Laser etching machine

Abstract

The utility model discloses a laser carving machine which is used for carrying out laser carving on an oil cup of an electronic atomizer smoke cartridge and comprises a machine table, and a first machining station, a second machining station, a feeding module, a rotating disc module, a pressing module, a visual detection module and a laser carving module are arranged on the machine table at intervals. The feeding module is used for clamping a plurality of oil cups to a first machining station, the rotating disc module comprises a rotating disc, a plurality of machining holes are formed in the circumferential edge of the rotating disc, the feeding module can clamp the oil cups into the corresponding machining holes, and at least part of the structure of the pressing module is arranged above a second machining station and used for pressing the oil cups into the machining holes. The rotary disc module can drive the oil cup to rotate so as to switch the oil cup between a first machining station and a second machining station, the visual detection module is used for detecting laser carving characters on the oil cup, and the laser carving module is used for conducting laser carving on the characters on the oil cup. According to the technical scheme, manual operation is replaced by automatic operation, cost is reduced, and efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic atomizers, and particularly relates to a laser engraving machine. Background Art

[0002] During the production process of electronic atomizers, laser engraving operations are usually required on the outer shells of the cartridges of the electronic atomizers. Before the laser engraving operations, key parameters such as the effect, position, pattern, size, etc. after laser engraving often need to be jointly confirmed by quality inspectors and laser engraving workers. And during the laser engraving operations, it is also necessary to manually operate to place the oil cups of the electronic atomizer cartridges into the laser engraving fixtures. After the laser engraving is completed, it is also necessary to manually operate to send the laser-engraved oil cups to the next processing step. Manual operations have high costs and slow speeds, which will reduce efficiency and are not conducive to processing and production operations. Content of the Utility Model

[0003] An embodiment of the utility model provides a laser engraving machine, which can facilitate the realization of automated operations to replace manual operations, reduce costs and increase efficiency.

[0004] An embodiment of the utility model provides a laser engraving machine, which is used for laser engraving the oil cups of electronic atomizer cartridges. The laser engraving machine includes: a machine table, on which a first processing station, a second processing station, a loading module, a turntable module, a pressing module, a vision detection module and a laser engraving module are arranged at intervals. The loading module is used for clamping a plurality of oil cups to the first processing station. The turntable module includes a turntable, and a plurality of processing positions are arranged on the periphery of the turntable. The loading module can clamp the oil cups into the corresponding processing positions. At least part of the structure of the pressing module is arranged above the second processing station, and the pressing module is used for pressing the oil cups in the processing positions. The turntable module can drive the oil cups to rotate to switch the oil cups between the first processing station and the second processing station. The vision detection module is used for detecting the laser-engraved characters on the oil cups, and the laser engraving module is used for laser engraving characters on the oil cups.

[0005] On the machine table of the laser engraving machine of the technical solution of the utility model, a first processing station, a second processing station, a loading module, a turntable module, a pressing module, a vision detection module and a laser engraving module are arranged at intervals. The loading module can clamp the oil cups into the corresponding processing positions on the turntable module, and the pressing module can press the oil cups in the processing positions. The pressing module can fix the oil cups during the laser engraving operations, avoiding the movement of the oil cups resulting in key factors such as the position and effect of the laser engraving not meeting the preset requirements, which is conducive to reducing the laser engraving defect rate. The technical solution of the utility model is provided with a vision detection module in the laser engraving machine. The vision detection module can detect whether the laser-engraved characters on the oil cups meet the preset requirements. The laser engraving module is used for laser engraving characters on the oil cups. The laser engraving machine can facilitate the realization of automated operations to replace manual operations, avoid risks caused by manual operation errors, and is conducive to reducing costs and increasing efficiency.

[0006] According to the foregoing embodiments of the present utility model, a third processing station is further provided on the machine table. The third processing station is located between the first processing station and the second processing station, and the turntable module can drive the oil cup to rotate to the third processing station. The vision detection module is located on one side of the third processing station, and the vision detection module is used to detect the laser-engraved font on the oil cup located in the third processing station. The technical solution of the present utility model is to set a vision detection module in the laser engraving machine. The vision detection module can detect whether the laser-engraved font on the oil cup meets the preset requirements, which is beneficial to reducing the laser engraving defect rate, realizing automated operation to replace manual operation, avoiding risks caused by manual operation errors, and is beneficial to cost reduction and efficiency improvement.

