Graduated scale improving device of laser engraving machine

Abstract

The utility model discloses a laser carving machine graduated scale improving device which comprises a fixing plate, the lower surface of the fixing plate is fixedly connected with two limiting rods, a lifting rod is arranged below the fixing plate, and matched sliding grooves are formed in the front side surface and the rear side surface of the lifting rod. The two limiting rods are matched in matching sliding grooves in the front surface and the rear surface of a lifting rod respectively, a groove is formed in the upper surface of the lifting rod, a stay wire type displacement sensor is arranged in the groove of the lifting rod, a stay wire of the stay wire type displacement sensor is fixedly connected to the lower surface of a fixing plate, and a digital display instrument is fixedly connected to the surface of the front side of the fixing plate. The lower surface of the lifting rod is fixedly connected with the laser carving head, and the digital display instrument is connected with the stay wire type displacement sensor through a data line. Through the structure, the lifting rod, the stay wire type displacement sensor and the digital display instrument are arranged, so that the required focal length can be quickly and accurately positioned.

Description

Technical Field

[0001] The utility model relates to the technical field of laser engraving machines, and particularly relates to an improved device for the scale of a laser engraving machine. Background Technique

[0002] A laser engraving machine, usually referring to a laser carving machine, is a device that uses a laser beam to engrave or cut on the surfaces of various materials. This machine focuses a high-energy laser beam and heats the surface of the material in an extremely short time to achieve the engraving effect. Laser engraving machines can be applied to various industries, such as advertising, handicraft production, mold processing, electronic component marking, etc.

[0003] During the processing of the brand by the laser engraving machine, due to the differences in the types of ball head brands, the corresponding parameters to be laser engraved are also different. The focal length adjustment scale carried by the engraving machine is pointer type, and the operator cannot quickly and accurately adjust to the accurate focal length distance. Once the brand is replaced, it takes more time to debug the focal length and related laser parameters, thus wasting more man-hours. Content of the Utility Model

[0004] The utility model provides an improved device for the scale of a laser engraving machine, which can quickly and accurately locate the required focal length.

[0005] To achieve the above object, an improved device for the scale of a laser engraving machine is provided, including a fixing plate: a limiting rod is fixedly connected to the lower surface of the fixing plate, and the number of the limiting rods is two. A lifting rod is arranged below the fixing plate, and matching chutes are arranged on the front and rear side surfaces of the lifting rod. The two limiting rods are respectively fitted in the matching chutes on the front and rear surfaces of the lifting rod. A groove is arranged on the upper surface of the lifting rod, and a wire-drawing type displacement sensor is arranged in the groove of the lifting rod. The wire of the wire-drawing type displacement sensor is fixedly connected to the lower surface of the fixing plate. A digital display instrument is fixedly connected to the front side surface of the fixing plate, and the lower surface of the lifting rod is fixedly connected to a laser engraving head. The digital display instrument is connected to the wire-drawing type displacement sensor through a data line. By setting the cooperation of the limiting rod and the lifting rod, it is convenient to limit the moving track of the lifting rod. By setting the lifting rod, it is convenient to drive the laser engraving head to move, so as to adjust the focal length of the laser engraving head. By setting the wire-drawing type displacement sensor, it is convenient to determine the displacement distance of the lifting rod. By setting the display instrument, it is convenient to display the displacement data detected by the wire-drawing type displacement sensor.

[0006] According to the improved device for the scale of a laser engraving machine, a vertical plate is fixedly connected to the lower surface of the fixing plate, and a servo motor is fixedly connected to the front side surface of the vertical plate. The output end of the servo motor is fixedly connected to a rotating shaft. By setting the servo motor, it is convenient to drive the gear to rotate.

[0007] According to the described device for improving the scale of a laser engraving machine, a gear is fixedly connected to the cylindrical surface of the rotating shaft, and the gear is on the right side of the lifting rod. The gear is provided to facilitate driving the lifting rod to move up or down during its rotation.

[0008] According to the described device for improving the scale of a laser engraving machine, a tooth groove is provided on the right side surface of the lifting rod, and the gear meshes with the tooth groove on the right side surface of the lifting rod.

[0009] According to the described device for improving the scale of a laser engraving machine, a mating groove is provided on the right side surface of the lifting rod. The mating groove on the right side surface of the lifting rod communicates with the groove on the upper surface of the lifting rod. A limiting insertion plate is slidably connected to the mating groove on the right side surface of the lifting rod. The lower surface of the part of the limiting insertion plate that extends into the groove on the upper surface of the lifting rod contacts the upper surface of the main body of the wire-drawing displacement sensor. The limiting insertion plate is provided to facilitate fixing the position of the wire-drawing displacement sensor in the groove of the lifting rod.

[0010] According to the described device for improving the scale of a laser engraving machine, a mating hole is provided on the upper surface of the limiting insertion plate outside the lifting rod, and a fixing mechanism is provided on the left side surface of the lifting rod. The fixing mechanism is provided to facilitate fixing the position of the limiting insertion plate on the lifting rod.

