CN214027440U

CN214027440U - Box folding mechanism of paper box packaging and forming equipment

Info

Publication number: CN214027440U
Application number: CN202022623907.7U
Authority: CN
Inventors: 戴建国
Original assignee: Jiangsu Bosideng Technology Co ltd
Current assignee: Jiangsu Bosideng Technology Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-24
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a carton packing former's book box mechanism, which comprises a frame, lower pressure interior drift and a book box external mold, lower pressure interior drift is located the top of a box external mold, lower pressure interior drift is connected with the frame through pushing down the cylinder, it includes preceding baffle to roll over a box external mold, the side shield, the backplate, angle pin and lid bracing piece, preceding baffle, side shield and backplate are arranged with rectangle side mode, the topside height that preceding baffle and backplate highly are higher than the topside height of side shield, the angle pin sets up in the opposite vertex angle position in the corner that backplate and side shield formed, the topside height that highly is higher than the backplate of angle pin, lid bracing piece parallel arrangement is in the both sides of preceding baffle and the topside height that is higher than preceding baffle, the side shield, the backplate is connected with the frame through first horizontal cylinder respectively. The utility model discloses make automatic the bonding of buckling of accomplishing end box when pushing down interior drift pushes down, improved the production qualification rate.

Description

Box folding mechanism of paper box packaging and forming equipment

Technical Field

The utility model relates to a carton rolls over box mechanism, especially relates to a carton packing former's book box mechanism.

Background

The paper box packaging forming equipment is used for bending and bonding paper boards to form a paper box, wherein the paper boards are cut and rolled with creases in advance, and the paper boards of a paper board stack are conveyed to a bending station by a feeding device to be folded. At present, manual operation is usually adopted when the bottom box is bent for the paper box with the turnover cover, the labor intensity is high, and the improvement of the production efficiency is not facilitated. The existing bottom box forming mechanism generally adopts a stamping mechanism to complete the folding of the bottom box, for example, the chinese patent with publication number CN208068982U, the stamping mechanism needs to include a bottom forming external mold component and an internal mold punch, the external mold component includes a limit baffle and a forming limit structure, the folding forming of the bottom box needs to be bonded by matching with glue, the structure is difficult to ensure that all side walls of the paper box are folded and bonded in sequence when being bent and formed, and therefore, the forming qualification rate is low. The carton can only be formed completely by pre-folding the overlapped adhesive portion by other means, which increases the complexity of the apparatus, while the inner die punch is likely to collide with the pre-folded portion when pressed down.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned prior art defect, the task of the utility model lies in providing a carton packing former's book box mechanism, ensures the bonding shaping of buckling that the end box of carton can be accurate, improves the qualification rate.

The utility model discloses technical scheme as follows: a box folding mechanism of a paper box packaging forming device, which comprises a frame, a downward pressing inner punch and a box folding outer die, the lower-pressing inner punch is positioned above the outer die of the folding box and is connected with the frame through a lower-pressing cylinder, the external mold of the folding box comprises a front baffle, a side baffle, a rear baffle, a corner baffle rod and a cover supporting rod, wherein the front baffle, the side baffle and the rear baffle are arranged in a rectangular side edge mode, the top edges of the front baffle and the rear baffle are higher than the top edges of the side baffles, the angle baffle rod is arranged at the opposite vertex angle position of the corner formed by the rear baffle and the side baffles, the height of the corner stop bar is higher than the height of the top edge of the rear baffle plate, the cover supporting bars are arranged on two sides of the front baffle plate in parallel and are higher than the height of the top edge of the front baffle plate, the front baffle, the side baffles and the rear baffle are respectively connected with the rack through a first horizontal cylinder.

The utility model discloses roll over box mechanism, adopt the angle pin that co-altitude set up, lid bracing piece, front and back baffle and side shield, when the drift pushed down in pushing down for the at first contact angle pin of bonded ear and lid bracing piece are buckled, then baffle and backplate are buckled before connecting the front and back lateral wall contact of ear, and lateral wall contact side shield is buckled and is bonded with the ear about with the bonding of ear at last, has accomplished the fold forming of end box.

Further, the angle stop rod is positioned in the range of 20 degrees left and right of an angle bisector of an included angle formed by the rear baffle and the side baffle.

