Fine carving method for adjusting line direction of drawing document

Abstract

The invention relates to the field of laser engraving, in particular to a fine engraving method for adjusting the line direction of a drawing document. Comprising the following steps: reversing the engraving directions of a plurality of lines of a drawing file during fine engraving of a laser; during engraving, whether pits exist at the head and tail ends of the engraving trace is observed, and adjustment is conducted; after the two ends of the engraved trace have no overweight pits, observing whether the two ends are in a flush state or not, and adjusting; during engraving, pits are formed in the head end and the tail end, and adjustment is conducted through switch light delay; and if no pits exist at the head end and the tail end during engraving, continuing to observe whether the two ends are flush or not until the two ends are flush. The method has the beneficial effects that during mass production, it is guaranteed that the nick depth of a product is stable, the proofing time of a single product is shortened, use of attached drawings is reduced, and the problem that due to the fact that many attached drawings are adopted, nick fluctuation is large in long-term production is solved.

Description

Technical Field

[0001] The invention relates to the field of laser engraving, and more specifically to a precision engraving method for adjusting the direction of lines of a graphic file. Background Art

[0002] When the laser is fine engraving, the image file is usually composed of multiple lines in the same direction, so there will always be a phenomenon that the head of the mark is heavier and the middle and tail are lighter. Therefore, more drawings are needed to reduce the difference in the overall groove depth, and large fluctuations are prone to occur in mass production;

[0003] A laser engraving machine and engraving method similar to patent number CN202410308928.X, including a base and an engraving mechanism; the base is provided with a workbench; the base is provided with a first camera on the left and right sides of the workbench; the base is provided with a second camera at the front and rear ends of the workbench; the base is provided with a transverse drive mechanism for driving the engraving mechanism to move forward and backward, and a longitudinal drive mechanism for driving the engraving mechanism to move left and right. The present invention sets a first camera, a second camera, a laser probe and a laser. After the laser probe and the laser generate a light spot on the workpiece, the first camera and the second camera shoot and process the data of the light spot, thereby controlling the transverse drive mechanism and the longitudinal drive mechanism to drive the engraving mechanism to move, and at the same time controlling the deflection assembly to drive the swing plate to swing, so that the inclined surface or curved surface of the workpiece can be automatically processed for oblique hole drilling;

[0004] Therefore, the existing technical solutions have shortcomings and cannot solve the problem of ensuring the stability of product notch depth during mass production, reducing the proofing time of a single product, and avoiding the problem of large fluctuations in notch marks in long-term production due to a large number of drawings. Summary of the invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the problems in the prior art, such as ensuring the stability of product notch depth during mass production, reducing the proofing time of a single product, reducing the use of drawings, and avoiding the problem of large fluctuations in notch depth during long-term production due to a large number of drawings.

[0006] To this end, the technical solution adopted is a method for fine carving of adjusting the line direction of a drawing file of the present invention, comprising the following steps:

[0007] S1: Reverse the engraving direction of multiple lines of the image file during laser engraving;

[0008] S2: When engraving, observe whether there are pits at both ends of the engraving mark and make adjustments;

[0009] S3: After there are no heavy pits at both ends of the engraving mark, observe whether the two ends are flush and make adjustments.

[0010] Preferably, the S2 comprises:

[0011] S21: When engraving, there are pits at both ends, which can be adjusted by switching the light delay;

[0012] S22: When engraving, if there are no pits at the head and tail ends, continue to observe whether the two ends are flush until they are adjusted to be flush.

[0013] Preferably, the S3 comprises:

[0014] S31: If the two ends of the engraving mark are not aligned, the length of the protruding part of the line can be slightly adjusted by the laser engraving device to make it aligned;

[0015] S32: If the two ends of the engraving mark are flush, the engraving of the mark is completed.

[0016] Preferably, the laser engraving device includes an engraving protection box, a controller, adjustment buttons, a laser plane adjuster, a laser adjustment side head and an engraving clamping device. The laser plane adjuster is fixed to the upper end of the inner wall of the engraving protection box. The laser plane adjuster is aligned and connected to the laser adjustment side head for laser engraving. The laser adjustment side head is fixed to the upper end of the central partition plate of the engraving protection box. A ball groove is provided at the center of the central partition plate of the engraving protection box. An engraving clamping device is provided on the central partition plate. The waste material to be engraved is clamped and fixed on the engraving clamping device. The laser plane adjuster, the laser adjustment side head and the engraving clamping device are all electrically connected to multiple adjustment buttons through the controller.

