CN211440265U

CN211440265U - Automatic tool setting structure of film slitting device

Info

Publication number: CN211440265U
Application number: CN202020004368.6U
Authority: CN
Inventors: 查仲敏; 谢金虎; 陈海涛
Original assignee: Hangzhou Hongli Machinery Co ltd
Current assignee: Hangzhou Hongli Machinery Co ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-09-08
Anticipated expiration: 2030-01-02

Abstract

The utility model relates to a cutting device. The utility model provides a device's automatic tool setting structure is cut to film, includes the support base, installs actuating mechanism on the support base, and support base below is equipped with the support guide rail, and actuating mechanism drives the support base and moves on the support guide rail, still installs the support on the support base, installs location locking structure on the support, and location locking structure is including installing sensor and the setting element on the support. The utility model provides an automatic tool setting structure of a film slitting device, which can realize automatic tool setting, can accurately cut the film, can adjust the cut length according to the needs of customers, can send a tool rest to a specified position and can quickly position; the technical problems that the position of a cutter needs to be manually adjusted and the cutting precision of a film is not high in the prior art are solved.

Description

Automatic tool setting structure of film slitting device

Technical Field

The utility model relates to a divide and cut the device, especially relate to an automatic tool setting structure that can realize that the film cuts the device.

Background

A film slitting machine is a mechanical device for slitting a wide film into a plurality of narrow materials, and is commonly used in the packaging industry. The film splitting machine consists of an unwinding mechanism, a splitting mechanism, a winding mechanism, functional rollers and a tension control deviation rectifying control and detection device. The working principle is as follows: the metallized film raw material discharged from the unwinding mechanism enters a slitting mechanism through a flattening roller, a tension detection roller, an enabling roller and a deviation correcting system, and the raw material is respectively wound into film rolls meeting the standard by a winding mechanism after being slit.

The commonly used slitting mechanism utilizes a plurality of slitting cutters arranged above the film roller to cut the film passing through the film roller into films with different widths for different occasions. However, the common splitting mechanism uses an integrated cutter, so that the cutting angle is difficult to adjust, the cutter needs to be integrally replaced due to the deformation, breakage and the like in the use process, the replacement operation is very inconvenient, and the cutter is expensive. And the width specification of the products to be cut is adjusted by the common domestic large-scale cutting equipment by manually moving an adjusting tool rest and verifying the moving width distance size by using a measuring tape.

As in the Chinese patent: the slitting device (CN 208964214U) of the film winder comprises a rack, a slitting cutter mechanism and a slitting driving device, wherein the slitting cutter mechanism and the slitting driving device are arranged on the rack and can transversely slide relative to the rack; the slitting driving device is used for driving the bottom wheel to rotate, and the shearing knife is pushed by the air cylinder to enable the shearing knife and the bottom wheel to form a shearing knife-shaped cutting opening so as to cut the film.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic tool setting structure of a film slitting device, which can realize automatic tool setting, can accurately cut the film, can adjust the cut length according to the needs of customers, can send a tool rest to a specified position and can quickly position; the technical problems that the position of a cutter needs to be manually adjusted and the cutting precision of a film is not high in the prior art are solved.

The above technical problem of the present invention is solved by the following technical solutions: the utility model provides a device's automatic tool setting structure is cut to film, includes the support base, installs actuating mechanism on the support base, and support base below is equipped with the support guide rail, and actuating mechanism drives the support base and moves on the support guide rail, still installs the support on the support base, installs location locking structure on the support, and location locking structure is including installing sensor and the setting element on the support. According to the signal transmission of the sensor, the driving mechanism is controlled to drive the support base to move, the support base drives the support to move, the support is connected with the knife rest on the film slitting device, the knife rest is driven to reach a designated position, the automatic knife setting process is finished, meanwhile, the sensor can also precisely determine the position of the knife rest to improve the cutting precision, and the positioning piece is used for fixing the support and the knife rest so as to drive the knife rest to move. The positioning piece is of a telescopic structure, after the tool setting work of one tool rest is completed, the positioning piece is withdrawn, the support is separated from the tool rest, and the support continues to move to the next tool rest position.

