Efficient and stable transmission rod assembly for printer
By introducing a ring-shaped brush for self-cleaning, a dust collection mechanism, and a damper into the printer's transmission rod assembly, the problems of dust jamming and vibration in the transmission rod assembly are solved, achieving efficient and stable transmission and printhead lifting.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-03-31
AI Technical Summary
The transmission rod assembly in existing printers lacks a self-cleaning structure, making it prone to dust and impurities from adhering to it, causing jamming. It is also unstable in operation and easily affected by machine vibration, causing the print head to shake.
A high-efficiency and stable transmission rod assembly was designed, which includes a ring brush, a damper, and a dust collection mechanism. The ring brush self-cleans the dust on the surface of the transmission screw, the dust collection mechanism collects the dust, the damper and spring reduce the impact of vibration, and the guide rail guides and limits the movement to improve stability.
It achieves self-cleaning of the transmission rod assembly, avoids jamming, reduces printhead wobbling, and improves the stability and shock resistance of the printhead lifting process.
Smart Images

Figure CN224060473U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a printer technical field, concretely for a kind of high-efficiency stable transmission rod assembly for printer. BACKGROUND
[0002] The printer is one of the output devices of computer, for printing the computer processing result on relevant medium.
[0003] 3D printer needs to use transmission rod assembly to drive print head to lift, for creating three-dimensional object by layering material, but the transmission rod assembly in existing printer has the following shortcomings:
[0004] The surface of transmission rod assembly in existing printer lacks self-cleaning structure, and when dust and impurities adhere, it is easy to cause the jam of transmission rod assembly, affecting normal operation.
[0005] The transmission rod assembly in existing printer is not stable enough when running, and is easily affected by the vibration in machine operation, causing the print head to shake. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a kind of high-efficiency stable transmission rod assembly for printer to solve the problems of the surface of transmission rod assembly in existing printer lacking self-cleaning structure, when dust and impurities adhere, it is easy to cause the jam of transmission rod assembly, affecting normal operation, the transmission rod assembly in printer is not stable enough when running, and is easily affected by the vibration in machine operation, causing the print head to shake.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of high-efficiency stable transmission rod assembly for printer, including bottom plate, the both ends of the bottom plate top end two sides are all fixedly installed with damper, the top of four the damper is fixedly connected with shell, the surface of the damper is equipped with spring, the both sides in the shell interior are all rotationally connected with transmission screw rod by bearing, the side fixedly installed with speed reducer motor in the shell top, the surface of two the transmission screw rod is all threadedly connected with travel block, the front surface of two the travel block is all fixedly connected with support rod, the one end of two the support rod is fixedly connected with fixed plate, the bottom of the travel block is fixedly connected with connecting piece, the inner wall of the connecting piece is fixedly connected with annular brush, the bottom of the back surface of the shell is installed with dust collection mechanism, the both sides of the shell inner wall are all fixedly connected with guide rail.
[0008] When using the high-efficiency stable transmission rod assembly for printer of the technical solution, the transmission screw rod surface can be self-cleaning, avoid the jam of transmission rod assembly when running caused by dust and impurities, the damper and spring can reduce the influence of vibration in printer operation, avoid the print head to shake easily.
[0009] As a preferred technical scheme of the utility model, the side wall of the stroke block is fixedly connected with a guide block, and the guide block is slidingly connected to the surface of the guide rail.
[0010] As a preferred technical scheme of the utility model, the output end of the speed reducer motor is fixedly connected with the top end of one of the transmission lead screws through the inner wall of the shell, the bottom of the shell interior is provided with a transmission cavity, and the bottom end of each of the two transmission lead screws is fixedly connected with a pulley through the inner wall of the transmission cavity, and the surface of each of the two pulleys is sleeved with a transmission belt. The pulley and the transmission belt are provided to play a transmission role.
