A portable laser marking machine

Abstract

The present invention relates to the field of laser marking technology, and specifically discloses a portable laser marking machine, including: a mainframe, an optical path device, a column, and a lifting mechanism; the column is a hollow structure, the lifting mechanism is arranged in the hollow structure of the column, and the optical path device is connected to the lifting mechanism; an opening is arranged on the column on the installation side of the optical path device and is opened along the lifting path of the lifting mechanism; the mainframe is fixedly connected to the column in a detachable manner, or further includes a locking mechanism, the mainframe is rotatably connected to the column, and is locked by the locking mechanism. The present invention has the characteristics of small size, stable sliding of the optical path device, no displacement during lifting, and is easy to store and carry.

Description

Technical Field

[0001] The invention relates to the technical field of laser marking. Background Art

[0002] Laser marking equipment uses laser beams to mark permanent marks on the surfaces of various materials. Currently, laser marking has been widely used in industrial manufacturing fields such as food packaging, machinery manufacturing, automotive electronics, 3C communications, etc. The demand for personalized customization of laser marking is also growing. However, the current marking equipment has a large workbench, which has the disadvantages of being heavy and inconvenient to carry, limiting the use scenarios and convenience of the equipment, and is not convenient for individual users and specific application scenarios. Summary of the invention

[0003] The object of the present invention is to provide a portable laser marking machine in view of the above-mentioned difficulties, which has the characteristics of arranging a laser in a main unit, using the upper surface of the main unit as a workbench, and arranging a lifting mechanism in the hollow structure of a column to adjust the optical path, so that the volume of the laser marking machine can be reduced; the periphery of the lifting mechanism is fixed by the column, so that the optical path device can slide stably in the vertical direction and no deviation occurs during the lifting process; and by fixing the main unit and the column in a detachable manner, or rotatably connecting the main unit and the column, when storing, the main unit and the column are separated, or when the two are rotationally connected, the column is rotated to a position in the same plane as the main unit or parallel to the main unit, which is convenient for storage and carrying.

[0004] In order to solve the above technical problems, the present invention provides a portable laser marking machine, comprising: a mainframe, an optical path device, a column, and a lifting mechanism; the column is a hollow structure, the lifting mechanism is arranged in the hollow structure of the column, and the optical path device is connected to the lifting mechanism; an opening is arranged on the column at the installation side of the optical path device and is opened along the lifting path of the lifting mechanism;

[0005] The main unit is fixedly connected to the column in a detachable manner; or, further comprising a locking mechanism, the main unit is rotatably connected to the column, and the main unit and the column are locked by the locking mechanism.

[0006] The preferred technical solution for the above basic structure is that the column is rotatably connected to the host in a lateral rotation manner, and the rotation range between the host and the column at least includes the lateral rotation of the column from the upright position in the working state to the side-lying position in the storage state.

[0007] A further preferred technical solution is that the column is rotationally connected to the main machine via a rotary damper.

[0008] A further preferred technical solution is that it further comprises: a fixing seat and a connecting shaft; the locking mechanism comprises: a positioning structure and a positioning locking bolt;

[0009] The mainframe is provided with the fixing seat, the column is provided with a rotary damper mounting seat, the rotary damper is arranged in the rotary damper mounting seat, one side of the rotary damper is fixedly connected to the column, and the other side of the rotary damper is connected to the fixing seat through the connecting shaft;

[0010] The positioning structure is arranged on the connecting shaft, a threaded hole is opened on the positioning structure, and a positioning locking bolt mounting hole is opened on the column. When the main machine and the column are in the working position at the same time, the threaded hole corresponds to the positioning locking bolt mounting hole, and the positioning locking bolt is threadedly locked with the threaded hole on the positioning structure through the positioning locking bolt mounting hole.

[0011] Another preferred technical solution is that the main unit is rotatably connected to the column via a hinge mechanism, the opening and closing degree between the main unit and the column includes at least one of a range of 0° to 90° or a range of 90° to 180°, the locking mechanism is arranged on the column, and a locking station is arranged on the main unit, and when the main unit and the column are in the working position at the same time, the working end of the locking mechanism is locked and connected with the locking station on the main unit.

