Ring groove deburring device for automobile piston and control method of ring groove deburring device

Abstract

The invention discloses an annular groove deburring device for an automobile piston and a control method of the annular groove deburring device, and belongs to the technical field of grinding devices.The key points of the technical scheme are that a cutter assembly comprises a mounting rod body used for being mounted and connected with an equipment body; the first cutter is mounted on the mounting rod body and is fixedly connected with the mounting rod body; the second cutter is movably mounted on the mounting rod body and is arranged on one side of the first cutter; the third cutter is movably mounted on the mounting rod body and is arranged on the other side of the first cutter; the control mechanism is used for controlling the second cutter and the third cutter to move in the axis direction of the mounting rod body; wherein the first cutter, the second cutter and the third cutter are all provided with cutter bodies, and telescopic structures are arranged between the cutter bodies of the second cutter and the corresponding cutters and between the cutter bodies of the third cutter and the corresponding cutters. By means of the piston ring groove deburring device, groove openings of three piston ring grooves in the same piston can be deburred, and the machining efficiency is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of grinding devices, and in particular relates to a ring groove deburring device for automobile pistons and a control method thereof. Background Art

[0002] Automobile pistons are key components in automobile engines. Their working principle and structural design have an important impact on the performance and efficiency of the engine. The piston is installed and connected to the piston ring, and the piston ring is installed in the piston ring groove. The piston ring groove on the piston is formed by cutting. During the processing, irregular and tiny burrs will be generated. The burrs will accelerate the wear of the parts during the practical use of the piston, so a deburring process is required after the cutting is completed.

[0003] There are usually multiple piston ring grooves on the automobile piston. The existing technology usually uses a deburring grinding tool to process them one by one, resulting in low processing efficiency. Improvements are made to this problem. Summary of the Invention

[0004] The purpose of this application is to address the above-mentioned technical problems and provide a ring groove deburring device for automobile pistons and a control method thereof, which can deburr the notches of three piston ring grooves on the same piston and improve processing efficiency.

[0005] The present application provides a ring groove deburring device for automobile pistons, comprising a device body and a rotatably driven tool assembly mounted on the device body, wherein the tool assembly comprises: The mounting rod is used for mounting and connecting with the equipment body; A first cutting tool is mounted on the mounting rod and is fixedly connected to the mounting rod; A second cutter is movably mounted on the mounting rod and is placed on one side of the first cutter; a third cutter, movably mounted on the mounting rod and placed on the other side of the first cutter; A control mechanism, used for controlling the second tool and the third tool to move along the axis of the mounting rod; The first tool, the second tool and the third tool are all provided with a tool body, and a telescopic structure is provided between the tool body of the second tool and the third tool and the corresponding tool.

[0006] The first tool is mounted on the mounting rod body by fasteners such as bolts and screws, and the second tool and the third tool are mounted on the mounting rod body. The second tool and the third tool can be controlled to move and adjust along the axial direction of the mounting rod body by a control mechanism. When the processing spacing between the piston ring grooves on the automobile piston is different, the corresponding tool bodies on the first tool, the second tool and the third tool can correspond to the piston ring grooves by adjusting the control mechanism. The movement and adjustment of the tool bodies in the radial direction are controlled by the telescopic mechanism. When the processing depth of the piston ring groove is different, the telescopic structure is used to adjust so that the tool body can deburr the bottom of the piston ring groove. The above structure can improve the adjustability of the tool assembly so that it can adapt to pistons of different sizes. The three piston ring grooves on the piston are deburred at the same time by the tool assembly, thereby improving the deburring processing efficiency.

[0007] Furthermore, the control mechanism includes: A driving motor is installed in the mounting rod; A driving screw rod is installed and connected with the driving motor; There are two driving screw rods and two driving motors respectively corresponding to the second tool and the third tool.

