CN114425857A

CN114425857A - Central control edge covering device

Info

Publication number: CN114425857A
Application number: CN202210105258.2A
Authority: CN
Inventors: 仲华; 叶列荣
Original assignee: Cenwoy Automation Technology Shanghai Co Ltd
Current assignee: Cenwoy Automation Technology Shanghai Co Ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-05-03

Abstract

The invention provides a central control edge covering device, which is provided with an alignment mechanism, so that a sewing thread on a surface skin can be positioned, the sewing thread is prevented from being twisted or deviated when the edge covering is covered, the alignment mechanism is also provided with a turnover driving assembly, so that an alignment knife can be turned to a position close to the surface skin when the alignment is needed, and the alignment knife can be turned to a position far away from the surface skin after the alignment is finished, thereby facilitating the actions of other actuating mechanisms; the edge covering mechanism for the inclined edge part is arranged, so that the inward and inclined edge part can be covered; because the corner edge covering mechanism is arranged, the step-shaped corner can be covered; due to the fact that the hot-pressing mechanism is arranged, the middle control skeleton and the surface skin can be heated and pressed tightly, and a final product is obtained. The central control edge covering device can be used for carrying out the whole process of covering and covering the edges of the central control, has high automation degree, can improve the production efficiency, reduce the labor intensity of workers and is beneficial to improving the quality and consistency of final products.

Description

Central control edge covering device

Technical Field

The invention belongs to the technical field of automobile workpiece manufacturing, and particularly relates to a central control edge covering device.

Background

Automotive interiors are automotive products used in the interiors of automobiles, and the production process of the automotive interior is generally to coat a molded automotive workpiece with materials such as leather of specific materials, so as to form the final automotive interior product. The automotive interior comprises a middle control part, namely a part of an automotive middle control plate, the structure of the middle control part is complex, the middle control part is provided with an inwards concave and inclined bevel part with a large area and a step-shaped corner part with a small size, the edge covering difficulty of the positions is high, in addition, for aesthetic consideration, the coating surface usually comprises sewing threads such as decorative threads, and the like.

At present, edge covering is mainly performed in a manual mode, an operator manually aligns sewing threads on a surface skin through a corresponding alignment tool, then coats the surface skin onto a middle control framework through the corresponding edge covering tool, and then presses the surface skin and the framework.

Disclosure of Invention

The invention is carried out to solve the problems, and aims to provide a central control edge covering device capable of automatically covering and covering an edge of a central control framework with a complex structure, wherein the invention adopts the following technical scheme:

the invention provides a central control edge covering device, which is used for covering an upper surface skin on a central control framework to form a central control, wherein the surface skin is provided with a sewing thread, the central control framework is provided with a concave and inclined bevel edge part and a step-shaped corner part, and the central control edge covering device is characterized by comprising: the mould is provided with an upper mould and a lower mould which are matched with each other, the upper mould is used for carrying the middle control framework, and the lower mould is used for carrying the surface skin; the thread aligning mechanism is used for aligning the sewing thread; the bevel edge part edge covering mechanism is used for covering the bevel edge part; the corner edge covering mechanism is used for covering the corners; and the hot pressing mechanism is used for heating the middle control framework and the skin which finish edge covering and pressing the middle control framework and the skin through the die, wherein the line aligning mechanism comprises: a plurality of thread setting knives for setting a thread of the sewing thread, wherein the ends of the thread setting knives form a predetermined straight line or curve; a plurality of adjusting components, which are respectively used for adjusting the position of the corresponding wire fixing knife relative to the epidermis; and the overturning driving component is used for driving the routing knife to overturn so as to enable the routing knife to be close to or far away from the epidermis.

The central control edge covering device provided by the invention can also have the technical characteristics that the overturning driving assembly comprises: a support; the rotating shaft is arranged on the bracket and extends along the horizontal direction; one end of the swing arm is rotatably arranged on the rotating shaft, and the other end of the swing arm is provided with the adjusting component; a gear installed at one end of the rotating shaft; the rack is meshed with the gear; and the output end of the overturning driving cylinder is fixedly connected with the rack.

The central control edge covering device provided by the invention can also have the technical characteristics that the adjusting assembly comprises: the supporting rod is arranged at the end part of the swing arm and is provided with a linkage rod through hole; the operating handle is used for adjusting the height of the wire fixing knife; and one end of the linkage rod is connected with the routing knife, and the other end of the linkage rod is connected with the operating handle and penetrates through the linkage rod through hole.

The central control edge covering device provided by the invention can also have the technical characteristics that the alignment mechanism further comprises a limiting component, and the limiting component is provided with: the limiting piece is fixed in the middle of the rotating shaft and is provided with an extending part extending outwards; and the output end of the limiting cylinder is in transmission connection with the extending part and is used for limiting the rotating angle of the limiting part so as to limit the rotating angle of the wire fixing cutter.

The central control edge covering device provided by the invention can also have the technical characteristics that the bevel edge part edge covering mechanism comprises: a binding piece; the turnover clamping piece is matched with the edge wrapping piece to form a clamping structure and used for clamping the edge part of the skin; the rising covering piece is provided with an end part matched with the vertical surface and is used for covering the edge part of the skin with the vertical surface; the side covering piece is matched with the edge covering piece to cover the edge part of the surface skin and the side; and the surface skin overturning part is used for overturning the edge part of the surface skin towards the middle control skeleton so as to form a cladding structure, wherein two opposite end parts of the cladding part and the side surface cladding part are both in shapes matched with the side surfaces.

