Screen printing machine with screen printing plate convenient to replace

Abstract

The utility model discloses a screen printing machine convenient to replace a screen printing plate, which relates to the technical field of screen printing machines and comprises a machine body, U-shaped sliding rails are connected to two sides of the top end of the machine body, L-shaped supporting plates are connected to the top ends of the U-shaped sliding rails, a screen printing plate body is placed at the top ends of the two L-shaped supporting plates, and two fixing blocks are connected to two sides of the screen printing plate body. Moving seats are slidably connected to the two sides of the inner wall of the bottom end of the U-shaped sliding rail, connecting rods are connected to the middles of the top ends of the moving seats, moving plates are connected to the top ends of the connecting rods, and clamping rods are connected to the middles of one sides of the moving plates; the screen printing plate disassembling device has the advantages that the two corresponding clamping rods move towards the middle at the same time through cooperation of the movable base and the U-shaped sliding rails, so that the clamping rods are separated from the fixing blocks, after the four clamping rods are separated from the four fixing blocks one by one, a screen printing plate body is taken down from the two L-shaped supporting plates, the disassembling process and the screen printing plate taking and placing process can be executed separately, and the disassembling efficiency is improved. And the screen printing plate can be quickly replaced by a single person.

Description

Technical Field

[0001] The utility model relates to a screen printing machine, in particular to a screen printing machine which is convenient for replacing a screen, and belongs to the technical field of screen printing machines. Background Art

[0002] The full name of the screen printing machine is "silk screen printing machine". It can be divided into vertical screen printing machine, oblique arm screen printing machine, turntable screen printing machine, four-column screen printing machine and fully automatic screen printing machine. It is mainly used in the packaging and printing industry to print surface logos on wine boxes or gift boxes, print surface decorations on paper such as cardboard, and make special marks on packaging boxes or paper such as cardboard, playing an irreplaceable publicity role in packaging advertising.

[0003] Among them, the "a screen printing machine that is easy to replace the screen" disclosed in the application number "CN202321289888.6" is also an increasingly mature technology, including a processing table, a support plate is fixedly installed on the rear side of the processing table, a moving device is fixedly installed inside the support plate, an electric slide is fixedly installed on the front side of the moving device, two connecting rods are fixedly installed on the bottom of the electric slide and are symmetrically distributed on the left and right, the front sides of the two connecting rods are fixedly connected to the rear side of the sliding plate, a sliding groove is opened inside the sliding plate, and two sliders are slidably installed inside the sliding groove and are symmetrically distributed on the left and right, the two sliders are fixedly installed with clamping blocks, and a printing screen is movably installed between the two clamping blocks. The screen printing machine that is easy to replace the screen has the advantages that the pull plate pulled upward can release the connection between the docking plate and the printing screen, and the docking plate can more conveniently restrict the printing screen under the action of the spring. After further retrieval, the "screen printing machine" disclosed in the application number "CN201821721731.5" includes a body and a positioning table installed on one side of the body, a workbench is arranged on the body, a screen printing screen is installed on the upper side of the workbench, and a scraper is installed on the upper side of the screen printing screen. The positioning table is flush with the upper surface of the workbench, and at least two sliding grooves are opened on the positioning table. The direction of the sliding groove is perpendicular to the direction in which the substrate enters the screen printing machine. Two sliding components are installed in one sliding groove. The sliding component can slide in the sliding groove and can be fixed at the required position. By adopting the above technical solution, the position of the sliding component can be adjusted to be suitable for the positioning of substrates of various widths. Such a positioning method has a stable structure, is convenient and quick to use, and has high precision of the printed pattern.

[0004] However, the above method still has the following defects in actual use: it is necessary to pull two pull plates and the screen at the same time, which requires multiple people to operate, and it is difficult for a single person to quickly replace the screen. Therefore, the utility model provides a screen printing machine that is easy to replace the screen. Utility Model Content

[0005] The utility model aims to provide a screen printing machine which is convenient for replacing screens, so as to solve the problem in the above background technology that it is difficult for a single person to quickly replace the screens.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screen printing machine which is easy to replace the screen, comprising a body, both sides of the top of the body are connected with U-shaped slide rails, the top of the U-shaped slide rails is connected with an L-shaped support plate, the top of the two L-shaped support plates are placed with a screen body, both sides of the screen body are connected with two fixed blocks, both sides of the inner wall of the bottom end of the U-shaped slide rails are slidably connected with a movable seat, the middle part of the top of the movable seat is connected with a connecting rod, the connecting rod is slidably connected to the inside of the L-shaped support plate, the top of the connecting rod is connected with a movable plate, the middle part of one side of the movable plate is connected with a clamping rod, the clamping rod is clamped and connected with the fixed block, and one side of the L-shaped support plate is provided with an anti-mistouch mechanism.

