Ice surface engraving equipment with milling cutter convenient to replace

Abstract

The invention provides ice surface carving equipment with a milling cutter convenient to replace. Relates to the technical field of ice surface carving. A base is installed above the cart, a power supply box is installed on the upper surface of the base, a cutter taking mechanism is installed on the upper surface of the base and located on one side of the power supply box, the cutter taking mechanism comprises a mounting base, a middle plate is installed in the middle of the inner wall of the mounting base, and a cutter taking motor is installed on the side wall of the mounting base through bolts. According to the technical scheme, the carving knife slides so that the rotary knob can be corrected with the knife taking groove, if the rotary knob is not aligned with the knife taking groove in one-time correction, a user can slowly control the knife taking cylinder to rotate, the carving knife is rapidly inserted in the rotating process, and the working efficiency is improved. According to the design, compared with a traditional manual rotating replacement mode, simple proofreading rotation is adopted for guaranteeing separation of the rotary knob and the threaded cylinder, the cutter can be conveniently and rapidly detached, and then proofreading is stable.

Description

Technical Field

[0001] The invention relates to the technical field of ice surface carving, and in particular to an ice surface carving device with convenient replacement of milling cutters. Background Art

[0002] Ice sculpture is a kind of artwork or decoration made of ice through carving, cutting, stacking and other techniques. It is commonly seen in cold areas or winter celebrations. Combined with elements such as lights and colors, it presents a crystal clear and colorful visual effect.

[0003] Ice sculptures are made by using milling cutters of various shapes to perform electric rotary carving on the ice surface to carve out various shapes. A fixed or handheld engraving machine (such as a modified woodworking engraving machine) is used for the carving work. Different types of milling cutters need to be replaced to achieve carving, such as straight-edge milling cutters, ball-end milling cutters, or tapered milling cutters of multiple specifications.

[0004] However, in the prior art, since ice sculptures have different shapes, different types of milling cutters need to be replaced according to different shapes when performing handheld electric carving on the ice surface. The prior art uses a wrench to rotate the milling cutter for cumbersome disassembly and replacement, which is inconvenient for users to quickly replace the milling cutter and can easily affect the carving speed.

[0005] Therefore, it is necessary to provide an ice surface carving device that is convenient for replacing milling cutters to solve the above-mentioned technical problems. Summary of the Invention

[0006] The present invention provides an ice carving device with convenient replacement of milling cutters, which solves the technical problem in the related art that traditional handheld ice carving machines are inconvenient for users to replace milling cutters and easily affect the carving speed.

[0007] In order to solve the above technical problems, the present invention provides an ice carving device that is convenient for replacing a milling cutter, comprising a cart, a mounting assembly and a cutter; A base is installed above the cart, and a power supply box is installed on the upper surface of the base, and a knife-taking mechanism is installed on the upper surface of the base and on one side of the power supply box, and the knife-taking mechanism includes a mounting seat, a middle plate is installed at the middle position of the inner wall of the mounting seat, and a knife-taking motor is installed on the side wall of the mounting seat by bolts, and the output shaft keyway of the knife-taking motor is connected to the second gear, and a limiting plate is fixed on the upper surface of the middle plate, and the inner rotation of the limiting plate is connected to the knife-taking cylinder, and the outer wall of the knife-taking cylinder and the keyway on one side of the limiting plate are connected to the first gear, and an electric cylinder is installed on the inner bottom of the mounting seat; A wire is installed outside the power supply box, and a carving knife is electrically installed at the output end of the wire. The installation component includes a threaded cylinder, a bushing is installed inside the threaded cylinder, a plurality of notches are opened inside the bushing, and a knob is threadedly connected to the outer wall of the threaded cylinder and below the bushing; A knife-taking groove adapted to the knob is opened at the top of the knife-taking cylinder. An auxiliary plate is fixedly provided on the side wall of the carving knife, and an auxiliary rod is fixedly provided on the upper surface of the mounting base and on one side of the knife-taking cylinder.

[0008] Preferably, the axis of the second gear is rotatably connected to the mounting base through a bearing, and the first gear and the second gear are meshed with each other.

