CN219882549U - Spiral cutting machine of rotatable barrel - Google Patents

Abstract

The utility model provides a spiral cutting machine of a rotatable gun barrel, which comprises a frame, a gun barrel mechanism and a cutting tool rest, wherein the gun barrel mechanism comprises a rotating shaft, a gun barrel and a driving motor, and the cutting tool rest comprises a cutter head, a cutter head and a cutter head, wherein the cutter head is arranged on the cutter head, and the cutter head is connected with the cutter head through a connecting rod: the rear end of the rotating shaft is rotatably arranged on the frame through a plurality of bearings with seats which are arranged at intervals, and the tail end shaft of the rotating shaft is connected with a driving motor; the barrel is coaxially sleeved at the front end of the rotating shaft, and a groove is formed in the periphery of the barrel corresponding to the slitting knife rest. According to the utility model, the scheme that the barrel mechanism synchronously rotates along with the barrel film and simultaneously completes barrel film slitting is adopted, so that the film with low strength is not deformed, and the normal production of the film is ensured; meanwhile, the friction force between the film and the gun barrel is greatly reduced, and the uniformity of stress on the two sides and the middle of the film is ensured; the improved spiral splitting machine greatly improves the yield, is simple and convenient to operate, can realize automatic intelligent production, and is time-saving and labor-saving.

Description

Spiral cutting machine of rotatable barrel

Technical Field

The utility model belongs to the technical field of film production, relates to a spiral splitting machine for film production, and particularly relates to a spiral splitting machine for a rotatable gun barrel.

Background

In the film production and processing process, the barrel film is generally sleeved on a barrel mechanism of a spiral splitting machine, and the diameter of the film just produced is different in size, but the actually-cut film is required to be the same in width of each roll. Therefore, in order to meet the cutting requirement of the film, the device for cutting the film needs to be redesigned, so that the width of the cut film is the same, the phenomenon of different widths in the cutting process is prevented, and the use requirement of customers is met.

As shown in fig. 1 and 2, the conventionally employed spiral splitting machine mainly comprises a frame 10", a barrel mechanism 20" and a tool rest 30", wherein the barrel mechanism 20" comprises a supporting beam 21 "and two semicircular barrels 23" which are respectively symmetrical and are arranged at two sides of the front end of the supporting beam 21 "at intervals, the tail end of the supporting beam 21" is fixedly arranged on the frame 10 "through a plurality of flanges 22", the semicircular barrels 23 "which are symmetrically arranged left and right are fixedly arranged at two sides of the front end of the supporting beam 21" through screws 24", and the lower end of the tool rest 30" is embedded in a cutting gap 25 "between the left and right semicircular barrels 23". When in use, the barrel film which is just produced from the rotating frame is sleeved on the gun barrel mechanism 20 ', the far end of the barrel film is connected with the traction device, the barrel film is cut into films with the same width by the knife rest 30' under the traction of the traction device, and the films with the same width are cut out and conveyed to the winding device.

However, the existing spiral splitting machine has the following defects: 1) The tension of the whole machine is unbalanced, because the barrel mechanism 20 'is fixed, the film is changed into a 45-degree angle piece film from a barrel film, and the film is forcibly pulled by a traction device, so that the front-back tension of the barrel film running on the semicircular barrel 23' is inevitably uneven; 2) The universality is not strong, and the film with low strength is easy to deform, so that normal production cannot be performed; 3) The film has large friction force on the semicircular gun barrel 23', which is easy to cause the deformation of the film, and the two sides are loose and the middle is tight; 4) The rejection rate is high.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: aiming at the defects of the prior art, the spiral splitting machine of the rotatable gun barrel is provided.

The utility model adopts the following technical scheme for solving the technical problems:

the utility model provides a spiral cutting machine of a rotatable gun barrel, which comprises a frame, a gun barrel mechanism and a cutting tool rest, wherein the gun barrel mechanism comprises a rotating shaft, a gun barrel and a driving motor, and the spiral cutting machine comprises the following components:

the rear end of the rotating shaft is rotatably arranged on the frame through a plurality of bearings with seats which are arranged at intervals, and the tail end shaft of the rotating shaft is connected with the driving motor; the barrel is coaxially sleeved at the front end of the rotating shaft, and a groove is formed in the periphery of the barrel corresponding to the slitting knife rest.

Preferably, the cross section of the frame is an inverted F-shaped steel structure, and the frame consists of a supporting underframe and two supporting frames arranged at the tail end of the supporting underframe.

