CN210311032U

CN210311032U - Prevent packing plant that cornerite drops

Info

Publication number: CN210311032U
Application number: CN201920835028.5U
Authority: CN
Inventors: 郑建树; 邓木栈
Original assignee: Fosan Domec Machinery Co ltd
Current assignee: Fosan Domec Machinery Co ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-14
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a packaging device for preventing wrap angles from falling off, which comprises a product lifting mechanism for lifting a product with wrap angles to a paper wrapper folding surrounding edge station, a wrap angle holding anti-falling device for clamping wrap angles before lifting and preventing wrap angles from falling off, a front paper wrapper folding device and a back paper wrapper folding device for correspondingly coating front paper wrappers and back paper on the four peripheral edges of the product with wrap angles; the wrap angle supporting and anti-falling device is arranged above a product with a wrap angle; the product lifting mechanism is arranged below the product with the wrap angle; the front folding leatheroid and the back folding leatheroid folding devices are arranged on two sides of the product with the wrap angle. The wrap angle anti-falling device is supported through the design, the technical problem that the wrap angle is easy to incline, shift or fall in the process of turning a station is solved, so that the phenomenon that the product is deformed or even breaks the corner due to mutual collision in the transportation process is avoided, the wrap angle packaging quality is better, the product application quality is improved, and integrated packaging and industrial production are also realized.

Description

Prevent packing plant that cornerite drops

Technical Field

The utility model relates to a packaging machinery technique especially relates to a prevent packing plant that cornerite drops.

Background

After finishing processing of ceramic tiles, doors, windows, plates and other plate-shaped section products, in order to avoid the problems of mutual collision, scratch, dust accumulation and the like in the product storage or transportation process, a layer of leatheroid is usually packaged on the outer surface of a finished product.

However, the corner positions of the product, especially the four corner positions, are easy to deform or even break corners due to mutual collision during transportation, so that the corner positions of the product are prevented from deforming or breaking corners. In the prior art, an anti-collision wrap angle is usually placed at a corner position of a finished product to protect four corner positions of the product. The conventional packaging process is as follows: on putting the cornerite station, put the cornerite on four angular position of product earlier, then carry out the folding cladding of leatheroid on the leatheroid cladding station through the conveyer belt, but the cornerite is at the in-process of turning the station, inclines easily, the skew, drops even, needs the manual work to right or the supply, leads to unable realization integration packing, and packaging efficiency is low, is unfavorable for industrial production.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a packaging device for preventing wrap angle from falling. The wrap angle anti-falling device is supported through the design, the technical problem that the wrap angle is easy to incline, shift or fall in the process of turning a station is solved, so that the phenomenon that the product is deformed or even breaks the corner due to mutual collision in the transportation process is avoided, the wrap angle packaging quality is better, the product application quality is improved, and integrated packaging and industrial production are also realized.

The purpose of the utility model is realized by adopting the following technical scheme: a packaging device for preventing wrap corners from falling off comprises a product lifting mechanism for lifting a product with wrap corners to a paper wrapper folding surrounding edge station, a wrap corner supporting and falling prevention device for clamping wrap corners before lifting and preventing wrap corners from falling off, and a front paper wrapper folding device and a back paper wrapper folding device for correspondingly wrapping front paper wrappers and back paper on the four peripheral edges of the product with wrap corners; the wrap angle supporting anti-falling device is arranged above a product with a wrap angle; the product lifting mechanism is arranged below the product with the wrap angle; the front folding leatheroid and the back folding leatheroid folding devices are arranged on two sides of the product with the wrap angle.

Furthermore, the wrap angle supporting and anti-falling device comprises a wrap angle clamping mechanism used for clamping wrap angles on four corner positions of a product, and a wrap angle supporting lifting mechanism used for driving the wrap angle clamping mechanism to do lifting motion between a wrap angle supporting station and a wrapper folding surrounding edge station.

