Cutting device of micro-cutting machine and jade micro-cutting machine

Abstract

The utility model relates to the technical field of micro-cutting machines, in particular to a cutting device of a micro-cutting machine and a jade micro-cutting machine, the cutting device comprises a machine base, a wire cylinder wound with a cutting wire and a wire conveying wheel set used for conveying the cutting wire, the wire cylinder and the machine base are assembled in a rotating mode and used for winding and unwinding the cutting wire, the wire conveying wheel set comprises at least four sets of reversing wheels, and the reversing wheels are arranged on the wire cylinder. The four sets of reversing wheels are arranged up and down in pairs, one end of the cutting line is connected with the wire cylinder, the other end of the cutting line is sequentially wound around the outer ring walls of the reversing wheels and then connected with the wire cylinder, and at least two cutting areas are formed. According to the multi-wire cutting device, at least two cutting areas can be formed by one cutting line, when the wire cylinder rotates, multiple objects to be cut can be cut at the same time, the cutting efficiency is improved, the cutting lines in the multi-wire cutting device are driven by the same wire cylinder, and the convenience of equipment operation and the stability of the cutting process are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of micro-cutting machines, in particular to a cutting device of a micro-cutting machine and a jade micro-cutting machine. Background Art

[0002] The micro-cutting machine uses the hardness and wear resistance of the cutting wire to drive the cutting wire into contact with the object to be cut through the rotation of the wire drum, so that the cutting wire scrapes on the surface of the object to be cut, thereby achieving cutting. Since a large amount of heat is generated during the cutting process, it is necessary to spray coolant to reduce the heat during the cutting process to ensure the cutting quality and the service life of the cutting wire;

[0003] Micro-cutter is a high-efficiency, high-precision cutting equipment, widely used in the cutting of hard materials such as stone, glass, silicon wafers, etc., especially in occasions that require high-precision and high-quality cutting, such as jade processing, micro-cutter plays an important role. Most natural jades are irregular in shape or cannot meet the specific jewelry processing needs. Therefore, before jade is used in jewelry processing, it needs to be cut by a micro-cutter to a specific size and shape to form exquisite jewelry or artwork;

[0004] At present, the micro-cutting machine drives the cutting wire to move by a wire drum, and the cutting force generated by the contact between the cutting wire and the object to be cut is used to cut the object to be cut. During the cutting process, a single cutting wire performs the cutting work. With respect to the above-mentioned related technologies, the inventor believes that there are the following defects: when a single cutting wire performs the cutting work, only one cutting wire is in operation, and the processing efficiency is low, which affects the production progress. If multiple cutting wires are required to perform the cutting operation, multiple sets of wire drums are required, which increases the production cost and is not convenient for coordinated control. Utility Model Content

[0005] In order to overcome the shortcomings of single-wire cutting and improve cutting efficiency, the present application provides a cutting device of a micro-cutting machine and a jade micro-cutting machine.

[0006] The utility model provides a cutting device of a micro-cutting machine and a jade micro-cutting machine adopting the following technical solutions:

[0007] In the first aspect, the cutting device of a micro-cutting machine provided by the utility model adopts the following technical solution:

[0008] Preferably, it includes a machine base, a wire reel with a cutting wire wound thereon, and a wire feeding wheel group for transmitting the cutting wire, the wire reel is rotatably assembled with the machine base and is used to reel in and out the cutting wire, the wire feeding wheel group includes at least four groups of reversing wheels, and the four groups of reversing wheels are arranged in pairs up and down, one end of the cutting wire is connected to the wire reel, and the other end of the cutting wire is sequentially wound around the outer ring wall of the reversing wheel and then connected to the wire reel, thereby forming at least two cutting areas.

[0009] Preferably, the wire transmission wheel group also includes an upper guide wheel, which is arranged between the wire reel and the reversing wheel, the upper guide wheel is located above the wire reel, and the upper guide wheel is arranged to be tangential to the wire reel.

[0010] Preferably, the two groups of reversing wheels located above include a first reversing wheel and a fourth reversing wheel. The first reversing wheel is spaced apart from the upper guide wheel. The vertical top wall of the first reversing wheel is circumscribed to the vertical top wall of the upper guide wheel and the tangent is parallel to the table top of the machine base. The fourth reversing wheel is arranged between the first reversing wheel and the upper guide wheel and is located below the tangent.

[0011] Preferably, the two groups of reversing wheels located below include a second reversing wheel, which is located directly below the first reversing wheel and is circumscribed to the first reversing wheel, and the cutting line is wound around the first reversing wheel and the second reversing wheel to form a first cutting area.

[0012] Preferably, the two groups of reversing wheels located below also include a third reversing wheel, the third reversing wheel and the second reversing wheel are on the same horizontal line, the third reversing wheel is located between the fourth reversing wheel and the second reversing wheel, and the third reversing wheel and the fourth reversing wheel are arranged externally, and the cutting line is wound around the third reversing wheel and the fourth reversing wheel to form a second cutting area.

[0013] Preferably, the wire transmission wheel group includes a lower guide wheel and five groups of the reversing wheels, and the fifth reversing wheel and the fourth reversing wheel are on the same horizontal line and are located between the fourth reversing wheel and the upper guide wheel.

