Positioning device for paper product printing
By designing a positioning device for printing paper products including longitudinal and transverse positioning devices, the problem that existing devices cannot position paper products of different sizes is solved, and effective positioning and height adjustment of paper products of different sizes and thicknesses is achieved, and the improvement of Printing quality and practicality of the device.
Patent Information
- Application Number
- CN202421327525.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The existing positioning device for printing paper products cannot be positioned for different sizes, and the fixed height of the device cannot be adjusted, the application range is narrow and the practicality is poor.
A positioning device for printing paper products including longitudinal positioning devices and transverse positioning devices is designed, and the positioning of paper products of different widths and thicknesses is realized through components such as electric telescopic rods, pre-tightening components, screw rods and internal threaded cylinders. The height is adjusted through the lifting device to adapt to different working environments.
Effective positioning of paper products of different sizes and thicknesses is achieved, preventing movement during printing, improving printing quality, and adapting to different working environments through height adjustment, enhancing the practicality of the device.
Smart Images
Figure CN222451690U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of printing, in particular to a positioning device for printing paper products. Background Art
[0002] A printing press is a device used to copy images or text onto various media. It is widely used in publishing, packaging, advertising, decoration and other industries. During the printing process of paper products, paper deviation may occur, which will affect the printing quality and cause problems such as skewed, overlapping, or missing patterns or text, affecting the consistency of batch products. Therefore, a positioning device is required to position the paper products during the printing process.
[0003] Existing positioning devices for paper product printing cannot realize positioning of paper products of different sizes, and can only meet the positioning of a single product. Moreover, existing devices are all of fixed height and cannot be adjusted in height according to different working environments. They have a narrow scope of application and poor practicality. Utility Model Content
[0004] The purpose of the utility model is to provide a positioning device for paper product printing to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A positioning device for paper product printing comprises a mounting frame, a conveyor belt assembly is provided on the mounting frame, longitudinal positioning devices are relatively provided on both sides of the conveyor belt assembly, a transverse positioning device is provided at the front end of the conveyor belt assembly, and a lifting device is provided below the mounting frame, the longitudinal positioning device comprises an electric telescopic rod, a connecting plate, a pre-tightening assembly, a first U-shaped plate, a first roller and a first guide rod, the electric telescopic rod is fixedly connected to the mounting frame, the end of the electric telescopic rod is fixedly connected to the connecting plate, the connecting plate is an inverted L-shape, a plurality of pre-tightening assemblies are fixedly connected to the top wall of the connecting plate, the other end of the pre-tightening assembly is fixedly connected to the first U-shaped plate, a plurality of first rollers are rotatably connected in the first U-shaped plate, two first guide rods are provided on both sides of the electric telescopic rod, one end of the first guide rod is fixedly connected to the connecting plate, and the other end passes through the side plate and is slidably connected to the side plate; the pre-tightening assembly comprises a telescopic rod and a spring, one end of the telescopic rod is fixedly connected to the connecting plate, and the other end is fixedly connected to the first U-shaped plate, and a spring is provided on the outer sleeve of the telescopic rod.
[0007] As a further solution of the utility model: the mounting frame includes a mounting plate and a side plate, and two side plates are fixedly connected to both sides of the mounting plate.
[0008] As a further solution of the utility model: the conveyor belt assembly includes a driving shaft, a first motor, a driving roller, a driven shaft, a driven roller, and a conveyor belt. One end of the driving shaft is rotatably connected to a side plate, and the other end passes through another side plate and is fixedly connected to the output end of the first motor. The first motor is fixedly connected to the side plate, and the driving shaft is fixedly connected to the driving roller. A driven shaft is provided on the other side of the driving roller, and the driven shaft is rotatably connected to two side plates. The driven shaft is fixedly connected to the driven roller, and a conveyor belt is provided on the driven roller and the driving roller.
