CN210503450U

CN210503450U - Envelope edge sealing machine

Info

Publication number: CN210503450U
Application number: CN201920785582.7U
Authority: CN
Inventors: 陈明洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-05-12
Anticipated expiration: 2029-05-29

Abstract

The embodiment of the utility model discloses envelope bag sealer, include: the envelope conveying device comprises a conveying mechanism, a grabbing mechanism, a gluing mechanism and a press sealing mechanism, wherein the conveying mechanism is provided with a supporting frame, the upper end of the supporting frame is connected with a conveying belt, an envelope fixing device is arranged on the conveying belt, and the conveying belt is driven to move by rollers at two ends; the grabbing mechanism is connected to the supporting frame and has spatial freedom; the gluing mechanism is connected to the supporting frame, is adjacent to the grabbing mechanism and is arranged in front of the grabbing mechanism, and the press sealing mechanism is connected to the supporting frame, is adjacent to the gluing mechanism and is arranged in front of the gluing mechanism. Compared with the prior art, the utility model, it can realize automatic work completely, and its simple structure simultaneously, occupation of land spatial position is less, not only can encapsulate big, middle and small type envelope, can also encapsulate convenient operation to other products that need the encapsulation.

Description

Envelope edge sealing machine

Technical Field

The utility model relates to a technical field of bag sealer especially relates to an envelope bag sealer.

Background

With the continuous enhancement of people's environmental awareness, it has become the trend of current social development to pack articles with envelopes instead of plastic bags, and especially enterprise and express delivery company often mail some important data, need use envelope, express delivery bag to pack, and most companies mainly rely on artifical encapsulation, very big occupation operating time. Most of the current markets are large-sized packaging devices, envelopes are mainly manufactured, processed and used, and meanwhile, the envelopes occupy large space and cannot be stored in small offices.

The invention relates to a method for processing a semiconductor chip.

An object of the embodiment of the utility model is to provide an envelope bag sealer to propose among the solution above-mentioned technical problem to lean on artifical encapsulation envelope inefficiency, and the big technical problem in current envelope bag sealer occupation of land space.

In order to solve the above problem, an embodiment of the present invention provides an envelope edge bonding machine, including:

the conveying mechanism is provided with a supporting frame, the upper end of the supporting frame is connected with a conveying belt, an envelope fixing device is arranged on the conveying belt, two ends of the conveying belt are connected with rollers, and the rollers drive the conveying belt to move;

the grabbing mechanism is arranged on the supporting frame, has spatial freedom and is used for grabbing the envelopes and placing the envelopes on the conveying belt;

the glue coating mechanism is arranged on the supporting frame, is adjacent to the grabbing mechanism and is arranged in front of the grabbing mechanism, and is used for coating glue on the edge of the envelope conveyed by the conveying belt;

and the press sealing mechanism is arranged on the supporting frame, is adjacent to the glue coating mechanism and is arranged in front of the glue coating mechanism, and is used for rolling and pressing the edge of the coated envelope.

Preferably, the grasping mechanism includes:

the sucking disc realizes negative pressure suction and can automatically suck the envelope;

first robotic arm, one end is connected on the supporting rack, and the other end is connected the sucking disc, first robotic arm has the space degree of freedom for it removes to absorb the envelope and places the conveyer belt on to drive the sucking disc.

Preferably, the gluing mechanism comprises:

the glue storage device is connected to the supporting frame;

the gluing part is arranged at the bottom end of the glue storage device, one end of the gluing part is connected with the glue storage device, the other end of the gluing part is provided with a gluing brush, and the gluing brush is arranged right above the transmission belt.

