CN111716868A

CN111716868A - Covering machine for spare tire cover plate and processing technology of covering machine

Info

Publication number: CN111716868A
Application number: CN202010655855.3A
Authority: CN
Inventors: 刘启超; 郑伟; 刘崇高; 何正切; 苏汝见
Original assignee: Wuhan Howin Automobile Parts Co ltd
Current assignee: Wuhan Howin Automobile Parts Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-09-29
Anticipated expiration: 2040-07-09
Also published as: CN111716868B

Abstract

The application relates to the field of automobile part processing, in particular to a covering machine for a spare tire cover plate and a processing technology of the covering machine, wherein the covering machine comprises a machine table and a machine frame, a lower pressing plate capable of sliding up and down is arranged on the upper side of the machine table, and a lower pressing piece used for driving the lower pressing plate to slide up and down is arranged between the machine table and the lower pressing plate; a plurality of edge wrapping blocks are arranged on the periphery of the lower pressing plate on the upper side of the machine table, the lower sides of the edge wrapping blocks are higher than the upper side of the lower pressing plate, and a plurality of driving pieces for respectively driving the edge wrapping blocks to be close to or far away from the lower pressing plate to slide are arranged on the upper side of the machine table; the frame is equipped with the board upside, and the gliding top board from top to bottom is located to the board top, is equipped with between top board and the frame to be used for driving the gliding top casting die of top board from top to bottom. This application has the effect that improves the quality of borduring of spare tyre cover board.

Description

Covering machine for spare tire cover plate and processing technology of covering machine

Technical Field

The application relates to the field of automobile part processing, in particular to a covering machine for a spare tire cover plate and a processing technology of the covering machine.

Background

The automobile spare tire cover plate product is arranged in an automobile trunk and used for separating a spare tire bin from the trunk, the spare tire bin, the trunk cover plate product plays a role in shielding spare tires and vehicle tools and bearing articles in the trunk, and the surface state plays a role in decorating the trunk. The existing spare tire cover plate material mainly comprises PP injection molding, a PP cellular board, a hard fiberboard and the like, wherein the cellular board has a plurality of advantages of light weight, heat preservation, heat insulation, shock resistance and the like, so that the PP cellular board is used most in various boards.

The spare tire cover plate is mainly used for shielding a spare tire stored in the trunk, so that the aesthetic feeling of the trunk is improved, a blanket surface b is generally required to be attached to one side of a PP cellular board a in the processing process of the spare tire cover plate, so that the defects on the surface of the PP cellular board a are conveniently shielded, the hand feeling of the spare tire cover plate is improved, and when the blanket surface b is attached to one side of the PP cellular board a, the edge of the blanket surface b is generally required to be attached to the other side of the PP cellular board a in order to enable the blanket surface b to be attached more firmly. Fig. 5 shows a state where the carpet face b is attached to the PP honeycomb panel a.

A packing frock of spare tyre cover board that is commonly used on the market at present is mainly as shown in fig. 6, including constant head tank c, a plurality of bordure piece d and a plurality of cylinders e that are used for the drive to bordure the piece gliding, during borduring, places blanket face and PP honeycomb panel in constant head tank c, promotes by cylinder e again that bordure piece d removes to PP honeycomb panel top, promotes the upside of PP honeycomb panel with the edge of blanket face and realizes the edge and the PP honeycomb panel laminating of blanket face by borduring piece d to this operation of borduring is accomplished.

When the carpet face was laminated with the PP honeycomb panel, generally utilize the glue bonding, when glue bonding carpet face and PP honeycomb panel, need continuously make PP honeycomb panel and carpet face paste tightly, when the piece that bordures slides to the upside of PP honeycomb panel, because the piece that bordures can slide to the upside of PP honeycomb panel, thereby it still has the clearance to exist to bordure between piece and the carpet face, it is difficult to compress tightly the edge of carpet face and PP honeycomb panel to bordure the piece promptly, influence the edge of carpet face and the bonding fastness of PP honeycomb panel, the processingquality of borduring of spare tyre cover board is influenced.

Disclosure of Invention

In order to improve the quality of borduring of spare tyre apron, the utility model provides an aim at of this application provides a taping machine of spare tyre apron.