[0017] Preferably, the laser plane adjuster includes a support frame, a Y-axis driver, a Y-axis slide rail, an X-axis driver and a laser support slide rail. The support frame is fixed to the upper end of the inner wall of the engraving protection box, and the Y-axis driver and the Y-axis slide rail are fixed on the support frame. The Y-axis driver drives the X-axis driver to slide on the Y-axis slide rail along the Y-axis direction, and the X-axis driver drives the laser support slide rail to slide along the X-axis direction.

[0018] Preferably, the laser plane adjuster also includes a switching driver, a laser sliding clamp, a laser and a limit rod. The laser sliding clamp slides in a limited manner in the laser support rail. The switching driver is fixed on the laser support rail and connected to the laser sliding clamp by threaded fitting. The laser is clamped and fixed on the laser sliding clamp, and a plurality of limit rods are fixed to the lower end of the laser sliding clamp.

[0019] Preferably, the laser adjustment side head includes a longitudinal driver, a longitudinal slide rail, a lens slide, a fine servo motor, a fine drive shaft and a sliding clamp. The longitudinal driver and the longitudinal slide rail are both fixed on the central partition plate of the engraving protection box. The longitudinal driver drives the lens slide to slide longitudinally on the longitudinal slide rail. A fine servo motor is fixed on the lens slide. The fine servo motor drives the fine drive shaft to rotate in the lens slide through a coupling. A sliding clamp is fixed on the fine drive shaft.

[0020] Preferably, the laser adjustment side head also includes a lens box and a laser socket. The lens box is slidably arranged on the inner wall of the sliding clamp seat. Sliding ball wheel tables are respectively arranged at both ends of the lens box. The sliding ball in the sliding ball wheel table slides in the sliding clamp seat. A plurality of swing connection grooves are arranged at the upper end of the lens box. An arc-shaped sliding rod is arranged for arc-shaped limiting sliding in the swing connection groove. The arc-shaped sliding rod is fixed at the lower end of the laser socket. A plurality of laser sockets are arranged on the laser socket, and a plurality of concave-convex mirrors are arranged on the inner wall of the laser socket.

[0021] Preferably, the engraving clamping device includes a tilting drive motor, a tilting drive table, a symmetrical hinged plate, a processing table, a processing seat, a center rotating motor, a center ball seat and a processing lower clamp. The tilting drive motor is fixed to the lower end of the center partition plate of the engraving protection box, and the transmission shaft of the tilting drive motor is fixed to the center of the tilting drive table. Two symmetrical hinged plates are symmetrically fixed to the upper end of the tilting drive table. The upper ends of the two symmetrical hinged plates are respectively hinged on the processing table. The two ends of the processing table slide in an arc in the processing seat respectively. The processing seat is fixed on the center partition plate of the engraving protection box. The center rotating motor is fixed to the center of the tilting drive table. A center ball seat is fixed to the outer wall of the transmission shaft of the center rotating motor. The center ball seat slides in the ball groove set in the center of the center partition plate, and the upper end of the transmission shaft of the center rotating motor is fixed to the processing lower clamp.

[0022] Preferably, the processing lower clamp rotates at the center of the processing table, and two opposite side clamps are respectively provided at the left and right ends of the processing table, and the opposite side clamps include a clamping plate, a spring shaft, a spring, a clamping slot and a clamping locking rod; the clamping plate slides on the spring shaft, and a spring is sleeved on the spring shaft, the spring is arranged between the clamping plate and the processing table, and a clamping slot is arranged on the spring shaft, and a clamping locking rod for locking is longitudinally inserted on the clamping plate, and the clamping locking rod is inserted in the clamping slot.

[0023] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures specifically pointed out in this application document.

