TW202017497A - Machine and method for applying glue onto soles of footwear - Google Patents

Abstract

A machine (10) for applying glue onto a sole of footwear comprises a support (17) for a sole and a glue dispensing device (14) and a movement system (13) for moving the device (14) relative to the support (17) under the control of a control system (15) so as to follow, with the device (14), gluing paths along a sole placed on the support (17). The glue dispensing device (14) comprises a radial brush (30) which is motorized to rotate about its central axis (31) and is designed to pass lightly with its radial periphery along a sole to be glued placed on the support (17), and a dispensing unit (33) designed to dispense glue on the periphery of the radial brush (30). Advantageously, the brush (30) is kept with its axis substantially parallel tangentially to the edge of the sole during operation of the machine for gluing the edge of the sole.

Description

Machine and method for applying glue to shoe sole

The invention relates to a machine having a device for applying glue on a shoe sole and a method for applying glue using such a machine.

In the production of shoes, it is known that there is a problem of properly distributing the glue on the sole, so that it is evenly distributed on the entire surface to be glued, however, at the same time, the glue is prevented from overflowing the edges of the sole and staining the shoe Part of the sole visible above and behind.

This problem occurs especially in the case of soles or "box soles" with raised edges. In fact, in the case of these shoe soles, the glue needs to be applied on the bottom and the inside of the raised edge with high accuracy to avoid insufficient glue or defects caused by the glue spilling out of the sole and the outside of the shoe.

This problem is particularly important because the use of shoe types with such soles instead of flat bottoms (ie, sports shoes, work shoes, hiking boots, or military boots) has become increasingly common. The edges of these soles are usually uneven and may have significant and discontinuous changes in height.

In the industrial production of shoes, industrial machines or robots that usually have tools with rotating brushes or spray nozzles are used in most cases to perform the operation of distributing the glue on the bottom of the sole.

These machines or robots usually have a system for moving tools in space so that they can follow a suitable path on the surface of the sole fixed in a suitable base in the machine. The moving system may be, for example, a moving system having Cartesian coordinate axes or a polar system having sufficient degrees of freedom so that it can be applied along the inner surface of the sole with reasonable accuracy and glue is applied thereto.

Generally, the application tool installed on the application system is a glue spray nozzle or an axially rotating brush, and the glue is distributed from the inside and supplied to its front end in contact with the shoe sole.

In any case, the bonding of the raised edges of the sole must be performed manually, as is the case where high productivity is required, because there are no tools that can dispense glue on the raised edges without defects. As mentioned above, the significant irregular changes in edge heights further complicate the problem.

In the case of a machine with a glue spray system, the spray nozzle makes it difficult to adjust the amount of the aforementioned glue dispensed, and there is also a risk of spraying the glue beyond the edge of the sole.

In addition, for the gluing of the sole, a brush with bristles is preferred, because the action of mechanically applying the glue improves the final strength of the gluing because it facilitates the penetration of the glue and the contact gluing. However, the results are not always satisfactory, especially in the case of soles with specific edges (eg rounded edges) or soles with raised edges.

In fact, the rotating brush inherently has inaccurate and well-defined edges, and the glue application area is less precise and may cause the glue to overflow the edge of the sole.

Therefore, to date, attempts to automatically dispense glue onto the raised edges of the sole have not provided satisfactory results, and the operation of distributing glue along the edge of the sole is mainly performed manually, such as using a small brush (similar For toothbrushes), it significantly increases the amount of time and therefore requires labor, especially in the case of high output (eg 1000/1200 pairs or more per day). This manual operation also requires a skilled operator with sufficient experience in dispensing glue in a precise and uniform manner.

The general purpose of the present invention is to overcome the disadvantages of the prior art by providing a machine with a device for applying glue to the sole, which can be ensured on soles with specific edges (especially soles with raised edges) Satisfactory accuracy when applying glue.