The central control edge covering device provided by the invention can also have the technical characteristics that the bevel edge part edge covering mechanism further comprises a turning and clamping driving assembly, and the turning and clamping driving assembly comprises: the overturning driving cylinder is used for driving the overturning clamping piece to overturn towards the edge covering piece and attach to the edge covering piece so as to clamp the edge part of the skin; a rotating shaft; the synchronous belt wheel is arranged at one end of the rotating shaft; and the synchronous belt is sleeved on the synchronous belt wheel and the output shaft of the overturning driving cylinder, wherein the overturning clamping piece is rotatably arranged on the rotating shaft.

The central control edge covering device provided by the invention can also have the technical characteristics that the bevel edge covering mechanism further comprises: the lifting driving cylinder is used for driving the lifting covering piece to lift so as to enable the skin edge part to be covered with the vertical surface; the side surface covering driving cylinder is used for driving the edge covering piece to press towards the side surface covering piece, so that the edge part of the surface skin is covered with the side surface; a small face covering driving cylinder for driving the edge-covering piece to be pressed downwards so as to enable the edge part of the surface skin to cover the small face of the oblique edge part; the skin overturning driving cylinder is used for driving the skin overturning part to move towards the middle control part framework so as to overturn the edge part of the skin; and a pressing-down driving cylinder for driving the skin pushing-down piece to press down so that the skin edge portion is pressed and attached to the bevel edge portion.

The central control edge covering device provided by the invention can also have the technical characteristics that the corner edge covering mechanism comprises: a clamping assembly for clamping the skin end; and a clamp compound drive assembly comprising: the clamping cylinder is used for driving the clamping assembly to open and close so as to clamp the end part of the skin; a forward-push cylinder for driving the clamping assembly clamping the skin end portion to move towards the corner portion, so that the skin end portion covers the corner portion; and the lifting cylinder is used for driving the clamping assembly which movably clamps the end part of the skin to be pressed downwards towards the corner part, so that the end part of the skin is coated and attached to the corner part.

The central control edge covering device provided by the invention can also have the technical characteristics that the lower die is provided with a vacuum positioning assembly for fixing the surface skin on the lower die in a vacuum adsorption mode, and the vacuum positioning assembly comprises: the vacuum positioning plate is provided with a plurality of vacuum adsorption holes communicated with the vacuumizing device; and the plurality of embedded pieces are respectively matched with the plurality of vacuum adsorption holes and detachably embedded into the corresponding vacuum adsorption holes, so that the adsorption force of the vacuum adsorption holes is adjusted.

The central control edge covering device provided by the invention can also have the technical characteristics that the vacuum adsorption hole is circular, and the embedded piece is provided with: a fitting part having a hollow cylindrical shape and fitted into the corresponding vacuum suction hole; and the adsorption part is circular, is arranged at one end of the embedding part, is provided with a plurality of through adsorption strip holes and is used for adjusting the adsorption force.

Action and Effect of the invention

The central control edge covering device comprises a die, an edge covering mechanism, a bevel edge covering mechanism, a corner edge covering mechanism and a hot pressing mechanism, wherein the edge covering mechanism is provided with a plurality of wire fixing knives, and the end parts of the plurality of wire fixing knives form a preset straight line or curve, namely, the preset straight line or curve is formed into a shape matched with the sewing thread on the surface skin, so that the sewing thread on the surface skin can be positioned, the sewing thread is prevented from being twisted or deviated in position when the edge covering is covered; due to the adoption of the bevel edge part edge covering mechanism, the inward concave and inclined bevel edge part of the central control framework can be covered; because the corner edge covering mechanism is arranged, the step-shaped small-size corner of the central control framework can be covered; due to the hot pressing mechanism, the middle control framework and the surface skin which are subjected to edge covering can be heated and pressed through the die, and a final middle control product is obtained. In conclusion, the central control edge covering device can perform line alignment, edge covering of the bevel edge part, corner edge covering and hot pressing, basically covers the whole process of covering and covering the edge by the central control part, has high automation degree, can improve the production efficiency, reduce the labor intensity of operators, and is favorable for improving the quality and consistency of final products.

Drawings

FIG. 1 is an exploded view of a control hemming device in an embodiment of the present invention;

FIG. 2 is a partial structural view of a lower die in the embodiment of the present invention;

FIG. 3 is an orthographic view of a lower mold portion configuration in an embodiment of the present invention;

FIG. 4 is a block diagram of an insert in an embodiment of the invention;

FIG. 5 is a block diagram of an insert at various angles in an embodiment of the invention;

FIG. 6 is a structural view of a wire aligning mechanism in the embodiment of the present invention;

FIG. 7 is a side view of an alignment mechanism in an embodiment of the present invention;

FIG. 8 is a block diagram of a routing knife assembly and adjustment assembly in an embodiment of the present invention;

FIG. 9 is a partial block diagram of the tumble drive assembly in an embodiment of the present invention;

FIG. 10 is a block diagram of the alignment mechanism in a compression position in an embodiment of the present invention;

FIG. 11 is a block diagram of the alignment mechanism at the flip position in an embodiment of the present invention;

FIG. 12 is a diagram illustrating the distribution of a plurality of taping mechanisms in an embodiment of the invention;

FIG. 13 is a block diagram of a corner hemming mechanism in an embodiment of the invention;

FIG. 14 is a structural view of a bevel-edge-covering mechanism in the embodiment of the present invention;

FIG. 15 is a partial structural view of a bevel-edge-covering mechanism in the embodiment of the present invention;

FIG. 16 is a partial structural view of the mechanism for binding the bevel edge portion at different angles in the embodiment of the present invention;

FIG. 17 is a partial block diagram of the upper die and corner hemming mechanism in an embodiment of the invention;

FIG. 18 is a partial block diagram of the upper die and corner hemming mechanism at different angles in an embodiment of the invention;

fig. 19 is an enlarged view of a part in frame a in fig. 17.

