A laser engraving machine for die cavity texture engraving processing

Abstract

The application relates to the technical field of laser engraving and discloses a laser engraving machine for mold cavity texture engraving processing, which comprises a machine box, wherein an X-axis moving module, a Y-axis moving module, a laser module and a fixing plate are arranged in the machine box, characterized in that the fixing plate is installed on the base of the Y-axis moving module, one side of the fixing plate is provided with a back plate, one side of the back plate is rotationally connected with a frame through a transmission mechanism, one end of the frame is provided with a mounting opening, a sleeve is rotationally connected in the mounting opening through an adjusting assembly, a fixing mechanism is installed in the sleeve, the fixing mechanism is used for installing the laser module and can cool the laser module, and one side of the machine box is provided with an opening. The laser engraving machine for mold cavity texture engraving processing can adjust the overall swing of the laser module to an inclined posture to the mold cavity, improves the texture engraving processing efficiency, and can efficiently control the temperature of the laser module, so that the laser module is in a reasonable working environment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser engraving, in particular to a laser engraving machine for mold cavity texture engraving processing. BACKGROUND

[0002] Mold etching is a common process for mold surface treatment, which directly affects the appearance and surface strength of the product. It is widely used because of its low process cost, rich effect and fast speed. Laser engraving machine is an advanced equipment that uses laser to engrave the material to be engraved, which can improve the efficiency of engraving, make the surface of the engraved part smooth and round, quickly reduce the temperature of the non-metallic material being engraved, and reduce the deformation and internal stress of the engraved object.

[0003] After a large amount of retrieval, it is found that the prior art with publication number CN116372362A discloses a combined mechanical arm automatic spraying and laser engraving equipment for mold etching, which comprises a combined mechanical arm for laser engraving movement, a laser engraving instrument movably connected to one end of the combined mechanical arm, a ring-shaped frame fixedly installed on the outer wall of the laser engraving instrument, a drive assembly for moving the spraying equipment is arranged in the ring-shaped frame, a ring-shaped plate is arranged at one end of the drive assembly, a water collecting chamber is fixedly installed on the lower end surface of the ring-shaped plate, a water outlet chamber is fixedly installed at one end of the water collecting chamber, an adjusting assembly for changing the spraying range of the cooling liquid is arranged in the water outlet chamber, a protection nozzle is arranged in the water outlet chamber, and a nozzle is arranged in the water outlet chamber. Through the cooperation of the auxiliary assembly and the adjusting assembly, the two kinds of cooling liquids entering the water outlet chamber are changed into two different spraying forms, which is convenient for operation, and the drive assembly is also used to adapt to the processing of different positions.

[0004] The laser engraving machine mainly includes a motion system, a control system and a laser module. The motion system of the laser engraving machine realizes precise positioning and movement of the laser module on the plane through the relative movement of the X-axis and the Y-axis, and completes the fine processing of the workpiece surface. When the laser head of the laser engraving machine approaches the upper limit switch, the switch will be triggered, thereby stopping the movement of the laser engraving machine, so as to avoid the laser head from colliding with the boundary of the machine or exceeding the working range, thereby protecting the safety of the equipment and the workpiece. In addition, the engraving machine also has the functions of ventilation and waste gas treatment. Because laser is a high-temperature processing, smoke and waste gas may be generated during processing. Therefore, sufficient ventilation is ensured in the working area to remove harmful gases and smoke generated by laser engraving. If necessary, a waste gas treatment device is appropriately installed to prevent pollutants from affecting the health of the operator. In addition, the laser module can be cooled during exhaust to reduce the heat generated during the operation of the laser module, thereby ensuring its long-time engraving work.

[0005] At present, the laser module of the engraving machine is usually cooled by the airflow discharging smoke in the case, but the cooling efficiency is low, which cannot meet the temperature control requirements of the high-power laser module. In addition, since the laser module is directly installed on the motion system and relies on the inclined laser beam emitted by the laser module itself for engraving, it is difficult to efficiently perform texture engraving in the uneven mold cavity.

[0006] In view of the above defects, the present design person actively researches and innovates to create a mold cavity texture engraving processing laser engraving machine, which has more industrial utilization value. SUMMARY

[0007] (I) Technical problems solved

[0008] In view of the deficiencies of the prior art, the present application provides a mold cavity texture engraving processing laser engraving machine, which solves the problem of low cooling efficiency of the traditional cooling method, which cannot meet the temperature control requirements of the high-power laser module. In addition, since the laser module is directly installed on the motion system and relies on the inclined laser beam emitted by the laser module itself for engraving, it is difficult to efficiently perform texture engraving in the uneven mold cavity.

