阅读说明：本技术 缠绕机 (Winding machine ) 是由 M·塞雷 于 2019-02-13 设计创作，主要内容包括：本发明涉及一种缠绕机(1),其包括框架装置(2、8)和覆盖装置(4),框架装置(2、8)用于支撑被布置成用塑料材料的薄膜(50)缠绕负载(100)的缠绕单元(3),覆盖装置(4)被布置成供给要被定位在负载(100)顶部的覆盖片材(60)；覆盖装置(4)包括覆盖片材(60)的卷轴(61)和可沿解卷方向(F)移动并布置成将覆盖片材(60)从卷轴(61)抓持并解卷以及将覆盖片材(60)放置在负载(100)上的抓持装置(5)；覆盖装置(4)包括连接到框架装置(2、8)上部部段且可滑动地支撑抓持设备(5)的支撑结构(6),以及支撑相应覆盖片材(60)的卷轴(61)且可逆地联接至支撑结构(6)的供应单元(7),以便可移除并更换为另一供应单元(7),尤其是在覆盖片材(60)的卷轴(61)耗尽的情况下。(The invention relates to a winding machine (1) comprising frame means (2, 8) for supporting a winding unit (3) arranged to wind a load (100) with a film (50) of plastic material, and covering means (4), the covering means (4) being arranged to feed a covering sheet (60) to be positioned on top of the load (100); the covering device (4) comprises a reel (61) of covering sheet (60) and a gripping device (5) movable in an unwinding direction (F) and arranged to grip and unwind the covering sheet (60) from the reel (61) and to place the covering sheet (60) on the load (100); the covering device (4) comprises a support structure (6) connected to the upper section of the frame device (2, 8) and slidably supporting the gripping device (5), and a supply unit (7) supporting a reel (61) of the respective covering sheet (60) and reversibly coupled to the support structure (6) so as to be removable and replaceable with another supply unit (7), in particular in the event of depletion of the reel (61) of the covering sheet (60).)

1. A winding machine (1) comprising:

-a frame device (2, 8) for supporting a winding unit (3) arranged to wind a load (100) with a film (50) of plastic material, and

-a covering device (4) arranged to supply a covering sheet (60) to be positioned on top of the load (100), the covering device (4) comprising a reel (61) of the covering sheet (60) and a gripping device (5), the gripping device (5) being movable in an unwinding direction (F) and arranged to grip the covering sheet (60) from the reel (61) and to unwind the covering sheet (60) from the reel (61) and to arrange the covering sheet (60) on the load (100),

characterized in that said covering means (4) comprise:

-a support structure (6) connected to an upper section of the frame arrangement (2, 8) and slidably supporting the gripping device (5); and

-a supply unit (7) supporting a reel (61) of the respective covering sheet (60) and reversibly coupled to said supporting structure (6) so as to be able to be removed and replaced with another supply unit (7), in particular in the event of depletion of the reel (61) of the respective covering sheet (60).

2. Winding machine (1) according to claim 1, wherein the support structure (6) is fixed to the upper section of the frame device (2, 8) in a first operating position (T) in which the unwinding direction (F) is transversal, in particular substantially orthogonal, to an advancing direction (a) of the load (100) through the winding machine (1), or the support structure (6) is fixed to the upper section of the frame device (2, 8) in a second operating position (L) in which the unwinding direction (F) is substantially parallel to the advancing direction (a).

3. Winding machine (1) according to claim 1 or 2, wherein the frame arrangement (2, 8) comprises a stationary main frame (2) and a movable frame (8), the movable frame (8) being slidably connected to the stationary main frame (2) and rotatably supporting a rotating ring (9) equipped with the winding unit (3), the support structure (6) of the covering device (4) being fixed to a respective upper section of the stationary main frame (2) or of the movable frame (8).

4. Winding machine (1) according to claim 2 or 3, when claim 3 is appended to claim 2, wherein said support structure (6) is rotatably connected to said upper section of said frame means (2, 8) so as to be rotatable between said first operating position (T) and said second operating position (L).

5. Winding machine (1) according to any one of the preceding claims, comprising a lifting device (10), the lifting device (10) being positioned adjacent to the covering device (4) and being arranged to hook a supply unit (7) to be mounted on the supporting structure (6) or to be dismounted from the supporting structure (6), in particular, the lifting device (10) is movable between a first configuration (P1) and a second configuration (P2), in the first configuration (P1), the lifting device (10) places a supply unit (7) on the support structure (6) or picks up a supply unit (7) from the support structure (6), in the second configuration (P2), the lifting device (10) places the supply unit (7) on a storage area (D) adjacent to the wrapping machine (1) or picks up the supply unit (7) from said storage area (D).

6. Winding machine (1) according to claim 5, wherein said lifting device (10) comprises a lifting arm (11), said lifting arm (11) being slidably and rotatably connected to a supporting column (12), in particular fixed to said frame apparatus (2, 8), so as to move along and around a first axis (Z), in particular between said first configuration (P1) and said second configuration (P2), said lifting arm (11) comprising an operating end (11a) suitable for gripping a supply unit (7).

7. Winding machine (1) according to claim 5, wherein said lifting device (10) comprises a manipulator, in particular an industrial robot, equipped with an operating end adapted to grip a supply unit (7).

8. Winding machine (1) according to any one of the preceding claims, wherein said supply unit (7) comprises:

-roller means (21) for rotatably supporting a reel (61) of cover sheet (60) so that said reel (61) can rotate about a longitudinal axis of rotation (Y);

-a drafting element (22) movable almost orthogonal to said longitudinal axis of rotation (Y) between a grip position (W1) in which said drafting element (22) is arranged to receive and hold an initial flap (62) of said cover sheet (60) unwound from said reel (61) and a release position (W2) in which said drafting element (22) positions said initial flap (62) at a front section (17) of said feeding unit (7) after partially unwinding said cover sheet (60), said cover sheet (60) emerging from the front section (17); and

-a locking device (23) which holds the initial flap (62) moved by the drafting element (22) at the front section (17) of the supply unit (7), the initial flap (62) then being arranged to be gripped by the gripping device (5).

9. Winding machine (1) according to claim 8, wherein the supply unit (7) comprises a rear section (18) to enter a housing space (19) of a reel (61) of the covering sheet (60), in the gripping position (W1) the drafting element (22) being positioned at the rear section (18).

10. Winding machine (1) according to claim 8 or 9, wherein the supply unit (7) comprises a movement device (24) for moving the drafting element (22) between the gripping position (W1) and the release position (W2).

11. Winding machine (1) according to claim 10, wherein said movement means comprise a pair of annular flexible elements (24) connected to opposite side walls of said supply unit (7) and engaged with a drive shaft (25) and moved by means of the drive shaft (25), said traction elements (22) having opposite ends fixed to said flexible elements (24).

12. Winding machine (1) according to claim 11, wherein the drive shaft (25) is rotatable in order to move the flexible element (24) and the drafting element (22) manually by means of a crank or by means of a motor.

13. Winding machine (1) according to any one of the preceding claims, wherein the supply unit (7) comprises a cutting device (27) arranged to cut the covering sheet (60) unwound from the reel (61) along a direction substantially orthogonal to the unwinding direction (F) so as to position a section of the covering sheet (60) having a defined length on the load (100).

14. Winding machine (1) according to any one of claims 5 to 7, wherein the supply unit (7) comprises a hooking element (30) arranged to be engaged and locked by an operating end of the lifting device (10).