Cleaning device for pad printing rubber head

Abstract

The utility model provides a cleaning device for a pad printing rubber head. The cleaning device comprises a bottom plate, a dust-free cloth collecting and discharging mechanism, a dust-free cloth pressing mechanism and an alcohol spraying mechanism, wherein the dust-free cloth collecting and discharging mechanism, the dust-free cloth pressing mechanism and the alcohol spraying mechanism are installed on the bottom plate. The dust-free cloth pressing mechanism at least comprises a cloth pressing plate, and the cloth pressing plate is configured to do reciprocating motion in the vertical direction; a first hole is formed in the cloth pressing plate and is used for accommodating a transfer printing rubber head; the alcohol spraying mechanism at least comprises an alcohol spraying cavity cylinder and an alcohol nozzle, the alcohol spraying cavity cylinder is hollow to form an alcohol spraying cavity, and a second hole is formed in the top of the alcohol spraying cavity cylinder; the alcohol nozzle at least comprises an alcohol nozzle, the alcohol nozzle extends into the alcohol spraying cavity, and the alcohol nozzle directly faces the second hole; the dust-free cloth collecting and releasing mechanism is used for collecting and releasing dust-free cloth; the cloth pressing plate is located above the dust-free cloth, the alcohol spraying cavity cylinder is located below the dust-free cloth, and the dust-free cloth shuttles between the cloth pressing plate and the top of the alcohol spraying cavity cylinder. The cleaning device is simple in structure, good in cleaning effect and high in production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of pad printing rubber head cleaning, in particular to a cleaning device for a pad printing rubber head. Background Technique

[0002] A pad printer is a printing device applicable to plastics, toys, glass, metal, ceramics, electronics, IC packaging, etc. Pad printing is an indirect concave rubber head printing technology and has become a main method for printing and decorating various object surfaces.

[0003] The pad printer has very good color expressiveness and printing adaptability. Although the patterns printed by screen printing technology have strong three-dimensional sense and the uneven real feeling can be felt by touching with hands, the types of printed products by screen printing are less. In terms of the types of printed products, the pad printer can definitely be called universal. Whether it is plastic or metal, whether it is sports goods or glass products, the pad printer can complete the printing.

[0004] Since the advent of pad printing technology, especially after entering the domestic market, it has attracted more and more attention from enterprises with its obvious advantages. It combines with screen printing technology to jointly open up a new situation in the printing market. It gradually moves from the traditional labor-intensive type to the technology-intensive type. This is a trend adapting to the world development. The pad printing process of the pad printer is also constantly improving and perfecting.

[0005] The pad printing process is also moving towards newer fields. In order to more effectively invest in production, the pad printing technology is gradually completing online production, organically combining the pad printer with the whole production and operation to form a complete and unified link. The pad printing technology is gradually moving towards the automation of printing. The high-precision system not only passes the quality of printing, that is, accuracy, but also meets the requirements of mass production. The pad printing technology is gradually forming a complete part with the production environment, product consumption and maintenance, etc.

[0006] Ink is crucial for pad printing technology. Compared with the characteristics of screen printers, the ink layer of pad printers is very thin, which means that it is very easy to leave traces on the surface of any product. Whether it is a flat surface, a curved surface or a wavy surface, the printed pattern can be replicated. Therefore, the cleaning of ink is also a crucial part of the pad printing process. Currently, self-adhesive tapes are generally used in the market to clean the residual ink on the pad printing rubber head, which can basically meet the use requirements. However, for products with high requirements for surface pad printing (such as integrated chips, electronic products, etc.), the cleaning effect often fails to meet the requirements and the cleaning effect is not good. Content of the Utility Model

[0007] The utility model provides a cleaning device for a pad printing rubber head to solve the technical problem that the cleaning effect is not good when using self-adhesive tapes to clean the residual ink on the pad printing rubber head.

[0008] One aspect of the present utility model is to provide a cleaning device for a pad printing rubber head. The cleaning device includes a bottom plate, a non-woven fabric winding and unwinding mechanism, a non-woven fabric pressing mechanism, and an alcohol spraying mechanism mounted on the bottom plate;

[0009] Among them, the non-woven fabric pressing mechanism at least includes a pressing plate configured to reciprocate in the vertical direction;

[0010] The pressing plate is provided with a first hole for accommodating the pad printing rubber head;

[0011] Among them, the alcohol spraying mechanism at least includes an alcohol spraying chamber cylinder and an alcohol spray head. The interior of the alcohol spraying chamber cylinder is hollow to form an alcohol spraying chamber, and a second hole is opened at the top of the alcohol spraying chamber cylinder;