[0014] Preferably, it further comprises a receiving member for fixing the object to be cut, the machine base further comprises a movable frame and a base, the movable frame and the base are slidably assembled, the receiving member is assembled on the movable frame, and the receiving member is arranged corresponding to the cutting area.

[0015] Preferably, the movable frame comprises a transverse frame and a longitudinal frame, the transverse frame slides transversely on the longitudinal frame via a transverse screw nut, and the longitudinal frame slides longitudinally on the base via a longitudinal screw nut.

[0016] Preferably, it further comprises a cutting motor for rotating the receiving member, wherein the fixed end of the cutting motor is connected to the transverse frame, and the rotating end of the cutting motor is axially connected to the receiving member.

[0017] In the second aspect, the utility model provides a jade micro-cutting machine adopts the following technical solution:

[0018] A jade micro-cutting machine includes the cutting device of the above-mentioned micro-cutting machine, and also includes a wire tightening device for retracting and releasing the cutting wire, the wire tightening device and the cutting device are arranged at a distance, the cutting wire is wound between the wire tightening device and the cutting device, and the cutting device includes a receiving part for fixing the jade to be cut.

[0019] The beneficial effects of the utility model are:

[0020] By providing an upper guide wheel, a lower guide wheel and five sets of reversing wheels, a set of wire reels and a single cutting line can achieve three cutting operations and process the object to be cut at the same time, thereby improving the cutting efficiency and production progress. Compared with the traditional method in which multiple cutting lines need to be equipped with multiple sets of wire reels, the designed multi-wire cutting device only needs one wire reel to achieve the coordinated work of multiple cutting lines, thereby reducing the equipment cost and operating cost. The cutting lines in the multi-wire cutting device are driven by the same wire reel, thereby improving the convenience of equipment operation and the stability of the cutting process. Furthermore, the multi-wire cutting device can ensure uniform tension and stable operation between multiple sets of cutting lines, thereby improving the cutting quality and precision and ensuring the consistency of cutting processing quality.

[0021] By rotating the carrier and coordinating the movement of the switching line, the cutting efficiency is improved, the rotation speed and direction of the receiving part are controlled, and the accuracy and quality of the cutting process are guaranteed. Secondly, the setting of the disc-shaped receiving part can accommodate multiple objects to be cut at the same time, increasing the processing volume per unit time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a front perspective view in this application;

[0023] Figure 2 is a rear perspective view in this application;

[0024] Figure 3 is the main view in this application;

[0025] Figure 4 It is a rear view of the wire tightening device in the present application;

[0026] Figure 5 It is a sectional view stereogram in this application;

[0027] Figure 6 yes Figure 5 A partial enlarged view of the middle A;

[0028] Figure 7 It is a partial stereogram in this application;

[0029] Figure 8 yes Figure 7 Right view in;

[0030] Fig. 9 yes Figure 7 A top view of the

[0031] Fig.10 It is a schematic diagram of two groups of cutting areas in Example 2 of the present application.

[0032] Description of reference numerals: 1. base; 101. support frame; 1011. sliding screw; 1013. driving wheel; 1014. driven wheel; 1015. belt; 102. base; 103. first cover; 104. transverse frame; 1041. transverse screw; 105. longitudinal frame; 1053. longitudinal screw motor; 106. second cover; 107. third cover; 108. outer cover; 2. wire drum; 201. cutting wire; 202. rotating motor; 301. upper swing arm; 3011. insertion rod; 302. upper pressure wheel; 3021. limit groove; 303. 022, annular protrusion; 303, counterweight; 304, lower swing arm; 305, lower top wheel; 306, tensioning motor; 307, distance sensor; 4, upper wire wheel; 401, upper wire rack; 501, reversing wheel; 5011, first reversing wheel; 5012, second reversing wheel; 5013, third reversing wheel; 5014, fourth reversing wheel; 5015, fifth reversing wheel; 5021, first cutting area; 5022, second cutting area; 5023, third cutting area; 503, upper guide wheel; 504, lower guide wheel; 6, receiving part; 601, cutting motor. DETAILED DESCRIPTION

[0033] This section will describe in detail the specific embodiments of the present application. The preferred embodiments of the present application are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that each technical feature and the overall technical solution of the present application can be understood intuitively and vividly, but it cannot be understood as a limitation on the scope of protection of the present application.

[0034] In the description of this application, if there is a description of orientation, for example, the orientation or position relationship indicated by "upper", "lower", "front", "back", "left", "right", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. When a feature is referred to as "set", "fixed", or "connected" to another feature, it can be directly set, fixed, or connected to the other feature, or it can be indirectly set, fixed, or connected to the other feature.

[0035] In the description of this application, if "several" is involved, it means one or more, if "multiple" is involved, it means more than two, if "greater than", "less than", "exceed", they should be understood as not including the number, if "above", "below", "within" are involved, they should be understood as including the number. If "first" or "second" is involved, it should be understood as being used to distinguish technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0036] In addition, unless otherwise defined, the technical terms and scientific terms used in this application are the same as those generally understood by those skilled in the art. The terms used in this application are only for describing specific embodiments, not for limiting this application. It should be understood that when used in this specification and the appended claims, the terms "include" and "comprise" indicate the presence of described features, wholes, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or their collections.

