CN211968797U - Plastic drum screen printing machine - Google Patents

Abstract

The utility model relates to a plastic barrel screen printing machine, which relates to the technical field of screen printing. The utility model comprises a frame, a clamping device for fixing the plastic barrel and a printing assembly located above the clamping device. The ink return mechanism, the printing assembly includes a mounting plate that slides horizontally on the frame, the screen printing plate is fixed on the mounting plate, the left and right sides of the long side of the mounting plate are connected with guide columns, and the guide columns are connected with racks slidably up and down; A drive device for driving the mounting plate to slide horizontally on the frame is installed on the frame; the clamping device includes a lifting mechanism connected to the lower end of the frame, and the clamping device also includes a clamping mechanism connected to the lifting mechanism, the rack and the rotating Gears mesh. The utility model has the effect of making the gear and the rack easily maintain the meshing state.

Description

A plastic barrel screen printing machine

technical field

The utility model relates to the technical field of screen printing, in particular to a plastic barrel screen printing machine.

Background technique

At present, the screen printing machine is a machine that prints with a screen printing plate, which belongs to a type of printing machine. A screen printing machine is a machine that prints text and images, and is a general term for machines or equipment used to produce printed matter. The screen printing machine belongs to the representative printing equipment in the stencil printing machine. In addition to real silk, the material for making the screen can also be made of nylon wire, copper wire, steel wire or stainless steel wire. When printing on the surface of the plastic barrel, put the plastic barrel on the drum, lift the drum to the screen, put the screen ink into the screen frame, and use a rubber squeegee to press and scrape on the screen frame. At this time, the ink is Through the transparent mesh, the pictures are printed on the outer surface of the plastic bucket.

The utility model with the existing authorization announcement number CN208085228U discloses a screen printing machine for a plastic bucket, the technical solution of which is that it includes a frame, a clamping device for fixing the plastic bucket, a printing device located above the clamping, and a The scraper lifting device above the printing device, the printing device includes a traverse mechanism that moves horizontally on the frame, two horizontally arranged support plates that are detachably and fixedly connected to the sides of the traverse mechanism, and the inner side walls of the two support plates respectively Two fixed plates that are attached to each other and a printing screen that is detachably and fixedly connected between the two fixed plates, and the traverse mechanism includes a horizontally arranged traverse plate that is slidably connected to the side wall of the frame, and a horizontally arranged traverse plate arranged at the bottom of the traverse plate. A drive motor and a vertically arranged gear fixed on the rotating shaft of the drive motor are fixed on the bottom of the traverse plate at the position corresponding to the gear.

The above-mentioned prior art solutions have the following defects: when the clamping device and the printing device are in a separated state, and the gear and the rack are in a separated state, when working, the clamping device is driven by the air cylinder. When moving downward in the direction of the printing device, when the gear moves to the rack, there may be a state where the gear and the rack are not fully meshed. Usually, the drive motor needs to be adjusted to make the gear mesh with the rack.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a plastic barrel screen printing machine, which has the effect of making the gear and the rack easily maintain the meshing state.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions: a plastic barrel screen printing machine, comprising:

frame;

A printing assembly, the printing assembly includes a mounting plate that slides horizontally on the frame, a screen printing plate is fixed on the mounting plate, and guide posts are connected to the left and right sides of the long side of the mounting plate, and the guide posts are up and down The sliding connection has a rack;

The drive device is installed on the frame to drive the mounting plate to slide horizontally on the frame;

A clamping device, the clamping device includes a lifting mechanism connected to the lower end of the frame, the clamping device also includes a clamping mechanism connected to the lifting mechanism, a connecting rod is connected to the lifting mechanism, and the clamping mechanism The mechanism includes a first mounting seat connected to the connecting rod, the first mounting seat is rotatably connected with a rotating shaft, the two ends of the rotating shaft are respectively fixedly connected with a rotating gear and a first positioning plate, and the connecting rod is connected with the first positioning plate. a second mounting seat arranged in parallel with the mounting seat, a fourth cylinder is fixedly connected to the second mounting seat, and a second positioning plate opposite to the first positioning plate is rotatably connected to the piston rod of the fourth cylinder;

an ink scraping and ink-returning mechanism, the ink scraping and ink-returning mechanism is fixed on the frame and arranged above the screen printing plate;

The rack is meshed with the rotating gear.