[0012] The alcohol spray head at least includes an alcohol nozzle. The alcohol nozzle extends into the alcohol spraying chamber and the alcohol nozzle is facing the second hole;

[0013] Among them, the non-woven fabric winding and unwinding mechanism is used for winding and unwinding the non-woven fabric. Among them, the pressing plate is located above the non-woven fabric, the alcohol spraying chamber cylinder is located below the non-woven fabric, and the non-woven fabric shuttles between the pressing plate and the top of the alcohol spraying chamber cylinder;

[0014] When the pressing plate moves downward in the vertical direction, the pressing plate presses the non-woven fabric against the top of the alcohol spraying chamber cylinder;

[0015] When the pressing plate moves upward in the vertical direction, the pressing plate releases the non-woven fabric, separating the non-woven fabric from the top of the alcohol spraying chamber cylinder.

[0016] In a preferred embodiment, the non-woven fabric winding and unwinding mechanism includes a winding cylinder and an unwinding cylinder;

[0017] The non-woven fabric is wound around the winding cylinder, and the non-woven fabric is also wound around the unwinding cylinder, so that the non-woven fabric is arranged between the winding cylinder and the unwinding cylinder;

[0018] The non-woven fabric pressing mechanism and the alcohol spraying mechanism are arranged between the winding cylinder and the unwinding cylinder, so that the non-woven fabric shuttles between the pressing plate and the top of the alcohol spraying chamber cylinder.

[0019] In a preferred embodiment, the non-woven fabric pressing mechanism further includes a cylinder and a plurality of guide shafts;

[0020] The cylinder is fixed to the lower surface of the bottom plate; one end of the guide shaft is connected to the output shaft of the cylinder, and the other end of the guide shaft is fixed to a pressing plate connecting block, and the pressing plate connecting block is fixed to the pressing plate;

[0021] When the cylinder drives the guide shaft to reciprocate in the vertical direction, it drives the pressing cloth plate to reciprocate in the vertical direction.

[0022] In a preferred embodiment, a linear bearing is installed on each of the guide shafts, and the linear bearing is fixed on the upper surface of the bottom plate.

[0023] In a preferred embodiment, the alcohol spraying mechanism includes a support, and a mounting plate is fixed on the support;

[0024] The alcohol spraying chamber cylinder is installed on the upper surface of the mounting plate, and the alcohol spray head is installed on the mounting plate, so that the alcohol nozzle of the alcohol spray head extends into the alcohol spraying chamber of the alcohol spraying chamber cylinder.

[0025] In a preferred embodiment, the alcohol spray head further includes an alcohol inlet and a compressed air inlet;

[0026] The alcohol inlet is used to inject alcohol into the alcohol spray head; the compressed air inlet is used to input compressed air into the alcohol spray head.

[0027] Compared with the prior art, the present utility model has the following beneficial effects:

[0028] A cleaning device for a pad printing rubber head proposed by the present utility model has a pressing cloth plate above the dust-free cloth, an alcohol spraying chamber cylinder below the dust-free cloth, the dust-free cloth shuttles between the pressing cloth plate and the top of the alcohol spraying chamber cylinder, the alcohol nozzle of the alcohol spray head extends into the alcohol spraying chamber, and alcohol is sprayed on the dust-free cloth from below the dust-free cloth, so that the excess sprayed alcohol is collected in the alcohol spraying chamber, avoiding mechanical damage caused by the random flow of alcohol, and the excess sprayed alcohol is collected in the alcohol spraying chamber, avoiding the remaining excess alcohol on the dust-free cloth resulting in the remaining excess alcohol on the pad printing rubber head and affecting the printing effect of the pad printing rubber head.

[0029] A cleaning device for a pad printing rubber head proposed by the present utility model wipes and cleans the pad printing rubber head by moving from the wet area where alcohol is sprayed on the dust-free cloth to the dry area where alcohol is not sprayed on the pressed dust-free cloth, with a simple structure, good cleaning effect, no influence on the next pad printing, and high production efficiency.

[0030] A cleaning device for a pad printing rubber head proposed by the present utility model can clean pad printing rubber heads of different specifications and sizes by changing the width of the dust-free cloth and adjusting the amount of alcohol sprayed. Description of the Drawings

[0031] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0032] Figure 1 It is a schematic diagram of the overall structure of a cleaning device for a pad printing rubber head of the present invention.

[0033] Figure 2 It is a front view of a cleaning device for a pad printing rubber head of the present invention ( Figure 1 view in the direction of A in the figure).