[0009] Preferably, the upper output shaft of the electric cylinder penetrates through the axis of the middle plate and extends into the knife-taking cylinder, and the auxiliary plate can slide along the vertical direction of the auxiliary rod.

[0010] Preferably, the bushing is in a tapered structure with a narrow upper part and a wide lower part, and the plurality of notches are equidistantly and annularly distributed about the axis of the bushing. The tool penetrates through the knob and the bushing and is firmly installed with the threaded cylinder.

[0011] Preferably, a driving mechanism is installed below the carving knife. The driving mechanism includes a fixed cylinder integrally provided at the lower end of the carving knife. A driving motor is installed on the inner wall of the fixed cylinder through bolts. The output shaft of the driving motor is keyway-connected with a driving gear. A rotating cylinder is rotatably connected to the bottom of the fixed cylinder. An engagement ring is integrally provided on the inner wall of the rotating cylinder, and a toothed ring is integrally provided on the inner wall of the rotating cylinder; A pull nail is threadedly connected to the top end of the tool. A plug board is slidably connected inside the fixed cylinder and on one side of the driving motor. A fixing plate is fixedly provided on the inner wall of the plug board. A return spring is fixedly provided on the outer wall of the fixing plate and close to one side of the fixed cylinder. A guide wheel is rotatably connected inside the plug board and in the same horizontal direction as the fixing plate; A separating plate is fixedly provided on the top of the mounting base and directly below the guide wheel.

[0012] Preferably, one end of the plug board extends into the pull nail, the driving gear and the toothed ring are meshed with each other, and the engagement ring is rotationally embedded at the bottom of the fixed cylinder.

[0013] Preferably, the bottom of the rotating cylinder is flange-mounted with the top of the threaded cylinder. The auxiliary rod, the knife-taking cylinder and the separating plate are in the same horizontal direction, and the bottom of the separating plate is in an inclined surface structure.

[0014] Preferably, a rotating seat is fixedly provided on the inner wall of the knife-taking cylinder, and the number of the rotating seats is four. Knife clamping plates are rotatably installed inside the four rotating seats through torsion springs; The four rotating seats are evenly distributed in an annular shape at the axis center of the cutter taking cylinder.

[0015] Compared with the related art, the ice surface engraving equipment for conveniently replacing milling cutters provided by the present invention has the following beneficial effects: During the process of taking out the tool in this case, the auxiliary plate can be inserted into the auxiliary rod by holding the engraving tool, and then the engraving tool is slid so that the knob can be aligned with the tool taking groove. If the alignment is not achieved at one time, the user can slowly control the rotational movement of the tool taking cylinder, and quickly insert the engraving tool during the rotation. Compared with the traditional manual rotation and replacement method, such a design uses simple alignment and rotation to ensure the separation of the knob and the threaded cylinder, which can achieve convenient and fast removal of the tool, and secondly, the alignment is stable; Secondly, the design of the conical sleeve, and when rotating, the multiple notches synchronously become smaller so that the sleeve clamps the tool. In this way, the installation structure is simple in shape, and the tool can be clamped by force in all positions around, which can ensure that the tool is more stable during the rotation of cutting the ice surface. At the same time, the uniform force can also well protect the handle part of the tool. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without creative efforts.

[0017] Figure 1 It is the best structural schematic diagram provided by the present invention; Figure 2 It is Figure 1 the structural schematic diagram of the engraving tool shown; Figure 3 It is Figure 2 the enlarged structural schematic diagram of the place A shown; Figure 4 It is Figure 3 the structural schematic diagram of the tool disassembly shown; Figure 5 It is Figure 3 the sectional structural schematic diagram of the driving mechanism shown; Figure 6 It is Figure 3 the structural schematic diagram of the disassembly of the installation component shown; Figure 7 It is Figure 6 the sectional structural schematic diagram of the knob shown; Figure 8 It is Figure 1Schematic structural diagram of the tool picking mechanism shown; Figure 9 is Figure 8 Schematic sectional structure diagram shown; Figure 10 is Figure 9 Enlarged structural diagram at position B shown; Figure 11 is Figure 9 Schematic internal structure diagram of the tool picking cylinder shown; Figure 12 is Figure 11 Enlarged structural diagram at position C shown.