[0007] As a preferred technical solution of the utility model, through grooves are provided on both sides of the top of the L-shaped support plate, the connecting rod is slidably connected to the inside of the through grooves, a clamping groove is provided in the middle of one side of the fixed block, and the clamping rod is clamped and connected to the clamping groove.

[0008] As a preferred technical solution of the utility model, the middle part of the U-shaped slide rail is rotatably connected to a bidirectional screw rod through a bearing, the outer wall of the bidirectional screw rod is threadedly connected to the middle part of the movable seat, and guide rods are connected to both sides of the U-shaped slide rail, and the outer wall of the guide rod is slidably connected to the inside of the movable seat.

[0009] As a preferred technical solution of the utility model, one end of the bidirectional screw rod passes through the front side of the U-shaped slide rail and is connected to a driven bevel gear. One side of the front side of the U-shaped slide rail is connected to a fixed plate. The middle part of the fixed plate is rotatably connected to a rotating shaft through a bearing. The rotating shaft passes through the fixed plate. One end of the rotating shaft is connected to a driving bevel gear, and the driving bevel gear is meshed with the driven bevel gear.

[0010] As a preferred technical solution of the utility model, the other end of the rotating shaft is connected to a turntable, the outer side of the turntable is connected to an anti-slip strip, and one side of the turntable is eccentrically connected to a handle.

[0011] As a preferred technical solution of the utility model, the anti-mistouch mechanism includes two connecting blocks, and the two connecting blocks are respectively arranged on one side of the two L-shaped support plates. The middle part of the connecting block is slidably connected with a pull rod, and the bottom end of the pull rod is connected to an arc-shaped limiting plate. The bottom end of the arc-shaped limiting plate is provided with an anti-slip groove, and the top end of the arc-shaped limiting plate is connected to an anti-slip block.

[0012] As a preferred technical solution of the utility model, a spring is connected to the middle of the top end of the arc-shaped limiting plate, the top end of the spring is connected to the bottom end of the connecting block, and the spring is sleeved on the outside of the pull rod.

[0013] As a preferred technical solution of the utility model, a mounting plate is connected to the bottom end of the U-shaped slide rail, and the mounting plate is connected to one side of the top end of the machine body by bolts.

[0014] Compared with the related art, the screen printing machine provided by the utility model which is convenient for replacing the screen has the following beneficial effects:

[0015] Through the cooperation of the moving seat and the U-shaped slide rail, the two corresponding clamping rods are moved toward the middle at the same time, so that the clamping rods are separated from the fixed blocks. After the four clamping rods are separated from the four fixed blocks one by one, the screen body is removed from the two L-shaped support plates. The disassembly process and the screen taking and placing process can be performed separately, which is convenient for one person to quickly replace the screen. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a schematic diagram of the exploded structure of the U-shaped slide rail of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion structure of the anti-accidental touch mechanism of the utility model;

[0019] Figure 4 For this utility model Figure 2 A is an enlarged structural diagram of FIG.

[0020] In the figure: 1. body; 2. U-shaped slide rail; 3. L-shaped support plate; 4. anti-accidental touch mechanism; 5. screen body; 6. fixed block; 7. slot; 8. moving plate; 9. clamping rod; 10. through slot; 11. connecting rod; 12. moving seat; 13. two-way screw rod; 14. guide rod; 15. driven bevel gear; 16. fixed plate; 17. rotating shaft; 18. driving bevel gear; 19. turntable; 20. handle; 21. mounting plate; 401. connecting block; 402. pull rod; 403. arc limit plate; 404. anti-drop block; 405. spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] See also Figure 1-4 The utility model provides a screen printing machine which is convenient for replacing screens, including a body 1, both sides of the top of the body 1 are fixedly connected with U-shaped slide rails 2, the top of the U-shaped slide rails 2 is fixedly connected with an L-shaped support plate 3, a screen body 5 is placed on the top of the two L-shaped support plates 3, both sides of the screen body 5 are fixedly connected with two fixed blocks 6, both sides of the inner wall of the bottom end of the U-shaped slide rail 2 are slidably connected with a moving seat 12, the middle part of the top of the moving seat 12 is fixedly connected with a connecting rod 11, the connecting rod 11 is slidably connected with the inside of the L-shaped support plate 3, the top of the connecting rod 11 is fixedly connected with a moving plate 8, the middle part of one side of the moving plate 8 is fixedly connected with a clamping rod 9, the clamping rod 9 is clamped and connected with the fixed block 6, the screen body 5 is first placed on the top of the two L-shaped support plates 3, and then the moving seat 12 is moved to make the clamping rod 9 clamped with the fixed block 6, the decomposition and replacement process is convenient for single-person operation, and one side of the L-shaped support plate 3 is provided with an anti-mistaken touch mechanism 4;

