Gun adjusting structure of coating machine

Abstract

The utility model provides a gun adjusting structure of a coating machine, the coating machine is provided with an adjusting port for a spray gun assembly to enter or pull out of a coating roller, the gun adjusting structure comprises a spray gun pull rod installed on the coating machine in a sliding manner, an operating door connected with the spray gun pull rod, and the spray gun assembly connected with the adjusting assembly of the operating door, the operating door is provided with a closing position where the adjusting opening is closed along with displacement of the spray gun pull rod and the spray gun assembly extends into the coating roller, and the operating door is provided with an opening position where the adjusting opening is opened along with displacement of the spray gun pull rod and the spray gun assembly can enter or be pulled out of the coating roller; the adjusting assembly comprises an adjusting handle located on the outer side of the operation door, an output shaft of the adjusting handle directly or indirectly drives the spray gun assembly, and when the operation door is located at the closing position, a worker can adjust the position or angle of the spray gun assembly from the outside through the adjusting handle; for example, the adjusting handle adjusts the angle and the stretching position of the spray gun by driving the spray gun assembly to rotate or stretch out and draw back.

Description

Technical Field

[0001] The utility model relates to the technical field of coating machines, in particular to a gun adjusting structure of a coating machine. Background Art

[0002] The coating machine is an efficient, energy-saving, safe and clean mechatronic equipment that can coat tablets, pills, candies, etc. with organic film, water-soluble film, slow-release and controlled-release coatings. The spray gun is set on the spray gun stand, and the spray gun stand is set on the coating machine. In the actual use of the coating machine, due to different loading amounts, the distance between the tablet bed formed by the tablets and the spray gun is also inconsistent. In order to ensure the best coating effect, the spray gun needs to be adjusted each time to ensure that the distance is the best spray distance. However, the current spray gun stand equipped with a spray gun is difficult to meet the needs of different heights and angles, so a spray gun stand that is easy to adjust to various positions is needed.

[0003] At present, most of the coating machines on the market that can adjust the spray gun are welded one-piece coating machines, while the assembled coating machines can only pull the spray gun out of the drum for adjustment, and cannot make the spray gun directly adjusted in the coating drum; previously, the applicant designed a multifunctional spray gun rack structure for a coating machine (CN218637736U), including a spray gun rack and a spray gun, the spray gun is arranged on the spray gun rack, including a longitudinal block, an adjusting rod and a transverse block, the spray gun rack is fixedly arranged on the longitudinal block, the longitudinal block is slidably arranged on the adjusting rod, and a fixing mechanism for fixing the longitudinal block to the adjusting rod is detachably arranged on the longitudinal block, the transverse block is arranged on the adjusting rod, and an installation clamp for installation and clamping is fixedly arranged on the transverse block, and the installation clamp is used to clamp the installation shaft of the coating machine, a limit block is arranged at one end of the adjusting rod, and the limit block is located on the moving track of the longitudinal block, and the longitudinal block is located between the limit block and the transverse block.

[0004] In this context, the applicant further designed an assembled automatic gun adjustment coating machine, the automatic gun adjustment structure of which includes an operating door that cooperates with the spray gun pull rod, the operating door is connected to the spray gun assembly, and the spray gun in the coating machine drum is adjusted from the outside through an adjustment mechanism arranged on the operating door; the inventor designed the operating door structure to make it have good practicality and realize external gun adjustment of the coating machine. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and to provide a gun adjustment structure for a coating machine. The technical solution adopted by the utility model is as follows:

[0006] A gun adjustment structure of a coating machine, wherein the coating machine is provided with an adjustment port for a spray gun assembly to enter or be pulled out of a coating drum, the gun adjustment structure comprises a spray gun pull rod slidably mounted on the coating machine, an operating door connected to the spray gun pull rod, and a spray gun assembly connected to the operating door, the spray gun assembly is connected to the adjustment assembly on the operating door, and the operating door has a closed position in which the adjustment port is closed as the spray gun pull rod is displaced, allowing the spray gun assembly to extend into the coating drum, and the operating door has an open position in which the adjustment port is opened as the spray gun pull rod is displaced, allowing the spray gun assembly to enter or be pulled out of the coating drum; the adjustment assembly comprises an adjustment handle located outside the operating door (referring to a side away from the spray gun assembly and the adjustment port), and an output shaft of the adjustment handle directly or indirectly drives the spray gun assembly.

[0007] Preferably, the adjustment assembly also includes an input shaft connected to the adjustment handle, the input shaft is connected to the output shaft through a harmonic reducer, the output shaft is connected to the spray gun connecting rod, the adjustment handle rotates to drive the reducer, and the torque is transmitted to the output shaft to the spray gun connecting rod to achieve the effect of angle adjustment.

[0008] Preferably, a transparent mirror window is provided on the outer side of the operating door; the mirror window is hinged to the operating door and can be opened and closed relative to the operating door; the position of the spray gun in the coating drum can be checked through the mirror window; or when the operating door is a box structure, the internal structure can be inspected by opening the mirror window.

