Flanging device and flanging apparatus

Abstract

The application discloses a folding device for folding the part of the workpiece protruding from the fourth surface after the first surface, the second surface and the third surface of the workpiece are wrapped with adhesive tape; wherein the first end part of the adhesive tape extending from the first surface to the fourth surface is folded by the first folding mechanism and finally adhered to the fourth surface; the second end part of the adhesive tape extending from the second surface to the fourth surface is folded by the second folding mechanism and finally adhered to the fourth surface; the middle part of the adhesive tape extending from the third surface to the fourth surface is folded by the third folding mechanism and finally adhered to the fourth surface; the first folding mechanism, the second folding mechanism and the third folding mechanism can fold the adhesive tape protruding from the three surfaces of the workpiece respectively, so that the adhesive surface of the adhesive tape is folded towards the fourth surface, and the adhesive tape is directly adhered to the fourth surface, and the stable folding is completed after folding, which is simple and fast.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of workpiece encapsulation, in particular to a folding device and a folding equipment. BACKGROUND

[0002] When encapsulating a workpiece from three sides, the adhesive tape is usually wider than the encapsulation surface of the workpiece, so that after encapsulation, part of the adhesive tape protrudes outward and is not adhered to the workpiece. At this time, a folding device needs to be provided to fold and adhere the excess adhesive tape to the workpiece.

[0003] In the conventional encapsulation device, after encapsulating the workpiece, the excess adhesive tape is adhered together face to face, and then the adhesive tape adhered together is folded towards the workpiece. This folding needs to hold the excess adhesive tape long enough so that the protruding adhesive tape parts on the opposite surfaces can be adhered together. In addition, after the adhesive tape is adhered together, the two exposed surfaces are non-adhesive surfaces, and after folding, other operations are needed to fix the adhesive tape to the workpiece, which is complicated. SUMMARY

[0004] The present application provides a folding device and a folding equipment to solve the technical defects of complicated folding operation and low applicability in the prior art.

[0005] To solve the above technical problems, one technical solution adopted by the present application is to provide a folding device, which comprises: a first folding mechanism for folding a first end portion of the adhesive tape protruding from the workpiece; a second folding mechanism for folding a second end portion of the adhesive tape protruding from the workpiece; and a third folding mechanism for folding a middle portion of the adhesive tape protruding from the workpiece; wherein the adhesive tape is wrapped on the first surface and the second surface oppositely arranged on the workpiece, and the third surface connecting the first surface and the second surface, the first end portion of the adhesive tape is attached to the first surface, the second end portion is attached to the second surface, and the middle portion is attached to the third surface; and the side edge of the adhesive tape protrudes from the fourth surface adjacent to the first surface, the second surface and the third surface; the first folding mechanism is arranged opposite to the first surface; the second folding mechanism is arranged opposite to the second surface, and the third folding mechanism is arranged opposite to the third surface.

[0006] Further, the first folding mechanism comprises: a first folding member and a first folding driving assembly, the first folding driving assembly is connected to the first folding member and can drive the first folding member to move from the first surface of the workpiece towards the fourth surface.

[0007] Further, the first folding mechanism further comprises a first elastic assembly; the first elastic assembly comprises: a first mounting plate connected with the first folding driving assembly; a first swing arm swingably arranged on the first mounting plate; a first fixing plate fixedly arranged on the first mounting plate; a first elastic member having one end abutting against the first fixing plate and the other end abutting against one end of the first swing arm; wherein the first folding piece is arranged on the other end of the first swing arm; when the first folding piece continuously abuts against the fourth surface, the fourth surface pushes the first folding piece, the first folding piece drives the other end of the first swing arm to swing away from the fourth surface, and further drives one end of the first swing arm to swing towards the first fixing plate, so as to compress the first elastic member.

[0008] Further, the second folding mechanism comprises: a second folding piece and a second folding driving assembly connected with the second folding piece and capable of driving the second folding piece to move from the second surface of the workpiece towards the fourth surface.

[0009] Further, the third folding mechanism comprises: a third folding piece and a third folding driving assembly connected with the third folding piece and capable of driving the third folding piece to move from the third surface of the workpiece towards the fourth surface.

[0010] Further, the third folding mechanism further comprises a third elastic assembly; the third elastic assembly comprises: a third mounting plate connected with the third folding driving assembly; a third elastic guide arranged on the third mounting plate, and the third folding piece is slidingly arranged on the third elastic guide; a third elastic member having one end abutting against the third mounting plate and the other end abutting against the third folding piece; wherein when the third folding piece continuously abuts against the fourth surface, the fourth surface applies a reverse force to the third folding piece, so that the third folding piece moves along the third elastic guide away from the fourth surface, thereby compressing the third elastic member.