Furthermore, the two groups of corner clamping mechanisms are correspondingly arranged on two sides of the product respectively; each group of corner clamping mechanisms comprises a corner clamping plate and a corner clamping cylinder; the angle clamping cylinder is arranged in the horizontal direction, the angle clamping plate is arranged on a telescopic rod of the angle clamping cylinder, and the angle clamping cylinder drives the angle clamping plate to clamp the wrap angle; the wrap angle supporting lifting mechanism comprises a mounting plate and a wrap angle supporting lifting cylinder; the mounting plate is mounted on a telescopic rod of the wrap angle supporting lifting cylinder, and the wrap angle supporting lifting cylinder drives a wrap angle clamping cylinder on the mounting plate to do lifting motion in the vertical direction; and the two wrap angle clamping cylinders are arranged at the bottom of the mounting plate.

Furthermore, the front folding leatheroid and the back folding leatheroid folding device comprise a front folding leatheroid folding mechanism and a back folding leatheroid folding mechanism; the front folding leatheroid folding mechanism and the back folding leatheroid folding mechanism are positioned on the same horizontal position.

Furthermore, the paper folding mechanism comprises a paper folding joint, a driving push plate and a driving push arm; the paper folding joints are respectively arranged at the top, the bottom, the left side and the right side of the driving push plate; the driving push arm is fixed on the back of the driving push plate and pushes the driving push plate to move along the horizontal direction; the folded paper folding mechanism comprises a folded paper upper cover guide plate, a folded paper lower cover guide plate, a folded paper side edge guide plate, a folded paper upper cover guide plate and a folded paper lower cover guide plate; the folded paper upper cover guide plate and the folded paper lower cover guide plate are arranged in an up-and-down symmetrical mode; the two folded paper side guide plates are arranged in a bilateral symmetry manner; the upper cover guide plate and the lower cover guide plate are arranged symmetrically up and down and are positioned on the inner side of the side edge guide plate; the folded paper upper cover guide plate, the folded paper lower cover guide plate, the folded paper side edge guide plate, the folded paper upper cover guide plate and the folded paper lower cover guide plate enclose a limiting cavity for a product with wrapped leatheroid to pass through.

Furthermore, the paper folding joint comprises a swinging plate, a return spring, a rotating shaft and a fixed seat; the swing plate is rotatably pivoted on the fixing seat through a rotating shaft, the reset spring is sleeved on the rotating shaft, one end of the reset spring is abutted to the swing plate, and the other end of the reset spring is abutted to the fixing seat.

Furthermore, the folding device for folding the front leatheroid and the back leatheroid further comprises a front positioning mechanism for positioning the position of the front leatheroid and a back positioning mechanism for positioning the position of the back leatheroid.

Further, the product lifting mechanism comprises a lifting plate and a lifting cylinder; the lifting plate is arranged on a telescopic rod of the lifting cylinder, and the lifting cylinder drives the lifting plate to do lifting motion in the vertical direction.

Furthermore, the packaging device for preventing the wrap angle from falling off also comprises a bearing mechanism for bearing a product to be wrapped with the leatheroid.

Further, the packaging device for preventing the wrap angle from falling off also comprises an additional bearing mechanism for additionally bearing the product.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the wrap angle anti-falling device is supported through the design, the technical problem that the wrap angle is easy to incline, shift or fall in the process of turning a station is solved, so that the phenomenon that the product is deformed or even breaks the corner due to mutual collision in the transportation process is avoided, the wrap angle packaging quality is better, the product application quality is improved, and integrated packaging and industrial production are also realized.

(2) In addition, the front leatheroid and the rear leatheroid are respectively wrapped on the periphery of the product from the front side and the rear side of the product to form the surrounding edge type package, compared with the full-wrapping type package mode in the prior art, the surrounding edge type package mode can save 1/3 package paper, reduce the cost of package paper, is suitable for packaging boards of any size, and improves the production benefit.