[0037] Example 1: Figure 1-9 As shown, a wire tightening device of a micro-cutting machine includes a machine base 1, a wire drum 2, and a tensioning assembly. The wire drum 2 is used to wind a cutting wire 201, and the wire drum 2 is rotatably assembled with the machine base 1. The tensioning assembly includes an upper swing arm 301 and an upper pressure wheel 302. One end of the upper swing arm 301 is rotatably assembled with the machine base 1, and the upper pressure wheel 302 is rotatably assembled on the other end of the upper swing arm 301. The upper pressure wheel 302 abuts against the cutting wire 201 and is used to press the cutting wire 201. The cutting wire 201 is a micro-diamond wire. The outer ring wall of the wire drum 2 is wound with multiple turns of the cutting wire 201. The cutting wire 201 is moved back and forth by the forward and reverse rotation of the wire drum 2, thereby realizing the cutting effect. The tensioning method of the cutting line 201 is compressed by the gravity of the pressure wheel 302, and has a simple structure and a good compression effect. When the wire drum 2 rotates forward and reverse to control the cutting line 201 to move back and forth, the cutting line 201 is in a tensioned state, thereby improving the cutting effect. The gravity of the upper pressure wheel 302 is pressed on the top of the cutting line 201, and the structure is simple. When the upper pressure wheel 302 tensions the cutting line 201, the possibility of movement caused by the force of the cutting line 201 is reduced, so that the cutting line 201 remains stable during the cutting process, and the cutting line 201 remains in a stable tensioned state during the cutting process, thereby improving the cutting accuracy and cutting quality.

[0038] In terms of the assembly position of the upper pressing wheel 302, the axis of the upper pressing wheel 302 is arranged parallel to the axis of the wire reel 2, and the upper pressing wheel 302 is located above the wire reel 2, and one end of the upper swing arm 301 rotatably assembled with the machine base 1 is located obliquely above the upper pressing wheel 302, and the upper swing arm 301 and the upper pressing wheel 302 are both located obliquely above the wire reel 2, and the upper pressing wheel 302 swings with the length of the upper swing arm 301 as the radius, thereby achieving the tightness of the cutting line 201.

[0039] In order to improve the pressing stability of the upper pressing wheel 302 on the cutting line 201 and prevent the cutting line 201 from deviating from the upper pressing wheel 302 when the cutting line 201 moves back and forth, a limiting groove 3021 is provided on the outer ring wall of the upper pressing wheel 302, and the cutting line 201 is located in the limiting groove 3021 and moves back and forth. By setting the limiting groove 3021, the limiting groove 3021 limits the cutting line 201 when the cutting line 201 moves back and forth, preventing the cutting line 201 from detaching from the upper pressing wheel 302, thereby ensuring the stability of the pressing effect of the upper pressing wheel 302 on the cutting line 201.

[0040] If the cutting wire 201 is wound at the same axial position of the wire drum 2, the cutting wires 201 will be radially stacked with each other. When the wire drum 2 rotates, the diameter of the cutting wire 201 in each circle is different, so that the pressing stroke of the tensioning component is in a dynamic change process, which is not conducive to the stable cutting of the cutting wire 201. In order to solve the above technical problems and make the pressing stroke of the pressing component stable, the cutting wire 201 needs to be equidistantly wound on the outer ring wall of the wire drum 2 along the axis of the wire drum 2. Therefore, the machine base 1 also includes a support frame 101 and a base 102. The wire drum 2 and the support frame 101 can be rotatably assembled. The support frame 10 1 is assembled with the base 102 in a transverse sliding manner. When the wire drum 2 rotates, the support frame 101 moves transversely, that is, moves along the axial direction of the wire drum 2, so that the cutting wire 201 is equidistantly wound on the axial outer ring wall of the wire drum 2, so that when the wire drum 2 rotates back and forth, the diameter of the cutting wire 201 wound on the wire drum 2 is limited, so that the pressing stroke of the pressing assembly tends to be stable. At the same time, the position of the cutting wire 201 passing through the upper pressing wheel 302 is determined and the same, thereby reducing the axial length of the upper pressing wheel 302 and the axial length of the limiting groove 3021. Preferably, the axial length of the limiting groove 3021 is 1.2 to 1.5 times the outer diameter of the cutting wire 201.

[0041] In terms of the specific structure of the sliding of the support frame 101 and the base 102, the present embodiment also includes a sliding screw 1011 and a sliding block. The sliding block is threadedly connected to the sliding screw 1011, and the support frame 101 is connected to the sliding block. In order to improve the stability of the lateral movement of the support frame 101, a sliding rail slider is provided between the support frame 101 and the base 102. Specifically, the sliding rail is connected to the base 102, one end of the slider is connected to the support frame 101, and the other end of the slider is slidably assembled with the sliding rail.