[0011] Further, the end of the third folding piece contacting the adhesive tape is arranged in a circular arc shape.

[0012] Further, the folding device further comprises a glue pressing mechanism arranged opposite the fourth surface; after the first folding mechanism folds the first end portion on the fourth surface, the second folding mechanism folds the second end portion on the fourth surface, and the third folding mechanism folds the middle portion on the fourth surface, the glue pressing mechanism moves towards the fourth surface to compact the adhesive tape folded on the fourth surface.

[0013] Further, the folding device further comprises a translation driving mechanism; the translation driving mechanism is connected with the first folding mechanism, the second folding mechanism and the third folding mechanism, and is capable of driving them to move close to or away from the folding station.

[0014] The edge folding device comprises two sets of the edge folding device, and the two side edges of the workpiece are respectively protruded from the fourth face and the fifth face when the adhesive tape is wrapped around the workpiece; the fourth face and the fifth face are respectively adjacent to the first face, the second face and the third face, and the fourth face and the fifth face are oppositely arranged; one set of the edge folding device is arranged opposite to the fourth face, and is used for folding the protruded adhesive tape to the fourth face; the other set of the edge folding device is arranged opposite to the fifth face, and is used for folding the protruded adhesive tape to the fifth face.

[0015] The edge folding device is used for folding the part protruded from the fourth face after the adhesive tape is wrapped around the first face, the second face and the third face of the workpiece; wherein the first end part of the adhesive tape exceeding the first face and extending to the fourth face is folded by the first edge folding mechanism, and finally adhered to the fourth face; the second end part of the adhesive tape exceeding the second face and extending to the fourth face is folded by the second edge folding mechanism, and finally adhered to the fourth face; the middle part of the adhesive tape exceeding the third face and extending to the fourth face is folded by the third edge folding mechanism, and finally adhered to the fourth face; through the first edge folding mechanism, the second edge folding mechanism and the third edge folding mechanism, the adhesive tape protruded from the three faces of the workpiece can be folded respectively, so that the adhesive surface of the adhesive tape is folded to face the fourth face, so that the adhesive tape is directly adhered to the fourth face, and the stable edge folding is completed after folding, which is simple and fast.

[0016] The edge folding device comprises two sets of the edge folding device, and the two side edges of the workpiece are respectively protruded from the fourth face and the fifth face when the adhesive tape is wrapped around the workpiece; the fourth face and the fifth face are respectively adjacent to the first face, the second face and the third face, and the fourth face and the fifth face are oppositely arranged; one set of the edge folding device is arranged opposite to the fourth face, and is used for folding the protruded adhesive tape to the fourth face; the other set of the edge folding device is arranged opposite to the fifth face, and is used for folding the protruded adhesive tape to the fifth face. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0018] Figure 1 is a schematic diagram of a workpiece wrapping method;

[0019] Figure 2 is a right view of Figure 1 ;

[0020] Figure 3 is a schematic diagram of a workpiece after edge folding in Figure 1 ;

[0021] Figure 4 is a front view structural schematic diagram of the edge folding device provided by the present application;

[0022] Figure 5 is a top view structural schematic diagram of the third edge folding mechanism in Figure 4 ;

[0023] Figure 6 is Figure 4 The third folding mechanism is omitted in the folding device, and a right view of the folding device is shown schematically.

[0024] Figure 7 is a structural schematic view of the folding device provided by the present application. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-3 discloses a way of encapsulating a workpiece 10. Specifically, a tape is wrapped on a first face 11 and a second face 12 oppositely arranged on the workpiece 10, and a third face 13 connecting the first face 11 and the second face 12. Specifically, a first end portion 21 of the tape is attached to the first face 11, a second end portion 22 of the tape is attached to the second face 12, and an intermediate portion 23 of the tape is attached to the third face 13.

[0027] For the convenience of description, the extension direction of the tape along the first face 11, the third face 13, and the second face 12 in sequence is referred to as the length direction of the tape, and the extension direction of the tape along the first face 11 (or the second face 12, or the third face 13) is referred to as the width direction of the tape. At the same time, the width direction of the tape corresponds to the length direction of the first face 11, the second face 12, or the third face 13, and the width direction of the first face 11, the second face 12, or the third face 13 is perpendicular to the length direction thereof.