[0018] Explanation of the reference numerals in the attached drawings: 1. Trolley; 2. Base; 3. Power supply box; 4. Wire; 5. Engraving tool; 6. Tool picking mechanism; 61. Mounting seat; 62. Tool picking motor; 63. Middle plate; 64. Limiting plate; 65. Tool picking cylinder; 66. First gear; 67. Second gear; 68. Electric cylinder; 69. Tool picking groove; 610. Rotating seat; 611. Knife clamping plate; 7. Mounting component; 71. Threaded cylinder; 72. Collet; 73. Notch; 74. Knob; 8. Driving mechanism; 81. Fixed cylinder; 82. Driving motor; 83. Driving gear; 84. Rotating cylinder; 85. Tooth ring; 86. Connecting ring; 87. Insertion plate; 88. Fixed plate; 89. Guide wheel; 810. Return spring; 9. Auxiliary plate; 10. Tool; 11. Rivet; 12. Auxiliary rod; 13. Separation plate. Specific implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] The present invention provides an ice surface engraving device that facilitates the replacement of milling cutters.

[0021] First embodiment: Please refer to Figures 1 to 3 , Figures 6 to 10 , an ice surface engraving device that facilitates the replacement of milling cutters, including a trolley 1, a mounting component 7, and a tool 10; Above the trolley 1, a base 2 is installed. On the upper surface of the base 2, a power supply box 3 is installed. On the upper surface of the base 2 and on one side of the power supply box 3, a knife-taking mechanism 6 is installed. The knife-taking mechanism 6 includes a mounting seat 61. In the middle position of the inner wall of the mounting seat 61, a middle plate 63 is installed. On the side wall of the mounting seat 61, a knife-taking motor 62 is installed by bolts. The output shaft of the knife-taking motor 62 is keyed to a second gear 67. On the upper surface of the middle plate 63, a limiting plate 64 is fixedly installed. Inside the limiting plate 64, a knife-taking cylinder 65 is rotatably connected. On the outer wall of the knife-taking cylinder 65 and on one side of the limiting plate 64, a first gear 66 is keyed. At the inner bottom of the mounting seat 61, an electric cylinder 68 is installed; Please refer to Figure 8 and Figure 9 : Starting the knife-taking motor 62 can drive the first gear 67 to engage with the second gear 66 to drive the knife-taking cylinder 65 to rotate inside the limiting plate 64, and at the same time, the knife-taking groove 69 can be driven to rotate synchronously.

[0022] Outside the power supply box 3, a wire 4 is installed. The output end of the wire 4 is electrically installed with a carving knife 5. The installation component 7 includes a threaded cylinder 71. Inside the threaded cylinder 71, a clamping sleeve 72 is installed. Inside the clamping sleeve 72, a plurality of notches 73 are opened. On the outer wall of the threaded cylinder 71 and below the clamping sleeve 72, a knob 74 is threadedly connected; Among them, at the top of the knife-taking cylinder 65, a knife-taking groove 69 adapted to the knob 74 is opened. On the side wall of the carving knife 5, an auxiliary plate 9 is fixedly installed. On the upper surface of the mounting seat 61 and on one side of the knife-taking cylinder 65, an auxiliary rod 12 is fixedly installed.

[0023] Please refer to Figure 6 and Figure 7 : When installing the tool 10, the user needs to first insert the clamping sleeve 72 into the threaded cylinder 71, then insert the top of the tool 10 into the clamping sleeve 72 so that it enters the threaded cylinder 71, and finally insert the knob 74 through the tool 10 to the position where it enters the threaded cylinder 71. Rotate the knob 74. When the knob 74 rotates, it will drive the clamping sleeve 72 to move towards the inside of the threaded cylinder 71. Since the clamping sleeve 72 is conical in structure, when moving, the conical surface of the conical clamping sleeve 72 will become smaller, and during the process of becoming smaller, the width of the plurality of notches 73 can be changed, so as to realize the contraction of the clamping sleeve 72 to clamp and install the tool 10.