[0024] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0026] Figure 1 It is a schematic diagram of the steps of the processing method of the present invention;

[0027] Figure 2 is a schematic diagram of the sampling points of the present invention;

[0028] Figure 3 This is a schematic diagram of the engraving method of the present invention. Figure 1 ;

[0029] Figure 4 It is a schematic diagram of the engraving of the present invention with pits;

[0030] Figure 5 It is a schematic diagram of the engraving method of the present invention;

[0031] Figure 6 It is a schematic diagram of uneven carving of the present invention;

[0032] Figure 7 The overall structure of the laser engraving device of the present invention is schematically shown in FIG. Figure 1 ;

[0033] Figure 8 The overall structure of the laser engraving device of the present invention is schematically shown in FIG. Figure 2 ;

[0034] Fig. 9 is a schematic diagram of the internal structure of the laser engraving device of the present invention;

[0035] Fig.10 The structure of the laser plane regulator of the present invention is shown in FIG. Figure 1 ;

[0036] Fig.11 The structure of the laser plane regulator of the present invention is shown in FIG. Figure 2 ;

[0037] Fig.12 This is a schematic diagram of the structure of the laser adjustment side head of the present invention. Figure 1 ;

[0038] Fig.13 This is a schematic diagram of the structure of the laser adjustment side head of the present invention. Figure 2 ;

[0039] Fig.14 It is a structural schematic diagram of the sliding clamp seat of the present invention;

[0040] Fig.15 It is a structural schematic diagram of the lens box of the present invention;

[0041] Fig.16 The structure of the engraving clamping device of the present invention is shown in FIG. Figure 1 ;

[0042] Fig.17 The structure of the engraving clamping device of the present invention is shown in FIG. Figure 2 ;

[0043] Fig.18 It is a structural schematic diagram of the processing table of the present invention;

[0044] Fig.19 is a schematic structural diagram of the opposite side clamp of the present invention;

[0045] Fig. 20 The longitudinal clamp of the present invention is schematically shown in FIG. Figure 1 ;

[0046] Fig.21 The longitudinal clamp of the present invention is schematically shown in FIG. Figure 2 .

[0047] In the figure: engraving protection box 1; controller 2; adjustment button 3; laser plane adjuster 4; laser adjustment side head 5; engraving clamping device 6; support frame 41; Y-axis driver 42; Y-axis slide rail 43; X-axis driver 44; laser support slide rail 45; switching driver 46; laser sliding clamping table 47; laser 48; limit plug rod 49; longitudinal driver 51; longitudinal slide rail 52; lens slide table 53; fine servo motor 54; fine drive shaft 55; sliding clamp seat 56; lens box 57; sliding ball wheel table 571; swing connection groove 572; laser plug table 58;

[0048] Tilt drive motor 61; tilt drive table 62; symmetrical hinge plate 63; processing table 64; processing seat 65; center rotation motor 66; center ball seat 67; processing lower clamping plate 68; opposite side clamp 69;

[0049] Clamping plate 691; spring shaft 692; spring 693; clamping slot 694; clamping locking rod 695;

[0050] Longitudinal clamp 70 ; limit insert frame 71 ; screw shaft 72 ; longitudinal clamping plate 73 ; threaded barrel 74 . DETAILED DESCRIPTION

[0051] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0052] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "middle", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0053] In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0054] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. Specific implementation method one:

[0056] like Figure 1 — Figure 6 As shown, a fine carving method for adjusting the direction of lines of a drawing file comprises the following steps:

[0057] S1: Reverse the engraving direction of multiple lines of the image file during laser engraving;

[0058] S2: When engraving, observe whether there are pits at both ends of the engraving mark and make adjustments;

[0059] S3: After there are no heavy pits at both ends of the engraving mark, observe whether the two ends are flush and make adjustments.

[0060] The S2 includes:

[0061] S21: When engraving, there are pits at both ends, which can be adjusted by switching the light delay;

[0062] S22: When engraving, if there are no pits at the head and tail ends, continue to observe whether the two ends are flush until they are adjusted to be flush;

[0063] The S3 includes:

[0064] S31: If the two ends of the engraving mark are not aligned, the length of the protruding part of the line can be slightly adjusted by the laser engraving device to make it aligned;

[0065] S32: If the two ends of the engraving mark are flush, the engraving of the mark is completed.

[0066] The working principle and beneficial effects of this embodiment are as follows: This method simplifies the graphics of the engraved graphics, does not need to add too many drawings, and makes the groove depth easier to control;

[0067] This method is combined with the actual production situation, using the phenomenon that the starting part of the notch is deep and the ending part is shallow, and by controlling the engraving direction of the lines that make up the image file, the beginning and the end of the notch can complement each other;

[0068] This method reduces the use of drawings, can shorten some engraving time, and can improve efficiency in mass production.