In view of this object, according to the present invention, the idea that has emerged is to provide a machine for applying glue to a sole, including a support for the sole, a glue dispensing device and for relative support under the control of the machine's control system A moving system of the piece moving device so as to follow the device along the glue path of the sole placed on the support, characterized in that the glue dispensing device includes a radial brush and a dispensing unit that is mechanized to rotate about its central axis And its radial periphery is passed gently along the sole to be glued placed on the support, and the distribution unit is designed to dispense glue around the periphery of the radial brush, the support of the sole is designed to fix the sole, wherein the inner side of the sole Point to the distribution device.

Still in view of the above object, according to the present invention, the idea that has emerged is to provide a method of applying glue to the sole by the above machine, characterized in that the control system causes the radial brush to move along the path on the sole. The axis of rotation of the brush is kept substantially tangentially parallel to the edge of the sole on the support in order to apply glue along the edge.

With reference to the drawings, Figure 1 shows a possible embodiment of a machine according to the invention. The machine (denoted overall by 10) includes an area 11 for receiving the sole 12 to be glued and a movement system 13 for moving the glue dispensing device 14 along a suitable path on the sole present in the area 11.

The movement can be automated by a computer control system 15 known per se (for example a suitably programmed microprocessor system).

Advantageously, the movement system 13 of the machine 10 comprises a head 16 and a support 17 on which the device 14 is mounted, the support 17 being designed to receive and fix the sole to be glued in the area 11. As clearly shown in the drawings, the support of the sole is designed to fix the sole, with the inside of the sole pointing towards the dispensing device. "Inside of the sole" is clearly understood to mean the side of the sole to be glued to the bottom of the sole.

The head 16 and the support 17 are moved relative to each other by a driver that allows the glue application device 14 to follow a desired path. For example, these movements can be modified by the control system 15 in order to follow the desired path in a manner known essentially to those skilled in the art.

The mobile system 13 may be of a basically known type, and can be easily imagined by those skilled in the art, and will not be described or shown in detail here. Basically, the movement system 13 may include the necessary freedom of movement in space so as to follow a desired path with a desired inclination of the operating end of the device 14.

For example, it may be advantageous to provide four or five degrees of freedom for the relative positioning of the device 14 and the support 17.

As will be described clearly below, the movement can be performed so that the necessary degrees of freedom can be obtained by the individual movement of the head 16 while keeping the support 17 stationary in the machine or by the combination of the relative movement of the head 16 and the support 17.

In particular, as shown schematically in FIG. 1, an advantageous structure can be thought of as a drive for moving the head 16 relative to the support 17 along three orthogonal Cartesian coordinate axes 18, 19, 20. Advantageously, the movement along one of the Cartesian coordinate axes (eg axis 18 in FIG. 1) will be that the flat surface of the applicator 14 towards/away from the sole 12 on the support 17 is in a direction substantially perpendicular to it Movement, and one or two movements along the other two orthogonal axes (19, 20 in FIG. 1, where the axis 20 is substantially perpendicular to the plane of the drawing) can be achieved by moving only the head 16 or only alternately moving the support 17 or also the structure of the moving support 17 is obtained, which can be easily imagined by those skilled in the art.

In the example of the embodiment, a motorized carriage 21 moves along the axis 20 and supports the rail 22, and the rail 22 extends along the axis 19 and sequentially supports the motorized carriage 23. The mechanized carriage 23 is provided with another mechanized carriage 24 for the movement of the head 16 along the axis 18. In this way, controlled movement of the head along three orthogonal Cartesian coordinate axes 18, 19 and 20 can be easily obtained.

However, alternative embodiments can be easily imagined by those skilled in the art. For example, the track 22 may be designed to move along the axis 18 on the carriage 21 so that the head 16 does not require the carriage 24 to move vertically.

