Safety protection device of coating machine

Abstract

The utility model discloses a safety protection device of a coating machine, which relates to the field of coating machines and comprises a support, a driving motor for providing power for rotation of a coating roller is mounted on the outer wall of the support, and the coating roller and a transmission mechanism arranged on the support and the coating roller are rotatably connected to the outer wall of the support. The transmission mechanism comprises a limiting unit and an alarm unit; and the alarm unit is used for carrying out alarm operation after the foreign matters enter the space between the coating rollers. By arranging the transmission mechanism, when the coating rollers and foreign matters are clamped between the coating rollers, the upper coating roller is stressed to move upwards under the action of the foreign matters, so that the movable rod is synchronously jacked up to move upwards to be in contact with the alarm button and give an alarm, and meanwhile, the limiting block is clamped below the head of the movable rod under the action of the propping block, so that the upper coating roller is prevented from moving upwards. Falling-back of the movable rod and the upper coating roller is limited, so that a space for foreign matter to pass through is reserved between the upper synchronous roller and the lower synchronous roller, damage to the coating rollers is reduced, and safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coating machine, concretely is a safety device of coating machine. BACKGROUND

[0002] The coating machine is mainly used for the surface coating process production of film, paper and the like, the machine is coated with a layer of glue, paint or ink etc. with specific function to the base material in roll, and after drying, it is cut into pieces or rolled, it adopts the special multifunctional coating head, and can realize the surface coating production of various forms.

[0003] In the prior art, when the coating machine is used to coat the material, the coating roller rotates continuously to coat the material, when the foreign matter is stuck between the coating rollers, the foreign matter is stuck between the coating rollers, and the continuous rotation force increases the damage to the coating roller, resulting in production accidents and affecting the production efficiency, therefore, the utility model provides a safety device of coating machine. SUMMARY

[0004] The utility model discloses a safety device of coating machine, which solves the problems in the prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a safety device of coating machine, including support, the outer wall of support is installed for the drive motor of the power that coating roller rotates, the outer wall of support still rotates and is connected with the coating roller, sets up the transmission mechanism on support, coating roller,

[0006] The transmission mechanism includes a limiting unit and an alarm unit.

[0007] The alarm unit is used for alarming when the foreign matter enters between the coating rollers.

[0008] The limiting unit is used for limiting the height of the coating roller after moving.

[0009] As a further scheme of the utility model, the alarm unit includes a first gear, a second gear, a movable rod, a spring and an alarm button.

[0010] The first gear is fixedly connected to the outer wall of the lower coating roller shaft, and the first gear is used to drive the second gear to rotate.

[0011] The second gear is fixedly connected to the outer wall of the upper coating roller shaft, and the second gear is used to drive the other coating roller to rotate synchronously.

[0012] The movable rod is vertically slidably installed on the inner wall of the support, and the movable rod is used to give the alarm button extrusion force.

[0013] The spring is used for providing a pushing force for the movable rod to move downward all the time.

[0014] The alarm button is installed in the inside of the support and above the movable rod, and is used for starting the alarm to remind the worker.

[0015] As a further scheme of the utility model, the limiting unit comprises a limiting block, a resisting block and an elastic block.

[0016] The limiting block is axially slidably installed in the inside of the support and in contact with the outer wall of the head of the movable rod, and is used for providing limiting for the movable rod after moving.

[0017] The resisting block is vertically installed in the inside of the support, and is used for providing a pushing force for the axial movement of the limiting block.

[0018] The elastic block is connected at both ends to the bottom of the resisting block and the inner wall of the support, and is used for providing a pushing force for the upward movement of the resisting block.

[0019] As a further scheme of the utility model, the outer wall of the movable rod is in a whole "T" shape structure, and the inside of the support is formed with a sliding groove for the vertical movement of the movable rod.

[0020] As a further scheme of the utility model, the outer wall of the head of the movable rod is in an inclined state, and the movable rod is further provided with a pull rod fixed to the outside of the support.

[0021] As a further scheme of the utility model, the outer wall of the bottom of the resisting block in contact with the limiting block is in an inclined state, and the inside of the support is formed with a sliding groove for the vertical movement of the resisting block.

