Automatic feeding machine for gravestone carving
Through the combination of the transfer transmission mechanism, movable clamping mechanism and binocular camera of the automatic feeding machine, the engraving face is identified and controlled, and the problem of the inability to select the least damaged defects in the prior art is solved, and the processing quality of tombstone carving is improved.
Patent Information
- Application Number
- CN202510725288.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-03
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2045-06-03
AI Technical Summary
The prior art cannot effectively identify the two sides of the tombstone stone, resulting in the inability to select the face with the least damaged defects for engraving, affecting the processing quality of the tombstone.
An automatic feeding machine including a transfer transmission mechanism, a movable clamping mechanism, a binocular camera and a controller is used to identify the engraving face through binocular shooting data and perform engraving control to ensure that the face with the least damaged defects is selected for engraving.
It realizes effective identification and carving of tombstone stone, ensures processing quality, selects the face with the least damaged defects for engraving, and improves the processing quality of tombstone.
Smart Images

Figure CN120269699A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of tombstone carving and processing, and particularly relates to an automatic loading machine for tombstone carving. Background Art
[0002] Tombstone carving and processing is a professional processing process that uses various tools, technologies and techniques to carve patterns, characters and other elements on tombstone stones to achieve the purposes of commemorating the deceased, conveying emotions, recording information, etc.
[0003] During the transportation and processing of tombstone stones, it is possible to cause damage to the surface of the tombstone stones. In the prior art, it is impossible to effectively identify the two surfaces of the tombstone stones, and it is impossible to select the surface and area with the least damage defects for carving and processing, which affects the processing quality of the tombstone. Summary of the Invention
[0004] The purpose of the embodiments of the present invention is to provide an automatic loading machine for tombstone carving, aiming to solve the problems in the prior art.
[0005] The embodiments of the present invention are implemented as follows: An automatic loading machine for tombstone carving, including an upper plate and a lower plate, the upper plate and the lower plate are fixedly connected by a plurality of connecting frames, a chute is opened in the upper plate, a slider is slidably installed in the chute, and the automatic loading machine for tombstone carving further includes: A transfer transmission mechanism, the transfer transmission mechanism is in transmission connection with the slider; An active clamping mechanism, the active clamping mechanism is connected with the transfer transmission mechanism and is used for clamping the tombstone stone; A first binocular camera and a second binocular camera, the first binocular camera and the second binocular camera are installed at one end of the lower plate and are used for binocular shooting of two target surfaces of the tombstone stone to obtain binocular shooting data; A controller, the controller is installed at one end of the lower plate and is used for identifying the binocular shooting data, selecting a carving surface from the two target surfaces, and performing carving control; An active carving structure, the active carving structure is installed on both sides of the upper plate and is used for carving and processing the carving surface.
[0006] Preferably, the transfer transmission mechanism specifically includes: A first worm and a second worm, the first worm and the second worm are rotatably installed between a plurality of connecting frames, one end of the first worm is in transmission connection with the output end of a first motor, and one end of the second worm is in transmission connection with the output end of a second motor; A worm gear, the worm gear is meshed and installed between the first worm and the second worm; A transmission shaft, which is fixedly connected to a worm gear and rotatably connected to a slider.
[0007] Preferably, the movable clamping mechanism specifically includes: A transmission frame, one end of which is fixedly connected to the transmission shaft, and a pair of mounting frames are fixedly installed on both sides of the transmission frame; Hydraulic rods, a plurality of which are provided, and the plurality of hydraulic rods are installed at one end of the pair of mounting frames; Clamping blocks, a plurality of which are provided, and the plurality of clamping blocks are installed at one end of the plurality of hydraulic rods.
[0008] Preferably, the movable engraving structure specifically includes: A first engraving transmission mechanism, which is installed on one side of the upper plate, and a first engraving machine is movably installed on the first engraving transmission mechanism; A second engraving transmission mechanism, which is installed on the side of the upper plate away from the first engraving transmission mechanism, and a second engraving machine is movably installed on the second engraving transmission mechanism. The engraving direction of the second engraving machine is opposite to that of the first engraving machine.