[0009] As a further solution of the utility model: the lateral positioning device includes a connecting frame, a second motor, a screw rod, an internal threaded barrel, a second U-shaped plate, a second roller and a second guide rod. The connecting frame is fixedly connected to the two side plates, the connecting frame is fixedly connected to the second motor, the output end of the second motor is fixedly connected to the screw rod, the screw rod passes through the top wall of the connecting frame, an internal threaded barrel is provided outside the screw rod, the internal threaded barrel is threadedly connected to the screw rod, the lower part of the internal threaded barrel is fixedly connected to the second U-shaped plate, the second roller is rotatably connected inside the second U-shaped plate, two second guide rods are provided on both sides of the screw rod, one end of the second guide rod is fixedly connected to the second U-shaped plate, and the other end passes through the connecting frame and is slidably connected to it.
[0010] As a further scheme of the utility model: the lifting device includes a base plate, guide rails, sliders, a connecting seat, scissor arms, connecting rods, connecting blocks, a bidirectional screw rod, a fixed seat, a third motor and a motor seat. Two guide rails are fixedly connected to the two sides of the base plate relative to each other, two sliders are slidingly connected to the two guide rails relative to each other, four connecting seats are fixedly connected at the four corners of the bottom of the mounting plate, two connecting seats on one side of the lateral side and two sliders are hinged with scissor arms, a connecting rod is fixedly connected between two groups of two sliders relative to each other in the longitudinal direction, connecting blocks are fixedly connected to the two connecting rods relative to each other, bidirectional screw rods are arranged in the two connecting blocks, two sides of the bidirectional screw rod are threadedly connected to the two connecting blocks, one end of the bidirectional screw rod is rotatably connected to the fixed seat, and the other end is fixedly connected to the output end of the third motor, and a motor seat is fixedly connected below the third motor.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: a positioning device for paper product printing can realize positioning of paper products of different widths and thicknesses through the electric telescopic rod and pre-tightening assembly on the longitudinal positioning device, and the lead screw and internal threaded cylinder in the transverse positioning device, and can position the paper products in three directions of X, Y and Z axes, which can effectively prevent the paper products from moving during the printing process and ensure the printing quality; the height adjustment can be achieved through the set lifting device, and can be adjusted to the corresponding height according to the requirements of the on-site working environment, so as to meet the needs of different working environments and have stronger practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 The present invention is a front view of a positioning device for paper product printing.
[0013] Figure 2 The figure is a top view of a positioning device for paper product printing.
[0014] Figure 3 The figure is a left view above a mounting frame in a positioning device for paper product printing.
[0015] Figure 4 The present invention is a schematic structural diagram of a longitudinal positioning device in a positioning device for paper product printing.
[0016] Figure 5 The present invention is a top view of a bottom plate in a positioning device for printing paper products.
[0017] In the figure: 1, mounting frame; 11, mounting plate; 12, side plate; 2, conveyor belt assembly; 21, driving shaft; 22, first motor; 23, driving roller; 24, driven shaft; 25, driven roller; 26, conveyor belt; 3, longitudinal positioning device; 31, electric telescopic rod; 32, connecting plate; 33, pre-tightening assembly; 331, telescopic rod; 332, spring; 34, first U-shaped plate; 35, first roller; 36, first guide rod; 4 , lateral positioning device; 41, connecting frame; 42, second motor; 43, screw; 44, internal threaded cylinder; 45, second U-shaped plate; 46, second roller; 47, second guide rod; 5, lifting device; 51, bottom plate; 52, guide rail; 53, slider; 54, connecting seat; 55, scissors arm; 56, connecting rod; 57, connecting block; 58, bidirectional screw; 59, fixed seat; 510, third motor; 511, motor seat. DETAILED DESCRIPTION
[0018] 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.
[0019] See also Figures 1 to 5 In an embodiment of the utility model, a positioning device for paper product printing includes a mounting frame 1, a conveyor belt assembly 2 is provided on the mounting frame 1, longitudinal positioning devices 3 are provided on both sides of the conveyor belt assembly 2, a transverse positioning device 4 is provided at the front end of the conveyor belt assembly 2, and a lifting device 5 is provided below the mounting frame 1.
