Discharging device of engraving and milling machine

Abstract

The invention relates to the technical field of engraving and milling machines, in particular to a blanking device of an engraving and milling machine, which comprises a machine body, guide rails symmetrically and fixedly connected to the top of the machine body, a mounting frame slidably connected to the tops of the guide rails, a spindle box slidably connected to the mounting frame, a driving spindle slidably connected to the bottom of the spindle box, and an engraving and milling cutter head fixedly connected to the bottom end of the driving spindle. A stepping motor drives a first synchronous wheel to rotate, a cleaning cylinder is driven to rotate through the first synchronous wheel, a second synchronous wheel and a synchronous belt, a plurality of brush columns on the cleaning cylinder are forced to stretch out gradually, and soft brushes on the brush columns can be better attached to the surface of an object subjected to fine carving under the elastic force effect of a reset spring; by means of the technical scheme, the chippings adhering to the carved object can be better cleaned, it is ensured that the chippings can be effectively brushed away, the chipping cleaning effect and efficiency can be improved, meanwhile, the time spent on manual cleaning can be shortened, the labor intensity can be lowered, and the overall machining efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of precision engraving machines, in particular to a material unloading device for precision engraving machines. Background Art

[0002] The precision engraving machine is a CNC milling machine that uses small tools, high-power and high-speed spindle motors. It has the advantages of stable and reliable operation, good processing quality, high efficiency, simple operation and convenient maintenance. It can not only engrave but also mill, filling the gap between engraving machines and machining centers. The precision engraving machine is designed and laid out by the special engraving software configured in the computer. The design and layout information is automatically transmitted to the engraving machine controller by the computer, and then the controller converts the information into a power signal (pulse train) to drive the stepper motor or servo motor, and controls the engraving machine to generate X, Y, and Z three-axis tool trajectories. At the same time, the high-speed rotating engraving head on the engraving machine cuts the processing material fixed on the host workbench, and configures the tool according to the processing material. It can engrave various flat or three-dimensional relief graphics and computer-designed text to achieve automatic engraving.

[0003] At present, the existing precision engraving machines will generate a large amount of debris during the precision engraving process. When the precision engraving drill bit needs to be sprayed with water to cool down, these debris will be moistened by the cooling water, resulting in an enhanced adsorption force between the wet debris and the object to be precision engraved, thereby making the debris more difficult to clean, thereby increasing the difficulty and time of the cleaning work. In addition, the existing technology usually uses manual labor to clean the wet debris, and this cleaning method will not only increase the time and manpower spent on cleaning, thereby increasing the labor intensity of the workers, but also reduce the overall processing efficiency of the precision engraving work. Summary of the invention

[0004] Based on the above problems existing in the prior art, the problem to be solved by the present application is that the debris generated by the existing fine engraving machine during the fine engraving process will be wetted by cooling water, making it difficult to clean.

[0005] The technical solution adopted by the present application to solve the technical problem is: a material unloading device of a fine engraving machine, comprising: a machine body, a guide rail is symmetrically fixedly connected to the top of the machine body, a mounting frame is slidably connected to the top of the guide rail, a main shaft box is slidably connected to the mounting frame, a driving spindle is slidably connected to the bottom of the main shaft box, a fine engraving cutter head is fixedly connected to the bottom of the driving spindle, and a cooling water pipe is fixedly connected to the bottom of the main shaft box;

[0006] A cleaning mechanism, which is arranged on the top of the machine body, and includes a transmission rod symmetrically connected to the top of the machine body, a connecting rod is rotatably connected to one side of the top of the machine body, a cleaning cylinder is fixedly connected to the surface of the connecting rod, and the cleaning mechanism is used to sweep away debris adhering to the surface of the object to be carved; a blowing mechanism, which is arranged on the top of the machine body, and includes a reciprocating screw rotatably connected to the top of the machine body, a mounting ring is connected to the surface of the reciprocating screw through a nut thread, a slide rail is fixedly connected to the top of the mounting ring, and the blowing mechanism is used to blow away smaller debris on the surface of the object to be carved.

