Roller printing machine
By using granite solid rollers and electric conveyor rollers in the rolling roll press, combined with precision control devices, the problem of inaccurate heating temperature and time control of wood-plastic boards is solved, the imprinting accuracy and quality are improved, and efficient building decoration is achieved Product production.
Patent Information
- Application Number
- CN202110955885.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-08-19
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2041-08-19
AI Technical Summary
The existing wood-plastic board rolling printing presses are not accurately controlled in the heating temperature and time, resulting in a decrease in the quality of the imprinting. Moreover, due to thermal expansion and contraction, it is difficult to achieve high-quality construction decoration production.
A roll printing machine is designed, using granite solid rollers as extrusion rollers, combined with electric conveying rollers and control devices to achieve precise control of heating temperature and time, and reduce the impact of thermal expansion and contraction through thermal insulation layer.
It realizes precision heating control of wood-plastic boards, avoids the impact of thermal expansion and contraction on the imprint quality, improves printing accuracy and quality, and has a simple structure, low cost and simple operation.
Smart Images
Figure CN113858600B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of building material processing equipment, and more specifically to a roller printing machine. Background Art
[0002] Wood-plastic board is a high-tech product made of hot-melt plastic, including polyethylene, polypropylene, and polyvinyl chloride as adhesives, and wood powder such as wood, plant straw, and plant shell powder as fillers through advanced process equipment. Its products have high standards in tensile strength, flexural strength, flexural modulus, and impact strength. Therefore, it is used as components of walls, ceilings, or floors in the construction industry.
[0003] However, with the development of society and the improvement of people's quality of life, people's requirements for the quality of buildings and decorations are gradually increasing. The embossing patterns of wood-plastic panels in the prior art are easily reduced in quality due to the inaccurate control of heating temperature and heating time, and the embossing accuracy is easily reduced due to thermal expansion and contraction during the operation.
[0004] Therefore, how to provide a roller printing machine that can precisely control the heating temperature and heating time and avoid thermal expansion and contraction affecting the printing quality is one of the technical problems that urgently need to be solved in this field. Summary of the invention
[0005] In view of this, the present invention provides a roller printing machine, which is provided for the purpose of solving the above-mentioned shortcomings.
[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:
[0007] A roller printing machine comprises: a shell, wherein the left and right ends of the shell are respectively provided with an inlet and an outlet; a transmission device, wherein the transmission device comprises a plurality of conveying rollers and two connecting plates, wherein the two connecting plates are respectively horizontally arranged on the front and rear inner walls of the shell; the plurality of conveying rollers are arranged below the inlet, and the two ends of each conveying roller are respectively fixedly connected to the two connecting plates; a heating device, wherein the heating device is fixedly connected to the inside of the shell and arranged above the plurality of conveying rollers; an extrusion device, wherein the extrusion device comprises two extrusion rollers and two motors, wherein the two extrusion rollers are symmetrically arranged up and down and arranged on the left side of the plurality of conveying rollers; each of the extrusion rollers is fixedly connected to the front and rear inner walls of the shell; the lower extrusion roller is arranged below the outlet, and its upper end surface is arranged parallel to the upper end surface of each conveying roller; the two motors are respectively fixedly arranged above and below the outlet, and each of the motors is movably connected to one of the extrusion rollers through a chain.
[0008] Preferably, the two motors are fixedly connected to the left inner wall of the housing.
[0009] Preferably, a gap is left between the two squeezing rollers.
[0010] Preferably, a gap of 0.8-1.3 cm is left between the two squeezing rollers.
[0011] Preferably, bearings are installed at both ends of each squeezing roller.
[0012] Preferably, each of the squeezing rollers and each of the motors is provided with a gear matched with the chain.
[0013] Preferably, it also includes a guide roller and a control device; the guide roller is arranged on the left side of the squeezing roller below, and the upper end surfaces of the two are arranged in parallel; the guide roller is clamped on the front and rear inner walls of the shell; the control device is arranged on the shell, and each of the conveying rollers, each of the motors, and the guide rollers are electrically connected to the control device respectively.