The purpose of the application is to adopt the following technical scheme:

a covering machine for a spare tire cover plate comprises a machine table and a machine frame, wherein a lower pressing plate capable of sliding up and down is arranged on the upper side of the machine table, and a lower pressing piece used for driving the lower pressing plate to slide up and down is arranged between the machine table and the lower pressing plate;

a plurality of edge wrapping blocks are arranged on the periphery of the lower pressing plate on the upper side of the machine table, the lower sides of the edge wrapping blocks are higher than the upper side of the lower pressing plate, and a plurality of driving pieces used for driving the edge wrapping blocks to be close to or far away from the lower pressing plate to slide are arranged on the upper side of the machine table;

the frame is arranged on the upper side of the machine table, an upper pressing plate capable of sliding up and down is arranged above the machine table, and an upper pressing piece used for driving the upper pressing plate to slide up and down is arranged between the upper pressing plate and the frame.

By adopting the technical scheme, when the edge covering operation is carried out, the lower pressing plate is driven by the lower pressing piece to descend, then the carpet surface and the PP cellular board which are pressed together are placed on the lower pressing plate, the upper pressing plate is driven by the upper pressing piece to be pressed down to the upper side of the PP cellular board, the PP cellular board is conveniently clamped, then the plurality of edge covering blocks are respectively driven by the plurality of driving pieces to slide towards the lower pressing plate, the edge of the carpet surface is pushed to the upper side of the PP honeycomb plate, the upper pressing piece and the lower pressing piece drive the lower pressing plate and the upper pressing plate to rise respectively, the PP honeycomb plate and the carpet surface on the upper side of the lower pressing plate are driven to rise, the carpet surface on the upper side of the PP honeycomb plate is clamped by the lower side of the edge covering block, therefore, the carpet surface and the PP cellular board are continuously in a compression state, the edge of the carpet surface is firmly adhered to the PP cellular board, and the edge covering quality of the spare tire cover plate is improved.

Preferably, the upper sides of the plurality of edge covering blocks are provided with guide blocks, and one side of each guide block is flush with one side, close to the lower pressing plate, of the edge covering block.

By adopting the technical scheme, when the PP cellular board and the carpet surface are placed on the lower pressing plate, the PP cellular board and the carpet surface are easily placed between the plurality of edge covering blocks under the limiting guide of the plurality of guide blocks, so that the PP cellular board and the carpet surface are conveniently placed and installed.

Preferably, the upper side of the guide block is arranged close to the edge of the lower pressure plate in a circular arc transition mode.

Through adopting above-mentioned technical scheme, the edge circular arc transition back that the guide block upside is close to the holding down plate, the PP honeycomb panel of being convenient for and blanket face slide to the holding down plate upside.

Preferably, a light-sensitive switch is embedded on the upper side of the lower pressing plate.

By adopting the technical scheme, the light sense switch judges whether the carpet surface and the PP cellular board are placed flatly on the lower pressing plate or not, and the possibility that the PP cellular board is damaged due to the fact that the PP cellular board is not placed flatly is reduced.

In order to improve the edge covering quality of the spare tire cover plate, the second purpose of the application provides a processing technology of the spare tire cover plate.

The second purpose of the application is to adopt the following technical scheme:

a processing technology of a spare tire cover plate is based on the edge covering machine of the spare tire cover plate, and comprises the following steps:

s1, spraying glue and compounding: spraying glue on one side of the PP cellular board, adhering the blanket surface to the glue spraying side of the PP cellular board, and pressing the PP cellular board and the blanket surface together, wherein the position of the blanket surface beyond the PP cellular board is an edge covering strip;

s2, spraying glue and wrapping: spraying glue on one side of the edge covering strip facing the PP honeycomb plate, standing the edge covering strip after the glue is sprayed, and finally covering edges by using the edge covering machine for the spare tire cover plate;

s3, hot-pressing cutting: hot-pressing crease on one side of the PP honeycomb plate, which is away from the blanket surface;

s4, accessory assembling: fixing a magic tape at the edge of one side of the carpet surface of the PP cellular board, and sticking sound-absorbing cotton at one side of the PP cellular board, which is away from the carpet surface;

wherein the packet edge process in S2 includes: an initial pressure stage, a pressure maintaining stage and a pressure releasing stage.

Through adopting above-mentioned technical scheme, earlier with blanket face adhesion in one side of PP honeycomb panel, conveniently decorate PP honeycomb panel, and improve spare tyre cover's aesthetic feeling, fix the edge bonding of blanket face at the opposite side of PP honeycomb panel again, the blanket face wraps the edge of PP honeycomb panel, wherein through initial pressure stage, pressurize stage and back pressure stage, the quality of borduring of blanket face is promoted, thereby conveniently accomplish spare tyre cover's preparation through subsequent hot pressing cutting and annex assembly again.

