Printing plate spraying device

Abstract

The utility model discloses a printing plate spraying device which comprises a workbench, a top plate is fixedly supported above the workbench through a supporting rod, a spraying box is fixedly arranged at the upper end of the top plate, a connecting base is movably arranged at the bottom end of the spraying box and located below the top plate, the bottom end of the connecting base is in threaded connection with a spraying head, and the spraying head is in threaded connection with the top end of the spraying box. Limiting devices are movably arranged on the two sides of the lower portion of the spraying head and located at the upper end of the workbench, each limiting device comprises two U-shaped bases, a pressing plate and a first threaded rod, and openings of the two U-shaped bases are arranged on the sides close to each other. The second motor is started to drive the rotating rod to rotate, meanwhile, the connecting rods at the two ends are driven to drive the positions of the limiting devices to change under limiting of the limiting grooves, the distance between the limiting devices on the two sides is adjusted according to approaching and leaving of the connecting rods at the two ends, and therefore adjustment can be conducted according to the size of a printing plate.

Description

Technical Field

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

[0002] Printing plates are referred to as printing plates. They are mainly used to transfer ink to the carrier of printed images on the substrate. Printing plates can be divided into four categories: relief plates, gravure plates, lithographic plates and stencil plates. Printing plates need to be sprayed before processing to improve the smoothness of their surface and improve the quality of the product.

[0003] Prior art CN202121022673.9, a board spraying device for furniture production, which sprays the board surface through the left and right reciprocating movement of the spray head through the mutual cooperation among a servo motor, a first threaded rod, a first threaded sleeve, a first liquid outlet pipe, a spray head, a spray box, a second liquid outlet pipe, a valve and a hose, so that the spraying is more uniform and the product quality is improved. The board is clamped through the mutual cooperation among the C-shaped plate, the second threaded rod, the pressure plate, the second threaded sleeve, the first slide groove and the first slider, and the board can be flipped through the mutual cooperation among the square tube, the rectangular plate, the first spring, the first rotating shaft, the second rotating shaft, the first gear, the second gear, the second hand wheel, the second slider and the second slide groove, thereby reducing the labor of manual secondary flipping and clamping of the board, thereby improving work efficiency.

[0004] However, its plate spraying device is not convenient for fixing plates of different sizes, which leads to limitations in the use of spraying; therefore, it does not meet the existing needs. In this regard, we propose a printed plate spraying device. Utility Model Content

[0005] The utility model aims to provide a printing plate spraying device to solve the problem that the plate spraying device proposed in the above background technology is inconvenient to fix plates of different sizes, thus resulting in limitations in spraying use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a printing plate spraying device, comprising a workbench, a top plate fixedly supported on the top of the workbench by a support rod, a spray box fixedly provided on the upper end of the top plate, a connecting seat movably provided at the bottom end of the spray box and located below the top plate, a spray head is threadedly connected to the bottom end of the connecting seat, and limiting devices are movably provided on both sides below the spray head and located at the upper end of the workbench, the limiting device comprises a U-shaped seat, a pressure plate and a first threaded rod, the U-shaped seat is provided with two groups, and the openings of the two groups of U-shaped seats are arranged on one side close to each other.

[0007] Preferably, the pressure plates are slidably connected to the inside of the U-shaped seats on both sides, and the upper ends of the pressure plates on both sides are rotatably connected to the first threaded rod through a rotating shaft, and the first threaded rod threads extend through and extend to the outside of the top end of the U-shaped seat.

[0008] Preferably, a groove is opened inside the workbench, and a rotating rod is connected to the middle of the groove through a second motor drive, and connecting rods are hinged at both ends of the rotating rod, and the upper ends of the connecting rods at both ends away from the rotating rod are fixedly connected to connecting blocks.

[0009] Preferably, limiting grooves are provided on both sides of the upper end of the workbench, and the limiting grooves are connected through the grooves, and the ends of the connecting blocks on both sides away from the connecting rods pass through the limiting grooves and extend to the upper end of the workbench, and the ends of the connecting blocks on both sides located at the upper end of the workbench are respectively fixedly connected to the bottom end of the U-shaped seat.

[0010] Preferably, both sides of the bottom end of the top plate are fixedly connected with fixed plates, one side of the fixed plates on both sides is connected with a second threaded rod driven by a first motor, one side of the second threaded rod is fixed with a sliding rod, one side of the connecting seat is threadedly connected to the outer surface of the second threaded rod, and the other side slides on the outer surface of the sliding rod.