[0034] Figure 3 is Figure 2 in the C area along Figure 1 a cross-sectional view taken along the B-B direction in the figure.

[0035] Figure 4 It is a schematic diagram of the structure of an alcohol spray head of the present invention. Specific embodiments

[0036] In order to make the above and other features and advantages of the present invention more clear, the present invention will be further described below with reference to the drawings. It should be understood that the specific embodiments given herein are for the purpose of explaining to those skilled in the art and are merely exemplary, not restrictive.

[0037] Combined with Figures 1 to 4 , according to an embodiment of the present invention, a cleaning device for a pad printing rubber head is provided, including a bottom plate 1, and a dust-free cloth winding and unwinding mechanism, a dust-free cloth pressing mechanism 4, and an alcohol spraying mechanism 5 installed on the bottom plate.

[0038] According to an embodiment of the present invention, the dust-free cloth winding and unwinding mechanism is used for winding and unwinding the dust-free cloth 6. Specifically, combined with Figures 1 to 3 , the dust-free cloth winding and unwinding mechanism includes a winding drum 3 and an unwinding drum 2.

[0039] The dust-free cloth 6 is wound around the winding drum 3, and the dust-free cloth 6 is also wound around the unwinding drum 2, so that the dust-free cloth 6 is arranged between the winding drum 3 and the unwinding drum 2.

[0040] In a specific embodiment, the unwinding drum 2 and the winding drum 3 are fixed to the bearing seat through the central shaft, and the bearing seat is fixed to the mounting side plate, and the side plate is fixed to the bottom plate 1. In this embodiment, the winding drum 3 is driven by a motor and detected by a sensor to realize the precise feeding and rewinding of the dust-free cloth 6.

[0041] In a further embodiment, the central axis of the discharging cylinder 2 is connected to the damper to increase the rotational damping and prevent the discharging cylinder 2 from over-rotating.

[0042] According to an embodiment of the present invention, the moving direction of the dust-free cloth 6 is from left to right, that is, it moves from the discharging cylinder 2 to the side of the receiving cylinder 3.

[0043] The dust-free cloth pressing mechanism 4 and the alcohol spraying mechanism 5 are arranged between the receiving cylinder 3 and the discharging cylinder 2, so that the dust-free cloth 4 shuttles between the pressing plate 404 and the top of the alcohol spraying chamber cylinder 503 (the pressing plate 404 and the alcohol spraying chamber cylinder 503 will be elaborated in detail below).

[0044] Combined with Figures 1 to 3 , according to an embodiment of the present invention, the dust-free cloth pressing mechanism 4 at least includes a pressing plate 404, and the pressing plate 404 is configured to reciprocate in the vertical direction.

[0045] Specifically, the dust-free cloth pressing mechanism 4 includes a cylinder 405 and multiple guide shafts 402. The cylinder 405 is fixed on the lower surface of the bottom plate 1.

[0046] One end of the guide shaft 402 is connected to the output shaft of the cylinder 405, and the other end of the guide shaft 402 is fixed to the pressing plate connecting block 403, and the pressing plate connecting block 403 is fixed to the pressing plate 404.

[0047] When the cylinder 405 drives the guide shaft 402 to reciprocate in the vertical direction, it drives the pressing plate connecting block 403 and the pressing plate 404 to reciprocate in the vertical direction.

[0048] Furthermore, a linear bearing 401 is installed on each guide shaft 402, and the linear bearing 401 is fixed on the upper surface of the bottom plate 1.

[0049] Combined with Figure 1 and Figure 3 , according to an embodiment of the present invention, the pressing plate 404 is provided with a first hole K1 for accommodating the pad printing rubber head Y. When the pad printing rubber head Y needs to be cleaned, the pad printing rubber head Y moves downward until the first hole K1 contacts the dust-free cloth 6.

[0050] Combined with Figures 1 to 3 , according to an embodiment of the present invention, the alcohol spraying mechanism 5 at least includes an alcohol spraying chamber cylinder 503 and an alcohol spray head 504. The inside of the alcohol spraying chamber cylinder 503 is hollow to form an alcohol spraying chamber K3, and a second hole K2 is opened at the top of the alcohol spraying chamber cylinder 503, as Figure 3 shown.

[0051] The alcohol spray head 504 at least includes an alcohol nozzle 5043 (as Figure 3 and Figure 4As shown, the alcohol nozzle 5043 extends into the alcohol spraying chamber K3, and the alcohol nozzle 5043 faces the second hole K2, and the second hole K2 faces the first hole K1.

