CN213037079U

CN213037079U - Film tension adjusting mechanism for coating machine

Info

Publication number: CN213037079U
Application number: CN202021754536.XU
Authority: CN
Inventors: 陈浩; 陶琦
Original assignee: Wuxi Xinhao Protective Film Co ltd
Current assignee: Wuxi Xinhao Protective Film Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-23
Anticipated expiration: 2030-08-20

Abstract

The present invention relates to a coating machine, and more particularly, to a film tension adjusting mechanism for a coating machine. The automatic adhesive tape feeding device comprises a first supporting seat, a second supporting seat and a controller, wherein the first supporting seat and the second supporting seat are arranged oppositely, the first supporting seat and the second supporting seat are respectively positioned at two sides of an adhesive tape groove, an anilox roller and an adhesive tape roller are rotatably connected between the first supporting seat and the second supporting seat and are sequentially laminated from top to bottom, one side of the first supporting seat is connected with a driving device, the controller is connected to the first supporting seat, an adjusting roller is rotatably connected between the first supporting seat and the second supporting seat, and a lifting device is connected to the first supporting seat; the detection roller is rotatably connected between the first supporting seat and the second supporting seat, the tension detection assembly is arranged in cooperation with the detection roller and is electrically connected to the controller, and the controller is electrically connected to the lifting device. This application has the effect of adjusting coating machine film tension.

Description

Film tension adjusting mechanism for coating machine

Technical Field

The present invention relates to a coating machine, and more particularly, to a film tension adjusting mechanism for a coating machine.

Background

The coating machine is mainly used for the surface coating process production of films, paper and the like, and is characterized in that a coiled base material is coated with a layer of glue, paint or ink with a specific function and the like, and is wound after being dried.

At present, chinese patent publication No. CN2635225Y discloses a coating machine, which comprises a motor and an ink tank, wherein an anilox roller is arranged above the ink tank, a rubber roller is arranged above the anilox roller, a doctor blade is arranged on the side edge of the anilox roller, a material conveying roller is further arranged between the ink tank and the anilox roller, a rigid compensation roller is further arranged above the rubber roller, an interval adjusting device is arranged between every two adjacent rollers, a transmission mechanism is arranged between the motor and each roller, and a reversing device is arranged in each transmission mechanism. When the coating machine coats, the sheet is penetrated between the rubber roller and the rigid compensation roller or between the rubber roller and the anilox roller, the sheet is driven to move by the rotating rubber roller, the ink is transferred to the anilox roller by the material transfer roller and then transferred to the rubber roller, and finally the rubber roller coats the sheet, so that offset printing coating is realized.

When a coating machine coats a plastic film, an anilox roller dips glue from a glue solution tank to coat and dye the film, however, in the unreeling process of the plastic film, the tension of the anilox roller has the possibility of generating looseness, and the loosened film cannot be uniformly contacted with the glue when passing through the anilox roller, so that the coating quality is poor.

SUMMERY OF THE UTILITY MODEL

In order to adjust the tension of the plastic film of the coating machine in real time, the application provides a film tension adjusting mechanism for the coating machine.

The application provides a film tension guiding mechanism for coating machine adopts following technical scheme:

a film tension adjusting mechanism for a coating machine comprises a first supporting seat, a second supporting seat and a controller, wherein the first supporting seat and the second supporting seat are arranged oppositely, the first supporting seat and the second supporting seat are respectively positioned at two sides of a glue groove, an anilox roller and a glue roller are rotatably connected between the first supporting seat and the second supporting seat, the first supporting seat and the second supporting seat are sequentially attached from top to bottom, one side of the first supporting seat is connected with a driving device for controlling the rotation of the glue roller and the anilox roller, the controller is connected to the first supporting seat, an adjusting roller for adjusting the film tension is rotatably connected between the first supporting seat and the second supporting seat, and the first supporting seat is connected with a lifting device for driving the adjusting roller to lift; the film tension detection device comprises a first supporting seat, a second supporting seat, a detection roller, a tension detection assembly, a controller and a lifting device.