[0042] In terms of the specific structure for driving the wire reel 2 to rotate, the present embodiment also includes a driving wheel 1013, a driven wheel 1014, a belt 1015, and a rotating motor 202. The rotating motor 202 is assembled on the support frame 101 and is used to rotate the wire reel 2. The driving wheel 1013 is axially connected to the wire reel 2, the driven wheel 1014 is axially connected to the sliding screw 1011, and the belt 1015 is wound between the driving wheel 1013 and the driven wheel 1014 and is used to transmit torque, thereby realizing the linkage control of the rotation of the wire reel 2 and the movement of the wire reel 2, and improving the smoothness of the wire reel 2 in retracting and releasing the cutting line 201.

[0043] In terms of the specific structure for controlling the cutting line 201 to move back and forth when the wire reel 2 rotates, the present embodiment also includes a locking screw for connecting the cutting line 201 to the wire reel 2, and two groups of locking screws are provided. The two groups of locking screws are respectively screwed on the two ends of the axial direction of the wire reel 2, and one end of the cutting line 201 is wound around the outer ring wall of one group of locking screws. By tightening the locking screw, the connection between one end of the cutting line 201 and the wire reel 2 is completed. Then, the wire reel 2 is rotated and the movement of the support frame 101 is coordinated, so that the cutting line 201 is equidistantly wound around the outer ring wall of the axis of the wire reel 2. Similarly, the other end of the cutting line 201 is wound around the outer ring wall of another group of locking screws. By tightening the locking screw, the connection between the other end of the cutting line 201 and the wire reel 2 is completed.

[0044] Since the inner wall of the limiting groove 3021 of the upper pressing wheel 302 abuts against the cutting line 201, the wear speed at the limiting groove 3021 will be faster than the outer ring wall of the upper pressing wheel 302. Therefore, the outer ring wall of the upper pressing wheel 302 has an annular protrusion 3022, and the limiting groove 3021 is located on the annular protrusion 3022. The annular protrusion 3022 can adopt a quenching process to increase the hardness of the annular protrusion 3022, thereby reducing the wear rate and increasing the service life. Local quenching treatment is adopted to reduce the production and manufacturing cost of the upper pressing wheel 302. Alternatively, the annular protrusion 3022 adopts a hard alloy, such as tungsten steel, and is nested in the outer ring wall of the upper pressing wheel 302 to form the annular protrusion 3022. By setting different materials, the degree of wear at the limiting groove 3021 can be reduced.

[0045] In order to further enhance the pressing effect of the upper pressure wheel 302 on the cutting line 201 and ensure that the cutting line 201 is in a tensioned state, the present embodiment also includes a plurality of sets of counterweight blocks 303. The counterweight blocks 303 are detachably assembled with the upper swing arm 301, and the counterweight blocks 303 are arranged close to the upper pressure wheel 302. By providing the counterweight blocks 303, the downward pressure of the upper pressure wheel 302 is increased, thereby enhancing the tensioning effect on the cutting line 201. The counterweight blocks 303 are detachably assembled with the upper swing arm 301, so that the downward pressure can be changed by increasing or decreasing the number of counterweight blocks 303, thereby enhancing the downward pressure of the upper pressure wheel 302.

[0046] In terms of the specific assembly structure of the counterweight block 303 and the upper swing arm 301, the counterweight block 303 is provided with a connecting hole, and the upper swing arm 301 is provided with an insert rod 3011 protruding upward, and the counterweight block 303 can be detachably assembled with the insert rod 3011 through its connecting hole.

[0047] In order to further enhance the tensioning effect of the tensioning assembly on the cutting line 201, the tensioning assembly also includes a lower swing arm 304, a lower top wheel 305, and a tensioning motor 306. The fixed end of the tensioning motor 306 is connected to the machine base 1, one end of the lower swing arm 304 is axially connected to the rotating end of the tensioning motor 306, and the other end of the lower swing arm 304 is rotatably assembled with the lower top wheel 305. The lower top wheel 305 is located below the wire drum 2 and is used to tighten the cutting line 201. The rotation of the tensioning motor 306 drives the lower swing arm 304 to swing toward the lower cutting line 201, thereby The lower top wheel 305 presses the cutting line 201 upward, thereby achieving the tensioning effect of the cutting line 201. When the wire drum 2 rotates to make the cutting line 201 move back and forth, the tensioning assembly tensions the upper and lower ends of the cutting line 201. Since the lower top wheel 305 is driven by the tensioning motor 306, even if the cutting line 201 is located above the lower top wheel 305, the tensioning motor 306 can provide the lower top wheel 305 with a torque to overcome the cutting line 201 and cause the lower fixed wheel to move downward, thereby ensuring the stability of the lower top wheel 305 pressing the cutting line 201.