Reference numerals:

a central control edge covering device 10; an upper die 11; a lower die 12; a vacuum adsorption assembly 121; a vacuum positioning plate 1211; a vacuum adsorption hole 1211 a; an embedded piece 1212; a fitting portion 12121; an adsorption portion 12122; absorbent strip apertures 12122 a; an alignment mechanism 20; a routing knife assembly 21; a connecting member 211; a wire fixing knife 212; a routing end portion 212 a; an adjustment assembly 22; a support rod 221; a guide rod through hole 2211; trace through 2212; a guide bar 222; an operating handle 223; a linkage 224; a lock cylinder 225; a tumble drive assembly 23; the turning bracket 231; a rotating shaft 232; a swing arm 233; a gear 234; a rack 235; a tumble drive cylinder 236; a spacing assembly 24; a stopper 241; an extension 2411; a limit bracket 242; a spacing link 243; an abutment 2431; a spacing cylinder 244; a restraining post 245; a proximity sensor 251; a magnetic switch 252; a corner hemming mechanism 30; a clamping assembly 31; a movable member 311; a fixing member 312; a clamp compound drive assembly 32; a clamping cylinder 321; a forward push cylinder 322; a lift cylinder 323; a bevel edge covering mechanism 40; turning over the clamping piece 401; a binding piece 402; a flip clamp drive assembly 403; the rotation shaft 4031; a timing pulley 4032; a synchronous belt 4033; the overturning driving cylinder 4034; a tensioning drive cylinder 4035; a lifting cover 404; the lift drive cylinder 405; a side cover 406; a side surface covering driving cylinder 407; a small face-closing drive cylinder 408; a skin inverter 409; the drive cylinder 410 is pushed down; the drive cylinder 411 is pressed down; a vacuum tube 91; a middle control skeleton 100; a bevel portion 101; side 1011; a facade 1012; a corner portion 102.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the center control edge covering device of the invention is specifically described below with reference to the embodiments and the accompanying drawings.

< example >

The embodiment provides a center control edge covering device, which is used for covering a surface skin on a center control framework so as to manufacture a center control product (namely a part of an automobile center control panel), wherein the surface skin is a spliced composite surface skin and is provided with sewing threads; the shape of the middle control framework is complex, the middle control framework is provided with a bevel edge part which is concave and inclined relative to the main body part of the middle control framework and a corner part which is step-shaped and small in size, and the edge covering difficulty is high.

Fig. 1 is an exploded view of the structure of the center binding device in the embodiment.

As shown in fig. 1, the center-controlled hemming device 10 includes an upper die 11, a lower die 12, a wire aligning mechanism 20, a corner hemming mechanism 30, a bevel hemming mechanism 40, and a heat press mechanism (not shown). The central control edge covering device 10 further includes a plurality of edge covering mechanisms for covering the straight edges of the central control skeleton, and the like, which are not described in detail in the prior art.

The upper die 11 is used for carrying a middle control framework to be coated, the upper die 11 fixes the middle control framework through a vacuum chuck and a clamping jaw, and the detailed description of the prior art is omitted.

The lower die 12 is used for carrying a coating skin, the lower die 12 is provided with a plurality of positioning pins and a vacuum adsorption assembly 121, the skin is pre-positioned through the positioning pins, the skin is pre-positioned to a position corresponding to the middle control framework, and then the vacuum adsorption assembly 121 is used for adsorbing and fixing the skin.

Fig. 2 is a partial structural view of the lower die in the present embodiment.

Fig. 3 is an orthographic view of the structure of the lower mold portion in this embodiment.

As shown in fig. 2 and 3, the vacuum positioning assembly 121 is disposed in the lower mold 12 and includes a vacuum positioning plate 1211 and a plurality of insert members 1212.

A vacuum positioning plate 1211 is positioned in the middle of the upper surface of the lower mold 12, and the vacuum positioning plate 1211 forms a cavity surface together with the surrounding raised structure. The vacuum positioning plate 1211 is formed with a plurality of vacuum suction holes 1211a, and the vacuum suction holes 1211a are circular through holes. The respective vacuum adsorption holes 1211a may have the same or different diameters according to a desired adsorption effect.

The plurality of vacuum suction holes 1211a are all communicated with the cavity of the lower mold 12, and are further communicated with a vacuum pumping device (not shown in the figure) through the cavity of the lower mold 12, and a plurality of vacuum pumping pipes 91 of the vacuum pumping device are shown in figure 2.

The plurality of insertion members 1212 are respectively fitted into the respective vacuum suction holes 1211a for inserting the corresponding vacuum suction holes 1211a, thereby adjusting the suction force at the vacuum suction holes 1211 a.

Fig. 4 is a structural view of the insert in the present embodiment.

Fig. 5 is a view showing the construction of the insert of the present embodiment from different angles.

As shown in fig. 4 and 5, the insert 1212 includes a fitting portion 12121 and a suction portion 12122.

The fitting portion 12121 has a hollow cylindrical shape and a size that matches the corresponding vacuum suction hole 1211a, so that the fitting portion 12121 can be fitted into the corresponding vacuum suction hole 1211a, and the outer wall of the fitting portion 12121 abuts against the inner wall of the vacuum suction hole 1211a, thereby fixing the insert 1212 to the corresponding vacuum suction hole 1211 a.

