Automatic special-shaped carving machine capable of replacing manual work

Abstract

The utility model discloses an automatic special-shaped carving machine replacing manual work, which is characterized in that a collecting box is arranged below a stone processing platform, a partition plate, an inclined side plate, a strip-shaped separation net, a vibration motor, a back-flushing water component and a stone water recycling part are arranged in the collecting box, and the inclined side plate is used for receiving broken stones and sewage; a strip-shaped separation net is used for replacing a hole-shaped inclined net to separate broken stones and sewage, obstruction caused by downward rolling of the broken stones is reduced, the sewage is collected through a water collecting tank, the strip-shaped separation net is oscillated through a vibration motor to promote rolling of the broken stones, and the strip-shaped separation net is backwashed through a backflushing assembly to remove the broken stones clamped into the strip-shaped separation net. According to the invention, the separation net is subjected to back flushing by adding the back flushing assembly, so that the technical problems existing in the prior art are solved, the broken stones clamped in the meshes are effectively removed, the separation net is prevented from being blocked, and the smoothness of the separation net is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to stone carving equipment technical field, especially relate to a replace manual automatic special-shaped carving machine. BACKGROUND

[0002] Stone carving refers to the use of various carvable and sculpable stones to create a visible and touchable artistic image with a certain space, so as to reflect social life and express the aesthetic feelings, aesthetic emotions and aesthetic ideals of artists. Traditional stone carving techniques are achieved by hand carving on stone materials. With the development of science and technology and the demand for stone carving speed, stone carving machines that replace manual carving have emerged.

[0003] When the carving machine carves stone, water is needed to constantly flush the carving knife and the surface of the stone to cool the carving knife and prevent debris, dust, etc. from splashing. In order to prevent the accumulation of debris and wastewater after flushing from affecting stone carving, it is necessary to collect the debris and wastewater in time. For example, a stone carving machine debris collection device is disclosed in Chinese patent application No. CN202220789803.X. A collection box is arranged under the placing table where the stone is placed. Inside the collection box, there is an inclined plate, a water collecting tank, an inclined net, a recycling drawer and a vibration motor. The inclined plate receives the debris and wastewater falling from the placing table. The water collecting tank is arranged at the bottom of the inclined plate. The inclined net separates the debris and wastewater. The vibration motor vibrates the debris on the inclined net to make it roll better. The recycling drawer effectively classifies and recovers the debris and wastewater. This technical solution solves the problem of collecting debris and wastewater to some extent.

[0004] However, in the above technical solution, the inclined net is a hole structure. Each time the debris passes through a mesh, it will be hindered, resulting in low debris recovery efficiency. The vibration motor can only provide rolling assistance to debris with a diameter significantly larger than the mesh diameter. For debris with a diameter close to the mesh diameter, some of which are stuck in the mesh, the vibration motor cannot effectively vibrate them off. Over time, the inclined net will be clogged, reducing the recovery efficiency of debris and wastewater. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a replace manual automatic special-shaped carving machine, so as to overcome the technical problems existing in the prior art. By increasing the backflushing water assembly to backflush the separation net, the debris stuck in the mesh hole can be effectively removed, the separation net is prevented from being clogged, and the smoothness of the separation net is ensured. The specific technical solution is as follows:

[0006] The utility model provides an automatic special-shaped carving machine of manual alternative, be equipped with the collection box for receiving the broken stone and sewage under the carving machine, the collection box is equipped with collection mechanism, the collection mechanism includes the baffle, the inclined side plate, the strip separation net, the vibration motor, the backflushing water subassembly and the stone water recovery unit, the baffle is installed in the collection box to divide the collection box into two collection areas, the inclined side plate is installed in any collection area, the stone water recovery unit is installed in another collection area, including two the inclined side plate is installed on the side wall of the collection box, the water collecting groove is formed between two the inclined side plate, the strip separation net is installed on the inclined side plate and is erected above the water collecting groove, the vibration motor is installed at the bottom of the inclined side plate, and its output end abuts against the strip separation net, the backflushing water subassembly is installed on the water collecting groove, and its output end is towards the strip separation net, the baffle is equipped with two first through -hole, the inclined side plate is installed towards the first through -hole, and the first through -hole is located above and below the strip separation net respectively, and the water collecting groove is communicated with the stone water recovery unit through the first through -hole.