[0028] When encapsulating, the width of the tape is slightly longer than the length of the encapsulation face (i.e., the first face 11, the second face 12, or the third face 13) of the workpiece 10, at this time, the protruding part of the tape is protruding from the workpiece 10 and adjacent to the fourth face 14 of the first face 11, the second face 12, and the third face 13; or the protruding part of the tape is protruding from the workpiece 10 and adjacent to the fourth face 14 and the fifth face 15 of the first face 11, the second face 12, and the third face 13; that is, when encapsulating, the tape may protrude from only one side, or may protrude from both sides. At the same time, since the adhesive surface of the tape is attached to the first face 11, the second face 12, and the third face 13, the part of the tape protruding from the fourth face 14 has the adhesive surface facing the fourth face 14; when the protruding tape is folded towards the fourth face 14, it can be directly adhered to the fourth face 14.

[0029] In order to handle the part of the tape protruding from the workpiece 10, please refer to Figures 4-6The application discloses a folding device, which comprises a first folding mechanism 100 for folding a first end portion 21 of a tape protruding from a workpiece 10, a second folding mechanism 200 for folding a second end portion 22 of the tape protruding from the workpiece 10, and a third folding mechanism 300 for folding a middle portion 23 of the tape protruding from the workpiece 10.

[0030] When only one side of the tape protrudes from the workpiece 10, the folding device can be arranged relative to a fourth side 14 of the workpiece 10 to fold the first end portion 21 of the tape onto the fourth side 14 by the first folding mechanism 100, fold the second end portion 22 of the tape onto the fourth side 14 by the second folding mechanism 200, and fold the third end portion 23 of the tape onto the fourth side 14 by the third folding mechanism 300.

[0031] When both sides of the tape protrude from the workpiece 10, in an embodiment, the tape protruding from one side can be folded onto the workpiece 10 by the folding device first, and then the workpiece is turned over so that the other side to be folded faces the folding device, so that the tape protruding from the other side is folded onto the workpiece 10 by the folding device. In another embodiment, the tape protruding from one side can be folded onto the workpiece 10 first, and then the folding device is moved so that the folding device faces the other side to be folded, and then the tape protruding from the other side is folded onto the workpiece 10. There are other embodiments, which are described in detail below.

[0032] In a specific embodiment, with reference to Figure 4 The first side 11 and the second side 12 are arranged opposite to each other in the vertical direction, the first side 11 is on the top, the second side 12 is on the bottom, and the third side 13 is on the right. The fourth side 14 is vertically connected with the first side 11, the second side 12 and the third side 13, and is a side facing inward of the vertical paper. The fifth side 15 is straightly connected with the first side 11, the second side 12 and the third side 13, and is a side facing outward of the vertical paper. The folding device is arranged behind the workpiece 10, the first folding mechanism 100 and the second folding mechanism 200 are arranged opposite to each other in the vertical direction, and the third folding mechanism 300 is arranged between the first folding mechanism 100 and the second folding mechanism 200.

[0033] Specifically, when folding the first end portion 21, the first folding mechanism 100 folds the tape toward the fourth side 14 from top to bottom; when folding the second end portion 22, the second folding mechanism 200 folds the tape toward the fourth side 14 from bottom to top; and when folding the middle portion 23, the third folding mechanism 300 folds the tape toward the fourth side 14 from right to left.

[0034] The first edge folding mechanism 100 comprises a first edge folding member 110 and a first edge folding driving assembly 120. The first edge folding driving assembly 120 is connected to the first edge folding member 110 and capable of driving the first edge folding member 110 to move from the first face 11 to the fourth face 14 of the workpiece 10.

[0035] When the adhesive tape is folded, the first edge folding member 110 presses the adhesive tape against the fourth face 14, and finally presses the adhesive tape against the fourth face 14. It is easy to understand that when the adhesive tape protruding from the fourth face 14 is long, the first edge folding member 110 cannot press the entire first end portion 21 against the fourth face 14 at one time. Therefore, the first edge folding member 110 can be a pressing roller. After the roller surface of the pressing roller is pressed against the fourth face 14, the first edge folding driving assembly 120 can drive the pressing roller to flatten the adhesive tape along the fourth face 14 in the direction of the second face 12, so that the adhesive tape is completely adhered to the fourth face 14. By setting the first edge folding member 110 as a pressing roller, when the first edge folding member 110 moves along the fourth face 14, the roller barrel of the pressing roller can rotate around its own central axis, thereby facilitating the movement of the first edge folding member 110.

[0036] The first edge folding driving assembly 120 comprises a first edge folding guide 121 and a first edge folding driving member 122. The first edge folding guide 121 extends from the first face 11 to the second face 12. The first edge folding member 110 is slidingly arranged on the first edge folding guide 121. The first edge folding driving member 122 is connected to the first edge folding member 110 and capable of driving the first edge folding member 110 to move along the fourth face 14.