[0008] The driving screw is installed on the output shaft of the driving motor. The driving motor drives the driving screw to rotate. The driving screw is separately connected to the second tool and the third tool. The second tool and the third tool are controlled by the driving motor and the driving screw to realize movement control along the axis of the mounting rod body. The axis of the driving screw and the driving motor is parallel to or the same as the axis of the mounting rod body.

[0009] Furthermore, the second tool and the third tool are both provided with a compensation mechanism, and the compensation mechanism includes: A mounting seat movably connected to the driving screw; A movable seat, connected to the cutter body; A pull rod, mounted and connected to the movable seat and movably connected to the mounting seat; The first electromagnet is respectively placed on the pull rod and the mounting seat and corresponds to each other; An abutting seat, mounted on the movable seat; The abutting portion is disposed on the mounting seat and corresponds to the abutting seat; Wherein, the mounting rod body is provided with a movable groove adapted to the mounting seat.

[0010] The movable seat is sleeved on the mounting rod body and is movably connected with the mounting rod body so that the movable seat can slide along the axis of the mounting rod body, the mounting seat is fixedly connected to the movable seat, the mounting seat passes through the movable groove from the outside of the mounting rod body and is threadedly connected to the driving screw rod in the mounting rod body, so as to realize the control of the movable seat movement, and the pull rod and the movable seat are installed and connected by fasteners such as screws or bolts. The first electromagnet is respectively installed at the corresponding positions of the pull rod and the mounting seat, and the first electromagnet is energized to generate a mutual attraction or repulsion force, so that the movable seat and the mounting seat can move relative to each other for fine adjustment to adapt to piston ring grooves of different widths. When one side of the piston ring groove needs to be moved to the other side after deburring, adaptive compensation is performed. When the movable seat and the mounting seat move relative to each other, the abutment seat and the abutment portion are abutted. When the movable seat and the mounting seat move in opposite directions, the distance between the movable seat and the mounting seat is limited by the pull rod.

[0011] Furthermore, the compensation mechanism also includes: A moving block is mounted on the movable seat, and the moving block is provided with a guide groove; A movable screw rod is movably mounted on the movable seat and is threadedly connected to the movable block; The guide seat is installed on the abutment seat and is adapted to correspond to the guide groove; The first fixing member is installed on the movable seat and abuts against the moving block.

[0012] The movable block is movably mounted on the movable seat, and the movable screw rod is threadedly connected to the movable block. By rotating the movable screw rod, the movable block can be controlled to move in the axial direction of the movable screw rod on the movable seat. The guide seat is adapted to the guide groove, and the movement of the abutment seat can be controlled by the movable block. The movement direction of the abutment seat is parallel to the axis of the mounting rod body. The first fixing part adopts a bolt, etc. The first fixing part is installed on the movable seat. When the movable block is adjusted, the first fixing part is used to abut against the movable block, thereby further improving the structural stability between the movable block and the movable seat.

[0013] Furthermore, the telescopic structure includes: The ring seat is aligned with the axis of the movable seat and is movably connected to the movable seat; A connecting rod connected between the ring seat and the cutter body; An adjusting mechanism is connected between the ring seat and the movable seat; Wherein, the movable seat is provided with a telescopic hole corresponding to the knife body.

[0014] The connecting rod is hinged between the ring seat and the cutter body. The connecting rod and the cutter body are installed separately. The cutter body and its corresponding connecting rod are evenly distributed around the axis of the ring seat. The ring seat is adjusted to move along its axis through the adjustment mechanism, and the expansion and contraction of the cutter body in the telescopic hole is adjusted, thereby improving the convenience of cutter body adjustment, thereby being suitable for processing different depths of piston ring grooves.

[0015] Furthermore, the regulating mechanism includes: The adjusting seat is threadedly connected to the movable seat; A second fixing member is connected between the adjustment seat and the movable seat; Wherein, the ring seat and the adjustment seat are connected via a bearing.