[0009] (II) Technical solutions

[0010] To achieve the above purpose, the present application provides the following technical solutions:

[0011] A mold cavity texture engraving processing laser engraving machine, comprising a case, wherein the case is provided with an X-axis moving module, a Y-axis moving module, a laser module and a fixed plate, the fixed plate is installed on the base of the Y-axis moving module, one side of the fixed plate is provided with a back plate, one side of the back plate is rotatably connected with a frame through a transmission mechanism, one end of the frame is provided with a mounting opening, a sleeve is rotatably connected in the mounting opening through an adjusting assembly, a fixing mechanism is installed in the sleeve, the fixing mechanism is used for installing the laser module and can cool the laser module;

[0012] One side of the case is provided with an opening, and a cover plate is hingedly connected to the opening through a hinge, and a filter is installed on the cover plate;

[0013] The fixing mechanism comprises a sleeve, two annular tubes are connected in the sleeve, a plurality of spiral tubes are connected between the two annular tubes, and the spiral tubes communicate with the two annular tubes, the laser module is installed in the two annular tubes, and the plurality of spiral tubes are wound on the side wall of the laser module, wherein an exhaust channel is formed between adjacent two spiral tubes;

[0014] One of the pipe walls of the annular pipe is connected with a liquid inlet pipe, and the other pipe wall of the annular pipe is connected with a liquid return pipe, one end of the liquid return pipe penetrates through the side wall of the sleeve, two fixing rings are connected to the pipe wall of the sleeve, and the two fixing rings are located at the upper and lower ends of the sleeve, respectively.

[0015] As a further improvement of the application, two annular grooves are arranged on the pipe wall of the sleeve, a plurality of uniformly distributed through holes are arranged at the groove bottom of the two annular grooves, a first annular cover is connected to the groove opening of one of the annular grooves, a second annular cover is connected to the groove opening of the other annular groove, a wind inlet pipe is connected to the side wall of the first annular cover, and two air outlet pipes are symmetrically connected to the side wall of the second annular cover.

[0016] As a further improvement of the application, a wind collecting cover is connected to the outer edge of the lower end of the sleeve, a plurality of uniformly distributed negative pressure holes are arranged at the corners of the wind collecting cover, an air outlet is arranged at one end of the wind collecting cover, two cross pipes are connected to the air outlet, the air outlet extends into the wind collecting cover and is connected with a spray head, and the spray head is coaxially arranged in the cross pipe.

[0017] As a further improvement of the application, the adjusting assembly comprises a support, the support is mounted on one side of the frame, a first motor is connected to one side of the frame, a worm is connected to the output end of the first motor, a worm gear is engaged on one side of the worm, two rotating shafts are symmetrically connected to the side wall of the sleeve, the two rotating shafts are rotatably connected to the side wall of the frame through ball bearings, and one end of one of the rotating shafts penetrates through the ball bearing and is coaxially connected to one side of the worm gear.

[0018] As a further improvement of the application, the transmission mechanism comprises a mounting bracket, the mounting bracket is mounted on one side of the back plate, a second motor is connected to the upper end of the mounting bracket, a main shaft is rotatably connected to the side wall of the mounting bracket through a rolling bearing, the lower end of the main shaft is connected to the upper end of the frame, a synchronous belt is sleeved on the shaft wall of the main shaft, two synchronous wheels are sleeved in the synchronous belt, one of the synchronous wheels is mounted on the shaft wall of the main shaft, and the other synchronous wheel is coaxially mounted on the output end of the second motor.

[0019] As a further improvement of the application, a recess is arranged on the pipe wall of the sleeve, the recess forms an annular protrusion in the sleeve, the annular protrusion forms a flow limiting portion in the air outlet channel, a lower recess is arranged on the pipe wall of the spiral pipe, and the lower recess forms a turbulence portion on the inner side of the spiral pipe.

[0020] As a further improvement of the present application, the side wall of the fixing plate is provided with a rectangular opening, an electric push rod is connected in the rectangular opening, the output end of the electric push rod penetrates through one side of the rectangular opening and is connected with a connecting block, the connecting block is connected with the lower end of the back plate, the opposite side edges of the back plate are connected with slide rails, and the opposite sides of the fixing plate are both provided with slide grooves matched with the slide rails.

