A kind of jet printing assembly and high-speed rail sleeper laying marking equipment

Abstract

The utility model discloses a kind of spray printing assembly and high-speed rail sleeper laying marking equipment, including miniature air compressor, pressure switch, ink bottle and spray head, the miniature air compressor is connected with ink bottle and pressure switch by pipeline, ink bottle is connected with spray head by pipeline, the spray head includes shell, bottom plate and valve plate, shell has cavity in, bottom plate is detachably installed at shell bottom end, bottom plate bottom surface detachably connects valve plate, recess is equipped in valve plate top surface, multiple nozzle holes are equidistantly opened in recess, install nozzle in nozzle hole, corresponding nozzle is installed with miniature electromagnetic valve on bottom plate, the opening or closing of nozzle is controlled by miniature electromagnetic valve, ink inlet pipe joint is installed on bottom plate, the ink inlet pipe joint bottom end communicates with recess, top end is connected with ink bottle by pipeline. The utility model shortens spraying time, so that the whole equipment does not need to stop spraying operation;Form a uniform and regular straight line using multi-hole jet.

Description

Technical Field

[0001] This utility model belongs to the technical field of auxiliary equipment for railway sleeper laying, and in particular relates to a printing component and a marking device for high-speed railway sleeper laying. Background Technology

[0002] After prolonged use, the sleepers between the two rails of a high-speed railway need to be replaced. During sleeper replacement, to ensure workers can accurately and evenly arrange the sleepers under the rails, marks need to be made on both rails. These two marks must be on a straight line, and the direction of this line must be the normal to the curve of the double rails. The most traditional method is for one team to make two marks on one side of the rail using a paint pen and a measuring tape, and then another team to make two more marks on the other side using a paint pen and a right-angled square. This method requires a large amount of manpower each time, resulting in high labor intensity and occupational diseases for workers over many years. Furthermore, the accuracy of the marking spacing cannot be guaranteed.

[0003] To address this technical problem, an auxiliary pillow-changing interval marking device has been developed, as exemplified by Chinese utility model patent application number 2023214983686, filed on June 13, 2023. This marking device has a relatively long spraying time (0.2-0.4 seconds), requiring the machine to be stopped for spraying; otherwise, it will cause dragging and streaking of the lines. Furthermore, it uses a flat, single-hole nozzle, resulting in unevenly sprayed lines that are wider in the middle and narrower at both ends.

[0004] Therefore, addressing the shortcomings of the existing technologies has become the focus of efforts for those skilled in the field. Utility Model Content

[0005] The purpose of this utility model is to provide a printing component and a high-speed railway sleeper laying marking device, which can completely solve the shortcomings of the above-mentioned prior art.

[0006] The objective of this utility model is achieved through the following technical solution:

[0007] A printing assembly includes a miniature air compressor, a pressure switch, an ink bottle, and a printhead. The miniature air compressor is connected to the ink bottle and the pressure switch via pipelines. The ink bottle is connected to the printhead via pipelines. The printhead includes a housing, a base plate, and a valve plate. The housing has a cavity. The base plate is detachably mounted on the bottom of the housing. The valve plate is detachably connected to the bottom surface of the base plate. The top surface of the valve plate has a groove with multiple nozzle holes evenly spaced within the groove. Nozzles are installed in the nozzle holes. A miniature solenoid valve is installed on the base plate corresponding to each nozzle. The miniature solenoid valve controls the opening or closing of the nozzles. An ink inlet connector is installed on the base plate. The bottom end of the ink inlet connector is connected to the groove, and the top end is connected to the ink bottle via a pipeline.

[0008] Furthermore, the miniature solenoid valve includes a fixed core, a moving core, an electromagnetic coil, and a compression spring. A vertical plate is mounted on the base plate, and a mounting block is provided on the top of the vertical plate. A sleeve is provided between the base plate and the mounting block. The fixed core is vertically fixed on the mounting block and passes through the sleeve from top to bottom. The moving core is movably fitted in the sleeve, and there is a gap between its top end and the bottom end of the fixed core. Its bottom end extends into the groove and corresponds to the nozzle. An electromagnetic coil is fitted outside the sleeve. A limiting sleeve is provided on the moving core. A compression spring is provided between the limiting sleeve and the bottom surface of the base plate. The compression spring is fitted on the moving core.

[0009] Furthermore, the electromagnetic coil includes a frame and a coil, with the coil sleeved on the frame. A limiting plate is installed on the side wall of the upright plate, with flanges at both the top and bottom of the limiting plate. The flanges are connected to the upright plate, forming a limiting space between the limiting plate and the upright plate, and the frame is limited in the limiting space.