Further, the angle blocking rod is provided with a horizontal contact part, and the projection of the horizontal contact part in the vertical direction is smaller than an included angle of 90 degrees with the rear baffle and the side baffle in the vertical direction.

In order to make the paper box enter more smoothly when being bent, the top edges of the front baffle plate, the rear baffle plate and the side baffle plates are further folded towards the outside of the rectangle to form a flaring shape.

Further, in order to ensure reliable adhesion, the inner punch comprises a bottom plate and a side wall, the side wall is connected with the bottom plate through a second horizontal cylinder, the side wall is located on the upper side of the bottom plate, and the bottom plate is connected with the lower cylinder.

Furthermore, in order to enable the relative positions of the paper sheets conveyed by the feeding mechanism, the downward pressing inner punch and the box folding outer die to be more accurate, a guide plate is arranged above the box folding outer die.

Further, the guide plate is connected with the frame through a third horizontal cylinder.

Further, the below of rolling over the box external mold is equipped with push mechanism, push mechanism includes a supporting bench, propelling movement chain and propelling movement board, propelling movement board upright connect in on the propelling movement chain, the propelling movement chain set up in supporting bench both sides are less than the supporting bench mesa, the topside of propelling movement board is higher than the supporting bench mesa.

Further, in order to avoid deviation from the support table when the paper box falls, lateral guide plates are arranged between the outer box folding mold and the pushing mechanism and located on two sides of the support table.

Compared with the prior art, the utility model the advantage lie in:

the driving part does not need to be additionally arranged to bend the ear part for bonding independently, and independent bending time control is not needed to be carried out on bending of different parts of the paper box, the bottom box of the paper box can be folded and bonded as required by pressing the inner punch head downwards once, the qualification rate of the paper box is improved, and the forming structure of the paper box can meet the requirement of covering and closing of a subsequent box cover. The external mold of the folding box can be quickly connected and produced in a downward discharging mode, and the efficiency is improved.

Drawings

Figure 1 is a flat sheet structure prior to carton formation.

Fig. 2 is a schematic structural view of a box folding mechanism of the carton package forming apparatus.

Fig. 3 is a side view of the external mold of the folding box.

Fig. 4 is a schematic top view of the external mold of the folding box.

Detailed Description

The present invention will be further described with reference to the following examples, which should not be construed as limiting the invention.

For better understanding of the present invention, please refer to fig. 1 to 4, the box folding mechanism of the carton packing and forming apparatus is mainly used to fold and bond the bottom box with the plate-shaped paper sheets 1. As shown in fig. 1, the left side of the flat paper sheet 1 is used to form a bottom box, the front side wall 101 is arranged at the foremost end of the left side, the upper and lower ends of the front side wall 101 are provided with ear parts 102 for adhesion, the front side wall 101 is connected to the front of a box bottom plate 103, and the front of the front side wall 101 is connected to a box cover 106. The upper and lower sides of the cassette bottom plate 103 are connected to left and right side walls 104, and the rear side of the cassette bottom plate 103 is connected to a rear side wall 105. At the upper and lower ends of the rear side wall 105 are also ears 102 for adhesion. The ear portions 102 of the front side wall 101 and the rear side wall 105 need to be folded to the inner sides of the left and right side walls 104 to be bonded to the left and right side walls 104. Therefore, the ear portion 102, the front sidewall 101 and the rear sidewall 105 are bent first by using an additional folding device in the prior art, and then the left and right sidewalls 104 are bent and bonded to ensure the box forming rate. The method of the utility model can complete the forming of the bottom box by pressing down in one step.

Referring to fig. 2, the box folding mechanism of the carton packaging and forming apparatus includes a downward pressing inner punch 2, a box folding outer mold 3, a pushing mechanism 4 and a frame 5, the downward pressing inner punch 2 is located above the box folding outer mold 3, the downward pressing inner punch 2 is used for pressing the flat-plate-shaped paper sheets 1 downward into the box folding outer mold 3, the downward pressing inner punch 2 includes a bottom plate 201 and side walls 202, wherein the side walls 202 are located above the bottom plate 201 and on the left and right sides of the bottom plate 201, the side walls 202 are connected with the bottom plate 201 through a second horizontal cylinder 203, front and rear parts on the bottom plate 201 are respectively provided with a stopper 204, and the bottom plate 201 is connected with the frame 5 (not shown in the drawing of part of the frame 5) through a downward pressing cylinder 205. The pressing cylinder 205 drives the pressing inner punch 2 to move up and down to cooperate with the box folding outer die 3 to carry out box folding operation.