The distance between the tool rest and the support can be positioned through the sensor, and the sensor can also be used for transmitting the position of the support on the tool rest mounting frame, so that the motion track and the motion stroke of the support are ensured. The telescopic positioning piece can enable the support and the tool rest to be connected or disconnected with each other, and the linkage relation between the support and the tool rest is completed through a telescopic structure.

Preferably, the sensors include a tool holder sensor and a tool slot sensor arranged side by side. The tool rest sensor and the tool groove sensor are both laser sensors. The tool rest sensor is used for determining the position of the tool rest, and the tool rest sensor is used for determining the initial position of each tool rest on the tool rest mounting frame when the tool groove sensor scans the tool groove for the first time for subsequent calculation, so that the tool rest can be accurately driven to the designated position through the support in the subsequent adjustment process. The positions of the tool rest and the support can be determined, the tool rest sensor scans the positioning hole in the tool rest, when the tool rest sensor senses a signal, the positioning pin cylinder is started, the positioning pin is inserted into the positioning hole in the tool rest, and the support and the tool rest move synchronously. The knife groove sensor is used for scanning the knife groove on the reel in order to determine the position of the support, the scanned knife groove transmits a signal to the controller according to the program setting, and the controller determines the stroke and the motion track of the support.

Preferably, the positioning part comprises a cylinder seat fixed on the support, a positioning pin cylinder is installed on the cylinder seat, and a cylinder shaft of the positioning pin cylinder is connected with a positioning pin. The cylinder shaft extends out, the positioning pin is inserted into the positioning hole of the tool rest, and the support and the tool rest are fixed in relative positions and move synchronously; the cylinder shaft retracts, the positioning pin is separated from the positioning hole of the tool rest, the support can continue to move, and the tool rest is fixed on the guide rail of the tool rest.

Preferably, the support guide rail comprises guide rails parallel to each other, a rack is arranged between the two guide rails, a guide groove matched with the guide rails is arranged on the lower bottom surface of the support base, a gear is arranged between the two guide grooves, the gear is matched with the rack, and the gear is connected with the driving mechanism. The cooperation of gear and rack lets the motion precision of support improve, guarantees the position precision that the support motion stopped. The guide rail of both sides improves the direction effect, lets the motion more convenient quick.

Preferably, the support is L-shaped and comprises a transverse plate and a vertical plate which are connected with each other, the transverse plate is positioned above the support guide rail, and the vertical plate is provided with a sensor and a positioning piece. The diaphragm is used for making things convenient for the riser, can not influence the support base again, the sensor of installation on the riser, and the sensor is located the crossbeam below that the device is cut to the film, conveniently scans the epaxial sword groove of film spool of crossbeam below and the knife rest position of crossbeam below to realize accurate location.

Therefore, the utility model discloses a device is cut to film's automatic tool setting structure possesses following advantage: the relative position of the support and the tool rest is determined through the sensor, and the position of the support on the tool rest mounting rack is determined, so that automatic tool setting is realized, the automation degree is high, and the accuracy is good; realize fixing and breaking away from between support and the knife rest through location locking structure, simple structure, convenient operation.

Drawings

Fig. 1 is a perspective view of the automatic tool setting structure of the film slitting device of the present invention.

Fig. 2 is a front view at a of fig. 1.

Fig. 3 is a rear view of fig. 2.

Fig. 4 is a top view of fig. 2.

Fig. 5 is an enlarged view of fig. 1 after assembly on the film slitting device at a.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b):

as shown in fig. 1, 2, 3 and 4, an automatic tool setting structure of a film slitting device comprises a support base 1, a guide groove is arranged below the support base 1, the guide groove is matched with a support guide rail 2, the support guide rail 2 is two parallel steel rails 11, the cross section of each steel rail 11 is in an I shape, and a rack 10 is arranged between the two steel rails 11. The support base 1 is also provided with a gear, a driving motor 7 is arranged above the support base, and an output shaft of the driving motor 7 is connected with the gear. Install diaphragm 6 on support base 1, diaphragm 6 has riser 5 through bolted connection, and cylinder block 18 is installed to the other end of riser 5, installs locating pin cylinder 4 on the cylinder block 18, and the cylinder hub connection of locating pin cylinder 4 has locating pin 9. A knife rest sensor 8 is arranged beside the air cylinder seat, the knife rest sensor 8 adopts a laser sensor, a knife groove sensor 3 is also arranged beside the knife rest sensor 8, and the knife groove sensor 3 can scan a knife groove on the scroll so as to determine the position of the bracket base 1. The knife slot sensor 3 is fixed on the vertical plate 6 through a probe bracket 16.