The adsorption portion 12122 is disposed at one end of the fitting portion 12121, that is, one end of the fitting 1212 along the center line of the cylinder is an adsorption portion 12122, and the other end of the fitting 1212 is penetrated outward, the adsorption portion 12122 is circular, the diameter of the adsorption portion 12122 is identical to the diameter of the fitting portion 12121, and a plurality of penetrating adsorption bar holes 12122a are disposed on the adsorption portion 12122 for adjusting the speed and flux of the air flow passing through the adsorption portion 12122, thereby adjusting the adsorption force of the adsorption portion 12122 on the skin. In this embodiment, the number of the adsorption bar holes 12122a is four, the four adsorption bar holes 12122a are provided in the adsorption portion 12122 in parallel and at equal intervals, and the width of each adsorption bar hole 12122a is 1 mm.

As shown in fig. 4 and 5, both end portions of each of the adsorption bar holes 1221 extend onto the fitting portion 121, and the end portions of the adsorption bar holes 1221 in the fitting portion 121 are also penetrated.

When the insert 12 is mounted on the vacuum positioning plate 1211, the adsorption part 122 protrudes upward from the upper surface of the vacuum positioning plate 1211 such that the end of the adsorption bar hole 12122a is exposed, and thus, when vacuum is drawn, air flow can also pass through the end, thereby generating radial adsorption force.

Meanwhile, as shown in fig. 4 and 5, a vacuum adsorption hole 1211a with a larger diameter is formed in the middle of the vacuum adsorption plate 1211, and correspondingly, an embedded part 1212 with a larger diameter is adopted, and four adsorption strip holes 12122a are formed in the embedded part 1212; the edge of the vacuum absorption plate 1211 is provided with a vacuum absorption hole 1211a having a smaller diameter, and correspondingly, an embedded member 1212 having a smaller diameter is provided with two or three absorption bar holes 12122a, so that different absorption forces are generated at different positions.

In addition, the plurality of insert pieces 1212 are detachably mounted in the corresponding vacuum suction holes 1211a, and when the skin for covering is switched and different suction force is required, the insert piece 1212 may be detached and replaced with another insert piece 1212 having a different suction bar hole 12122a or a suction bar hole 12122a with a different width.

The thread-aligning mechanism 20 is used for aligning the sewing thread on the surface skin and preventing the sewing thread from twisting or position deviation in the covering and edge-covering process. The aligning mechanism 20 comprises a plurality of aligning knife assemblies 21, a plurality of adjusting assemblies 22, a turnover driving assembly 23 and a limiting assembly 24.

Fig. 6 is a structural view of the thread aligning mechanism in the present embodiment.

Fig. 7 is a side view of the thread aligning mechanism in the present embodiment.

As shown in fig. 6 and 7, the routing knife assembly 21 includes a connector 211 and a routing knife 212, one end of the routing knife 212 is attached to the connector 211 by a fastener such as a screw, and the other end is a routing end 212a for routing. The link 211 is mounted on the tumble drive assembly 23.

In this embodiment, the number of the thread-positioning knife assemblies 21 is three, and correspondingly, the number of the thread-positioning knives 212 is three, the thread-positioning ends 212a of the three thread-positioning knives 212 respectively have a predetermined arc, and the three thread-positioning ends 212a are sequentially arranged to form a curve having a predetermined shape and arc, and the curve is matched with the length and shape of the sewing thread.

The adjustment assembly 22 is used for adjusting the position of the corresponding routing knife assembly 21, namely, the position of the routing end 212 a.

Fig. 8 is a block diagram of the routing knife assembly and the adjusting assembly in this embodiment.

As shown in fig. 8, the adjusting assembly 22 includes a support rod 221, a plurality of guide rods 222, an operating handle 223, a linkage 224, and a locking cylinder 225.

The support rod 221 is a square rod, the cross section of the support rod is square, two guide rod through holes 2211 and a linkage rod through hole 2212 are formed in the support rod 221, the guide rod through holes 2211 are circular through holes matched with the guide rod 222, the linkage rod through holes 2212 are circular through holes matched with the linkage rod 224, and the guide rod through holes 2211 are consistent with the extension direction of the linkage rod through holes 2212. In addition, in the embodiment, the supporting rods 221 of the adjusting assemblies 22 are integrally formed square rods, and the square rods have a certain radian along the extending direction of the square rods, so that the three routing ends 212a form a curve matched with the sewing thread.

One end of the guide bar 222 is fixedly connected with the connecting piece 211 and simultaneously passes through the corresponding guide bar through hole 2211 to form guide fit, so that the guide function is realized when the height of the wire fixing knife 212 is adjusted.

The operating handle 223 and the linkage 224 are used for adjusting the height of the wire fixing knife 212 relative to the skin, one end of the operating handle 223 is rotatably mounted on the supporting rod 221, the other end of the operating handle 223 is spherical, the operating worker can grasp the operating handle conveniently, the middle of the operating handle 223 is rotatably connected with one end of the linkage 224, and the other end of the linkage 224 is fixedly connected with the connecting piece 211.

The locking cylinder 225 is disposed between the support rod 221 and the routing knife assembly 21, and the output end of the locking cylinder abuts against the end of the connecting piece 211 facing the support rod 221, so as to lock the height of the routing knife 212 when the routing knife assembly 21 is turned over to a predetermined position, thereby preventing the malfunction of the routing knife from causing injury to operators or affecting the work of other executing mechanisms.

Fig. 9 is a partial structural view of the tumble drive unit in this embodiment.

As shown in fig. 6 and 9, the tumble drive assembly 23 includes a tumble holder 231, a rotating shaft 232, a swing arm 233, a gear 234, a rack 235, and a tumble drive cylinder 236.

Both ends of the rotation shaft 232 are respectively installed on the turnover bracket 231 through a bearing assembly, and the rotation shaft 232 extends in a horizontal direction.