[0024] The axis of the second gear 67 is rotationally connected to the mounting seat 61 through a bearing. The first gear 66 and the second gear 67 are meshed with each other.

[0025] The upper output shaft of the electric cylinder 68 penetrates through the center of the middle plate 63 and extends into the inside of the tool holder 65, and the auxiliary plate 9 can slide along the vertical direction of the auxiliary rod 12.

[0026] The shape of the ferrule 72 is a tapered structure that is narrow at the top and wide at the bottom. A plurality of the notches 73 are evenly distributed in an annular shape around the center of the ferrule 72. The tool 10 penetrates through the inside of the knob 74 and the ferrule 72 and is firmly installed with the threaded barrel 71.

[0027] It can be understood that the inside of the knob 74 is not a straight surface design, but an inner stepped surface design, which can ensure that the stepped surface inside can push the ferrule 72 upward when the knob 74 and the threaded barrel 71 rotate.

[0028] Please refer to Figure 9 and Figure 10 : When the user needs to replace the tool 10, the engraving tool 5 needs to be held on the mounting seat 61, and then the auxiliary plate 9 on the outer wall of the engraving tool 5 and the auxiliary rod 12 are aligned. After alignment, the auxiliary plate 9 is inserted onto the auxiliary rod 12, and the knob 74 is slid downward along the vertical direction of the auxiliary rod 12 to make it close to the tool taking groove 69 in the tool holder 65; Finally, when the knob 74 completely enters the tool taking groove 69, the user needs to start the tool taking motor 62 to control the rotation of the tool holder 65. During the rotation process, the knob 74 can be quickly loosened, so that the knob 74 can be separated from the threaded barrel 71, and thus the replacement of the tool 10 can be realized.

[0029] In this embodiment: During the process of taking out the tool 10 in this case, the auxiliary plate 9 can be inserted into the auxiliary rod 12 by holding the engraving tool 5, and then the engraving tool 5 is slid so that the knob 74 can be aligned with the tool taking groove 69. If the alignment is not achieved at one time, the user can slowly control the rotational movement of the tool holder 65 and quickly insert the engraving tool 5 during the rotation process. Compared with the traditional manual rotation replacement method, this design uses simple alignment and rotation to ensure the separation of the knob 74 and the threaded barrel 71, which can achieve convenient and fast removal of the tool 10, and secondly, the alignment is stable; Secondly, the design of the tapered ferrule 72, and when rotating, the multiple notches 73 synchronously become smaller so that the ferrule 72 clamps the tool 10. In this way, the installation structure is simple in shape, and the tool 10 can be clamped by force in all positions around, which can ensure that the tool 10 is more stable during the process of rotating and cutting the ice surface. At the same time, the uniform force can also well protect the handle part of the tool 10.

[0030] Second Embodiment: Please refer to Figures 1 to 10A driving mechanism 8 is installed below the carving knife 5. The driving mechanism 8 includes a fixed cylinder 81 integrated with the lower end of the carving knife 5. A driving motor 82 is installed on the inner wall of the fixed cylinder 81 through bolts. The output shaft keyway of the driving motor 82 is connected to a driving gear 83. The bottom of the fixed cylinder 81 is rotatably connected to a rotating cylinder 84. The inner wall of the rotating cylinder 84 is integrated with a connecting ring 86, and the inner wall of the rotating cylinder 84 is integrated with a gear ring 85. See also Figure 4 : Before installing the tool 10, the rivet 11 and the tool 10 need to be assembled. The assembly only requires inserting the rivet 11 into the top of the tool 10, and then rotating the rivet 11 so that it can be stably installed with the tool 10 thread.

[0031] See also Figure 3 and Figure 5 : When carving, the user needs to start the carving knife 5 to control the rotation of the tool 10. The driving motor 82 can control the rotation of the driving gear 83. The driving gear 83 can engage the control gear ring 85 to drive the rotating cylinder 84 to rotate along the axis of the fixed cylinder 81. When the rotating cylinder 84 rotates, it can control the threaded cylinder 71 to rotate together, thereby realizing the rotation of the tool 10 installed inside the threaded cylinder 71. The user can take the carving knife 5 and electric carve any shape on the ice surface.