Preferably, when the PP honeycomb plate and the carpet face are pressed in S1, the carpet face is cut at the same time so that the length of the carpet face exceeding the PP honeycomb plate is uniform, and a plurality of separation grooves are cut at the corners of the carpet face at the same time.

Through adopting above-mentioned technical scheme, the blanket face after the cutting makes the width of borduring strip even to this aesthetic feeling after improving borduring, and because the edge of borduring strip is cut a plurality of separating groove, convenient follow-up borduring strip cladding with the edge in the upside of PP honeycomb panel has reduced the fold of borduring strip edge, improves the quality of borduring.

Preferably, the initial pressure stage is as follows: the holding down plate rises to the downside parallel and level with the piece of borduring, and PP honeycomb panel and the blanket face after the pressfitting are placed on the holding down plate, and the blanket face contacts with the holding down plate, and the holding down plate descends to compressing tightly at the upside of PP honeycomb panel, and the piece of borduring slides to blanket face upside, and the edge strip of borduring is pushed to the upside of PP honeycomb panel.

Through adopting above-mentioned technical scheme, the holding down plate rises earlier to the downside parallel and level with the piece of borduring, with this convenience under the location of a plurality of pieces of borduring, make blanket face and PP honeycomb panel after the pressfitting install on the holding down plate, with this subsequent processing of borduring of being convenient for, descend the holding down plate and drive the PP honeycomb panel of treating borduring to descend, conveniently make the PP honeycomb panel remove to the downside of the piece of borduring, descend the holding down plate again and compress tightly the PP honeycomb panel and fix the position of PP honeycomb panel, the PP honeycomb panel is difficult for sliding, slide the upside to the PP honeycomb panel with the piece of borduring to the piece of borduring at last, the piece slip in-process of borduring, push the upside to the PP honeycomb panel with the edging, be convenient for buckle the edging, and be convenient for the binding and laminate the upside at the PP honeycomb panel, be convenient for follow-up further to the operation that compresses tightly the edging.

Preferably, the pressure holding stage is as follows: the upper pressing plate rises by 10-20mm, the lower pressing plate rises to drive the upper side of the edge covering strip to be tightly abutted against the lower side of the edge covering block, and the time is kept for 20 seconds.

Through adopting above-mentioned technical scheme, the top board rises earlier and leaves the PP honeycomb panel, makes holding down plate and PP honeycomb panel have the space that rises, rises the holding down plate again and drives the banding piece and support tightly at the downside of borduring piece, has eliminated the clearance between banding piece and the borduring piece, and consequently borduring piece and PP honeycomb panel paste tightly under the centre gripping of holding down plate and borduring piece, have improved the quality of borduring.

Preferably, the pressure relief stage is as follows: the lower pressing plate descends, the upper pressing plate descends to be tightly pressed on the upper side of the PP honeycomb plate, 5 seconds are kept, the edge covering block is driven to slide away from the lower pressing plate, and the edge covering block leaves the upper side of the edge covering strip.

Through adopting above-mentioned technical scheme, after the holding down plate descends, production clearance between piece and the bordure strip of borduring descends, descends through the top board again and pushes down the PP honeycomb panel for PP honeycomb panel and blanket face descend, conveniently make the bordure strip and the piece of borduring separately gradually, and the piece of borduring of being convenient for slides and keeps away from the bordure strip, and the piece of borduring is when leaving the bordure strip, is difficult for driving the movement of bordure strip and turns up, has improved the quality of borduring.

Preferably, in S3, the strip is glued at the fold after the fold is pressed.

