CN219745321U

CN219745321U - Tensioning structure of coating machine

Info

Publication number: CN219745321U
Application number: CN202320856173.8U
Authority: CN
Inventors: 谢圣武; 刘玉飞; 谢海舟
Original assignee: Southern Graphite Research Institute Hunan Co ltd
Current assignee: Southern Graphite Research Institute Hunan Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-09-26
Anticipated expiration: 2033-04-17

Abstract

The utility model provides a tensioning structure of a coating machine, which comprises a frame, a coating roller set and an unreeling roller, wherein the coating roller set and the unreeling roller are rotatably arranged on the frame, the unreeling roller is arranged at the front end of the coating roller set, the tensioning structure also comprises a tensioning assembly arranged between the coating roller set and the unreeling roller, the tensioning assembly comprises two tensioning shafts which are arranged in parallel, mounting plates and adjusting assemblies which are arranged at the two ends of the tensioning shafts, a rotating shaft which is rotatably connected with the frame is arranged on the mounting plates, and the adjusting assemblies are fixedly arranged at the front end of the frame and are connected with the rotating shaft of the mounting plates at the front end of the frame.

Description

Tensioning structure of coating machine

Technical Field

The utility model relates to the technical field of electrothermal film production and processing equipment, in particular to a tensioning structure of a coating machine.

Background

The coating machine is mainly used for the surface coating process production of films, papers and the like, and the machine is used for coating a layer of glue, paint or ink with specific functions on a coiled base material, drying and coiling; in which a roll coater is a common way today, a coating is applied to a coated surface by means of a coating roll, and then transferred through the coating roll, during which transfer the surface of the material is distributed.

In the electrothermal film production process, the surface of the film needs to be coated with the adhesive, and the traditional manual brush coater can not adjust the tension degree of the electrothermal film during coating in the adhesive coating process, so that the electrothermal film is inconvenient, and when the electrothermal film is loosened or excessively tensioned, the coating effect of the electrothermal film is affected, and the production quality of the electrothermal film is further affected.

The present utility model is directed to a tensioning structure of a coater to solve the above-mentioned problems in the background art.

Disclosure of Invention

In order to achieve the above purpose, the utility model provides a tensioning structure of a coating machine, which comprises a frame, a coating roller set and an unreeling roller, wherein the coating roller set and the unreeling roller are rotatably arranged on the frame, the unreeling roller is arranged at the front end of the coating roller set, the tensioning structure further comprises a tensioning assembly arranged between the coating roller set and the unreeling roller, the tensioning assembly comprises two tensioning shafts which are arranged in parallel, a mounting plate and an adjusting assembly, the mounting plates are arranged at the two ends of the tensioning shafts, a rotating shaft which is rotatably connected with the frame is arranged on the mounting plate, the adjusting assembly is fixedly arranged at the front end of the frame and is connected with the rotating shaft of the mounting plate at the front end of the frame, and the tensioning degree of the electric heating film can be adjusted through the adjusting assembly when the electric heating film is coated through the design, so that the electric heating film is effectively prevented from being too loose, and uneven coating is caused.

Preferably, the adjusting component comprises a shell, a driving gear, a driven gear and an adjusting handle, wherein the driving gear, the driven gear and the adjusting handle are arranged in the shell, the shell is fixedly arranged at the front end of the frame, a rotating shaft of the adjusting handle is rotatably arranged at the shell, the driven gear is arranged at the front end of the frame and is arranged on a rotating shaft of the mounting plate, the driving gear is arranged on the rotating shaft of the adjusting handle and is meshed with the driven gear, and the rotating angle of the two tensioning shafts can be adjusted through the design so as to conveniently adjust the tensioning degree of the electrothermal film.

Preferably, the adjusting component further comprises a locking component for locking the driving gear, the locking component is arranged at the top of the shell, and the adjusting component can be conveniently locked when the electric heating film is loosely adjusted in the coating process through the design, so that the tensioning shaft is prevented from rotating during coating to influence the coating effect.

Preferably, the locking assembly adopts a knob plunger pin, the plunger end of the knob plunger pin is provided with an insertion body matched with the tooth shape of the driving gear, and the plunger is inserted into the tooth of the driving gear through the shell. This design achieves a locking of the tensioning shaft after the slack adjustment.

Preferably, two positioning rods are arranged on the handle of the knob plunger pin, the two positioning rods are arranged in a central symmetry mode, two positioning holes matched with the positioning rods are formed in the top of the shell of the knob plunger pin, and positioning during operation of the knob plunger pin can be achieved through the design.

