Drying device of screen printing machine

Abstract

The utility model discloses a screen printing machine drying device which comprises an infrared drying machine cabinet shell, a stepping motor is fixedly installed on the upper side of the interior of the infrared drying machine cabinet shell, an output shaft of the stepping motor is connected with a transmission rotating shaft through a coupler, and the outer surface of the transmission rotating shaft is fixedly sleeved with a first bevel gear. The two sides of the outer surface of the first bevel gear are each meshed with a second bevel gear, the axis of each second bevel gear is connected with a threaded rod, one side of the outer surface of each threaded rod is sleeved with an inner threaded sleeve in threaded connection with the threaded rod, and a concentric-square-shaped frame is fixedly arranged on the lower end face of each inner threaded sleeve. And a plurality of infrared lamps are fixedly mounted in the concentric-square-shaped frame. According to the utility model, when the infrared lamps break down and need to be maintained, all the infrared lamps can be automatically moved to the outside through the stepping motor, so that the convenience of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screen printing, in particular to a drying device for a screen printing machine. Background Art

[0002] Wire mesh, also known as wire mesh cloth or screen, is a mesh structure woven or welded by metal wire, synthetic fiber wire, natural fiber wire and other materials. It is divided into stainless steel wire mesh, galvanized wire mesh, nylon wire mesh and polyester wire mesh according to its raw materials.

[0003] The drying device of the screen printing machine is an important equipment used to accelerate the drying of ink during the screen printing process. The drying device of this screen printing machine usually adopts infrared or ultraviolet (UV) drying technology. When the screen passes through the illumination area at a certain speed under the conveyor belt, the drying effect can be achieved through infrared or ultraviolet irradiation.

[0004] However, the infrared or ultraviolet drying lamps on the drying device of the screen printing machine are fixedly installed inside the equipment. When the infrared or ultraviolet lamp fails to light up, it is necessary to flip the cabinet shell on the equipment as a whole or remove the cabinet protective shell to expose the infrared or ultraviolet lamp to the outside before replacing or repairing it. This operation is relatively cumbersome; therefore, it does not meet the existing needs. In this regard, we propose a drying device for a screen printing machine. Utility Model Content

[0005] The purpose of the utility model is to provide a drying device for a screen printing machine, so as to solve the problem raised in the above-mentioned background art that the infrared or ultraviolet drying lamps on the drying device of the screen printing machine are fixedly installed inside the device. When the infrared or ultraviolet lamp fails and cannot be lit, it is necessary to flip the cabinet shell on the device as a whole or remove the cabinet protective shell to expose the infrared or ultraviolet lamp to the outside, so that it can be replaced or repaired, and this operation is relatively cumbersome.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a drying device for a screen printing machine, comprising an infrared drying cabinet shell, a stepping motor fixedly mounted on the upper side of the interior of the infrared drying cabinet shell, the output shaft of the stepping motor being connected to a transmission shaft via a coupling, a first bevel gear fixedly sleeved on the outer surface of the transmission shaft, a second bevel gear meshed on both sides of the outer surface of the first bevel gear, a threaded rod connected to the axis of the second bevel gear, an internal threaded sleeve threadedly connected to the threaded rod on one side of the outer surface of the threaded rod, a circular frame fixedly mounted on the lower end surface of the internal threaded sleeve, and a plurality of infrared lamps fixedly mounted inside the circular frame.

[0007] Preferably, a base is fixedly provided on the lower end surface of the infrared drying cabinet shell, and a conveyor belt is installed inside the base.

[0008] Preferably, an isolation cloth is fixedly provided on one side of the lower end surface of the circular frame, and the lower end surface of the isolation cloth is in contact with the upper end surface of the conveyor belt.

[0009] Preferably, the upper end surface of the circular frame is in contact with the lower end surface of the infrared drying cabinet shell, and the circular frame and the infrared drying cabinet shell are slidably connected.

[0010] Preferably, a strip plate is fixedly provided on one side of the upper end surface of the two circular frames, and a metal reinforcement strip plate is fixedly provided on the opposite surfaces of the two strip plates. The outer side of the metal reinforcement strip plate is provided with a strip groove located inside the outer shell of the infrared drying cabinet shell, the outer surface of the metal reinforcement strip plate is in contact with the inner wall of the strip groove, and the metal reinforcement strip plate is slidably connected to the strip groove.

[0011] Preferably, an electromagnet is fixedly mounted on one side of the inner portion of the strip groove, the surface of the electromagnet facing the metal reinforcement strip plate is in contact with the metal reinforcement strip plate, and the electromagnet is electrically connected to the infrared drying cabinet shell.