One end of each swing arm 233 is rotatably mounted on the rotating shaft 232, the other end of each swing arm 233 is used for mounting the alignment cutter assembly 21, the number of the swing arms 233 is two, the two swing arms 233 are respectively mounted at positions close to the two ends of the rotating shaft 232, and three alignment cutter assemblies 21 are mounted between the two extending ends of the two swing arms 233. In addition, two circular rods are installed between the two swing arms 233 for reinforcing structural strength.

The gear 234 is fixedly connected with one end of the rotating shaft 232 and is coaxially arranged, the gear 234 is meshed with the rack 235, the rack 235 extends in the vertical direction, and the middle of the rack 235 is connected with the output end of the overturning driving cylinder 236 through an adapter. Therefore, under the driving of the turning driving cylinder 236, the rack 235 moves upwards to drive the gear 234 to rotate clockwise, the rotating shaft 232 rotates synchronously, and the swing arm 233 is driven to turn clockwise, so that the routing knife assembly 21 is close to the skin loaded on the mold; similarly, under the driving of the turning driving cylinder 236, the rack 235 moves downward to drive the gear 234 to rotate counterclockwise, the rotating shaft 232 rotates synchronously, and the swing arm 233 is driven to turn counterclockwise, so that the routing knife assembly 21 is far away from the skin placed on the mold.

The limiting assembly 24 is used for limiting the turning angle of the swing arm 233 towards two directions, namely the turning angle and the position of the limiting routing knife assembly 21. The limiting assembly 24 comprises a limiting member 241, a limiting bracket 242, a limiting connecting rod 243, a limiting cylinder 244 and a limiting column 245, and is arranged at a position corresponding to clockwise turning.

The limiting member 241 is fixedly installed on the rotating shaft 232 and can rotate synchronously with the rotating shaft 232, and the limiting member 241 has an extending portion 2411 which extends outwards and has a gradually narrowed size.

The spacing link 242 has one end rotatably mounted on the spacing bracket 241 and the other end rotatably mounted at the output end of the spacing cylinder 244. An abutting part 2431 is installed at the middle part of the limiting connecting rod 242, and one side of the extending part 2411 of the limiting part 241 has a structure matched with the abutting part 2431.

Fig. 10 is a structural view of the thread aligning mechanism in the pressing position in the present embodiment.

As shown in fig. 10, when the wire fixing blade assembly 21 is turned to the pressing position, the extending portion 2411 abuts against the abutting portion 2431, so as to limit the rotation angle of the limiting member 241 and the rotation shaft 232, that is, the turning angle and position of the wire fixing blade assembly 21. At this time, the routing knife assembly 21 is close to the skin on the mold, and the routing knife 212 is substantially vertical, so that the operator can further precisely adjust the height of the routing end portion 212a relative to the skin by operating the handle 223 and start the routing operation.

Fig. 11 is a structural view of the thread aligning mechanism at the inverting position in the present embodiment.

As shown in fig. 11, the position limiting assembly 24 further includes two position limiting posts 245 disposed at a side corresponding to the counterclockwise turning, and the positions of the two position limiting posts 245 correspond to the two swing arms 233, respectively.

When the routing knife assembly 21 is turned to the turning position, the two swing arms 233 are respectively abutted to the limiting posts 245 on the corresponding sides, so as to limit the rotation angles of the limiting member 241 and the rotating shaft 232, that is, the turning angle and the position of the routing knife assembly 21. At this moment, in the vertical direction, swing arm 233 and alignment knife tackle spare 21 do not have the sheltering from completely to mould and epidermis, and the operation workman just can place the epidermis on the mould, or starts subsequent operations such as borduring, hot pressing through corresponding industrial computer.

As shown in fig. 6, 7 and 11, the proximity sensor 251 is further disposed at a side of the rack 235 and at a height corresponding to the turning position, and the two magnetic switches 252 are further disposed at a side of the turning driving cylinder 236 and at positions corresponding to the pressing position and the turning position, respectively, so that under the control of the corresponding industrial personal computer, automatic control can be achieved, for example, when the proximity sensor 251 senses the adaptor 2351, that is, when the proximity sensor 251 senses that the adaptor 2351 is turned to the right position, the routing knife assembly 21 is at a predetermined turning position, and at this time, under the control of the industrial personal computer, the plurality of locking cylinders 225 lock the corresponding routing knife 212 so that the routing knife will not be displaced any more.

After the alignment and the covering are finished, the edge of the central control framework can be covered.

Fig. 17 is a partial configuration diagram of the upper die and the corner binding mechanism in the present embodiment.

Fig. 18 is a partial configuration diagram of an upper die and a corner binding mechanism at different angles in the present embodiment.

As shown in fig. 17 and 18, the center control frame 100 placed on the upper mold 12 has a concave and inclined hypotenuse 101, one side of the hypotenuse 101 is turned upward to form a substantially arc-shaped side surface 1011, the lower side of the hypotenuse 101 is an upright surface 1012, and the upright surface 1012 is twisted by a small angle substantially about the longitudinal direction of the center control frame 100, so that the shape of the hypotenuse 101 is complicated, and the edge binding mechanism in the related art is only applied to a straight edge, and thus it is impossible to automatically bind the thus complicated structure of the hypotenuse 101.

Fig. 19 is an enlarged view of a part in frame a in fig. 17.

As shown in fig. 19, the corner 102 of the middle control framework 100 is stepped, has a small size, and gradually becomes smaller from bottom to top, and the corner binding mechanism in the prior art is only suitable for corners with simple shapes, such as corners with right angles, and cannot automatically bind the corner 102 with a complicated structure.

Fig. 12 is a diagram showing the distribution positions of the plurality of hemming mechanisms in the present embodiment.