Preferably, a transition roller is further arranged between the adjusting component and the coating roller set, and the transition roller set is rotatably arranged on the frame, so that a transition transmission effect can be achieved through the design.

Preferably, a bracket is mounted at the rear end of the frame, a motor is mounted on the bracket, the output end of the motor is connected with the coating roller set, a transmission assembly is arranged between roller shafts of the coating roller set, and preferably, the transmission assembly is in belt wheel transmission. By this design, unreeling and coating speed matching can be achieved.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the adjusting assembly is arranged, so that the tensioning shaft can be adjusted to control the fixed tightness degree of the electrothermal film during coating, and the effect of coating can be prevented from being influenced by too loose roller shafts.

Drawings

FIG. 1 is a schematic view of the overall left-hand perspective structure of the present utility model;

FIG. 2 is a schematic diagram of the overall right-view perspective of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is a side view of the discharge end of the present utility model;

FIG. 5 is a side view of the feed end of the present utility model;

FIG. 6 is a schematic view of the structure of the adjusting assembly of the present utility model;

FIG. 7 is an exploded view of the adjustment assembly of the present utility model;

FIG. 8 is an enlarged view of the utility model at A;

fig. 9 is an enlarged view of the utility model at B.

In the figure: 1. a frame; 2. a coating roller set; 3. an unreeling roller; 4. a tensioning shaft; 5. a mounting plate; 6. a rotating shaft; 7. a housing; 8. a drive gear; 9. a driven gear; 10. an adjusting handle; 11. knob plunger pin; 111. a positioning rod; 112. positioning holes; 12. a transition roller set; 13. a bracket; 14. and a motor.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-9, the utility model provides a tensioning structure of a coating machine, which comprises a frame 1, a coating roller set 2 and an unwinding roller 3 rotatably mounted on the frame 1, wherein the unwinding roller 3 is mounted at the front end of the coating roller set 2, the tensioning structure further comprises a tensioning assembly arranged between the coating roller set 2 and the unwinding roller 3, the tensioning assembly comprises two tensioning shafts 4 which are arranged in parallel, mounting plates 5 and adjusting assemblies which are arranged at two ends of the tensioning shafts 4, a rotating shaft 6 which is rotatably connected with the frame 1 is arranged on the mounting plates 5, the adjusting assemblies are fixedly mounted at the front end of the frame 1 and are connected with the rotating shaft 6 of the mounting plates 5 at the front end of the frame 1, when an electrothermal film is coated, the tensioning degree of the electrothermal film can be adjusted through the adjusting assemblies, so that coating is uneven, a transition roller is further arranged between the adjusting assemblies and the coating roller set 2, the transition roller set 12 is rotatably mounted on the frame 1, the tensioned electrothermal film can be conveniently transited to the coating roller set, a rear end of the frame 1 is provided with a bracket 13, a transmission roller set 14 is mounted on the rear end of the frame 1, and the transmission roller set is connected with the transmission roller set 14, and the transmission roller set is connected with the transmission roller set 2, and the transmission roller set is matched with the transmission roller set.

Referring to fig. 2-9, the adjusting assembly comprises a housing 7, a driving gear 8, a driven gear 9 and an adjusting handle 10, wherein the driving gear 8, the driven gear 9 and the adjusting handle 10 are arranged in the housing 7, the housing 7 is fixedly installed at the front end of the frame 1, a rotating shaft of the adjusting handle 10 is rotatably installed in the housing 7, the driven gear 9 is arranged at the front end of the frame 1 and is arranged on the rotating shaft 6 of the mounting plate 5, the driving gear 8 is arranged on the rotating shaft of the adjusting handle 10 and is meshed with the driven gear 9, the rotation angle of two tensioning shafts can be adjusted so as to adjust the tensioning degree of an electrothermal film, the adjusting assembly further comprises a locking assembly used for locking the driving gear 8, the locking assembly is arranged at the top of the housing 7, the locking assembly can be conveniently locked when the adjusting assembly loosens and adjusts the electrothermal film, the coating effect of the tensioning shaft is prevented from being influenced by rotation of the knob plunger pins 11, the plunger ends of the knob plunger pins 11 are arranged as matched with the driving gear 8, and the plunger pins 7 penetrate through the rotating shaft 8 and are inserted into the rotating shafts, and two positioning pins 111 are symmetrically arranged on the two positioning rods 111 when the two positioning rods 111 are arranged at the top of the two positioning rods 111.