[0007] According to the foregoing embodiments of the present utility model, the pressing module includes: a first frame, a downward pressing driving part, and a downward pressing part. The downward pressing driving part is installed on the first frame, and the downward pressing part is installed on the downward pressing driving part. The downward pressing driving part drives the downward pressing part to move to press the oil cup in the processing cavity. The technical solution of the present utility model is to set a pressing module including a first frame, a downward pressing driving part, and a downward pressing part. The downward pressing part is installed on the first frame, and the downward pressing driving part can drive the downward pressing part to move to press the oil cup in the processing cavity. The pressing module can fix the oil cup during the laser engraving operation, avoiding the movement of the oil cup resulting in key factors such as the position and effect of the laser engraving not meeting the preset requirements, which is beneficial to reducing the laser engraving defect rate, realizing automated operation to replace manual operation, avoiding risks caused by manual operation errors, and is beneficial to cost reduction and efficiency improvement.

[0008] According to the foregoing embodiments of the present utility model, the vision detection module includes: a second frame, a first slide rail, and a vision detection part. The vision detection part is installed on the second frame, and the second frame is slidably connected to the first slide rail and can move along the first slide rail to detect the laser-engraved font on the oil cup one by one. The technical solution of the present utility model is to set a vision detection module including a second frame, a first slide rail, and a vision detection part in the laser engraving machine. The vision detection part is installed on the second frame, and the second frame can move along the first slide rail to detect whether the laser-engraved font on the oil cup meets the preset requirements one by one, which is beneficial to reducing the laser engraving defect rate, realizing automated operation to replace manual operation, avoiding risks caused by manual operation errors, and is beneficial to cost reduction and efficiency improvement.

[0009] According to the foregoing embodiments of the present utility model, the laser engraving machine further includes: a defective product clamping module. The defective product clamping module is located on one side of the third processing station. When the vision detection module detects that the laser-engraved font on the oil cup is defective, the defective product clamping module is used to clamp the defective product in the corresponding processing acupoint. The defective product clamping module includes: a third frame, a second slide rail, a third slide rail, and a defective product clamping part. The second slide rail, the third slide rail, and the defective product clamping part are installed on the third frame. The second slide rail and the third slide rail are arranged perpendicular to each other. The defective product clamping part is slidably connected to the third slide rail and moves along the third slide rail. The third slide rail is slidably connected to the second slide rail and moves along the second slide rail. The technical solution of the present utility model can clamp out the defective product in the corresponding processing acupoint in time by setting a defective product clamping module in the laser engraving machine when the vision detection module detects that the laser-engraved font on the oil cup is defective, which is beneficial to realizing automated operation to replace manual operation, avoiding risks caused by manual operation errors, and is beneficial to cost reduction and efficiency improvement.

[0010] According to the foregoing embodiments of the present utility model, the laser engraving machine further includes: a defective product bin. The defective product bin is located on one side of the third processing station, and the defective product clamping module can clamp the defective product to the defective product bin.

[0011] According to the foregoing embodiments of the present utility model, the laser engraving machine further includes: a replenishment and preparation bin. The replenishment and preparation bin is located on one side of the third processing station. The replenishment and preparation bin is used to store good products, and the defective product clamping module is used to clamp the good products in the replenishment and preparation bin to the turntable module. The technical solution of the present utility model can replenish good products in time by setting a replenishment and preparation bin in the laser engraving machine, which is beneficial to realizing automated operation to replace manual operation, improving production efficiency, and avoiding risks caused by manual operation errors.

[0012] According to the foregoing embodiments of the present utility model, the laser engraving machine further includes: a conveying module. The conveying module is located on one side of the first processing station, and the conveying module is used to convey the oil cup. The loading module includes: a fourth frame, a fourth slide rail, a clamping part, a first loading driving part, and a second loading driving part. The fourth slide rail is arranged on the fourth frame. The first loading driving part is slidably connected to the fourth slide rail. The second loading driving part is fixedly connected to the first loading driving part. The clamping part is installed on the second loading driving part. The clamping part can move along the fourth slide rail to clamp the oil cup from the conveying module to the first processing station, or clamp the good product to the conveying module.

