CN2205301Y - Mother mould for paper dining box auto forming machine - Google Patents

Abstract

The utility model relates to a master mould for a paper dining box automatic forming machine, which comprises a box body and roller sets which are symmetrically arranged on the top and the bottom and the left and the right of the circumference surface of the inner side of the box body. Each roller set is provided with a roller base which is fixedly arranged on the inner side of the circumference of the box body. Two lugs are arranged on each roller base, and the lugs are pivoted with one end of a movable arm. At least one roller which is provided with a bearing at the inside is pivoted on the other end of the movable arm. A long strip-shaped hole is arranged on the box body corresponding to the position of a screw hole arranged at the middle section of the movable arm, and a screw orderly penetrates through a shim, the long strip-shaped hole and a spring, and is screwed in the screw hole.

Description

Mother mould for paper dining box auto forming machine

The utility model relates to a kind of paper lunch-box automatic moulding machine, relates to a kind of paper lunch-box automatic moulding machine master mold specifically.

As shown in Figure 1, paper lunch-box automatic moulding machine in the past comprises a drive unit 10, at least one storage paper chamber 11, at least one apparatus for taking paper 12, at least one group of electric heater 13, at least one shaped device 14 and at least one folded box chamber 15.

Drive unit 10 is made of the driving-disc 102 and 103,104 of two drives that connect motor 101, storage paper chamber 11 by one be mounted on the transportation wheel belt 111 of bottom, a cardboard folder (figure does not show) and an a plurality of catch 112 that is located at storage 11 inboard both sides, paper chamber that is located at transportation wheel belt 111 tops is formed.

Apparatus for taking paper 12 is located at a side of storage paper chamber 11, formed by pitman arm 121, suction cup carrier 122, a plurality of sucker 123 and a hole frame 124, one end of pitman arm 121 is articulated on the fulcrum of drive 104, the other end is provided with a suction cup carrier 122, suction cup carrier 122 is provided with a plurality of suckers 123, hole frame 124 is located at suction cup carrier 122 and stores 11 of paper chambers, hole frame 124 is provided with a plurality of and sucker 123 corresponding perforation 125, the internal diameter of each perforation 125 makes things convenient for sucker 123 to pass through all greater than the external diameter of sucker 123.

Electric heater 13 correspondences are located at storage 11 belows, paper chamber, its inside is provided with electric heating element and is connected with air-supply arrangement (figure does not show), corresponding surface is respectively equipped with heating 131, respectively be provided with at least one hot blast hole on each heating 131, electric heater 13 inner edges are provided with two groups of slide rails 132, slide rail 132 is connected in the corresponding sides of catch 112 with the hole frame 124 of storage paper chamber 11, by and be located on the shaped device 14 below the electric heater 13.

As shown in Figure 1, 2, each shaped device 14 is by male model 141 and roller set 20(master mold just) institute forms, and male model 141 is positioned at a side of roller set 20, and the opposite side of roller set 20 is provided with folds box chamber 15.The bottom surface, both sides of male model 141 respectively is provided with one group of slide 142, male model 141 front upper places are provided with fixedly sliding sleeve 143, the back upper place connects a movable sliding sleeve 144, male model 141 rears are provided with a cover for seat 145, in cover for seat 145 and fixedly be equipped with a slide bar 146 between the sliding sleeve 143, this slide bar 146 is provided with ring plate and spring.As shown in Figure 1, male model 141 back are provided with a push rod 147, the other end of this push rod 147 is articulated in the eccentric part of the drive 103 of drive unit 10, and the revolution of drive 103 drives male model 141 and slides by slide 142 front and back, and the 20(of punching press roller set back and forth master mold).

Roller set 20(master mold) have the left and right turning rolls 21,22 of correspondence and 21,22 of upper and lower turning rolls 23,24, the left and right turning rolls of correspondence and be provided with upper and lower roller 25,26,23,24 of upper and lower turning rolls are provided with left and right roller 27,28.Be respectively equipped with two lever arms 211,212 and 221,222 on this left and right turning rolls 21,22, each lever arm 211,212,221,222 is respectively equipped with bearing 213,214 and 223,224, and 211,212 and 221,222 of lever arms respectively connect a spring 215,225; The axostylus axostyle 251 of upper roller 25 is articulated in 213,223 on bearing, and 261 of the axostylus axostyles of bottom roller 26 are articulated in 214,224 on bearing.Respectively be provided with lever arm 231,232 and 241,242 on the upper and lower turning rolls 23,24, and respectively be provided with support arm 233,234 and 243,244, the outboard end of lever arm 231,232,241,242 respectively is equiped with bearing 235,236 and 245,246,231,233 and 232,234 and 241,243 and 242,244 of lever arm in pairs and support arms respectively are provided with an adjustable screw rod 237,238,247,248 to prevent lever arm to the support arm displacement, and 231,232 and 241,242 of lever arm and lever arms respectively are provided with a spring 239,249; Axostylus axostyle 271 upper and lower 235,245 on the bearings that are articulated in of left wheel 27,281 upper and lower 236,246 on bearings that are articulated in of the axostylus axostyle of right roller 28.