[0014] Preferably, holes for clamping the guide roller and the bearing are reserved on the inner walls on both the front and rear sides of the shell.
[0015] Preferably, a heat insulation layer is provided between the control device and the housing.
[0016] Preferably, the heat insulation layer is glass fiber, asbestos, aerogel felt or vacuum board.
[0017] Preferably, each of the squeezing rollers is a solid granite roller.
[0018] The beneficial effect of this technical solution is that by using a solid granite roller as the stamping surface, the printing accuracy is effectively avoided from being affected by thermal expansion and contraction of the stamping surface.
[0019] Preferably, each of the conveying roller and the guide roller is a motorized roller.
[0020] Compared with the prior art, the present invention has achieved the following technical effects:
[0021] By electrically connecting the heating device and each of the conveying rollers to the control device respectively, precise control of the heating temperature and heating time of panels of different materials can be achieved; and by utilizing the low thermal conductivity of granite, the influence of thermal expansion and contraction on the quality of embossing can be effectively avoided during the embossing process, and finally the technical effect of precisely embossing patterns and improving the embossing quality is achieved. In addition, the roller printing machine has a simple structure, low cost, easy operation and greater practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a structural schematic diagram of a roller printing machine of the present invention;
[0023] Figure 2 It is an enlarged schematic diagram of point B of a roller printing machine of the present invention;
[0024] Figure 3 The present invention is a schematic diagram of a housing hole of a roller printing machine.
[0025] In the figure: 1. shell; 11. inlet; 12. outlet; 2. transmission device; 21. conveying roller; 22. connecting plate; 3. heating device; 4. extrusion device; 41. extrusion roller; 411. bearing; 42. motor; 5. guide roller; 6. control device. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0027] Example 1
[0028] Reference Figure 1-3The roller printing machine shown in the figure comprises: a housing 1, a transmission device 2, a heating device 3, an extrusion device 4, a guide roller 5 and a control device 6; wherein the left and right ends of the housing 1 are respectively provided with an inlet 11 and an outlet 12; the transmission device 2 comprises a plurality of conveying rollers 21 and two connecting plates 22, and the two connecting plates 22 are respectively horizontally arranged on the inner walls of the front and rear sides of the housing 1; a plurality of conveying rollers 21 are arranged below the inlet 11, and the two ends of each conveying roller 21 are respectively fixedly connected to the two connecting plates 22; the heating device 3 is fixedly connected to the inside of the housing 1, and is arranged above the plurality of conveying rollers 21; the extrusion device 4 comprises two extrusion rollers 41 and two motors 42, and bearings 411 are installed at both ends of the granite solid rollers, and a gap of 0.8 to 1.3 cm is left between the two extrusion rollers 41, and the two extrusion rollers 41 are respectively provided with a gap of 0.8 to 1.3 cm. The pressure roller 41 is symmetrically arranged up and down, and is arranged on the left side of multiple conveying rollers 21; the solid granite rollers are fixedly connected to the front and rear inner walls of the shell 1; the lower squeezing roller 41 is arranged below the outlet 12, and its upper end face is arranged parallel to the upper end face of each conveying roller 21; two motors 42 are respectively fixed above and below the outlet 12, and each motor 42 is movably connected to a squeezing roller 41 through a chain; each motor 42 and each solid granite roller are provided with a gear matched with the chain; the guide roller 5 is arranged on the left side of the lower squeezing roller 41, and the upper end faces of the two are arranged parallel; the guide roller 5 is clamped on the front and rear inner walls of the shell 1; the control device 6 is arranged on the shell 1, and each conveying roller 32, each motor 42, and the guide roller 5 are respectively electrically connected to the control device 6.
[0029] In this embodiment, holes for clamping the guide roller 5 and the bearing 411 are reserved on the inner walls of the front and rear sides of the housing 1 .
[0030] In this embodiment, glass fiber, asbestos, aerogel felt or a vacuum plate is provided between the control device 6 and the housing 1 .
