Cleaning device of printing machine

Abstract

The utility model relates to a cleaning device of a printing machine, which is mainly characterized in that a scraper unit is arranged on a cleaning main body, and a wiping unit is movably arranged on the cleaning main body, so that a scraper arranged on the scraper unit is propped against a screen plate through wiping paper when residual solder paste, printing ink or soldering flux and the like on the screen plate are cleaned; by means of the design that the scraper is connected with the elastic piece, the wiping paper can elastically float and ascend and descend along with the shape of the uneven surface of the screen plate so as to maintain the state that the wiping paper is tightly attached to the surface of the screen plate, and the effect that solder paste or printing ink or scaling powder or the like is effectively removed is achieved.

Description

Technical Field

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

[0002] When printing a circuit board, the existing printer first fixes the circuit board, and then uses a scraper to print solder paste through the preset holes on the stencil onto the circuit board. After printing, some solder paste will remain on the stencil, which must be cleaned to avoid affecting the service life of the stencil and reducing the printing quality of the circuit board.

[0003] Therefore, some practitioners have developed a cleaning device for the printing press. The existing cleaning device is mainly composed of a material roller and a take-up roller. Wiping paper is wound on the material roller, and one end of the wiping paper is adhered to the take-up roller. In addition, a top block is provided under the wiping paper. When cleaning the stencil, the top block is driven to rise and abut against the wiping paper, so that the wiping paper contacts the surface of the stencil, and then the top block is reciprocated to wipe off the residual solder paste on the surface of the stencil through the wiping paper. However, when using the existing cleaning device, it is found that due to the uneven surface of the stencil, it is difficult to clean the residual solder paste on the surface of the stencil only by the reciprocating movement of the top block against the wiping paper, which still seriously affects the printing quality of the circuit board.

[0004] Therefore, the inventor has considered that the cleaning device of the existing printing machine still has the above-mentioned deficiencies in its use and implementation, and therefore, with the assistance of his many years of manufacturing and design experience and knowledge in the relevant field, and through various ingenuity, he has developed the present utility model. Utility Model Content

[0005] The utility model relates to a cleaning device for a printing machine, and its main purpose is to provide a cleaning device which can effectively clean solder paste, ink or soldering flux etc. on the surface of a stencil.

[0006] In order to achieve the above-mentioned implementation objectives, the inventors have developed a cleaning device for a printing press, comprising:

[0007] A cleaning body is provided with a set of stands, and a scraper unit is provided on the set of stands. The scraper unit includes a blade seat, and a plurality of scrapers are provided on the blade seat. The scraper and the blade seat are assembled by at least one elastic member.

[0008] A wiping unit is arranged on the assembly seat of the cleaning body, and the wiping unit includes a fixed seat. The fixed seat is provided with a material roller and a winding roller which are relatively set up, and a wiping paper is wound around the material roller and the winding roller. The scraper unit is relatively set up with the part of the wiping paper located between the material roller and the winding roller.

[0009] In the cleaning device of the printing press as described above, the scraper unit further comprises at least one second lifting power source, the second lifting power source is assembled with the assembly seat of the cleaning body, and the transmission part of the second lifting power source is assembled with the blade seat.

[0010] In the cleaning device of the printing press as described above, the blade holder of the scraper unit is provided with a plurality of scrapers on two opposite sides thereof, respectively, and the plurality of scrapers on the two sides of the blade holder are arranged in a mutually staggered manner.

[0011] In the cleaning device of the printing press as described above, the wiping unit is provided with a rotating power source on one side of its fixing seat, and the rotating shaft of the rotating power source is provided with one end of the winding roller of the wiping unit.

[0012] In the cleaning device of the printing press as described above, the fixed seat of the wiping unit is located between the material roller and the winding roller and is provided with at least one material guide roller, and the wiping paper passes through the material guide roller.

[0013] The cleaning device of the printing press as described above, wherein the cleaning device of the printing press further includes a base, the base is located at one side of the cleaning body, and at least one first lifting power source is assembled on the base, and the transmission part of the first lifting power source is assembled with the assembly seat of the cleaning body.

[0014] In the cleaning device of the printing press as described above, a plurality of shaft sleeves are assembled on the base, a guide rod is respectively passed through the plurality of shaft sleeves, and one end of the guide rod is assembled with the assembly seat of the cleaning body.

[0015] In this way, when removing residual solder paste, ink or flux on the stencil, the scraper provided in the scraper unit is pressed against the stencil through the wiping paper. The scraper and the elastic member are connected so that the wiping paper can elastically float and rise and fall along with the shape of the stencil surface to maintain a close fit with the stencil surface. Furthermore, by staggering the multiple scrapers provided on both sides of the scraper unit, it is possible to further avoid the situation where the solder paste is not scraped off in the gap between the scrapers, thereby achieving the effect of effectively removing the solder paste, ink or flux. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are only for explanation purposes and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the components in the drawings are only for illustration purposes to help understand the present invention, and are not intended to specifically limit the shapes and proportional dimensions of the components of the present invention. Under the guidance of the present invention, those skilled in the art can select various possible shapes and proportional dimensions to implement the present invention according to specific circumstances.