Preferably, the press seal mechanism sets up to link up special-shaped curved plate as an organic whole, connects at the supporting rack top panel border, has a straight line limit, this straight line limit with the laminating of transmission band surface, special-shaped curved plate includes:

the other edge opposite to the straight edge is gradually raised upwards to form a gentle slope shape, and when the conveying belt drives the envelope to move to the position, the edge raising part pushes up the edge of the envelope;

the curling part is positioned on one side of the warped edge part and is in smooth transition with the warped edge part, the other side opposite to the straight line side is inwards rolled into an arc surface, and when the conveying belt drives the envelope to move to the position, the curling part turns the edge of the envelope inwards;

and the edge pressing part is positioned on one side of the edge rolling part and smoothly transits with the edge rolling part, the other side opposite to the straight line side is inwards folded into a horizontal plane, and the edge pressing part is positioned on the surface of the conveying belt and has a distance with the conveying belt larger than the thickness of one envelope and is used for completely pressing the envelope.

Preferably, the envelope fixing device is arranged as a clamping groove, the clamping groove is arranged on the outer surface of the conveying belt, the size of the clamping groove is the same as that of an envelope, the front end of the clamping groove is an opening part, the envelope is inserted into the clamping groove from the opening part through a grabbing mechanism, the edge needing to be glued is left outside the clamping groove, and the other three edges of the envelope are fixed through the clamping groove;

and a second mechanical arm is arranged on the supporting frame, has spatial freedom, is adjacent to the press sealing mechanism and is arranged in front of the press sealing mechanism, and is used for taking out the sealed envelope from the clamping groove.

Preferably, the envelope fixing device is a vacuum adsorption device which is arranged on the inner side of the conveying belt, can realize negative pressure adsorption and is used for sucking and fixing the envelope.

Preferably, the envelope edge banding machine further comprises an envelope discharge placement device, which comprises:

one end of the box body is rotationally connected with the roller, and the other end of the box body can freely rotate;

and one end of the telescopic rod is rotatably connected with the supporting frame, and the other end of the telescopic rod is connected with the free end of the box body.

Preferably, the telescopic rod comprises:

the large rod is a hollow rod, and one end of the large rod is rotatably connected with the supporting frame;

the outer diameter of the small rod is smaller than the inner diameter of the large rod, one end of the small rod is inserted into the large rod and slides axially relative to the large rod, and the other end of the small rod is rotatably connected with the box body;

the large rod is provided with two threaded holes which are radially communicated, a first fixed pin shaft and a second fixed pin shaft are respectively arranged in the two threaded holes, the small rod is provided with a small hole matched with the second fixed pin shaft, the second fixed pin shaft is inserted into the small hole of the small rod, the supporting frame is provided with a small hole matched with the first fixed pin shaft, and the first fixed pin shaft is inserted into the small hole of the supporting frame.

Preferably, the envelope edge banding machine further comprises:

and the envelope feeding and placing box is positioned under the sucker and is used for placing the envelopes needing edge sealing.

Preferably, a sliding groove is formed in the supporting frame, the sliding groove is formed right below the suction disc, and the envelope feeding and placing box is arranged in the sliding groove.

Preferably, the bottom end of the supporting frame is provided with a travelling wheel.

Compared with the prior art, the utility model discloses embodiment's beneficial effect is: when the envelope edge banding machine needs to be used, a power switch is started, a transmission belt moves forwards under the driving of a driving roller, a mechanical arm in a grabbing mechanism drives a vacuum chuck to move, an envelope is sucked and placed on the transmission belt, the envelope is fixed through an envelope fixing device on the transmission belt, the transmission belt always keeps a forward movement state, glue is directly coated on the edge of the envelope needing to be packaged through a glue coating portion at the lower end of the glue coating mechanism when the envelope passes through the glue coating mechanism, the transmission belt continues to move forwards to a first section gentle slope of a press-sealing mechanism, the edge of the envelope upwards tilts under the action of the gentle slope, then the transmission belt moves to a second section of arc-shaped curved surface, the edge of the envelope is gradually folded under the action of the arc-shaped curved surface, and finally the edge of the envelope is completely pressed under.