[0021] As a further improvement of the present application, the cabinet is connected with a partition plate, the upper end of the partition plate is connected with a loading table, the four corners of the partition plate are all connected with air deflectors, the side wall of the air deflector is provided with an air inlet, the upper end of the air deflector is provided with a sealing part, one side of the cabinet is connected with a negative pressure pipe, and one side of the cabinet is connected with an air extractor.

[0022] (Three) beneficial effects

[0023] Compared with the prior art, the present application provides a laser engraving machine for mold cavity texture engraving, which has the following beneficial effects:

[0024] 1、The X-axis moving module and Y-axis moving module installed in the cabinet can produce displacement in the horizontal and vertical directions to adjust the position of the laser module for texture engraving in the mold cavity.

[0025] 2、The fixing mechanism is provided with an inlet pipe for inputting cooling liquid, which enters the upper annular pipe and the lower annular pipe through multiple spiral pipes, and returns to the cooling liquid tank through the return pipe, thereby forming a circulating cooling flow path.

[0026] 3、In addition, compressed gas is sent into the first annular cover through the air inlet pipe, and the compressed gas enters the exhaust channel through the through hole.

[0027] 4. Compressed gas enters the second annular hood through the through hole, and finally is ejected through the nozzle on the exhaust pipe, forming a high-speed airflow in the horizontal pipe. When the airflow is discharged, a pressure difference is formed at both ends of the horizontal pipe. Thus, the end of the horizontal pipe that generates negative pressure suction can extract the smoke floating near the laser module through the negative pressure hole on the air collecting hood, and the adsorbed smoke is discharged through the exhaust port, preventing the smoke from floating near the laser module and affecting the illumination of the light.

[0028] 5. When the transmission mechanism provided in this invention is in use, the second motor synchronous pulley is started to rotate, which drives the synchronous belt to rotate another synchronous pulley. At this time, the synchronous pulley drives the main shaft to rotate the frame. When the frame rotates, it drives the fixing mechanism to make the laser module move in a circle around the main shaft.

[0029] 6. When the adjustment component drives the laser module to tilt, the transmission mechanism can drive the laser module to make circular motion in the tilted posture. This can effectively adapt to the concave and convex surfaces in the mold cavity and improve the working efficiency of the laser engraving machine.

[0030] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention and to implement it in accordance with the contents of the specification, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0031] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the structure of a laser engraving machine for engraving textures in mold cavities, as proposed in this invention.

[0033] Figure 2 A cross-sectional view of the chassis of a laser engraving machine for engraving textures in mold cavities, as proposed in this invention. Figure One ;

[0034] Figure 3 A cross-sectional view of the chassis of a laser engraving machine for engraving textures in mold cavities, as proposed in this invention. Figure Two ;

[0035] Figure 4 This is a schematic diagram of the fixing mechanism, adjusting components, and transmission mechanism in a laser engraving machine for engraving textures in mold cavities according to the present invention.

[0036] Figure 5A structure schematic view of a transmission mechanism, an adjusting assembly, a sleeve and a frame body in a laser engraving machine for mold cavity texture engraving processing is provided in the present application;

[0037] Figure 6 A structure schematic view of a sleeve, a first ring cover, a second ring cover, a fixing ring and a laser module in a laser engraving machine for mold cavity texture engraving processing is provided in the present application;

[0038] Figure 7 A structure schematic view of a sleeve, a spiral pipe and a ring pipe in a laser engraving machine for mold cavity texture engraving processing is provided in the present application;

[0039] Figure 8 A structure schematic view of a liquid inlet pipe, a liquid return pipe, a spiral pipe and a ring pipe in a laser engraving machine for mold cavity texture engraving processing is provided in the present application;

[0040] Figure 9 A structure schematic view of a back plate and a fixing plate in a laser engraving machine for mold cavity texture engraving processing is provided in the present application;

[0041] Figure 10 A structure schematic view of a sleeve, a first ring cover, a second ring cover and an air inlet pipe in a laser engraving machine for mold cavity texture engraving processing is provided in the present application;

[0042] Figure 11 A structure schematic view of an air outlet pipe, a wind collecting cover and a horizontal pipe in a laser engraving machine for mold cavity texture engraving processing is provided in the present application;

[0043] Figure 12 A structure schematic view of a transmission mechanism driving a sleeve to be inclined in a laser engraving machine for mold cavity texture engraving processing is provided in the present application Figure One ;

[0044] Figure 13 A structure schematic view of a transmission mechanism driving a sleeve to be inclined in a laser engraving machine for mold cavity texture engraving processing is provided in the present application Figure Two ;

[0045] Figure 14 A structure schematic view of a transmission mechanism driving a sleeve to be inclined in a laser engraving machine for mold cavity texture engraving processing is provided in the present application Figure Three .