[0024] A through slot 10 is provided on both sides of the top of the L-shaped support plate 3, and a connecting rod 11 is slidably connected to the inside of the through slot 10. The through slot 10 limits the moving position and moving direction of the connecting rod 11. A clamping slot 7 is provided in the middle of one side of the fixed block 6, and the clamping rod 9 is clamped and connected to the clamping slot 7;

[0025] The middle part of the U-shaped slide rail 2 is rotatably connected with a bidirectional screw rod 13 through a bearing, and the outer wall of the bidirectional screw rod 13 is threadedly connected to the middle part of the moving seat 12. Both sides of the interior of the U-shaped slide rail 2 are fixedly connected with guide rods 14, and the outer wall of the guide rod 14 is slidably connected to the interior of the moving seat 12. Under the thread cooperation between the bidirectional screw rod 13 and the two moving seats 12, the two moving seats 12 move in the same direction, so that the two clamping rods 9 located on one side can be moved at the same time;

[0026] One end of the bidirectional screw rod 13 passes through the front of the U-shaped slide rail 2 and is fixedly connected with a driven bevel gear 15. A fixed plate 16 is fixedly connected to one side of the front of the U-shaped slide rail 2. The middle part of the fixed plate 16 is rotatably connected with a rotating shaft 17 through a bearing. The rotating shaft 17 passes through the fixed plate 16. One end of the rotating shaft 17 is fixedly connected with a driving bevel gear 18. The driving bevel gear 18 is meshed with the driven bevel gear 15. Under the meshing cooperation of the driving bevel gear 18 and the driven bevel gear 15, the bidirectional screw rod 13 is rotated to change the operation direction, which is convenient for the staff to operate;

[0027] The other end of the rotating shaft 17 is fixedly connected to a rotating disk 19, and an anti-skid strip is fixedly connected to the outer side of the rotating disk 19. A plurality of anti-skid strips are provided, which are arranged at equal distances on the outer side of the rotating disk 19. A handle 20 is eccentrically fixedly connected to one side of the rotating disk 19. Shaking the handle 20 facilitates the rotation of the rotating disk 19 and the rotating shaft 17.

[0028] The bottom end of the U-shaped slide rail 2 is fixedly connected with a mounting plate 21, which is connected to one side of the top of the body 1 by bolts. By unscrewing the bolts, the mounting position of the mounting plate 21 can be changed according to the size of the mesh body 5;

[0029] Specifically, first, the two handles 20 are rotated in sequence to rotate the turntable 19, driving the rotating shaft 17 and the active bevel gear 18 to rotate, and the two-way screw rod 13 is rotated under the meshing cooperation of the active bevel gear 18 and the driven bevel gear 15, and the two-way screw rod 13 is matched with the threads of the two movable seats 12, so that the two movable seats 12 move toward the middle at the same time, driving the connecting rod 11 and the movable plate 8 to move, and then driving the two corresponding clamping rods 9 to move toward the middle at the same time, so that the clamping rods 9 are disengaged from the clamping slots 7, so that the mesh version body 5 is disengaged from the limit, and then the mesh version body 5 is removed, and the mesh version body 5 can be replaced by one person.

[0030] Embodiment 2:

[0031] The anti-mis-touch mechanism 4 includes two connecting blocks 401, which are respectively fixedly arranged on one side of the two L-shaped support plates 3. A pull rod 402 is slidably connected to the middle of the connecting block 401, and a curved limit plate 403 is fixedly connected to the bottom end of the pull rod 402. An anti-skid groove is provided at the bottom end of the curved limit plate 403, and an anti-slip block 404 is fixedly connected to the top end of the curved limit plate 403. The pull rod 402 drives the curved limit plate 403 to move downward, and the turntable 19 is limited by the cooperation of the anti-skid groove and a plurality of anti-skid strips to avoid accidentally touching the turntable 19 and prevent the turntable 19 from rotating at will.

[0032] A spring 405 is fixedly connected to the middle of the top of the arc-shaped limit plate 403, and the top of the spring 405 is fixedly connected to the bottom of the connecting block 401. The spring 405 is sleeved on the outside of the pull rod 402. Under the elastic force of the spring 405, the arc-shaped limit plate 403 moves downward.

[0033] Specifically, after limiting the position of the mesh body 5, the anti-slip block 404 is released, and under the resetting action of the spring 405, the pull rod 402 and the arc-shaped limiting plate 403 move downward, and with the cooperation of the anti-slip groove and multiple anti-slip strips, the turntable 19 is limited to avoid accidental touching of the turntable 19 and prevent the turntable 19 from rotating at will.