Advantageously, the head 16 includes an additional drive for performing the desired tilting movement of the device 14 relative to the sole 12. In particular, the head 16 may be provided with a first movement axis of rotation 25 arranged parallel to the displacement axis 18 in order to allow the directional movement of the device 14 to be substantially in the plane of the sole (described below).

Advantageously, the head 16 will also include a second moving axis of rotation 26 which is arranged at an angle relative to the axis 25. One skilled in the art can easily imagine that the combination of the coordinated rotation of the two axes 25 and 26 allows the device 14 to be tilted so as to orient it within the space as it travels along the path of the sole.

In the embodiment described here as an example, the four axes 18, 19, 20 and 25 basically allow the positioning of the head, and the angled axis 26 allows the tilting of the brush to be performed.

All mechanized movements of the machine can be controlled by a known electronic control unit 15, where the path to be followed can be programmed according to the model and size of the sole being processed, which is well known to those skilled in the art. It can also provide a suitable known human/machine interface (not shown) (for example, equipped with a keyboard and display or a touch screen display) for self-learning to input route data, start and stop various operations, perform tests and calibrations, etc. , As those skilled in the art are familiar with this type of machine.

In order to fix the sole to the support 17, the support 17 may include suitable clamping members 27, 28 that are arranged opposite each other and are appropriately shaped to fix the sole 12 therebetween, sandwiching the sole 12 between the front and rear Between the ends (also seen in Figure 5), so that the entire surface to be covered with glue is free of obstacles.

The clamping member may advantageously be two shaped jaws that move towards each other (manually or preferably by a motor or cylinder movement) in order to clamp the sole between them.

The system for holding and fixing the sole can also be different from that shown. For example, it may include known suction systems or other systems that ensure the grip and stability of the sole 12 on the support 17.

Obviously, the support 17 can be shaped to receive a sole that does not necessarily have a flat shape (for example, the sole also has a very high heel), which is easily conceivable by those skilled in the art.

2 and 3 show the end of the head 16 with the glue application device 14 in more detail.

The device 14 includes a radial brush 30 rotating around a mechanized axis 31 in an innovative manner. Preferably, the radial brush 30 has radial bristles gathered together along the circumference of the brush to form radial bristle groups arranged in multiple planes parallel to each other and transverse to the axis of rotation 31. For example, there can be three planes, as can be clearly shown in FIG. 3. The set of bristles may preferably have an approximately circular cross-section, even though different cross-sections can be used if desired. The bristles of the radial brush are relatively soft, preferably so as to be able to lightly pass along and bend along the sole without substantial mechanical action of removing material from the sole.

The radial brush 31 is designed to be rotationally driven, and its periphery abuts the sole of the shoe so as to apply glue over it, as shown schematically in the figure. The rotation speed of the brush 30 may be, for example, between 50 and 150 rpm, and preferably in the range of 100 rpm. The speed can also be programmed according to requirements and processing operations. If necessary, the maximum speed can even be greater than 150 rpm, for example up to 450-500 rpm.

The device 14 also includes a dispensing unit 33 designed to dispense glue on the periphery of the radial brush 30. As shown in FIGS. 2 and 3, the distribution unit is advantageously arranged to distribute the glue onto the peripheral area of the radial brush, which area is substantially away from the support 17 (eg on its opposite side) or is designed to be located on the sole to be glued The peripheral area on the radial brush.

Preferably, the dispensing unit 33 includes a small brush 34 at its front end, and the end of the small brush 34 rests on the periphery of the radial brush. In particular, the brush 34 is arranged along an axis 35 arranged radially with respect to the radial brush 30 so as to rest radially on the periphery of the radial brush 30.

In the center of the brush 34, there is advantageously a nozzle 36, which is supplied by a suitable glue source known per se (for example, including a pipe for receiving glue from the supply tank under pressure). The glue can be of any type deemed appropriate. For example, it may be a solvent-based glue.