[0007] Preferably, a conveyor roller is fixedly connected to the surface of the transmission rod, a conveyor belt is sleeved on the outer surface of the conveyor roller, the conveyor belt is located below the engraving tool head, a stepper motor is fixedly connected to the side of the machine body away from the mounting frame, and the output shaft of the stepper motor is fixedly connected to the transmission rod.

[0008] Preferably, a plurality of brush columns are equidistantly and annularly connected to the cleaning cylinder for sliding connection, and a soft brush is fixedly connected to one end of the plurality of brush columns, and the soft brush is located outside the cleaning cylinder. A return spring is sleeved on the surface of each brush column, and the two ends of the return spring respectively contact the upper surface of the bottom end of the brush column and the inner surface of the cleaning cylinder.

[0009] Preferably, a synchronous wheel 1 is fixedly connected to the side of the outer surface of the transmission rod away from the stepper motor, and a synchronous wheel 2 is fixedly connected to the side of the outer surface of the connecting rod away from the stepper motor, and a synchronous belt is commonly sleeved on the surfaces of the synchronous wheel 1 and the synchronous wheel 2.

[0010] Preferably, the blowing mechanism also includes a support frame fixedly mounted on the top of the machine body, the lower surface of the top of the support frame is rotatably connected to a connecting plate, the bottom of the connecting plate is fixedly connected to a protruding rod on one side close to the reciprocating screw, and the surface of the protruding rod is in sliding fit with the inside of the slide rail.

[0011] Preferably, a plurality of high-pressure blowing nozzles are equidistantly and fixedly connected to one side of the bottom of the connecting plate away from the protruding rod, and the plurality of high-pressure blowing nozzles are distributed in an arc-shaped expansion manner as a whole.

[0012] Preferably, a synchronous wheel three is fixedly connected to the surface of the reciprocating screw, and the surface of the synchronous wheel three is sleeved on the inner surface of the synchronous belt. The diameter values ​​of the synchronous wheel one, the synchronous wheel three and the synchronous wheel two are distributed in a step-by-step decreasing manner.

[0013] Preferably, a clamping assembly is provided on the top of the machine body, and the clamping assembly comprises a mounting plate fixedly mounted on the top of the machine body, and the mounting plate is located below the upper half of the conveyor belt.

[0014] Preferably, a slide groove is provided on the top of the mounting plate, a bidirectional lead screw is rotatably connected to the side of the slide groove close to the mounting frame, a limit rod is fixedly connected to the side of the slide groove away from the bidirectional lead screw, one end of the bidirectional lead screw is fixedly connected to a turning handle, and the turning handle is located outside the mounting plate.

[0015] Preferably, a clamping plate is symmetrically slidably connected inside the slide groove, one side of the clamping plate is connected to the surface of the bidirectional screw through a nut thread, the other side of the clamping plate is slidably connected to the surface of the limit rod, and an anti-slip pad is fixedly connected to the opposite surface of the clamping plate.

[0016] The beneficial effects of this application are:

[0017] The present application provides a material unloading device for a precision engraving machine, which drives a synchronous wheel 1 to rotate through a stepping motor, and drives a cleaning cylinder to rotate through synchronous wheel 1, synchronous wheel 2 and a synchronous belt, so that multiple brush columns on the cleaning cylinder are forced to gradually extend out, and under the elastic force of a reset spring, the soft brushes on the multiple brush columns can better fit the surface of the object after precision engraving, and thus can better clean the debris adhered to the object after precision engraving, ensuring that the debris can be effectively brushed off, thereby improving the effect and efficiency of debris cleaning, and at the same time can also reduce the time spent on manual cleaning, which can not only reduce labor intensity, but also improve overall processing efficiency.

[0018] The present application provides a material discharge device for a precision engraving machine, which drives a mounting ring on a reciprocating screw to move back and forth through a conveyor belt and a synchronous wheel, so that the slide rail on the mounting ring, under the linkage action of a convex rod, prompts a high-pressure blowing nozzle to swing back and forth, and utilizes its strong wind force to blow away smaller debris remaining on the surface of the precision engraving object, and can also ensure that the entire precision engraving object is blown away, making the chip removal effect more comprehensive and thorough, thereby further improving the chip removal effect, and at the same time, through the reciprocating high-pressure blowing nozzle, it can also adapt to precision engraving objects of different shapes and sizes, thereby meeting the cleaning needs of different precision engraving objects.