[0011] As a preferred technical scheme of the utility model, the dust collection mechanism comprises a dust suction cover, an air pipe, a storage box, a fan and a filter screen, the dust suction cover is fixedly communicated with the bottom of the back surface of the shell, the storage box is fixedly connected to the middle of the back surface of the shell, the top end of the dust suction cover is fixedly communicated with the air pipe, the top end of the air pipe is fixedly communicated with the top of the storage box, the back surface of the storage box is fixedly installed with the fan, the input end of the fan is communicated with the interior of the storage box, and the back surface of the storage box is clamped with the filter screen. The dust collection mechanism is arranged to collect dust and impurities falling from the surface of the transmission lead screw.
[0012] As a preferred technical scheme of the utility model, the surface of the fixed plate is provided with fixed holes one on both sides. The fixed holes one are arranged for the installation of the printer head part.
[0013] As a preferred technical scheme of the utility model, displacement ports are arranged on both sides of the front surface of the shell. The displacement ports provide space for the movement of the supporting rod.
[0014] As a preferred technical scheme of the utility model, the top end of the spring is fixedly connected with the shell, and the bottom end of the spring is fixedly connected with the bottom plate. Fixing the two ends of the spring can prevent it from deviating.
[0015] As a preferred technical scheme of the utility model, fixed holes two are arranged on the four corners of the surface of the bottom plate. The fixed holes two are arranged for the installation and fixation of the transmission rod assembly.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] When the transmission rod assembly operates, the annular brush is arranged below the stroke block, and the annular brush can brush off dust and impurities adhered to the surface of the transmission lead screw along with the movement of the stroke block, so that the transmission rod assembly can be self-cleaning and avoid jamming during operation. The dust collection mechanism is arranged to suck the brushed-off dust into the storage box for collection and storage, which is convenient for cleaning.
[0018] 2、Through setting guide rail on both sides of the transmission rod assembly housing inner wall, the travel block and the fixed plate movement can be guided and limited, the stability in the installation of the printing head lifting process is improved, and the damper and the spring are arranged below the housing, the influence of the vibration in the printer operation is reduced, and the printing head is avoided from shaking easily. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the perspective view of the utility model;
[0020] Figure 2 It is the sectional view of the utility model housing;
[0021] Figure 3 It is the sectional view of the utility model connecting piece;
[0022] Figure 4 It is the back view of the utility model housing;
[0023] Figure 5 It is the side sectional view of the utility model storage box.
[0024] In the drawing: 1, housing; 2, transmission screw; 3, travel block; 4, guide block; 5, guide rail; 6, speed reducer motor; 7, pulley; 8, transmission belt; 9, transmission cavity; 10, connecting piece; 11, annular brush; 12, support rod; 13, fixed plate; 14, fixed hole one; 15, displacement port; 16, dust collecting mechanism; 161, dust cover; 162, air pipe; 163, storage box; 164, fan; 165, filter screen; 17, damper; 18, spring; 19, bottom plate; 20, fixed hole two. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.
[0026] Please refer to Figures 1-5The utility model provides a kind of high-efficiency stable transmission rod assembly for printer, including bottom plate 19, the top end both sides of bottom plate 19 are fixedly installed with damper 17, the top end of four dampers 17 is fixedly connected with shell 1, the surface of damper 17 is equipped with spring 18, play buffering effect, the both sides in shell 1 inside are rotatably connected with transmission screw rod 2 by bearing, the side of the top end of shell 1 is fixedly installed with speed reducer 6, the surface of two transmission screw rods 2 is all screw threadedly connected with stroke block 3, the front of two stroke blocks 3 is all fixedly connected with support rod 12, one end of two support rods 12 is fixedly connected with fixed plate 13, for the installation of print head part, the bottom end of stroke block 3 is fixedly connected with connecting piece 10, the inner wall of connecting piece 10 is fixedly connected with annular brush 11, can clean transmission screw rod 2 surface, dust collecting mechanism 16 is installed at the bottom of the back of shell 1, for collecting dust that falls, the both sides of shell 1 inner wall are all fixedly connected with guide rail 5.