[0010] Furthermore, the upright plate has insertion holes, and the frame has insertion strips that are inserted into the insertion holes.

[0011] Furthermore, a fixing sleeve is provided on the flange at the top of the limiting plate, the top end of the sleeve is connected to the fixing sleeve, and the bottom end is inserted into the base plate.

[0012] Furthermore, a rubber block is installed at the bottom end of the moving core.

[0013] Furthermore, the nozzle orifice diameter is 0.1-0.3 mm.

[0014] A high-speed railway sleeper laying marking device includes a main unit and an auxiliary unit, with the printing components described above installed at the bottom of the main unit and the auxiliary unit respectively.

[0015] Preferably, the bottom surface of the auxiliary machine has two parallel sliding grooves, in which a slider slides and engages. The printing assembly is connected to the slider via a connecting block, and a locking screw is installed on the slider.

[0016] Compared with the prior art, the advantages of this utility model are: the spraying time is short, so that the entire equipment does not need to be stopped for spraying operations; and a uniform and regular straight line is formed by multi-hole spraying. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a three-dimensional structural diagram of the nozzle in this utility model;

[0019] Figure 3 This is a schematic diagram of the nozzle structure after the outer casing is removed;

[0020] Figure 4 yes Figure 3Another structural diagram from another angle;

[0021] Figure 5 This is a cross-sectional structural diagram of the nozzle;

[0022] Figure 6 This is a structural diagram of the base plate;

[0023] Figure 7 This is a schematic diagram of the valve plate structure;

[0024] Figure 8 This is a schematic diagram of the structure of an electromagnetic coil;

[0025] Figure 9 This is a schematic diagram of the structure of a miniature solenoid valve;

[0026] Figure 10 This is a diagram showing the connection between the nozzles and auxiliary equipment;

[0027] Figure 11 yes Figure 10 A structural diagram from another angle. Detailed Implementation

[0028] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0029] like Figures 1 to 11 As shown, a printing assembly includes a miniature air compressor 1, a pressure switch 2, an ink bottle 3, and a printhead 4. The miniature air compressor 1 is connected to the ink bottle 3 and the pressure switch 2 via a pipeline (not shown in the figure), and the ink bottle 3 is connected to the printhead 4 via a pipeline (not shown in the figure). The printhead 4 includes a housing 41, a base plate 42, and a valve plate 43. The housing 41 has a cavity. The base plate 42 is detachably mounted on the bottom of the housing 41, and the bottom surface of the base plate 42 is detachably connected to the valve plate 43. The top surface of the valve plate 43 has a groove 44, in which eight nozzle holes are equally spaced and arranged in a straight line. Nozzles 45 are installed in the nozzle holes. A miniature solenoid valve 46 is installed on the base plate 42 corresponding to each nozzle 45. The miniature solenoid valve 46 is located in the cavity and controls the opening and closing of the nozzles 45. An ink inlet connector 47 is installed on the base plate 42. The bottom end of the ink inlet connector 47 is connected to the groove 44, and the top end is connected to the ink bottle 3 through a pipe (not shown in the figure). There are eight nozzles 45, and each nozzle 45 is equipped with a corresponding miniature solenoid valve 46. The bottom surface of the base plate 42 has an upper groove 48 corresponding to the groove 44. The groove 44 and the upper groove 48 together form a cavity for containing ink.

[0030] The ink bottle 3 contains ink and has a cap. The tube connecting to the ink inlet connector 47 is connected to the ink bottle 3 by inserting a needle 49 into the cap.

[0031] The miniature solenoid valve 46 includes a fixed core 4601, a moving core 4602, an electromagnetic coil 4603, and a compression spring 4604. A vertical plate 50 is mounted on the base plate 42, and a mounting block 51 is provided on the top of the vertical plate 50. A steel sleeve 52 is provided between the base plate 42 and the mounting block 51. The fixed core 4601 is vertically fixed on the mounting block 51 and passes through the sleeve 52 from top to bottom. The moving core 4602 is movably fitted in the sleeve 52, and there is a gap between its top end and the bottom end of the fixed core 4601. Its bottom end extends into the groove 44 and corresponds to the nozzle 45. The electromagnetic coil 4603 is sleeved on the sleeve 52. A limiting sleeve 4605 is provided on the moving core 4602. A compression spring 4604 is provided between the limiting sleeve 4605 and the bottom surface of the base plate 42. The compression spring 4604 is sleeved on the moving core 4602. The compression spring 4604 presses the bottom end of the moving core 4602 tightly against the top of the nozzle 45, blocking the spray orifice of the nozzle 45. A rubber block 4606, which is cylindrical, is installed at the bottom end of the moving core 4602. The rubber block 4606 is in close contact with the nozzle 45, completely sealing the spray orifice. The orifice diameter of the nozzle 45 is 0.1-0.3 mm, preferably 0.15 mm in this embodiment.