[0046] In the drawings, the meanings of various reference signs are as follows.

[0047] 1, case; 2, cover plate; 3, exhaust fan; 4, negative pressure pipe; 5, air deflector; 6, loading platform; 7, partition; 8, Y-axis moving module; 9, X-axis moving module; 10, back plate; 11, frame; 12, wind collecting cover; 13, sleeve; 14, sleeve; 15, laser module; 16, fixed plate; 17, second motor; 18, synchronous belt; 19, main shaft; 20, first motor; 21, worm gear; 22, worm; 23, synchronous wheel; 24, liquid inlet pipe; 25, liquid return pipe; 26, air inlet pipe; 27, first annular cover; 28, fixed ring; 29, recess; 30, second annular cover; 31, exhaust passage; 32, annular pipe; 33, lower recess; 34, spiral pipe; 35, chute; 36, electric push rod; 37, slide rail; 38, annular groove; 39, through hole; 40, exhaust pipe; 41, nozzle; 42, cross pipe. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0049] 1. A laser engraving machine for mold cavity texture engraving, comprising a case 1, the case 1 is provided with an X-axis moving module 9, a Y-axis moving module 8, a laser module 15 and a fixed plate 16, characterized in that the fixed plate 16 is installed on the base of the Y-axis moving module 8, one side of the fixed plate 16 is provided with a back plate 10, one side of the back plate 10 is rotatably connected with a frame 11 through a transmission mechanism, one end of the frame 11 is provided with a mounting port, the mounting port is rotatably connected with a sleeve 14 through an adjusting assembly, the sleeve 14 is installed with a fixing mechanism, the fixing mechanism is used for installing the laser module 15 and can cool the laser module 15.

[0050] One side of the case 1 is provided with an opening, and the opening is hingedly connected with a cover plate 2 through a hinge, and the cover plate 2 is installed with a filter.

[0051] The case 1 is connected with a partition 7, the upper end of the partition 7 is connected with a loading platform 6, the four corners of the partition 7 are all connected with air deflectors 5, the side wall of the air deflector 5 is provided with an air inlet, the upper end of the air deflector 5 is provided with a sealing part, one side of the case 1 is connected with a negative pressure pipe 4, and one side of the case 1 is connected with an exhaust fan 3.

[0052] The side wall of the fixed plate 16 is provided with a rectangular opening, and an electric push rod 36 is connected in the rectangular opening. The output end of the electric push rod 36 penetrates through one side of the rectangular opening and is connected with a connecting block. The connecting block is connected with the lower end of the back plate 10. The opposite side edges of the back plate 10 are connected with slide rails 37. The opposite sides of the fixed plate 16 are both provided with slide grooves 35 which are matched with the slide rails 37.

[0053] 2. The fixing mechanism comprises a sleeve 13, two annular pipes 32 are connected in the sleeve 13, a plurality of spiral pipes 34 are jointly connected between the two annular pipes 32, the spiral pipes 34 communicate the two annular pipes 32, the laser module 15 is installed in the two annular pipes 32, and the plurality of spiral pipes 34 are all wound on the side wall of the laser module 15. Wherein, an exhaust channel 31 is formed between adjacent two spiral pipes 34.

[0054] The pipe wall of one of the annular pipes 32 is connected with a liquid inlet pipe 24, and the pipe wall of the other annular pipe 32 is connected with a liquid return pipe 25. One end of the liquid return pipe 25 penetrates through the side wall of the sleeve 13. The pipe wall of the sleeve 13 is connected with two fixing rings 28 which are located at the upper and lower ends of the sleeve 14 respectively.

[0055] Two annular grooves 38 are arranged on the pipe wall of the sleeve 13. A plurality of uniformly distributed through holes 39 are formed in the groove bottoms of the two annular grooves 38. The slot opening of one of the annular grooves 38 is connected with a first annular cover 27. The slot opening of the other annular groove 38 is connected with a second annular cover 30. The side wall of the first annular cover 27 is connected with a wind inlet pipe 26. The side wall of the second annular cover 30 is fixedly and symmetrically connected with two exhaust pipes 40.