Through adopting above-mentioned technical scheme, the coating machine is at the during operation, and the film laminating is in the upside of detecting the roller, and tension detecting element detects out the tensile size of film and then changes tensile size into the signal of telecommunication and transmit for the controller, and the controller transmits the signal of telecommunication for elevating gear, and elevating gear drive regulating roller goes up and down to this tension size of adjusting the film. According to the technical scheme, the tension of the plastic film is adjusted in real time through the cooperation between the lifting device and the tension detection assembly.

Preferably, elevating gear includes elevator motor, elevating screw, and the vertical opening in position of the relative regulating roller tip of first supporting seat has the lift hole, and elevating screw is vertical rotation and connects in the lift hole of supporting seat, and elevator motor connects on first supporting seat and is used for driving elevating screw and rotates, and it has the elevator to slide along vertical direction in the lift hole, and elevating screw passes the elevator, elevating screw and elevator threaded connection, and the tip of regulating roller rotates to be connected in the elevator.

Through adopting above-mentioned technical scheme, elevator motor drive lift lead screw rotates, and lift lead screw drives the elevator and removes, and the elevator drives the dancer rools and goes up and down.

Preferably, the tension detection assembly comprises a connecting block and a pressure sensor, a mounting hole is formed in the first supporting seat, the pressure sensor is fixedly connected to the bottom wall of the mounting hole, the connecting block is located above the pressure sensor, the pressure sensor is electrically connected to the controller, and the end of the detection roller is rotatably connected to the connecting block.

By adopting the technical scheme, in the process of drawing the film, the tension of the film applies vertical downward force to the detection roller, the detection roller drives the connecting block to apply vertical downward force to the pressure sensor, and the pressure sensor converts the pressure into an electric signal to be transmitted to the controller after detecting the pressure.

Preferably, the two vertical inner side walls of the lifting hole are respectively provided with a guide groove, and the lifting block is fixedly connected with a guide strip which slides in the guide grooves.

Through adopting above-mentioned technical scheme, the gib block has improved the stability that the elevator block removed.

Preferably, a proximity switch is inserted into the top wall of the guide groove, the transmitting end of the proximity switch faces the lifting block, the proximity switch is electrically connected to the controller, and the controller is electrically connected to the alarm.

By adopting the technical scheme, when the lifting block rises to the detection range of the proximity switch, the proximity switch transmits an electric signal for the controller to alarm, and the controller controls the alarm to alarm.

Preferably, a speed reducer is connected to the first support base, an output shaft of the lifting motor is coaxially connected to an input shaft of the speed reducer, a driving bevel gear is sleeved on the output shaft of the speed reducer, a driven bevel gear is sleeved at the top end of the lifting screw, and the driving bevel gear is meshed with the driven bevel gear.

By adopting the technical scheme, the speed reducer has the functions of reducing speed and increasing torque, and the driving bevel gear and the driven bevel gear are meshed to change the axial direction of the transmission shaft, so that the lifting motor is horizontally arranged, and the space occupied by the first supporting seat in the height direction of the upper part is reduced.

Preferably, the second supporting seat is provided with a sliding hole, the sliding hole is internally and fixedly connected with a fixing rod which is vertically arranged, a sliding block vertically slides in the sliding hole, the fixing rod penetrates through the sliding block, and the end part of the adjusting roller is rotatably connected to the sliding block.

Through adopting above-mentioned technical scheme, the sliding block slides along the dead lever, has further improved the stability that the dancer rools goes up and down.

Preferably, the two sides of the connecting block are fixedly connected with limit strips respectively, two vertical inner side walls of the mounting hole are provided with limit grooves respectively, and the limit strips are located in the limit grooves.

Through adopting above-mentioned technical scheme, the limiting plate has improved the stability of connecting block to the stability of detecting the roller has been improved.

In summary, the present application includes at least one of the following beneficial technical effects: the tension detection assembly detects the tension of the film and converts the tension into an electric signal to be transmitted to the controller, the controller drives the lifting device, and the lifting device drives the adjusting roller to lift so as to adjust the tension of the film.

Drawings

Fig. 1 is a schematic view of the overall structure for embodying the present application.

Fig. 2 is a schematic diagram for embodying a plastic film running path.

Fig. 3 is a side view for embodying the overall structure.

Fig. 4 is a schematic structural view for embodying the lifting device and the driving device.