[0022] As a further scheme of the utility model, the inner wall of the movable rod is rotatably sleeved with the outer wall of the shaft of the coating roller through a rotating sleeve, and the number of the coating rollers is two, and the two coating rollers are distributed on the outer wall of the support in an up-down manner.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] When the coating rollers are blocked by foreign matters, the upper coating roller moves upward under the action of the foreign matters, thereby synchronously lifting the movable rod upward to contact the alarm button to send an alarm, and the limiting block is blocked under the action of the resisting block below the head of the movable rod to limit the falling of the movable rod and the upper coating roller, so that a space is reserved between the upper and lower coating rollers for the foreign matters to pass through, the damage to the coating rollers is reduced, and the safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1 It is a structural schematic view of the utility model;

[0026] Fig. 2 It is a structural schematic view of the transmission mechanism of the utility model;

[0027] Fig. 3 It is a local enlarged view of A of the utility model.

[0028] In the figure: 1, support; 2, drive motor; 3, coating roller; 4, transmission mechanism; 401, first gear; 402, second gear; 403, movable rod; 404, spring; 405, alarm button; 406, limit block; 407, abutment; 408, elastic block. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Please refer to Figs. 1-3 In the embodiments of the utility model, a safety protection device of a coating machine comprises a support 1, the outer wall of the support 1 is provided with a drive motor 2 for providing power for the rotation of a coating roller 3, the outer wall of the support 1 is also rotatably connected with the coating roller 3, and a transmission mechanism 4 is arranged on the support 1 and the coating roller 3.

[0031] The transmission mechanism 4 comprises a limiting unit and an alarm unit.

[0032] The alarm unit is used for alarm operation after foreign matters enter between the coating rollers 3.

[0033] The limiting unit is used for limiting the height after the coating roller 3 moves.

[0034] The alarm unit comprises a first gear 401, a second gear 402, a movable rod 403, a spring 404 and an alarm button 405.

[0035] The first gear 401 is fixedly connected to the outer wall of the shaft rod of the lower coating roller 3, and the first gear 401 is used for pushing the second gear 402 to rotate.

[0036] The second gear 402 is fixedly connected to the outer wall of the shaft rod of the upper coating roller 3, and the second gear 402 is used for synchronously driving the other coating roller 3 to rotate.

[0037] The movable rod 403 is vertically slidably installed on the inner wall of the support 1, and the movable rod 403 is used for giving extrusion force to the alarm button 405.

[0038] The spring 404 is clamped at both ends on the inner wall of the bracket 1 and the outer wall of the movable rod 403, and is used to provide a downward pushing force for the movable rod 403 at all times;

[0039] The alarm button 405 is installed inside the bracket 1 and directly above the movable rod 403, and is used to start an alarm to remind workers;

[0040] The limiting unit includes a limiting block 406, a resisting block 407, and an elastic block 408;

[0041] The limiting block 406 is axially slidably installed inside the bracket 1 and in contact with the outer wall of the head of the movable rod 403, and is used to provide a limit for the movable rod 403 after movement;

[0042] The resisting block 407 is vertically installed inside the bracket 1, and is used to provide a pushing force for the axial movement of the limiting block 406;

[0043] The elastic block 408 is connected at both ends to the bottom of the resisting block 407 and the inner wall of the bracket 1, and is used to provide an upward pushing force for the resisting block 407.

[0044] In this embodiment: when using the device, when a foreign object passes between the two coating rollers 3, the passing foreign object will give a reaction force to the upper coating roller 3 to make the coating roller 3 move upward under the force of the movable rod 403, the upward moving movable rod 403 will contact the bottom of the alarm button 405 to give the alarm button 405 a pressing force to make the alarm button 405 work, the working alarm button 405 will connect the external alarm to make it work, thereby reminding the workers, at the same time, the "T" shaped head of the upward moving movable rod 403 will also move upward synchronously, the limiting block 406 abutting against the outer wall of the movable rod 403 will be axially moved under the extrusion force from the elastic block 408 and the resisting block 407, until the limiting block 406 enters below the head of the movable rod 403, the top end plane of the limiting block 406 is in contact with the plane below the head of the movable rod 403, completing the height limiting of the movable rod 403, at this time, the first gear 401 and the second gear 402 will also be separated, the upper coating roller 3 will also stop working, and a gap for the foreign object to pass through is also reserved between the two coating rollers 3, reducing the damage of the foreign object to the coating roller 3, and further improving the safety.