[0009] Preferably, a first side frame is fixedly installed on one side of the upper plate, the first engraving transmission mechanism is installed on the first side frame, a second side frame is fixedly installed on the side of the upper plate away from the first side frame, and the second engraving transmission mechanism is installed on the second side frame.
[0010] Preferably, a first binocular camera is fixedly installed at one end of the lower plate, a fixing frame is fixedly installed at one end of the lower plate close to the first binocular camera, and a second binocular camera and a controller are fixedly installed on the fixing frame.
[0011] Preferably, the steps of identifying the binocular shooting data, selecting an engraving surface from the two target surfaces, and performing engraving control specifically include the following steps: Performing clamping control on the movable clamping mechanism and performing transmission control of multi-position transfer on the transfer transmission mechanism; Performing shape recognition and defect recognition on the binocular shooting data, and recording the overall shape data and defect position data of the two target surfaces; According to the overall shape data and the defect position data, performing flatness recognition and area planning on the two target surfaces, determining two rectangular flat areas, and calculating the corresponding flat area areas; Comparing the areas of the two flat areas, selecting an engraving flat area from the two rectangular flat areas, and selecting an engraving surface from the two target surfaces; Obtaining tombstone engraving information; Generate engraving program data according to the tombstone engraving information and the engraved flat area; Perform engraving control on the first engraving transmission mechanism or the second engraving transmission mechanism according to the engraving program data.
[0012] Preferably, the clamping control of the movable clamping mechanism and the transmission control of multi-position transfer of the transfer transmission mechanism specifically include the following steps: At one end away from the controller, perform clamping control on the movable clamping mechanism to clamp the tombstone stone; Perform transmission control on the transfer transmission mechanism to drive the clamped tombstone stone to transfer to one end close to the controller; After generating the engraving program data, perform transmission control on the transfer transmission mechanism to drive the clamped tombstone stone to transfer to the first engraving transmission mechanism or the second engraving transmission mechanism.
[0013] Compared with the prior art, the beneficial effects of the present invention are: An automatic loading machine for tombstone engraving provided by an embodiment of the present invention can transfer tombstone stones to different positions. At one end of the upper plate, binocular shooting is performed on two target surfaces of the tombstone stone, and then identification is performed through the controller. From the two target surfaces, the engraving surface is selected and engraving control is performed, so that effective identification of the two surfaces of the tombstone stone can be carried out, and the surface and area with the least damage and defects are selected for engraving processing to ensure the processing quality of the tombstone. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A three-dimensional structure diagram of an automatic loading machine for tombstone engraving provided by an embodiment of the present invention; Figure 2 A top view of an automatic loading machine for tombstone engraving provided by an embodiment of the present invention; Figure 3 A partial structure diagram of an automatic loading machine for tombstone engraving provided by an embodiment of the present invention; Figure 4 A three-dimensional structure diagram of the upper plate and the lower plate provided by an embodiment of the present invention; Figure 5 A three-dimensional structure diagram of the transfer transmission mechanism and the movable clamping mechanism provided by an embodiment of the present invention; Figure 6 An installation structure diagram of a transmission shaft provided by an embodiment of the present invention; Figure 7 A flowchart for identifying and processing binocular shooting data provided by an embodiment of the present invention; Figure 8 A flowchart for clamping control and transmission control of multi-position transfer provided by an embodiment of the present invention.
[0015] In the accompanying drawings: 1. upper plate; 2. lower plate; 3. connecting frame; 4. fixing frame; 5. first side frame; 6. second side frame; 7. sliding groove; 8. slider; 9. first worm; 10. second worm; 11. first motor; 12. second motor; 13. worm gear; 14. transmission shaft; 15. first engraving transmission mechanism; 16. first engraving machine; 17. second engraving transmission mechanism; 18. second engraving machine; 19. transmission frame; 20. mounting frame; 21. hydraulic rod; 22. clamping block; 23. first binocular camera; 24. second binocular camera; 25. controller. Specific embodiments
[0016] In order to make the objectives, technical solutions and advantages of the present invention more clear and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0017] The following describes in detail the specific implementation of the present invention with reference to specific embodiments.