[0012] Preferably, a circular metal cover plate is provided above the stepping motor and is located on the upper end surface of the infrared drying cabinet shell, and the infrared drying cabinet shell and the circular metal cover plate are fixed by screws.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model can synchronously move two circular frames outward or inward through a stepper motor. When the circular frames move outward, the infrared lamps fixed inside the circular frames will also move outward synchronously, so that they are exposed to the outside world. Through the above technical solution, when the infrared lamps fail and need to be repaired, the stepper motor can automatically move all the infrared lamps to the outside world, thereby improving the convenience of the equipment.

[0015] 2. In the present invention, after the maintenance of the infrared lamp is completed, the two circular frames are moved inward by a stepping motor to recycle the infrared lamp. The metal reinforcing strip plate fixed on the strip plate on the upper end surface of the circular frame will be inserted into the strip groove located inside the infrared drying cabinet shell as the circular frame moves. The metal reinforcing strip plate and the strip groove in the above technical solution can lift the front end of the first circular frame and the rear end of the second circular frame from left to right, thereby reducing the rate of fatigue of the circular frame itself during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is the main view of the internal structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 A magnified view of the structure at point A;

[0019] Figure 4 For this utility model Figure 2 A magnified view of the structure at point B.

[0020] In the figure: 1. Base; 2. Conveyor belt; 3. Infrared drying cabinet; 4. Stepper motor; 5. Transmission shaft; 6. First bevel gear; 7. Second bevel gear; 8. Threaded rod; 9. Internally threaded sleeve; 10. Reciprocating frame; 11. Infrared lamp; 12. Isolation cloth; 13. Strip plate; 14. Metal reinforcement strip plate; 15. Strip groove; 16. Electromagnet. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] The conveyor belt 2 (model FZ06), the stepper motor 4 (model DM542) and the infrared lamp 11 (model GENKODA) mentioned in the present invention can be purchased from the market or obtained through private customization.

[0023] See also Figures 1 to 4 The utility model provides an embodiment of a screen printing drying device, comprising a base 1, a stepping motor 4 is fixedly installed on the upper side of the infrared drying cabinet shell 3, the output shaft of the stepping motor 4 is connected to the transmission shaft 5 through a coupling, the outer surface of the transmission shaft 5 is fixedly sleeved with a first bevel gear 6, both sides of the outer surface of the first bevel gear 6 are meshed with a second bevel gear 7, the axis of the second bevel gear 7 is connected to a threaded rod 8, one side of the outer surface of the threaded rod 8 is sleeved with an internal threaded sleeve 9 threadedly connected to it, the lower end surface of the internal threaded sleeve 9 is fixedly provided with a circular frame 10, and a plurality of infrared lamps 11 are fixedly installed inside the circular frame 10; when one of the infrared lamps 11 fails and needs to be repaired, the stepping motor 4 is started, and the stepping motor 4 can drive the transmission shaft 5 connected thereto and the first bevel gear 6 fixedly sleeved on the outer surface of the transmission shaft 5 to rotate, and the rotating first bevel gear 6 can drive the two second bevel gears 7 meshed therewith and the threaded rod 8 connected to the axis of the second bevel gear 7 to rotate;

[0024] The upper end surface of the circular frame 10 is fitted with the lower end surface of the infrared drying cabinet shell 3, and the circular frame 10 is slidably connected to the infrared drying cabinet shell 3; since the internal threaded sleeve 9 sleeved on the outer surface of the threaded rod 8 is fixed to the circular frame 10, the internal threaded sleeve 9 itself cannot rotate. When the threaded rod 8 rotates, the internal threaded sleeve 9, which is threadedly connected to it but cannot rotate itself, will move along the threaded rod 8. At this time, the two internal threaded sleeves 9 are moved outward synchronously. During the movement of the internal threaded sleeve 9, the circular frame 10 fixed thereto and the infrared lamp 11 fixedly installed inside the circular frame 10 will move outward together. As the infrared lamp 11 moves, the infrared lamp 11 will be exposed to the outside world. Through the above technical solution, when the infrared lamp 11 fails and needs to be repaired, all the infrared lamps 11 can be automatically moved to the outside world by the stepping motor 4, thereby improving the convenience of the equipment.

[0025] A strip plate 13 is fixed on one side of the upper end surface of the two circular frames 10, and a metal reinforcement strip plate 14 is fixed on the opposite surface of the two strip plates 13. The outer side of the metal reinforcement strip plate 14 is provided with a strip groove 15 located inside the outer shell of the infrared drying cabinet shell 3. The outer surface of the metal reinforcement strip plate 14 fits the inner wall of the strip groove 15, and the metal reinforcement strip plate 14 is slidably connected to the strip groove 15. When the maintenance of the infrared lamp 11 is completed, the two circular frames 10 are moved inward by the stepping motor 4. When the infrared lamp 11 is retracted, the metal reinforcing strip plate 14 fixed on the strip plate 13 on the upper end surface of the circular frame 10 will be inserted into the strip groove 15 located inside the infrared drying cabinet shell 3 as the circular frame 10 moves. The metal reinforcing strip plate 14 and the strip groove 15 in the above technical solution can lift the front end of the first circular frame 10 and the rear end of the second circular frame 10 from left to right, thereby reducing the speed of fatigue of the circular frame 10 itself during long-term use.