When above-mentioned paper lunch-box make-up machine moves, driving-disc 102 by drive unit 10 motors 101 drives drive 103,104, the fulcrum of drive 104 just can back and forth drive the pitman arm 121 of apparatus for taking paper 12, sucker 123 on the suction cup carrier 122 that is connected in pitman arm 121 ends is shuttled in the perforation 125 of hole frame 124, and absorption is placed in the cardboard (figure does not show) in the storage paper chamber 11, when drive 104 revolutions retreat transmission wall 121, can down be slipped out 132 of slide rails falling electric heater 13 because of the block of hole frame 124 by the cardboard drawn, the bottom also is held on slide bar 146 the place aheads of shaped device 14, and the PUR that be coated with on the cardboard this moment is just fusible.

Shown in Fig. 1,3, be connected transmission and drive male model 141 displacement backward of shaped device 14 for the push rod 147 of 103 fulcrums, make cardboard 151 unsettled down downhill race, enter the male model 141 and the roller set 20(master mold of shaped device 14) between.

Shown in Fig. 1,4, drive 103 in the revolution drives push rod 147 again and advances, male model 141 displacement forward, make cardboard 151 way roller group 20(master molds) the direction displacement, the scrimp of cardboard 151 upper and lower two sides outside is touched the last bottom roller 25,26 of roller set 20 respectively earlier and is bent to male model 141 directions.

Shown in Fig. 1,5, male model 141 moves on, make the left and right sides scrimp outside of cardboard 151 touch the left and right roller 27,28 of roller set 20 respectively and bend to male model 141 directions, inside and outside male model 141 and 25,26,27,28 pairs of pressures of upper and lower, left and right roller of being subjected to simultaneously of four jiaos of cardboard 151, make the PUR of coating the surface bonding, and form carton 152 four jiaos.The drive 103 driving push rods 147 that continue in the revolution retreat, and it is past away from roller set 20 direction displacements to drive male model 141, each roller release of pressure, the spring 215,225,239,249 of left and right, upper and lower turning rolls 21,22,23,24 is shunk simultaneously, make the flanging of each roller moment extruding carton about in the of about 152 that carton 152 is got into folded box chamber 15 for taking.

Above-mentioned master mold (being roller set 20) composition is configured with following shortcoming:

(1) this polygon roller set 20(master mold) upper and lower, left and right roller 25,26,27,28 and axostylus axostyle 251,261,271,281 are formed in one, use after the length,, axostylus axostyle oversize because of axostylus axostyle and roller rotate simultaneously, be easy to generate the situation of crooked deviation, and be shaped on scrimp on the cardboard 16 in advance, so axostylus axostyle has crooked the volume when difference just will cause the paper lunch-box moulding to produce error slightly, produces bad paper lunch-box finished product.

(2) the composition member of this polygon roller set 20 is many and complicated, not only assemble time-consuming, when continued operation, also produce trueness error or loosening easily in the junction, roller set 20(master mold particularly), just can't put the cardboards 151 of different sizes and the paper lunch-box of moulding different size because of not changing simply.

(3) strength that pulls outward is all constantly born at the two ends of the spring 215,225,239,249 of this polygon roller set 20 repeatedly, and spring 215,225,239,249 is easy to generate elastic fatigue and influences the quality of finished product.

The purpose of this utility model provides a kind of master mold of simple in structure and durable paper lunch-box automatic moulding machine, and is fit to easily to change and the paper lunch-box of moulding different size.

Characteristics of the present utility model are: this master mold comprise a casing and be located at symmetrically around the casing inboard up and down and left and right sides roller set, just the inboard respectively sets firmly a roller mount around the casing, each roller mount both sides respectively is provided with a lug, an end of a lever arm is pivoted between two lugs, the roller mount stage casing is provided with at least one screw, the other end of lever arm is pivoted with at least one roller that contains bearing, the screw place of corresponding lever arm is provided with strip hole on this casing, each passes this strip hole and a spring in regular turn with a screw in the screw of the strip hole of each corresponding casing and lever arm, and is arranged in the screw.