[0056] The outer edge of the lower end opening of the sleeve 13 is connected with a wind collecting cover 12. A plurality of uniformly distributed negative pressure holes are formed in the corners of the wind collecting cover 12. One end of the wind collecting cover 12 is provided with an exhaust port. Two cross pipes 42 are connected in the exhaust port. The exhaust pipe 40 extends into the wind collecting cover 12 and is connected with a spray head 41. The spray head 41 is coaxially arranged in the cross pipe 42.

[0057] The pipe wall of the sleeve 13 is provided with a recessed part 29. The recessed part 29 forms an annular protrusion in the sleeve 13. The annular protrusion forms a flow limiting part in the exhaust channel 31. The pipe wall of the spiral pipe 34 is provided with a lower recessed part 33. The lower recessed part 33 forms a turbulence part on the inner side of the spiral pipe 34.

[0058] 3. The adjusting assembly comprises a support. The support is installed on one side of the frame 11. One side of the frame 11 is connected with a first motor 20. The output end of the first motor 20 is connected with a worm 22. One side of the worm 22 is engaged with a worm gear 21. The side wall of the sleeve 14 is symmetrically connected with two rotating shafts. The two rotating shafts are both rotatably connected with the side wall of the frame 11 through ball bearings. One end of one of the rotating shafts penetrates through the ball bearing and is coaxially connected with one side of the worm gear 21.

[0059] 4. The transmission mechanism comprises a mounting frame installed on one side of the back plate 10, the upper end of the mounting frame is connected with the second motor 17, the side wall of the mounting frame is rotatably connected with the main shaft 19 through a rolling bearing, the lower end of the main shaft 19 is connected with the upper end of the frame 11, the shaft wall of the main shaft 19 is sleeved with the synchronous belt 18, the synchronous belt 18 is sleeved with two synchronous wheels 23, one of the synchronous wheels 23 is installed on the shaft wall of the main shaft 19, and the other synchronous wheel 23 is coaxially installed on the output end of the second motor 17.

[0060] First embodiment

[0061] Referring to the drawings Figures 1-14 ,

[0062] A laser engraving machine for mold cavity texture engraving processing, comprising a case 1, the case 1 is provided with an X-axis moving module 9, a Y-axis moving module 8, a laser module 15 and a fixed plate 16, the fixed plate 16 is installed on the base of the Y-axis moving module 8, one side of the fixed plate 16 is provided with a back plate 10, a rectangular opening is formed in the side wall of the fixed plate 16, a motorized push rod 36 is connected in the rectangular opening, the output end of the motorized push rod 36 penetrates through one side of the rectangular opening and is connected with a connecting block, the connecting block is connected with the lower end of the back plate 10, the opposite side edges of the back plate 10 are connected with slide rails 37, the opposite sides of the fixed plate 16 are both provided with sliding grooves 35, the sliding grooves 35 are matched with the slide rails 37, the back plate 10 is rotatably connected with a frame 11 through a transmission mechanism on one side, one end of the frame 11 is provided with a mounting opening, a sleeve 14 is rotatably connected in the mounting opening through an adjusting assembly.

[0063] The adjusting assembly comprises a support, the support is installed on one side of the frame 11, one side of the frame 11 is connected with a first motor 20, the output end of the first motor 20 is connected with a worm 22, the worm 22 is engaged with a worm gear 21 on one side, the side wall of the sleeve 14 is symmetrically connected with two rotating shafts, the two rotating shafts are both rotatably connected with the side wall of the frame 11 through ball bearings, one end of one of the rotating shafts penetrates through the ball bearing and is coaxially connected with one side of the worm gear 21, a fixing mechanism is installed in the sleeve 14, the fixing mechanism is used for installing the laser module 15 and can cool the laser module 15.

[0064] One side of the case 1 is provided with an opening, and a cover plate 2 is hinged at the opening through a hinge, a filter is installed on the cover plate 2, a partition plate 7 is connected in the case 1, the upper end of the partition plate 7 is connected with a loading platform 6, air deflectors 5 are connected at the four corners of the partition plate 7, air inlets are formed in the side wall of the air deflectors 5, the upper end of the air deflectors 5 is provided with a sealing part, a negative pressure pipe 4 is connected on one side of the case 1, and an exhaust fan 3 is connected on one side of the case 1.