[0048] In order to improve the linkage effect between the upper pressure wheel 302 and the lower top wheel 305, thereby achieving the tensioning stability of the cutting line 201, the present embodiment further includes a distance sensor 307 and a processor. The distance sensor 307 is assembled on the machine base 1 and is used to detect the swing distance of the upper swing arm 301. The distance sensor 307 is electrically connected to the processor, and the processor is electrically connected to the tensioning motor 306 and is used to output a rotation signal. The distance sensor 307 is an inductive distance sensor. The distance sensor 307 is located on the upper swing arm 3 01, because the upper pressure wheel 302 presses the cutting line 201 by gravity, it is floating compression, and the lower top wheel 305 presses the cutting line 201 by the rotation angle of the tensioning motor 306, and the cutting line 201 is slightly quantitatively compressed. When the cutting line 201 is in a relaxed state, the upper pressure wheel 302 drives the upper swing arm 301 to move downward under the action of gravity. At this time, the distance sensor 307 detects the movement signal of the lower swing arm 304, and inputs the signal to the processor. The processor outputs a rotation signal to the tensioning motor 306, and the tensioning The rotation of the motor 306 drives the lower swing arm 304 to rotate upward, and the lower top wheel 305 presses the cutting line 201 tightly. As the wire drum 2 rotates, the tensioning force of the cutting line 201 is transmitted to the upper pressure wheel 302 to overcome the gravity of the upper pressure wheel 302, so that the upper swing arm 301 is away from the distance sensor, thereby realizing dynamic adjustment of the tensioning degree of the cutting line 201. Through the cooperation of the distance sensor 307 and the processor, real-time monitoring and dynamic adjustment of the tensioning degree of the cutting line 201 can be realized, and the optimal tensioning state of the cutting line 201 is maintained, making the cutting process smoother and improving the cutting efficiency and productivity. Secondly, the linkage effect of the upper pressure wheel 302 and the lower top wheel 305 ensures the uniform tensioning of the cutting line 201 in the upper and lower directions, improves the stability of the cutting process, and the uniform and moderate tensioning force helps to reduce the wear of the cutting line 201 and prolong the service life of the cutting line 201. In addition, the automatic tensioning of the lower top wheel 305 reduces the need for manual adjustment, simplifies the operation process, and reduces the difficulty of operation.

[0049] The cutting line 201 is wound on the upper wire wheel 4. The upper wire wheel 4 and the micro-cutting machine in the prior art are designed as separate bodies. When the cutting line 201 breaks and needs to be replaced with a new cutting line 201, it is necessary to find the upper wire wheel 4 to complete the winding, which is time-consuming and laborious. In order to facilitate the winding of the cutting line 201 from the upper wire wheel 4 to the wire reel 2, the present embodiment also includes an upper wire wheel 4 and an upper wire rack 401. One end of the upper wire rack 401 is rotatably assembled with the machine base 1 and is located on the side of the wire reel 2 away from the tensioning assembly. The upper wire wheel 4 is rotatably assembled at the other end of the upper wire rack 401. The upper wire wheel 4 is integrated with the micro-cutting machine to facilitate the replacement of the cutting line 201 during the micro-cutting machine processing. The integrated design of the upper wire wheel 4 and the machine base 1 saves the time of finding the upper wire wheel 4, quickly completes the replacement of the cutting line 201, reduces the downtime of the equipment, and improves the production efficiency.

[0050] In order to improve the safety of the operation, the present embodiment further includes a first cover body 103 , which is disposed on the outside of the wire drum 2 and the tensioning assembly to reduce the risk of the cutting line 201 breaking and injuring people during movement.

[0051] Example 2: Figure 1-10 As shown, a cutting device of a micro-cutting machine includes a machine base 1, a wire drum 2 with a cutting wire 201 wound thereon, and a wire feeding wheel group for transmitting the cutting wire 201. The wire drum 2 is rotatably assembled with the machine base 1 and is used to retract and release the cutting wire 201. The wire feeding wheel group includes at least four groups of reversing wheels 501, and the four groups of reversing wheels 501 are arranged up and down in pairs. One end of the cutting wire 201 is connected to the wire drum 2, and the other end of the cutting wire 201 is sequentially wound around the outer ring wall of the reversing wheel and then connected to the wire drum 2 to form at least two cutting areas. By arranging multiple groups of reversing wheels 501 and improving the winding method of the cutting wire 201, a cutting wire 201 can form at least two cutting areas, and is driven by the same wire drum 2, so that when the wire drum 2 rotates, at least two objects to be cut can be cut simultaneously, thereby improving the cutting efficiency.

[0052] Through the arrangement of multiple sets of reversing wheels 501, a cutting line 201 can form at least two cutting areas, so as to realize cutting of at least two objects to be cut at the same time, which greatly improves the cutting efficiency and production progress. Secondly, compared with the traditional method in which multiple cutting lines 201 need to be equipped with multiple sets of wire reels 2, the designed multi-wire cutting device only needs one wire reel 2 to realize the coordinated work of multiple cutting lines 201, which reduces the equipment cost and operating cost. The cutting lines 201 in the multi-wire cutting device are driven by the same wire reel 2, which improves the convenience of equipment operation and the stability of the cutting process. Furthermore, the multi-wire cutting device can ensure uniform tension and stable operation between multiple sets of cutting lines 201, improve the cutting quality and accuracy, and ensure the consistency of cutting processing quality.

[0053] In order to improve the stability of the wire transmission wheel assembly in conveying the cutting wire 201, an annular wire groove is provided on the outer ring wall of the wheel body of the wire transmission wheel assembly, and the cutting wire 201 moves back and forth in the annular wire groove.