[0013] According to the foregoing embodiments of the present utility model, the loading module includes two clamping parts, which are respectively arranged on opposite sides of the first loading driving part, and each clamping part is connected to a second loading driving part. The conveying module includes two conveying lines. When the loading module clamps the oil cup from the conveying module, the positions of the two conveying lines correspond to the positions of the two clamping parts one by one.

[0014] According to the foregoing embodiments of the present utility model, the laser engraving module is located beside the second processing station, and the laser engraving module is used for laser engraving characters on the oil cup. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of the laser engraving machine in the embodiment of the present utility model;

[0017] Figure 2 It is a schematic diagram of the loading module structure of the laser engraving machine in the embodiment of the present utility model;

[0018] Figure 3 It is a schematic diagram of the turntable module structure of the laser engraving machine in the embodiment of the present utility model;

[0019] Figure 4 It is an enlarged schematic diagram of the pressing module on the machine table in the laser engraving machine in the embodiment of the present utility model;

[0020] Figure 5 It is a schematic diagram of the vision detection module structure of the laser engraving machine in the embodiment of the present utility model;

[0021] Figure 6 It is a schematic diagram of the defective product clamping module structure of the laser engraving machine in the embodiment of the present utility model.

[0022] Explanation of the Attached Drawing Reference Numerals:

[0023] Machine table - 100, Loading module - 200, Turntable module - 300, Pressing module - 400, Vision detection module - 500, Defective product clamping module - 600, Defective product bin - 700, Supplementary material and stockpiling bin - 800, Conveyor module - 900, Laser engraving module - 1000;

[0024] The first processing station - 110, the second processing station - 120, the third processing station - 130, the fourth frame - 210, the fourth slide rail - 220, the clamping part - 230, the first loading driving part - 240, the second loading driving part - 250, the turntable - 310, the rotation driving part - 320, the first frame - 410, the downward pressing driving part - 420, the downward pressing part - 430, the second frame - 510, the first slide rail - 520, the vision inspection part - 530, the third frame - 610, the second slide rail - 620, the third slide rail - 630, the defective product clamping part - 640;

[0025] Processing acupoint - 311.

[0026] The realization, functional features and advantages of the purpose of the present utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0029] In addition, the descriptions involving "first", "second", etc. in the present utility model are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions appears to be mutually contradictory or unable to be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0030] The embodiments of the present utility model provide a laser engraving machine, which is beneficial to realizing automated operation to replace manual operation and reducing costs and increasing efficiency.

[0031] Such as Figure 1As shown in the figure, an embodiment of the present utility model provides a laser engraving machine, which is used for laser engraving the oil cup of an electronic atomizer cartridge. The laser engraving machine includes: a machine table 100, on which a first processing station 110, a second processing station 120, a loading module 200, a turntable module 300, a pressing module 400, a vision inspection module 500, and a laser engraving module 1000 are arranged at intervals. The loading module 200 is used for clamping a plurality of oil cups to the first processing station 110. As Figure 3 shown, the turntable module 300 includes a turntable 310, and a plurality of processing positions 311 are arranged on the circumference of the turntable. The loading module 200 can clamp the oil cup into the corresponding processing position 311. At least part of the structure of the pressing module 400 is arranged above the second processing station 120. The pressing module 400 is used for pressing the oil cup into the processing position 311. The turntable module 300 can drive the oil cup to rotate to switch the oil cup between the first processing station 110 and the second processing station 120. The vision inspection module 500 is used for detecting the laser-engraved characters on the oil cup, and the laser engraving module 1000 is used for laser engraving characters on the oil cup.

[0032] On the machine table 100 of the laser engraving machine of the technical solution of the present utility model, a first processing station 110, a second processing station 120, a loading module 200, a turntable module 300, a pressing module 400, a vision inspection module 500, and a laser engraving module 1000 are arranged at intervals. The loading module 200 can clamp the oil cup into the corresponding processing position 311 on the turntable module 300. The pressing module 400 can press the oil cup into the processing position 311. The pressing module 400 can fix the oil cup during the laser engraving operation, avoiding the movement of the oil cup, which may cause key factors such as the position and effect of the laser engraving not to meet the preset requirements, and is beneficial to reducing the laser engraving defect rate. By setting a vision inspection module 500 in the laser engraving machine, the vision inspection module 500 can detect whether the laser-engraved characters on the oil cup meet the preset requirements. The laser engraving module 1000 is used for laser engraving characters on the oil cup. The laser engraving machine is beneficial to realizing automated operation to replace manual operation, avoiding the risks caused by manual operation errors, and is beneficial to cost reduction and efficiency improvement.