[0065] When the laser engraving machine is used, the X-axis moving module 9 and the Y-axis moving module 8 installed in the cabinet 1 can produce displacement in the transverse and longitudinal directions to make the laser module 15 adjust the position and engrave the texture in the mold cavity.

[0066] In addition, the laser module 15 is installed in the sleeve 14, when it is necessary to change the inclination angle, the first motor 20 is started to drive the worm 22 to rotate the worm wheel 21, the rotation of the worm wheel 21 drives the rotating shaft to swing the sleeve 14, when the sleeve 14 swings, the laser module 15 installed in the sleeve 13 through the fixing mechanism can be swung, so that the laser module 15 can swing in a small range, and the laser beam generated by the laser module 15 can be inclined to irradiate in the mold cavity to engrave the texture.

[0067] In addition, the back plate 10 can be moved by starting the electric push rod 36 to drive the connecting block, the back plate 10 can slide on the mounting plate 16 through the cooperation of the slide rail 37 and the slide groove 35, and the back plate 10 can drive the fixing mechanism to move the laser module 15 in the vertical direction, so that the laser module 15 can be applied to engrave the texture in the cavity with different depths.

[0068] When the laser engraving machine works, a lot of smoke will be generated, the air inlet end of the air extractor 3 is connected with the negative pressure pipe 4 through a pipeline, so that the air in the cabinet 1 can be extracted to discharge the smoke. At the same time, the external gas enters the cabinet 1 from the filter on the cover plate 2, the airflow carries the smoke into the air inlet of the air deflector 5 below the baffle 7, and then is discharged from the negative pressure pipe 4 by the air extractor 3.

[0069] Second embodiment

[0070] The difference based on the first embodiment is that:

[0071] Refer to the drawings Figures 6-10 ,

[0072] The fixing mechanism comprises a sleeve 13, two annular pipes 32 are connected in the sleeve 13, a plurality of spiral pipes 34 are connected between the two annular pipes 32 in common, the spiral pipes 34 communicate the two annular pipes 32, the laser module 15 is installed in the two annular pipes 32, and the plurality of spiral pipes 34 are all wound on the side wall of the laser module 15, wherein an exhaust passage 31 is formed between adjacent two spiral pipes 34.

[0073] One of the annular pipes 32 is connected with a liquid inlet pipe 24 on the pipe wall, and the other annular pipe 32 is connected with a liquid return pipe 25 on the pipe wall, one end of the liquid return pipe 25 penetrates through the side wall of the sleeve 13, and the pipe wall of the sleeve 13 is connected with two fixing rings 28, and the two fixing rings 28 are located at the upper and lower ends of the sleeve 14.

[0074] The pipe wall of the sleeve pipe 13 is provided with two annular grooves 38, a plurality of uniformly distributed through holes 39 are formed in the groove bottom of the two annular grooves 38, the groove opening of one of the annular grooves 38 is connected with the first annular cover 27, the groove opening of the other annular groove 38 is connected with the second annular cover 30, the side wall of the first annular cover 27 is connected with an air inlet pipe 26, and the side wall of the second annular cover 30 is fixedly connected with two air outlet pipes 40 in a symmetrical manner.

[0075] The outer edge of the lower end opening of the sleeve pipe 13 is connected with a wind collecting cover 12, a plurality of uniformly distributed negative pressure holes are formed in the corners of the wind collecting cover 12, one end of the wind collecting cover 12 is provided with an air outlet, two cross pipes 42 are connected in the air outlet, the air outlet pipe 40 extends into the wind collecting cover 12 and is connected with a spray head 41, and the spray head 41 is coaxially arranged in the cross pipe 42.

[0076] The pipe wall of the sleeve pipe 13 is provided with a recessed part 29, the recessed part 29 forms an annular protrusion in the sleeve pipe 13, the annular protrusion forms a flow limiting part in the air outlet channel 31, and the pipe wall of the spiral pipe 34 is provided with a lower recessed part 33, the lower recessed part 33 forms a turbulence part on the inner side of the spiral pipe 34.

[0077] The fixed mechanism is provided, when in use, the water pump (using a hose) built in the cooling liquid tank inputs cooling liquid into the liquid inlet pipe 24, the cooling liquid enters the upper annular pipe 32 and enters the lower annular pipe 32 from the plurality of spiral pipes 34, and the cooling liquid flows back to the cooling liquid tank from the liquid return pipe 25, so that a circulating cooling flow path is formed, at this time, the liquid cooling can be used to reduce the temperature generated when the laser module 15 works.