[0018] In an embodiment of the present invention, as Figure 1 , Figure 2 , Figure 3 and Figure 4 shown: An automatic loading machine for tombstone engraving includes an upper plate 1 and a lower plate 2. The upper plate 1 and the lower plate 2 are fixedly connected by a plurality of connecting frames 3. A sliding groove 7 is formed in the upper plate 1, and a slider 8 is slidably installed in the sliding groove 7. The automatic loading machine for tombstone engraving further includes: A transfer transmission mechanism, which is in transmission connection with the slider 8; An active clamping mechanism, which is connected to the transfer transmission mechanism and is used to clamp the tombstone stone; A first binocular camera 23 and a second binocular camera 24, which are installed at one end of the lower plate 2 and are used to perform binocular shooting on two target surfaces of the tombstone stone to obtain binocular shooting data; A controller 25, which is installed at one end of the lower plate 2 and is used to identify the binocular shooting data, select an engraving surface from the two target surfaces, and perform engraving control; An active engraving structure, which is installed on both sides of the upper plate 1 and is used to perform engraving processing on the engraving surface.
[0019] In one embodiment of the present invention, the upper plate 1 and the lower plate 2 are fixedly connected by a pair of connecting frames 3, a slide groove 7 is opened in the upper plate 1, a slider 8 is slidably installed in the slide groove 7, the slider 8 is transmission-connected to the transfer transmission mechanism, the transfer transmission mechanism is connected to the movable clamping mechanism, the first binocular camera 23 and the second binocular camera 24 are installed at the right end of the lower plate 2, the movable engraving structure is installed on the front and rear sides of the upper plate 1, and a support frame is installed at the bottom of the lower plate 2.
[0020] During operation, the transfer transmission mechanism and the movable clamping mechanism are in an initial state, located at the left end of the upper plate 1. At this time, the tombstone stone is clamped by the movable clamping mechanism. After that, the transfer transmission mechanism drives the movable clamping mechanism to move and rotate, so that the clamped tombstone stone arrives at the right end of the upper plate 1. The first binocular camera 23 and the second binocular camera 24 are used to perform binocular photography of the two target surfaces above and below the tombstone stone, obtain binocular photography data, and transmit the binocular photography data to the controller 25. The controller 25 identifies the binocular photography data, selects the engraving surface with the least damage defects from the two target surfaces, and then drives the movable clamping mechanism to move and rotate through the transfer transmission mechanism, so that the clamped tombstone stone arrives at the movable engraving structure, and the movable engraving structure is controlled to perform engraving, so that the movable engraving structure performs engraving processing on the engraving surface of the tombstone stone.
[0021] In another embodiment of the present invention, Figures 1 to 6 As shown: The transfer transmission mechanism specifically comprises: A first worm 9 and a second worm 10, wherein the first worm 9 and the second worm 10 are rotatably mounted between a plurality of connecting frames 3, one end of the first worm 9 is drivingly connected to an output end of a first motor 11, and one end of the second worm 10 is drivingly connected to an output end of a second motor 12; A worm gear 13, the worm gear 13 is meshed and installed between the first worm 9 and the second worm 10; The transmission shaft 14 is fixedly connected to the worm gear 13 , and the transmission shaft 14 is rotationally connected to the slider 8 .
[0022] The movable clamping mechanism specifically comprises: A transmission frame 19, one end of which is fixedly connected to the transmission shaft 14, and a pair of mounting frames 20 are fixedly mounted on both sides of the transmission frame 19; A hydraulic rod 21, wherein a plurality of hydraulic rods 21 are provided, and the plurality of hydraulic rods 21 are mounted at one end of a pair of mounting frames 20; The clamping block 22 is provided in plurality, and the plurality of clamping blocks 22 are installed at one end of the plurality of hydraulic rods 21 .
[0023] The movable engraving structure specifically comprises: The first engraving transmission mechanism 15 is installed on one side of the upper plate 1, and a first engraving machine 16 is movably installed on the first engraving transmission mechanism 15; The second engraving transmission mechanism 17 is installed on the side of the upper plate 1 away from the first engraving transmission mechanism 15. A second engraving machine 18 is movably installed on the second engraving transmission mechanism 17, and the engraving direction of the second engraving machine 18 is opposite to that of the first engraving machine 16.