It can be seen that, the utility model discloses can realize automatic work completely, this small-size envelope packaging machine simple structure simultaneously, occupation of land spatial position is less, not only can encapsulate big, middle and small type envelope, can also encapsulate the product that other needs encapsulate, convenient operation, work efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic front view of an envelope edge bonding machine according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a press sealing mechanism of an envelope edge bonding machine according to an embodiment of the present invention;

FIG. 3 is a schematic perspective view of a telescopic rod of the envelope edge bonding machine according to the embodiment of the present invention;

fig. 4 is a partially enlarged view of a portion a of fig. 1, and the chute structure of the envelope feeding and placing box is highlighted.

Reference numerals

1. A transport mechanism; 2. A grabbing mechanism;

3. a gluing mechanism; 4. A press sealing mechanism;

5. an envelope discharging and placing device; 6. An envelope feeding and placing device;

11. a support frame; 12. A drum;

13. a conveyor belt; 14. An envelope holding device;

15. a second robot arm; 21. A first robot arm;

22. a suction cup; 31. A glue storage device;

32. a glue coating part; 41. Edge warping parts;

42. a hemming part; 43. Pressing edge parts;

51. a box body; 52. A telescopic rod;

111. a chute; 112. A traveling wheel;

521. a small rod; 522. A large pole;

523. a second fixed pin shaft; 524. first fixed pin shaft

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the generic and descriptive sense only and not for purposes of limitation, as the term is used in the generic and descriptive sense, and not for purposes of limitation, unless otherwise specified or implied, and the specific reference to a device or element is intended to be a reference to a particular element, structure, or component. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the embodiment of the present invention provides an envelope edge bonding machine, including:

the conveying mechanism 1 is provided with a supporting frame 11, the upper end of the supporting frame 11 is connected with a conveying belt 13, envelope fixing devices are arranged on the conveying belt 13, two ends of the conveying belt 13 are connected with rollers 12, and the rollers 12 drive the conveying belt 13 to move;

a gripping mechanism 2 connected to the support frame 11, the gripping mechanism 2 having spatial freedom for gripping envelopes and placing them on the conveyor belt 13;

the glue coating mechanism 3 is connected to the supporting frame 11, is adjacent to the grabbing mechanism 2, is arranged in front of the grabbing mechanism 2, and is used for coating glue on the edge of the envelope conveyed by the conveying belt 13;

and the press sealing mechanism 4 is connected to the supporting frame 11, is adjacent to the gluing mechanism 3, is arranged in front of the gluing mechanism 3, and is used for rolling and pressing the edges of the glued envelopes.

Note that the front direction described here refers to a direction along the movement of the conveyor belt 13.

The transmission mechanism 1 can be a belt conveyor which is vertically arranged on the ground, the transmission belt 13 is kept horizontal with the ground, the roller 12 can be a driving roller and a driven roller, the driving roller is connected with an external motor to drive the transmission belt 13 to move, and the driven roller controls the movement direction of the transmission belt 13.

Wherein, the envelope fixing device can be arranged in a slot shape, is adhered on the envelope placing surface of the conveying belt 13 and is used for limiting the left side edge, the right side edge and the bottom edge of the envelope; the envelope fixing device can also be set as a vacuum suction device, the vacuum suction device penetrates through the annular groove of the conveying belt 13, two sides of the vacuum suction device can be directly welded or connected with the supporting frame 11 through bolts and rivets, the surface of the vacuum suction device is attached to the inner surface of the conveying belt 13, negative pressure suction can be achieved, and envelopes are sucked on the outer surface of the conveying belt 13 to be fixed.

The grabbing mechanism 2 can be set to be a mechanical arm with freedom degree, one end of the grabbing mechanism is fixed on the supporting frame 11 through a bolt or a rivet, the other end of the grabbing mechanism is connected with a suction device through a bolt or a rivet, the suction device can be set to be a vacuum sucker, and negative pressure suction can be achieved.