[0052] Specifically, the alcohol spraying mechanism 5 includes a support 501, and a mounting plate 502 is fixed on the support 501. The alcohol spraying chamber cylinder 503 is installed on the upper surface of the mounting plate 502, and the alcohol spray head 504 is installed on the mounting plate 502, so that the alcohol nozzle 5043 of the alcohol spray head 504 extends into the alcohol spraying chamber K3 of the alcohol spraying chamber cylinder 503, and the alcohol nozzle 5043 faces the second hole K2.

[0053] Furthermore, a sealing gasket is provided between the alcohol spraying chamber cylinder 503 and the mounting plate 502, and a sealing gasket is provided between the alcohol spray head 504 and the mounting plate 502 to prevent the alcohol sprayed by the alcohol nozzle 5043 of the alcohol spray head 504 from leaking outside the alcohol spraying chamber K3.

[0054] As Figure 4 shown, the alcohol spray head 504 further includes an alcohol inlet 5041 and a compressed air inlet 5042. The alcohol inlet 5041 is used to inject alcohol into the alcohol spray head 504; the compressed air inlet 5042 is used to input compressed air into the alcohol spray head 504.

[0055] Combined with Figures 1 to 3 , according to an embodiment of the present invention, the pressing cloth plate 404 is located above the dust-free cloth 6, the alcohol spraying chamber cylinder 503 is located below the dust-free cloth 6, and the dust-free cloth 6 shuttles between the pressing cloth plate 404 and the top of the alcohol spraying chamber cylinder 503.

[0056] When the pressing cloth plate 404 moves downward in the vertical direction, the pressing cloth plate 404 presses the dust-free cloth 6 against the top of the alcohol spraying chamber cylinder 503, so that the dust-free cloth 6 is pressed above the second hole K2.

[0057] When the pressing cloth plate 404 moves upward in the vertical direction, the pressing cloth plate 404 releases the dust-free cloth 6, so that the dust-free cloth 6 is separated from the top of the alcohol spraying chamber cylinder 503.

[0058] The cleaning process of the pad printing rubber head Y by a cleaning device for a pad printing rubber head of the present invention will be described below.

[0059] Combined with Figures 1 to 3 , when the pad printing rubber head Y needs to be cleaned, the material receiving cylinder 3 is driven by a motor, the material receiving cylinder 3 receives materials, and the material feeding cylinder 2 feeds materials, so that the dust-free cloth 6 moves from the material feeding cylinder 2 to one side of the material receiving cylinder 3 (moves from left to right).

[0060] After the dust-free cloth 6 moves a certain distance from the material feeding cylinder 2 to one side of the material receiving cylinder 3 (moves from left to right), the material receiving cylinder 3 stops, and the dust-free cloth 6 stops moving.

[0061] The cylinder 405 drives the guide shaft 402 to move downward in the vertical direction, driving the cloth pressing plate connecting block 403 and the cloth pressing plate 404 to move downward in the vertical direction. The cloth pressing plate 404 presses the clean cloth 6 against the top of the alcohol spraying chamber cylinder 503, so that the clean cloth 6 is pressed above the second hole K2.

[0062] The alcohol spray head 504 injects alcohol into the alcohol spray head 504 through the alcohol inlet 5041, and inputs compressed air into the alcohol spray head 504 through the compressed air inlet 5042. The alcohol spray head 504 sprays alcohol on the clean cloth 6 above the second hole K2 through the alcohol nozzle 5043, and the excess alcohol is collected in the alcohol spraying chamber K3.

[0063] The pad printing rubber head Y moves downward into the first hole K1 and contacts the wet area (the area where the clean cloth 6 is sprayed with alcohol) of the clean cloth 6. Then the pad printing rubber head Y moves (from right to left) to one side of the feeding cylinder 2 within the first hole K1, so that the pad printing rubber head Y moves and wipes from the wet area of the clean cloth 6 sprayed with alcohol to the dry area (the area where the clean cloth 6 is not sprayed with alcohol) of the clean cloth 6, realizing the cleaning of the pad printing rubber head Y.

[0064] After the cleaning of the pad printing rubber head Y is completed, it moves upward and leaves the first hole K1. The cylinder 405 drives the guide shaft 402 to move upward in the vertical direction, driving the cloth pressing plate connecting block 403 and the cloth pressing plate 404 to move upward in the vertical direction. The cloth pressing plate 404 releases the clean cloth 6, and the clean cloth 6 is separated from the top of the alcohol spraying chamber cylinder 503.

[0065] When cleaning the pad printing rubber head Y again, the above process can be repeated.