Through adopting above-mentioned technical scheme, crease department shelters from through the adhesive tape, and the inner structure of PP honeycomb panel is sheltered from by the adhesive tape, has protected the PP honeycomb panel, and has improved the aesthetic feeling of PP honeycomb panel.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the edge covering operation is performed, after the edge of the carpet surface is pushed onto the PP cellular board by the edge covering block, the lower pressing plate is driven by the lower pressing piece to ascend, so that the PP cellular board is conveniently driven to ascend, the carpet surface on the upper side of the PP cellular board is driven to abut against the lower side of the edge covering block, the edge of the carpet surface and the PP cellular board are tightly pressed between the edge covering block and the lower pressing plate, the edges of the PP cellular board and the carpet surface are continuously pressed, the edge of the carpet surface is firmly adhered to the PP cellular board, and the edge covering quality of the spare tire cover plate is improved;

2. when the spare tire is subjected to edge covering operation, an initial pressure stage, a pressure maintaining stage and a pressure relieving stage are sequentially carried out, so that the edge covering strips are firmly fixed on the upper side of the PP cellular board, and the edge covering quality of a spare tire cover plate is improved;

3. in the pressure maintaining stage, the upper pressure plate firstly rises to eliminate the gap between the edge covering block and the edge covering strip, and the edge covering strip and the PP cellular board are tightly attached under the clamping of the lower pressure plate and the edge covering block, so that the edge covering quality is improved.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a schematic view of a partial structure of a machine according to a first embodiment;

FIG. 3 is a schematic structural view of a molded spare tire cover in the second embodiment;

FIG. 4 is a schematic structural view of a molded spare tire cover according to another perspective in the second embodiment;

FIG. 5 is a schematic structural view of a PP cellular board and a carpet surface after being pressed together in the background art;

fig. 6 is a schematic structural diagram of a conventional tool in the background art. .

Reference numerals: 1. a machine platform; 2. a frame; 3. a lower pressing plate; 4. edge covering blocks; 5. an upper pressure plate; 6. a guide block; 7. a light sensing switch; 8. a PP honeycomb plate; 9. a blanket surface; 10. wrapping strips; 11. folding; 12. magic tape; 13. sound-absorbing cotton; 14. a separation tank; 15. an adhesive tape; 16. an upper pressure cylinder; 17. pressing down the air cylinder; 18. the cylinder is driven.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 and 2, the embodiment of the application discloses a covering machine for a spare tire cover plate, which comprises a machine table 1 and a machine frame 2, wherein the machine frame 2 is fixed on the upper side of the machine table 1. The upper middle part of the machine table 1 is provided with a lower pressing plate 3 which can slide up and down, a lower pressing piece which is used for driving the lower pressing plate 3 to slide up and down is arranged between the machine table 1 and the lower pressing plate 3, and the lower pressing piece is a lower pressing cylinder 17. The lower air cylinder 17 is fixed on the lower side of the machine table 1, and a piston rod of the lower air cylinder 17 penetrates through the upper side of the machine table 1 and is fixed with the lower side of the lower pressing plate 3. The lower pressing cylinder 17 facilitates the lower pressing plate 3 to slide up and down.

Referring to fig. 1 and 2, a plurality of edge covering blocks 4 are arranged on the upper side of the machine table 1 at the peripheral side of the lower press plate 3, and the lower sides of the edge covering blocks 4 are higher than the upper side of the lower press plate 3. When the lower press plate 3 slides to the highest, the upper side of the lower press plate 3 is flush with the lower side of the hemming block 4. The upside of board 1 is equipped with a plurality of driving pieces that are used for driving a plurality of borduring pieces 4 respectively and are close to or keep away from the gliding of holding down plate 3, and the driving piece is for driving actuating cylinder 18, drives actuating cylinder 18 and fixes at board 1 upside. The upside of board 1 is fixed with a plurality of guide rails, and a plurality of borduring pieces 4 slide respectively to set up on a plurality of guide rails. When the edge covering block 4 is farthest away from the lower pressing plate 3, one side of the edge covering block 4 close to the lower pressing plate 3 is flush with one side of the lower pressing plate 3 close to the edge covering block 4.

Referring to fig. 1 and 2, an upper pressing plate 5 which slides up and down is arranged above the machine table 1, the upper pressing plate 5 is arranged right opposite to the lower pressing plate 3, and the area of the upper pressing plate 5 is smaller than that of the lower pressing plate 3. An upper pressing piece used for driving the upper pressing plate 5 to slide up and down is arranged between the upper pressing plate 5 and the frame 2, and the upper pressing piece is an upper pressing cylinder 16. The axis of the upper air cylinder 16 is vertically fixed on the upper side of the frame 2, and the piston rod of the upper air cylinder 16 is fixed on the upper side of the upper pressure plate 5. The upper pressing plate 5 is driven by the upper pressing cylinder 16 to slide up and down.