[0016] The adjusting seat is threadedly connected to the movable seat, and the adjusting seat is connected to the ring seat by a bearing. When the ring seat needs to be adjusted, the adjusting seat is rotated to realize the movement of the ring seat along the axis of the adjusting seat. The axes of the adjusting seat and the ring seat are the same as the axis of the tool assembly. The second fixing part adopts a screw, etc. When the adjusting seat completes the adjustment, it is installed on the adjusting seat through the second fixing part and rotated, so that the second fixing part and the movable seat are offset, so that the structural stability between the adjusting seat and the movable seat is achieved.

[0017] Furthermore, the regulating mechanism further includes: The clamping block is installed on the movable seat and placed on one side of the cutter body; The second electromagnets are respectively placed on the clamping block and the movable seat and correspond to each other.

[0018] The second electromagnets are respectively installed on the clamping block and the movable seat and correspond to each other. The movement of the clamping block is controlled by energizing the second electromagnet. When the cutter body is adjusted, the cutter body is clamped by the clamping block to further improve the structural stability of the cutter body. When the cutter body needs to be adjusted, the clamping block is controlled to move away from the cutter body by the second electromagnet.

[0019] The present application also provides a control method for a deburring device for an automobile piston ring groove, the specific steps comprising: S1, determining the distance between the flat surfaces of the piston ring groove on the piston, and adjusting the positions of the second tool and the third tool through the control mechanism; S2, determining the depth of the piston ring groove and adjusting the radial position of the cutter body corresponding to the piston ring groove through the telescopic structure; S3, after the tool assembly is adjusted, the tool assembly is driven to rotate by the equipment body to remove burrs from the notch edges on the same side of all piston ring grooves; S4, after completing the removal of burrs on the edge of the groove on one side of the piston ring groove, the tool assembly and the piston are moved relative to each other to move the tool assembly to the other side of the piston ring groove. According to the different widths of the piston ring groove, the second tool and the third tool are compensated and adjusted through the compensation mechanism.

[0020] Adjustment is performed through a control mechanism and an adjusting mechanism to facilitate adaptation to different spacings and different groove depths between piston ring grooves. For different piston ring groove widths, when one side of the piston ring groove is processed before the other side is processed, the positions of the first tool and the second tool need to be adjusted. Adjustment is performed through a compensation mechanism to ensure simultaneous deburring of the piston ring grooves, thereby improving processing efficiency.

[0021] The beneficial effects of this application are: 1. The control mechanism is used to adjust the corresponding cutter bodies on the first cutter, the second cutter, and the third cutter to correspond to the piston ring groove.

[0022] 2. The movement and adjustment of the cutter body in the radial direction is controlled by the telescopic mechanism. When the depth of the piston ring groove is different, the telescopic structure is used to adjust the cutter body so that the cutter body can deburr the bottom of the piston ring groove.

[0023] 3. When there are piston ring grooves of different widths on the same piston, when one side of the piston ring groove needs to be moved to the other side after deburring, adaptive compensation is performed through the compensation mechanism.

[0024] 4. The second electromagnet is energized to control the movement of the clamping block. When the cutter body is adjusted, the clamping block clamps the cutter body, further improving the structural stability of the cutter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic structural diagram of the tool assembly of this application; Figure 2 This is a schematic cross-sectional view of the tool assembly of the present application; Figure 3 For this application Figure 2 A magnified view of point A; 1, second tool; 2, third tool; 3, fourth tool; 4, fifth tool; 5, sixth tool; 6, seventh tool; 7, eighth tool; 8, eighth tool; 9, ninth tool; 10, ninth tool; 11, ninth tool; 12, eighth tool; 13, eighth tool; 14, eighth tool; 15, eighth tool; 16, eighth tool; 17, eighth tool; 18, eighth tool; 19, eighth tool; 20, eighth tool; 21, eighth tool; 22, eighth tool; 23, eighth tool; 24, eighth tool; 25, eighth tool; 26, eighth tool; 27, eighth tool; 28, eighth tool; 29, eighth tool; 30, eighth tool; 31, eighth tool; 32, eighth tool; 33, eighth tool; 34, eighth tool; 35, eighth tool; 36, eighth tool; 37, eighth tool; 38, eighth tool; 39, eighth tool; 40, eighth tool; 41, eighth tool; 42, eighth tool; 43, eighth tool; 44, eighth tool; 45, eighth tool; 46, eighth tool; 47, eighth tool; 48, eighth tool; 49, eighth tool; 50, DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0027] The terms "first," "second," and the like in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more. In addition, the term "and / or" in the specification and claims refers to at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0028] The following provides a detailed description of the embodiments of the present application through specific embodiments and their application scenarios in conjunction with the accompanying drawings.