[0007] Preferably, the strip separation net includes a mounting frame and separation strips, the mounting frame is mounted on the inclined side plate and erected above the water collecting groove, and the mounting frame is uniformly distributed with a plurality of separation strips.

[0008] Preferably, the backflushing water subassembly includes a stepped base, a high-pressure nozzle and a high-pressure water pipe, the stepped base is installed in the water collecting groove, the descending direction of the steps of the stepped base is the same as the descending direction of the inclined side plate, the high-pressure water pipe is installed on the stepped base, the high-pressure nozzle is installed at the water outlet end of the high-pressure water pipe, a plurality of high-pressure water pipes are connected with a high-pressure water main, the high-pressure water main is connected with external high-pressure water, and the output end of the high-pressure nozzle is towards the strip separation net.

[0009] Preferably, the carving machine includes a support base, a stone processing platform, a gantry support, a carving device and a flushing assembly, the collection box is installed on the support base, the collection mechanism is installed in the collection box, the stone processing platform is installed on the support base and above the collection box, the gantry support is erected above the stone processing platform and driven to slide along the edge of the stone processing platform through a driving part, the carving device is slidably arranged on the gantry support, and the flushing assembly is installed on the carving device.

[0010] Preferably, a plurality of separation seams are equidistantly arranged on the stone processing platform, and the stone processing platform is communicated with the collection box through the separation seams.

[0011] Preferably, the stone water recovery part comprises a recovery area, a stone water separation plate, a stone recovery drawer and a drain pipe, the stone water separation plate is installed in the recovery area to divide the recovery area into an upper stone recovery area and a lower water storage area, the stone recovery drawer is slidingly arranged in the upper stone recovery area, a second through hole is formed in the stone recovery drawer, the stone recovery drawer communicates with the first through hole through the second through hole, the drain pipe communicates with the lower water storage area and is used for draining sewage in the lower water storage area to outside of the collection box, and a drain electromagnetic valve is further arranged on the drain pipe.

[0012] Preferably, a liquid level sensor is arranged in the lower water storage area, and the liquid level sensor is used to monitor the sewage amount in the lower water storage area in real time.

[0013] Preferably, the flushing assembly comprises a mounting seat, a spraying pipe, a water inlet pipe, a high-pressure nozzle, an air inlet cylinder, a gas conveying pipe and a gas pump, the mounting seat is fixedly installed on the side of the carving equipment, the gas pump is installed on the mounting seat, the spraying pipe is connected with the mounting seat through a connecting support, the high-pressure nozzle is installed at one end of the spraying pipe, the water inlet pipe is connected to the other end of the spraying pipe, the water inlet pipe is connected with an external water supply source, the high-pressure nozzle is aligned with a carving tool of the carving equipment, the air inlet cylinder is sleeved on the periphery of the spraying pipe and is connected with the inside of the spraying pipe through an air inlet pipe, and one end of the gas conveying pipe is connected with the gas pump and the other end of the gas conveying pipe is connected with the air inlet cylinder.

[0014] Preferably, one-way valves are arranged on the gas conveying pipe and the water inlet pipe.

[0015] Compared with the prior art, the automatic special-shaped carving machine has the following beneficial effects:

[0016] The automatic special-shaped carving machine provided by the utility model replaces manual work, the bar-shaped separation net is back-flushed by the back-flushing water assembly, the stones stuck in the bar-shaped separation net are effectively removed, the bar-shaped separation net is prevented from being blocked, and the separated stones and sewage flow into the stone water recovery part for classification and recovery. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment description. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0018] Fig. 1 It is the overall structure schematic view in the utility model.

[0019] Fig. 2 It is the overall structure (not containing the portal frame and the structure on it) explosion view in the utility model.

