CN219191609U

CN219191609U - Scraper assembly for screen printing

Info

Publication number: CN219191609U
Application number: CN202223296480.XU
Authority: CN
Inventors: 杨升航; 陈开祥
Original assignee: Kunshan Surpsun Electronic Material Co ltd
Current assignee: Kunshan Surpsun Electronic Material Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-06-16
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a scraper component for screen printing, which relates to the technical field of printing scrapers and comprises a mounting frame, wherein a processing cavity is arranged in the mounting frame, a scraper is horizontally and dynamically arranged in the processing cavity, a linear driving piece for driving the scraper to horizontally slide is arranged on the mounting frame, push plates are rotationally connected to two sides of the mounting frame, the two push plates are oppositely arranged on two sides of the scraper, and a pushing piece for driving the two push plates to approach the scraper is arranged on the mounting frame; according to the utility model, the two transmission racks on the two sides of the movable frame drive the two transmission gears to rotate, so that the two cams are driven to drive the two push plates to reciprocate towards the scraper side, and the printing liquid is always positioned in the moving area of the scraper, so that the utilization efficiency of the printing liquid is improved, and the printing liquid can be fully used.

Description

Scraper assembly for screen printing

Technical Field

The utility model relates to the technical field of printing scrapers, in particular to a scraper assembly for screen printing.

Background

In the existing screen printing scraper device, as disclosed in patent No. CN213322214U, a scraper assembly for screen printing pushes a scraper to reciprocate within the limit range of a slideway, so that the effect of preventing uneven front and rear pressure of a manual scraper during printing is achieved; namely, only the doctor blade can be driven to print;

in the above application document, when printing is performed on a printed piece below the screen by using the doctor blade and the screen, the printing liquid spreads to both sides under the pushing of the doctor blade, so that the printing liquid cannot be fully used, and the use efficiency of the printing liquid is reduced. To this end we provide a doctor assembly for screen printing.

Disclosure of Invention

The utility model aims to provide a scraper assembly for screen printing.

The technical problems solved by the utility model are as follows: when the scraper device for screen printing is used for printing a printed piece below the screen by using the scraper and the screen, printing liquid can scatter to two sides under the pushing of the scraper, so that the printing liquid cannot be fully used, and the problem of using efficiency of the printing liquid is reduced.

The utility model can be realized by the following technical scheme: the utility model provides a scraper subassembly for screen printing, includes the mounting bracket, is equipped with the processing chamber in the mounting bracket, and processing intracavity level moves and installs the scraper, is equipped with the linear drive spare that the drive scraper carries out horizontal slip on the mounting bracket, and the both sides of mounting bracket are all rotated and are connected with the push pedal, and two push pedals are established relatively in the both sides of scraper, are equipped with the impeller that drive two push pedals are close to the scraper on the mounting bracket.

The utility model further technically improves that: the installation rack is horizontally provided with a sliding groove, the sliding groove is arranged along the horizontal movement direction of the scraper, the sliding groove is internally provided with a movable frame, and the scraper is arranged on the movable frame.

The utility model further technically improves that: the bottom of the movable frame is vertically and slidably provided with a mounting block, the scraper is rotationally connected to the bottom of the mounting block, and the scraper is rotationally connected to the mounting block along the moving direction of the scraper.

The utility model further technically improves that: the linear driving piece comprises a driving motor and a moving screw rod, the moving screw rod is rotationally connected in the sliding groove, the moving screw rod is arranged along the length direction of the sliding groove, the driving motor is installed on the installation frame, an output shaft of the driving motor is in transmission connection with the moving screw rod, and the moving frame is in threaded fit connection with the moving screw rod.

The utility model further technically improves that: the pushing piece comprises two cams, the two cams are respectively contacted with the two pushing plates, two rotating shafts are vertically connected to the mounting frame in a rotating mode, one ends of the two rotating shafts are respectively connected with the axes of the two cams, each rotating shaft is provided with a transmission gear, and two sides of the moving frame are provided with two transmission racks which are meshed with the two transmission gears for transmission.

The utility model further technically improves that: the scraper is provided with a guide rod, and the movable frame is provided with a guide hole matched with the guide rod.