During the edge covering operation, the upper press plate 5 descends to press and fix the PP honeycomb plate 8 and the carpet surface 9, and the driving cylinder 18 drives the edge covering block 4 to slide so as to push the edge of the carpet surface 9 onto the PP honeycomb plate 8. The lower pressing cylinder 17 drives the lower pressing plate 3 to ascend, so that the PP cellular board 8 is conveniently driven to ascend, and the carpet surface 9 on the upper side of the PP cellular board 8 is driven to abut against the lower side of the edge covering block 4. The edge of the carpet surface 9 and the PP honeycomb plate 8 are tightly pressed between the edge covering block 4 and the lower pressing plate 3, and the edge of the PP honeycomb plate 8 and the edge of the carpet surface 9 are tightly pressed continuously, so that the edge of the carpet surface 9 is firmly adhered to the PP honeycomb plate 8, and the edge covering quality of the spare tire cover plate is improved.

Referring to fig. 1 and 2, guide blocks 6 are fixed on the upper sides of the plurality of edge covering blocks 4 through bolts, and one side of each guide block 6 is flush with one side of each edge covering block 4 close to the lower pressing plate 3. The upper side of the guide block 6 is arranged close to the edge arc transition of the lower press plate 3. When placing PP honeycomb panel 8, under the direction limiting displacement of a plurality of guide blocks 6, PP honeycomb panel 8 is conveniently placed between a plurality of bordures piece 4, convenient subsequent operation of borduring.

Referring to fig. 1 and 2, in order to detect whether the PP honeycomb panel 8 is placed flat on the lower press plate 3, a light-sensitive switch 7 is embedded in the middle of the upper side of the lower press plate 3. When the emitting port of the light sensitive switch 7 is completely blocked, the upper pressure cylinder 16, the lower pressure cylinder 17 and the driving cylinder 18 can be started.

Example two:

referring to fig. 3 and 4, a processing technology of a spare tire cover plate is based on a hemming machine of the spare tire cover plate as described in the first embodiment, and is characterized in that: the method comprises the following steps:

referring to fig. 3 and 4, S1, spray glue compounding: spraying glue on one side of the PP cellular board 8, adhering the blanket surface 9 on the glue spraying side of the PP cellular board 8, pressing the PP cellular board 8 and the blanket surface 9 together, and arranging the position of the blanket surface 9, which exceeds the PP cellular board 8, as an edge covering strip 10.

Referring to fig. 3 and 4, S2, spraying glue and wrapping: spraying glue on one side of the edge covering strip 10 facing the PP honeycomb plate 8, standing the edge covering strip 10 after the glue spraying, and finally performing edge covering by using an edge covering machine of a spare tire cover plate as described in the first embodiment.

Referring to fig. 3 and 4, S3, thermo compression cutting: and (3) thermally pressing creases (11) on the side of the PP honeycomb plate (8) facing away from the blanket face (9).

Referring to fig. 3 and 4, S4, accessory mounting: the magic tape 12 is fixed at the edge of the PP cellular board 8 at one side of the carpet surface 9, and the sound absorption cotton 13 is adhered at one side of the PP cellular board 8 departing from the carpet surface 9.

Referring to fig. 3 and 4, when the PP honeycomb panel 8 and the carpet face 9 are pressed in the S1 step, the carpet face 9 is cut at the same time. So that the length of the carpet face 9 exceeding the PP honeycomb panel 8 is uniform, and at the same time, a plurality of separation grooves 14 are cut at the corners of the carpet face 9. Therefore, the edge covering strips 10 are conveniently coated on the upper side of the PP cellular board 8, and the aesthetic feeling of the spare tire cover plate is improved.

After the step S2 of spraying glue on the edge strip 10, the edge strip 10 needs to be left for 2-4 minutes to volatilize the solvent in the glue, thereby facilitating the subsequent bonding process.

The edge covering process specifically comprises the following steps: an initial pressure stage, a pressure maintaining stage and a pressure releasing stage.