[0020] Fig. 3 is the sectional view of the overall structure (not including the gantry frame and the structure thereon) in the utility model.

[0021] Main figure mark explanation:

[0022] 100-engraving machine, 110-supporting base, 120-stone processing platform, 121-separation joint, 130-gantry frame, 140-engraving equipment, 150-flushing assembly, 151-mounting seat, 152-spraying pipe, 153-water inlet pipe, 154-high pressure spray head, 155-air inlet cylinder, 156-gas conveying pipe, 157-gas pump, 200-collection box, 300-collection mechanism, 310-separation plate, 311-first through hole, 320-inclined side plate, 321-water collecting tank, 330-strip-shaped separation net, 331-mounting frame, 332-separation strip, 340-vibration motor, 350-backflushing water assembly, 351-stair-shaped base, 352-high pressure nozzle, 360-stone water recovery part, 361-recovery area, 362-stone water separation plate, 363-stone recovery drawer, 364-drainage pipe, 365-upper stone recovery area, 366-lower water storage area, 367-second through hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "top", "bottom", "top surface", "bottom surface", "inner", "outer", "inner side", "outer side" are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated devices or elements must have a particular direction, be constructed and operated in a particular direction, therefore, it cannot be understood as a limitation on the utility model.

[0025] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number. If there is a description of the terms "first", "second", "third", it is only for the purpose of description and for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0026] In the description of the utility model, it needs to be explained that, unless there is explicit provision and limitation, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it 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 ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances. According to the overall structure of the utility model, the embodiments thereof are described below.

[0027] Embodiment

[0028] As Figs. 1 to 3The utility model discloses an automatic special-shaped engraving machine of manual replacement, including engraving machine 100, the engraving machine 100 includes support base 110, stone processing platform 120, gantry support 130, engraving equipment 140 and flush subassembly 150, be equipped with with the collection box 200 of receiving gravel and sewage below stone processing platform 120, be equipped with collection mechanism 300 in collection box 200, collection mechanism 300 includes partition 310, inclined side plate 320, strip separation net 330, vibration motor 340, backflushing water subassembly 350 and stone water recovery unit 360, partition 310 installs in collection box 200 to divide collection box 200 into two collection areas, the inclined side plate 320 is installed in any collection area, stone water recovery unit 360 is installed in another collection area, including two piece respectively installs in the inclined side plate 320 of collection box 200 lateral wall, the water collecting groove 321 is formed between two piece inclined side plate 320, strip separation net 330 is installed on inclined side plate 320 and is erected above water collecting groove 321, vibration motor 340 is installed at the bottom of inclined side plate 320, and its output end abuts against strip separation net 330, backflushing water subassembly 350 is installed on water collecting groove 321, and its output end is towards strip separation net 330, be equipped with two first through -holes 311 on partition 310, first through -hole 311 is located above and below strip separation net 330 respectively, and the first through -hole 311 is communicated with stone water recovery unit 360 through water collecting groove 321.

[0029] Further, the collection box 200 is installed on the support base 110, the collection mechanism 300 is installed in the collection box 200, the stone processing platform 120 is installed on the support base 110 and is located above the collection box 200, the gantry support 130 is erected above the stone processing platform 120, and is driven to slide along the edge of the stone processing platform 120 by the driving part, the engraving equipment 140 is slidably arranged on the gantry support 130, and the flush subassembly 150 is installed on the engraving equipment 140.

[0030] In some preferred embodiments, a plurality of separation joints 121 are equidistantly arranged on the stone processing platform 120, and the stone processing platform 120 is communicated with the collection box 200 through the separation joints 121.