The utility model further technically improves that: and a plurality of mounting holes are formed in the mounting frame.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The device drives the two transmission gears to rotate through the two transmission racks on the two sides of the movable frame, so that the two cams are driven to drive the two push plates to reciprocate towards the scraper side, and the printing liquid is always positioned in the moving area of the scraper, so that the utilization efficiency of the printing liquid is improved, and the printing liquid can be fully used;

(2) The movable screw is driven to rotate by the driving motor, so that the movable frame is driven to move along the length direction of the chute, the movable frame, the mounting block and the scraper on the movable frame move horizontally, the scraper drives the printing liquid on the silk screen to move, and the printing liquid prints a printed piece through the silk screen;

(3) When the scraper moves horizontally, the scraper can rotate on the mounting block, so that the scraper contacts with the silk screen at an inclined angle, the stress of the scraper is reduced, and the service time of the scraper is prolonged.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a push plate of the present utility model;

FIG. 3 is an enlarged view of a portion of the utility model at A;

fig. 4 is a partial enlarged view of the present utility model at B.

In the figure: 1. a mounting frame; 2. a scraper; 3. a push plate; 4. a chute; 5. a moving rack; 6. a mounting block; 7. a driving motor; 8. moving the screw; 9. a cam; 10. a rotating shaft; 11. a transmission gear; 12. a drive rack; 13. a guide rod; 14. and (5) mounting holes.

Detailed Description

In order to further describe the technical means and effects adopted by the utility model for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the utility model with reference to the attached drawings and the preferred embodiment.

Referring to fig. 1-4, the utility model provides a scraper assembly for screen printing, which comprises a mounting frame 1, wherein a processing cavity is arranged in the mounting frame 1, a scraper 2 is horizontally and dynamically arranged in the processing cavity, a linear driving member for driving the scraper 2 to horizontally slide is arranged on the mounting frame 1, push plates 3 are rotatably connected to two sides of the mounting frame 1, the two push plates 3 are oppositely arranged at two sides of the scraper 2, and a pushing member for driving the two push plates 3 to approach the scraper 2 is arranged on the mounting frame 1; the screen is arranged at the bottom of the processing cavity, printing liquid is arranged on the screen, a printed piece is arranged below the screen, the bottom of the scraper 2 is in contact with the screen, the scraper 2 is driven to horizontally move by the linear driving piece, the scraper 2 is driven to drive the printing liquid on the screen to move, and the printing liquid is used for printing the printed piece through the screen; meanwhile, the pushing piece drives the two pushing plates 3 to push to the scraper 2 in a reciprocating manner, so that printing liquid is always located in the moving area of the silk screen, and the utilization efficiency of the printing liquid is improved;

the installation frame 1 is horizontally provided with a chute 4, the chute 4 is arranged along the horizontal movement direction of the scraper 2, a movable frame 5 is slidably installed in the chute 4, and the scraper 2 is installed on the movable frame 5. The moving direction of the moving frame 5 and the scraper 2 is guided by the sliding groove 4, so that the stability of the moving frame 5 and the scraper 2 during moving is improved.

The bottom of the moving frame 5 is vertically slidably provided with a mounting block 6, the scraper 2 is rotatably connected to the bottom of the mounting block 6, and the scraper 2 is rotatably connected to the mounting block 6 along the moving direction thereof. The scraper 2 and the installation piece 6 can vertically slide along the moving frame 5, so that the scraper 2 can vertically move onto the silk screen, when the linear driving piece drives the moving frame 5 and the scraper 2 to horizontally move, the scraper 2 can rotate on the installation piece 6, so that the scraper 2 contacts with the silk screen at an inclined angle, the stress of the scraper 2 is reduced, the abrasion of the scraper 2 is reduced, and the use times of the scraper 2 are improved.

The linear driving piece comprises a driving motor 7 and a moving screw rod 8, the moving screw rod 8 is rotationally connected in the sliding groove 4, the moving screw rod 8 is arranged along the length direction of the sliding groove 4, the driving motor 7 is installed on the installation frame 1, an output shaft of the driving motor 7 is in transmission connection with the moving screw rod 8, and the moving frame 5 is in threaded fit connection with the moving screw rod 8. The movable screw 8 is driven to rotate by the driving motor 7, so that the movable frame 5 is driven to move along the length direction of the sliding groove 4, the movable frame 5, the mounting block 6 and the scraper 2 thereon move horizontally, the scraper 2 drives printing liquid on the silk screen to move, and the printing liquid prints on a printed piece through the silk screen.