[0024] A first side frame 5 is fixedly installed on one side of the upper plate 1, and the first engraving transmission mechanism 15 is installed on the first side frame 5. A second side frame 6 is fixedly installed on the side of the upper plate 1 away from the first side frame 5, and the second engraving transmission mechanism 17 is installed on the second side frame 6.
[0025] One end of the lower plate 2 is fixedly installed with a first binocular camera 23. A fixing frame 4 is fixedly installed at one end of the lower plate 2 close to the first binocular camera 23. A second binocular camera 24 and a controller 25 are fixedly installed on the fixing frame 4.
[0026] In an embodiment of the present invention, a support frame is installed at the bottom of the lower plate 2. Between the lower plate 2 and the upper plate 1, they are fixedly connected by a pair of connecting frames 3. A first worm 9 and a second worm 10 are rotatably installed between the pair of connecting frames 3, and the first worm 9 and the second worm 10 are a pair of worms with the same parameters. The right end of the first worm 9 is drivingly connected to the output end of the first motor 11, the right end of the second worm 10 is drivingly connected to the second motor 12. A worm gear 13 is meshingly installed between the first worm 9 and the second worm 10. The lower end of the transmission shaft 14 is fixedly installed in the worm gear 13. A chute 7 is opened on the upper plate 1, and a slider 8 is slidably installed in the chute 7. The middle part of the transmission shaft 14 is rotatably connected to the slider 8. The top end of the transmission shaft 14 is fixedly connected to a transmission frame 19. A pair of mounting frames 20 are fixedly installed on both sides of the transmission frame 19. A pair of hydraulic rods 21 are fixedly installed on the pair of mounting frames 20. The output ends of the pair of hydraulic rods 21 are fixedly installed with a pair of clamping blocks 22. The upper end surface of the right end of the lower plate 2 is fixedly installed with a first binocular camera 23. The right end of the lower plate 2 is fixedly installed with a fixing frame 4. The lower end surface of the top of the fixing frame 4 is fixedly installed with a second binocular camera 24. The upper end surface of the top of the fixing frame 4 is fixedly installed with a controller 25. The first side frame 5 is fixedly installed at the rear side of the upper plate 1. The first engraving transmission mechanism 15 is installed on the first side frame 5. The first engraving machine 16 is movably installed on the first engraving transmission mechanism 15. The second side frame 6 is fixedly installed at the front side of the upper plate 1. The second engraving transmission mechanism 17 is installed on the second side frame 6. The second engraving machine 18 is movably installed on the second engraving transmission mechanism 17.
[0027] During operation, it starts in the initial state. At this time, the slider 8 is located at the left end of the chute 7, and the transmission frame 19 faces the left end of the upper plate 1, so that a pair of hydraulic rods 21 and a pair of clamping blocks 22 are both located at the left end of the upper plate 1. When tombstone stones need to be loaded, a pair of hydraulic rods 21 drive a pair of clamping blocks 22 to clamp the tombstone stones. Then, by controlling the operation of the first motor 11 and the second motor 12, when the first motor 11 and the second motor 12 drive the first worm 9 and the second worm 10 to rotate at the same speed and in the same direction, under the sliding restriction of the slider 8, the worm wheel 13 moves to the right. The worm wheel 13 drives the transmission shaft 14 and the transmission frame 19 to move to the right, thereby driving the clamped tombstone stones to move to the right end of the upper plate 1. Then, drive the first motor 11 and the second motor 12 to drive the first worm 9 and the second worm 10 to rotate at the same speed and in the opposite direction, so that the worm wheel 13 rotates, driving the transmission shaft 14 and the transmission frame 19 to rotate, and rotating the clamped tombstone stones between the first binocular camera 23 and the second binocular camera 24. The first binocular camera 23 and the second binocular camera 24 perform binocular shooting on the two target surfaces of the upper and lower sides of the tombstone stones, obtain binocular shooting data, and transmit the binocular shooting data to the controller 25. The controller 25 performs shape recognition and defect recognition on the binocular shooting data, records the overall shape data and defect position data of the two target surfaces, and then performs flatness recognition and area planning on the two target surfaces according to the overall shape data and defect position data, determines the rectangular flat areas without defects in the two target surfaces, and calculates the corresponding flat area. By comparing the two flat areas, the rectangular flat area with a larger flat area is selected as the carving flat area, and the corresponding target surface is selected as the carving surface. Then, obtain the tombstone carving information, and perform carving planning by integrating the tombstone carving information and the carving flat area to generate carving program data. After that, control the operation of the first motor 11 and the second motor 12, so that the first motor 11 and the second motor 12 drive the first worm 9 and the second worm 10 to rotate at the same speed and in the same direction and at the same speed and in the opposite direction, driving the transmission shaft 14 and the transmission frame 19 to move and rotate. If the carving surface is the upper side of the tombstone stone, drive the clamped tombstone stones to the first carving transmission mechanism 15, and control the first carving transmission mechanism 15 and the first carving machine 16 according to the carving program data to perform carving processing on the carving flat area of the carving surface belonging to the upper side of the tombstone stone; if the carving surface is the lower side of the tombstone stone, drive the clamped tombstone stones to the second carving transmission mechanism 17, and control the second carving transmission mechanism 17 and the second carving machine 18 according to the carving program data to perform carving processing on the carving flat area of the carving surface belonging to the lower side of the tombstone stone.