By adopting the above technical solution, when the clamping mechanism is retracted on the support frame, the rotating gear meshes with the rack. It is connected to the guide columns on both sides of the mounting plate, and the rotating gear pushes the rack to move up along the guide column. During the upward movement of the rack, the rack and the rotating gear are always in meshing state. During the left and right movement, the rack and the rotating gear mesh and move, so that the rack and the rotating gear can easily maintain the meshing effect, thereby improving the matching precision of the clamping device and the printing assembly.

In a preferred example of the present invention, it can be further configured that: the guide column is sleeved with a sliding block slidably connected to the guide column, and the rack is connected to the side wall of the sliding block.

By adopting the above technical solution, the rack is connected to the sliding block, and the sliding block is slidably connected to the guide column, and the sliding block drives the rack to slide up and down on the guide column.

In a preferred example of the present invention, an adjustment hole is formed at one end of the rack connected to the sliding block, and a fixing bolt passing through the adjustment hole is connected between the rack and the sliding block.

By adopting the above technical solution, during installation, the rack and the sliding block are initially matched with the fixing bolts. After the clamping mechanism is installed, the rack is fine-tuned left and right through the adjustment hole to mesh the rack with the rotating gear, and then the fixing bolts are tightened. The rack and the sliding block are fixed, and the adjustment hole can facilitate the adjustment of the meshing state of the rack and the rotating gear during the installation process.

In a preferred example of the present invention, it can be further configured that: the guide column is sleeved with a first spring above the rack, and the first spring is fixedly connected to the mounting plate.

By adopting the above technical solution, when the rotating gear pushes the rack to move upward, the rack squeezes the first spring, and the first spring squeezes the rack, so that the meshing strength of the rack and the rotating gear is improved.

In a preferred example of the present invention, a mounting ring is provided at one end of the guide column away from the mounting plate, a second spring is sleeved on the bottom of the guide column, and the second spring is fixedly connected to inside the mounting ring.

By adopting the above technical solution, when the rack moves to one end of the rack and meshes with the rotating gear, the rack at the end away from the meshing portion moves downward, and the second spring supports the rack upwards and plays a buffering role. The second spring is fixed to one end of the guide column by a screw rod, and when in use, the second spring can be quickly installed and replaced by removing the installation ring.

In a preferred example of the present invention, it can be further configured as follows: the mounting plate is connected with a connecting block, the upper end of the frame is provided with a sliding rail for the connecting block to slide, and the driving device includes a connecting block fixed on the frame. A motor, the motor is connected with a driving gear, the side of the frame away from the driving gear is provided with a driven gear, a toothed belt is connected between the driving gear and the driven gear, and the connecting block is connected to the toothed belt .

By adopting the above technical solution, the motor drives the driving gear to rotate, and the cooperation of the driving gear and the driven gear drives the toothed belt. During the transmission of the toothed belt, the connecting block moves along the slide rail, and the motor can directly drive the printing assembly to move.

In a preferred example of the present invention, it can be further configured as follows: the lifting mechanism includes a support frame arranged below the connecting rod, a third cylinder fixed on the support frame, a guide rod slidably connected to the support frame up and down, the guide rod and The piston rod of the third cylinder is connected to the connecting rod.

By adopting the above technical solution, the third cylinder drives the clamping mechanism to move up and down, and at the same time, the guide rods arranged at the lower end of the lifting mechanism are arranged in a triangle, so that the lifting and lowering of the clamping mechanism is more stable.

In a preferred example of the present invention, the ink scraping and ink returning mechanism can be further configured as follows: the ink scraping and ink returning mechanism includes a scraping blade and an ink scraping blade, and the scraping blade is connected with a device that drives the scraping blade to be close to or away from the screen printing plate. A first air cylinder, the ink returning knife is connected with a second air cylinder which drives the ink returning knife to be close to or away from the screen printing plate.