[0029] Example 1: like Figure 1-Figure 3 As shown, the embodiment of the present application provides a ring groove deburring device for automobile pistons, including a device body and a rotatably driven tool assembly 001 mounted on the device body, wherein the tool assembly 001 includes: The mounting rod 100 is used for mounting and connecting with the device body; The first cutting tool 200 is mounted on the mounting rod 100 and is fixedly connected to the mounting rod 100; The second cutter 300 is movably mounted on the mounting rod 100 and is placed on one side of the first cutter 200; The third cutter 400 is movably mounted on the mounting rod 100 and is placed on the other side of the first cutter 200; The control mechanism 500 is used to control the second tool 300 and the third tool 400 to move along the axis of the mounting rod 100; The first tool 200 , the second tool 300 , and the third tool 400 are all provided with a tool body 110 , and a telescopic structure 600 is provided between the tool body 110 of the second tool 300 and the third tool 400 and the corresponding tool.

[0030] The first tool 200 is mounted on the mounting rod 100 by fasteners such as bolts and screws, and the second tool 300 and the third tool 400 are mounted on the mounting rod 100. The control mechanism 500 can control the second tool 300 and the third tool 400 to move and adjust along the axial direction of the mounting rod 100. When the processing spacing between the piston ring grooves on the automobile piston is different, the control mechanism 500 is used to adjust the corresponding tool bodies 110 on the first tool 200, the second tool 300, and the third tool 400 to correspond to the piston ring grooves. The telescopic mechanism controls the movement and adjustment of the tool body 110 in the radial direction. When the processing depth of the piston ring groove is different, the telescopic structure 600 is used to adjust so that the tool body 110 can deburr the bottom of the piston ring groove. The above structure can improve the adjustability of the tool assembly 001, so that it can adapt to pistons of different sizes. The tool assembly 001 can simultaneously deburr the three piston ring grooves on the piston, thereby improving the deburring processing efficiency.

[0031] Example 2: like Figure 2 As shown, the embodiment of the present application provides a ring groove deburring device for an automobile piston. In addition to the above technical features, the control mechanism 500 further includes: The driving motor 510 is installed in the mounting rod 100; The driving screw 520 is installed and connected to the driving motor 510; There are two driving screw rods 520 and two driving motors 510 respectively corresponding to the second tool 300 and the third tool 400 .

[0032] The driving screw 520 is installed on the output shaft of the driving motor 510. The driving motor 510 drives the driving screw 520 to rotate. The driving screw 520 is separately connected to the second tool 300 and the third tool 400. The second tool 300 and the third tool 400 are controlled by the driving motor 510 and the driving screw 520 to realize movement control along the axis of the mounting rod body 100. The axis of the driving screw 520 and the driving motor 510 is parallel to or the same as the axis of the mounting rod body 100.