[0020] The mounting frame 1 includes a mounting plate 11 and a side plate 12, and two side plates 12 are fixedly connected on both sides of the mounting plate 11. The conveyor belt assembly 2 includes a driving shaft 21, a first motor 22, a driving roller 23, a driven shaft 24, a driven roller 25, and a conveyor belt 26. One end of the driving shaft 21 is rotatably connected to one side plate 12, and the other end passes through another side plate 12 and is fixedly connected to the output end of the first motor 22. The first motor 22 is fixedly connected to the side plate 12. The driving shaft 21 is fixedly connected to the driving roller 23. The other side of the driving roller 23 is provided with a driven shaft 24, and the driven shaft 24 is rotatably connected to the two side plates 12. The driven shaft 24 is fixedly connected to the driven roller 25, and a conveyor belt 26 is provided on the driven roller 25 and the driving roller 23.
[0021] The longitudinal positioning device 3 is relatively arranged on the two side plates 12, and the longitudinal positioning device 3 includes an electric telescopic rod 31, a connecting plate 32, a pre-tightening component 33, a first U-shaped plate 34, a first roller 35 and a first guide rod 36. The electric telescopic rod 31 is fixedly connected to the side plate 12, and the end of the electric telescopic rod 31 is fixedly connected to the connecting plate 32, and the connecting plate 32 is an inverted L-shape. A plurality of pre-tightening components 33 are fixedly connected to the top wall of the connecting plate 32, and the other end of the pre-tightening component 33 is fixedly connected to the first U-shaped plate 34, and a plurality of first rollers 35 are rotatably connected in the first U-shaped plate 34. Two first guide rods 36 are arranged on both sides of the electric telescopic rod 31, and one end of the first guide rod 36 is fixedly connected to the connecting plate 32, and the other end passes through the side plate 12 and is slidably connected to the side plate 12; the pre-tightening component 33 includes a telescopic rod 331 and a spring 332, one end of the telescopic rod 331 is fixedly connected to the connecting plate 32, and the other end is fixedly connected to the first U-shaped plate, and a spring 332 is arranged on the outer sleeve of the telescopic rod 331. Before printing paper products, the distance between the two longitudinal positioning devices 3 is adjusted according to the width of the paper products to be printed, so that the distance between the side walls of the two connecting plates 32 is the same as the width of the paper products, thereby limiting the position of the paper products to prevent deviation during movement. Then, the conveyor belt assembly 2 is started, and the paper products are placed on the conveyor belt assembly 2. The paper products are moved to the bottom of the longitudinal positioning device 3, and the two ends are limited by the connecting plates 32. The first rollers 35 on both sides press the two ends of the paper products to prevent the paper products from moving in the Z-axis direction and ensure the flatness of the paper products. The setting of the pre-tightening assembly 33 can realize the positioning of paper products of different thicknesses, ensuring that the first roller 35 presses paper products of different thicknesses, which is more practical.
[0022] The lateral positioning device 4 includes a connecting frame 41, a second motor 42, a screw rod 43, an internal threaded cylinder 44, a second U-shaped plate 45, a second roller 46 and a second guide rod 47. The connecting frame 41 is fixedly connected to the two side plates 12, the second motor 42 is fixedly connected to the connecting frame 41, the output end of the second motor 42 is fixedly connected to the screw rod 43, the screw rod 43 passes through the top wall of the connecting frame 41, an internal threaded cylinder 44 is provided outside the screw rod 43, the internal threaded cylinder 44 is threadedly connected to the screw rod 43, the lower part of the internal threaded cylinder 44 is fixedly connected to the second U-shaped plate 45, the second roller 46 is rotatably connected in the second U-shaped plate 45, two second guide rods 47 are provided on both sides of the screw rod 43, one end of the second guide rod 47 is fixedly connected to the second U-shaped plate 45, and the other end passes through the connecting frame 41 and is slidably connected thereto. During the printing process of paper products, the utility model not only performs longitudinal positioning on both sides of the paper products, but also performs transverse positioning on the paper products to ensure smooth transverse movement of the paper products. When performing transverse positioning, the height of the transverse positioning device 4 is adjusted according to the thickness of the paper products, and the second motor 42 is started. The second motor 42 drives the screw rod 43 to rotate, and the screw rod 43 drives the internal threaded cylinder 44 to move up and down. The internal threaded cylinder 44 drives the second U-shaped plate 45 and the second roller 46 to move up and down, so that the second roller 46 contacts the paper products, thereby realizing the transverse positioning of the paper products.