By adopting the above technical solution, the first cylinder drives the squeegee to abut on the screen printing plate, the squeegee squeezes the ink through the screen printing plate to the plastic barrel wall, and the second cylinder drives the ink return blade to abut against the screen printing plate. Screen printing plate, when the motor drives the screen printing plate to move in the direction of the ink return knife, it scrapes the ink on the screen printing plate evenly.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. The utility model can easily maintain the meshing effect of the rack and the rotating gear, thereby improving the matching precision of the clamping device and the printing assembly.

2. During installation, the rack and the sliding block are initially matched through the fixing bolts. After the clamping mechanism is installed, fine-tune the rack through the adjustment holes to make the rack mesh with the rotating gear, and then tighten the fixing bolts to make the rack and the rotating gear mesh. The sliding block is fixed, and the adjustment hole can facilitate the adjustment of the meshing state of the rack and the rotating gear during installation.

Description of drawings

Fig. 1 is the structural schematic diagram of the overall structure of the present embodiment;

2 is a schematic structural diagram of a guide column highlighted in this embodiment;

3 is a schematic structural diagram of the present embodiment highlighting the rack mounting structure;

FIG. 4 is a state schematic diagram of the use process of this embodiment.

Reference numerals: 1, frame; 101, slide rail; 2, clamping device; 3, printing assembly; 4, ink scraping mechanism; 41, scraper; 42, scraper; 43, first cylinder ; 44, the second cylinder; 5, the driving device; 51, the motor; 52, the driving gear; 53, the driven gear; 6, the toothed belt; 7, the connecting block; 8, the fixing block; 9, the mounting plate; 10, the wire Screen printing plate; 11, guide post; 12, sliding block; 121, through hole; 13, mounting ring; 131, screw connection; 132, accommodating groove; 133, screw rod; 14, first spring; 15, second spring ; 16, rack; 161, adjustment hole; 17, fixing bolt; 18, clamping mechanism; 181, first mounting seat; 182, second mounting seat; 19, support frame; 20, first positioning plate; 202, Rotating gear; 21, rotating shaft; 22, lifting mechanism; 221, third cylinder; 222, guide rod; 23, second positioning plate; 24, fourth cylinder; 25, connecting rod.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIG. 1, it is a plastic barrel screen printing machine disclosed by the utility model, including a frame 1, a clamping device 2 for fixing the plastic barrel is arranged at the lower end of the frame 1, and the frame 1 is located at the upper end of the clamping device 2 A printing assembly 3 is provided. Above the printing assembly 3, a scraping and ink-returning mechanism 4 is arranged. The scraping and ink-returning mechanism 4 includes a scraping blade 41 and an ink-returning blade 42. The scraping blade 41 is connected with a first cylinder 43, which returns the ink A second air cylinder 44 is connected to the knife 42 .

1, the upper end of the frame 1 is provided with a driving device 5 for driving the printing assembly 3 to reciprocate horizontally along the frame 1. The driving device 5 includes a motor 51 fixed on the frame 1. The motor 51 is connected with a toothed belt transmission structure. The belt transmission structure includes a driving gear 52 , a driven gear 53 and a toothed belt 6 , and the motor 51 drives the driving gear 52 to rotate, thereby driving the toothed belt 6 for transmission. The toothed belt 6 is connected with a connecting block 7, the upper end of the rack 1 is provided with a slide rail 101 for the connecting block 7 to slide horizontally on the rack 1, and one end of the connecting block 7 extending out of the rack 1 is connected with a mounting plate 9. The mounting plate A screen printing plate 10 is connected to 9 .

1 and 2 , two ends of the long side of the mounting plate 9 are respectively connected with guide posts 11 , and slide blocks 12 are slidably connected to the guide posts 11 . One end of the guide column 11 connected with the mounting plate 9 is provided with a fixing block 8 , and the fixing block 8 is connected with the mounting plate 9 . An end of the guide post 11 away from the mounting plate 9 is screwed with a mounting ring 13 . The mounting ring 13 includes a screw connection section 131 which is screwed with the guide post 11 . The upper end of the screw connection section 131 is provided with a receiving groove 132 , and the side wall of the holding groove 132 is provided with a receiving groove 132 . A screw 133 is screwed on the upper part. A first spring 14 and a second spring 15 are sleeved on the guide column 11 , the end of the first spring 14 in contact with the fixing block 8 is welded with the fixing block 8 , and the end of the second spring 15 connected with the mounting ring 13 is placed in the accommodating groove 132 Inside.