[0054] In order to improve the smoothness of conveying the cutting line 201 from the wire reel 2 to the reversing wheel 501, the wire delivery wheel group also includes an upper guide wheel 503. The upper guide wheel 503 is arranged between the wire reel 2 and the reversing wheel. The upper guide wheel 503 is located above the wire reel 2, and the upper guide wheel 503 is arranged to be tangential to the wire reel 2. By tangent to the wire reel 2, the smoothness of the cutting line 201 moving back and forth between the wire reel 2 and the upper guide wheel 503 is improved.

[0055] In terms of the specific arrangement structure of the reversing wheel 501 and the upper guide wheel 503, the two groups of reversing wheels 501 located above include a first reversing wheel 5011 and a fourth reversing wheel 5014. The first reversing wheel 5011 and the upper guide wheel 503 are arranged at an interval. The vertical top wall of the first reversing wheel 5011 is arranged circumferentially with the vertical top wall of the upper guide wheel 503 and the tangent is parallel to the table top of the machine base 1. The fourth reversing wheel 5014 is arranged between the first reversing wheel 5011 and the upper guide wheel 503 and is located below the tangent. One end of the cutting line 201 is wound around the upper guide wheel 503 after the wire reel 2, and is wound around the first reversing wheel 5011 after passing the upper guide wheel 503. The fourth reversing wheel 5014 is arranged between the first reversing wheel 5011 and the upper guide wheel 503 and is located below the tangent. It serves to prevent the risk of the cutting lines 201 contacting and interfering with each other when the cutting lines 201 are returned to the wire reel 2.

[0056] Preferably, the outer diameter of the upper guide wheel 503 is equal to the outer diameter of the reversing wheel 501 .

[0057] In terms of the specific arrangement positions of the two sets of reversing wheels 501 located below, the two sets of reversing wheels 501 located below include a second reversing wheel 5012, which is located directly below the first reversing wheel 5011 and is tangentially arranged with the first reversing wheel 5011. The cutting line 201 is wound around the first reversing wheel 5011 and the second reversing wheel 5012 to form a first cutting area 5021. One end of the cutting line 201 is wound around the upper guide wheel 503 after the wire reel 2, and is wound around the first reversing wheel 5011 after passing the upper guide wheel 503. The cutting line 201 passes through the first reversing wheel 5011 and then passes below the second reversing wheel 5012. Since the second reversing wheel 5012 is located directly below the first reversing wheel 5011 and is tangentially arranged with the first reversing wheel 5011, the cutting line 201 in the first cutting area 5021 is perpendicular to the table top of the machine base 1, which is convenient for cutting the object to be cut.

[0058] In terms of the specific arrangement positions of the two sets of reversing wheels 501 located at the bottom, the two sets of reversing wheels 501 located at the bottom further include a third reversing wheel 5013, the axis of the third reversing wheel 5013 and the axis of the second reversing wheel 5012 are on the same horizontal line, the third reversing wheel 5013 is located between the fourth reversing wheel 5014 and the second reversing wheel 5012, and the third reversing wheel 5013 and the fourth reversing wheel 5014 are arranged circumferentially, and the cutting line 201 is arranged around the third reversing wheel 5013 and the fourth reversing wheel 5014. 014 to form a second cutting area 5022. Specifically, when the reversing wheels are projected onto the table of the machine base 1, the first reversing wheel 5011 overlaps with the second reversing wheel 5012, and the third reversing wheel 5013 is located between the fourth reversing wheel 5014 and the second reversing wheel 5012. One end of the cutting line 201 is wound around the upper guide wheel 503 after the wire drum 2, and is wound around the upper guide wheel 503 after passing the first reversing wheel 5011. The cutting line 201 passes through the first reversing wheel 5011 and the second reversing wheel 5013. The cutting line 201 passes under the third reversing wheel 5012, and then passes under the third reversing wheel 5013. After passing through the third reversing wheel 5013, it passes above the fourth reversing wheel 5014. Since the third reversing wheel 5013 and the fourth reversing wheel 5014 are arranged to be circumscribed, the cutting line 201 of the second cutting area 5022 is perpendicular to the table of the machine base 1, that is, the cutting line 201 of the second cutting area 5022 is arranged in parallel with the cutting line 201 of the first cutting area 5021, so that it is convenient to cut two groups of objects to be cut at the same time. Secondly, the axis of the third reversing wheel 5013 and the axis of the second reversing wheel 5012 are on the same horizontal line, which improves the smoothness of the movement of the cutting line 201, thereby improving the cutting efficiency. Furthermore, by adjusting the center distance between the third reversing wheel 5013 and the third reversing wheel 5013, the distance between the cutting line 201 of the first cutting area 5021 and the cutting line 201 of the second cutting area 5022 is adjusted, thereby being compatible with different lengths of objects to be cut.