[0033] As Figure 1 shown, the laser engraving machine further includes: a defective product clamping module 600, a defective product bin 700, a replenishment and stockpiling bin 800, and a conveying module 900.

[0034] As Figure 1 shown, the conveying module 900 is located on one side of the first processing station 110, and the conveying module 900 is used for conveying the oil cup. As Figure 2As shown in the figure, the loading module 200 includes: a fourth frame 210, a fourth slide rail 220, a clamping part 230, a first loading driving part 240 and a second loading driving part 250. The fourth slide rail 220 is arranged on the fourth frame 210. The first loading driving part 240 is slidably connected to the fourth slide rail 220. The second loading driving part 250 is fixedly connected to the first loading driving part 240. The clamping part 230 is installed on the second loading driving part 250. The clamping part 230 can move along the fourth slide rail 220 to clamp the oil cup from the conveying module 900 to the first processing station 110, or clamp the qualified products to the conveying module 900. In one embodiment, the first loading driving part 240 and the second loading driving part 250 are driving cylinders.

[0035] As Figure 1 shown in the figure, the loading module 200 includes two clamping parts 230. The two clamping parts 230 are respectively arranged on opposite sides of the first loading driving part 240. Each clamping part 230 is connected to a second loading driving part 250. The conveying module 900 includes two conveying lines. When the loading module 200 clamps the oil cup from the conveying module 900, the positions of the two conveying lines correspond to the positions of the two clamping parts 230 one by one.

[0036] In one embodiment of the present application, one clamping part 230 of the loading module 200 includes 12 clamping claws and can clamp 12 oil cups at a time. 12 processing points 311 are correspondingly arranged on the turntable module 300. In other embodiments, the clamping part 230 of the loading module 200 can also be provided with different numbers of clamping claws according to actual situations to clamp different numbers of oil cups. The number of processing points 311 on the turntable module 300 is the same as the number of oil cups that the loading module 200 can clamp.

[0037] As Figure 3 shown in the figure, the turntable module 300 further includes a rotation driving part 320. The processing points 311 and the rotation driving part 320 are respectively arranged on opposite sides of the turntable 310. The rotation driving part 320 can drive the turntable 310 to rotate.

[0038] As Figure 4As shown in the figure, the pressing module 400 includes: a first frame 410, a downward pressing driving part 420, and a downward pressing part 430. The downward pressing driving part 420 is installed on the first frame 410, and the downward pressing driving part 420 drives the downward pressing part 430 to move to press the oil cup into the processing acupoint 311. Through the technical solution of the present utility model, by setting the pressing module 400 including the first frame 410, the downward pressing driving part 420, and the downward pressing part 430, the downward pressing driving part 420 is installed on the first frame 410, and the downward pressing driving part 420 can drive the downward pressing part 430 to move to press the oil cup into the processing acupoint 311. The pressing module 400 can fix the oil cup during the laser engraving operation, avoiding the movement of the oil cup resulting in key factors such as the position and effect of the laser engraving not meeting the preset requirements, which is beneficial to reducing the laser engraving defect rate, beneficial to realizing automated operation to replace manual operation, avoiding risks caused by manual operation errors, and beneficial to cost reduction and efficiency improvement. In one embodiment, the downward pressing driving part 420 is a driving cylinder.

[0039] As Figure 1 shown in the figure, the machine table 100 further includes a third processing station 130. The third processing station 130 is located between the first processing station 110 and the second processing station 120, and the turntable module 300 can drive the oil cup to rotate to the third processing station 130. The vision inspection module 500 is located on one side of the third processing station 130, and the vision inspection module 500 is used to inspect the laser engraved characters on the oil cup. Through the technical solution of the present utility model, by setting the vision inspection module 500 in the laser engraving machine, the vision inspection module 500 can inspect whether the laser engraved characters on the oil cup meet the preset requirements, which is beneficial to reducing the laser engraving defect rate, beneficial to realizing automated operation to replace manual operation, avoiding risks caused by manual operation errors, and beneficial to cost reduction and efficiency improvement.