[0031] In some preferred embodiments, the driving part is arranged at opposite ends of the stone processing platform 120, and comprises a first sliding groove, a first screw rod and a first driving motor. The first sliding groove is mounted at opposite ends of the stone processing platform 120, and the first screw rod is rotationally arranged in the first sliding groove. The first driving motor is in transmission connection with the first screw rod. The portal frame 130 is in sliding connection with the first sliding groove and in threaded connection with the first screw rod. The portal frame 130 is in sliding connection with the stone processing platform 120 through the first sliding groove, the first screw rod and the first driving motor. The portal frame 130 is provided with a second sliding groove, a second screw rod and a second driving motor. The second screw rod is rotationally connected in the second sliding groove. The second driving motor is in transmission connection with the second screw rod. The engraving device 140 is in sliding connection with the second sliding groove and in threaded connection with the second screw rod. The flushing assembly 150 is used for flushing the cutting part of the engraving device 140 and flushing the stone fragments generated by the engraving device 140 into the collecting box 200 from the separation gap 121. It should be noted that the engraving device 140 is a conventional prior art. The first driving motor, the second driving motor and the engraving device 140 are all controlled by a PLC. The connection control mode is a conventional prior art. The specific structure of the engraving device 140, the specific connection mode of the first driving motor and the PLC, the specific connection mode of the second driving motor and the PLC, and the specific connection mode of the engraving device 140 and the PLC are not the focus of the present application and do not affect the specific implementation of the present application. Therefore, they will not be described in detail (the above details, principles and structures are prior art, so they will not be described in detail in the drawings).

[0032] It is worth noting that the inclined side plate 320 has a downward trend towards the first through hole 311, and in order to ensure that the stone fragments can be accurately guided to the first through hole 311, a guide block can also be arranged on the inclined side plate 320.

[0033] In some preferred embodiments, the strip-shaped separation net 330 comprises a mounting frame 331 and a separation strip 332. The mounting frame 331 is mounted on the inclined side plate 320 and is arranged above the water collecting groove 321. The mounting frame 331 is uniformly provided with a plurality of separation strips 332.

[0034] In some preferred embodiments, the backflushing water assembly 350 comprises a stepped base 351, a high-pressure nozzle 352 and high-pressure water pipes, the stepped base 351 is installed in the water collecting tank 321, the descending direction of the steps of the stepped base 351 is the same as the descending direction of the inclined side plate 320, the high-pressure water pipes are arranged on the stepped base 351, the high-pressure nozzle 352 is installed at the water outlet end of the high-pressure water pipes, the high-pressure water pipes are connected with a high-pressure water main pipe, the high-pressure water main pipe is connected with external high-pressure water, and the output end of the high-pressure nozzle 352 faces the strip-shaped separation net 330.

[0035] In some preferred embodiments, the stone water recycling part 360 comprises a recycling area 361, a stone water separation plate 362, a stone recycling drawer 363 and a drain pipe 364, the stone water separation plate 362 is installed in the recycling area 361 to divide the recycling area 361 into an upper stone recycling area 365 and a lower water storage area 366, the stone recycling drawer 363 is slidingly arranged in the upper stone recycling area 365, the second through hole 367 is arranged on the stone recycling drawer 363, the stone recycling drawer 363 communicates with the first through hole 311 through the second through hole 367, the drain pipe 364 communicates with the lower water storage area 366 and is used for draining sewage in the lower water storage area 366 to the outside of the collecting box 200, and a drain electromagnetic valve is arranged on the drain pipe 364. It is worth noting that a liquid level sensor is arranged in the lower water storage area 366, and the liquid level sensor is used to monitor the amount of sewage in the lower water storage area 366 in real time. The sewage enters the lower water storage area 366 from the second through hole 367 of the lower water storage area 366 and the first through hole 311 below the separation plate 310, the drain electromagnetic valve is used to control the on-off of the drain pipe 364, the drain electromagnetic valve is electrically connected with the PLC to accept the control of the PLC, and the connection mode of the drain electromagnetic valve and the PLC is a conventional technical means.