[0045] Please refer to Figs. 1-3The outer wall of the movable rod 403 is in a "T" shape structure as a whole, the bracket 1 is internally formed with a sliding groove for vertical movement of the movable rod 403, the outer wall of the limiting block 406 close to the head of the movable rod 403 is in an inclined state, the movable rod 403 is further fixed with a pull rod to the outside of the bracket 1, the outer wall of the abutting block 407 in contact with the bottom of the limiting block 406 is in an inclined state, the bracket 1 is internally formed with a sliding groove for vertical movement of the abutting block 407, the inner wall of the movable rod 403 is rotatably sleeved with the outer wall of the shaft of the coating roller 3 through a rotating sleeve, the coating roller 3 is provided in two, and the two coating rollers 3 are distributed on the outer wall of the bracket 1 in an up-down manner.

[0046] In the embodiment, the elastic block 408 can drive the abutting block 407 to move upward synchronously to give the limiting block 406 an axial movement thrust when the movable rod 403 is extruded by the foreign matter and moves upward, and the inclined end surface of the limiting block 406 can more easily enter below the head of the movable rod 403 to limit the back-falling of the movable rod 403.

[0047] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A safety guard for a coating machine, comprising a support (1), a driving motor (2) for providing power for the rotation of a coating roller (3) is mounted on the outer wall of the support (1), and the coating roller (3) is rotatably connected to the outer wall of the support (1), characterized in that, The transmission mechanism (4) is arranged on the support (1) and the coating roller (3); The transmission mechanism (4) comprises a limiting unit and an alarm unit; The alarm unit is used for alarm operation after foreign matters enter between the coating rollers (3); The limiting unit is used for limiting the height of the coating roller (3) after movement; The alarm unit comprises a first gear (401), a second gear (402), a movable rod (403), a spring (404) and an alarm button (405); The first gear (401) is fixedly connected to the outer wall of the shaft rod of the lower coating roller (3), and is used for driving the second gear (402) to rotate; The second gear (402) is fixedly connected to the outer wall of the shaft rod of the upper coating roller (3), and is used for synchronously driving the other coating roller (3) to rotate; The movable rod (403) is vertically and slidably arranged on the inner wall of the support (1), and is used for giving the alarm button (405) extrusion force; The spring (404) is clamped at both ends to the inner wall of the support (1) and the outer wall of the movable rod (403), and is used for always providing the movable rod (403) with downward moving thrust; The alarm button (405) is arranged in the inner part of the support (1) and above the movable rod (403), and is used for starting alarm to remind workers.

2. A safety guard for a coater as claimed in claim 1, wherein The limiting unit comprises a limiting block (406), a resisting block (407) and an elastic block (408); The limiting block (406) is axially and slidably arranged in the inner part of the support (1) and in contact with the outer wall of the head of the movable rod (403), and is used for limiting the movable rod (403) after movement; The resisting block (407) is vertically arranged in the inner part of the support (1), and is used for providing the limiting block (406) with axial moving thrust; The elastic block (408) is connected at both ends to the bottom of the resisting block (407) and the inner wall of the support (1), and is used for providing the resisting block (407) with upward moving thrust.

3. A safety guard for a coater as claimed in claim 1, wherein The outer wall of the movable rod (403) is in overall "T" shape structure, and the inner part of the support (1) is formed with a sliding groove for vertical movement of the movable rod (403).

4. A safety guard for a coater as claimed in claim 2, wherein The outer wall of the limiting block (406) close to the head of the movable rod (403) is in inclined state, and the other end of the movable rod (403) is fixedly connected to a pull rod outside the support (1).

5. The safety guard of a coater according to claim 2, wherein The outer wall of the resisting block (407) in contact with the bottom of the limiting block (406) is in inclined state, and the inner part of the support (1) is formed with a sliding groove for vertical movement of the resisting block (407).

6. A safety guard for a coater as claimed in claim 2, wherein The inner wall of the movable rod (403) and the outer wall of the shaft rod of the coating roller (3) are rotatably sleeved through a rotating sleeve, and the number of the coating rollers (3) is two, and the two coating rollers (3) are arranged in up-down distribution on the outer wall of the support (1).

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