[0023] In order to make the utility model adapt to different working environments, a lifting device 5 is provided under the mounting frame 1 to meet the requirements of different heights. The lifting device 5 includes a bottom plate 51, a guide rail 52, a slider 53, a connecting seat 54, a scissor arm 55, a connecting rod 56, a connecting block 57, a bidirectional screw rod 58, a fixing seat 59, a third motor 510 and a motor seat 511. Two guide rails 52 are fixedly connected to each other on both sides of the bottom plate 51. Two sliders 53 are slidably connected to each other on the two guide rails 52. Four connecting rods 53 are fixedly connected to the four corners of the bottom of the mounting plate 11. The connecting seat 54, two connecting seats on one side of the lateral direction and two sliders 53 are hinged with scissor arms 55, and a connecting rod 56 is fixedly connected between two groups of sliders 53 opposite to each other in the longitudinal direction, and connecting blocks 57 are fixedly connected to the two connecting rods 56 relative to each other, and two-way screw rods 58 are arranged in the two connecting blocks 57, and the two sides of the two-way screw rod 58 are threadedly connected to the two connecting blocks 57, one end of the two-way screw rod 58 is rotatably connected to the fixing seat 59, and the other end is fixedly connected to the output end of the third motor 510, and a motor seat 511 is fixedly connected below the third motor 510. When the height of the utility model needs to be adjusted, the third motor 510 is started, and the third motor 510 drives the two-way screw rod 58 to rotate, and the two-way screw rod 58 drives the two connecting blocks 57 to move in the same direction or opposite directions, and the connecting block 57 drives the two connecting rods 56 to move in the same direction or opposite directions, and the connecting rod 56 drives the sliders 53 on both sides to move in the same direction or opposite directions, so as to achieve the change of the angle of the scissor arms 55 for height adjustment.
[0024] The working principle of the utility model is as follows: when using the utility model, firstly, the lifting device 5 is adjusted according to the working needs to adapt to the required working height, and then the distance between the two longitudinal positioning devices 3 is adjusted according to the width of the paper product to be printed, so that the distance between the side walls of the two connecting plates 32 is the same as the width of the paper product, thereby limiting the paper product to prevent deviation during the movement, and then starting the conveyor belt assembly 2, placing the paper product on the conveyor belt assembly 2, and the paper product moves to the bottom of the longitudinal positioning device 3, and the two ends are limited by the connecting plates 32, and the first rollers 35 on both sides press the two ends of the paper product to prevent the paper product from moving in the Z-axis direction, thereby ensuring the flatness of the paper product and pre-tightening it. The arrangement of the component 33 can realize the positioning of paper products of different thicknesses, ensuring that the first roller 35 presses paper products of different thicknesses, and is more practical; then the lateral positioning device 4 is started, and the height of the lateral positioning device 4 is adjusted according to the thickness of the paper product, and the second motor 42 is started, and the second motor 42 drives the screw rod 43 to rotate, and the screw rod 43 drives the internal threaded cylinder 44 to move up and down, and the internal threaded cylinder 44 drives the second U-shaped plate 45 and the second roller 46 to move up and down, so that the second roller 46 contacts the paper product, thereby realizing the lateral positioning of the paper product; by positioning the paper product longitudinally and transversely, the stability of the movement of the paper product during printing is guaranteed, and the printing quality is improved.