[0026] An electromagnet 16 is fixedly installed on one side of the strip groove 15. The surface of the electromagnet 16 facing the metal reinforcement strip plate 14 is in contact with the metal reinforcement strip plate 14, and the electromagnet 16 is electrically connected to the infrared drying cabinet shell 3. When the metal reinforcement strip plate 14 is fully inserted into the strip groove 15, the electromagnet 16 is started to generate magnetic force to adsorb and fix the metal reinforcement strip plate 14. By adsorbing and fixing the metal reinforcement strip plate 14, the circular frame 10 can be prevented from moving outward without authorization.

[0027] A base 1 is fixedly provided on the lower end surface of the infrared drying cabinet shell 3, and a conveyor belt 2 is installed inside the base 1; an insulating cloth 12 is fixedly provided on one side of the lower end surface of the circular frame 10, and the lower end surface of the insulating cloth 12 is in contact with the upper end surface of the conveyor belt 2; when the equipment needs to be used to dry the silk screen, all the infrared lamps 11 are started, the silk screen is placed on the conveyor belt 2, and then the conveyor belt 2 is started to pass through the insulating cloth 12 and enter the interior of the infrared drying cabinet shell 3. During the movement of the silk screen inside the infrared drying cabinet shell 3, it is dried by the irradiation of the infrared lamp 11.

[0028] A circular metal cover is provided above the stepper motor 4 and is located on the upper end surface of the infrared drying cabinet shell 3, and the infrared drying cabinet shell 3 and the circular metal cover are fixed by screws; the circular metal cover can protect the stepper motor 4, and when the stepper motor 4 fails, the circular metal cover can be removed to repair the stepper motor 4.

[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A screen printing machine drying device, comprising an infrared drying cabinet (3), characterized in that: A stepper motor (4) is fixedly mounted on the upper side of the interior of the infrared drying cabinet shell (3); the output shaft of the stepper motor (4) is connected to a transmission shaft (5) via a coupling; a first bevel gear (6) is fixedly sleeved on the outer surface of the transmission shaft (5); a second bevel gear (7) is meshed on both sides of the outer surface of the first bevel gear (6); a threaded rod (8) is connected to the axis of the second bevel gear (7); an internal threaded sleeve (9) threadedly connected to the threaded rod (8) is sleeved on one side of the outer surface of the threaded rod (8); a circular frame (10) is fixedly mounted on the lower end surface of the internal threaded sleeve (9); a plurality of infrared lamps (11) are fixedly mounted inside the circular frame (10).

2. The drying device of a screen printing machine according to claim 1, characterized in that: A base (1) is fixedly provided on the lower end surface of the infrared drying cabinet shell (3), and a conveyor belt (2) is installed inside the base (1).

3. The drying device of a screen printing machine according to claim 2, characterized in that: An insulating cloth (12) is fixedly provided on one side of the lower end surface of the circular frame (10), and the lower end surface of the insulating cloth (12) is in contact with the upper end surface of the conveyor belt (2).

4. The drying device of a screen printing machine according to claim 1, characterized in that: The upper end surface of the circular frame (10) is fitted with the lower end surface of the infrared drying cabinet shell (3), and the circular frame (10) and the infrared drying cabinet shell (3) are connected in a sliding manner.

5. The drying device of a screen printing machine according to claim 1, characterized in that: A strip plate (13) is fixedly provided on one side of the upper end surface of the two circular frames (10), and a metal reinforcement strip plate (14) is fixedly provided on the opposite surface of the two strip plates (13). The outer side of the metal reinforcement strip plate (14) is provided with a strip groove (15) located inside the outer shell of the infrared drying cabinet shell (3). The outer surface of the metal reinforcement strip plate (14) is in contact with the inner wall of the strip groove (15), and the metal reinforcement strip plate (14) and the strip groove (15) are slidably connected.

6. The drying device of a screen printing machine according to claim 5, characterized in that: An electromagnet (16) is fixedly mounted on one side of the interior of the strip groove (15); the surface of the electromagnet (16) facing the metal reinforcement strip plate (14) is in contact with the metal reinforcement strip plate (14), and the electromagnet (16) is electrically connected to the infrared drying cabinet shell (3).

7. The drying device of a screen printing machine according to claim 1, characterized in that: A circular metal cover plate is provided above the stepper motor (4) and is located on the upper end surface of the infrared drying cabinet shell (3), and the infrared drying cabinet shell (3) and the circular metal cover plate are fixed by screws.

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