Preferably, the slitting knife rest is detachably arranged on a side square tube at the front end of the supporting bottom frame.

Preferably, the bearing with the seat adopts an outer spherical bearing with the seat, and the driving motor adopts a servo motor.

Preferably, the barrel is of a hollow cylindrical structure, is fixedly sleeved at the front end of the rotating shaft, and has a conical front end.

Preferably, the cross section of the groove is a V-shaped groove, and the included angle of the groove bottom is 30-60 degrees.

Preferably, the number of the grooves is at least two, the grooves are arranged at intervals along the length direction of the rotating shaft, and each groove is provided with a corresponding slitting knife rest.

Preferably, the barrel mechanism further comprises a motor mounting plate, wherein:

the motor mounting plate is detachably provided with the driving motor, and the front end of the motor mounting plate is fixedly connected with the upper end of the frame through an L-shaped angle plate.

More preferably, the barrel mechanism further comprises a support bar, wherein:

the upper end of the supporting rod is fixedly connected with the bottom of the rear end of the motor mounting plate through an L-shaped angle plate, and the lower end of the supporting rod is obliquely connected with the lower end of the frame.

Preferably, the slitting knife holder comprises a vertical rod and a cutter, wherein:

the vertical rod is in an inverted L shape, the transverse section at the top end of the vertical rod is connected with the cutter, and the lower end of the vertical rod is vertically arranged on the supporting underframe at the front end of the stand;

the cutter handle of the cutter is connected with the vertical rod, and the cutter tip is arranged downwards and correspondingly embedded in the groove.

Compared with the prior art, the utility model has the following technical effects:

(1) The tension of the whole machine is balanced, the barrel is driven by the driving motor and the rotating shaft to synchronously rotate along with the barrel film, and the barrel film on the barrel is divided into 45-degree corner piece films by the cutter, so that the front-back tension of the barrel film running on the barrel is uniform;

(2) The film slitting device has strong universality, adopts the scheme that the barrel mechanism synchronously rotates along with the barrel film and simultaneously completes barrel film slitting, and the film with low strength is not deformed, so that the normal production of the film is ensured;

(3) The barrel film on the barrel mechanism keeps synchronous rotation along with the barrel in the splitting and pulling process, so that the friction between the film and the barrel is greatly reduced, and the uniformity of stress on the two sides and the middle of the film is ensured;

(4) This spiral cutting machine after transformation adopts rotatable barrel, improves the yield of film greatly, and the rejection rate falls to 0, easy operation, convenience simultaneously can realize automatic intelligent production, labour saving and time saving.

Drawings

FIG. 1 is a schematic diagram of a front view of a conventional spiral splitting machine;

FIG. 2 is a schematic longitudinal sectional view of the prior art spiral splitting machine of FIG. 1;

FIG. 3 is a schematic diagram of the front view of a rotary barrel spiral splitting machine according to the present utility model;

FIG. 4 is a schematic view of a portion A of the rotary barrel of the present utility model shown in FIG. 3 in an enlarged partial view;

FIG. 5 is a schematic longitudinal sectional view of a spiral splitting machine of the rotatable barrel of the present utility model of FIG. 3;

FIG. 6 is a schematic top view of the spiral splitting machine of FIG. 3 showing a rotatable barrel of the present utility model;

10' -a frame; 20 '-gun barrel mechanism, 21' -supporting beam, 22 '-flange, 23' -semicircular barrels, 24 '-screws, 25' -cutting gaps; 30' -tool holder;

10-frames, 11-supporting underframe and 12-supporting frames; the gun barrel comprises a gun barrel mechanism 20, a rotary shaft 21, a bearing with a seat 22, a gun barrel 23, a gun barrel 24, a groove 25, a driving motor 26, a motor mounting plate and a supporting rod 27; 30-a slitting knife rest, 31-a vertical rod and 32-a cutter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In some embodiments, as shown in fig. 3 and fig. 4, a spiral splitting machine with a rotatable barrel is provided, the spiral splitting machine mainly comprises a frame 10, a barrel mechanism 20 and a splitting knife rest 30, compared with the existing spiral splitting machine, the core scheme adopted by the spiral splitting machine is to reform and innovate the existing barrel mechanism 20, the barrel mechanism 20 is designed to be a scheme of synchronously rotating with a barrel film, the reformed spiral splitting machine adopts a rotatable barrel, the yield is greatly improved, the rejection rate is reduced to 0, and meanwhile, the operation is simple and convenient, the automatic intelligent production can be realized, and the time and labor are saved.