[0019] The present application provides a material unloading device for a precision engraving machine, which manually twists a handle to make two clamping plates move relative to each other, and uses the anti-slip pads on the two clamping plates to stably clamp the two sides of the object to be precision engraved, thereby facilitating workers to quickly clamp the object to be precision engraved, thereby saving processing time for the precision engraving work. At the same time, the two relatively moving clamping plates can also center the object to be precision engraved, so that the middle of the object to be precision engraved is aligned with the precision engraving cutter head, thereby facilitating workers to set the parameter values ​​required for the precision engraving work, thereby improving the convenience of the present precision engraving machine.

[0020] In addition to the above-described purposes, features and advantages, the present application has other purposes, features and advantages. The present application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the cross-section structure of the conveyor belt in the present invention;

[0023] Figure 3 It is an enlarged structural diagram of the clamping assembly in the present invention;

[0024] Figure 4 It is a schematic diagram of the cutaway structure of the cleaning cylinder in the present invention;

[0025] Figure 5 This is an enlarged view of the structure inside the cleaning tube of the present invention;

[0026] Figure 6 It is an enlarged structural diagram of the cleaning mechanism in the present invention;

[0027] Figure 7 It is an enlarged structural diagram of the blowing mechanism in the present invention;

[0028] Figure 8 It is a structural schematic diagram of the blowing mechanism in the present invention from another perspective;

[0029] Fig. 9 It is a structural schematic diagram of the working state of the high-pressure blowing nozzle in the present invention.

[0030] Marking Description:

[0031] 1. Machine body; 101. Guide rail; 102. Mounting frame; 103. Spindle box; 104. Driving spindle; 105. Carving tool head; 106. Cooling water pipe; 2. Mounting plate; 201. Slide; 202. Bidirectional lead screw; 203. Limit rod; 204. Turning handle; 205. Clamping plate; 206. Anti-skid pad; 3. Transmission rod; 301. Conveyor roller; 302. Conveyor belt; 303. Stepper Motor; 304, connecting rod; 305, cleaning cylinder; 306, brush column; 3061, soft brush; 3062, reset spring; 307, synchronous wheel one; 308, synchronous wheel two; 309, synchronous belt; 4, reciprocating screw; 401, synchronous wheel three; 402, mounting ring; 403, slide rail; 404, support frame; 405, connecting plate; 406, convex rod; 407, high-pressure blowing nozzle. DETAILED DESCRIPTION

[0032] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0033] In order to enable those skilled in the art to better understand the solution of the present application, the following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this application.

[0034] Reference Figure 1 , Figure 2 as well as Figure 3 A material unloading device of a precision engraving machine comprises: a machine body 1, a guide rail 101 is symmetrically fixedly connected to the top of the machine body 1, a mounting frame 102 is slidably connected to the top of the guide rail 101, a spindle box 103 is slidably connected to the mounting frame 102, a driving spindle 104 is slidably connected to the bottom of the spindle box 103, a precision engraving cutter head 105 is fixedly connected to the bottom of the driving spindle 104, and a cooling water pipe 106 is fixedly connected to the bottom of the spindle box 103.

[0035] Reference Figures 1 to 4 A clamping assembly is provided on the top of the machine body 1. The clamping assembly includes a mounting plate 2 fixedly mounted on the top of the machine body 1. The mounting plate 2 is located below the upper half of the conveyor belt 302. A slide groove 201 is provided on the top of the mounting plate 2. A bidirectional lead screw 202 is rotatably connected to the side of the slide groove 201 close to the mounting frame 102. A limit rod 203 is fixedly connected to the side of the slide groove 201 away from the bidirectional lead screw 202. A handle 204 is fixedly connected to one end of the bidirectional lead screw 202. The handle 204 is located outside the mounting plate 2 and is used by workers to manually clamp the object to be carved. A clamping plate 205 is symmetrically slidably connected inside the slide groove 201. One side of the clamping plate 205 is connected to the surface of the bidirectional lead screw 202 through a nut thread. The other side of the clamping plate 205 is slidably connected to the surface of the limit rod 203. An anti-slip pad 206 is fixedly connected to the opposite surface of the clamping plate 205, which is used to increase the friction between the object to be carved and the clamping plate 205.

