (29) is perpendicular to the stay wire positioning groove (28), and the stay wire limiting groove (29) is communicated with the bottom end of the stay wire positioning groove (28).

6. The automobile seat headrest foam filling tool as claimed in claim 1, wherein the upper surfaces of the two ends of the upper die I (6) close to the outer side are respectively connected with a die locking fixing seat (7), each die locking fixing seat (7) is connected with a die locking lock hook (8) through a rotating shaft (18) and a die locking limit spring (17), the upper surfaces of the two ends of the upper die II (4) close to the outer side are respectively connected with a lock hook limit block (13), a first end of the die locking lock hook (8) extends towards the side of the upper die II (4) and can be buckled on the two lock hook limit blocks (13), and a second end of the die locking hook (8) extends towards the side opposite to the upper die II (4) and the tail ends of the die locking hook are connected into a whole through a synchronous connecting rod (9).

7. The automotive seat headrest bubble filling tool according to claim 1, wherein the hinge device is a loose-leaf hinge device (14), the loose-leaf hinge device (14) comprises two connecting plates hinged with each other, the upper die I (6) is connected with two ends of the rear side of the lower die (2) through the two hinge devices, and the upper die II (4) is connected with two ends of the front side of the lower die (2) through the two hinge devices; one of the connecting plates of the same hinge device is connected with the upper die I (6) or the upper die II (4), and the other connecting plate is connected with the lower die (2).

8. The automobile seat headrest foam filling tool as claimed in claim 7, wherein an L-shaped limiting plate (15) capable of preventing the upper die I (6) or the upper die II (4) from excessively rotating outwards when being opened is connected to the surface of a connecting plate connected with the lower die (2), a horizontal arm of the L-shaped limiting plate (15) is welded to the surface of the connecting plate connected with the lower die (2), and a vertical arm of the L-shaped limiting plate (15) extends upwards to form a limiting arm.

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