[0037] The first edge folding guide 121 can be a guide member such as a guide rod or a guide rail. The first edge folding driving member 122 can be a driving member such as a pneumatic cylinder or an electric cylinder.

[0038] In a specific embodiment, referring to Figure 4 and Figure 5 , the first edge folding guide 121 is arranged in the vertical direction. At this time, after the workpiece 10 to be edge folded is positioned, the fourth face 14 of the adhesive tape protruding from the workpiece 10 faces the edge folding device, and the first edge folding member 110 is suspended above the first face 11. When the first end portion 21 is folded, the first edge folding driving member 122 drives the first edge folding member 110 to move downward, so that the first edge folding member 110 is close to the first face 11. After the adhesive tape of the first end portion 21 is pressed, the first edge folding member 110 continues to move downward and drives the adhesive tape to be folded toward the fourth face 14. The first edge folding member 110 abuts against the fourth face 14, and then flattens the adhesive tape on the fourth face 14.

[0039] It is easy to understand that when the first edge folding member 110 moves from the first face 11 to the fourth face 14, it is difficult to ensure that the first edge folding member 110 abuts tightly against the fourth face 14. Therefore, the first edge folding mechanism 100 further comprises a first elastic assembly 130.

[0040] The first elastic assembly 130 comprises: a first mounting plate 131 connected to the first hem driving assembly 120; a first swing arm 132 swingably arranged on the first mounting plate 131; a first fixed plate 133 fixedly arranged on the first mounting plate 131; and a first elastic member 134, one end of which is abutted against the first fixed plate 133 and the other end of which is abutted against one end of the first swing arm 132; wherein the first hem member 110 is arranged at the other end of the first swing arm 132; when the first hem member 110 continuously presses against the fourth surface 14, the fourth surface 14 exerts a reverse force on the first hem member 110, the first hem member 110 drives the other end of the first swing arm 132 to swing towards the direction away from the fourth surface 14, and further drives one end of the first swing arm 132 to swing towards the first fixed plate 133, so as to compress the first elastic member 134.

[0041] By using the characteristic that the two ends of the first swing arm 132 swing relative to each other, when the first hem member 110 continuously presses against the fourth surface 14, the configuration and the position of the fourth surface 14 will push the first hem member 110 to match; at this time, the first swing arm 132 drives the first elastic member 134 to compress and deform, so as to adapt to the position change of the first hem member 110. At the same time, by using the elastic recovery of the first elastic member 134, the reverse force exerted on the first swing arm 132 can make the first hem member 110 always press against the fourth surface 14.

[0042] The first elastic member 134 can be a spring.

[0043] In a specific embodiment, referring to Figure 5, the first folding member 110 adopts a pressing roller, in order to better drive the pressing roller to act, two groups of first swing arms 132 are arranged, the two sides of the roller shaft of the pressing roller are respectively connected with a group of first swing arms 132; the two groups of first swing arms 132 are rotatably connected on the two sides of the first mounting plate 131 through the rotating shafts. In order to ensure that the two ends of the pressing roller are balanced, a group of first fixed plates 133 are arranged at the positions opposite to one end of the two groups of first swing arms 132 on the two sides of the first mounting plate 131; at the same time, the first elastic members 134 are arranged between the corresponding first fixed plates 133 and the first swing arms 132. In this way, after the workpiece 10 to be folded is in place, the first folding drive member 122 drives the first folding member 110 to move downward, so that the first folding member 110 is close to the first face 11; after the first folding member 110 is pressed to the protruding first end portion 21, the adhesive tape is continuously pressed downward, so that the adhesive tape is folded to the fourth face 14. In order to ensure that the first folding member 110 abuts against the fourth face 14, the initial position of the first folding member 110 has a projection on the first face 11; that is to say, when the first folding drive member 122 drives the first folding member 110 to move downward, part of the first folding member 110 will abut against the first face 11, but as the first folding drive member 122 continuously drives the first folding member 110 to move downward, the first folding member 110 gradually abuts against the fourth face 14; at this time, the first folding member 110 moves to the right from the edge adjacent to the first face 11 and the fourth face 14, one end of the first folding member 110 swings to the right, the other end of the first folding member 110 moves to the left, and the first elastic member 134 is compressed; after the first folding member 110 is separated from the first face 11 and abuts against the fourth face 14, the first folding member 110 adjusts the position according to the fourth face 14, the first elastic member 134 elastically returns, and the reaction force of the first elastic member 134 enables the first folding member 110 to always abut against the adhesive tape on the fourth face 14.