[0011] According to the described device for improving the scale of a laser engraving machine, the fixing mechanism includes a pulling block, a spring, a sliding shaft, and a fixing block. The fixing block is fixedly connected to the left side surface of the lifting rod. The fixing block is above the limiting insertion plate. A through-round hole is provided on the upper surface of the fixing block. The sliding shaft is slidably connected to the through-round hole of the fixing block, and the sliding shaft extends into the mating hole of the limiting insertion plate.

[0012] According to the described device for improving the scale of a laser engraving machine, the pulling block is fixedly connected to the upper surface of the sliding shaft, the spring is fixedly connected between the lower surface of the pulling block and the upper surface of the fixing block, and the spring is looped around the cylindrical surface of the sliding shaft.

[0013] The beneficial effects of the present utility model: By providing a lifting rod, a wire-drawing displacement sensor, and a digital display instrument, the required focal length can be quickly and accurately positioned.

[0014] Additional aspects and advantages of the present utility model will be partially given in the following description, partially will become apparent from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The following further describes the present utility model in conjunction with the drawings and embodiments;

[0016] Figure 1 It is a schematic diagram of the overall structure of a device for improving the scale of a laser engraving machine of the present utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of another perspective of an improved device for the scale of a laser engraving machine according to the present utility model;

[0018] Figure 3 This is a schematic cross-sectional view of the installation of a wire-pulling displacement sensor of an improved device for the scale of a laser engraving machine according to the present utility model within a limiting rod;

[0019] Figure 4 This is a schematic diagram of the structure of a limiting insertion plate of an improved device for the scale of a laser engraving machine according to the present utility model;

[0020] Figure 5 This is an enlarged view of the partial structure at position A of an improved device for the scale of a laser engraving machine according to the present utility model.

[0021] Legend description:

[0022] 1. Fixed plate; 2. Digital display instrument; 3. Limiting rod; 4. Fixing mechanism; 401. Pulling block; 402. Spring; 403. Sliding shaft; 404. Fixed block; 5. Limiting insertion plate; 6. Lifting rod; 7. Laser engraving head; 8. Gear; 9. Rotating shaft; 10. Servo motor; 11. Vertical plate; 12. Wire-pulling displacement sensor. Specific implementation manners

[0023] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to visually and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be construed as a limitation on the protection scope of the present utility model.

[0024] Referring to Figures 1 to 5 , an improved device for the scale of a laser engraving machine according to an embodiment of the present utility model includes a fixed plate 1: the lower surface of the fixed plate 1 is fixedly connected to two limiting rods 3. A lifting rod 6 is arranged below the fixed plate 1. Matching chutes are arranged on the front and rear side surfaces of the lifting rod 6. The two limiting rods 3 are respectively fitted in the matching chutes on the front and rear surfaces of the lifting rod 6. A groove is arranged on the upper surface of the lifting rod 6. A wire-pulling displacement sensor 12 is arranged in the groove of the lifting rod 6. The wire of the wire-pulling displacement sensor 12 is fixedly connected to the lower surface of the fixed plate 1. The front side surface of the fixed plate 1 is fixedly connected to a digital display instrument 2. The lower surface of the lifting rod 6 is fixedly connected to a laser engraving head 7. The digital display instrument 2 is connected to the wire-pulling displacement sensor 12 through a data line. The fixed plate 1 is fixed to the mobile end of the laser engraving machine. The digital display instrument 2 is communicated with the control system of the laser engraving machine. The digital display instrument 2 will transmit the displacement information detected by the wire-pulling displacement sensor 12 to the control system of the laser engraving machine.

[0025] A mating groove is provided on the right surface of the lifting rod 6. The mating groove on the right surface of the lifting rod 6 communicates with the groove on the upper surface of the lifting rod 6. The mating groove on the right surface of the lifting rod 6 is slidably connected to the limit insertion plate 5. The lower surface of the part of the limit insertion plate 5 that extends into the groove on the upper surface of the lifting rod 6 contacts the upper surface of the main body part of the wire-drawing displacement sensor 12. A mating hole is provided on the upper surface of the limit insertion plate 5 outside the lifting rod 6.

[0026] A fixing mechanism 4 is provided on the left surface of the lifting rod 6. The fixing mechanism 4 includes a pulling block 401, a spring 402, a sliding shaft 403, and a fixing block 404. The fixing block 404 is fixedly connected to the left surface of the lifting rod 6. The fixing block 404 is above the limit insertion plate 5. A through-round hole is provided on the upper surface of the fixing block 404. The sliding shaft 403 is slidably connected to the through-round hole of the fixing block 404. The sliding shaft 403 extends into the mating hole of the limit insertion plate 5. The pulling block 401 is fixedly connected to the upper surface of the sliding shaft 403. The spring 402 is fixedly connected between the lower surface of the pulling block 401 and the upper surface of the fixing block 404. The spring 402 is looped around the cylindrical surface of the sliding shaft 403.