[0012] The technical solution improved on the above preferred solution is that the lifting mechanism comprises: a knob, a connecting rod, a gear pair, a screw rod, a slider, a slide rail, a first mounting seat, and a second mounting seat;

[0013] The connecting rod is fixed in the column through a bearing, one end of the connecting rod extends out of the column and is connected to the knob, the other end of the connecting rod is connected to the screw rod through the gear pair, and the two ends of the screw rod are respectively fixed in the hollow structure of the column through the first mounting seat and the second mounting seat, the slider is arranged on the screw rod, the slider is connected to the optical path device, the slide rail is arranged on the first mounting seat and the second mounting seat in parallel with the screw rod, a slide groove is opened on the slider, and the slide rail is passed through the slide groove.

[0014] A further improved technical solution is that the slide rail includes: a first slide rail and a second slide rail; the slide groove on the slider includes: a first slide groove and a second slide groove;

[0015] The first slide rail and the second slide rail are respectively arranged in parallel on both sides of the screw rod, the first slide rail is arranged in the first slide groove, and the second slide rail is arranged in the second slide groove.

[0016] A further improved technical solution is that the optical path device includes: a galvanometer assembly, a laser isolator, an optical path bottom plate, an optical path front cover, an optical path cover, an optical path dustproof plate, a dustproof upper cover, a dustproof lower cover, a status light board, and a field mirror;

[0017] The optical path base plate is connected to the lifting mechanism, the galvanometer assembly is fixed on the optical path base plate, an isolator mounting seat is arranged on the optical path base plate, the laser isolator is arranged on the isolator mounting seat, the optical path front cover and the optical path dustproof plate are arranged on the optical path base plate facing each other, the optical path dustproof plate is located on the column side, the dustproof upper cover and the dustproof lower cover are fixed on the optical path base plate at the upper and lower sides respectively, the dustproof upper cover is located between the dustproof plate and the column, the status light board is connected to the optical path front cover, the optical path cover is fixed to the optical path base plate, a field lens mounting port adjacent to the optical path front cover side is opened on the optical path base plate, and the field lens is arranged at the field lens mounting port of the base plate.

[0018] A further improved technical solution is that the column includes: a vertical plate, a bottom cover, a column cover, and an upper cover;

[0019] A laser control card is fixed on the vertical plate, an opening along the arrangement direction of the screw rod is opened on the column cover, the column cover passes through the opening and the optical path front cover of the optical path device to be connected to the vertical plate, the bottom cover is connected to the bottom of the column cover, and the upper cover is connected to the vertical plate; the width of the optical path cover is greater than the width of the opening on the column cover.

[0020] A more preferred technical solution is that the host comprises: a laser, a power control module, a heat sink, a first cover, and a second cover;

[0021] The first housing comprises: a bottom plate and a control panel; the bottom plate is connected to the control panel;

[0022] The second cover shell comprises: an upper cover shell and a rear panel; the upper cover shell is connected to the rear panel;

[0023] The first cover shell is fixedly connected to the second cover shell in a sliding manner;

[0024] The laser and the power control module are both fixed on the bottom plate, and the heat sink is connected to the rear panel.

[0025] The beneficial effects of the present invention are:

[0026] 1. The present invention sets the laser in the main machine, uses the upper surface of the main machine as a workbench, and sets a lifting mechanism along the column to adjust the optical path, so that the size of the laser marking machine can be reduced, and the main machine and the column are fixedly connected in a detachable manner, or the main machine and the column are rotatably connected. When storing, the main machine and the column are separated, or when the two are rotatably connected, the column is rotated to a position that is in the same plane as the main machine or parallel to the main machine, which is convenient for storage and carrying; the present invention uses an optical path device to set the lifting mechanism in the column, and the column can guide the periphery of the lifting mechanism, so that the optical path device can slide stably in the vertical direction and no deviation occurs during the lifting process.

[0027] 2. When the column is connected to the main unit by lateral rotation, the column can be rotated sideways to a position parallel to the main unit and in the same plane as the main unit, making the overall structure of the device compact and rotating the multi-directional structure to the same structural plane to the greatest extent, which is convenient for storage. In addition, the switching between the storage position and the working position is fast and stable, saving time and effort. At the same time, installing and storing the column by rotation can avoid damage to the optical fiber caused by splitting the column.

[0028] 3. When the column and the main unit are rotatably connected by a hinge mechanism, when storing, the optical path device is moved upward by the lifting mechanism, and the main unit is closed toward the column; or, the main unit is only extended away from the column to be in the same plane with the column, so that the overall structure of the device is in the same plane as much as possible, which is convenient for storage and carrying. At the same time, due to the use of a rotating connection, damage to the optical fiber caused by splitting the column is avoided.