Referring to fig. 3 and 4, the external mold 3 includes a front plate 301, side plates 302, a rear plate 303, corner plates 304 and cover support rods 305, wherein the number of the side plates 302 is two, and the front plate 301, the side plates 302 and the rear plate 303 are arranged in a rectangular side manner. In the process of pressing down the flat-plate-like paper piece 1, the cassette base plate 103 is pressed into the rectangle surrounded by the front shutter 301, the side shutter 302, and the rear shutter 303. The front and

rear panels

301 and 303 may be arranged at the same height, but the height of the top edge of the front and

rear panels

301 and 303 is higher than that of the top edge of the side panel 302, so that the front and

rear side walls

101 and 105 of the flat sheet 1 will bend before the left and right side walls 104 contact the outer mold 3 of the folding box during pressing. The front baffle 301, the side baffles 302 and the rear baffle 303 are respectively connected with the frame 5 through the first horizontal cylinder 306, and when the first horizontal cylinder acts 306, the rectangle enclosed by the front baffle 301, the side baffles 302 and the rear baffle 303 is increased or decreased. When the flat-plate-shaped paper sheets 1 are pressed into the rectangular space enclosed by the front baffle 301, the side baffles 302 and the rear baffle 303, the first horizontal cylinder 306 operates to reduce the rectangular space, and at the moment, the second horizontal cylinder 203 which is used for pressing the inner punch 2 downwards operates to expand the side wall 202 outwards, so that the two sides of the paper box are bonded more reliably.

The corner bar 304 is disposed at a diagonal corner position of a corner formed by the back shield 303 and the side shield 302. The angle bar 304 is located within 20 ° to the left and right of the bisector of the diagonal angle of the angle formed by the back wall 303 and the side wall 302. The function of the corner bar 304 is to force the ear portion 102 of the back side wall 105 to fold first, so that the whole position of the corner bar 304 is located outside the rectangle 4 enclosed by the front flap 301, the side flap 302 and the back flap 303 and the height of the corner bar 304 is higher than the height of the top edge of the back flap 303. Two cover support rods 305 are provided, respectively located at both sides of the front barrier 301 to extend in the front-rear direction and higher than the top edge of the front barrier 301. The cover support bar 305 functions to support the cover 106 of the flat sheet 1 to prevent the flat sheet 1 from falling down when the feeding mechanism feeds the flat sheet 1 under the inner punch 2, and to allow the ear portion 102 of the front side wall 101 to be folded under force first.

In this embodiment, the angle blocking rod 304 is of an inverted "J" shape, the top of the angle blocking rod 304, i.e., the bottom of the "J" shaped hook, is a horizontal contact portion 304a, which is horizontally disposed, and the head end of the horizontal contact portion 304a is bent downward to form an arc shape with a small radius, so that the contact portion between the whole angle blocking rod 304 and the paper piece is smooth, and the paper piece can be prevented from being damaged. The included angle alpha between the projection of the horizontal contact part 304a in the vertical direction and the projections of the rear baffle plate 303 and the side baffle plate 302 in the vertical direction is smaller than 90 degrees, so that the horizontal contact part 304a and the ear part 102 of the flat-plate-shaped paper sheet 1 are ensured to have a long enough contact surface to ensure the bending of the ear part 102. In order to make the carton more smoothly enter when being folded, the top edges of the front flap 301, the back flap 303 and the side flaps 302 are folded back to the outside of the rectangle to form a flared shape. In order to make the relative position of the paper sheet conveyed by the feeding mechanism, the downward-pressing inner punch 2 and the box folding outer die 3 more accurate, guide plates 307 are further arranged above the box folding outer die 3 and positioned at two sides of the downward-pressing inner punch 2, and the guide plates 307 are connected with the frame 5 through a third horizontal air cylinder 308. When the feeding mechanism conveys the flat-plate-shaped paper sheets 1, the guide plates 307 are driven by the third horizontal air cylinder 308 to move towards the center for a short distance, so that the distance between the two guide plates 307 is equal to the width of the flat-plate-shaped paper sheets 1, and when the pressing inner punch 2 is pressed down, the guide plates 307 are driven by the third horizontal air cylinder 308 to move towards the two sides for resetting.