[0069] The biggest advantage is that it makes use of the lack of notch depth to complement and improve the production stability and efficiency;

[0070] The following tables show the experimental engraving depth records of the marking experiment in which three marking points were taken during the engraving movement.

[0071] Engraving depth in the same direction:

[0072]

[0073] Carving depth in back and forth direction:

[0074] Specific implementation method 2:

[0076] like Figure 1 — Fig.21As shown, a method for fine engraving for adjusting the direction of lines of a graphic document, the laser engraving device comprises an engraving protection box 1, a controller 2, an adjustment button 3, a laser plane adjuster 4, a laser adjustment side head 5 and an engraving clamping device 6, the upper end of the inner wall of the engraving protection box 1 is fixed with a laser plane adjuster 4, the laser plane adjuster 4 is aligned and connected to the laser adjustment side head 5 for laser engraving, the laser adjustment side head 5 is fixed to the upper end of the central partition plate of the engraving protection box 1, the center of the central partition plate of the engraving protection box 1 is provided with a ball groove, the central partition plate is provided with an engraving clamping device 6, the engraving clamping device 6 is clamped and fixed with waste materials to be engraved; the laser plane adjuster 4, the laser adjustment side head 5 and the engraving clamping device 6 are electrically connected to a plurality of adjustment buttons 3 respectively through the controller 2.

[0077] The working principle and beneficial effects of this embodiment are as follows: when engraving waste materials, different shapes of waste materials are used to fix them in different ways to prevent the waste materials from being on the engraving clamping device 6, and the laser plane adjuster 4 is aligned and connected to the laser adjustment side head 5, and lenses of different specifications and styles are selected for use in combination with different usage scenarios, and then the absorption characteristics of lasers for different materials in different engraving environments are different, so the selection of a suitable laser lens is also related to the processing material; similarly, a higher power density may be required when processing metals, and this can be achieved by selecting a suitable focal length; and then different laser lenses in the laser adjustment side head 5 are adapted for switching and use; automatic engraving in the XY axis direction is achieved through the laser plane adjuster 4; the laser plane adjuster 4, the laser adjustment side head 5 and the engraving clamping device 6 are electrically connected to a plurality of adjustment buttons 3 through the controller 2, so that convenient recording and manipulation are carried out under the protection of the engraving protection box 1. Specific implementation method three:

[0079] like Figure 1 — Fig.21 As shown, a method for fine engraving for adjusting the direction of lines of a drawing, the laser plane adjuster 4 includes a support frame 41, a Y-axis driver 42, a Y-axis slide rail 43, an X-axis driver 44 and a laser support slide rail 45, the support frame 41 is fixed to the upper end of the inner wall of the engraving protection box 1, the Y-axis driver 42 and the Y-axis slide rail 43 are fixed on the support frame 41, the Y-axis driver 42 drives the X-axis driver 44 to slide on the Y-axis slide rail 43 along the Y-axis direction, and the X-axis driver 44 drives the laser support slide rail 45 to slide along the X-axis direction.

[0080] The working principle and beneficial effects of this embodiment are as follows: the support frame 41 plays a role of height support by being fixed to the upper end of the inner wall of the engraving protection box 1, and the Y-axis driver 42 can be used in combination with different costs, and can be driven by a motor screw shaft screw thread, or can be used correspondingly using the magnet in the prior art; the Y-axis driver 42 drives the X-axis driver 44 to slide on the Y-axis slide rail 43 along the Y-axis direction, and similarly, the X-axis driver 44 drives the laser support slide rail 45 to slide along the X-axis direction, thereby realizing automatic displacement control in the XY-axis direction. Specific implementation method four:

[0082] like Figure 1 — Fig.21 As shown, a precision engraving method for adjusting the direction of lines of a drawing, the laser plane adjuster 4 also includes a switching driver 46, a laser sliding clamp 47, a laser 48 and a limit rod 49, the laser sliding clamp 47 is limited and slides in the laser supporting rail 45, the switching driver 46 is fixed on the laser supporting rail 45 and connected to the laser sliding clamp 47 by threaded fitting, the laser 48 is clamped and fixed on the laser sliding clamp 47, and a plurality of limit rods 49 are fixed to the lower end of the laser sliding clamp 47.