[0036] Reference Figures 4 to 6 The cleaning mechanism is used to clean up the debris adhering to the surface of the object to be carved. The cleaning mechanism is arranged on the top of the machine body 1. The cleaning mechanism includes a transmission rod 3 symmetrically connected to the top of the machine body 1, and the number of the transmission rods 3 is two. The surfaces of the two transmission rods 3 are fixedly connected with conveying rollers 301. The outer surface of the conveying roller 301 is sleeved with a conveyor belt 302. The conveyor belt 302 is located below the carving tool head 105. A stepper motor 303 is fixedly connected to the side of the machine body 1 away from the mounting frame 102. The output shaft of the stepper motor 303 is fixedly connected to a transmission rod 3 away from the mounting frame 102.

[0037] A connecting rod 304 is rotatably connected to one side of the top of the machine body 1, and a cleaning cylinder 305 is fixedly connected to the surface of the connecting rod 304. A plurality of brush columns 306 are slidably connected to the cleaning cylinder 305 in an annular manner with equal spacing. A soft brush 3061 is fixedly connected to one end of the plurality of brush columns 306. The soft brush 3061 is located outside the cleaning cylinder 305. The front end of the brush column 306 and the contact part of the soft brush 3061 are made of rubber material, which can make the brush column 306 squeezed by the object after fine carving without damaging the surface of the object after fine carving. A reset spring 3062 is sleeved on the surface of each brush column 306, and the two ends of the reset spring 3062 are respectively in conflict with the upper surface of the bottom end of the brush column 306 and the inner surface of the cleaning cylinder 305. A synchronous wheel 307 is fixedly connected to the side of the outer surface of the transmission rod 3 away from the stepper motor 303, and a synchronous wheel 308 is fixedly connected to the side of the outer surface of the connecting rod 304 away from the stepper motor 303. A synchronous belt 309 is sleeved on the surfaces of the synchronous wheels 1 307 and 308.

[0038] Reference Figures 6 to 9 The blowing mechanism is used to blow away the small debris on the surface of the object to be carved. The blowing mechanism is arranged on the top of the machine body 1. The blowing mechanism includes a reciprocating screw 4 rotatably connected to the top of the machine body 1, and the reciprocating screw 4 is located above the conveyor belt 302. The surface of the reciprocating screw 4 is connected to a mounting ring 402 through a nut thread, and the top of the mounting ring 402 is fixedly connected to a slide rail 403. The blowing mechanism also includes a support frame 404 fixedly mounted on the top of the machine body 1, and a connecting plate 405 is rotatably connected to the lower surface of the top of the support frame 404. A convex rod 406 is fixedly connected to the side of the bottom of the connecting plate 405 close to the reciprocating screw 4. The surface of the convex rod 406 is in sliding cooperation with the inside of the slide rail 403, wherein the inner length of the slide rail 403 is greater than the length between the convex rod 406 and the rotation point of the connecting plate 405, which is used to ensure that the convex rod 406 can slide along the inside of the slide rail 403 during the movement of the slide rail 403 with the mounting ring 402.

[0039] A plurality of high-pressure blowing nozzles 407 are fixedly connected to the bottom of the connecting plate 405 at equal intervals on one side away from the protruding rod 406. The plurality of high-pressure blowing nozzles 407 are distributed in an arc-shaped expansion type as a whole, which is used to increase the blowing area of ​​the plurality of high-pressure blowing nozzles 407. A synchronous wheel 3 401 is fixedly connected to the surface of the reciprocating screw 4. The surface of the synchronous wheel 3 401 is sleeved on the inner surface of the synchronous belt 309. The diameter values ​​of the synchronous wheel 1 307, the synchronous wheel 3 401 and the synchronous wheel 2 308 are distributed in a step-by-step decreasing manner, which is used to increase the number of rotations and the rotation speed of the connecting rod 304 and the protruding rod 406.