[0034] When in use, first use one hand to pull one of the anti-slip blocks 404 upwards, so that the pull rod 402 drives the arc-shaped limit plate 403 to move upward, squeeze the spring 405, and then make the turntable 19 disengage from the limit, and then use the other hand to shake the handle 20 to rotate the turntable 19 and the rotating shaft 17, drive the active bevel gear 18 to rotate, and under the meshing cooperation of the active bevel gear 18 and the driven bevel gear 15, the bidirectional screw rod 13 is rotated, and under the thread cooperation of the bidirectional screw rod 13 and the two moving seats 12, the two moving seats 12 are moved toward the middle at the same time, driving the connecting rod 11 and the moving plate 8 to move, and then driving the two corresponding clamping rods 9 to move toward the middle at the same time, so that the clamping rods 9 are disengaged from the clamping slots 7;

[0035] Release the anti-slip block 404, and under the resetting action of the spring 405, the pull rod 402 and the arc-shaped limiting plate 403 move downward, and with the cooperation of the anti-slip groove and multiple anti-slip strips, the turntable 19 is limited to avoid accidental touching of the turntable 19 and prevent the turntable 19 from rotating at will. Repeat the above operation on the other side of the mesh body 5 to make the mesh body 5 disengage from the limit, and then remove the mesh body 5. The mesh body 5 can be replaced by one person.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screen printing machine that is easy to replace screens, comprising a machine body (1), characterized in that: Both sides of the top of the machine body (1) are connected with U-shaped slide rails (2), the top of the U-shaped slide rails (2) are connected with an L-shaped support plate (3), the tops of the two L-shaped support plates (3) are placed with a mesh body (5), both sides of the mesh body (5) are connected with two fixed blocks (6), both sides of the inner wall of the bottom end of the U-shaped slide rail (2) are slidably connected with a moving seat (12), the middle of the top of the moving seat (12) is connected with a connecting rod (11), the connecting rod (11) is slidably connected with the inside of the L-shaped support plate (3), the top of the connecting rod (11) is connected with a moving plate (8), the middle of one side of the moving plate (8) is connected with a clamping rod (9), the clamping rod (9) is clamped and connected with the fixed block (6), and one side of the L-shaped support plate (3) is provided with an anti-mistouch mechanism (4).

2. A screen printing machine that is easy to replace screens according to claim 1, characterized in that: Through grooves (10) are provided on both sides of the top of the L-shaped support plate (3), the connecting rod (11) is slidably connected to the inside of the through groove (10), a clamping groove (7) is provided in the middle of one side of the fixing block (6), and the clamping rod (9) is clamped and connected to the clamping groove (7).

3. A screen printing machine that is easy to replace screens according to claim 2, characterized in that: The middle part of the U-shaped slide rail (2) is rotatably connected to a bidirectional screw rod (13) via a bearing, the outer wall of the bidirectional screw rod (13) is threadedly connected to the middle part of the movable seat (12), and both sides of the interior of the U-shaped slide rail (2) are connected to guide rods (14), and the outer wall of the guide rod (14) is slidably connected to the interior of the movable seat (12).

4. The screen printing machine for easy replacement of screens according to claim 3, characterized in that: One end of the bidirectional screw rod (13) passes through the front of the U-shaped slide rail (2) and is connected to a driven bevel gear (15); one side of the front of the U-shaped slide rail (2) is connected to a fixed plate (16); the middle of the fixed plate (16) is rotatably connected to a rotating shaft (17) through a bearing; the rotating shaft (17) passes through the fixed plate (16); one end of the rotating shaft (17) is connected to a driving bevel gear (18); the driving bevel gear (18) is meshedly connected to the driven bevel gear (15).

5. The screen printing machine for easy replacement of screens according to claim 4, characterized in that: The other end of the rotating shaft (17) is connected to a rotating disk (19), the outer side of the rotating disk (19) is connected to an anti-slip strip, and one side of the rotating disk (19) is eccentrically connected to a handle (20).

6. The screen printing machine for easy replacement of screens according to claim 1, characterized in that: The anti-mis-touch mechanism (4) comprises two connecting blocks (401), the two connecting blocks (401) are respectively arranged on one side of the two L-shaped support plates (3), the middle part of the connecting block (401) is slidably connected with a pull rod (402), the bottom end of the pull rod (402) is connected with an arc-shaped limiting plate (403), the bottom end of the arc-shaped limiting plate (403) is provided with an anti-slip groove, and the top end of the arc-shaped limiting plate (403) is connected with an anti-slip block (404).

7. A screen printing machine that is easy to replace screens according to claim 6, characterized in that: A spring (405) is connected to the middle of the top of the arc-shaped limiting plate (403), the top of the spring (405) is connected to the bottom of the connecting block (401), and the spring (405) is sleeved on the outside of the pull rod (402).

8. The screen printing machine for easy replacement of screens according to claim 1, characterized in that: The bottom end of the U-shaped slide rail (2) is connected to a mounting plate (21), and the mounting plate (21) is connected to one side of the top end of the machine body (1) via bolts.

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