1 and 2 , when installing the guide column 11 , the fixing block 8 is first welded to one end of the guide column 11 , the first spring 14 is sleeved from the other end of the guide column 11 , and the first spring 14 is welded on the fixing block 8 , to fix one end of the first spring 14, then set the sliding block 12 on the guide column 11, and then set the second spring 15 on the guide column 11, then install the mounting ring 13, and put the second spring 15 against the Connected to the accommodating groove 132 of the mounting ring 13 , the second spring 15 is fixed by tightening the screw rod 133 .

Referring to FIG. 3 , a rack 16 is connected between the two sliding blocks 12 , an adjustment hole 161 is provided at one end of the rack 16 connected to the sliding block 12 , the adjustment hole 161 is a waist-shaped hole, and the rack 16 and the sliding block 12 are fixed by When installing the rack 16, first connect the rack 16 to the sliding block 12 through the fixing bolt 17, adjust the rack 16 to a suitable position through the adjustment of the adjustment hole 161, and then tighten the fixing bolt 17 to achieve The fixation between the rack 16 and the sliding block 12 .

4, the clamping device 2 includes a clamping mechanism 18 and a lifting mechanism 22, the lower end of the frame 1 is connected with a support frame 19, the lifting mechanism 22 is connected to the support frame 19, the lifting mechanism 22 includes a third air cylinder 221, and the lifting mechanism 22 It also includes guide rods 222. There are three guide rods 222 arranged in a triangle. When the third cylinder 221 drives the clamping mechanism 18 to lift and lower, the guide rods 222 arranged in a triangle provide three angles of guiding and supporting force, so that the The lifting and lowering process of the clamping mechanism 18 is more stable.

Referring to FIG. 4 , a connecting rod 25 is connected to the upper end of the lifting mechanism 22 , a first mounting seat 181 and a second mounting seat 182 are arranged on the connecting rod 25 , and a rotating shaft 21 is rotatably connected to the first mounting seat 181 , and the two ends of the rotating shaft 21 are respectively The first positioning plate 20 and the rotating gear 202 are connected, and the first positioning plate 20 and the rotating gear 202 are rotated on the first mounting seat 181 through the rotating shaft 21 . The fourth cylinder 24 is fixed on the second mounting seat 182 , and a second positioning plate 23 is rotatably connected to the piston rod of the fourth cylinder 24 . The second positioning plate 23 is opposite to the first positioning plate 20 and coaxially disposed.

The specific implementation of this embodiment:

When in use, the plastic bucket to be printed with the icon is fixed on the clamping mechanism 18, the first positioning plate 20 and the second positioning plate 23 position the plastic bucket, activate the third air cylinder 221, and make the third air cylinder 221 push the clamping mechanism. The mechanism 18 is raised to the lower side of the printing assembly 3, and the plastic barrel wall is brought close to the screen printing plate 10. During the upward movement of the clamping mechanism 18, the rotating gear 202 always abuts the rack 16, and the rack 16 is on the sliding block. 12 moves upward along the guide column 11 . During the upward movement, the first spring 14 is squeezed, and the first spring 14 reacts against the rack 16 , so that the rotating gear 202 and the rack 16 are tightly pressed.

The first cylinder 43 drives the squeegee 41 to abut on the screen printing plate 10. At this time, the motor 51 drives the screen printing plate 10 to move in the direction of the squeegee 41, and the squeegee 41 penetrates the ink through the screen printing plate. 10 is squeezed onto the wall of the plastic barrel. After the printing is completed, the third air cylinder 221 is reset, and the clamping mechanism 18 is lowered. The first air cylinder 43 drives the squeegee 41 not to contact the screen printing plate 10 , and the second air cylinder 44 drives the ink returning blade 42 to abut the screen printing plate 10 . When the direction moves, scrape the ink on the screen printing plate 10 evenly.