The pushing piece comprises two cams 9, the two cams 9 are respectively contacted with the two pushing plates 3, two rotating shafts 10 are vertically connected to the mounting frame 1 in a rotating mode, one ends of the two rotating shafts 10 are respectively connected with the axes of the two cams 9, each rotating shaft 10 is provided with a transmission gear 11, and two sides of the moving frame 5 are provided with two transmission racks 12 which are meshed with the two transmission gears 11 for transmission. When the movable frame 5 moves along the length direction of the sliding groove 4, the two transmission racks 12 on two sides of the movable frame 5 drive the two transmission gears 11 to rotate, so that the two cams 9 are driven to drive the two push plates 3 to push the scraper 2 to reciprocate, printing liquid is always located in the moving area of the scraper 2, and the utilization efficiency of the printing liquid is improved.

The scraper 2 is provided with a guide rod 13, and the movable frame 5 is provided with a guide hole matched with the guide rod 13. When the doctor blade 2 and the mounting block 6 vertically slide along the moving frame 5, the guide rod 13 moves along the guide hole, so that the doctor blade 2 can smoothly vertically slide, and the doctor blade 2 maintains the same horizontal angle.

The mounting frame 1 is provided with a plurality of mounting holes 14. The entire device is mounted to a corresponding wire mesh through a plurality of mounting holes 14.

When the screen printing device is used, the screen is arranged at the bottom of the processing cavity, the printing liquid is arranged on the screen, a printed piece is arranged below the screen, and the scraper 2 and the mounting block 6 can vertically slide along the movable frame 5, so that the scraper 2 can vertically move onto the screen and collide with the screen; the movable screw rod 8 is driven to rotate by the driving motor 7, so that the movable frame 5 is driven to move along the length direction of the chute 4, the movable frame 5, the mounting block 6 and the scraper 2 thereon move horizontally, the scraper 2 drives the printing liquid on the silk screen to move, and the printing liquid prints on a printed piece through the silk screen; at the moment, the scraper 2 can rotate on the mounting block 6, so that the scraper 2 contacts with the silk screen at an inclined angle, the stress of the scraper 2 is reduced, and the abrasion of the scraper 2 is reduced; the two transmission racks 12 on the two sides of the moving frame 5 drive the two transmission gears 11 to rotate, so that the two cams 9 are driven to drive the two push plates 3 to reciprocate towards the scraper 2, printing liquid is always located in the moving area of the scraper 2, and the utilization efficiency of the printing liquid is improved.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present utility model.

Claims

1. The utility model provides a scraper subassembly for screen printing, its characterized in that, includes mounting bracket (1), be equipped with the processing chamber in mounting bracket (1), processing intracavity level moves and installs scraper (2), be equipped with on mounting bracket (1) and drive scraper (2) and carry out horizontal slip's sharp driving piece, the both sides of mounting bracket (1) all rotate and are connected with push pedal (3), and two push pedal (3) establish the both sides in scraper (2) relatively, be equipped with the impeller that two push pedal (3) are close to scraper (2) of drive on mounting bracket (1).

2. A doctor assembly for screen printing according to claim 1, characterized in that the mounting frame (1) is horizontally provided with a chute (4), the chute (4) is arranged along the horizontal movement direction of the doctor (2), a movable frame (5) is slidably mounted in the chute (4), and the doctor (2) is mounted on the movable frame (5).

3. A doctor assembly for screen printing according to claim 2, wherein the bottom of the movable frame (5) is vertically slidably mounted with a mounting block (6), the doctor (2) is rotatably connected to the bottom of the mounting block (6), and the doctor (2) is rotatably connected to the mounting block (6) in the direction of movement thereof.

4. The scraper assembly for screen printing according to claim 2, wherein the linear driving member comprises a driving motor (7) and a moving screw (8), the moving screw (8) is rotatably connected in the sliding chute (4), the moving screw (8) is arranged along the length direction of the sliding chute (4), the driving motor (7) is mounted on the mounting frame (1), an output shaft of the driving motor (7) is in transmission connection with the moving screw (8), and the moving frame (5) is in threaded fit connection with the moving screw (8).

5. A doctor assembly for screen printing according to claim 2, wherein the pushing member comprises two cams (9), the two cams (9) are respectively contacted with the two push plates (3), two rotating shafts (10) are vertically connected to the mounting frame (1) in a rotating manner, one ends of the two rotating shafts (10) are respectively connected with the axes of the two cams (9), each rotating shaft (10) is provided with a transmission gear (11), and two sides of the movable frame (5) are provided with two transmission racks (12) which are meshed with the two transmission gears (11).

6. A doctor assembly for screen printing according to claim 2, characterized in that the doctor (2) is provided with a guide bar (13), and the moving frame (5) is provided with a guide hole adapted to the guide bar (13).

7. A doctor assembly for screen printing according to claim 1, characterized in that the mounting frame (1) is provided with a plurality of mounting holes (14).