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a front cross-sectional view of the utility model;

[0019] Figure 3 It is a side sectional view of the utility model;

[0020] Figure 4 It is a partially enlarged stereoscopic view of the scraper unit of the utility model;

[0021] Figure 5 It is a partially enlarged front view of the scraper unit of the utility model;

[0022] Figure 6 It is a cross-sectional view of the utility model in use state.

[0023] Description of Reference Numerals

[0024] 1: base; 11: first lifting power source;

[0025] 12: Bushing; 13: Guide rod;

[0026] 2: Cleaning body; 21: Assembly seat;

[0027] 22: scraper unit; 221: knife holder;

[0028] 222: second lifting power source; 223: scraper;

[0029] 224: elastic member; 3: wiping unit;

[0030] 31: fixed seat; 32: material roller;

[0031] 33: winding roller; 34: rotating power source;

[0032] 35: guide roller; 36: wiping paper;

[0033] 4: Screen board. DETAILED DESCRIPTION

[0034] Unless otherwise specified, the directions of up, down, left, and right mentioned in this document are all based on the directions shown in this utility model. Figure 1 The up, down, left and right directions in the figure shall prevail and are explained here.

[0035] In order to make the technical means of the utility model and the effects that can be achieved more completely and clearly disclosed, the detailed description is as follows, please refer to the drawings and the accompanying drawings:

[0036] First, see As shown, the cleaning device of the printing press of the utility model mainly comprises:

[0037] A base 1, on which at least one first lifting power source 11 is installed, and the first lifting power source 11 can be a pneumatic cylinder, a plurality of sleeves 12 are installed on the base 1, and a guide rod 13 is respectively passed through the plurality of sleeves 12;

[0038] A cleaning body 2 is arranged above the base 1. The cleaning body 2 is provided with a set of seats 21. The transmission part of the first lifting power source 11 of the base 1 and one end of the plurality of guide rods 13 are assembled with the set of seats 21. A scraper unit 22 is arranged on the set of seats 21. Please refer to Figure 4 , Figure 5 As shown, the scraper unit 22 includes a knife seat 221, and at least one second lifting power source 222 assembled with the assembly seat 21 is provided below the knife seat 221. The second lifting power source 222 can be a pneumatic cylinder. The transmission part of the second lifting power source 222 is assembled with the knife seat 221, and a plurality of scrapers 223 are respectively arranged on the front and rear opposite sides of the knife seat 221, and the plurality of scrapers 223 on the front and rear sides of the knife seat 221 are staggered with each other, and at least one elastic member 224 is assembled between the scraper 223 and the knife seat 221;

[0039] A wiping unit 3 is provided on the assembly seat 21 of the cleaning body 2. The wiping unit 3 includes a fixed seat 31, and a material roller 32 and a winding roller 33 are set up opposite to each other at the front and rear of the fixed seat 31. A rotating power source 34 is set up on one side of the fixed seat 31. The rotating power source 34 is a motor, and the rotating shaft of the rotating power source 34 is assembled with one end of the winding roller 33. In addition, at least one guide roller 35 is assembled between the material roller 32 and the winding roller 33 of the fixed seat 31, and a wiping paper 36 is wound around the material roller 32. The wiping paper 36 passes through the guide roller 35, and one end of the wiping paper 36 is bonded to the winding roller 33. In addition, the scraper unit 22 is located below the wiping paper 36, and is set up opposite to the part of the wiping paper 36 between the material roller 32 and the winding roller 33.

[0040] Accordingly, when assembling, the cleaning device of the present invention is installed on a printing press, and the left and right sides of the base 1 of the present invention are respectively connected to the linear slide rails provided on the left and right sides of the printing press body to drive the cleaning device of the present invention to move back and forth. At this time, the cleaning device of the present invention is located below the screen plate 4 of the printing press. In addition, the first lifting power source 11 of the base 1 of the present invention, the second lifting power source 222 of the scraper unit 22 and the rotation power source 34 of the wiping unit 3 are connected to the control unit signal of the printing press so that the control unit drives each power element to operate.

[0041] Please also refer to Figure 6As shown, when it is desired to remove the residual solder paste, ink or flux, etc. on the surface of the stencil 4, the control unit drives the first lifting power source 11 of the base 1 of the utility model to drive the cleaning body 2 to rise, so that the wiping paper 36 of the wiping unit 3 arranged on the assembly seat 21 of the cleaning body 2 contacts with the surface of the stencil 4, and then the control unit drives the second lifting power source 222 of the cleaning body 2 to drive the knife seat 221 of the assembled scraper unit 22 to rise, so that the multiple scrapers 223 arranged on the knife seat 221 contact with the wiping paper 36, and then the control unit drives the linear slide rails arranged on both sides of the base 1 to drive the cleaning device of the utility model to move back and forth, so that the wiping paper 36 wipes the residual solder paste, ink or flux, etc. on the surface of the stencil 4.