[0044] The structure of the second folding mechanism 200 is similar to that of the first folding mechanism 100, which includes a second folding member 210 and a second folding drive assembly 220, the second folding drive assembly 220 is connected with the second folding member 210 and can drive the second folding member 210 to move from the second face 12 of the workpiece 10 to the fourth face 14. Details are not repeated.

[0045] The difference between the second folding mechanism 200 and the first folding mechanism 100 is that when the corresponding adhesive tape is folded, the first folding drive assembly 120 drives the first folding member 110 to move in the direction of the second face 12 from the first face 11, and the second folding drive assembly 220 drives the second folding member 210 to move in the direction of the first face 11 from the second face 12.

[0046] Further, the second folding mechanism 200 further comprises a second elastic assembly 230, which is similar to the cooperation between the first elastic assembly 130 and the first folding member 110 and the first folding driving assembly 120, and details are not described herein.

[0047] The third folding mechanism 300 comprises a third folding member 310 and a third folding driving assembly 320 connected to the third folding member 310 and capable of driving the third folding member 310 to move from the third face 13 of the workpiece 10 towards the fourth face 14.

[0048] The third folding member 310 can be a compression roller, and the axial direction of the compression roller extends along the direction in which the first face 11 points to the second face 12. Thus, when the third folding driving assembly 320 drives the compression roller to move, the compression roller can gradually fold and paste the adhesive tape extending from the third face 13 to the fourth face 14.

[0049] In a specific embodiment, referring to Figure 4 Since the distance between the first face 11 and the second face 12 is not large, the fourth face 14 is relatively narrow. If the third folding member 310 is a compression roller, the configuration of the compression roller needs to be reset according to the requirement, which increases the design cost. Thus, the third folding member 310 directly adopts a plate member, and the width of the plate member is not narrower than the fourth face 14. At this time, after the workpiece 10 is in place, the third folding member 310 is located outside the third face 13, that is, outside the vertical paper surface. The third folding driving assembly 320 drives the third folding member 310 to move from outside to inside towards the third face 13. After the third folding member 310 presses the adhesive tape of the middle portion 23, the adhesive tape is continuously driven to move inward, so that the adhesive tape is folded towards the fourth face 14. The third folding member 310 abuts against the adhesive tape on the fourth face 14. With the continuous inward movement of the third folding member 310, the adhesive tape is gradually flattened, and is completely pasted on the fourth face 14.

[0050] The third folding driving assembly 320 comprises a third folding guide 321 and a third folding driving member 322. The third folding guide 321 extends along the width direction of the first face 11 or the second face 12. The third folding member 310 is slidingly arranged on the third folding guide 321. The third folding driving member 322 is connected to the third folding member 310 and capable of driving the third folding member 310 to move along the fourth face 14.

[0051] The third folding guide 321 can be a guide rod, a guide rail or other guide members. The third folding driving member 322 can be a pneumatic cylinder, an electric cylinder or other driving members.

[0052] It is easy to understand that when the third folding member 310 moves from the third surface 13 toward the fourth surface 14, it is difficult to ensure that the third folding member 310 abuts against the fourth surface 14. Therefore, the third folding mechanism 300 further comprises a third elastic assembly 330. The third elastic assembly 330 comprises: a third mounting plate 331 connected to the third folding driving assembly 320; a third elastic guide 332 arranged on the third mounting plate 331, and the third folding member 310 is slidingly arranged on the third elastic guide 332; and a third elastic member 333, one end of which abuts against the third mounting plate 331 and the other end of which abuts against the third folding member 310. When the third folding member 310 continuously abuts against the fourth surface 14, the fourth surface 14 has a reverse force on the third folding member 310, so that the third folding member 310 moves along the third elastic guide 332 away from the fourth surface 14, thereby compressing the third elastic member 333.

[0053] In an embodiment, referring to Figure 6 , the third elastic guide 332 is arranged in the up-down direction, and the third folding member 310 is slidingly arranged on the third elastic guide 332. When the workpiece 10 is in place, the third folding member 310 has a projection on the third surface 13. That is, when the third folding driving assembly 320 drives the third folding member 310 to move from right to left, part of the third folding member 310 will abut against the third surface 13. As the third folding driving assembly 320 continues to drive the third folding member 310 to move leftward, the edge of the third surface 13 and the fourth surface 14 abutting against each other pushes the third folding member 310 upward, so that the third folding member 310 moves upward along the third elastic guide 332 and compresses the third elastic member 333. After the third folding member 310 completely separates from the third surface 13, the elastic restoring force of the third elastic member 333 acts on the third folding member 310 in the opposite direction, so that the third folding member 310 always abuts against the fourth surface 14, so as to smooth the adhesive tape on the fourth surface 14.