[0009] Preferably, the mirror window is provided with a mirror handle, and the mirror handle drives the mirror window to open to a side away from the adjustment handle.

[0010] Preferably, the operating door is a box structure, and the adjusting handle is connected to the spray gun assembly through a deceleration structure or a torque conversion structure (referring to a conversion structure that converts the force input by rotating or pulling the adjusting handle into other forms or magnitudes of force, such as gears, etc.) inside the operating door box.

[0011] Preferably, a locking handle is provided on the input shaft of the adjusting handle, and the locking handle controls whether the adjusting handle can drive the adjusting assembly; the locking handle can lock the adjusting handle or the input shaft by controlling a clamp or a locating pin, and this locking structure is a prior art in the cooperation between the handwheel and the input shaft and will not be elaborated here.

[0012] Preferably, the operating door is slidably and / or rotatably connected to the spray gun pull rod via a connecting rod.

[0013] Preferably, the spray gun assembly comprises a spray gun connecting rod and a spray gun body mounted on the spray gun connecting rod, and the spray gun connecting rod is connected to the adjustment assembly.

[0014] Preferably, the spray gun connecting rod is connected to the spray gun body through a cylinder or an electric push rod, and a position sensor is arranged between the spray gun body and the spray gun connecting rod, the cylinder or electric push rod, the position sensor and the control center signal on the operating door are connected, and a control panel of the operating control center is arranged on the outer surface of the operating door; for example, the wires are connected through wires, and the wires pass through the inside of the spray gun connecting rod and are connected to the control center on the operating door, and the control panel receives and adjusts the control center so that it performs signal control on the cylinder or electric push rod and the position sensor.

[0015] The beneficial effects of the utility model are as follows: in the device, the output shaft of the adjustment handle located on the outside of the operating door directly or indirectly drives the spray gun assembly. When the operating door is in the closed position, the staff can adjust the position or angle of the spray gun assembly from the outside by adjusting the handle; for example, the adjustment handle adjusts the angle of the spray gun by driving the spray gun assembly to rotate, or the adjustment handle changes the extension position of the spray gun assembly by rotating or pushing and pulling, or has both rotation and push-pull adjustment methods to change the angle and extension position of the gun assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still belong to the scope of the utility model.

[0017] Figure 1 This is a schematic diagram of the outer structure of the operating door of Example 1;

[0018] Figure 2 A cross-sectional view of the operating door of Embodiment 1;

[0019] Figure 3 A side view of the operating door of Embodiment 1;

[0020] Figure 4 This is a schematic diagram of the state when the spray gun bracket drives the spray gun assembly into the coating drum and the operating door is closed;

[0021] Figure 5 This is a schematic diagram of the spray gun bracket being pulled out and the operating door being opened;

[0022] In the figure, 1-spray gun pull rod, 11-double slider, 12-guide rail, 13-support wheel, 2-operating door, 21-mirror window, 211-mirror handle, 201-connecting rod, 2011-sliding bearing, 3-adjusting handle, 31-input shaft, 32-output shaft, 33-locking handle, 34-connecting nozzle, 4-spray gun assembly, 41-spray gun connecting rod, 42-spray gun body, 5-coating drum, 6-harmonic reducer. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.

[0024] The directions and positions mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., are only for reference to the directions or positions of the drawings. Therefore, the directions and positions used are used to explain and understand the present invention, but not to limit the scope of protection of the present invention.

[0025] Example 1

[0026] like Figure 1-5 As shown, a gun adjustment structure of a coating machine is provided on the coating machine, and an adjustment port for a spray gun assembly to enter or be pulled out of a coating drum 5 is provided on the coating machine, and the gun adjustment structure comprises a spray gun pull rod 1 slidably mounted on the coating machine, an operating door 2 connected to the spray gun pull rod, and a spray gun assembly connected to the operating door 2; the spray gun pull rod 1 is slidably matched with a guide rail 12 on the coating machine through a double slider 11; the spray gun assembly is connected to the adjustment assembly on the operating door 2, and the operating door 2 has a closed position in which the adjustment port is closed as the spray gun pull rod 1 moves, so that the spray gun assembly is extended into the coating drum 5, and the operating door 2 has an open position in which the adjustment port is opened as the spray gun pull rod 1 moves, so that the spray gun assembly 4 can enter or be pulled out of the coating drum 5; the adjustment assembly comprises an adjustment handle 3 located outside the operating door 2, and the output shaft of the adjustment handle 3 is connected to the spray gun assembly.

[0027] The adjustment assembly further includes an input shaft 31 connected to the adjustment handle 3 , and the input shaft 31 is connected to the output shaft 32 via a harmonic reducer 4 .

[0028] A transparent mirror window 21 is provided on the outer side of the operating door 2 ; the mirror window 21 is hinged to the operating door 2 and can be opened and closed relative to the operating door 2 ; the position of the spray gun in the coating drum 5 can be checked through the mirror window 21 .