[0083] The working principle and beneficial effects of this embodiment are as follows: the automatic displacement control in the XY axis direction can be realized through the laser support slide rail 45, and then the switching driver 46 laser sliding clamp 47 fixed on the laser support slide rail 45 performs the automatic displacement control in the XY axis direction, and then drives the laser 48 to perform the automatic displacement control in the XY axis direction, and then realizes the modulation of the laser engraving direction;

[0084] By switching the screw thread of the driver 46, the laser sliding clamp 47 is driven to slide within the laser support rail 45, and then the laser sliding clamp 47 is driven to drive the laser 48 to adjust the lateral displacement, so as to facilitate the switching connection in the laser adjustment side head 5 for switching different laser lenses. At the same time, multiple limit rods 49 fixed at the lower end of the laser sliding clamp 47 are conveniently inserted into the laser adjustment side head 5 for selecting and connecting the corresponding lenses. Specific implementation method five:

[0086] like Figure 1 — Fig.21As shown, a precision engraving method for adjusting the direction of lines of a drawing, the laser adjustment side head 5 includes a longitudinal driver 51, a longitudinal slide rail 52, a lens slide 53, a fine servo motor 54, a fine drive shaft 55 and a sliding clamp seat 56, the longitudinal driver 51 and the longitudinal slide rail 52 are both fixed on the central partition plate of the engraving protection box 1, the longitudinal driver 51 drives the lens slide 53 to slide longitudinally on the longitudinal slide rail 52, the lens slide 53 is fixed with a fine servo motor 54, the fine servo motor 54 drives the fine drive shaft 55 to rotate in the lens slide 53 through a coupling, and the fine drive shaft 55 is fixed with a sliding clamp seat 56.

[0087] The working principle and beneficial effects of this embodiment are as follows: the longitudinal driver 51 and the longitudinal slide rail 52 are both fixed on the central partition plate of the engraving protection box 1 to facilitate the connection and adjustment in the longitudinal direction. The longitudinal driver 51 drives the lens slide 53 to slide on the longitudinal slide rail 52 with a longitudinal limit. The lens slide 53 is fixed with a fine servo motor 54 to finely rotate the fine drive shaft 55 in the lens slide 53, thereby achieving fine rotation of the sliding clamp 56 fixed on the fine drive shaft 55, thereby facilitating fine angle adjustment of the laser lens used, facilitating the detection of the use effect of the laser, ensuring the alignment effect, and also facilitating fine adjustment during use. Specific implementation method six:

[0089] like Figure 1 — Fig.21 As shown, a precision engraving method for adjusting the direction of lines of a drawing file is provided. The laser adjustment side head 5 also includes a lens box 57 and a laser inserting platform 58. The lens box 57 is slidably arranged on the inner wall of the sliding clamp seat 56. Sliding ball wheels 571 are respectively arranged at both ends of the lens box 57. The sliding ball in the sliding ball wheel platform 571 slides in the sliding clamp seat 56. A plurality of swing connection grooves 572 are arranged at the upper end of the lens box 57. An arc-shaped sliding rod is arranged in the swing connection groove 572 for arc-shaped limiting sliding. The arc-shaped sliding rod is fixed to the lower end of the laser inserting platform 58. A plurality of laser sockets are arranged on the laser inserting platform 58. A plurality of concave-convex mirrors are arranged on the inner wall of the laser inserting platform 58.

[0090] The working principle and beneficial effects of this embodiment are as follows: by sliding the sliding ball wheel platforms 571 respectively arranged at the two ends of the lens box 57 in the interlayer of the sliding clamp seat 56, through the multiple sliding balls in the sliding ball wheel platforms 571, it is convenient to make the lens box 57 cooperate with the laser 48 to move the entire XY axis, ensuring that the multiple concave and convex mirrors of different specifications in the lens box 57 are synchronously moved with the laser 48;

[0091] The upper end of the lens box 57 is provided with a plurality of swing connection grooves 572, and an arc-shaped slide bar is provided through the arc-shaped limit sliding in the swing connection groove 572, and the arc-shaped slide bar is fixed at the lower end of the laser plug-in platform 58, so as to facilitate the fine adjustment of the offset to avoid interference; a plurality of laser sockets are provided on the laser plug-in platform 58, so that a plurality of limit plug rods 49 can be conveniently plugged into the laser adjustment side head 5 for selecting and connecting the corresponding lenses, and then switch and select the sockets of lenses of different specifications at the upper end of the laser plug-in platform 58. Specific implementation method seven:

[0093] like Figure 1 — Fig.21 As shown, a method for fine carving for adjusting the direction of lines of a drawing file is provided, wherein the carving clamping device 6 comprises a tilting drive motor 61, a tilting drive platform 62, a symmetrical hinged plate 63, a processing platform 64, a processing seat 65, a central rotating motor 66, a central ball seat 67 and a processing lower clamping plate 68, wherein the tilting drive motor 61 is fixed to the lower end of the central partition plate of the carving protection box 1, and the transmission shaft of the tilting drive motor 61 is fixed to the center of the tilting drive platform 62, and two symmetrical hinged plates 63 are symmetrically fixed to the upper end of the tilting drive platform 62, and the upper ends of the two symmetrical hinged plates 63 are respectively hinged on the processing platform 64, and the two ends of the processing platform 64 slide in an arc shape in the processing seat 65, and the processing seat 65 is fixed on the central partition plate of the carving protection box 1, and the central rotating motor 66 is fixed to the center of the tilting drive platform 62, and the outer wall of the transmission shaft of the central rotating motor 66 is fixed with a central ball seat 67, and the central ball seat 67 slides in the ball groove set in the center of the central partition plate, and the upper end of the transmission shaft of the central rotating motor 66 is fixed with a processing lower clamping plate 68.

[0094] The working principle and beneficial effects of this embodiment are as follows: by fixing the tilting driving motor 61 to the lower end of the central partition plate of the engraving protection box 1, it is convenient to support and adjust the engraving clamping device 6;

[0095] The driving shaft of the tilting driving motor 61 drives the tilting driving table 62 to tilt and rotate left and right. Two symmetrical hinge plates 63 are symmetrically fixed on the upper end of the tilting driving table 62. The upper ends of the two symmetrical hinge plates 63 are respectively hinged on the processing table 64, so that the processing table 64 is tilted and rotated in the processing seats 65 at both ends, thereby realizing the tilt adjustment of the processing table 64. By placing the waste on the processing table 64, it is convenient for processing in the tilt direction.

[0096] A central ball seat 67 is fixed to the outer wall of the transmission shaft of the central rotating motor 66, and the central ball seat 67 slides in a ball groove provided in the center of the central partition plate to prevent interference during the tilting process;

[0097] A processed lower clamping plate 68 is fixed to the upper end of the transmission shaft of the central rotating motor 66, which drives the processed lower clamping plate 68 to rotate, thereby facilitating the use of rotating engraving and adapting the tilting direction, so as to achieve a more comprehensive engraving angle. Specific implementation eight:

[0099] like Figure 1 — Fig.21 As shown, a method for fine carving for adjusting the direction of lines of a drawing, wherein the processing lower clamping plate 68 rotates at the center of a processing table 64, and two opposite side clamps 69 are respectively arranged at the left and right ends of the processing table 64, and the opposite side clamps 69 include a clamping plate 691, a spring shaft 692, a spring 693, a clamping slot 694 and a clamping locking rod 695; the clamping plate 691 slides on the spring shaft 692, and a spring 693 is sleeved on the spring shaft 692, and the spring 693 is arranged between the clamping plate 691 and the processing table 64, and a clamping slot 694 is arranged on the spring shaft 692, and a clamping locking rod 695 for locking is longitudinally inserted on the clamping plate 691, and the clamping locking rod 695 is inserted in the clamping slot 694.