[0036] In some preferred embodiments, the flushing assembly 150 comprises a mounting base 151, a spray pipe 152, a water inlet pipe 153, a high-pressure nozzle 154, an air inlet cylinder 155, an air conveying pipe 156 and an air pump 157, the mounting base 151 is fixedly installed on the side of the engraving equipment 140, the air pump 157 is installed on the mounting base 151, the spray pipe 152 is connected with the mounting base 151 through a connecting support, one end of the spray pipe 152 is provided with the high-pressure nozzle 154, the other end of the spray pipe 152 is connected with the water inlet pipe 153, the water inlet pipe 153 is connected with an external water supply source, the high-pressure nozzle 154 is aligned with the cutting tool of the engraving equipment 140, the air inlet cylinder 155 is sleeved on the periphery of the spray pipe 152 and is in communication with the inside of the spray pipe 152 through an air inlet pipe, one end of the air conveying pipe 156 is connected with the air pump 157, and the other end of the air conveying pipe 156 is in communication with the air inlet cylinder 155, and it is worth noting that the outlet end of the air conveying pipe 156 and the water inlet pipe 153 are both provided with a one-way valve, and through the arrangement of the one-way valve, the backflow of gas and water can be effectively avoided when the air pump 157 and the external high-pressure water supply of the water inlet pipe 153 are stopped.

[0037] Specifically, the water inlet pipe 153 is used for receiving high-pressure water from the outside, the air pump 157 pumps gas through the air conveying pipe 156, the air inlet cylinder 155 and the water inlet pipe 153, the gas pumped by the air pump 157 is used to strengthen the pressure of the water sprayed by the flushing assembly 150, the air pump 157 is connected with the PLC to accept the control of the PLC, the connection mode of the air pump 157 and the PLC is a conventional technical means, and the specific connection mode is not the focus of the present application and does not affect the specific implementation of the present application, so it is not described in detail.

[0038] In summary, the automatic special-shaped engraving machine for replacing manual work provided by the present application can effectively remove the gravel stuck in the strip-shaped separation net through the backflushing of the backflushing assembly, prevent the strip-shaped separation net from being blocked, and classify and recycle the separated gravel and sewage in the gravel and sewage recycling part.

[0039] The foregoing description of the specific exemplary embodiments of the present application is for the purpose of illustrating and describing, rather than limiting the application, and it will be apparent to those of ordinary skill in the art that many changes and modifications can be made to the embodiments with the foregoing teaching, notwithstanding what can be suggested above and although only a few of the exemplary embodiments of the present application have been described. Although the embodiments of the present application have been described, the specific embodiments are merely illustrative of the present application and are not intended to limit the present application, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the exemplary embodiments are selected and described for the purpose of explaining the specific principles of the present application and its practical application, so that those skilled in the art can make modifications, replacements, variations and various different selections and changes to the embodiments without creative contribution after reading the specification, as long as they are within the scope of the claims of the present application.

Claims

1. An automatic automatic special-shaped engraving machine instead of manual, characterized in that, The collecting mechanism (300) comprises a partition plate (310), an inclined side plate (320), a strip-shaped separation net (330), a vibration motor (340), a backflushing water assembly (350) and a stone-water recovery part (360). The partition plate (310) is installed in the collecting box (200) to divide the collecting box (200) into two collecting areas. The inclined side plate (320) is installed in any collecting area, and the stone-water recovery part (360) is installed in the other collecting area. The two inclined side plates (320) are respectively installed on the side walls of the collecting box (200), and a water collecting groove (321) is formed between the two inclined side plates (320). The strip-shaped separation net (330) is installed on the inclined side plate (320) and arranged above the water collecting groove (321). The vibration motor (340) is installed at the bottom of the inclined side plate (320), and the output end of the vibration motor (340) abuts against the strip-shaped separation net (330). The backflushing water assembly (350) is installed on the water collecting groove (321), and the output end of the backflushing water assembly (350) faces the strip-shaped separation net (330). Two first through holes (311) are arranged on the partition plate (310). The inclined side plate (320) is installed to be inclined towards the first through hole (311). The first through hole (311) is arranged above and below the strip-shaped separation net (330) respectively. The first through hole (311) is used to communicate the water collecting groove (321) with the stone-water recovery part (360).

2. An automatic automatic irregular engraving machine that replaces manual according to claim 1, characterized in that, The strip-shaped separation net (330) comprises an installation frame (331) and a separation strip (332). The installation frame (331) is installed on the inclined side plate (320) and arranged above the water collecting groove (321). The installation frame (331) is uniformly provided with a plurality of separation strips (332).