[0032] The top end of the tool 10 is threadedly connected to a pull nail 11. An insert plate 87 is slidably connected to the inside of the fixed cylinder 81 and located on one side of the drive motor 82. A fixed plate 88 is fixed to the inner wall of the insert plate 87. A return spring 810 is fixed to the outer wall of the fixed plate 88 and located on the side close to the fixed cylinder 81. A guide wheel 89 is rotatably connected to the inside of the insert plate 87 and located on the same horizontal direction as the fixed plate 88. A separation plate 13 is fixedly provided on the top of the mounting seat 61 and directly below the guide wheel 89 .

[0033] One end of the inserting plate 87 extends to the interior of the pull nail 11 , the driving gear 83 and the gear ring 85 are engaged with each other, and the connecting ring 86 is embedded and rotated about the bottom of the fixing cylinder 81 .

[0034] See also Figure 5 、 Figure 9 and Figure 10 In the first embodiment, when the auxiliary plate 9 is inserted into the auxiliary rod 12, the guide wheel 89 on one side will also follow the movement of the auxiliary plate 9 and enter the separation plate 13. The guide wheel 89 adaptively rolls along the upper inclined track of the separation plate 13, pulling the entire inserting plate 87 to move horizontally outward along the track of the separation plate 13; When the final guide wheel 89 moves to the rightmost side of the separation plate 13, the insertion plate 87 will also move and finally separate from the pull stud 11, ensuring that the tool 10 will not be affected during disassembly.

[0035] In this embodiment: Compared with the traditional design, the pull stud 11 in this design has a unique structure. And when the tool 10 is installed, the insertion plate 87 is inserted into the interior of the pull stud 11. At the same time, when the tool 10 rotates, it will also drive the pull stud 11 to rotate. The pull stud 11 rotates on the insertion plate 87. In this way, once the installation assembly 7 becomes loose, the insertion plate 87 can restrict the pull stud 11, preventing the tool 10 from flying out, avoiding danger, and protecting the engraving personnel well. At the same time, during the process of the first embodiment, the separation plate 13 can drive the insertion plate 87 to move and automatically separate from the pull stud 11, ensuring the stable operation of the tool 10 while also enabling quick disassembly and separation.

[0036] Third embodiment: Please refer to Figure 9 and Figure 12 The bottom of the rotating cylinder 84 is flange-mounted to the top of the threaded cylinder 71. The auxiliary rod 12, the tool-taking cylinder 65, and the separation plate 13 are in the same horizontal direction, and the bottom of the separation plate 13 is of an inclined surface structure.

[0037] A rotating seat 610 is fixedly provided on the inner wall of the tool-taking cylinder 65, and the number of the rotating seats 610 is four. A cutter clamping plate 611 is rotatably installed in each of the four rotating seats 610 through a torsion spring; The four rotating seats 610 are equidistantly and annularly distributed about the axis of the tool-taking cylinder 65.

[0038] Please refer to Figure 9 and Figure 10 During the working processes of the first embodiment and the second embodiment, when the tool 10 is being disassembled, it can directly enter the interior of the tool-taking cylinder 65; Please refer to Figure 11 and Figure 12 When the bottom end of the tool 10 enters the cutter clamping plate 611, when the cutter clamping plate 611 receives the pressure from the upper tool 10 above, the four cutter clamping plates 611 will synchronously flip on the rotating seat 610. Finally, after the tool 10 is disassembled and the user pulls out the engraving tool 5, the four cutter clamping plates 611 will firmly clamp the tool 10 stuck in the tool-taking cylinder 65; Starting the electric cylinder 68 to push upward can separate the entire tool 10 from the tool-taking cylinder 65.