[0054] The third elastic guide 332 can be a guide rod, a guide rail or the like. The third elastic member 333 can be a spring.

[0055] Further, the end of the third folding member 310 contacting the adhesive tape is arranged in a circular arc shape.

[0056] It is easy to understand that, when the third folding member 310 adopts a plate, if the end of the plate contacting the adhesive tape is square, on the one hand, the sharp end is easy to wear the adhesive tape or the fourth surface 14 of the workpiece 10; on the other hand, when the third folding member 310 has a projection on the third surface 13, the side of the end of the plate close to the adhesive tape is difficult to conveniently enter the fourth surface 14 from the third surface 13 after contacting the third surface 13. At this time, the end of the third folding member 310 contacting the adhesive tape is set to be arc-shaped, so that the outside of the end of the third folding member 310 contacting the adhesive tape is inwardly retracted, facilitating the entry of the adhesive tape from the third surface 13 to the fourth surface 14 along the plate; at the same time, the arc-shaped end is not easy to damage the adhesive tape or the surface of the workpiece 10 in contact therewith.

[0057] It should be further supplemented that, for the adhesive tape protruding from the first end 21, the second end 22 and the middle part 23 of the fourth surface 14, when being folded, the first end 21 of the adhesive tape can be folded by the first folding mechanism 100 first, then the second end 22 of the adhesive tape is folded by the second folding mechanism 200, and finally the third end 23 of the adhesive tape is folded by the third folding mechanism 300 to the fourth surface 14. The first end 21 of the adhesive tape can also be folded by the second folding mechanism 200 first, then the second end 22 of the adhesive tape is folded by the first folding mechanism 100, and finally the third end 23 of the adhesive tape is folded by the third folding mechanism 300 to the fourth surface 14. The action sequence of the first folding mechanism 100, the second folding mechanism 200 and the third folding mechanism 300 is not limited in the present application.

[0058] It should be further supplemented that, if the part of the adhesive tape protruding from the fourth surface 14 is relatively narrow, after the first end 21 and the second end 22 are folded to the fourth surface 14, the two parts can be directly attached to the fourth surface 14 without contacting each other, but the position of the middle part 23 adjacent to the first end 21 and the second end 22 will contact the adhesive tape of the first end 21 and the second end 22. If the part of the adhesive tape protruding from the fourth surface 14 is relatively wide, after the first end 21 and the second end 22 are folded to the fourth surface 14, the two parts can overlap each other, the folded part is adhered to the fourth surface 14, and the later folded part is adhered to the non-adhesive surface of the earlier folded adhesive tape; no matter how, since the adhesive surface of the adhesive tape is folded towards the fourth surface 14, the adhesive of the adhesive tape can be finally realized.

[0059] Further, the folding device provided by the present application further comprises a glue pressing mechanism 400, which is arranged relative to the fourth surface 14; after the first folding mechanism 100 folds the first end 21 to the fourth surface 14, the second folding mechanism 200 folds the second end 22 to the fourth surface 14, and the third folding mechanism 300 folds the middle part 23 to the fourth surface 14, the glue pressing mechanism 400 moves towards the fourth surface 14 to compact the adhesive tape folded on the fourth surface 14.

[0060] It is easy to understand that after the adhesive tape is folded onto the fourth surface 14, it cannot be guaranteed that the adhesive surface of the adhesive tape is completely adhered to the fourth surface 14. Therefore, the glue pressing mechanism 400 is arranged, and after the adhesive tape protruding from the fourth surface 14 is completed, the glue pressing mechanism 400 directly moves towards the fourth surface 14 to compact the folded adhesive tape.

[0061] Specifically, the glue pressing mechanism 400 includes a glue pressing piece 410 and a glue pressing driving assembly 420, and the glue pressing driving assembly 420 is connected to the glue pressing piece 410 and can drive the glue pressing piece 410 to move towards the fourth surface 14.

[0062] Wherein, the glue pressing piece 410 can adopt a pressing plate, and the plate surface of the pressing plate is larger than the fourth surface 14; the glue pressing driving assembly 420 can adopt a driving member such as a pneumatic cylinder or an electric cylinder; in this way, the glue pressing driving assembly 420 can directly drive the glue pressing piece 410 to abut against the fourth surface 14 and compact the entire fourth surface 14.