[0027] When using, the structure of the print head of the printer is installed on the fixed plate 13, by being provided with damper 17 and spring 18 below the shell 1, the influence of vibration in the operation of the printer can be reduced, and the print head is prevented from shaking easily, by being provided with annular brush 11 below the stroke block 3, when the transmission rod assembly operates, with the movement of the stroke block 3, the annular brush 11 can brush the dust and impurities adhered to the surface of the transmission screw rod 2, and the transmission rod assembly can be cleaned automatically, so that the jamming during the operation of the transmission rod assembly is avoided.
[0028] The sidewall of the stroke block 3 is fixedly connected with the guide block 4, and the guide block 4 is slidingly connected to the surface of the guide rail 5, which plays a guiding role, the output end of the speed reducer 6 is fixedly connected to the top end of one of the transmission screw rods 2 through the inner wall of the shell 1, which is used for driving, the bottom of the inside of the shell 1 is provided with a transmission cavity 9, and the bottom end of each of the two transmission screw rods 2 is fixedly connected to a belt pulley 7 through the inner wall of the transmission cavity 9, the surface of each of the two belt pulleys 7 is sleeved with a transmission belt 8, which is used for transmission, and the front of the shell 1 is provided with displacement ports 15 on both sides, which provides a moving space.
[0029] When using, by starting the speed reducer 6 to drive one of the transmission screw rods 2 to rotate, under the cooperation of the belt pulley 7 and the transmission belt 8, the other transmission screw rod 2 can be driven to rotate synchronously, so that the stroke block 3 and the fixed plate 13 move vertically, and the print head of the printer is lifted at the displacement port 15, by being provided with the guide rail 5 on both sides of the inner wall of the transmission rod assembly shell 1, the movement of the stroke block 3 and the fixed plate 13 can be guided and limited, and the stability of the lifting process of the installed print head is improved.
[0030] The dust collecting mechanism 16 comprises a dust collecting cover 161 fixedly communicated with the bottom of the back of the shell 1, capable of collecting dust, a storage box 163 fixedly connected to the middle of the back of the shell 1, a wind pipe 162 fixedly communicated with the top end of the dust collecting cover 161 and fixedly communicated with the top of the storage box 163, a fan 164 fixedly installed on the back of the storage box 163 and having an input end communicated with the inside of the storage box 163, and a filter screen 165 clamped on the back of the storage box 163 for filtering dust.
[0031] In use, the dust collecting mechanism 16 can be used to start the fan 164, cooperate with the wind pipe 162 and the dust collecting cover 161, suck the dust brushed off from the surface of the transmission screw rod 2 into the storage box 163, and leave the dust collected in the storage box 163 under the block of the filter screen 165 for easy cleaning.
[0032] The surface of the fixed plate 13 is provided with two fixed holes 14, the top end of the spring 18 is fixedly connected with the shell 1, the bottom end of the spring 18 is fixedly connected with the bottom plate 19 to prevent displacement, and the surface of the bottom plate 19 is provided with four fixed holes 20 for installation.
[0033] In use, the transmission rod assembly can be fixed by using fasteners at the fixed holes 20, and the print head part can be fixed by using fasteners at the fixed holes 14, so that the spring 18 can be prevented from being deviated to ensure the efficiency.