[0042] When the scraper unit 22 of the utility model has its scraper 223 pressed against the wiping paper 36 to wipe the solder paste, ink or flux on the surface of the stencil 4, the scraper 223 and the wiping paper 36 pressed against it can be elastically floated and lifted along with the surface of the stencil 4 by using the elastic member 224 between the scraper 223 and the knife holder 221. In this way, even if the surface of the stencil 4 is not flat, the wiping paper 36 can always maintain a close fit with the surface of the stencil 4. Furthermore, the front and rear sides of the knife holder 221 can be used to adjust the scraper 223 and the wiping paper 36 to maintain a close fit with the surface of the stencil 4. The plurality of scrapers 223 are staggered with each other. When the plurality of scrapers 223 arranged on the front side of the blade holder 221 abut against the wiping paper 36 to wipe the solder paste, ink or flux on the surface of the stencil 4, the solder paste, ink or flux located in the gap between two adjacent scrapers 223 may not be wiped off. Here, when the scraper 223 on the rear side of the blade holder 221 passes through the solder paste, ink or flux, the solder paste, ink or flux located in the gap between the front scrapers 223 and not wiped off can be cleaned up.

[0043] When the cleaning body 2 of the utility model wipes the solder paste, ink or flux on the surface of the stencil 4 clean, the control unit drives the first lifting power source 11 provided on the base 1 to drive the cleaning body 2 and the wiping unit 3 to descend and reset, and then the control unit drives the rotating power source 34 combined with the winding roller 33 to drive the winding roller 33 to rotate, so as to wind the dirty wiping paper 36 around the winding roller 33.

[0044] The aforementioned embodiments or drawings do not limit the implementation methods of the present invention. The present invention can also omit the second lifting power source 222 of the scraper unit 22, so that the knife seat 221 is directly assembled with the assembly seat 21 of the cleaning body 2, and the scraper 223 arranged on the knife seat 221 is normally maintained in contact with the wiping paper 36 of the wiping unit 3. Here, any appropriate changes or modifications made by technicians in the relevant technical field should be deemed to be within the scope of protection of the present invention.

[0045] It can be seen from the above structure and implementation mode that the utility model has the following advantages:

[0046] 1. The cleaning device of the printing press of the utility model connects the scraper of the scraper unit with an elastic member, so that the scraper and the wiping paper against which it is placed can float and rise elastically along with the uneven surface of the stencil, and the wiping paper can maintain a close fit with the surface of the stencil, so as to wipe off the solder paste, ink or flux on the surface of the stencil.

[0047] 2. The cleaning device of the printing press of the utility model makes the multiple scrapers arranged on both sides of the blade holder of the scraper unit staggered with each other, thereby avoiding the situation where solder paste, ink or flux, etc. are not wiped off in the gap between the scrapers, and achieving the effect of effectively cleaning the solder paste, ink or flux, etc.

[0048] In summary, the embodiments of the utility model can indeed achieve the expected effects. The specific structure disclosed by the utility model has not only never been seen in similar products, but has also not been disclosed before the application. It fully complies with the provisions and requirements of the Patent Law. Now, an application for a utility model patent is filed in accordance with the law. I sincerely request that you review it and grant the patent.

Claims

1. A cleaning device for a printing press, characterized in that: The cleaning device of the printing press includes: A cleaning body is provided with a set of stand seats, the set of stand seats is provided with a scraper unit, the scraper unit includes a blade seat, and a plurality of scrapers are provided on the blade seat, and the scraper and the blade seat are assembled with at least one elastic member; A wiping unit is arranged on the assembly seat of the cleaning body, and the wiping unit includes a fixed seat. The fixed seat is provided with a material roller and a winding roller which are relatively set up, and a wiping paper is wound around the material roller and the winding roller. The scraper unit is relatively set up with the part of the wiping paper located between the material roller and the winding roller.

2. The cleaning device for a printing press according to claim 1, characterized in that: The scraper unit also includes at least one second lifting power source, the second lifting power source is assembled with the assembly seat of the cleaning body, and the transmission part of the second lifting power source is assembled with the blade seat.

3. The cleaning device for a printing press according to claim 1, characterized in that: The blade seat of the scraper unit is provided with a plurality of scrapers on two opposite sides thereof, and the plurality of scrapers on the two sides of the blade seat are arranged in a mutually staggered manner.

4. The cleaning device for a printing press according to claim 1, characterized in that: The wiping unit is provided with a rotating power source on one side of its fixing seat, and the rotating shaft of the rotating power source is provided with one end of the winding roller of the wiping unit.

5. The cleaning device for a printing press according to claim 1, characterized in that: The fixed seat of the wiping unit is located between the material roller and the winding roller and is provided with at least one material guide roller, and the wiping paper passes through the material guide roller.

6. The cleaning device for a printing press according to claim 1, characterized in that: The cleaning device of the printing machine also includes a base, which is located at one side of the cleaning body and is assembled with at least one first lifting power source. The transmission part of the first lifting power source is assembled with the assembly seat of the cleaning body.

7. The cleaning device for a printing press according to claim 6, characterized in that: A plurality of shaft sleeves are assembled on the base, and a guide rod is respectively penetrated through the plurality of shaft sleeves, and one end of the guide rod is assembled with the assembly seat of the cleaning main body.

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