[0029] 4. The lifting mechanism uses the slide rail as a guide, and the gear pair and the lead screw are used as a transmission to drive the slider to move up and down along the lead screw and the slide rail, avoiding the deviation of the lifting mechanism during the lifting process, making the lifting process smooth and reliable.

[0030] 5. The optical path device in the present invention is provided with an optical path dustproof plate, a dustproof upper cover, and a dustproof lower cover. The width of the optical path cover is greater than the width of the opening on the column cover, so that the internal equipment is protected layer by layer, and the dustproof effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of an embodiment of the present invention in a working state.

[0032] Figure 2 It is a structural schematic diagram of the column in Example 1 of the present invention being rotated sideways to a storage state.

[0033] Figure 3 for Figure 1 Front view of the structure shown.

[0034] Figure 4 for Figure 1 Side view of the structure shown.

[0035] Figure 5 This is a schematic diagram of the internal structure of Example 1 of the present invention.

[0036] Figure 6 for Figure 5 Another angle view of the structure shown.

[0037] Figure 7 for Figure 5 Front view of the structure shown.

[0038] Figure 8for Figure 5 Side view of the structure shown.

[0039] Among them, 1-host, 2-column, 3-optical path device, 100-upper cover, 101-bottom plate, 102-control panel, 103-rear panel, 104-power control module, 105-laser, 106-heat sink, 107-fixed seat, 108-connecting shaft, 109-damping hinge, 200-column cover, 201-vertical plate, 202-bottom cover, 203-knob, 204-upper cover, 205-lifting assembly, 206-optical fiber, 207-connecting rod, 208-gear pair, 209-laser control card, 210-positioning locking bolt 210, 300-optical path cover, 301-optical path bottom plate, 302-optical path front cover, 303-galvanometer assembly, 304-laser isolator, 305-optical path dustproof plate, 306-dustproof upper cover, 307-dustproof lower cover, 308-status light board, 309-galvanometer drive card, 310-field mirror, 311-isolator mounting seat. DETAILED DESCRIPTION

[0040] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode and working principle of the portable laser marking machine proposed in accordance with the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0041] In this embodiment, Figure 1 , Figure 3 , Figure 4 As shown, the portable laser marking machine provided in this embodiment includes: a main unit 1, a column 2, and an optical path device 3. The column 2 is a hollow structure, and a lifting mechanism 205 is provided in the column 2.

[0042] The host 1 is used to set components such as the laser 105, the power control module 104, and the heat sink 106. The specific structure and connection method of the host 1 are as follows: Figures 6 to 8 As shown, the host 1 includes: a bottom plate 101, a control panel 102, and a rear panel 103. The bottom plate 101 is connected to the front panel 102 by screws at the bottom of the front side, the laser 105 is fixed to the bottom plate 101 by screws, the power control module 104 is connected to the bottom plate 101 by screws, the heat sink 106 is connected to the rear panel 103 by screws, the bottom plate 101 is connected to the upper cover 100 of the bottom plate by screws on both sides of the bottom, and the rear panel 103 is connected to the upper cover 100 of the bottom plate by screws. Preferably, the bottom plate 101 and the control panel 102 are arranged to form a first cover as a whole, and the upper cover 100 and the rear panel 103 are arranged to form a second cover as a whole, and the first cover and the second cover are connected in a detachable manner. Preferably, the first cover and the second cover are detachably fixedly connected in a sliding manner.

[0043] The structure of column 2 is as follows Figures 5 to 8 As shown, it includes: a column cover 200, a vertical plate 201, a bottom cover 202, and an upper cover 204. Among them, the laser control card 209 is fixed on the vertical plate 201, and an opening is provided on the column cover 200 at the installation side of the optical path device 3 along the lifting path of the lifting mechanism 205. The column cover 200 passes through the opening and passes through the optical path device 3 to connect with the vertical plate 201, the bottom cover 202 is connected to the bottom of the column cover 200, and the upper cover 204 is connected to the vertical plate 201.