Referring to fig. 3 and 4, the initial pressure stage is: the lower pressing plate 3 rises to be flush with the lower side of the edge covering blocks 4, and the PP cellular boards 8 can be placed on the lower pressing plate 3 neatly under the limiting of the edge covering blocks 4. The PP honeycomb plate 8 and the carpet surface 9 after being pressed are placed on the lower pressing plate 3, and the carpet surface 9 faces downwards to be in contact with the lower pressing plate 3. The lower press plate 3 descends until the PP honeycomb plate 8 and the carpet surface 9 on the upper side of the lower press plate 3 are lower than the edge covering blocks 4. The upper platen 5 is lowered to be pressed against the upper side of the PP honeycomb panel 8, thereby fixing the PP honeycomb panel 8 to the lower platen 3. The edge-covering strip 4 is slid to the upper side of the carpet face 9, and the edge-covering strip 10 is thereby pushed and fitted at the upper side edge of the PP honeycomb panel 8. It is convenient to push the edge banding strips 10 to move to the bonding position.

Referring to fig. 3 and 4, the dwell phase is: the upper pressing plate 5 rises by 10-20mm, and a space for the lower pressing plate 3 to rise is reserved. The upper press plate 5 is lifted to eliminate the gap between the edge covering strip 10 and the edge covering block 4, the edge covering strip 10 is lifted along with the lifting of the lower press plate 3 until the upper side of the edge covering strip 10 is tightly abutted against the lower side of the edge covering block 4, and the time is kept for 20 seconds. The edge-covering strip 10 and the PP honeycomb plate 8 are clamped between the lower pressing plate 3 and the edge-covering block 4, so that the edge-covering strip 10 and the PP honeycomb plate 8 are firmly bonded. The edge covering quality is improved.

Referring to fig. 3 and 4, the decompression phase is: the lower press plate 3 is lowered to the lowest, leaving a gap between the edging strip 10 and the edging block 4. The upper platen 5 is lowered to press against the upper side of the PP honeycomb panel 8 for 5 seconds. The upper press plate 5 drives the PP honeycomb plate 8 with the edge covered to be pressed downwards and fixed on the lower press plate 3. And finally, the edge covering block 4 is driven to slide away from the lower pressing plate 3, and the edge covering block 4 is driven to leave the upper side of the edge covering strip 10. When the binding block 4 leaves the upside of the lower pressing plate 3, because the PP honeycomb plate 8 is fixed and a gap is left between the binding strip 10 and the binding block 4, the binding block 4 is convenient to leave the lower pressing plate 3, the possibility that the binding block 4 drives the binding strip 10 to turn up is reduced, and the binding quality is improved.

Referring to fig. 3 and 4, the PP honeycomb panel 8 itself has a four-layer structure and a five-layer structure after the carpet face 9 is adhered. Thus, the PP honeycomb plate 8 pressed with the carpet surface 9 sequentially comprises the carpet surface 9, the PP plate, the PP honeycomb core, the PP plate and the non-woven fabric from top to bottom.

Referring to fig. 3 and 4, in the step S3, the fold 11 is hot-pressed on the nonwoven fabric side of the PP honeycomb panel 8, and the fold 11 breaks the nonwoven fabric, the PP panel, and the PP honeycomb core. After accomplishing hot pressing operation, at crease 11 department rubberizing strip 15, inside adhesive tape 15 pasted to crease 11, and adhesive tape 15 sheltered from crease 11, has promoted the aesthetic feeling of spare tyre cover board.

Referring to fig. 4, after the hook and loop fastener 12 is adhered to the carpet face 9, the hook and loop fastener 12 is firmly fixed to the carpet face 9 by means of a tacking nail which is nailed to the hook and loop fastener 12.

The implementation principle of the embodiment is as follows:

and the PP cellular board 8 is sequentially subjected to glue spraying compounding, glue spraying edge covering, hot pressing cutting and accessory equipment to manufacture the spare tire cover plate. In the hemming process of the spare tire cover plate, the PP cellular board 8 and the hemming strip 10 need to be subjected to an initial pressing stage, a pressure maintaining stage and a pressure releasing stage in sequence, so that the hemming quality is improved, and during hemming, the hemming machine described in the first embodiment conveniently realizes the initial pressing stage, the pressure maintaining stage and the pressure releasing stage of the PP cellular board 8 and the hemming strip 10. The edge strip 10 is firmly bonded and fixed on the PP honeycomb plate 8, so that the edge covering quality is improved, and the processing quality of the spare tire cover plate is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a taping machine of spare tyre apron which characterized in that: the device comprises a machine table (1) and a rack (2), wherein a lower pressing plate (3) which can slide up and down is arranged on the upper side of the machine table (1), and a lower pressing piece which is used for driving the lower pressing plate (3) to slide up and down is arranged between the machine table (1) and the lower pressing plate (3);

a plurality of edge covering blocks (4) are arranged on the upper side of the machine table (1) and on the peripheral side of the lower pressing plate (3), the lower sides of the edge covering blocks (4) are higher than the upper side of the lower pressing plate (3), and a plurality of driving pieces for respectively driving the edge covering blocks (4) to be close to or far away from the lower pressing plate (3) to slide are arranged on the upper side of the machine table (1);

the machine frame (2) is provided with the upper side of the machine table (1), an upper pressing plate (5) which can slide up and down is arranged above the machine table (1), and an upper pressing piece which is used for driving the upper pressing plate (5) to slide up and down is arranged between the upper pressing plate (5) and the machine frame (2).