Specifically, as shown in fig. 3 and 6, in order to achieve synchronous rotation of the barrel mechanism 20 and the barrel film, the barrel mechanism 20 is mainly composed of a rotation shaft 21, a barrel 23, and a driving motor 25.

The rear end of the rotating shaft 21 is rotatably mounted on the frame 10 by a plurality of spaced-apart bearings 22 with seats. The adoption of the bearing with the seat 22 replaces the existing flange fixing mode, so that the rotating shaft 21 can rotate relative to the frame 10. The seated bearing 22 is an outer spherical bearing.

As shown in fig. 3 and 6, a driving motor 25 is used to provide driving force for the rotation of the rotation shaft 21 and the barrel 23, and an output shaft of the driving motor 25 is connected to the end of the rotation shaft 21 through a coupling. In the film production process, the driving motor 25 is started to drive the rotating shaft 21 and the gun barrel 23 at the front end of the rotating shaft 21 to synchronously rotate. The driving motor 25 is a servo motor.

It should be noted that, in order to ensure that the rotation speed of the barrel 23 is consistent with the pulling of the barrel film to avoid friction due to relative displacement, it is required that both the driving motor 25 and the pulling device are connected to the same controller, and the rotation speed of the driving motor 25 and the pulling speed of the pulling device are calculated by the controller to ensure the consistency of operation, so that the front-rear tension of the barrel film on the barrel is uniform.

In addition, as shown in fig. 3 and 5, the barrel 23 is coaxially sleeved at the front end of the rotating shaft 21, for example, the barrel 23 adopts a hollow cylindrical structure, is fixedly sleeved at the front end of the rotating shaft 21 by adopting a screw or welding mode, and the front end of the barrel 23 has a conical structure so as to be convenient for receiving a barrel film which is just produced from a rotating frame.

Meanwhile, as shown in fig. 3 and fig. 4, in order to ensure the slitting effect of the slitting knife rest 30 on the barrel film, the possible damage to the slitting knife 32 caused by rotating the barrel 23 is avoided, a groove 24 is formed in the circumference of the barrel 23 corresponding to the slitting knife rest 30, and the lower end of the slitting knife 32 is correspondingly embedded in the groove 24, so that the barrel 23 cannot contact and collide with the slitting knife 32 in the rotating process.

In some embodiments, as shown in fig. 3 and 5, the frame 10 is made of a steel structure formed by welding square tubes and U-shaped steel, and is composed of a supporting bottom frame 11 and two supporting frames 12 arranged at the tail end of the supporting bottom frame 11, so as to form a frame structure with an inverted F-shaped overall cross section.

In some embodiments, as shown in fig. 3, 4 and 6, to meet the installation requirement of the cutter 32 and the cutting requirement of the barrel film, the cross section of the groove 24 is set as a V-shaped groove, and the included angle of the groove bottom is 30-60 degrees; preferably, the groove bottom included angle of the groove 24 is 45 degrees.

As some alternatives, to meet the cutting requirement of different films, so as to cut the films into a plurality of films with uniform widths, the slitting knife rest 30 and the grooves 24 may be plural, plural grooves 24 may be arranged at intervals along the length direction of the rotating shaft 21, and each groove 24 may be provided with a corresponding slitting knife rest 30.

In some embodiments, as shown in fig. 3 and fig. 6, to install the driving motor 25, the gun barrel mechanism 20 further includes a motor mounting plate 26, where the driving motor 25 is detachably installed on the motor mounting plate 26, and a front end of the motor mounting plate is fixedly connected to an upper end of the stand 10 through an L-shaped angle plate.

In addition, in order to ensure the stability of the driving motor 25 during operation, the barrel mechanism 20 further includes a supporting rod 27, the upper end of the supporting rod 27 is fixedly connected with the bottom of the rear end of the motor mounting plate 26 through an L-shaped angle plate, and the lower end is obliquely connected with the lower end of the frame 10, so as to form a triangle fixing structure.

In some embodiments, as shown in fig. 3, 5 and 6, in order to meet the cutting requirement of the film, so that the width of the cut film is the same, the slitting knife rest 30 is required to cut the barrel film sleeved on the barrel 23, and the slitting knife rest 30 is detachably mounted on a side square tube at the front end of the supporting bottom frame 11.