[0040] As Figure 5 shown in the figure, the vision inspection module 500 includes: a second frame 510, a first slide rail 520, and a vision inspection part 530. The vision inspection part 530 is installed on the second frame 510. The second frame 510 is slidably connected to the first slide rail 520 and moves along the first slide rail 520 to inspect the laser engraved characters on the oil cup one by one. Through the technical solution of the present utility model, by setting the vision inspection module 500 including the second frame 510, the first slide rail 520, and the vision inspection part 530 in the laser engraving machine, the vision inspection part 530 is installed on the second frame 510, and the second frame 510 can move along the first slide rail 520 to inspect whether the laser engraved characters on the oil cup meet the preset requirements one by one. For example, the vision inspection module 500 can inspect whether the laser engraved characters on the oil cup are offset printed, under printed, misaligned, deformed, laser reversed, etc., which is beneficial to reducing the laser engraving defect rate, beneficial to realizing automated operation to replace manual operation, avoiding risks caused by manual operation errors, and beneficial to cost reduction and efficiency improvement.

[0041] As Figure 1As shown in the figure, the defective product clamping module 600 is located on one side of the third processing station 130. When the vision detection module 500 detects that the laser-engraved font on the oil cup is defective, the defective product clamping module 600 is used to clamp the defective product in the corresponding processing acupoint 311. As Figure 6 As shown in the figure, the defective product clamping module 600 includes a third frame 610, a second slide rail 620, a third slide rail 630, and a defective product clamping part 640. The second slide rail 620, the third slide rail 630, and the defective product clamping part 640 are installed on the third frame 610. The second slide rail 620 and the third slide rail 630 are arranged perpendicular to each other. The defective product clamping part 640 is slidably connected to the third slide rail 630 and moves along the third slide rail 630. The third slide rail 630 can move along the second slide rail 620, so that the defective product clamping part 640 can move in two directions, the vertical axis and the horizontal axis, to clamp the defective product in the corresponding processing acupoint 311. By setting the defective product clamping module 600 in the laser engraving machine in the technical solution of the present utility model, when the vision detection module 500 detects that the laser-engraved font on the oil cup is defective, the defective product clamping module 600 can timely clamp out the defective product in the corresponding processing acupoint 311, which is beneficial to realizing automated operation to replace manual operation, avoiding risks caused by manual operation errors, and is beneficial to cost reduction and efficiency improvement.

[0042] As Figure 1 shown in the figure, the defective product bin 700 is located on one side of the third processing station 130. The defective product clamping module 600 can clamp the defective product to the defective product bin 700.

[0043] As Figure 1 shown in the figure, the replenishment and stockpiling bin 800 is located on one side of the third processing station 130. The replenishment and stockpiling bin 800 is used to store good products. The defective product clamping module 600 is used to clamp the good products in the replenishment and stockpiling bin 800 to the turntable module 300. By setting the replenishment and stockpiling bin 800 in the laser engraving machine in the technical solution of the present utility model, good products can be replenished in time, which is beneficial to realizing automated operation to replace manual operation, improving production efficiency, and avoiding risks caused by manual operation errors.

[0044] As Figure 1 shown in the figure, the laser engraving module 1000 is located beside the second processing station 120. The laser engraving module 1000 is used to laser-engrave the font on the oil cup.

[0045] It can be understood that the processing modules in this application, including but not limited to the above-mentioned loading module 200, turntable module 300, pressing module 400, vision detection module 500, defective product clamping module 600, defective product bin 700, replenishment and stockpiling bin 800, conveying module 900, laser engraving module 1000, etc., all adopt modular design, and can be used independently or spliced into a production line. The installation form of the above processing modules is not limited in this application.

[0046] Next, the specific working process of the laser engraving machine will be described.

[0047] The loading module 200 clamps the oil cup in the conveying module 900 and places it on the turntable module 300. After the turntable module 300 drives the oil cup to rotate to the second processing station 120, the pressing module 400 presses and fixes the oil cup. Then, the laser engraving module 1000 starts to engrave the oil cup. After engraving, the turntable module 300 drives the oil cup to rotate to the third processing station 130. The vision inspection module 500 inspects the engraved oil cup. The defective products detected are picked out by the defective product clamping module 600 and placed in the defective product bin 700. Then, the defective product clamping module 600 clamps the good products that have been engraved in the replenishment and stock preparation bin 800 and places them on the turntable module 300. The turntable module 300 drives the oil cup to rotate to the first processing station 110, and then the loading module 200 clamps the oil cup and puts it back into the conveying module 900.