As shown in fig. 12, a plurality of hemming mechanisms are provided around the lower die 12, that is, around the covered middle control skeleton 100, and are respectively used for hemming each part of the edge of the middle control skeleton 100. The plurality of hemming mechanisms include a corner hemming mechanism 30 for hemming the corner 102, a bevel edge hemming mechanism 40 for hemming the bevel edge 101, and a plurality of conventional edge and corner hemming mechanisms.

Fig. 13 is a structural view of the corner binding mechanism in the present embodiment.

As shown in fig. 13, the corner hemming mechanism 30 includes a clamping member 31, a clamping driving member 32 and a bracket 33, wherein the clamping member 31 is used for clamping the end of the skin, and the clamping member 31 includes a movable member 311 and a fixed member 312; the clamping and laminating driving assembly 32 is used for driving the clamping assembly 31 to clamp, coat and laminate, and the clamping and laminating driving assembly 32 comprises a clamping cylinder 321, a forward pushing cylinder 322 and a lifting cylinder 323.

The middle part of the movable piece 311 is rotatably installed at the end part of the bracket 33 through a rotating shaft, one end of the movable piece 311 is rotatably installed on the output shaft of the clamping cylinder 321, and the other end of the movable piece 311 is a clamping jaw for clamping the end part of the skin.

The fixed member 312 is fixedly installed at an end portion of the bracket 33 and extends substantially in a vertical direction, and the movable member 311 is disposed to correspond to the fixed member 312. The movable member 311 and the fixed member 312 cooperate to form a jaw that tapers from a central portion to an end portion, the end portion (i.e., the grasping end portion of the grasping assembly 31) having a size that matches the size of the corner portion 101 to facilitate accurate grasping and wrapping of the end portion of the skin.

The clamping cylinder 321 is used for driving the movable element 311 to rotate along the rotating shaft, so that the clamping jaws in the shapes of the movable element 311 and the fixed element 312 are opened and closed, and when the movable element 311 rotates to a substantially vertical direction, the clamping assembly 31 clamps the skin.

The forward pushing cylinder 322 is used for driving the clamping assembly 31 to move backwards (i.e. towards the direction away from the middle control skeleton), so as to tension the clamped skin; and for driving the clamping assembly 31 to move forward (i.e., in a direction toward the corners of the center control skeleton), so that the clamped skin is curled to wrap the corners 101 of the center control skeleton 100.

The lifting cylinder 323 is used for driving the clamping assembly 31 to move upwards (i.e. away from the corner of the middle control framework), so as to tension the clamped skin; and the clamping assembly 31 is driven to press downwards, so that the clamped skin covers the corner part 101 of the middle control framework 100 and is fixedly adhered to the corner part 101.

In addition, the plurality of cylinders are all connected to an industrial personal computer, and a plurality of sensors, magnetic control switches and the like are further arranged in the corner hemming mechanism 30, so that the corner hemming mechanism 30 of the embodiment can perform automatic corner hemming under the control of the industrial personal computer.

Fig. 14 is a structural view of the bevel edge binding mechanism in the present embodiment.

Fig. 15 is a partial configuration diagram of the bevel edge binding mechanism in the present embodiment.

Fig. 16 is a partial configuration diagram of the bevel edge binding mechanism according to the present embodiment, in different angles.

As shown in fig. 14-16, the bevel-portion hemming mechanism 40 includes a clincher 401, a hemming member 402, a clincher drive member 403, an ascending cover member 404, an ascending drive cylinder 405, a side cover member 406, a side cover drive cylinder 407, a small cover drive cylinder 408, a skin inverting member 409, an inverting drive cylinder 410, and a pressing drive cylinder 411.

The turning clamp 401 cooperates with the hemming member 402 to form a clamping structure for clamping the hem portion of the skin for wrapping the hem portion.

The flip clamp drive assembly 403 is used to drive the flip clamp 401 to flip toward the hemmer 402, thereby clamping the skin edge, and to drive the flip clamp 401 to flip in the opposite direction, thereby releasing the skin edge.

The overturning clamping driving assembly 403 comprises a rotating shaft 4031, a synchronous pulley 4032, a synchronous belt 4033, an overturning driving cylinder 4034 and a tensioning driving cylinder 4035, wherein the edge covering piece 402 is fixedly installed at a preset position beside the lower die 12 through a bracket, one end of the edge covering piece 402 is close to the rotating shaft 4031, the overturning clamping piece 401 is rotatably installed on the rotating shaft 4031 through a pair of pivot holes at the end part of the overturning clamping piece, so that the overturning clamping piece 401 and the edge covering piece 402 form a clamp capable of being opened and closed, the synchronous pulley 4032 is fixedly installed at one end of the rotating shaft 4031, the synchronous belt 4033 is simultaneously sleeved on the output shafts of the synchronous pulley 4032 and the overturning driving cylinder 4034, and therefore the overturning driving cylinder 4034 can drive the overturning clamping piece 401 to overturn through a synchronous belt meshing transmission mode. The tightening driving cylinder 4035 is used to drive the turning clamp 401 and the hemming member 402 to ascend after the turning clamp 401 and the hemming member 402 clamp the edge of the skin, thereby tightening the skin.

The rising cover 404 is used for rising and pressing to cover the skin edge portion and the vertical surface of the bevel edge 101. The upper end of the rising cover 403 has a bevel that matches the facade 1012 of the hypotenuse section 101.

The ascending driving cylinder 405 drives the ascending cover 403 to ascend and descend.

The side cover member 406 is adapted to cooperate with the cover member 402 to provide side cover so that the edge of the skin overlaps the side 1011 of the beveled edge 101. The upper portion of the side covering member 406 and the lower portion of the binding member 402 each have a configuration that matches the side 1011 of the beveled portion 101.