[0100] The working principle and beneficial effects of this embodiment are as follows: two opposite side clamps 69 are respectively provided at the left and right ends of the processing table 64, and the left and right sides are clamped by the opposite side clamps 69, and the clamping plate 691 slides on the spring shaft 692, and a spring 693 is sleeved on the spring shaft 692, and the spring 693 is arranged between the clamping plate 691 and the processing table 64, so as to realize resetting and aligning the position for use, and a clamping slot 694 is provided on the spring shaft 692. After the clamping position is determined by squeezing the spring 693, the clamping plate 691 is pressed down to longitudinally insert the clamping locking rod 695 for locking, so that the clamping locking rod 695 is inserted into the clamping slot 694, and the inner wall of the clamping slot 694 is provided with a plurality of serrated grooves. The inclined serrated grooves on the clamping locking rod 695 have a slope, so that it can be effectively tightened, thereby stabilizing the locking of both sides. Specific implementation method nine:

[0102] like Figure 1 — Fig.21 As shown, a method for fine carving for adjusting the direction of lines of a drawing, the front and rear ends of the processing table 64 are respectively provided with longitudinal clamps 70, the longitudinal clamps 70 include a limit frame 71, a screw shaft 72, a longitudinal clamping plate 73 and a threaded barrel 74, the limit frame 71 rotates on the upper end of the screw shaft 72, the lower end of the screw shaft 72 is connected to the threaded barrel 74 through threaded cooperation, the threaded barrel 74 is fixed on the processing table 64, and the longitudinal clamping plate 73 is rotatably connected to the threaded barrel 74.

[0103] The working principle and beneficial effects of this embodiment are as follows: the two longitudinal clamps 70 are used to lock and fix in the longitudinal direction. When the waste on the processing lower clamp 68 is clamped longitudinally, the longitudinal clamping plate 73 is rotated on the threaded cylinder 74 to align with the clamping position, and the screw shaft 72 is rotated to drive the clamping limit frame 71 downward through the threaded cooperation. The clamping limit frame 71 is clamped at both ends of the longitudinal clamping plate 73, and at the same time, the longitudinal clamping plate 73 is squeezed downward to clamp the waste, thereby realizing the clamping in the longitudinal direction.

[0104] The above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. A fine carving method for adjusting the direction of lines of a drawing, characterized by: The following steps are involved: S1: Reverse the engraving direction of multiple lines of the image file during laser engraving; S2: When engraving, observe whether there are pits at both ends of the engraving mark and make adjustments; S3: After there are no heavy pits at both ends of the engraving mark, observe whether the two ends are flush and make adjustments.

2. A method for fine carving of adjusting the direction of lines of a drawing according to claim 1, characterized in that: The S2 includes: S21: When engraving, there are pits at both ends, which can be adjusted by switching the light delay; S22: When engraving, if there are no pits at the head and tail ends, continue to observe whether the two ends are flush until they are adjusted to be flush.

3. A method for fine carving of adjusting the direction of lines of a drawing according to claim 2, characterized in that: The S3 includes: S31: If the two ends of the engraving mark are not aligned, the length of the protruding part of the line can be slightly adjusted by the laser engraving device to make it aligned; S32: If the two ends of the engraving mark are flush, the engraving of the mark is completed.

4. A method for fine carving of adjusting the direction of lines of a drawing according to claim 3, characterized in that: The laser engraving device comprises an engraving protection box (1), a controller (2), an adjustment button (3), a laser plane adjuster (4), a laser adjustment side head (5) and an engraving clamping device (6); the upper end of the inner wall of the engraving protection box (1) is fixed with a laser plane adjuster (4); the laser plane adjuster (4) is aligned and connected to the laser adjustment side head (5) for laser engraving; the laser adjustment side head (5) is fixed to the upper end of the central partition plate of the engraving protection box (1); a ball groove is provided at the center of the central partition plate of the engraving protection box (1); an engraving clamping device (6) is provided on the central partition plate; waste materials to be engraved are clamped and fixed on the engraving clamping device (6); the laser plane adjuster (4), the laser adjustment side head (5) and the engraving clamping device (6) are electrically connected to a plurality of adjustment buttons (3) through the controller (2).

5. A method for fine carving of adjusting the direction of lines of a drawing according to claim 4, characterized in that: The laser plane adjuster (4) comprises a support frame (41), a Y-axis driver (42), a Y-axis slide rail (43), an X-axis driver (44) and a laser support slide rail (45); the support frame (41) is fixed to the upper end of the inner wall of the engraving protection box (1); the Y-axis driver (42) and the Y-axis slide rail (43) are fixed on the support frame (41); the Y-axis driver (42) drives the X-axis driver (44) to slide on the Y-axis slide rail (43) along the Y-axis direction; and the X-axis driver (44) drives the laser support slide rail (45) to slide along the X-axis direction.