Fig. 5 is a partially enlarged view for embodying a point a in fig. 4.

Fig. 6 is a partially enlarged view for embodying point B in fig. 4.

Fig. 7 is a schematic structural diagram for embodying a sliding block.

Description of reference numerals: 1. a first support base; 101. assembling and disassembling the plate; 102. a bottom support; 2. a second support seat; 201. a sliding hole; 202. fixing the rod; 203. a sliding block; 204. a linear bearing; 3. a controller; 301. an alarm; 4. a glue tank; 5. an anilox roll; 6. a rubber roller; 7. a drive device; 701. a drive motor; 702. a first gear; 703. a second gear; 704. a gear cover; 705. a support plate; 8. a regulating roller; 9. a lifting device; 901. a lifting motor; 902. lifting a screw rod; 903. a lifting hole; 904. a lifting block; 905. a guide groove; 906. a guide strip; 907. a speed reducer; 908. a drive bevel gear; 909. a driven bevel gear; 10. a detection roller; 11. a tension detection assembly; 1101. connecting blocks; 1102. a pressure sensor; 1103. mounting holes; 1104. a limiting strip; 1105. a limiting groove; 12. a proximity switch.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a film tension adjusting mechanism for a coating machine. Referring to fig. 1, the film tension adjusting mechanism includes a first supporting base 1, a second supporting base 2, and a controller 3, wherein the controller 3 is connected to the first supporting base 1.

Referring to fig. 1 and 2, the first supporting seat 1 and the second supporting seat 2 are oppositely arranged on two sides of the glue solution tank 4, the first supporting seat 1 and the second supporting seat 2 are rotatably connected with a rubber roller 6 and an anilox roller 5, the rubber roller 6 and the anilox roller 5 are sequentially attached from top to bottom, a plastic film is arranged between the rubber roller 6 and the anilox roller 5 in a penetrating manner, and the anilox roller 5 is positioned above the glue solution tank 4.

Referring to fig. 1 and 4, a driving device 7 is connected to the first supporting seat 1, the driving device 7 includes a driving motor 701, a first gear 702 and a second gear 703, the first gear 702 is sleeved on an end portion of the anilox roller 5, the second gear 703 is sleeved on an end portion of the rubber roller 6, and the first gear 702 is engaged with the second gear 703. A gear cover 704 is fixedly connected to the first supporting seat 1, and the first gear 702 and the second gear 703 are located in the gear cover 704.

Referring to fig. 1 and 4, a support plate 705 is fixedly coupled to the first support base 1, and a driving motor 701 is coupled to the support plate 705. An output shaft of the drive motor 701 is coaxially connected to an end of the anilox roller 5. The driving motor 701 drives the anilox roller 5 to rotate, the anilox roller 5 drives the rubber roller 6 to synchronously rotate through the first gear 702 and the second gear 703, the anilox roller 5 and the rubber roller 6 drive the plastic film to move, and the anilox roller 5 dips in glue solution from the glue solution tank 4 to paint the plastic film.

Referring to fig. 1 and 3, an adjusting roller 8 is rotatably connected between the first supporting seat 1 and the second supporting seat 2, and a lifting device 9 for driving the adjusting roller 8 to lift is connected to the first supporting seat 1.

Referring to fig. 3, the lifting device 9 includes a lifting motor 901 and a lifting screw 902. The position of the first supporting seat 1 relative to the end part of the adjusting roller 8 is vertically provided with a lifting hole 903, a lifting screw 902 is vertically and rotatably connected in the lifting hole 903, a lifting motor 901 is connected on the first supporting seat 1 through a bolt, the first supporting seat 1 is connected with a speed reducer 907 through a bolt, and an output shaft of the lifting motor 901 is coaxially connected with an input shaft of the speed reducer 907.

Referring to fig. 3, an output shaft of the speed reducer 907 is sleeved with a driving bevel gear 908, an upper end of the elevating screw 902 passes through the top of the first support base 1 and is sleeved with a driven bevel gear 909, and the driving bevel gear 908 and the driven bevel gear 909 are in meshing transmission. The lifting motor 901 drives the driving bevel gear 908 to rotate through the speed reducer 907, the driving bevel gear 908 drives the driven bevel gear 909 to rotate, and the driven bevel gear 909 drives the lifting screw 902 to rotate.