[0029] Furthermore, the mirror window 21 is provided with a mirror handle 211, and the mirror handle 211 drives the mirror window 21 to open to a side away from the adjustment handle 3; Figure 2The mirror window 21 is hinged to the left side of the operating door 2 and can be opened to the left relative to the operating door 2 through the mirror handle 211.

[0030] The operating door 2 is a box structure, the adjusting handle 3 is connected to the spray gun assembly through the harmonic reducer 6 in the box of the operating door 2, and the box structure is provided with a connecting nozzle 34 to connect to an external line or pipeline.

[0031] A locking handle 33 is provided on the input shaft of the adjusting handle 3 , and the locking handle 33 controls whether the adjusting handle 3 can drive the adjusting assembly.

[0032] The operating door 2 is slidably and rotatably connected to the spray gun pull rod 1 through a connecting rod 201, a rotating bearing and a sliding bearing 2011 are arranged in cooperation with the connecting rod, and a supporting wheel 13 is arranged at one end of the slide rail 11 close to the connecting rod 201, and the connecting rod 201 is arranged vertically to the spray gun pull rod.

[0033] The spray gun assembly includes a spray gun connecting rod 41 and a spray gun body 42 mounted on the spray gun connecting rod 41 , and the spray gun connecting rod 41 is connected to the adjustment assembly.

[0034] The spray gun connecting rod 41 is connected to the spray gun body 42 through a cylinder or an electric push rod, and a laser sensor is arranged between the spray gun body 42 and the spray gun connecting rod 41. The cylinder or electric push rod and the position sensor are connected to the control center signal on the operating door 2. A control panel of the operation control center is arranged on the outer surface of the operating door 2; for example, the wires are connected through the inside of the spray gun connecting rod 41 and connected to the control center on the operating door 2. The control panel receives and adjusts the control center so that it can perform signal control on the cylinder or electric push rod and the position sensor.

[0035] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A gun adjustment structure of a coating machine, wherein the coating machine is provided with an adjustment port for the spray gun assembly to enter or be pulled out of the coating drum (5), characterized in that: The gun adjustment structure comprises a spray gun pull rod (1) slidably mounted on the coating machine, an operating door (2) connected to the spray gun pull rod, and a spray gun assembly connected to the adjustment assembly on the operating door (2), wherein the operating door (2) has a closed position in which the spray gun pull rod (1) is displaced so that the spray gun assembly extends into the coating drum (5) and thereby closes the adjustment opening, and the operating door (2) has an open position in which the spray gun pull rod (1) is displaced so that the adjustment opening is opened and the spray gun assembly (4) can enter or be pulled out of the coating drum (5); The adjustment assembly comprises an adjustment handle (3) located outside the operating door (2), and an output shaft of the adjustment handle (3) directly or indirectly drives the spray gun assembly.

2. The gun adjustment structure of a coating machine according to claim 1, characterized in that: The adjustment assembly further comprises an input shaft (31) connected to the adjustment handle (3), and the input shaft (31) is connected to the output shaft (32) via a harmonic reducer (6).

3. The gun adjustment structure of a coating machine according to claim 1, characterized in that: A transparent mirror window (21) is provided on the outer side of the operating door (2).

4. The gun adjustment structure of a coating machine according to claim 1, characterized in that: The operating door (2) is a box structure, and the adjusting handle (3) is connected to the spray gun assembly via a deceleration structure or a torque conversion structure in the box of the operating door (2).

5. The gun adjustment structure of a coating machine according to claim 3, characterized in that: The mirror window (21) is hinged to the operating door (2) and can be opened and closed relative to the operating door (2).

6. The gun adjustment structure of a coating machine according to claim 5, characterized in that: The mirror window (21) is provided in cooperation with a mirror handle (211), and the mirror handle (211) drives the mirror window (21) to open toward a side away from the adjustment handle (3).

7. A gun adjustment structure for a coating machine according to any one of claims 1 to 6, characterized in that: A locking handle (33) is provided on the input shaft of the adjusting handle (3), and the locking handle (33) controls whether the adjusting handle (3) can drive the adjusting component.

8. The gun adjustment structure of a coating machine according to claim 1, characterized in that: The operating door (2) is slidably and / or rotatably connected to the spray gun pull rod (1) via a connecting rod (201).

9. The gun adjustment structure of a coating machine according to any one of claims 1 to 6, characterized in that: The spray gun assembly comprises a spray gun connecting rod (41) and a spray gun body (42) mounted on the spray gun connecting rod (41), and the spray gun connecting rod (41) is connected to the adjustment assembly.

10. The gun adjustment structure of a coating machine according to claim 9, characterized in that: The spray gun connecting rod (41) is connected to the spray gun body (42) via a cylinder or an electric push rod, and a position sensor is arranged between the spray gun body (42) and the spray gun connecting rod (41). The cylinder or the electric push rod and the position sensor are connected to the control center signal on the operating door (2), and a control panel of the operation control center is arranged on the outer surface of the operating door (2).

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