[0040] Initial state: the two clamping plates 205 are at the maximum spacing position and fit against the inner wall of the slide groove 201, the fine carving tool head 105 is located obliquely above the mounting plate 2, and the fine carving tool head 105 and the cleaning cylinder 305 are located on both sides of the mounting plate 2, the reset spring 3062 is in a natural flexural state not affected by external force, and the lower surface of the bottom end of the brush column 306 fits against the inner surface of the cleaning cylinder 305, the soft brush 3061 is close to the outer surface of the cleaning cylinder 305, and the middle part of the mounting ring 402 and the connecting plate 405 are both located on the axis of the convex rod 406.

[0041] Working process: When in use, the worker first sets the stepper motor 303 through the controller so that the travel distance each time is the same as the distance between the placement position of the object to be carved and the middle of the clamping plate 205, and then places the object to be carved on the top of the upper surface of the conveyor belt 302 close to the side of the mounting frame 102. Then the worker starts the stepper motor 303 through the controller to drive the transmission rod 3 fixedly connected to it to rotate synchronously, and then the transmission rod 3 drives the conveyor roller 301 on it to rotate, and the conveyor roller 301 drives the conveyor roller 301 adjacent to the mounting frame 102 to rotate in the same direction through the conveyor belt 302, thereby causing the conveyor belt 302 to move in the direction of the stepper motor 303, and the object to be carved on the conveyor belt 302 also moves in the same direction. The object to be carved is located between the two When the two clamping plates 205 are between each other, the stepper motor 303 stops rotating immediately. At this time, the worker manually turns the handle 204 to make the bidirectional screw 202 rotate synchronously with the handle 204, and then the two clamping plates 205 located on the bidirectional screw 202 slide toward each other along the surface of the limit rod 203, causing the anti-slip pads 206 on the two clamping plates 205 to fit the two sides of the object to be carved and clamp it stably, which is beneficial for workers to quickly clamp the object to be carved, thereby saving the processing time of the carving work. In this process, the two relatively moving clamping plates 205 can also center the object to be carved, so that the middle part of the object to be carved is aligned with the carving tool head 105, thereby facilitating the workers to set the parameter values ​​required for the carving work, thereby improving the convenience of the carving machine.

[0042] After the clamping is completed, the worker drives the main shaft 104 through the controller, so that it moves back and forth through the guide rail 101, the mounting frame 102 and the main shaft box 103, so that the fine carving tool head 105 can move in the three axes of X, Y and Z, thereby realizing the fine carving work. After the fine carving is completed, the worker manually twists the handle 204 in the opposite direction, so that the two-way screw 202 rotates in the opposite direction, and the two clamping plates 205 on the two-way screw 202 slide apart, thereby releasing the clamping of the finely carved object. Then the worker starts the stepper motor 303 again through the controller, so that the conveyor belt 302 continues to move forward, and drives the finely carved object on the conveyor belt 302 to move with it. At the same time, the transmission rod 3 fixedly connected to the stepper motor 303 drives the synchronous wheel 1 307 to rotate in the same direction, and then the synchronous wheel 1 307 rotates in the same direction. The wheel 1 307 drives the synchronous wheel 2 308 to rotate in the same direction through the synchronous belt 309, and then the synchronous wheel 2 308 drives the cleaning cylinder 305 on the connecting rod 304 to rotate along the direction of travel of the conveyor belt 302. As the cleaning cylinder 305 continues to rotate, the multiple brush columns 306 inside the cleaning cylinder 305 move toward the outside of the cleaning cylinder 305 under the action of their torque. At this time, the return spring 3062 located on the brush column 306 is continuously contracted under the force, and the return spring 3062 located on the brush column 306 is continuously contracted. The soft brush 3061 on 306 also extends outwards. When the object after fine carving moves to the bottom of the cleaning tube 305, the soft brush 3061 extending outwards is attached to the surface of the object after fine carving for cleaning. In this process, when the extended soft brush 3061 contacts the protruding part of the object after fine carving, the protruding part squeezes the multiple brush columns 306, so that the front ends of the multiple brush columns 306 are deformed by force. At the same time, the multiple brush columns 306 are forced to move toward the inside of the cleaning tube 305, and the extended soft brush 3061 moves When moving to the sunken part of the object after fine carving, the multiple brush columns 306 continue to move towards the sunken part because there is no squeezing on the surface of the object after fine carving. As a result, the soft brushes 3061 on the multiple brush columns 306 are more closely attached to the surface of the object after fine carving, and thus can better clean the debris adhering to the object after fine carving, ensuring that the debris can be effectively brushed off, thereby improving the effect and efficiency of debris cleaning, and at the same time reducing the time spent on manual cleaning, which not only reduces labor intensity, but also improves overall processing efficiency.