The side cover driving cylinder 407 is used to drive the binding member 402 toward the side cover 406.

The facet covering driving cylinder 408 is used for driving the edge covering piece 402 to be further pressed downwards after the vertical face covering and the side face covering are finished, so that the edge part of the skin is pressed downwards to cover the facet of the bevel edge part 101.

The skin pushing-down piece 409 is used for pushing down the edge of the skin towards the middle control member framework 100 after the vertical face covering and the side face covering are completed, so that the skin forms a curled covering structure on the bevel edge part 101 of the middle control member framework 100. The side of the skin inverter 409 facing the bevel portion 101 has a shape matching the bevel portion 101.

The skin inverting drive cylinder 410 is used to drive the skin inverting member 409 to move in a substantially horizontal direction toward the center control skeleton 100, thereby inverting the skin edge.

The downward pressing driving cylinder 411 is used for driving the skin pushing piece 409 to be pressed downward, so that the skin edge part covering the bevel edge part is pressed and attached to the bevel edge part 101, and edge covering is completed.

In addition, the plurality of driving cylinders are all connected to an industrial personal computer, and a plurality of sensors, a magnetic control switch and the like are further arranged in the bevel edge portion edge covering mechanism 40, so that the bevel edge portion edge covering mechanism 40 of the embodiment can carry out full-automatic bevel edge portion edge covering under the control of the industrial personal computer.

The hot-pressing mechanism is used for heating the middle control framework and the surface skin after edge covering is finished, activating glue on one side of the surface skin, and pressing the middle control framework and the surface skin through the upper die 11 and the lower die 12 to be firmly bonded together, so that a final middle control product is formed. The hot pressing mechanism comprises a plurality of infrared lamp tubes for heating, a die assembly driving cylinder for die assembly and the like, and specific details are omitted in the prior art.

In addition, still be provided with the coolant liquid passageway that is used for flowing the coolant liquid and be used for detecting the temperature sensor of coolant liquid temperature in the coolant liquid passageway in the last mould 11 of this embodiment and the lower mould 12, consequently, can also guarantee that glue film temperature descends rapidly after the compound die, reaches higher just adhesion, prevents the in-process of heating glue simultaneously, and the one side of well controlling part skeleton is heated too high and produces the deformation.

As described above, the middle control hemming device 10 of this embodiment can automatically complete the whole process of hemming of middle control member covering under the control of the industrial personal computer.

Examples effects and effects

According to the middle control edge covering device provided by the embodiment, the middle control edge covering device comprises a die, an alignment mechanism, a bevel edge covering mechanism, a corner edge covering mechanism and a hot pressing mechanism, the alignment mechanism is provided with a plurality of wire fixing cutters, and the end parts of the plurality of wire fixing cutters form preset straight lines or curves, namely, the preset straight lines or curves are formed to be matched with the sewing threads on the surface skin, so that the sewing threads on the surface skin can be positioned, the sewing threads are prevented from being twisted or shifted when the edge covering is covered; due to the adoption of the bevel edge part edge covering mechanism, the inward concave and inclined bevel edge part of the central control framework can be covered; because the corner edge covering mechanism is arranged, the step-shaped small-size corner of the central control framework can be covered; due to the hot pressing mechanism, the middle control framework and the surface skin which are subjected to edge covering can be heated and pressed through the die, and a final middle control product is obtained. In conclusion, the central control edge covering device can perform line alignment, edge covering of the bevel edge part, corner edge covering and hot pressing, basically covers the whole process of covering and covering the edge by the central control part, has high automation degree, can improve the production efficiency, reduce the labor intensity of operators, and is favorable for improving the quality and consistency of final products.

Furthermore, the bevel edge part edge covering mechanism is provided with an edge covering piece and a turning clamping piece which form a clamping structure, so that the edge part of the skin can be clamped; the rising covering piece with the end shape matched with the vertical face of the bevel edge part is arranged, so that the skin edge part and the vertical face of the bevel edge part can be covered; the side surface covering piece is arranged, and the shapes of the end parts of the side surface covering piece and the edge covering piece which are oppositely arranged are matched with the side surface of the bevel edge part, so that the side surface of the skin edge part and the side surface of the bevel edge part can be covered; because the surface skin pushing-down piece is arranged, the edge part of the surface skin which is finished with the vertical surface covering and the side surface covering can be pushed down towards the direction of the workpiece framework to form a covering structure. Therefore, the bevel edge binding mechanism of the embodiment of the invention can complete the binding operation of the bevel edge with a complex structure.

Furthermore, the corner edge covering mechanism is provided with a clamping assembly, and the clamping and covering driving assembly is provided with a clamping cylinder for driving the clamping assembly to open and close, so that the end part of the skin can be clamped; due to the forward pushing cylinder, the clamping assembly clamped with the end part of the surface skin can be driven to move towards the corner part, so that the surface skin is curled to cover the corner part of the workpiece framework; because the lifting cylinder is arranged, after the corner part is covered by the surface skin, the clamping assembly clamping the surface skin end part can be driven to press downwards towards the corner part, so that the surface skin end part is covered and attached to the corner part. Therefore, the corner edge covering mechanism of the embodiment of the invention can complete edge covering operation of corners with complicated structures and small sizes.

The above-described embodiments are merely illustrative of specific embodiments of the present invention, and the present invention is not limited to the description of the above-described embodiments.