[0078] In addition, the compressed gas is sent into the first annular cover 27 through the air inlet pipe 26, at this time, the compressed gas enters the air outlet channel 31 through the through holes 39, and under the structure limitation of the spiral pipe 34, when the compressed gas passes through the spiral structure air outlet channel 31, the laser module 15 can be cooled, and the cooling liquid in the spiral pipe 34 can also be cooled.

[0079] The compressed gas enters the second annular cover 30 from the through holes 39, and finally is sprayed out through the spray head 41 on the air outlet pipe 40 and forms a high-speed airflow in the cross pipe 42, when the airflow is discharged, the two ends of the cross pipe 42 form a pressure difference, so that one end of the cross pipe 42 which generates a negative pressure suction force can extract the smoke floating near the laser module 15 from the negative pressure holes on the wind collecting cover 12, and the adsorbed smoke is discharged through the air outlet, so as to avoid the smoke floating near the laser module 15 to affect the irradiation of the light.

[0080] Third embodiment

[0081] The difference based on the first embodiment is that:

[0082] Refer to the accompanying drawings Figures 4-5 ,

[0083] The transmission mechanism comprises a mounting frame installed on one side of the back plate 10, the upper end of the mounting frame is connected with the second motor 17, the side wall of the mounting frame is rotatably connected with the main shaft 19 through a rolling bearing, the lower end of the main shaft 19 is connected with the upper end of the frame 11, the shaft wall of the main shaft 19 is sleeved with the synchronous belt 18, and the synchronous belt 18 is sleeved with two synchronous wheels 23, one of which is installed on the shaft wall of the main shaft 19, and the other is coaxially installed on the output end of the second motor 17.

[0084] The transmission mechanism provided in the application, when in use, starts the second motor 17 to rotate the synchronous wheel 23 to drive the synchronous belt 18 to rotate the other synchronous wheel 23, at this time the synchronous wheel 23 drives the main shaft 19 to rotate the frame 11, and the frame 11 drives the fixing mechanism to make the laser module 15 do circular motion around the main shaft 19.

[0085] Refer to the attached drawings Figures 12-14 ,

[0086] When the adjusting assembly drives the laser module 15 to tilt, the transmission mechanism can drive the laser module 15 to do circular motion in the tilted posture, so as to effectively adapt to the concave-convex surface in the mold cavity and improve the working efficiency of the laser engraving machine.

[0087] In summary, the laser engraving machine for mold cavity texture engraving processing can adjust the overall swing of the laser module to the tilted posture in the mold cavity, improves the efficiency of texture engraving processing, and can also efficiently control the temperature of the laser module to make it in a reasonable working environment.

[0088] It should be noted that the term "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, so that processes, methods, articles or equipment including a series of elements not only include those elements, but also include other elements not explicitly listed, or include elements inherent to such processes, methods, articles or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0089] In the description of the application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the application.

[0090] Furthermore, the terms "first", "second", and the like, are used only for descriptive purposes, and do not connote or imply relative importance or implicitly indicate the number of technical features indicated. Thus, a feature defined with "first", "second", and the like, can include one or more of the features implicitly or explicitly.