About the master mold of the utility model paper lunch-box automatic moulding machine comprises that a rectangular box reaches, left and right sides roller set, casing is installed on the base plate of paper lunch-box automatic moulding machine frame, up and down, left and right sides roller set symmetry is located at the box inside peripheric surface, each roller set respectively comprises a roller mount, a lever arm and at least one roller, roller mount is located on the interior lateral plates all around of casing, roller mount is provided with two lugs, one end of lever arm utilizes two lugs on an axostylus axostyle and the roller mount to articulate, the lever arm stage casing is provided with screw, respectively be provided with a bearing in each roller, and wear axostylus axostyle of pivot, this axostylus axostyle is hubbed on the other end of lever arm.Screw place corresponding to lever arm on the casing is provided with strip hole, each passes strip hole and a spring in regular turn with a screw that is equipped with pad strip hole that each is corresponding and screw, and be arranged in the screw, utilize set spring between this lever arm and box side face, master mold can elasticity be adjusted at random openly.

Be elaborated below by a most preferred embodiment and accompanying drawing master mold to paper lunch-box automatic moulding machine of the present utility model, in the accompanying drawing:

Fig. 1 is the schematic perspective view of paper lunch-box automatic moulding machine in the past;

Fig. 2 is the exploded view of shaped device among Fig. 1;

Fig. 3 is that male model displacement forward in the past, cardboard slip into shaped device and the schematic perspective view that is provided with the cardboard of scrimp;

Fig. 4 is that the cardboard that in the past was provided with scrimp slips into shaped device, the bottom side that following pressurized is rolled on spring folding situation and cardboard about bottom roller, the cardboard in the male model punching press, the schematic perspective view of medial surface;

Fig. 5 be the cardboard that in the past slipped into shaped device through the male model punching press up and down roller, cardboard up and down spring folding boxing become the bottom side of carton, the schematic perspective view of medial surface with the cardboard backfin;

Fig. 6 is the exploded perspective schematic diagram of the utility model preferred embodiment;

Fig. 7 is the utility model combination schematic perspective view of roller set up and down;

Fig. 8 is the combination schematic perspective view of the utility model left and right sides roller set;

Fig. 9 is the combination schematic perspective view of the utility model the foregoing description;

Figure 10 is the assembling schematic diagram of the utility model the foregoing description.

As shown in Figure 6, the master mold 30 of this preferred embodiment of the utility model comprises a casing 40, fixed head 50, upper and lower roller set 60 and a left and right roller set 70.

This casing 40 sets firmly institute by upper and lower and left and right four blocks of side plates 41,42 and constitutes.

Upper and lower side plate 41 both sides are provided with respectively between three first through holes 410 that form a line, 410 inboards of first through hole successively that preface is provided with four second through holes 411, two screws 412, two strip holes 413,412 of two screws form a limited block 414, and both sides become the medial surface of first through hole 410 of row respectively to form a scalariform fit edge 415.

Respectively be provided with three screws 420 corresponding on the top and bottom ends face of left and right side plate 42 with first through hole 410 of above-mentioned upper and lower side plate 41, and screw 43 is arranged in the corresponding screw 420 after passing first through hole 410 respectively, form a rectangular box 40, also respectively be provided with two screws 422 and a strip hole 423 on the left and right side plate 42, and form a limited block 424 422 of two screws.

Fixed head 50 is set in the below of lower side panel 41, be provided with two through holes 510, be provided with circular hole 511 with second through hole, 411 corresponding sections of lower side panel 41 with strip hole 413 corresponding positions, and utilize a screw 52 to wear pad 53 respectively and pass second through hole 411 of lower side panel 41 and the through hole 510 of fixed head 50 in regular turn, be fixed on the board bottom of this paper lunch-box automatic moulding machine.

Shown in Fig. 6,7, upper and lower roller set 60 symmetries are located on upper and lower side plate 41 medial surfaces of casing 40, and upper and lower roller set 60 respectively comprises a roller mount 61, lever arm 62, an axostylus axostyle 63 and at least one roller 64.

Middle part, roller mount 61 bottom surfaces is arranged with a stopper slot 610, stopper slot 610 is set on the limited block 414 in the casing 40, form two lugs 611 on the roller mount 61, all be provided with an axis hole 612 on the lug 611,611 of two lugs are provided with two two screws, 412 corresponding through holes 613 with upper and lower side plate 41, and utilize the screw 614 that is coated with pad 615 to be fixed in through hole 613 and the screw 412 respectively.