Basically, the nozzle 36 distributes the glue between the bristles of the end brush 34, and the brush 34 then applies the glue in turn on the tip of the radial brush 30 and between the bristles.

The brush 34 is advantageously mechanized to rotate about its axis 35. This improves the uniform distribution of glue on the radial brush 30. The rotation of the radial brush about the axis 31 allows the glue to be applied evenly over the entire circumference of the radial brush 30, and thus to transfer the glue evenly to the sole of the shoe.

The combined rotation of the end brush 34 and the radial brush 30 ensures a more uniform glue application.

Advantageously, during operation of the machine, the radial brush 30 will be in contact with the sole in such a direction that the radial brush 30 rotates with the direction of rotation (eg, gently along the sole towards the free end of the edge of the sole). For example, the rotation of the brush is counterclockwise in FIG. 2, so that the bristles of the brush move up along the edge 37 to the top free end thereof.

It has been found that this is advantageous for precise application up to the end of the edge of the sole, avoiding that after the sole has been installed on the shoe, the applied glue is still visible on the sole part.

2 and 3 show the sole 12 with a raised edge 37 by way of example. It has been found that an applicator such as the one according to the invention is particularly advantageous for these types of soles, because any glue application beyond the top of the edge of the sole is avoided, while applying the glue on the entire inner surface of the raised edge and on the sole On the area near the bottom.

If necessary, the movement of the radial brush can also naturally continue towards the center of the sole in order to also glue more central parts of the sole.

Advantageously, the coating device 14 may further include a protector 38 (for example, formed of a metal or plastic strip) arranged along a part of the periphery of the radial brush 30, so as to prevent the rotation of the brush due to centrifugal force The edges of the sole advance in opposite directions, thereby contaminating areas of the sole that are not intended to be glued. If necessary, the protection can be adjusted in position.

Adjusting the position of the protector 38 may also allow the "impact and contact" point of the brush 30 on the sole to be modified.

FIG. 4 shows a possible internal structure of the head 16 and the application device 14 in a schematic form.

The motor 40 may cause the head to rotate about the axis 25, while the motor 41 may cause the head to rotate about the angled axis 26.

The motor 42 can cause the rotation of the axial brush 33 which advantageously contains the glue dispensing nozzle 36.

Finally, the motor 43 can rotate the radial brush 30 about the axis 31. The motor 43 may be connected to the brush 30 by a suitable driver 44 (eg, a double right angle transmission) in order to reduce the size of the head in the area of the brush 30 and make the brush easily move towards the sole to be glued.

The device 10 includes an inlet duct 45 for glue 45 that must be dispensed and must reach the nozzle 36. Advantageously, the glue flows from the inlet pipe 45 to the nozzle 36 through the supply pipe 36, the supply pipe 36 preferably houses a rod 47 in its interior, the rod 47 is also used to adjust the glue flow, for example by its adjustable axial movement, It is allowed to open or close the hole for the glue to flow toward the outlet of the nozzle 36. A suitable known rotatable hydraulic joint 48 may be provided to allow glue to pass from the inlet 45 to the pipe 46 that rotates with the brush 33.

FIG. 5 shows by way of example a possible path followed by the radial brush 30 along the edge of the sole placed on the support 17 during operation of the machine. Along this path, the brush 30 can maintain its axis of rotation 31 substantially tangentially parallel to the edge of the sole, so as to apply glue to the edge by moving along the edge.

Thanks to the device according to the invention, it has been found that the glue can advantageously be applied quickly using an automatic machine, with high precision and no overflow on the sole formed with raised edges, with a constant or variable height.

It has also been found that the machine according to the present invention is particularly suitable for gluing soles without raised edges, regardless of the form of the edges, and can perfectly and quickly glue the edges of the sole without overflowing the glue.

For example, FIG. 6 shows a gluing device according to the present invention, while it glues a type of sole with a pleated cover 50 on the edge of the sole. Due to the structure of the device, glue can be correctly applied between the pleats of the cover layer 50 without spilling onto the side of the sole that will remain visible after the sole has been installed on the shoe.