[0063] When the glue pressing piece 410 abuts against the fourth surface 14, in order to ensure that the adhesive tape is compacted, the driving stroke of the glue pressing driving assembly 420 will be greater than the distance between the glue pressing piece 410 and the fourth surface 14 in the initial state, so as to tightly press the fourth surface 14 by the glue pressing piece 410; that is, after the glue pressing piece 410 contacts the fourth surface 14, the glue pressing driving assembly 420 will continue to drive the glue pressing piece 410 to abut against the fourth surface 14 and move. However, in this case, with the continuous extrusion of the glue pressing piece 410 on the fourth surface 14, the workpiece 10 is easily pushed away, so that the workpiece 10 is pushed away. Therefore, when the glue pressing piece 410 adopts a pressing plate, a flexible block is further arranged on the surface of the pressing plate abutting against the fourth surface 14; the flexible block can be made of flexible materials such as silicone and polyurethane. The flexible block has a certain deformation amount, so that when the glue pressing piece 410 abuts against the fourth surface 14, the flexible block can be compressed to compensate for the excessive driving stroke of the glue pressing driving assembly 420; at the same time, the elastic restoring force of the flexible piece acts on the fourth surface 14 in the opposite direction, so that the glue pressing piece 410 can abut tightly against the fourth surface 14.

[0064] In actual operation, in an embodiment, the workpiece 10 can be directly transported to a position where the edge folding device can operate by a carrying device (not shown), and the first edge folding mechanism 100, the second edge folding mechanism 200 and the third edge folding mechanism 300 can directly process the workpiece 10.

[0065] In another embodiment, the folding device further comprises a translation driving mechanism 500, which is connected to the first folding mechanism 100, the second folding mechanism 200 and the third folding mechanism 300 and can drive them to approach or move away from the folding station. The folding station is a fixed station where the workpiece 10 to be folded enters the folding device. The handling equipment directly carries the workpiece 10 to the folding station. Then, the translation driving mechanism 500 drives the first folding mechanism 100, the second folding mechanism 200 and the third folding mechanism 300 to approach the station to realize folding. After folding, the translation driving mechanism 500 drives the first folding mechanism 100, the second folding mechanism 200 and the third folding mechanism 300 to move away from the station, so as to facilitate the handling mechanism to take away the folded workpiece 10 and carry in a new workpiece 10 to be folded.

[0066] The translation driving mechanism 500 can be an electric cylinder, a motor lead screw and a module driving member.

[0067] The application further discloses a folding device, which comprises two sets of the folding device described above. When the adhesive tape is wrapped around the workpiece 10, the two side edges of the adhesive tape protrude from the fourth surface 14 and the fifth surface 15, respectively. The fourth surface 14 and the fifth surface 15 are adjacent to the first surface 11, the second surface 12 and the third surface 13, and the fourth surface 14 and the fifth surface 15 are oppositely arranged. One set of the folding device is arranged opposite to the fourth surface 14 and is used for folding the protruding adhesive tape onto the fourth surface 14. The other set of the folding device is arranged opposite to the fifth surface 15 and is used for folding the protruding adhesive tape onto the fifth surface 15.

[0068] As mentioned above, the adhesive tape can protrude from both sides in the width direction of the workpiece 10. In this case, the protruding adhesive tape needs to be folded onto the corresponding fourth surface 14 or fifth surface 15, respectively.

[0069] In a specific embodiment, referring to Figure 7 The first surface 11 of the workpiece 10 is the upper surface of the workpiece 10 shown in the figure, the second surface 12 is the lower surface of the workpiece 10 shown in the figure, the third surface 13 is the inner surface of the workpiece 10 perpendicular to the paper surface and hidden in the figure, the fourth surface 14 is the right surface of the workpiece 10 shown in the figure, and the fifth surface 15 is the left surface of the workpiece 10 shown in the figure. In this case, the two sets of folding devices are oppositely arranged along the left-right direction. The workpiece 10 to be folded is carried into the space between the two sets of folding devices, and the fourth surface 14 and the fifth surface 15 thereof face one set of folding devices, respectively, so as to facilitate the two sets of folding devices to fold the protruding adhesive tape on the two surfaces, respectively, and thus to speed up the folding efficiency.

[0070] Furthermore, the term "comprising" and "including" and any form of these terms are intended to cover the non-exclusive inclusion of the listed elements. For example, a process, method, system, product, or apparatus that comprises or includes one list of steps or components without limitation is not necessarily limited to only those steps or components but can include additional steps or components not expressly listed or inherent to such process, method, system, product, or apparatus.

[0071] The above description is merely illustrative of the application and is not intended to limit the scope of the application. Any equivalent structure or equivalent processes variant using the content of the application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the application.