[0066] In the utility model, the cloth pressing plate 404 is located above the clean cloth 6, and the alcohol spraying chamber cylinder 503 is located below the clean cloth 6. The clean cloth 6 shuttles between the cloth pressing plate 404 and the top of the alcohol spraying chamber cylinder 503. The alcohol nozzle 5043 of the alcohol spray head 504 extends into the alcohol spraying chamber K3, and alcohol is sprayed on the clean cloth 6 from below the clean cloth 6, so that the excess sprayed alcohol is collected in the alcohol spraying chamber K3, avoiding mechanical damage caused by the random flow of alcohol. And the excess sprayed alcohol is collected in the alcohol spraying chamber K3. The pad printing rubber head Y moves and wipes from the wet area of the clean cloth 6 sprayed with alcohol to the dry area of the clean cloth 6 not sprayed with alcohol, avoiding the pad printing rubber head Y remaining excess alcohol due to the remaining excess alcohol on the clean cloth 6, which affects the printing effect of the pad printing rubber head Y.

[0067] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present utility model.

Claims

1. A cleaning device for a pad printing rubber head, characterized in that, The cleaning device includes a bottom plate, and a dust-free cloth feeding and discharging mechanism, a dust-free cloth pressing mechanism, and an alcohol spraying mechanism mounted on the bottom plate; Among them, the dust-free cloth pressing mechanism at least includes a cloth pressing plate, and the cloth pressing plate is configured to reciprocate in the vertical direction; The cloth pressing plate is provided with a first hole for accommodating a pad printing rubber head; Among them, the alcohol spraying mechanism at least includes an alcohol spraying chamber cylinder and an alcohol spray head. The interior of the alcohol spraying chamber cylinder is hollow to form an alcohol spraying chamber, and a second hole is opened at the top of the alcohol spraying chamber cylinder; The alcohol spray head at least includes an alcohol nozzle, and the alcohol nozzle extends into the alcohol spraying chamber, and the alcohol nozzle is directly opposite to the second hole; Among them, the dust-free cloth feeding and discharging mechanism is used for feeding and discharging the dust-free cloth; among them, the cloth pressing plate is located above the dust-free cloth, and the alcohol spraying chamber cylinder is located below the dust-free cloth, and the dust-free cloth shuttles between the cloth pressing plate and the top of the alcohol spraying chamber cylinder; When the cloth pressing plate moves downward in the vertical direction, the cloth pressing plate presses the dust-free cloth against the top of the alcohol spraying chamber cylinder; When the cloth pressing plate moves upward in the vertical direction, the cloth pressing plate releases the dust-free cloth, so that the dust-free cloth is separated from the top of the alcohol spraying chamber cylinder.

2. The cleaning device according to claim 1, wherein The dust-free cloth feeding and discharging mechanism includes a feeding cylinder and a discharging cylinder; The dust-free cloth is wound around the feeding cylinder, and the dust-free cloth is wound around the discharging cylinder, so that the dust-free cloth is arranged between the feeding cylinder and the discharging cylinder; The dust-free cloth pressing mechanism and the alcohol spraying mechanism are arranged between the feeding cylinder and the discharging cylinder, so that the dust-free cloth shuttles between the cloth pressing plate and the top of the alcohol spraying chamber cylinder.

3. The cleaning device according to claim 1, wherein The dust-free cloth pressing mechanism further includes a cylinder and a plurality of guide shafts; The cylinder is fixed on the lower surface of the bottom plate; one end of the guide shaft is connected to the output shaft of the cylinder, and the other end of the guide shaft is fixed to a cloth pressing plate connecting block, and the cloth pressing plate connecting block is fixed to the cloth pressing plate; When the cylinder drives the guide shaft to reciprocate in the vertical direction, it drives the cloth pressing plate to reciprocate in the vertical direction.

4. The cleaning device according to claim 3, characterized in that, A linear bearing is installed on each of the guide shafts, and the linear bearing is fixed on the upper surface of the bottom plate.

5. The cleaning device according to claim 1, characterized in that, The alcohol spraying mechanism includes a support, and a mounting plate is fixed on the support; The alcohol spraying chamber cylinder is installed on the upper surface of the mounting plate, and the alcohol spray head is installed on the mounting plate, so that the alcohol nozzle of the alcohol spray head extends into the alcohol spraying chamber of the alcohol spraying chamber cylinder.

6. The cleaning device according to claim 5, characterized in that, The alcohol spray head further includes an alcohol inlet and a compressed air inlet; The alcohol inlet is used for injecting alcohol into the alcohol spray head; the compressed air inlet is used for inputting compressed air into the alcohol spray head.

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