Drawings

FIG. 1 is a schematic view of the product to be packaged and the style of the leatheroid of the present invention;

FIG. 2 is a schematic view of the front and rear leatheroid of the preferred embodiment of the present invention;

FIG. 3 is a schematic structural view of a packaging device for preventing wrap angles from falling off according to a preferred embodiment of the present invention;

FIG. 4 is a schematic structural view of the corner supporting and anti-falling device according to the preferred embodiment of the present invention;

FIG. 5 is a schematic view of the process of corner erection according to the preferred embodiment of the present invention;

FIG. 6 is a side view of the folding device for folding front and back leatheroid of the preferred embodiment of the invention;

FIG. 7 is a top view of the folding device for folding front and back leatheroid of the preferred embodiment of the invention;

FIG. 8 is a schematic structural view of the paper folding joint and the active push plate according to the preferred embodiment of the present invention;

FIG. 9 is a schematic structural view of a paper folding joint according to a preferred embodiment of the present invention;

fig. 10 is a cross-sectional view of a paper folding joint according to a preferred embodiment of the present invention.

In the figure: 1. a product lifting mechanism; 11. lifting the plate; 12. a lifting cylinder; 13. lifting the screw rod assembly; 2. a wrap angle supporting anti-falling device; 21. a wrap angle clamping mechanism; 211. wrapping an angle plate; 212. a wrap angle clamping cylinder; 213. a non-slip mat; 22. a wrap angle supporting lifting mechanism; 221. mounting a plate; 222. a wrap angle supporting lifting cylinder; 223. a lifting screw rod assembly; 23. a sucker component; 3. the folding device comprises a front paper sheet folding device and a back paper sheet folding device; 31. a front paper folding mechanism; 311. a paper folding joint; 3111. a swing plate; 3112. a return spring; 3113. a rotating shaft; 3114. a fixed seat; 312. an active push plate; 313. an active push arm; 32. a folded leatheroid folding mechanism; 321. covering a guide plate on the folded paper; 322. the folded paper covers the guide plate; 323. a folded paper side edge guide plate; 324. covering a guide plate on the folded side paper; 325. folding the back side paper to cover the guide plate; 33. a front positioning mechanism; 331. a front bearing table; 332. a front positioning groove; 34. a rear positioning mechanism; 341. a rear bearing platform; 342. a rear positioning groove; 4. a carrying mechanism; 41. a bearing plate; 42. a receiving cylinder; 5. an additional supporting mechanism; 51. adding a bearing plate; 52. an additional receiving cylinder; 6. a conveyor belt; A. front leatheroid; a1, a front leatheroid body; a2, covering the front paper; a3, a front paper lower cover; a4, front paper side small cover; B. a back leatheroid; b1, a rear leatheroid body; b2, covering the rear paper; b3, a lower cover of the back paper; b4, a rear paper side cover; b5, a rear paper side upper cover; b6, a rear paper side lower cover; C. wrapping corners; D. and (5) producing the product.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the present application, as shown in fig. 1-2, the front leatheroid and the rear leatheroid wrap the periphery of the product from the front side and the rear side of the product C respectively to form a surrounding edge type package, specifically, the surrounding edge type leatheroid comprises a front leatheroid a and a rear leatheroid B, and the front leatheroid a has a pattern that the front leatheroid a comprises a front leatheroid body a1, a front paper upper cover a2 arranged at the upper part of the front leatheroid, a front paper lower cover A3 arranged at the lower part of the front leatheroid, and front paper side small covers a4 arranged at the two sides of the front leatheroid; the rear leatheroid B comprises a rear leatheroid body B1, a rear paper upper cover B2 arranged on the upper portion of the rear leatheroid, a rear paper lower cover B3 arranged on the lower portion of the rear leatheroid, rear paper side covers B4 arranged on both sides of the front leatheroid, a rear paper side upper cover B5 arranged on the upper portion of the rear paper side cover, and a rear paper side lower cover B6 arranged on the lower portion of the rear paper side cover. The front leatheroid is used for coating one side edge of the product and comprises an upper extending edge and a lower edge of the side edge of the product; the back leatheroid is used for cladding the other three sides of product, including last limit and the lower edgewise of three sides of product, and the back leatheroid of back leatheroid is covered including the little lid of preceding leatheroid side with preceding leatheroid, more firmly with preceding leatheroid spacing in product one side, waits to send to next process and carries out the aftertreatment, is about to carry out the ribbon processing with the product of having enclosed the leatheroid, accomplishes product surrounding edge formula packing. The product is one of plate-shaped sectional materials such as ceramic tiles, doors, windows, plates and the like.