[0044] The lifting mechanism 205 includes: a knob 203, a connecting rod 207, a gear pair 208, a screw rod, a slider, a slide rail, a first mounting seat, and a second mounting seat. The connecting rod 207 is fixed to the column 2 through a bearing, one end of the connecting rod 207 extends beyond the column and is connected to the knob 203, and the other end of the connecting rod 207 is connected to the screw rod through the gear pair 208. The two ends of the screw rod are respectively fixed in the hollow structure of the column through the first mounting seat and the second mounting seat. The slider is arranged on the screw rod, and the slider is connected to the optical path device 3. The slide rail includes a first slide rail and a second slide rail. The first slide rail and the second slide rail are arranged on both sides of the screw rod in parallel with the screw rod on the first mounting seat and the second mounting seat. The slider is provided with a first slide groove and a second slide groove, and the first slide rail is inserted into the first slide groove, and the second slide rail is inserted into the second slide groove.

[0045] Optical fiber line 206 Figure 3 As shown, the optical path device 3 is entered by bypassing the lifting assembly 205 .

[0046] Optical path device 3 Figure 5 , Figure 6 , Figure 8 As shown, it includes: a galvanometer assembly, a laser isolator 304, an optical path bottom plate 301, an optical path front cover 302, an optical path cover 300, an optical path dust plate 305, an upper dust cover 306, a lower dust cover 307, a status light board 308, and a field lens 310. The optical path bottom plate 301 is connected to the slider of the lifting mechanism 205, the galvanometer assembly is fixed on the optical path bottom plate 301, an isolator mounting seat 311 is provided on the optical path bottom plate 301, the laser isolator 304 is provided on the isolator mounting seat 311, the optical path front cover 302 and the optical path dust plate 305 are arranged on the optical path bottom plate 301 facing each other, the optical path dust plate 305 is located on the column side, and the upper dust cover 306 and the lower dust cover 307 are fixed on the upper and lower sides respectively. On the optical path base plate 301, the dustproof upper cover 306 is located between the dustproof plate 305 and the column 2, the status light board 308 is connected to the optical path front cover 302, the optical path cover shell 300 is fixed to the optical path base plate 301, and a field lens mounting port adjacent to the optical path front cover 302 side is opened on the optical path base plate 301. The field lens 310 is screwed into the field lens mounting port of the base plate 301 through its own thread, and the width of the optical path cover shell 300 is greater than the width of the opening on the column cover shell 200.

[0047] The connection mode between the main machine and the column is a detachable connection or a rotational connection.

[0048] Rotational connection mode 1: The column 2 is rotationally connected to the host 1 in a lateral rotational manner. Preferably, the column 2 is rotationally connected to the host 1 through a rotation damper 109. Figure 1 , Figure 2 As shown, the rotation range between the main unit 1 and the column 2 at least includes the column 2 rotating sideways from the upright position in the working state to the side-lying position in the storage state. Figure 5 , Figure 8 As shown, a fixing seat 107 is provided on the base plate 101 of the main machine 1, a rotary damper mounting seat is provided on the column 2, a rotary damper 109 is provided in the rotary damper mounting seat, one side of the rotary damper 109 is fixedly connected to the column 2, and the other side of the rotary damper 109 is connected to the fixing seat 107 through a connecting shaft 108, a positioning structure is provided on the connecting shaft 108, a threaded hole is provided on the positioning structure, and a positioning locking bolt mounting hole is provided on the column 2. When the main machine 1 and the column 2 are in the working position at the same time, the threaded hole corresponds to the positioning locking bolt mounting hole, and the positioning locking bolt 210 is threadedly locked through the positioning locking bolt mounting hole and the threaded hole on the positioning structure.

[0049] Rotational connection mode 2: The main unit 1 is rotationally connected to the column 2 through a hinge mechanism, preferably, a damping hinge is used as the hinge mechanism. The opening and closing degree between the main unit 1 and the column 2 includes at least one of the ranges of 0° to 90° or 90° to 180°. The locking mechanism is arranged on the column 2, and a locking station is arranged on the main unit 1. When the main unit 1 and the column 2 are in the working position at the same time, the working end of the locking mechanism is locked and connected with the locking station on the main unit.