[0039] In this embodiment, during the synchronous operation of the first and second embodiments, the tool 10 will enter the tool removal cylinder 65 along with the insertion of the engraving tool 5, and the four flipping tool clamping plates 611 can adaptively change the flipping angle according to the diameter of the tool 10, thereby stably positioning the disassembled tool 10. Through such a design, the tool 10 can be adaptively positioned after being taken out, which can prevent the tool 10 from falling after losing the force. At the same time, the four tool clamping plates 611 can adaptively flip according to the diameter of the tool 10. Therefore, such a design can also position tools 10 of different diameters.

[0040] Please refer to Figures 1 to 12 The working principle of the ice carving device with convenient replacement of milling cutters provided by the present invention is as follows: Step S1: When carving on the ice surface is required, the user pushes the cart 1 to move the entire device to the location of the ice surface to be carved. Then, the user needs to install the power supply box 3 and the carving knife 5 through the wire 4. The power supply box 3 continuously supplies power to the carving knife 5. The drive motor 82 is started, and the drive motor 82 controls the rotation of the drive gear 83. The drive gear 83 can engage with the control gear ring 85 to drive the rotating cylinder 84 to rotate along the axis of the fixed cylinder 81. When the rotating cylinder 84 rotates, it can control the threaded cylinder 71 to rotate together, thereby realizing the rotation of the tool 10 installed inside the threaded cylinder 71. The user can pick up the carving tool 5 and electrically carve any shape on the ice surface. Step S2: When the tool 10 is to be replaced, the engraving tool 5 needs to be placed on the mounting base 61, and the auxiliary plate 9 and the auxiliary rod 12 on the outer wall of the engraving tool 5 are aligned. After alignment, the auxiliary plate 9 is inserted into the auxiliary rod 12, and the knob 74 is slid downward along the vertical direction of the auxiliary rod 12 to make it close to the tool removal groove 69 in the tool removal cylinder 65; Finally, when the knob 74 is completely inserted into the knife removal groove 69, the user needs to start the knife removal motor 62 to control the rotation of the knife removal cylinder 65. During the rotation, the knob 74 can be quickly loosened to separate the knob 74 from the threaded cylinder 71, thereby realizing the removal and replacement of the knife 10. Step S3: When the auxiliary plate 9 is inserted onto the auxiliary rod 12, the guide wheel 89 on one side will also follow the movement of the auxiliary plate 9 and enter the separation plate 13. The guide wheel 89 adaptively rolls along the upper inclined track of the separation plate 13, pulling the entire inserting plate 87 to move horizontally outward along the track of the separation plate 13; When the guide wheel 89 finally moves to the rightmost side of the separation plate 13, the inserting plate 87 will also move and finally separate from the rivet 11, ensuring that the tool 10 will not be affected during disassembly; Step S4: When the bottom end of the tool 10 enters the tool clamping plate 611, when the tool clamping plate 611 receives the pressure from the upper tool 10, the four tool clamping plates 611 will synchronously flip on the rotating seat 610. Finally, after the disassembly of the tool 10 is completed, when the user pulls out the engraving tool 5, the four tool clamping plates 611 will stably clamp the tool 10 stuck in the tool holder 65; Finally, the user needs to take out the entire engraving tool 5, pull out the tool 10 inside the tool holder 65. When replacing the tool 10, the tool 10 to be replaced needs to be inserted into the tool holder 65 first, and then the operations of the above steps need to be repeated. To ensure that the tool 10 to be replaced can enter the collet 72, the user needs to start the electric cylinder 68 to push the tool 10 to be replaced upward into the collet 72. Then, start the tool holder 65 to rotate the knob 74. When the knob 74 rotates, it will drive the collet 72 to move into the internal thread cylinder 71. Since the collet 72 has a conical structure, when moving, the conical surface of the conical collet 72 will become smaller, and during the process of becoming smaller, the width of the multiple notches 73 can be changed, so as to realize the contraction of the collet 72 to clamp and install the tool 10.