[0033] Example 3: like Figure 2 、 Figure 3 As shown, the embodiment of the present application provides a ring groove deburring device for automobile pistons. In addition to the above technical features, the second tool 300 and the third tool 400 are both provided with a compensation mechanism 700. The compensation mechanism 700 includes: The mounting base 710 is movably connected to the driving screw 520; The movable seat 720 is connected to the blade body 110; The pull rod 730 is mounted and connected to the movable seat 720 and is movably connected to the mounting seat 710; The first electromagnet 740 is respectively placed on the pull rod 730 and the mounting base 710 and corresponds to each other; The abutment seat 750 is mounted on the movable seat 720; The abutting portion 711 is disposed on the mounting seat 710 and corresponds to the abutting seat 750; The mounting rod 100 is provided with a movable groove 101 adapted to the mounting seat 710 .

[0034] The movable seat 720 is sleeved on the mounting rod body 100 and is movably connected to the mounting rod body 100, so that the movable seat 720 can slide along the axis of the mounting rod body 100, and the mounting seat 710 is fixedly connected to the movable seat 720. The mounting seat 710 passes through the movable groove 101 from the outside of the mounting rod body 100 and is threadedly connected to the driving screw 520 in the mounting rod body 100, so as to control the movement of the movable seat 720. The pull rod 730 and the movable seat 720 are installed and connected by fasteners such as screws or bolts. The first electromagnet 740 is respectively installed on the pull rod 730 and the mounting seat 710. At positions corresponding to each other, the first electromagnet 740 is energized to generate a force of mutual attraction or repulsion, so that the movable seat 720 and the mounting seat 710 can move relative to each other for fine adjustment to adapt to piston ring grooves of different widths. When one side of the piston ring groove needs to be moved to the other side after deburring, adaptive compensation is performed. When the movable seat 720 and the mounting seat 710 move relative to each other, the abutment seat 750 abuts against the abutment portion 711. When the movable seat 720 and the mounting seat 710 move in opposite directions, the distance between the movable seat 720 and the mounting seat 710 is limited by the pull rod 730.

[0035] Furthermore, the compensation mechanism 700 further includes: A moving block 760 is mounted on the movable seat 720 , and the moving block 760 is provided with a guide groove 761 ; The movable screw rod 770 is movably mounted on the movable seat 720 and is threadedly connected to the movable block 760; The guide seat 751 is mounted on the abutting seat 750 and is adapted to correspond to the guide groove 761; The first fixing member 780 is mounted on the movable seat 720 and abuts against the moving block 760 .

[0036] The movable block 760 is movably mounted on the movable seat 720, and the movable screw rod 770 is threadedly connected to the movable block 760. By rotating the movable screw rod 770, the movable block 760 can be controlled to move in the axial direction of the movable screw rod 770 on the movable seat 720. The guide seat 751 is adapted to the guide groove 761. The movement of the abutment seat 750 can be controlled by the movable block 760. The moving direction of the abutment seat 750 is parallel to the axis of the mounting rod body 100. The first fixing member 780 adopts a bolt, etc. The first fixing member 780 is installed on the movable seat 720. When the movable block 760 is adjusted, the first fixing member 780 is used to abut against the movable block 760, thereby further improving the structural stability between the movable block 760 and the movable seat 720.

[0037] Example 4: like Figure 2 、 Figure 3 As shown, the embodiment of the present application provides a ring groove deburring device for an automobile piston. In addition to the above technical features, the telescopic structure 600 further includes: The ring seat 610 is aligned with the axis of the movable seat 720 and is movably connected to the movable seat 720; The connecting rod 620 is connected between the ring seat 610 and the blade body 110; The adjustment mechanism 630 is connected between the ring seat 610 and the movable seat 720; The movable seat 720 is provided with a telescopic hole 721 corresponding to the blade body 110 .

[0038] The connecting rod 620 is hinged between the ring seat 610 and the cutter body 110. The connecting rod 620 and the cutter body 110 are installed separately. The cutter body 110 and its corresponding connecting rod 620 are evenly distributed around the axis of the ring seat 610. The ring seat 610 is adjusted to move along its axis through the adjustment mechanism 630, and the expansion and contraction of the cutter body 110 in the expansion hole 721 is adjusted, thereby improving the convenience of adjusting the cutter body 110, thereby being suitable for processing different depths of piston ring grooves.