[0011] Preferably, the bottom end of the spray box passes through the connecting seat through a delivery pipe and is connected to the inside of the spray head.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model starts the second motor to drive the rotating rod to rotate. When the rotating rod rotates, the connecting rods at both ends are driven to move under the limit of the limit groove, and then the position of the limit device is driven to change through the connection with the limit device. When the two ends of the rotating rod rotate to be close to the axis, the connecting rods at both ends are driven to be close to each other, and then the limit devices on both sides are close to each other. When the two ends of the rotating rod rotate to be away from the axis, the connecting rods at both ends are driven to be away from each other, and the limit devices on both sides are driven to be away from each other, so that the size of the printing plate can be adjusted according to the size of the printing plate;

[0014] 2. The utility model places the two ends of the printing plate inside the U-shaped seat respectively, and then rotates the first threaded rod, which is rotatably connected with the upper end of the pressing plate through the first threaded rod, thereby pushing the pressing plate to slide along the inside of the U-shaped seat and approach the upper end of the printing plate until the printing plate is clamped and fixed, thereby facilitating the clamping and fixing according to the thickness of the printing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2It is a front view of the utility model as a whole;

[0017] Figure 3 It is a schematic diagram of the structure inside the groove of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the limiting device of the utility model.

[0019] In the figure: 1. workbench; 101. groove; 102. limit groove; 2. limit device; 201. U-shaped seat; 202. pressure plate; 203. first threaded rod; 3. top plate; 4. spray box; 5. first motor; 6. second threaded rod; 7. sliding rod; 8. connecting seat; 9. spray head; 10. second motor; 11. rotating rod; 12. connecting rod; 13. connecting block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figures 1 to 4 The utility model provides an embodiment: a printing plate spraying device, including a workbench 1, a top plate 3 is fixedly supported above the workbench 1 by a support rod, a spray box 4 is fixedly provided at the upper end of the top plate 3, a connecting seat 8 is movably provided at the bottom end of the spray box 4 and located below the top plate 3, a spray head 9 is threadedly connected to the bottom end of the connecting seat 8, and a limiting device 2 is movably provided on both sides below the spray head 9 and located at the upper end of the workbench 1, the limiting device 2 includes a U-shaped seat 201, a pressing plate 202 and a first threaded rod 203, the U-shaped seat 201 is provided with two groups, and the openings of the two groups of U-shaped seats 201 are arranged on one side close to each other.

[0022] A groove 101 is provided inside the workbench 1, and a rotating rod 11 is connected in the middle of the groove 101 by driving the second motor 10. Connecting rods 12 are hinged at both ends of the rotating rod 11, and connecting blocks 13 are fixedly connected to the upper ends of the connecting rods 12 at both ends away from the rotating rod 11. Limiting grooves 102 are provided on both sides of the upper end of the workbench 1, and the limiting grooves 102 are through-connected with the groove 101. The ends of the connecting blocks 13 on both sides away from the connecting rods 12 pass through the limiting grooves 102 and extend to the upper end of the workbench 1, and the ends of the connecting blocks 13 on both sides located at the upper end of the workbench 1 are fixedly connected to the bottom ends of the U-shaped seats 201 respectively.

[0023] By starting the second motor 10, the rotating rod 11 is driven to rotate. When the rotating rod 11 rotates, the connecting rods 12 at both ends are driven to move under the limit of the limit groove 102, and then the position of the limit device 2 is driven to change through the connection with the limit device 2. When the two ends of the rotating rod 11 rotate to be close to the axis, the connecting rods 12 at both ends are driven to be close to each other, and then the limit devices 2 on both sides are close to each other. When the two ends of the rotating rod 11 rotate to be away from the axis, the connecting rods 12 at both ends are driven to be away from each other, and the limit devices 2 on both sides are moved away from each other, so that it can be adjusted according to the size of the printing plate.

[0024] The pressing plates 202 are respectively slidably connected to the inside of the U-shaped seats 201 on both sides. The upper ends of the pressing plates 202 on both sides are rotatably connected to the first threaded rod 203 through the rotating shaft, and the first threaded rod 203 is threadedly extended to the outside of the top of the U-shaped seat 201. By placing the two ends of the printed plate in the inside of the U-shaped seat 201 respectively, the first threaded rod 203 is rotated at this time, and the first threaded rod 203 is rotatably connected to the upper end of the pressing plate 202, thereby pushing the pressing plate 202 to slide along the inside of the U-shaped seat 201 and approach the upper end of the printed plate until the printed plate is clamped and fixed, thereby facilitating the clamping and fixing according to the thickness of the printed plate.