2. The hemming machine for a spare tire cover according to claim 1, wherein: the upside of a plurality of bordure pieces (4) all is equipped with guide block (6), guide block (6) one side with bordure piece (4) are close to one side parallel and level of holding down plate (3).

3. The hemming machine for a spare tire cover according to claim 2, wherein: the upper side of the guide block (6) is close to the edge arc of the lower pressing plate (3) in a transitional mode.

4. The hemming machine for a spare tire cover according to claim 1, wherein: the upper side of the lower pressing plate (3) is embedded with a light sensing switch (7).

5. A processing technology of a spare tire cover plate is based on the covering machine of the spare tire cover plate as claimed in any one of claims 1 to 4, and is characterized in that: the method comprises the following steps:

s1, spraying glue and compounding: spraying glue on one side of the PP cellular board (8), adhering the blanket surface (9) on the glue spraying side of the PP cellular board (8), pressing the PP cellular board (8) and the blanket surface (9), and arranging edge covering strips (10) at positions of the blanket surface (9) exceeding the PP cellular board (8);

s2, spraying glue and wrapping: spraying glue on one side of the edge covering strip (10) facing the PP honeycomb plate (8), standing the edge covering strip (10) after the glue is sprayed, and finally performing edge covering by using an edge covering machine of the spare tire cover plate according to any one of claims 1-4;

s3, hot-pressing cutting: hot-pressing crease marks (11) on one side of the PP cellular board (8) departing from the carpet surface (9);

s4, accessory assembling: a magic tape (12) is fixed at the edge of the PP cellular board (8) at one side of the carpet surface (9), and a sound-absorbing cotton (13) is stuck at one side of the PP cellular board (8) departing from the carpet surface (9);

6. The machining process of the spare tire cover plate as claimed in claim 5, wherein the machining process comprises the following steps: when the PP honeycomb plate (8) and the carpet face (9) are pressed in S1, the carpet face (9) is cut simultaneously, so that the length of the carpet face (9) exceeding the PP honeycomb plate (8) is uniform, and a plurality of separation grooves (14) are cut at the corners of the carpet face (9).

7. The machining process of the spare tire cover plate as claimed in claim 5, wherein the machining process comprises the following steps: the initial pressure stage is as follows: the lower pressing plate (3) rises to be flush with the lower side of the edge covering block (4), the PP cellular board (8) and the carpet surface (9) after being pressed are placed on the lower pressing plate (3), the carpet surface (9) is in contact with the lower pressing plate (3), the lower pressing plate (3) descends, the upper pressing plate (5) descends to be pressed on the upper side of the PP cellular board (8), the edge covering block (4) slides to the upper side of the carpet surface (9), and the edge covering strip (10) is pushed to the upper side of the PP cellular board (8).

8. The machining process of the spare tire cover plate as claimed in claim 7, wherein the machining process comprises the following steps: the pressure maintaining stage is as follows: the upper pressing plate (5) rises by 10-20mm, and the lower pressing plate (3) rises to drive the upper side of the edge covering strip (10) to be tightly abutted against the lower side of the edge covering block (4) and is kept for 20 seconds.

9. The machining process of the spare tire cover plate according to claim 8, wherein the machining process comprises the following steps: the pressure relief stage is as follows: the lower pressing plate (3) descends, the upper pressing plate (5) descends to be tightly pressed on the upper side of the PP honeycomb plate (8), 5 seconds are kept, the edge covering block (4) is driven to be far away from the lower pressing plate (3) to slide, and the edge covering block (4) is separated from the upper side of the edge covering strip (10).

10. The machining process of the spare tire cover plate as claimed in claim 5, wherein the machining process comprises the following steps: in S3, after the fold (11) is pressed, the strip (15) is glued to the fold (11).