After the printing is completed, the third air cylinder 221 drives the clamping mechanism 18 to move away from the screen printing plate 10. Since the sliding block 12 slides on the guide column 11, the sliding block 12 and the rack 16 slide down under the action of gravity, The rack 16 and the rotating gear 202 are easily maintained in a meshed state.

When used, the examples of this specific embodiment are all preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly, so: all equivalents made according to the structure, shape and principle of the present invention Changes should be covered within the scope of protection of the present invention.

Claims (8)

1. A plastic barrel screen printing machine, comprising:

a frame (1);

the printing assembly (3) comprises a mounting plate (9) which horizontally slides on the rack (1), a silk screen printing plate (10) is fixed on the mounting plate (9), guide columns (11) are connected to the left and right sides of the long edge of the mounting plate (9), and racks (16) are connected to the guide columns (11) in an up-and-down sliding manner;

the driving device (5) is arranged on the rack (1) and used for driving the mounting plate (9) to horizontally slide on the rack (1);

the clamping device (2), the clamping device (2) comprises a lifting mechanism (22) connected with the lower end of the frame (1), the clamping device (2) also comprises a clamping mechanism (18) connected with the lifting mechanism (22), the lifting mechanism (22) is connected with a connecting rod (25), the clamping mechanism (18) comprises a first mounting seat (181) connected with the connecting rod (25), the first mounting seat (181) is rotatably connected with a rotating shaft (21), two ends of the rotating shaft (21) are respectively and fixedly connected with a rotating gear (202) and a first positioning plate (20), a second mounting seat (182) which is arranged in parallel with the first mounting seat (181) is connected to the connecting rod (25), a fourth air cylinder (24) is fixedly connected to the second mounting seat (182), and a piston rod of the fourth air cylinder (24) is rotatably connected with a second positioning plate (23) which is arranged opposite to the first positioning plate (20);

the ink scraping and returning mechanism (4) is fixed on the rack (1) and arranged above the screen printing plate (10);

the rack (16) is engaged with the rotating gear (202).

2. A plastic drum screen printing machine according to claim 1, wherein: the guide post (11) is sleeved with a sliding block (12) which is connected to the guide post (11) in a sliding mode, and the rack (16) is connected to the side wall of the sliding block (12).

3. A plastic drum screen printing machine according to claim 2, wherein: adjusting holes (161) are opened at one end of the rack (16) connected with the sliding block (12), and a fixing bolt (17) penetrating through the adjusting holes (161) is connected between the rack (16) and the sliding block (12).

4. A plastic drum screen printing machine according to claim 1, wherein: the guide post (11) is sleeved with a first spring (14) above the rack (16), and the first spring (14) is fixedly connected to the mounting plate (9).

5. A plastic bucket screen printing machine as claimed in claim 4, wherein: the one end that mounting panel (9) were kept away from in guide post (11) is provided with collar (13), guide post (11) are equipped with second spring (15) in the below cover of rack (16), and second spring (15) fixed connection is in collar (13).

6. A plastic drum screen printing machine according to claim 1, wherein: be connected with connecting block (7) on mounting panel (9), frame (1) upper end is provided with supplies connecting block (7) gliding slide rail (101), drive arrangement (5) are including being fixed in motor (51) on frame (1), motor (51) are connected with driving gear (52), one side that driving gear (52) were kept away from in frame (1) is provided with driven gear (53), be connected with cingulum (6) between driving gear (52) and driven gear (53), connecting block (7) are connected on cingulum (6).

7. A plastic drum screen printing machine according to claim 1, wherein: the lifting mechanism (22) comprises a support frame (19) arranged below the connecting rod (25), a third air cylinder (221) fixed on the support frame (19), and a guide rod (222) connected to the support frame (19) in a vertical sliding mode, and piston rods of the guide rod (222) and the third air cylinder (221) are connected to the connecting rod (25).

8. A plastic drum screen printing machine according to claim 1, wherein: the ink scraping and returning mechanism (4) comprises a scraping blade (41) and an ink returning blade (42), a first air cylinder (43) for driving the scraping blade (41) to be close to or far away from the screen printing plate (10) is connected to the scraping blade (41), and a second air cylinder (44) for driving the ink returning blade (42) to be close to or far away from the screen printing plate (10) is connected to the ink returning blade (42).

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