[0043] At the same time, the conveyor belt 302 drives the synchronous wheel three 401 to rotate in the same direction as the synchronous wheel one 307, and then the synchronous wheel three 401 drives the reciprocating screw 4 fixedly connected to it to rotate, and the reciprocating screw 4 drives the mounting ring 402 thereon to move from the middle to the end, and the mounting ring 402 drives the slide rail 403 thereon to move synchronously. In this process, the slide rail 403 drives the convex rod 406 to move in the same direction, so that the convex rod 406 pushes the connecting plate 405 to rotate along the lower surface of the top of the support frame 404, and during the rotation of the connecting plate 405, the convex rod 406 rotates synchronously with the connecting plate 405 and makes it slide along the inside of the slide rail 403 toward the support frame 404, so that the high-pressure blowing nozzle 407 located on the other side of the connecting plate 405 rotates a certain angle accordingly, and then the mounting ring 403 is 02 moves to the outermost end of the reciprocating screw 4, as the reciprocating screw 4 continues to rotate, the mounting ring 402 moves in the opposite direction, thereby allowing the high-pressure blowing nozzle 407 to swing back and forth, and the fine-carved object after cleaning continues to move forward with the conveyor belt 302, and when the fine-carved object is close to the high-pressure blowing nozzle 407, the high-pressure air blown out by the reciprocating high-pressure blowing nozzle 407 blows on the surface of the fine-carved object, and blows away the smaller debris remaining on the surface of the fine-carved object through strong wind force, and can also ensure that the whole fine-carved object is blown away, making the chip removal effect more comprehensive and thorough, thereby further improving the chip removal effect, and at the same time, through the reciprocating high-pressure blowing nozzle 407, it can also adapt to fine-carved objects of different shapes and sizes, thereby meeting the cleaning needs of different fine-carved objects.

[0044] The purged finely carved object then moves forward along the conveyor belt 302 , so that the finely carved object gradually approaches the stepper motor 303 , and then the finely carved object falls from the conveyor belt 302 into the finished product area below, thereby completing the unloading work of the finely carved object.

[0045] A person skilled in the art should understand that the discussion of any of the above embodiments is only exemplary, and within the spirit of the present invention, the technical features in the above embodiments or in different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0046] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A material unloading device for a precision engraving machine, comprising: A machine body (1), wherein the top of the machine body (1) is symmetrically fixedly connected with a guide rail (101), the top of the guide rail (101) is slidably connected with a mounting frame (102), the mounting frame (102) is slidably connected with a spindle box (103), the bottom of the spindle box (103) is slidably connected with a driving spindle (104), the bottom end of the driving spindle (104) is fixedly connected with a fine carving tool head (105), and the bottom of the spindle box (103) is fixedly connected with a cooling water pipe (106), characterized in that: A cleaning mechanism, the cleaning mechanism being arranged on the top of the machine body (1), the cleaning mechanism comprising a transmission rod (3) symmetrically rotatably connected to the top of the machine body (1), a connecting rod (304) being rotatably connected to one side of the top of the machine body (1), a cleaning cylinder (305) being fixedly connected to the surface of the connecting rod (304), the cleaning mechanism being used to clean away debris adhering to the surface of the object to be finely carved; An air blowing mechanism is arranged on the top of the machine body (1), the air blowing mechanism comprises a reciprocating screw (4) rotatably connected to the top of the machine body (1), a mounting ring (402) is connected to the surface of the reciprocating screw (4) via a nut thread, a slide rail (403) is fixedly connected to the top of the mounting ring (402), and the air blowing mechanism is used to blow away small debris on the surface of an object to be finely carved.