Embodiment one:

when the electrothermal film needs to be coated, firstly, the electrothermal film to be coated is drawn out from the unreeling roller 3 and then passes through the tensioning shaft 4 on the tensioning assembly, then the knob plunger pin 11 is pulled outwards, the positioning rod 111 is drawn out from the positioning hole 112, then the 90-degree positioning rod 111 is rotated to be fixed with the top of the knob plunger pin 11, the plunger in the knob plunger pin 11 is separated from the rectangular teeth of the driving gear 8 at the moment, the electrothermal film passes through the transition roller set 12 and finally passes through the coating roller set 2, then the driving gear 8 is driven to rotate by rotating the adjusting handle 10, meanwhile, the driving gear 8 drives the driven gear 9 to enable the rotating shaft 6 to drive the tensioning shaft 4 on the mounting plate 5 to rotate horizontally, so that the tightness degree of the electrothermal film clamping is controlled, the electrothermal film is prevented from being excessively loosened to displace, the coating is uneven when the coating is performed, the coating quality of the electrothermal film is affected, the positioning rod 111 on the knob plunger pin 11 is retracted into the positioning hole 112 after the tightness degree of the tensioning is adjusted, the plunger and the plunger is limited and fixed with the driving gear 8, the tooth socket adjusting assembly can conveniently pass through the transition roller set 12, the tensioning assembly is locked in the coating film, the tensioning motor is prevented from being driven to rotate by the first belt pulley set 14 when the tensioning motor is controlled, and finally, the first belt pulley is driven to rotate and the coating roller is prevented from being driven to rotate and the coating roller set to be driven to start to rotate, and finally, the step is coated to be a step coated.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims

1. The utility model provides a tensioning texture of coating machine, includes frame (1) and rotate install in coating roller group (2) and unreeling roller (3) on frame (1), unreeling roller (3) install in the front end of coating roller group (2), its characterized in that: the coating machine is characterized by further comprising a tensioning assembly arranged between the coating roller set (2) and the unreeling roller (3), wherein the tensioning assembly comprises two tensioning shafts (4) which are arranged in parallel, a mounting plate (5) and an adjusting assembly, wherein the mounting plate (5) is arranged at two ends of the tensioning shafts (4), a rotating shaft (6) which is rotationally connected with the machine frame (1) is arranged on the mounting plate (5), and the adjusting assembly is fixedly arranged at the front end of the machine frame (1) and is connected with the rotating shaft (6) of the mounting plate (5) at the front end of the machine frame (1).

2. The tensioning structure of a coater according to claim 1, wherein: the adjusting component comprises a shell (7), a driving gear (8), a driven gear (9) and an adjusting handle (10), wherein the driving gear (8) and the driven gear (9) are arranged in the shell (7), the shell (7) is fixedly installed at the front end of the frame (1), a rotating shaft of the adjusting handle (10) is rotatably installed in the shell (7), the driven gear (9) is arranged at the front end of the frame (1) on the rotating shaft (6) of the mounting plate (5), and the driving gear (8) is arranged on the rotating shaft of the adjusting handle (10) and is meshed with the driven gear (9).

3. A tensioning structure for a coater according to claim 2, wherein: the adjusting assembly further comprises a locking assembly for locking the driving gear (8), and the locking assembly is arranged at the top of the shell (7).

4. A tensioning structure for a coater according to claim 3, wherein: the locking assembly adopts a knob plunger pin (11), the plunger end part of the knob plunger pin (11) is provided with an insertion body matched with the tooth shape of the driving gear (8), and the plunger penetrates through the shell (7) and is inserted into the tooth of the driving gear (8).

5. The tensioning mechanism for a coater according to claim 4, wherein: the knob plunger pin is characterized in that two positioning rods (111) are arranged on a handle of the knob plunger pin (11), the two positioning rods (111) are arranged in a central symmetry mode, and two positioning holes (112) matched with the positioning rods (111) are formed in the top of a shell (7) of the knob plunger pin (11).

6. The tensioning structure of a coater according to claim 1, wherein: a transition roller set (12) is further arranged between the adjusting assembly and the coating roller set (2), and the transition roller set (12) is rotatably installed on the frame (1).

7. The tensioning structure of a coater according to claim 1, wherein: the coating machine is characterized in that a support (13) is arranged at the rear end of the frame (1), a motor (14) is arranged on the support (13), the output end of the motor (14) is connected with the coating roller set (2), and a transmission assembly is arranged between roller shafts of the coating roller set (2).

8. The tensioning mechanism of a coater according to claim 7, wherein: the transmission component is a belt wheel transmission.