[0050] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to examples, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A portable laser marking machine, characterized in that: include: Mainframe, optical path device, column, lifting mechanism; The column is a hollow structure, the lifting mechanism is arranged in the hollow structure of the column, and the optical path device is connected to the lifting mechanism; an opening is arranged on the column at the installation side of the optical path device and is opened along the lifting path of the lifting mechanism; The device further comprises a locking mechanism, wherein the column is rotatably connected to the side of the main machine, and the main machine and the column are locked by the locking mechanism; the column is rotatably connected to the main machine in a lateral rotation manner, and the rotation range between the main machine and the column at least includes the lateral rotation of the column from the upright position in the working state to the side-lying position in the storage state; When folding, the optical path device moves upward through the lifting mechanism, the mainframe is closed toward the column, and the column can be rotated to a position in the same plane as the mainframe or parallel to the mainframe; The column is rotationally connected to the main machine via a rotary damper; Also includes: a fixed seat, a connecting shaft; The locking mechanism comprises: a positioning structure and a positioning locking bolt; The mainframe is provided with the fixing seat, the column is provided with a rotary damper mounting seat, the rotary damper is arranged in the rotary damper mounting seat, one side of the rotary damper is fixedly connected to the column, and the other side of the rotary damper is connected to the fixing seat through the connecting shaft; The positioning structure is arranged on the connecting shaft, a threaded hole is provided on the positioning structure, and a positioning locking bolt mounting hole is provided on the column. When the main machine and the column are in the working position at the same time, the threaded hole corresponds to the positioning locking bolt mounting hole, and the positioning locking bolt is threadedly locked with the threaded hole on the positioning structure through the positioning locking bolt mounting hole; The lifting mechanism comprises: a knob, a connecting rod, a gear pair, a screw rod, a slider, a slide rail, a first mounting seat, and a second mounting seat; The connecting rod is fixed in the column through a bearing, one end of the connecting rod extends outside the column and is connected to the knob, the other end of the connecting rod is connected to the screw rod through the gear pair, and the two ends of the screw rod are respectively fixed in the hollow structure of the column through the first mounting seat and the second mounting seat, the slider is arranged on the screw rod, the slider is connected to the optical path device, the slide rail is arranged on the first mounting seat and the second mounting seat in parallel with the screw rod, a slide groove is opened on the slider, and the slide rail is passed through the slide groove; The column comprises: a vertical plate, a bottom cover, a column cover, and an upper cover; A laser control card is fixed on the vertical plate, an opening is opened on the column cover along the direction of the screw rod arrangement, the column cover passes through the opening and passes through the optical path front cover of the optical path device to be connected to the vertical plate, the bottom cover is connected to the bottom of the column cover, and the upper cover is connected to the vertical plate; The host comprises: a laser, a power control module, a radiator, a first cover, and a second cover; The first housing comprises: a bottom plate and a control panel; the bottom plate is connected to the control panel; The second cover shell comprises: an upper cover shell and a rear panel; the upper cover shell is connected to the rear panel; The first cover shell is fixedly connected to the second cover shell in a sliding manner; The laser and the power control module are both fixed on the bottom plate, and the heat sink is connected to the rear panel.

2. The portable laser marking machine according to claim 1, characterized in that: The slide rails include: a first slide rail and a second slide rail; the slide grooves on the slider include: a first slide groove and a second slide groove; The first slide rail and the second slide rail are respectively arranged in parallel with two sides of the screw rod, the first slide rail is arranged in the first slide groove, and the second slide rail is arranged in the second slide groove.

3. The portable laser marking machine according to claim 2, characterized in that: The optical path device comprises: a galvanometer assembly, a laser isolator, an optical path bottom plate, an optical path front cover, an optical path cover, an optical path dustproof plate, an upper dustproof cover, a lower dustproof cover, a status light board, and a field mirror; The optical path base plate is connected to the lifting mechanism, the galvanometer assembly is fixed on the optical path base plate, an isolator mounting seat is arranged on the optical path base plate, the laser isolator is arranged on the isolator mounting seat, the optical path front cover and the optical path dustproof plate are arranged on the optical path base plate facing each other, the optical path dustproof plate is located on the column side, the dustproof upper cover and the dustproof lower cover are respectively fixed on the optical path base plate at the upper and lower sides, the dustproof upper cover is located between the dustproof plate and the column, the status light board is connected to the optical path front cover, the optical path cover shell is fixed to the optical path base plate, the width of the optical path cover shell is larger than the width of the opening on the column cover shell, a field lens mounting opening adjacent to the optical path front cover side is opened on the optical path base plate, and the field lens is arranged at the field lens mounting opening of the base plate.

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