Another advantage of the coating device provided according to the present invention is that it is possible to sufficiently apply the glue to the inner portion of the inner rib-type sole, as shown in the cross section of FIG. 7.

In the case of these soles, it may be harmful to apply glue to the open cavity between the ribs, because in addition to the waste of glue, once the sole is applied to the bottom of the shoe, it will form in the cavity during the solidification of the glue gas. This gas is still trapped between the bottom of the shoe and the sole, and may cause weakening of the glued joint and other known problems.

However, the known glue application system cannot prevent glue from entering the cavity between the ribs.

On the contrary, the device according to the invention allows the rotating brush to apply glue substantially only on the end of the rib that is in contact with the bottom of the shoe, without applying any glue to the cavity between the ribs, as can be clearly seen in FIG. 7 As shown.

The protector 38 also helps protect the contact point between the bristles of the brush 30 and the end of the rib, thereby preventing the glue from being transferred to the area close to the surface to be glued.

Figure 8 shows a variant of the machine 10 according to the invention. In this variation, the machine 10 has a radial brush 30 that is mounted (eg, mounted on the electric arm 51) to be controllably in the operating position shown in FIGS. 1-7 and the solid line shown in FIG. 8 Move between the non-operating positions shown. In this non-operating position, the radial brush 30 is lifted and moved away from the dispensing unit 33.

If necessary, the movement of the rotating brush shown in FIG. 8 can be used to ensure the application of glue in the corner between the bottom and the edge of the sole in the case of well-defined corners. In fact, when the radial brush 30 is in the non-operating position, the dispensing unit 33 (for example with the axial brush 34) can apply the glue directly to the sole 12, as shown in FIG. In particular, the dispensing unit can apply glue to the edge area of the sole on the support. Therefore, it is easier to apply the glue to the corner between the sole 12 and the edge 37. The radial brush 30 can then be brought back to the operating position to apply the glue to the rest of the sole surface, as described above.

If necessary, the dispensing unit 33 can also apply glue to other points of the sole surface and the area near the edge in any case. For example, a dispensing unit (especially with an axial brush) can be used to apply glue on the entire surface of the sole to be glued.

10 and 11 show a cleaning device 52, which may be included in the machine 10 (for example, next to the area 11 for supporting the sole). The cleaning device 52 includes a container 53 including two cleaning brushes 54, 55, the cleaning brushes 54, 55 being arranged such that their bristles face each other and are spaced apart from each other. The cleaning brushes 54, 55 are advantageously cylindrical and supported by a concentric shaft 56 which is controllably rotated by a motor 57. The container advantageously contains a cleaning fluid which is suitable for the glue used and where the cleaning brush is partially immersed. For example, the liquid may be a suitable solvent for solvent-based glue (for example, acetone), or it may be water for water-based glue.

The machine may periodically move the dispensing unit 33 (especially the axial brush 34) and/or the rotating brush 30 into the space between the cleaning brushes. This space allows the bristles of the cleaning brush to interact, for example, with the bristles of the axial brush 34 and/or the bristles of the rotating brush 30, as clearly shown in FIGS. 10 and 11. In this way, the cleaning brush can remove excess and/or partially dried glue. The motor 57 may periodically cause the cleaning brush to rotate, thereby cleaning the glue by immersing the glue in the liquid in the container. The liquid remaining on the cleaning brush can also ensure better cleaning of the axial brush 34 and the rotating brush 30, which are also rotating operations during the cleaning loop.

There may also be provided scraper elements 58, 59 inserted radially into the brushes 54, 55 (for example two elongated elements such as pins or blades) that slide along the bristles during rotation of the brush and help remove glue from the cleaning brush.

At this point, it is clear how to achieve the object of the present invention.