2. A material unloading device for a precision engraving machine according to claim 1, characterized in that: A conveying roller (301) is fixedly connected to the surface of the transmission rod (3), a conveying belt (302) is sleeved on the outer surface of the conveying roller (301), and the conveying belt (302) is located below the fine carving tool head (105). A stepping motor (303) is fixedly connected to the side of the machine body (1) away from the mounting frame (102), and an output shaft of the stepping motor (303) is fixedly connected to the transmission rod (3).

3. A material unloading device for a precision engraving machine according to claim 2, characterized in that: The cleaning cylinder (305) is annularly equidistantly slidably connected to a plurality of brush columns (306); one end of each of the brush columns (306) is fixedly connected to a soft brush (3061); the soft brush (3061) is located outside the cleaning cylinder (305); a return spring (3062) is sleeved on the surface of each of the brush columns (306); two ends of the return spring (3062) respectively contact the upper surface of the bottom end of the brush column (306) and the inner surface of the cleaning cylinder (305).

4. A material unloading device for a precision engraving machine according to claim 3, characterized in that: A first synchronous wheel (307) is fixedly connected to the side of the outer surface of the transmission rod (3) away from the stepping motor (303), and a second synchronous wheel (308) is fixedly connected to the side of the outer surface of the connecting rod (304) away from the stepping motor (303). A synchronous belt (309) is sleeved on the surfaces of the first synchronous wheel (307) and the second synchronous wheel (308).

5. A material unloading device for a precision engraving machine according to claim 4, characterized in that: The blowing mechanism further comprises a support frame (404) fixedly mounted on the top of the machine body (1); a connecting plate (405) is rotatably connected to the lower surface of the top of the support frame (404); a protruding rod (406) is fixedly connected to the bottom of the connecting plate (405) on one side close to the reciprocating screw (4); and a surface of the protruding rod (406) is in sliding engagement with the interior of the slide rail (403).

6. A material unloading device for a precision engraving machine according to claim 5, characterized in that: A plurality of high-pressure blowing nozzles (407) are fixedly connected at equal distances to one side of the bottom of the connecting plate (405) away from the protruding rod (406), and the plurality of high-pressure blowing nozzles (407) are distributed in an arc-shaped unfolded manner as a whole.

7. A material unloading device for a precision engraving machine according to claim 6, characterized in that: The surface of the reciprocating screw (4) is fixedly connected to a synchronous wheel three (401), the surface of the synchronous wheel three (401) is sleeved on the inner surface of the synchronous belt (309), and the diameter values ​​of the synchronous wheel one (307), the synchronous wheel three (401) and the synchronous wheel two (308) are distributed in a step-by-step decreasing manner.

8. The material unloading device of a precision engraving machine according to claim 1, characterized in that: A clamping assembly is provided on the top of the machine body (1), and the clamping assembly comprises a mounting plate (2) fixedly mounted on the top of the machine body (1), and the mounting plate (2) is located below the upper part of the conveyor belt (302).

9. A material unloading device for a precision engraving machine according to claim 8, characterized in that: A slide groove (201) is provided at the top of the mounting plate (2); a bidirectional lead screw (202) is rotatably connected to a side of the slide groove (201) close to the mounting frame (102); a limit rod (203) is fixedly connected to a side of the slide groove (201) away from the bidirectional lead screw (202); a rotating handle (204) is fixedly connected to one end of the bidirectional lead screw (202); and the rotating handle (204) is located outside the mounting plate (2).

10. A material unloading device for a precision engraving machine according to claim 9, characterized in that: A clamping plate (205) is symmetrically slidably connected inside the slide groove (201); one side of the clamping plate (205) is connected to the surface of the bidirectional lead screw (202) via a nut thread; the other side of the clamping plate (205) is slidably connected to the surface of the limit rod (203); and an anti-slip pad (206) is fixedly connected to the opposite surface of the clamping plate (205).

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