As shown in fig. 3-10, a packaging device for preventing wrap corners from falling off comprises a product lifting mechanism 1 for lifting a product D with a wrap corner C to a wrapping paper folding surrounding edge station, a wrap corner holding anti-falling device 2 for holding wrap corners before lifting and preventing wrap corners from falling off, and a folded front paper cover and folded back paper cover folding device 3 for correspondingly wrapping front paper covers and folded back paper covers on the four peripheral edges of the product with wrap corners; the wrap angle supporting anti-falling device is arranged above a product with a wrap angle; the product lifting mechanism is arranged below the product with the wrap angle; the front folding leatheroid and the back folding leatheroid folding devices are arranged on two sides of the product with the wrap angle.

As a further preferable scheme, the product lifting mechanism comprises a lifting plate 11 and a lifting cylinder 12; the lifting plate is arranged on a telescopic rod of the lifting cylinder, and the lifting cylinder drives the lifting plate to do lifting motion in the vertical direction. The product lifting mechanism also comprises a lifting screw rod assembly 13; the cylinder body fixed mounting of lifting cylinder is in the lower part of frame, and the lifting cylinder passes through the lifting lead screw subassembly and is connected with the lifting board. Through the connection of lifting lead screw subassembly, be favorable to improving product lifting mechanism lifting transmission's stability.

As a further preferable scheme, the wrap angle supporting and anti-falling device 2 comprises a wrap angle clamping mechanism 21 for clamping wrap angles on four corner positions of a product, and a wrap angle supporting and lifting mechanism 22 for driving the wrap angle clamping mechanism to perform lifting motion between a wrap angle supporting station and a wrapper folding surrounding edge station.

Specifically, the two corner clamping mechanisms are arranged in two groups, and the two groups of corner clamping mechanisms are respectively and correspondingly arranged on two sides of the product; each group of corner clamping mechanisms comprises a corner clamping plate 211 and a corner clamping cylinder 212; the angle clamping cylinder is arranged in the horizontal direction, the angle clamping plate is arranged on a telescopic rod of the angle clamping cylinder, and the angle clamping cylinder drives the angle clamping plate to clamp the wrap angle; the telescopic links of the two groups of wrap angle clamping cylinders extend out or contract from two sides of a product simultaneously, when the telescopic links of the two groups of wrap angle clamping cylinders contract, the wrap angle clamping plates on two sides can respectively and correspondingly clamp wrap angles from the side faces of the product simultaneously, and the wrap angle clamping plates on each side clamp two wrap angles simultaneously. Preferably, the corner plate of the bag is provided with a non-slip pad 213.

The wrap angle supporting lifting mechanism comprises a mounting plate 221 and a wrap angle supporting lifting cylinder 222; the mounting plate is mounted on a telescopic rod of the wrap angle supporting lifting cylinder, and the wrap angle supporting lifting cylinder drives a wrap angle clamping cylinder on the mounting plate to do lifting motion in the vertical direction; and the two wrap angle clamping cylinders are arranged at the bottom of the mounting plate.

Preferably, the corner supporting lifting mechanism further comprises a lifting screw assembly 223; the cylinder body of the wrap angle supporting lifting cylinder is fixedly installed on the upper portion of the rack, and the wrap angle supporting lifting cylinder is connected with the installation plate through the lifting screw rod assembly. Through the connection of the lifting screw rod assembly, the lifting transmission stability of the corner supporting lifting mechanism is improved.

The wrap angle anti-falling device further comprises a sucker assembly 23 for adsorbing products. This sucking disc subassembly is installed on the mounting panel, and when pressing from both sides cornerite mechanism drop to the product both sides to when centre gripping cornerite, the sucking disc subassembly adsorbs the product from the product top, improves the centre gripping stability.