The glue coating mechanism 3 can be an automatic glue coating machine and is fixed on the supporting frame 11 through bolts or rivets, and when the envelope is driven by the conveying belt 13 to be conveyed to the glue coating machine, glue can be directly coated on the edge of the envelope to be packaged by the glue coating portion at the lower end of the glue coating machine.

The press sealing mechanism 4 can be a special-shaped curved surface which is connected into a whole and is provided with a straight edge, the straight edge is attached to the edge of the conveying belt 13, the other edge opposite to the straight edge is provided with three sections of different bending radiuses, the first section is set to be in a gentle slope shape, when an envelope passes through the gentle slope section, the edge of the envelope to be sealed can be pushed upwards, the second section is bent inwards to be in an arc shape along the gentle slope of the first section, when the envelope passes through the arc section, the pushed-up edge of the envelope can be gradually folded, the third section is continuously bent inwards to be in a horizontal shape along the arc shape of the second section, and when the envelope passes through the horizontal section, the folded edge of the envelope can be completely pressed to finish edge sealing of the envelope.

Wherein, the welding has the support on the press seal mechanism 4 back, can connect press seal mechanism 4 on supporting rack 11 through the support, and press seal mechanism 4 is last to have the first section of gentle slope form and be close to rubber coating mechanism 3.

The working principle of the embodiment is as follows:

when the envelope edge banding machine needs to be used, a power switch is started, the conveying belt 13 moves forward under the driving of the roller 12, a mechanical arm in the grabbing mechanism 2 drives the vacuum sucker to move, the envelope is sucked and placed on the conveying belt 13, the envelope is fixed through an envelope fixing device on the conveying belt 13, the conveying belt 13 always keeps a forward movement state, glue is directly coated on the edge of the envelope needing to be packaged through a glue coating portion at the lower end of the glue coating mechanism 3 when the envelope passes through the glue coating mechanism 3, the conveying belt 13 continues to move forward to a first section gentle slope of the press-sealing mechanism 4, the edge of the envelope upwards tilts under the action of the gentle slope, then the envelope moves to a second section of arc-shaped curved surface, the edge of the envelope is gradually folded under the action of the arc-shaped curved surface, and finally the edge of the envelope is completely pressed.

Specifically, the grasping mechanism 2 may include:

the sucking disc 22 realizes negative pressure suction and can automatically suck the envelope;

and one end of the first mechanical arm 21 is connected to the supporting frame 11, the other end of the first mechanical arm is connected to the suction cup 22, and the first mechanical arm 21 has spatial freedom and is used for driving the suction cup 22 to move so as to suck the envelopes onto the conveying belt 13.

Specifically, the glue applying mechanism 3 may include:

a glue storage device 31 connected to the support frame 11;

and the gluing part 32 is arranged at the bottom end of the glue storage device 31, one end of the gluing part is connected with the glue storage device 31, the other end of the gluing part is provided with a gluing brush, and the gluing brush is arranged right above the transmission belt 13.

Wherein, store up gluey ware 31 and can set up to the box of square or cylinder, the top of box can be provided with into gluey mouth, conveniently adds gluey, and the bottom can set up out gluey mouth.

The glue applying part 42 may be a pipe connected to the glue outlet of the glue storage 41, and the bottom end of the pipe may be provided with a glue applying brush, which may be set in different sizes as required.

As shown in fig. 2, the press sealing mechanism 4 is a special-shaped curved plate which is connected to the edge of the upper panel of the supporting frame 11, and has a straight edge, the straight edge is attached to the surface of the conveying belt 13, and the special-shaped curved plate includes:

the other edge opposite to the straight edge of the edge warping part 41 is gradually warped upwards to form a gentle slope shape, and when the envelope is driven to move to the position by the conveying belt 13, the edge warping part 41 pushes up the edge of the envelope;

the curling part 42 is positioned on one side of the warping part 41 and is in smooth transition with the warping part 41, the other side opposite to the straight line side is inwards rolled into an arc surface, and when the envelope is driven to move to the position by the conveying belt 13, the curling part 42 turns the edge of the envelope inwards;

and the edge pressing part 43 is positioned on one side of the edge rolling part 42 and smoothly transits with the edge rolling part 42, the other side opposite to the straight line side is folded inwards to form a horizontal plane, and the edge pressing part is positioned on the surface of the conveying belt 13 and is spaced from the conveying belt 13 by more than the thickness of one envelope for completely pressing the envelope.