Specifically, the slitting knife holder 30 includes a vertical rod 31 and a cutter 32, and the vertical rod 31 is used as a supporting frame for supporting and fixing the cutter 32. The upright rod 31 is in an inverted L shape, the transverse section of the top end of the upright rod 31 is connected with the cutter 32, and the lower end of the upright rod is vertically arranged on the supporting bottom frame 11 at the front end of the stand 10. The cutter handle of the cutter 32 is connected with the upright rod 31, and the cutter tip is downward arranged and correspondingly embedded in the groove 24 for cutting the barrel film sleeved on the barrel 23.

In addition, in order to realize the up-and-down adjustment of the cutter 32, a telescopic cylinder may be disposed at the top end of the vertical section of the upright rod 31, and the telescopic rod of the telescopic cylinder is fixedly connected with the transverse section and then connected with the cutter 32. The cutter 32 is vertically lifted and embedded in the groove 24 or moved away from the groove 24 by the extension and retraction of the extension and retraction cylinder.

According to the utility model, the scheme that the barrel mechanism synchronously rotates along with the barrel film and simultaneously completes barrel film slitting is adopted, so that the film with low strength is not deformed, and the normal production of the film is ensured; after the barrel film is divided into 45-degree corner piece films by the cutter, the front-back tension of the barrel film running on the gun barrel is uniform, and the universality is strong; simultaneously, the gun barrel rotates synchronously in the barrel film cutting process, so that the friction force between the film and the gun barrel is greatly reduced, and the uniformity of stress on the two sides and the middle of the film is ensured; the improved spiral splitting machine greatly improves the yield of the film, reduces the rejection rate to 0, is simple and convenient to operate, can realize automatic intelligent production, and saves time and labor.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly, in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other without conflict;

finally, the foregoing description of the preferred embodiment of the utility model is provided for the purpose of illustration only, and is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a spiral cutting machine of rotatable barrel, includes frame, barrel mechanism and cuts the knife rest, its characterized in that, barrel mechanism includes rotation axis, barrel and driving motor, wherein:

the rear end of the rotating shaft is rotatably arranged on the frame through a plurality of bearings with seats which are arranged at intervals, and the tail end shaft of the rotating shaft is connected with the driving motor; the barrel is coaxially sleeved at the front end of the rotating shaft, and a groove is formed in the periphery of the barrel corresponding to the slitting knife rest.

2. The spiral splitting machine of a rotatable barrel according to claim 1, wherein the cross section of the frame is an inverted F-shaped steel structure, and the frame is composed of a supporting bottom frame and two supporting frames arranged at the tail end of the supporting bottom frame.

3. The spiral splitting machine of a rotatable barrel of claim 2, wherein the splitting blade holder is removably mounted on a side square tube at the front end of the support base frame.

4. The spiral splitting machine of a rotatable barrel of claim 1, wherein the seated bearing is a seated outer spherical bearing and the drive motor is a servo motor.

5. The spiral cutting machine of a rotatable barrel according to claim 1, wherein the barrel is of a hollow cylindrical structure, is fixedly sleeved at the front end of the rotating shaft, and has a conical front end.

6. The spiral splitting machine of a rotatable barrel according to claim 1, wherein the cross section of the groove is a V-shaped groove with a groove bottom included angle of 30-60 °.

7. The helical slitter for a rotatable barrel according to claim 1, wherein there are at least two grooves spaced apart along the length of the axis of rotation, and each groove is provided with a corresponding slitting knife holder.

8. The helical slitter for a rotatable barrel of claim 1, wherein the barrel mechanism further comprises a motor mounting plate, wherein:

the motor mounting plate is detachably provided with the driving motor, and the front end of the motor mounting plate is fixedly connected with the upper end of the frame through an L-shaped angle plate.

9. The helical slitter for a rotatable barrel of claim 8, wherein the barrel mechanism further comprises a support bar, wherein:

the upper end of the supporting rod is fixedly connected with the bottom of the rear end of the motor mounting plate through an L-shaped angle plate, and the lower end of the supporting rod is obliquely connected with the lower end of the frame.

10. The helical slitter for a rotatable barrel of claim 1, wherein the slitter knife block comprises a vertical rod and a cutter, wherein:

the vertical rod is in an inverted L shape, the transverse section at the top end of the vertical rod is connected with the cutter, and the lower end of the vertical rod is vertically arranged on the supporting underframe at the front end of the stand;

the cutter handle of the cutter is connected with the vertical rod, and the cutter tip is arranged downwards and correspondingly embedded in the groove.