As a further preferable scheme, the front folding leatheroid and back folding leatheroid folding device 3 comprises a front folding leatheroid folding mechanism 31 and a back folding leatheroid folding mechanism 32; the front folding leatheroid folding mechanism and the back folding leatheroid folding mechanism are positioned on the same horizontal position.

As a further preferable scheme, the front folding leatheroid folding mechanism 31 comprises a paper folding joint 311, a driving push plate 312 and a driving push arm 313; the paper folding joints are respectively arranged at the top, the bottom, the left side and the right side of the driving push plate; the driving push arm is fixed on the back of the driving push plate and pushes the driving push plate to move along the horizontal direction; the folded paper folding mechanism 32 comprises a folded paper upper cover guide plate 321, a folded paper lower cover guide plate 322, a folded paper side edge guide plate 323, a folded paper upper cover guide plate 324 and a folded paper lower cover guide plate 325; the folded paper upper cover guide plate and the folded paper lower cover guide plate are arranged in an up-and-down symmetrical mode; the two folded paper side guide plates are arranged in a bilateral symmetry manner; the upper cover guide plate and the lower cover guide plate are arranged symmetrically up and down and are positioned on the inner side of the side edge guide plate; the folded paper upper cover guide plate, the folded paper lower cover guide plate, the folded paper side edge guide plate, the folded paper upper cover guide plate and the folded paper lower cover guide plate enclose a limiting cavity for a product with wrapped leatheroid to pass through.

The paper folding joint can be replaced by a paper folding mechanism which is used for folding the corner position of the leatheroid and is commonly used on the existing leatheroid packaging device, and as a further preferable scheme, the paper folding joint comprises a swinging plate 3111, a return spring 3112, a rotating shaft 3113 and a fixed seat 3114; the swing plate is rotatably pivoted on the fixing seat through a rotating shaft, the reset spring is sleeved on the rotating shaft, one end of the reset spring is abutted to the swing plate, and the other end of the reset spring is abutted to the fixing seat. Specifically, the fixing seat comprises mounting pieces, rotating shaft mounting parts arranged on two sides of the mounting pieces, and limiting pieces arranged between the rotating shaft mounting parts; the swing plate comprises a right-angle side lug, a spring abutting part arranged on the rear side of the right-angle side lug and side lug installation parts arranged on two sides of the right-angle side lug. According to the paper folding joint, the reset spring is designed, on one hand, when the front paper sheet is contacted with the right-angle side lug of the paper folding joint, the reset spring begins to contract, the reset springs among the paper folding joints can finely adjust the position error of the front paper sheet, and paper folding interference caused by the position error is reduced; on the other hand, the paper folding joint has a reset function, and can be quickly reset after the front paper is folded to wait for the preparation of packaging of the next product.

As a further preferable scheme, one end of the folded paper upper cover guide plate is folded upwards and outwards to form an arc-shaped guide surface, one end of the folded paper lower cover guide plate is folded downwards and outwards to form an arc-shaped guide surface, one end of the folded paper side edge guide plate is folded towards both sides and outwards to form an arc-shaped guide surface, one end of the folded paper upper cover guide plate is folded upwards and outwards to form an arc-shaped guide surface, and one end of the folded paper lower cover guide plate is folded downwards and outwards to form an arc-shaped guide surface. The folded paper folding mechanism is passively completed and then folded, so that each side cover of the back paper needs to be sequentially folded in order, preferably, a folded paper upper cover guide plate and a folded paper lower cover guide plate are arranged at the positions of a back paper upper cover and a back paper lower cover which firstly contact the back paper, then a folded paper side guide plate is arranged at the rear sides of the folded paper upper cover guide plate and the folded paper lower cover guide plate, and finally the folded paper upper cover guide plate and the folded paper lower cover guide plate are arranged at the rear sides of the folded paper side guide plate, so that the back paper is sequentially folded into the paper upper cover, the back paper lower cover, the back paper side upper cover and the back paper side lower cover.