[0091] In the description of the present application, it is necessary to indicate that, unless otherwise clearly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0092] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A laser engraving machine for mold cavity texture engraving, comprising a machine box (1), wherein an X-axis moving module (9), a Y-axis moving module (8), a laser module (15) and a fixed plate (16) are arranged in the machine box (1), characterized in that: The fixed plate (16) is installed on the base of the Y-axis moving module (8), one side of the fixed plate (16) is provided with a back plate (10), one side of the back plate (10) is rotatably connected with a frame (11) through a transmission mechanism, one end of the frame (11) is provided with a mounting port, the mounting port is rotatably connected with a sleeve (14) through an adjusting assembly, the sleeve (14) is provided with a fixing mechanism, and the fixing mechanism is used for installing the laser module (15) and can cool the laser module (15); One side of the case (1) is provided with an opening, and the opening is hingedly connected with a cover plate (2) through a hinge, and the cover plate (2) is provided with a filter; The fixing mechanism comprises a sleeve (13), two annular pipes (32) are connected in the sleeve (13), a plurality of spiral pipes (34) are connected between the two annular pipes (32) in common, the spiral pipes (34) are communicated with the two annular pipes (32), the laser module (15) is installed in the two annular pipes (32), and the plurality of spiral pipes (34) are wound on the side wall of the laser module (15), wherein an exhaust channel (31) is formed between adjacent two spiral pipes (34); The pipe wall of one of the annular pipes (32) is connected with a liquid inlet pipe (24), and the pipe wall of the other annular pipe (32) is connected with a liquid return pipe (25), one end of the liquid return pipe (25) penetrates through the side wall of the sleeve (13), and the pipe wall of the sleeve (13) is connected with two fixing rings (28), and the two fixing rings (28) are located at the upper and lower ends of the sleeve (14) respectively; The pipe wall of the sleeve (13) is provided with two annular grooves (38), a plurality of uniformly distributed through holes (39) are formed in the groove bottoms of the two annular grooves (38), one of the annular grooves (38) is connected with a first annular cover (27), and the other annular groove (38) is connected with a second annular cover (30), the side wall of the first annular cover (27) is connected with a air inlet pipe (26), and the side wall of the second annular cover (30) is fixedly and symmetrically connected with two air outlet pipes (40); The outer edge of the lower end of the sleeve (13) is connected with a wind collecting cover (12), a plurality of uniformly distributed negative pressure holes are formed in the corners of the wind collecting cover (12), one end of the wind collecting cover (12) is provided with an air outlet, the air outlet is connected with two cross pipes (42), the air outlet pipe (40) extends into the wind collecting cover (12) and is connected with a spray head (41), and the spray head (41) is coaxially arranged in the cross pipe (42).

2. The laser engraver for die cavity texture engraving according to claim 1, characterized in that: The adjusting assembly comprises a support mounted on one side of the frame (11), the one side of the frame (11) is connected with a first motor (20), the output end of the first motor (20) is connected with a worm (22), one side of the worm (22) is engaged with a worm gear (21), the side wall of the sleeve (14) is symmetrically connected with two rotating shafts, both the rotating shafts are rotatably connected to the side wall of the frame (11) through ball bearings, and one end of one of the rotating shafts penetrates through the ball bearing and is connected with one side of the worm gear (21) in the same axis.

3. The laser engraver for die cavity texture engraving according to claim 1, characterized in that: The transmission mechanism comprises a mounting frame mounted on one side of the back plate (10), the upper end of the mounting frame is connected with a second motor (17), the side wall of the mounting frame is rotatably connected with a main shaft (19) through a rolling bearing, the lower end of the main shaft (19) is connected with the upper end of the frame (11), the shaft wall of the main shaft (19) is sleeved with a synchronous belt (18), the synchronous belt (18) is sleeved with two synchronous wheels (23) inside, one of the synchronous wheels (23) is mounted on the shaft wall of the main shaft (19), and the other synchronous wheel (23) is coaxially mounted on the output end of the second motor (17).

4. The laser engraver for die cavity texture engraving of claim 1, wherein: The pipe wall of the sleeve pipe (13) is provided with a recess (29), the recess (29) forms an annular protrusion in the sleeve pipe (13), the annular protrusion forms a flow limiting portion in the air exhaust channel (31), the pipe wall of the spiral pipe (34) is provided with a lower recess (33), and the lower recess (33) forms a turbulence portion on the inner side of the spiral pipe (34).

5. The laser engraver for die cavity texture engraving of claim 1, wherein: The side wall of the fixing plate (16) is provided with a rectangular opening, the rectangular opening is connected with an electric push rod (36), the output end of the electric push rod (36) penetrates through one side of the rectangular opening and is connected with a connecting block, the connecting block is connected with the lower end of the back plate (10), the opposite side edges of the back plate (10) are connected with sliding rails (37), and the opposite sides of the fixing plate (16) are both provided with sliding grooves (35).

6. The laser engraver for die cavity texture engraving of claim 1, wherein: The cabinet (1) is connected with a partition plate (7), the upper end of the partition plate (7) is connected with a loading table (6), the four corners of the partition plate (7) are all connected with air deflectors (5), the side wall of the air deflector (5) is provided with an air inlet, the upper end of the air deflector (5) is provided with a sealing portion, one side of the cabinet (1) is connected with a negative pressure pipe (4), and one side of the cabinet (1) is connected with an air extractor (3).

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