[0039] Furthermore, the adjustment mechanism 630 includes: The adjusting seat 631 is threadedly connected to the movable seat 720; The second fixing member 632 is connected between the adjustment seat 631 and the movable seat 720; The ring seat 610 and the adjustment seat 631 are connected via a bearing.

[0040] The adjusting seat 631 is threadedly connected to the movable seat 720, and the adjusting seat 631 is connected to the ring seat 610 through a bearing. When the ring seat 610 needs to be adjusted, the adjusting seat 631 is rotated to realize the movement of the ring seat 610 along the axis of the adjusting seat 631. The axis of the adjusting seat 631 and the ring seat 610 is the same as the axis of the tool assembly 001. The second fixing member 632 is made of screws, etc. When the adjusting seat 631 completes the adjustment, it is installed on the adjusting seat 631 through the second fixing member 632 and rotated, so that the second fixing member 632 is offset from the movable seat 720, so that the adjusting seat 631 and the movable seat 720 have structural stability.

[0041] Furthermore, the adjustment mechanism 630 further includes: The clamping block 633 is mounted on the movable seat 720 and is placed on one side of the blade body 110; The second electromagnet 634 is respectively placed on the clamping block 633 and the movable seat 720 and corresponds to each other.

[0042] The second electromagnet 634 is respectively installed on the clamping block 633 and the movable seat 720 and corresponds to each other. The movement of the clamping block 633 is controlled by energizing the second electromagnet 634. When the blade body 110 is adjusted, the clamping block 633 is clamped to further improve the structural stability of the blade body 110. When the blade body 110 needs to be adjusted, the clamping block 633 is controlled by the second electromagnet 634 to move away from the blade body 110.

[0043] Example 5: The present application also provides a control method for a ring groove deburring device for an automobile piston, the specific steps comprising: S1, determining the distance between the flat surfaces of the piston ring groove on the piston, and adjusting the positions of the second tool 300 and the third tool 400 through the control mechanism 500; S2, determining the depth of the piston ring groove and adjusting the radial position of the cutter body 110 corresponding to the piston ring groove by using the telescopic structure 600; S3, after the adjustment of the tool assembly 001 is completed, the tool assembly 001 is driven to rotate by the equipment body to remove the burrs on the notch edges on the same side of all piston ring grooves; S4, after completing the removal of burrs on the edge of the groove on one side of the piston ring groove, the tool assembly 001 is moved relative to the piston to move the tool assembly 001 to the other side of the piston ring groove. According to the different widths of the piston ring groove, the second tool 300 and the third tool 400 are compensated and adjusted through the compensation mechanism 700.

[0044] Adjustment is performed through the control mechanism 500 and the adjustment mechanism 630 to facilitate adaptation to different spacings and different groove depths between the piston ring grooves. For different piston ring groove widths, when one side of the piston ring groove is processed and then the other side is processed, the positions of the first tool 200 and the second tool 300 need to be adjusted, and adjustment is performed through the compensation mechanism 700 to ensure simultaneous deburring of the piston ring grooves and improve processing efficiency.

[0045] It should be noted that, in this article, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0046] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A ring groove deburring device for automobile pistons, comprising a device body and a rotatably driven tool assembly (001) mounted on the device body, characterized in that: The tool assembly (001) comprises: An installation rod (100) for installation and connection with the device body; A first cutting tool (200) is mounted on the mounting rod (100) and is fixedly connected to the mounting rod (100); A second cutter (300) is movably mounted on the mounting rod (100) and is placed on one side of the first cutter (200); A third cutter (400) is movably mounted on the mounting rod (100) and is placed on the other side of the first cutter (200); A control mechanism (500) is used to control the second tool (300) and the third tool (400) to move along the axis of the mounting rod (100); The first tool (200), the second tool (300), and the third tool (400) are all provided with a tool body (110), and a telescopic structure (600) is provided between the tool body (110) of the second tool (300) and the third tool (400) and the corresponding tool.