As a further preferred scheme, the number of the paper folding joints is six, two paper folding joints are respectively installed at the top of the driving push plate, two paper folding joints are respectively installed at the bottom of the driving push plate, and the remaining two paper folding joints are respectively and correspondingly installed at the left side and the right side of the driving push plate. The design position of the paper folding joint is beneficial to more uniform stress of each side cover of the back leatheroid, and particularly, one paper folding joint needs to be additionally designed on the long side edge of a product.

As a further preferable scheme, the projection positions of the two paper folding joints positioned at the top of the active push plate and the projection positions of the two paper folding joints positioned at the bottom of the active push plate in the vertical direction are mutually and uniformly staggered. The design that the paper folding joints are staggered uniformly is beneficial to bending the upper cover and the lower cover of the back paper of the back leatheroid, and has more reasonable stress points.

As a further preferred solution, the width of the active push plate matches the thickness of the product. The design is beneficial to the continuous and orderly propulsion of the front leatheroid and the folded front leatheroid folding mechanism.

As a further preferable scheme, the folding device for folding the front leatheroid and the back leatheroid further comprises a front positioning mechanism 33 for positioning the position of the front leatheroid and a back positioning mechanism 34 for positioning the position of the back leatheroid. The front positioning mechanism comprises a front bearing platform 331 and a front positioning groove 332, the front bearing platform and the front positioning groove are located between the bearing plate and the front paper sheet folding mechanism, the front positioning groove is located above the front bearing platform, and the front bearing platform is used for bearing the front paper sheet to be folded and limiting the position of the top of the front paper sheet to be folded. The rear positioning mechanism comprises a rear bearing platform 341 and a rear positioning groove 342, the rear bearing platform and the rear positioning groove are positioned between the bearing plate and the folded paper folding mechanism, the rear positioning groove is positioned above the rear bearing platform, and the front bearing platform is used for bearing the front paper to be folded and limiting the positions of two sides of the front paper to be folded.

As a further preferred scheme, the packaging device for preventing the wrap angle from falling off further comprises a bearing mechanism 4 for bearing a product to be wrapped with the leatheroid; the two groups of supporting mechanisms are respectively and correspondingly arranged on two sides of the product and are positioned between the product lifting mechanism and the corner supporting and lifting mechanism; each set of receiving mechanism comprises a receiving plate 41 and a receiving cylinder 42; the bearing cylinder is arranged in the horizontal direction, the bearing plate is arranged on a telescopic rod of the bearing cylinder, and the bearing cylinder drives the bearing plate to extend and retract along the horizontal direction; after the product with the clamped wrap angle is lifted to the paper sheet folding surrounding edge station, the supporting mechanism extends into the product from the bottom of the product, supports the product and waits for the treatment and processing of the paper sheet folding and coating process.

As a further preferred solution, the packaging device for preventing the wrap angle from falling off further comprises an additional bearing mechanism 5 for additionally bearing the product; the additional supporting mechanisms are arranged in two groups, and the two groups of additional supporting mechanisms and the supporting mechanisms are arranged on the same horizontal position; each set of additional take-up mechanism comprises an additional take-up plate 51 and an additional take-up cylinder 52; the additional bearing cylinder is arranged in the horizontal direction, the additional bearing plate is arranged on an expansion rod of the additional bearing cylinder, and the additional bearing cylinder drives the additional bearing plate to expand and contract along the horizontal direction. The additional bearing mechanism is used for supporting the wrap angle, after the front leatheroid is folded, the additional bearing plate is drawn out, and the front leatheroid and the folding mechanism for folding the front leatheroid are convenient to continue to push.

The product is one of plate-shaped sectional materials such as ceramic tiles, doors, windows, plates and the like. Taking the packaging ceramic tile product as an example, the working process of the packaging device for preventing the wrap angle from falling off is as follows:

1. ceramic tile products to be wrapped with leatheroid are placed on a conveyer belt 6 and conveyed to a wrap angle supporting station (below the leatheroid folding surrounding edge station) through the conveyer belt;

2. the telescopic rod of the wrap angle supporting lifting cylinder extends out, so that the two wrap angle clamping mechanisms on the mounting plate fall to two sides of the product; then the telescopic rods of the two groups of wrap angle clamping cylinders contract, and the two groups of wrap angle clamping plates respectively clamp the wrap angle and the product from the side surface of the product at the same time to finish the wrap angle clamping process;