[0059] In order to further increase the number of cutting areas, thereby improving the cutting efficiency, the wire feeding wheel group includes a lower guide wheel 504 and five sets of reversing wheels 501. The axis of the fifth reversing wheel 5015 is on the same horizontal line as the axis of the fourth reversing wheel 5014 and is located between the fourth reversing wheel 5014 and the upper guide wheel 503. The tangent line between the vertical bottom wall of the lower guide wheel 504 and the vertical bottom wall of the wire drum 2 is parallel to the table of the machine base 1. The lower guide wheel 504 is located below the fifth reversing wheel 5015 and is aligned with the fifth reversing wheel 5 015 is externally tangentially arranged, the cutting line 201 is wound around the fifth reversing wheel 5015 and the lower guide wheel 504 to form a third cutting area 5023, the five groups of reversing wheels are respectively the first reversing wheel 5011, the second reversing wheel 5012, the third reversing wheel 5013, the fourth reversing wheel 5014, and the fifth reversing wheel 5015, one end of the cutting line 201 is wound around the upper guide wheel 503 after the wire drum 2, and then wound around the first reversing wheel 5011 after passing through the upper guide wheel 503, and the cutting line 201 passes through the first After the reversing wheel 5011, it passes under the second reversing wheel 5012, and then passes under the third reversing wheel 5013. After the cutting line 201 passes through the third reversing wheel 5013, it passes over the fourth reversing wheel 5014. After the cutting line 201 passes through the third reversing wheel 5013, it passes over the fifth reversing wheel 5015. After the cutting line 201 passes through the fifth reversing wheel 5015, it passes under the lower guide wheel 504. Since the lower guide wheel 504 and the fifth reversing wheel 5015 are circumscribed, the first The cutting line 201 of the three cutting areas 5023 is perpendicular to the table surface of the machine base 1, that is, the cutting line 201 of the third cutting area 5023 is arranged in parallel with the cutting line 201 of the second cutting area 5022, so as to facilitate the cutting of three groups of objects to be cut at the same time and to facilitate the control of cutting accuracy. Secondly, the tangent line between the vertical bottom wall of the lower guide wheel 504 and the vertical bottom wall of the wire reel 2 is parallel to the table surface of the machine base 1, which improves the smoothness of the movement of the cutting line 201 between the lower guide wheel 504 and the wire reel 2, thereby improving the cutting efficiency.

[0060] Preferably, the outer diameter of the lower guide wheel 504 is equal to the outer diameter of the reversing wheel 501 .

[0061] When the cutting line 201 cuts the object to be cut, a clamp is required to clamp the object to be cut. The present embodiment also includes a receiving part 6 for fixing the object to be cut. The machine base 1 also includes a movable frame and a base 102. The movable frame and the base 102 are slidably assembled. The receiving part 6 is assembled on the movable frame. The receiving part 6 is arranged corresponding to the cutting area. The movable frame slides along the base 102 to move the receiving part 6 back and forth toward the cutting line 201, thereby completing the cutting operation of the object to be cut on the receiving part 6.

[0062] In terms of the specific assembly structure of the mobile frame and the base 102, the mobile frame includes a transverse frame 104 and a longitudinal frame 105. The transverse frame 104 slides transversely on the longitudinal frame 105 through a transverse screw nut, and the longitudinal frame 105 slides longitudinally on the base 102 through a longitudinal screw nut. The transverse and longitudinal movements of the mobile frame can realize the transverse and longitudinal movements of the receiving part 6, thereby completing the cutting feed and cutting depth adjustment of the object to be cut.

[0063] In terms of the specific structure in which the transverse frame 104 slides transversely on the longitudinal frame 105 through the transverse screw nut, it also includes a transverse screw 1041, a transverse nut, and a transverse screw 1041 motor. The transverse screw 1041 is rotatably assembled with the longitudinal frame 105. The transverse screw 1041 motor is assembled on the longitudinal frame 105 for rotating the transverse screw 1041. The transverse nut is threadedly connected to the transverse screw 1041. The transverse frame 104 is connected to the transverse nut. A transverse slide rail slider is also provided between the transverse frame 104 and the longitudinal frame 105.

[0064] In terms of the specific structure in which the longitudinal moving frame 105 slides longitudinally on the base 102 through the longitudinal screw nut, it also includes a longitudinal moving screw, a longitudinal moving nut, and a longitudinal moving screw motor 1053. The longitudinal moving screw is rotatably assembled with the base 102. The longitudinal moving screw motor 1053 is assembled on the base 102 for rotating the longitudinal moving screw. The longitudinal moving nut is threadedly connected to the longitudinal moving screw, the longitudinal moving frame 105 is connected to the longitudinal moving nut, and a longitudinal moving slide rail slider is also arranged between the longitudinal moving frame 105 and the base 102.

[0065] In order to further improve the cutting efficiency, the present embodiment also includes a cutting motor 601 for rotating the receiving member 6. The fixed end of the cutting motor 601 is connected to the transverse frame 104, and the rotating end of the cutting motor 601 is axially connected to the receiving member 6. It is worth mentioning that the receiving member 6 is a disc-shaped setting, and the cutting efficiency is improved by rotating the object to be cut and coordinating the movement of the cutting line 201. Specifically, when three cutting areas are set, three groups of receiving members 6 are set. The receiving member 6 is located on the right side of the cutting line 201, that is, away from the end of the wire tube 2. The rotation direction of the receiving member 6 of the middle group is opposite to the rotation direction of the receiving member 6 of the other two groups.