Lever arm 62 is located at 611 of two lugs of roller mount 61, be the H type, lever arm 62 1 end both sides respectively are provided with an axis hole 621, this axostylus axostyle 63 is worn pivot in the axis hole 612 of this axis hole 621 and two lugs 611, lever arm 62 1 ends directly upwards respectively are provided with one and set screw 622, and respectively utilize screw 623 to fix this axostylus axostyle 63 on lug 611, lever arm 62 stage casing transverse arms 624 are provided with two screws 625, the other end of lever arm 62 is identical with an aforesaid end, also is respectively equipped with axis hole 626, sets screw 627 and screw 628.

Each sheathed bearing 65 and wear pivot one axostylus axostyle 66 in the two ends of roller 64, axostylus axostyle 66 two ends are solid in axis hole 626 by setting screw 627 pins with above-mentioned screw 628.Respectively utilize a screw 67 that is with pad 68 to pass the strip hole 413 and the spring 69 of upper and lower side plate 41 in regular turn, and be arranged in the screw 625 on the lever arm 62 stage casing transverse arms 624, these screw 67 ends spiral shell are again established a nut 671, and mat spring 69 provides the open roller mount 60 of elasticity and cooperates the paper lunch-box size to adjust the open angle of roller.

Shown in Fig. 6,8, left and right roller set 70 symmetries are located on the medial surface of left and right side plate 42 of casing 40, and left and right roller set 70 respectively comprises a roller mount 71, lever arm 72 and three rollers 74.

Middle part, roller mount 71 bottom surfaces is arranged with a stopper slot 710, stopper slot 710 just is set on the limited block 424 of casing 40 left and right side plates 42, form two lugs 711 on the roller mount 71, respectively be provided with an axis hole 712 and a setting screw 713 radially on the lug 711, two lugs, 611 outsides respectively are provided with the screw 422 corresponding strip holes 714 with left and right side plate 42 on the roller mount 71, and respectively utilize in the screw 422 of the solid strip hole 714 in roller mount 71 of screw 715 spiral shell that are coated with pad 716 and left and right side plate 42.

Lever arm 72 approximately is the π type, one end is located at 711 of two lugs of roller mount 71, this end is provided with axis hole 720, and utilize an axostylus axostyle 73 to wear the axis hole 720 of pivot in two lugs, 711 axis holes 712 and lever arm 72, each is fixed on axostylus axostyle 73 two ends in the axis hole 712 of lug 711 by setting screw 713 with a screw 721.Lever arm 72 stage casings are provided with one with left, the strip hole 423 corresponding screws 722 of right plate 42, saturating empty in the middle of the other end 723, both sides respectively are provided with an axis hole 724 and a setting screw 725 radially, one end 723 inboards and two outsides are provided with three rollers 74 that include bearing 75 side by side, and utilize an axostylus axostyle 76 one to wear axis hole 724 and three rollers 74 that include bearing 75, form clasp ditch 761 on the two ends of this axostylus axostyle 76, roller 74 is hubbed on the axostylus axostyle 76 and rolls, and buckle admittedly in the clasp ditch 761 at axostylus axostyle 76 two ends with two C type clasps 762, the part that axostylus axostyle 76 is positioned at axis hole 724 then locks by setting screw 725 with screw 77.Strip hole 423 spiral shells of the screw 722 in lever arm 72 stage casings and left and right side plate 42 are established a screw 78 that is coated with pad 781, spring 79 of screw 78 upper sleeve throughs, screw 78 terminal spiral shells are established a nut 782, utilize spring 79 that the open left and right sides of Stochastic Elasticity roller mount 70 is provided.

41,42 set springs 69,79 of the upper and lower and left and right side plate of above-mentioned lever arm 62,72 and casing provide a kind of Stochastic Elasticity the open polygon roller type master mold of debugging, changing easily.

Shown in Fig. 9,10, the assembling of the utility model preferred embodiment is directly that casing 40 pins are solid on the paper lunch-box automatic moulding machine frame base plate 81 of (figure does not show), if the paper lunch-box of moulding different size, as long as remove the die head of this male model and the master mold of casing.

Action of the present utility model, principle mode are with identical in the past, so no longer repeat.

Advantage effect of the present utility model is as described below.