With the machine according to the invention with a glue application device, a satisfactory gluing operation can be performed on a sole that also has a very high raised edge, which also has a very high raised edge; different heights along the edge Soles (no need to dynamically and precisely change the height of the dispensing head, because small changes in edge height can be compensated by the flexibility of the bristles of the radial brush); soles with inner ribs; soles with lined edges; flat soles ; Welted soles; etc.

If you need to apply glue to a specific type of edge (for example, an edge that is not raised but has a deep crease on the sole part to be glued), the direction of rotation of the radial brush can also be easily reversed (or only the rotation Through the 180 degree radial brush plane).

Alternatively or additionally, by dynamically reversing the rotation direction of the motor 43 during the formation of the contour (from the counterclockwise direction to the clockwise direction and vice versa), the rotation of the brush can also be quickly reversed.

Obviously, the above description of the embodiments applying the innovative principles of the present invention are provided as examples of these innovative principles, and therefore should not be considered as limiting the scope of the rights claimed herein.

For example, the moving structure of the head and the structure of the head itself may be different from those shown for moving the coating device in the space. For example, a machine provided with an anthropomorphic arm terminating in the coating device can be used. The unit for dispensing glue onto the radial brush can also be different from that shown. For example, it is possible to provide a glue roller instead of an axial brush, or for example a spray-type dispensing nozzle, which deposits glue onto the radial brush.

In the specific implementation of the features of the present invention, other known shoe processing systems may be included in the machine. For example, the machine may be a machine combined with a workstation for gluing and/or roughing the sole.

10: Machine 11: Area 12: sole 13: mobile system 14: Glue distribution device 15: Control system 16: head 17: Support 18, 19, 20: Cartesian coordinate axis 21, 23, 24: mechanized carriage 22: Orbit 25: The first axis of rotation 26: The second axis of rotation 27, 28: clamping member 30: Radial brush 31: axis 33: Distribution unit 34: small brush 35: axis 36: Nozzle 37: Edge 38: protector 40, 41, 42, 43: motor 44: Drive 45: Entrance 46: Pipeline 47: Rod 48: hydraulic joint 50: Overlay 51: electric arm 52: Cleaning device 53: Container 54, 55: cleaning brush 56: concentric shaft 57: Motor 58, 59: Scraper element

In order to more clearly explain the innovative principles of the present invention and its advantages over the prior art, examples of implementations applying these principles will be described below with reference to the drawings. In the drawings: Figure 1 shows a schematic side view of a machine designed according to the invention; 2 and 3 show a partial schematic view of the glue application device of the machine according to FIG. 1 along two orthogonal directions; 4 shows a partial schematic view of the moving head of the machine according to FIG. 1 with a glue application device; FIG. 5 shows a partial schematic plan view of components for supporting the sole in the machine according to FIG. 1; 6 shows a partial perspective view of the moving head of the machine according to FIG. 1 when applying glue to the sole; 7 shows a partially enlarged schematic view of the coating tool of the machine according to FIG. 1 when applying glue to the sole; 8 shows a partial schematic view of the glue application tool of the machine according to the invention in the second operating position; 9 shows a view similar to FIG. 8 and having an application tool when applying glue to the sole; 10 and 11 show a partial schematic view of a machine according to the invention equipped with a device for cleaning glue application tools.

10: Machine

11: Area

12: sole

13: mobile system

14: Glue distribution device

15: Control system

16: head

17: Support

18, 19, 20: Cartesian coordinate axis

23, 24: mechanized carriage

22: Orbit

25: The first axis of rotation

26: The second axis of rotation

27, 28: clamping member

30: Radial brush

40: Motor

Claims (20)