[0028] Specifically, Figure 7 is a flowchart for identifying and processing binocular shooting data provided by an embodiment of the present invention.
[0029] In an embodiment of the present invention, the identification of the binocular shooting data, the selection of the engraving surface from the two target surfaces, and the engraving control specifically include the following steps: Step S101, perform clamping control on the movable clamping mechanism and perform transmission control for multi-position transfer on the transfer transmission mechanism; Step S102, perform contour recognition and defect recognition on the binocular shooting data, and record the overall contour data and defect position data of the two target surfaces; Step S103, based on the overall contour data and the defect position data, perform flatness recognition and area planning on the two target surfaces, determine two rectangular flat areas, and calculate the corresponding flat area sizes; Step S104, compare the sizes of the two flat areas, select the engraving flat area from the two rectangular flat areas, and select the engraving surface from the two target surfaces; Step S105, obtain tombstone engraving information; Step S106, perform engraving planning based on the tombstone engraving information and the engraving flat area to generate engraving program data; Step S107, perform engraving control on the first engraving transmission mechanism 15 or the second engraving transmission mechanism 17 according to the engraving program data.
[0030] Specifically, Figure 8 is a flowchart of the clamping control and the transmission control for multi-position transfer provided by the embodiment of the present invention.
[0031] In an embodiment of the present invention, the clamping control of the movable clamping mechanism and the transmission control for multi-position transfer of the transfer transmission mechanism specifically include the following steps: Step S1011, perform clamping control on the movable clamping mechanism at one end away from the controller 25 to clamp the tombstone stone material; Step S1012, perform transmission control on the transfer transmission mechanism to drive the clamped tombstone stone material to transfer to one end close to the controller 25; Step S1013, after generating the engraving program data, perform transmission control on the transfer transmission mechanism to drive the clamped tombstone stone material to transfer to the first engraving transmission mechanism 15 or the second engraving transmission mechanism 17.
[0032] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. An automatic feeding machine for tombstone engraving, comprising an upper plate (1) and a lower plate (2), characterized in that, The upper plate (1) and the lower plate (2) are fixedly connected by a plurality of connecting frames (3). A chute (7) is formed in the upper plate (1), and a slider (8) is slidably installed in the chute (7). The automatic loading machine for tombstone carving further includes: A transfer transmission mechanism, which is in transmission connection with the slider (8); A movable clamping mechanism, which is connected to the transfer transmission mechanism and is used for clamping the tombstone stone; A first binocular camera (23) and a second binocular camera (24), which are installed at one end of the lower plate (2) and are used for binocular shooting of two target surfaces of the tombstone stone to obtain binocular shooting data; A controller (25), which is installed at one end of the lower plate (2) and is used for identifying the binocular shooting data, selecting a carving surface from the two target surfaces, and performing carving control; A movable carving structure, which is installed on both sides of the upper plate (1) and is used for carving the carving surface.