Whole component devices by above-mentioned each member, the master mold 30 whole groups of establishing polygon roller set in the utility model casing 40 are fixedly arranged on the base plate 81 of frame, it is simple to form member, and the die head of male model can change easily, to be used for the paper lunch-box of moulding different size.The roller 64,74 and the axostylus axostyle 66,76 of roller set are not integrated design, 66,76 of axostylus axostyles are located in the bearing 65,75 of roller 64,74, axostylus axostyle 66,76 because of oversize and through permanent use be out of shape produce deviation, thereby can not mold scrimp deviation wrinkle Zhe, abrade the bad paper lunch-box finished product of epidermis.And when the spring 69,79 in the utility model master mold 30 moved, two ends all were the states that is toward interior compression, so can not produce the phenomenon of elastic fatigue, can guarantee the quality of finished product.

Master mold of the present utility model is the open mould alive of a Stochastic Elasticity, not one and be fixed into pattern, can cooperate different thickness cardboards and different cardboard scrimp angles, unlike paper lunch-box automatic moulding machine in the past, often because of cardboard when a large amount of the manufacturing the different phenomenon of the thickness that produces, or because different vendor produces the difference of different scrimp angles, cause the paper lunch-box warpage after institute's moulding, or the outer circumferential side surface produces scratch, the scrimp place produces the defective products of wrinkle Zhe line trace because of thickness, angular deviation, and must change male model and master mold simultaneously.On the contrary, the utility model does not need to change simultaneously male model and master mold, when the scrimp angular deviation hour, because the utility model master mold is the open at random polygon roller type of an elasticity film alive, as long as it is just passable to revise male model a little, when if the scrimp angular deviation is big, as long as it is just passable, very flexible and practical to change male model.

Claims (8)

1, a kind of master mold of paper lunch-box automatic moulding machine, this master mold are installed on the base plate of this paper lunch-box automatic moulding machine frame, it is characterized in that:

This master mold comprises that a casing and symmetry are located at upper and lower roller set and the left and right roller set on the medial surface around this casing;

This roller set respectively comprises a roller mount, a lever arm and at least one roller, this roller mount symmetry is installed on the box inside plate face, this roller mount is provided with two lugs, two lugs on this lever arm one end mat, one axostylus axostyle and this roller mount articulate, this lever arm stage casing is provided with screw, respectively be sheathed with bearing in this roller, this roller is worn pivot one axostylus axostyle and is hubbed on the other end of this lever arm;

Screw place corresponding to this lever arm on this casing is provided with strip hole, has a screw that is equipped with pad to pass in the strip hole of this casing, and this screw is arranged in the screw of this lever arm, and this screw is equipped with a spring between this casing and this lever arm.

2, the master mold of paper lunch-box automatic moulding machine as claimed in claim 1 is characterized in that:

Middle part, the roller mount bottom surface of roller set is arranged with a stopper slot up and down, and the lug of this roller mount respectively is located at the two ends of this stopper slot, is provided with two through holes between two lugs.

3, the master mold of paper lunch-box automatic moulding machine as claimed in claim 1 is characterized in that:

The middle part, roller mount bottom surface of this left and right sides roller set is arranged with a stopper slot, and the lug of this roller mount respectively is located at the two ends of this stopper slot, and the outside of two lugs respectively is provided with a through hole.

4, the master mold of paper lunch-box automatic moulding machine as claimed in claim 1 or 2 is characterized in that:

The lever arm of roller set is the H type up and down, and the end both sides that this roller arm articulates this roller respectively form a upwards end of bending, respectively are provided with an axis hole on this end, fasten an axostylus axostyle between this axis hole and axis hole, and this roller is hubbed on this axostylus axostyle.

5, as the master mold of claim 1 or 3 described paper lunch-box automatic moulding machines, it is characterized in that:

The lever arm of this left and right sides roller set is the π type, one end is set between two lugs of this roller mount, this axostylus axostyle is installed on this lug, and this lever arm is articulated on this axostylus axostyle, and this lever arm stage casing is provided with screw, and is saturating empty in the middle of the other end of this lever arm, both sides portion forms the upwards end of bending, this roller is located at the medial and lateral of this end, and the axostylus axostyle between roller is worn pivot in the both ends that lever arm upwards bends, and two ends respectively utilize a clasp to buckle admittedly.

6, as the master mold of each described paper lunch-box automatic moulding machine of claim 2 to 5, it is characterized in that:

The through hole that is provided with is a strip through hole on this roller mount.

7, as the master mold of each described paper lunch-box automatic moulding machine of claim 1 to 2, it is characterized in that:

The lever arm length of roller set is greater than the lever arm length of left and right sides roller set up and down.

8, as the master mold of each described paper lunch-box automatic moulding machine of claim 1 to 3, it is characterized in that:

The stopper slot of corresponding roller mount respectively is convexly equipped with a limited block on this casing.

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