[0032] In this embodiment, the electromagnetic coil 4603 includes a frame 4603-1 and a coil 4603-2. The coil 4603-2 is sleeved on the frame 4603-1. A limiting plate 53 is installed on the side wall of the upright plate 50. The top and bottom ends of the limiting plate 53 are provided with flanges 54. The flanges 54 are connected to the upright plate 50, forming a limiting space 55 between the limiting plate 53 and the upright plate 50. The frame 4603-1 is limited in the limiting space 55.

[0033] In this embodiment, the upright plate 50 is provided with insertion holes, and the upper and lower sides of the frame 4603-1 are provided with insertion strips 56. The insertion strips 56 are inserted into the insertion holes, thereby fixing the frame 4603-1 to the side of the upright plate 50.

[0034] The top flange 54 of the limiting plate 53 is provided with a fixing sleeve 57, the top end of the sleeve 52 is connected to the fixing sleeve 57, and the bottom end is inserted into the base plate 42.

[0035] A high-speed railway sleeper laying marking device includes a main unit and an auxiliary unit 58, with the printing components described above installed at the bottom of the main unit and the auxiliary unit 58 respectively.

[0036] The auxiliary machine 58 has two parallel sliding grooves 59 on its bottom surface. A slider 60 slides within the sliding grooves 59. The printing assembly is connected to the slider 60 via a connecting block 61. A locking screw 62 is installed on the slider 60. The position of the printing assembly can be adjusted by sliding the slider 60 in the sliding grooves 59. When the printing assembly on the auxiliary machine 58 and the main machine is on the same horizontal line, the locking screw 62 is tightened to fix the slider 60.

[0037] In this embodiment, a protective plate can also be provided, which is installed on the bottom surface of the valve plate 43 by screws, so as to protect the nozzle 45 when the equipment is not working and play a role in dust prevention.

[0038] Working principle:

[0039] Both the miniature air compressor 1 and the miniature solenoid valve 46 are powered by the aforementioned high-speed railway sleeper marking equipment, using lead-acid or lithium-ion DC batteries as their power source. The miniature air compressor 1 generates high-pressure air, which enters the internal cavity of the ink bottle 3 through a pipeline. Simultaneously, a branch of the pipeline connects to the pressure switch 2. When the pressure reaches a set value, the pressure switch 2 circuit disconnects the power to the miniature air compressor 1, preventing it from supplying air. When the pressure is insufficient, the pressure switch 2 reconnects the power to the miniature air compressor 1, allowing it to supply air to the ink bottle 3. The pressure then pushes the ink in the ink bottle 3 through the needle 49 and the pipeline via the ink inlet connector 47 into the groove 44. The miniature solenoid valve 46 controls the nozzle 45 to open, and ink is ejected from the eight nozzles 45, forming a straight line. Because the printing time is extremely short (only about 0.02 seconds), the entire device can operate without stopping, and there are no line dragging or streaks. Furthermore, this straight line is formed by eight nozzles of uniform size, thus ensuring a uniform and regular straight line.

[0040] The principle of miniature solenoid valve 46 controlling the opening or closing of the nozzle:

[0041] The control system briefly applies direct current to the control coil 4603-2, generating a magnetic field that magnetizes the stationary core 4601 and the moving core 4602. Due to the gap between them, the stationary core 4601 remains stationary. When both are magnetized, the stationary core 4601 attracts the moving core 4602, pulling it upwards. This causes the rubber block 4606 blocking the nozzle 45 to move upwards, allowing ink to be ejected from the nozzle orifice. Because the energization time of the coil 4603-2 is extremely short, when the power is cut off, the magnetic field disappears, the moving core 4602 is pushed downwards by the compression spring 4604 to reset, and the rubber block 4606 re-seals the nozzle orifice.

[0042] Similarly, it should be understood that, in order to simplify this disclosure and aid in understanding one or more of the various aspects of the invention, in the above description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof. However, this method of disclosure should not be interpreted as reflecting an intention that the claimed invention requires more features than are expressly recited in each claim. Rather, as reflected in the following claims, the inventive aspect lies in fewer than all features of a single foregoing disclosed embodiment. Therefore, the claims following the detailed description are hereby expressly incorporated into that detailed description, wherein each claim itself is a separate embodiment of the invention.