[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A positioning device for paper product printing, comprising a mounting frame (1), characterized in that: A conveyor belt assembly (2) is provided on the mounting frame (1), longitudinal positioning devices (3) are provided on both sides of the conveyor belt assembly (2) relative to each other, a transverse positioning device (4) is provided at the front end of the conveyor belt assembly (2), a lifting device (5) is provided below the mounting frame (1), the longitudinal positioning device (3) comprises an electric telescopic rod (31), a connecting plate (32), a pre-tightening assembly (33), a first U-shaped plate (34), a first roller (35) and a first guide rod (36), the electric telescopic rod (31) is fixedly connected to the mounting frame (1), the end of the electric telescopic rod (31) is fixedly connected to a connecting plate (32), the connecting plate (32) is in an inverted L shape, and the top wall of the connecting plate (32) is fixedly connected to the connecting plate (32). There are a plurality of pre-tightening components (33), the other end of the pre-tightening component (33) is fixedly connected to a first U-shaped plate (34), a plurality of first rollers (35) are rotatably connected inside the first U-shaped plate (34), two first guide rods (36) are arranged on both sides of the electric telescopic rod (31), one end of the first guide rod (36) is fixedly connected to the connecting plate (32), and the other end passes through the side plate (12) and is slidably connected to the side plate (12); the pre-tightening component (33) comprises a telescopic rod (331) and a spring (332), one end of the telescopic rod (331) is fixedly connected to the connecting plate (32), and the other end is fixedly connected to the first U-shaped plate, and a spring (332) is arranged on the outer sleeve of the telescopic rod (331).
2. A positioning device for paper product printing according to claim 1, characterized in that: The mounting frame (1) comprises a mounting plate (11) and a side plate (12), and two side plates (12) are fixedly connected to both sides of the mounting plate (11).
3. A positioning device for paper product printing according to claim 2, characterized in that: The conveyor belt assembly (2) comprises a driving shaft (21), a first motor (22), a driving roller (23), a driven shaft (24), a driven roller (25), and a conveyor belt (26); one end of the driving shaft (21) is rotatably connected to a side plate (12), and the other end passes through another side plate (12) and is fixedly connected to the output end of the first motor (22); the first motor (22) is fixedly connected to the side plate (12); the driving shaft (21) is fixedly connected to the driving roller (23); a driven shaft (24) is provided on the other side of the driving roller (23); the driven shaft (24) is rotatably connected to the two side plates (12); the driven shaft (24) is fixedly connected to the driven roller (25); and the conveyor belt (26) is provided on the driven roller (25) and the driving roller (23).
4. A positioning device for paper product printing according to claim 3, characterized in that: The lateral positioning device (4) comprises a connecting frame (41), a second motor (42), a screw rod (43), an internally threaded cylinder (44), a second U-shaped plate (45), a second roller (46) and a second guide rod (47). The connecting frame (41) is fixedly connected to the two side plates (12). The second motor (42) is fixedly connected to the connecting frame (41). The output end of the second motor (42) is fixedly connected to the screw rod (43). The screw rod (43) passes through the top of the connecting frame (41). The screw rod (43) is provided with an internal threaded barrel (44) outside, the internal threaded barrel (44) is threadedly connected to the screw rod (43), a second U-shaped plate (45) is fixedly connected to the lower part of the internal threaded barrel (44), a second roller (46) is rotatably connected to the second U-shaped plate (45), two second guide rods (47) are provided on both sides of the screw rod (43), one end of the second guide rod (47) is fixedly connected to the second U-shaped plate (45), and the other end passes through the connecting frame (41) and is slidably connected to the second U-shaped plate.
5. A positioning device for paper product printing according to claim 4, characterized in that: The lifting device (5) comprises a base plate (51), a guide rail (52), a slider (53), a connecting seat (54), a scissor arm (55), a connecting rod (56), a connecting block (57), a bidirectional screw rod (58), a fixing seat (59), a third motor (510) and a motor seat (511); two guide rails (52) are fixedly connected to each other on both sides of the base plate (51); two sliders (53) are slidably connected to each other on the two guide rails (52); four connecting seats (54) are fixedly connected to the four corners of the bottom of the mounting plate (11); two connecting seats and two sliders are fixedly connected to each other on one lateral side; A scissor arm (55) is hinged on the block (53); a connecting rod (56) is fixedly connected between two groups of longitudinally opposite sliders (53); connecting blocks (57) are fixedly connected to the two connecting rods (56) in opposite directions; two connecting blocks (57) are provided with bidirectional screw rods (58); two sides of the bidirectional screw rods (58) are threadedly connected to the two connecting blocks (57); one end of the bidirectional screw rod (58) is rotatably connected to a fixed seat (59); the other end is fixedly connected to an output end of a third motor (510); a motor seat (511) is fixedly connected below the third motor (510).