A machine (10) for applying glue to a shoe sole, comprising a support member (17) for the shoe sole, a glue distribution device (14) and a support member for the relative support under the control of the machine's control system (15) (17) The moving system (13) of the aforementioned device (14) is moved so that as the aforementioned device (14) follows the glue path along the sole, the aforementioned sole is placed on the aforementioned support (17), characterized in that the aforementioned glue The distribution device (14) includes a radial brush (30) and a distribution unit (33), the aforementioned radial brush (30) is mechanized to rotate around its central axis (31) and is designed such that its radial periphery is placed along the aforementioned support The sole to be glued on (17) passes gently, and the aforementioned distribution unit (33) is designed to dispense glue around the aforementioned radial brush (30), and the support of the sole is designed to fix the sole, wherein the inside of the aforementioned sole points towards Distribution device. The machine according to claim 1, wherein the aforementioned distribution unit (33) includes an axial brush (34), and an end of the aforementioned axial brush (34) abuts the periphery of the aforementioned radial brush (30). The machine of claim 2, wherein the aforementioned axial brush (34) rotates axially. The machine of claim 2, wherein the center of the aforementioned axial brush (34) includes a nozzle (36) for dispensing glue. The machine according to claim 4, wherein the aforementioned nozzle (36) is located at an end of a pipe (46) for supplying glue, and a rod (42) for adjusting a dispensing action slides axially within the aforementioned pipe (46). The machine according to claim 1, wherein the distribution unit (33) is arranged to dispense glue on the peripheral area of the aforementioned radial brush (30), which is away from the support (17) or away from the diameter on the sole to be glued To the peripheral area of the brush (30). The machine according to claim 1, wherein the aforementioned device (14) includes a protector (38) arranged along a portion of the periphery of the aforementioned radial brush (30). The machine according to claim 7, wherein the position of the aforementioned protection member (38) is adjustable with respect to the rotating brush. The machine of claim 1, wherein the aforementioned mobile system (13) has four or more axes. The machine according to claim 1, wherein the aforementioned moving system (13) includes a first electric movement along three orthogonal Cartesian coordinate axes (18, 19, 20) and a rotation axis (25, 26) inclined around each other Two rotating movements. The machine of claim 2, wherein the aforementioned radial brush (30) is controllably moved toward an inoperative position spaced from the aforementioned dispensing unit (33). The machine according to claim 1, wherein the aforementioned machine includes a cleaning device (52) for cleaning the radial brush (30) and/or the distribution unit (33). The machine according to claim 12, wherein the cleaning device (52) includes a container (53), the aforementioned container includes two brushes (54, 55), the aforementioned brushes have facing bristles and are mechanized to rotate axially and between them The receiving radial brush (30) and/or the dispensing unit (33) preferably has scrapers (58, 59) which slide along the two brushes (54, 55) during their rotation. The machine according to claim 12, wherein the aforementioned container (53) contains a cleaning liquid for the aforementioned glue. A method for applying glue to a shoe sole by a machine according to any one of claims 1 to 14, characterized in that the control system (15) moves the radial brush (30) along a trajectory on the shoe sole, wherein The axis of rotation (31) of the radial brush (30) is kept substantially tangentially parallel to the edge of the sole on the support (17) in order to apply glue along the aforementioned edge. The method of claim 15, wherein the direction of rotation of the radial brush (30) is such that it is directed toward the free end of the edge of the sole on the support (17), passing gently along the sole. The method of claim 15, wherein the rotation direction of the radial brush relative to the sole is reversed by rotating the plane of the radial brush 180 degrees. The method of claim 15, wherein the direction of rotation of the radial brush relative to the sole is reversed by reversing the direction of rotation of the rotary motor of the radial brush. The method of claim 15, wherein the radial brush (30) is controllably moved to a non-operating position spaced from the dispensing unit (33), and the dispensing unit (33) is moved to apply the glue directly to the support ( 17) On the inside of the sole. The method according to claim 19, wherein, after the dispensing unit (33) applies glue along the edge of the sole on the aforementioned support (17), the radial brush (30) returns to the operating position for removing from the dispensing unit (33) ) Take the glue and apply it to the sole.

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