[0025] Both sides of the bottom end of the top plate 3 are fixedly connected with fixed plates, and a second threaded rod 6 is connected between one side of the fixed plates on both sides by driving the first motor 5. A sliding rod 7 is fixedly provided on one side of the second threaded rod 6. One side of the connecting seat 8 is threadedly connected to the outer surface of the second threaded rod 6, and the other side slides on the outer surface of the sliding rod 7. The bottom end of the spray box 4 passes through the connecting seat 8 through a conveying pipe, and is connected to the inside of the spray head 9.

[0026] By starting the first motor 5 to drive the second threaded rod 6 to rotate, the second threaded rod 6 rotates and the thread drives the connecting seat 8 to slide along the sliding rod 7, thereby driving the spray head 9 to spray the surface of the printed plate evenly.

[0027] When the printing plate spraying device is used, the second motor 10 is started to drive the rotating rod 11 to rotate. When the rotating rod 11 rotates, the connecting rods 12 at both ends are driven to move under the limit of the limit groove 102, and then the position of the limit device 2 is driven to change through the connection with the limit device 2. When the two ends of the rotating rod 11 rotate to be close to the axis, the connecting rods 12 at both ends are driven to be close to each other, and then the limit devices 2 on both sides are close to each other. When the two ends of the rotating rod 11 rotate to be away from the axis, the connecting rods 12 at both ends are driven to be away from each other, and the limit devices 2 on both sides are moved away from each other, so that it can be adjusted according to the size of the printing plate; according to the size of the printing plate After adjusting the distance between the limit devices 2, the two ends of the printed plate are placed inside the U-shaped seat 201 respectively, and the first threaded rod 203 is rotated at this time, and the first threaded rod 203 is rotatably connected with the upper end of the pressing plate 202, thereby pushing the pressing plate 202 to slide along the inside of the U-shaped seat 201 and approach the upper end of the printed plate until the printed plate is clamped and fixed, thereby facilitating the clamping and fixing according to the thickness of the printed plate; finally, the first motor 5 is started to drive the second threaded rod 6 to rotate, and while the second threaded rod 6 rotates, the thread drives the connecting seat 8 to slide along the sliding rod 7, thereby driving the spray head 9 to spray the surface of the printed plate evenly.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A printing plate spraying device, comprising a workbench (1), characterized in that: A top plate (3) is fixedly supported on the top of the workbench (1) by a support rod, a spray box (4) is fixedly provided on the upper end of the top plate (3), a connecting seat (8) is movably provided at the bottom end of the spray box (4) and located below the top plate (3), a spray head (9) is threadedly connected to the bottom end of the connecting seat (8), and a limiting device (2) is movably provided on both sides below the spray head (9) and located at the upper end of the workbench (1), the limiting device (2) comprising a U-shaped seat (201), a pressure plate (202) and a first threaded rod (203), the U-shaped seat (201) being provided in two groups, and the openings of the two groups of U-shaped seats (201) are arranged on one side close to each other.

2. A printing plate spraying device according to claim 1, characterized in that: The pressing plates (202) are respectively slidably connected to the inside of the U-shaped seats (201) on both sides, and the upper ends of the pressing plates (202) on both sides are rotatably connected to the first threaded rod (203) via a rotating shaft, and the first threaded rod (203) is threadedly extended to the outside of the top end of the U-shaped seat (201).

3. A printing plate spraying device according to claim 1, characterized in that: A groove (101) is provided inside the workbench (1), and a rotating rod (11) is connected to the middle of the groove (101) through the drive of a second motor (10), and connecting rods (12) are hinged at both ends of the rotating rod (11), and the upper ends of the connecting rods (12) at both ends away from the rotating rod (11) are fixedly connected to connecting blocks (13).

4. A printing plate spraying device according to claim 3, characterized in that: Limiting grooves (102) are provided on both sides of the upper end of the workbench (1), and the limiting grooves (102) are connected to the grooves (101); the ends of the connecting blocks (13) on both sides away from the connecting rods (12) pass through the limiting grooves (102) and extend to the upper end of the workbench (1); the ends of the connecting blocks (13) on both sides located at the upper end of the workbench (1) are fixedly connected to the bottom ends of the U-shaped seats (201) respectively.

5. A printing plate spraying device according to claim 1, characterized in that: Both sides of the bottom end of the top plate (3) are fixedly connected to fixed plates, one side of the fixed plates on both sides is connected to a second threaded rod (6) driven by a first motor (5), one side of the second threaded rod (6) is fixedly provided with a sliding rod (7), one side of the connecting seat (8) is threadedly connected to the outer surface of the second threaded rod (6), and the other side slides on the outer surface of the sliding rod (7).

6. A printing plate spraying device according to claim 1, characterized in that: The bottom end of the spray box (4) passes through the connection seat (8) through a delivery pipe and is connected to the inside of the spray head (9).

Images