[0034] In specific use, the high-efficiency and stable transmission rod assembly for the printer is used to install the structure of the print head of the printer on the fixed plate 13, one of the transmission screw rods 2 is driven to rotate by starting the speed reducer motor 6, the other transmission screw rod 2 is driven to rotate synchronously under the cooperation of the pulley 7 and the transmission belt 8, the travel block 3 and the fixed plate 13 are vertically moved to drive the print head of the printer to ascend and descend, the guide rails 5 arranged on the inner walls of the transmission rod assembly shell 1 can guide and limit the movement of the travel block 3 and the fixed plate 13 to improve the stability of the print head during the installation and the ascending and descending process, the damper 17 and the spring 18 arranged below the shell 1 can reduce the influence of the vibration of the printer during operation to avoid the print head from shaking easily, the annular brush 11 arranged below the travel block 3 can brush off the dust and impurities adhered to the surface of the transmission screw rod 2 when the transmission rod assembly operates, the transmission rod assembly can be self-cleaned to avoid jamming during the operation, and the dust collecting mechanism 16 can be used to start the fan 164, cooperate with the wind pipe 162 and the dust collecting cover 161, suck the brushed dust into the storage box 163, and leave the dust collected in the storage box 163 under the block of the filter screen 165 for easy cleaning.
[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A high efficiency stable drive lever assembly for a printer comprising a base plate (19) characterised in that: Both ends of the top of the bottom plate (19) are fixedly installed with dampers (17), the top of the four dampers (17) is fixedly connected with a shell (1), the surface of the damper (17) is sleeved with a spring (18), both sides in the shell (1) are rotatably connected with transmission lead screws (2) through bearings, one side of the top of the shell (1) is fixedly installed with a speed reducer motor (6), the surfaces of the two transmission lead screws (2) are all threadedly sleeved with travel blocks (3), the front surfaces of the two travel blocks (3) are all fixedly connected with supporting rods (12), one end of the two supporting rods (12) is fixedly connected with a fixed plate (13), the bottom end of the travel block (3) is fixedly connected with a connecting piece (10), the inner wall of the connecting piece (10) is fixedly connected with an annular brush (11), the bottom of the back surface of the shell (1) is installed with a dust collecting mechanism (16), both sides of the inner wall of the shell (1) are all fixedly connected with guide rails (5).
2. A high efficient stable drive lever assembly for a printer as claimed in claim 1, wherein: The sidewall of the travel block (3) is fixedly connected with a guide block (4), and the guide block (4) is slidably connected to the surface of the guide rail (5).
3. A high efficient stable drive lever assembly for a printer as claimed in claim 1, wherein: The output end of the speed reducer motor (6) is fixedly connected with the top end of one of the transmission lead screws (2) through the inner wall of the shell (1), the bottom of the inner part of the shell (1) is provided with a transmission cavity (9), and the bottom ends of the two transmission lead screws (2) are all fixedly connected with belt pulleys (7) through the inner wall of the transmission cavity (9), and the surfaces of the two belt pulleys (7) are sleeved with transmission belts (8).
4. A high efficient stable drive lever assembly for a printer as claimed in claim 1, wherein: The dust collecting mechanism (16) comprises a dust collecting cover (161), an air pipe (162), a storage box (163), a fan (164) and a filter screen (165), the dust collecting cover (161) is fixedly communicated with the bottom of the back surface of the shell (1), the storage box (163) is fixedly connected to the middle of the back surface of the shell (1), the top end of the dust collecting cover (161) is fixedly communicated with the air pipe (162), and the top end of the air pipe (162) is fixedly communicated with the top of the storage box (163), the back surface of the storage box (163) is fixedly installed with the fan (164), and the input end of the fan (164) is communicated with the inside of the storage box (163), and the back surface of the storage box (163) is clamped with the filter screen (165).
5. A high efficient stable drive lever assembly for a printer as claimed in claim 1, wherein: The surfaces of the two sides of the fixed plate (13) are all provided with fixed holes (14).
6. A high efficient stable drive lever assembly for a printer as claimed in claim 1, wherein: The two sides of the front surface of the shell (1) are all provided with displacement openings (15).
7. A high efficient stable drive lever assembly for a printer as claimed in claim 1, wherein: The top end of the spring (18) is fixedly connected with the shell (1), and the bottom end of the spring (18) is fixedly connected with the bottom plate (19).
8. A high efficient stable drive lever assembly for a printer as claimed in claim 1, wherein: The four corners of the surface of the bottom plate (19) are all provided with fixed holes (20).