The edge warping portion 41, the edge curling portion 42 and the edge pressing portion 43 can be three curved plates which are separately bent and rolled, and are welded into a whole in sequence, or can be a complete panel which is bent and rolled into three parts according to requirements.

As shown in fig. 2, in order to better fix the envelope on the conveyor belt 13, the envelope fixing device 14 may be configured as a blocking groove, which may be configured to have the same width as the envelope, the blocking groove is configured as an opening part near the front end of the grabbing mechanism 2, the envelope is inserted into the blocking groove from the opening part through the grabbing mechanism 2, the edge to be glued is left outside the blocking groove, and the other three edges are fixed through the blocking groove;

meanwhile, a second mechanical arm 15 may be provided on the support 11, and the second mechanical arm 15 has a spatial degree of freedom, and is disposed adjacent to the press-sealing mechanism 4 and in front of the press-sealing mechanism 4, so as to take out the sealed envelope from the blocking groove.

One end of the second mechanical arm 15 can be connected with the supporting frame 11 through a bolt or a rivet, the other end of the second mechanical arm can be connected with a sucking disc, and the envelope with sealed edges can be taken out of the clamping groove through the sucking disc.

Further, the envelope fixing device 14 can also be set as a vacuum adsorption device, negative pressure adsorption can be realized, the vacuum adsorption device can be arranged on the inner side of the conveying belt 21 and attached to the inner side face of the conveying belt 21, the length of the vacuum adsorption device is smaller than the distance between the rollers 12 at the two ends and is larger than the distance between the grabbing mechanism 2 and the press-sealing mechanism 4, when the grabbing mechanism 2 places an envelope on the conveying belt 13, the vacuum adsorption device can fix the envelope, and the coating mechanism 3 and the press-sealing mechanism 4 can conveniently glue and fold the edge of the envelope. The vacuum adsorption device can be directly welded or connected with the supporting frame 11 through bolts and rivets, or movably connected with the roller 22 through a rotating shaft.

To facilitate the placement of the envelopes, the envelope sealer also includes an envelope discharge placement device 6 comprising:

a box body 51, one end of which is rotatably connected with the roller 12 and the other end of which can freely rotate;

one end of the telescopic rod 52 is rotatably connected with the supporting frame 11, and the other end is connected with the free end of the box body 51.

Wherein, the box body 51 can set up to have and hold the chamber and the top has the open-ended box body, and the width of box body 51 can set up to be greater than the width of transmission band 13, and box body 51 sets up in the front of press seal mechanism 5, also is exactly along the direction of motion of transmission band 13, and box body 51 one end can rotate through the pivot and connect the both ends at cylinder 12, and box body 51 can revolve the pivot and rotate from top to bottom.

Wherein, the telescopic link 52 can be set up to two sets of, sets up respectively in box 51 both sides, and one end is connected on box 51 through pivot activity, and the other end is connected on supporting rack 11 through pivot activity, and telescopic link 52 can set up nested extending structure, also can set up the extending structure of slotted.