A pushing mechanism 4 is arranged below the box folding outer mold 3, and the paper boxes which are bonded are pushed to the next station by the pushing mechanism 4. The pushing mechanism 4 includes a support base 401, a pushing chain (not directly shown in the figure) and a pushing plate 402, wherein the pushing chain is driven by a chain wheel 403 and is disposed on two sides of the support base 401 and below the top of the support base 401. The kicker plate 402 is attached upright on the kicker chain, with the top edge of the kicker plate 402 being above the table top of the support table 401. In order to avoid the carton from deviating from the supporting platform 401 when falling, lateral guide plates 6 are arranged between the outer box folding die 3 and the pushing mechanism 4 and positioned on two sides of the supporting platform 401. After the paper boxes are folded and bonded, the first horizontal cylinder of the outer box folding mold 3 acts 306 to expand the rectangular space, the paper boxes can fall from the outer box folding mold 3 to the table top of the supporting table 401, then the pushing chain drives the pushing plate 402 to move forward, and the paper boxes are pushed by the pushing plate 402 to move forward to the next station along the table top of the supporting table 401.

Claims

1. The utility model provides a carton packing former's book box mechanism, its characterized in that, includes the frame, pushes down interior drift and rolls over a box external mold, it is located to push down interior drift roll over the top of box external mold, push down interior drift through push down the cylinder with the frame is connected, roll over a box external mold and include preceding baffle, side shield, backplate, angle pin and lid bracing piece, preceding baffle, side shield and backplate are arranged with rectangle side mode, the topside height of preceding baffle with the backplate is higher than the topside height of side shield, the angle pin set up in the opposite vertex angle position in the corner that backplate and side shield formed, the height of angle pin is higher than the height of backplate, lid bracing piece parallel arrangement in the both sides of preceding baffle and be higher than the topside height of preceding baffle, side shield, The rear baffle is connected with the frame through a first horizontal cylinder respectively.

2. A folding mechanism for a carton pack forming apparatus as claimed in claim 1, wherein said corner bar is located within 20 ° to the left and right of a bisector of an angle formed by the back and side flaps.

3. A folding mechanism for a carton pack forming apparatus as claimed in claim 1, wherein said angle bar is provided with a horizontal contact portion which forms an angle of less than 90 ° in vertical projection with respect to said rear flap and said side flaps.

4. A box folding mechanism for a carton pack forming apparatus as claimed in claim 1, wherein top edges of said front flap, said rear flap and said side flaps are folded outwardly of said rectangle to form a flared shape.

5. A folding mechanism for a carton pack forming apparatus as claimed in claim 1, wherein said depressing inner punch includes a bottom plate and a side wall, said side wall being connected to said bottom plate by a second horizontal cylinder, said side wall being located on an upper side of said bottom plate, said bottom plate being connected to said depressing cylinder.

6. A folding mechanism for a carton pack forming apparatus as claimed in claim 1, wherein a guide plate is provided above said outer mold for folding.

7. A folding mechanism for a carton pack forming apparatus as claimed in claim 6, wherein said guide plate is connected to said frame by a third horizontal cylinder.

8. The box folding mechanism of a carton package forming device as claimed in claim 1, wherein a pushing mechanism is arranged below the outer box folding mold, the pushing mechanism comprises a supporting platform, a pushing chain and a pushing plate, the pushing plate is vertically connected to the pushing chain, the pushing chain is arranged on two sides of the supporting platform and is lower than the supporting platform surface, and the top edge of the pushing plate is higher than the supporting platform surface.

9. A carton folding mechanism for a carton pack forming apparatus as claimed in claim 8, wherein lateral guide panels are provided between said outer carton folding die and said pushing mechanism on either side of said support platform.