Claims

1. A folding device characterized in that, comprising: a first folding mechanism (100) for folding a first end portion (21) of a tape protruding from a workpiece (10); a second folding mechanism (200) for folding a second end portion (22) of the tape protruding from the workpiece (10); a third folding mechanism (300) for folding a middle portion (23) of the tape protruding from the workpiece (10); wherein the tape is wrapped on a first face (11) and a second face (12) of the workpiece (10) arranged oppositely, and a third face (13) connecting the first face (11) and the second face (12), the first end portion (21) of the tape is attached to the first face (11), the second end portion (22) of the tape is attached to the second face (12), and the middle portion (23) of the tape is attached to the third face (13); and a side edge of the tape protrudes from a fourth face (14) adjacent to the first face (11), the second face (12) and the third face (13); the first folding mechanism (100) is arranged relative to the first face (11); the second folding mechanism (200) is arranged relative to the second face (12), and the third folding mechanism (300) is arranged relative to the third face (13); the first folding mechanism (100) comprises: a first folding member (110) and a first folding driving assembly (120), the first folding driving assembly (120) being connected to the first folding member (110) and capable of driving the first folding member (110) to move from the first face (11) of the workpiece (10) towards the fourth face (14); the first folding mechanism (100) further comprises a first elastic assembly (130); the first elastic assembly (130) comprises: a first mounting plate (131) connected to the first folding driving assembly (120); a first swing arm (132) swingably arranged on the first mounting plate (131); a first fixed plate (133) fixedly arranged on the first mounting plate (131); a first elastic member (134) having one end abutting against the first fixed plate (133) and the other end abutting against one end of the first swing arm (132); wherein the first folding member (110) is arranged on the other end of the first swing arm (132); when the first folding member (110) continuously presses against the fourth face (14), the fourth face (14) exerts a reverse force on the first folding member (110), the first folding member (110) drives the other end of the first swing arm (132) to swing towards a direction away from the fourth face (14), further drives one end of the first swing arm (132) to swing towards the first fixed plate (133), thereby compressing the first elastic member (134); the first folding member (110) is a compression roller; the second folding mechanism (200) comprises: a second folding member (210) and a second folding driving assembly (220), the second folding driving assembly (220) being connected to the second folding member (210) and capable of driving the second folding member (210) to move from the second face (12) of the workpiece (10) towards the fourth face (14); The third folding mechanism (300) comprises: a third folding member (310) and a third folding driving assembly (320) connected to the third folding member (310) and capable of driving the third folding member (310) to move from the third face (13) to the fourth face (14) of the workpiece (10); The third folding member (310) is a plate.

2. The folding device according to claim 1, wherein The third folding mechanism (300) further comprises a third elastic assembly (330); the third elastic assembly (330) comprises: a third mounting plate (331) connected to the third folding driving assembly (320); a third elastic guide (332) provided on the third mounting plate (331), and the third folding member (310) is slidingly arranged on the third elastic guide (332); a third elastic member (333) having one end abutting against the third mounting plate (331) and the other end abutting against the third folding member (310); When the third folding member (310) continuously abuts against the fourth face (14), the fourth face (14) exerts a reverse force on the third folding member (310) to drive the third folding member (310) to move along the third elastic guide (332) away from the fourth face (14), thereby compressing the third elastic member (333).

3. The folding device according to claim 1 or 2, wherein The end of the third folding member (310) contacting the adhesive tape is provided in a circular arc shape.

4. The folding device according to claim 1, further comprising a pressing mechanism (400) arranged opposite the fourth face (14). After the first folding mechanism (100) folds the first end portion (21) on the fourth face (14), the second folding mechanism (200) folds the second end portion (22) on the fourth face (14), and the third folding mechanism (300) folds the middle portion (23) on the fourth face (14), the pressing mechanism (400) moves towards the fourth face (14) to compact the adhesive tape folded on the fourth face (14).

5. The folding device according to claim 1, further comprising a translation driving mechanism (500). The translation driving mechanism (500) is connected to the first folding mechanism (100), the second folding mechanism (200) and the third folding mechanism (300) and capable of driving them to move close to or away from the folding station.

6. A folding device, comprising two sets of folding devices according to any one of claims 1-5. When the adhesive tape covers the workpiece (10), the two side edges of the adhesive tape protrude from the fourth face (14) and the fifth face (15); the fourth face (14) and the fifth face (15) are adjacent to the first face (11), the second face (12) and the third face (13), and the fourth face (14) and the fifth face (15) are arranged opposite to each other; One set of the folding devices is arranged opposite the fourth face (14) and used to fold the protruding adhesive tape on the fourth face (14). ​ ​ ​ Another group of said folding means is arranged opposite the fifth face (15) for folding the protruding adhesive tape onto the fifth face (15).

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