As shown in fig. 5, the film slitting device comprises a beam 12, the support guide rail 2 is positioned above the beam 12, a tool rest guide rail 17 with a cross section in a shape of a Chinese character 'ji' is arranged below the beam 12, and the tool rest guide rail 17, the beam 8 and the support guide rail 2 are parallel to each other. A plurality of tool holders are mounted on the tool holder guide rail 17. The automatic tool setting structure is used for adjusting the position of the tool rest. The tool rest comprises a tool rest seat 13, the tool rest seat 13 moves on a tool rest guide rail 17, a positioning hole 15 is formed in the side face, opposite to the support, of the tool rest seat 13, and the positioning hole 15 is matched with the positioning pin 9. A cutter bar 14 is connected below the cutter frame seat, and a cutter is fixed at the end part of the cutter bar 14.

During operation, the equipment is started, and after the equipment is powered on, the operation of searching a reference point by the bracket is firstly carried out, namely, the return to zero is frequently called. The reference point is found in order to establish the zero point position of the whole system, and after the reference point finding operation is started, the knife groove sensor (the CMOS laser sensor sensing head 1) on the bracket automatically finds the first groove of the knife groove on the reel and defines the position as the 0mm starting position.

After setting the zero point, a scanning operation is performed, and the carriage is moved from the 0mm position to the other end of the beam, in the process, the position of each tool post passing through is recorded by a tool post sensor (CMOS laser sensor sensing head 2), and therefore the position information of all tool posts in the current initial state is obtained.

The operator then needs to set the production tasks on the operation screen, including the total width of the film, the number of cuts required, the width of each roll, the width of the scrap on both sides, etc. After the production task is set up, the controller will automatically calculate by an optimization algorithm which cutters need to be used and how to optimally adjust the position of each cutter.

After calculation, a scheme result is given on an operation picture, meanwhile, the automatic tool setting structure starts to work, when the support moves to the tool rest, the positioning pin is inserted into the positioning hole, the support drives the tool rest to move to a designated position, the positioning pin retracts, the tool rest and the support are separated from each other, the tool rest is fixed by the locking piece on the tool rest base, the support continues to move to select the next tool rest, and tool setting work is carried out until the last tool rest is conveyed to the designated position.

After the tool setting is finished, production can be started, a new production task can be reset after the current production task is finished, and then the tool setting production is carried out again.

Claims

1. The utility model provides a device is cut to film's automatic tool setting structure which characterized in that: the automatic positioning device comprises a support base, wherein a driving mechanism is installed on the support base, a support guide rail is arranged below the support base, the driving mechanism drives the support base to move on the support guide rail, a support is further installed on the support base, a positioning locking structure is installed on the support, and the positioning locking structure comprises a sensor and a positioning piece which are installed on the support.

2. The automatic tool setting structure of the film slitting device according to claim 1, characterized in that: the sensor comprises a tool rest sensor and a tool groove sensor which are arranged side by side.

3. The automatic tool setting structure of the film slitting device according to claim 2, characterized in that: the tool rest sensor and the tool groove sensor are both laser sensors.

4. The automatic knife setting structure of the film slitting device according to claim 1, 2, or 3, wherein: the positioning piece comprises a cylinder seat fixed on the support, a positioning pin cylinder is installed on the cylinder seat, and a cylinder shaft of the positioning pin cylinder is connected with a positioning pin.

5. The automatic tool setting structure of the film slitting device according to any one of claims 1 to 3, characterized in that: the support guide rail comprises guide rails which are parallel to each other, a rack is arranged between the two guide rails, a guide groove matched with the guide rails is arranged on the lower bottom surface of the support base, a gear is arranged between the two guide grooves and matched with the rack, and the gear is connected with a driving mechanism.

6. The automatic knife setting structure of the film slitting device according to claim 1, 2, or 3, wherein: the support be L shape, including interconnect's diaphragm and riser, the diaphragm is located support guide rail top, installs sensor and setting element on the riser.