3. the wrap angle supporting lifting cylinder is cut off, the telescopic rod is in a free state, and the product lifting mechanism pushes the product, the wrap angle and the wrap angle clamping mechanism to ascend from the wrap angle supporting station to the wrapper folding surrounding edge station;

4. when the ceramic tile product to be wrapped with the leatheroid is lifted to the leatheroid folding surrounding edge station, the supporting mechanism and the additional supporting mechanism both extend into the product from the bottom of the product and support the product; the wrap angle clamping cylinder extends out, the wrap angle supporting lifting cylinder contracts, the wrap angle supporting anti-falling device returns to the original state, and the next product is waited for clamping the wrap angle; the wrap angle is smoothly transferred to a leatheroid folding and wrapping work station to wait for the processing of the leatheroid folding and wrapping work station; in addition, the supporting mechanism and the additional supporting mechanism can further press the wrap angle and prevent the wrap angle from falling.

5. The front leatheroid and the rear leatheroid are in place, and the front leatheroid is positioned at the front side of a product with the surrounding leatheroid under the centralizing and positioning action of the front positioning mechanism; the rear leatheroid is positioned at the rear side of a product to be wrapped by the leatheroid under the centralizing and positioning action of the rear positioning mechanism, and waits for the procedure of wrapping the leatheroid;

6. starting a front paper folding mechanism, wherein an active push arm extends forwards, an active push plate extends simultaneously, paper folding joints at multiple positions on the active push plate touch front paper sheets simultaneously and are pressed towards the central position of the paper sheets, so that a front paper body A1 of the front paper sheets is tightly attached to the front side edge of a ceramic brick stack, an upper front paper cover A2 is tightly attached to the upper edge of the front side edge of the ceramic brick stack, a lower front paper cover A3 is tightly attached to the lower edge of the front side edge of the ceramic brick stack, and a small front paper side cover A4 is tightly attached to the side edge of the front side edge of the ceramic brick stack; the ceramic brick pile is passively pushed to the folded paper sheet folding mechanism by the front paper sheet folding mechanism;

7. the folded leatheroid folding mechanism passively folds the folded leatheroid, firstly, the ceramic brick is piled in the advancing process, the rear paper body B1 of the rear paper is tightly attached to the rear side edge of the ceramic brick pile, the rear paper upper cover B2 is gradually and passively tightly attached to the upper edge of the rear side edge of the ceramic brick pile under the guiding action of the arc-shaped guiding surface of the folded rear paper upper cover guiding plate 321, the rear paper lower cover B3 is gradually and passively tightly attached to the lower edge of the rear side edge of the ceramic brick pile under the guiding action of the arc-shaped guiding surface of the folded rear paper lower cover guiding plate 322, the rear paper side cover B4 is gradually and passively tightly attached to the left and right side edges of the ceramic brick pile under the guiding action of the arc-shaped guiding surface of the folded rear paper side guiding plate 323, the rear paper side upper cover B5 is gradually and passively tightly attached to the upper edge of the left and right side edges of the ceramic brick pile under the guiding action of the arc-shaped guiding surface of the folded rear paper upper cover guiding plate 324, and the rear paper side lower cover B6 is gradually and passively tightly attached to the lower edge of the left and right side;

8. the ceramic brick pile is passively fed into a limiting cavity of the folded paper sheet folding mechanism under the active pushing of the folded paper sheet folding mechanism, and is conveyed to the next station under the action of the conveying belt to be processed by a binding belt, so that the folding process of surrounding edge type packaging is completed.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The packaging device is characterized by comprising a product lifting mechanism, a corner supporting and falling preventing device and a front paper sheet and back paper sheet folding device, wherein the product lifting mechanism is used for lifting a product with corners to a paper sheet folding surrounding edge station; the wrap angle supporting anti-falling device is arranged above a product with a wrap angle; the product lifting mechanism is arranged below the product with the wrap angle; the front folding leatheroid and the back folding leatheroid folding devices are arranged on two sides of the product with the wrap angle.