Referring to fig. 3, a lifting block 904 slides in the lifting hole 903 along the vertical direction, a lifting screw 902 passes through the lifting block 904, the lifting screw 902 is in threaded connection with the lifting block 904, and the lifting screw 902 rotates to drive the lifting block 904 to slide vertically along the lifting screw 902. One end of the adjusting roller 8 is rotatably connected to the lifting block 904, and the lifting block 904 drives the adjusting roller 8 to vertically lift.

Referring to fig. 4 and 5, in order to improve the sliding stability of the lifting block 904 in the lifting hole 903, guide grooves 905 are respectively formed in two vertical inner side walls of the lifting hole 903, and a guide bar 906 sliding in the guide grooves 905 is fixedly connected to the lifting block 904.

Referring to fig. 3, in order to facilitate the installation of the elevator block 904 into the elevator hole 903, the first support 1 includes a loading plate 101 and a bottom support 102, the bottom support 102 is supported on the ground, the top of the elevator hole 903 penetrates the top surface of the bottom support 102, and the loading plate 101 is coupled to the top surface of the bottom support 102 by bolts.

Referring to fig. 3, a proximity switch 12 for detecting the lifting block 904 is inserted on the loading and unloading board 101, an emitting end of the proximity switch 12 vertically faces downward and extends into the lifting hole 903, the proximity switch 12 is electrically connected to the controller 3, and the controller 3 is electrically connected to the alarm 301. When the elevator block 904 approaches the loading and unloading board 101, the proximity switch 12 detects the elevator block 904 and transmits an electric signal to the controller 3, and the controller 3 controls the alarm 301 to alarm, thereby limiting the maximum elevation height of the elevator block 904.

Referring to fig. 4 and 7, a sliding hole 201 is formed in the second support seat 2, a fixing rod 202 is vertically and fixedly connected in the sliding hole 201, a sliding block 203 is slidably arranged in the sliding hole 201, a linear bearing 204 is vertically embedded in the sliding block 203, and the fixing rod 202 penetrates through the linear bearing 204. The adjusting roller 8 is far away from the one end of the lifting block 904 and is rotatably connected to the sliding block 203, the adjusting roller 8 drives the sliding block 203 to slide along the fixing rod 202, and the linear bearing 204 improves the smoothness of sliding of the sliding block 203.

Referring to fig. 3 and 4, a detection roller 10 is rotatably connected between the first support seat 1 and the second support seat 2. The first supporting seat 1 is provided with a mounting hole 1103, the top of the mounting hole 1103 penetrates through the top surface of the bottom supporting seat 102, a tension detection assembly 11 is installed in the mounting hole 1103, and the tension detection assembly 11 comprises a pressure sensor 1102 and a connecting block 1101. The pressure sensor 1102 is fixedly connected to the bottom wall of the mounting hole 1103, and the pressure sensor 1102 is electrically connected to the controller 3. The connection block 1101 is positioned above the pressure sensor 1102, and one end of the detection roller 10 is rotatably connected to the connection block 1101.

Referring to fig. 4 and 6, in order to improve the stability of the detection roller 10, two vertical inner side walls of the mounting hole 1103 are respectively provided with a limiting groove 1105, and a limiting bar 1104 positioned in the limiting groove 1105 is fixedly connected to the connection block 1101.

Referring to fig. 2 and 3, the adjusting roller 8 and the detecting roller 10 are positioned above the rubber roller 6, and the rubber roller 6 is positioned between vertical projections of the adjusting roller 8 and the detecting roller 10. During the drafting process, the tension of the film applies a downward force to the detection roller 10, so that the connection block 1101 applies a downward force to the pressure sensor 1102. The pressure sensor 1102 converts the force into an electrical signal to the controller 3 after detecting the force. The controller 3 controls the lifting device 9 to work, and the lifting device 9 controls the adjusting roller 8 to lift, so that the tension of the film is adjusted.