6. A method for fine carving of adjusting the direction of lines of a drawing according to claim 5, characterized in that: The laser plane adjuster (4) further comprises a switching driver (46), a laser sliding clamp (47), a laser (48) and a limiting plug rod (49); the laser sliding clamp (47) is limitedly slidable in the laser supporting slide rail (45); the switching driver (46) is fixed on the laser supporting slide rail (45) and connected to the laser sliding clamp (47) by threaded engagement; the laser (48) is clamped and fixed on the laser sliding clamp (47); and a plurality of limiting plug rods (49) are fixed at the lower end of the laser sliding clamp (47).

7. A method for fine carving of adjusting the direction of lines of a drawing according to claim 4, characterized in that: The laser adjustment side head (5) comprises a longitudinal driver (51), a longitudinal slide rail (52), a lens slide (53), a fine servo motor (54), a fine drive shaft (55) and a sliding clamp seat (56). The longitudinal driver (51) and the longitudinal slide rail (52) are both fixed on the central partition plate of the engraving protection box (1). The longitudinal driver (51) drives the lens slide (53) to slide longitudinally on the longitudinal slide rail (52). The fine servo motor (54) is fixed on the lens slide (53). The fine servo motor (54) drives the fine drive shaft (55) to rotate in the lens slide (53) through a coupling. The sliding clamp seat (56) is fixed on the fine drive shaft (55).

8. A method for fine carving of adjusting the direction of lines of a drawing according to claim 7, characterized in that: The laser adjustment side head (5) also includes a lens box (57) and a laser insertion platform (58). The lens box (57) is slidably arranged on the inner wall of the sliding clamp seat (56). Sliding ball wheels (571) are respectively arranged at both ends of the lens box (57). The sliding ball in the sliding ball wheel platform (571) slides in the sliding clamp seat (56). The upper end of the lens box (57) is provided with a plurality of swing connection grooves (572). The swing connection grooves (572) are provided with arc-shaped limit sliding arc-shaped sliding rods. The arc-shaped sliding rods are fixed to the lower end of the laser insertion platform (58). The laser insertion platform (58) is provided with a plurality of laser sockets. The inner wall of the laser insertion platform (58) is provided with a plurality of concave-convex mirrors.

9. A method for fine carving of adjusting the direction of lines of a drawing according to claim 4, characterized in that: The engraving clamping device (6) comprises a tilting drive motor (61), a tilting drive platform (62), a symmetrical hinged plate (63), a processing platform (64), a processing seat (65), a central rotating motor (66), a central ball seat (67) and a processing lower clamping plate (68). The tilting drive motor (61) is fixed to the lower end of the central partition plate of the engraving protection box (1). The transmission shaft of the tilting drive motor (61) is fixed to the center of the tilting drive platform (62). The upper end of the tilting drive platform (62) is symmetrically fixed with two symmetrical hinged plates (63). The two symmetrical hinged plates (63) are symmetrically fixed to the upper end of the tilting drive platform (62). The upper ends of the hinged plates (63) are respectively hinged on the processing table (64), and the two ends of the processing table (64) slide in an arc shape in the processing seat (65). The processing seat (65) is fixed on the central partition plate of the engraving protection box (1). The central rotating motor (66) is fixed at the center of the tilting driving table (62). The outer wall of the transmission shaft of the central rotating motor (66) is fixed with a central ball seat (67). The central ball seat (67) slides in a ball groove set in the center of the central partition plate. The upper end of the transmission shaft of the central rotating motor (66) is fixed with a processing lower clamping plate (68).

10. A method for fine carving of adjusting the direction of lines of a drawing according to claim 9, characterized in that: The processing lower clamp (68) rotates at the center of the processing table (64), and two opposite side clamps (69) are respectively arranged at the left and right ends of the processing table (64), and the opposite side clamps (69) include a clamping plate (691), a spring shaft (692), a spring (693), a clamping slot (694) and a clamping locking rod (695); the clamping plate (691) slides on the spring shaft (692), and the spring shaft (692) is sleeved with a spring (693), and the spring (693) is arranged between the clamping plate (691) and the processing table (64), and the spring shaft (692) is provided with a clamping slot (694), and the clamping plate (691) is longitudinally inserted with a clamping locking rod (695) for locking, and the clamping locking rod (695) is inserted in the clamping slot (694).

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