[0027] The lower surface of the fixing plate 1 is fixedly connected to the vertical plate 11. The front surface of the vertical plate 11 is fixedly connected to the servo motor 10. The output end of the servo motor 10 is fixedly connected to the rotating shaft 9. The servo motor 10 is controlled by the control system of the laser engraving machine and has a self-locking ability.

[0028] The cylindrical surface of the rotating shaft 9 is fixedly connected to the gear 8. The gear 8 is on the right side of the lifting rod 6. A tooth groove is provided on the right surface of the lifting rod 6. The gear 8 meshes with the tooth groove on the right surface of the lifting rod 6.

[0029] Working principle: When it is necessary to adjust the focal length during product replacement, determine the distance that the laser engraving head 7 needs to move according to the replaced product, input the corresponding data on the digital display instrument 2, and then drive the servo motor 10 to drive the gear 8 to rotate through the control system of the laser engraving machine, thereby driving the lifting rod 6 and the laser engraving head 7 to move. During this process, the wire-drawing displacement sensor 12 will detect the moving distance of the lifting rod 6 and the laser engraving head 7 and transmit the information to the digital display instrument 2. When the data detected by the wire-drawing displacement sensor 12 is the same as the data previously input on the digital display instrument 2, the digital display instrument 2 transmits this information to the control system of the laser engraving machine. After receiving this information, the control system of the laser engraving machine controls the servo motor 10 to stop moving, thereby determining the position of the laser engraving head 7, and thus enabling quick and accurate positioning of the required focal length.

[0030] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present invention.

Claims

1. An improvement device for the scale of a laser engraving machine, characterized in that, It includes a fixing plate (1): The lower surface of the fixing plate (1) is fixedly connected with a limiting rod (3). The number of the limiting rods (3) is two. A lifting rod (6) is arranged below the fixing plate (1). The front and rear side surfaces of the lifting rod (6) are provided with matching chutes. The two limiting rods (3) are respectively fitted in the matching chutes on the front and rear surfaces of the lifting rod (6). A groove is arranged on the upper surface of the lifting rod (6). A wire-drawing displacement sensor (12) is arranged in the groove of the lifting rod (6). The wire of the wire-drawing displacement sensor (12) is fixedly connected to the lower surface of the fixing plate (1). A digital display instrument (2) is fixedly connected to the front side surface of the fixing plate (1). A laser engraving head (7) is fixedly connected to the lower surface of the lifting rod (6). The digital display instrument (2) is connected to the wire-drawing displacement sensor (12) through a data line.

2. The improvement device for the scale of a laser engraving machine according to claim 1, wherein, A vertical plate (11) is fixedly connected to the lower surface of the fixing plate (1). A servo motor (10) is fixedly connected to the front side surface of the vertical plate (11). The output end of the servo motor (10) is fixedly connected to a rotating shaft (9).

3. An improvement device for the scale of a laser engraving machine according to claim 2, characterized in that, A gear (8) is fixedly connected to the cylindrical surface of the rotating shaft (9). The gear (8) is on the right side of the lifting rod (6).

4. The improved device for the scale of a laser engraving machine according to claim 3, characterized in that, A tooth groove is arranged on the right side surface of the lifting rod (6). The gear (8) meshes with the tooth groove on the right side surface of the lifting rod (6).

5. The improvement device for the scale of a laser engraving machine according to claim 1, characterized in that A matching groove is arranged on the right side surface of the lifting rod (6). The matching groove on the right side surface of the lifting rod (6) communicates with the groove on the upper surface of the lifting rod (6). A limiting plug board (5) is slidably connected to the matching groove on the right side surface of the lifting rod (6). The lower surface of the part of the limiting plug board (5) that extends into the groove on the upper surface of the lifting rod (6) contacts the upper surface of the main body part of the wire-drawing displacement sensor (12).

6. The improved device for the scale of a laser engraving machine according to claim 5, characterized in that A matching hole is arranged on the upper surface of the limiting plug board (5) outside the lifting rod (6). A fixing mechanism (4) is arranged on the left side surface of the lifting rod (6).

7. An improved device for the scale of a laser engraving machine according to claim 6, characterized in that, The fixing mechanism (4) includes a pulling block (401), a spring (402), a sliding shaft (403) and a fixing block (404). The fixing block (404) is fixedly connected to the left side surface of the lifting rod (6). The fixing block (404) is above the limiting plug board (5). A through round hole is arranged on the upper surface of the fixing block (404). The sliding shaft (403) is slidably connected to the through round hole of the fixing block (404). The sliding shaft (403) extends into the matching hole of the limiting plug board (5).

8. An improvement device for the scale of a laser engraving machine according to claim 7, characterized in that, The pulling block (401) is fixedly connected to the upper surface of the sliding shaft (403). The spring (402) is fixedly connected between the lower surface of the pulling block (401) and the upper surface of the fixing block (404). The spring (402) is looped around the cylindrical surface of the sliding shaft (403).

Images