2. The packaging device for preventing the wrap angle from falling off as claimed in claim 1, wherein the wrap angle supporting and falling-off preventing device comprises a wrap angle clamping mechanism for clamping the wrap angle at four angular positions of a product, and a wrap angle supporting and lifting mechanism for driving the wrap angle clamping mechanism to perform lifting movement between a wrap angle supporting station and a wrapper folding surrounding edge station.

3. The packaging device for preventing the wrap angle from falling off as claimed in claim 2, wherein the wrap angle clamping mechanisms are two groups, and the two groups of wrap angle clamping mechanisms are respectively correspondingly arranged on two sides of the product; each group of corner clamping mechanisms comprises a corner clamping plate and a corner clamping cylinder; the angle clamping cylinder is arranged in the horizontal direction, the angle clamping plate is arranged on a telescopic rod of the angle clamping cylinder, and the angle clamping cylinder drives the angle clamping plate to clamp the wrap angle; the wrap angle supporting lifting mechanism comprises a mounting plate and a wrap angle supporting lifting cylinder; the mounting plate is mounted on a telescopic rod of the wrap angle supporting lifting cylinder, and the wrap angle supporting lifting cylinder drives a wrap angle clamping cylinder on the mounting plate to do lifting motion in the vertical direction; and the two wrap angle clamping cylinders are arranged at the bottom of the mounting plate.

4. The packaging device for preventing the wrap angle from falling off as claimed in claim 1, wherein the front folding leatheroid and the back folding leatheroid folding device comprise a front folding leatheroid folding mechanism and a back folding leatheroid folding mechanism; the front folding leatheroid folding mechanism and the back folding leatheroid folding mechanism are positioned on the same horizontal position.

5. The packaging device for preventing the wrap angle from falling off as claimed in claim 4, wherein the paper folding mechanism comprises a paper folding joint, a driving push plate and a driving push arm; the paper folding joints are respectively arranged at the top, the bottom, the left side and the right side of the driving push plate; the driving push arm is fixed on the back of the driving push plate and pushes the driving push plate to move along the horizontal direction; the folded paper folding mechanism comprises a folded paper upper cover guide plate, a folded paper lower cover guide plate, a folded paper side edge guide plate, a folded paper upper cover guide plate and a folded paper lower cover guide plate; the folded paper upper cover guide plate and the folded paper lower cover guide plate are arranged in an up-and-down symmetrical mode; the two folded paper side guide plates are arranged in a bilateral symmetry manner; the upper cover guide plate and the lower cover guide plate are arranged symmetrically up and down and are positioned on the inner side of the side edge guide plate; the folded paper upper cover guide plate, the folded paper lower cover guide plate, the folded paper side edge guide plate, the folded paper upper cover guide plate and the folded paper lower cover guide plate enclose a limiting cavity for a product with wrapped leatheroid to pass through.

6. The packaging device for preventing the wrap angle from falling off as claimed in claim 5, wherein the paper folding joint comprises a swinging plate, a return spring, a rotating shaft and a fixed seat; the swing plate is rotatably pivoted on the fixing seat through a rotating shaft, the reset spring is sleeved on the rotating shaft, one end of the reset spring is abutted to the swing plate, and the other end of the reset spring is abutted to the fixing seat.

7. The packaging device for preventing the wrap angle from falling off as claimed in claim 1, wherein the folding device for folding the front and back leatheroid further comprises a front positioning mechanism for positioning the front leatheroid and a back positioning mechanism for positioning the back leatheroid.

8. The wrap angle drop preventing packaging device according to claim 1, wherein the product lifting mechanism comprises a lifting plate and a lifting cylinder; the lifting plate is arranged on a telescopic rod of the lifting cylinder, and the lifting cylinder drives the lifting plate to do lifting motion in the vertical direction.

9. The wrap angle dropout prevention packaging device of claim 1, further comprising a receiving mechanism for holding a product to be wrapped with a paper wrapper.

10. The wrap angle drop prevention package of claim 1 further comprising an additional support mechanism for an additional supported product.