[0043] Those skilled in the art will understand that modules in the device of the embodiments can be adaptively changed and placed in one or more devices different from that embodiment. Modules, units, or components in the embodiments can be combined into a single module, unit, or component, and further, they can be divided into multiple sub-modules, sub-units, or sub-components. Except where at least some of such features and / or processes or units are mutually exclusive, any combination can be used to combine all features disclosed in this specification (including the accompanying claims, abstract, and drawings) and all processes or units of any method or device so disclosed. Unless expressly stated otherwise, each feature disclosed in this specification (including the accompanying claims, abstract, and drawings) may be replaced by an alternative feature that serves the same, equivalent, or similar purpose.

[0044] Furthermore, those skilled in the art will understand that although some embodiments herein include certain features included in other embodiments but not others, combinations of features from different embodiments are meant to be within the scope of this invention and form different embodiments.

[0045] It should be noted that the above embodiments are illustrative of the present invention and not restrictive, and that those skilled in the art can devise alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses should not be construed as limiting the claims. The word "comprising" does not exclude the presence of elements or steps not listed in the claims. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The present invention can be implemented by means of hardware comprising several different elements and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by the same item of hardware. The use of the words first, second, and third, etc., does not indicate any order. These words can be interpreted as names.

[0046] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A printing assembly, characterized in that: The device includes a miniature air compressor, a pressure switch, an ink bottle, and a printhead. The miniature air compressor is connected to the ink bottle and pressure switch via piping. The ink bottle is connected to the printhead via piping. The printhead includes a housing, a base plate, and a valve plate. The housing has a cavity. The base plate is detachably mounted on the bottom of the housing. The valve plate is detachably connected to the bottom surface of the base plate. The top surface of the valve plate has a groove with multiple nozzle holes evenly spaced within the groove. Nozzles are installed in the nozzle holes. A miniature solenoid valve is installed on the base plate corresponding to each nozzle. The opening or closing of the nozzle is controlled by the miniature solenoid valve. An ink inlet connector is installed on the base plate. The bottom end of the ink inlet connector is connected to the groove, and the top end is connected to the ink bottle via piping.

2. The printing assembly according to claim 1, characterized in that: The miniature solenoid valve includes a fixed core, a moving core, an electromagnetic coil, and a compression spring. A vertical plate is mounted on the base plate, and a mounting block is provided on the top of the vertical plate. A sleeve is provided between the base plate and the mounting block. The fixed core is vertically fixed on the mounting block and passes through the sleeve from top to bottom. The moving core is movably fitted in the sleeve, and there is a gap between its top end and the bottom end of the fixed core. Its bottom end extends into the groove and corresponds to the nozzle. An electromagnetic coil is fitted outside the sleeve. A limiting sleeve is provided on the moving core. A compression spring is provided between the limiting sleeve and the bottom surface of the base plate. The compression spring is fitted on the moving core.

3. The printing assembly according to claim 2, characterized in that: The electromagnetic coil includes a frame and a coil. The coil is sleeved on the frame. A limiting plate is installed on the side wall of the upright plate. The top and bottom of the limiting plate are provided with flanges. The flanges are connected to the upright plate, forming a limiting space between the limiting plate and the upright plate. The frame is limited in the limiting space.

4. The printing assembly according to claim 3, characterized in that: The upright plate has insertion holes, and the frame has insertion strips that are inserted into the insertion holes.

5. The printing assembly according to claim 3, characterized in that... The limiting plate has a fixed sleeve on the top flange, the top end of the sleeve is connected to the fixed sleeve, and the bottom end is inserted into the base plate.

6. The printing assembly according to claim 2, characterized in that: A rubber block is installed at the bottom of the moving core.

7. The inkjet printing assembly according to claim 1, characterized in that: The nozzle has an orifice diameter of 0.1-0.3 mm.

8. A high-speed railway sleeper laying and marking device, comprising a main unit and an auxiliary unit, characterized in that: The printing components described in any one of claims 1-7 are installed at the bottom of the main unit and the auxiliary unit respectively.

9. The high-speed railway sleeper laying marking device according to claim 8, characterized in that: The auxiliary machine has two parallel sliding grooves on its bottom surface, and a slider slides in the sliding grooves. The printing assembly is connected to the slider through a connecting block, and a locking screw is installed on the slider.

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