Specifically, the telescopic rod 52 includes:

a large rod 522 which is a hollow rod, and one end of the large rod is rotatably connected with the supporting frame 11;

the outer diameter of the small rod 521 is smaller than the inner diameter of the large rod 522, one end of the small rod is inserted into the large rod 522 and slides axially relative to the large rod 522, and the other end of the small rod is rotatably connected with the box body 51;

the large rod 522 is provided with two threaded holes which are radially communicated, the two threaded holes are respectively provided with a first fixed pin 524 and a second fixed pin 523, the small rod 521 is provided with a small hole matched with the second fixed pin 523, the second fixed pin 523 is inserted into the small hole of the small rod 521, the supporting frame 11 is provided with a small hole matched with the first fixed pin 524, and the first fixed pin 524 is inserted into the small hole of the supporting frame 11.

When the discharging and placing device 5 needs to be used, the large rod 522 is rotated to be away from the supporting frame 11, the first fixed pin 524 is inserted into the small hole on the supporting frame 11 matched with the first fixed pin for fixing, then the small rod 621 slides axially, the angle between the box body 61 and the conveying belt 13 is adjusted, the box body 51 is inclined, the second fixed pin 523 is inserted into the small hole of the small rod 521 matched with the second fixed pin for fixing, and when envelopes on the conveying belt 13 are conveyed to the tail end arc surface, the envelopes can smoothly slide into the box body 61.

When the outfeed placement device 5 is not needed, the small bar 621 can be retracted inward and the large bar 622 can be rotated downward to close the support frame 11.

Further, the envelope edge banding machine may further include:

an envelope feeding and placing box 6 is arranged right below the sucking disc 22, and the envelope feeding and placing box 6 is used for placing envelopes needing edge sealing.

The envelope feeding and placing box 6 can be a box body with a containing cavity and an opening at the top, and is used for placing envelopes needing edge sealing.

Furthermore, a chute 111 is arranged on the support frame 11, the chute 111 is arranged right below the suction cup 22, the envelope feeding and placing box 6 is arranged in the chute 111, and the envelope feeding and placing box 6 can axially slide relative to the chute 111, so that an operator can add envelopes into the envelope feeding and placing box 6 conveniently.

Preferably, the bottom end of the supporting frame 11 can be further provided with traveling wheels 112, and the number of the traveling wheels 112 can be 4, and the traveling wheels 112 are respectively arranged at four corners of the bottom end of the supporting frame 11, so that the envelope packaging machine can move integrally.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. It should be noted that there are no specific structures but a few objective structures due to the limited character expressions, and that those skilled in the art may make various improvements, decorations or changes without departing from the principle of the invention or may combine the above technical features in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. An envelope edge banding machine, comprising:

the conveying mechanism (1) is provided with a supporting frame (11), a conveying belt (13) is connected to the upper end of the supporting frame (11), an envelope fixing device (14) is arranged on the conveying belt (13), rollers (12) are connected to two ends of the conveying belt (13), and the rollers (12) drive the conveying belt (13) to move;

the grabbing mechanism (2) is arranged on the supporting frame (11), and the grabbing mechanism (2) has spatial freedom and is used for grabbing the envelopes and placing the envelopes on the conveying belt (13);

the gluing mechanism (3) is arranged on the supporting frame (11), is adjacent to the grabbing mechanism (2), is arranged in front of the grabbing mechanism (2), and is used for gluing the edge of the envelope conveyed by the conveying belt (13);

and the press sealing mechanism (4) is arranged on the supporting frame (11), is adjacent to the gluing mechanism (3), is arranged in front of the gluing mechanism (3), and is used for rolling and pressing the edge of the glued envelope.

2. The envelope edge banding machine according to claim 1, characterized in that said gripping mechanism (2) comprises:

the sucking disc (22) realizes negative pressure suction and can automatically suck the envelope;

first robotic arm (21), one end is connected on supporting rack (11), and the other end is connected sucking disc (22), first robotic arm (21) have the space degree of freedom for drive sucking disc (22) and remove and place on transmission band (13) with the envelope absorption.