The implementation principle of the film tension adjusting mechanism for the coating machine in the embodiment of the application is as follows: when the coating machine works, the tension detection assembly 11 connected with the detection roller 10 detects the tension and converts the tension into an electric signal to be transmitted to the controller 3, the controller 3 transmits the electric signal to the lifting device 9, and the lifting device 9 controls the adjusting roller 8 to lift, so that the tension of the film is adjusted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a film tension guiding mechanism for coating machine, including first supporting seat (1), second supporting seat (2), controller (3), first supporting seat (1) and second supporting seat (2) set up relatively, first supporting seat (1) and second supporting seat (2) are located the both sides of glue groove (4) respectively, reticulation roller (5) and rubber roll (6) are rotated and are connected between first supporting seat (1) and second supporting seat (2), both from top to bottom laminate in proper order, one side of first supporting seat (1) is connected with and is used for controlling rubber roll (6) and reticulation roller (5) pivoted drive arrangement (7), controller (3) are connected on first supporting seat (1), its characterized in that: an adjusting roller (8) for adjusting the tension of the film is rotatably connected between the first supporting seat (1) and the second supporting seat (2), and a lifting device (9) for driving the adjusting roller (8) to lift is connected to the first supporting seat (1); rotate between first supporting seat (1) and second supporting seat (2) and be connected with detection roller (10) that are used for detecting film tension, cooperate and be equipped with tension detection subassembly (11) in detection roller (10), tension detection subassembly (11) electric connection in controller (3), controller (3) electric connection in elevating gear (9).

2. The film tension adjusting mechanism for a coater according to claim 1, wherein: elevating gear (9) are including elevator motor (901), elevating screw (902), the vertical opening in position of relative regulating roller (8) tip of first supporting seat (1) has lift hole (903), elevating screw (902) are vertical rotation and connect in lift hole (903) of supporting seat, elevator motor (901) are connected on first supporting seat (1) and are used for driving elevating screw (902) to rotate, it has elevator (904) to slide along vertical direction in lift hole (903), elevator (904) are passed to elevating screw (902), elevating screw (902) and elevator (904) threaded connection, the end rotation of regulating roller (8) is connected in elevator (904).

3. The film tension adjusting mechanism for a coater according to claim 1, wherein: tension detection subassembly (11) is including connecting block (1101) and pressure sensor (1102), and it has mounting hole (1103) to open on first supporting seat (1), and pressure sensor (1102) fixed connection is in the diapire of mounting hole (1103), and connecting block (1101) is located the top of pressure sensor (1102), and pressure sensor (1102) electric connection is in controller (3), and the tip of detecting roller (10) rotates to be connected in connecting block (1101).

4. The film tension adjusting mechanism for a coater according to claim 2, wherein: guide grooves (905) are formed in two vertical inner side walls of the lifting hole (903) respectively, and a guide strip (906) sliding in the guide grooves (905) is fixedly connected with the lifting block (904).

5. The film tension adjusting mechanism for a coater according to claim 1, wherein: proximity switch (12) are inserted to the roof of guide way (905), and proximity switch (12) emission end is towards elevator (904), and proximity switch (12) electric connection has siren (301) in controller (3), controller (3) electric connection.

6. The film tension adjusting mechanism for a coater according to claim 1, wherein: a speed reducer (907) is connected to the first supporting seat (1), an output shaft of the lifting motor (901) is coaxially connected to an input shaft of the speed reducer (907), a driving bevel gear (908) is sleeved on the output shaft of the speed reducer (907), a driven bevel gear (909) is sleeved at the top end of the lifting screw (902), and the driving bevel gear (908) is meshed with the driven bevel gear (909).

7. The film tension adjusting mechanism for a coater according to claim 1, wherein: it has sliding hole (201) to open on second supporting seat (2), and the dead lever (202) of the vertical setting of fixedly connected with in sliding hole (201), and vertical slip has sliding block (203) in sliding hole (201), and sliding block (203) are passed in dead lever (202), and the tip of regulating roller (8) is rotated and is connected in sliding block (203).

8. A film tension adjusting mechanism for a coater according to claim 3, wherein: the both sides of connecting block (1101) are spacing (1104) of fixedly connected with respectively, and spacing groove (1105) have been opened respectively to two vertical inside walls of mounting hole (1103), and spacing (1104) are located spacing groove (1105).