[0041] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the concept of the present invention by using the content of the specification and drawings of the present invention, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. An ice surface engraving device for conveniently replacing a milling cutter, characterized in that, It includes a trolley, a mounting assembly and a tool; A base is installed above the trolley. A power supply box is installed on the upper surface of the base. A tool taking mechanism is installed on the upper surface of the base and on one side of the power supply box. The tool taking mechanism includes a mounting seat. A middle plate is installed at the middle position of the inner wall of the mounting seat. A tool taking motor is installed on the side wall of the mounting seat through bolts. A second gear is keyed to the output shaft of the tool taking motor. A limiting plate is fixedly arranged on the upper surface of the middle plate. A tool taking cylinder is rotatably connected inside the limiting plate. A first gear is keyed to the outer wall of the tool taking cylinder and on one side of the limiting plate. An electric cylinder is installed at the inner bottom of the mounting seat; A wire is installed outside the power supply box. The output end of the wire is electrically installed with a carving tool. The mounting assembly includes a threaded cylinder. A clamping sleeve is installed inside the threaded cylinder. A plurality of notches are opened inside the clamping sleeve. A knob is threadedly connected to the outer wall of the threaded cylinder and below the clamping sleeve; Wherein a tool taking groove adapted to the knob is opened at the top of the tool taking cylinder. An auxiliary plate is fixedly arranged on the side wall of the carving tool. An auxiliary rod is fixedly arranged on the upper surface of the mounting seat and on one side of the tool taking cylinder.

2. The ice surface engraving device for conveniently replacing a milling cutter according to claim 1, wherein, The axis of the second gear is rotatably connected to the mounting seat through a bearing. The first gear and the second gear are meshed with each other.

3. The ice carving device for conveniently replacing a milling cutter according to claim 1, wherein, The upper end output shaft of the electric cylinder penetrates through the axis of the middle plate and extends into the tool taking cylinder. The auxiliary plate can slide along the vertical direction of the auxiliary rod.

4. The ice carving device for conveniently replacing a milling cutter according to claim 1, wherein, The shape of the clamping sleeve is a tapered structure with a narrow upper part and a wide lower part. The plurality of notches are equidistantly and annularly distributed about the axis of the clamping sleeve. The tool penetrates through the knob and the inside of the clamping sleeve and is stably installed with the threaded cylinder.

5. The ice surface engraving device for conveniently replacing a milling cutter according to claim 1, characterized in that, A driving mechanism is installed below the carving tool. The driving mechanism includes a fixed cylinder integrally arranged at the lower end of the carving tool. A driving motor is installed on the inner wall of the fixed cylinder through bolts. A driving gear is keyed to the output shaft of the driving motor. A rotating cylinder is rotatably connected to the bottom of the fixed cylinder. An engagement ring is integrally arranged on the inner wall of the rotating cylinder. A toothed ring is integrally arranged on the inner wall of the rotating cylinder; A pull stud is threadedly connected to the top end of the tool. A plug board is slidably connected inside the fixed cylinder and on one side of the driving motor. A fixing plate is fixedly arranged on the inner wall of the plug board. A return spring is fixedly arranged on the outer wall of the fixing plate and close to one side of the fixed cylinder. A guide wheel is rotatably connected inside the plug board and in the same horizontal direction as the fixing plate; Wherein a separating plate is fixedly arranged at the top of the mounting seat and directly below the guide wheel.

6. The ice surface engraving device for conveniently replacing a milling cutter according to claim 5, characterized in that, One end of the plug board extends into the pull stud. The driving gear and the toothed ring are meshed with each other. The engagement ring is rotatably embedded at the bottom of the fixed cylinder.

7. The ice carving device for conveniently replacing a milling cutter according to claim 5, characterized in that, The bottom of the rotating cylinder is flange-mounted with the top of the threaded cylinder. The auxiliary rod, the tool taking cylinder and the separating plate are in the same horizontal direction, and the bottom of the separating plate is of an inclined surface structure.

8. The ice carving device for conveniently replacing a milling cutter according to claim 5, wherein A rotating seat is fixedly arranged on the inner wall of the tool taking cylinder, and the number of the rotating seats is four. Four knife clamping plates are rotatably installed inside the four rotating seats through torsion springs; The four rotating seats are equidistantly and annularly distributed about the axis of the tool taking cylinder.

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