3. The automatic automatic irregular engraving machine of claim 1, wherein, The backflushing water assembly (350) comprises a stepped base (351), a high-pressure nozzle (352) and a high-pressure water pipe. The stepped base (351) is installed in the water collecting groove (321). The descending direction of the steps of the stepped base (351) is the same as the descending direction of the inclined side plate (320). The high-pressure water pipe is arranged on the stepped base (351). The high-pressure nozzle (352) is installed at the water outlet end of the high-pressure water pipe. A plurality of high-pressure water pipes are connected with a high-pressure water main pipe. The high-pressure water main pipe is connected with external high-pressure water. The output end of the high-pressure nozzle (352) faces the strip-shaped separation net (330).

4. The automatic automatic irregular engraving machine of claim 1, wherein, The carving machine (100) comprises a support base (110), a stone processing platform (120), a gantry bracket (130), a carving device (140) and a flushing assembly (150), the collecting box (200) is installed on the support base (110), the collecting mechanism (300) is installed in the collecting box (200), the stone processing platform (120) is installed on the support base (110) and above the collecting box (200), the gantry bracket (130) is erected above the stone processing platform (120) and is driven to slide along the edge of the stone processing platform (120) through a driving part, the carving device (140) is slidably arranged on the gantry bracket (130), and the flushing assembly (150) is installed on the carving device (140).

5. An automatic machine for engraving profiles by substitution of manual work according to claim 4, characterized in that, A plurality of separation joints (121) are equidistantly arranged on the stone processing platform (120), and the stone processing platform (120) is communicated with the collecting box (200) through the separation joints (121).

6. An automatic automatic irregular shape engraving machine which replaces manual work according to claim 1, characterized in that, The stone water recovery part (360) comprises a recovery area (361), a stone water separation plate (362), a gravel recovery drawer (363) and a drain pipe (364), the stone water separation plate (362) is installed in the recovery area (361) to divide the recovery area (361) into an upper gravel recovery area (365) and a lower water storage area (366), the gravel recovery drawer (363) is slidably arranged in the upper gravel recovery area (365), a second through hole (367) is formed in the gravel recovery drawer (363), the gravel recovery drawer (363) is communicated with the first through hole (311) through the second through hole (367), the drain pipe (364) is communicated with the lower water storage area (366) and is used for draining sewage in the lower water storage area (366) to outside of the collecting box (200), and a drain electromagnetic valve is further arranged on the drain pipe (364).

7. An automatic automatic irregular shape engraving machine which replaces manual work according to claim 6, characterized in that, A liquid level sensor is arranged in the lower water storage area (366), and the liquid level sensor is used to monitor the amount of sewage in the lower water storage area (366) in real time.

8. An automatic automatic irregular shape engraving machine which replaces manual work according to claim 4, characterized in that, The flushing assembly (150) comprises a mounting base (151), a spray pipe (152), a water inlet pipe (153), a high-pressure nozzle (154), an air inlet cylinder (155), an air conveying pipe (156) and an air pump (157), the mounting base (151) is fixedly installed on the side of the carving device (140), the air pump (157) is installed on the mounting base (151), the spray pipe (152) is connected with the mounting base (151) through a connecting support, one end of the spray pipe (152) is provided with the high-pressure nozzle (154), the other end of the spray pipe (152) is connected with the water inlet pipe (153), the water inlet pipe (153) is connected with an external water supply source, the high-pressure nozzle (154) is aligned with the carving tool of the carving device (140), the air inlet cylinder (155) is sleeved on the periphery of the spray pipe (152) and is communicated with the inside of the spray pipe (152) through an air inlet pipe, one end of the air conveying pipe (156) is connected with the air pump (157) and the other end of the air conveying pipe (156) is communicated with the air inlet cylinder (155).

9. An automatic automatic irregular shape engraving machine which replaces manual work according to claim 8, characterized in that, Unidirectional valves are arranged on the air conveying pipe (156) and the water inlet pipe (153).

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