Claims

1. The utility model provides a well accuse device of borduring for control in the formation of control in the control skeleton is coated to the epidermis in, this epidermis has the sewing thread, and this well control skeleton has the hypotenuse portion that has indent and slope and is the bight of step form, its characterized in that includes:

the mould is provided with an upper mould and a lower mould which are matched with each other, the upper mould is used for carrying the middle control framework, and the lower mould is used for carrying the surface skin;

the thread aligning mechanism is used for aligning the sewing thread;

the bevel edge part edge covering mechanism is used for covering the bevel edge part;

the corner edge covering mechanism is used for covering the corners; and

the hot-pressing mechanism is used for heating the middle control framework and the surface skin after edge covering is finished and pressing the middle control framework and the surface skin through the die,

wherein, the pair line mechanism includes:

a plurality of thread setting knives for setting a thread of the sewing thread, wherein the ends of the thread setting knives form a predetermined straight line or curve;

a plurality of adjusting components, which are respectively used for adjusting the position of the corresponding wire fixing knife relative to the epidermis; and

and the overturning driving component is used for driving the alignment knife to overturn so as to enable the alignment knife to be close to or far away from the epidermis.

2. The central control hemming device according to claim 1, wherein:

wherein the tumble drive assembly includes:

a support;

the rotating shaft is arranged on the bracket and extends along the horizontal direction;

one end of the swing arm is rotatably arranged on the rotating shaft, and the other end of the swing arm is provided with the adjusting component;

a gear installed at one end of the rotating shaft;

the rack is meshed with the gear; and

the turnover driving cylinder is provided with an output end fixedly connected with the rack.

3. The central control hemming device according to claim 1, wherein:

wherein the adjustment assembly comprises:

the supporting rod is arranged at the end part of the swing arm and is provided with a linkage rod through hole;

the operating handle is used for adjusting the height of the wire fixing knife; and

and one end of the linkage rod is connected with the alignment cutter, and the other end of the linkage rod is connected with the operating handle and penetrates through the linkage rod through hole.

4. The central control hemming device according to claim 1, wherein:

wherein, the aligning mechanism also comprises a limiting component,

this spacing subassembly has:

the limiting piece is fixed in the middle of the rotating shaft and is provided with an extending part extending outwards; and

and the output end of the limiting cylinder is in transmission connection with the extending part and is used for limiting the rotating angle of the limiting part so as to limit the rotating angle of the wire fixing cutter.

5. The central control hemming device according to claim 1 further comprising:

wherein, the mechanism of borduring of bevel connection portion includes:

a binding piece;

the turnover clamping piece is matched with the edge wrapping piece to form a clamping structure and used for clamping the edge part of the skin;

the rising covering piece is provided with an end part matched with the vertical surface and is used for covering the edge part of the skin with the vertical surface;

the side covering piece is matched with the edge covering piece to cover the edge part of the surface skin and the side; and

the surface skin pushing piece is used for pushing the edge part of the surface skin towards the middle control piece framework so as to form a cladding structure,

wherein, the relative both ends that set up of bordure spare and side closure spare all have with the shape of side assorted.

6. The central control hemming device according to claim 5, wherein:

wherein the bevel edge covering mechanism also comprises a turning clamping driving component,

the flip clamp drive assembly has:

the turnover driving cylinder is used for driving the turnover clamping piece to turn over towards the edge-covering piece and attach to the edge-covering piece, so that the edge part of the skin is clamped;

a rotating shaft;

the synchronous belt wheel is arranged at one end of the rotating shaft; and

a synchronous belt sleeved on the synchronous belt wheel and the output shaft of the turnover driving cylinder,

wherein the flipping clamp is rotatably mounted on the rotating shaft.

7. The central control hemming device according to claim 5, wherein:

wherein, the mechanism of borduring of bevel connection portion still includes:

the lifting driving cylinder is used for driving the lifting covering piece to lift so as to enable the skin edge part to be covered with the vertical surface;

the side surface covering driving cylinder is used for driving the edge covering piece to press towards the side surface covering piece, so that the edge part of the surface skin is covered with the side surface;

a small face covering driving cylinder for driving the edge-covering piece to be pressed downwards so as to enable the edge part of the surface skin to cover the small face of the oblique edge part;

the skin overturning driving cylinder is used for driving the skin overturning part to move towards the middle control part framework so as to overturn the edge part of the skin; and

and the downward pressing driving cylinder is used for driving the skin pushing piece to be downward pressed, so that the edge part of the skin is pressed and attached to the oblique edge part.

8. The central control hemming device according to claim 1, wherein:

wherein, the mechanism of borduring in bight includes:

a clamping assembly for clamping the skin end; and

a clamp compound drive assembly comprising:

the clamping cylinder is used for driving the clamping assembly to open and close so as to clamp the end part of the skin;

a forward-push cylinder for driving the clamping assembly clamping the skin end portion to move towards the corner portion, so that the skin end portion covers the corner portion; and

and the lifting cylinder is used for driving the clamping assembly which movably clamps the end part of the skin to be pressed downwards towards the corner part, so that the end part of the skin covers and is attached to the corner part.

9. The central control hemming device according to claim 1, wherein:

wherein the lower die is provided with a vacuum positioning assembly for fixing the surface skin on the lower die in a vacuum adsorption mode,

the vacuum positioning assembly comprises:

the vacuum positioning plate is provided with a plurality of vacuum adsorption holes communicated with the vacuumizing device; and

the embedded pieces are respectively matched with the vacuum adsorption holes, and are detachably embedded into the corresponding vacuum adsorption holes, so that the adsorption force of the vacuum adsorption holes is adjusted.

10. The central control hemming device according to claim 9 wherein:

wherein the vacuum adsorption holes are circular,

the embedment has:

a fitting part having a hollow cylindrical shape and fitted into the corresponding vacuum suction hole; and

the adsorption part is circular and is arranged at one end of the embedding part, and a plurality of through adsorption strip holes are formed in the adsorption part and used for adjusting the adsorption force.