3. The envelope edge banding machine according to claim 1, characterized in that said glue application mechanism (3) comprises:

the glue storage device (31) is connected to the supporting frame (11);

and the gluing part (32) is arranged at the bottom end of the glue storage device (31), one end of the gluing part is connected with the glue storage device (31), the other end of the gluing part is provided with a gluing brush, and the gluing brush is arranged right above the transmission belt (13).

4. The envelope edge banding machine of claim 1, characterized in that said press sealing mechanism (4) is configured as a shaped curved plate connected as a whole to the edge of the upper panel of the supporting frame (11) and having a straight edge which is in surface contact with said conveyor belt (13), the shaped curved plate comprising:

the other edge opposite to the straight edge gradually warps upwards to form a gentle slope, and when the conveying belt (13) drives the envelope to move to the position, the edge warping part (41) pushes up the edge of the envelope;

the edge curling part (42) is positioned on one side of the edge warping part (41) and is in smooth transition with the edge warping part (41), the other side opposite to the straight line side is inwards curled into an arc surface, and when the envelope is driven to move to the position by the conveying belt (13), the edge curling part (42) inwards folds the edge of the envelope;

and the edge pressing part (43) is positioned on one side of the edge rolling part (42) and smoothly transits with the edge rolling part (42), the other side opposite to the straight line edge is folded inwards to form a horizontal plane, and the edge pressing part is positioned on the surface of the conveying belt (13) and is more than the thickness of one envelope by the distance between the conveying belts (13) and used for completely pressing the envelope.

5. The envelope edge banding machine according to claim 1, characterized in that the envelope fixing device (14) is arranged as a blocking groove which is arranged on the outer surface of the conveying belt (13), has the same size as the envelope, and the front end is an opening part, the envelope is inserted into the blocking groove from the opening part through a grabbing mechanism (2), the edge needing to be glued is left outside the blocking groove, and the other three edges are fixed through the blocking groove;

and a second mechanical arm (15) is arranged on the supporting frame (11), the second mechanical arm (15) has spatial freedom degree, is adjacent to the press sealing mechanism (4) and is arranged in front of the press sealing mechanism (4), and is used for taking out the sealed envelope from the clamping groove.

6. The envelope edge banding machine according to claim 1, characterized in that the envelope fixing device (14) is provided as a vacuum suction device which is arranged inside the conveyor belt (13) and can realize negative pressure suction for sucking and fixing the envelope.

7. The envelope edger of claim 6, further comprising an envelope outfeed placement device (5) comprising:

a box body (51), one end of which is rotatably connected with the roller (12), and the other end of which can freely rotate;

one end of the telescopic rod (52) is rotatably connected with the supporting frame (11), and the other end of the telescopic rod is connected with the free end of the box body (51).

8. The envelope edge banding machine of claim 7 wherein said telescoping rod (52) comprises:

the large rod (522) is a hollow rod, and one end of the large rod is rotatably connected with the supporting frame (11);

the outer diameter of the small rod (521) is smaller than the inner diameter of the large rod (522), one end of the small rod is inserted into the large rod (522) and slides axially relative to the large rod (522), and the other end of the small rod is rotatably connected with the box body (51);

the large rod (522) is provided with two radial threaded holes which are communicated, a first fixed pin shaft (524) and a second fixed pin shaft (523) are respectively arranged in the two threaded holes, a small hole matched with the second fixed pin shaft (523) is formed in the small rod (521), the second fixed pin shaft (523) is inserted into the small hole of the small rod (521), a small hole matched with the first fixed pin shaft (524) is formed in the supporting frame (11), and the first fixed pin shaft (524) is inserted into the small hole of the supporting frame (11).

9. The envelope sealer of claim 2, further comprising:

and the envelope feeding and placing box (6) is positioned right below the sucking disc (22) and is used for placing the envelope needing edge sealing.

10. The envelope edge banding machine according to claim 9, characterized in that a chute (111) is provided on said support frame (11), said chute (111) being provided directly below the suction cup (22), said envelope feed placing box (6) being provided in said chute (111).