[0066] The receiving part 6 can rotate quickly and cooperate with the movement of the cutting line 201 to control the rotation speed and direction of the receiving part 6, thereby ensuring the accuracy and cutting quality of the cutting process and improving the cutting efficiency. Secondly, the setting of the disc-shaped receiving part 6 can accommodate multiple objects to be cut at the same time, increasing the processing volume per unit time.

[0067] In order to improve the safety of operation, the present embodiment also includes a second cover body 106, a third cover body 107, and an outer cover 108. The second cover body 106 is arranged on the outer side of the upper guide wheel 503, the fifth reversing wheel 5015, the fourth reversing wheel 5014, and the first reversing wheel 5011. The third cover body 107 is arranged on the outer side of the second reversing wheel 5012, the third reversing wheel 5013, and the lower guide wheel 504. The outer cover 108 is arranged on the outer side of the second cover body 106, the third cover body 107, the receiving part 6, and the cutting motor 601, and the outer cover 108 is located on the transverse frame 104 to reduce the risk of the cutting line 201 breaking and injuring people during movement.

[0068] Example 3: Figure 1-10 As shown, a jade micro-cutting machine includes a wire tightening device of a micro-cutting machine for retracting and releasing a cutting wire 201 in Example 1, and a cutting device of a micro-cutting machine for cutting jade in Example 2, the wire tightening device and the cutting device are arranged at an interval, the cutting wire 201 is wound between the wire tightening device and the cutting device, and the cutting device includes a receiving part 6 for fixing the jade to be cut, and the cutting wire 201 is a micro diamond wire.

[0069] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A cutting device for a micro-cutting machine, characterized in that: It includes a machine base, a wire drum with a cutting wire wound around it, and a wire feeding wheel group for transmitting the cutting wire. The wire drum is rotatably assembled with the machine base and is used to retract and release the cutting wire. The wire feeding wheel group includes at least four groups of reversing wheels, and the four groups of reversing wheels are arranged in pairs up and down. One end of the cutting wire is connected to the wire drum, and the other end of the cutting wire is sequentially wound around the outer ring wall of the reversing wheel and then connected to the wire drum, thereby forming at least two cutting areas.

2. The cutting device of a micro-cutting machine according to claim 1, characterized in that: The wire transmission wheel group also includes an upper guide wheel, which is arranged between the wire drum and the reversing wheel, the upper guide wheel is located above the wire drum, and the upper guide wheel is arranged to be circumscribed with the wire drum.

3. The cutting device of a micro-cutting machine according to claim 2, characterized in that: The two groups of reversing wheels located above include a first reversing wheel and a fourth reversing wheel. The first reversing wheel is spaced apart from the upper guide wheel. The vertical top wall of the first reversing wheel is circumscribed to the vertical top wall of the upper guide wheel and the tangent is parallel to the table top of the machine base. The fourth reversing wheel is arranged between the first reversing wheel and the upper guide wheel and is located below the tangent.

4. The cutting device of a micro-cutting machine according to claim 3, characterized in that: The two groups of reversing wheels located below include a second reversing wheel, which is located directly below the first reversing wheel and is circumscribed to the first reversing wheel. The cutting line is wound around the first reversing wheel and the second reversing wheel to form a first cutting area.

5. The cutting device of a micro-cutting machine according to claim 4, characterized in that: The two groups of reversing wheels located below also include a third reversing wheel, the third reversing wheel and the second reversing wheel are on the same horizontal line, the third reversing wheel is located between the fourth reversing wheel and the second reversing wheel, and the third reversing wheel and the fourth reversing wheel are arranged externally, and the cutting line is wound around the third reversing wheel and the fourth reversing wheel to form a second cutting area.

6. The cutting device of a micro-cutting machine according to claim 3, characterized in that: The wire transmission wheel group includes a lower guide wheel and five groups of reversing wheels. The five groups of reversing wheels include a fourth reversing wheel and a fifth reversing wheel. The fifth reversing wheel is on the same horizontal line as the fourth reversing wheel and is located between the fourth reversing wheel and the upper guide wheel.

7. The cutting device of a micro-cutting machine according to claim 1, characterized in that: It also includes a receiving member for fixing the object to be cut. The machine base also includes a moving frame and a base. The moving frame and the base are slidably assembled. The receiving member is assembled on the moving frame and is arranged corresponding to the cutting area.

8. The cutting device of a micro-cutting machine according to claim 7, characterized in that: The movable frame comprises a transverse frame and a longitudinal frame. The transverse frame slides transversely on the longitudinal frame via a transverse screw nut, and the longitudinal frame slides longitudinally on the base via a longitudinal screw nut.

9. The cutting device of a micro-cutting machine according to claim 8, characterized in that: It also includes a cutting motor for rotating the receiving member, wherein the fixed end of the cutting motor is connected to the transverse moving frame, and the rotating end of the cutting motor is axially connected to the receiving member.

10. A jade micro-cutting machine, characterized in that: A cutting device comprising a micro-cutting machine as described in any one of claims 1 to 9, further comprising a wire tightening device for retracting and releasing a cutting wire, wherein the wire tightening device is spaced apart from the cutting device, the cutting wire is wound between the wire tightening device and the cutting device, and the cutting device comprises a receiving part for fixing the jade to be cut.

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