2. The ring groove deburring device for automobile piston according to claim 1, characterized in that: The control mechanism (500) comprises: A driving motor (510) is installed in the mounting rod (100); A driving screw (520) is mounted and connected to the driving motor (510); There are two drive screws (520) and two drive motors (510), respectively, corresponding to the second tool (300) and the third tool (400).

3. The ring groove deburring device for automobile piston according to claim 2, characterized in that: The second tool (300) and the third tool (400) are both provided with a compensation mechanism (700), and the compensation mechanism (700) comprises: A mounting seat (710) is movably connected to the driving screw (520); A movable seat (720) is mounted and connected to the cutter body (110); A pull rod (730) is mounted and connected to the movable seat (720) and is movably connected to the mounting seat (710); The first electromagnet (740) is respectively placed on the pull rod (730) and the mounting seat (710) and corresponds to each other; An abutting seat (750) is mounted on the movable seat (720); an abutting portion (711) disposed on the mounting seat (710) and corresponding to the abutting seat (750); The mounting rod body (100) is provided with a movable groove (101) adapted to the mounting seat (710).

4. The ring groove deburring device for automobile piston according to claim 3, characterized in that: The compensation mechanism (700) further includes: A moving block (760) is mounted on the movable seat (720), and the moving block (760) is provided with a guide groove (761); A movable screw rod (770) is movably mounted on the movable seat (720) and is threadedly connected to the movable block (760); The guide seat (751) is mounted on the abutment seat (750) and is adapted to correspond to the guide groove (761); The first fixing member (780) is mounted on the movable seat (720) and abuts against the moving block (760).

5. The ring groove deburring device for automobile piston according to claim 1, characterized in that: The telescopic structure (600) comprises: The ring seat (610) is aligned with the axis of the movable seat (720) and is movably connected to the movable seat (720); A connecting rod (620) is connected between the ring seat (610) and the cutter body (110); An adjusting mechanism (630) is connected between the ring seat (610) and the movable seat (720); The movable seat (720) is provided with a telescopic hole (721) corresponding to the blade body (110).

6. The ring groove deburring device for automobile piston according to claim 5, characterized in that: The regulating mechanism (630) comprises: The adjusting seat (631) is threadedly connected to the movable seat (720); A second fixing member (632) is connected between the adjustment seat (631) and the movable seat (720); The ring seat (610) and the adjustment seat (631) are connected via a bearing.

7. The ring groove deburring device for automobile piston according to claim 5, characterized in that: The regulating mechanism (630) further includes: A clamping block (633) is mounted on the movable seat (720) and is placed on one side of the cutter body (110); The second electromagnet (634) is respectively placed on the clamping block (633) and the movable seat (720) and corresponds to each other.

8. A control method for the ring groove deburring device for automobile pistons according to claim 4, characterized in that: The specific steps include: S1, determining the distance between the flat surfaces of the piston ring groove on the piston, and adjusting the positions of the second tool (300) and the third tool (400) through the control mechanism (500); S2, determining the depth of the piston ring groove, and adjusting the radial position of the cutter body (110) corresponding to the piston ring groove by means of the telescopic structure (600); S3, after the adjustment of the tool assembly (001) is completed, the tool assembly (001) is driven to rotate by the device body to remove burrs on the edges of the grooves on the same side of all the piston ring grooves; S4, after the burrs on the notch edge of one side of the piston ring groove are removed, the tool assembly (001) and the piston are moved relative to each other to move the tool assembly (001) to the other side of the piston ring groove. According to the different widths of the piston ring groove, the second tool (300) and the third tool (400) are compensated and adjusted by the compensation mechanism (700).

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