[0031] In this embodiment, each of the conveying rollers 32 and the guide rollers 5 is a motorized roller.
[0032] In other embodiments, the range of the gap between the two solid granite rollers can be adjusted according to actual conditions.
[0033] In other embodiments, the type of the conveying roller 32 can be adjusted according to actual conditions.
[0034] In other embodiments, the type of the guide roller 5 can be adjusted according to actual conditions.
[0035] In other embodiments, the type of the squeezing roller 41 can be adjusted according to actual conditions.
[0036] In other embodiments, the type of thermal insulation material can be adjusted according to actual conditions.
[0037] Working principle:
[0038] First, the wood-plastic board is sent into the roller printing machine from the entrance 11, and then the heating time and heating temperature are controlled according to the material and specifications of the wood-plastic board. After the heating work is completed, the wood-plastic board is sent to the extrusion roller 41 by the conveying roller 21 for embossing the pattern. The extrusion roller 41 uses the poor thermal conductivity of granite to avoid the influence of thermal expansion and contraction on the quality of the embossed pattern, and finally achieves the technical effect of precise embossing of the pattern and improving the embossing quality. In addition, the roller printing machine has a simple structure, low cost, easy operation and stronger practicality.
[0039] The above description is only a preferred embodiment of the present invention and does not constitute any connection to the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A roller printing machine, characterized in that: include: A housing (1), wherein the housing (1) is provided with an inlet (11) and an outlet (12) at left and right ends thereof respectively; A transmission device (2), the transmission device (2) comprising a plurality of conveying rollers (21) and two connecting plates (22), the two connecting plates (22) being respectively arranged horizontally on the inner walls of the front and rear sides of the housing (1); the plurality of conveying rollers (21) are arranged below the inlet (11), and the two ends of each conveying roller (21) are respectively fixedly connected to the two connecting plates (22); A heating device (3), the heating device (3) being fixedly connected to the interior of the housing (1) and arranged above the plurality of conveying rollers (21); An extrusion device (4), the extrusion device (4) comprising two extrusion rollers (41) and two motors (42), the two extrusion rollers (41) being symmetrically arranged up and down and arranged on the left side of the plurality of conveying rollers (21); each of the extrusion rollers (41) being fixedly connected to the inner walls of the front and rear sides of the housing (1); the lower extrusion roller (41) being arranged below the outlet (12), and its upper end surface being arranged parallel to the upper end surface of each conveying roller (21); the two motors (42) being fixedly arranged above and below the outlet (12), respectively, and each of the motors (42) being movably connected to a extrusion roller (41) via a chain; It also includes a guide roller (5) and a control device (6); the guide roller (5) is arranged on the left side of the squeezing roller (41) below, and the upper end surfaces of the two are arranged in parallel; the guide roller (5) is clamped on the inner walls of the front and rear sides of the shell (1); the control device (6) is arranged on the shell (1), and each of the conveying rollers (21), each of the motors (42), and the guide rollers (5) are respectively electrically connected to the control device (6); Each of the conveying rollers (21) and the guide rollers (5) is a motorized roller; Each of the squeezing rollers (41) is a solid granite roller.
2. A roller printing machine according to claim 1, characterized in that: A gap is left between the two squeezing rollers (41).
3. A roller printing machine according to claim 1, characterized in that: Both ends of each squeezing roller (41) are equipped with bearings (411).
4. A roller printing machine according to claim 1, characterized in that: Each of the squeezing rollers (41) and each of the motors (42) is provided with a gear matched with the chain.
5. A roller printing machine according to claim 3, characterized in that: The inner walls on both the front and rear sides of the housing (1) are provided with holes for clamping the guide roller (5) and the bearing (411).
6. A roller printing machine according to claim 1, characterized in that: A heat insulation layer is provided between the control device (6) and the housing (1).
7. A roller printing machine according to claim 6, characterized in that: The heat insulation layer is glass fiber, asbestos, aerogel felt or vacuum board.