[0048] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention. Any equivalent structural transformation made under the inventive concept of the present invention by using the content of the specification and drawings of the present invention, or direct / indirect application in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A laser engraving machine, characterized in that, The laser engraving machine is used to laser engrave the oil cup of the e-cigarette cartridge. The laser engraving machine includes: A machine table, on which a first processing station, a second processing station, a loading module, a turntable module, a pressing module, a vision inspection module and a laser engraving module are arranged at intervals; The loading module is used to hold multiple oil cups to the first processing station; The turntable module includes a turntable, and a plurality of processing positions are arranged on the periphery of the turntable. The loading module can hold the oil cup into the corresponding processing position; At least part of the structure of the pressing module is arranged above the second processing station. The pressing module is used to press the oil cup into the processing position. The turntable module can drive the oil cup to rotate to switch the oil cup between the first processing station and the second processing station; The vision inspection module is used to detect the laser engraved characters on the oil cup; The laser engraving module is used to laser engrave characters on the oil cup.

2. The laser engraving machine according to claim 1, wherein A third processing station is also arranged on the machine table. The third processing station is located between the first processing station and the second processing station. The turntable module can drive the oil cup to rotate to the third processing station. The vision inspection module is located on one side of the third processing station. The vision inspection module is used to detect the laser engraved characters on the oil cup located in the third processing station.

3. The laser engraving machine according to claim 1, characterized in that, The pressing module includes: A first frame, a downward pressing driving part and a downward pressing part. The downward pressing driving part is installed on the first frame, and the downward pressing part is installed on the downward pressing driving part. The downward pressing driving part drives the downward pressing part to move to press the oil cup into the processing position.

4. The laser engraving machine according to claim 2, wherein The vision inspection module includes: A second frame, a first slide rail and a vision inspection part. The vision inspection part is installed on the second frame. The second frame is slidably connected to the first slide rail and moves along the first slide rail to detect the laser engraved characters on the oil cup one by one.

5. The laser engraving machine according to claim 2, characterized in that, The laser engraving machine further includes: A defective product clamping module, which is located on one side of the third processing station. In the state that the vision inspection module detects that the laser engraved characters on the oil cup are defective products, the defective product clamping module is used to clamp the defective products in the corresponding processing positions; The defective product clamping module includes: a third frame, a second slide rail, a third slide rail and a defective product clamping part. The second slide rail, the third slide rail and the defective product clamping part are installed on the third frame. The second slide rail and the third slide rail are arranged perpendicular to each other. The defective product clamping part is slidably connected to the third slide rail and moves along the third slide rail. The third slide rail is slidably connected to the second slide rail and moves along the second slide rail.

6. The laser engraving machine according to claim 5, characterized in that, The laser engraving machine further includes: A defective product bin, which is located on one side of the third processing station. The defective product clamping module can clamp the defective products to the defective product bin.

7. The laser engraving machine according to claim 5, characterized in that, The laser engraving machine further includes: A replenishment and preparation bin, which is located on one side of the third processing station. The replenishment and preparation bin is used to store qualified products. The defective product clamping module is used to clamp the qualified products in the replenishment and preparation bin to the turntable module.

8. The laser engraving machine according to claim 7, wherein, The laser engraving machine further includes: The conveying module is located on one side of the first processing station, and the conveying module is used for conveying oil cups; The loading module includes: A fourth frame, a fourth slide rail, a clamping part, a first loading driving part and a second loading driving part. The fourth slide rail is arranged on the fourth frame. The first loading driving part is slidably connected to the fourth slide rail. The second loading driving part is fixedly connected to the first loading driving part. The clamping part is installed on the second loading driving part. The clamping part moves along the fourth slide rail to clamp the oil cup from the conveying module to the first processing station, or clamp the qualified product to the conveying module.

9. The laser engraving machine according to claim 8, wherein The loading module includes two clamping parts, and the two clamping parts are respectively arranged on opposite sides of the first loading driving part, and each clamping part is connected to one second loading driving part; The conveying module includes two conveying lines. When the loading module clamps the oil cup from the conveying module, the positions of the two conveying lines are arranged in one-to-one correspondence with the positions of the two clamping parts.

10. The laser engraving machine according to any one of claims 1 to 9, characterized in that, The laser engraving module is located beside the second processing station, and the laser engraving module is used for laser engraving characters on the oil cup.

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