2. The automatic feeding machine for tombstone carving according to claim 1, wherein, The transfer transmission mechanism specifically includes: A first worm (9) and a second worm (10), which are rotatably installed between a plurality of connecting frames (3). One end of the first worm (9) is in transmission connection with the output end of a first motor (11), and one end of the second worm (10) is in transmission connection with the output end of a second motor (12); A worm gear (13), which is meshingly installed between the first worm (9) and the second worm (10); A transmission shaft (14), which is fixedly connected to the worm gear (13) and is rotatably connected to the slider (8).
3. The automatic feeding machine for tombstone carving according to claim 2, characterized in that, The movable clamping mechanism specifically includes: A transmission frame (19), one end of which is fixedly connected to the transmission shaft (14), and a pair of mounting frames (20) are fixedly installed on both sides of the transmission frame (19); Hydraulic rods (21), a plurality of which are provided, and the plurality of hydraulic rods (21) are installed at one end of a pair of the mounting frames (20); Clamping blocks (22), a plurality of which are provided, and the plurality of clamping blocks (22) are installed at one end of the plurality of hydraulic rods (21).
4. The automatic loading machine for tombstone engraving according to claim 1, characterized in that, The movable carving structure specifically includes: A first carving transmission mechanism (15), which is installed on one side of the upper plate (1), and a first carving machine (16) is movably installed on the first carving transmission mechanism (15); A second carving transmission mechanism (17), which is installed on the side of the upper plate (1) away from the first carving transmission mechanism (15), and a second carving machine (18) is movably installed on the second carving transmission mechanism (17). The carving direction of the second carving machine (18) is opposite to that of the first carving machine (16).
5. The automatic feeding machine for tombstone engraving according to claim 4, wherein One side of the upper plate (1) is fixedly installed with a first side frame (5), the first engraving transmission mechanism (15) is installed on the first side frame (5), the other side of the upper plate (1) away from the first side frame (5) is fixedly installed with a second side frame (6), and the second engraving transmission mechanism (17) is installed on the second side frame (6).
6. The automatic loading machine for tombstone carving according to claim 1, characterized in that, One end of the lower plate (2) is fixedly installed with a first binocular camera (23), one end of the lower plate (2) close to the first binocular camera (23) is fixedly installed with a fixing frame (4), and a second binocular camera (24) and a controller (25) are fixedly installed on the fixing frame (4).
7. The automatic feeding machine for tombstone engraving according to claim 4, characterized in that, Identifying the binocular shooting data, selecting an engraving surface from the two target surfaces, and performing engraving control specifically includes the following steps: Performing clamping control on the movable clamping mechanism and performing multi-position transfer transmission control on the transfer transmission mechanism; Performing shape recognition and defect recognition on the binocular shooting data, and recording the overall shape data and defect position data of the two target surfaces; According to the overall shape data and the defect position data, performing flatness recognition and area planning on the two target surfaces, determining two rectangular flatness areas, and calculating the corresponding flatness area; Comparing the areas of the two flatness areas, selecting an engraving flatness area from the two rectangular flatness areas, and selecting an engraving surface from the two target surfaces; Obtaining tombstone engraving information; According to the tombstone engraving information and the engraving flatness area, performing engraving planning to generate engraving program data; According to the engraving program data, performing engraving control on the first engraving transmission mechanism (15) or the second engraving transmission mechanism (17).
8. The automatic loading machine for tombstone carving according to claim 7, wherein, The performing clamping control on the movable clamping mechanism and performing multi-position transfer transmission control on the transfer transmission mechanism specifically includes the following steps: At one end away from the controller (25), performing clamping control on the movable clamping mechanism to clamp the tombstone stone material; Performing transmission control on the transfer transmission mechanism to drive the clamped tombstone stone material to transfer to one end close to the controller (25); After generating the engraving program data, performing transmission control on the transfer transmission mechanism to drive the clamped tombstone stone material to transfer to the first engraving transmission mechanism (15) or the second engraving transmission mechanism (17).
Citation Information
Patent Citations
Detection platform for workpiece engraving
CN108312758A
Clamp for wheel machining
CN117103120A
Cutting machining device for valve for steam turbine
CN118527784A
Double-station overturning type stone carving machine
CN217649200U
Label producing, processing and carving device
CN217993963U